/* V.J. Cool Stainless Co., Ltd. — static site styles */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Thai:wght@400;500;600;700&family=Anuphan:wght@400;500;600;700&display=swap');

:root{
  --ink:#0d1b26;
  --ink-soft:#41525e;
  --steel:#e8edf1;
  --steel-2:#f6f8fa;
  --line:#d8e0e6;
  --brand:#0b6fb8;
  --brand-dark:#074c80;
  --frost:#e2f1fb;
  --accent:#12a4d9;
  --white:#fff;
  --radius:14px;
  --shadow:0 10px 30px rgba(13,27,38,.08);
  --wrap:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:'Anuphan','IBM Plex Sans Thai',system-ui,sans-serif;
  color:var(--ink);background:var(--white);line-height:1.85;font-size:17px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-dark);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}

/* header */
.topbar{background:var(--ink);color:#cfe0ea;font-size:14px}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;padding:8px 20px}
.topbar a{color:#cfe0ea}
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);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:12px 20px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:44px;height:44px}
.brand b{display:block;font-size:18px;line-height:1.2}
.brand span{font-size:12.5px;color:var(--ink-soft);letter-spacing:.03em}
nav.main{display:flex;flex-wrap:wrap;gap:4px;align-items:center}
nav.main a{padding:9px 12px;border-radius:9px;font-size:15.5px;color:var(--ink);font-weight:500}
nav.main a:hover{background:var(--frost);text-decoration:none}
nav.main a.active{background:var(--brand);color:#fff}
.nav-toggle{display:none;background:var(--frost);border:1px solid var(--line);border-radius:9px;padding:8px 12px;font:inherit;cursor:pointer}

/* hero */
.hero{position:relative;color:#fff;background:#0d1b26}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
.hero .inner{position:relative;max-width:var(--wrap);margin:0 auto;padding:96px 20px 104px}
.hero h1{font-size:clamp(30px,4.6vw,52px);line-height:1.25;margin:0 0 18px;font-weight:700;max-width:20ch}
.hero p.lead{font-size:clamp(17px,2vw,21px);max-width:62ch;color:#e4eef5;margin:0 0 28px}
.eyebrow{display:inline-block;background:rgba(18,164,217,.22);border:1px solid rgba(226,241,251,.4);color:#dff1fb;
  padding:6px 14px;border-radius:999px;font-size:14px;margin-bottom:18px}
.btn{display:inline-block;padding:13px 24px;border-radius:999px;font-weight:600;border:1px solid transparent}
.btn-primary{background:var(--accent);color:#04222f}
.btn-primary:hover{background:#3dbde9;text-decoration:none}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);text-decoration:none}
.btn-dark{background:var(--brand-dark);color:#fff}
.btn-dark:hover{background:var(--brand);text-decoration:none}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}

/* sections */
main{display:block}
section{padding:64px 0}
section.tint{background:var(--steel-2)}
section.frost{background:linear-gradient(180deg,var(--frost),#fff)}
h2{font-size:clamp(24px,3vw,34px);line-height:1.35;margin:0 0 14px}
h3{font-size:clamp(20px,2.2vw,24px);margin:32px 0 10px}
h4{font-size:18.5px;margin:24px 0 8px}
p{margin:0 0 16px}
.sub{color:var(--ink-soft);max-width:78ch;margin-bottom:28px}
ul,ol{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)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card h3{margin-top:0;font-size:20px}
.card p:last-child{margin-bottom:0}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.pcard img{aspect-ratio:4/3;object-fit:cover;background:var(--steel)}
.pcard .body{padding:20px;flex:1;display:flex;flex-direction:column}
.pcard .body p{color:var(--ink-soft);font-size:16px}
.tag{display:inline-block;background:var(--frost);color:var(--brand-dark);border-radius:999px;padding:3px 12px;font-size:13.5px;margin-bottom:10px}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}
.split img{border-radius:var(--radius);box-shadow:var(--shadow)}
figure{margin:0 0 24px}
figure img{border-radius:var(--radius);box-shadow:var(--shadow)}
figcaption{font-size:14.5px;color:var(--ink-soft);margin-top:8px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.stats div{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 14px}
.stats b{display:block;font-size:30px;color:var(--brand-dark);line-height:1.2}
.stats span{font-size:14.5px;color:var(--ink-soft)}
table{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:16px;background:#fff}
th,td{border:1px solid var(--line);padding:11px 13px;text-align:left;vertical-align:top}
th{background:var(--frost);color:var(--brand-dark);font-weight:600}
.callout{border-left:5px solid var(--accent);background:var(--frost);padding:18px 22px;border-radius:0 var(--radius) var(--radius) 0;margin:0 0 24px}
.toc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;margin-bottom:34px}
.toc ol{columns:2;column-gap:34px;margin-bottom:0}
details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;margin-bottom:12px}
summary{cursor:pointer;font-weight:600}
.page-head{background:var(--ink);color:#fff;padding:56px 0}
.page-head h1{font-size:clamp(26px,3.8vw,42px);margin:0 0 10px}
.page-head p{color:#c9dbe6;max-width:70ch;margin:0}
.crumb{font-size:14px;color:#9dbacd;margin-bottom:12px}
.crumb a{color:#9dbacd}
form label{display:block;font-weight:500;margin-bottom:6px}
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}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery img{border-radius:12px;aspect-ratio:4/3;object-fit:cover;box-shadow:var(--shadow)}
footer.site{background:var(--ink);color:#b9cdda;padding:56px 0 28px;margin-top:20px}
footer.site h4{color:#fff;margin:0 0 12px;font-size:17px}
footer.site a{color:#b9cdda}
footer.site .grid{gap:30px}
.copy{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;font-size:14px}
.cta-band{background:linear-gradient(120deg,var(--brand-dark),var(--accent));color:#fff;border-radius:var(--radius);padding:38px;text-align:center}
.cta-band h2{margin-top:0}
.cta-band p{color:#e8f6fd;max-width:64ch;margin:0 auto 22px}
@media(max-width:900px){
  .g3,.g4,.stats,.gallery{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .toc ol{columns:1}
  nav.main{display:none;width:100%;flex-direction:column;align-items:stretch}
  nav.main.open{display:flex}
  header.site .wrap{flex-wrap:wrap}
  .nav-toggle{display:block}
}
@media(max-width:600px){
  .g2,.g3,.g4,.stats,.gallery{grid-template-columns:1fr}
  section{padding:44px 0}
}