/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --void: #050508;
  --deep: #0a0a0f;
  --surface: #0f0f14;
  --surface-2: #14141c;
  --border: #1c1c28;
  --crimson: #b8252f;
  --crimson-glow: #e02a35;
  --text: #d0d0d8;
  --text-dim: #6a6a7a;
  --text-bright: #ececf0;
  --mono: 'IBM Plex Mono', monospace;
  --display: 'Bebas Neue', sans-serif;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--void);
  color: var(--text);
  font-family: var(--mono);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}

/* === SCANLINES === */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.07) 2px,
    rgba(0, 0, 0, 0.07) 4px
  );
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 80px 8vw 60px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 30%, rgba(5,5,8,0.8) 70%, var(--void) 100%),
    linear-gradient(to right, var(--void) 0%, transparent 30%),
    linear-gradient(to left, rgba(184,37,47,0.04) 0%, transparent 40%),
    var(--deep);
}

.corridor-lines {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0px,
      transparent 120px,
      rgba(255,255,255,0.015) 120px,
      rgba(255,255,255,0.015) 121px,
      transparent 121px,
      transparent 240px
    ),
    repeating-linear-gradient(
      0deg,
      transparent 0px,
      transparent 200px,
      rgba(255,255,255,0.008) 200px,
      rgba(255,255,255,0.008) 201px,
      transparent 201px
    );
  transform: perspective(800px) rotateX(8deg);
  transform-origin: center bottom;
}

.hero-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 100% at 50% 100%, transparent 0%, var(--void) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
}

.logotype {
  font-family: var(--display);
  font-size: clamp(72px, 14vw, 160px);
  line-height: 0.9;
  letter-spacing: -0.01em;
  color: var(--text-bright);
  margin-bottom: 24px;
  text-shadow: 0 0 60px rgba(184,37,47,0.3), 0 2px 0 rgba(0,0,0,0.8);
}

.eyebrow {
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--crimson);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.tagline {
  font-size: clamp(16px, 2.5vw, 22px);
  font-weight: 400;
  color: var(--text-dim);
  margin-bottom: 32px;
  font-style: italic;
}

.hero-body {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 560px;
  border-left: 1px solid var(--border);
  padding-left: 20px;
}

.hero-meta {
  position: absolute;
  top: 40px;
  right: 8vw;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--crimson);
  box-shadow: 0 0 8px var(--crimson-glow);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* === MANIFESTO === */
.manifesto {
  padding: 100px 8vw;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 60px;
  align-items: start;
}

.manifesto-label {
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--crimson);
  padding-top: 6px;
}

.manifesto-body p {
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.4;
  color: var(--text-bright);
  font-weight: 400;
  margin-bottom: 32px;
}

.manifesto-body p em {
  color: var(--crimson);
  font-style: normal;
}

/* === MEMORY === */
.memory {
  padding: 100px 8vw;
  border-bottom: 1px solid var(--border);
}

.memory-label, .approach-label, .closing-label {
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--crimson);
  text-transform: uppercase;
  margin-bottom: 60px;
}

.memory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}

.memory-block {
  background: var(--void);
  padding: 48px 40px;
}

.memory-icon {
  font-size: 18px;
  color: var(--crimson);
  margin-bottom: 28px;
  line-height: 1;
}

.memory-title {
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: 0.05em;
  color: var(--text-bright);
  margin-bottom: 16px;
}

.memory-desc {
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* === APPROACH === */
.approach {
  padding: 100px 8vw;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 160px 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.approach-body p {
  font-size: 15px;
  color: var(--text);
  margin-bottom: 32px;
}

.approach-body ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.approach-body ul li {
  font-size: 13px;
  color: var(--text-dim);
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}

.approach-body ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--crimson);
}

.approach-facts {
  display: flex;
  gap: 0;
  align-items: center;
}

.fact {
  text-align: center;
  padding: 0 32px;
}

.fact-num {
  font-family: var(--display);
  font-size: 72px;
  line-height: 1;
  color: var(--text-bright);
  margin-bottom: 8px;
}

.fact-label {
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  text-transform: uppercase;
  line-height: 1.5;
}

.fact-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
}

/* === WAITLIST === */
.session-counter {
  margin: 0 auto 40px;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--text-dim);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.session-counter-value {
  font-family: var(--display);
  font-size: 28px;
  color: var(--crimson);
  letter-spacing: 0.1em;
}

