/* ==========================================================================
   Wanbang Tongtai — Industrial-Editorial Stylesheet
   Pure static. Desktop-first. CSS variables + Grid + Flexbox.
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root{
  --ink:#0f1115;
  --ink-2:#1b1f26;
  --ink-3:#262b34;
  --cream:#f4efe6;
  --cream-2:#ebe4d6;
  --cream-3:#ded4c0;
  --amber:#d97706;
  --amber-2:#f59e0b;
  --amber-soft:rgba(217,119,6,.12);
  --steel:#3b4a5a;
  --steel-2:#52606e;
  --line:rgba(15,17,21,.12);
  --line-light:rgba(244,239,230,.16);
  --muted:#6b7280;
  --white:#ffffff;

  --ff-display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --ff-body:"Manrope","Helvetica Neue",Arial,sans-serif;

  --container:1280px;
  --gutter:clamp(20px,4vw,56px);

  --radius:4px;
  --radius-lg:10px;

  --shadow-sm:0 1px 2px rgba(15,17,21,.06),0 2px 6px rgba(15,17,21,.05);
  --shadow-md:0 8px 24px rgba(15,17,21,.10);
  --shadow-lg:0 24px 60px rgba(15,17,21,.18);

  --ease:cubic-bezier(.2,.7,.2,1);
  --ease-out:cubic-bezier(.16,1,.3,1);

  --nav-h:74px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--ff-body);
  font-size:17px;
  line-height:1.6;
  color:var(--ink);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-family:var(--ff-display);font-weight:800;line-height:1.05;letter-spacing:-.02em;}
p{margin:0;}
input,textarea,select{font:inherit;color:inherit;}

/* ---------- Layout helpers ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter);}
.section{padding-block:clamp(64px,9vw,120px);}
.section--tight{padding-block:clamp(48px,6vw,80px);}
.bg-ink{background:var(--ink);color:var(--cream);}
.bg-ink-2{background:var(--ink-2);color:var(--cream);}
.bg-cream{background:var(--cream);}
.bg-cream-2{background:var(--cream-2);}
.bg-amber{background:var(--amber);color:var(--ink);}

.eyebrow{
  font-family:var(--ff-display);
  font-weight:700;
  font-size:13px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--amber);
  display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--amber);display:inline-block;}
.eyebrow--light{color:var(--amber-2);}
.eyebrow--light::before{background:var(--amber-2);}

.section-title{
  font-size:clamp(30px,4.4vw,56px);
  font-weight:800;
  letter-spacing:-.03em;
  line-height:1.02;
}
.section-title .accent{color:var(--amber);}
.lead{font-size:clamp(17px,1.4vw,20px);line-height:1.6;color:var(--steel-2);max-width:62ch;}
.bg-ink .lead,.bg-ink-2 .lead{color:rgba(244,239,230,.74);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--ff-display);font-weight:700;font-size:15px;
  letter-spacing:.04em;text-transform:uppercase;
  padding:15px 28px;border-radius:var(--radius);
  transition:transform .35s var(--ease),background .35s var(--ease),color .35s var(--ease),box-shadow .35s var(--ease);
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;}
.btn--primary{background:var(--amber);color:var(--ink);box-shadow:0 6px 18px rgba(217,119,6,.32);}
.btn--primary:hover{background:var(--amber-2);transform:translateY(-2px);box-shadow:0 10px 26px rgba(217,119,6,.42);}
.btn--ghost{background:transparent;color:var(--cream);border:1.5px solid rgba(244,239,230,.4);}
.btn--ghost:hover{border-color:var(--amber);color:var(--amber-2);transform:translateY(-2px);}
.btn--ink{background:var(--ink);color:var(--cream);}
.btn--ink:hover{background:var(--ink-2);transform:translateY(-2px);}
.btn--outline{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn--outline:hover{background:var(--ink);color:var(--cream);transform:translateY(-2px);}
.btn--lg{padding:18px 36px;font-size:16px;}

