/* ==========================================================================
   ALUSEL — design system
   Palette taken from the company logo (black / white, brick-red accent),
   layout & component language modeled on winperax.com
   ========================================================================== */

:root{
  --black: #141313;
  --black-soft:#1c1b1a;
  --ink: #201f1e;
  --white:#ffffff;
  --red:#C63526;
  --red-dark:#9E2A1E;
  --red-light:#F4DEDB;
  --gray-50:#f7f6f5;
  --gray-100:#eeece9;
  --gray-200:#e0ddd8;
  --gray-400:#a39d96;
  --gray-600:#6f6a65;
  --gray-700:#4a4744;
  --font: 'Montserrat', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --container: 1240px;
  --radius: 4px;
  --shadow: 0 20px 50px -20px rgba(20,19,19,.35);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
html,body{max-width:100%;overflow-x:hidden;}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
img,video{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--font);font-weight:800;line-height:1.15;letter-spacing:-.01em;}
p{margin:0;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
section{position:relative;}

/* defensive: grid/flex tracks must be allowed to shrink below their content's
   natural width, otherwise long unwrapped text blows out the layout on narrow screens */
.about-grid > *, .geo-wrap > *, .b2b-wrap > *, .intro-wrap > *, .footer-top > *,
.hero-stats > *, .product-grid > *, .feature-grid > *, .usecase-grid > *,
.type-grid > *, .spec-grid > *, .structure-grid > *, .options-grid > *,
.season-grid > *{min-width:0;}

/* ---------- utility ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--red);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--red);display:inline-block;}
.section-head{max-width:640px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(28px,3.4vw,40px);margin-bottom:16px;}
.section-head p{color:var(--gray-700);font-size:16px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  padding:16px 30px;border-radius:var(--radius);border:2px solid transparent;
  cursor:pointer;transition:all .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--red);color:var(--white);}
.btn-primary:hover{background:var(--red-dark);}
.btn-outline{border-color:rgba(255,255,255,.5);color:var(--white);background:transparent;}
.btn-outline:hover{border-color:var(--white);background:rgba(255,255,255,.08);}
.btn-dark{background:var(--black);color:var(--white);}
.btn-dark:hover{background:var(--red);}
.btn-arrow::after{content:"→";transition:transform .2s ease;}
.btn-arrow:hover::after{transform:translateX(4px);}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:13px;
  letter-spacing:.05em;text-transform:uppercase;color:var(--black);
  border-bottom:2px solid var(--red);padding-bottom:3px;transition:color .2s ease;
}
.link-arrow:hover{color:var(--red);}

.tag-note{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.04em;
  text-transform:uppercase;color:var(--red-dark);background:var(--red-light);
  border:1px dashed var(--red);border-radius:3px;padding:4px 10px;margin-top:10px;
}

