/* ==========================================================================
   The Cube — stylesheet
   1. Design tokens        5. Start screen        9. Guide drawer
   2. Base                 6. In-game dock       10. Toast & result card
   3. Shared controls      7. Turn pad           11. Fallback screen
   4. Top HUD              8. State transitions  12. Small screens
   ========================================================================== */

/* 1. Design tokens ------------------------------------------------------- */
:root {
  --bg-center: #ffffff;
  --bg-mid: #eef0f4;
  --bg-edge: #d8dce4;

  --ink: #0f1115;
  --ink-soft: #3a404c;
  --muted: #7b8293;
  --hairline: rgba(15, 17, 21, 0.08);

  --glass: rgba(255, 255, 255, 0.62);
  --glass-strong: rgba(255, 255, 255, 0.88);
  --glass-border: rgba(255, 255, 255, 0.75);
  --chip: #f2f3f6;
  --chip-hover: #e7e9ee;
  --accent: #e0312b;

  --shadow-sm: 0 1px 2px rgba(15, 17, 21, 0.05), 0 2px 8px rgba(15, 17, 21, 0.06);
  --shadow-md: 0 2px 6px rgba(15, 17, 21, 0.04), 0 14px 36px rgba(15, 17, 21, 0.10);
  --shadow-lg: 0 6px 16px rgba(15, 17, 21, 0.06), 0 30px 80px rgba(15, 17, 21, 0.18);

  /* One easing curve for everything keeps motion consistent */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --fast: 0.25s;
  --slow: 0.6s;

  --font-display: "Outfit", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-ui: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SF Mono", Consolas, monospace;

  --drawer-w: 400px;
  --sheet-h: 46vh;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

@supports (height: 1dvh) {
  :root { --sheet-h: 46dvh; }
}

/* 2. Base --------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
}

body {
  background: var(--bg-mid);
  color: var(--ink);
  font: 15px/1.55 var(--font-ui);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

#app {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background:
    radial-gradient(120% 85% at 50% 38%, var(--bg-center) 0%, var(--bg-mid) 52%, var(--bg-edge) 100%);
}

#stage {
  position: absolute;
  inset: 0;
}

#stage canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: grab;
}

#stage canvas:active { cursor: grabbing; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

button:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.icon {
  width: 22px;
  height: 22px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* 3. Shared controls ---------------------------------------------------- */
.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: var(--ink-soft);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform var(--fast) var(--ease), background var(--fast);
}

.icon-btn:hover { background: var(--glass-strong); }
.icon-btn:active { transform: scale(0.94); }
.icon-btn .icon { width: 20px; height: 20px; }

.sound-btn {
  position: absolute;
  top: calc(var(--safe-top) + 18px);
  right: 18px;
  z-index: 5;
}

.btn-primary,
.btn-secondary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
  transition: transform var(--fast) var(--ease), box-shadow var(--fast) var(--ease), background var(--fast);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(180deg, #262a33 0%, #0f1115 100%);
  box-shadow: 0 10px 24px rgba(15, 17, 21, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.btn-secondary {
  color: var(--ink);
  background: var(--chip);
}

.btn-secondary:hover { background: var(--chip-hover); }

.btn-ghost {
  height: 44px;
  color: var(--ink-soft);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.btn-ghost .icon { width: 19px; height: 19px; }

.btn-primary:hover,
.btn-ghost:hover { transform: translateY(-1px); }

.btn-primary:active,
.btn-secondary:active,
.btn-ghost:active { transform: scale(0.97); }

/* 4. Top HUD ------------------------------------------------------------ */
.hud-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  justify-items: center;
  padding: calc(var(--safe-top) + 30px) 16px 0;
  pointer-events: none;
}

/* Logo and clock share one grid cell and cross-fade */
.brand,
.clock {
  grid-area: 1 / 1;
  text-align: center;
  transition: opacity var(--slow) var(--ease), transform var(--slow) var(--ease);
}

.brand-kicker {
  display: block;
  font: 600 13px/1 var(--font-display);
  letter-spacing: 0.55em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
  padding-left: 0.55em; /* balance the trailing letter-spacing */
}

.brand-title {
  margin: 0;
  font: 800 clamp(64px, 13vw, 112px)/0.88 var(--font-display);
  letter-spacing: -0.035em;
  text-transform: uppercase;
  background: linear-gradient(180deg, #2a2e37 0%, #0b0c0f 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand-tagline {
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--muted);
}