/* ---------- Navigation ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--nav-h);
  display:flex;align-items:center;
  transition:background .4s var(--ease),box-shadow .4s var(--ease),height .4s var(--ease);
}
.nav__inner{display:flex;align-items:center;justify-content:space-between;width:100%;gap:24px;}
.nav.is-scrolled{background:rgba(15,17,21,.92);backdrop-filter:blur(14px);box-shadow:0 1px 0 rgba(244,239,230,.08);}
.nav__logo{
  font-family:var(--ff-display);font-weight:900;font-size:20px;letter-spacing:-.01em;
  color:var(--cream);text-transform:uppercase;display:flex;align-items:center;gap:10px;
  transition:color .4s var(--ease);
}
.nav__logo .mark{width:30px;height:30px;background:var(--amber);display:grid;place-items:center;color:var(--ink);font-size:15px;border-radius:3px;font-weight:900;}
.nav__logo .sub{display:block;font-size:9px;letter-spacing:.28em;font-weight:600;opacity:.7;margin-top:2px;}
.nav__menu{display:flex;align-items:center;gap:34px;}
.nav__link{
  font-family:var(--ff-display);font-weight:600;font-size:14px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--cream);position:relative;transition:color .3s var(--ease);
}
.nav__link::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--amber);transition:width .35s var(--ease);}
.nav__link:hover::after,.nav__link.is-active::after{width:100%;}
.nav__link:hover{color:var(--amber);}
.nav__cta{
  font-family:var(--ff-display);font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--cream);padding:11px 22px;border:1.5px solid var(--cream);border-radius:var(--radius);
  transition:all .35s var(--ease);
}
.nav__cta:hover{background:var(--amber);border-color:var(--amber);color:var(--ink);}
.nav__burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;}
.nav__burger span{display:block;width:24px;height:2px;background:var(--cream);position:relative;transition:.35s var(--ease);}
.nav__burger span::before,.nav__burger span::after{content:"";position:absolute;left:0;width:24px;height:2px;background:var(--cream);transition:.35s var(--ease);}
.nav__burger span::before{top:-7px;}
.nav__burger span::after{top:7px;}
.nav.is-scrolled .nav__burger span,.nav.is-scrolled .nav__burger span::before,.nav.is-scrolled .nav__burger span::after{background:var(--cream);}
body.menu-open .nav__burger span{background:transparent;}
body.menu-open .nav__burger span::before{top:0;transform:rotate(45deg);background:var(--cream);}
body.menu-open .nav__burger span::after{top:0;transform:rotate(-45deg);background:var(--cream);}

