:root{--black:#101113;--ink:#17191c;--snow:#f4f6f8;--warm:#f3a900;--warm2:#ffd42a;--denim:#14233b;--header:72px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff}img{display:block;max-width:100%}a{text-decoration:none;color:inherit}section[id]{scroll-margin-top:calc(var(--header) + 14px)}
.site-header{position:fixed;inset:0 0 auto 0;height:var(--header);z-index:1000;background:rgba(13,14,16,.96);display:flex;align-items:center;justify-content:space-between;padding:0 4vw;border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:blur(14px)}
.brand img{height:43px;width:auto;filter:brightness(0) invert(1)}.nav{display:flex;align-items:center;gap:28px;color:#fff;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.07em}.nav a{position:relative;white-space:nowrap}.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-7px;height:2px;background:var(--warm);transition:.25s}.nav a:hover::after,.nav .active::after{right:0}.nav .active{color:var(--warm2)}
.hero{position:relative;min-height:760px;padding-top:var(--header);display:flex;align-items:center;background:url('../images/hero-denim.png') center 35%/cover no-repeat;overflow:hidden}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,246,248,.96) 0%,rgba(244,246,248,.82) 32%,rgba(244,246,248,.13) 62%,rgba(10,18,31,.22) 100%)}.hero-copy{position:relative;z-index:2;width:min(580px,44vw);margin-left:6vw;padding:44px 0}.thermical-logo{width:min(470px,38vw);margin-bottom:24px}.eyebrow{margin:0 0 10px;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.eyebrow.warm{color:#d99100}.hero h1{font-size:clamp(54px,6vw,94px);line-height:.92;margin:0 0 16px;letter-spacing:-.045em}.hero-sub{font-size:clamp(19px,1.8vw,28px);margin:0 0 28px}.cta{display:inline-flex;align-items:center;gap:14px;background:linear-gradient(90deg,var(--warm),var(--warm2));padding:16px 22px;font-size:13px;font-weight:800;text-transform:uppercase;box-shadow:0 12px 25px rgba(243,169,0,.28)}.temp-line{position:absolute;z-index:2;right:3vw;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;align-items:center;color:#fff;font-size:10px;font-weight:800;letter-spacing:.12em;text-shadow:0 1px 3px #000}.temp-line i{width:3px;height:190px;margin:8px 0;background:linear-gradient(#8ed7ff 0 48%,#fff 48% 52%,#ffb11a 52%);border-radius:20px}
.split{display:grid;grid-template-columns:42% 58%;min-height:520px}.panel.copy{padding:76px 7vw;background:#f7f6f3;display:flex;flex-direction:column;justify-content:center}.panel.copy h2,.section-head h2,.tech-copy h2{font-size:clamp(34px,4vw,64px);line-height:.98;margin:0 0 24px;letter-spacing:-.035em}.panel.copy p{font-size:17px;line-height:1.65}.panel.visual{overflow:hidden}.panel.visual img{width:100%;height:100%;object-fit:cover}.mini-features{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}.mini-features div{border-top:2px solid var(--warm);padding-top:14px;font-size:12px;text-transform:uppercase}.mini-features .icon{display:block;font-size:26px;margin-bottom:9px}
.dark-section{background:#111317;color:#fff;display:grid;grid-template-columns:38% 62%;align-items:center;padding:70px 7vw;gap:6vw}.tech-copy p:last-child{line-height:1.65;color:#d9dde2}.layers{display:flex;flex-direction:column;align-items:center;gap:11px}.cold,.heat{font-size:12px;text-transform:uppercase;letter-spacing:.12em;font-weight:800}.cold{color:#a6dcff}.heat{color:#ffbc29}.layer{width:min(560px,100%);padding:15px 24px;text-align:center;text-transform:uppercase;font-size:12px;font-weight:800;letter-spacing:.08em;transform:skewX(-10deg);box-shadow:0 12px 30px rgba(0,0,0,.25)}.outer{background:#234469}.air{background:#5a6675}.inner{background:linear-gradient(90deg,#7c3d1e,#cf7723)}
