:root {
  color-scheme: light dark;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  line-height: 1.55;
  --ink: #17202a;
  --muted: #52606d;
  --paper: #fbfcfe;
  --panel: #ffffff;
  --line: #d7dee7;
  --accent: #285f8f;
  --success: #246b45;
  --failure: #9b2c2c;
}

* { box-sizing: border-box; }

body {
  background: var(--paper);
  color: var(--ink);
  margin: 0;
}

.hero, nav, main, footer, .noscript {
  margin-inline: auto;
  max-width: 76rem;
  padding: 1.5rem;
}

.hero {
  background: linear-gradient(135deg, #143a59, #285f8f 60%, #267060);
  color: white;
  max-width: none;
  padding-block: clamp(2rem, 6vw, 5rem);
}

.hero > * { margin-inline: auto; max-width: 73rem; }
.hero h1 { font-size: clamp(2.1rem, 6vw, 4.8rem); line-height: 1; margin-block: .35rem 1rem; }
.site-links { font-weight: 650; }
.site-links a { color: white; }
.eyebrow, .domain, .case-kind { font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow { color: #ccecff; }
.domain { color: var(--accent); }

nav ol { columns: 2 20rem; }
nav li { break-inside: avoid; margin-block: .35rem; }
a { color: var(--accent); }

.gallery-story {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 1rem;
  margin-block: 2rem;
  padding: clamp(1rem, 3vw, 2rem);
  scroll-margin-top: 1rem;
}

.story-columns {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
}

.gallery-case {
  border-inline-start: .35rem solid var(--line);
  margin-block: 2rem;
  padding-inline-start: 1rem;
}

.gallery-case-success { border-color: var(--success); }
.gallery-case-failure { border-color: var(--failure); }
.gallery-case-success .case-kind { color: var(--success); }
.gallery-case-failure .case-kind { color: var(--failure); }
.question { font-size: 1.1rem; font-weight: 650; }
.sweep-explanation { overflow-wrap: anywhere; }

.gallery-figure {
  border: 1px solid var(--line);
  border-radius: .65rem;
  margin-inline: 0;
  overflow: hidden;
}

.gallery-plot { min-height: 22rem; padding: 1rem; }
.gallery-plot[data-gallery-rendered="true"] { padding: 0; }
.gallery-animation-controls {
  align-items: center;
  background: color-mix(in srgb, var(--panel) 88%, var(--accent));
  border-block: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: .65rem 1rem;
  padding: .75rem 1rem;
}
.gallery-animation-controls[hidden] { display: none; }
.animation-transport { display: flex; flex-wrap: wrap; gap: .4rem; }
.gallery-animation-controls label { align-items: center; display: flex; gap: .4rem; }
.animation-iteration { flex: 1 1 19rem; }
.animation-iteration input { flex: 1 1 10rem; }
.animation-iteration output { min-width: 6rem; }
.reduced-motion-note { color: var(--muted); flex-basis: 100%; }
figcaption { color: var(--muted); padding: .75rem 1rem; }
.gallery-actions { display: flex; flex-wrap: wrap; gap: .5rem; padding: .75rem 1rem 1rem; }
button { cursor: pointer; padding: .55rem .75rem; }
.open-in-sage {
  background: var(--accent);
  border-radius: .35rem;
  color: var(--panel);
  display: inline-block;
  font-weight: 700;
  padding: .5rem .75rem;
  text-decoration: none;
}

.table-scroll { overflow-x: auto; }
table { border-collapse: collapse; min-width: 32rem; width: 100%; }
caption { font-weight: 650; padding: .5rem; text-align: start; }
th, td { border-bottom: 1px solid var(--line); padding: .45rem .65rem; text-align: start; vertical-align: top; }
th { width: 10rem; }
pre { overflow-x: auto; padding: 1rem; }
.no-animation, .noscript { background: #fff4cc; color: #4f3b00; padding: 1rem; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eff5fb;
    --muted: #b8c5d1;
    --paper: #111820;
    --panel: #18222c;
    --line: #425160;
    --accent: #85c8ff;
    --success: #7ee2ac;
    --failure: #ff9b9b;
  }
}