:root{
      --z-red:#F94834; --z-red-700:#D43523; --z-red-soft:#FFE9E6;
      --z-green:#2E8B6B; --z-green-700:#246B53; --z-green-soft:#EEF7F2;
      --z-petrol:#009999; --z-teal:#005159; --z-navy:#132C36; --z-petrol-soft:#E0F4F4;
      --z-blue:#3267E3; --z-blue-soft:#EAF0FF;
      --z-amber:#FFB547; --z-amber-soft:#FFF3D9;
      --z-steel:#879BAA; --z-steel-2:#B8C2CC; --z-steel-soft:#EEF1F4; --z-steel-deep:#4A5A68;
      --z-paper:#FFFFFF; --z-paper-2:#F7F9FB; --z-paper-3:#ECEFF2;
      --z-ink:#16252E; --z-ink-soft:#5A6B76; --z-line:#DCE3E8;
      --z-font:"Vazirmatn",system-ui,Tahoma,sans-serif;
      --z-mono:"Vazirmatn",ui-monospace,monospace;
      --z-step--1:clamp(.78rem,.74rem + .2vw,.85rem);
      --z-step-0:clamp(.95rem,.9rem + .3vw,1.05rem);
      --z-step-1:clamp(1.12rem,1rem + .65vw,1.45rem);
      --z-step-2:clamp(1.5rem,1.2rem + 1.2vw,2.05rem);
      --z-step-3:clamp(2rem,1.5rem + 2.4vw,3.25rem);
      --z-step-4:clamp(2.5rem,1.7rem + 4vw,4.7rem);
      --z-wrap:1220px; --z-gutter:clamp(1rem,4vw,3rem);
      --z-radius:22px; --z-radius-md:16px; --z-radius-sm:11px;
      --z-shadow:0 24px 55px -32px rgba(22,37,46,.42);
      --z-shadow-strong:0 30px 70px -34px rgba(22,37,46,.55);
    }
    *,*::before,*::after{box-sizing:border-box;}
    html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
    @media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}*,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important;}}
    body{margin:0;font-family:var(--z-font);font-size:var(--z-step-0);line-height:1.82;color:var(--z-ink);background:var(--z-paper);direction:rtl;text-align:right;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
    html[data-lang="en"],html[data-lang="en"] body{direction:ltr;text-align:left;}
    img,svg{max-width:100%;height:auto;display:block;}
    a{color:inherit;text-decoration:none;}
    button,input,textarea,select{font-family:inherit;}
    button{cursor:pointer;}
    h1,h2,h3,h4{line-height:1.24;font-weight:900;margin:0 0 .55em;letter-spacing:-.015em;}
    p{margin:0 0 1em;}
    .lang-en{display:none;}
    html[data-lang="en"] .lang-fa{display:none!important;}
    html[data-lang="en"] .lang-en{display:inline!important;}
    html[data-lang="en"] .lang-en.block{display:block!important;}
    .block{display:block;}
    .z-wrap{max-width:var(--z-wrap);margin-inline:auto;padding-inline:var(--z-gutter);}
    .z-kicker{font-size:var(--z-step--1);letter-spacing:.14em;text-transform:uppercase;font-weight:900;display:inline-flex;align-items:center;gap:.55rem;margin-bottom:1rem;color:var(--z-red);}
    .z-kicker::before{content:"";width:30px;height:2px;background:currentColor;border-radius:999px;display:inline-block;}
    html[data-lang="en"] .z-kicker{letter-spacing:.11em;}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--z-petrol);outline-offset:3px;}
    .z-muted{color:var(--z-ink-soft);}
    .z-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

    /* Header */
    .z-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.82);backdrop-filter:saturate(150%) blur(14px);border-bottom:1px solid rgba(220,227,232,.72);}
    .z-header__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:76px;}
    .z-brand{display:flex;align-items:center;gap:.72rem;font-weight:900;white-space:nowrap;}
    .z-logo-badge{width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--z-red),#FF735E);display:grid;place-items:center;color:#fff;font-weight:900;font-size:1.1rem;box-shadow:0 12px 30px -16px var(--z-red);}
    .z-brand__txt{font-size:1.45rem;letter-spacing:.035em;color:var(--z-ink);font-weight:900;line-height:1;}
    .z-brand__txt b{color:var(--z-red);}
    .z-nav{display:flex;align-items:center;gap:1.15rem;}
    .z-nav a{position:relative;font-size:var(--z-step--1);color:var(--z-ink-soft);font-weight:800;padding:.45rem .1rem;transition:color .2s;}
    .z-nav a::after{content:"";position:absolute;inset:auto 0 0 0;height:2px;border-radius:999px;background:currentColor;transform:scaleX(0);transform-origin:center;transition:transform .22s;}
    .z-nav a:hover{color:var(--z-red);}
    .z-nav a:hover::after{transform:scaleX(1);}
    .z-actions{display:flex;align-items:center;gap:.65rem;}
    .z-lang{display:flex;align-items:center;background:var(--z-paper-2);border:1px solid var(--z-line);border-radius:999px;padding:.25rem;gap:.2rem;}
    .z-lang button{border:none;background:transparent;color:var(--z-ink-soft);font-weight:900;font-size:.78rem;line-height:1;padding:.48rem .62rem;border-radius:999px;transition:background .2s,color .2s;}
    .z-lang button.is-active{background:#fff;color:var(--z-red);box-shadow:0 8px 18px -14px rgba(22,37,46,.5);}
    .z-burger{display:none;background:#fff;border:1px solid var(--z-line);border-radius:var(--z-radius-sm);width:44px;height:44px;color:var(--z-ink);}
    .z-burger span{display:block;width:20px;height:2px;background:var(--z-ink);margin:4px auto;border-radius:999px;}

    .z-btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;padding:.82rem 1.28rem;border-radius:999px;font-weight:900;font-size:var(--z-step--1);border:1px solid transparent;transition:transform .16s,box-shadow .2s,background .2s,border-color .2s,color .2s;white-space:nowrap;}
    .z-btn svg{width:18px;height:18px;flex:none;}
    .z-btn--primary{background:var(--z-red);color:#fff;box-shadow:0 16px 35px -20px rgba(249,72,52,.7);}
    .z-btn--primary:hover{background:var(--z-red-700);transform:translateY(-2px);box-shadow:0 20px 38px -18px rgba(249,72,52,.75);}
    .z-btn--ghost{border-color:var(--z-line);color:var(--z-ink-soft);background:rgba(255,255,255,.88);}
    .z-btn--ghost:hover{border-color:var(--z-petrol);color:var(--z-petrol);transform:translateY(-2px);}
    .z-btn--green{background:var(--z-green);color:#fff;box-shadow:0 16px 35px -20px rgba(46,139,107,.7);}
    .z-btn--green:hover{background:var(--z-green-700);transform:translateY(-2px);}
    .z-btn--petrol{background:var(--z-petrol);color:#fff;box-shadow:0 16px 35px -20px rgba(0,153,153,.7);}
    .z-btn--petrol:hover{background:var(--z-teal);transform:translateY(-2px);}

    /* Hero */
    .z-hero{position:relative;isolation:isolate;overflow:hidden;background:linear-gradient(180deg,#F7FAFC,#fff 72%);}
    .z-hero::before,.z-hero::after{content:"";position:absolute;z-index:-2;border-radius:999px;filter:blur(20px);opacity:.74;animation:z-blob 13s ease-in-out infinite alternate;}
    .z-hero::before{width:440px;height:440px;right:-140px;top:-150px;background:radial-gradient(circle,var(--z-red-soft),transparent 68%);}
    .z-hero::after{width:520px;height:520px;left:-160px;bottom:-220px;background:radial-gradient(circle,var(--z-petrol-soft),transparent 70%);animation-delay:-5s;}
    .z-grid-bg{position:absolute;inset:0;z-index:-1;opacity:.55;background-image:linear-gradient(var(--z-line) 1px,transparent 1px),linear-gradient(90deg,var(--z-line) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(780px 460px at 76% 12%,#000,transparent 76%);}
    html[data-lang="en"] .z-grid-bg{mask-image:radial-gradient(780px 460px at 24% 12%,#000,transparent 76%);}
    .z-slides{position:relative;}
    .z-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .72s ease,transform .72s ease;transform:translateY(12px);padding:clamp(3.4rem,7vw,6.2rem) 0 clamp(3.2rem,6vw,5.5rem);}
    .z-slide.is-active{position:relative;opacity:1;visibility:visible;transform:translateY(0);}
    .z-slide__inner{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:clamp(2rem,5vw,4.4rem);align-items:center;min-height:clamp(480px,64vh,650px);}
    .z-hero h1{font-size:var(--z-step-4);max-width:12ch;color:var(--z-ink);}
    html[data-lang="en"] .z-hero h1{max-width:13ch;}
    .z-hero .z-hl{position:relative;color:var(--z-red);}
    .z-hero .z-hl::after{content:"";position:absolute;right:0;left:0;bottom:.05em;height:.22em;background:currentColor;opacity:.15;border-radius:999px;z-index:-1;}
    .z-slide--ems .z-hl{color:var(--z-petrol);}
    .z-slide--consult .z-hl{color:var(--z-green);}
    .z-slide--quality .z-hl{color:var(--z-blue);}
    .z-slide__lead{font-size:var(--z-step-1);color:var(--z-ink-soft);max-width:52ch;}
    .z-slide__cta{display:flex;gap:.9rem;flex-wrap:wrap;margin-top:1.7rem;}
    .z-hero-pills{display:flex;gap:.55rem;flex-wrap:wrap;margin:1.35rem 0 0;padding:0;list-style:none;}
    .z-hero-pills li{display:flex;align-items:center;gap:.4rem;border:1px solid var(--z-line);background:rgba(255,255,255,.7);border-radius:999px;padding:.42rem .72rem;font-size:var(--z-step--1);font-weight:800;color:var(--z-ink-soft);backdrop-filter:blur(6px);}
    .z-hero-pills svg{width:16px;height:16px;color:var(--z-green);}

    .z-visual{position:relative;min-height:420px;}
    .z-orbit{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;}
    .z-orbit__ring{position:absolute;border:1px dashed rgba(0,153,153,.34);border-radius:50%;animation:z-spin 24s linear infinite;}
    .z-orbit__ring.r1{width:86%;aspect-ratio:1;}
    .z-orbit__ring.r2{width:64%;aspect-ratio:1;animation-direction:reverse;animation-duration:18s;border-color:rgba(249,72,52,.28);}
    .z-orbit__dot{position:absolute;width:12px;height:12px;border-radius:50%;background:var(--z-red);box-shadow:0 0 0 8px rgba(249,72,52,.12);animation:z-float 5s ease-in-out infinite;}
    .z-orbit__dot.d1{right:9%;top:30%;background:var(--z-red);}
    .z-orbit__dot.d2{left:17%;top:20%;background:var(--z-petrol);animation-delay:-1.8s;}
    .z-orbit__dot.d3{left:10%;bottom:24%;background:var(--z-green);animation-delay:-3.2s;}

    .z-dashboard{position:relative;margin-inline:auto;width:min(100%,520px);background:rgba(255,255,255,.84);border:1px solid rgba(220,227,232,.86);border-radius:28px;padding:1.25rem;box-shadow:var(--z-shadow-strong);backdrop-filter:blur(14px);overflow:hidden;}
    .z-dashboard::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent,rgba(255,255,255,.62),transparent);transform:translateX(-120%);animation:z-shine 6s ease-in-out infinite;pointer-events:none;}
    .z-dashboard__head{display:flex;align-items:center;justify-content:space-between;gap:1rem;border-bottom:1px solid var(--z-line);padding-bottom:1rem;margin-bottom:1rem;}
    .z-live{display:inline-flex;align-items:center;gap:.45rem;color:var(--z-green);font-size:var(--z-step--1);font-weight:900;}
    .z-live::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--z-green);animation:z-pulse 2s infinite;}
    .z-mini-tabs{display:flex;gap:.45rem;}
    .z-mini-tabs span{width:9px;height:9px;border-radius:50%;background:var(--z-line);}
    .z-mini-tabs span:nth-child(1){background:var(--z-red);} .z-mini-tabs span:nth-child(2){background:var(--z-amber);} .z-mini-tabs span:nth-child(3){background:var(--z-green);}
    .z-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:.85rem;margin-bottom:1rem;}
    .z-metric{background:linear-gradient(180deg,#fff,var(--z-paper-2));border:1px solid var(--z-line);border-radius:18px;padding:.9rem 1rem;position:relative;overflow:hidden;}
    .z-metric::after{content:"";position:absolute;right:-16px;bottom:-22px;width:74px;height:74px;border-radius:50%;background:currentColor;opacity:.07;}
    .z-metric__label{font-size:var(--z-step--1);color:var(--z-ink-soft);font-weight:800;}
    .z-metric__value{font-family:var(--z-mono);font-size:var(--z-step-2);font-weight:900;color:var(--z-ink);font-variant-numeric:tabular-nums;line-height:1.25;}
    .z-metric__value small{font-size:.5em;color:var(--z-ink-soft);font-weight:800;margin-inline:.15rem;}
    .z-metric--red{color:var(--z-red);} .z-metric--red .z-metric__value{color:var(--z-red);}
    .z-metric--green{color:var(--z-green);} .z-metric--green .z-metric__value{color:var(--z-green);}
    .z-metric--petrol{color:var(--z-petrol);} .z-metric--petrol .z-metric__value{color:var(--z-petrol);}
    .z-metric--blue{color:var(--z-blue);} .z-metric--blue .z-metric__value{color:var(--z-blue);}
    .z-chart{height:112px;display:flex;align-items:flex-end;gap:.48rem;padding:1rem;border-radius:18px;background:linear-gradient(180deg,var(--z-paper-2),#fff);border:1px solid var(--z-line);}
    .z-chart span{flex:1;border-radius:9px 9px 3px 3px;background:linear-gradient(180deg,var(--z-petrol),var(--z-teal));min-height:16px;animation:z-grow 1.4s ease both;transform-origin:bottom;}
    .z-chart span:nth-child(2n){background:linear-gradient(180deg,var(--z-red),var(--z-red-700));animation-delay:.08s;}
    .z-chart span:nth-child(3n){background:linear-gradient(180deg,var(--z-green),var(--z-green-700));animation-delay:.14s;}

    .z-system-map{position:relative;margin-inline:auto;width:min(100%,530px);min-height:405px;}
    .z-node{position:absolute;background:#fff;border:1px solid var(--z-line);border-radius:20px;padding:1rem;box-shadow:var(--z-shadow);display:flex;align-items:center;gap:.78rem;transition:transform .22s,box-shadow .22s;}
    .z-node:hover{transform:translateY(-5px);box-shadow:var(--z-shadow-strong);}
    .z-node svg{width:31px;height:31px;color:var(--z-petrol);flex:none;}
    .z-node b{display:block;font-size:.92rem;line-height:1.35;}
    .z-node small{display:block;color:var(--z-ink-soft);font-weight:800;font-size:.74rem;}
    .z-node.n1{top:10px;right:6%;}.z-node.n2{top:118px;left:4%;}.z-node.n3{right:18%;bottom:26px;}.z-node.n4{left:18%;bottom:112px;}
    html[data-lang="en"] .z-node.n1{right:auto;left:6%;}html[data-lang="en"] .z-node.n2{left:auto;right:4%;}html[data-lang="en"] .z-node.n3{right:auto;left:18%;}html[data-lang="en"] .z-node.n4{left:auto;right:18%;}
    .z-map-core{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);width:155px;height:155px;border-radius:32px;background:linear-gradient(145deg,var(--z-navy),var(--z-teal));color:#fff;display:grid;place-items:center;text-align:center;padding:1rem;box-shadow:0 26px 58px -28px rgba(0,81,89,.8);}
    html[data-lang="fa"] .z-map-core{transform:translate(-50%,-50%);} 
    .z-map-core::before,.z-map-core::after{content:"";position:absolute;inset:-18px;border:1px solid rgba(0,153,153,.25);border-radius:40px;animation:z-ping 3s ease-out infinite;}
    .z-map-core::after{animation-delay:1.2s;}
    .z-map-core b{font-size:1.28rem;line-height:1.2;}
    .z-map-svg{position:absolute;inset:0;width:100%;height:100%;z-index:-1;}
    .z-map-svg path{stroke-dasharray:9 9;animation:z-dash 16s linear infinite;}

    .z-slider__nav{position:absolute;bottom:clamp(1rem,3vw,2rem);right:var(--z-gutter);z-index:7;display:flex;gap:.45rem;align-items:center;}
    html[data-lang="en"] .z-slider__nav{right:auto;left:var(--z-gutter);}
    .z-dot{width:30px;height:5px;border-radius:999px;border:none;background:var(--z-steel-2);transition:background .25s,width .25s;padding:0;}
    .z-dot.is-active{background:var(--z-red);width:50px;}
    .z-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:6;width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--z-line);display:grid;place-items:center;color:var(--z-ink);box-shadow:0 14px 26px -18px rgba(22,37,46,.5);transition:transform .15s,color .2s;}
    .z-arrow:hover{color:var(--z-red);transform:translateY(-50%) scale(1.07);}
    .z-arrow svg{width:20px;height:20px;}
    .z-arrow--prev{left:var(--z-gutter);} .z-arrow--next{right:var(--z-gutter);}
    html[data-lang="en"] .z-arrow--prev{left:auto;right:var(--z-gutter);} html[data-lang="en"] .z-arrow--next{right:auto;left:var(--z-gutter);}

    /* Sections */
    .z-section{position:relative;padding:clamp(3.8rem,7vw,6.6rem) 0;overflow:hidden;}
    .z-section--paper{background:var(--z-paper-2);}
    .z-section--steel{background:linear-gradient(180deg,var(--z-steel-soft),#fff);}
    .z-section--green{background:linear-gradient(180deg,var(--z-green-soft),#fff);}
    .z-section--dark{background:linear-gradient(135deg,var(--z-navy),#081C22);color:#fff;}
    .z-section--dark .z-muted,.z-section--dark .z-section__head p{color:#B7D1D3;}
    .z-section__head{max-width:66ch;margin-bottom:2.4rem;}
    .z-section__head.center{margin-inline:auto;text-align:center;}
    .z-section__head.center .z-kicker{justify-content:center;}
    .z-section__head h2{font-size:var(--z-step-3);color:inherit;}
    .z-section__head p{color:var(--z-ink-soft);font-size:var(--z-step-1);}

    .z-bento{display:grid;grid-template-columns:repeat(12,1fr);gap:1rem;}
    .z-card{position:relative;overflow:hidden;border-radius:var(--z-radius);border:1px solid var(--z-line);background:#fff;padding:1.5rem;box-shadow:0 16px 38px -32px rgba(22,37,46,.38);transition:transform .25s,box-shadow .25s,border-color .25s;}
    .z-card:hover{transform:translateY(-7px);box-shadow:var(--z-shadow);border-color:rgba(0,153,153,.38);}
    .z-card--span4{grid-column:span 4;} .z-card--span6{grid-column:span 6;} .z-card--span8{grid-column:span 8;} .z-card--span12{grid-column:span 12;}
    .z-card::before{content:attr(data-no);position:absolute;top:.85rem;left:1rem;font-family:var(--z-mono);font-size:var(--z-step--1);color:var(--z-steel-2);font-weight:900;}
    html[data-lang="en"] .z-card::before{left:auto;right:1rem;}
    .z-card__icon{width:58px;height:58px;border-radius:17px;display:grid;place-items:center;margin-bottom:1rem;background:var(--z-red-soft);color:var(--z-red);transition:transform .22s;}
    .z-card:hover .z-card__icon{transform:rotate(-5deg) scale(1.06);}
    html[data-lang="en"] .z-card:hover .z-card__icon{transform:rotate(5deg) scale(1.06);}
    .z-card__icon svg{width:29px;height:29px;}
    .z-card h3{font-size:var(--z-step-1);color:var(--z-ink);}
    .z-card p{color:var(--z-ink-soft);margin-bottom:0;}
    .z-card__tag{display:inline-flex;align-items:center;gap:.35rem;font-size:var(--z-step--1);font-weight:900;padding:.25rem .65rem;border-radius:999px;margin-bottom:.8rem;background:var(--z-red-soft);color:var(--z-red-700);}
    .z-card--heat{background:linear-gradient(180deg,#fff,var(--z-steel-soft));}.z-card--heat .z-card__icon{background:var(--z-red-soft);color:var(--z-red);}
    .z-card--ems{border-top:3px solid var(--z-petrol);}.z-card--ems .z-card__icon{background:var(--z-petrol-soft);color:var(--z-petrol);}.z-card--ems .z-card__tag{background:var(--z-petrol-soft);color:var(--z-teal);}
    .z-card--consult{border-top:3px solid var(--z-green);}.z-card--consult .z-card__icon{background:var(--z-green-soft);color:var(--z-green);}.z-card--consult .z-card__tag{background:var(--z-green-soft);color:var(--z-green-700);}
    .z-card--blue{border-top:3px solid var(--z-blue);}.z-card--blue .z-card__icon{background:var(--z-blue-soft);color:var(--z-blue);}.z-card--blue .z-card__tag{background:var(--z-blue-soft);color:var(--z-blue);}