.styles,.benefits{padding:78px 5vw;background:#fff}.section-head{text-align:center;max-width:780px;margin:0 auto 42px}.section-head>p:last-child{color:#61656c}.style-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:1420px;margin:auto}.style-card{position:relative;min-height:650px;overflow:hidden;background:#111}.style-card img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}.style-card:hover img{transform:scale(1.025)}.style-card::after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,rgba(7,11,18,.92))}.style-card-copy{position:absolute;z-index:2;left:38px;right:38px;bottom:34px;color:#fff}.style-card-copy span{color:var(--warm2);font-size:13px;font-weight:800}.style-card-copy h3{font-size:48px;margin:5px 0}.style-card-copy p{font-size:16px;margin:0;max-width:400px}
.benefits{background:#f3f5f7}.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);max-width:1350px;margin:auto}.benefit{padding:20px 30px;border-right:1px solid #cdd2d8;text-align:center}.benefit:last-child{border-right:0}.benefit span{font-size:40px;color:#d89200}.benefit h3{font-size:16px;text-transform:uppercase}.benefit p{font-size:14px;line-height:1.5;color:#64686d}
.product-strip{display:grid;grid-template-columns:1fr 1fr 1.35fr;background:#111}.product-strip figure{margin:0;position:relative;height:490px;overflow:hidden;border-right:1px solid rgba(255,255,255,.18)}.product-strip img{width:100%;height:100%;object-fit:contain;background:#fff}.product-strip .detail img{object-fit:cover}.product-strip figcaption{position:absolute;left:18px;bottom:18px;background:rgba(12,13,15,.85);color:#fff;padding:9px 13px;font-size:12px;text-transform:uppercase;letter-spacing:.08em}
.share{padding:46px 5vw;text-align:center;background:#f7f6f3}.share h2{font-size:32px;margin:0 0 22px}.share-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}.share button{border:1px solid #d79a15;background:#fff;padding:12px 20px;border-radius:999px;font-weight:700;cursor:pointer;min-width:160px}.share button:hover{background:#fff6d7}.share button span{margin-right:8px}.copy-status{height:18px;font-size:13px;color:#38844c}
.footer{background:#0d0e10;color:#fff;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:28px 5vw}.footer img{height:44px;filter:brightness(0) invert(1)}.footer div{text-align:center;display:flex;flex-direction:column;gap:3px}.footer div strong{color:var(--warm2);letter-spacing:.1em}.footer div span{font-size:12px;letter-spacing:.16em}.footer p{text-align:right;margin:0;color:#aaa}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:none}
@media(max-width:900px){:root{--header:112px}.site-header{height:var(--header);padding:10px 16px;align-items:flex-start}.brand img{height:36px}.nav{position:absolute;left:12px;right:12px;bottom:10px;overflow-x:auto;gap:18px;padding:7px 4px;font-size:10px;scrollbar-width:none}.nav::-webkit-scrollbar{display:none}.hero{min-height:760px;background-position:58% center}.hero-overlay{background:linear-gradient(90deg,rgba(244,246,248,.96),rgba(244,246,248,.74) 