:root {
  --ink: #10100f;
  --black: #171715;
  --paper: #f4f0e7;
  --white: #fffdf6;
  --acid: #dfff00;
  --coral: #ff5c35;
  --blue: #69a7ff;
  --muted: #a6a398;
  --line: rgba(255, 253, 246, 0.18);
  --dark-line: rgba(16, 16, 15, 0.18);
  --display: "Instrument Serif", Georgia, serif;
  --sans: "Archivo", sans-serif;
  --mono: "IBM Plex Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--white);
  background:
    radial-gradient(circle at 9% 10%, rgba(223, 255, 0, 0.1), transparent 28rem),
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    var(--ink);
  background-size: auto, 36px 36px, 36px 36px, auto;
  font-family: var(--sans);
}

body::before {
  content: "";
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  opacity: 0.25;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E");
}

button,
input {
  color: inherit;
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.site-header,
main {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--white);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.brand-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 22px rgba(223, 255, 0, 0.85);
}

.header-stats {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font: 11px var(--mono);
  text-transform: uppercase;
}

.header-stats b {
  color: var(--acid);
  font-weight: 500;
}

.intro {
  max-width: 980px;
  margin-inline: auto;
  padding: 48px 0 34px;
  text-align: center;
}

.eyebrow,
.step,
.modal-kicker {
  margin: 0;
  color: var(--acid);
  font: 500 10px var(--mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1 {
  margin: 10px auto 12px;
  font: 400 clamp(58px, 7.7vw, 104px) / 0.88 var(--display);
  letter-spacing: -0.052em;
  text-wrap: balance;
}

h1 em {
  color: var(--acid);
  font-style: italic;
}

.intro-copy {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.loading-card,
.challenge-card {
  border: 1px solid var(--line);
  background: var(--black);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.36);
}

.loading-card {
  min-height: 230px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--muted);
  border-radius: 18px;
}

.loading-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--acid);
  animation: pulse 1.1s infinite ease-in-out;
}

.challenge-card {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  animation: stageIn 650ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.challenge-topline {
  min-height: 68px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font: 11px var(--mono);
  text-transform: uppercase;
}

.difficulty-badge {
  min-width: 168px;
  padding: 11px 14px;
  border: 1px solid var(--acid);
  color: var(--ink);
  background: var(--acid);
  box-shadow: 4px 4px 0 rgba(223, 255, 0, 0.18);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.difficulty-badge[data-level="medium"] {
  border-color: #ffcc4a;
  color: var(--ink);
  background: #ffcc4a;
  box-shadow: 4px 4px 0 rgba(255, 204, 74, 0.18);
}

.difficulty-badge[data-level="hard"] {
  border-color: var(--coral);
  color: var(--white);
  background: var(--coral);
  box-shadow: 4px 4px 0 rgba(255, 92, 53, 0.2);
}

.challenge-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(350px, 0.82fr);
  align-items: stretch;
}

.video-column {
  min-width: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
}

.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #050505;
}

#youtube-player,
#youtube-player iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.player-controls {
  position: absolute;
  z-index: 4;
  right: 12px;
  bottom: 12px;
  left: 12px;
  min-height: 44px;
  padding: 7px;
  display: grid;
  grid-template-columns: auto minmax(60px, 1fr) auto auto;
  gap: 7px;
  align-items: center;
  border: 1px solid rgba(255, 253, 246, 0.22);
  background: rgba(10, 10, 9, 0.82);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(14px);
}

.jump-button,
.speed-toggle {
  height: 30px;
  min-width: 42px;
  padding: 0 9px;
  border: 1px solid rgba(255, 253, 246, 0.2);
  background: transparent;
  color: var(--white);
  font: 500 10px var(--mono);
  cursor: pointer;
  transition: border-color 150ms, color 150ms, background 150ms;
}

.jump-button:hover {
  border-color: var(--coral);
  color: var(--coral);
}

.speed-toggle {
  min-width: 38px;
}

.speed-toggle:hover,
.speed-toggle.active {
  border-color: var(--acid);
  background: var(--acid);
  color: var(--ink);
}

