/* Myth Maker — Landing (cinematic trailer satire) */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--void);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
}

/* ─── Atmosphere ─────────────────────────────────── */
.void-stage {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-6) var(--space-4);
  overflow: hidden;
}

.void-stage::before {
  content: "";
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(ellipse 80% 50% at 50% 40%, rgba(91, 141, 239, 0.07), transparent 55%),
    radial-gradient(ellipse 60% 40% at 70% 60%, rgba(167, 139, 250, 0.06), transparent 50%),
    radial-gradient(ellipse 50% 40% at 30% 70%, rgba(196, 164, 108, 0.05), transparent 50%),
    var(--void);
  z-index: 0;
  pointer-events: none;
}

/* Film grain */
.grain {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  opacity: 0.07;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.vignette {
  position: fixed;
  inset: 0;
  z-index: 49;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0, 0, 0, 0.65) 100%);
}

/* ─── Chrome ─────────────────────────────────────── */
.engine-badge {
  position: absolute;
  top: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.key-chip {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  appearance: none;
  border: 1px solid var(--border-strong);
  background: rgba(18, 21, 28, 0.85);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: border-color var(--dur-fast), color var(--dur-fast);
}
.key-chip:hover {
  border-color: var(--accent-draft);
  color: var(--text);
}
.key-chip-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-faint);
}
.key-chip-dot.is-live {
  background: var(--success);
  box-shadow: 0 0 8px rgba(61, 207, 142, 0.55);
}

/* Key modal */
.key-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
}
.key-modal[hidden] {
  display: none !important;
}
.key-panel {
  width: min(420px, 100%);
  background: var(--surface-1);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55);
}
.key-panel h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 var(--space-3);
}
.key-copy {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-muted);
  margin: 0 0 var(--space-4);
}
.key-copy strong { color: var(--text); font-weight: 500; }
.field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 var(--space-2);
}
.field-input {
  width: 100%;
  margin-bottom: var(--space-4);
  padding: 0.65rem 0.75rem;
  background: var(--surface-0);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  font: inherit;
  box-sizing: border-box;
}
.field-input:focus {
  outline: none;
  border-color: var(--accent-draft);
}
.key-hint {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  margin: -0.5rem 0 var(--space-4);
}
.key-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-3);
}
.btn-primary,
.btn-secondary {
  appearance: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  border-radius: var(--radius-sm);
  padding: 0.65rem 1rem;
}
.btn-primary {
  background: var(--accent-draft);
  color: #0a0a0a;
}
.btn-secondary {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .key-chip {
    top: auto;
    bottom: var(--space-5);
    right: 50%;
    transform: translateX(50%);
  }
  .engine-badge {
    top: var(--space-4);
  }
}

.pipeline-whisper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.pipeline-whisper span {
  opacity: 0.85;
}

.pipeline-whisper .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-faint);
  opacity: 0.5;
}

.pw-memory { color: var(--accent-memory); }
.pw-draft { color: var(--accent-draft); }
.pw-render { color: var(--accent-render); }

/* ─── Title cards (trailer supers) ───────────────── */
.landing-main {
  position: relative;
  z-index: 5;
  width: min(640px, 100%);
  text-align: center;
}

.card-deck {
  position: relative;
  min-height: 9.5rem;
  margin-bottom: var(--space-6);
}

.trailer-card {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: 0 var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out),
    visibility var(--dur-slow);
}

.trailer-card.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  position: relative;
}

.trailer-card .kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.trailer-card .line {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.25rem, 4.2vw, 1.85rem);
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: var(--text);
  max-width: 28ch;
  margin: 0;
}

.trailer-card .line.small {
  font-size: clamp(0.95rem, 2.8vw, 1.15rem);
  color: var(--text-muted);
  font-weight: 400;
  max-width: 36ch;
}

.trailer-card .title-lock {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.4rem, 8vw, 3.75rem);
  letter-spacing: 0.04em;
  line-height: 1.05;
  margin: 0;
  background: linear-gradient(180deg, #fff 0%, #c8cdd8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.trailer-card .tagline {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-style: italic;
  color: var(--accent-draft);
  margin: 0;
  letter-spacing: 0.04em;
}

/* Deck controls */
.deck-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.deck-btn {
  appearance: none;
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    border-color var(--dur-fast),
    color var(--dur-fast),
    background var(--dur-fast);
}

.deck-btn:hover {
  border-color: var(--text-muted);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.deck-btn:focus-visible {
  outline: 2px solid var(--accent-draft);
  outline-offset: 2px;
}

.deck-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.deck-dots {
  display: flex;
  gap: 8px;
  align-items: center;
}

.deck-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-faint);
  opacity: 0.45;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: opacity var(--dur-fast), transform var(--dur-fast), background var(--dur-fast);
}

.deck-dot.is-active {
  opacity: 1;
  background: var(--accent-draft);
  transform: scale(1.25);
}

/* Subhead + CTA */
.subhead {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 34ch;
  margin: 0 auto var(--space-6);
}

.subhead strong {
  color: var(--text);
  font-weight: 500;
}

.cta-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.btn-enter {
  appearance: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--void);
  background: var(--text);
  padding: 1rem 2.75rem;
  border-radius: var(--radius-sm);
  position: relative;
  transition:
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-med);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1), 0 12px 40px rgba(0, 0, 0, 0.45);
}

.btn-enter:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.15),
    0 0 32px rgba(196, 164, 108, 0.2),
    0 16px 48px rgba(0, 0, 0, 0.5);
}

.btn-enter:focus-visible {
  outline: 2px solid var(--accent-draft);
  outline-offset: 3px;
}

.btn-enter:active {
  transform: translateY(0);
}

.btn-enter.is-flashing {
  animation: accent-cycle 0.75s var(--ease-out) forwards;
}

@keyframes accent-cycle {
  0% { box-shadow: 0 0 40px rgba(91, 141, 239, 0.45); }
  40% { box-shadow: 0 0 40px rgba(196, 164, 108, 0.45); }
  70% { box-shadow: 0 0 40px rgba(167, 139, 250, 0.45); }
  100% { box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1); }
}

.fine-print {
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--text-faint);
  max-width: 40ch;
  margin: 0;
}

.stinger {
  margin-top: var(--space-8);
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  font-style: italic;
}

/* ─── Melt overlay ───────────────────────────────── */
.melt-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--void);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity var(--dur-melt) var(--ease-out),
    visibility var(--dur-melt);
}

.melt-overlay.is-on {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

body.is-melting .void-stage {
  filter: saturate(0.3) brightness(0.5);
  transform: scale(1.02);
  transition:
    filter var(--dur-melt) var(--ease-out),
    transform var(--dur-melt) var(--ease-out);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .trailer-card {
    transition: opacity 0.01ms;
    transform: none;
  }
  .btn-enter.is-flashing {
    animation: none;
  }
  body.is-melting .void-stage {
    transform: none;
  }
  .melt-overlay {
    transition-duration: 0.01ms;
  }
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--text);
  color: var(--void);
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}