/* PuniCodex — The Archē experience styles.
 *
 * A scroll-driven cosmogony: Act I ascends through the first principles,
 * The Turn inverts the world, Act II descends into the industries.
 * The page is fully readable without JS; .arche-live marks the enhanced
 * cinematic mode, body.arche-turned carries the inverted Act II palette.
 */

:root {
  --arche-ivory: #ede6d6;
  --arche-gold: #d4af37;
  --arche-gold-dim: #9a7f24;
  --arche-ink: #050505;
  --arche-ink-2: #0c0b09;
  --arche-mist: #6a6659;
  --arche-line: rgba(212, 175, 55, 0.22);
  --arche-font-display: 'Cinzel', 'Times New Roman', serif;
  --arche-font-body: 'Alegreya', Georgia, serif;
}

html {
  scroll-behavior: smooth;
}

.arche-body {
  margin: 0;
  background: var(--arche-ink);
  color: var(--arche-ivory);
  font-family: var(--arche-font-body);
  overflow-x: hidden;
  transition: background-color 1.2s ease, color 1.2s ease;
}

/* Act II palette inversion after The Turn. */
.arche-body.arche-turned {
  background: var(--arche-ivory);
  color: var(--arche-ink);
}

/* ── Per-principle colour grading: the engine sets body[data-fx]. ── */
body[data-fx='water'] { --arche-gold: #7fb8c9; --arche-gold-dim: #4d7c8a; }
body[data-fx='love'] { --arche-gold: #d9a0a8; --arche-gold-dim: #a06a72; }
body[data-fx='death'] { --arche-gold: #b9c4d4; --arche-gold-dim: #7e8ba0; }
body[data-fx='the-song'] { --arche-gold: #e0b35c; --arche-gold-dim: #a67f33; }
body[data-fx='the-wild'] { --arche-gold: #a8bd7a; --arche-gold-dim: #71854b; }
body[data-fx='the-child'] { --arche-gold: #e8c86e; --arche-gold-dim: #b3913d; }
body[data-fx='the-clay'] { --arche-gold: #c9925e; --arche-gold-dim: #8f6238; }
body[data-fx='order'] { --arche-gold: #c9b96a; --arche-gold-dim: #94843c; }
body[data-fx='wisdom'] { --arche-gold: #9fb8d9; --arche-gold-dim: #6a82a3; }
body[data-fx='trickery'] { --arche-gold: #b08ec9; --arche-gold-dim: #7d5f94; }
body[data-fx='renewal'] { --arche-gold: #d4c25c; --arche-gold-dim: #9c8c33; }
body[data-fx='light'] { --arche-gold: #e3cd6e; --arche-gold-dim: #ab9440; }
/* The Rebel and The End keep their crimson/fire accents from the canvas. */
body[data-fx='thunder'] { --arche-gold: #c9d4e0; --arche-gold-dim: #8a97a8; }

/* Act II: every descent principle its own world — no two slides alike. */
body[data-fx='d-chaos'] { --arche-gold: #8d7bb5; --arche-gold-dim: #5f5083; }
body[data-fx='d-rebel'] { --arche-gold: #b33a3a; --arche-gold-dim: #7d2626; }
body[data-fx='d-clay'] { --arche-gold: #b5703f; --arche-gold-dim: #7f4c28; }
body[data-fx='d-one'] { --arche-gold: #a8923f; --arche-gold-dim: #776528; }
body[data-fx='d-separation'] { --arche-gold: #6f87a8; --arche-gold-dim: #4a5d78; }
body[data-fx='d-light'] { --arche-gold: #c99a2e; --arche-gold-dim: #8f6c1c; }
body[data-fx='d-water'] { --arche-gold: #2e8b9a; --arche-gold-dim: #1d5f6b; }
body[data-fx='d-thunder'] { --arche-gold: #3a6fd8; --arche-gold-dim: #254a94; }
body[data-fx='d-wild'] { --arche-gold: #4c8a3f; --arche-gold-dim: #335e2a; }
body[data-fx='d-order'] { --arche-gold: #8a6d2f; --arche-gold-dim: #5f4b1e; }
body[data-fx='d-wisdom'] { --arche-gold: #46599e; --arche-gold-dim: #2f3d6e; }
body[data-fx='d-song'] { --arche-gold: #b84a9a; --arche-gold-dim: #83326c; }
body[data-fx='d-love'] { --arche-gold: #c25a6e; --arche-gold-dim: #8a3a4a; }
body[data-fx='d-child'] { --arche-gold: #cf9f35; --arche-gold-dim: #93701e; }
body[data-fx='d-war'] { --arche-gold: #9c4530; --arche-gold-dim: #682d1f; }
body[data-fx='d-death'] { --arche-gold: #5d6b7d; --arche-gold-dim: #3d4757; }
body[data-fx='d-trickery'] { --arche-gold: #7d4fa8; --arche-gold-dim: #553474; }
body[data-fx='d-renewal'] { --arche-gold: #3d8a5f; --arche-gold-dim: #275e40; }
body[data-fx='d-end'] { --arche-gold: #8a2f2f; --arche-gold-dim: #5c1e1e; }

