/* ═══════════════════════════════════════════════════════════════
   貴妃駕到 GF Gelato · Design Tokens & Base
   Shared across home / about / visit / journal pages.
   Menu (menu.html) keeps its inline tokens for safety in Phase 1.
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* — Color · core palette (matches menu.html) — */
  --ink:        #1C1510;
  --ink-soft:   #3D2B1F;
  --lacquer:    #2A1812;   /* deeper than ink, for hero CTA / second-layer dark */
  --gold:       #B8882A;
  --gold-lt:    #D4AA5A;
  --gold-pale:  #F5EDD8;
  --gold-bg:    #FBF6EC;
  --cream:      #FDFAF4;
  --porcelain:  #EFE7D6;   /* one step deeper than cream — plate edges, dividers */
  --warm-50:    #F9F4EC;
  --warm-100:   #F0E6D0;
  --stone:      #8B7355;
  --stone-lt:   #C4A97D;
  --rose:       #C0695F;
  --green:      #4A8060;

  /* — Borders & shadows — */
  --border:        rgba(184,136,42,0.18);
  --border-strong: rgba(184,136,42,0.32);
  --shadow-sm: 0 2px 12px rgba(28,21,16,0.06);
  --shadow-md: 0 6px 28px rgba(28,21,16,0.10);
  --shadow-lg: 0 16px 56px rgba(28,21,16,0.14);

  /* — Type families — */
  --font-display: 'Cormorant Garamond', 'Noto Serif TC', serif;
  --font-body:    'Noto Serif TC', 'Cormorant Garamond', serif;
  --font-mono:    'DM Mono', ui-monospace, monospace;

  /* — Editorial spacing rhythm (this is what makes it feel premium) — */
  --space-section: clamp(5rem, 11vw, 9rem);
  --space-block:   clamp(2.5rem, 5vw, 4rem);
  --space-gutter:  clamp(1.25rem, 3vw, 2rem);

  /* — Content widths — */
  --max-content: 1180px;
  --max-prose:   62ch;
  --max-narrow:  680px;

  /* — Motion — */
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out:  cubic-bezier(0.34, 1, 0.64, 1);
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--ink);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.65;
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gold-lt); border-radius: 99px; }

/* ═══════════════════════════════════════════════════════════════
   TYPOGRAPHY UTILITIES
   ═══════════════════════════════════════════════════════════════ */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--stone);
}
.eyebrow-gold { color: var(--gold); }
.eyebrow-cream { color: var(--gold-lt); }

.display-1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.8rem, 8vw, 5.2rem);
  line-height: 1.02;
  letter-spacing: 0.04em;
}
.display-2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: 0.05em;
}
.display-3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.2;
  letter-spacing: 0.06em;
}
.display em, .display-1 em, .display-2 em, .display-3 em {
  font-style: italic;
  color: var(--gold);
}

.lede {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: var(--max-prose);
}
.lede-italic {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  line-height: 1.55;
  color: var(--stone);
  letter-spacing: 0.02em;
}

.body { font-size: 0.95rem; line-height: 1.85; color: var(--ink-soft); max-width: var(--max-prose); }
.body-sm { font-size: 0.82rem; line-height: 1.7; color: var(--stone); }
.meta {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
}

/* ═══════════════════════════════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════════════════════════════ */

.container { max-width: var(--max-content); margin: 0 auto; padding: 0 var(--space-gutter); }
.container-narrow { max-width: var(--max-narrow); margin: 0 auto; padding: 0 var(--space-gutter); }

.section { padding: var(--space-section) 0; }
.section-tight { padding: var(--space-block) 0; }

/* Editorial section header — Cormorant title + eyebrow above, hairline below */
.section-head { text-align: center; margin-bottom: var(--space-block); }
.section-head .eyebrow { display: block; margin-bottom: 1rem; }
.section-head .title  { font-family: var(--font-display); font-weight: 300; font-size: clamp(1.8rem, 4vw, 2.8rem); letter-spacing: 0.06em; color: var(--ink); }
.section-head .title em { font-style: italic; color: var(--gold); }
.section-head .sub    { margin-top: 0.85rem; color: var(--stone); font-size: 0.85rem; }

/* ═══════════════════════════════════════════════════════════════
   ORNAMENTS — single visual signature, used sparingly
   ═══════════════════════════════════════════════════════════════ */

.ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin: 0 auto;
  max-width: 180px;
}
.ornament::before, .ornament::after {
  content: '';
  flex: 1;
  height: 1px;
}
.ornament::before { background: linear-gradient(90deg, transparent, var(--gold-lt)); }
.ornament::after  { background: linear-gradient(90deg, var(--gold-lt), transparent); }
.ornament-diamond {
  width: 7px;
  height: 7px;
  background: var(--gold);
  transform: rotate(45deg);
  flex-shrink: 0;
}
.ornament-on-dark::before { background: linear-gradient(90deg, transparent, rgba(212,170,90,0.5)); }
.ornament-on-dark::after  { background: linear-gradient(90deg, rgba(212,170,90,0.5), transparent); }

