/* ============================================
   SANCTUM — The Inner Chamber
   Where the altar receives what is offered
   ============================================ */

/* --- Page Layout --- */
.sanctum-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 80px 20px 60px;
}

.sanctum-container {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding: 60px 40px 40px;
  border-width: 2px;
  border-style: solid;
  border-image: linear-gradient(
    180deg,
    var(--ruby) 0%,
    var(--amber) 25%,
    var(--sapphire) 50%,
    var(--emerald) 75%,
    var(--ruby) 100%
  ) 1;
}

/* Warm radial gradients layered on stone */
.sanctum-page {
  background:
    radial-gradient(ellipse at 50% 20%, rgba(139, 27, 27, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 30% 70%, rgba(139, 107, 26, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 50%, rgba(26, 26, 107, 0.03) 0%, transparent 50%),
    linear-gradient(180deg, var(--stone-bg) 0%, #0a0806 100%);
  background-color: var(--stone-bg);
}

/* --- Altar Symbol (CSS-drawn) --- */
.altar {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 40px auto 50px;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.altar:hover {
  transform: scale(1.02);
}

.altar-ring {
  position: absolute;
  border-radius: 50%;
  border-style: solid;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.altar-ring--outer {
  width: 200px;
  height: 200px;
  border-width: 2px;
  border-color: var(--ruby-glow);
  box-shadow: 0 0 20px rgba(187, 42, 42, 0.15), inset 0 0 20px rgba(187, 42, 42, 0.05);
  animation: altar-pulse 6s ease-in-out infinite, altar-color-outer 20s linear infinite;
}

.altar-ring--middle {
  width: 140px;
  height: 140px;
  border-width: 1px;
  border-color: var(--sapphire-glow);
  box-shadow: 0 0 15px rgba(51, 51, 170, 0.12), inset 0 0 15px rgba(51, 51, 170, 0.04);
  animation: altar-pulse 6s ease-in-out infinite 1s, altar-color-middle 20s linear infinite;
}

.altar-ring--inner {
  width: 80px;
  height: 80px;
  border-width: 1px;
  border-color: var(--amber-glow);
  box-shadow: 0 0 12px rgba(187, 154, 42, 0.1), inset 0 0 12px rgba(187, 154, 42, 0.04);
  animation: altar-pulse 6s ease-in-out infinite 2s, altar-color-inner 20s linear infinite;
}

/* Cross inside the altar */
.altar-cross {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.altar-cross-v {
  position: absolute;
  width: 2px;
  height: 120px;
  background: linear-gradient(180deg, transparent, var(--amber-glow), transparent);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.5;
}

.altar-cross-h {
  position: absolute;
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--amber-glow), transparent);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.5;
}

/* Center dot */
.altar-center {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber-glow);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 12px rgba(187, 154, 42, 0.4);
  animation: altar-center-pulse 4s ease-in-out infinite;
}

@keyframes altar-pulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.7;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.03);
    opacity: 1;
  }
}

@keyframes altar-center-pulse {
  0%, 100% {
    box-shadow: 0 0 12px rgba(187, 154, 42, 0.4);
    opacity: 0.7;
  }
  50% {
    box-shadow: 0 0 20px rgba(187, 154, 42, 0.6), 0 0 40px rgba(187, 154, 42, 0.2);
    opacity: 1;
  }
}

@keyframes altar-color-outer {
  0%, 100% { border-color: var(--ruby-glow); box-shadow: 0 0 20px rgba(187, 42, 42, 0.15); }
  33% { border-color: var(--amber-glow); box-shadow: 0 0 20px rgba(187, 154, 42, 0.15); }
  66% { border-color: var(--sapphire-glow); box-shadow: 0 0 20px rgba(51, 51, 170, 0.15); }
}

@keyframes altar-color-middle {
  0%, 100% { border-color: var(--sapphire-glow); box-shadow: 0 0 15px rgba(51, 51, 170, 0.12); }
  33% { border-color: var(--ruby-glow); box-shadow: 0 0 15px rgba(187, 42, 42, 0.12); }
  66% { border-color: var(--amber-glow); box-shadow: 0 0 15px rgba(187, 154, 42, 0.12); }
}