.player-scrubber {
  --playback-progress: 0%;
  width: 100%;
  height: 18px;
  margin: 0;
  appearance: none;
  background: transparent;
  cursor: pointer;
}

.player-scrubber::-webkit-slider-runnable-track {
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--coral) 0 var(--playback-progress),
    rgba(255, 253, 246, 0.3) var(--playback-progress) 100%
  );
}

.player-scrubber::-webkit-slider-thumb {
  width: 13px;
  height: 20px;
  margin-top: -8px;
  appearance: none;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--acid);
  box-shadow: 0 0 0 1px var(--acid);
}

.player-scrubber::-moz-range-track {
  height: 4px;
  border: 0;
  background: rgba(255, 253, 246, 0.3);
}

.player-scrubber::-moz-range-progress {
  height: 4px;
  background: var(--coral);
}

.player-scrubber::-moz-range-thumb {
  width: 11px;
  height: 18px;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--acid);
}

.player-scrubber:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 2px;
}

.video-poster {
  position: absolute;
  z-index: 2;
  inset: 0;
  overflow: hidden;
  padding: 0;
  border: 0;
  background: #050505;
  cursor: pointer;
}

.video-poster[hidden] {
  display: none;
}

.video-poster img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  filter: blur(38px) saturate(1.25) brightness(0.55);
  transform: scale(1.18);
  transition: transform 900ms cubic-bezier(0.22, 1, 0.36, 1);
}

.video-poster:hover img {
  transform: scale(1.1);
}

.poster-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(223, 255, 0, 0.12), transparent 38%),
    linear-gradient(0deg, rgba(0, 0, 0, 0.45), transparent 60%);
}

.poster-play {
  position: absolute;
  left: 50%;
  top: 50%;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 14px 18px;
  transform: translate(-50%, -50%) rotate(-2deg);
  border: 2px solid var(--ink);
  background: var(--acid);
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
  box-shadow: 7px 7px 0 var(--ink);
  transition: transform 180ms, box-shadow 180ms;
}

.video-poster:hover .poster-play {
  transform: translate(-50%, -50%) rotate(0);
  box-shadow: 3px 3px 0 var(--ink);
}

.play-triangle {
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid var(--ink);
}

.guess-area {
  min-width: 0;
  padding: 30px;
  display: flex;
  flex-direction: column;
}

.guess-heading strong {
  display: block;
  margin-top: 10px;
  color: var(--white);
  font: 500 clamp(24px, 3vw, 38px) / 1 var(--mono);
  letter-spacing: -0.05em;
}

.guess-heading p {
  margin: 12px 0 22px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.timeline {
  position: relative;
  height: 112px;
  overflow: hidden;
  border: 1px solid rgba(255, 253, 246, 0.38);
  background:
    repeating-linear-gradient(90deg, transparent 0 calc(10% - 1px), rgba(255, 255, 255, 0.08) calc(10% - 1px) 10%),
    #292927;
  cursor: grab;
  touch-action: none;
}

.timeline:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 4px;
}

#heatmap-canvas {
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0;
  transform: scaleY(0.18);
  transform-origin: bottom;
  transition: opacity 500ms, transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.timeline.revealed #heatmap-canvas {
  opacity: 1;
  transform: scaleY(1);
}

.playhead {
  position: absolute;
  z-index: 5;
  inset: 0 auto 0 0;
  width: 2px;
  pointer-events: none;
  background: var(--coral);
  box-shadow: 0 0 13px rgba(255, 92, 53, 0.8);
  transform: translateX(-1px);
  transition: left 160ms linear;
}

.bookmark-pins {
  position: absolute;
  z-index: 4;
  inset: 0;
  pointer-events: none;
}

.bookmark-pin {
  position: absolute;
  bottom: 9px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--black);
  border-radius: 50%;
  background: var(--blue);
  transform: translateX(-50%);
  box-shadow: 0 0 0 1px var(--blue);
}

.selection-window {
  position: absolute;
  z-index: 2;
  inset: 0 auto 0 0;
  min-width: 20px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  border-inline: 2px solid var(--acid);
  background: rgba(223, 255, 0, 0.24);
  cursor: grab;
}