54%,rgba(244,246,248,.1))}.hero-copy{width:67vw;margin-left:5vw}.thermical-logo{width:58vw}.temp-line{display:none}.split,.dark-section{grid-template-columns:1fr}.panel.copy{padding:54px 7vw}.panel.visual{height:500px}.dark-section{padding:56px 7vw}.styles,.benefits{padding:58px 4vw}.style-card{min-height:560px}.benefit-grid{grid-template-columns:1fr 1fr}.benefit:nth-child(2){border-right:0}.benefit:nth-child(-n+2){border-bottom:1px solid #cdd2d8}.product-strip{grid-template-columns:1fr 1fr}.product-strip .detail{grid-column:1/-1}.footer{grid-template-columns:1fr auto}.footer p{display:none}}
@media(max-width:600px){.hero{min-height:680px;background-position:63% center}.hero-copy{width:82vw;padding-top:100px}.thermical-logo{width:72vw}.hero h1{font-size:48px}.hero-sub{font-size:19px}.split{display:flex;flex-direction:column}.panel.copy{order:2}.panel.visual{height:430px}.mini-features{grid-template-columns:1fr}.style-grid{grid-template-columns:1fr}.style-card{min-height:510px}.style-card-copy h3{font-size:38px}.benefit-grid{grid-template-columns:1fr}.benefit{border-right:0;border-bottom:1px solid #cdd2d8}.product-strip{grid-template-columns:1fr}.product-strip figure,.product-strip .detail{grid-column:auto;height:410px}.share-actions{flex-direction:column;align-items:center}.share button{width:min(290px,90vw)}.footer{grid-template-columns:1fr;text-align:center;gap:16px}.footer img{margin:auto}.footer div{text-align:center}}

/* THERMICAL v2 editorial refinements */
.thermal-visual{position:relative;background:radial-gradient(circle at 68% 38%,rgba(255,190,55,.34),transparent 38%),linear-gradient(135deg,#17191d 0%,#3d3126 52%,#111317 100%);display:flex;align-items:flex-end;justify-content:center;min-height:520px}
.thermal-visual::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.05),transparent 40%),radial-gradient(circle at 20% 25%,rgba(255,176,33,.12),transparent 34%)}
.thermal-visual .thermal-glow{position:absolute;width:68%;height:68%;right:4%;bottom:2%;background:radial-gradient(ellipse,rgba(255,169,0,.2),transparent 66%);filter:blur(18px)}
.thermal-visual img{position:relative;z-index:1;width:min(92%,920px);height:92%;object-fit:contain;object-position:center bottom;filter:drop-shadow(0 26px 34px rgba(0,0,0,.34))}
.editorial-strip{grid-template-columns:1.1fr 1fr 1fr;background:#0e1013}
.editorial-strip figure{height:430px;background:#0e1013}
.editorial-strip img{object-fit:cover;background:#0e1013}
.editorial-strip figure:first-child img{object-position:center 56%}
.editorial-strip figcaption{border-left:3px solid var(--warm);background:rgba(10,11,13,.9)}
@media(max-width:900px){.thermal-visual{min-height:480px}.thermal-visual img{height:88%;width:96%}.editorial-strip{grid-template-columns:1fr 1fr}.editorial-strip figure:last-child{grid-column:1/-1}}
@media(max-width:600px){.thermal-visual{min-height:390px}.thermal-visual img{height:86%;width:100%}.editorial-strip{grid-template-columns:1fr}.editorial-strip figure,.editorial-strip figure:last-child{grid-column:auto;height:360px}}


/* THERMICAL v3 — hero aligned to approved editorial mockup */
.hero{
  min-height:720px;
  background-position:66% 42%;
  isolation:isolate;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  background:
    radial-gradient(circle at 72% 24%,rgba(255,181,88,.48),transparent 28%),
    linear-gradient(90deg,rgba(26,17,14,.82) 0%,rgba(30,18,13,.62) 35%,rgba(35,22,15,.18) 63%,rgba(15,18,24,.08) 100%),
