/* ==========================================================================
   Al-Isra wal-Mi'raj — styles
   All scroll choreography is a pure function of --s (per level, set in JS):
     --s = 0  just arrived from below      --s = 1  about to leave upward
   ========================================================================== */

:root {
  /* driven by app.js */
  --sky-top: #060a1c;
  --sky-bot: #1d1526;
  --glow: 0;
  --hell: 0;
  --P: 0;
  --nav-accent: #e3b867;

  /* palette */
  --ink: #f4ecd8;
  /* secondary text: tuned for WCAG AA (4.5:1) on every sky of the journey */
  --muted: rgba(244, 236, 216, 0.84);
  --faint: rgba(244, 236, 216, 0.7);
  --hair: rgba(244, 236, 216, 0.14);
  --gold: #e3b867;

  /* type */
  --serif-fallback: 'Cormorant Garamond', 'Iowan Old Style', Georgia, serif;
  --sans-fallback: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --serif: var(--serif-fallback);
  --arabic: 'Amiri', 'Geeza Pro', 'Traditional Arabic', serif;
  --sans: var(--sans-fallback);

  /* layout */
  --nav-space: clamp(150px, 16vw, 260px);
  --gutter: clamp(24px, 6vw, 110px);
  color-scheme: dark;
}

* { box-sizing: border-box; }

html {
  scrollbar-width: none; /* the altimeter replaces the scrollbar */
  -webkit-text-size-adjust: 100%;
}
html::-webkit-scrollbar { display: none; }

body {
  margin: 0;
  background: #05070f;
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

button { font: inherit; color: inherit; }

/* --------------------------------------------------------------------------
   Fixed atmosphere
   -------------------------------------------------------------------------- */

.sky {
  position: fixed;
  inset: 0;
  z-index: -3;
  background: linear-gradient(to bottom, var(--sky-top), var(--sky-bot));
}

.stars {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
}

.glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(120% 75% at 50% -12%, rgba(255, 248, 226, 0.95), rgba(255, 232, 180, 0.28) 42%, transparent 72%);
  opacity: var(--glow);
}

/* the Fire's light from below, beneath the Earth */
.hellglow {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(130% 70% at 50% 118%, rgba(255, 96, 30, 0.6), rgba(150, 24, 4, 0.28) 45%, transparent 75%);
  opacity: var(--hell);
}

/* --------------------------------------------------------------------------
   Level scaffold
   -------------------------------------------------------------------------- */

.level {
  --s: -1;
  --open: clamp(0, (var(--s) + 0.05) * 3.2, 1);
  position: relative;
  height: calc(var(--h) * 1vh);
}

.level__pin {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  overflow: clip; /* never scrolled by focus or scrollIntoView */
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(24px, 5vw, 88px);
  /* the top always clears the fixed brand and controls */
  padding: max(clamp(28px, 7vh, 80px), 76px) var(--nav-space) clamp(28px, 7vh, 80px) var(--gutter);
}

.level__scene {
  position: relative;
  display: grid;
  place-items: center;
  height: 100%;
  min-height: 0;
}

.level__content {
  position: relative;
  z-index: 1;
  /* set by app.js on desktop when a translation runs long: same layout, smaller text */
  zoom: var(--fit, 1);
  max-width: 560px;
  /* gently fade as the level drops away beneath you */
  opacity: clamp(0, (1.2 - var(--s)) * 4, 1);
}

/* Paused when far away — keeps the compositor quiet */
.level:not(.is-near) * { animation-play-state: paused !important; }

/* Reveal primitive: every .r has its own --d threshold */
.r {
  --k: clamp(0, (var(--s) - var(--d)) * 7, 1);
  opacity: var(--k);
  transform: translate3d(0, calc((1 - var(--k)) * -22px), 0);
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */

.kicker {
  margin: 0 0 14px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
}

.level__ar {
  margin: 0;
  font-family: var(--arabic);
  font-weight: 700;
  font-size: clamp(40px, 5.6vw, 84px);
  /* Amiri's marks reach ~1.8em; its gradient is clipped to this box, so the box
     must be that tall — negative margins keep the layout as tight as before */
  line-height: 1.9;
  margin-block: -0.3em;
  background: linear-gradient(180deg, #fffaf0 10%, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-align: left;
}

.level__title {
  margin: 4px 0 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(26px, 2.8vw, 42px);
  line-height: 1.1;
  letter-spacing: 0.01em;
}

.level__place {
  margin: 8px 0 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--faint);
}

.gate-note {
  margin: 18px 0 0;
  font-size: 13px;
  color: var(--faint);
}

/* gate dialogue (first heaven) */
.dialogue {
  list-style: none;
  margin: 20px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--hair);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 18px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--muted);
}
.dialogue li:last-child { grid-column: 1 / -1; color: var(--ink); }
.dialogue li {
  display: grid;
  grid-template-columns: 1fr;
  opacity: clamp(0, (var(--s) - var(--d) - var(--j) * 0.025) * 9, 1);
}
.dialogue span {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
}
.dialogue .is-jibril span { color: var(--accent); }

/* meeting */
.meeting {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--hair);
}
.meeting__label {
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--faint);
}
.meeting__ar {
  margin: 6px 0 0;
  font-family: var(--arabic);
  font-size: clamp(26px, 2.4vw, 34px);
  line-height: 1.5;
  color: var(--accent);
  text-align: left;
}
.meeting__en {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 500;
}
.meeting__en span {
  font-size: 0.62em;
  font-style: italic;
  font-weight: 400;
  color: var(--faint);
}

.greet {
  margin: 14px 0 0;
  padding: 2px 0 2px 16px;
  border-inline-start: 1px solid var(--accent);
}
.greet__ar {
  margin: 0;
  font-family: var(--arabic);
  font-size: 21px;
  line-height: 1.7;
  text-align: left;
}
.greet__en {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 19px;
  color: var(--muted);
}

/* narration points */
.points {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.point p {
  margin: 0 0 4px;
  font-size: clamp(13.5px, 1.02vw, 15.5px);
  line-height: 1.62;
  color: var(--muted);
}
cite {
  display: block;
  font-style: normal;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.85;
}
.refs {
  margin: 12px 0 0;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
}

/* ayah */
.ayah {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--hair);
}
.ayah__ar {
  margin: 0;
  font-family: var(--arabic);
  font-size: clamp(21px, 1.9vw, 28px);
  line-height: 1.9;
  color: var(--ink);
  text-align: left;
}
.ayah figcaption { margin-top: 4px; }
.ayah__en {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.45;
  color: var(--muted);
  margin-bottom: 6px;
}

