/* SI Edu's public pages: home, privacy, terms. One stylesheet, SI Edu's own colours (navy, ocean, paper), Georgia titles. */
:root{--bg:#F5F4EF;--card:#FFFFFF;--ink:#141413;--muted:#5E6268;--line:rgba(20,20,19,.12);--navy:#1F3150;--ocean:#6A9BCC;--soft:#DDE8F3;
  --display:Georgia,"Times New Roman",serif;--ui:-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,sans-serif}
@media (prefers-color-scheme:dark){:root{--bg:#1A1A1A;--card:#262626;--ink:#ECECEC;--muted:#A0A0A0;--line:rgba(255,255,255,.12);--navy:#C9DBEE;--soft:#2A3A4D}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 var(--ui);padding:0 16px 56px}
.wrap{max-width:760px;margin:0 auto}
header{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:22px 0;border-bottom:1px solid var(--line)}
.brand{font:700 22px/1 var(--display);color:var(--navy);text-decoration:none}
nav a{color:var(--ink);text-decoration:none;margin-left:18px;font-size:15px}
nav a[aria-current]{font-weight:600;border-bottom:2px solid var(--ocean)}
h1{font:700 36px/1.15 var(--display);margin:36px 0 10px;color:var(--navy)}
h2{font:600 22px/1.25 var(--display);margin:34px 0 8px}
p,li{max-width:68ch}
.lead{font-size:19px;color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin:18px 0}
.note{background:var(--soft);border-radius:12px;padding:14px 18px}
.date{color:var(--muted);font-size:14px}
table{border-collapse:collapse;width:100%;font-size:15px}
th,td{text-align:left;vertical-align:top;padding:9px 12px 9px 0;border-bottom:1px solid var(--line)}
code{font-size:14px;background:var(--soft);padding:1px 5px;border-radius:4px}
footer{margin-top:48px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
a{color:var(--navy)}