/* ---------- topbar ---------- */
.topbar{background:var(--black);color:#cfcbc8;font-size:13px;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:42px;}
.topbar-left{display:flex;align-items:center;gap:26px;}
.topbar-left a,.topbar-left span{display:inline-flex;align-items:center;gap:7px;color:#cfcbc8;}
.topbar-left a:hover{color:var(--white);}
.topbar-right{display:flex;align-items:center;gap:18px;}
.topbar-social{display:flex;gap:14px;}
.topbar-social a{border:1px solid #3a3836;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:border-color .2s ease,background .2s ease,transform .2s ease;}
.topbar-social a:hover{border-color:var(--red);background:rgba(255,255,255,.06);transform:translateY(-1px);}
.topbar-social img{width:14px;height:14px;object-fit:contain;filter:brightness(0) invert(1);opacity:.96;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:var(--white);
  border-bottom:1px solid var(--gray-100);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:84px;gap:16px;}
.logo{display:flex;align-items:center;flex-shrink:0;}
.logo img{height:30px;width:auto;display:block;}
.main-nav{display:flex;align-items:center;gap:36px;}
.main-nav a{font-size:13.5px;font-weight:700;letter-spacing:.02em;text-transform:uppercase;color:var(--ink);position:relative;padding:6px 0;}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--red);transition:width .2s ease;}
.main-nav a:hover::after{width:100%;}
.header-cta{display:flex;align-items:center;gap:18px;flex-shrink:0;}
.header-phone{display:flex;flex-direction:column;font-size:13px;white-space:nowrap;}
.header-phone strong{font-size:15px;font-weight:800;}
.header-phone span{color:var(--gray-600);font-size:11px;}
.burger{display:none;background:none;border:none;cursor:pointer;padding:6px;flex-shrink:0;z-index:101;}
.burger span{display:block;width:24px;height:2px;background:var(--black);margin:5px 0;transition:transform .2s ease,opacity .2s ease;}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.open span:nth-child(2){opacity:0;}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:640px;display:flex;align-items:center;
  color:var(--white);overflow:hidden;
  padding:120px 0 90px;
  background:#141313;
}
.hero-video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;
}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg, rgba(20,19,19,.86) 15%, rgba(20,19,19,.62) 55%, rgba(20,19,19,.4) 100%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg, transparent 60%, rgba(0,0,0,.4) 100%);
  pointer-events:none;
}
.hero-content{max-width:680px;position:relative;z-index:2;}
.hero .eyebrow{color:#ff8a80;}
.hero .eyebrow::before{background:var(--red);}
.hero-badge{
  display:inline-block;border:1px solid rgba(255,255,255,.3);border-radius:30px;
  padding:9px 22px;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  margin-bottom:26px;background:rgba(255,255,255,.06);
}
.hero h1{font-size:clamp(34px,4.6vw,54px);color:var(--white);margin-bottom:22px;}
.hero h1 em{color:var(--red);font-style:normal;}
.hero p.lead{font-size:17px;color:#d8d5d2;max-width:560px;margin-bottom:38px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:64px;}
.hero-stats{display:flex;gap:56px;border-top:1px solid rgba(255,255,255,.18);padding-top:32px;}
.hero-stat strong{display:block;font-size:34px;font-weight:800;color:var(--white);}
.hero-stat strong .accent{color:var(--red);font-size:1em;line-height:1;vertical-align:baseline;}
.hero-stat span{font-size:12.5px;color:#c9c5c2;text-transform:uppercase;letter-spacing:.06em;}

/* ---------- products ---------- */
.products{padding:110px 0;background:var(--white);}
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.product-card{
  border:1px solid var(--gray-100);border-radius:var(--radius);overflow:hidden;
  transition:box-shadow .25s ease, transform .25s ease, border-color .25s ease;background:var(--white);
}
.product-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:rgba(198,53,38,.25);}
.product-media{
  aspect-ratio:16/10;background:
    linear-gradient(135deg, var(--gray-100), var(--gray-50));
  display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}
.product-media .ph-label{font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gray-400);}
.product-media svg{width:56px;height:56px;color:var(--red);opacity:.85;}
.product-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.product-card:hover .product-media img{transform:scale(1.05);}
.product-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(20,19,19,0) 24%, rgba(20,19,19,.78) 100%);
  opacity:0;transition:opacity .25s ease;
}
.product-card:hover .product-media::after{opacity:1;}
.product-num{
  position:absolute;top:16px;left:16px;z-index:2;font-weight:800;font-size:13px;color:var(--white);
  background:var(--black);width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;
}
.product-hover-actions{
  position:absolute;inset:0;z-index:3;
  display:flex;align-items:center;justify-content:center;gap:12px;padding:20px;transform:translateY(12px) scale(.98);opacity:0;
  transition:transform .25s ease, opacity .25s ease;
}
.product-card:hover .product-hover-actions{transform:translateY(0) scale(1);opacity:1;}
.product-hover-actions a{
  min-height:42px;border:1px solid rgba(255,255,255,.55);background:rgba(20,19,19,.62);
  color:var(--white);font-size:12px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;
  display:inline-flex;align-items:center;justify-content:center;padding:0 16px;border-radius:var(--radius);
  backdrop-filter:blur(8px);transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.product-hover-actions a:hover{background:var(--red);border-color:var(--red);transform:translateY(-2px);}
.product-hover-actions a:last-child{background:var(--white);color:var(--black);border-color:var(--white);}
.product-hover-actions a:last-child:hover{background:var(--red);color:var(--white);border-color:var(--red);}
.product-body{padding:26px 26px 24px;}
.product-body h3{font-size:20px;margin-bottom:10px;}
.product-body p{font-size:14.5px;color:var(--gray-700);margin-bottom:20px;min-height:44px;}
.product-body ul{display:grid;gap:8px;margin:0 0 20px;padding:0;list-style:none;}
.product-body li{font-size:13.2px;color:var(--gray-700);display:flex;gap:8px;}
.product-body li::before{content:"";width:6px;height:6px;background:var(--red);border-radius:50%;margin-top:8px;flex-shrink:0;}
.product-links{display:flex;align-items:center;justify-content:space-between;gap:14px;border-top:1px solid var(--gray-100);padding-top:18px;}
.products .product-links{display:none;}