.selection-window:active {
  cursor: grabbing;
}

.handle {
  width: 4px;
  height: 32px;
  background: var(--acid);
}

.window-label {
  padding: 7px 8px;
  background: var(--acid);
  color: var(--ink);
  font: 500 9px var(--mono);
  white-space: nowrap;
}

.winning-window {
  position: absolute;
  z-index: 3;
  inset: 0 auto 0 0;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  border-inline: 2px solid var(--coral);
  background: rgba(255, 92, 53, 0.2);
  opacity: 0;
  transform: scaleX(0.25);
  transition: opacity 350ms 300ms, transform 600ms 300ms cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
}

.winning-window span {
  margin-bottom: 7px;
  padding: 5px 7px;
  background: var(--coral);
  color: var(--white);
  font: 9px var(--mono);
}

.timeline.revealed .winning-window {
  opacity: 1;
  transform: scaleX(1);
}

.timeline.revealed .selection-window {
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.1);
}

.timeline.revealed .handle,
.timeline.revealed .window-label {
  background: var(--white);
  color: var(--ink);
}

.timeline.answer-locked {
  cursor: default;
}

.timeline.answer-locked .selection-window {
  cursor: default;
  pointer-events: none;
}

.timeline.answer-locked .handle {
  opacity: 0;
}

.timeline.answer-locked .window-label {
  padding-inline: 10px;
  border: 1px solid var(--ink);
  box-shadow: 3px 3px 0 rgba(16, 16, 15, 0.35);
}

.timeline-meta,
.timeline-ticks {
  display: flex;
  justify-content: space-between;
  color: #77756e;
  font: 9px var(--mono);
}

.timeline-meta {
  margin-top: 9px;
}

.timeline-ticks {
  margin-top: 4px;
  padding-right: 25%;
}

#playback-time {
  color: var(--coral);
  font-weight: 500;
}

.moments-row {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(350px, 0.82fr);
  align-items: stretch;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(223, 255, 0, 0.035), transparent 45%),
    rgba(255, 255, 255, 0.012);
}

.moments-row .bookmark-button {
  width: auto;
  margin: 24px;
  align-self: center;
}

.saved-moments {
  min-width: 0;
  padding: 24px 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 1px solid var(--line);
}

.bookmarks-list {
  min-height: 35px;
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.empty-bookmarks {
  align-self: center;
  color: #77756e;
  font-size: 11px;
}

.bookmark-chip,
.bookmark-button {
  border: 1px solid rgba(255, 253, 246, 0.24);
  background: transparent;
  cursor: pointer;
}

.bookmark-chip {
  min-height: 31px;
  padding: 0 9px;
  color: var(--white);
  font: 10px var(--mono);
}

.bookmark-chip::before {
  content: "";
  width: 6px;
  height: 6px;
  display: inline-block;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--blue);
}

.bookmark-chip:hover,
.bookmark-chip.selected {
  border-color: var(--acid);
  background: var(--acid);
  color: var(--ink);
}

.bookmark-button {
  width: 100%;
  min-height: 66px;
  padding: 11px 14px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  border-color: var(--acid);
  color: var(--white);
  background: rgba(223, 255, 0, 0.08);
  text-align: left;
  transition: transform 160ms, background 160ms, border-color 160ms;
}

.bookmark-button:hover {
  border-color: var(--acid);
  background: rgba(223, 255, 0, 0.16);
  transform: translateY(-2px);
}

.bookmark-plus {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--acid);
  color: var(--ink);
  font-size: 23px;
  line-height: 1;
}

.bookmark-copy {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.bookmark-copy strong {
  font-size: 13px;
  letter-spacing: -0.02em;
}

.bookmark-copy small {
  color: var(--muted);
  font-size: 10px;
  font-weight: 400;
}

.bookmark-button b {
  padding: 7px 9px;
  background: var(--acid);
  color: var(--ink);
  font: 500 11px var(--mono);
}

.submit-guess,
.share-button,
.share-score-button,
.share-video-button,
.next-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-height: 54px;
  padding: 0 19px;
  border: 0;
  color: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.submit-guess {
  width: 100%;
  margin-top: 28px;
  background: var(--acid);
  color: var(--ink);
  box-shadow: 6px 6px 0 rgba(223, 255, 0, 0.18);
  transition: transform 160ms, box-shadow 160ms;
}

