:root{
  --primary:#2a6f6f;
  --bg:#f5f5f5;
  --card:#fff;
  --text:#1f2937;
  --muted:#6b7280;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",system-ui,sans-serif;background:var(--bg);color:var(--text)}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.top-bar{background:#fff;border-bottom:1px solid #e5e7eb;font-size:13px}
.top-bar .container{display:flex;justify-content:space-between;padding:8px 20px}
.top-bar-left,.top-bar-right{display:flex;gap:14px;align-items:center}
.top-bar a{color:#374151;text-decoration:none}
.header{background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.06)}
.header .container{display:grid;grid-template-columns:220px 1fr 220px;gap:20px;align-items:center;padding:16px 20px}
.logo h1{margin:0;color:var(--primary)}
.logo img{height:48px;object-fit:contain}
.header-search{display:flex}
.header-search input{flex:1;padding:10px;border:1px solid #d1d5db;border-radius:8px 0 0 8px}
.header-search button{background:var(--primary);color:#fff;border:none;padding:0 14px;border-radius:0 8px 8px 0}
.header-phone{display:flex;gap:8px;justify-content:flex-end;color:var(--text);text-decoration:none}
.main-nav{background:var(--primary)}
.nav-toggle{display:none}
.nav-menu{display:flex;gap:18px;list-style:none;margin:0;padding:12px 0}
.nav-menu a{color:#fff;text-decoration:none;font-weight:500}
.has-dropdown{position:relative}
.dropdown{display:none;position:absolute;top:100%;left:0;background:#fff;list-style:none;min-width:220px;padding:6px 0;border-radius:8px;box-shadow:0 8px 20px rgba(0,0,0,.12)}
.dropdown a{color:#111827;display:block;padding:8px 12px}
.has-dropdown:hover .dropdown{display:block}
.section{padding:24px 0}
.slider{position:relative;border-radius:12px;overflow:hidden;background:#e5e7eb}
.slide{display:none;position:relative}
.slide.active{display:block}
.slide img{width:100%;height:320px;object-fit:cover;display:block}
.slide-content{position:absolute;left:24px;bottom:24px;background:rgba(0,0,0,.45);color:#fff;padding:14px;border-radius:10px}
.btn{background:var(--primary);color:#fff;border:none;border-radius:8px;padding:8px 12px;text-decoration:none;display:inline-block}
.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.category-card{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:12px;text-decoration:none;color:#1f2937;text-align:center}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.product-card{background:var(--card);border:1px solid #e5e7eb;border-radius:12px;overflow:hidden;transition:.25s}
.product-card:hover{box-shadow:0 8px 20px rgba(0,0,0,.08)}
.product-card a{text-decoration:none;color:inherit;display:block}
.product-card img,.no-image{width:100%;height:180px;object-fit:cover;background:#eef2f7;display:flex;align-items:center;justify-content:center}
.product-card h4{margin:10px 12px;font-size:15px}
.price{margin:0 12px 14px;color:var(--primary);font-weight:700}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.news-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;overflow:hidden;text-decoration:none;color:inherit;padding-bottom:8px}
.news-card img{width:100%;height:180px;object-fit:cover}
.news-card h4{margin:10px 12px 6px}
.news-card p{margin:0 12px 12px;color:var(--muted)}
.layout{display:grid;grid-template-columns:260px 1fr;gap:18px}
.filters{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:14px;height:fit-content}
.filters form{display:grid;gap:8px}
.filters input,.filters select,.contact-form input,.contact-form textarea{width:100%;padding:9px;border:1px solid #d1d5db;border-radius:8px}
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.main-image{width:100%;height:380px;object-fit:cover;border-radius:10px}
.thumbs{display:flex;gap:8px;margin-top:8px}
.thumbs img{width:72px;height:72px;object-fit:cover;border-radius:8px;cursor:pointer;border:2px solid transparent}
.thumbs img:hover{border-color:var(--primary)}
.article{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:18px}
.article img{max-width:100%;border-radius:10px}
.footer{background:#111827;color:#e5e7eb;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:28px 0}
.footer a{color:#cbd5e1;text-decoration:none}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:12px 0;font-size:13px}
@media (max-width:992px){
  .header .container{grid-template-columns:1fr;gap:12px}
  .header-phone{justify-content:flex-start}
  .product-grid,.category-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .layout{grid-template-columns:1fr}
}
@media (max-width:768px){
  .top-bar .container{flex-direction:column;align-items:flex-start;gap:6px}
  .nav-toggle{display:inline-flex;align-items:center;gap:6px;background:#fff;color:#111827;border:none;border-radius:6px;padding:7px 10px;margin:8px 0}
  .nav-menu{display:none;flex-direction:column;padding:10px 0}
  .nav-menu.open{display:flex}
  .has-dropdown .dropdown{position:static;display:block;background:transparent;box-shadow:none;padding-left:12px}
  .has-dropdown .dropdown a{color:#e5e7eb;padding:5px 0}
  .product-grid,.category-grid,.news-grid{grid-template-columns:1fr}
  .product-detail{grid-template-columns:1fr}
}