    linear-gradient(180deg,rgba(15,15,17,.08),rgba(21,13,10,.34));
  mix-blend-mode:multiply;
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  background:linear-gradient(180deg,rgba(255,183,94,.14),transparent 45%,rgba(20,14,12,.22));
  pointer-events:none;
}
.hero-overlay{display:none}
.hero-copy{
  width:min(560px,43vw);
  margin-left:7vw;
  padding:54px 0 46px;
  color:#fff;
  text-shadow:0 2px 14px rgba(0,0,0,.42);
}
.thermical-logo{
  width:min(360px,31vw);
  margin:0 0 26px;
  filter:drop-shadow(0 12px 24px rgba(0,0,0,.28));
}
.hero h1{
  color:#fff;
  font-size:clamp(54px,5.2vw,82px);
  line-height:.95;
  letter-spacing:-.04em;
  margin-bottom:20px;
}
.hero-sub{
  color:#fff;
  font-size:clamp(20px,1.7vw,27px);
  line-height:1.25;
  margin-bottom:28px;
}
.hero-sub strong{color:#ffd033;font-weight:800}
.hero .cta{
  background:linear-gradient(90deg,#f3a900,#ffd42a);
  color:#111;
  box-shadow:0 14px 30px rgba(0,0,0,.28);
}
@media(max-width:900px){
  .hero{min-height:720px;background-position:61% center}
  .hero::before{background:linear-gradient(90deg,rgba(24,15,12,.86) 0%,rgba(24,15,12,.63) 55%,rgba(24,15,12,.1) 100%)}
  .hero-copy{width:64vw;margin-left:5vw;padding-top:48px}
  .thermical-logo{width:50vw}
}
@media(max-width:600px){
  .hero{min-height:670px;background-position:65% center}
  .hero-copy{width:86vw;margin-left:7vw;padding-top:92px}
  .thermical-logo{width:68vw;max-width:330px;margin-bottom:20px}
  .hero h1{font-size:48px}
  .hero-sub{font-size:19px}
  .hero::before{background:linear-gradient(90deg,rgba(22,14,11,.90) 0%,rgba(22,14,11,.68) 62%,rgba(22,14,11,.2) 100%)}
}


/* THERMICAL v4 — navigation system */
.site-header{gap:24px}
.brand{display:flex;align-items:center;flex:0 0 auto}
.nav{margin-left:auto;gap:clamp(16px,2.1vw,30px)}
.nav a{padding:4px 0;transition:color .22s ease}
.nav a:hover{color:var(--warm2)}
.lang-switch{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:34px;margin-left:2px;border:1px solid rgba(255,255,255,.28);border-radius:999px;color:#fff;font-size:11px;font-weight:800;letter-spacing:.08em;transition:.22s ease}
.lang-switch:hover{border-color:var(--warm);color:var(--warm2);background:rgba(243,169,0,.08)}
@media(max-width:1050px) and (min-width:901px){.site-header{padding:0 2.5vw}.nav{gap:15px;font-size:10.5px}.lang-switch{min-width:36px;height:32px}}
@media(max-width:900px){
  .site-header{display:grid;grid-template-columns:1fr auto;grid-template-rows:auto auto;column-gap:12px;align-content:center;padding:9px 16px 8px}
  .brand{grid-column:1;grid-row:1}
  .lang-switch{grid-column:2;grid-row:1;align-self:center;margin:0}
  .nav{grid-column:1/-1;grid-row:2;position:static;width:100%;margin:5px 0 0;overflow-x:auto;justify-content:flex-start;gap:22px;padding:7px 2px 3px;scroll-snap-type:x proximity}
  .nav a{scroll-snap-align:start}
}
@media(max-width:600px){
  .nav{gap:18px;font-size:9.5px}
  .lang-switch{min-width:38px;height:32px}
}


/* THERMICAL v5 — approved snow hero */
:root{--thermical-red:#d43c32}
.hero{
  min-height:720px;
  background-image:url('../images/hero-denim.png');
  background-position:72% 38%;
  background-size:cover;
  background-repeat:no-repeat;
  background-color:#e8eef3;
  isolation:isolate;
}
.hero::before,.hero::after{display:none}
.hero-overlay{
  display:block;
  position:absolute;
  inset:0;
  z-index:0;
  background:
