:root {
  --night: #13203f;
  --night-deep: #0c1630;
  --night-line: #26365f;
  --moon: #f59e2e;
  --moon-soft: #ffd9a0;
  --star: #e9edf7;
  --star-dim: #9aa6c4;
  --paper: #eef1f6;
  --paper-line: #d5dbe6;
  --ink: #18223a;
  --ink-muted: #5b6680;
  --link: #9a5a00;

  --display: ui-rounded, "Nunito", system-ui, sans-serif;
  --text: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --measure: 34rem;
  color-scheme: light dark;
}

/* The header is always night. In dark mode the rest of the page follows it. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f1a35;
    --paper-line: #24335a;
    --ink: #e4e9f4;
    --ink-muted: #98a3bf;
    --link: #f7b45a;
  }
}
:root[data-theme="dark"] {
  --paper: #0f1a35;
  --paper-line: #24335a;
  --ink: #e4e9f4;
  --ink-muted: #98a3bf;
  --link: #f7b45a;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 var(--text);
}

a { color: var(--link); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 3px solid var(--moon); outline-offset: 3px; border-radius: 6px; }

kbd {
  font: 600 0.82em var(--text);
  padding: 0.1em 0.45em;
  border: 1px solid currentColor;
  border-bottom-width: 2px;
  border-radius: 5px;
  opacity: 0.85;
}

.paper code { font: 0.9em ui-monospace, "SF Mono", Menlo, monospace; }

/* ---------------------------------------------------------------- night */

.night {
  background:
    radial-gradient(60rem 30rem at 85% -10%, #1f3466 0%, transparent 60%),
    var(--night);
  color: var(--star);
  padding: 0 16px 72px;
}

.night a { color: var(--moon-soft); }

.bar {
  max-width: 72rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--star) !important;
  text-decoration: none;
  font: 800 1.05rem var(--display);
  letter-spacing: 0.01em;
}
.brand img { border-radius: 8px; }

.quiet-link { font-size: 0.92rem; color: var(--star-dim) !important; }

.hero {
  max-width: 72rem;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 27rem) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
  padding-top: 40px;
}

.icon {
  display: block;
  width: 112px;
  height: 112px;
  margin-bottom: 28px;
  filter: drop-shadow(0 18px 30px rgba(3, 8, 24, 0.55));
}

h1 {
  font: 800 clamp(2.3rem, 4.6vw, 3.4rem) / 1.04 var(--display);
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  text-wrap: balance;
}

.lede {
  font-size: 1.15rem;
  color: #c9d1e6;
  margin: 0 0 32px;
  max-width: var(--measure);
}

.get { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }

.download {
  display: inline-block;
  background: var(--moon);
  color: #1d1300 !important;
  font: 800 1.08rem var(--display);
  text-decoration: none;
  padding: 15px 28px;
  border-radius: 999px;
  box-shadow: 0 10px 30px -8px rgba(245, 158, 46, 0.55);
  transition: transform 120ms ease, box-shadow 120ms ease;
}
.download:hover { transform: translateY(-1px); box-shadow: 0 14px 34px -8px rgba(245, 158, 46, 0.7); }
.download:active { transform: translateY(1px); }

.brew {
  display: flex;
  align-items: center;
  width: max-content;
  background: var(--night-deep);
  border: 1px solid var(--night-line);
  border-radius: 12px;
  padding: 4px 4px 4px 14px;
  gap: 10px;
}
.brew code {
  font: 0.8rem ui-monospace, "SF Mono", Menlo, monospace;
  color: var(--star);
  white-space: nowrap;
}
.copy {
  flex: none;
  font: 600 0.82rem var(--text);
  color: var(--star);
  background: var(--night-line);
  border: 0;
  border-radius: 8px;
  padding: 7px 12px;
  cursor: pointer;
}
.copy:hover { background: #33477a; }

.fine { color: var(--star-dim); font-size: 0.9rem; margin: 22px 0 0; max-width: var(--measure); }

/* ---------------------------------------------------------------- player */

.player { margin: 0; }

.samples {
  display: inline-flex;
  background: var(--night-deep);
  border: 1px solid var(--night-line);
  border-radius: 12px;
  padding: 3px;
  margin-bottom: 14px;
  max-width: 100%;
  overflow-x: auto;
}
.samples button {
  font: 700 0.92rem var(--display);
  color: var(--star-dim);
  background: none;
  border: 0;
  border-radius: 9px;
  padding: 8px 16px;
  cursor: pointer;
  white-space: nowrap;
}
.samples button[aria-selected="true"] { background: var(--night-line); color: var(--star); }