.note {
  margin: 20px 0 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 21px;
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   Gate (heavens 1–7)
   -------------------------------------------------------------------------- */

.gate {
  height: min(80svh, 100%);
  width: auto;
  max-width: 100%;
  overflow: visible;
}
.gate__halo { opacity: calc(0.25 + var(--open) * 0.75); }
.gate__light { opacity: calc(0.15 + var(--open) * 0.85); }
.door { transform-box: fill-box; }
.door--l { transform: translateX(calc(var(--open) * -100%)); }
.door--r { transform: translateX(calc(var(--open) * 100%)); }
.rosette__spin {
  transform-box: fill-box;
  transform-origin: center;
  transform: rotate(calc(var(--s) * 120deg));
}
.rosette__spin--rev { transform: rotate(calc(var(--s) * -90deg)); }
.rosette__num {
  font-family: var(--arabic);
  font-size: 22px;
  font-weight: 700;
  fill: var(--accent);
}

.gate__motes circle {
  opacity: 0;
  animation: mote 6s ease-in-out infinite;
  animation-delay: calc(var(--k) * -0.43s);
}
@keyframes mote {
  0% { transform: translateY(30px); opacity: 0; }
  50% { opacity: 0.9; }
  100% { transform: translateY(-70px); opacity: 0; }
}

.bayt { opacity: calc(var(--open)); }
.bayt__orbit {
  transform-box: fill-box;
  transform-origin: center;
  animation: spin 14s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* --------------------------------------------------------------------------
   Full-bleed scenes (Earth, Paradise, Pens, Throne)
   -------------------------------------------------------------------------- */

.level--full .level__pin {
  /* symmetric gutters so text centres on the scene (rings, star, Kaaba) */
  padding-left: var(--nav-space);
  padding-right: var(--nav-space);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  justify-items: center;
  text-align: center;
}
.level--full .level__scene {
  position: absolute;
  inset: 0;
  height: auto;
}
.level--full .level__content {
  max-width: 680px;
  margin-top: 1vh;
}
.level--full .level__ar,
.level--full .meeting__ar,
.level--full .ayah__ar { text-align: center; }
.level--full .level__content::before {
  content: '';
  position: absolute;
  inset: -60px -90px;
  z-index: -1;
  background: radial-gradient(closest-side, rgba(4, 6, 16, 0.55), transparent);
  pointer-events: none;
}

.scene-svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* two-column text on long levels */
@media (min-width: 900px) {
  .level--wide .level__content {
    max-width: 1080px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: clamp(32px, 5vw, 80px);
    align-items: start;
    text-align: left;
  }
  .level--wide .level__content > * { grid-column: 1; }
  .level--wide .level__content > .points {
    grid-column: 2;
    grid-row: 1 / span 12;
    align-self: center;
    margin-top: 0;
  }
  .level--wide .level__ar,
  .level--wide .ayah__ar { text-align: left; }
}

/* Makkah */
.isra-arc {
  stroke-dasharray: 1;
  stroke-dashoffset: calc(1 - clamp(0, (var(--s) - 0.5) * 2.4, 1));
}
.isra-arc--in { stroke-dashoffset: calc(1 - clamp(0, (var(--s) + 0.35) * 2.6, 1)); }
.kaaba { filter: drop-shadow(0 0 18px rgba(227, 184, 103, 0.18)); }

/* Al-Aqsa */
.miraj-beam {
  transform-box: fill-box;
  transform-origin: 50% 100%;
  transform: scaleY(clamp(0, (var(--s) - 0.55) * 2.6, 1));
  opacity: clamp(0, (var(--s) - 0.55) * 3, 1);
}

/* Paradise — entering through a golden arch into a garden of light */
.level--jannah { --g: clamp(0, (var(--s) + 0.15) * 2.2, 1); }
.level--jannah .level__content::before { display: none; }
.jn-frame {
  --enter: clamp(0, (var(--s) - 0.02) * 3.2, 1);
  transform-box: view-box;
  transform-origin: 600px 470px;
  transform: scale(calc(1 + var(--enter) * 1.5));
  opacity: calc(1 - clamp(0, (var(--s) - 0.26) * 5, 1));
}
.level--flow .jn-frame { --enter: clamp(0, (var(--s) - 0.35) * 2.5, 1); opacity: 1; }
/* the painting: a slow camera push-in as you walk in */
.jn-stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
  transform: scale(calc(1.08 - var(--s) * 0.08));
  transform-origin: 50% 62%;
  will-change: transform;
}
.jn-base,
.jn-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.jn-base { object-fit: cover; object-position: 50% 100%; }
.jn-bloom { animation: breathe 7s ease-in-out infinite; }
.jn-room {
  animation: twinkle 3.8s ease-in-out infinite;
  animation-delay: calc(var(--k) * -0.31s);
}
@keyframes twinkle { 0%, 100% { opacity: 0.3; } 50% { opacity: 1; } }
.jn-shimmer path { opacity: 0.75; animation: flow-down 3.2s linear infinite; }
.jn-shimmer path:nth-child(2n) { animation-duration: 3.8s; }
@keyframes flow-down { to { stroke-dashoffset: -70; } }
.jn-motes circle {
  opacity: 0;
  animation: mote-rise 11s ease-in-out infinite;
  animation-delay: calc(var(--k) * -0.53s);
}
@keyframes mote-rise {
  0% { transform: translate(0, 0); opacity: 0; }
  25% { opacity: 0.9; }
  60% { transform: translate(14px, -120px); }
  100% { transform: translate(-6px, -220px); opacity: 0; }
}

