/* ================================================================
   SITE PALETTE — Topkapı Palace
   Imperial green + ochre gold · prestige, stewardship, scale
   ================================================================
   Activated by <html data-site="topkapi"> — same cascade pattern
   as site-hagia-sophia.css and site-basilica-cistern.css.

   Per-site overrides only touch COLOR tokens. Type, space, radii,
   shadows, motion all inherit from shared/tokens.css + base.css.

   NOTE: historically Topkapı used inline :root in every HTML file.
   This file replaces those inline blocks. Migration path:
     1. Include this after tokens.css + base.css + components.css.
     2. Remove the inline `:root { --color-* }` block from each page.
     3. `data-site="topkapi"` attribute stays as-is on <html>.
   ================================================================ */

:root[data-site="topkapi"] {
  /* BACKGROUND LAYERS */
  --color-bg:         oklch(98% 0.008 110);       /* ivory paper */
  --color-bg-alt:     oklch(95% 0.012 110);       /* subtle ivory-warm */
  --color-bg-deep:    oklch(24% 0.04 160);        /* deep imperial green */
  --color-surface:    oklch(100% 0 0);

  /* INK — the green-toned ink reads softer than pure black on ivory */
  --color-ink:        oklch(20% 0.02 150);
  --color-ink-soft:   oklch(40% 0.02 150);
  --color-muted:      oklch(55% 0.015 150);

  /* LINES */
  --color-line:       oklch(90% 0.01 150);
  --color-line-soft:  oklch(94% 0.008 150);

  /* ACCENT — imperial ochre gold */
  --color-accent:     oklch(72% 0.14 78);
  --color-accent-ink: oklch(46% 0.12 70);
  --color-accent-soft:oklch(96% 0.04 84);
  --color-accent-contrast: oklch(18% 0.03 160);

  /* SECONDARY — bordeaux, used sparingly for "imperial red" moments */
  --color-secondary:  oklch(34% 0.09 22);

  /* HERO TINT — ivory fading into a hint of gold */
  --hero-tint: linear-gradient(180deg, oklch(96% 0.015 110) 0%, oklch(92% 0.02 100) 100%);

  /* TYPE WEIGHT — Topkapı runs slightly heavier than other sites */
  --site-display-weight: 440;
  --site-heading-tracking: -0.02em;
}

/* ================================================================
   DARK-CONTEXT OVERRIDES
   Headers and heroes that use `background: var(--color-bg-deep)`
   should have white-leaning text. This pairs the imperial-green
   surfaces with an ochre accent that reads on that dark background.
   ================================================================ */

[data-site="topkapi"] .on-deep {
  color: oklch(96% 0.01 110);
}
[data-site="topkapi"] .on-deep .brand__meta,
[data-site="topkapi"] .on-deep .eyebrow {
  color: oklch(from var(--color-accent) 82% c h);
}
[data-site="topkapi"] .on-deep a:not(.btn) {
  color: oklch(from var(--color-accent) 82% c h);
}

/* ================================================================
   TOPKAPI HERO — dark immersive hero (palace silhouette)
   ================================================================ */

[data-site="topkapi"] .topkapi-hero {
  position: relative;
  min-height: clamp(620px, 85vh, 820px);
  color: oklch(96% 0.01 110);
  overflow: hidden;
  isolation: isolate;
  display: flex;
  align-items: end;
  padding: clamp(40px, 5.7vw, 80px) 0 clamp(24px, 3.6vw, 48px);
}

[data-site="topkapi"] .topkapi-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: url('https://images.unsplash.com/photo-1527838832700-5059252407fa?auto=format&fit=crop&w=1800&q=80');
  background-size: cover;
  background-position: center;
  opacity: 0.52;
}

[data-site="topkapi"] .topkapi-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg,
    oklch(from var(--color-bg-deep) l c h / 0.3) 0%,
    oklch(from var(--color-bg-deep) l c h / 0.92) 90%);
}

[data-site="topkapi"] .topkapi-hero__grid {
  display: grid;
  gap: var(--s-8);
  align-items: end;
}
@media (min-width: 960px) {
  [data-site="topkapi"] .topkapi-hero__grid {
    grid-template-columns: 1.4fr 1fr;
  }
}

[data-site="topkapi"] .topkapi-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(48px, 7.5vw, 104px);
  font-weight: 380;
  line-height: 0.98;
  letter-spacing: -0.028em;
  margin: var(--s-5) 0 0;
  max-width: 14ch;
}
[data-site="topkapi"] .topkapi-hero h1 em {
  font-style: italic;
  color: oklch(from var(--color-accent) 82% c h);
}

[data-site="topkapi"] .topkapi-hero__lead {
  margin-top: var(--s-5);
  max-width: 50ch;
  color: oklch(from currentColor l c h / 0.85);
  font-size: var(--step-1);
  line-height: 1.55;
}

