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

:root {
  --bg: #09090b;
  --border: rgba(255,255,255,0.08);
  --text: #fafafa;
  --text2: #a1a1aa;
  --text3: #71717a;
  --body: #d4d4d8;
  --accent: #f97316;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 768px;
  margin: 0 auto;
  padding: 24px 16px 0;
}
.nav-logo { display: flex; align-items: center; gap: 8px; font-size: 18px; font-weight: 800; color: var(--text); text-decoration: none; letter-spacing: -0.3px; }
.logo-icon { width: 32px; height: 32px; background: var(--accent); border-radius: 8px; display: flex; align-items: center; justify-content: center; }
.nav-back { font-size: 13px; color: var(--text3); text-decoration: none; }
.nav-back:hover { color: var(--text2); }

main { max-width: 768px; margin: 0 auto; padding: 48px 16px 80px; }
h1 { font-size: 30px; font-weight: 700; letter-spacing: -0.5px; margin-bottom: 8px; }
.meta { color: var(--text3); font-size: 14px; margin-bottom: 40px; }

.content { font-size: 14px; line-height: 1.7; color: var(--body); }
section { margin-bottom: 40px; }
h2 { font-size: 18px; font-weight: 600; color: var(--text); margin-bottom: 12px; }
h3 { font-size: 14px; font-weight: 600; color: #e4e4e7; margin: 16px 0 8px; }
p + p { margin-top: 12px; }
ul { list-style: disc; padding-left: 20px; margin-top: 12px; }
li + li { margin-top: 8px; }
strong, .hl { color: var(--text); font-weight: 600; }
code { color: var(--text2); font-size: 13px; }
a { color: var(--body); text-decoration: underline; }
a:hover { color: var(--text); }
.callout {
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 14px 16px;
  margin-top: 16px;
  color: var(--text);
  font-weight: 500;
}

footer {
  border-top: 1px solid var(--border);
  max-width: 768px;
  margin: 0 auto;
  padding: 24px 16px 40px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  font-size: 12px;
  color: var(--text3);
}
footer nav { display: flex; gap: 20px; padding: 0; margin: 0; max-width: none; }
footer a { color: var(--text3); text-decoration: none; }
footer a:hover { color: var(--text2); }