/* Semantic colours from web/src/index.css. Dark is the fallback. */
:root {
  color-scheme: dark;
  --background: #0a0a0a;
  --foreground: #fafafa;
  --panel: #101010;
  --raised: #181818;
  --border: #303030;
  --muted: #a3a3a3;
  --accent: #2cc76f;
  --chart-1: #3fcf8e;
  --chart-2: #a78bfa;
  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --background: #f6f7f9;
    --foreground: #17212b;
    --panel: #ffffff;
    --raised: #edf0f3;
    --border: #d8dde3;
    --muted: #52606d;
    --accent: #08753e;
    --chart-1: #08753e;
    --chart-2: #7046b5;
  }
}

* { box-sizing: border-box; }
html { scroll-padding-top: 1.5rem; }
body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-underline-offset: 0.22em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
::selection { background: var(--accent); color: var(--background); }
img { display: block; width: 100%; height: auto; }
figure, p, h1, h2, dl, dd { margin: 0; }
p { color: var(--muted); }
strong { color: var(--foreground); font-weight: 550; }
code { font-family: var(--font-mono); font-size: 0.9em; overflow-wrap: anywhere; }
.wrap { width: min(1120px, calc(100% - 3rem)); margin-inline: auto; }
.skip-link { position: absolute; top: 0.5rem; left: 1rem; padding: 0.75rem; background: var(--panel); z-index: 1; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-block: 1.5rem; border-bottom: 1px solid var(--border); }
.wordmark { display: inline-flex; gap: 0.75rem; align-items: center; color: var(--foreground); text-decoration: none; font-size: 1.1rem; font-weight: 650; }
.wordmark span { font: 600 1.25rem var(--font-mono); color: var(--accent); }
nav { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }
nav a { display: inline-block; padding-block: 0.5rem; }
.site-header nav { font-size: 0.875rem; }
.site-header nav a { color: var(--muted); text-decoration: none; }
.site-header nav a:hover { color: var(--foreground); }
.hero { padding-block: clamp(3rem, 7vw, 6rem) 3rem; max-width: 900px; }
.eyebrow { color: var(--accent); font: 500 0.75rem/1.5 var(--font-mono); letter-spacing: 0.07em; text-transform: uppercase; margin-bottom: 1rem; }
h1 { font-size: clamp(2.5rem, 5.5vw, 4.5rem); font-weight: 550; letter-spacing: -0.045em; line-height: 1.08; text-wrap: balance; }
.lede { max-width: 710px; margin-top: 1.5rem; font-size: clamp(1.05rem, 2vw, 1.25rem); line-height: 1.65; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 1rem; padding: 0.75rem 1.1rem; border: 1px solid var(--border); border-radius: 0.375rem; color: var(--foreground); background: var(--panel); font-size: 0.875rem; font-weight: 600; text-decoration: none; }
.button:hover { border-color: var(--accent); }
.primary { background: var(--accent); border-color: var(--accent); color: var(--background); }
.hero-note { font-size: 0.8rem; margin-top: 1.25rem; }
.demo details { overflow: hidden; background: var(--panel); border: 1px solid var(--border); border-radius: 0.625rem; }
.demo summary { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem; padding: 0.9rem 1.1rem; cursor: pointer; font-size: 0.875rem; }
.demo summary::marker { content: ""; }
.demo summary::-webkit-details-marker { display: none; }
.demo summary:focus-visible { outline-offset: -5px; }
.demo details[open] summary { border-bottom: 1px solid var(--border); }
.badge { display: inline-block; color: var(--chart-2); margin-left: 0.6rem; font: 0.7rem/1.5 var(--font-mono); }
.demo-control { color: var(--muted); font-size: 0.75rem; text-decoration: underline; text-underline-offset: 0.2em; }
figcaption { margin-top: 0.8rem; color: var(--muted); font-size: 0.8rem; line-height: 1.6; }
.quick-start { display: grid; grid-template-columns: 1fr 1.6fr; gap: 3rem; padding-block: 4.5rem; scroll-margin-top: 1rem; }
h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); letter-spacing: -0.025em; font-weight: 550; line-height: 1.25; }
.quick-start h2 + p { margin-top: 1rem; font-size: 0.9rem; }
.command { min-width: 0; }
pre { margin: 0 0 1rem; padding: 1.25rem; border: 1px solid var(--border); border-left: 2px solid var(--accent); border-radius: 0.375rem; background: var(--panel); white-space: pre-wrap; overflow-wrap: anywhere; font: 0.9rem/1.8 var(--font-mono); }
pre code { font-size: inherit; }
.command p { font-size: 0.8rem; margin-bottom: 0.75rem; }
.command a, .feature-body > a { font-size: 0.875rem; }
.feature { display: grid; grid-template-columns: 1fr 1.6fr; gap: 3rem; padding-block: 3.5rem; border-top: 1px solid var(--border); }
.feature-heading h2 { max-width: 280px; }
.feature-body { min-width: 0; }
.feature-body > p { margin-bottom: 1.15rem; }
.metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-block: 1.75rem 1rem; }
.metrics div { border-left: 2px solid var(--chart-1); padding-left: 1rem; }
.metrics dt { color: var(--muted); font-size: 0.75rem; }
.metrics dd { margin-block: 0.3rem; font: 500 clamp(1.2rem, 2.2vw, 1.7rem)/1.5 var(--font-mono); letter-spacing: -0.045em; }
.metrics dd span { display: block; color: var(--muted); font: 0.75rem/1.65 var(--font-sans); letter-spacing: normal; }
.measurement-note { font-size: 0.8rem; }
.screenshots { border-top: 1px solid var(--border); padding-block: 3.5rem; }
.section-heading { margin-bottom: 2rem; }
.section-heading > p:last-child { margin-top: 0.75rem; font-size: 0.875rem; }
.screenshot-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 1.5rem; }
.screenshot-grid .wide { grid-column: 1 / -1; }
.screenshot-grid img { border: 1px solid var(--border); border-radius: 0.375rem; }
.screenshot-grid a { display: block; border-radius: 0.375rem; }
.resources { padding-block: 2.5rem 3rem; border-top: 1px solid var(--border); }
.resources h2 { font-size: 1.25rem; margin-bottom: 1rem; }
.resources nav { font-size: 0.875rem; }
.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 2rem; padding-block: 1.5rem 2rem; border-top: 1px solid var(--border); font-size: 0.75rem; color: var(--muted); }

@media (max-width: 700px) {
  .wrap { width: calc(100% - 2rem); }
  .site-header { flex-wrap: wrap; }
  .site-header nav { gap: 1rem; }
  .quick-start, .feature { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; padding-block: 2.5rem; }
  .feature-heading h2 { max-width: none; }
  .screenshot-grid { grid-template-columns: minmax(0, 1fr); }
  .demo summary { padding-inline: 0.75rem; }
  .metrics { gap: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  .demo details img { display: none; }
  .demo details[open]::after { content: "Animated demo hidden by your reduced-motion preference. Still screenshots are below."; display: block; padding: 1.25rem; color: var(--muted); font-size: 0.875rem; }
}