:root {
  --bg: #faf7f5;
  --card: #ffffff;
  --text: #1c1a19;
  --muted: #5f5a57;
  --accent: #b5473a;
  --line: rgba(0, 0, 0, 0.08);
  --note-bg: #f3ece9;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141110;
    --card: #1e1a19;
    --text: #f2edeb;
    --muted: #a49d99;
    --accent: #d1685c;
    --line: rgba(255, 255, 255, 0.1);
    --note-bg: #241f1d;
  }
}

* { box-sizing: border-box; }

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

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

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 22px 80px;
}

header.site {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 32px;
}

header.site a {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.logo {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 20px;
}

.brand { font-weight: 600; font-size: 18px; }

h1 {
  font-size: 30px;
  line-height: 1.2;
  margin: 0 0 6px;
  letter-spacing: -0.02em;
}

.updated {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 28px;
}

h2 {
  font-size: 20px;
  margin: 36px 0 10px;
  letter-spacing: -0.01em;
}

p { margin: 0 0 16px; }

ul { margin: 0 0 16px; padding-left: 22px; }
li { margin: 0 0 8px; }

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

strong { font-weight: 650; }

.note {
  background: var(--note-bg);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 14px 16px;
  margin: 0 0 28px;
  font-size: 15px;
  color: var(--muted);
}

footer.site {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

footer.site a { color: var(--muted); }

/* Landing page */
.landing { text-align: center; padding-top: 12vh; }
.landing .logo { width: 64px; height: 64px; border-radius: 16px; font-size: 38px; margin: 0 auto 20px; }
.landing h1 { font-size: 40px; }
.landing p.tagline { color: var(--muted); font-size: 19px; margin-bottom: 32px; }
.landing .links { display: inline-flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.landing .links a {
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 20px;
  font-weight: 600;
}