/* ---------- about / features ---------- */
.about{padding:110px 0;background:var(--gray-50);}
.about-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:54px;align-items:stretch;margin-bottom:80px;}
.about-content{display:flex;flex-direction:column;gap:34px;min-width:0;}
.about-copy h2{font-size:clamp(30px,3.45vw,48px);line-height:.98;letter-spacing:-.045em;margin-bottom:34px;max-width:620px;}
.about-copy h3{font-size:18px;margin:0 0 10px;}
.about-copy p{color:var(--gray-700);font-size:15px;margin-bottom:26px;}
.about-factory{
  position:relative;overflow:hidden;margin:0;border-radius:var(--radius);
  min-height:100%;background:var(--black);box-shadow:0 34px 80px -42px rgba(20,19,19,.68);
}
.about-factory::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(20,19,19,0) 35%, rgba(20,19,19,.74) 100%);
  pointer-events:none;
}
.about-factory img{width:100%;height:100%;min-height:560px;object-fit:cover;object-position:center;display:block;transition:transform .55s ease;}
.about-factory:hover img{transform:scale(1.035);}
.about-factory figcaption{
  position:absolute;left:22px;bottom:18px;z-index:2;color:var(--white);
  font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--gray-200);border:1px solid var(--gray-200);border-radius:var(--radius);overflow:hidden;}
.feature-card{background:var(--white);padding:30px 26px;}
.feature-card .num{font-size:13px;font-weight:800;color:var(--red);letter-spacing:.05em;margin-bottom:14px;display:block;}
.feature-card h4{font-size:16px;margin-bottom:8px;}
.feature-card p{font-size:13.5px;color:var(--gray-700);}

.expansion{
  background:var(--black);color:var(--white);border-radius:var(--radius);
  padding:60px;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;
  min-width:0;
}
.expansion > div{min-width:0;}
.expansion h3{font-size:clamp(24px,2.6vw,32px);margin-bottom:18px;}
.expansion h3 span{color:var(--red);}
.expansion p{color:#cfcbc8;font-size:15px;margin-bottom:16px;}
.expansion-list{display:flex;flex-direction:column;gap:14px;min-width:0;}
.expansion-list li{display:flex;flex-wrap:wrap;gap:6px 14px;padding:16px 18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);font-size:14px;color:#e7e4e1;min-width:0;}
.expansion-list li b{color:var(--white);}

.pending-block{
  margin-top:20px;padding:18px 20px;border:1px dashed var(--gray-400);border-radius:var(--radius);
  background:var(--white);font-size:13.5px;color:var(--gray-600);
}
.pending-block b{color:var(--ink);display:block;margin-bottom:4px;font-size:13.5px;}

/* ---------- geography ---------- */
.geo{padding:110px 0;background:var(--white);}
.geo-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:center;}
.geo-copy p{color:var(--gray-700);font-size:15px;margin-bottom:16px;}
.geo-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.geo-tag{font-size:12.5px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;padding:9px 16px;border-radius:30px;border:1px solid var(--gray-200);color:var(--gray-700);}
.geo-tag.active{background:var(--black);color:var(--white);border-color:var(--black);}
.map-frame{border-radius:var(--radius);overflow:hidden;border:1px solid var(--gray-200);aspect-ratio:4/3;box-shadow:var(--shadow);}
.map-frame iframe{width:100%;height:100%;border:0;filter:grayscale(.25) contrast(1.05);}

/* ---------- cta banner ---------- */
.cta-banner{background:var(--red);}
.cta-banner .container{display:grid;grid-template-columns:repeat(3,1fr);}
.cta-banner a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:30px 8px;color:var(--white);font-weight:700;font-size:14.5px;letter-spacing:.02em;text-transform:uppercase;
  border-right:1px solid rgba(255,255,255,.25);transition:background .2s ease;
}
.cta-banner a:last-child{border-right:none;}
.cta-banner a:hover{background:rgba(0,0,0,.12);}
.cta-banner a::after{content:"→";font-size:16px;}