.clock-time {
  font: 600 clamp(46px, 8vw, 68px)/1 var(--font-display);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.clock-tenths {
  font-size: 0.5em;
  color: var(--muted);
  margin-left: 2px;
}

.clock-moves {
  display: inline-block;
  margin-top: 10px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  background: var(--glass);
  border: 1px solid var(--glass-border);
}

/* 5. Start screen ------------------------------------------------------- */
.hero {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(var(--safe-bottom) + 34px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  pointer-events: none;
  transition: opacity var(--slow) var(--ease), transform var(--slow) var(--ease);
}

.hero > button { pointer-events: auto; }

.btn-play {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  height: 64px;
  padding: 0 34px 0 10px;
  border-radius: 999px;
  color: #fff;
  font: 600 18px/1 var(--font-display);
  letter-spacing: 0.01em;
  background: linear-gradient(180deg, #2a2e37 0%, #0f1115 100%);
  box-shadow:
    0 18px 40px rgba(15, 17, 21, 0.28),
    0 4px 10px rgba(15, 17, 21, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
  overflow: hidden;
  transition: transform var(--fast) var(--ease), box-shadow var(--fast) var(--ease);
}

/* A slow light sweep across the button */
.btn-play::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, 0.16) 50%, transparent 65%);
  transform: translateX(-100%);
  animation: sheen 3.6s var(--ease) 1.2s infinite;
}

@keyframes sheen {
  0% { transform: translateX(-100%); }
  45%, 100% { transform: translateX(100%); }
}

.btn-play:hover {
  transform: translateY(-2px);
  box-shadow:
    0 24px 48px rgba(15, 17, 21, 0.30),
    0 6px 14px rgba(15, 17, 21, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.btn-play:active { transform: scale(0.97); }

/* While the game is still loading */
.btn-play:disabled {
  cursor: progress;
  opacity: 0.7;
}

.btn-play:disabled::after { animation: none; }

.btn-play-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  color: var(--ink);
}

.btn-play-icon .icon {
  width: 18px;
  height: 18px;
  margin-left: 2px; /* optical centering of the triangle */
}

.hero-best {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--muted);
}

/* 6. In-game dock ------------------------------------------------------- */
.hud-bottom {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 12px calc(var(--safe-bottom) + 18px);
  pointer-events: none;
  transition: opacity var(--slow) var(--ease), transform var(--slow) var(--ease);
}

.dock {
  display: flex;
  align-items: stretch;
  gap: 2px;
  padding: 6px;
  border-radius: 24px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(22px) saturate(1.7);
  -webkit-backdrop-filter: blur(22px) saturate(1.7);
  pointer-events: auto;
}

.dock-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  min-width: 66px;
  padding: 8px 10px 7px;
  border-radius: 18px;
  color: var(--ink-soft);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background var(--fast), color var(--fast), transform var(--fast) var(--ease), opacity var(--fast);
}

.dock-btn:hover { background: rgba(15, 17, 21, 0.05); }
.dock-btn:active { transform: scale(0.94); }

.dock-btn[aria-pressed="true"] {
  color: #fff;
  background: var(--ink);
}

.dock-btn:disabled {
  opacity: 0.32;
  pointer-events: none;
}

.dock-sep {
  width: 1px;
  margin: 10px 3px;
  background: var(--hairline);
}

/* 7. Turn pad (opens above the dock) ------------------------------------ */
.pad-wrap {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows 0.45s var(--ease), opacity 0.3s var(--ease);
}

.pad-wrap.is-open {
  grid-template-rows: 1fr;
  opacity: 1;
}

.pad-clip {
  min-height: 0;
  overflow: hidden;
}

.pad {
  display: grid;
  grid-template-columns: repeat(6, 50px);
  gap: 6px;
  margin: 6px 10px 12px;
  padding: 10px;
  border-radius: 20px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  pointer-events: auto;
}

.pad button {
  height: 42px;
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  font: 600 16px/1 var(--font-display);
  color: var(--ink);
  transition: transform 0.15s var(--ease), background 0.15s;
}

.pad button:active {
  transform: scale(0.92);
  background: var(--ink);
  color: #fff;
}

.pad-note {
  grid-column: 1 / -1;
  margin: 2px 0 0;
  text-align: center;
  font-size: 11.5px;
  color: var(--muted);
}

/* 8. State transitions ---------------------------------------------------
   The app's data-state attribute drives which layer is visible.          */
#app:not([data-state="title"]) .brand {
  opacity: 0;
  transform: translateY(-16px) scale(0.96);
}