[data-site="topkapi"] .topkapi-hero__actions {
  margin-top: var(--s-7);
  display: flex;
  gap: var(--s-3);
  flex-wrap: wrap;
}

/* ================================================================
   QUICK FACTS STRIP — negative margin overlap
   ================================================================ */

[data-site="topkapi"] .qfacts__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-line);
  border-radius: var(--r-4);
  overflow: hidden;
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-1);
}
@media (min-width: 760px) {
  [data-site="topkapi"] .qfacts__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

[data-site="topkapi"] .qfact {
  background: var(--color-surface);
  padding: var(--s-5);
}

[data-site="topkapi"] .qfact__label {
  font-family: var(--font-mono);
  font-size: var(--step-fine);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  margin-bottom: 6px;
}

[data-site="topkapi"] .qfact__value {
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 460;
  letter-spacing: -0.012em;
  color: var(--color-ink);
}

[data-site="topkapi"] .qfact__sub {
  font-size: var(--step-xs);
  color: var(--color-muted);
  margin-top: 2px;
}

/* ================================================================
   FEATURED TICKET — gold-gradient card
   ================================================================ */

[data-site="topkapi"] .featured-ticket {
  margin-top: var(--section-y-sm);
  display: grid;
  gap: clamp(20px, 3.1vw, 40px);
  align-items: center;
  padding: clamp(24px, 3.7vw, 44px);
  border-radius: var(--r-5);
  background: linear-gradient(135deg,
    var(--color-bg-alt) 0%,
    oklch(from var(--color-accent) 96% 0.03 h) 100%);
  border: 1px solid var(--color-line);
}
@media (min-width: 860px) {
  [data-site="topkapi"] .featured-ticket {
    grid-template-columns: 1.4fr 1fr;
  }
}

[data-site="topkapi"] .featured-ticket__head h2 em {
  font-style: italic;
  color: var(--color-accent-ink);
}

[data-site="topkapi"] .featured-ticket__feats li {
  display: flex;
  gap: var(--s-3);
  align-items: start;
  font-size: var(--step-sm);
  color: var(--color-ink);
}

[data-site="topkapi"] .featured-ticket__feats svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent-ink);
  flex: none;
  margin-top: 2px;
}

[data-site="topkapi"] .featured-ticket__box {
  background: var(--color-surface);
  padding: var(--s-7);
  border-radius: var(--r-4);
  box-shadow: var(--shadow-1);
  border: 1px solid var(--color-line);
}

[data-site="topkapi"] .featured-ticket__box-price small {
  font-family: var(--font-body);
  font-size: var(--step-sm);
  font-weight: 400;
  color: var(--color-muted);
  margin-left: 4px;
  letter-spacing: 0;
}

/* ================================================================
   GUIDED STEPS — 01-04 italic numbers
   ================================================================ */

[data-site="topkapi"] .gsteps {
  display: grid;
  gap: var(--s-4);
}
@media (min-width: 720px) {
  [data-site="topkapi"] .gsteps {
    grid-template-columns: repeat(4, 1fr);
  }
}

[data-site="topkapi"] .gstep {
  padding: var(--s-6);
  border: 1px solid var(--color-line);
  border-radius: var(--r-4);
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  position: relative;
}

[data-site="topkapi"] .gstep__num {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.5vw, 44px);
  font-weight: 400;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.02em;
  font-style: italic;
}

[data-site="topkapi"] .gstep p {
  color: var(--color-ink-soft);
  font-size: var(--step-sm);
  line-height: 1.55;
}

[data-site="topkapi"] .gstep__time {
  font-family: var(--font-mono);
  font-size: var(--step-fine);
  color: var(--color-muted);
  letter-spacing: 0.05em;
  margin-top: auto;
  text-transform: uppercase;
}

/* ================================================================
   HAREM BAND — dark full-width editorial
   ================================================================ */

[data-site="topkapi"] .harem-band {
  padding: clamp(36px, 4.8vw, 64px) 0;
  background: var(--color-bg-deep);
  color: oklch(96% 0.01 110);
  text-align: center;
  position: relative;
  overflow: hidden;
}

[data-site="topkapi"] .harem-band::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, oklch(from var(--color-accent) 65% 0.14 h / 0.28) 0%, transparent 70%);
  pointer-events: none;
}
[data-site="topkapi"] .harem-band > * { position: relative; }

[data-site="topkapi"] .harem-band h2 em {
  font-style: italic;
  color: oklch(from var(--color-accent) 82% c h);
}

/* ================================================================
   PRIMARY CTA BUTTON — gold with subtle ink foreground on ochre
   ================================================================ */

[data-site="topkapi"] .btn--primary {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  border-color: var(--color-accent);
}

[data-site="topkapi"] .btn--primary:hover {
  background: oklch(from var(--color-accent) 60% c h);
  box-shadow: 0 12px 28px oklch(from var(--color-accent) 50% c h / 0.28);
}
