:root{
  --green:#129a3a; --green-d:#0e7e2f; --green-l:#30ba0e; --ink:#2a2f35; --muted:#6b7280;
  --line:#e5e7eb; --bg:#f4f6f8; --white:#fff; --radius:6px; --wrap:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:'Roboto',-apple-system,Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--white);font-size:15px;line-height:1.55}
a{color:var(--green);text-decoration:none}
a:hover{color:var(--green-l)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
h1,h2,h3{color:var(--ink);line-height:1.25;margin:0 0 .5em}
h1{font-size:28px;font-weight:700}
h2{font-size:22px;font-weight:700}
.btn{display:inline-block;background:var(--green);color:#fff;padding:10px 18px;border-radius:var(--radius);border:0;font-size:14px;cursor:pointer;transition:.15s;font-weight:500}
.btn:hover{background:var(--green-d);color:#fff}
.btn-o{background:#fff;color:var(--green);border:1px solid var(--green)}
.btn-o:hover{background:var(--green);color:#fff}

/* topbar */
.topbar{background:var(--ink);color:#cbd2d9;font-size:13px}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:38px;gap:16px}
.topbar a{color:#cbd2d9}
.topbar a:hover{color:#fff}
.topbar .tb-r{display:flex;gap:18px;align-items:center}

/* header */
.hdr{border-bottom:1px solid var(--line);background:#fff}
.hdr .wrap{display:flex;align-items:center;gap:28px;padding-top:16px;padding-bottom:16px}
.logo img{height:52px;width:auto}
.search{flex:1;display:flex;max-width:520px}
.search input{flex:1;border:1px solid var(--line);border-right:0;border-radius:var(--radius) 0 0 var(--radius);padding:10px 14px;font-size:14px;outline:none}
.search input:focus{border-color:var(--green)}
.search button{border-radius:0 var(--radius) var(--radius) 0;padding:10px 20px}
.hdr-contact{text-align:right;line-height:1.3}
.hdr-contact .ph{font-size:19px;font-weight:700;color:var(--ink);white-space:nowrap}
.hdr-contact .ph a{color:var(--ink)}
.hdr-contact small{color:var(--muted);font-size:12px}
.hdr-contact .btn{margin-top:6px;padding:7px 14px;font-size:13px}

/* nav */
.nav{background:var(--green)}
.nav .wrap{display:flex;flex-wrap:wrap;align-items:stretch}
.nav a{color:#fff;padding:13px 18px;font-size:15px;font-weight:500;display:flex;align-items:center;gap:8px}
.nav a:hover,.nav a.active{background:var(--green-d);color:#fff}
.nav .cat-btn{background:var(--green-d)}
.burger{display:none}

/* breadcrumbs */
.bc{font-size:13px;color:var(--muted);padding:14px 0}
.bc a{color:var(--muted)}
.bc a:hover{color:var(--green)}
.bc span{margin:0 6px}

/* hero */
.hero{background:linear-gradient(100deg,var(--green-d),var(--green));color:#fff;padding:54px 0}
.hero h1{color:#fff;font-size:34px;max-width:720px}
.hero p{font-size:17px;max-width:640px;opacity:.95;margin:14px 0 24px}
.hero .btn{background:#fff;color:var(--green-d);font-size:15px;padding:13px 26px}

/* sections */
.section{padding:40px 0}
.section-t{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;flex-wrap:wrap;gap:10px}
.section-t h2{margin:0}
.grid{display:grid;gap:18px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}

/* category tiles */
.cat-tile{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center;transition:.15s;display:block}
.cat-tile:hover{border-color:var(--green);box-shadow:0 6px 20px rgba(18,154,58,.1);transform:translateY(-2px)}
.cat-tile .ic{width:56px;height:56px;margin:0 auto 14px;background:var(--green);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px}
.cat-tile b{color:var(--ink);font-size:16px}

/* advantages */
.adv{background:var(--bg)}
.adv-i{text-align:center;padding:10px}
.adv-i .n{font-size:30px;font-weight:700;color:var(--green)}
.adv-i p{margin:6px 0 0;color:var(--muted);font-size:14px}