/* ---------- b2b / contact ---------- */
.b2b{padding:110px 0;background:var(--gray-50);}
.b2b-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;}
.b2b-partners{display:flex;flex-direction:column;gap:14px;margin-top:28px;}
.b2b-partner{display:flex;align-items:center;gap:14px;font-size:14.5px;font-weight:600;color:var(--ink);padding:14px 16px;background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);min-width:0;}
.b2b-partner .dot{width:8px;height:8px;border-radius:50%;background:var(--red);flex-shrink:0;}
.b2b-contacts{display:flex;gap:34px;margin-top:32px;}
.b2b-contacts div strong{display:block;font-size:16px;}
.b2b-contacts div span{font-size:12px;color:var(--gray-600);text-transform:uppercase;letter-spacing:.04em;}

.form-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);padding:44px;box-shadow:var(--shadow);}
.form-card h3{font-size:20px;margin-bottom:8px;}
.form-card > p{color:var(--gray-700);font-size:14px;margin-bottom:28px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px;}
.form-field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.form-field label{font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--gray-700);}
.form-field input,.form-field select,.form-field textarea{
  border:1px solid var(--gray-200);border-radius:var(--radius);padding:13px 14px;font-family:var(--font);
  font-size:14px;color:var(--ink);background:var(--gray-50);
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--red);background:var(--white);}
.form-card .btn{width:100%;margin-top:6px;}

/* ---------- footer ---------- */
.site-footer{background:var(--black);color:#c9c5c2;padding:80px 0 0;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:60px;border-bottom:1px solid #2a2827;}
.footer-brand .logo{color:var(--white);margin-bottom:16px;}
.footer-brand p{font-size:14px;color:#a49f9b;max-width:280px;margin-bottom:22px;}
.footer-social{display:flex;gap:12px;}
.footer-social a{width:36px;height:36px;border:1px solid #3a3836;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;transition:border-color .2s ease,background .2s ease,transform .2s ease;}
.footer-social a:hover{border-color:var(--red);color:var(--white);}
.footer-social img{width:16px;height:16px;object-fit:contain;filter:brightness(0) invert(1);opacity:.96;}
.footer-col h5{font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--white);margin-bottom:20px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:#a49f9b;}
.footer-col a:hover{color:var(--white);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:26px 0;font-size:12.5px;color:#7a7571;}

/* ---------- breadcrumb + page hero (product detail) ---------- */
.breadcrumb{background:var(--gray-50);border-bottom:1px solid var(--gray-100);}
.breadcrumb .container{display:flex;align-items:center;gap:8px;height:56px;font-size:13px;color:var(--gray-600);}
.breadcrumb a:hover{color:var(--red);}
.breadcrumb .sep{color:var(--gray-400);}
.breadcrumb .current{color:var(--ink);font-weight:700;}

.page-hero{
  position:relative;min-height:430px;display:flex;align-items:flex-end;color:var(--white);
  padding:92px 0 58px;overflow:hidden;background:var(--black);
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(115deg,#2a2827,#141313);
}
.page-hero-video{
  position:absolute;inset:0;z-index:1;width:100%;height:100%;object-fit:cover;
  opacity:1;filter:saturate(.92) contrast(1.04);
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:2;
  background:linear-gradient(90deg, rgba(20,19,19,.86) 0%, rgba(20,19,19,.64) 48%, rgba(20,19,19,.28) 100%);
}
.page-hero .container{position:relative;z-index:3;}
.page-hero .eyebrow{color:#ff8a80;}
.page-hero h1{font-size:clamp(34px,4.8vw,58px);max-width:760px;}
@keyframes productHeroMove{
  from{transform:scale(1) translate3d(0,0,0);}
  to{transform:scale(1.09) translate3d(-18px,-10px,0);}
}