#app[data-state="title"] .clock {
  opacity: 0;
  transform: translateY(10px);
}

#app:not([data-state="title"]) .hero {
  opacity: 0;
  transform: translateY(20px);
}

#app:not([data-state="title"]) .hero > button { pointer-events: none; }

#app[data-state="title"] .hud-bottom {
  opacity: 0;
  transform: translateY(24px);
}

#app[data-state="title"] .hud-bottom * { pointer-events: none !important; }

/* 9. Guide drawer ------------------------------------------------------- */
.drawer {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  width: var(--drawer-w);
  background: rgba(255, 255, 255, 0.9);
  border-left: 1px solid var(--hairline);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(24px) saturate(1.5);
  -webkit-backdrop-filter: blur(24px) saturate(1.5);
  transform: translateX(104%);
  visibility: hidden;
  transition: transform var(--slow) var(--ease), visibility 0s linear var(--slow);
  user-select: text;
  -webkit-user-select: text;
}

#app[data-guide="open"] .drawer {
  transform: none;
  visibility: visible;
  transition: transform var(--slow) var(--ease), visibility 0s;
}

.drawer-handle { display: none; }

.drawer-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: calc(var(--safe-top) + 22px) 22px 16px;
  border-bottom: 1px solid var(--hairline);
}

.drawer-head h2 {
  margin: 0;
  font: 700 21px/1.2 var(--font-display);
  letter-spacing: -0.01em;
}

.drawer-head .icon-btn {
  width: 38px;
  height: 38px;
  box-shadow: none;
  background: var(--chip);
  border-color: transparent;
}

.drawer-kicker {
  margin: 0 0 4px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: 18px 22px calc(var(--safe-bottom) + 40px);
}

.drawer-body p,
.drawer-body li {
  color: var(--ink-soft);
  font-size: 14.2px;
}

.drawer-body p { margin: 8px 0; }
.drawer-body ul { margin: 8px 0; padding-left: 18px; }
.drawer-body li { margin: 4px 0; }
.drawer-body b { color: var(--ink); font-weight: 600; }

.lead {
  font-size: 15px !important;
  color: var(--ink) !important;
}

.note {
  margin: 14px 0 6px;
  padding: 11px 14px;
  border-radius: 14px;
  background: linear-gradient(180deg, #fff8e6, #fff3d6);
  font-size: 13.5px;
  color: #5a4a1f;
  line-height: 1.7;
}

.card {
  margin: 14px 0;
  padding: 16px 18px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--hairline);
  box-shadow: 0 1px 2px rgba(15, 17, 21, 0.03);
}

.card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 6px;
  font: 600 16px/1.3 var(--font-display);
  letter-spacing: -0.005em;
}

.step-no {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  flex: none;
  border-radius: 50%;
  color: #fff;
  font: 600 13px/1 var(--font-display);
  background: linear-gradient(180deg, #2a2e37, #0f1115);
}

.hint {
  font-size: 13px !important;
  color: var(--muted) !important;
}

/* Tappable algorithm chips */
.alg {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 4px 0;
  padding: 8px 14px 8px 10px;
  border-radius: 12px;
  background: var(--chip);
  color: var(--ink);
  font: 600 14px/1.2 var(--font-mono);
  letter-spacing: 0.02em;
  transition: background var(--fast), transform 0.15s var(--ease);
}

.alg::before {
  content: "";
  width: 20px;
  height: 20px;
  flex: none;
  border-radius: 50%;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 6.5v11l9-5.5z' fill='white'/%3E%3C/svg%3E") center / 14px no-repeat,
    var(--accent);
}

.alg:hover { background: var(--chip-hover); }
.alg:active { transform: scale(0.97); }

.alg.is-sample {
  padding: 3px 9px 3px 5px;
  gap: 6px;
  font-size: 12.5px;
  vertical-align: 1px;
}

.alg.is-sample::before { width: 16px; height: 16px; background-size: 11px, auto; }

.notation {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 4px 8px;
  margin: 10px 0;
  font-size: 14px;
}

.notation dt {
  display: grid;
  place-items: center;
  height: 26px;
  border-radius: 8px;
  background: var(--chip);
  font: 600 14px/1 var(--font-mono);
}

.notation dd {
  margin: 0;
  align-self: center;
  color: var(--ink-soft);
}

/* Yellow-cross shape diagrams */
.shapes {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 12px 0;
}

.shape {
  text-align: center;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
}

.shape-grid {
  display: grid;
  grid-template-columns: repeat(3, 17px);
  gap: 3px;
  width: max-content;
  margin: 0 auto 6px;
  padding: 4px;
  border-radius: 8px;
  background: #15171c;
}

