/* comped — one palette, shared with the SVG card the Play renders, so the site and the
   artifact read as the same object. No third-party font, no third-party anything: a page that
   promises "no network calls" must not load someone else's stylesheet to say so. */
:root {
  --bg: #0b0f14;
  --panel: #121821;
  --panel-2: #0d131b;
  --line: #1e2733;
  --fg: #f2f5f7;
  --muted: #8a94a0;
  --accent: #5cf2a0;
  --accent-2: #7cc7ff;
  --accent-3: #b39cff;
  --accent-dim: #2a7f5b;
  --warn: #ffd166;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Helvetica, Arial, sans-serif;
  --wrap: 1120px;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; border-radius: 6px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---------- the aurora ----------
   Three slow colour fields behind everything. Radial gradients rather than blurred circles:
   a gradient is soft by construction, costs the compositor nothing, and cannot come out as a
   hard-edged disc on a renderer that treats filter: blur() as optional. */
.aurora { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.aurora span { position: absolute; display: block; border-radius: 50%; }
.aurora .b1 {
  width: 900px; height: 900px; left: -260px; top: -380px;
  background: radial-gradient(closest-side, rgba(20, 110, 76, .55), rgba(20, 110, 76, 0) 70%);
  animation: drift1 34s var(--ease) infinite alternate;
}
.aurora .b2 {
  width: 820px; height: 820px; right: -220px; top: -120px;
  background: radial-gradient(closest-side, rgba(28, 80, 120, .5), rgba(28, 80, 120, 0) 70%);
  animation: drift2 28s var(--ease) infinite alternate;
}
.aurora .b3 {
  width: 760px; height: 760px; left: 40%; top: 520px;
  background: radial-gradient(closest-side, rgba(64, 52, 128, .42), rgba(64, 52, 128, 0) 70%);
  animation: drift3 40s var(--ease) infinite alternate;
}
@keyframes drift1 { to { transform: translate3d(120px, 90px, 0) scale(1.15); } }
@keyframes drift2 { to { transform: translate3d(-100px, 140px, 0) scale(1.1); } }
@keyframes drift3 { to { transform: translate3d(90px, -120px, 0) scale(1.2); } }

/* ---------- nav ---------- */
nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(11, 15, 20, 0.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
nav .wrap { display: flex; align-items: center; gap: 24px; height: 62px; }
.brand { font-weight: 800; letter-spacing: -0.03em; color: var(--fg); font-size: 20px; }
.brand span { color: var(--accent); }
nav .links { margin-left: auto; display: flex; gap: 20px; font-size: 15px; align-items: center; }
nav .links a { color: var(--muted); }
nav .links a:hover { color: var(--fg); text-decoration: none; }
nav .links a.cta {
  color: var(--bg); background: var(--accent); border-radius: 999px; padding: 7px 16px;
  font-weight: 650; transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}
nav .links a.cta:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(92, 242, 160, .28); }

/* ---------- hero ---------- */
.hero { padding: 96px 0 72px; }
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 24px;
  border: 1px solid var(--line); background: rgba(18, 24, 33, .6);
  padding: 7px 14px 7px 12px; border-radius: 999px;
}
.kicker .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 0 rgba(92, 242, 160, .6); animation: pulse 2.6s infinite;
}
@keyframes pulse {
  50% { box-shadow: 0 0 0 7px rgba(92, 242, 160, 0); }
  100% { box-shadow: 0 0 0 0 rgba(92, 242, 160, 0); }
}
h1 {
  font-size: clamp(44px, 7.6vw, 92px);
  line-height: 1.01; letter-spacing: -0.04em; font-weight: 800; margin: 0 0 24px;
}
h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--accent), var(--accent-2) 55%, var(--accent-3));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.sub { font-size: clamp(18px, 2.2vw, 22px); color: var(--muted); max-width: 64ch; margin: 0 0 36px; }
.sub strong { color: var(--fg); font-weight: 600; }