.intro{padding:80px 0 50px;}
.intro-wrap{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:stretch;}
.intro-copy{
  display:flex;flex-direction:column;justify-content:center;
  background:var(--gray-50);padding:44px;border-radius:var(--radius);
}
.intro-copy p{font-size:15.5px;color:var(--gray-700);margin-bottom:18px;}
.intro-copy .usage{margin-top:24px;padding:20px 22px;background:var(--gray-50);border-left:3px solid var(--red);font-size:14px;color:var(--ink);}
.intro-media{min-height:430px;background:linear-gradient(135deg,var(--gray-100),var(--gray-50));border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative;}
.intro-media::before{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:
    linear-gradient(90deg, var(--white) 0%, rgba(255,255,255,0) 18%, rgba(255,255,255,0) 82%, var(--white) 100%),
    linear-gradient(0deg, var(--white) 0%, rgba(255,255,255,0) 16%, rgba(255,255,255,0) 84%, var(--white) 100%);
  opacity:.38;
}
.intro-media img{width:100%;height:100%;object-fit:cover;}

.hero-banner{aspect-ratio:21/8;background:linear-gradient(135deg,var(--gray-100),var(--gray-50));display:flex;align-items:center;justify-content:center;margin-top:-1px;overflow:hidden;}
.hero-banner img{width:100%;height:100%;object-fit:cover;}

.structure{padding:80px 0;background:var(--gray-50);}
.structure-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.structure-grid-four{grid-template-columns:repeat(4,1fr);}
.structure-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;}
.structure-card-wide{grid-column:span 2;}
.structure-media{width:100%;aspect-ratio:16/10;flex-shrink:0;background:#f2f0ed;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.structure-media svg{width:34px;height:34px;color:var(--red);}
.structure-media img{width:100%;height:100%;object-fit:cover;object-position:center;padding:0;}
.structure-copy{padding:22px 24px;}
.structure-copy h4{font-size:15.5px;margin-bottom:8px;}
.structure-copy p{font-size:13.5px;color:var(--gray-700);}

.info-band{padding:80px 0;background:var(--white);}
.usecase-grid,.type-grid,.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.image-card{position:relative;min-height:310px;border-radius:var(--radius);overflow:hidden;background:var(--black);color:var(--white);display:flex;align-items:flex-end;isolation:isolate;}
.image-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;transform:scale(1.04);transition:transform .45s ease;}
.image-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(20,19,19,.02) 10%, rgba(20,19,19,.88) 100%);}
.image-card:hover img{transform:scale(1.09);}
.image-card-body{position:relative;z-index:2;padding:24px;}
.image-card-body h4{font-size:16px;margin-bottom:8px;color:var(--white);}
.image-card-body p{font-size:13.5px;color:#ded8d3;line-height:1.5;}
.type-card,.spec-card{
  background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius);
  padding:22px;display:flex;flex-direction:column;gap:14px;
}
.type-card img,.spec-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius);}
.type-grid:has(.type-card:nth-child(2):last-child){grid-template-columns:repeat(2,1fr);}
.type-grid:has(.type-card:nth-child(2):last-child) .type-card img{aspect-ratio:16/9;}
.type-card h4,.spec-card h4{font-size:16px;}
.type-card p,.spec-card p{font-size:13.5px;color:var(--gray-700);}
.type-layout-featured{display:grid;grid-template-columns:1fr .82fr;gap:24px;align-items:stretch;}
.type-layout-featured .type-grid{grid-template-columns:1fr 1fr;}
.type-side-photo{position:relative;margin:0;border-radius:var(--radius);overflow:hidden;background:var(--black);min-height:100%;}
.type-side-photo img{width:100%;height:100%;min-height:330px;object-fit:cover;display:block;}
.type-side-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(20,19,19,0) 25%, rgba(20,19,19,.78) 100%);}
.type-side-photo figcaption{position:absolute;left:24px;right:24px;bottom:22px;z-index:2;color:var(--white);font-size:14px;line-height:1.55;font-weight:600;}
.feature-strip{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:28px;}
.feature-panel{background:var(--black);color:var(--white);border-radius:var(--radius);overflow:hidden;display:grid;grid-template-columns:.9fr 1.1fr;align-items:stretch;}
.feature-panel img{width:100%;height:100%;object-fit:cover;min-height:260px;}
.feature-panel-copy{padding:36px;}
.feature-panel-copy h3{font-size:22px;margin-bottom:14px;color:var(--white);}
.feature-panel-copy p,.feature-panel-copy li{color:#d8d5d2;font-size:14px;}
.feature-panel-copy ul{display:grid;gap:10px;margin-top:18px;}
.feature-panel-copy li{display:flex;gap:10px;}
.feature-panel-copy li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--red);margin-top:8px;flex-shrink:0;}