/* Mobile drawer */
.nav__drawer{
  position:fixed;inset:0;z-index:95;background:var(--ink);
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:8px;
  opacity:0;pointer-events:none;transition:opacity .4s var(--ease);
}
body.menu-open .nav__drawer{opacity:1;pointer-events:auto;}
.nav__drawer a{
  font-family:var(--ff-display);font-weight:800;font-size:32px;letter-spacing:-.01em;color:var(--cream);
  padding:10px 0;transition:color .3s;
}
.nav__drawer a:hover{color:var(--amber-2);}
.nav__drawer .drawer-cta{margin-top:24px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:flex-end;
  padding-block:120px 80px;overflow:hidden;background:var(--ink);color:var(--cream);
}
.hero__bg{position:absolute;inset:0;z-index:0;}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.42;}
.hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,17,21,.55) 0%,rgba(15,17,21,.35) 40%,rgba(15,17,21,.92) 100%);}
.hero__grain{position:absolute;inset:0;z-index:1;opacity:.5;mix-blend-mode:overlay;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");}
.hero__content{position:relative;z-index:2;width:100%;}
.hero__meta{display:flex;align-items:center;gap:18px;margin-bottom:28px;font-family:var(--ff-display);font-weight:600;font-size:12px;letter-spacing:.28em;text-transform:uppercase;color:rgba(244,239,230,.7);}
.hero__meta span{display:inline-flex;align-items:center;gap:10px;}
.hero__meta span::before{content:"";width:6px;height:6px;background:var(--amber);border-radius:50%;}
.hero h1{font-size:clamp(44px,7.4vw,108px);font-weight:900;line-height:.96;letter-spacing:-.04em;max-width:16ch;}
.hero h1 .line{display:block;overflow:hidden;}
.hero h1 .line span{display:inline-block;transform:translateY(110%);animation:lineUp 1s var(--ease-out) forwards;}
.hero h1 .line:nth-child(2) span{animation-delay:.12s;}
.hero h1 .line:nth-child(3) span{animation-delay:.24s;}
.hero h1 .accent{color:var(--amber);}
@keyframes lineUp{to{transform:translateY(0);}}
.hero__sub{margin-top:28px;max-width:54ch;font-size:clamp(17px,1.5vw,21px);line-height:1.5;color:rgba(244,239,230,.82);opacity:0;animation:fadeUp 1s var(--ease-out) .5s forwards;}
.hero__actions{margin-top:42px;display:flex;flex-wrap:wrap;gap:16px;opacity:0;animation:fadeUp 1s var(--ease-out) .7s forwards;}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px);}to{opacity:1;transform:translateY(0);}}
.hero__stats{position:relative;z-index:2;margin-top:72px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;border-top:1px solid rgba(244,239,230,.18);padding-top:36px;}
.hero__stat .num{font-family:var(--ff-display);font-weight:900;font-size:clamp(34px,3.4vw,52px);letter-spacing:-.03em;color:var(--cream);}
.hero__stat .num .accent{color:var(--amber);}
.hero__stat .lbl{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:rgba(244,239,230,.6);margin-top:6px;}

/* ---------- Marquee ---------- */
.marquee{background:var(--amber);color:var(--ink);overflow:hidden;padding:14px 0;border-block:1px solid rgba(15,17,21,.18);}
.marquee__track{display:flex;gap:48px;white-space:nowrap;width:max-content;animation:scroll 36s linear infinite;}
.marquee__track span{font-family:var(--ff-display);font-weight:800;font-size:15px;letter-spacing:.12em;text-transform:uppercase;display:inline-flex;align-items:center;gap:48px;}
.marquee__track span::after{content:"★";color:var(--ink);opacity:.5;}
@keyframes scroll{to{transform:translateX(-50%);}}

/* ---------- Intro / About strip ---------- */
.intro{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(40px,6vw,90px);align-items:center;}
.intro__media{position:relative;}
.intro__media img{width:100%;height:560px;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);}
.intro__media .badge{position:absolute;right:-18px;bottom:36px;background:var(--amber);color:var(--ink);padding:22px 26px;border-radius:var(--radius);box-shadow:var(--shadow-md);max-width:230px;}
.intro__media .badge .b-num{font-family:var(--ff-display);font-weight:900;font-size:42px;line-height:1;letter-spacing:-.03em;}
.intro__media .badge .b-lbl{font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin-top:6px;font-weight:700;}
.intro__text h2{margin:18px 0 22px;}
.intro__text p+p{margin-top:16px;}
.intro__features{margin-top:32px;display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.intro__feature{display:flex;gap:12px;align-items:flex-start;font-weight:600;font-size:15px;}
.intro__feature svg{width:22px;height:22px;color:var(--amber);flex-shrink:0;margin-top:2px;}