.cmd {
  position: relative;
  display: flex; align-items: center; gap: 12px;
  background: linear-gradient(180deg, rgba(18, 24, 33, .95), rgba(13, 19, 27, .95));
  border: 1px solid var(--line); border-radius: 14px;
  padding: 15px 16px; font-family: var(--mono); font-size: 14.5px;
  overflow-x: auto; max-width: 100%;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.cmd:hover { border-color: #2c3a4a; box-shadow: 0 10px 34px rgba(0, 0, 0, .35); }
.cmd + .cmd { margin-top: 14px; }
.cmd code { color: var(--fg); white-space: nowrap; }
.cmd .dollar { color: var(--accent-dim); user-select: none; }
.cmd[data-label]::before {
  content: attr(data-label);
  position: absolute; top: -9px; left: 14px;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); background: var(--bg); padding: 0 8px;
}
button.copy {
  margin-left: auto; flex: none; background: transparent; color: var(--muted);
  border: 1px solid var(--line); border-radius: 9px; padding: 6px 12px;
  font-family: var(--sans); font-size: 13px; cursor: pointer;
  transition: color .15s var(--ease), border-color .15s var(--ease), transform .15s var(--ease);
}
button.copy:hover { color: var(--fg); border-color: var(--muted); transform: translateY(-1px); }
button.copy.done { color: var(--accent); border-color: var(--accent-dim); }

.hero-note { margin-top: 16px; font-size: 14.5px; color: var(--muted); max-width: 72ch; }

/* ---------- the three big numbers ---------- */
.stats {
  list-style: none; padding: 0; margin: 46px 0 0;
  display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}
.stats li {
  border: 1px solid var(--line); border-radius: 16px; padding: 20px 22px;
  background: linear-gradient(180deg, rgba(18, 24, 33, .8), rgba(11, 15, 20, .5));
}
.stats b {
  display: block; font-size: clamp(30px, 4vw, 42px); letter-spacing: -0.03em; font-weight: 800;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stats span { display: block; margin-top: 4px; color: var(--muted); font-size: 14.5px; }

/* ---------- card figure ---------- */
figure.card { margin: 56px 0 0; perspective: 1200px; }
figure.card img {
  width: 100%; border-radius: 16px; border: 1px solid var(--line); display: block;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .45);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
figure.card.tilt:hover img { transform: rotateX(1.6deg) rotateY(-1.6deg) translateY(-4px); box-shadow: 0 40px 90px rgba(0, 0, 0, .55); }
figure.card figcaption { margin-top: 12px; font-size: 14px; color: var(--muted); }

/* ---------- sections ---------- */
section { padding: 84px 0; border-top: 1px solid var(--line); }
h2 { font-size: clamp(28px, 4.2vw, 44px); letter-spacing: -0.035em; margin: 0 0 16px; font-weight: 780; line-height: 1.06; }
h2 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--accent), var(--accent-2) 60%, var(--accent-3));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
h3 { font-size: 20px; letter-spacing: -0.01em; margin: 0 0 8px; font-weight: 650; }
.lede { font-size: 19px; color: var(--muted); max-width: 64ch; margin: 0 0 40px; }
.eyebrow {
  display: inline-block; font-family: var(--mono); font-size: 11.5px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 14px;
  border: 1px solid var(--accent-dim); border-radius: 999px; padding: 4px 12px;
}

.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
/* Four tiles read as 2x2; three-across leaves one stranded on its own row. */
.grid.two { grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }
.tile {
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 24px;
  transition: transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.tile:hover { transform: translateY(-3px); border-color: #2c3a4a; box-shadow: 0 18px 40px rgba(0, 0, 0, .3); }
.tile p { color: var(--muted); margin: 0 0 14px; font-size: 15.5px; }
.tile .slug { font-family: var(--mono); font-size: 13px; color: var(--accent); margin-bottom: 10px; }
.tile code.run { display: block; font-family: var(--mono); font-size: 12.5px; color: var(--muted);
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 9px; padding: 10px; overflow-x: auto; }

ol.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
ol.steps li { counter-increment: s; padding-left: 56px; position: relative; color: var(--muted); }
ol.steps li::before {
  content: counter(s); position: absolute; left: 0; top: -2px;
  width: 36px; height: 36px; border-radius: 11px; background: var(--panel);
  border: 1px solid var(--line); color: var(--accent);
  font-family: var(--mono); font-size: 15px; display: grid; place-items: center;
}
ol.steps b { color: var(--fg); font-weight: 650; }