.arche-title-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.arche-title-link:hover,
.arche-title-link:focus-visible {
  border-color: var(--arche-gold);
}

#arche-fx {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  transition: opacity 0.8s ease;
}

.arche-stage {
  position: relative;
  z-index: 1;
}

/* ─── Scenes ─────────────────────────────────────────────────────────── */

.arche-scene {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12vh 6vw;
  box-sizing: border-box;
}

.arche-scene-inner {
  width: min(1100px, 100%);
  position: relative;
}

.arche-scene-inner--center {
  text-align: center;
  width: min(880px, 100%);
}

/* Headings */

.arche-kicker {
  display: block;
  font-family: var(--arche-font-body);
  font-size: 0.78rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--arche-gold);
  margin-bottom: 1.1rem;
}

.arche-kicker--big {
  font-size: 1rem;
  letter-spacing: 0.6em;
}

.arche-title {
  font-family: var(--arche-font-display);
  font-weight: 400;
  font-size: clamp(2rem, 5.2vw, 3.6rem);
  line-height: 1.08;
  margin: 0 0 1.6rem;
  color: inherit;
}

.arche-title--huge {
  font-size: clamp(2.6rem, 8vw, 5.5rem);
  letter-spacing: 0.02em;
}

.arche-thesis {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  line-height: 1.7;
  color: inherit;
  opacity: 0.82;
  max-width: 46rem;
  margin: 0 auto 2.5rem;
}

/* Verse */

.arche-verse {
  margin: 0 0 3rem;
}

.arche-verse-line {
  font-size: clamp(1.05rem, 1.9vw, 1.35rem);
  line-height: 1.75;
  margin: 0 0 0.35rem;
  opacity: 0.9;
}

.arche-scene-inner--center .arche-verse-line {
  margin-left: auto;
  margin-right: auto;
  max-width: 40rem;
}

/* Begin / CTA */

.arche-begin {
  display: inline-block;
  margin-top: 1.5rem;
  font-family: var(--arche-font-body);
  font-size: 0.95rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--arche-gold);
  text-decoration: none;
  border-bottom: 1px solid var(--arche-line);
  padding-bottom: 0.45rem;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.arche-begin:hover,
.arche-begin:focus-visible {
  color: var(--arche-ivory);
  border-color: var(--arche-gold);
}

.arche-body.arche-turned .arche-begin:hover,
.arche-body.arche-turned .arche-begin:focus-visible {
  color: var(--arche-ink);
}

.arche-begin--turn {
  margin-top: 2.5rem;
}

/* Outro hand-off line */

.arche-outro {
  margin-top: 3.5rem;
  font-style: italic;
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--arche-mist);
  text-align: center;
}

/* ─── The Choir: every remaining name in the principle ───────────────── */

.arche-choir,
.arche-chorus {
  margin-top: 2.2rem;
  text-align: center;
}

.arche-choir-label {
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--arche-mist);
  margin: 0 0 0.9rem;
}