    .z-strip{background:var(--z-teal);color:#fff;position:relative;overflow:hidden;}
    .z-strip::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.08),transparent);animation:z-shine 8s linear infinite;}
    .z-strip__inner{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;padding:clamp(1.65rem,3vw,2.35rem) 0;text-align:center;}
    .z-strip__item b{display:block;font-family:var(--z-mono);font-size:var(--z-step-3);font-weight:900;line-height:1;}
    .z-strip__item span{font-size:var(--z-step--1);color:#BCDCDC;font-weight:800;}
    .z-strip__item:not(:last-child){border-left:1px solid rgba(255,255,255,.18);}
    html[data-lang="en"] .z-strip__item:not(:last-child){border-left:none;border-right:1px solid rgba(255,255,255,.18);}

    .z-ems-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(1.6rem,4vw,3rem);align-items:center;}
    .z-screen{background:#fff;border:1px solid var(--z-line);border-radius:28px;padding:1.15rem;box-shadow:var(--z-shadow-strong);position:relative;overflow:hidden;}
    .z-screen__top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--z-line);padding-bottom:.9rem;margin-bottom:1rem;}
    .z-screen__grid{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;}
    .z-screen__tile{background:var(--z-paper-2);border:1px solid var(--z-line);border-radius:18px;padding:1rem;}
    .z-screen__tile.wide{grid-column:1/-1;}
    .z-gauge{width:132px;height:132px;margin:1rem auto;border-radius:50%;background:conic-gradient(var(--z-petrol) 0 72%,var(--z-line) 72% 100%);display:grid;place-items:center;animation:z-gauge 2s ease both;}
    .z-gauge::after{content:"72%";width:92px;height:92px;border-radius:50%;background:#fff;display:grid;place-items:center;font-weight:900;font-family:var(--z-mono);color:var(--z-teal);font-size:1.6rem;}
    .z-alert{display:flex;align-items:center;justify-content:space-between;gap:1rem;border:1px solid rgba(249,72,52,.18);background:var(--z-red-soft);border-radius:15px;padding:.8rem 1rem;color:var(--z-red-700);font-weight:900;}

    .z-consult-wrap{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(1.7rem,4vw,3.2rem);align-items:start;}
    .z-timeline{position:relative;display:grid;gap:1rem;}
    .z-timeline::before{content:"";position:absolute;top:2rem;bottom:2rem;right:1.4rem;width:2px;background:linear-gradient(var(--z-green),var(--z-petrol));}
    html[data-lang="en"] .z-timeline::before{right:auto;left:1.4rem;}
    .z-timeline__item{position:relative;background:#fff;border:1px solid var(--z-line);border-radius:18px;padding:1.05rem 4rem 1.05rem 1.1rem;box-shadow:0 18px 40px -34px rgba(22,37,46,.35);}
    html[data-lang="en"] .z-timeline__item{padding:1.05rem 1.1rem 1.05rem 4rem;}
    .z-timeline__item::before{content:"";position:absolute;top:1.15rem;right:1rem;width:18px;height:18px;border-radius:50%;background:var(--z-green);box-shadow:0 0 0 8px rgba(46,139,107,.12);}
    html[data-lang="en"] .z-timeline__item::before{right:auto;left:1rem;}
    .z-timeline__item:nth-child(2)::before{background:var(--z-petrol);}.z-timeline__item:nth-child(3)::before{background:var(--z-red);}.z-timeline__item:nth-child(4)::before{background:var(--z-blue);}
    .z-timeline__item h3{font-size:1rem;margin-bottom:.25rem;}.z-timeline__item p{font-size:.92rem;color:var(--z-ink-soft);margin:0;}

    .z-solutions{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;}
    .z-solution{position:relative;min-height:250px;border-radius:var(--z-radius);padding:1.35rem;border:1px solid rgba(255,255,255,.15);background:linear-gradient(145deg,rgba(255,255,255,.13),rgba(255,255,255,.04));box-shadow:0 16px 42px -35px rgba(0,0,0,.65);overflow:hidden;transition:transform .25s,border-color .25s;}
    .z-solution:hover{transform:translateY(-8px);border-color:rgba(255,255,255,.38);}
    .z-solution::before{content:"";position:absolute;inset:auto -18% -28% auto;width:160px;height:160px;border-radius:50%;background:rgba(255,255,255,.12);}
    .z-solution svg{width:42px;height:42px;color:#fff;margin-bottom:1rem;opacity:.9;}
    .z-solution h3{color:#fff;font-size:var(--z-step-1);}.z-solution p{color:#B7D1D3;margin:0;font-size:.94rem;}

    .z-process{display:grid;grid-template-columns:repeat(4,1fr);gap:1.05rem;counter-reset:step;}
    .z-step{position:relative;background:#fff;border:1px solid var(--z-line);border-radius:var(--z-radius);padding:1.5rem;overflow:hidden;}
    .z-step::after{content:"";position:absolute;inset:auto -30px -40px auto;width:120px;height:120px;border-radius:50%;background:var(--z-red-soft);opacity:.7;}
    .z-step:nth-child(2)::after{background:var(--z-petrol-soft);}.z-step:nth-child(3)::after{background:var(--z-green-soft);}.z-step:nth-child(4)::after{background:var(--z-blue-soft);}
    .z-step__no{counter-increment:step;font-family:var(--z-mono);font-size:2rem;font-weight:900;color:var(--z-red);line-height:1;position:relative;z-index:1;}
    .z-step__no::before{content:"۰" counter(step,decimal);}
    html[data-lang="en"] .z-step__no::before{content:"0" counter(step,decimal);}
    .z-step:nth-child(2) .z-step__no{color:var(--z-petrol);}.z-step:nth-child(3) .z-step__no{color:var(--z-green);}.z-step:nth-child(4) .z-step__no{color:var(--z-blue);}
    .z-step h3{position:relative;z-index:1;font-size:var(--z-step-1);margin-top:.65rem;}.z-step p{position:relative;z-index:1;color:var(--z-ink-soft);margin-bottom:0;}

    .z-about{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center;}
    .z-energy-illustration{border:1px solid var(--z-line);border-radius:var(--z-radius);overflow:hidden;background:#fff;box-shadow:var(--z-shadow);}
    .z-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.8rem;}
    .z-stat{border-top:3px solid var(--z-green);padding-top:.7rem;}
    .z-stat:nth-child(2){border-top-color:var(--z-red);}.z-stat:nth-child(3){border-top-color:var(--z-petrol);}
    .z-stat b{display:block;font-family:var(--z-mono);font-size:var(--z-step-2);color:var(--z-ink);font-weight:900;line-height:1.25;}.z-stat span{font-size:var(--z-step--1);color:var(--z-ink-soft);font-weight:800;}

    .z-contact{display:grid;grid-template-columns:1.04fr .96fr;gap:clamp(2rem,5vw,4rem);}
    .z-form{display:grid;gap:1rem;}
    .z-form__grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;}
    .z-field label{display:block;font-size:var(--z-step--1);color:var(--z-ink-soft);margin-bottom:.38rem;font-weight:900;}
    .z-field input,.z-field textarea,.z-field select{width:100%;padding:.9rem 1rem;border-radius:var(--z-radius-sm);background:var(--z-paper-2);border:1px solid var(--z-line);color:var(--z-ink);font-family:inherit;font-size:var(--z-step-0);}
    .z-field input:focus,.z-field textarea:focus,.z-field select:focus{border-color:var(--z-petrol);outline:none;background:#fff;}
    .z-contact-card{background:#fff;border:1px solid var(--z-line);border-radius:var(--z-radius);padding:1.5rem;box-shadow:var(--z-shadow);}
    .z-info-row{display:flex;gap:.9rem;align-items:flex-start;padding:1rem 0;border-bottom:1px solid var(--z-line);}
    .z-info-row:last-child{border-bottom:none;}
    .z-info-row svg{width:22px;height:22px;color:var(--z-red);flex:none;margin-top:.2rem;}
    .z-info-row b{display:block;color:var(--z-ink);}.z-info-row span{color:var(--z-ink-soft);}

    .z-footer{background:var(--z-teal);color:#CFE6E6;padding:3.2rem 0 1.6rem;}
    .z-footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2rem;margin-bottom:2rem;}
    .z-footer h4{color:#fff;font-size:var(--z-step-0);margin-bottom:1rem;}.z-footer a,.z-footer p{color:#BCDCDC;font-size:var(--z-step-0);}.z-footer a:hover{color:#fff;}.z-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.6rem;}.z-footer .z-brand__txt{color:#fff;}
    .z-footer__bottom{border-top:1px solid rgba(255,255,255,.18);padding-top:1.4rem;color:#9FC6C6;font-size:var(--z-step--1);display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;}

    .reveal{opacity:0;transform:translateY(28px);transition:opacity .72s ease,transform .72s ease;}
    .reveal.is-visible{opacity:1;transform:translateY(0);}

    @keyframes z-blob{0%{transform:translate3d(0,0,0) scale(1);}100%{transform:translate3d(32px,24px,0) scale(1.12);}}
    @keyframes z-spin{to{transform:rotate(360deg);}}
    @keyframes z-float{0%,100%{transform:translateY(0);}50%{transform:translateY(-16px);}}
    @keyframes z-pulse{0%{box-shadow:0 0 0 0 rgba(46,139,107,.5);}70%{box-shadow:0 0 0 10px rgba(46,139,107,0);}100%{box-shadow:0 0 0 0 rgba(46,139,107,0);}}
    @keyframes z-shine{0%{transform:translateX(-120%);}55%,100%{transform:translateX(120%);}}
    @keyframes z-grow{from{transform:scaleY(.08);opacity:.35;}to{transform:scaleY(1);opacity:1;}}
    @keyframes z-ping{0%{opacity:.8;transform:scale(.9);}100%{opacity:0;transform:scale(1.28);}}
    @keyframes z-dash{to{stroke-dashoffset:-260;}}
    @keyframes z-gauge{from{background:conic-gradient(var(--z-petrol) 0 0%,var(--z-line) 0 100%);}to{background:conic-gradient(var(--z-petrol) 0 72%,var(--z-line) 72% 100%);}}

    @media (max-width:1060px){
      .z-nav{gap:.75rem;}.z-actions .z-btn{display:none;}.z-slide__inner,.z-ems-layout,.z-consult-wrap,.z-about,.z-contact{grid-template-columns:1fr;}.z-visual{min-height:360px;}.z-card--span4,.z-card--span6,.z-card--span8{grid-column:span 6;}.z-solutions,.z-process{grid-template-columns:1fr 1fr;}.z-footer__grid{grid-template-columns:1fr 1fr;}.z-arrow{display:none;}
    }
    @media (max-width:760px){
      .z-nav{position:fixed;inset:76px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--z-line);padding:1rem var(--z-gutter);transform:translateY(-125%);transition:transform .25s;box-shadow:0 20px 38px -26px rgba(22,37,46,.35);}
      .z-nav.is-open{transform:translateY(0);} .z-nav a{padding:.75rem 0;border-bottom:1px solid var(--z-line);} .z-burger{display:block;}.z-lang{order:-1;}.z-slide__inner{min-height:auto}.z-metrics,.z-screen__grid,.z-form__grid{grid-template-columns:1fr}.z-card--span4,.z-card--span6,.z-card--span8,.z-card--span12{grid-column:1/-1}.z-strip__inner,.z-solutions,.z-process,.z-stats{grid-template-columns:1fr 1fr}.z-strip__item:nth-child(2){border-left:none;}html[data-lang="en"] .z-strip__item:nth-child(2){border-right:none}.z-system-map{min-height:470px}.z-node{position:relative;inset:auto!important;margin:.65rem 0}.z-map-core{position:relative;inset:auto;transform:none!important;margin:1rem auto}.z-map-svg{display:none}.z-footer__grid{grid-template-columns:1fr}.z-slider__nav{position:relative;right:auto!important;left:auto!important;bottom:auto;justify-content:center;padding-bottom:1.3rem;}
    }
    @media (max-width:520px){.z-strip__inner,.z-solutions,.z-process,.z-stats{grid-template-columns:1fr}.z-brand__txt{font-size:1.25rem}.z-header__inner{gap:.5rem}.z-lang button{padding:.42rem .48rem}.z-hero h1{font-size:clamp(2.25rem,13vw,3.5rem)}}
  

    /* Savings impact */
    .z-impact{display:grid;grid-template-columns:1.05fr .95fr;gap:1.5rem;align-items:stretch;}
    .z-impact__panel{background:#fff;border:1px solid var(--z-line);border-radius:28px;padding:1.5rem;box-shadow:var(--z-shadow);position:relative;overflow:hidden;}
    .z-impact__panel::before{content:"";position:absolute;inset:auto -60px -60px auto;width:220px;height:220px;background:radial-gradient(circle,var(--z-petrol-soft),transparent 70%);opacity:.85;pointer-events:none;}
    .z-impact__hero{display:grid;grid-template-columns:330px 1fr;gap:1.4rem;align-items:center;}
    .z-impact__ringwrap{position:relative;display:grid;place-items:center;min-height:320px;}
    .z-impact__ring{width:min(100%,280px);aspect-ratio:1;border-radius:50%;background:conic-gradient(var(--z-green) 0 38%, var(--z-petrol) 38% 61%, var(--z-amber) 61% 78%, #E4EBF0 78% 100%);padding:18px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.35),0 22px 50px -30px rgba(22,37,46,.45);animation:zSpinSlow 14s linear infinite;}
    .z-impact__ring::before{content:"";display:block;width:100%;height:100%;border-radius:50%;background:radial-gradient(circle at 50% 35%,#fff,#F9FBFC 62%,#EEF4F6 100%);box-shadow:inset 0 0 0 1px var(--z-line);}
    .z-impact__center{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);text-align:center;width:180px;display:grid;gap:.35rem;justify-items:center;}
    .z-impact__center .z-metric__value{font-size:clamp(2.8rem,5vw,4rem);line-height:1;font-weight:900;color:var(--z-green);}
    .z-impact__center span{font-size:var(--z-step--1);color:var(--z-ink-soft);max-width:14ch;}
    .z-impact__badge{position:absolute;display:grid;gap:.2rem;background:#fff;border:1px solid var(--z-line);box-shadow:0 14px 30px -20px rgba(22,37,46,.35);border-radius:16px;padding:.7rem .85rem;min-width:120px;animation:zfloating 4.6s ease-in-out infinite;}
    .z-impact__badge small{font-size:var(--z-step--1);color:var(--z-ink-soft);}
    .z-impact__badge strong{font-size:1.05rem;color:var(--z-ink);font-weight:800;}
    .z-impact__badge--1{top:18px;right:10px;animation-delay:.2s;}
    .z-impact__badge--2{bottom:38px;right:0;animation-delay:1s;}
    .z-impact__badge--3{bottom:56px;left:8px;animation-delay:1.8s;}
    html[data-lang="en"] .z-impact__badge--1{right:auto;left:10px;}
    html[data-lang="en"] .z-impact__badge--2{right:auto;left:0;}
    html[data-lang="en"] .z-impact__badge--3{left:auto;right:8px;}
    .z-impact__copy p{margin-bottom:1.15rem;}
    .z-impact__legend{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;margin-top:1.1rem;}
    .z-impact__legend div{background:var(--z-paper-2);border:1px solid var(--z-line);border-radius:16px;padding:.9rem 1rem;}
    .z-impact__legend b{display:block;font-size:var(--z-step--1);color:var(--z-ink-soft);margin-bottom:.35rem;}
    .z-impact__legend span{font-weight:800;color:var(--z-ink);}
    .z-impact__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-top:1rem;}
    .z-impact__card{background:linear-gradient(180deg,#fff,var(--z-paper-2));border:1px solid var(--z-line);border-radius:22px;padding:1.15rem;position:relative;overflow:hidden;}
    .z-impact__card::after{content:"";position:absolute;inset:auto auto -28px -28px;width:110px;height:110px;background:radial-gradient(circle,var(--z-red-soft),transparent 68%);opacity:.8;}
    .z-impact__card strong{display:block;font-size:var(--z-step--1);color:var(--z-ink-soft);margin-bottom:.35rem;position:relative;z-index:1;}
    .z-impact__card .z-metric__value{font-size:clamp(1.7rem,2vw,2.25rem);font-weight:900;color:var(--z-red);line-height:1.05;position:relative;z-index:1;}
    .z-impact__card p{margin:.5rem 0 0;position:relative;z-index:1;color:var(--z-ink-soft);font-size:var(--z-step--1);}
    .z-impact__flow{margin-top:1rem;background:linear-gradient(135deg,var(--z-navy),#0B2028);color:#D5EBEA;border-radius:28px;padding:1.35rem;position:relative;overflow:hidden;}
    .z-impact__flow::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 18% 22%,rgba(255,255,255,.08),transparent 28%),radial-gradient(circle at 82% 76%,rgba(255,255,255,.06),transparent 22%);pointer-events:none;}
    .z-impact__flowhead{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1.1rem;position:relative;z-index:1;}
    .z-impact__flowhead h3{margin:0;color:#fff;font-size:var(--z-step-1);}
    .z-impact__flowhead p{margin:0;color:#A9CCCC;font-size:var(--z-step--1);max-width:38ch;}
    .z-impact__nodes{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;position:relative;z-index:1;}
    .z-impact__node{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(6px);border-radius:22px;padding:1rem;position:relative;overflow:hidden;}
    .z-impact__node strong{display:block;color:#fff;font-size:var(--z-step-0);margin-bottom:.35rem;}
    .z-impact__node p{color:#BCD6D7;margin:0;font-size:var(--z-step--1);}
    .z-impact__node .z-barrow{display:flex;align-items:flex-end;gap:.35rem;height:74px;margin-top:.9rem;}
    .z-impact__node .z-barrow span{flex:1;border-radius:8px 8px 0 0;background:linear-gradient(180deg,#9FE4DF,var(--z-petrol));opacity:.95;animation:zBars 3.5s ease-in-out infinite;transform-origin:bottom;}
    .z-impact__node .z-barrow span:nth-child(2){animation-delay:.2s}
    .z-impact__node .z-barrow span:nth-child(3){animation-delay:.4s}
    .z-impact__node .z-barrow span:nth-child(4){animation-delay:.6s}
    .z-impact__node .z-barrow span:nth-child(5){animation-delay:.8s}
    .z-impact__arrowline{position:absolute;top:50%;left:calc(33.33% - .4rem);right:calc(33.33% - .4rem);height:2px;background:linear-gradient(90deg,transparent,#56E1D6 10%,#56E1D6 90%,transparent);z-index:0;opacity:.65;}
    .z-impact__arrowline::before,.z-impact__arrowline::after{content:"";position:absolute;top:50%;width:14px;height:14px;border-top:2px solid #56E1D6;border-right:2px solid #56E1D6;transform:translateY(-50%) rotate(45deg);animation:zPulseMove 1.9s ease-in-out infinite;}
    .z-impact__arrowline::before{left:31%;}
    .z-impact__arrowline::after{right:31%;animation-delay:.5s;}
    @keyframes zSpinSlow{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
    @keyframes zfloating{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
    @keyframes zBars{0%,100%{transform:scaleY(.88)}50%{transform:scaleY(1.02)}}
    @keyframes zPulseMove{0%,100%{opacity:.4}50%{opacity:1}}
    @media (max-width:980px){
      .z-impact,.z-impact__hero{grid-template-columns:1fr;}
      .z-impact__legend,.z-impact__nodes{grid-template-columns:1fr;}
      .z-impact__grid{grid-template-columns:1fr 1fr;}
      .z-impact__arrowline{display:none;}
      .z-impact__ringwrap{min-height:280px;}
    }
    @media (max-width:680px){
      .z-impact__grid{grid-template-columns:1fr;}
      .z-impact__legend{grid-template-columns:1fr;}
      .z-impact__center{width:155px;}
      .z-impact__badge{min-width:104px;padding:.65rem .75rem;}
    }



