/* fishcut landing (design C1: one accent). Dark only.
   The accent shows in four places only: one key phrase per heading (.key),
   the filled primary button, big numbers, and body links. One accent band
   (install) and the thin top band carry it as a surface. Everything else is
   gray steps. Corners: 0 (hairline cells, bands), 12px (screens, cards), pill. */

:root {
  color-scheme: dark;
  --accent: #c8ff3d;
  --accent-ink: #0b0b0f;
  --accent-text: #c8ff3d;
  --bg: #0b0b0f;
  --bg-1: #141419;
  --line: rgba(255, 255, 255, 0.1);
  --line-2: rgba(255, 255, 255, 0.22);
  --ink: #f5f5f7;
  --ink-2: #babac4;
  --ink-3: #9a9aa6;
  --font-ko: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --r: 12px;
  --r-pill: 999px;
  --h1: clamp(34px, 3.2vw + 18px, 64px);
  --h2: clamp(28px, 1.6vw + 20px, 44px);
  --h3: 20px;
  --wrap: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --header-h: 64px;
  --head-gap: 48px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* Base */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ko);
  font-size: 16px;
  line-height: 1.65;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
video,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

a {
  color: inherit;
  text-underline-offset: 3px;
}

button {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
dd,
figure,
pre {
  margin: 0;
}

ul,
ol {
  padding: 0;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

code {
  font-family: var(--font-mono);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.nowrap {
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: var(--r-pill);
  background: var(--ink);
  color: var(--bg);
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  top: 12px;
}

.wrap {
  width: min(100% - 2 * var(--gutter), var(--wrap));
  margin-inline: auto;
}

/* Title rule: Pretendard 700, -0.02em, 1.2. One key phrase per h1 and h2 in the accent. */

h1,
h2 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h3 {
  font-size: var(--h3);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.key {
  color: var(--accent-text);
  font-style: normal;
}

/* Big numbers: step numbers and shorts numbers */
.story-num,
.short-num {
  color: var(--accent-text);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

/* Body links */
.data-card a,
.limited-text a,
.doc-links a,
.doc a {
  color: var(--accent-text);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.data-card a:hover,
.limited-text a:hover,
.doc-links a:hover,
.doc a:hover {
  text-decoration-thickness: 2px;
}

/* Top band: the one-line label above the header */

.top-band {
  padding: 9px var(--gutter);
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  text-align: center;
  text-wrap: balance;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: var(--header-h);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.wordmark .mark {
  width: 16px;
  height: 28px;
  flex: none;
  color: var(--accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 13px;
  border-radius: var(--r-pill);
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.12s, color 0.12s;
}

.site-nav a:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.07);
}

.site-nav a[aria-current="page"] {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.1);
}

.nav-gh a {
  margin-left: 8px;
  color: var(--ink);
  border: 1px solid var(--line-2);
}

.nav-gh a:hover {
  border-color: var(--ink);
}

/* the language switch stands after a short hairline, apart from the page links */
.nav-lang {
  display: flex;
  align-items: center;
}

.nav-lang::before {
  content: "";
  width: 1px;
  height: 18px;
  margin: 0 8px 0 6px;
  background: var(--line-2);
}

/* a row that scrolls sideways fades a cut edge while more of it lies past that edge (main.js) */
.fade-start {
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 40px);
  mask-image: linear-gradient(90deg, transparent, #000 40px);
}

.fade-end {
  -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 40px), transparent);
  mask-image: linear-gradient(90deg, #000 calc(100% - 40px), transparent);
}

.fade-start.fade-end {
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 40px, #000 calc(100% - 40px), transparent);
  mask-image: linear-gradient(90deg, transparent, #000 40px, #000 calc(100% - 40px), transparent);
}

/* Buttons and small labels */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.14s var(--ease), background-color 0.14s, border-color 0.14s;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn-primary:hover {
  background: color-mix(in srgb, var(--accent) 90%, var(--ink));
  transform: translateY(-1px);
}

.btn-ghost {
  border-color: var(--line-2);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
}

.tag-ex {
  display: inline-block;
  padding: 1px 8px 2px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  vertical-align: 0.08em;
}

.yt-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 8px 2px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.5;
}

/* Sections: same padding, a full-width hairline between them */

.section {
  padding-block: clamp(72px, 8vw, 112px);
  border-top: 1px solid var(--line);
}

.section-head {
  max-width: 760px;
}

.section-head h2,
.data-intro h2 {
  font-size: var(--h2);
}

.section-desc {
  max-width: 640px;
  margin-top: 16px;
  text-wrap: pretty;
  color: var(--ink-2);
  font-size: clamp(16px, 0.25vw + 15px, 18px);
}

.icon-btn {
  display: grid;
  flex: none;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  background: transparent;
  cursor: pointer;
  transition: border-color 0.12s, opacity 0.12s;
}

.icon-btn:hover {
  border-color: var(--ink);
}

.icon-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.icon-btn svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 16px 0 14px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  background: transparent;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
}

