/* South Wind Tech Limited — storefront styles */
:root{
  --ink:#1f2933; --muted:#6b7785; --line:#e3e8ee; --bg:#ffffff; --soft:#f6f8fa;
  --brand:#0f6f5c; --brand-dark:#0b5546; --accent:#c2410c; --radius:10px;
  --shadow:0 1px 3px rgba(16,24,40,.08),0 8px 24px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}

/* header */
header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:40}
.hd{display:flex;align-items:center;gap:24px;height:68px}
.logo{font-weight:700;font-size:1.15rem;color:var(--ink);letter-spacing:-.01em}
.logo span{color:var(--brand)}
.hd nav{margin-left:auto}
.hd nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0}
.hd nav a{color:var(--muted);font-size:.94rem}
.hd nav a:hover{color:var(--brand)}
.hd .tel{font-size:.9rem;color:var(--muted);white-space:nowrap}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:1.1rem;cursor:pointer}

/* hero */
.hero{background:var(--soft);border-bottom:1px solid var(--line);padding:56px 0}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{font-size:2.3rem;line-height:1.2;margin:0 0 14px;letter-spacing:-.02em}
.hero p{color:var(--muted);font-size:1.05rem;margin:0 0 22px;max-width:52ch}
.hero-img{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.hero-img img{width:100%;height:auto;border-radius:8px}

.btn{display:inline-block;background:var(--brand);color:#fff;padding:12px 22px;border-radius:8px;
  font-weight:600;border:0;cursor:pointer;font-size:.98rem}
.btn:hover{background:var(--brand-dark);text-decoration:none;color:#fff}
.btn.ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn.ghost:hover{background:var(--soft)}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* sections */
section{padding:56px 0}
.sec-head{margin-bottom:30px}
.sec-head h2{font-size:1.6rem;margin:0 0 8px;letter-spacing:-.01em}
.sec-head p{color:var(--muted);margin:0;max-width:62ch}

/* products */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;display:flex;flex-direction:column}
.card>img{width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;border-bottom:1px solid var(--line);background:#f2f6f4}
.card-body{padding:16px;display:flex;flex-direction:column;flex:1}
.card h3{margin:0 0 6px;font-size:1.02rem}
.card .sku{font-size:.78rem;color:var(--muted);margin:0 0 8px;letter-spacing:.02em}
.card .desc{color:var(--muted);font-size:.9rem;margin:0 0 14px;flex:1}
.card .row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.price{font-weight:700;font-size:1.15rem;color:var(--ink)}
.price small{font-weight:400;color:var(--muted);font-size:.8rem}

/* trust strip */
.strip{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip .grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.strip h4{margin:0 0 6px;font-size:1rem}
.strip p{margin:0;color:var(--muted);font-size:.92rem}

/* about / contact blocks */
.two{display:grid;grid-template-columns:1fr 1fr;gap:44px}
.facts{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:#fff}
.facts dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:10px 16px;font-size:.94rem}
.facts dt{color:var(--muted)}
.facts dd{margin:0}

/* footer */
footer{background:#111827;color:#cbd5e1;padding:48px 0 22px;margin-top:0}
footer h4{color:#fff;font-size:.98rem;margin:0 0 12px}
footer a{color:#cbd5e1}
footer a:hover{color:#fff}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin-bottom:7px;font-size:.92rem}
footer p{font-size:.92rem;margin:0 0 8px;color:#9aa3af}
.f-bot{border-top:1px solid #1f2937;margin-top:32px;padding-top:18px;font-size:.86rem;color:#8b95a5;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* modal */
.mask{position:fixed;inset:0;background:rgba(15,23,42,.55);display:none;align-items:center;justify-content:center;z-index:80;padding:18px}
.mask.on{display:flex}
.modal{background:#fff;border-radius:12px;max-width:520px;width:100%;max-height:90vh;overflow:auto;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.modal-hd{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.modal-hd h3{margin:0;font-size:1.1rem}
.x{background:none;border:0;font-size:1.5rem;line-height:1;cursor:pointer;color:var(--muted)}
.modal-bd{padding:22px}
.field{margin-bottom:14px}
.field label{display:block;font-size:.88rem;font-weight:600;margin-bottom:5px}
.field input,.field textarea,.field select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit;font-size:.95rem}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid #0f6f5c33;border-color:var(--brand)}
.err{color:#b42318;font-size:.82rem;margin-top:4px;display:none}
.field.bad input,.field.bad textarea{border-color:#b42318}
.field.bad .err{display:block}
.sum{background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:14px;margin-bottom:16px;font-size:.94rem}
.sum .line{display:flex;justify-content:space-between;margin-bottom:6px}
.sum .tot{display:flex;justify-content:space-between;font-weight:700;border-top:1px solid var(--line);padding-top:8px;margin-top:8px}
.ok{text-align:center;padding:10px 0}
.ok .tick{width:56px;height:56px;border-radius:50%;background:#e7f6f1;color:var(--brand);display:flex;align-items:center;
  justify-content:center;font-size:1.8rem;margin:0 auto 14px}
.ok h4{margin:0 0 8px;font-size:1.15rem}
.ok p{color:var(--muted);margin:0 0 6px;font-size:.94rem}
.ordno{font-family:ui-monospace,Menlo,Consolas,monospace;background:var(--soft);border:1px solid var(--line);
  border-radius:6px;padding:6px 12px;display:inline-block;margin:8px 0;font-weight:600}

.note{background:#fffbeb;border:1px solid #fde68a;border-radius:8px;padding:12px 14px;font-size:.9rem;color:#92400e;margin-bottom:16px}
.crumb{color:var(--muted);font-size:.88rem;padding:18px 0 0}
.page{padding:26px 0 56px;max-width:800px}
.page h1{font-size:1.9rem;margin:0 0 6px}
.page .upd{color:var(--muted);font-size:.9rem;margin:0 0 26px}
.page h2{font-size:1.15rem;margin:30px 0 8px}
.page p,.page li{color:#3d4854}
.page ul{padding-left:20px}

@media(max-width:900px){
  .hero-grid,.two{grid-template-columns:1fr;gap:28px}
  .grid{grid-template-columns:repeat(2,1fr)}
  .strip .grid3,.f-grid{grid-template-columns:1fr;gap:22px}
  .hd nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:14px 20px}
  .hd nav.open{display:block}
  .hd nav ul{flex-direction:column;gap:12px}
  .burger{display:block}
  .hd .tel{display:none}
}
@media(max-width:560px){
  .grid{grid-template-columns:1fr}
  .hero h1{font-size:1.8rem}
}