    /* Impact section v6: remove left dark pathway box and let the savings dashboard fill the whole area */
    #impact .z-impact{
      display:block;
    }
    #impact .z-impact__panel{
      width:100%;
      padding:clamp(1.4rem,3vw,2.4rem);
    }
    #impact .z-impact__hero{
      grid-template-columns:minmax(360px,.9fr) minmax(420px,1.1fr);
      gap:clamp(1.8rem,4vw,3.4rem);
      align-items:center;
    }
    #impact .z-impact__ringwrap{
      min-height:390px;
    }
    #impact .z-impact__ring{
      width:min(100%,360px);
    }
    #impact .z-impact__center{
      width:220px;
    }
    #impact .z-impact__center .z-metric__value{
      font-size:clamp(3.4rem,6vw,5.3rem);
    }
    #impact .z-impact__copy p{
      font-size:var(--z-step-1);
      line-height:1.95;
      max-width:58ch;
    }
    #impact .z-impact__legend{
      grid-template-columns:repeat(3,1fr);
      gap:1rem;
    }
    #impact .z-impact__grid{
      grid-template-columns:repeat(4,1fr);
      gap:1rem;
      margin-top:1.35rem;
    }
    #impact .z-impact__card{
      min-height:190px;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    #impact .z-impact__card .z-metric__value{
      font-size:clamp(2rem,2.4vw,2.7rem);
    }
    #impact .z-impact__badge--1{top:16px;right:8px;}
    #impact .z-impact__badge--2{bottom:28px;right:18px;}
    #impact .z-impact__badge--3{bottom:70px;left:0;}
    html[data-lang="en"] #impact .z-impact__badge--1{right:auto;left:8px;}
    html[data-lang="en"] #impact .z-impact__badge--2{right:auto;left:18px;}
    html[data-lang="en"] #impact .z-impact__badge--3{left:auto;right:0;}
    @media (max-width:1100px){
      #impact .z-impact__hero{grid-template-columns:1fr;}
      #impact .z-impact__ringwrap{min-height:340px;}
      #impact .z-impact__grid{grid-template-columns:repeat(2,1fr);}
    }
    @media (max-width:680px){
      #impact .z-impact__legend,
      #impact .z-impact__grid{grid-template-columns:1fr;}
      #impact .z-impact__ring{width:min(100%,280px);}
      #impact .z-impact__center{width:165px;}
      #impact .z-impact__center .z-metric__value{font-size:3.2rem;}
    }



    /* GREE-inspired heat-pump product slideshow — original Zista visuals */
    .z-section--heatShow{
      background:
        radial-gradient(900px 520px at 92% 12%,rgba(0,153,153,.14),transparent 62%),
        radial-gradient(780px 480px at 8% 100%,rgba(249,72,52,.10),transparent 60%),
        linear-gradient(180deg,#F7FAFB,#FFFFFF);
    }
    .z-heatShow{
      background:#fff;
      border:1px solid var(--z-line);
      border-radius:34px;
      overflow:hidden;
      box-shadow:var(--z-shadow-strong);
      position:relative;
    }
    .z-heatShow__tabs{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:0;
      background:#fff;
      border-bottom:1px solid var(--z-line);
    }
    .z-heatShow__tabs button{
      border:0;
      background:#fff;
      color:var(--z-ink-soft);
      font-weight:900;
      padding:1rem .9rem;
      position:relative;
      transition:color .2s,background .2s;
    }
    .z-heatShow__tabs button::after{
      content:"";
      position:absolute;
      inset:auto 20% -1px 20%;
      height:4px;
      border-radius:999px 999px 0 0;
      background:transparent;
      transition:background .2s, inset .2s;
    }
    .z-heatShow__tabs button.is-active{
      color:var(--z-petrol);
      background:linear-gradient(180deg,#fff,var(--z-petrol-soft));
    }
    .z-heatShow__tabs button.is-active::after{
      background:var(--z-petrol);
      inset:auto 12% -1px 12%;
    }
    .z-heatShow__stage{
      position:relative;
      overflow:hidden;
      min-height:590px;
      background:
        linear-gradient(115deg,rgba(255,255,255,.96) 0 38%,rgba(224,244,244,.72) 38% 64%,rgba(255,233,230,.52) 64% 100%),
        radial-gradient(740px 420px at 88% 10%,#fff,transparent 66%);
    }
    .z-heatProduct{
      position:absolute;
      inset:0;
      display:grid;
      grid-template-columns:minmax(380px,.95fr) minmax(460px,1.05fr);
      gap:clamp(1.8rem,4vw,3.5rem);
      align-items:center;
      padding:clamp(2rem,4.5vw,4.5rem);
      opacity:0;
      pointer-events:none;
      transform:translateX(34px) scale(.985);
      transition:opacity .55s ease, transform .55s ease;
    }
    html[data-lang="en"] .z-heatProduct{transform:translateX(-34px) scale(.985);}
    .z-heatProduct.is-active{
      position:relative;
      opacity:1;
      pointer-events:auto;
      transform:translateX(0) scale(1);
    }
    .z-heatProduct__label{
      display:inline-flex;
      align-items:center;
      gap:.5rem;
      color:var(--z-petrol);
      font-weight:900;
      font-size:var(--z-step--1);
      letter-spacing:.1em;
      text-transform:uppercase;
      margin-bottom:.7rem;
    }
    .z-heatProduct__label::before{
      content:"";
      width:10px;height:10px;border-radius:50%;
      background:var(--z-red);
      box-shadow:0 0 0 7px var(--z-red-soft);
    }
    .z-heatProduct h3{
      font-size:clamp(2rem,3.2vw,3.4rem);
      color:var(--z-ink);
      margin-bottom:.65rem;
    }
    .z-heatProduct p{
      color:var(--z-ink-soft);
      font-size:var(--z-step-1);
      max-width:52ch;
      line-height:1.9;
    }
    .z-heatSpecs{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:.8rem;
      margin:1.45rem 0;
    }
    .z-heatSpecs div{
      background:#fff;
      border:1px solid var(--z-line);
      border-radius:18px;
      padding:.9rem 1rem;
      box-shadow:0 13px 28px -24px rgba(22,37,46,.35);
    }
    .z-heatSpecs span{
      display:block;
      color:var(--z-ink-soft);
      font-size:var(--z-step--1);
      font-weight:800;
      margin-bottom:.15rem;
    }
    .z-heatSpecs b{
      display:block;
      color:var(--z-ink);
      font-size:clamp(1.2rem,1.8vw,1.75rem);
      line-height:1.2;
      font-weight:950;
    }
    .z-heatSpecs small{font-size:.55em;color:var(--z-ink-soft);font-weight:800;}
    .z-heatProduct__visual{
      position:relative;
      min-height:390px;
      display:grid;
      place-items:center;
      border-radius:32px;
      background:
        radial-gradient(500px 300px at 50% 48%,#fff,transparent 70%),
        linear-gradient(135deg,#EAF4F8,#FFFFFF);
      border:1px solid var(--z-line);
      overflow:hidden;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.72),0 22px 48px -34px rgba(22,37,46,.4);
    }
    .z-heatProduct__visual::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(var(--z-line) 1px,transparent 1px),
        linear-gradient(90deg,var(--z-line) 1px,transparent 1px);
      background-size:44px 44px;
      opacity:.35;
      mask-image:radial-gradient(circle at 50% 50%,#000,transparent 72%);
    }
    .z-house-visual,.z-multi-visual,.z-industrial-visual,.z-control-visual{
      position:relative;
      z-index:2;
      width:min(100%,680px);
      filter:drop-shadow(0 28px 28px rgba(22,37,46,.16));
      animation:zFloatProduct 5.5s ease-in-out infinite;
    }
    .z-season{
      position:absolute;
      inset:0;
      pointer-events:none;
      opacity:.55;
      overflow:hidden;
    }
    .z-season span{
      position:absolute;
      display:block;
      width:72px;height:72px;border-radius:50%;
      filter:blur(2px);
      animation:zSeasonMove 8s linear infinite;
    }
    .z-season--cool span{background:rgba(180,218,236,.55);}
    .z-season--warm span{background:rgba(255,181,71,.28);}
    .z-season--cool span:nth-child(1){top:16%;left:12%;animation-delay:.2s}
    .z-season--cool span:nth-child(2){top:68%;left:24%;animation-delay:1.6s}
    .z-season--cool span:nth-child(3){top:42%;right:12%;animation-delay:2.4s}
    .z-season--warm span:nth-child(1){top:20%;right:24%;animation-delay:.8s}
    .z-season--warm span:nth-child(2){bottom:14%;right:10%;animation-delay:1.9s}
    .z-season--warm span:nth-child(3){top:50%;left:45%;animation-delay:3s}
    .z-room-card{animation:zCardBreathe 4.8s ease-in-out infinite;}
    .z-room-card:nth-of-type(2){animation-delay:.35s}
    .z-room-card:nth-of-type(3){animation-delay:.7s}
    .z-heatArrow{
      position:absolute;
      top:50%;
      transform:translateY(-50%);
      z-index:4;
      width:48px;height:48px;
      border-radius:50%;
      border:1px solid var(--z-line);
      background:rgba(255,255,255,.84);
      backdrop-filter:blur(8px);
      color:var(--z-ink);
      display:grid;
      place-items:center;
      font-size:2rem;
      line-height:1;
      box-shadow:0 14px 30px -20px rgba(22,37,46,.4);
      transition:transform .2s,color .2s,background .2s;
    }
    .z-heatArrow:hover{transform:translateY(-50%) scale(1.06);color:var(--z-red);background:#fff;}
    .z-heatArrow--prev{left:1rem;}
    .z-heatArrow--next{right:1rem;}
    html[data-lang="en"] .z-heatArrow--prev{left:auto;right:1rem;}
    html[data-lang="en"] .z-heatArrow--next{right:auto;left:1rem;}
    .z-heatShow__bottom{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:1rem;
      padding:1rem 1.25rem;
      background:#fff;
      border-top:1px solid var(--z-line);
    }
    .z-heatDots{
      display:flex;
      align-items:center;
      gap:.45rem;
    }
    .z-heatDots button{
      width:32px;height:5px;
      border:0;border-radius:999px;
      background:var(--z-steel-2);
      padding:0;
      transition:background .2s,width .2s;
    }
    .z-heatDots button.is-active{width:54px;background:var(--z-red);}
    .z-heatHint{
      color:var(--z-ink-soft);
      font-size:var(--z-step--1);
      font-weight:700;
    }
    @keyframes zFloatProduct{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
    @keyframes zSeasonMove{0%{transform:translate3d(0,0,0) scale(.8);opacity:.15}50%{opacity:.7}100%{transform:translate3d(30px,-36px,0) scale(1.15);opacity:.1}}
    @keyframes zCardBreathe{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
    @media (max-width:1100px){
      .z-heatProduct{grid-template-columns:1fr;min-height:auto;padding:clamp(1.4rem,4vw,2.4rem);}
      .z-heatShow__stage{min-height:auto;}
      .z-heatProduct__visual{min-height:320px;}
      .z-heatArrow{display:none;}
    }
    @media (max-width:760px){
      .z-heatShow__tabs{grid-template-columns:1fr 1fr;}
      .z-heatSpecs{grid-template-columns:1fr;}
      .z-heatShow__bottom{align-items:flex-start;flex-direction:column;}
      .z-heatProduct__visual{min-height:260px;border-radius:22px;}
      .z-heatProduct h3{font-size:var(--z-step-2);}
    }



    /* GREE-like full hero slideshow for the heat-pump section — original Zista design */
    .z-heatHero{
      position:relative;
      overflow:hidden;
      background:#F4F7F9;
      min-height:760px;
      border-bottom:1px solid var(--z-line);
    }
    .z-heatHero__promo{
      position:relative;
      z-index:8;
      background:
        linear-gradient(90deg,rgba(8,41,72,.96),rgba(11,58,92,.96)),
        repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 2px,transparent 2px 18px);
      color:#fff;
      box-shadow:0 14px 30px -24px rgba(0,0,0,.5);
    }
    .z-heatHero__promoInner{
      min-height:82px;
      display:grid;
      grid-template-columns:1fr 1.4fr auto auto;
      gap:clamp(1rem,3vw,2.5rem);
      align-items:center;
    }
    .z-heatHero__promoBrand{
      display:grid;
      gap:.05rem;
      justify-items:start;
    }
    html[data-lang="en"] .z-heatHero__promoBrand{justify-items:start;}
    .z-promoSmall{
      color:#8FDAD5;
      font-size:var(--z-step--1);
      font-weight:900;
      letter-spacing:.12em;
    }
    .z-heatHero__promoBrand strong{
      display:block;
      font-size:1.05rem;
      font-weight:950;
      color:#fff;
    }
    .z-heatHero__promoText{
      text-align:center;
      font-weight:700;
      line-height:1.65;
      color:#E6F4F6;
    }
    .z-heatHero__promoDate{
      font-weight:900;
      color:#fff;
      white-space:nowrap;
    }
    .z-heatHero__promoBtn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:132px;
      padding:.65rem 1.4rem;
      border-radius:7px;
      background:#E06432;
      color:#fff;
      font-weight:900;
      transition:transform .2s,background .2s;
    }
    .z-heatHero__promoBtn:hover{
      transform:translateY(-2px);
      background:#F94834;
    }
    .z-heatHero__slides{
      position:relative;
      min-height:680px;
    }
    .z-heatHero__slide{
      position:absolute;
      inset:0;
      opacity:0;
      visibility:hidden;
      transition:opacity .85s ease,visibility .85s ease;
    }
    .z-heatHero__slide.is-active{
      opacity:1;
      visibility:visible;
      position:relative;
    }
    .z-heatHero__bg{
      position:absolute;
      inset:0;
      overflow:hidden;
    }
    .z-heatHero__bg svg{
      width:100%;
      height:100%;
      min-height:680px;
    }
    .z-heatHero__bg::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg,rgba(255,255,255,.16),rgba(255,255,255,.02) 35%,rgba(255,255,255,.08)),
        radial-gradient(740px 420px at 50% 47%,rgba(0,0,0,.06),transparent 72%);
      pointer-events:none;
    }
    .z-heatHero__shade{
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(0,0,0,.22),rgba(0,0,0,.08),rgba(0,0,0,.22)),
        linear-gradient(180deg,rgba(0,0,0,.06),rgba(0,0,0,.18));
      z-index:1;
    }
    .z-heatHero__content{
      position:relative;
      z-index:2;
      min-height:680px;
      display:flex;
      flex-direction:column;
      justify-content:center;
      align-items:center;
      text-align:center;
      color:#fff;
      padding-top:clamp(2rem,5vw,4rem);
      padding-bottom:clamp(3.8rem,6vw,5.4rem);
    }
    .z-heatHero__kicker{
      display:inline-flex;
      align-items:center;
      gap:.55rem;
      color:#F2FFFF;
      background:rgba(0,81,89,.48);
      border:1px solid rgba(255,255,255,.22);
      backdrop-filter:blur(7px);
      padding:.45rem .9rem;
      border-radius:999px;
      font-weight:900;
      margin-bottom:1.1rem;
      box-shadow:0 14px 28px -22px rgba(0,0,0,.5);
      transform:translateY(18px);
      opacity:0;
      transition:transform .7s ease .15s,opacity .7s ease .15s;
    }
    .z-heatHero__kicker::before{
      content:"";
      width:9px;height:9px;border-radius:50%;
      background:#9FE4DF;
      box-shadow:0 0 0 8px rgba(159,228,223,.16);
    }
    .z-heatHero__content h2{
      font-size:clamp(3rem,7vw,6.4rem);
      line-height:1.05;
      color:#fff;
      text-transform:none;
      text-shadow:0 5px 24px rgba(0,0,0,.22);
      max-width:12ch;
      margin-bottom:.35em;
      transform:translateY(22px);
      opacity:0;
      transition:transform .75s ease .25s,opacity .75s ease .25s;
    }
    html[data-lang="en"] .z-heatHero__content h2{
      text-transform:uppercase;
      letter-spacing:.015em;
      max-width:13ch;
    }
    .z-heatHero__content p{
      font-size:clamp(1.05rem,1.65vw,1.55rem);
      max-width:68ch;
      color:#fff;
      text-shadow:0 4px 16px rgba(0,0,0,.22);
      margin-bottom:2rem;
      transform:translateY(22px);
      opacity:0;
      transition:transform .75s ease .35s,opacity .75s ease .35s;
    }
    .z-heatHero__slide.is-active .z-heatHero__kicker,
    .z-heatHero__slide.is-active .z-heatHero__content h2,
    .z-heatHero__slide.is-active .z-heatHero__content p{
      transform:translateY(0);
      opacity:1;
    }
    .z-heatHero__audience{
      display:flex;
      justify-content:center;
      align-items:center;
      gap:.7rem;
      flex-wrap:wrap;
      transform:translateY(22px);
      opacity:0;
      transition:transform .75s ease .45s,opacity .75s ease .45s;
    }
    .z-heatHero__slide.is-active .z-heatHero__audience{
      transform:translateY(0);
      opacity:1;
    }
    .z-heatHero__audience a{
      min-width:168px;
      text-align:center;
      padding:.95rem 1.25rem;
      background:#2D56AD;
      color:#fff;
      border-radius:7px;
      font-weight:950;
      box-shadow:0 18px 34px -24px rgba(0,0,0,.55);
      border:1px solid rgba(255,255,255,.12);
      transition:transform .2s,background .2s,box-shadow .2s;
    }
    .z-heatHero__audience a:hover{
      transform:translateY(-3px);
      background:#1E438F;
      box-shadow:0 24px 42px -24px rgba(0,0,0,.6);
    }
    .z-heatHero__arrow{
      position:absolute;
      z-index:9;
      top:55%;
      transform:translateY(-50%);
      width:52px;
      height:52px;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.45);
      background:rgba(255,255,255,.2);
      backdrop-filter:blur(9px);
      color:#fff;
      display:grid;
      place-items:center;
      font-size:2.4rem;
      line-height:1;
      box-shadow:0 16px 30px -24px rgba(0,0,0,.55);
      transition:transform .2s,background .2s;
    }
    .z-heatHero__arrow:hover{
      transform:translateY(-50%) scale(1.06);
      background:rgba(255,255,255,.32);
    }
    .z-heatHero__arrow--prev{left:1.2rem;}
    .z-heatHero__arrow--next{right:1.2rem;}
    html[data-lang="en"] .z-heatHero__arrow--prev{left:auto;right:1.2rem;}
    html[data-lang="en"] .z-heatHero__arrow--next{right:auto;left:1.2rem;}
    .z-heatHero__dots{
      position:absolute;
      z-index:9;
      left:50%;
      bottom:1.5rem;
      transform:translateX(-50%);
      display:flex;
      gap:.5rem;
      background:rgba(255,255,255,.16);
      backdrop-filter:blur(9px);
      padding:.45rem .6rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.24);
    }
    .z-heatHero__dots button{
      border:0;
      width:34px;
      height:5px;
      border-radius:999px;
      background:rgba(255,255,255,.55);
      padding:0;
      transition:width .2s,background .2s;
    }
    .z-heatHero__dots button.is-active{
      width:58px;
      background:#F94834;
    }
    .z-heatBird{
      animation:zHeatBird 8s ease-in-out infinite alternate;
    }
    .z-heatLeaves ellipse{
      animation:zHeatLeaf 6.2s ease-in-out infinite alternate;
      transform-box:fill-box;
      transform-origin:center;
    }
    .z-heatLeaves ellipse:nth-child(2){animation-delay:.6s;}
    .z-heatLeaves ellipse:nth-child(3){animation-delay:1.1s;}
    .z-heatLeaves ellipse:nth-child(4){animation-delay:1.7s;}
    @keyframes zHeatBird{
      from{transform:translate(170px,205px)}
      to{transform:translate(230px,185px)}
    }
    @keyframes zHeatLeaf{
      from{transform:translateY(0) rotate(0deg)}
      to{transform:translateY(-24px) rotate(8deg)}
    }
    @media (max-width:980px){
      .z-heatHero{min-height:auto;}
      .z-heatHero__promoInner{
        grid-template-columns:1fr;
        text-align:center;
        padding-block:1rem;
        gap:.65rem;
      }
      .z-heatHero__promoBrand{justify-items:center;}
      .z-heatHero__slides,.z-heatHero__content{min-height:620px;}
      .z-heatHero__arrow{display:none;}
      .z-heatHero__content h2{font-size:clamp(2.6rem,10vw,4.2rem);}
    }
    @media (max-width:640px){
      .z-heatHero__slides,.z-heatHero__content{min-height:590px;}
      .z-heatHero__audience{width:100%;}
      .z-heatHero__audience a{width:min(100%,320px);}
      .z-heatHero__promoBtn{width:min(100%,260px);margin-inline:auto;}
    }