.pill-btn:hover {
  border-color: var(--ink);
}

.pill-btn svg,
.motion-toggle svg,
.phone-play svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* pause and play glyph pairs: show the action the button will take */
.i-play {
  display: none;
}

.how.is-user-paused [data-reel-play] .i-play,
.phone-play .i-play,
.demo-figure.is-playing .phone-play .i-pause {
  display: inline;
}

.how.is-user-paused [data-reel-play] .i-pause,
.phone-play .i-pause,
.demo-figure.is-playing .phone-play .i-play {
  display: none;
}

/* Hairline cells: a grid whose 1px gaps and frame show the line color */

.hero-facts,
.ok-grid,
.shorts-grid,
.data-cards {
  display: grid;
  gap: 1px;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--line);
  list-style: none;
}

.hero-facts > li,
.ok-card,
.short-card,
.data-card {
  background: var(--bg);
}

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(44px, 4vw, 64px) clamp(64px, 7vw, 96px);
}

.hero-head {
  text-align: center;
}

.hero h1 {
  font-size: var(--h1);
}

.hero h1 .l1,
.hero h1 .l2 {
  display: block;
}

.hero-en {
  margin-top: 16px;
  text-wrap: balance;
  color: var(--ink-3);
  font-size: clamp(14px, 0.2vw + 13px, 16px);
  font-weight: 500;
}

.hero-body {
  max-width: 620px;
  margin: 10px auto 0;
  text-wrap: pretty;
  color: var(--ink-2);
  font-size: clamp(16px, 0.25vw + 15px, 18px);
}

.stage {
  --tile-w: clamp(104px, 6vw + 68px, 156px);
  --tile-h: calc(var(--tile-w) * 16 / 9);
  --tile-gap: clamp(10px, 1vw, 14px);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: clamp(32px, 3vw, 44px);
}

.wall-row {
  flex: none;
  width: 100%;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.track {
  display: flex;
  width: max-content;
  animation: wall-left 78s linear infinite;
}

.row-b .track {
  animation-name: wall-right;
  animation-duration: 90s;
}

@keyframes wall-left {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-50%, 0, 0);
  }
}

@keyframes wall-right {
  from {
    transform: translate3d(-50%, 0, 0);
  }
  to {
    transform: translate3d(0, 0, 0);
  }
}

.hero.is-offscreen .track,
.stage:has(.motion-input:checked) .track {
  animation-play-state: paused;
}

.tile {
  position: relative;
  flex: none;
  width: var(--tile-w);
  height: var(--tile-h);
  margin-right: var(--tile-gap);
  overflow: hidden;
  border-radius: var(--r);
  background: var(--bg-1);
}

.tile::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px var(--line);
  pointer-events: none;
}

.tile img,
.tile video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* browsers add native controls when scripting is off; the wall loops are decoration */
.tile video::-webkit-media-controls {
  display: none !important;
}

/* the composer covers the lower part of the top row and the upper part of the bottom row,
   so a text tile keeps its words in the part that stays in view */
.tile-s {
  display: flex;
  flex-direction: column;
  gap: calc(var(--tile-w) * 0.06);
  padding: 12px 12px 14px;
  color: var(--ink);
}

.row-b .tile-s {
  justify-content: flex-end;
}

.ts-k {
  color: var(--ink-3);
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.35;
}

.ts-big {
  font-size: calc(var(--tile-w) * 0.3);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}

.ts-s {
  color: var(--ink-2);
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.35;
}

.composer {
  position: relative;
  z-index: 2;
  width: min(100% - 2 * var(--gutter), 720px);
  margin: calc(var(--tile-h) * -0.4) 0 calc(var(--tile-h) * -0.22);
  padding: 16px 20px;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  background: var(--bg-1);
  box-shadow: 0 0 0 8px var(--bg), 0 32px 80px rgba(0, 0, 0, 0.7);
  text-align: left;
}

.composer-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
}

.composer-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-2);
  font-size: 13.5px;
  font-weight: 600;
}

.prompt-ico {
  color: var(--ink-3);
  font-family: var(--font-mono);
  font-weight: 500;
}

.agent-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 11px 4px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 600;
}

.composer-text {
  display: grid;
  margin-top: 12px;
  font-size: clamp(17px, 0.45vw + 14px, 21px);
  font-weight: 600;
  line-height: 1.55;
}

.composer-text > .ghost,
.composer-text > .typed {
  grid-area: 1 / 1;
}

.composer-text .ghost {
  visibility: hidden;
}

.tpl {
  font-family: var(--font-mono);
  font-size: 0.92em;
  font-weight: 500;
}

.caret {
  display: inline-block;
  width: 2px;
  height: 1.08em;
  margin-left: 3px;
  background: var(--ink);
  vertical-align: -0.17em;
  animation: blink 1.05s steps(1) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.composer-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