.gallery-strip{padding:80px 0;background:var(--white);}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.gallery-item{aspect-ratio:3/4;background:linear-gradient(135deg,var(--gray-100),var(--gray-50));border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden;}
.gallery-item img{width:100%;height:100%;object-fit:cover;}

.coating{padding:80px 0;background:var(--gray-50);color:var(--ink);}
.coating .section-head{max-width:640px;text-align:left;margin-bottom:48px;}
.coating .section-head::after{display:none;}
.coating .section-head .eyebrow{display:inline-flex;}
.coating .section-head h2{font-size:clamp(28px,3.4vw,40px);text-transform:none;letter-spacing:-.01em;color:var(--ink);margin-bottom:16px;}
.coating-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:34px;align-items:stretch;}
.coating-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);padding:0;overflow:hidden;color:var(--ink);display:flex;flex-direction:column;}
.coating-card img{width:100%;height:300px;object-fit:contain;background:#111;border-radius:0;padding:18px;}
.coating-card div{padding:28px;margin-top:0;}
.coating-card svg{width:32px;height:32px;color:var(--red);margin-bottom:16px;}
.coating-card h4{font-size:16.5px;margin-bottom:10px;text-transform:none;letter-spacing:-.01em;color:var(--ink);}
.coating-card p{font-size:14px;line-height:1.6;color:var(--gray-700);font-weight:500;text-transform:none;max-width:none;}
.coating-showcase{
  background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);
  padding:34px 34px 0;overflow:hidden;
}
.coating-info-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:22px;}
.coating-info-grid article{
  background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);
  min-height:138px;padding:30px 34px;display:flex;flex-direction:column;justify-content:center;
}
.coating-info-grid h4{font-size:17px;margin-bottom:10px;color:var(--ink);}
.coating-info-grid p{font-size:14px;line-height:1.6;color:var(--gray-700);max-width:480px;}
.coating-showcase .ral-strip{
  background:var(--white);border:1px solid var(--gray-200);border-left:3px solid var(--red);
  border-radius:var(--radius);margin-bottom:0;padding:20px 24px;color:var(--ink);
}
.coating-visual{
  position:relative;height:330px;margin:8px -34px 0;background:var(--white);overflow:hidden;
}
.coating-visual img{position:absolute;display:block;max-width:none;object-fit:contain;height:auto;}
.coating-visual-profiles{left:-18px;bottom:-46px;width:39%;z-index:2;}
.coating-visual-pulver{left:23%;bottom:-34px;width:51%;z-index:3;}
.coating-visual-fan{right:-22px;bottom:-120px;width:29%;z-index:4;}
.coating-visual-profiles{aspect-ratio:1219/1290;}
.coating-visual-pulver{aspect-ratio:2020/778;}
.coating-visual-fan{aspect-ratio:1024/1536;}
.ral-strip{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;background:var(--white);color:var(--ink);border:1px solid var(--gray-200);border-left:3px solid var(--red);border-radius:var(--radius);padding:20px 24px;font-size:14.5px;font-weight:600;text-transform:none;}
.ral-link{font-size:13px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--black);border-bottom:2px solid var(--red);padding-bottom:4px;white-space:nowrap;}
.ral-link:hover{color:var(--red);}

.options{padding:80px 0;background:var(--white);}
.options-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.options-grid:has(.option-card:nth-child(3):last-child){grid-template-columns:repeat(3,1fr);}
.option-card{border:1px solid var(--gray-100);border-radius:var(--radius);overflow:hidden;background:var(--white);}
.option-card img{width:100%;aspect-ratio:4/3;object-fit:contain;background:var(--black);padding:18px;}
.option-card div{padding:22px;}
.option-card svg{width:30px;height:30px;color:var(--red);margin-bottom:16px;}
.option-card h4{font-size:15px;margin-bottom:8px;}
.option-card p{font-size:13.5px;color:var(--gray-700);}
.season-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:28px;}
.season-card{display:grid;grid-template-columns:1fr 1fr;background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius);overflow:hidden;}
.season-card img{width:100%;height:100%;min-height:220px;object-fit:cover;}
.season-card-zip img{transform:scale(1.08);object-position:center 54%;}
.season-card div{padding:28px;}
.season-card h4{font-size:17px;margin-bottom:10px;}
.season-card p{font-size:14px;color:var(--gray-700);}