/* product grid */
.catalog-layout{display:grid;grid-template-columns:260px 1fr;gap:26px;align-items:start;padding:24px 0 48px}
.side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.side h3{background:var(--green);color:#fff;margin:0;padding:12px 16px;font-size:15px}
.side ul{list-style:none;margin:0;padding:6px 0}
.side li a{display:flex;justify-content:space-between;padding:9px 16px;color:var(--ink);font-size:14px;border-bottom:1px solid #f1f3f5}
.side li a:hover{background:#f6fbf7;color:var(--green)}
.side li a .c{color:var(--muted);font-size:12px}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;display:flex;flex-direction:column;transition:.15s}
.card:hover{border-color:var(--green);box-shadow:0 6px 18px rgba(0,0,0,.07)}
.card .ph{height:170px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;background:#fff}
.card .ph img{max-height:170px;object-fit:contain;mix-blend-mode:multiply}
.card .nm{font-size:14px;font-weight:500;color:var(--ink);flex:1;margin-bottom:10px;min-height:40px}
.card .nm:hover{color:var(--green)}
.card .price{color:var(--muted);font-size:13px;margin-bottom:10px}
.card .btn{width:100%;text-align:center;font-size:13px;padding:8px}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.nc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.15s}
.nc:hover{box-shadow:0 8px 22px rgba(0,0,0,.08);transform:translateY(-2px)}
.nc .ph{height:180px;background:#f6f7f9;display:flex;align-items:center;justify-content:center;overflow:hidden}
.nc .ph img{width:100%;height:100%;object-fit:cover}
.nc .b{padding:16px;display:flex;flex-direction:column;flex:1}
.nc .b h3{font-size:16px;margin:0 0 8px}
.nc .b h3 a{color:var(--ink)}
.nc .b h3 a:hover{color:var(--green)}
.nc .b p{color:var(--muted);font-size:13px;flex:1;margin:0 0 12px}
.nc .b .btn{align-self:flex-start;font-size:13px;padding:7px 14px}

/* article */
.article{max-width:860px;margin:0 auto;padding:10px 0 50px}
.article h1{margin-bottom:18px}
.article img{border-radius:var(--radius);margin:16px 0}
.article p{margin:0 0 14px}
.article ul{padding-left:20px}
.article table{border-collapse:collapse;width:100%;margin:16px 0}
.article table td,.article table th{border:1px solid var(--line);padding:8px 10px;font-size:14px}

/* static page */
.page-body{max-width:900px;padding:10px 0 50px;font-size:15px}
.page-body h2{margin-top:28px}

/* footer */
.ftr{background:var(--ink);color:#aeb6bf;font-size:14px;margin-top:20px}
.ftr .wrap{display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:30px;padding:40px 16px}
.ftr h4{color:#fff;font-size:15px;margin:0 0 14px}
.ftr a{color:#aeb6bf}
.ftr a:hover{color:#fff}
.ftr ul{list-style:none;margin:0;padding:0}
.ftr ul li{margin-bottom:9px}
.ftr .ph{font-size:18px;color:#fff;font-weight:700;margin-bottom:6px}
.ftr-logo img{height:46px;margin-bottom:14px;filter:brightness(0) invert(1);opacity:.9}
.copyr{border-top:1px solid #3a4048;color:#7d868f;font-size:13px}
.copyr .wrap{display:flex;justify-content:space-between;padding:16px;flex-wrap:wrap;gap:8px}

.demo-badge{position:fixed;right:14px;bottom:14px;background:var(--ink);color:#fff;font-size:12px;padding:8px 14px;border-radius:20px;box-shadow:0 4px 14px rgba(0,0,0,.25);z-index:50;opacity:.9}

@media(max-width:960px){
  .ftr .wrap{grid-template-columns:1fr 1fr}
  .g4{grid-template-columns:repeat(2,1fr)}
  .catalog-layout{grid-template-columns:1fr}
  .side{order:2}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
  .hdr .wrap{flex-wrap:wrap;gap:14px}
  .search{order:3;max-width:100%;flex-basis:100%}
  .hdr-contact{margin-left:auto}
  .nav .wrap{display:none;flex-direction:column}
  .nav.open .wrap{display:flex}
  .burger{display:flex;color:#fff;padding:12px 16px;font-weight:600;cursor:pointer;align-items:center;gap:8px;width:100%}
  .g4,.g3,.news-grid,.prod-grid{grid-template-columns:1fr}
  .ftr .wrap{grid-template-columns:1fr}
  .hero h1{font-size:26px}
}