/* three acts while pinned: the promise → what he saw → the rivers */
.level--phased .level__content {
  display: grid;
  max-width: 760px;
  width: 100%;
}
.level--phased .phase {
  grid-area: 1 / 1;
  align-self: start;
  opacity: calc(clamp(0, (var(--s) - var(--a)) * 9, 1) * clamp(0, (var(--b) - var(--s)) * 9, 1));
}
.hero-quote {
  margin: 20px auto 0;
  max-width: 620px;
}
.hero-quote p {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(22px, 2.6vw, 36px);
  line-height: 1.32;
  color: #fff8e8;
  text-shadow: 0 2px 24px rgba(26, 18, 56, 0.6);
}
.level--jannah .level__ar {
  background: linear-gradient(180deg, #ffffff 0%, #ffe3a0 55%, #d9a441);
  -webkit-background-clip: text;
  background-clip: text;
  filter: drop-shadow(0 4px 22px rgba(255, 214, 140, 0.35));
}
.lux-card,
.level--jannah .phase--1,
.level--jannah .phase--2 .points,
.level--jannah .phase--3 {
  padding: clamp(18px, 2.4vw, 28px) clamp(18px, 2.8vw, 32px);
  border: 1px solid rgba(255, 227, 160, 0.38);
  border-radius: 22px;
  background: linear-gradient(160deg, rgba(34, 22, 66, 0.82), rgba(20, 12, 40, 0.72));
  box-shadow: 0 24px 70px rgba(10, 6, 24, 0.35), inset 0 1px 0 rgba(255, 240, 200, 0.18);
  text-align: left;
}
.level--jannah .phase--1 { text-align: center; max-width: 720px; justify-self: center; }
.level--jannah .phase--2 .points { margin-top: 0; }
.level--jannah .phase--3 .ayah:first-of-type { margin-top: 18px; }
.level--jannah .phase--3 .ayah__ar,
.level--jannah .phase--3 .ayah { text-align: left; }

.rivers-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.rv { display: grid; justify-items: start; gap: 2px; }
.rv i {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  margin-bottom: 6px;
  box-shadow: 0 0 14px currentColor;
}
.rv span { font-family: var(--serif); font-size: 19px; color: #fff8e8; }
.rv small { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); }
.rv--water { color: #8fd7f5; } .rv--water i { background: linear-gradient(90deg, #ffffff, #7fcff2); }
.rv--milk { color: #fffaf0; }  .rv--milk i { background: linear-gradient(90deg, #ffffff, #efe7d8); }
.rv--wine { color: #e0607f; }  .rv--wine i { background: linear-gradient(90deg, #ffd6e0, #b8325a); }
.rv--honey { color: #f0b545; } .rv--honey i { background: linear-gradient(90deg, #fff0c4, #e0a12e); }

/* Pens */
.pen-strokes path {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  opacity: 0;
  animation: write 7s ease-in-out infinite;
  animation-delay: calc(var(--k) * -0.41s);
}
@keyframes write {
  0% { stroke-dashoffset: 1; opacity: 0; }
  12% { opacity: 0.85; }
  55% { stroke-dashoffset: 0; opacity: 0.85; }
  85%, 100% { stroke-dashoffset: 0; opacity: 0; }
}

/* Throne — beyond depiction: only light */
.level--arsh {
  --ink: #2b1f08;
  --muted: rgba(43, 31, 8, 0.88);
  --faint: rgba(43, 31, 8, 0.76);
  --hair: rgba(43, 31, 8, 0.16);
  color: var(--ink);
}
.level--arsh .level__pin { align-items: center; }
.level--arsh .level__content::before {
  background: radial-gradient(closest-side, rgba(255, 252, 244, 0.7), transparent);
}
.level--arsh .level__ar {
  font-size: clamp(44px, 7vw, 110px);
  background: linear-gradient(180deg, #8a6418, #4a3208);
  -webkit-background-clip: text;
  background-clip: text;
}
.rays {
  position: absolute;
  inset: -50%;
  background: repeating-conic-gradient(from 0deg at 50% 50%, rgba(184, 138, 44, 0.11) 0deg 2.5deg, transparent 2.5deg 11.25deg);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 0, transparent 42%);
  mask-image: radial-gradient(circle at 50% 50%, #000 0, transparent 42%);
  animation: spin 160s linear infinite;
}
.arsh-rings, .arsh-star {
  transform-box: fill-box;
  transform-origin: center;
}
.arsh-rings { animation: spin 240s linear infinite reverse; }
.arsh-star { opacity: 0.5; transform: rotate(calc(var(--s) * 45deg)); }

/* --------------------------------------------------------------------------
   Sidrat al-Muntaha
   -------------------------------------------------------------------------- */

.level--sidrah {
  --g: clamp(0, (var(--s) + 0.25) * 2.4, 1);
}
.tree {
  position: relative;
  height: min(88svh, 100%);
  width: auto;
  max-width: 100%;
}
.tree__body {
  transform-box: fill-box;
  transform-origin: 50% 100%;
  transform: scale(calc(0.55 + 0.45 * var(--g)));
  opacity: calc(0.15 + 0.85 * var(--g));
}
.tree__leaves { opacity: clamp(0, (var(--s) - 0.02) * 3, 1); }
.tree__fruits { opacity: clamp(0, (var(--s) - 0.12) * 3, 1); }
.rivers, .river-labels { opacity: clamp(0, (var(--s) - 0.25) * 3, 1); }
.river {
  stroke-dasharray: 6 16;
  animation: flow 2.4s linear infinite;
}
.river--hidden { stroke-dasharray: 3 12; animation-duration: 3.2s; }
@keyframes flow { to { stroke-dashoffset: -44; } }
.river-labels text {
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: 0.06em;
  fill: rgba(255, 240, 210, 0.75);
}
.river-labels .hidden-label { font-style: italic; font-size: 13px; fill: rgba(255, 240, 210, 0.5); }

/* "covered by colours" — soft shifting aura (compositor-only) */
.aura {
  position: absolute;
  inset: 4% 0 30%;
  pointer-events: none;
  opacity: clamp(0, (var(--s) - 0.15) * 2.5, 1);
}
.aura span {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  animation: aura 9s ease-in-out infinite;
}
.aura span:nth-child(1) { background: radial-gradient(closest-side, rgba(255, 214, 120, 0.55), transparent); }
.aura span:nth-child(2) { background: radial-gradient(closest-side, rgba(150, 230, 210, 0.45), transparent); animation-delay: -3s; }
.aura span:nth-child(3) { background: radial-gradient(closest-side, rgba(240, 160, 220, 0.45), transparent); animation-delay: -6s; }
@keyframes aura {
  0%, 100% { opacity: 0; transform: scale(0.9); }
  33% { opacity: 1; transform: scale(1.05); }
  66% { opacity: 0; transform: scale(1); }
}

/* --------------------------------------------------------------------------
   Beneath the Earth — the warning of the Fire
   -------------------------------------------------------------------------- */

.level--hell {
  --ink: #f6e4d8;
  --muted: rgba(246, 228, 216, 0.86);
  --faint: rgba(246, 228, 216, 0.72);
  --hair: rgba(255, 140, 90, 0.18);
}
.level--hell .level__ar {
  background: linear-gradient(180deg, #ffe2c4 5%, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
}
.level--hell.level--full .level__content::before {
  background: radial-gradient(closest-side, rgba(10, 2, 1, 0.65), transparent);
}

