/* Deep Emerald & Gold: token names follow /workspace/gvng/design-system/theme.css ([data-theme="emerald"]) */
:root{color-scheme:dark;
--gv-bg:#06201A;--gv-glow:#0E3A2F;--gv-surface:#0B2C24;--gv-border:#2E5A4C;--gv-border-strong:#5F8F80;--gv-chart-grid:#174236;
--gv-gold-primary:#D4B062;--gv-wordmark:#E6D9AE;--gv-heading:#F2EFE4;--gv-body:#A8BFB6;--gv-text:#DCE7E2;--gv-muted:#8EA89E;
--gv-focus-ring:#F2D27A;--gv-on-gold:#06201A}
*{box-sizing:border-box}
body{margin:0;font-family:"Inter","IBM Plex Sans Thai",system-ui,sans-serif;background:radial-gradient(1200px 600px at 20% -10%,var(--gv-glow),var(--gv-bg) 60%) no-repeat,var(--gv-bg);color:var(--gv-text);line-height:1.6;font-size:17px}
html[lang=th] body{font-family:"IBM Plex Sans Thai","Inter",sans-serif}
h1,h2,h3{font-family:"Manrope","IBM Plex Sans Thai",sans-serif;color:var(--gv-heading)}
a{color:var(--gv-gold-primary)}.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
header{display:flex;justify-content:space-between;align-items:center;padding:18px 0}
.logo{display:flex;align-items:center;gap:12px}.logo img{height:44px;width:auto}.logo small{color:var(--gv-muted);font-size:.75rem;letter-spacing:.05em;font-weight:500}
.toggle button{background:none;border:1px solid var(--gv-gold-primary);color:var(--gv-gold-primary);padding:6px 12px;cursor:pointer;font-weight:600}
.toggle button.on{background:var(--gv-gold-primary);color:var(--gv-on-gold)}
.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;padding:50px 0 70px;align-items:center}
h1{font-size:clamp(2.2rem,4.5vw,3.6rem);line-height:1.1;margin:0 0 16px}h1 em{color:var(--gv-gold-primary);font-style:normal}
.sub{color:var(--gv-body);font-size:1.1rem}
.heroimg{width:100%;border-radius:20px;margin-top:20px;border:1px solid var(--gv-border)}
form{background:var(--gv-surface);border:1px solid var(--gv-border);border-radius:16px;padding:28px}
label{display:block;font-size:.9rem;margin:10px 0 4px;color:var(--gv-body)}
input,select{width:100%;height:52px;padding:0 12px;border-radius:10px;border:1px solid var(--gv-border-strong);background:var(--gv-bg);color:var(--gv-heading);font-size:1rem}
input[type=checkbox]{height:auto;width:auto;margin-top:4px;accent-color:var(--gv-gold-primary)}
.chk{display:flex;gap:8px;align-items:flex-start;font-size:.85rem}
.btn{margin-top:14px;width:100%;height:52px;border:0;border-radius:10px;background:var(--gv-gold-primary);color:var(--gv-on-gold);font-weight:700;font-size:1rem;cursor:pointer}
.btn:hover{background:var(--gv-wordmark)}
:focus-visible{outline:2px solid var(--gv-focus-ring);outline-offset:2px}
.small{font-size:.82rem;color:var(--gv-muted)}
section{padding:56px 0;border-top:1px solid var(--gv-chart-grid)}h2{color:var(--gv-gold-primary);font-size:1.8rem}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.card{background:var(--gv-surface);border-radius:16px;padding:24px;border-top:3px solid var(--gv-gold-primary)}.card h3{margin:0 0 6px;color:var(--gv-wordmark)}.card p{color:var(--gv-body)}
.note{background:var(--gv-surface);border-left:4px solid var(--gv-gold-primary);padding:20px;border-radius:10px}
details{background:var(--gv-surface);margin:8px 0;padding:14px 18px;border-radius:10px}summary{cursor:pointer;font-weight:600;color:var(--gv-heading)}details p{color:var(--gv-body)}
footer{padding:30px 0;font-size:.85rem;color:var(--gv-muted);border-top:1px solid var(--gv-border)}footer b{color:var(--gv-wordmark)}
@media(max-width:820px){.hero{grid-template-columns:1fr;padding-top:20px;gap:20px}.intro{display:contents}.hero h1{order:1;margin:0}.hero .sub{order:2;margin:0}.hero form{order:3}.hero picture{order:4}.heroimg{margin-top:0}.grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.grid{grid-template-columns:1fr}.logo small{display:none}.logo img{height:36px}}