.arche-choir-label span {
  color: var(--arche-gold-dim);
}

.arche-chip {
  display: inline-block;
  margin: 0 0.28rem 0.5rem 0;
  padding: 0.32rem 0.72rem;
  font-family: var(--arche-font-display);
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  color: var(--arche-ivory);
  text-decoration: none;
  border: 1px solid rgba(237, 230, 214, 0.16);
  border-radius: 999px;
  background: rgba(12, 11, 9, 0.35);
  transition: border-color 0.25s ease, color 0.25s ease, background-color 0.25s ease;
}

.arche-chip:hover,
.arche-chip:focus-visible {
  border-color: var(--arche-gold);
  color: var(--arche-gold);
  background: rgba(212, 175, 55, 0.08);
}

.arche-body.arche-turned .arche-chip,
.arche-chip--finale {
  color: inherit;
  border-color: rgba(5, 5, 5, 0.18);
  background: rgba(237, 230, 214, 0.4);
}

.arche-body.arche-turned .arche-chip:hover,
.arche-body.arche-turned .arche-chip:focus-visible,
.arche-chip--finale:hover,
.arche-chip--finale:focus-visible {
  border-color: var(--arche-gold-dim);
  color: var(--arche-gold-dim);
}

.arche-chorus {
  max-width: 60rem;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2.5rem;
}

/* ─── Act I deity cards ──────────────────────────────────────────────── */

.arche-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1rem;
  perspective: 1200px;
}

.arche-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.1rem 1.2rem;
  background: rgba(12, 11, 9, 0.55);
  border: 1px solid var(--arche-line);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  backdrop-filter: blur(6px);
  transform-style: preserve-3d;
  transition: border-color 0.35s ease, background-color 0.35s ease, transform 0.35s ease;
}

.arche-card:hover,
.arche-card:focus-visible {
  border-color: var(--arche-gold);
  background: rgba(212, 175, 55, 0.08);
  transform: translateY(-4px);
}

.arche-card-name {
  font-family: var(--arche-font-display);
  font-size: 1.25rem;
  color: var(--arche-gold);
  letter-spacing: 0.02em;
}

.arche-card-pantheon {
  font-size: 0.68rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--arche-mist);
}

.arche-card-line {
  font-size: 0.88rem;
  line-height: 1.55;
  opacity: 0.88;
}

.arche-card-domain {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--arche-gold-dim);
  margin-top: auto;
}

/* ─── Act II tendrils ────────────────────────────────────────────────── */

.arche-tendrils {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  padding: 2rem 0;
}

.arche-tendril-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.arche-tendril-svg path {
  fill: none;
  stroke: rgba(5, 5, 5, 0.55);
  stroke-width: 1.5;
  opacity: 0.8;
}

/* Industry card body: the industry NAME leads — the pattern atlas made
 * visible after the Turn. */
.arche-tendril-body {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.arche-tendril-name {
  font-family: var(--arche-font-display);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--arche-ink);
}

.arche-tendril-tagline {
  font-size: 0.68rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--arche-gold-dim);
}

.arche-tendril {
  position: relative;
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  padding: 1rem 1.1rem;
  background: rgba(237, 230, 214, 0.6);
  border: 1px solid rgba(5, 5, 5, 0.18);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.arche-tendril:hover,
.arche-tendril:focus-visible {
  border-color: var(--arche-gold-dim);
  transform: translateY(-3px);
}

.arche-tendril-dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 0.4rem;
  border-radius: 50%;
  background: var(--arche-gold-dim);
  box-shadow: 0 0 0 4px rgba(154, 127, 36, 0.18);
}

.arche-tendril-line {
  font-size: 0.9rem;
  line-height: 1.55;
}

/* ─── Finale ─────────────────────────────────────────────────────────── */

.arche-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 2.5rem;
}

.arche-cta {
  font-family: var(--arche-font-body);
  font-size: 0.9rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--arche-ink);
  background: var(--arche-gold);
  padding: 0.95rem 1.8rem;
  border-radius: 999px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.arche-cta:hover,
.arche-cta:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(212, 175, 55, 0.28);
}

/* ─── Chrome: exit, rail, controls ───────────────────────────────────── */

.arche-exit {
  position: fixed;
  top: 1.1rem;
  left: 1.2rem;
  z-index: 10;
  opacity: 0.85;
  transition: opacity 0.3s ease;
}

