*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #FFFFFF;
  --surface: #F5F5F5;
  --text: #1A1A1A;
  --secondary: #6B6B6B;
  --accent: #3A87B5;
  --brand-warm: #E8272D;
  --max-w: 640px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ── Nav ─────────────────────────────────────────────────── */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid #eee;
}

nav .inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

nav .logo {
  font-family: 'Caprasimo', cursive;
  font-size: 22px;
  color: var(--brand-warm);
  text-decoration: none;
}

nav .links {
  display: flex;
  gap: 24px;
}

nav .links a {
  font-size: 14px;
  color: var(--secondary);
  text-decoration: none;
  transition: color 0.15s;
}

nav .links a:hover,
nav .links a.active { color: var(--text); }

/* ── Main content ────────────────────────────────────────── */

main {
  padding: 100px 24px 60px;
}

main .inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

main h1 {
  font-family: 'Caprasimo', cursive;
  font-size: 32px;
  margin-bottom: 4px;
}

.updated {
  font-size: 14px;
  color: var(--secondary);
  margin-bottom: 28px;
}

main h2 {
  font-size: 18px;
  font-weight: 600;
  margin-top: 36px;
  margin-bottom: 12px;
  padding-top: 20px;
  border-top: 1px solid #eee;
}

main h3 {
  font-size: 15px;
  font-weight: 600;
  margin-top: 20px;
  margin-bottom: 8px;
  color: var(--secondary);
}

main p {
  margin-bottom: 12px;
  font-size: 15px;
}

main ul {
  margin-bottom: 12px;
  padding-left: 20px;
}

main li {
  font-size: 15px;
  margin-bottom: 6px;
}

main a {
  color: var(--accent);
  text-decoration: none;
}

main a:hover { text-decoration: underline; }

main strong { font-weight: 600; }

main code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13px;
  background: var(--surface);
  padding: 2px 6px;
  border-radius: 4px;
}

.callout {
  background: var(--surface);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 24px;
  font-size: 15px;
  line-height: 1.6;
}

.closing {
  margin-top: 32px;
  font-size: 14px;
  color: var(--secondary);
  font-style: italic;
}

/* ── Footer ──────────────────────────────────────────────── */

footer {
  padding: 40px 24px;
  text-align: center;
  border-top: 1px solid #eee;
}

footer .inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

footer .foot-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

footer .foot-links a {
  font-size: 14px;
  color: var(--secondary);
  text-decoration: none;
}

footer .foot-links a:hover { color: var(--text); }

footer .copy {
  font-size: 13px;
  color: var(--secondary);
}

/* ── Mobile ──────────────────────────────────────────────── */

@media (max-width: 480px) {
  main h1 { font-size: 26px; }
  main { padding: 88px 18px 48px; }
}