/* under the wall at the right edge of the content, so it never covers a tile's words */
.motion-toggle {
  position: relative;
  display: inline-flex;
  align-self: flex-end;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  margin: 14px max(var(--gutter), (100% - var(--wrap)) / 2) 0 0;
  padding: 0 16px 0 13px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  background: var(--bg);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.motion-toggle:hover {
  border-color: var(--ink);
}

.motion-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.motion-toggle:has(.motion-input:focus-visible) {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.motion-toggle:has(.motion-input:checked) .i-pause {
  display: none;
}

.motion-toggle:has(.motion-input:checked) .i-play {
  display: inline;
}

.motion-toggle:has(.motion-input:checked) {
  border-color: var(--ink);
}

.hero-facts {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(100% - 2 * var(--gutter), var(--wrap));
  margin: clamp(24px, 3vw, 40px) auto 0;
}

.hero-facts > li {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px 20px;
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
}

.hero-facts code {
  color: var(--ink);
  font-size: 13.5px;
}

/* Demo: editor window and finished short, same bottom edge */

.demo {
  --short-fr: 0.3516fr; /* short width = image height x 9/16, image is 16:10 */
  padding-block: 0 clamp(72px, 8vw, 112px);
}

.demo-visual,
.demo-caps {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, var(--short-fr));
  column-gap: clamp(12px, 2vw, 24px);
}

.demo-visual {
  align-items: end;
}

.window {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--bg-1);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 38px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
}

.dots {
  display: flex;
  gap: 7px;
}

.dots i {
  width: 11px;
  height: 11px;
  border-radius: var(--r-pill);
  background: #3b3b45;
}

.url {
  flex: 0 1 340px;
  margin-inline: auto;
  padding: 3px 12px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 12.5px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
}

.phone {
  position: relative;
}

.phone-screen {
  position: relative;
  overflow: hidden;
  aspect-ratio: 9 / 16;
  border-radius: var(--r);
  background: #000;
}

.phone-screen::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px var(--line);
  pointer-events: none;
}

.phone-screen img,
.phone-screen video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.phone-screen video {
  opacity: 0;
  transition: opacity 0.25s;
}

.demo-figure.is-playing .phone-screen video {
  opacity: 1;
}

.phone-play {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding: 0 16px 0 13px;
  border: 0;
  border-radius: var(--r-pill);
  background: var(--ink);
  color: var(--bg);
  font-size: 14px;
  font-weight: 700;
  transform: translateX(-50%);
  cursor: pointer;
}

.demo-caps {
  margin-top: 20px;
}

.demo-caps p {
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.65;
}

.demo-caps strong {
  color: var(--ink);
}

/* How it works: story reel */

.how-side {
  width: min(100% - 2 * var(--gutter), var(--wrap));
  margin-inline: auto;
}

.reel-progress {
  display: flex;
  gap: clamp(10px, 1.6vw, 22px);
  margin-top: 36px;
}

.seg-group {
  flex: var(--n) 1 0;
  min-width: 0;
}

.seg-label {
  display: block;
  overflow: hidden;
  margin-bottom: 2px;
  color: var(--ink-3);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.seg-group:has(.seg.is-current) .seg-label {
  color: var(--ink);
  font-weight: 700;
}

.segs {
  display: flex;
  gap: 5px;
}

.seg {
  display: flex;
  flex: 1;
  align-items: center;
  height: 24px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

.seg i {
  position: relative;
  display: block;
  width: 100%;
  height: 3px;
  overflow: hidden;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.16);
  transition: background-color 0.2s;
}

.seg:hover i {
  background: rgba(255, 255, 255, 0.32);
}

.seg i::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
}

.seg.is-done i::after,
.seg.is-current i::after {
  transform: scaleX(1);
}

.seg.is-current.is-running i::after {
  animation: seg-fill 6s linear forwards;
}

.how.is-paused .seg.is-running i::after {
  animation-play-state: paused;
}

@keyframes seg-fill {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.reel-ctrl {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
}

.reel-count {
  margin-left: 8px;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.reel {
  min-width: 0;
  margin-top: 6px;
}

.reel-track {
  --card-w: clamp(272px, 78vw, 360px);
  position: relative;
  display: flex;
  gap: 16px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scroll-padding-left: var(--gutter);
  padding: 22px var(--gutter) 30px;
  list-style: none;
}

.reel-track:focus-visible {
  outline-offset: -3px;
  border-radius: var(--r);
}

.how.is-enhanced .reel-track {
  scrollbar-width: none;
}

.how.is-enhanced .reel-track::-webkit-scrollbar {
  display: none;
}

/* number and group on top, the screen flush below, then the text */
.story {
  position: relative;
  display: grid;
  flex: none;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto auto 1fr;
  grid-template-areas:
    "num group"
    "media media"
    "title title"
    "text text";
  width: var(--card-w);
  /* stays portrait; the tallest step sets the shared height */
  min-height: calc(var(--card-w) * 3 / 2);
  padding-bottom: 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--bg-1);
  scroll-snap-align: start;
}