.waitlist-block {
  max-width: 520px;
  margin: 0 auto 48px;
}

.waitlist-form {
  position: relative;
}

.waitlist-input-row {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
}

.waitlist-input {
  flex: 1;
  background: var(--surface);
  border: none;
  outline: none;
  color: var(--text-bright);
  font-family: var(--mono);
  font-size: 13px;
  padding: 14px 18px;
  font-weight: 300;
  min-width: 0;
}

.waitlist-input::placeholder {
  color: var(--text-dim);
}

.waitlist-input:focus {
  background: var(--surface-2);
}

.waitlist-btn {
  background: var(--crimson);
  border: none;
  color: #fff;
  font-family: var(--display);
  font-size: 14px;
  letter-spacing: 0.1em;
  padding: 14px 24px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}

.waitlist-btn:hover:not(:disabled) {
  background: var(--crimson-glow);
}

.waitlist-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.waitlist-error {
  margin-top: 10px;
  font-size: 11px;
  color: var(--crimson);
  letter-spacing: 0.05em;
  min-height: 16px;
}

.waitlist-confirm {
  padding: 24px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.confirm-session {
  font-family: var(--display);
  font-size: 20px;
  letter-spacing: 0.1em;
  color: var(--text-bright);
  margin-bottom: 10px;
}

.confirm-text {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

@media (max-width: 600px) {
  .waitlist-input-row {
    flex-direction: column;
  }
  .waitlist-btn {
    width: 100%;
    padding: 14px;
  }
  .session-counter {
    flex-direction: column;
    gap: 4px;
  }
}

/* === CLOSING === */
.closing {
  padding: 120px 8vw;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--void) 0%, rgba(10,10,15,0.95) 100%);
}

.closing-label {
  margin-bottom: 60px;
}

.closing-statement {
  max-width: 640px;
  margin: 0 auto 80px;
}

.closing-statement p {
  font-family: var(--display);
  font-size: clamp(28px, 5vw, 52px);
  line-height: 1.1;
  color: var(--text-bright);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.closing-cta {
  margin-top: 80px;
}

.cta-label {
  font-family: var(--display);
  font-size: 28px;
  letter-spacing: 0.1em;
  color: var(--text-bright);
  margin-bottom: 8px;
}

.cta-sub {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.3em;
}

/* === FOOTER === */
footer {
  padding: 60px 8vw;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  background: var(--void);
}

.footer-title {
  font-family: var(--display);
  font-size: 24px;
  letter-spacing: 0.05em;
  color: var(--text-bright);
  margin-bottom: 6px;
}

.footer-sub {
  font-size: 11px;
  color: var(--text-dim);
}

.footer-tag {
  font-size: 12px;
  color: var(--text-dim);
  font-style: italic;
  text-align: right;
  max-width: 300px;
}

/* === LIMINAL SECTOR === */
.liminal {
  padding: 80px 8vw;
  border-bottom: 1px solid var(--border);
  background: var(--void);
}

.liminal-label {
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--crimson);
  text-transform: uppercase;
  margin-bottom: 48px;
  font-family: var(--mono);
}

.liminal-canvas-wrap {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  border: 1px solid var(--border);
  overflow: hidden;
}

#liminal-canvas {
  display: block;
  width: 100%;
  height: 380px;
}

.canvas-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.atmosphere-hud {
  position: absolute;
  top: 16px;
  left: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hud-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  letter-spacing: 0.2em;
  font-family: var(--mono);
}

.hud-key {
  color: var(--text-dim);
  min-width: 80px;
}

.hud-val {
  display: flex;
  gap: 4px;
  align-items: center;
}

.atmo-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--border);
  transition: background 0.3s;
}

.atmo-dot.active {
  background: var(--crimson);
  box-shadow: 0 0 6px var(--crimson-glow);
}

.hud-status {
  color: var(--text-dim);
  font-size: 10px;
  letter-spacing: 0.2em;
}

.liminal-room-wrap {
  max-width: 860px;
  margin: 0 auto;
  padding-top: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.current-room {
  border: 1px solid var(--border);
  padding: 32px;
  background: var(--surface);
  min-height: 160px;
}

.room-placeholder {
  color: var(--text-dim);
  font-size: 13px;
  font-style: italic;
}

.room-name {
  font-family: var(--display);
  font-size: 24px;
  letter-spacing: 0.08em;
  color: var(--text-bright);
  margin-bottom: 16px;
}

