/* Shared styles for /terms, /privacy, /acceptable-use, /institutions. */
:root {
  --bg: #ffffff; --bg-alt: #fafafa; --bg-soft: #f3f4f6;
  --border: #e5e7eb; --text: #0f172a; --text-soft: #334155; --muted: #64748b;
  --accent: #7c3aed; --accent-dark: #6d28d9; --accent-soft: #f3eeff;
  --warm: #f59e0b; --danger: #dc2626;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg-alt); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6; font-size: 15px; }
header.site { background: var(--bg); border-bottom: 1px solid var(--border); }
.container { max-width: 820px; margin: 0 auto; padding: 0 24px; }
.header-inner { display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700;
  font-size: 1.02rem; color: var(--text); text-decoration: none; }
.brand svg { color: var(--accent); }
.brand-tag { color: var(--muted); font-weight: 500; font-size: 0.86rem; margin-left: 6px; }
.legal { background: white; max-width: 820px; margin: 32px auto 60px;
  padding: 36px 40px; border-radius: 14px; border: 1px solid var(--border); }
.legal h1 { font-size: 1.7rem; font-weight: 800; letter-spacing: -0.02em;
  margin: 0 0 4px; }
.legal .effective { color: var(--muted); font-size: 0.86rem; margin: 0 0 24px; }
.legal h2 { font-size: 1.1rem; font-weight: 700; margin: 28px 0 8px; }
.legal h3 { font-size: 0.96rem; font-weight: 700; margin: 18px 0 6px; }
.legal p, .legal li { font-size: 0.92rem; color: var(--text-soft); line-height: 1.6; }
.legal a { color: var(--accent); }
.legal ul { padding-left: 20px; margin: 8px 0 14px; }
.legal hr { border: none; border-top: 1px solid var(--border); margin: 28px 0; }
.back-link { color: var(--muted); text-decoration: none; font-size: 0.84rem; }
.back-link:hover { color: var(--text); }