:root {
  --bg: #f7f7fb;
  --text: #15174a;
  --muted: #5c5f7a;
  --accent: #e8553a;
  --card: #ffffff;
  --rule: #e4e4ee;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0e1f;
    --text: #f2f2f8;
    --muted: #a3a5bd;
    --accent: #ff6a4d;
    --card: #17183a;
    --rule: #2a2c55;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}

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

header.hero { text-align: center; padding: 32px 0 8px; }
header.hero img { width: 112px; height: 112px; border-radius: 25px; box-shadow: 0 8px 24px rgba(21, 23, 74, 0.25); }
header.hero h1 { font-size: 40px; margin: 20px 0 4px; letter-spacing: -0.02em; }
header.hero p { font-size: 21px; color: var(--muted); margin: 0; }

.points { list-style: none; padding: 0; margin: 40px 0; }
.points li { background: var(--card); border-radius: 14px; padding: 16px 20px; margin-bottom: 10px; }
.points strong { display: block; }
.points span { color: var(--muted); }

nav.back { margin-bottom: 24px; }
nav.back a { text-decoration: none; }

h1 { font-size: 32px; margin: 0 0 4px; letter-spacing: -0.01em; }
h2 { font-size: 20px; margin: 32px 0 8px; }
.updated { color: var(--muted); margin: 0 0 24px; }

footer {
  border-top: 1px solid var(--rule);
  margin-top: 48px;
  padding-top: 16px;
  color: var(--muted);
  font-size: 14px;
}
footer a { color: var(--muted); }