:root {
  --bg: #F7F9FB;
  --surface: #FFFFFF;
  --border: #E1E7EE;
  --text: #0B1F33;
  --text2: #54606E;
  --accent: #2563EB;
  --accent-text: #1D4ED8;
  --tint: rgba(37, 99, 235, 0.08);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0E1217;
    --surface: #171C24;
    --border: #2A333F;
    --text: #EEF1F5;
    --text2: #9AA4B2;
    --accent: #60A5FA;
    --accent-text: #93C5FD;
    --tint: rgba(96, 165, 250, 0.10);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 'Figtree', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-text); }
a:hover { text-decoration-thickness: 2px; }
.wrap { max-width: 720px; margin: 0 auto; padding: 40px 20px 72px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); }
.brand-mark {
  width: 40px; height: 40px; border-radius: 12px; flex-shrink: 0;
  background: linear-gradient(135deg, #60A5FA, #2563EB 55%, #4338CA);
  display: flex; align-items: center; justify-content: center;
}
.brand-name { font-family: 'Poppins', sans-serif; font-weight: 600; font-size: 20px; letter-spacing: -0.4px; }
nav.top { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
nav.top .links { display: flex; gap: 18px; font-weight: 600; font-size: 15px; }
nav.top .links a { text-decoration: none; color: var(--text2); }
nav.top .links a[aria-current="page"] { color: var(--accent-text); }
h1 {
  font-family: 'Poppins', sans-serif; font-weight: 600;
  font-size: clamp(32px, 7vw, 44px); line-height: 1.1; letter-spacing: -1px; margin: 0 0 10px;
}
h2 { font-family: 'Poppins', sans-serif; font-weight: 600; font-size: 22px; letter-spacing: -0.4px; margin: 40px 0 8px; }
h3 { font-size: 17px; margin: 24px 0 4px; }
.meta { color: var(--text2); font-size: 15px; margin: 0 0 28px; }
.summary {
  background: var(--tint); border-radius: 18px; padding: 18px 20px; margin: 0 0 8px;
}
.summary h2 { margin-top: 0; font-size: 18px; }
.summary ul { margin: 0; padding-left: 20px; }
ul { padding-left: 22px; }
li { margin: 4px 0; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 18px;
  padding: 18px 20px; margin: 12px 0; display: block; text-decoration: none; color: var(--text);
}
.card strong { display: block; font-size: 17px; }
.card span { color: var(--text2); font-size: 15px; }
footer { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--text2); font-size: 14px; }