    /* v9 adjustments:
       - remove promo/webinar bar
       - remove snow-like decoration
       - keep auto-rotation, but make the heat hero feel like a static branded section
    */
    .z-heatHero{
      min-height:680px;
    }
    .z-heatHero__slides{
      min-height:680px;
    }
    .z-heatHero__content{
      min-height:680px;
    }
    .z-heatHero__content h2{
      max-width:14ch;
    }
    .z-heatHero__content p{
      max-width:60ch;
    }
    .z-heatHero__audience{
      margin-top:.3rem;
    }
    .z-heatHero__audience a{
      min-width:190px;
      border-radius:10px;
    }
    /* hide any remaining explicit slider UI if present */
    .z-heatHero__promo,
    .z-heatHero__arrow,
    .z-heatHero__dots{
      display:none !important;
    }
    /* make the transition feel calmer and more "section-like" */
    .z-heatHero__slide{
      transition:opacity 1.15s ease, visibility 1.15s ease;
    }
    .z-heatHero__kicker,
    .z-heatHero__content h2,
    .z-heatHero__content p,
    .z-heatHero__audience{
      transition-duration:.95s;
    }
    @media (max-width:980px){
      .z-heatHero,
      .z-heatHero__slides,
      .z-heatHero__content{
        min-height:600px;
      }
    }
    @media (max-width:640px){
      .z-heatHero,
      .z-heatHero__slides,
      .z-heatHero__content{
        min-height:560px;
      }
    }



    /* v11: stronger GREE-like snow/hero atmosphere for the Heating & Cooling slide */
    .z-heatHero__bg--home{
      background:linear-gradient(180deg,#cfe0e8 0%,#ecf4f7 30%,#f6f8f8 100%);
    }
    .z-heatHero__bg--home::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(520px 240px at 7% 14%, rgba(255,247,219,.28), transparent 62%),
        linear-gradient(120deg, rgba(255,255,255,.35) 8%, rgba(255,255,255,.08) 15%, transparent 28%),
        linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.02));
      mix-blend-mode:screen;
      pointer-events:none;
      z-index:1;
    }
    .z-heatHero__bg--home::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 76% 20%, rgba(255,255,255,.72) 0 2px, transparent 3px),
        radial-gradient(circle at 82% 26%, rgba(255,255,255,.74) 0 2.5px, transparent 3.5px),
        radial-gradient(circle at 88% 34%, rgba(255,255,255,.65) 0 3px, transparent 4px),
        radial-gradient(circle at 91% 40%, rgba(255,255,255,.72) 0 3px, transparent 4px),
        radial-gradient(circle at 84% 48%, rgba(255,255,255,.55) 0 4px, transparent 5px),
        radial-gradient(circle at 93% 55%, rgba(255,255,255,.64) 0 3px, transparent 4px),
        radial-gradient(circle at 79% 61%, rgba(255,255,255,.58) 0 2.6px, transparent 3.6px),
        radial-gradient(circle at 87% 68%, rgba(255,255,255,.75) 0 3px, transparent 4px),
        linear-gradient(115deg,
          transparent 66%,
          rgba(255,255,255,.06) 68%,
          transparent 70%,
          rgba(255,255,255,.11) 73%,
          transparent 75%,
          rgba(255,255,255,.08) 79%,
          transparent 81%,
          rgba(255,255,255,.09) 85%,
          transparent 87%),
        linear-gradient(115deg,
          transparent 72%,
          rgba(255,255,255,.06) 74%,
          transparent 76%,
          rgba(255,255,255,.08) 80%,
          transparent 82%);
      filter:blur(1px);
      opacity:.95;
      pointer-events:none;
      z-index:2;
      animation:zSnowDrift 13s linear infinite;
    }
    .z-heatHero__bg--home svg{
      position:relative;
      z-index:0;
    }
    .z-heatHero__bg--home .z-heatBird{opacity:.95;}
    .z-heatHero__bg--home .z-heatBird path{stroke:#5f6670;stroke-width:9;}
    .z-heatHero__shade{
      background:
        linear-gradient(90deg,rgba(0,0,0,.20),rgba(0,0,0,.06),rgba(0,0,0,.18)),
        linear-gradient(180deg,rgba(255,255,255,.02),rgba(0,0,0,.14));
    }
    .z-heatHero__content h2{
      text-shadow:0 6px 28px rgba(0,0,0,.20);
    }
    .z-heatHero__content p{
      text-shadow:0 4px 18px rgba(0,0,0,.18);
    }
    @keyframes zSnowDrift{
      0%{transform:translate3d(0,0,0)}
      50%{transform:translate3d(-10px,12px,0)}
      100%{transform:translate3d(-18px,24px,0)}
    }



    /* v12: real animated snowfall layer, matching the feel of the GREE hero without copying their assets */
    .z-snowfield{
      position:absolute;
      inset:0;
      z-index:3;
      overflow:hidden;
      pointer-events:none;
      mix-blend-mode:screen;
      filter:drop-shadow(0 0 6px rgba(255,255,255,.38));
    }
    .z-snowfield::before,
    .z-snowfield::after{
      content:"";
      position:absolute;
      inset:-18% -8% -8% 42%;
      background:
        radial-gradient(circle at 8% 12%, rgba(255,255,255,.70) 0 3px, transparent 4px),
        radial-gradient(circle at 18% 28%, rgba(255,255,255,.62) 0 4px, transparent 5px),
        radial-gradient(circle at 28% 8%, rgba(255,255,255,.75) 0 2px, transparent 3px),
        radial-gradient(circle at 42% 38%, rgba(255,255,255,.66) 0 5px, transparent 6px),
        radial-gradient(circle at 55% 18%, rgba(255,255,255,.72) 0 3px, transparent 4px),
        radial-gradient(circle at 68% 46%, rgba(255,255,255,.62) 0 4px, transparent 5px),
        radial-gradient(circle at 82% 24%, rgba(255,255,255,.76) 0 3px, transparent 4px),
        radial-gradient(circle at 92% 58%, rgba(255,255,255,.68) 0 5px, transparent 6px);
      opacity:.55;
      transform:skewX(-14deg);
      animation:zSnowSheet 11s linear infinite;
    }
    .z-snowfield::after{
      inset:-14% -4% -10% 50%;
      opacity:.42;
      filter:blur(2px);
      animation-duration:15s;
      animation-delay:-6s;
    }
    .z-snowfield span{
      position:absolute;
      left:calc(var(--x) * 1%);
      top:calc(var(--y) * 1%);
      width:var(--s);
      height:var(--s);
      border-radius:50%;
      background:rgba(255,255,255,var(--op));
      box-shadow:
        0 0 10px rgba(255,255,255,.54),
        0 0 22px rgba(255,255,255,.22);
      filter:blur(var(--blur));
      animation:zSnowFall var(--d) linear infinite;
      animation-delay:var(--delay);
    }
    .z-heatHero__content{
      z-index:5;
    }
    .z-heatHero__shade{
      z-index:2;
    }
    @keyframes zSnowFall{
      0%{
        transform:translate3d(0,-18vh,0) scale(.72);
        opacity:0;
      }
      10%{opacity:var(--op);}
      78%{opacity:calc(var(--op) * .82);}
      100%{
        transform:translate3d(var(--drift),105vh,0) scale(1.15);
        opacity:0;
      }
    }
    @keyframes zSnowSheet{
      0%{transform:translate3d(10%, -12%, 0) skewX(-14deg);}
      100%{transform:translate3d(-18%, 22%, 0) skewX(-14deg);}
    }
    @media (prefers-reduced-motion:reduce){
      .z-snowfield span,
      .z-snowfield::before,
      .z-snowfield::after{
        animation:none!important;
      }
    }



    /* v13: one GREE-like Heating/Cooling hero, with animated snow-to-sun season transition.
       The original GREE photo/asset is not copied; this is a custom Zista scene with the same interaction feel. */
    .z-heatHero--seasonal{
      min-height:720px;
      background:#e9f1f4;
    }
    .z-heatHero--seasonal .z-heatHero__slides,
    .z-heatHero--seasonal .z-heatHero__content{
      min-height:720px;
    }
    .z-heatHero--seasonal .z-heatHero__slide{
      opacity:1!important;
      visibility:visible!important;
      position:relative!important;
    }
    .z-heatHero--seasonal .z-heatHero__bg--home svg{
      animation:zHouseSeasonTone 14s ease-in-out infinite;
    }
    .z-heatHero--seasonal .z-snowfield{
      animation:zSnowSceneFade 14s ease-in-out infinite;
    }
    .z-heatHero--seasonal .z-snowfield span{
      animation-name:zSnowFallSeason;
    }
    .z-sunfield{
      position:absolute;
      inset:0;
      z-index:4;
      pointer-events:none;
      overflow:hidden;
      opacity:0;
      animation:zSunSceneFade 14s ease-in-out infinite;
      mix-blend-mode:screen;
    }
    .z-sunfield__sun{
      position:absolute;
      left:4%;
      bottom:11%;
      width:210px;
      height:210px;
      border-radius:50%;
      background:
        radial-gradient(circle at 45% 45%,rgba(255,255,255,.96) 0 12%,rgba(255,220,105,.88) 28%,rgba(255,181,71,.44) 54%,transparent 72%);
      filter:blur(.5px);
      animation:zSunPulse 5.5s ease-in-out infinite;
    }
    html[data-lang="en"] .z-sunfield__sun{
      left:auto;
      right:4%;
    }
    .z-sunfield__beam{
      position:absolute;
      left:-8%;
      bottom:22%;
      width:64%;
      height:120px;
      border-radius:999px;
      transform:rotate(-15deg);
      background:linear-gradient(90deg,rgba(255,255,255,.0),rgba(255,244,178,.45),rgba(255,255,255,0));
      filter:blur(4px);
      opacity:.7;
      animation:zBeamMove 8s ease-in-out infinite;
    }
    html[data-lang="en"] .z-sunfield__beam{
      left:auto;
      right:-8%;
      transform:rotate(15deg);
    }
    .z-sunfield__beam--2{
      bottom:39%;
      height:92px;
      opacity:.48;
      animation-delay:.5s;
    }
    .z-sunfield__beam--3{
      bottom:57%;
      height:70px;
      opacity:.34;
      animation-delay:1.2s;
    }
    .z-sunfield__warm{
      position:absolute;
      inset:0;
      background:
        radial-gradient(600px 330px at 16% 68%,rgba(255,211,111,.38),transparent 66%),
        radial-gradient(480px 300px at 42% 42%,rgba(255,184,79,.20),transparent 72%),
        linear-gradient(180deg,rgba(255,244,201,.18),rgba(255,255,255,.02));
      opacity:.95;
    }
    .z-heatHero--seasonal .z-heatHero__audience a{
      min-width:210px;
      background:#2D56AD;
      border-radius:8px;
    }
    .z-heatHero--seasonal .z-heatHero__audience a:hover{
      background:#1f4590;
    }
    @keyframes zSnowSceneFade{
      0%,42%{opacity:1}
      49%,100%{opacity:0}
    }
    @keyframes zSunSceneFade{
      0%,44%{opacity:0}
      52%,90%{opacity:1}
      100%{opacity:0}
    }
    @keyframes zHouseSeasonTone{
      0%,42%{filter:saturate(.92) brightness(.98) hue-rotate(0deg)}
      52%,90%{filter:saturate(1.12) brightness(1.08) hue-rotate(-8deg)}
      100%{filter:saturate(.92) brightness(.98) hue-rotate(0deg)}
    }
    @keyframes zSnowFallSeason{
      0%{transform:translate3d(0,-18vh,0) scale(.72);opacity:0}
      10%{opacity:var(--op)}
      42%{opacity:calc(var(--op) * .88)}
      50%,100%{transform:translate3d(var(--drift),105vh,0) scale(1.15);opacity:0}
    }
    @keyframes zSunPulse{
      0%,100%{transform:scale(1);opacity:.88}
      50%{transform:scale(1.06);opacity:1}
    }
    @keyframes zBeamMove{
      0%,100%{transform:translateX(0) rotate(-15deg);opacity:.38}
      50%{transform:translateX(7%) rotate(-15deg);opacity:.72}
    }
    html[data-lang="en"] @keyframes zBeamMove{
      0%,100%{transform:translateX(0) rotate(15deg);opacity:.38}
      50%{transform:translateX(-7%) rotate(15deg);opacity:.72}
    }
    @media (max-width:980px){
      .z-heatHero--seasonal,
      .z-heatHero--seasonal .z-heatHero__slides,
      .z-heatHero--seasonal .z-heatHero__content{
        min-height:640px;
      }
    }
    @media (max-width:640px){
      .z-heatHero--seasonal,
      .z-heatHero--seasonal .z-heatHero__slides,
      .z-heatHero--seasonal .z-heatHero__content{
        min-height:600px;
      }
      .z-sunfield__sun{
        width:150px;
        height:150px;
      }
    }



    /* v14: seasonal heat-pump hero using user-provided cold/warm scene references */
    .z-seasonHeat{position:relative;overflow:hidden;min-height:820px;background:#eef3f5;border-top:1px solid var(--z-line);border-bottom:1px solid var(--z-line);isolation:isolate;}
    .z-seasonHeat__bg,.z-seasonHeat__veil,.z-seasonHeat__snow,.z-seasonHeat__sun{position:absolute;inset:0;pointer-events:none;}
    .z-seasonHeat__bg{background-size:cover;background-position:center center;transition:opacity 2.4s ease, transform 8s ease;}
    .z-seasonHeat__bg--winter{background-image:url('../images/zista-asset-93be97736112.jpg');opacity:1;transform:scale(1.02);}
    .z-seasonHeat__bg--summer{background-image:url('../images/zista-asset-46ecae125be8.jpg');opacity:0;transform:scale(1);}
    .z-seasonHeat__veil{z-index:1;background:linear-gradient(90deg,rgba(245,249,251,.30),rgba(245,249,251,.08) 35%,rgba(245,249,251,.20)),linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.04));}
    .z-seasonHeat__inner{position:relative;z-index:6;min-height:820px;display:grid;grid-template-columns:minmax(420px,1.05fr) minmax(420px,.95fr);gap:clamp(1.6rem,4vw,4.5rem);align-items:center;}
    .z-seasonHeat__dash{background:rgba(255,255,255,.82);backdrop-filter:blur(6px);border:1px solid rgba(195,205,212,.9);border-radius:32px;padding:1.35rem;box-shadow:0 30px 50px -34px rgba(22,37,46,.28), inset 0 1px 0 rgba(255,255,255,.65);max-width:620px;justify-self:start;}
    .z-seasonHeat__dashHead{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.15rem .1rem 1rem;border-bottom:1px solid rgba(195,205,212,.8);font-weight:950;color:#16252e;}
    .z-seasonHeat__online{display:inline-flex;align-items:center;gap:.55rem;color:#2e8b6b;font-weight:900;}
    .z-seasonHeat__online::before{content:"";width:10px;height:10px;border-radius:50%;background:#2e8b6b;box-shadow:0 0 0 6px rgba(46,139,107,.14);}
    .z-seasonHeat__metrics{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.2rem;}
    .z-seasonHeat__metric{position:relative;background:rgba(255,255,255,.72);border:1px solid rgba(195,205,212,.82);border-radius:22px;padding:1rem 1.15rem;min-height:120px;overflow:hidden;}
    .z-seasonHeat__metric::after{content:"";position:absolute;inset:auto -14px -18px auto;width:90px;height:90px;border-radius:50%;opacity:.12;}
    .z-seasonHeat__metric h4{margin:0 0 .25rem;color:#657786;font-size:1rem;font-weight:850;}
    .z-seasonHeat__num{display:flex;align-items:flex-end;gap:.2rem;color:#16252e;font-weight:950;font-size:2.35rem;line-height:1;}
    .z-seasonHeat__num b{font-size:inherit;color:inherit;}
    .z-seasonHeat__num small{font-size:.9rem;margin-bottom:.38rem;font-weight:900;color:#657786;}
    .z-seasonHeat__metric--green .z-seasonHeat__num{color:#2e8b6b;} .z-seasonHeat__metric--green::after{background:#2e8b6b;}
    .z-seasonHeat__metric--red .z-seasonHeat__num{color:#ff4a34;} .z-seasonHeat__metric--red::after{background:#ff4a34;}
    .z-seasonHeat__metric--blue .z-seasonHeat__num{color:#3d6ee8;} .z-seasonHeat__metric--blue::after{background:#3d6ee8;}
    .z-seasonHeat__metric--teal .z-seasonHeat__num{color:#09999a;} .z-seasonHeat__metric--teal::after{background:#09999a;}
    .z-seasonHeat__chart{margin-top:1rem;background:rgba(255,255,255,.72);border:1px solid rgba(195,205,212,.82);border-radius:24px;padding:1rem 1rem .85rem;}
    .z-seasonHeat__bars{height:108px;display:flex;align-items:flex-end;gap:.75rem;}
    .z-seasonHeat__bars span{flex:1;min-width:0;border-radius:14px 14px 4px 4px;background:linear-gradient(180deg,#0aa1a2,#087d80);box-shadow:inset 0 1px 0 rgba(255,255,255,.25);animation:zSeasonBars 6s ease-in-out infinite;transform-origin:bottom;}
    .z-seasonHeat__bars span:nth-child(2),.z-seasonHeat__bars span:nth-child(5){background:linear-gradient(180deg,#3d9b71,#2e8b6b);height:68%;animation-delay:.25s;}
    .z-seasonHeat__bars span:nth-child(4),.z-seasonHeat__bars span:nth-child(6){background:linear-gradient(180deg,#ff4a34,#dc2e1e);height:74%;animation-delay:.45s;}
    .z-seasonHeat__bars span:nth-child(1){height:42%;} .z-seasonHeat__bars span:nth-child(2){height:64%;} .z-seasonHeat__bars span:nth-child(3){height:52%;animation-delay:.15s;} .z-seasonHeat__bars span:nth-child(4){height:82%;} .z-seasonHeat__bars span:nth-child(5){height:58%;} .z-seasonHeat__bars span:nth-child(6){height:72%;} .z-seasonHeat__bars span:nth-child(7){height:46%;animation-delay:.35s;}
    .z-seasonHeat__copy{max-width:690px;justify-self:end;text-align:center;}
    .z-seasonHeat__eyebrow{display:inline-flex;align-items:center;gap:.7rem;color:#ff4a34;font-weight:900;font-size:1rem;margin-bottom:1.1rem;} .z-seasonHeat__eyebrow::before{content:"";width:42px;height:2px;background:#ff4a34;display:inline-block;}
    .z-seasonHeat__copy h2{margin:0 0 1rem;line-height:.98;font-size:clamp(3rem,6vw,6.2rem);letter-spacing:-.03em;}
    .z-seasonHeat__copy .z-line1{display:block;color:#16252e;font-weight:950;} .z-seasonHeat__copy .z-line2{display:block;color:#ff4a34;font-weight:950;margin-top:.16em;position:relative;}
    .z-seasonHeat__copy .z-line2::after{content:"";display:block;width:min(540px,88%);height:18px;background:rgba(255,74,52,.15);border-radius:999px;margin:.13em auto 0;}
    .z-seasonHeat__copy p{font-size:clamp(1.1rem,1.6vw,1.55rem);line-height:1.9;color:#657786;max-width:28ch;margin:0 auto 1.3rem;}
    .z-seasonHeat__chips{display:flex;justify-content:center;gap:.7rem;flex-wrap:wrap;margin-bottom:1.55rem;} .z-seasonHeat__chips span{display:inline-flex;align-items:center;gap:.45rem;border:1px solid rgba(195,205,212,.92);background:rgba(255,255,255,.78);padding:.72rem 1rem;border-radius:999px;color:#657786;font-weight:850;backdrop-filter:blur(4px);} .z-seasonHeat__chips span::before{content:"✓";color:#2e8b6b;font-weight:950;}
    .z-seasonHeat__cta{display:flex;justify-content:center;gap:.9rem;flex-wrap:wrap;} .z-seasonHeat .z-btn--primary{background:#ff4a34;border-color:#ff4a34;box-shadow:0 18px 32px -20px rgba(255,74,52,.5);} .z-seasonHeat .z-btn--primary:hover{background:#e43d28;border-color:#e43d28;} .z-seasonHeat .z-btn--ghost{background:rgba(255,255,255,.85);backdrop-filter:blur(4px);}
    .z-seasonHeat__arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:8;width:58px;height:58px;border-radius:50%;border:1px solid rgba(195,205,212,.95);background:rgba(255,255,255,.72);backdrop-filter:blur(4px);display:grid;place-items:center;font-size:2.4rem;color:#16252e;box-shadow:0 24px 40px -28px rgba(22,37,46,.35);transition:transform .2s,background .2s,color .2s;} .z-seasonHeat__arrow:hover{transform:translateY(-50%) scale(1.05);background:#fff;color:#ff4a34;} .z-seasonHeat__arrow--prev{left:4.2%;} .z-seasonHeat__arrow--next{right:4.2%;}
    .z-seasonHeat__dots{position:absolute;right:6%;bottom:1.7rem;z-index:8;display:flex;gap:.6rem;} .z-seasonHeat__dots button{width:38px;height:5px;border-radius:999px;border:0;background:#b3bdc7;padding:0;transition:background .2s,width .2s;} .z-seasonHeat__dots button.is-active{width:62px;background:#ff4a34;}
    .z-seasonHeat__snow{z-index:4;opacity:1;transition:opacity 1.6s ease;mix-blend-mode:screen;filter:drop-shadow(0 0 6px rgba(255,255,255,.45));} .z-seasonHeat__snow::before,.z-seasonHeat__snow::after{content:"";position:absolute;inset:-10% -10% -6% 0;background:repeating-linear-gradient(120deg,rgba(255,255,255,.08) 0 4px,transparent 4px 36px);opacity:.45;transform:translate3d(0,0,0);animation:zBlizzardSheet 8s linear infinite;} .z-seasonHeat__snow::after{opacity:.24;filter:blur(2px);animation-duration:13s;animation-direction:reverse;} .z-seasonHeat__snow span{position:absolute;left:calc(var(--x) * 1%);top:calc(var(--y) * 1%);width:var(--s);height:var(--s);border-radius:50%;background:rgba(255,255,255,var(--op));box-shadow:0 0 10px rgba(255,255,255,.55),0 0 22px rgba(255,255,255,.25);filter:blur(var(--blur));animation:zHeavySnow var(--d) linear infinite;animation-delay:var(--delay);}
    .z-seasonHeat__sun{z-index:4;opacity:0;transition:opacity 1.7s ease;mix-blend-mode:screen;} .z-seasonHeat__sunCore{position:absolute;left:6%;top:14%;width:190px;height:190px;border-radius:50%;background:radial-gradient(circle at 45% 45%,rgba(255,255,255,.96) 0 12%,rgba(255,223,117,.90) 30%,rgba(255,183,71,.42) 54%,transparent 74%);filter:blur(.4px);animation:zSunPulse 6s ease-in-out infinite;} .z-seasonHeat__ray{position:absolute;left:-2%;top:18%;width:50%;height:120px;border-radius:999px;background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,248,202,.45),rgba(255,255,255,0));transform:rotate(18deg);filter:blur(5px);opacity:.55;animation:zSunSweep 10s ease-in-out infinite;} .z-seasonHeat__ray--2{top:32%;width:55%;opacity:.36;animation-delay:.9s;} .z-seasonHeat__ray--3{top:47%;width:48%;opacity:.22;animation-delay:1.7s;} .z-seasonHeat__warmGlow{position:absolute;inset:0;background:radial-gradient(620px 340px at 16% 68%,rgba(255,211,111,.34),transparent 62%),radial-gradient(500px 280px at 40% 30%,rgba(255,184,79,.20),transparent 72%),linear-gradient(180deg,rgba(255,250,229,.12),rgba(255,255,255,0));}
    .z-seasonHeat[data-season="summer"] .z-seasonHeat__bg--winter{opacity:0;transform:scale(1);} .z-seasonHeat[data-season="summer"] .z-seasonHeat__bg--summer{opacity:1;transform:scale(1.02);} .z-seasonHeat[data-season="summer"] .z-seasonHeat__snow{opacity:0;} .z-seasonHeat[data-season="summer"] .z-seasonHeat__sun{opacity:1;}
    @keyframes zHeavySnow{0%{transform:translate3d(0,-18vh,0) scale(.72);opacity:0}10%{opacity:var(--op)}78%{opacity:calc(var(--op) * .86)}100%{transform:translate3d(var(--drift),108vh,0) scale(1.18);opacity:0}} @keyframes zBlizzardSheet{0%{transform:translate3d(8%, -8%, 0) skewX(-12deg)}100%{transform:translate3d(-22%, 26%, 0) skewX(-12deg)}} @keyframes zSeasonBars{0%,100%{transform:scaleY(.94)}50%{transform:scaleY(1.06)}} @keyframes zSunPulse{0%,100%{transform:scale(1);opacity:.84}50%{transform:scale(1.08);opacity:1}} @keyframes zSunSweep{0%,100%{transform:translateX(0) rotate(18deg);opacity:.28}50%{transform:translateX(7%) rotate(18deg);opacity:.6}}
    @media (max-width:1200px){.z-seasonHeat__inner{grid-template-columns:1fr;gap:1.8rem;padding-top:5.5rem;padding-bottom:5rem;} .z-seasonHeat__dash,.z-seasonHeat__copy{justify-self:center;max-width:760px;} .z-seasonHeat__copy{order:-1;} .z-seasonHeat__arrow{display:none;} .z-seasonHeat__dots{right:50%;transform:translateX(50%);}}
    @media (max-width:760px){.z-seasonHeat{min-height:unset;} .z-seasonHeat__inner{min-height:unset;padding-top:5.2rem;padding-bottom:5rem;} .z-seasonHeat__metrics{grid-template-columns:1fr;} .z-seasonHeat__copy h2{font-size:clamp(2.4rem,12vw,4.4rem);} .z-seasonHeat__copy p{max-width:36ch;font-size:1rem;} .z-seasonHeat__arrow{display:none;} .z-seasonHeat__sunCore{width:130px;height:130px;left:4%;top:12%;}}