/* The wordmark is ivory — after The Turn the world is ivory too. Flip it. */
.arche-body.arche-turned .arche-exit img {
  filter: invert(0.92) hue-rotate(180deg);
}

.arche-exit:hover,
.arche-exit:focus-visible {
  opacity: 1;
}

.arche-exit img {
  display: block;
  height: 22px;
  width: auto;
}

.arche-rail {
  position: fixed;
  right: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  align-items: center;
}

.arche-rail-dot {
  position: relative;
  width: 8px;
  height: 8px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid rgba(237, 230, 214, 0.35);
  background: transparent;
  cursor: pointer;
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.arche-body.arche-turned .arche-rail-dot {
  border-color: rgba(5, 5, 5, 0.35);
}

.arche-rail-dot.is-current {
  background: var(--arche-gold);
  border-color: var(--arche-gold);
  transform: scale(1.5);
}

.arche-rail-dot--turn {
  width: 11px;
  height: 11px;
  transform: rotate(45deg);
  border-radius: 2px;
}

.arche-rail-dot span {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--arche-gold);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.arche-rail-dot:hover span,
.arche-rail-dot:focus-visible span {
  opacity: 1;
}

.arche-controls {
  position: fixed;
  bottom: 1.2rem;
  right: 1.2rem;
  z-index: 10;
}

.arche-autoplay {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--arche-font-body);
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--arche-ivory);
  background: rgba(12, 11, 9, 0.6);
  border: 1px solid var(--arche-line);
  border-radius: 999px;
  padding: 0.55rem 1.05rem;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: border-color 0.3s ease;
}

.arche-autoplay:hover,
.arche-autoplay:focus-visible {
  border-color: var(--arche-gold);
}

.arche-body.arche-turned .arche-autoplay {
  color: var(--arche-ink);
  background: rgba(237, 230, 214, 0.6);
  border-color: rgba(5, 5, 5, 0.2);
}

/* ─── Live (JS-enhanced) motion states ───────────────────────────────── */

.arche-live .arche-scene {
  opacity: 0;
  transition: opacity 0.7s ease;
}

.arche-live .arche-scene.is-active {
  opacity: 1;
}

.arche-live .arche-verse-line,
.arche-live .arche-card,
.arche-live .arche-tendril,
.arche-live .arche-chip {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: calc(var(--d, 0) * 120ms);
}

.arche-live .arche-chip {
  transition-delay: 0s;
}

.arche-live .arche-scene.is-active .arche-verse-line,
.arche-live .arche-scene.is-active .arche-card,
.arche-live .arche-scene.is-active .arche-tendril,
.arche-live .arche-scene.is-active .arche-chip {
  opacity: 1;
  transform: translateY(0);
}

/* Act II: elements descend from above instead of rising. */
.arche-live .arche-scene--descent .arche-tendril,
.arche-live .arche-scene--descent .arche-verse-line {
  transform: translateY(-26px);
}

.arche-live .arche-scene--descent.is-active .arche-tendril,
.arche-live .arche-scene--descent.is-active .arche-verse-line {
  transform: translateY(0);
}

/* The Turn: the whole stage flips. */
.arche-scene--turn {
  overflow: hidden;
}

.arche-live .arche-scene--turn .arche-scene-inner {
  transition: transform 1.4s cubic-bezier(0.65, 0, 0.35, 1), opacity 1.4s ease;
}

.arche-live .arche-scene--turn.is-active .arche-scene-inner {
  animation: arche-turn-flip 2.2s cubic-bezier(0.65, 0, 0.35, 1) both;
}

@keyframes arche-turn-flip {
  0% {
    transform: perspective(1400px) rotateX(0deg) scale(1);
    opacity: 1;
  }
  45% {
    transform: perspective(1400px) rotateX(88deg) scale(0.92);
    opacity: 0.25;
  }
  55% {
    transform: perspective(1400px) rotateX(92deg) scale(0.92);
    opacity: 0.25;
  }
  100% {
    transform: perspective(1400px) rotateX(180deg) scale(1);
    opacity: 1;
  }
}

