:root {
  --color-background: #FAFAF7;
  --color-surface: #F5F0EB;
  --color-surface-2: #EDE7DF;
  --color-text: #2D2D2D;
  --color-text-secondary: #6B6B6B;
  --color-text-dim: #9A9A9A;
  --color-accent: #E8773A;
  --color-accent-bg: rgba(232, 119, 58, 0.08);
  --color-border: #E0DCD5;
  --color-border-light: #ECE8E2;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  display: flex; flex-direction: column; min-height: 100vh;
}
::selection { background: rgba(232, 119, 58, 0.2); }
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 760px; width: 100%; margin: 0 auto; padding: 0 24px; }
.container--wide { max-width: 960px; }
main { flex: 1; }

.hero { padding: 56px 0 36px; border-bottom: 1px solid var(--color-border); }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; background: var(--color-accent-bg);
  border: 1px solid rgba(232, 119, 58, 0.25);
  border-radius: 16px; font-size: 12px; font-weight: 600;
  color: var(--color-accent); margin-bottom: 18px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.hero h1 { font-size: 2rem; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 10px; }
.hero-subtitle { color: var(--color-text-secondary); font-size: 1.05rem; }
.back-link { display: inline-block; margin-top: 18px; font-size: 0.9rem; color: var(--color-text-secondary); }
.back-link::before { content: "← "; }

.section-label {
  display: block; margin: 48px 0 12px;
  font-size: 11px; font-weight: 600; color: var(--color-accent);
  text-transform: uppercase; letter-spacing: 1px;
}

.criteria-grid { display: grid; grid-template-columns: 1fr; gap: 12px; margin-bottom: 40px; list-style: none; }
@media (min-width: 720px) { .criteria-grid { grid-template-columns: 1fr 1fr; } }
.criterion-card {
  display: block; padding: 20px;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 8px; color: inherit;
  transition: border-color 120ms ease, background-color 120ms ease;
}
.criterion-card:hover { border-color: var(--color-accent); text-decoration: none; background: #F7F1EA; }
.criterion-id {
  display: inline-block; padding: 2px 8px; margin-bottom: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px; font-weight: 600; color: var(--color-accent);
  background: var(--color-accent-bg); border-radius: 4px;
}
.criterion-name { font-size: 1.05rem; font-weight: 600; color: var(--color-text); }

.prose { padding: 32px 0 56px; }
.prose h1, .prose h2, .prose h3, .prose h4 { color: var(--color-text); margin-top: 32px; margin-bottom: 12px; line-height: 1.3; font-weight: 700; }
.prose h1 { font-size: 1.6rem; }
.prose h2 { font-size: 1.3rem; }
.prose h3 { font-size: 1.1rem; }
.prose h4 { font-size: 1rem; }
.prose p { margin-bottom: 14px; color: var(--color-text); }
.prose ul, .prose ol { margin: 8px 0 16px 24px; }
.prose li { margin-bottom: 6px; }
.prose blockquote {
  margin: 16px 0; padding: 10px 18px;
  background: var(--color-surface); border-left: 3px solid var(--color-accent);
  color: var(--color-text-secondary); border-radius: 0 6px 6px 0;
}
.prose strong { color: var(--color-text); font-weight: 600; }
.prose em { color: var(--color-text); }
.prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88em; background: var(--color-surface-2);
  padding: 1px 6px; border-radius: 4px; color: var(--color-text);
}
.prose pre { background: var(--color-surface); padding: 14px 18px; border-radius: 6px; overflow-x: auto; margin: 14px 0; border: 1px solid var(--color-border); }
.prose pre code { background: transparent; padding: 0; }
.prose table { width: 100%; border-collapse: separate; border-spacing: 0; margin: 16px 0; border: 1px solid var(--color-border); border-radius: 6px; overflow: hidden; }
.prose th, .prose td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--color-border); }
.prose th { background: var(--color-surface-2); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--color-text-secondary); }
.prose tr:last-child td { border-bottom: none; }
.prose hr { border: none; border-top: 1px solid var(--color-border); margin: 28px 0; }

.crit-nav {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 24px 0; border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
}
.crit-nav a { color: var(--color-text-secondary); }
.crit-nav .next { text-align: right; }

footer {
  padding: 24px 0 32px; border-top: 1px solid var(--color-border);
  color: var(--color-text-dim); font-size: 0.85rem;
}
.footer-row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
footer a { color: var(--color-text-secondary); }