/* ---------- Product grid ---------- */
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,2vw,28px);}
.product-card{
  position:relative;background:var(--white);border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .5s var(--ease);
  display:flex;flex-direction:column;
}
.product-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:var(--amber);}
.product-card__media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--cream-2);}
.product-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease);}
.product-card:hover .product-card__media img{transform:scale(1.08);}
.product-card__tag{position:absolute;top:14px;left:14px;background:var(--ink);color:var(--cream);padding:6px 12px;font-family:var(--ff-display);font-weight:700;font-size:11px;letter-spacing:.16em;text-transform:uppercase;border-radius:3px;}
.product-card__body{padding:24px 24px 28px;display:flex;flex-direction:column;flex:1;}
.product-card__title{font-size:22px;font-weight:800;letter-spacing:-.02em;margin-bottom:6px;}
.product-card__desc{color:var(--steel-2);font-size:15px;line-height:1.55;flex:1;}
.product-card__specs{margin-top:16px;display:flex;flex-wrap:wrap;gap:6px;}
.product-card__specs span{font-size:11px;font-weight:600;letter-spacing:.05em;color:var(--steel);background:var(--cream-2);padding:4px 9px;border-radius:3px;}
.product-card__link{margin-top:20px;display:inline-flex;align-items:center;gap:8px;font-family:var(--ff-display);font-weight:700;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--amber);}
.product-card__link svg{width:16px;height:16px;transition:transform .35s var(--ease);}
.product-card:hover .product-card__link svg{transform:translateX(6px);}

/* Feature product card variant (larger) */
.product-card--feature{grid-column:span 2;flex-direction:row;}
.product-card--feature .product-card__media{aspect-ratio:auto;flex:1.1;}
.product-card--feature .product-card__body{flex:1;justify-content:center;padding:40px;}

/* ---------- Advantages ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(244,239,230,.12);border:1px solid rgba(244,239,230,.12);}
.adv{background:var(--ink);padding:36px 30px;transition:background .4s var(--ease);}
.adv:hover{background:var(--ink-2);}
.adv__num{font-family:var(--ff-display);font-weight:900;font-size:13px;letter-spacing:.2em;color:var(--amber);}
.adv__icon{margin:18px 0 22px;color:var(--amber-2);}
.adv__icon svg{width:38px;height:38px;}
.adv__title{font-size:19px;font-weight:800;letter-spacing:-.01em;margin-bottom:8px;color:var(--cream);}
.adv__desc{font-size:14px;color:rgba(244,239,230,.66);line-height:1.55;}

/* ---------- Factory showcase ---------- */
.factory{display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(36px,5vw,72px);align-items:center;}
.factory__text h2{margin:18px 0 22px;}
.factory__list{margin-top:28px;display:grid;gap:14px;}
.factory__list li{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);transition:all .35s var(--ease);}
.factory__list li:hover{border-color:var(--amber);transform:translateX(6px);}
.factory__list .num{font-family:var(--ff-display);font-weight:900;font-size:18px;color:var(--amber);min-width:28px;}
.factory__list .t{font-weight:700;font-size:15px;}
.factory__list .d{font-size:13px;color:var(--steel-2);margin-top:2px;}
.factory__gallery{display:grid;grid-template-columns:repeat(2,1fr);grid-auto-rows:200px;gap:14px;}
.factory__gallery .g{overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow-sm);position:relative;}
.factory__gallery .g img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease);}
.factory__gallery .g:hover img{transform:scale(1.07);}
.factory__gallery .g:nth-child(1){grid-row:span 2;}

/* ---------- CTA band ---------- */
.cta-band{position:relative;background:var(--ink);color:var(--cream);overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(217,119,6,.28),transparent 50%);}
.cta-band__inner{position:relative;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;padding-block:clamp(56px,7vw,96px);}
.cta-band h2{font-size:clamp(32px,4.2vw,56px);letter-spacing:-.03em;line-height:1.02;}
.cta-band h2 .accent{color:var(--amber);}
.cta-band p{margin-top:18px;color:rgba(244,239,230,.74);font-size:18px;max-width:48ch;}
.cta-band__actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}