/* ---------- the auto-detect section ---------- */
.split { display: grid; gap: 26px; grid-template-columns: 1.05fr 1fr; align-items: start; }

.term {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 16px;
  overflow: hidden; box-shadow: 0 24px 60px rgba(0, 0, 0, .4);
}
.term-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 14px; border-bottom: 1px solid var(--line); background: rgba(18, 24, 33, .8);
}
.term-bar i { width: 11px; height: 11px; border-radius: 50%; background: #2c3a4a; }
.term-bar i:first-child { background: #3a2b30; }
.term-bar span { margin-left: 10px; font-family: var(--mono); font-size: 12px; color: var(--muted); }
.term pre { margin: 0; padding: 20px; overflow-x: auto; background: none; border: 0; }
.term code { font-family: var(--mono); font-size: 13.5px; line-height: 1.72; color: var(--muted); }
.term .ln { display: block; }
.term[data-anim="on"] .ln { opacity: 0; transform: translateY(4px); }
.term[data-anim="on"] .ln.show { opacity: 1; transform: none; transition: opacity .3s var(--ease), transform .3s var(--ease); }
.term b { font-weight: 600; }
.term .ok { color: var(--fg); }
.term .dim { color: #5e6874; font-weight: 400; }
.term .ac { color: var(--accent); }
.term .ac2 { color: var(--accent-2); }
.term .big { color: var(--fg); font-size: 19px; }

.detect-notes { display: grid; gap: 14px; }
.note { border: 1px solid var(--line); background: var(--panel); border-radius: 14px; padding: 18px 20px; }
.note h3 { display: flex; align-items: center; gap: 12px; font-size: 17px; margin: 0 0 6px; }
.note .num {
  width: 26px; height: 26px; flex: none; border-radius: 8px; display: grid; place-items: center;
  font-family: var(--mono); font-size: 13px; color: var(--bg);
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
}
.note p { margin: 0; color: var(--muted); font-size: 15px; }

.marquee {
  margin: 30px 0 16px; overflow: hidden; border-block: 1px solid var(--line); padding: 16px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee .track { display: flex; gap: 12px; width: max-content; animation: slide 38s linear infinite; }
.marquee:hover .track { animation-play-state: paused; }
.marquee span {
  font-family: var(--mono); font-size: 14px; color: var(--muted); white-space: nowrap;
  border: 1px solid var(--line); border-radius: 999px; padding: 7px 16px; background: rgba(18, 24, 33, .6);
}
@keyframes slide { to { transform: translateX(-50%); } }

/* ---------- the ladder toy ---------- */
.toy { background: var(--panel); border: 1px solid var(--line); border-radius: 20px; padding: 28px; }
.slider { display: grid; grid-template-columns: 1fr auto; gap: 6px 16px; align-items: baseline; }
.slider label { font-size: 13px; color: var(--muted); font-family: var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }
.slider output {
  font-size: clamp(26px, 3.4vw, 34px); font-weight: 800; letter-spacing: -0.02em; color: var(--fg);
  font-variant-numeric: tabular-nums; grid-row: span 2; align-self: center;
}
.slider input[type="range"] {
  grid-column: 1; width: 100%; margin: 6px 0 0; height: 30px;
  -webkit-appearance: none; appearance: none; background: none; cursor: pointer;
}
.slider input[type="range"]::-webkit-slider-runnable-track {
  height: 8px; border-radius: 99px; background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
}
.slider input[type="range"]::-moz-range-track {
  height: 8px; border-radius: 99px; background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
}
.slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 24px; height: 24px; margin-top: -8px;
  border-radius: 50%; background: var(--fg); border: 4px solid var(--bg); box-shadow: 0 2px 10px rgba(0, 0, 0, .5);
}
.slider input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%; background: var(--fg); border: 4px solid var(--bg);
}