/* sealed gate: the doors barely part — fire glimpsed through the seam */
.level--sealed .door--l { transform: translateX(calc(var(--open) * -9%)); }
.level--sealed .door--r { transform: translateX(calc(var(--open) * 9%)); }
.level--sealed .gate__light { opacity: calc(0.2 + var(--open) * 0.5); }
.gate__fire {
  transform-box: fill-box;
  transform-origin: 50% 100%;
  animation: flicker 1.8s ease-in-out infinite alternate;
}

/* flames */
.level--flames { --g: clamp(0, (var(--s) + 0.3) * 2.2, 1); }
.flames {
  transform-box: fill-box;
  transform-origin: 50% 100%;
  transform: translateY(calc((1 - var(--g)) * 30%));
}
.flame-row {
  transform-box: fill-box;
  transform-origin: 50% 100%;
  animation: flicker 2.6s ease-in-out infinite alternate;
}
.flame-row--dark path { fill: url(#fl-dark); }
.flame-row--dark { animation-duration: 3.4s; animation-delay: -1.1s; }
.flame-row--a path { fill: url(#fl-a); }
.flame-row--b path { fill: url(#fl-b); }
.flame-row--c path { fill: url(#fl-c); }
.flame-row--b { animation-duration: 1.9s; animation-delay: -0.7s; }
.flame-row--c { animation-duration: 1.3s; animation-delay: -0.3s; }
@keyframes flicker {
  0% { transform: scaleY(0.9) skewX(-1.5deg); }
  50% { transform: scaleY(1.06) skewX(1deg); }
  100% { transform: scaleY(0.95) skewX(-0.5deg); }
}

/* depth */
.level--abyss {
  --dive: clamp(0, (var(--s) - 0.05) * 1.1, 1);
}
.abyss-rings,
.abyss-core {
  transform-box: view-box;
  transform-origin: 600px 560px;
}
/* zoom in and in — the rings rush past and dissolve */
.abyss-rings {
  transform: scale(calc(1 + var(--dive) * var(--dive) * 5));
  opacity: calc(1 - clamp(0, (var(--s) - 0.55) * 2.6, 1));
}
.abyss-core {
  transform: scale(calc(1 + var(--dive) * 2.4));
  opacity: calc(1 - clamp(0, (var(--s) - 0.7) * 3, 1));
}
/* the words of this level leave before the dissolve, so the next level is met clean */
.level--abyss:not(.level--flow) .level__content { opacity: clamp(0, (0.6 - var(--s)) * 6, 1); }
.level--abyss:not(.level--flow) .falling-stone { opacity: clamp(0, (0.5 - var(--s)) * 4, 1); }
.falling-stone {
  transform-box: fill-box;
  transform-origin: center;
  animation: fall 5.5s cubic-bezier(0.5, 0, 0.9, 0.6) infinite;
}
@keyframes fall {
  0% { transform: translateY(-200px) scale(1.4); opacity: 0; }
  10% { opacity: 1; }
  85% { opacity: 0.8; }
  100% { transform: translateY(300px) scale(0.1); opacity: 0; }
}

/* scorched ground */
.cracks path {
  opacity: 0.25;
  animation: smoulder 3.4s ease-in-out infinite;
  animation-delay: calc(var(--k) * -0.31s);
}
@keyframes smoulder { 50% { opacity: 0.9; } }

/* Zaqqum */
.level--zaqqum { --g: clamp(0, (var(--s) + 0.25) * 2.4, 1); }
.level--zaqqum .level__scene { position: relative; }
.tree__thorns { opacity: clamp(0, (var(--s) - 0.05) * 3, 1); }
.zq-fruit { animation: smoulder 2.8s ease-in-out infinite; }
.bubbles circle {
  transform-box: fill-box;
  transform-origin: center;
  opacity: 0;
  animation: bubble 2.6s ease-out infinite;
  animation-delay: calc(var(--k) * -0.37s);
}
@keyframes bubble {
  0% { transform: translateY(0) scale(0.4); opacity: 0; }
  30% { opacity: 0.9; }
  100% { transform: translateY(-40px) scale(1.3); opacity: 0; }
}

/* the lowest depth — and a beam of mercy from above */
.mercy-beam {
  opacity: clamp(0, (var(--s) - 0.2) * 2, 0.9);
  animation: breathe 6s ease-in-out infinite;
}
@keyframes breathe { 50% { opacity: 0.55; } }
.return-btn.ascend-btn {
  border-color: #fff1d0;
  background: #fff1d0;
  color: #2a0c05;
  box-shadow: 0 0 0 6px rgba(255, 241, 208, 0.12), 0 10px 30px rgba(0, 0, 0, 0.45);
}
.return-btn.ascend-btn:hover { background: #ffffff; }

/* --------------------------------------------------------------------------
   Widgets
   -------------------------------------------------------------------------- */

/* Milk & wine */
.choice {
  display: flex;
  gap: 14px;
  margin-top: 22px;
}
.level--full:not(.level--wide) .choice { justify-content: center; }
.vessel {
  width: 116px;
  padding: 12px 10px 10px;
  border: 1px solid var(--hair);
  border-radius: 14px;
  text-align: center;
  color: var(--faint);
  transition: none;
}
.vessel svg { width: 44px; height: 52px; display: block; margin: 0 auto 6px; }
.vessel span { display: block; font-family: var(--serif); font-size: 19px; color: var(--ink); }
.vessel small { font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; }
.vessel--wine { opacity: calc(1 - var(--k) * 0.5); }
.vessel--milk {
  border-color: color-mix(in srgb, var(--accent) calc(var(--k) * 70%), transparent);
  box-shadow: 0 0 calc(var(--k) * 36px) rgba(255, 240, 200, calc(var(--k) * 0.35));
  color: var(--accent);
}

/* 50 → 5 */
.counter {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 22px;
}
.counter__num {
  min-width: 2ch;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(64px, 7vw, 104px);
  line-height: 1;
  font-variant-numeric: tabular-nums lining-nums;
  color: var(--accent);
}
.counter__meta { display: grid; gap: 6px; }
.counter__label {
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}
.counter__pips { display: flex; gap: 5px; }
.counter__pips i {
  width: 16px;
  height: 3px;
  border-radius: 2px;
  background: var(--hair);
  transition: background 0.4s ease;
}
.counter__pips i.on { background: var(--accent); }
.counter__sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  color: var(--faint);
}