.submit-guess:hover {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 rgba(223, 255, 0, 0.18);
}

.submit-guess:disabled {
  opacity: 0.5;
  cursor: default;
}

.modal-backdrop {
  position: fixed;
  z-index: 20;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  overflow-y: auto;
  background: rgba(4, 4, 4, 0.84);
  backdrop-filter: blur(12px);
  animation: backdropIn 220ms ease-out both;
}

.result-card {
  position: relative;
  width: min(860px, 100%);
  overflow: hidden;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--white);
  box-shadow: 18px 18px 0 rgba(223, 255, 0, 0.22);
}

.result-card.reveal-in {
  animation: resultEnter 650ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.result-score {
  min-height: 440px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--acid);
  border-right: 1px solid var(--ink);
}

.result-reaction {
  margin-top: 24px;
  font: 500 12px var(--mono);
  text-transform: uppercase;
}

.result-score .result-score-action {
  width: 100%;
  min-height: 44px;
  padding: 0 13px;
  align-self: stretch;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font: 700 10px var(--sans);
  transition: background 150ms ease, color 150ms ease, transform 150ms ease;
}

.result-score .result-score-action:hover {
  background: var(--ink);
  color: var(--acid);
  transform: translateX(3px);
}

.result-score > div {
  margin: 25px 0 8px;
  display: flex;
  align-items: baseline;
}

.result-score strong {
  font: 400 clamp(104px, 13vw, 162px) / 0.72 var(--display);
  font-style: italic;
  letter-spacing: -0.075em;
}

.result-score small {
  font: 500 13px var(--mono);
}

.result-score p {
  margin: 20px 0 0;
  font-size: 12px;
  line-height: 1.55;
}

.result-score .secondary-button {
  margin-top: 22px;
}

.result-card.score-mid .result-score {
  background: #ffcc4a;
}

.result-card.score-low .result-score {
  background: #b7b4ac;
}

.result-detail {
  padding: 38px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.result-map-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.source-badge {
  align-self: flex-start;
  flex: none;
  padding: 6px 8px;
  border: 1px solid var(--dark-line);
  font: 9px var(--mono);
  text-transform: uppercase;
}

.result-detail h2 {
  max-width: 250px;
  margin: -4px 0 0;
  font-size: clamp(23px, 3vw, 34px);
  line-height: 0.98;
  letter-spacing: -0.055em;
  text-align: right;
}

.result-heatmap {
  position: relative;
  height: 150px;
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid var(--ink);
  background:
    linear-gradient(to right, transparent 24.8%, var(--dark-line) 25%, transparent 25.2%),
    linear-gradient(to right, transparent 49.8%, var(--dark-line) 50%, transparent 50.2%),
    linear-gradient(to right, transparent 74.8%, var(--dark-line) 75%, transparent 75.2%),
    #ebe8de;
}

#result-heatmap-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.result-map-window {
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 0;
  pointer-events: none;
}

.result-user-window {
  border: 2px solid var(--ink);
  background: repeating-linear-gradient(
    -45deg,
    rgba(17, 17, 15, 0.02) 0 5px,
    rgba(17, 17, 15, 0.16) 5px 7px
  );
}

.result-crowd-window {
  border: 3px solid var(--coral);
  background: rgba(255, 92, 53, 0.18);
  box-shadow: 0 0 0 1px rgba(255, 253, 246, 0.75) inset;
}

.result-card.reveal-in .result-heatmap {
  animation: mapReveal 800ms 180ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.result-map-legend {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--ink);
  border-top: 0;
}

.result-map-legend > div {
  position: relative;
  min-width: 0;
  padding: 13px 12px 12px 31px;
}

.result-map-legend > div + div {
  border-left: 1px solid var(--ink);
}

.legend-swatch {
  position: absolute;
  top: 15px;
  left: 11px;
  width: 11px;
  height: 11px;
}