/* ---------- Page header ---------- */
.page-head{position:relative;background:var(--ink);color:var(--cream);padding-block:clamp(120px,16vw,180px) clamp(56px,8vw,96px);overflow:hidden;}
.page-head::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 75% 30%,rgba(217,119,6,.22),transparent 55%);pointer-events:none;}
.page-head__inner{position:relative;display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:end;}
.page-head h1{font-size:clamp(40px,6vw,84px);font-weight:900;letter-spacing:-.035em;line-height:.98;}
.page-head h1 .accent{color:var(--amber);}
.page-head__sub{color:rgba(244,239,230,.76);font-size:18px;line-height:1.6;max-width:46ch;}
.breadcrumb{font-family:var(--ff-display);font-weight:600;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:rgba(244,239,230,.55);margin-bottom:24px;display:flex;gap:10px;align-items:center;}
.breadcrumb a:hover{color:var(--amber-2);}
.breadcrumb .sep{opacity:.5;}

/* ---------- Product detail ---------- */
.pd-layout{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,5vw,80px);align-items:start;}
.pd-gallery{position:sticky;top:calc(var(--nav-h) + 24px);}
.pd-gallery__main{aspect-ratio:4/3;border-radius:var(--radius-lg);overflow:hidden;background:var(--cream-2);box-shadow:var(--shadow-md);}
.pd-gallery__main img{width:100%;height:100%;object-fit:cover;cursor:zoom-in;transition:transform .5s var(--ease);}
.pd-gallery__main:hover img{transform:scale(1.04);}
.pd-gallery__thumbs{margin-top:14px;display:grid;grid-template-columns:repeat(4,1fr);gap:10px;}
.pd-gallery__thumb{aspect-ratio:1;overflow:hidden;border-radius:var(--radius);border:2px solid transparent;cursor:pointer;background:var(--cream-2);transition:border-color .3s;}
.pd-gallery__thumb img{width:100%;height:100%;object-fit:cover;}
.pd-gallery__thumb.is-active{border-color:var(--amber);}

/* Sub-gallery tabs (fire board) */
.subg-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;border-bottom:1px solid var(--line);padding-bottom:18px;}
.subg-tab{font-family:var(--ff-display);font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase;padding:10px 18px;border-radius:var(--radius);color:var(--steel);border:1px solid var(--line);transition:all .3s var(--ease);}
.subg-tab:hover{color:var(--ink);border-color:var(--ink);}
.subg-tab.is-active{background:var(--ink);color:var(--cream);border-color:var(--ink);}
.subg-panel{display:none;}
.subg-panel.is-active{display:block;animation:fadeUp .5s var(--ease);}

.pd-info__title{font-size:clamp(30px,3.6vw,46px);font-weight:900;letter-spacing:-.03em;line-height:1.02;margin-bottom:14px;}
.pd-info__tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;}
.pd-info__tags span{font-family:var(--ff-display);font-weight:700;font-size:11px;letter-spacing:.12em;text-transform:uppercase;padding:6px 12px;border-radius:3px;background:var(--amber-soft);color:var(--amber);}
.pd-info__desc{font-size:17px;line-height:1.7;color:var(--steel-2);}
.pd-info__desc p+p{margin-top:14px;}

.spec-table{margin-top:30px;width:100%;border-collapse:collapse;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);}
.spec-table th,.spec-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0;}
.spec-table th{background:var(--ink);color:var(--cream);font-family:var(--ff-display);font-weight:700;font-size:13px;letter-spacing:.06em;text-transform:uppercase;width:38%;}
.spec-table td{background:var(--white);font-weight:500;}
.spec-table td .em{color:var(--amber);font-weight:700;}

.applications{margin-top:34px;}
.applications h3{font-size:14px;letter-spacing:.16em;text-transform:uppercase;color:var(--steel);margin-bottom:16px;font-weight:700;}
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.app-grid .app{padding:16px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);font-weight:600;font-size:14px;display:flex;align-items:center;gap:10px;transition:all .3s var(--ease);}
.app-grid .app:hover{border-color:var(--amber);transform:translateY(-3px);}
.app-grid .app svg{width:20px;height:20px;color:var(--amber);flex-shrink:0;}