.how.is-enhanced .story {
  transform: scale(0.965);
  transform-origin: 50% 0;
  transition: transform 0.35s var(--ease), border-color 0.35s;
  cursor: pointer;
}

.how.is-enhanced .story .crop,
.how.is-enhanced .story .chat {
  opacity: 0.5;
  transition: opacity 0.35s;
}

.how.is-enhanced .story.is-active {
  border-color: rgba(255, 255, 255, 0.42);
  transform: none;
  cursor: default;
}

.how.is-enhanced .story.is-active .crop,
.how.is-enhanced .story.is-active .chat {
  opacity: 1;
}

.story-num {
  grid-area: num;
  padding: 18px 0 16px 18px;
}

.story-group {
  grid-area: group;
  align-self: center;
  justify-self: end;
  padding-right: 18px;
  color: var(--ink-3);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  text-align: right;
}

.story-media {
  grid-area: media;
}

.story-media figcaption {
  margin: 10px 18px 0;
  color: var(--ink-3);
  font-size: 13px;
  line-height: 1.55;
}

.story h3 {
  grid-area: title;
  margin: 16px 18px 0;
}

.story-text {
  grid-area: text;
  margin: 8px 18px 0;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.62;
}

@media (min-width: 1100px) {
  .how-layout {
    display: grid;
    grid-template-columns: minmax(0, 330px) minmax(0, 1fr);
    align-items: start;
    column-gap: clamp(40px, 4vw, 64px);
    padding-left: max(var(--gutter), calc((100% - var(--wrap)) / 2));
  }

  .how-side {
    width: auto;
    margin: 0;
    padding-top: 22px;
  }

  .reel-progress {
    flex-direction: column;
    gap: 14px;
    margin-top: 40px;
  }

  .seg-group {
    flex: none;
  }

  .seg {
    flex: 0 0 calc((100% - 10px) / 3);
  }

  .reel {
    margin-top: 0;
  }

  .reel-track {
    padding: 22px max(var(--gutter), calc((100vw - var(--wrap)) / 2)) 30px 8px;
    scroll-padding-left: 8px;
  }
}

/* screens inside a story sit flush with the card edges */
.crop {
  --cw: 735;
  --ch: 600;
  position: relative;
  overflow: hidden;
  aspect-ratio: var(--cw) / var(--ch);
  border-block: 1px solid var(--line);
  background: #0d0d10;
}

.crop img {
  position: absolute;
  top: calc(var(--cy) / var(--ch) * -100%);
  left: calc(var(--cx) / var(--cw) * -100%);
  width: calc(2000 / var(--cw) * 100%);
  max-width: none;
}

.chat {
  padding: 14px 16px;
  border-block: 1px solid var(--line);
  background: var(--bg);
}

.chat-req {
  padding: 10px 12px;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.5;
}

.chat-log {
  display: grid;
  gap: 4px;
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.45;
}

.chat-log div {
  display: grid;
  grid-template-columns: 7.2em minmax(0, 1fr);
  gap: 8px;
}

.chat-log dt {
  color: var(--ink-3);
}

.chat-log dt::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 6px;
  border-radius: var(--r-pill);
  background: var(--ink-3);
  vertical-align: 0.15em;
}

.chat-log dd {
  color: var(--ink-2);
}

/* the one human step reads brighter and heavier, not in another color */
.chat-log .by-human dt {
  color: var(--ink);
  font-weight: 700;
}

.chat-log .by-human dt::before {
  background: var(--ink);
}

.chat-log .by-human dd {
  color: var(--ink);
  font-weight: 700;
}

.chat-log .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  overflow-wrap: anywhere;
}

/* Human decisions: four hairline cells */

.ok-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: var(--head-gap);
}

.ok-card {
  display: flex;
  flex-direction: column;
  padding: 24px 24px 28px;
}

.ok-visual {
  position: relative;
  display: flex;
  align-items: center;
  height: 96px;
  margin-bottom: 22px;
  padding: 0 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--bg-1);
}

.mock-btn {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 16px;
  border-radius: var(--r-pill);
  background: #ececf0;
  color: #111114;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.ok-visual .cursor {
  position: relative;
  left: -14px;
  top: 16px;
  flex: none;
  width: 24px;
  height: 24px;
  fill: #fff;
  stroke: #0b0b0f;
  stroke-width: 1.4;
  stroke-linejoin: round;
}

.ok-card p {
  margin-top: 8px;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.6;
}

/* Real shorts: three hairline cells, number above each poster */

.shorts-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: var(--head-gap);
}

/* keeps the hidden "(새 창)" text inside the scrolling row on phones */
.short-card {
  position: relative;
  padding: 28px 24px 30px;
}

.short-card a {
  display: block;
  width: min(100%, 300px);
  margin-inline: auto;
  color: inherit;
  text-decoration: none;
}

.short-card a:focus-visible {
  outline-offset: 8px;
}

.short-num {
  display: block;
  margin-bottom: 16px;
}

.short-media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 9 / 16;
  border-radius: var(--r);
  background: #000;
  transition: transform 0.3s var(--ease);
}

