/* ============================================================
   Pangu Hub — "The First Being"
   Primordial / cosmic / creation-fire palette.
   Axe-stone, blood-ruby, void-dark, cosmic-light.
   ============================================================ */

:root {
  --pg-void: #0a0c14;
  --pg-night: #111620;
  --pg-blood: #8b3a3a;
  --pg-blood-bright: #c45440;
  --pg-gold: #d4a840;
  --pg-gold-bright: #e8c860;
  --pg-axe: #7a8a7a;
  --pg-sky: #4a6a8a;
  --pg-earth: #6a5a3a;
  --pg-flesh: #9a7060;
  --pg-cream: #f0ebe0;
  --pg-parchment: #e8dfcd;
  --pg-mist: #989088;
  --pg-silver: #c0b8b0;
  --pg-cloud: #d8d4c8;
}

/* ---- Hero ---- */
.pg-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(170deg, #05080e 0%, #0a0c14 30%, #111620 60%, #0a0c14 100%);
  overflow: hidden;
}
.pg-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(ellipse at 50% 35%, rgba(196,84,64,0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 50% 65%, rgba(212,168,64,0.04) 0%, transparent 50%);
  pointer-events: none;
}
.pg-hero-bg-img {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.pg-hero-bg-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: brightness(0.55) saturate(0.65);
}
.pg-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(ellipse at center, transparent 25%, rgba(5,8,14,0.75) 100%);
  pointer-events: none;
}
.pg-hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  padding: var(--space-lg);
}
.pg-hero-sigil {
  font-size: 3.6rem;
  margin-bottom: var(--space-sm);
  filter: drop-shadow(0 0 30px rgba(212,168,64,0.2));
}
.pg-hero-kicker {
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--pg-gold);
  margin-bottom: var(--space-xs);
}
.pg-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  color: var(--pg-silver);
  text-shadow: 0 0 50px rgba(212,168,64,0.12);
  margin-bottom: var(--space-xs);
}
.pg-hero-chinese {
  font-family: var(--font-chinese-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  color: rgba(192,184,176,0.18);
  margin-bottom: var(--space-sm);
}
.pg-hero-divider {
  width: 80px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--pg-blood-bright), transparent);
  margin: var(--space-md) auto;
  opacity: 0.5;
}
.pg-hero-sub {
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--pg-mist);
  font-style: italic;
  line-height: 1.6;
  max-width: 540px;
  margin: 0 auto;
}
.pg-hero-stat {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--pg-gold-bright);
  border: 1px solid rgba(212,168,64,0.2);
  padding: 12px 24px;
  margin-top: var(--space-md);
}

/* ---- Scroll ---- */
.pg-scroll { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); z-index: 2; }
.pg-scroll-arrow { display: block; width: 20px; height: 20px; border-right: 1px solid rgba(192,184,176,0.3); border-bottom: 1px solid rgba(192,184,176,0.3); transform: rotate(45deg); animation: pg-scroll-bob 2s ease-in-out infinite; }
@keyframes pg-scroll-bob { 0%, 100% { transform: rotate(45deg) translate(0,0); opacity: 0.3; } 50% { transform: rotate(45deg) translate(5px,5px); opacity: 0.7; } }

/* ---- Identity Cards ---- */
.pg-id-section {
  padding: var(--space-xxl) 0;
  background: var(--pg-cream);
}
.pg-id-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  max-width: 960px; margin: 0 auto;
}
.pg-id-card {
  text-align: center;
  padding: var(--space-md);
  background: #fff;
  border: 1px solid rgba(122,138,122,0.06);
  border-radius: var(--radius-sm);
  transition: transform 0.3s, box-shadow 0.3s;
}
.pg-id-card:hover { transform: translateY(-3px); box-shadow: 0 6px 24px rgba(10,12,20,0.06); }
.pg-id-emoji { font-size: 2rem; margin-bottom: var(--space-xs); }
.pg-id-label { font-family: var(--font-display); font-size: 0.68rem; letter-spacing: 2px; text-transform: uppercase; color: var(--pg-mist); display: block; margin-bottom: 4px; }
.pg-id-title { font-family: var(--font-chinese-display); font-size: 1rem; color: var(--pg-blood); }

/* ---- Story Cards ---- */
.pg-story-section {
  padding: var(--space-xxl) 0;
  background: #f5f3f0;
}
.pg-story-card {
  max-width: 680px;
  margin: 0 auto var(--space-xl);
  padding: var(--space-lg);
  background: #fff;
  border-left: 3px solid var(--pg-gold);
}
.pg-story-card:last-child { margin-bottom: 0; }
.pg-story-number { font-family: var(--font-display); font-size: 2.5rem; color: rgba(212,168,64,0.1); float: left; line-height: 1; margin-right: var(--space-md); }
.pg-story-label { font-family: var(--font-display); font-size: 0.7rem; letter-spacing: 3px; text-transform: uppercase; color: var(--pg-gold); margin-bottom: 4px; }
.pg-story-title { font-family: var(--font-display); font-size: 1.2rem; color: var(--pg-void); margin-bottom: var(--space-sm); }
.pg-story-body { font-family: var(--font-body); font-size: 1rem; color: var(--text-secondary); line-height: 1.8; }
.pg-story-body strong { color: var(--pg-blood); }

/* ---- Hub Grid ---- */
.pg-hub {
  padding: var(--space-xxl) 0;
  background: var(--pg-cream);
}
.pg-hub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  max-width: 960px; margin: 0 auto;
}
.pg-hub-card {
  display: block; text-decoration: none;
  background: #fff;
  border: 1px solid rgba(122,138,122,0.06);
  border-radius: var(--radius-sm);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.pg-hub-card:hover { border-color: var(--pg-gold); box-shadow: 0 4px 20px rgba(10,12,20,0.05); }
.pg-hub-card-icon { font-size: 2.4rem; margin-bottom: var(--space-sm); }
.pg-hub-card-title { font-family: var(--font-display); font-size: 1.05rem; color: var(--pg-void); margin-bottom: var(--space-xs); }
.pg-hub-card-desc { font-family: var(--font-body); font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; }

/* ---- Mobile ---- */
@media (max-width: 767px) {
  .pg-id-grid { grid-template-columns: repeat(2, 1fr); }
  .pg-hub-grid { grid-template-columns: 1fr; }
  .pg-story-number { float: none; display: block; margin-bottom: var(--space-sm); }
}