:root{
  --bg:#f6f8f7;
  --surface:#ffffff;
  --text:#102235;
  --muted:#64748b;
  --line:#dbe4e1;
  --brand:#0b6b62;
  --brand-dark:#07534d;
  --accent:#dff3ee;
  --navy:#0e2234;
  --shadow:0 18px 50px rgba(16,34,53,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Segoe UI,Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(1160px,92%);margin:auto}
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(16,34,53,.07);
}
.nav{
  min-height:76px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:flex;align-items:center;gap:12px;font-weight:800}
.logo-mark{
  width:48px;height:38px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#1a8f83);
  color:white;font-size:20px;letter-spacing:-1px;
}
.logo-copy{line-height:1.05}
.logo-copy small{display:block;font-weight:500;color:var(--muted);font-size:11px;margin-top:5px}
.nav-links{display:flex;gap:24px;align-items:center;font-size:14px;font-weight:600}
.nav-links a:hover{color:var(--brand)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:0 18px;border-radius:10px;
  background:var(--brand);color:#fff;font-weight:800;border:1px solid var(--brand);
  transition:.2s ease;
}
.btn:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn.outline{background:transparent;color:var(--brand)}
.mobile-toggle{display:none;background:none;border:0;font-size:28px;color:var(--navy)}

.hero{
  min-height:680px;
  background:
    linear-gradient(90deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.90) 35%,rgba(255,255,255,.18) 68%,rgba(255,255,255,.05) 100%),
    url("../images/hero-factory.jpg") center/cover no-repeat;
  display:flex;align-items:center;
}
.hero-inner{padding:78px 0;max-width:1160px}
.hero-inner h1{max-width:680px}
.hero-inner p{max-width:650px}
.eyebrow{
  color:var(--brand);font-weight:900;font-size:13px;letter-spacing:2px;text-transform:uppercase
}
h1{font-size:clamp(44px,6vw,76px);line-height:1.03;letter-spacing:-2.5px;margin:16px 0 22px}
.hero p{font-size:19px;color:#46576a;max-width:610px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.trust-strip{
  margin-top:-42px;position:relative;z-index:3;
}
.trust-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow);overflow:hidden;
}
.trust-item{padding:24px;display:flex;gap:14px;align-items:flex-start}
.trust-item+ .trust-item{border-left:1px solid var(--line)}
.icon{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:var(--accent);color:var(--brand);font-weight:900;flex:0 0 42px
}
.trust-item strong{display:block;margin-bottom:4px}
.trust-item span{font-size:13px;color:var(--muted)}
section{padding:86px 0}
.section-head{
  display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:34px
}
.section-head h2{font-size:clamp(32px,4vw,48px);line-height:1.1;margin:8px 0 0}
.section-head p{max-width:500px;color:var(--muted)}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.product-card{
  background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;
  box-shadow:0 12px 30px rgba(16,34,53,.05);
}
.product-card img{width:100%;height:220px;object-fit:cover}
.product-card-body{padding:24px}
.product-card h3{font-size:23px;margin:4px 0 10px}
.product-card p{color:var(--muted);margin:0 0 16px}
.text-link{color:var(--brand);font-weight:800}
.feature-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:24px}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:30px;
  box-shadow:0 12px 30px rgba(16,34,53,.05)
}
.panel h3{font-size:28px;margin:0 0 12px}
.panel p{color:var(--muted)}
.quality-layout{display:grid;grid-template-columns:1fr 170px;gap:20px;align-items:stretch}
.quality-layout img{width:100%;height:100%;object-fit:cover;border-radius:14px}
.checklist{list-style:none;padding:0;margin:22px 0 0}
.checklist li{padding:8px 0;color:#435365}
.checklist li::before{content:"✓";color:var(--brand);font-weight:900;margin-right:10px}
.map-card img{border-radius:14px;width:100%;margin-top:18px}