.short-media::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px var(--line);
  transition: box-shadow 0.3s;
  pointer-events: none;
}

.short-card a:hover .short-media,
.short-card a:focus-visible .short-media {
  transform: translateY(-6px);
}

.short-card a:hover .short-media::after,
.short-card a:focus-visible .short-media::after {
  box-shadow: inset 0 0 0 2px var(--ink);
}

.short-media img,
.short-media video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.short-media video {
  opacity: 0;
  transition: opacity 0.2s;
}

.short-card.is-playing .short-media video {
  opacity: 1;
}

.short-title {
  display: block;
  margin-top: 20px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.short-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 600;
}

.short-card a:hover .short-meta {
  color: var(--ink);
}

.channel-line {
  margin-top: 40px;
  text-align: center;
}

.channel-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px 0 14px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  font-weight: 700;
  text-decoration: none;
}

.channel-link:hover {
  border-color: var(--ink);
}

/* Behind the scenes carousel */

.behind-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.carousel-btns {
  display: flex;
  gap: 8px;
}

.behind-track {
  display: flex;
  gap: clamp(16px, 2vw, 24px);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding: var(--head-gap) max(var(--gutter), calc((100% - var(--wrap)) / 2)) 8px;
  scroll-padding-inline: max(var(--gutter), calc((100% - var(--wrap)) / 2));
}

.behind-track:focus-visible {
  outline-offset: -3px;
}

.behind-track.is-draggable {
  cursor: grab;
}

.behind-track.is-dragging {
  cursor: grabbing;
  scroll-snap-type: none;
  user-select: none;
}

.behind-card {
  flex: none;
  width: clamp(280px, 52vw, 680px);
  scroll-snap-align: start;
}

.shot {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: #000;
}

.shot img {
  width: 100%;
  -webkit-user-drag: none;
  user-select: none;
}

.behind-card figcaption {
  max-width: 620px;
  margin-top: 14px;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.65;
}

.behind-card figcaption strong {
  color: var(--ink);
}

/* YouTube connection and data (calm) */

.data-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  align-items: start;
  gap: clamp(32px, 5vw, 72px);
}

.calm-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 600;
}

.data-intro > p:not(.calm-label) {
  margin-top: 16px;
  color: var(--ink-2);
  font-size: 16.5px;
  line-height: 1.75;
}

.data-intro .yt-note {
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 15px;
}

.table-box {
  padding: 22px 24px 8px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--bg-1);
}

.scope-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15.5px;
  line-height: 1.65;
}

.scope-table caption {
  padding-bottom: 12px;
  font-size: 15px;
  font-weight: 700;
  text-align: left;
}

.scope-table th,
.scope-table td {
  padding: 14px 12px 14px 0;
  border-top: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.scope-table thead th {
  padding-top: 0;
  border-top: 0;
  color: var(--ink-3);
  font-size: 13px;
  font-weight: 600;
}

.scope-table tbody th {
  font-weight: 500;
  white-space: nowrap;
}

.scope-table td {
  color: var(--ink-2);
}

.scope-table code {
  color: var(--ink);
  font-size: 14px;
}

.data-cards {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: var(--head-gap);
}

.data-card {
  padding: 24px 24px 28px;
}

.data-card svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: var(--ink-2);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.data-card h3 {
  margin-top: 16px;
}

.data-card p {
  margin-top: 8px;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.68;
}

/* shares the bottom line of the cells above it */
.limited {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1px;
  border: 1px solid var(--line);
  border-top: 0;
  background: var(--line);
}

.limited > * {
  padding: 24px;
  background: var(--bg);
}

.limited-text p {
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.7;
}

.limited-text p + p {
  margin-top: 10px;
  color: var(--ink-3);
  font-size: 14px;
}

.doc-links {
  min-width: 220px;
}

.doc-links p {
  color: var(--ink-3);
  font-size: 13px;
  font-weight: 600;
}

.doc-links ul {
  display: grid;
  gap: 4px;
  margin-top: 8px;
  list-style: none;
}

.doc-links a {
  font-size: 15px;
  font-weight: 600;
}

/* Install: the one accent band. Text and controls on it use the accent ink;
   the two code blocks are dark screens laid on the band. */

.install {
  border-top: 0;
  background: var(--accent);
  color: var(--accent-ink);
}

.install :focus-visible {
  outline-color: var(--accent-ink);
}

.install .section-desc {
  color: var(--accent-ink);
}

/* the band's own call to action: an accent-ink button that shows the band color in its words */
.btn-band {
  margin-top: 28px;
  background: var(--accent-ink);
  color: var(--accent);
}

.btn-band:hover {
  transform: translateY(-1px);
}

.install-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  align-items: start;
  gap: clamp(32px, 5vw, 72px);
}

.code-card {
  margin-top: 28px;
  overflow: hidden;
  border-radius: var(--r);
  background: var(--bg);
  color: var(--ink);
}