.hairline { height: 1px; background: var(--border); margin: var(--space-block) 0; }
.hairline-gold { background: linear-gradient(90deg, transparent, var(--gold-lt), transparent); }

/* ═══════════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════════ */

.btn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.85rem 1.8rem;
  border: 1px solid;
  background: transparent;
  cursor: pointer;
  transition: background 0.35s var(--ease-soft), color 0.35s var(--ease-soft), border-color 0.35s var(--ease-soft);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}
.btn-gold-line     { color: var(--gold); border-color: var(--gold); }
.btn-gold-line:hover { background: var(--gold); color: var(--cream); }
.btn-cream-line    { color: var(--cream); border-color: var(--gold-lt); }
.btn-cream-line:hover { background: var(--gold-lt); color: var(--ink); border-color: var(--gold-lt); }
.btn-ink           { color: var(--gold-lt); background: var(--ink); border-color: var(--ink); }
.btn-ink:hover     { background: var(--gold); border-color: var(--gold); color: var(--cream); }
.btn-ghost         { color: var(--stone); border-color: var(--border); }
.btn-ghost:hover   { color: var(--ink); border-color: var(--ink); }
.btn[disabled]     { opacity: 0.45; cursor: not-allowed; pointer-events: none; }

/* ═══════════════════════════════════════════════════════════════
   SHARED NAV (injected from assets/nav.html)
   ═══════════════════════════════════════════════════════════════ */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(253,250,244,0.85);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-nav-on-dark {
  background: rgba(28,21,16,0.72);
  border-bottom: 1px solid rgba(212,170,90,0.18);
}
.site-nav-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0.85rem var(--space-gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.site-nav-brand {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  color: var(--ink);
}
.site-nav-brand em { font-style: italic; color: var(--gold); }
.site-nav-on-dark .site-nav-brand { color: var(--cream); }
.site-nav-on-dark .site-nav-brand em { color: var(--gold-lt); }
.site-nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}
.site-nav-links a {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
  padding: 0.3rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.3s, border-color 0.3s;
}
.site-nav-links a:hover,
.site-nav-links a.is-active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}
.site-nav-on-dark .site-nav-links a { color: var(--stone-lt); }
.site-nav-on-dark .site-nav-links a:hover,
.site-nav-on-dark .site-nav-links a.is-active { color: var(--gold-lt); border-bottom-color: var(--gold-lt); }

.site-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: inherit;
  padding: 0.45rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
}
@media (max-width: 720px) {
  .site-nav-links { display: none; flex-direction: column; gap: 0.6rem; position: absolute; top: 100%; left: 0; right: 0; background: var(--cream); padding: 1rem var(--space-gutter); border-bottom: 1px solid var(--border); }
  .site-nav-links.is-open { display: flex; }
  .site-nav-on-dark .site-nav-links { background: var(--ink); }
  .site-nav-toggle { display: inline-flex; }
}

/* ═══════════════════════════════════════════════════════════════
   SITE FOOTER
   ═══════════════════════════════════════════════════════════════ */

.site-foot {
  background: var(--ink);
  color: rgba(253,250,244,0.7);
  padding: var(--space-block) 0 var(--space-block);
  margin-top: var(--space-section);
}
.site-foot-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--space-gutter);
}
.site-foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: var(--space-block);
}
@media (max-width: 760px) { .site-foot-grid { grid-template-columns: 1fr; gap: 2rem; } }
.site-foot h4 {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-lt);
  margin-bottom: 1rem;
  font-weight: 400;
}
.site-foot p, .site-foot li {
  font-size: 0.82rem;
  line-height: 1.85;
  color: rgba(253,250,244,0.62);
}
.site-foot ul { list-style: none; }
.site-foot a { color: rgba(253,250,244,0.7); transition: color 0.3s; }
.site-foot a:hover { color: var(--gold-lt); }
.site-foot-brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.1em;
  color: var(--cream);
  margin-bottom: 0.75rem;
}
.site-foot-brand em { font-style: italic; color: var(--gold-lt); }
.site-foot-tagline {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--stone-lt);
  font-size: 0.95rem;
  margin-top: 0.5rem;
  max-width: 28ch;
}
.site-foot-bottom {
  border-top: 1px solid rgba(212,170,90,0.15);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(253,250,244,0.4);
}
.site-foot-social {
  display: flex;
  gap: 1.25rem;
}

/* ═══════════════════════════════════════════════════════════════
   MOTION — restrained reveal on scroll
   ═══════════════════════════════════════════════════════════════ */

@keyframes gfFadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes gfFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes gfRevealUp {
  from { clip-path: inset(100% 0 0 0); transform: translateY(20px); }
  to   { clip-path: inset(0 0 0 0); transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.9s var(--ease-soft), transform 0.9s var(--ease-soft);
  will-change: opacity, transform;
}
.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }
.reveal-delay-4 { transition-delay: 0.48s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ═══════════════════════════════════════════════════════════════
   UTILITIES
   ═══════════════════════════════════════════════════════════════ */

.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.text-stone { color: var(--stone); }
.italic { font-style: italic; }

.divider-mono {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone-lt);
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
}
.divider-mono::before, .divider-mono::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}