:root {
  --bg: #fbfaff;
  --surface: #ffffff;
  --text: #1c1a24;
  --muted: #5d5970;
  --line: #e6e2f0;
  --accent: #6a4cf5;
  --accent-2: #c54fc0;
  --accent-soft: #efeafe;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121019;
    --surface: #1b1824;
    --text: #ecebf2;
    --muted: #a8a4b8;
    --line: #2d2a3a;
    --accent: #9c87ff;
    --accent-2: #e07ad9;
    --accent-soft: #241f38;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }
a:hover { text-decoration-thickness: 2px; }

.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }

header.site {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 60px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  color: var(--text);
  text-decoration: none;
}
.brand img { width: 30px; height: 30px; }
nav a { color: var(--muted); text-decoration: none; margin-left: 20px; font-size: 15px; }
nav a:hover, nav a[aria-current] { color: var(--text); }

.hero { text-align: center; padding-top: 72px; padding-bottom: 56px; }
.hero img { width: 128px; height: 128px; }
.hero h1 { font-size: 44px; line-height: 1.15; margin: 20px 0 12px; letter-spacing: -0.02em; }
.hero p.lede { font-size: 20px; color: var(--muted); max-width: 600px; margin: 0 auto 28px; }
.badge {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 600;
  font-size: 15px;
}
.hero .note { font-size: 14px; color: var(--muted); margin-top: 12px; }

section { padding: 40px 0; border-top: 1px solid var(--line); }
section h2 { font-size: 28px; margin: 0 0 8px; letter-spacing: -0.01em; }
section > .wrap > p.intro { color: var(--muted); margin-top: 0; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 24px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
}
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.5; }
.pro { font-size: 11px; font-weight: 700; letter-spacing: 0.04em; color: var(--accent); background: var(--accent-soft); border-radius: 6px; padding: 2px 6px; margin-left: 6px; vertical-align: 2px; }

.table-wrap { overflow-x: auto; margin: 20px 0; }
table { border-collapse: collapse; width: 100%; font-size: 15px; background: var(--surface); }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border: 1px solid var(--line); }
th { background: var(--accent-soft); font-weight: 600; }
td code { font-size: 13px; overflow-wrap: anywhere; }

.callout {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 24px 0;
}
.callout p { margin: 0; }

article.policy { padding: 48px 0 64px; }
article.policy h1 { font-size: 38px; margin: 0 0 4px; letter-spacing: -0.02em; }
article.policy .updated { color: var(--muted); margin-top: 0; }
article.policy h2 { font-size: 23px; margin: 40px 0 8px; }
article.policy h3 { font-size: 18px; margin: 24px 0 6px; }
article.policy li { margin: 6px 0; }

footer.site { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer.site a { color: var(--muted); margin-right: 18px; }

@media (max-width: 560px) {
  .hero { padding-top: 48px; padding-bottom: 40px; }
  .hero h1 { font-size: 34px; }
  nav a:not(:last-child) { display: none; }
}

footer.site span a { margin-right: 0; }

.app-link { display: flex; gap: 18px; align-items: center; text-decoration: none; color: inherit; }
.app-link img { width: 72px; height: 72px; flex: none; }
.app-link:hover h3 { color: var(--accent); }