.code-card :focus-visible {
  outline-color: var(--accent);
}

.code-card + .code-card {
  margin-top: 12px;
}

.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  padding: 8px 10px 8px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 13.5px;
  font-weight: 600;
}

.copy-btn {
  min-height: 34px;
  padding: 0 14px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  background: transparent;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.copy-btn:hover,
.copy-btn.is-done {
  border-color: var(--ink);
}

.code-card pre {
  padding: 18px 18px 20px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.75;
}

.code-card.prompt pre {
  font-family: var(--font-ko);
  font-size: clamp(16px, 0.4vw + 14px, 19px);
  font-weight: 600;
  line-height: 1.6;
  white-space: pre-wrap;
}

.url-chip {
  font-family: var(--font-mono);
  font-size: 0.9em;
  font-weight: 500;
  overflow-wrap: anywhere;
}

.ln::before {
  content: "$ " / "";
  color: var(--ink-3);
}

.yt-steps {
  padding-top: 6px;
}

.yt-steps ol {
  display: grid;
  margin-top: 18px;
  border-bottom: 1px solid color-mix(in srgb, var(--accent-ink) 24%, transparent);
  list-style: none;
  counter-reset: yt;
}

.yt-steps li {
  position: relative;
  padding: 16px 0 16px 52px;
  border-top: 1px solid color-mix(in srgb, var(--accent-ink) 24%, transparent);
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.6;
  counter-increment: yt;
}

.yt-steps li::before {
  content: counter(yt, decimal-leading-zero) / "";
  position: absolute;
  left: 0;
  top: 13px;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.yt-steps code {
  padding: 1px 6px;
  background: color-mix(in srgb, var(--accent-ink) 10%, transparent);
  font-size: 13.5px;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

/* a phrase moves to the next line whole when it fits there, and wraps inside only when it does not */
.unit {
  display: inline-block;
}

/* the particle after a command stays on the command's last line; the command itself may wrap at spaces */
.keep {
  white-space: nowrap;
}

.keep > code {
  white-space: normal;
}

/* FAQ */

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 48px;
  margin-top: var(--head-gap);
}

.faq-item {
  padding: 24px 0 26px;
  border-top: 1px solid var(--line);
}

.faq-item h3 {
  font-size: 18px;
  line-height: 1.45;
}

.faq-item p {
  margin-top: 8px;
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.72;
}

/* Footer */

.site-footer {
  padding-block: 64px 40px;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
}

.footer-brand p {
  margin-top: 14px;
  color: var(--ink-2);
  font-size: 15px;
}

.footer-links ul {
  display: grid;
  gap: 6px;
  list-style: none;
}

.footer-links a {
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}

.footer-links a:hover,
.footer-meta a:hover,
.footer-links a[aria-current="page"] {
  text-decoration: underline;
}

.footer-meta p {
  color: var(--ink-2);
  font-size: 15px;
}

.footer-meta p + p {
  margin-top: 6px;
}

.footer-meta a {
  color: var(--ink);
  font-weight: 600;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 13.5px;
}

/* Document pages (privacy, terms, how-it-works): calm reading */

.doc-main {
  padding-block: clamp(40px, 6vw, 80px) clamp(72px, 9vw, 120px);
}

.doc-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 760px);
  justify-content: center;
  gap: clamp(32px, 5vw, 72px);
}

.doc-side {
  position: sticky;
  top: calc(var(--header-h) + 32px);
  align-self: start;
}

.doc-side-title {
  color: var(--ink-3);
  font-size: 13px;
  font-weight: 600;
}

.doc-side ul {
  display: grid;
  margin-top: 10px;
  border-top: 1px solid var(--line);
  list-style: none;
}

.doc-side li {
  border-bottom: 1px solid var(--line);
}

.doc-side a {
  display: block;
  padding: 10px 12px;
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}

.doc-side a:hover {
  color: var(--ink);
}

.doc-side a[aria-current="page"] {
  background: var(--bg-1);
  color: var(--ink);
  box-shadow: inset 2px 0 0 var(--ink);
}

.doc-back {
  display: inline-block;
  margin-top: 18px;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 600;
}

.doc {
  min-width: 0;
  font-size: 17px;
  line-height: 1.8;
}

.doc h1 {
  font-size: clamp(32px, 2.4vw + 18px, 48px);
}

.doc .lede {
  margin-top: 22px;
  color: var(--ink-2);
  font-size: clamp(17px, 0.3vw + 16px, 19px);
  line-height: 1.75;
}

.doc .meta {
  margin-top: 12px;
  color: var(--ink-3);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.doc .meta time {
  white-space: nowrap;
}

.doc .toc {
  margin-top: 32px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--bg-1);
}

.doc .toc::before {
  content: "목차";
  display: block;
  margin-bottom: 8px;
  color: var(--ink-3);
  font-size: 13px;
  font-weight: 600;
}

.doc .toc:lang(en)::before {
  content: "Contents";
}

.doc .toc ol {
  padding-left: 1.4em;
  columns: 2;
  column-gap: 36px;
  font-size: 15.5px;
  line-height: 1.6;
}