ol.ladder { list-style: none; margin: 26px 0 0; padding: 0; display: grid; gap: 8px; }
ol.ladder li {
  display: grid; grid-template-columns: 150px 84px 1fr 74px; gap: 14px; align-items: center;
  padding: 11px 14px; border-radius: 12px; border: 1px solid transparent;
  font-variant-numeric: tabular-nums;
}
ol.ladder li.on { border-color: var(--accent-dim); background: rgba(92, 242, 160, .07); }
ol.ladder .pl { font-weight: 600; }
ol.ladder .pc, ol.ladder .pm { font-family: var(--mono); font-size: 14px; color: var(--muted); }
ol.ladder .pm { text-align: right; font-size: 17px; color: var(--fg); }
ol.ladder li.on .pm { color: var(--accent); font-weight: 700; }
ol.ladder .pbar { display: block; height: 8px; border-radius: 99px; background: #1b2430; overflow: hidden; }
ol.ladder .pbar i {
  display: block; height: 100%; width: 10%; border-radius: 99px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width .35s var(--ease);
}
.verdict { margin: 24px 0 0; font-size: 18px; color: var(--muted); }
.verdict b { color: var(--fg); }

/* ---------- privacy ---------- */
.promises { display: grid; gap: 14px; padding: 0; margin: 0; list-style: none; }
.promises li {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px;
  transition: border-color .2s var(--ease);
}
.promises li:hover { border-color: #2c3a4a; }
.promises .mark { color: var(--accent); font-family: var(--mono); flex: none; }
.promises b { color: var(--fg); }
.promises span.t { color: var(--muted); }

/* ---------- reveal on scroll ----------
   Scoped to a class the script puts on <html> and takes off again after a couple of seconds.
   Content is never invisible because a script did not run, or ran and then something went wrong. */
.js-anim .reveal { opacity: 0; transform: translateY(14px); }
.js-anim .reveal.in { opacity: 1; transform: none; transition: opacity .6s var(--ease), transform .6s var(--ease); }

/* ---------- tables / docs ---------- */
table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 0 0 28px; display: block; overflow-x: auto; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; white-space: nowrap; }
td code, p code, li code { font-family: var(--mono); font-size: 13.5px; color: var(--accent); background: var(--panel-2); padding: 1px 4px; border-radius: 5px; }
pre {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 18px; overflow-x: auto; font-family: var(--mono); font-size: 13.5px; line-height: 1.55;
}
pre code { color: var(--fg); }

.doc-layout { display: grid; grid-template-columns: 232px 1fr; gap: 48px; align-items: start; }
aside.toc { position: sticky; top: 84px; font-size: 14.5px; }
aside.toc strong { display: block; color: var(--muted); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; margin: 22px 0 10px; }
aside.toc a { display: block; color: var(--muted); padding: 3px 0; }
aside.toc a:hover { color: var(--fg); text-decoration: none; }
.doc h2 { margin-top: 8px; scroll-margin-top: 84px; }
.doc h3 { margin-top: 34px; scroll-margin-top: 84px; color: var(--fg); }
.doc p, .doc li { color: var(--muted); }
.doc p strong, .doc li strong { color: var(--fg); font-weight: 600; }
.callout {
  border-left: 3px solid var(--accent-dim); background: var(--panel);
  border-radius: 0 14px 14px 0; padding: 16px 20px; margin: 24px 0;
}
.callout.warn { border-left-color: var(--warn); }
.callout p { margin: 0; }

footer { border-top: 1px solid var(--line); padding: 48px 0 72px; color: var(--muted); font-size: 15px; }
footer .row { display: flex; flex-wrap: wrap; gap: 28px; align-items: center; }
footer .row .sp { margin-left: auto; }

@media (max-width: 940px) {
  .split { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .doc-layout { grid-template-columns: 1fr; }
  aside.toc { position: static; border-bottom: 1px solid var(--line); padding-bottom: 18px; }
  nav .links a.hide-sm { display: none; }
  .hero { padding: 64px 0 48px; }
  section { padding: 64px 0; }
  ol.ladder li { grid-template-columns: 1fr 64px; gap: 6px 12px; }
  ol.ladder .pbar { grid-column: 1 / -1; }
  ol.ladder .pc { display: none; }
}

/* Motion is decoration here; anyone who asked for less gets the page without any of it. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .aurora span, .marquee .track, .kicker .dot { animation: none !important; }
  .js-anim .reveal { opacity: 1; transform: none; }
  .term[data-anim="on"] .ln { opacity: 1; transform: none; }
  * { transition-duration: .01ms !important; }
}