.stage {
  position: relative;
  aspect-ratio: 10 / 3;
  border-radius: 16px;
  overflow: hidden;
  background: var(--night-deep);
  border: 1px solid var(--night-line);
  cursor: pointer;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.spec {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: fill;
  pointer-events: none;
}
.spec.before { opacity: 0; transition: opacity 90ms linear; }
.player.original .spec.before { opacity: 1; }

.axis span {
  position: absolute;
  left: 10px;
  transform: translateY(100%);
  font: 600 0.7rem var(--text);
  color: rgba(233, 237, 247, 0.55);
  padding-top: 2px;
  border-top: 1px solid rgba(233, 237, 247, 0.22);
  width: 46px;
}
.axis span:first-child { transform: translateY(calc(100% + 2px)); border-top: 0; }

.playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  margin-left: -1px;
  background: var(--star);
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.6);
  opacity: 0;
  pointer-events: none;
}
.player.started .playhead { opacity: 1; }

.which {
  position: absolute;
  right: 12px;
  top: 10px;
  margin: 0;
  font: 800 0.8rem var(--display);
  letter-spacing: 0.02em;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(245, 158, 46, 0.92);
  color: #1d1300;
}
.player.original .which { background: rgba(154, 166, 196, 0.92); color: #0c1630; }

.controls {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 14px;
}

.play {
  flex: none;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 0;
  background: var(--star);
  color: var(--night);
  display: grid;
  place-items: center;
  cursor: pointer;
}
.play svg { width: 24px; height: 24px; fill: currentColor; }
.play .i-pause { display: none; }
.player.playing .play .i-play { display: none; }
.player.playing .play .i-pause { display: block; }

.time { font: 600 0.95rem var(--text); font-variant-numeric: tabular-nums; color: var(--star-dim); min-width: 3.2em; }

.hold {
  margin-left: auto;
  font: 700 0.98rem var(--display);
  color: var(--star);
  background: transparent;
  border: 1.5px solid var(--star-dim);
  border-radius: 999px;
  padding: 12px 22px;
  cursor: pointer;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}
.player.original .hold { background: var(--star-dim); color: var(--night-deep); border-color: var(--star-dim); }

.player figcaption {
  margin-top: 16px;
  color: var(--star-dim);
  font-size: 0.88rem;
  max-width: 40rem;
}
.player .detail { color: var(--star); }
.player .loading .which { opacity: 0.5; }

@media (hover: none) { .keys { display: none; } }

/* ---------------------------------------------------------------- paper */

.paper { padding: 0 16px; }

.paper section {
  max-width: 72rem;
  margin: 0 auto;
  padding: 72px 0;
  border-bottom: 1px solid var(--paper-line);
}
.paper section:last-child { border-bottom: 0; }

h2 {
  font: 800 clamp(1.6rem, 3vw, 2.1rem) / 1.15 var(--display);
  letter-spacing: -0.01em;
  margin: 0 0 18px;
}

.paper p { max-width: var(--measure); margin: 0 0 16px; }

.using .prose p { font-size: 1.12rem; }

.using,
.how {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 24rem);
  gap: 64px;
  align-items: start;
}

.using { grid-template-columns: minmax(0, 1fr); gap: 40px; }

.verbs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
}
.verbs h3 { font: 800 1.12rem / 1.3 var(--display); margin: 0 0 8px; }
.verbs p { margin: 0; color: var(--ink-muted); }

.shot {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid var(--paper-line);
  box-shadow: 0 30px 60px -30px rgba(19, 32, 63, 0.45);
}

.facts { margin: 6px 0 0; }
.facts div { padding: 14px 0; border-top: 1px solid var(--paper-line); }
.facts div:first-child { border-top: 0; padding-top: 0; }
.facts dt { font: 800 0.98rem var(--display); }
.facts dd { margin: 2px 0 0; color: var(--ink-muted); }

.foot {
  padding: 28px 16px 40px;
  color: var(--ink-muted);
  font-size: 0.88rem;
}
.foot p { max-width: 72rem; margin: 0 auto; }
.foot a { color: inherit; }

/* ---------------------------------------------------------------- small screens */

@media (max-width: 900px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 48px; padding-top: 16px; }
  .using, .how { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .verbs { grid-template-columns: minmax(0, 1fr); gap: 24px; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .icon { width: 88px; height: 88px; margin-bottom: 20px; }
  .stage { aspect-ratio: 2 / 1; }
  .axis span { left: 8px; font-size: 0.64rem; width: 40px; }
  .controls { flex-wrap: wrap; }
  .hold { margin-left: 0; flex: 1 1 100%; padding: 14px; }
  .paper section { padding: 52px 0; }
  .get, .brew { width: 100%; }
  .brew code { overflow-x: auto; scrollbar-width: none; }
  .download { width: 100%; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  .download, .spec.before { transition: none; }
}