:root {
  --paper: oklch(96.5% 0.012 85);
  --ink: oklch(21% 0.012 60);
  --muted: oklch(45% 0.015 70);
  --rule: oklch(86% 0.015 80);
  --panel: oklch(93% 0.016 82);
  --accent: oklch(62% 0.2 33);
  --on-accent: oklch(15% 0.01 60);
  --display: "Fraunces", Georgia, serif;
  --sans: "Hanken Grotesk", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --hw: 800;
  --hls: -0.02em;
  --hscale: 1;
  --mscale: 1;
  --pane: oklch(21% 0.012 60);
  --pane-chrome: oklch(26% 0.014 60);
  --pane-ink: oklch(94% 0.014 85);
  --pane-mute: oklch(70% 0.015 80);
  --pane-line: oklch(33% 0.012 60);
  --bad: oklch(72% 0.19 10);
  --bad-bg: oklch(31% 0.1 10);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: oklch(18% 0.01 60);
    --ink: oklch(94% 0.014 85);
    --muted: oklch(72% 0.015 80);
    --rule: oklch(30% 0.012 60);
    --panel: oklch(22% 0.012 60);
    --accent: oklch(70% 0.18 35);
    --pane: oklch(22% 0.012 60);
    --pane-chrome: oklch(27% 0.014 60);
    --pane-line: oklch(34% 0.012 60);
  }
}

* { box-sizing: border-box; margin: 0; }

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

body {
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto 1fr auto;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--sans);
  overflow-x: hidden;
}

.bar, main, footer {
  width: min(72rem, 100%);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 4rem);
}

.bar { display: flex; justify-content: space-between; align-items: center; padding-block: 1.25rem; }

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font: 800 1.25rem var(--display);
  text-decoration: none;
}

.logo-mark {
  width: 1.6rem;
  height: 0.55rem;
  background: var(--accent);
  display: inline-block;
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.logo:hover .logo-mark { transform: scaleX(1.4); }

main { position: relative; }

a { color: inherit; }

.glow {
  position: absolute;
  top: -4.5rem;
  left: 50%;
  width: 100vw;
  margin-left: -50vw;
  height: 46rem;
  overflow: hidden;
  pointer-events: none;
  z-index: -1;
}

.glow::before {
  content: "";
  position: absolute;
  width: min(60rem, 140vw);
  aspect-ratio: 1;
  right: -20%;
  top: -35%;
  border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in oklch, var(--accent) 28%, transparent), transparent);
}

.hero {
  min-height: calc(100svh - 4.5rem);
  padding-block: clamp(3rem, 9vw, 7rem) clamp(3rem, 8vw, 6rem);
}

.eyebrow {
  font: 500 0.8rem var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 0 0 1.5rem;
}

h1 {
  font-family: var(--display);
  font-size: calc(clamp(2.5rem, 8.5vw, 6.5rem) * var(--hscale));
  line-height: 1.05;
  font-weight: var(--hw);
  letter-spacing: var(--hls);
  max-width: var(--hmax, 17ch);
  text-wrap: balance;
}

.redact { position: relative; white-space: nowrap; transition: color 0.4s; }

.redact::after {
  content: "";
  position: absolute;
  inset: 0.2em -0.04em 0.12em;
  background: var(--accent);
  transform-origin: left;
  transition: opacity 0.4s;
}

.redact:hover { color: var(--accent); }
.redact:hover::after { opacity: 0; }

.lede {
  font-size: clamp(1.1rem, 2.4vw, 1.4rem);
  line-height: 1.5;
  max-width: 34rem;
  margin: 1.75rem 0 2.25rem;
  color: var(--muted);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  font: 500 0.9rem var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.7rem 1.2rem;
  border: 2px solid var(--ink);
}

.dot { width: 0.55rem; height: 0.55rem; border-radius: 50%; background: var(--accent); }

@media (prefers-reduced-motion: no-preference) {
  .redact::after { animation: wipe 0.7s cubic-bezier(0.7, 0, 0.3, 1) 0.5s backwards; }
  @keyframes wipe { from { transform: scaleX(0); } }
  .dot { animation: pulse 1.8s ease-in-out infinite; }
  @keyframes pulse { 50% { opacity: 0.25; transform: scale(0.7); } }
  .glow::before { animation: drift 18s ease-in-out infinite alternate; }
  @keyframes drift { to { transform: translate(-6%, 8%); } }
}

.terms { padding-block: clamp(2.5rem, 7vw, 5rem); }
.demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: clamp(12px, 3vh, 28px);
}

.pane {
  background: var(--pane);
  color: var(--pane-ink);
  border: 1px solid var(--pane-line);
  border-radius: 10px;
  overflow: hidden;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.chrome {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: var(--pane-chrome);
  border-bottom: 1px solid var(--pane-line);
  font: 600 12px var(--sans);
  color: var(--pane-mute);
}

