@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Thai:wght@300;400;500;600;700&family=Noto+Serif+Thai:wght@400;500;600;700&family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,500;1,600&display=swap');

/* ── Signature · modern luxury design tokens ── */
:root {
  --crimson: #DC1D47;          /* Signature logo red */
  --crimson-deep: #8E0F2E;
  --gold: #C9A45C;
  --gold-hi: #EBD3A0;
  --gold-lo: #8A6A2F;
  --onyx: #0C0B10;
  --onyx-2: #15131B;
  --pearl: #F7F4EF;
  --ink: #16131C;
  --muted: #6B6573;
  --line: rgba(22,19,28,.10);
  --glass: rgba(255,255,255,.62);
  --glass-strong: rgba(255,255,255,.82);
  --glass-border: rgba(255,255,255,.9);
  --shadow: 0 24px 60px -28px rgba(60,30,80,.35);
  --serif: 'Playfair Display', 'Noto Serif Thai', serif;
  --serif-th: 'Noto Serif Thai', 'Playfair Display', serif;
  --sans: 'Noto Sans Thai', system-ui, sans-serif;
  --gold-grad: linear-gradient(120deg, #F3DFAE 0%, #C9A45C 45%, #8A6A2F 70%, #E7CB8F 100%);
  --crimson-grad: linear-gradient(135deg, #F0476E 0%, #DC1D47 45%, #8E0F2E 100%);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--pearl); color: var(--ink); font-weight: 400; overflow-x: hidden; }
a { color: inherit; }
img { max-width: 100%; display: block; }

.serif { font-family: var(--serif); }
.gold-text { background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.crimson-text { background: var(--crimson-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.eyebrow { font-size: .7rem; letter-spacing: .32em; text-transform: uppercase; font-weight: 500; color: var(--muted); }

/* ── Ambient light background (light pages) ── */
.ambient { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden;
  background: radial-gradient(1200px 600px at 10% -10%, #F3E7F4 0%, transparent 60%),
              radial-gradient(900px 600px at 100% 0%, #F6EEDD 0%, transparent 55%),
              radial-gradient(900px 700px at 60% 110%, #EDE6F7 0%, transparent 60%), var(--pearl); }

/* ── Glass surfaces ── */
.glass {
  background: var(--glass); border: 1px solid var(--glass-border); border-radius: 22px;
  backdrop-filter: blur(22px) saturate(140%); -webkit-backdrop-filter: blur(22px) saturate(140%);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.9);
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-size: .88rem; font-weight: 500; padding: 10px 18px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line); background: rgba(255,255,255,.75); color: var(--ink); text-decoration: none; white-space: nowrap;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 24px -12px rgba(0,0,0,.35); }
.btn.primary { background: var(--crimson-grad); color: #fff; border-color: transparent; box-shadow: 0 12px 28px -12px rgba(220,29,71,.7); }
.btn.gold { background: var(--gold-grad); color: #1A1408; border-color: transparent; }
.btn .arrow { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: rgba(255,255,255,.22); }

/* ── Top navigation (shared) ── */
.site-nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px clamp(16px, 4vw, 40px);
  background: rgba(247,244,239,.72);
  backdrop-filter: blur(18px) saturate(150%); -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-bottom: 1px solid rgba(22,19,28,.06);
}
.site-nav .brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.site-nav .brand img { height: 34px; width: auto; }
.site-nav .brand-text { line-height: 1.1; }
.site-nav .brand-text b { display: block; font-family: var(--serif); font-size: 1.02rem; font-weight: 600; letter-spacing: .02em; }
.site-nav .brand-text small { display: block; font-size: .58rem; letter-spacing: .3em; color: var(--muted); text-transform: uppercase; }
.site-nav .links { display: flex; gap: 2px; flex-wrap: wrap; justify-content: flex-end; }
.site-nav .links a { text-decoration: none; font-size: .84rem; padding: 7px 13px; border-radius: 999px; color: var(--muted); }
.site-nav .links a:hover { color: var(--ink); background: rgba(22,19,28,.05); }
.site-nav .links a.active { color: #fff; background: var(--crimson-grad); }

/* dark variant (home) */
.theme-dark { background: var(--onyx); color: #F4EFE6; }
.theme-dark .site-nav { background: rgba(12,11,16,.6); border-bottom-color: rgba(235,211,160,.12); }
.theme-dark .site-nav .brand-text small { color: rgba(244,239,230,.5); }
.theme-dark .site-nav .links a { color: rgba(244,239,230,.62); }
.theme-dark .site-nav .links a:hover { color: #fff; background: rgba(255,255,255,.06); }
.theme-dark .eyebrow { color: var(--gold); }

/* ── Footer ── */
.site-footer { padding: 40px clamp(16px, 4vw, 40px) 48px; text-align: center; font-size: .72rem; line-height: 1.8; color: var(--muted); }
.site-footer img { height: 92px; width: auto; margin: 0 auto 14px; }
.theme-dark .site-footer { color: rgba(244,239,230,.42); border-top: 1px solid rgba(235,211,160,.1); }

@media (max-width: 640px) {
  .site-nav { padding: 8px 12px; }
  .site-nav .brand-text small { display: none; }
  .site-nav .brand img { height: 28px; }
  .site-nav .links a { padding: 6px 8px; font-size: .74rem; }
}

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }

@media print {
  .site-nav, .no-print, .ambient, .site-footer { display: none !important; }
  body { background: #fff; }
}