    /* v15: clean seasonal hero layout per user request */
    .z-seasonHeat{min-height:760px;}
    .z-seasonHeat__mask{position:absolute;z-index:5;pointer-events:none;border-radius:28px;background:rgba(245,249,251,.34);backdrop-filter:blur(10px);box-shadow:inset 0 1px 0 rgba(255,255,255,.35);}
    .z-seasonHeat__mask--headline{left:16%;top:9%;width:52%;height:40%;}
    .z-seasonHeat__mask--buttons{left:28%;bottom:22%;width:42%;height:15%;}

    .z-seasonHeat__inner{grid-template-columns:minmax(420px,.95fr) minmax(360px,.9fr);padding-inline:clamp(1rem,3vw,2.5rem);}
    .z-seasonHeat__copy{order:1;justify-self:start;align-self:center;text-align:right;max-width:560px;position:relative;z-index:7;padding-right:1rem;}
    .z-seasonHeat__dash{order:2;justify-self:end;align-self:center;max-width:440px;position:relative;z-index:7;margin-right:0;background:rgba(255,255,255,.92);}
    .z-seasonHeat__copy h2{font-size:clamp(3.1rem,5.2vw,5.8rem);line-height:.92;max-width:8.6ch;}
    .z-seasonHeat__copy .z-line2::after{width:min(440px,92%);height:14px;}
    .z-seasonHeat__eyebrow{margin-bottom:1rem;}
    .z-seasonHeat__eyebrow::before{display:none;}

    .z-seasonHeat__threeBtns{display:grid;grid-template-columns:repeat(3,minmax(170px,1fr));gap:1.4rem;margin-top:2rem;max-width:980px;}
    .z-seasonHeat__threeBtns a{display:flex;align-items:center;justify-content:center;min-height:88px;padding:1rem 1.4rem;border-radius:14px;background:#2f59b6;color:#fff;font-weight:900;font-size:1.05rem;border:1px solid rgba(255,255,255,.18);box-shadow:0 18px 34px -24px rgba(47,89,182,.62), inset 0 1px 0 rgba(255,255,255,.16);transition:transform .2s ease, background .2s ease;}
    .z-seasonHeat__threeBtns a:hover{transform:translateY(-2px);background:#274da0;}

    .z-seasonHeat__arrow{display:none!important;}
    .z-seasonHeat__dots{right:5%;bottom:1.1rem;}
    .z-seasonHeat .lang-en{display:none!important;}

    @media (max-width:1300px){
      .z-seasonHeat__mask--headline{left:10%;width:60%;}
      .z-seasonHeat__mask--buttons{left:25%;width:48%;}
    }
    @media (max-width:1200px){
      .z-seasonHeat__inner{grid-template-columns:1fr;gap:2rem;padding-top:4.5rem;padding-bottom:4rem;}
      .z-seasonHeat__copy,.z-seasonHeat__dash{justify-self:center;text-align:center;padding-right:0;}
      .z-seasonHeat__copy h2{max-width:none;}
      .z-seasonHeat__threeBtns{grid-template-columns:1fr;max-width:420px;width:100%;}
      .z-seasonHeat__mask--headline{left:12%;top:11%;width:76%;height:30%;}
      .z-seasonHeat__mask--buttons{left:16%;bottom:27%;width:68%;height:10%;}
    }
    @media (max-width:760px){
      .z-seasonHeat{min-height:unset;}
      .z-seasonHeat__dash{max-width:100%;}
      .z-seasonHeat__copy h2{font-size:clamp(2.4rem,11vw,4.4rem);} 
      .z-seasonHeat__mask--headline{display:none;}
      .z-seasonHeat__mask--buttons{display:none;}
    }



    /* v16: cleaned seasonal hero - no overlay text on image, dashboard outside image */
    .z-seasonHeroClean{padding:clamp(2rem,4vw,4rem) 0;background:linear-gradient(180deg,#eef3f6 0%,#f7fafb 100%);}
    .z-seasonHeroClean__inner{display:grid;grid-template-columns:minmax(360px,.95fr) minmax(520px,1.2fr);gap:clamp(1.6rem,4vw,3rem);align-items:start;}
    .z-seasonHeroClean__content{display:flex;flex-direction:column;gap:1.2rem;position:relative;z-index:2;}
    .z-seasonHeroClean__eyebrow{display:inline-flex;align-items:center;gap:.7rem;color:#ff4a34;font-weight:900;font-size:1rem;}
    .z-seasonHeroClean__eyebrow::before{content:"";width:42px;height:2px;background:#ff4a34;display:inline-block;}
    .z-seasonHeroClean__content h2{margin:0;line-height:.95;font-size:clamp(3rem,5.5vw,5.6rem);letter-spacing:-.03em;}
    .z-seasonHeroClean__content .z-line1{display:block;color:#16252e;font-weight:950;}
    .z-seasonHeroClean__content .z-line2{display:block;color:#ff4a34;font-weight:950;margin-top:.16em;}
    .z-seasonHeroClean__content p{margin:0;color:#657786;font-size:clamp(1rem,1.55vw,1.35rem);line-height:1.9;max-width:34ch;}
    .z-seasonHeroClean__threeBtns{display:grid;grid-template-columns:repeat(3,minmax(150px,1fr));gap:1rem;max-width:920px;}
    .z-seasonHeroClean__threeBtns a{display:flex;align-items:center;justify-content:center;min-height:78px;padding:1rem 1.2rem;border-radius:14px;background:#2f59b6;color:#fff;font-weight:900;font-size:1.02rem;border:1px solid rgba(255,255,255,.18);box-shadow:0 18px 34px -24px rgba(47,89,182,.62), inset 0 1px 0 rgba(255,255,255,.16);transition:transform .2s ease, background .2s ease;}
    .z-seasonHeroClean__threeBtns a:hover{transform:translateY(-2px);background:#274da0;}

    .z-seasonHeroClean__dash{background:#fff;border:1px solid rgba(195,205,212,.95);border-radius:28px;padding:1.25rem;box-shadow:0 28px 44px -34px rgba(22,37,46,.22);max-width:620px;}
    .z-seasonHeroClean__dashHead{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.15rem .1rem 1rem;border-bottom:1px solid rgba(195,205,212,.8);font-weight:950;color:#16252e;}
    .z-seasonHeroClean__online{display:inline-flex;align-items:center;gap:.55rem;color:#2e8b6b;font-weight:900;}
    .z-seasonHeroClean__online::before{content:"";width:10px;height:10px;border-radius:50%;background:#2e8b6b;box-shadow:0 0 0 6px rgba(46,139,107,.14);}
    .z-seasonHeroClean__metrics{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.1rem;}
    .z-seasonHeroClean__metric{position:relative;background:#fff;border:1px solid rgba(195,205,212,.82);border-radius:22px;padding:1rem 1.15rem;min-height:118px;overflow:hidden;}
    .z-seasonHeroClean__metric::after{content:"";position:absolute;inset:auto -14px -18px auto;width:92px;height:92px;border-radius:50%;opacity:.12;}
    .z-seasonHeroClean__metric h4{margin:0 0 .25rem;color:#657786;font-size:1rem;font-weight:850;}
    .z-seasonHeroClean__num{display:flex;align-items:flex-end;gap:.2rem;color:#16252e;font-weight:950;font-size:2.35rem;line-height:1;}
    .z-seasonHeroClean__num b{font-size:inherit;color:inherit;}
    .z-seasonHeroClean__num small{font-size:.9rem;margin-bottom:.38rem;font-weight:900;color:#657786;}
    .z-seasonHeroClean__metric--green .z-seasonHeroClean__num{color:#2e8b6b;} .z-seasonHeroClean__metric--green::after{background:#2e8b6b;}
    .z-seasonHeroClean__metric--red .z-seasonHeroClean__num{color:#ff4a34;} .z-seasonHeroClean__metric--red::after{background:#ff4a34;}
    .z-seasonHeroClean__metric--blue .z-seasonHeroClean__num{color:#3d6ee8;} .z-seasonHeroClean__metric--blue::after{background:#3d6ee8;}
    .z-seasonHeroClean__metric--teal .z-seasonHeroClean__num{color:#09999a;} .z-seasonHeroClean__metric--teal::after{background:#09999a;}
    .z-seasonHeroClean__chart{margin-top:1rem;background:#fff;border:1px solid rgba(195,205,212,.82);border-radius:24px;padding:1rem 1rem .85rem;}
    .z-seasonHeroClean__bars{height:108px;display:flex;align-items:flex-end;gap:.75rem;}
    .z-seasonHeroClean__bars span{flex:1;min-width:0;border-radius:14px 14px 4px 4px;background:linear-gradient(180deg,#0aa1a2,#087d80);box-shadow:inset 0 1px 0 rgba(255,255,255,.25);animation:zSeasonBars2 6s ease-in-out infinite;transform-origin:bottom;}
    .z-seasonHeroClean__bars span:nth-child(2),.z-seasonHeroClean__bars span:nth-child(5){background:linear-gradient(180deg,#3d9b71,#2e8b6b);height:68%;animation-delay:.25s;}
    .z-seasonHeroClean__bars span:nth-child(4),.z-seasonHeroClean__bars span:nth-child(6){background:linear-gradient(180deg,#ff4a34,#dc2e1e);height:74%;animation-delay:.45s;}
    .z-seasonHeroClean__bars span:nth-child(1){height:42%;} .z-seasonHeroClean__bars span:nth-child(2){height:64%;} .z-seasonHeroClean__bars span:nth-child(3){height:52%;animation-delay:.15s;} .z-seasonHeroClean__bars span:nth-child(4){height:82%;} .z-seasonHeroClean__bars span:nth-child(5){height:58%;} .z-seasonHeroClean__bars span:nth-child(6){height:72%;} .z-seasonHeroClean__bars span:nth-child(7){height:46%;animation-delay:.35s;}

    .z-seasonHeroClean__media{position:relative;min-height:720px;border-radius:34px;overflow:hidden;border:1px solid rgba(195,205,212,.95);box-shadow:0 34px 54px -40px rgba(22,37,46,.26);background:#dbe6eb;}
    .z-seasonHeroClean__photo,.z-seasonHeroClean__snow,.z-seasonHeroClean__sunGlow{position:absolute;inset:0;pointer-events:none;}
    .z-seasonHeroClean__photo{background-image:url('../images/zista-asset-86b67344335d.jpg');background-size:cover;background-position:center center;transition:opacity 2.1s ease, filter 2.1s ease, transform 8s ease;}
    .z-seasonHeroClean__photo--base{opacity:1;filter:saturate(.86) brightness(.98) hue-rotate(6deg);transform:scale(1.02);}
    .z-seasonHeroClean__photo--warm{opacity:0;filter:saturate(1.14) brightness(1.08) hue-rotate(-10deg) sepia(.12);transform:scale(1);mix-blend-mode:normal;}
    .z-seasonHeroClean__snow{z-index:3;opacity:1;transition:opacity 1.5s ease;mix-blend-mode:screen;}
    .z-seasonHeroClean__snow::before,.z-seasonHeroClean__snow::after{content:"";position:absolute;inset:-10% -12% -8% 0;background:repeating-linear-gradient(120deg,rgba(255,255,255,.10) 0 4px,transparent 4px 38px);opacity:.42;animation:zBlizzard2 9s linear infinite;}
    .z-seasonHeroClean__snow::after{opacity:.22;filter:blur(2px);animation-duration:14s;animation-direction:reverse;}
    .z-seasonHeroClean__snow span{position:absolute;left:calc(var(--x) * 1%);top:calc(var(--y) * 1%);width:var(--s);height:var(--s);border-radius:50%;background:rgba(255,255,255,var(--op));box-shadow:0 0 10px rgba(255,255,255,.55),0 0 24px rgba(255,255,255,.28);animation:zHeavySnow2 var(--d) linear infinite;animation-delay:var(--delay);}
    .z-seasonHeroClean__sunGlow{z-index:2;opacity:0;transition:opacity 1.7s ease;background:radial-gradient(280px 220px at 12% 14%,rgba(255,238,171,.82),rgba(255,215,97,.28) 42%,transparent 72%),linear-gradient(120deg,rgba(255,255,255,.0) 10%,rgba(255,245,186,.44) 22%,rgba(255,255,255,0) 34%),radial-gradient(700px 320px at 12% 88%,rgba(255,219,118,.20),transparent 58%);mix-blend-mode:screen;}

    .z-seasonHeroClean[data-season="summer"] .z-seasonHeroClean__photo--base{opacity:0;transform:scale(1);}
    .z-seasonHeroClean[data-season="summer"] .z-seasonHeroClean__photo--warm{opacity:1;transform:scale(1.02);}
    .z-seasonHeroClean[data-season="summer"] .z-seasonHeroClean__snow{opacity:0;}
    .z-seasonHeroClean[data-season="summer"] .z-seasonHeroClean__sunGlow{opacity:1;}

    @keyframes zSeasonBars2{0%,100%{transform:scaleY(.94)}50%{transform:scaleY(1.06)}}
    @keyframes zHeavySnow2{0%{transform:translate3d(0,-18vh,0) scale(.72);opacity:0}10%{opacity:var(--op)}78%{opacity:calc(var(--op) * .88)}100%{transform:translate3d(var(--drift),108vh,0) scale(1.16);opacity:0}}
    @keyframes zBlizzard2{0%{transform:translate3d(6%,-10%,0) skewX(-14deg)}100%{transform:translate3d(-20%,24%,0) skewX(-14deg)}}

    @media (max-width:1220px){
      .z-seasonHeroClean__inner{grid-template-columns:1fr;}
      .z-seasonHeroClean__media{order:-1;min-height:560px;}
      .z-seasonHeroClean__content{max-width:920px;margin:0 auto;}
    }
    @media (max-width:860px){
      .z-seasonHeroClean__threeBtns{grid-template-columns:1fr;}
      .z-seasonHeroClean__metrics{grid-template-columns:1fr;}
      .z-seasonHeroClean__media{min-height:420px;}
    }