.final-cta{
  position:relative;overflow:hidden;padding:90px 0;text-align:center;color:var(--white);
  background:linear-gradient(120deg, var(--black) 0%, #2a1614 100%);
}
.final-cta-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;opacity:1;filter:saturate(.9) contrast(1.05);}
.final-cta::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg, rgba(20,19,19,.88) 0%, rgba(20,19,19,.7) 48%, rgba(20,19,19,.86) 100%);
}
.final-cta .container{position:relative;z-index:2;}
.final-cta h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:16px;}
.final-cta p{color:#d8d5d2;max-width:520px;margin:0 auto 34px;font-size:15.5px;}
.related{padding:90px 0;background:var(--gray-50);}
.related .product-grid{grid-template-columns:repeat(3,1fr);}
.related .product-card{background:var(--white);}
.related .product-body p{margin-bottom:0;}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .about-grid,.expansion,.geo-wrap,.b2b-wrap,.intro-wrap{grid-template-columns:1fr;}
  .about-factory img{min-height:420px;}
  .expansion{padding:44px;}
  .footer-top{grid-template-columns:1fr 1fr;}
  .structure-grid{grid-template-columns:repeat(2,1fr);}
  .structure-grid-four{grid-template-columns:repeat(2,1fr);}
  .structure-card-wide{grid-column:auto;}
  .usecase-grid,.type-grid,.spec-grid{grid-template-columns:repeat(2,1fr);}
  .options-grid{grid-template-columns:repeat(2,1fr);}
  .options-grid:has(.option-card:nth-child(3):last-child){grid-template-columns:repeat(2,1fr);}
  .type-layout-featured{grid-template-columns:1fr;}
  .type-layout-featured .type-grid{grid-template-columns:1fr 1fr;}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
  .coating-showcase{padding:24px 24px 0;}
  .coating-info-grid{gap:18px;}
  .coating-visual{height:300px;margin:8px -24px 0;}
  .coating-visual-profiles{width:43%;bottom:-46px;}
  .coating-visual-pulver{left:19%;width:60%;bottom:-30px;}
  .coating-visual-fan{right:-48px;width:35%;bottom:-110px;}
}
@media (max-width:860px){
  .header-phone{display:none;}
  .burger{display:block;}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--white);border-top:1px solid var(--gray-100);
    box-shadow:0 16px 30px -14px rgba(20,19,19,.3);
    padding:6px 24px 18px;max-height:0;overflow:hidden;
    opacity:0;transition:max-height .28s ease,opacity .2s ease;
  }
  .main-nav.open{max-height:420px;opacity:1;}
  .main-nav a{width:100%;padding:15px 0;border-bottom:1px solid var(--gray-100);}
  .main-nav a:last-child{border-bottom:none;}
  .main-nav a::after{display:none;}
  .topbar-left span:not(:first-child){display:none;}
  .product-grid{grid-template-columns:1fr;}
  .related .product-grid{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr;}
  .usecase-grid,.type-grid,.spec-grid{grid-template-columns:repeat(2,1fr);}
  .image-card{min-height:280px;}
  .hero-stats{gap:34px;row-gap:18px;flex-wrap:wrap;}
  .cta-banner .container{grid-template-columns:1fr;}
  .cta-banner a{border-right:none;border-bottom:1px solid rgba(255,255,255,.25);}
  .form-row{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
  .coating-grid{grid-template-columns:1fr;}
  .feature-panel,.season-card{grid-template-columns:1fr;}
  .options-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  .site-header .container{height:68px;}
  .logo{font-size:19px;}
  .header-cta .btn{padding:11px 16px;font-size:11.5px;}
  .topbar-left a[href^="mailto"]{display:none;}
  .topbar-right{gap:10px;}
  .topbar-social{display:none;}
  .hero{padding:88px 0 60px;min-height:auto;}
  .hero-badge{font-size:10.5px;padding:8px 16px;white-space:normal;}
  .hero p.lead{font-size:15.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn{white-space:normal;text-align:center;line-height:1.3;}
