/* ผ้าทอไทย จำกัด — Static site stylesheet */
:root{
  --indigo:#12305c;
  --indigo-dark:#0b1f3d;
  --gold:#c9a227;
  --gold-soft:#f2e3b3;
  --ink:#1b2430;
  --muted:#5c6b7a;
  --line:#e3e8ef;
  --bg:#ffffff;
  --bg-soft:#f6f8fb;
  --radius:14px;
  --shadow:0 10px 30px rgba(18,48,92,.08);
  --wrap:1140px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans Thai","Sarabun",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--indigo);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}

/* Topbar */
.topbar{background:var(--indigo-dark);color:#dbe4f0;font-size:14px}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:6px 24px;justify-content:space-between;padding-top:8px;padding-bottom:8px}
.topbar a{color:#f3d98a}

/* Header */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px}
.brand{display:flex;align-items:center;gap:12px}
.brand .mark{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--indigo),#2a5da8);color:#fff;display:grid;place-items:center;font-weight:800;letter-spacing:.5px}
.brand b{display:block;font-size:18px;line-height:1.25}
.brand span{display:block;font-size:12.5px;color:var(--muted);letter-spacing:.4px}
nav.main ul{display:flex;flex-wrap:wrap;gap:4px;list-style:none;margin:0;padding:0}
nav.main a{display:inline-block;padding:9px 13px;border-radius:10px;font-size:15.5px;color:var(--ink)}
nav.main a:hover{background:var(--bg-soft);text-decoration:none}
nav.main a.active{background:var(--indigo);color:#fff}
.btn{display:inline-block;padding:12px 22px;border-radius:999px;font-weight:600;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--indigo);color:#fff}
.btn-primary:hover{background:var(--indigo-dark);text-decoration:none}
.btn-gold{background:var(--gold);color:#231c00}
.btn-gold:hover{background:#b8931f;text-decoration:none}
.btn-ghost{border-color:var(--line);color:var(--ink);background:#fff}

/* Hero */
.hero{position:relative;color:#fff;background:var(--indigo-dark)}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.32}
.hero .wrap{position:relative;padding-top:86px;padding-bottom:86px;max-width:900px}
.hero h1{font-size:clamp(30px,4.6vw,50px);line-height:1.25;margin:0 0 18px;font-weight:800}
.hero p{font-size:clamp(17px,2vw,20px);color:#e2e9f5;margin:0 0 28px}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px}
.eyebrow{display:inline-block;background:rgba(201,162,39,.18);border:1px solid rgba(201,162,39,.5);color:var(--gold-soft);
  padding:6px 14px;border-radius:999px;font-size:14px;margin-bottom:18px}

/* Sections */
section{padding:64px 0}
section.soft{background:var(--bg-soft)}
h2{font-size:clamp(24px,3vw,34px);line-height:1.35;margin:0 0 14px;font-weight:800;color:var(--indigo-dark)}
h3{font-size:clamp(19px,2.2vw,23px);margin:34px 0 10px;color:var(--indigo-dark)}
h4{font-size:18px;margin:24px 0 8px;color:var(--indigo-dark)}
p{margin:0 0 16px}
.lead{font-size:19px;color:var(--muted)}
ul.check{list-style:none;padding:0;margin:0 0 18px}
ul.check li{position:relative;padding-left:30px;margin-bottom:10px}
ul.check li::before{content:"✔";position:absolute;left:0;color:var(--gold);font-weight:700}
ol,ul{margin:0 0 18px;padding-left:22px}
li{margin-bottom:8px}

.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.card .pad{padding:20px}
.card h3{margin-top:0;font-size:20px}
.card p{color:var(--muted);font-size:16px;margin-bottom:0}
.card img{aspect-ratio:3/2;object-fit:cover;width:100%}

.split{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}
@media(max-width:840px){.split{grid-template-columns:1fr}}
.rounded{border-radius:var(--radius);box-shadow:var(--shadow)}

.stat{background:var(--indigo);color:#fff;border-radius:var(--radius);padding:24px;text-align:center}
.stat b{display:block;font-size:32px;color:var(--gold-soft)}
.stat span{font-size:15px;color:#dbe4f0}

table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:20px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:16px;vertical-align:top}
th{background:var(--indigo);color:#fff;font-weight:600}
tr:last-child td{border-bottom:none}

.note{background:var(--gold-soft);border-left:5px solid var(--gold);padding:16px 20px;border-radius:0 var(--radius) var(--radius) 0;margin:0 0 20px}
.figure{margin:0 0 26px}
.figure figcaption{font-size:14.5px;color:var(--muted);padding-top:8px;text-align:center}

.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.gallery img{aspect-ratio:4/3;object-fit:cover;border-radius:10px}
@media(max-width:900px){.gallery{grid-template-columns:repeat(2,1fr)}}

form label{display:block;font-weight:600;margin-bottom:6px;font-size:15.5px}
form input,form select,form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;margin-bottom:16px;background:#fff}
form input:focus,form textarea:focus,form select:focus{outline:2px solid var(--indigo);border-color:var(--indigo)}

footer.site{background:var(--indigo-dark);color:#c9d6e8;padding:54px 0 24px;margin-top:20px}
footer.site h4{color:#fff;margin:0 0 12px;font-size:17px}
footer.site a{color:#c9d6e8}
footer.site ul{list-style:none;padding:0;margin:0}
footer.site .bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;font-size:14px;text-align:center}
.toc{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;margin-bottom:30px}
.toc ol{margin-bottom:0}
.breadcrumb{font-size:14.5px;color:var(--muted);padding:16px 0}