/* Acid Friendly — shared styles for the public site.
   Palette mirrors the app (app/src/theme.ts) so web and app read as one product. */

:root {
  --bg: #faf8fc;
  --surface: #ffffff;
  --text: #2a2438;
  --text-muted: #6e6785;
  --border: #e5e0ef;
  --primary: #7c6baf;
  --space: #7c6baf;
  --event: #3eb8b3;
  --support: #e88c7d;
  --radius: 16px;
  --maxw: 46rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17141f;
    --surface: #211d2c;
    --text: #f0ecf7;
    --text-muted: #a9a2bd;
    --border: #332c44;
    --primary: #a494d8;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

.wrap {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* Header */

header.site {
  padding-block: 2.5rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: inherit;
  font-weight: 700;
  font-size: 1.1rem;
}

.mark {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--space), var(--event));
  flex: none;
}

/* Hero */

.hero {
  padding-block: 3rem 2rem;
}

.hero h1 {
  font-size: clamp(2.1rem, 6vw, 3.1rem);
  line-height: 1.15;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.tagline {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin: 0 0 1.5rem;
}

.lede {
  font-size: 1.05rem;
}

/* Cards */

.cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  padding-block: 1rem 2rem;
  margin: 0;
  list-style: none;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.card h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  flex: none;
}

.dot.space {
  background: var(--space);
}
.dot.event {
  background: var(--event);
}
.dot.support {
  background: var(--support);
}

/* Callout */

.callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-inline-start: 4px solid var(--primary);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  margin-block: 2rem;
}

.callout h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

.callout p:last-child {
  margin-bottom: 0;
}

/* Long-form documents */

main.doc {
  padding-block: 1rem 2rem;
}

.doc h1 {
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  margin-bottom: 0.25rem;
  letter-spacing: -0.02em;
}

.doc h2 {
  font-size: 1.15rem;
  margin-top: 2.25rem;
  padding-top: 0.35rem;
  border-top: 1px solid var(--border);
}

.doc h3 {
  font-size: 1rem;
  margin-top: 1.5rem;
}

.updated {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0;
}

.doc ul {
  padding-inline-start: 1.25rem;
}

.doc li {
  margin-block: 0.4rem;
}

a {
  color: var(--primary);
  text-underline-offset: 0.15em;
}

/* Footer */

footer.site {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding-block: 2rem 3rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

footer.site nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 0.75rem;
}