/* Reduced motion: everything static and visible. */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .arche-live .arche-scene,
  .arche-live .arche-verse-line,
  .arche-live .arche-card,
  .arche-live .arche-tendril,
  .arche-live .arche-chip {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .arche-live .arche-scene--turn.is-active .arche-scene-inner {
    animation: none !important;
  }
}

/* Act II: full-strength text — the ivory world must read as clearly as
 * the obsidian one. */
.arche-body.arche-turned .arche-thesis,
.arche-body.arche-turned .arche-verse-line {
  opacity: 1;
}

.arche-body.arche-turned .arche-choir-label {
  color: rgba(5, 5, 5, 0.65);
}

.arche-body.arche-turned .arche-outro {
  color: rgba(5, 5, 5, 0.55);
}

/* ─── Finale additions: claim widget, oracle, loop ───────────────────── */

.arche-claim,
.arche-oracle {
  max-width: 32rem;
  margin: 2rem auto 0;
}

.arche-claim-form {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
}

.arche-claim-input {
  flex: 1 1 12rem;
  font-family: var(--arche-font-body);
  font-size: 0.95rem;
  color: var(--arche-ink);
  background: rgba(237, 230, 214, 0.9);
  border: 1px solid rgba(5, 5, 5, 0.25);
  border-radius: 999px;
  padding: 0.7rem 1.1rem;
  outline: none;
}

.arche-claim-input:focus {
  border-color: var(--arche-gold-dim);
}

.arche-claim-btn {
  font-family: var(--arche-font-body);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--arche-ivory);
  background: var(--arche-ink);
  border: 1px solid var(--arche-ink);
  border-radius: 999px;
  padding: 0.7rem 1.3rem;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.arche-claim-btn:hover,
.arche-claim-btn:focus-visible {
  background: transparent;
  color: var(--arche-ink);
}

.arche-claim-result {
  margin-top: 1.4rem;
  padding: 1.3rem 1.5rem;
  border: 1px solid rgba(5, 5, 5, 0.2);
  border-radius: 12px;
  background: rgba(237, 230, 214, 0.7);
  text-align: center;
}

.arche-claim-result .arche-claim-principle {
  font-family: var(--arche-font-display);
  font-size: 1.5rem;
  color: var(--arche-gold-dim);
  margin: 0 0 0.3rem;
}

.arche-claim-result .arche-claim-deity {
  font-size: 1.05rem;
  margin: 0 0 0.8rem;
}

.arche-claim-copy {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  background: none;
  border: 1px solid rgba(5, 5, 5, 0.3);
  border-radius: 999px;
  padding: 0.45rem 1rem;
  cursor: pointer;
  color: var(--arche-ink);
}

.arche-loop {
  display: block;
  margin: 3rem auto 0;
  font-family: var(--arche-font-body);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--arche-gold-dim);
  background: none;
  border: none;
  border-bottom: 1px solid rgba(5, 5, 5, 0.25);
  padding-bottom: 0.4rem;
  cursor: pointer;
  transition: color 0.3s ease;
}

.arche-loop:hover,
.arche-loop:focus-visible {
  color: var(--arche-ink);
}

.arche-sound {
  margin-left: 0.5rem;
}

/* ─── Per-chapter pages (/arche/{id}/) ───────────────────────────────── */

.arche-chapter .arche-scene {
  min-height: 100vh;
}

.arche-chapter .arche-scene-inner {
  padding-top: 4rem;
}

.arche-chapter-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

/* ─── Mobile ─────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .arche-scene {
    padding: 14vh 5vw 12vh;
  }

  .arche-cards {
    grid-template-columns: 1fr 1fr;
    gap: 0.7rem;
  }

  .arche-card {
    padding: 0.85rem 0.9rem;
  }

  .arche-card-name {
    font-size: 1.05rem;
  }

  .arche-card-line {
    font-size: 0.8rem;
  }

  .arche-tendrils {
    grid-template-columns: 1fr;
  }

  .arche-rail {
    right: 0.55rem;
    gap: 0.34rem;
  }

  .arche-rail-dot span {
    display: none;
  }

  .arche-controls {
    bottom: 0.9rem;
    right: 0.9rem;
  }
}

@media (max-width: 420px) {
  .arche-cards {
    grid-template-columns: 1fr;
  }
}