:root{--bg:#ffffff;--card:#f8fafc;--text:#0f172a;--muted:#475569;--brand:#22c55e;--accent:#0ea5e9}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Fira Sans","Droid Sans","Helvetica Neue",sans-serif;background:var(--bg);color:var(--text)}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;background:rgba(255,255,255,.85);backdrop-filter:saturate(140%) blur(6px);border-bottom:1px solid #e5e7eb;z-index:50}
.header-wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo img{display:block}
.nav a{color:var(--text);text-decoration:none;margin:0 12px}
.nav .cta{padding:10px 14px;border-radius:8px;background:#ffffff;color:#0f172a;border:1px solid #e2e8f0;font-weight:600}
.construction-banner{background:#ffffff;border-bottom:1px solid #e5e7eb;color:#334155;padding:10px 0;text-align:center;font-weight:600}
.hero{padding:92px 0;background:#ffffff}
.hero h1{font-size:36px;line-height:1.2;margin:0 0 12px;font-weight:700}
.hero p{max-width:840px;color:#334155;margin:0 0 24px}
.cta-row{display:flex;gap:12px;align-items:center}
.btn.secondary{background:#ffffff;color:#0f172a;border:1px solid #e2e8f0}
.search{margin-top:10px}
.search label{display:block;margin-bottom:8px;color:#334155}
.search-row{display:flex;gap:10px}
.search input{flex:1;padding:12px 14px;border-radius:12px;border:1px solid #e2e8f0;background:#ffffff;color:var(--text)}
.search button{padding:12px 18px;border-radius:12px;border:1px solid #e2e8f0;background:#ffffff;color:#0f172a;font-weight:600}
.categories{padding:48px 0}
.categories h2{font-size:28px;margin:0 0 18px}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{display:block;padding:20px;border-radius:16px;background:#ffffff;text-decoration:none;color:var(--text);border:1px solid #e5e7eb;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:#475569}
.featured{padding:40px 0}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{background:#ffffff;border:1px solid #e5e7eb;border-radius:16px;padding:20px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.step .num{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#f1f5f9;color:#0f172a;font-weight:700;margin-bottom:10px;border:1px solid #e2e8f0}
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.feature{background:#ffffff;border:1px solid #e5e7eb;border-radius:16px;padding:20px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.feature h3{margin:0 0 8px;font-size:18px}
.brand-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.brand-chip{border:1px solid #e5e7eb;border-radius:999px;padding:10px 14px;background:#ffffff;text-align:center;color:#0f172a}
.products{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.product{background:var(--card);border:1px solid #e5e7eb;border-radius:16px;padding:16px}
.product h3{margin:0 0 6px;font-size:18px}
.price{display:inline-block;margin:8px 0 12px;color:#065f46}
.btn{display:inline-block;padding:10px 14px;border-radius:12px;background:#ffffff;color:#0f172a;border:1px solid #e2e8f0;text-decoration:none;font-weight:600}
.about{padding:40px 0}
.benefits{list-style:disc;padding-left:20px;color:#334155}
.faq{padding:40px 0}
details{background:var(--card);border:1px solid #e5e7eb;border-radius:16px;padding:12px;margin-bottom:10px}
.contact{padding:40px 0}
.contact-info{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:16px 0 20px}
.info-item{background:#ffffff;border:1px solid #e5e7eb;border-radius:16px;padding:16px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.info-item h3{margin:0 0 8px;font-size:16px}
.form-row{display:flex;flex-direction:column;margin-bottom:12px}
.form-row input,.form-row textarea{padding:10px 12px;border-radius:12px;border:1px solid #e2e8f0;background:#ffffff;color:var(--text)}
.site-footer{border-top:1px solid #e5e7eb;padding:22px 0;color:#334155}
.footer-nav a{color:#334155;text-decoration:none;margin-right:12px}
@media (max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}.products{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){
  .grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .features{grid-template-columns:1fr}
  .brand-grid{grid-template-columns:repeat(2,1fr)}
  .products{grid-template-columns:1fr}
  .contact-info{grid-template-columns:1fr}
  .hero h1{font-size:28px}
  .header-wrap{flex-wrap:wrap;gap:8px}
  .nav{width:100%;display:flex;gap:10px;flex-wrap:wrap}
  .nav a,.nav .cta{flex:1 1 calc(50% - 10px);text-align:center;padding:12px 10px;border:1px solid #e2e8f0;border-radius:10px}
  .cta-row{flex-direction:column}
}