.cta-band{
  background:linear-gradient(135deg,var(--navy),#133b4f);color:#fff;border-radius:24px;
  padding:42px;display:flex;justify-content:space-between;align-items:center;gap:30px
}
.cta-band p{color:#c9d7df;max-width:650px}
.page-hero{padding:100px 0 64px;background:linear-gradient(135deg,#eef5f3,#fff)}
.page-hero h1{font-size:clamp(40px,5vw,64px)}
.page-hero p{max-width:760px;color:var(--muted);font-size:18px}
.product-detail{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-bottom:70px
}
.product-detail:nth-child(even) .product-image{order:2}
.product-detail img{width:100%;height:360px;object-fit:cover;border-radius:20px}
.specs{
  display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px
}
.spec{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px
}
.spec strong{display:block}
.spec span{font-size:13px;color:var(--muted)}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px}
.contact-card,.form-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px
}
.contact-card h3,.form-card h3{margin-top:0;font-size:28px}
.contact-line{padding:15px 0;border-bottom:1px solid var(--line)}
.contact-line:last-child{border-bottom:0}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:grid;gap:6px}
.field.full{grid-column:1/-1}
label{font-size:13px;font-weight:800}
input,select,textarea{
  width:100%;border:1px solid #cdd9d5;background:#fbfdfc;border-radius:10px;padding:13px 14px;
  color:var(--text);font:inherit
}
textarea{min-height:145px;resize:vertical}
.footer{
  margin-top:70px;background:var(--navy);color:#fff;padding:55px 0 28px
}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}
.footer h4{margin-top:0}
.footer a,.footer p{color:#bdcbd5;font-size:14px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:22px;color:#91a6b3;font-size:13px}
.note{
  background:#fff8df;border:1px solid #efd78a;border-radius:12px;padding:16px;color:#6c5a1e;font-size:14px
}
@media(max-width:900px){
  .nav-links{display:none;position:absolute;left:0;right:0;top:76px;background:white;padding:20px 4%;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}
  .nav-links.open{display:flex}
  .mobile-toggle{display:block}
  .desktop-cta{display:none}
  .hero{min-height:620px;background-position:62% center}
  .hero-inner{max-width:620px}
  .trust-grid,.product-grid,.feature-grid,.contact-grid,.footer-grid,.product-detail{grid-template-columns:1fr}
  .trust-item+ .trust-item{border-left:0;border-top:1px solid var(--line)}
  .section-head{display:block}
  .product-detail:nth-child(even) .product-image{order:0}
  .form-grid{grid-template-columns:1fr}
  .quality-layout{grid-template-columns:1fr}
  .quality-layout img{height:250px}
}
@media(max-width:560px){
  h1{font-size:43px}
  .hero{min-height:600px;background:
    linear-gradient(rgba(255,255,255,.92),rgba(255,255,255,.88)),
    url("../images/hero-factory.jpg") center/cover no-repeat}
  .trust-strip{margin-top:0;padding-top:20px}
  .cta-band{display:block;padding:28px}
  .specs{grid-template-columns:1fr}
}

.whatsapp-float{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:1000;
  display:flex;
  align-items:center;
  gap:10px;
  min-height:54px;
  padding:0 18px 0 12px;
  border-radius:999px;
  background:#25D366;
  color:#fff;
  font-weight:800;
  box-shadow:0 12px 30px rgba(0,0,0,.22);
  border:2px solid rgba(255,255,255,.75);
  transition:transform .2s ease, box-shadow .2s ease;
}
.whatsapp-float:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 36px rgba(0,0,0,.28);
}
.whatsapp-icon{
  width:34px;
  height:34px;
  border-radius:50%;
  background:#fff;
  color:#25D366;
  display:grid;
  place-items:center;
  font-size:18px;
  font-weight:900;
}
.whatsapp-label{white-space:nowrap}
@media(max-width:560px){
  .whatsapp-float{
    right:14px;
    bottom:14px;
    min-height:52px;
    padding:0 14px 0 10px;
  }
  .whatsapp-label{font-size:14px}
}