.pd-cta{margin-top:36px;padding:28px;background:var(--ink);color:var(--cream);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.pd-cta h4{font-size:22px;font-weight:800;letter-spacing:-.01em;}
.pd-cta p{color:rgba(244,239,230,.7);font-size:14px;margin-top:4px;}

/* ---------- Gallery grid (page) ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.gallery-grid .g-tile{aspect-ratio:1;overflow:hidden;border-radius:var(--radius);cursor:zoom-in;background:var(--cream-2);box-shadow:var(--shadow-sm);position:relative;}
.gallery-grid .g-tile img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.gallery-grid .g-tile:hover img{transform:scale(1.08);}
.gallery-grid .g-tile::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 60%,rgba(15,17,21,.4));opacity:0;transition:opacity .4s;}
.gallery-grid .g-tile:hover::after{opacity:1;}

/* ---------- Lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(15,17,21,.96);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .4s var(--ease);}
.lightbox.is-open{opacity:1;pointer-events:auto;}
.lightbox__img{max-width:90vw;max-height:84vh;object-fit:contain;box-shadow:0 30px 80px rgba(0,0,0,.6);transform:scale(.92);transition:transform .4s var(--ease-out);}
.lightbox.is-open .lightbox__img{transform:scale(1);}
.lightbox__close,.lightbox__nav{position:absolute;background:rgba(244,239,230,.1);color:var(--cream);width:54px;height:54px;border-radius:50%;display:grid;place-items:center;transition:background .3s,transform .3s;}
.lightbox__close:hover,.lightbox__nav:hover{background:var(--amber);color:var(--ink);}
.lightbox__close{top:28px;right:28px;}
.lightbox__nav{top:50%;transform:translateY(-50%);}
.lightbox__nav--prev{left:28px;}
.lightbox__nav--next{right:28px;}
.lightbox__nav--next:hover{transform:translateY(-50%) scale(1.05);}
.lightbox__nav--prev:hover{transform:translateY(-50%) scale(1.05);}
.lightbox__count{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);color:rgba(244,239,230,.7);font-family:var(--ff-display);font-weight:600;font-size:13px;letter-spacing:.16em;}

/* ---------- Contact ---------- */
.contact-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(40px,5vw,72px);align-items:start;}
.contact-info__item{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line);}
.contact-info__item:first-child{padding-top:0;}
.contact-info__icon{width:48px;height:48px;background:var(--amber-soft);color:var(--amber);border-radius:var(--radius);display:grid;place-items:center;flex-shrink:0;}
.contact-info__icon svg{width:22px;height:22px;}
.contact-info__label{font-family:var(--ff-display);font-weight:700;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--steel);}
.contact-info__value{font-size:17px;font-weight:600;margin-top:4px;word-break:break-word;}
.contact-info__value a:hover{color:var(--amber);}