.return-wrap { margin-top: 26px; }
.return-btn {
  padding: 12px 22px;
  border: 1px solid currentColor;
  border-radius: 999px;
  background: transparent;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease;
}
.return-btn {
  border-color: #6e4d12;
  background: #6e4d12;
  color: #fffaf0;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(110, 77, 18, 0.25);
}
.return-btn:hover { background: #8a6418; border-color: #8a6418; }

/* --------------------------------------------------------------------------
   The Earth — the opening screen, pinned like every other level
   -------------------------------------------------------------------------- */

.intro {
  --u: 0;
  --ua: 0;
  position: relative;
  height: 200vh;
}
.intro__pin {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  overflow: clip; /* never scrolled by focus or scrollIntoView */
  display: grid;
  grid-template-rows: auto 1fr auto;
  justify-items: center;
  align-items: center;
  padding: clamp(60px, 10vh, 96px) var(--nav-space) clamp(22px, 5vh, 48px);
  text-align: center;
}
.intro__horizon {
  position: absolute;
  left: -20%;
  right: -20%;
  bottom: -40vh;
  height: 70vh;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(227, 184, 103, 0.35), rgba(227, 184, 103, 0.06) 60%, transparent);
  transform: translateY(calc(var(--u) * 18vh));
}
.intro__content {
  position: relative;
  max-width: 760px;
  opacity: calc(1 - clamp(0, (var(--ua) - 0.15) * 1.5, 1));
  transform: translate3d(0, calc(var(--u) * -70px), 0) scale(calc(1 - var(--ua) * 0.05));
}
.intro__content > * { animation: intro-in 1.6s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
.intro__content > :nth-child(2) { animation-delay: 0.15s; }
.intro__content > :nth-child(3) { animation-delay: 0.3s; }
@keyframes intro-in { from { opacity: 0; transform: translateY(16px); } }
.intro__bismillah {
  margin: 0 0 24px;
  font-family: var(--arabic);
  font-size: clamp(22px, 2.4vw, 30px);
  color: var(--gold);
}
.intro__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(38px, 6vw, 88px);
  line-height: 1.05;
  letter-spacing: 0.01em;
}
.intro__title span {
  display: block;
  margin-bottom: 6px;
  font-family: var(--arabic);
  font-weight: 700;
  font-size: 0.78em;
  line-height: 1.9;
  margin-block: -0.2em 0;
  background: linear-gradient(180deg, #fffaf0, var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.intro__sub {
  max-width: 540px;
  margin: 20px auto 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(17px, 1.6vw, 22px);
  line-height: 1.45;
  color: var(--muted);
}
.intro__go {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border: 0;
  background: none;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.3s ease;
}
.intro__go--up { color: var(--gold); opacity: calc(1 - clamp(0, var(--u) * -2, 1)); }
.intro__go--down { color: #ffb08a; opacity: calc(1 - clamp(0, var(--u) * 2, 1)); }
.intro__go--up:hover { color: #fff6dc; }
.intro__go--down:hover { color: #ffd0b8; }
.intro__chev {
  width: 14px;
  height: 14px;
  border-top: 1.5px solid currentColor;
  border-left: 1.5px solid currentColor;
  transform: rotate(45deg);
  animation: rise 2.2s ease-in-out infinite;
}
.intro__chev--down { animation-name: sink; }
@keyframes rise {
  0% { transform: translateY(10px) rotate(45deg); opacity: 0; }
  40% { opacity: 1; }
  100% { transform: translateY(-12px) rotate(45deg); opacity: 0; }
}
@keyframes sink {
  0% { transform: translateY(-10px) rotate(225deg); opacity: 0; }
  40% { opacity: 1; }
  100% { transform: translateY(12px) rotate(225deg); opacity: 0; }
}

/* the home screen's own sound switch (browsers need a tap before audio) */
.intro__sound {
  margin-top: 22px;
  padding: 10px 20px;
  border: 1px solid rgba(227, 184, 103, 0.55);
  border-radius: 999px;
  background: rgba(227, 184, 103, 0.08);
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease;
}
.intro__sound:hover { background: rgba(227, 184, 103, 0.2); color: #fff6dc; }
.intro__sound .sound-on { display: none; }
.intro__sound[aria-pressed="true"] .sound-on { display: inline; }
.intro__sound[aria-pressed="true"] .sound-off { display: none; }
.intro__sound[aria-pressed="true"] { background: rgba(227, 184, 103, 0.18); }
@media (max-height: 760px) { .intro__sound { margin-top: 12px; padding: 8px 16px; } }
@media (max-height: 520px) { .intro__sound { margin-top: 6px; padding: 5px 14px; font-size: 10px; } }

/* --------------------------------------------------------------------------
   Passages — one line of narration between levels
   -------------------------------------------------------------------------- */

.passage {
  --v: 0;
  position: relative;
  min-height: 72vh;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 12px;
  padding: 0 var(--nav-space);
  text-align: center;
}
.passage__thread {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(255, 240, 200, 0.4) 25%, transparent 42%, transparent 58%, rgba(255, 240, 200, 0.4) 75%, transparent);
  opacity: calc(0.35 + var(--v) * 0.65);
}
.passage--down .passage__thread {
  background: linear-gradient(180deg, transparent, rgba(255, 120, 60, 0.45) 25%, transparent 42%, transparent 58%, rgba(255, 120, 60, 0.45) 75%, transparent);
}
.passage__text {
  max-width: 640px;
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(24px, 3.2vw, 42px);
  line-height: 1.3;
  opacity: var(--v);
  transform: translate3d(0, calc((1 - var(--v)) * 18px), 0) scale(calc(0.97 + var(--v) * 0.03));
}
.passage--down .passage__text { color: #ffd9c4; }
.passage__ref {
  opacity: calc(var(--v) * 0.8);
  color: var(--gold);
}
.passage--down .passage__ref { color: #ff9a6a; }

/* --------------------------------------------------------------------------
   Altimeter — every marker on one right-hand line
   -------------------------------------------------------------------------- */