.shape-grid i {
  width: 17px;
  height: 17px;
  border-radius: 4px;
  background: #545a66;
}

.shape-grid i.on { background: #ffc93c; }

/* 10. Toast & result card ------------------------------------------------ */
.toast {
  position: absolute;
  left: 50%;
  top: calc(var(--safe-top) + 150px);
  z-index: 20;
  max-width: calc(100% - 32px);
  padding: 11px 18px;
  border-radius: 999px;
  background: rgba(15, 17, 21, 0.86);
  color: #fff;
  font-size: 13.5px;
  font-weight: 500;
  text-align: center;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  transform: translate(-50%, -8px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
  pointer-events: none;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.modal {
  position: absolute;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(238, 240, 244, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0s linear 0.4s;
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.4s var(--ease), visibility 0s;
}

.result-card {
  position: relative;
  width: min(360px, 100%);
  padding: 34px 26px 26px;
  border-radius: 30px;
  background: #fff;
  box-shadow: var(--shadow-lg);
  text-align: center;
  transform: translateY(16px) scale(0.96);
  transition: transform 0.55s var(--ease);
}

.modal.is-open .result-card { transform: none; }

.result-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  background: var(--chip);
  border-color: transparent;
  box-shadow: none;
}

.result-kicker {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.result-time {
  margin: 8px 0 4px;
  font: 700 64px/1 var(--font-display);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.result-badge {
  display: inline-block;
  margin: 6px 0 0;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  color: #7a5600;
  background: linear-gradient(180deg, #fff1c4, #ffe08a);
}

.result-badge[hidden] { display: none; }

.result-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 22px 0 24px;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.result-stats > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 0;
}

.result-stats > div + div { border-left: 1px solid var(--hairline); }

.result-stats span {
  font: 600 22px/1.1 var(--font-display);
  font-variant-numeric: tabular-nums;
}

.result-stats small {
  font-size: 12px;
  color: var(--muted);
}

.result-actions {
  display: flex;
  gap: 10px;
}

.result-actions > button { flex: 1; padding: 0 16px; }
.result-actions .icon { width: 18px; height: 18px; }

.confetti {
  position: absolute;
  inset: 0;
  z-index: 40;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* 11. Fallback screen ---------------------------------------------------- */
.fail {
  position: absolute;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 24px;
  text-align: center;
  background: var(--bg-mid);
}

.fail[hidden] { display: none; }
.fail h2 { margin: 0 0 8px; font: 700 24px/1.2 var(--font-display); }
.fail p { margin: 0; color: var(--muted); max-width: 360px; }

/* 12. Small screens ------------------------------------------------------ */
@media (max-width: 760px) {
  /* The guide becomes a bottom sheet */
  .drawer {
    top: auto;
    left: 0;
    width: auto;
    height: var(--sheet-h);
    border-left: 0;
    border-radius: 26px 26px 0 0;
    transform: translateY(104%);
  }

  .drawer-handle {
    display: block;
    width: 40px;
    height: 5px;
    margin: 8px auto 0;
    border-radius: 999px;
    background: rgba(15, 17, 21, 0.14);
  }

  .drawer-head { padding: 10px 18px 12px; }
  .drawer-head h2 { font-size: 18px; }
  .drawer-body { padding: 12px 18px calc(var(--safe-bottom) + 30px); }

  /* Keep the controls reachable above the open sheet */
  #app[data-guide="open"] .hud-bottom {
    transform: translateY(calc(-1 * var(--sheet-h)));
  }

  #app[data-guide="open"] .hud-bottom { padding-bottom: 10px; }

  .hud-top { padding-top: calc(var(--safe-top) + 22px); }

  .dock-btn { min-width: 0; flex: 1; padding: 7px 6px 6px; font-size: 10.5px; }
  .dock { width: 100%; max-width: 420px; }

  .pad {
    grid-template-columns: repeat(6, 1fr);
    gap: 5px;
    padding: 8px;
    margin: 4px 0 10px;
  }

  .pad-wrap { width: 100%; max-width: 420px; }
  .pad button { height: 38px; font-size: 15px; }

  .sound-btn { top: calc(var(--safe-top) + 14px); right: 14px; width: 40px; height: 40px; }

  .toast { top: calc(var(--safe-top) + 128px); border-radius: 18px; }
}

@media (max-height: 640px) {
  .brand-tagline { display: none; }
  .hero { gap: 10px; bottom: calc(var(--safe-bottom) + 20px); }
}

/* Respect users who prefer less motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}