.doc .toc li {
  break-inside: avoid;
  padding-block: 3px;
}

/* the table of contents is navigation, not a body link */
.doc .toc a {
  color: var(--ink-2);
  text-decoration: none;
}

.doc .toc a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.doc h2 {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: clamp(23px, 0.6vw + 20px, 28px);
  line-height: 1.35;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.doc h3 {
  margin-top: 0;
  font-size: 19px;
  line-height: 1.45;
}

.doc p,
.doc ul,
.doc ol,
.doc dl,
.doc table,
.doc figure,
.doc aside,
.doc .diagram {
  margin-top: 16px;
}

.doc ul,
.doc ol {
  padding-left: 1.4em;
}

.doc li + li {
  margin-top: 6px;
}

/* scope names and commands stay whole; a table column grows to fit them */
.doc code {
  padding: 0.08em 0.38em;
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.86em;
  white-space: nowrap;
}

@media (max-width: 359px) {
  .doc code {
    white-space: normal;
    overflow-wrap: anywhere;
  }
}

.doc strong {
  color: var(--ink);
}

.doc dt {
  margin-top: 14px;
  font-weight: 700;
}

.doc dd {
  color: var(--ink-2);
}

.doc ol.steps {
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.doc ol.steps > li {
  position: relative;
  margin-top: 0;
  padding: 22px 0 22px 64px;
  border-top: 1px solid var(--line);
  counter-increment: step;
}

.doc ol.steps > li::before {
  content: counter(step, decimal-leading-zero) / "";
  position: absolute;
  left: 0;
  top: 22px;
  color: var(--accent-text);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.doc ol.steps > li > p {
  margin-top: 8px;
  color: var(--ink-2);
}

.doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.65;
}

.doc th,
.doc td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.doc thead th {
  border-bottom: 1px solid var(--line-2);
  background: var(--bg-1);
  font-size: 14px;
  font-weight: 700;
}

.doc td {
  color: var(--ink-2);
}

.doc figure img {
  border: 1px solid var(--line);
  border-radius: var(--r);
}

.doc figcaption {
  margin-top: 10px;
  color: var(--ink-3);
  font-size: 14.5px;
  line-height: 1.6;
}

.doc aside.note {
  padding: 14px 18px;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  background: var(--bg-1);
}

.doc aside.note p {
  margin-top: 0;
  color: var(--ink);
  font-size: 15.5px;
}

.doc blockquote {
  margin: 16px 0 0;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--bg-1);
}

.doc blockquote p {
  margin-top: 0;
}

.doc blockquote p + p {
  margin-top: 10px;
  color: var(--ink-3);
  font-size: 15px;
  overflow-wrap: anywhere;
}

.doc .diagram {
  overflow-x: auto;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--bg-1);
  color: var(--ink);
}

.doc .diagram svg {
  width: 100%;
  min-width: 600px;
  height: auto;
}

.doc .diagram .box rect {
  fill: var(--bg);
}

.doc .diagram .box-main rect {
  stroke: var(--ink);
  fill: var(--bg);
}

.doc .diagram .box:not(.box-main) rect {
  stroke: var(--ink-3);
}

.doc .diagram .edge path {
  stroke: var(--ink-2);
}

.doc .diagram .nobox rect {
  stroke: var(--ink-3);
}

/* Responsive */

@media (max-width: 1100px) {
  .ok-grid,
  .data-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  /* keeps the one-row header, language switch included, down to 761px */
  .site-nav a {
    padding: 0 10px;
  }

  /* narrower tiles wrap their captions to three lines; the composer covers less of the top row */
  .composer {
    margin-top: calc(var(--tile-h) * -0.3);
  }
}

@media (max-width: 900px) {
  .data-grid,
  .install-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .limited {
    grid-template-columns: minmax(0, 1fr);
  }

  .doc-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .doc-side {
    position: static;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 10px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
  }

  .doc-side ul {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 0;
    border-top: 0;
  }

  .doc-side li {
    border-bottom: 0;
  }

  .doc-side a {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: var(--r-pill);
    font-size: 14px;
  }

  .doc-side a[aria-current="page"] {
    border-color: var(--ink);
    box-shadow: none;
  }

  .doc-side .doc-back {
    display: none;
  }
}

@media (max-width: 760px) {
  html {
    scroll-padding-top: 12px;
  }

  .site-header {
    position: relative;
  }

  /* two rows: the wordmark with the language switch and GitHub, then the page links on one line */
  .header-inner {
    flex-wrap: wrap;
    row-gap: 0;
    padding-block: 6px 4px;
  }

  .wordmark {
    min-height: 44px;
  }

  .site-nav {
    width: calc(100% + 6px + var(--gutter));
    margin: 0 calc(var(--gutter) * -1) 0 -6px;
  }