.altimeter {
  position: fixed;
  z-index: 10;
  right: clamp(14px, 2vw, 32px);
  top: 50%;
  height: min(76vh, 680px);
  transform: translateY(-50%);
  color: var(--ink);
  transition: color 0.6s ease;
}
.altimeter__track {
  position: absolute;
  right: 3.5px;
  top: 4px;
  bottom: 4px;
  width: 1px;
  background: var(--hair);
}
.altimeter__fill {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 1px;
  height: calc(var(--P) * 100%);
  background: var(--nav-accent);
  box-shadow: 0 0 8px var(--nav-accent);
}
.altimeter__list {
  position: relative;
  height: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-between;
}
.altimeter__list li {
  display: flex;
  justify-content: flex-end;
  line-height: 1;
}
.altimeter button {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  margin: 0;
  padding: 3px 0 3px 12px;
  border: 0;
  background: none;
  cursor: pointer;
}
.altimeter button i {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid currentColor;
  background: transparent;
  opacity: 0.5;
  transition: transform 0.4s ease, background 0.4s ease, opacity 0.4s ease;
}
.altimeter__label {
  padding: 3px 9px;
  line-height: 1.55; /* the pill must hold tall scripts (Bangla, Nastaliq) too */
  border-radius: 999px;
  background: rgba(5, 7, 15, 0.68);
  color: #f4ecd8;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
  text-align: right;
  opacity: 0;
  transform: translateX(6px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.altimeter button:hover .altimeter__label,
.altimeter button:focus-visible .altimeter__label,
.altimeter button[aria-current] .altimeter__label { opacity: 0.9; transform: none; }
.altimeter button[aria-current] i {
  opacity: 1;
  background: var(--nav-accent);
  border-color: var(--nav-accent);
  transform: scale(1.35);
  box-shadow: 0 0 10px var(--nav-accent);
}
.altimeter button:focus-visible { outline: none; }
.altimeter button:focus-visible i { outline: 1px solid var(--nav-accent); outline-offset: 3px; }
.altimeter .is-hell button { color: #ff9a6a; }
.is-light .altimeter__label { background: rgba(255, 250, 240, 0.85); color: #3d2a07; }
/* the Earth: a diamond on the same line */
.altimeter .is-earth button i { border-radius: 1px; transform: rotate(45deg); opacity: 0.9; }
.altimeter .is-earth button[aria-current] i { transform: rotate(45deg) scale(1.35); }

/* --------------------------------------------------------------------------
   Top controls
   -------------------------------------------------------------------------- */

.controls {
  position: fixed;
  z-index: 11;
  top: clamp(12px, 2.4vh, 26px);
  right: clamp(12px, 2vw, 32px);
  display: flex;
  gap: 8px;
  color: var(--ink);
  transition: color 0.6s ease;
}
.controls button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 14px;
  border: 1px solid rgba(244, 236, 216, 0.22);
  border-radius: 999px;
  background: rgba(5, 7, 15, 0.55);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.8;
  cursor: pointer;
  transition: opacity 0.3s ease, background 0.3s ease;
}
.controls button:hover { opacity: 1; }
.sound-btn svg { width: 16px; height: 16px; flex: none; }
.sound-btn .sound-on { display: none; }
.sound-btn[aria-pressed="true"] .sound-on { display: inline; }
.sound-btn[aria-pressed="true"] .sound-off { display: none; }
.sound-btn[aria-pressed="true"] { background: rgba(227, 184, 103, 0.2); opacity: 1; }
.is-light .altimeter, .is-light .controls { color: #5a4210; }
.is-light .controls button { background: rgba(255, 250, 240, 0.82); border-color: rgba(61, 42, 7, 0.22); }

.sources {
  width: min(620px, calc(100vw - 32px));
  max-height: min(84vh, 760px);
  padding: 0;
  border: 1px solid var(--hair);
  border-radius: 18px;
  background: #0b0e1d;
  color: var(--ink);
}
.sources::backdrop { background: rgba(3, 4, 10, 0.7); }
.sources__inner { padding: clamp(22px, 4vw, 40px); }
.sources h2 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 34px;
}
.sources__lede, .sources__note {
  margin: 0 0 22px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}
.sources__list { margin: 0 0 22px; display: grid; gap: 14px; }
.sources__list dt {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}
.sources__list dd { margin: 3px 0 0; font-size: 14px; line-height: 1.5; color: var(--muted); }
.sources__note { font-style: italic; font-family: var(--serif); font-size: 16px; }
.sources__close {
  padding: 10px 20px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  background: none;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   Stacked layout ("flow")
   Phones, tablets in portrait, short landscape screens — and any level whose
   text would not fit a pinned screen. Picture and words come one after the
   other, full width, with no overlap, and reveal as they enter the view.
   -------------------------------------------------------------------------- */

.level--flow { height: auto; }
.level--flow .level__pin {
  position: relative;
  height: auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: clamp(28px, 6vw, 48px);
  padding: clamp(64px, 12vw, 104px) var(--nav-space) clamp(48px, 9vw, 88px) var(--gutter);
  overflow: clip;
  text-align: left;
}
.level--flow .level__content {
  zoom: 1;
  order: 1;
  position: relative;
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  opacity: 1;
}
.level--flow .level__scene {
  order: 2;
  position: relative;
  inset: auto;
  width: 100%;
  height: auto;
  opacity: 1;
  display: block;
}
/* Beneath the Earth you arrive from above, so the picture comes first */
.level--flow.level--hell .level__scene { order: 0; }
.level--flow .gate {
  display: block;
  width: min(74%, 340px);
  height: auto;
  margin: 0 auto;
}
.level--flow .tree {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  margin: 0 auto;
}
.level--flow .aura { inset: 0 0 25%; }
.level--flow .river-labels { display: none; }

/* pictures run edge to edge, uncropped where it matters */
.level--flow.level--picture .level__scene {
  width: auto;
  margin-left: calc(-1 * var(--gutter));
  margin-right: calc(-1 * var(--nav-space));
  aspect-ratio: 4 / 3;
  max-height: 72svh;
  overflow: hidden;
}
.level--flow.level--jannah .level__scene { aspect-ratio: 1 / 1; max-height: 92svh; }
.level--flow.level--picture .scene-svg { position: absolute; inset: 0; }

/* atmosphere stays behind the words */
.level--flow.level--ambient .level__scene {
  position: absolute;
  inset: 0;
  margin: 0;
}
.level--flow:not(.level--ambient) .level__content::before { display: none; }
.level--flow .pen-strokes { opacity: 0.45; }

/* text alignment for reading */
.level--flow .level__ar,
.level--flow .meeting__ar,
.level--flow .ayah__ar { text-align: left; }
.level--flow .choice { justify-content: flex-start; }
.level--flow.level--wide .level__content { display: block; }
.level--flow.level--wide .level__content > .points { margin-top: 20px; }

/* reveal on entering the view */
.level--flow .r {
  --k: 0;
  transform: translate3d(0, calc((1 - var(--k)) * 24px), 0);
  transition: opacity 0.9s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.level--flow .r.is-in { --k: 1; }
.level--flow .dialogue li { opacity: 1; }