@keyframes altar-color-inner {
  0%, 100% { border-color: var(--amber-glow); box-shadow: 0 0 12px rgba(187, 154, 42, 0.1); }
  33% { border-color: var(--sapphire-glow); box-shadow: 0 0 12px rgba(51, 51, 170, 0.1); }
  66% { border-color: var(--ruby-glow); box-shadow: 0 0 12px rgba(187, 42, 42, 0.1); }
}

/* --- Altar Instruction --- */
.altar-instruction {
  font-family: var(--font-blackletter);
  font-style: italic;
  font-size: 0.65rem;
  color: var(--stone-dim);
  text-align: center;
  margin-top: 12px;
  opacity: 0;
  animation: altar-instruction-fade 4s ease-in forwards 3s;
  letter-spacing: 0.15em;
}

@keyframes altar-instruction-fade {
  from { opacity: 0; }
  to { opacity: 0.5; }
}

/* --- Poetry / Verse --- */
.sanctum-stanza {
  font-family: var(--font-blackletter);
  font-style: italic;
  font-size: 0.95rem;
  line-height: 2;
  color: var(--stone-text);
  text-align: center;
  padding: 16px 40px;
  margin: 24px auto;
  max-width: 520px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 1.2s ease, transform 1.2s ease;
}

.sanctum-stanza.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.stanza-word-link {
  color: var(--stone-text);
  text-decoration: none;
  transition: color 0.6s ease, text-shadow 0.6s ease;
  cursor: text;
}

.stanza-word-link:hover {
  color: var(--amber-glow);
  text-shadow: 0 0 6px rgba(187, 154, 42, 0.2);
  cursor: pointer;
}

/* --- Hidden Altar Revelation --- */
.altar-revelation {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 2s ease, opacity 2s ease;
  text-align: center;
  margin-top: 30px;
}

.altar-revelation.revealed {
  max-height: 600px;
  opacity: 1;
}

.revelation-text {
  font-family: var(--font-blackletter);
  font-size: 0.85rem;
  line-height: 2;
  color: var(--amber-glow);
  text-shadow: 0 0 8px rgba(187, 154, 42, 0.15);
  padding: 20px;
  border-left: 1px solid var(--amber);
  border-right: 1px solid var(--amber);
  max-width: 480px;
  margin: 0 auto;
  text-align: justify;
}

.revelation-text p {
  margin-bottom: 16px;
}

.revelation-text p:last-child {
  margin-bottom: 0;
}

/* --- Choir Link (appears after revelation) --- */
.choir-descent-link {
  display: block;
  text-align: center;
  margin-top: 40px;
  font-family: var(--font-blackletter);
  font-style: italic;
  font-size: 0.75rem;
  color: var(--stone-dim);
  letter-spacing: 0.15em;
  opacity: 0;
  transition: opacity 2s ease 1s, color 0.4s ease;
  pointer-events: none;
}

.choir-descent-link.visible {
  opacity: 0.5;
  pointer-events: auto;
}

.choir-descent-link:hover {
  color: var(--sapphire-glow);
  text-shadow: 0 0 8px rgba(51, 51, 170, 0.2);
}

/* --- Shadow Breathing --- */
@keyframes shadow-breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.85; }
}

.sanctum-page .cathedral-vignette {
  animation: shadow-breathe 8s ease-in-out infinite;
}

/* --- Footer --- */
.sanctum-footer {
  margin-top: 60px;
  text-align: center;
}

.sanctum-depth {
  font-family: var(--font-mono);
  font-size: 0.5rem;
  color: var(--stone-dark);
  letter-spacing: 0.4em;
  opacity: 0.2;
}

/* --- Mobile --- */
@media (max-width: 768px) {
  .sanctum-page {
    padding: 60px 12px 40px;
  }

  .sanctum-container {
    padding: 40px 20px 24px;
  }

  .altar {
    width: 160px;
    height: 160px;
  }

  .altar-ring--outer {
    width: 160px;
    height: 160px;
  }

  .altar-ring--middle {
    width: 112px;
    height: 112px;
  }

  .altar-ring--inner {
    width: 64px;
    height: 64px;
  }

  .altar-cross-v {
    height: 96px;
  }

  .altar-cross-h {
    width: 64px;
  }

  .sanctum-stanza {
    padding: 12px 20px;
    font-size: 0.85rem;
  }
}