/* Daily Blocks marketing + legal site.
   Mirrors the app's design tokens (CLAUDE.md "Visual design / color system"):
   white-first chrome, logo blue #4F86E0, neutral text, soft elevation. */

:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-alt: #e9ebef;
  --text-primary: #1c1e22;
  --text-secondary: #6a6e76;
  --accent: #4f86e0;
  --primary: #3d78d9;
  --shadow: 0 2px 10px rgba(28, 30, 34, 0.07);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121316;
    --surface: #1b1d21;
    --surface-alt: #2a2d33;
    --text-primary: #f2f3f5;
    --text-secondary: #a0a5ae;
    --accent: #8fb6f5;
    --primary: #6fa0ec;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
  }
}

* { box-sizing: border-box; }

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

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

/* --- brand lockup: three ink blocks + one accent block, per BlocksMark --- */
.lockup {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.mark { width: 34px; height: 34px; flex: 0 0 auto; }
.mark .ink { fill: var(--text-primary); }
.mark .accent { fill: var(--accent); }

.wordmark {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Rounded", sans-serif;
  font-weight: 600;
  font-size: 21px;
  letter-spacing: -0.46px;
}

nav {
  border-bottom: 1px solid var(--surface-alt);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}

nav .wrap {
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

nav a.link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  margin-left: 20px;
}

nav a.link:hover { color: var(--primary); }

h1 {
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: -0.6px;
  margin: 40px 0 8px;
}

h2 {
  font-size: 21px;
  margin: 40px 0 8px;
  letter-spacing: -0.2px;
}

h3 {
  font-size: 17px;
  margin: 28px 0 6px;
}

p, li { color: var(--text-primary); }

.lede {
  font-size: 19px;
  color: var(--text-secondary);
  margin-top: 0;
}

.meta {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

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

.card {
  background: var(--surface);
  border: 1px solid var(--surface-alt);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  padding: 20px 24px;
  margin: 24px 0;
}

.card h3 { margin-top: 0; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 15px;
  display: block;
  overflow-x: auto;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--surface-alt);
  vertical-align: top;
}

th { color: var(--text-secondary); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: 0.4px; }

.features {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}

.features li {
  padding: 14px 0;
  border-bottom: 1px solid var(--surface-alt);
}

.features strong { display: block; }
.features span { color: var(--text-secondary); font-size: 15px; }

.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 13px 26px;
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.btn:hover { opacity: 0.92; }

footer {
  border-top: 1px solid var(--surface-alt);
  margin-top: 64px;
  color: var(--text-secondary);
  font-size: 14px;
}

footer .wrap { padding: 24px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer a { color: var(--text-secondary); text-decoration: none; margin-left: 16px; }
footer a:hover { color: var(--primary); }