/* Void Apps — shared styles. iOS-style, mobile-first, light + dark. */

:root {
  --brand: #0088ff;
  --brand-press: #006fd6;
  --bg: #f5f5f7;
  --surface: #ffffff;
  --text: #1c1c1e;
  --text-dim: #6c6c70;
  --border: #e3e3e8;
  --radius: 16px;
  --maxw: 720px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --surface: #1c1c1e;
    --text: #f5f5f7;
    --text-dim: #98989d;
    --border: #2c2c2e;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px 20px 64px;
}

/* Header */
header.site {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}
header.site .bar {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}
.brand .dot {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  background: var(--brand);
  display: inline-block;
}
header.site nav {
  margin-left: auto;
  display: flex;
  gap: 18px;
}
header.site nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
}
header.site nav a:hover { color: var(--brand); }

/* Typography */
h1 {
  font-size: 32px;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin: 8px 0 4px;
}
h2 {
  font-size: 21px;
  letter-spacing: -0.02em;
  margin: 36px 0 10px;
}
h3 { font-size: 18px; margin: 24px 0 6px; }
p, li { color: var(--text); }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.updated { color: var(--text-dim); font-size: 15px; margin: 0 0 28px; }
.lede { font-size: 19px; color: var(--text-dim); }
ul { padding-left: 22px; }
li { margin: 6px 0; }
small, .fine { color: var(--text-dim); font-size: 14px; }

/* Cards / buttons */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin: 16px 0;
}
.btn {
  display: inline-block;
  background: var(--brand);
  color: #fff;
  padding: 13px 22px;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
}
.btn:hover { background: var(--brand-press); text-decoration: none; }

.grid { display: grid; gap: 12px; }

/* Footer */
footer.site {
  border-top: 1px solid var(--border);
  margin-top: 48px;
  padding-top: 24px;
  color: var(--text-dim);
  font-size: 14px;
}
footer.site a { color: var(--text-dim); }
footer.site .links { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 10px; }