/* Paradise, stacked: the three acts follow one another */
.level--flow.level--phased .level__content { display: block; max-width: 680px; }
.level--flow .phase { opacity: 1; }
.level--flow .phase + .phase { margin-top: 22px; }
.level--flow.level--jannah .level__content { text-align: left; }
.level--flow .hero-quote { margin-left: 0; }
.level--flow.level--jannah .phase--1 { text-align: left; }
.level--flow.level--jannah .phase--1 .level__ar { text-align: left; }

/* --------------------------------------------------------------------------
   Phones & tablets
   -------------------------------------------------------------------------- */

@media (max-width: 899px) {
  :root { --nav-space: 34px; --gutter: 20px; }

  .kicker { margin-bottom: 10px; font-size: 10.5px; letter-spacing: 0.24em; }
  .level__ar { font-size: clamp(36px, 11vw, 56px); }
  .level__title { font-size: clamp(25px, 7vw, 32px); }
  .level__place { font-size: 17px; }
  .meeting { margin-top: 18px; padding-top: 14px; }
  .meeting__ar { font-size: 27px; }
  .meeting__en { font-size: 23px; }
  .greet__ar { font-size: 20px; }
  .greet__en { font-size: 17px; }
  .points { margin-top: 18px; gap: 14px; }
  .point p { font-size: 15.5px; line-height: 1.62; }
  cite, .refs { font-size: 10px; }
  .ayah { margin-top: 20px; padding-top: 14px; }
  .ayah__ar { font-size: 22px; line-height: 1.85; }
  .ayah__en { font-size: 17px; }
  .dialogue { font-size: 14px; gap: 8px 14px; }
  .vessel { width: 104px; }
  .note { font-size: 20px; }
  .hero-quote p { font-size: clamp(21px, 6vw, 28px); }
  .rivers-legend { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }

  .passage { min-height: 56svh; }
  .passage__text { font-size: clamp(22px, 6.4vw, 32px); }

  .intro { height: 170vh; }
  .intro__title { font-size: clamp(34px, 9.6vw, 60px); }
  .intro__go { font-size: 10px; letter-spacing: 0.18em; padding: 8px 6px; }

  .altimeter { right: 10px; height: min(70vh, 560px); }
  .altimeter__label { display: none; }
  .altimeter button { padding: 2px 0 2px 6px; }
  .altimeter button i { width: 7px; height: 7px; }
  .altimeter__track { right: 3px; }

  .controls { right: 10px; top: 10px; }
  .controls button { height: 32px; padding: 0 12px; font-size: 10px; letter-spacing: 0.16em; }
  .sound-btn .sound-label { display: none; }
}

/* Tablets in portrait: more air, larger picture */
@media (min-width: 600px) and (max-width: 899px) {
  :root { --nav-space: 56px; --gutter: 48px; }
  .level--flow .level__content { max-width: 600px; }
  .level--flow .gate { width: min(60%, 360px); }
  .point p { font-size: 16.5px; }
  .ayah__ar { font-size: 25px; }
  .level__ar { font-size: 60px; }
  .altimeter { right: 18px; }
}

/* Short screens (small phones, laptops at 720px, phones in landscape):
   tighten the Earth screen so title and both directions always fit */
@media (max-height: 760px) {
  .intro__pin { padding-top: 54px; padding-bottom: 10px; }
  .intro__bismillah { margin-bottom: 10px; font-size: 20px; }
  .intro__title { font-size: clamp(32px, 8.5vh, 64px); }
  .intro__sub { margin-top: 12px; font-size: 16px; line-height: 1.4; }
  .intro__go { gap: 8px; padding: 6px 10px; }
}
@media (max-height: 520px) {
  .intro__pin { padding-top: 48px; padding-bottom: 4px; }
  .intro__bismillah { margin-bottom: 4px; font-size: 17px; }
  .intro__title { font-size: 30px; }
  .intro__title span { margin-bottom: 0; }
  .intro__sub { max-width: 620px; margin-top: 8px; font-size: 14px; }
  .intro__go { gap: 4px; padding: 4px 10px; }
  .intro__chev { width: 10px; height: 10px; }
}

/* Very small phones */
@media (max-width: 359px) {
  :root { --nav-space: 28px; --gutter: 16px; }
  .dialogue { grid-template-columns: 1fr; }
  .choice { flex-wrap: wrap; }
  .controls button { padding: 0 10px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .r { transform: none; }
}

/* --------------------------------------------------------------------------
   Languages
   -------------------------------------------------------------------------- */

.lang { position: relative; }
.lang-btn svg { width: 15px; height: 15px; flex: none; }
.lang-btn span { letter-spacing: 0.04em; text-transform: none; font-size: 12px; }
.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 20;
  min-width: 190px;
  max-height: min(70vh, 520px);
  overflow-y: auto;
  margin: 0;
  padding: 6px;
  list-style: none;
  border: 1px solid var(--hair);
  border-radius: 14px;
  background: #0b0e1d;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
}
.lang-menu button {
  display: block;
  width: 100%;
  height: auto;
  padding: 9px 12px;
  border: 0;
  border-radius: 9px;
  background: none;
  text-align: start;
  font-size: 15px;
  letter-spacing: 0;
  text-transform: none;
  opacity: 0.85;
  color: #f4ecd8;
}
.lang-menu button:hover,
.lang-menu button:focus-visible { background: rgba(227, 184, 103, 0.14); opacity: 1; outline: none; }
.lang-menu button[aria-selected="true"] { color: var(--gold); opacity: 1; }
.lang-menu button[aria-selected="true"]::after { content: ' ✓'; }
.sources__translation {
  margin: 0 0 18px;
  padding: 10px 14px;
  border-radius: 10px;
  background: rgba(227, 184, 103, 0.1);
  color: var(--gold);
  font-size: 13px;
  line-height: 1.6;
}
@media (max-width: 899px) {
  .lang-btn span { display: none; }
  .lang-btn { padding: 0 10px; }
}