    linear-gradient(90deg,rgba(245,247,249,.98) 0%,rgba(245,247,249,.92) 28%,rgba(245,247,249,.56) 46%,rgba(245,247,249,.05) 66%,rgba(11,20,31,.08) 100%),
    linear-gradient(180deg,rgba(255,255,255,.08),rgba(13,25,39,.08));
}
.hero-copy{
  width:min(540px,43vw);
  margin-left:7vw;
  padding:48px 0 40px;
  color:#17191c;
  text-shadow:none;
}
.thermical-logo{
  width:min(350px,30vw);
  margin:0 0 30px;
  filter:drop-shadow(0 9px 18px rgba(0,0,0,.14));
}
.hero h1{
  color:var(--thermical-red);
  font-family:Impact,'Arial Narrow',Arial,sans-serif;
  font-size:clamp(58px,5.6vw,88px);
  font-weight:800;
  line-height:.94;
  letter-spacing:.005em;
  margin:0 0 18px;
  text-transform:uppercase;
}
.hero-sub{
  color:#202327;
  font-size:clamp(19px,1.55vw,25px);
  line-height:1.3;
  margin:0 0 28px;
}
.hero-sub strong{color:#202327;font-weight:800}
.hero .cta{
  background:linear-gradient(90deg,#f3a900,#ffd42a);
  color:#141414;
  border:0;
  box-shadow:0 12px 26px rgba(57,43,14,.2);
}
.hero-thermometer{
  position:absolute;
  z-index:2;
  right:4.5vw;
  top:50%;
  transform:translateY(-47%);
  width:82px;
  color:#fff;
  filter:drop-shadow(0 2px 6px rgba(0,0,0,.45));
  opacity:.9;
}
.thermo-unit{display:block;text-align:center;font-size:15px;font-weight:800;margin-bottom:7px}
.thermo-scale{position:relative;width:18px;height:210px;margin:0 auto;border-radius:20px;background:rgba(255,255,255,.38);border:2px solid rgba(255,255,255,.9)}
.thermo-scale i{position:absolute;left:5px;right:5px;bottom:7px;height:68%;border-radius:10px;background:linear-gradient(180deg,#f2be16 0%,#f19b12 47%,#e63b2e 100%)}
.thermo-scale b{position:absolute;width:31px;height:31px;border:4px solid #ef4436;border-radius:50%;background:rgba(255,255,255,.96);left:50%;bottom:-17px;transform:translateX(-50%)}
.thermo-labels{position:absolute;left:49px;top:29px;height:210px;display:flex;flex-direction:column;justify-content:space-between;font-size:10px;font-weight:800}
.thermo-labels span{white-space:nowrap}
@media(max-width:900px){
  .hero{min-height:720px;background-position:66% 40%}
  .hero-overlay{background:linear-gradient(90deg,rgba(245,247,249,.98) 0%,rgba(245,247,249,.88) 44%,rgba(245,247,249,.25) 69%,rgba(13,25,39,.06) 100%)}
  .hero-copy{width:61vw;margin-left:5vw;padding-top:54px}
  .thermical-logo{width:min(340px,48vw)}
  .hero-thermometer{right:2.5vw;transform:translateY(-45%) scale(.86)}
}
@media(max-width:600px){
  .hero{min-height:700px;background-position:63% center}
  .hero-overlay{background:linear-gradient(90deg,rgba(245,247,249,.98) 0%,rgba(245,247,249,.9) 53%,rgba(245,247,249,.26) 82%,rgba(13,25,39,.04) 100%)}
  .hero-copy{width:84vw;margin-left:6vw;padding-top:80px}
  .thermical-logo{width:min(300px,70vw);margin-bottom:24px}
  .hero h1{font-size:52px;max-width:320px}
  .hero-sub{font-size:18px;max-width:285px}
  .hero-thermometer{display:none}
}


/* FINAL BLOCK2 OVERRIDE */
.thermical-promise{grid-template-columns:48% 52%;height:480px;min-height:480px;background:#f7f6f3}
.promise-copy{padding:32px 3.2vw 24px 4vw}
.promise-visual{position:relative;overflow:hidden;background:
radial-gradient(circle at 72% 42%,rgba(255,255,255,.65),rgba(255,255,255,0) 40%),
linear-gradient(180deg,#eef3f6 0%,#f7f6f3 100%);}
.promise-visual img{
position:absolute;left:54%;top:52%;
width:min(54%,520px);height:auto;
transform:translate(-50%,-50%);
object-fit:contain;
filter:drop-shadow(0 12px 20px rgba(0,0,0,.08));
}