.user-swatch {
  border: 2px solid var(--ink);
  background: transparent;
}

.crowd-swatch {
  background: var(--coral);
}

.result-map-legend small,
.result-map-legend strong {
  display: block;
}

.result-map-legend small {
  margin-bottom: 5px;
  color: #6a675f;
  font: 8px var(--mono);
  text-transform: uppercase;
}

.result-map-legend strong {
  overflow: hidden;
  font: 600 11px var(--mono);
  letter-spacing: -0.04em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#source-note {
  margin: 13px 0 0;
  color: #6a675f;
  font-size: 11px;
  line-height: 1.55;
}

.result-actions {
  margin-top: 25px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.secondary-button {
  min-height: 44px;
  justify-content: center;
  border: 1px solid var(--dark-line);
  background: transparent;
  font-size: 11px;
}

.secondary-button:hover {
  border-color: var(--ink);
}

.next-button {
  width: 100%;
  margin-top: 9px;
  background: var(--ink);
  color: var(--white);
}

.share-score-button,
.share-video-button {
  width: 100%;
  margin-top: 9px;
  border: 1px solid var(--ink);
}

.share-score-button {
  background: var(--acid);
  color: var(--ink);
}

.share-score-button:hover {
  background: var(--coral);
  color: var(--white);
}

.share-video-button {
  background: var(--acid);
  color: var(--ink);
  box-shadow: 5px 5px 0 rgba(223, 255, 0, 0.18);
  transition: background 150ms ease, color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
}

.share-video-button:hover {
  background: var(--coral);
  color: var(--ink);
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(223, 255, 0, 0.18);
}

.next-button:hover {
  background: var(--coral);
}

.share-status,
.waitlist-status {
  min-height: 16px;
  margin: 8px 0 0;
  color: var(--coral);
  font-size: 10px;
}

.share-status a {
  color: inherit;
  overflow-wrap: anywhere;
  text-underline-offset: 2px;
}

.waitlist-modal,
.tutorial-card,
.score-share-card {
  width: min(560px, 100%);
  padding: 38px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--white);
  box-shadow: 14px 14px 0 rgba(223, 255, 0, 0.22);
}

.score-share-card {
  position: relative;
  width: min(500px, 100%);
}

.score-share-backdrop {
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  margin: 0;
  border: 0;
}

.score-share-backdrop:not(:popover-open) {
  display: none;
}

.score-share-backdrop:popover-open {
  display: grid;
}

.score-share-backdrop::backdrop {
  background: rgba(4, 4, 4, 0.84);
  backdrop-filter: blur(12px);
}

.score-share-card h2 {
  margin: 12px 0 8px;
  font-size: clamp(40px, 6vw, 62px);
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.score-share-card > p {
  margin: 18px 0 0;
  color: #6a675f;
  font-size: 12px;
}

.score-share-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.score-share-close:hover {
  background: var(--ink);
  color: var(--white);
}

.social-share-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 28px;
}

.social-share-grid a,
.social-share-grid button {
  min-height: 58px;
  padding: 0 15px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.social-share-grid a:hover,
.social-share-grid button:hover {
  background: var(--acid);
}

.social-share-grid span {
  width: 25px;
  font: 500 18px var(--mono);
  text-align: center;
}

.score-share-status {
  min-height: 16px;
  color: var(--coral) !important;
  font: 10px var(--mono);
}

.modal-kicker {
  color: var(--coral);
}

.waitlist-modal h2,
.tutorial-card h2 {
  margin: 14px 0 22px;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.waitlist-modal h2 strong {
  color: var(--coral);
  font-family: var(--mono);
  font-size: 0.75em;
}

.waitlist-lead {
  margin: 0 0 24px;
  color: #6a675f;
  font-size: 14px;
  line-height: 1.55;
}

#waitlist-form label {
  display: block;
  margin-bottom: 7px;
  font: 500 9px var(--mono);
  text-transform: uppercase;
}

.email-row {
  display: grid;
  grid-template-columns: 1fr auto;
  border: 1px solid var(--ink);
  background: var(--white);
}

.email-row input {
  min-width: 0;
  padding: 15px;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
  font-size: 13px;
}

.email-row button {
  padding: 0 17px;
  border: 0;
  background: var(--acid);
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
}