.room-desc {
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-dim);
  font-style: italic;
}

.entity-manifest {
  margin-top: 20px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px;
  border: 1px solid rgba(184,37,47,0.3);
  background: rgba(184,37,47,0.04);
}

.entity-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--crimson);
  box-shadow: 0 0 8px var(--crimson-glow);
  flex-shrink: 0;
  margin-top: 4px;
  animation: pulse 2s ease-in-out infinite;
}

.entity-text {
  font-size: 12px;
  color: var(--text-dim);
  font-style: italic;
}

.ai-narrative {
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-dim);
  font-style: italic;
  border-left: 1px solid var(--crimson);
  padding-left: 14px;
}

.room-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.room-btn {
  display: flex;
  align-items: stretch;
  background: var(--surface);
  border: 1px solid var(--border);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.2s, background 0.2s;
  font-family: var(--mono);
}

.room-btn:hover:not(:disabled) {
  border-color: var(--crimson);
  background: rgba(184,37,47,0.05);
}

.room-dir {
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--crimson);
  padding: 14px 12px;
  border-right: 1px solid var(--border);
  background: var(--surface-2);
  min-width: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.room-label {
  font-size: 12px;
  color: var(--text-bright);
  padding: 12px 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
}

.room-label strong {
  display: block;
}

.room-hint {
  display: block;
  font-size: 10px;
  color: var(--text-dim);
  font-style: italic;
}

.room-btn.locked {
  opacity: 0.4;
  cursor: not-allowed;
}

.narrative-panel {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  max-width: 520px;
  width: calc(100vw - 40px);
  background: var(--surface-2);
  border: 1px solid var(--crimson);
  padding: 16px 20px;
  font-size: 13px;
  color: var(--text-dim);
  font-style: italic;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s, transform 0.4s;
  z-index: 100;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.narrative-panel.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.entity-alert-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--crimson);
  box-shadow: 0 0 8px var(--crimson-glow);
  flex-shrink: 0;
  margin-top: 4px;
  animation: pulse 1.5s ease-in-out infinite;
}

.liminal-entrance {
  display: flex;
  justify-content: center;
  margin-top: 60px;
}

.enter-btn {
  background: transparent;
  border: 1px solid var(--crimson);
  color: var(--crimson);
  font-family: var(--display);
  font-size: 16px;
  letter-spacing: 0.2em;
  padding: 16px 48px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.enter-btn:hover {
  background: var(--crimson);
  color: #fff;
}

/* === LIMINAL RETURN-VISIT MODIFIERS === */

/* Memory-locked room: warmer red tint, distinct from schema-locked */
.room-btn.locked-memory {
  opacity: 0.5;
  cursor: not-allowed;
  border-color: rgba(184,37,47,0.4);
}
.room-btn.locked-memory .room-dir {
  color: rgba(184,37,47,0.5);
}

/* Door ajar: previously sealed, now open for skipped rooms */
.room-btn.door-ajar {
  border-color: rgba(120,200,180,0.35);
  background: rgba(120,200,180,0.03);
}
.room-btn.door-ajar .room-dir {
  color: rgba(120,200,180,0.7);
}
.room-btn.door-ajar:hover {
  border-color: rgba(120,200,180,0.6);
  background: rgba(120,200,180,0.06);
}

/* Audio shift indicator: subtle left-border glow */
.room-btn.audio-shift {
  border-left: 2px solid rgba(184,37,47,0.6);
}

/* Return-visit welcome message in narrative panel */
.narrative-panel.return-visit {
  border-color: rgba(184,37,47,0.7);
  background: rgba(10,10,16,0.95);
}
.narrative-panel .return-welcome {
  color: var(--text-bright);
  font-style: normal;
  letter-spacing: 0.04em;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .manifesto {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 60px 6vw;
  }
  .memory-grid {
    grid-template-columns: 1fr;
  }
  .approach {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 60px 6vw;
  }
  .approach-facts {
    flex-direction: column;
    gap: 32px;
  }
  .fact-divider {
    width: 60px;
    height: 1px;
    background: var(--border);
  }
  .hero {
    padding: 60px 6vw 48px;
  }
  .hero-meta {
    display: none;
  }
  footer {
    flex-direction: column;
    gap: 24px;
    align-items: flex-start;
    padding: 40px 6vw;
  }
  .footer-tag {
    text-align: left;
  }
}