/* The app's colors (apps/mobile/src/ui/theme.ts), light and dark. */
:root {
  --background: #f4f6f9;
  --surface: #ffffff;
  --border: #dde2ea;
  --text: #111827;
  --text-muted: #5b6472;
  --primary: #1a66e4;
  --on-primary: #ffffff;
  --logo-blue: #1a66e4;
  --hero: #0d1320;
  --on-hero: #eef1f6;
  --on-hero-muted: #a3acbb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #0d1320;
    --surface: #161e2e;
    --border: #2e3a51;
    --text: #eef1f6;
    --text-muted: #a3acbb;
    --primary: #3a8ffd;
    --on-primary: #06101f;
    --logo-blue: #3a8ffd;
    --hero: #0a0f1a;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

a {
  color: var(--primary);
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

/* The wordmark, styled like the logo: a blue Z. */
.wordmark {
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: inherit;
}

.wordmark .z {
  color: var(--logo-blue);
}

header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

header .wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 60px;
}

header img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

header .wordmark {
  font-size: 22px;
}

main {
  padding: 32px 0 48px;
}

h1 {
  font-size: 32px;
  line-height: 1.2;
  margin: 0 0 8px;
}

h2 {
  font-size: 21px;
  margin: 32px 0 8px;
}

.muted {
  color: var(--text-muted);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 4px 20px;
  margin: 16px 0;
}

/* The home page's top band, always dark like the logo. */
.hero {
  background: var(--hero);
  color: var(--on-hero);
  text-align: center;
  padding: 64px 0 56px;
}

.hero img {
  width: 96px;
  height: 96px;
  border-radius: 22px;
}

.hero h1 {
  font-size: 56px;
  margin: 16px 0 8px;
}

.hero .wordmark .z {
  color: #3a8ffd;
}

.hero p {
  font-size: 20px;
  color: var(--on-hero-muted);
  margin: 0 auto;
  max-width: 30em;
}

.features {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 12px;
}

.features li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 18px;
}

.features strong {
  display: block;
}

footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 40px;
  font-size: 15px;
  color: var(--text-muted);
}

footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

@media (min-width: 640px) {
  .features {
    grid-template-columns: 1fr 1fr;
  }
}