/* ============================================================
   Tang Sanzang Hub — "Sutra Chamber"
   Cool indigo / ink / pale-gold palette.
   A scholar's study, not a warrior's hall.
   ============================================================ */

:root {
  --ts-indigo: #3a4f7a;
  --ts-ink: #1e2a3a;
  --ts-parchment: #e8e0d5;
  --ts-gold-pale: #c4b896;
  --ts-vermilion-faded: #a64e3a;
  --ts-mist: #8a94a8;
  --ts-cream: #f5f1ea;
}

/* ---- Navigation ---- */
.ts-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-lg);
  background: rgba(30,42,58,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(196,184,150,0.12);
}
.ts-nav a {
  font-family: var(--font-display);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ts-gold-pale);
  text-decoration: none;
  transition: color 0.3s;
}
.ts-nav a:hover { color: var(--ts-cream); }

/* ---- Hero ---- */
.ts-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(175deg, #1a2738 0%, #243550 30%, #2d3f5e 60%, #1e2a3a 100%);
  overflow: hidden;
}
.ts-hero-bg-img {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.ts-hero-bg-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  filter: brightness(0.65) saturate(0.75);
}
.ts-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(26,39,56,0.55) 100%);
  pointer-events: none;
}

.ts-hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 680px;
  padding: var(--space-lg);
}
.ts-hero-kicker {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--ts-mist);
  margin-bottom: var(--space-xs);
}
.ts-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  color: var(--ts-gold-pale);
  text-shadow: 0 0 40px rgba(196,184,150,0.2);
  margin-bottom: var(--space-xs);
}
.ts-hero-chinese {
  font-family: var(--font-chinese-display);
  font-size: clamp(2rem, 4vw, 3rem);
  color: rgba(196,184,150,0.35);
  margin-bottom: var(--space-sm);
}
.ts-hero-sub {
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--ts-mist);
  font-style: italic;
  line-height: 1.6;
  max-width: 480px;
  margin: 0 auto;
}
.ts-hero-divider {
  width: 60px; height: 1px;
  background: var(--ts-vermilion-faded);
  margin: var(--space-md) auto;
  opacity: 0.5;
}

/* ---- Scroll hint ---- */
.ts-scroll { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); z-index: 2; }
.ts-scroll-arrow {
  display: block;
  width: 24px; height: 24px;
  border-right: 1px solid rgba(196,184,150,0.3);
  border-bottom: 1px solid rgba(196,184,150,0.3);
  transform: rotate(45deg);
  animation: ts-scroll-bob 2s ease-in-out infinite;
}
@keyframes ts-scroll-bob {
  0%, 100% { transform: rotate(45deg) translate(0,0); opacity: 0.4; }
  50% { transform: rotate(45deg) translate(6px,6px); opacity: 0.8; }
}

/* ---- Vows Cards ---- */
.ts-vows {
  padding: var(--space-xxl) 0;
  background: var(--ts-cream);
}
.ts-vows-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  max-width: 1000px; margin: 0 auto;
}
.ts-vow-card {
  background: #fff;
  border: 1px solid rgba(58,79,122,0.08);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}
.ts-vow-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(30,42,58,0.08);
}
.ts-vow-icon { font-size: 2rem; margin-bottom: var(--space-xs); }
.ts-vow-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ts-mist);
  display: block;
  margin-bottom: 4px;
}
.ts-vow-value {
  font-family: var(--font-chinese-display);
  font-size: 1.05rem;
  color: var(--ts-indigo);
}

/* ---- Scripture Snippets ---- */
.ts-scriptures {
  padding: var(--space-xxl) 0;
  background: #f8f6f2;
}
.ts-sutra {
  max-width: 680px;
  margin: 0 auto var(--space-lg);
  text-align: center;
  padding: var(--space-lg);
  border-left: 3px solid var(--ts-gold-pale);
  background: rgba(255,255,255,0.6);
}
.ts-sutra:last-child { margin-bottom: 0; }
.ts-sutra-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--ts-vermilion-faded);
  margin-bottom: var(--space-xs);
}
.ts-sutra-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--ts-ink);
  margin-bottom: var(--space-sm);
}
.ts-sutra-text {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-style: italic;
}

/* ---- Hub Navigation ---- */
.ts-hub {
  padding: var(--space-xxl) 0;
  background: var(--ts-cream);
}
.ts-hub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  max-width: 960px; margin: 0 auto;
}
.ts-hub-card {
  display: block;
  text-decoration: none;
  background: #fff;
  border: 1px solid rgba(58,79,122,0.06);
  border-radius: var(--radius-sm);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.ts-hub-card:hover {
  border-color: var(--ts-gold-pale);
  box-shadow: 0 4px 20px rgba(30,42,58,0.06);
}
.ts-hub-card-icon { font-size: 2.4rem; margin-bottom: var(--space-sm); }
.ts-hub-card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--ts-ink);
  margin-bottom: var(--space-xs);
}
.ts-hub-card-desc {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ---- Inscription overrides ---- */
.ts-inscription .inscription-section {
  background: var(--ts-ink);
}

/* ---- Mobile ---- */
@media (max-width: 767px) {
  .ts-vows-grid { grid-template-columns: repeat(2, 1fr); }
  .ts-hub-grid { grid-template-columns: 1fr; }
  .ts-nav { padding: var(--space-xs) var(--space-sm); }
}