.form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(28px,3vw,40px);box-shadow:var(--shadow-md);}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form__group{margin-bottom:18px;}
.form__group label{display:block;font-family:var(--ff-display);font-weight:700;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);margin-bottom:8px;}
.form__group label .req{color:var(--amber);}
.form__control{width:100%;padding:14px 16px;background:var(--cream);border:1.5px solid var(--line);border-radius:var(--radius);font-size:15px;transition:border-color .3s,background .3s;}
.form__control:focus{outline:none;border-color:var(--amber);background:var(--white);box-shadow:0 0 0 3px var(--amber-soft);}
textarea.form__control{min-height:140px;resize:vertical;}
.form__control::placeholder{color:var(--muted);}
.form__submit{margin-top:8px;width:100%;justify-content:center;}
.form__note{margin-top:14px;font-size:13px;color:var(--steel-2);text-align:center;}
.form__alert{margin-bottom:16px;padding:14px 16px;border-radius:var(--radius);font-size:14px;font-weight:600;display:none;}
.form__alert.is-show{display:block;}
.form__alert--error{background:#fee2e2;color:#991b1b;}
.form__alert--ok{background:#dcfce7;color:#166534;}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:rgba(244,239,230,.7);padding-top:clamp(56px,7vw,88px);}
.footer__top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:56px;border-bottom:1px solid rgba(244,239,230,.12);}
.footer__brand{font-family:var(--ff-display);font-weight:900;font-size:24px;letter-spacing:-.01em;color:var(--cream);text-transform:uppercase;display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer__brand .mark{width:34px;height:34px;background:var(--amber);display:grid;place-items:center;color:var(--ink);font-size:17px;border-radius:3px;}
.footer__desc{font-size:14px;line-height:1.7;max-width:34ch;}
.footer__col h5{font-family:var(--ff-display);font-weight:700;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--cream);margin-bottom:18px;}
.footer__col ul{display:grid;gap:10px;}
.footer__col a{font-size:14px;transition:color .3s;}
.footer__col a:hover{color:var(--amber-2);}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding:24px 0;font-size:13px;}
.footer__bottom a:hover{color:var(--amber-2);}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out);}
.reveal.in{opacity:1;transform:translateY(0);}
.reveal--d1{transition-delay:.08s;}
.reveal--d2{transition-delay:.16s;}
.reveal--d3{transition-delay:.24s;}
.reveal--d4{transition-delay:.32s;}
.reveal--d5{transition-delay:.40s;}

/* ---------- Misc ---------- */
.divider-label{display:flex;align-items:center;gap:18px;margin-bottom:18px;}
.divider-label .ln{flex:1;height:1px;background:var(--line);}
.bg-ink .divider-label .ln{background:rgba(244,239,230,.16);}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .hero__stats{grid-template-columns:repeat(2,1fr);gap:28px 24px;}
  .intro{grid-template-columns:1fr;gap:48px;}
  .intro__media img{height:440px;}
  .factory{grid-template-columns:1fr;gap:48px;}
  .pd-layout{grid-template-columns:1fr;}
  .pd-gallery{position:static;}
  .products-grid{grid-template-columns:repeat(2,1fr);}
  .product-card--feature{grid-column:span 2;}
  .adv-grid{grid-template-columns:repeat(2,1fr);}
  .footer__top{grid-template-columns:1fr 1fr;gap:36px;}
  .page-head__inner{grid-template-columns:1fr;gap:24px;}
  .cta-band__inner{grid-template-columns:1fr;gap:32px;}
  .contact-layout{grid-template-columns:1fr;gap:40px;}
}

@media (max-width:760px){
  body{font-size:16px;}
  .nav__menu,.nav__cta{display:none;}
  .nav__burger{display:flex;}
  .section{padding-block:56px 56px;}
  .products-grid{grid-template-columns:1fr;}
  .product-card--feature{grid-column:span 1;flex-direction:column;}
  .product-card--feature .product-card__media{aspect-ratio:4/3;flex:none;}
  .adv-grid{grid-template-columns:1fr;}
  .factory__gallery{grid-template-columns:1fr 1fr;grid-auto-rows:150px;}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
  .hero__stats{grid-template-columns:1fr 1fr;gap:24px;}
  .footer__top{grid-template-columns:1fr;gap:32px;}
  .form__row{grid-template-columns:1fr;}
  .app-grid{grid-template-columns:1fr;}
  .pd-cta{flex-direction:column;align-items:flex-start;}
  .intro__features{grid-template-columns:1fr;}
  .lightbox__close,.lightbox__nav{width:46px;height:46px;}
  .lightbox__nav--prev{left:12px;}
  .lightbox__nav--next{right:12px;}
  .lightbox__close{top:16px;right:16px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;}
  .reveal{opacity:1;transform:none;}
}