.waitlist-success {
  padding: 20px 0 5px;
  text-align: center;
}

.waitlist-success > span {
  width: 56px;
  height: 56px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: var(--acid);
  font-size: 25px;
}

.waitlist-success h3 {
  margin: 16px 0 5px;
  font-size: 28px;
  letter-spacing: -0.04em;
}

.waitlist-success p {
  margin: 0;
  color: #6a675f;
  font-size: 12px;
}

.tutorial-steps {
  margin: 0 0 25px;
  display: grid;
  gap: 9px;
}

.tutorial-steps p {
  margin: 0;
  padding: 13px;
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--dark-line);
  font-size: 12px;
  line-height: 1.5;
}

.tutorial-steps b {
  color: var(--coral);
  font: 500 16px var(--mono);
}

[hidden] {
  display: none !important;
}

@keyframes pulse {
  50% { transform: scale(0.55); opacity: 0.4; }
}

@keyframes stageIn {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes backdropIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes resultEnter {
  from { opacity: 0; transform: translateY(28px) rotate(-1deg) scale(0.98); }
  to { opacity: 1; transform: translateY(0) rotate(0) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    transition-duration: 1ms !important;
  }
}

@media (max-width: 900px) {
  .challenge-stage {
    grid-template-columns: 1fr;
  }

  .video-column {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .moments-row {
    grid-template-columns: 1fr;
  }

  .moments-row .bookmark-button {
    margin: 24px 24px 0;
  }

  .saved-moments {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .guess-area {
    min-height: 440px;
  }
}

@media (max-width: 650px) {
  .site-header,
  main {
    width: min(100% - 24px, 1180px);
  }

  .site-header {
    height: 58px;
  }

  .header-stats {
    gap: 12px;
    font-size: 9px;
  }

  .header-stats > span:first-child {
    display: none;
  }

  .intro {
    padding: 34px 0 23px;
  }

  h1 {
    font-size: clamp(48px, 14vw, 70px);
  }

  .intro-copy {
    font-size: 12px;
  }

  .challenge-card {
    border-radius: 12px;
  }

  .challenge-topline {
    min-height: 58px;
    padding: 0 13px;
  }

  .difficulty-badge {
    min-width: 0;
    padding: 9px 11px;
    font-size: 10px;
  }

  .player-controls {
    right: 7px;
    bottom: 7px;
    left: 7px;
    min-height: 40px;
    padding: 5px;
    gap: 5px;
  }

  .jump-button,
  .speed-toggle {
    min-width: 36px;
    height: 28px;
    padding-inline: 6px;
    font-size: 9px;
  }

  .guess-area {
    min-height: 0;
    padding: 23px 15px 17px;
  }

  .guess-heading strong {
    font-size: 27px;
  }

  .timeline {
    height: 92px;
  }

  .moments-row .bookmark-button {
    margin: 16px 15px 0;
    min-height: 62px;
  }

  .saved-moments {
    padding: 16px 15px;
  }

  .submit-guess {
    margin-top: 20px;
  }

  .result-card {
    grid-template-columns: 1fr;
    box-shadow: 8px 8px 0 rgba(223, 255, 0, 0.22);
  }

  .result-score {
    min-height: 230px;
    padding: 26px;
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .result-score strong {
    font-size: 105px;
  }

  .result-detail,
  .waitlist-modal,
  .tutorial-card,
  .score-share-card {
    padding: 25px 20px;
  }

  .result-detail h2 {
    font-size: 28px;
  }

  .result-map-heading {
    align-items: center;
  }

  .result-heatmap {
    height: 132px;
  }

  .waitlist-modal,
  .tutorial-card,
  .score-share-card {
    box-shadow: 7px 7px 0 rgba(223, 255, 0, 0.22);
  }

  .waitlist-modal h2,
  .tutorial-card h2 {
    font-size: 38px;
  }

  .email-row {
    grid-template-columns: 1fr;
  }

  .social-share-grid {
    grid-template-columns: 1fr;
  }

  .email-row button {
    min-height: 48px;
  }
}

@keyframes mapReveal {
  from {
    clip-path: inset(0 100% 0 0);
  }
  to {
    clip-path: inset(0);
  }
}