  .section-head{margin-bottom:32px;}
  .products,.about,.geo,.b2b,.intro,.structure,.gallery-strip,.coating,.options,.final-cta,.related{padding-top:64px;padding-bottom:64px;}
  .usecase-grid,.type-grid,.spec-grid,.structure-grid{grid-template-columns:1fr;}
  .image-card{min-height:340px;}
  .about-factory img{min-height:300px;}
  .expansion{padding:28px;border-radius:var(--radius);}
  .expansion-list li{font-size:13.5px;}
  .form-card{padding:26px 22px;}
  .options-grid{grid-template-columns:1fr;}
  .options-grid:has(.option-card:nth-child(3):last-child){grid-template-columns:1fr;}
  .structure-card{flex-direction:column;}
  .structure-grid-four{grid-template-columns:1fr;}
  .structure-media{width:100%;aspect-ratio:16/9;}
  .type-layout-featured .type-grid{grid-template-columns:1fr;}
  .type-side-photo img{min-height:260px;}
  .b2b-contacts{flex-direction:column;gap:16px;}
  .footer-bottom{flex-direction:column;gap:8px;align-items:flex-start;}
  .product-links{flex-wrap:wrap;}
  .page-hero{min-height:310px;padding:74px 0 38px;}
  .page-hero h1{font-size:clamp(30px,10.5vw,42px);}
  .coating-card img{height:230px;}
  .coating-card p{font-size:13.5px;}
  .coating-showcase{padding:16px 16px 0;}
  .coating-info-grid{grid-template-columns:1fr;gap:12px;margin-bottom:14px;}
  .coating-info-grid article{min-height:auto;padding:22px;}
  .coating-showcase .ral-strip{padding:16px 18px;margin-bottom:10px;}
  .coating-visual{height:240px;margin:0 -16px;}
  .coating-visual-profiles{left:-18px;bottom:-36px;width:56%;}
  .coating-visual-pulver{left:15%;bottom:-20px;width:72%;}
  .coating-visual-fan{right:-72px;bottom:-104px;width:48%;}
  .ral-strip{font-size:13.5px;padding:16px 18px;}
  .intro-copy{padding:28px 22px;}
  .intro-media{aspect-ratio:16/10;min-height:240px;}
  .season-card img{min-height:210px;}
}
@media (max-width:480px){
  .header-cta{display:none;}
  .hero-stat{min-width:44%;}
  .topbar .container{height:auto;min-height:42px;padding-top:7px;padding-bottom:7px;gap:10px;}
  .topbar-left{gap:14px;flex-wrap:wrap;font-size:12px;}
  .hero h1{font-size:clamp(31px,11vw,40px);}
  .hero-stats{gap:22px 18px;}
  .hero-stat strong{font-size:30px;}
  .product-body{padding:22px 20px;}
  .image-card{min-height:320px;}
  .form-card{padding:24px 18px;}
  .coating-visual{height:220px;}
  .coating-visual-profiles{width:62%;bottom:-30px;}
  .coating-visual-pulver{left:10%;width:78%;bottom:-14px;}
  .coating-visual-fan{right:-82px;width:54%;bottom:-92px;}
}

/* ---------- print / PDF export ---------- */
@media print{
  *{-webkit-print-color-adjust:exact;print-color-adjust:exact;}
  .site-header{position:static;}
  .burger{display:none !important;}
  .header-cta{display:flex !important;}
  .header-phone{display:flex !important;}
  .main-nav{
    position:static !important;max-height:none !important;opacity:1 !important;
    display:flex !important;flex-direction:row !important;box-shadow:none;
    border-top:none;padding:0;gap:24px;
  }
  .main-nav a{border-bottom:none;padding:0;width:auto;}
  .hero-video{display:none;}
  .hero{
    background-image:linear-gradient(100deg, rgba(20,19,19,.86) 15%, rgba(20,19,19,.62) 55%, rgba(20,19,19,.4) 100%), var(--print-hero-bg, none);
    background-size:cover;background-position:center;
  }
  .product-card:hover{box-shadow:none;transform:none;}
  .product-card:hover .product-media img{transform:none;}
  a[href^="#"]::after,.link-arrow::after{content:"";}
  section{break-inside:avoid-page;}
  .structure-card,.product-card,.feature-card,.option-card,.coating-card{break-inside:avoid;}
}