    /* v17: full-width GREE-inspired seasonal hero */
    .z-greeHero{padding:clamp(1.5rem,3vw,2.5rem) 0 3rem;background:linear-gradient(180deg,#eef3f6 0%,#f7fafb 100%);}
    .z-greeHero__stage{position:relative;min-height:680px;border-radius:34px;overflow:hidden;box-shadow:0 36px 56px -44px rgba(22,37,46,.28);border:1px solid rgba(195,205,212,.95);}
    .z-greeHero__scene,.z-greeHero__snow,.z-greeHero__sun,.z-greeHero__scrim{position:absolute;inset:0;pointer-events:none;}
    .z-greeHero__scene{background-size:cover;background-position:center center;transition:opacity 2.2s ease, transform 8s ease, filter 2.2s ease;}
    .z-greeHero__scene--winter{background-image:url('../images/zista-asset-86b67344335d.jpg');opacity:1;transform:scale(1.02);filter:saturate(.92) brightness(.98);}
    .z-greeHero__scene--summer{background-image:url('../images/zista-asset-46ecae125be8.jpg');opacity:0;transform:scale(1);filter:saturate(1.08) brightness(1.03);}
    .z-greeHero__snow{z-index:3;opacity:1;transition:opacity 1.6s ease;mix-blend-mode:screen;filter:drop-shadow(0 0 8px rgba(255,255,255,.35));}
    .z-greeHero__snow::before,.z-greeHero__snow::after{content:"";position:absolute;inset:-12% -12% -10% -4%;background:repeating-linear-gradient(121deg,rgba(255,255,255,.10) 0 4px,transparent 4px 34px);opacity:.4;animation:zGreeBlizzard 8s linear infinite;}
    .z-greeHero__snow::after{opacity:.24;filter:blur(2px);animation-duration:13s;animation-direction:reverse;}
    .z-greeHero__snow span{position:absolute;left:calc(var(--x) * 1%);top:calc(var(--y) * 1%);width:var(--s);height:var(--s);border-radius:50%;background:rgba(255,255,255,var(--op));filter:blur(var(--blur));box-shadow:0 0 10px rgba(255,255,255,.56),0 0 26px rgba(255,255,255,.24);animation:zGreeSnow var(--d) linear infinite;animation-delay:var(--delay);}
    .z-greeHero__sun{z-index:2;opacity:0;transition:opacity 1.8s ease;mix-blend-mode:screen;}
    .z-greeHero__sunCore{position:absolute;left:5%;top:12%;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle at 45% 45%,rgba(255,255,255,.95) 0 14%,rgba(255,224,128,.88) 32%,rgba(255,183,71,.34) 56%,transparent 78%);animation:zGreeSunPulse 6s ease-in-out infinite;}
    .z-greeHero__beam{position:absolute;left:-4%;top:20%;width:55%;height:128px;border-radius:999px;background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,247,201,.46),rgba(255,255,255,0));filter:blur(5px);transform:rotate(18deg);opacity:.5;animation:zGreeSunSweep 9s ease-in-out infinite;}
    .z-greeHero__beam--2{top:35%;width:58%;opacity:.34;animation-delay:.8s;}
    .z-greeHero__beam--3{top:51%;width:52%;opacity:.2;animation-delay:1.6s;}
    .z-greeHero__warmMist{position:absolute;inset:0;background:radial-gradient(680px 360px at 14% 72%,rgba(255,214,108,.22),transparent 60%),linear-gradient(115deg,rgba(255,248,210,.0) 14%,rgba(255,245,186,.26) 24%,rgba(255,255,255,0) 34%);}
    .z-greeHero__scrim{background:linear-gradient(90deg,rgba(10,23,34,.24),rgba(10,23,34,.05) 38%,rgba(10,23,34,.16));z-index:4;}
    .z-greeHero__overlay{position:relative;z-index:5;min-height:680px;display:flex;align-items:center;}
    .z-greeHero__copy{max-width:620px;color:#fff;padding:3rem 0;}
    .z-greeHero__eyebrow{display:inline-flex;align-items:center;gap:.7rem;color:#ffddd8;font-weight:900;font-size:1rem;margin-bottom:1rem;}
    .z-greeHero__eyebrow::before{content:"";width:42px;height:2px;background:#ff4a34;display:inline-block;}
    .z-greeHero__copy h2{margin:0 0 1rem;line-height:.96;font-size:clamp(3rem,6vw,5.8rem);letter-spacing:-.03em;text-shadow:0 10px 26px rgba(0,0,0,.16);}
    .z-greeHero__copy .z-line1{display:block;font-weight:950;}
    .z-greeHero__copy .z-line2{display:block;color:#ff5a43;font-weight:950;margin-top:.12em;}
    .z-greeHero__copy p{margin:0 0 1.6rem;font-size:clamp(1rem,1.5vw,1.32rem);line-height:1.95;color:rgba(255,255,255,.92);max-width:34ch;text-shadow:0 6px 18px rgba(0,0,0,.18);}
    .z-greeHero__threeBtns{display:grid;grid-template-columns:repeat(3,minmax(155px,1fr));gap:1rem;max-width:900px;}
    .z-greeHero__threeBtns a{display:flex;align-items:center;justify-content:center;min-height:78px;padding:1rem 1.2rem;border-radius:14px;background:#2f59b6;color:#fff;font-weight:900;font-size:1.02rem;border:1px solid rgba(255,255,255,.18);box-shadow:0 18px 34px -24px rgba(47,89,182,.62), inset 0 1px 0 rgba(255,255,255,.16);backdrop-filter:blur(4px);transition:transform .2s ease, background .2s ease;}
    .z-greeHero__threeBtns a:hover{transform:translateY(-2px);background:#274da0;}

    .z-greeHero__below{margin-top:1.35rem;display:flex;justify-content:flex-end;}
    .z-greeHero__dash{width:min(430px,100%);background:#fff;border:1px solid rgba(195,205,212,.95);border-radius:28px;padding:1.25rem;box-shadow:0 28px 44px -34px rgba(22,37,46,.22);}
    .z-greeHero__dashHead{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.15rem .1rem 1rem;border-bottom:1px solid rgba(195,205,212,.8);font-weight:950;color:#16252e;}
    .z-greeHero__online{display:inline-flex;align-items:center;gap:.55rem;color:#2e8b6b;font-weight:900;}
    .z-greeHero__online::before{content:"";width:10px;height:10px;border-radius:50%;background:#2e8b6b;box-shadow:0 0 0 6px rgba(46,139,107,.14);}
    .z-greeHero__metrics{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.1rem;}
    .z-greeHero__metric{position:relative;background:#fff;border:1px solid rgba(195,205,212,.82);border-radius:22px;padding:1rem 1.15rem;min-height:118px;overflow:hidden;}
    .z-greeHero__metric::after{content:"";position:absolute;inset:auto -14px -18px auto;width:92px;height:92px;border-radius:50%;opacity:.12;}
    .z-greeHero__metric h4{margin:0 0 .25rem;color:#657786;font-size:1rem;font-weight:850;}
    .z-greeHero__num{display:flex;align-items:flex-end;gap:.2rem;color:#16252e;font-weight:950;font-size:2.35rem;line-height:1;}
    .z-greeHero__num b{font-size:inherit;color:inherit;} .z-greeHero__num small{font-size:.9rem;margin-bottom:.38rem;font-weight:900;color:#657786;}
    .z-greeHero__metric--green .z-greeHero__num{color:#2e8b6b;} .z-greeHero__metric--green::after{background:#2e8b6b;}
    .z-greeHero__metric--red .z-greeHero__num{color:#ff4a34;} .z-greeHero__metric--red::after{background:#ff4a34;}
    .z-greeHero__metric--blue .z-greeHero__num{color:#3d6ee8;} .z-greeHero__metric--blue::after{background:#3d6ee8;}
    .z-greeHero__metric--teal .z-greeHero__num{color:#09999a;} .z-greeHero__metric--teal::after{background:#09999a;}
    .z-greeHero__chart{margin-top:1rem;background:#fff;border:1px solid rgba(195,205,212,.82);border-radius:24px;padding:1rem 1rem .85rem;}
    .z-greeHero__bars{height:108px;display:flex;align-items:flex-end;gap:.75rem;}
    .z-greeHero__bars span{flex:1;min-width:0;border-radius:14px 14px 4px 4px;background:linear-gradient(180deg,#0aa1a2,#087d80);box-shadow:inset 0 1px 0 rgba(255,255,255,.25);animation:zGreeBars 6s ease-in-out infinite;transform-origin:bottom;}
    .z-greeHero__bars span:nth-child(2),.z-greeHero__bars span:nth-child(5){background:linear-gradient(180deg,#3d9b71,#2e8b6b);height:68%;animation-delay:.25s;}
    .z-greeHero__bars span:nth-child(4),.z-greeHero__bars span:nth-child(6){background:linear-gradient(180deg,#ff4a34,#dc2e1e);height:74%;animation-delay:.45s;}
    .z-greeHero__bars span:nth-child(1){height:42%;} .z-greeHero__bars span:nth-child(2){height:64%;} .z-greeHero__bars span:nth-child(3){height:52%;animation-delay:.15s;} .z-greeHero__bars span:nth-child(4){height:82%;} .z-greeHero__bars span:nth-child(5){height:58%;} .z-greeHero__bars span:nth-child(6){height:72%;} .z-greeHero__bars span:nth-child(7){height:46%;animation-delay:.35s;}

    .z-greeHero[data-season="summer"] .z-greeHero__scene--winter{opacity:0;transform:scale(1);filter:saturate(.95) brightness(.98);}
    .z-greeHero[data-season="summer"] .z-greeHero__scene--summer{opacity:1;transform:scale(1.02);}
    .z-greeHero[data-season="summer"] .z-greeHero__snow{opacity:0;}
    .z-greeHero[data-season="summer"] .z-greeHero__sun{opacity:1;}

    @keyframes zGreeSnow{0%{transform:translate3d(0,-18vh,0) scale(.72);opacity:0}10%{opacity:var(--op)}78%{opacity:calc(var(--op) * .88)}100%{transform:translate3d(var(--drift),108vh,0) scale(1.16);opacity:0}}
    @keyframes zGreeBlizzard{0%{transform:translate3d(6%,-9%,0) skewX(-14deg)}100%{transform:translate3d(-20%,24%,0) skewX(-14deg)}}
    @keyframes zGreeSunPulse{0%,100%{transform:scale(1);opacity:.82}50%{transform:scale(1.08);opacity:1}}
    @keyframes zGreeSunSweep{0%,100%{transform:translateX(0) rotate(18deg);opacity:.24}50%{transform:translateX(8%) rotate(18deg);opacity:.58}}
    @keyframes zGreeBars{0%,100%{transform:scaleY(.94)}50%{transform:scaleY(1.06)}}

    @media (max-width:1100px){
      .z-greeHero__stage{min-height:620px;}
      .z-greeHero__overlay{min-height:620px;}
      .z-greeHero__copy{max-width:560px;}
    }
    @media (max-width:860px){
      .z-greeHero__stage{min-height:560px;}
      .z-greeHero__overlay{min-height:560px;align-items:flex-end;}
      .z-greeHero__copy{padding:2rem 0 2.5rem;}
      .z-greeHero__threeBtns{grid-template-columns:1fr;max-width:340px;}
      .z-greeHero__below{justify-content:center;}
      .z-greeHero__dash{width:min(520px,100%);}
      .z-greeHero__metrics{grid-template-columns:1fr;}
      .z-greeHero__sunCore{width:180px;height:180px;}
    }



    /* v18: full-bleed seasonal hero with report overlay */
    .z-greeReportHero{padding:0 0 2rem;background:transparent;}
    .z-greeReportHero__stage{position:relative;min-height:760px;overflow:hidden;border-radius:0;border:none;box-shadow:none;}
    .z-greeReportHero__scene,.z-greeReportHero__snow,.z-greeReportHero__sun,.z-greeReportHero__vignette{position:absolute;inset:0;pointer-events:none;}
    .z-greeReportHero__scene{background-size:cover;background-position:center center;transition:opacity 2.3s ease, transform 8s ease, filter 2.3s ease;}
    .z-greeReportHero__scene--winter{background-image:url('../images/zista-asset-86b67344335d.jpg');opacity:1;transform:scale(1.02);filter:saturate(.92) brightness(.99);}
    .z-greeReportHero__scene--summer{background-image:url('../images/zista-asset-46ecae125be8.jpg');opacity:0;transform:scale(1);filter:saturate(1.06) brightness(1.02);}
    .z-greeReportHero__snow{z-index:3;opacity:1;transition:opacity 1.6s ease;mix-blend-mode:screen;filter:drop-shadow(0 0 8px rgba(255,255,255,.35));}
    .z-greeReportHero__snow::before,.z-greeReportHero__snow::after{content:"";position:absolute;inset:-12% -12% -10% -4%;background:repeating-linear-gradient(121deg,rgba(255,255,255,.10) 0 4px,transparent 4px 34px);opacity:.4;animation:zReportBlizzard 8s linear infinite;}
    .z-greeReportHero__snow::after{opacity:.24;filter:blur(2px);animation-duration:13s;animation-direction:reverse;}
    .z-greeReportHero__snow span{position:absolute;left:calc(var(--x) * 1%);top:calc(var(--y) * 1%);width:var(--s);height:var(--s);border-radius:50%;background:rgba(255,255,255,var(--op));filter:blur(var(--blur));box-shadow:0 0 10px rgba(255,255,255,.56),0 0 26px rgba(255,255,255,.24);animation:zReportSnow var(--d) linear infinite;animation-delay:var(--delay);}
    .z-greeReportHero__sun{z-index:2;opacity:0;transition:opacity 1.8s ease;mix-blend-mode:screen;}
    .z-greeReportHero__sunCore{position:absolute;left:5%;top:12%;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle at 45% 45%,rgba(255,255,255,.95) 0 14%,rgba(255,224,128,.88) 32%,rgba(255,183,71,.34) 56%,transparent 78%);animation:zReportSunPulse 6s ease-in-out infinite;}
    .z-greeReportHero__beam{position:absolute;left:-4%;top:20%;width:55%;height:128px;border-radius:999px;background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,247,201,.46),rgba(255,255,255,0));filter:blur(5px);transform:rotate(18deg);opacity:.5;animation:zReportSunSweep 9s ease-in-out infinite;}
    .z-greeReportHero__beam--2{top:35%;width:58%;opacity:.34;animation-delay:.8s;}
    .z-greeReportHero__beam--3{top:51%;width:52%;opacity:.2;animation-delay:1.6s;}
    .z-greeReportHero__warmMist{position:absolute;inset:0;background:radial-gradient(680px 360px at 14% 72%,rgba(255,214,108,.22),transparent 60%),linear-gradient(115deg,rgba(255,248,210,.0) 14%,rgba(255,245,186,.26) 24%,rgba(255,255,255,0) 34%);}
    .z-greeReportHero__vignette{z-index:4;background:linear-gradient(90deg,rgba(10,23,34,.10) 0%,rgba(10,23,34,.02) 34%,rgba(10,23,34,.18) 100%);}
    .z-greeReportHero__overlay{position:relative;z-index:5;min-height:760px;display:flex;align-items:flex-end;justify-content:flex-end;padding-bottom:2rem;}

    .z-greeReportHero__report{width:min(960px,92%);margin-inline-start:auto;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.45);border-radius:28px;padding:1.6rem;box-shadow:0 32px 60px -40px rgba(22,37,46,.32);}
    .z-greeReportHero__reportHead{margin-bottom:1.2rem;}
    .z-greeReportHero__eyebrow{display:inline-flex;align-items:center;gap:.6rem;color:#ff4a34;font-weight:900;font-size:.96rem;margin-bottom:.65rem;}
    .z-greeReportHero__eyebrow::before{content:"";width:36px;height:2px;background:#ff4a34;display:inline-block;}
    .z-greeReportHero__reportHead h2{margin:0 0 .65rem;color:#16252e;font-size:clamp(1.8rem,3vw,3rem);line-height:1.18;font-weight:950;max-width:18ch;}
    .z-greeReportHero__reportHead p{margin:0;color:#5f6f7d;font-size:1rem;line-height:1.95;max-width:70ch;}

    .z-greeReportHero__cards{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.2rem;}
    .z-greeReportHero__card{background:rgba(255,255,255,.86);border:1px solid rgba(195,205,212,.9);border-radius:22px;padding:1.1rem 1.15rem;box-shadow:inset 0 1px 0 rgba(255,255,255,.65);}
    .z-greeReportHero__tag{display:inline-flex;align-items:center;justify-content:center;min-height:32px;padding:.2rem .8rem;border-radius:999px;background:rgba(47,89,182,.1);color:#2f59b6;font-size:.88rem;font-weight:900;margin-bottom:.7rem;}
    .z-greeReportHero__card h3{margin:0 0 .55rem;color:#16252e;font-size:1.3rem;font-weight:950;}
    .z-greeReportHero__card ul{margin:0;padding:0;list-style:none;display:grid;gap:.5rem;}
    .z-greeReportHero__card li{position:relative;padding-right:1rem;color:#5f6f7d;line-height:1.75;}
    .z-greeReportHero__card li::before{content:"";position:absolute;right:0;top:.72em;width:7px;height:7px;border-radius:50%;background:#2f59b6;transform:translateY(-50%);}

    .z-greeReportHero__stats{display:grid;grid-template-columns:repeat(4,1fr);gap:.85rem;margin-top:1rem;}
    .z-greeReportHero__stat{background:#fff;border:1px solid rgba(195,205,212,.9);border-radius:18px;padding:.95rem 1rem;display:flex;flex-direction:column;gap:.35rem;}
    .z-greeReportHero__stat strong{color:#16252e;font-size:1rem;font-weight:950;}
    .z-greeReportHero__stat span{color:#6b7b88;font-size:.92rem;line-height:1.6;}

    .z-greeReportHero[data-season="summer"] .z-greeReportHero__scene--winter{opacity:0;transform:scale(1);filter:saturate(.95) brightness(.98);}
    .z-greeReportHero[data-season="summer"] .z-greeReportHero__scene--summer{opacity:1;transform:scale(1.02);}
    .z-greeReportHero[data-season="summer"] .z-greeReportHero__snow{opacity:0;}
    .z-greeReportHero[data-season="summer"] .z-greeReportHero__sun{opacity:1;}

    @keyframes zReportSnow{0%{transform:translate3d(0,-18vh,0) scale(.72);opacity:0}10%{opacity:var(--op)}78%{opacity:calc(var(--op) * .88)}100%{transform:translate3d(var(--drift),108vh,0) scale(1.16);opacity:0}}
    @keyframes zReportBlizzard{0%{transform:translate3d(6%,-9%,0) skewX(-14deg)}100%{transform:translate3d(-20%,24%,0) skewX(-14deg)}}
    @keyframes zReportSunPulse{0%,100%{transform:scale(1);opacity:.82}50%{transform:scale(1.08);opacity:1}}
    @keyframes zReportSunSweep{0%,100%{transform:translateX(0) rotate(18deg);opacity:.24}50%{transform:translateX(8%) rotate(18deg);opacity:.58}}

    @media (max-width:1100px){
      .z-greeReportHero__stage{min-height:700px;}
      .z-greeReportHero__overlay{min-height:700px;}
      .z-greeReportHero__report{width:min(980px,94%);}
      .z-greeReportHero__stats{grid-template-columns:1fr 1fr;}
    }
    @media (max-width:860px){
      .z-greeReportHero__stage{min-height:740px;}
      .z-greeReportHero__overlay{min-height:740px;justify-content:center;padding-bottom:1.2rem;}
      .z-greeReportHero__cards{grid-template-columns:1fr;}
      .z-greeReportHero__stats{grid-template-columns:1fr;}
      .z-greeReportHero__report{width:min(100%,calc(100% - 1rem));padding:1rem;}
      .z-greeReportHero__sunCore{width:180px;height:180px;}
    }