/* Scripts that must not be letter-spaced, upper-cased or slanted */
html:is([lang="ar"], [lang="ur"], [lang="bn"], [lang="hi"], [lang="zh"]) :is(.kicker, .meeting__label, cite, .refs, .dialogue span, .counter__label, .counter__sub, .rv small, .vessel small, .intro__go, .intro__sound, .return-btn, .controls button, .altimeter__label, .passage__ref, .sources__list dt) {
  letter-spacing: 0;
  text-transform: none;
}
html:is([lang="ar"], [lang="ur"], [lang="bn"], [lang="hi"], [lang="zh"]) :is(.level__place, .greet__en, .ayah__en, .note, .intro__sub, .passage__text, .hero-quote p, .counter__sub, .sources__note, .meeting__en span) {
  font-style: normal;
}
html:is([lang="ar"], [lang="ur"], [lang="bn"], [lang="hi"], [lang="zh"]) :is(.kicker, cite, .refs) { font-size: 12.5px; }
/* Nastaliq is tall: give Urdu room to breathe */
html[lang="ur"] body { line-height: 2; }
html[lang="ur"] :is(.point p, .ayah__en, .passage__text, .hero-quote p, .intro__sub, .greet__en, .level__title, .meeting__en) { line-height: 2.1; }
html[lang="ur"] .level__title { font-size: clamp(22px, 2.3vw, 34px); }
html[lang="ur"] .dialogue { line-height: 1.75; gap: 0 16px; }
html[lang="ur"] .altimeter__label { line-height: 2.1; padding: 1px 10px; }
html[lang="ur"] .passage__text { font-size: clamp(20px, 2.6vw, 34px); }

/* Right-to-left (Arabic, Urdu): the page keeps English's arrangement —
   picture and text stay where they are; only the words read right to left */
html[dir="rtl"] .level__pin,
html[dir="rtl"] .level--phased .level__content,
html[dir="rtl"] .level--wide .level__content,
html[dir="rtl"] .rivers-legend,
html[dir="rtl"] .choice,
html[dir="rtl"] .counter { direction: ltr; }
html[dir="rtl"] .level__content > *,
html[dir="rtl"] .level--wide .level__content > *,
html[dir="rtl"] .level--phased .phase > *,
html[dir="rtl"] .rv,
html[dir="rtl"] .vessel,
html[dir="rtl"] .counter__meta { direction: rtl; }
html[dir="rtl"] .altimeter,
html[dir="rtl"] .controls { direction: ltr; }
html[dir="rtl"] .lang-menu { direction: rtl; }
html[dir="rtl"] :is(.level__ar, .meeting__ar, .greet__ar, .ayah__ar),
html[dir="rtl"] .level--flow :is(.level__ar, .meeting__ar, .ayah__ar),
html[dir="rtl"] .level--wide :is(.level__ar, .ayah__ar) { text-align: right; }
html[dir="rtl"] :is(.level--flow .level__pin, .lux-card, .level--jannah .phase--2 .points, .level--jannah .phase--3, .level--flow.level--jannah .level__content, .level--flow.level--jannah .phase--1, .level--flow.level--jannah .phase--1 .level__ar) { text-align: right; }
html[dir="rtl"] .level--full:not(.level--flow):not(.level--wide) :is(.level__ar, .ayah__ar, .meeting__ar) { text-align: center; }
html[dir="rtl"] .level--jannah:not(.level--flow) .phase--1 { text-align: center; }
html[dir="rtl"] .rv { justify-items: start; }

/* --------------------------------------------------------------------------
   Brand
   -------------------------------------------------------------------------- */

.brand {
  position: fixed;
  z-index: 11;
  top: clamp(12px, 2.4vh, 26px);
  left: clamp(12px, 2vw, 32px);
  direction: ltr;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 4px 16px 4px 4px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  background: rgba(5, 7, 15, 0.72);
  color: #f4ecd8;
  text-decoration: none;
  transition: background 0.3s ease, color 0.6s ease;
}
.brand:hover { background: rgba(5, 7, 15, 0.55); }
.brand:focus-visible { outline: 1px solid var(--gold); outline-offset: 3px; }
.brand__mark { width: 34px; height: 34px; border-radius: 9px; flex: none; }
.brand__text { display: grid; line-height: 1.15; }
.brand__ar { font-family: var(--arabic); font-size: 13px; color: #f0cf8a; text-align: left; }
.brand__name { font-family: var(--serif); font-size: 15px; font-weight: 500; white-space: nowrap; }
html[lang="ar"] .brand__ar { display: none; }
html[lang="ar"] .brand__name { font-family: var(--arabic); }
.is-light .brand { background: rgba(255, 250, 240, 0.82); color: #3d2a07; }
.is-light .brand__ar { color: #6e4d12; }
@media (max-width: 899px) {
  .brand { top: 10px; left: 10px; height: 36px; padding: 2px; gap: 0; }
  .brand__mark { width: 30px; height: 30px; border-radius: 8px; }
  .brand__text { display: none; }
}

/* the passage that leads into the Throne sits in its light: plain dark ink */
.passage--onlight .passage__text { color: #2b1f08; }
.passage--onlight .passage__ref { color: #5a3c08; opacity: var(--v); }
.passage--onlight .passage__thread { background: linear-gradient(180deg, transparent, rgba(110, 77, 18, 0.35) 25%, transparent 42%, transparent 58%, rgba(110, 77, 18, 0.35) 75%, transparent); }

/* Stacked Throne: always on its own light, whatever the sky is doing */
.level--flow.level--arsh .level__pin {
  background: radial-gradient(120% 90% at 50% 40%, #fffaf0 0%, #f7ecd0 60%, rgba(247, 236, 208, 0.9) 100%);
}
/* Stacked depth: the zooming glow stays behind the words, not through them */
.level--flow .abyss-core { opacity: calc(0.6 - clamp(0, (var(--s) - 0.7) * 2, 0.6)); }

/* Stacked: the Throne's light continues behind its lead-in line, then fades
   back to the night before the Pens begin */
@media (max-width: 899px), (max-height: 560px) {
  .passage--onlight {
    background: linear-gradient(180deg, #f7ecd0 0%, #f7ecd0 68%, rgba(247, 236, 208, 0) 100%);
  }
}
.level--flow.level--abyss .level__content::before {
  background: radial-gradient(closest-side, rgba(10, 2, 1, 0.8), rgba(10, 2, 1, 0.4) 70%, transparent);
}

/* Its Fire: the words keep a deep shadow even where they reach the flames */
.level--flames:not(.level--flow) .level__content::before {
  inset: -70px -110px;
  background: radial-gradient(closest-side, rgba(12, 3, 1, 0.86), rgba(12, 3, 1, 0.6) 70%, transparent);
}
html[lang="ur"] .brand__name { line-height: 1.9; }
.level--flames .ayah__en { color: var(--ink); }
@media (max-height: 760px) {
  .level--flames:not(.level--flow) .flames { transform: translateY(calc((1 - var(--g)) * 30% + 9%)); }
}