.chrome i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--pane-line);
}

.chrome b {
  font-weight: 600;
  margin-left: 8px;
  color: var(--pane-ink);
}

.body {
  flex: 1;
  padding: clamp(16px, 2vw, 26px);
  min-height: 250px;
  font: calc(clamp(13px, 1.12vw, 16px) * var(--mscale))/1.7 var(--mono);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ln {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.pr { color: var(--pane-mute); user-select: none; }
.out { color: var(--pane-mute); }
.daemon { color: var(--accent); font-weight: 600; }

mark {
  font: inherit;
  padding: 1px 4px;
  border-radius: 3px;
}

mark.e { display: none; }
.key { background: var(--bad-bg); color: var(--bad); font-weight: 600; }
.tok { background: color-mix(in oklch, var(--accent) 24%, var(--pane)); color: var(--accent); font-weight: 600; }

.badge {
  display: inline-block;
  font: 600 13px/1 var(--sans);
  padding: 7px 12px;
  border-radius: 99px;
}

.badge.bad { background: var(--bad-bg); color: var(--bad); }
.badge.ok { background: var(--accent); color: var(--on-accent); }

.rd {
  position: relative;
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
  border-radius: 3px;
}

.rd .k { background: var(--bad-bg); color: var(--bad); font-weight: 600; padding: 1px 4px; }
.rd .r { background: color-mix(in oklch, var(--accent) 24%, var(--pane)); color: var(--accent); font-weight: 600; padding: 1px 4px; }
.rd[data-state="raw"] .r { display: none; }
.rd:not([data-state="raw"]) .k { display: none; }

.cover {
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateX(-101%);
}

.caret {
  display: none;
  width: 0.55em;
  height: 1.1em;
  margin-left: 2px;
  vertical-align: text-bottom;
  background: var(--accent);
  animation: blink 1s steps(1) infinite;
}

.typing .caret { display: inline-block; }

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

/* reserve space so panes never jump */
.js .ln:not(.on) { visibility: hidden; }

.props {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 28px;
  margin-top: 8px;
  font-size: 14px;
  color: var(--muted);
}

.props li::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 4px;
  margin-right: 8px;
  vertical-align: middle;
  background: var(--accent);
  border-radius: 1px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding-block: 18px 22px;
  font-size: 13px;
  color: var(--muted);
}

footer a { color: var(--ink); text-underline-offset: 3px; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

@media (max-width: 820px) {
  .demo { grid-template-columns: 1fr; }
  .body { font-size: 12.5px; min-height: 0; }
}


.problem {
  margin-top: clamp(32px, 7vh, 72px);
  padding-bottom: clamp(24px, 5vh, 56px);
}

.how { padding-bottom: clamp(24px, 5vh, 56px); }

.steps {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
  counter-reset: step;
}

@media (min-width: 52rem) {
  .steps { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
}

.steps li {
  counter-increment: step;
  font-size: 1.1rem;
  line-height: 1.4;
  color: var(--muted);
}

.steps li::before {
  content: counter(step);
  display: block;
  font: var(--hw) 2.5rem/1 var(--display);
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.steps b { color: var(--ink); font-weight: 600; }

.cap {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--pane-line);
  font: 600 14px var(--sans);
  color: var(--pane-ink);
}

.how h2, .problem h2, .terms > h2 {
  font: 500 0.8rem var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 2rem;
  padding-top: 1rem;
  border-top: 2px solid var(--accent);
}

.problem-grid { display: grid; gap: 2.5rem; grid-template-columns: 1fr; }

@media (min-width: 52rem) {
  .problem-grid { grid-template-columns: 1.1fr 1fr; align-items: start; }
}

.problem p { line-height: 1.6; color: var(--muted); }

.problem .big {
  font-family: var(--display);
  font-weight: var(--hw);
  font-size: calc(clamp(1.5rem, 3.4vw, 2.25rem) * var(--hscale));
  line-height: 1.15;
  letter-spacing: var(--hls);
  color: var(--ink);
  margin: 0 0 1.25rem;
}

.big code {
  font-family: var(--mono);
  font-size: 0.8em;
  background: var(--panel);
  padding: 0.05em 0.3em;
}

.transcript {
  background: var(--panel);
  padding: 1.25rem;
  font: 400 calc(0.9rem * var(--mscale))/1.55 var(--mono);
  border: 1px solid var(--rule);
  min-width: 0;
}

.transcript figcaption {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.transcript p { margin: 0 0 0.75rem; overflow-wrap: anywhere; color: var(--ink); }
.transcript b { color: var(--accent); margin-right: 0.5ch; }

.leak {
  position: relative;
  display: inline-block;
  background: var(--accent);
  color: var(--on-accent);
  padding: 0 0.2em;
}

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

.transcript .dim { color: var(--muted); font-style: italic; margin: 0; }

@media (prefers-reduced-motion: no-preference) {
  .leak::after { animation: redact 8s cubic-bezier(0.22, 1, 0.36, 1) infinite; }
  @keyframes redact {
    0%, 14% { transform: scaleX(0); }
    24%, 100% { transform: scaleX(1); }
  }
}