    /* v19: corrected full photo hero + separate report below */
    .z-fixedSeasonHero{padding:0;background:#f7fafb;}
    .z-fixedSeasonHero__stage{position:relative;height:min(78vh,780px);min-height:620px;overflow:hidden;border-radius:0;margin:0;}
    .z-fixedSeasonHero__scene,.z-fixedSeasonHero__snow,.z-fixedSeasonHero__sun,.z-fixedSeasonHero__scrim{position:absolute;inset:0;pointer-events:none;}
    .z-fixedSeasonHero__scene{background-size:cover;background-position:center center;transition:opacity 2.2s ease, transform 8s ease, filter 2.2s ease;}
    .z-fixedSeasonHero__scene--winter{background-image:url('../images/zista-asset-1d3341c1fd4e.svg');opacity:1;transform:scale(1.02);filter:saturate(.92) brightness(.98);}
    .z-fixedSeasonHero__scene--summer{background-image:url('../images/zista-asset-e4129f366e7f.svg');opacity:0;transform:scale(1);filter:saturate(1.08) brightness(1.05);}
    .z-fixedSeasonHero__scrim{z-index:4;background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,0));}
    .z-fixedSeasonHero__snow{z-index:3;opacity:1;mix-blend-mode:screen;filter:drop-shadow(0 0 8px rgba(255,255,255,.36));transition:opacity 1.5s ease;}
    .z-fixedSeasonHero__snow::before,.z-fixedSeasonHero__snow::after{content:"";position:absolute;inset:-12% -14% -12% -6%;background:repeating-linear-gradient(121deg,rgba(255,255,255,.12) 0 5px,transparent 5px 34px);opacity:.55;animation:zFixedBlizzard 7.5s linear infinite;}
    .z-fixedSeasonHero__snow::after{opacity:.28;filter:blur(2px);animation-duration:12s;animation-direction:reverse;}
    .z-fixedSeasonHero__snow span{position:absolute;left:calc(var(--x) * 1%);top:calc(var(--y) * 1%);width:var(--s);height:var(--s);border-radius:50%;background:rgba(255,255,255,var(--op));filter:blur(var(--blur));box-shadow:0 0 10px rgba(255,255,255,.58),0 0 26px rgba(255,255,255,.26);animation:zFixedSnow var(--d) linear infinite;animation-delay:var(--delay);}
    .z-fixedSeasonHero__sun{z-index:2;opacity:0;transition:opacity 1.8s ease;mix-blend-mode:screen;}
    .z-fixedSeasonHero__sunCore{position:absolute;left:5%;top:12%;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle at 45% 45%,rgba(255,255,255,.95) 0 14%,rgba(255,224,128,.88) 32%,rgba(255,183,71,.34) 56%,transparent 78%);animation:zFixedSunPulse 6s ease-in-out infinite;}
    .z-fixedSeasonHero__beam{position:absolute;left:-4%;top:20%;width:55%;height:128px;border-radius:999px;background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,247,201,.46),rgba(255,255,255,0));filter:blur(5px);transform:rotate(18deg);opacity:.5;animation:zFixedSunSweep 9s ease-in-out infinite;}
    .z-fixedSeasonHero__beam--2{top:35%;width:58%;opacity:.34;animation-delay:.8s;}
    .z-fixedSeasonHero__beam--3{top:51%;width:52%;opacity:.2;animation-delay:1.6s;}
    .z-fixedSeasonHero[data-season="summer"] .z-fixedSeasonHero__scene--winter{opacity:0;transform:scale(1);}
    .z-fixedSeasonHero[data-season="summer"] .z-fixedSeasonHero__scene--summer{opacity:1;transform:scale(1.02);}
    .z-fixedSeasonHero[data-season="summer"] .z-fixedSeasonHero__snow{opacity:0;}
    .z-fixedSeasonHero[data-season="summer"] .z-fixedSeasonHero__sun{opacity:1;}

    @keyframes zFixedSnow{0%{transform:translate3d(0,-18vh,0) scale(.72);opacity:0}10%{opacity:var(--op)}82%{opacity:calc(var(--op) * .88)}100%{transform:translate3d(var(--drift),108vh,0) scale(1.16);opacity:0}}
    @keyframes zFixedBlizzard{0%{transform:translate3d(8%,-10%,0) skewX(-14deg)}100%{transform:translate3d(-22%,26%,0) skewX(-14deg)}}
    @keyframes zFixedSunPulse{0%,100%{transform:scale(1);opacity:.82}50%{transform:scale(1.08);opacity:1}}
    @keyframes zFixedSunSweep{0%,100%{transform:translateX(0) rotate(18deg);opacity:.24}50%{transform:translateX(8%) rotate(18deg);opacity:.58}}

    .z-heatReport{padding:clamp(3rem,6vw,5rem) 0;background:#f7fafb;}
    .z-heatReport__head{max-width:860px;margin:0 auto 2rem;text-align:center;}
    .z-heatReport__eyebrow{display:inline-flex;align-items:center;gap:.65rem;color:#ff4a34;font-weight:900;margin-bottom:.9rem;}
    .z-heatReport__eyebrow::before,.z-heatReport__eyebrow::after{content:"";width:38px;height:2px;background:#ff4a34;}
    .z-heatReport__head h2{margin:0 0 .7rem;color:#16252e;font-size:clamp(2rem,4vw,3.5rem);line-height:1.2;font-weight:950;}
    .z-heatReport__head p{margin:0;color:#5f6f7d;font-size:1.06rem;line-height:1.9;}
    .z-heatReport__cards{display:grid;grid-template-columns:1fr 1fr;gap:1rem;}
    .z-heatReport__card{background:#fff;border:1px solid rgba(195,205,212,.95);border-radius:24px;padding:1.35rem;box-shadow:0 22px 42px -36px rgba(22,37,46,.22);}
    .z-heatReport__tag{display:inline-flex;align-items:center;justify-content:center;min-height:32px;padding:.2rem .85rem;border-radius:999px;background:rgba(47,89,182,.1);color:#2f59b6;font-size:.9rem;font-weight:900;margin-bottom:.75rem;}
    .z-heatReport__card h3{margin:0 0 .65rem;color:#16252e;font-size:1.45rem;font-weight:950;}
    .z-heatReport__card ul{margin:0;padding:0;list-style:none;display:grid;gap:.55rem;}
    .z-heatReport__card li{position:relative;padding-right:1rem;color:#5f6f7d;line-height:1.75;}
    .z-heatReport__card li::before{content:"";position:absolute;right:0;top:.72em;width:7px;height:7px;border-radius:50%;background:#2f59b6;transform:translateY(-50%);}
    .z-heatReport__stats{display:grid;grid-template-columns:repeat(4,1fr);gap:.85rem;margin-top:1rem;}
    .z-heatReport__stats div{background:#fff;border:1px solid rgba(195,205,212,.95);border-radius:18px;padding:1rem;display:flex;flex-direction:column;gap:.35rem;}
    .z-heatReport__stats strong{color:#16252e;font-weight:950;}
    .z-heatReport__stats span{color:#6b7b88;font-size:.92rem;line-height:1.6;}
    @media (max-width:900px){
      .z-fixedSeasonHero__stage{height:68vh;min-height:520px;}
      .z-heatReport__cards,.z-heatReport__stats{grid-template-columns:1fr;}
    }


    /* v20: real-photo seasonal hero with on-image tabs + info */
    .z-realSeasonHero{padding:0;background:#f5f8fa;}
    .z-realSeasonHero__stage{position:relative;min-height:720px;height:min(84vh,860px);overflow:hidden;}
    .z-realSeasonHero__scene,
    .z-realSeasonHero__warmGlow,
    .z-realSeasonHero__snow,
    .z-realSeasonHero__shade{position:absolute;inset:0;pointer-events:none;}
    .z-realSeasonHero__scene{background-size:cover;background-position:center center;transition:opacity 2s ease, transform 8s ease, filter 2s ease;}
    .z-realSeasonHero__scene--winter{background-image:url('../images/zista-asset-ccc9d6ee7928.jpg');opacity:1;transform:scale(1.04);filter:saturate(.92) brightness(.92);}
    .z-realSeasonHero__scene--summer{background-image:url('../images/zista-asset-0b66a410d8da.jpg');opacity:0;transform:scale(1);filter:saturate(1.05) brightness(1.03);}opacity:0;transform:scale(1);filter:saturate(1.08) brightness(1.06);}
    .z-realSeasonHero__warmGlow{opacity:0;background:
      radial-gradient(circle at 14% 18%, rgba(255,239,165,.78) 0 7%, rgba(255,239,165,.38) 7% 14%, transparent 24%),
      linear-gradient(115deg, rgba(255,243,196,.52) 8%, rgba(255,243,196,0) 42%),
      linear-gradient(180deg, rgba(255,194,102,.12), rgba(255,194,102,0));
      transition:opacity 1.8s ease;mix-blend-mode:screen;}
    .z-realSeasonHero__shade{background:linear-gradient(180deg, rgba(10,18,26,.15) 0%, rgba(10,18,26,.05) 26%, rgba(10,18,26,.22) 100%);}
    .z-realSeasonHero__snow{z-index:2;opacity:1;transition:opacity 1.2s ease;mix-blend-mode:screen;filter:drop-shadow(0 0 8px rgba(255,255,255,.28));}
    .z-realSeasonHero__snow::before,.z-realSeasonHero__snow::after{content:"";position:absolute;inset:-10% -14% -10% -6%;background:repeating-linear-gradient(122deg, rgba(255,255,255,.10) 0 6px, transparent 6px 34px);opacity:.48;animation:zHeroBlizzard 7.6s linear infinite;}
    .z-realSeasonHero__snow::after{opacity:.22;filter:blur(2px);animation-duration:11s;animation-direction:reverse;}
    .z-realSeasonHero__snow span{position:absolute;left:calc(var(--x) * 1%);top:calc(var(--y) * 1%);width:var(--s);height:var(--s);border-radius:50%;background:rgba(255,255,255,var(--op));filter:blur(var(--blur));box-shadow:0 0 10px rgba(255,255,255,.65), 0 0 20px rgba(255,255,255,.22);animation:zHeroSnow var(--d) linear infinite;animation-delay:var(--delay);}
    .z-realSeasonHero__wrap{position:relative;z-index:4;height:100%;display:flex;align-items:flex-end;justify-content:center;padding-bottom:clamp(1.5rem,4vw,3.1rem);}
    .z-realSeasonHero__panel{width:min(1180px, 94vw);padding:1.15rem;border-radius:30px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 26px 60px rgba(7,18,32,.18);}
    .z-realSeasonHero__tabs{display:flex;gap:.9rem;flex-wrap:wrap;justify-content:center;margin-bottom:1rem;}
    .z-realSeasonHero__tab{appearance:none;border:0;border-radius:18px;min-width:180px;padding:.95rem 1.35rem;background:rgba(47,89,182,.82);color:#fff;font-weight:900;font-size:1.02rem;cursor:pointer;box-shadow:0 16px 28px rgba(47,89,182,.18);transition:transform .2s ease, background .2s ease, box-shadow .2s ease;}
    .z-realSeasonHero__tab:hover{transform:translateY(-2px);}
    .z-realSeasonHero__tab.is-active{background:#2f59b6;box-shadow:0 18px 34px rgba(47,89,182,.28);}
    .z-realSeasonHero__content{display:grid;grid-template-columns:1.15fr .95fr;gap:1rem;align-items:stretch;}
    .z-realSeasonHero__copy,
    .z-realSeasonHero__info{background:rgba(255,255,255,.74);border:1px solid rgba(255,255,255,.65);border-radius:24px;padding:1.35rem 1.5rem;backdrop-filter:blur(6px);}
    .z-realSeasonHero__eyebrow{display:inline-flex;align-items:center;gap:.5rem;color:#ff5a3c;font-weight:900;font-size:.95rem;margin-bottom:.65rem;}
    .z-realSeasonHero__eyebrow::before{content:"";width:34px;height:2px;background:#ff5a3c;}
    .z-realSeasonHero__copy h2{margin:0 0 .7rem;color:#13232e;font-size:clamp(1.9rem,4vw,3.15rem);line-height:1.15;font-weight:950;}
    .z-realSeasonHero__copy p{margin:0;color:#576775;font-size:1.08rem;line-height:1.95;}
    .z-realSeasonHero__bullets{margin:0;padding:0;list-style:none;display:grid;gap:.7rem;}
    .z-realSeasonHero__bullets li{position:relative;padding-right:1.15rem;color:#485a69;font-size:1rem;line-height:1.85;font-weight:700;}
    .z-realSeasonHero__bullets li::before{content:"";position:absolute;right:0;top:.85em;width:8px;height:8px;border-radius:50%;background:#2f59b6;transform:translateY(-50%);}
    .z-realSeasonHero__stats{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1rem;}
    .z-realSeasonHero__stats span{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.7rem 1rem;border-radius:999px;background:rgba(47,89,182,.08);border:1px solid rgba(47,89,182,.16);color:#233647;font-weight:900;font-size:.96rem;}

    .z-realSeasonHero[data-season="summer"] .z-realSeasonHero__scene--winter{opacity:0;visibility:hidden;transform:scale(1);}
    .z-realSeasonHero[data-season="summer"] .z-realSeasonHero__scene--summer{opacity:1;transform:scale(1.03);}
    .z-realSeasonHero[data-season="summer"] .z-realSeasonHero__warmGlow{opacity:1;}
    .z-realSeasonHero[data-season="summer"] .z-realSeasonHero__shade{background:linear-gradient(180deg, rgba(10,18,26,.04) 0%, rgba(10,18,26,.02) 32%, rgba(10,18,26,.14) 100%);}
    .z-realSeasonHero[data-season="summer"] .z-realSeasonHero__snow{opacity:0;visibility:hidden;}

    @keyframes zHeroSnow{0%{transform:translate3d(0,-18vh,0) scale(.72);opacity:0}10%{opacity:var(--op)}82%{opacity:calc(var(--op) * .88)}100%{transform:translate3d(var(--drift),108vh,0) scale(1.16);opacity:0}}
    @keyframes zHeroBlizzard{0%{transform:translate3d(8%,-10%,0) skewX(-14deg)}100%{transform:translate3d(-22%,26%,0) skewX(-14deg)}}

    @media (max-width: 980px){
      .z-realSeasonHero__stage{min-height:780px;height:auto;}
      .z-realSeasonHero__content{grid-template-columns:1fr;}
      .z-realSeasonHero__tab{min-width:unset;flex:1 1 170px;}
    }
    @media (max-width: 640px){
      .z-realSeasonHero__stage{min-height:860px;}
      .z-realSeasonHero__panel{padding:.9rem;border-radius:24px;}
      .z-realSeasonHero__copy,
      .z-realSeasonHero__info{padding:1rem 1rem 1.1rem;}
      .z-realSeasonHero__copy h2{font-size:1.6rem;}
      .z-realSeasonHero__copy p,
      .z-realSeasonHero__bullets li{font-size:.95rem;}
    }



    /* v22: stabilize hero info box and make season transition gradual */
    .z-realSeasonHero__panel{
      min-height: 360px;
      display: flex;
      flex-direction: column;
      justify-content: flex-start;
      transition: none !important;
    }
    .z-realSeasonHero__tabs{
      flex: 0 0 auto;
    }
    .z-realSeasonHero__content{
      flex: 1 1 auto;
      min-height: 250px;
      align-items: stretch;
    }
    .z-realSeasonHero__copy,
    .z-realSeasonHero__info{
      min-height: 250px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .z-realSeasonHero__copy h2{
      min-height: 1.2em;
    }
    .z-realSeasonHero__copy p{
      min-height: 4.9em;
    }
    .z-realSeasonHero__bullets{
      min-height: 6.2em;
    }
    .z-realSeasonHero__stats{
      min-height: 56px;
      align-content: flex-start;
    }

    /* Much smoother season change */
    .z-realSeasonHero__scene{
      transition:
        opacity 6.2s ease-in-out,
        visibility 6.2s ease-in-out,
        transform 12s ease-in-out,
        filter 6.2s ease-in-out !important;
    }
    .z-realSeasonHero__snow{
      transition:
        opacity 5.8s ease-in-out,
        visibility 5.8s ease-in-out !important;
    }
    .z-realSeasonHero__warmGlow{
      transition: opacity 6.4s ease-in-out !important;
    }
    .z-realSeasonHero[data-season="summer"] .z-realSeasonHero__scene--winter{
      opacity:0;
      visibility:hidden;
      transform:scale(1);
    }
    .z-realSeasonHero[data-season="summer"] .z-realSeasonHero__scene--summer{
      opacity:1;
      visibility:visible;
      transform:scale(1.025);
    }
    .z-realSeasonHero[data-season="summer"] .z-realSeasonHero__snow{
      opacity:0;
      visibility:hidden;
    }
    .z-realSeasonHero[data-season="winter"] .z-realSeasonHero__scene--winter{
      opacity:1;
      visibility:visible;
    }
    .z-realSeasonHero[data-season="winter"] .z-realSeasonHero__scene--summer{
      opacity:0;
      visibility:hidden;
    }

    @media (max-width: 980px){
      .z-realSeasonHero__panel{min-height:auto;}
      .z-realSeasonHero__content{min-height:auto;}
      .z-realSeasonHero__copy,
      .z-realSeasonHero__info{min-height:auto;}
      .z-realSeasonHero__copy p,
      .z-realSeasonHero__bullets,
      .z-realSeasonHero__stats{min-height:auto;}
    }



    /* v23: bilingual heat-pump hero text alignment */
    html[data-lang="en"] .z-realSeasonHero__content{
      direction:ltr;
      text-align:left;
    }
    html[data-lang="en"] .z-realSeasonHero__bullets li{
      padding-right:0;
      padding-left:1.15rem;
    }
    html[data-lang="en"] .z-realSeasonHero__bullets li::before{
      right:auto;
      left:0;
    }
    html[data-lang="en"] .z-realSeasonHero__eyebrow::before{
      order:0;
    }



    /* v24: show the season image fully; move the information box below the image */
    .z-realSeasonHero{
      background:#f5f8fa;
    }
    .z-realSeasonHero__stage{
      min-height:560px !important;
      height:min(78vh,760px) !important;
      overflow:hidden;
      position:relative;
    }
    .z-realSeasonHero__wrap--below{
      position:relative !important;
      z-index:5 !important;
      height:auto !important;
      min-height:0 !important;
      display:block !important;
      padding-top:clamp(1.5rem,3vw,2.4rem) !important;
      padding-bottom:clamp(2.5rem,5vw,4rem) !important;
    }
    .z-realSeasonHero__wrap--below .z-realSeasonHero__panel{
      width:min(1180px,100%) !important;
      margin:0 auto !important;
      background:rgba(255,255,255,.92) !important;
      border:1px solid rgba(195,205,212,.95) !important;
      backdrop-filter:none !important;
      -webkit-backdrop-filter:none !important;
      box-shadow:0 24px 45px -36px rgba(22,37,46,.32) !important;
    }
    .z-realSeasonHero__wrap--below .z-realSeasonHero__copy,
    .z-realSeasonHero__wrap--below .z-realSeasonHero__info{
      background:#fff !important;
      backdrop-filter:none !important;
      -webkit-backdrop-filter:none !important;
    }
    @media (max-width:980px){
      .z-realSeasonHero__stage{
        min-height:480px !important;
        height:62vh !important;
      }
      .z-realSeasonHero__wrap--below{
        padding-top:1.25rem !important;
      }
    }
    @media (max-width:640px){
      .z-realSeasonHero__stage{
        min-height:390px !important;
        height:52vh !important;
      }
    }


    /* v25: stronger but smoother season transition */
    .z-realSeasonHero{
      --z-season-transition: 8.5s;
      --z-season-long-transition: 10.5s;
    }
    .z-realSeasonHero__stage{
      position: relative;
      isolation: isolate;
      overflow: hidden;
    }
    .z-realSeasonHero__stage::after{
      content:"";
      position:absolute;
      inset:0;
      z-index:2;
      pointer-events:none;
      opacity:.42;
      background:
        linear-gradient(180deg, rgba(162,191,214,.28) 0%, rgba(201,220,233,.08) 38%, rgba(201,220,233,.16) 100%),
        radial-gradient(circle at 12% 12%, rgba(220,238,248,.32) 0 16%, transparent 34%);
      transition:
        opacity var(--z-season-transition) ease-in-out,
        background var(--z-season-transition) ease-in-out,
        filter var(--z-season-transition) ease-in-out;
      filter:saturate(.95);
    }
    .z-realSeasonHero__scene{
      transition:
        opacity var(--z-season-transition) ease-in-out,
        visibility var(--z-season-transition) ease-in-out,
        transform var(--z-season-long-transition) ease-in-out,
        filter var(--z-season-transition) ease-in-out !important;
      will-change: opacity, transform, filter;
    }
    .z-realSeasonHero__scene--winter{
      filter: saturate(.78) brightness(.96) contrast(1.03);
      transform: scale(1.045);
    }
    .z-realSeasonHero__scene--summer{
      filter: saturate(1.15) brightness(1.06) contrast(1.02);
      transform: scale(1.015);
    }
    .z-realSeasonHero__warmGlow{
      opacity:0;
      transition:
        opacity var(--z-season-transition) ease-in-out,
        transform var(--z-season-long-transition) ease-in-out !important;
      transform: scale(1.03);
      background:
        radial-gradient(circle at 14% 16%, rgba(255, 233, 147, .88) 0 7%, rgba(255,233,147,.22) 7% 16%, transparent 28%),
        radial-gradient(circle at 72% 22%, rgba(255, 208, 120, .18), transparent 22%),
        linear-gradient(120deg, rgba(255, 211, 116, .22), rgba(255, 211, 116, 0) 44%);
      mix-blend-mode: screen;
    }
    .z-realSeasonHero__snow{
      transition:
        opacity var(--z-season-transition) ease-in-out,
        visibility var(--z-season-transition) ease-in-out,
        filter var(--z-season-transition) ease-in-out !important;
      filter: blur(.15px);
    }
    .z-realSeasonHero[data-season="winter"] .z-realSeasonHero__scene--winter{
      opacity:1;
      visibility:visible;
      transform:scale(1.05);
      filter: saturate(.76) brightness(.95) contrast(1.04);
    }
    .z-realSeasonHero[data-season="winter"] .z-realSeasonHero__scene--summer{
      opacity:0;
      visibility:hidden;
      transform:scale(1.01);
      filter: saturate(1.02) brightness(1.02);
    }
    .z-realSeasonHero[data-season="winter"] .z-realSeasonHero__snow{
      opacity:1;
      visibility:visible;
      filter: blur(.18px);
    }
    .z-realSeasonHero[data-season="winter"] .z-realSeasonHero__warmGlow{
      opacity:0;
      transform:scale(1.02);
    }
    .z-realSeasonHero[data-season="winter"] .z-realSeasonHero__stage::after{
      opacity:.46;
      filter:saturate(.92);
      background:
        linear-gradient(180deg, rgba(154,186,210,.32) 0%, rgba(198,221,236,.12) 40%, rgba(198,221,236,.18) 100%),
        radial-gradient(circle at 15% 12%, rgba(229,240,248,.30) 0 15%, transparent 34%);
    }
    .z-realSeasonHero[data-season="summer"] .z-realSeasonHero__scene--winter{
      opacity:0;
      visibility:hidden;
      transform:scale(1.015);
      filter: saturate(.92) brightness(1.01);
    }
    .z-realSeasonHero[data-season="summer"] .z-realSeasonHero__scene--summer{
      opacity:1;
      visibility:visible;
      transform:scale(1.055);
      filter: saturate(1.2) brightness(1.08) contrast(1.02);
    }
    .z-realSeasonHero[data-season="summer"] .z-realSeasonHero__snow{
      opacity:0;
      visibility:hidden;
      filter: blur(1px);
    }
    .z-realSeasonHero[data-season="summer"] .z-realSeasonHero__warmGlow{
      opacity:1;
      transform:scale(1.08);
    }
    .z-realSeasonHero[data-season="summer"] .z-realSeasonHero__stage::after{
      opacity:.3;
      filter:saturate(1.08);
      background:
        linear-gradient(180deg, rgba(255,222,153,.10) 0%, rgba(255,232,181,.04) 36%, rgba(255,224,150,.14) 100%),
        radial-gradient(circle at 10% 14%, rgba(255,237,163,.46) 0 12%, rgba(255,237,163,.10) 12% 23%, transparent 38%),
        radial-gradient(circle at 84% 16%, rgba(255,214,140,.10), transparent 25%);
    }