  .site-nav ul {
    gap: 0;
  }

  /* a longer translation scrolls sideways out to the screen edge instead of adding a row */
  .nav-pages {
    min-width: 0;
    padding-right: calc(var(--gutter) - 6px);
    overflow-x: auto;
    scrollbar-width: none;
  }

  .nav-pages::-webkit-scrollbar {
    display: none;
  }

  .site-nav a {
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    padding: 0 6px;
    font-size: 14px;
    white-space: nowrap;
  }

  .nav-pages a:focus-visible {
    outline-offset: -3px;
  }

  .nav-tools {
    position: absolute;
    top: 6px;
    right: 0;
  }

  .nav-lang::before {
    display: none;
  }

  .nav-gh a {
    margin-left: 4px;
    padding: 0 14px;
  }

  .doc h2 {
    scroll-margin-top: 12px;
  }

  .doc table {
    font-size: 14px;
  }

  .doc th,
  .doc td {
    padding: 10px 8px;
  }

  .composer {
    margin: calc(var(--tile-h) * -0.2) 0;
    padding: 16px;
  }

  /* the smallest tiles hold a two-line label and a three-line caption clear of the composer */
  .tile-s {
    padding: 11px 10px 12px;
  }

  .ts-k,
  .ts-s {
    font-size: 12px;
  }

  .composer-foot {
    justify-content: stretch;
  }

  .composer-foot .btn {
    flex: 1 1 auto;
  }

  .composer-foot .btn-primary {
    order: -1;
  }

  .hero-facts {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-facts > li {
    padding: 14px 16px;
  }

  /* editor on top; the short and both captions share the row below */
  .demo-figure {
    display: grid;
    grid-template-columns: minmax(0, 0.44fr) minmax(0, 0.56fr);
    gap: 16px 14px;
  }

  .demo-visual {
    display: contents;
  }

  .window {
    grid-column: 1 / -1;
  }

  /* a longer caption beside it must not stretch the phone, or the play button drops below the screen */
  .phone {
    align-self: start;
  }

  .demo-caps {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 14px;
    align-self: start;
    margin-top: 0;
  }

  .demo-caps p {
    font-size: 14px;
    line-height: 1.6;
  }

  .window-bar {
    height: 28px;
    gap: 10px;
    padding: 0 10px;
  }

  .dots i {
    width: 8px;
    height: 8px;
  }

  .dots {
    gap: 5px;
  }

  .url {
    font-size: 10.5px;
    padding: 1px 8px;
  }

  .seg-group {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
  }

  .seg-label {
    font-size: 11.5px;
    line-height: 1.35;
    white-space: normal;
  }

  .reel-progress {
    gap: 8px;
  }

  .ok-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  /* cells become a scrolling row; each cell draws its own side lines */
  .shorts-grid {
    display: flex;
    gap: 0;
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: var(--gutter);
    border-inline: 0;
    background: transparent;
  }

  .short-card {
    flex: none;
    width: min(72vw, 280px);
    padding: 22px 18px 24px;
    border-left: 1px solid var(--line);
    scroll-snap-align: start;
  }

  .short-card:last-child {
    border-right: 1px solid var(--line);
  }

  .data-cards,
  .faq-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .table-box {
    padding: 18px 16px 4px;
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .doc .toc ol {
    columns: 1;
  }

  /* Touch: links and buttons get a 44px target; thin bars keep their look and grow an invisible margin */
  .seg {
    height: 44px;
    margin-block: -10px;
  }

  .code-head {
    padding-block: 4px;
  }

  .copy-btn {
    min-height: 44px;
  }

  .doc .toc li {
    padding-block: 0;
  }

  .doc .toc li + li {
    margin-top: 0;
  }

  .doc .toc a,
  .footer-links a,
  .doc-links a {
    display: inline-flex;
    align-items: center;
    min-width: 44px;
    min-height: 44px;
  }

  .footer-links ul,
  .doc-links ul {
    gap: 0;
  }
}

@media (max-width: 380px) {
  .code-card pre {
    padding-inline: 16px;
    font-size: 13.5px;
  }

  /* the longer English label of the auto-advance button stays on the row with the counter */
  .reel-ctrl {
    gap: 6px;
  }

  .pill-btn {
    gap: 6px;
    padding: 0 12px 0 11px;
  }

  .reel-count {
    margin-left: 2px;
  }

  .channel-link {
    padding: 0 16px 0 12px;
    font-size: 15px;
  }
}

/* Reduced motion: static poster rows, no auto movement */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .track {
    animation: none;
  }

  /* .row-b .track names its own animation, so .track above does not stop it */
  .row-b .track {
    animation: none;
    transform: translateX(calc((var(--tile-w) + var(--tile-gap)) / -2));
  }

  .motion-toggle,
  .caret {
    display: none;
  }

  .seg.is-current.is-running i::after {
    animation: none;
  }

  .short-media,
  .short-media::after,
  .how.is-enhanced .story,
  .btn {
    transition: none;
  }

  .short-card a:hover .short-media,
  .short-card a:focus-visible .short-media {
    transform: none;
  }
}