    /* v26 standalone logo update */
    .z-logo-badge,
    .z-brand__txt{
      display:none !important;
    }
    .z-brand__logo{
      display:block;
      height:56px;
      width:auto;
      max-width:min(32vw,220px);
      object-fit:contain;
      border-radius:10px;
      box-shadow:0 10px 24px -18px rgba(22,37,46,.35);
    }
    @media (max-width:980px){
      .z-brand__logo{height:50px;max-width:180px;}
    }
    @media (max-width:640px){
      .z-header__inner{min-height:70px;}
      .z-brand__logo{height:42px;max-width:140px;}
    }



/* v27: uploaded ZISTA logo */
.z-brand { gap:0; }
.z-brand__img { display:block; width:auto; height:44px; max-width:min(220px,42vw); object-fit:contain; }
@media (max-width:640px){ .z-brand__img{ height:38px; max-width:150px; } }

/* v27: four-season hero (winter, spring, summer, autumn) */
.z-realSeasonHero__scene--spring,.z-realSeasonHero__scene--autumn { background-image:url('../images/zista-asset-0b66a410d8da.jpg'); opacity:0; visibility:hidden; }
.z-realSeasonHero__scene--winter,.z-realSeasonHero__scene--spring,.z-realSeasonHero__scene--summer,.z-realSeasonHero__scene--autumn { opacity:0; visibility:hidden; transform:scale(1.015); }
.z-realSeasonHero__scene::after { content:""; position:absolute; inset:0; background:transparent; transition:opacity 5s ease, background 5s ease; }
.z-realSeasonHero__scene--winter { filter:saturate(.82) brightness(.86) hue-rotate(-8deg); }
.z-realSeasonHero__scene--winter::after { background:linear-gradient(180deg, rgba(210,228,255,.12), rgba(162,191,220,.10) 40%, rgba(60,85,110,.22) 100%); }
.z-realSeasonHero__scene--spring { filter:saturate(1.02) brightness(1.03) hue-rotate(-6deg); }
.z-realSeasonHero__scene--spring::after { background:linear-gradient(180deg, rgba(229,255,233,.08), rgba(255,227,238,.08) 52%, rgba(107,167,108,.10) 100%); }
.z-realSeasonHero__scene--summer { filter:saturate(1.14) brightness(1.08) sepia(.06) hue-rotate(-8deg); }
.z-realSeasonHero__scene--summer::after { background:linear-gradient(180deg, rgba(255,241,182,.10), rgba(255,220,116,.06) 42%, rgba(255,179,64,.06) 100%); }
.z-realSeasonHero__scene--autumn { filter:saturate(1.06) brightness(.97) sepia(.28) hue-rotate(-24deg); }
.z-realSeasonHero__scene--autumn::after { background:linear-gradient(180deg, rgba(255,214,161,.12), rgba(220,132,59,.10) 48%, rgba(134,78,36,.18) 100%); }
.z-realSeasonHero__springFX,.z-realSeasonHero__autumnFX { position:absolute; inset:0; pointer-events:none; z-index:4; opacity:0; visibility:hidden; transition:opacity 4.2s ease, visibility 4.2s ease; }
.z-realSeasonHero__springFX::before,.z-realSeasonHero__autumnFX::before { content:""; position:absolute; inset:0; background:radial-gradient(circle at 8% 14%, rgba(255,255,255,.38) 0 2px, transparent 5px), radial-gradient(circle at 91% 12%, rgba(255,255,255,.28) 0 2px, transparent 5px), linear-gradient(180deg, rgba(255,255,255,.06), transparent 45%); opacity:.7; }
.z-realSeasonHero__springFX span,.z-realSeasonHero__autumnFX span { position:absolute; top:-8%; left:calc(var(--x) * 1%); width:var(--size); height:var(--size); animation:zSeasonFloat var(--dur) linear infinite; animation-delay:var(--delay); opacity:.85; }
.z-realSeasonHero__springFX span { border-radius:60% 40% 58% 42% / 52% 43% 57% 48%; background:radial-gradient(circle at 32% 30%, rgba(255,255,255,.95) 0 22%, rgba(255,217,233,.98) 23% 74%, rgba(244,165,197,.95) 75% 100%); box-shadow:0 0 10px rgba(255,192,221,.45); }
.z-realSeasonHero__autumnFX span { border-radius:55% 45% 60% 40% / 40% 55% 45% 60%; background:linear-gradient(135deg, #ffcd5c 0%, #ff8a3d 48%, #c84e2a 100%); box-shadow:0 0 10px rgba(255,145,66,.34); transform-origin:center; }
@keyframes zSeasonFloat { 0% { transform:translate3d(0,-8vh,0) rotate(0deg) scale(.9); opacity:0; } 12% { opacity:.88; } 100% { transform:translate3d(var(--drift),112vh,0) rotate(300deg) scale(1.08); opacity:0; } }
.z-realSeasonHero[data-season="winter"] .z-realSeasonHero__scene--winter,.z-realSeasonHero[data-season="winter"] .z-realSeasonHero__scene--spring,.z-realSeasonHero[data-season="summer"] .z-realSeasonHero__scene--summer,.z-realSeasonHero[data-season="autumn"] .z-realSeasonHero__scene--autumn { opacity:1; visibility:visible; transform:scale(1.03); }
.z-realSeasonHero[data-season="winter"] .z-realSeasonHero__snow { opacity:1; visibility:visible; }
.z-realSeasonHero[data-season="winter"] .z-realSeasonHero__snow,.z-realSeasonHero[data-season="summer"] .z-realSeasonHero__snow,.z-realSeasonHero[data-season="autumn"] .z-realSeasonHero__snow { opacity:0; visibility:hidden; }
.z-realSeasonHero[data-season="winter"] .z-realSeasonHero__springFX { opacity:1; visibility:visible; }
.z-realSeasonHero[data-season="autumn"] .z-realSeasonHero__autumnFX { opacity:1; visibility:visible; }
.z-realSeasonHero[data-season="winter"] .z-realSeasonHero__warmGlow { opacity:.06; }
.z-realSeasonHero[data-season="winter"] .z-realSeasonHero__warmGlow { opacity:.34; background:radial-gradient(circle at 20% 16%, rgba(255,232,188,.44), rgba(255,232,188,0) 40%), radial-gradient(circle at 82% 12%, rgba(255,195,224,.26), rgba(255,195,224,0) 28%), radial-gradient(circle at 50% 0%, rgba(204,255,209,.16), rgba(204,255,209,0) 35%); }
.z-realSeasonHero[data-season="summer"] .z-realSeasonHero__warmGlow { opacity:.9; }
.z-realSeasonHero[data-season="autumn"] .z-realSeasonHero__warmGlow { opacity:.55; background:radial-gradient(circle at 18% 12%, rgba(255,214,135,.55), rgba(255,214,135,0) 38%), radial-gradient(circle at 84% 18%, rgba(235,134,64,.32), rgba(235,134,64,0) 30%), radial-gradient(circle at 55% 0%, rgba(255,234,185,.14), rgba(255,234,185,0) 34%); }
.z-realSeasonHero[data-season="winter"] .z-realSeasonHero__shade { background:linear-gradient(180deg, rgba(10,18,26,.08) 0%, rgba(10,18,26,.04) 38%, rgba(10,18,26,.22) 100%); }
.z-realSeasonHero[data-season="winter"] .z-realSeasonHero__shade { background:linear-gradient(180deg, rgba(10,18,26,.03) 0%, rgba(10,18,26,.02) 30%, rgba(10,18,26,.13) 100%); }
.z-realSeasonHero[data-season="summer"] .z-realSeasonHero__shade { background:linear-gradient(180deg, rgba(10,18,26,.03) 0%, rgba(10,18,26,.01) 30%, rgba(10,18,26,.14) 100%); }
.z-realSeasonHero[data-season="autumn"] .z-realSeasonHero__shade { background:linear-gradient(180deg, rgba(10,18,26,.04) 0%, rgba(10,18,26,.03) 34%, rgba(10,18,26,.18) 100%); }



/* v28: Autumn orange/red leaves + spring pale pink blossoms */
.z-realSeasonHero__springFX span{
  border-radius:62% 38% 58% 42% / 52% 46% 54% 48% !important;
  background:radial-gradient(circle at 34% 28%, rgba(255,255,255,.98) 0 18%, rgba(255,241,247,.98) 19% 44%, rgba(255,223,235,.98) 45% 76%, rgba(245,193,214,.96) 77% 100%) !important;
  box-shadow:0 0 12px rgba(255,206,226,.55), 0 0 2px rgba(255,255,255,.9) inset !important;
  opacity:.92 !important;
}
.z-realSeasonHero__springFX span:nth-child(3n){
  background:radial-gradient(circle at 34% 28%, rgba(255,255,255,.98) 0 18%, rgba(255,244,249,.98) 19% 46%, rgba(255,230,239,.98) 47% 78%, rgba(248,205,223,.96) 79% 100%) !important;
}
.z-realSeasonHero__springFX span:nth-child(4n){
  background:radial-gradient(circle at 36% 30%, rgba(255,255,255,.98) 0 18%, rgba(255,238,245,.98) 19% 42%, rgba(255,219,232,.98) 43% 75%, rgba(241,183,206,.96) 76% 100%) !important;
}
.z-realSeasonHero__springFX::before{
  background:
    radial-gradient(circle at 10% 15%, rgba(255,255,255,.36) 0 2px, transparent 5px),
    radial-gradient(circle at 90% 12%, rgba(255,255,255,.28) 0 2px, transparent 5px),
    linear-gradient(180deg, rgba(255,245,250,.10), transparent 45%) !important;
}

.z-realSeasonHero__autumnFX span{
  border-radius:72% 28% 70% 30% / 28% 68% 32% 72% !important;
  box-shadow:0 0 12px rgba(190,82,30,.30) !important;
  opacity:.94 !important;
}
.z-realSeasonHero__autumnFX span:nth-child(4n+1){
  background:linear-gradient(135deg, #ffd26d 0%, #ff9b3d 42%, #e05b2a 100%) !important;
}
.z-realSeasonHero__autumnFX span:nth-child(4n+2){
  background:linear-gradient(135deg, #ffb347 0%, #ff7a2f 46%, #c83d1f 100%) !important;
}
.z-realSeasonHero__autumnFX span:nth-child(4n+3){
  background:linear-gradient(135deg, #ff914d 0%, #f15a29 45%, #b11f1f 100%) !important;
}
.z-realSeasonHero__autumnFX span:nth-child(4n){
  background:linear-gradient(135deg, #ffcc6a 0%, #ff8c42 38%, #d93a2f 100%) !important;
}
.z-realSeasonHero__autumnFX::before{
  background:
    radial-gradient(circle at 12% 14%, rgba(255,219,180,.18) 0 2px, transparent 5px),
    radial-gradient(circle at 88% 12%, rgba(255,237,210,.12) 0 2px, transparent 5px),
    linear-gradient(180deg, rgba(255,214,170,.08), transparent 45%) !important;
}



/* v29: explicit blossom petals and autumn leaves */
.z-realSeasonHero__springFX,
.z-realSeasonHero__autumnFX{overflow:hidden;}
.z-realSeasonHero__springFX span,
.z-realSeasonHero__autumnFX span{
  background-color: transparent !important;
  background-repeat:no-repeat !important;
  background-position:center center !important;
  background-size:contain !important;
  border-radius:0 !important;
  box-shadow:none !important;
  will-change:transform, opacity;
}
.z-realSeasonHero__springFX span{
  background-image:url("../images/zista-asset-012dfa1a67c4.svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><defs><radialGradient id='g' cx='50%25' cy='42%25' r='62%25'><stop offset='0%25' stop-color='%23fffdfd'/><stop offset='38%25' stop-color='%23ffeaf2'/><stop offset='78%25' stop-color='%23f7bfd2'/><stop offset='100%25' stop-color='%23ee9fbe'/></radialGradient></defs><g fill='url(%23g)'><path d='M50 52 C30 44 20 25 28 12 C39 -4 57 7 50 28 C43 7 61 -4 72 12 C80 25 70 44 50 52 Z'/><path d='M52 50 C72 42 91 48 95 64 C99 82 81 91 65 76 C78 89 72 99 55 95 C38 91 42 73 52 50 Z'/><path d='M48 50 C28 42 9 48 5 64 C1 82 19 91 35 76 C22 89 28 99 45 95 C62 91 58 73 48 50 Z'/><path d='M50 48 C42 67 27 80 12 76 C-4 72 0 53 22 45 C3 51 -2 35 11 26 C24 17 38 30 50 48 Z'/><path d='M50 48 C58 67 73 80 88 76 C104 72 100 53 78 45 C97 51 102 35 89 26 C76 17 62 30 50 48 Z'/></g><circle cx='50' cy='50' r='7.5' fill='%23f2b7c9'/><circle cx='50' cy='50' r='2.5' fill='%23f7d86a'/></svg>") !important;
  filter:drop-shadow(0 0 8px rgba(255,194,222,.32));
  opacity:.95 !important;
}
.z-realSeasonHero__autumnFX span{
  background-image:url("../images/zista-asset-f1f17bf69bad.svg") !important;
  filter:drop-shadow(0 0 8px rgba(167,78,30,.24));
  opacity:.96 !important;
}
.z-realSeasonHero__springFX span:nth-child(odd),
.z-realSeasonHero__autumnFX span:nth-child(odd){animation-duration:12s !important;}
.z-realSeasonHero__springFX span:nth-child(3n),
.z-realSeasonHero__autumnFX span:nth-child(3n){animation-duration:14s !important;}
.z-realSeasonHero__springFX::before{
  background:radial-gradient(circle at 10% 15%, rgba(255,255,255,.34) 0 2px, transparent 5px), radial-gradient(circle at 88% 12%, rgba(255,255,255,.24) 0 2px, transparent 5px), linear-gradient(180deg, rgba(255,240,248,.11), transparent 45%) !important;
}
.z-realSeasonHero__autumnFX::before{
  background:radial-gradient(circle at 12% 14%, rgba(255,235,210,.16) 0 2px, transparent 5px), radial-gradient(circle at 88% 12%, rgba(255,229,200,.10) 0 2px, transparent 5px), linear-gradient(180deg, rgba(255,214,170,.08), transparent 45%) !important;
}



/* v30: final override — prevent the old gradient square from overriding the leaf */
.z-realSeasonHero__autumnFX span,
.z-realSeasonHero__autumnFX span:nth-child(n),
.z-realSeasonHero__autumnFX span:nth-child(2n),
.z-realSeasonHero__autumnFX span:nth-child(3n),
.z-realSeasonHero__autumnFX span:nth-child(4n),
.z-realSeasonHero__autumnFX span:nth-child(4n+1),
.z-realSeasonHero__autumnFX span:nth-child(4n+2),
.z-realSeasonHero__autumnFX span:nth-child(4n+3){
  background: transparent url("../images/zista-asset-74ec1105db20.svg") center / contain no-repeat !important;
  background-color: transparent !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  filter: drop-shadow(0 5px 7px rgba(120,45,20,.25)) !important;
  opacity: .96 !important;
  width: calc(var(--size) * 1.15) !important;
  height: calc(var(--size) * 1.15) !important;
}
.z-realSeasonHero__autumnFX span:nth-child(odd){
  transform-origin:center !important;
  filter: drop-shadow(0 5px 8px rgba(170,50,30,.28)) saturate(1.15) !important;
}



/* Final override: keep only winter and summer */
.z-realSeasonHero__scene--spring,
.z-realSeasonHero__scene--autumn,
.z-realSeasonHero__springFX,
.z-realSeasonHero__autumnFX{
  display:none !important;
  opacity:0 !important;
  visibility:hidden !important;
}

/* Slower, smoother season transition */
.z-realSeasonHero,
.z-realSeasonHero__scene,
.z-realSeasonHero__snow,
.z-realSeasonHero__warmGlow,
.z-realSeasonHero__stage::after{
  transition-duration: 5.5s !important;
  transition-timing-function: ease-in-out !important;
}

/* Strong winter snow */
.z-realSeasonHero__snow{
  z-index:4 !important;
  mix-blend-mode:screen !important;
  filter:drop-shadow(0 0 10px rgba(255,255,255,.42)) !important;
}
.z-realSeasonHero__snow::before,
.z-realSeasonHero__snow::after{
  opacity:.72 !important;
  background:repeating-linear-gradient(122deg, rgba(255,255,255,.16) 0 7px, transparent 7px 24px) !important;
  animation-duration:6.2s !important;
}
.z-realSeasonHero__snow::after{
  opacity:.42 !important;
  filter:blur(1.8px) !important;
  animation-duration:8.8s !important;
}
.z-realSeasonHero__snow span{
  width:calc(var(--s) * 1.25) !important;
  height:calc(var(--s) * 1.25) !important;
  background:rgba(255,255,255, min(1, calc(var(--op) + .12))) !important;
  box-shadow:0 0 12px rgba(255,255,255,.88), 0 0 24px rgba(255,255,255,.34) !important;
  animation-duration:calc(var(--d) * .72) !important;
}

.z-realSeasonHero[data-season="winter"] .z-realSeasonHero__scene--winter{
  opacity:1 !important;
  visibility:visible !important;
  transform:scale(1.05) !important;
}
.z-realSeasonHero[data-season="winter"] .z-realSeasonHero__scene--summer{
  opacity:.06 !important;
  visibility:visible !important;
}
.z-realSeasonHero[data-season="winter"] .z-realSeasonHero__snow{
  opacity:1 !important;
  visibility:visible !important;
}
.z-realSeasonHero[data-season="winter"] .z-realSeasonHero__warmGlow{
  opacity:0 !important;
}

/* Summer should fade in gently after the snow */
.z-realSeasonHero[data-season="summer"] .z-realSeasonHero__scene--winter{
  opacity:0 !important;
  visibility:hidden !important;
  transform:scale(1.01) !important;
}
.z-realSeasonHero[data-season="summer"] .z-realSeasonHero__scene--summer{
  opacity:1 !important;
  visibility:visible !important;
  transform:scale(1.045) !important;
}
.z-realSeasonHero[data-season="summer"] .z-realSeasonHero__snow{
  opacity:0 !important;
  visibility:hidden !important;
}
.z-realSeasonHero[data-season="summer"] .z-realSeasonHero__warmGlow{
  opacity:1 !important;
}