/* Oriens Base Styles — shared across all pages */
:root {
  --paper: #F7F0E7;
  --ink: #1E1A17;
  --vermilion: #C85A39;
  --muted: #6B6760;
  --border: #E5DDD3;
  --gold: #B8965A;
}
@media (prefers-color-scheme:dark) {
  :root { --paper:#1A1612; --ink:#E8E0D6; --vermilion:#D47A5A; --muted:#99948D; --border:#2E2926; --gold:#A88540; }
}

* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:"Georgia","Times New Roman","Songti SC",-apple-system,serif; background:var(--paper); color:var(--ink); line-height:1.8; -webkit-font-smoothing:antialiased; }

/* ── Layout ── */
.page { max-width:760px; margin:0 auto; padding:24px 24px 80px; }

/* ── Navigation ── */
.site-nav {
  position:sticky; top:0; z-index:100;
  display:flex; align-items:center; gap:16px;
  background:rgba(247,240,231,0.92); backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  padding:0 24px; height:52px;
}
@media (prefers-color-scheme:dark) { .site-nav { background:rgba(26,22,18,0.92); } }
.nav-logo { font-size:18px; font-weight:600; color:var(--ink); text-decoration:none; letter-spacing:-0.3px; flex-shrink:0; }
.nav-logo::before { content:"◈ "; font-size:14px; color:var(--vermilion); }
.nav-search { position:relative; flex:1; max-width:320px; }
.search-input { width:100%; height:34px; padding:0 12px; border:1px solid var(--border); border-radius:8px; background:rgba(255,255,255,0.5); font-size:14px; font-family:inherit; color:var(--ink); outline:none; transition:border-color 0.2s; }
.search-input:focus { border-color:var(--gold); background:white; }
.search-results { position:absolute; top:40px; left:0; right:0; background:white; border:1px solid var(--border); border-radius:8px; box-shadow:0 8px 24px rgba(30,26,23,0.10); max-height:400px; overflow-y:auto; z-index:200; }
.sr-item { display:block; padding:10px 14px; text-decoration:none; color:var(--ink); border-bottom:1px solid var(--border); }
.sr-item:last-child { border-bottom:none; }
.sr-item:hover { background:var(--paper); }
.sr-title { display:block; font-size:14px; font-weight:500; }
.sr-sub { display:block; font-size:12px; color:var(--muted); }
.sr-tag { display:inline-block; font-size:11px; background:var(--paper); padding:1px 8px; border-radius:8px; color:var(--muted); margin-top:4px; }
.sr-none { padding:14px; font-size:14px; color:var(--muted); text-align:center; }
.sr-all { border-bottom:none; font-weight:500; color:var(--vermilion); }
.nav-links { display:flex; align-items:center; gap:4px; margin-left:auto; }
.nav-links a { font-size:14px; color:var(--muted); text-decoration:none; padding:6px 14px; border-radius:6px; transition:color 0.2s, background 0.2s; }
.nav-links a:hover { color:var(--ink); background:rgba(30,26,23,0.04); }
.nav-links .nav-app { background:var(--ink); color:var(--paper); padding:6px 18px; }
.nav-links .nav-app:hover { background:var(--ink); color:var(--paper); }
@media (prefers-color-scheme:dark) { .nav-links .nav-app { background:var(--vermilion); color:var(--paper); } .nav-links .nav-app:hover { background:#b85535; } }
.nav-toggle { display:none; }
.nav-hamburger { display:none; cursor:pointer; margin-left:auto; padding:8px; }
.nav-hamburger span { display:block; width:20px; height:2px; background:var(--ink); margin:4px 0; border-radius:1px; transition:transform 0.2s; }
@media (max-width:700px) {
  .nav-hamburger { display:block; }
  .nav-search { display:none; }
  .nav-links { display:none; position:absolute; top:52px; left:0; right:0; background:var(--paper); border-bottom:1px solid var(--border); padding:8px 16px 16px; flex-direction:column; align-items:stretch; gap:0; box-shadow:0 8px 24px rgba(30,26,23,0.08); }
  .nav-links a { display:block; padding:12px 16px; border-radius:6px; }
  .nav-toggle:checked ~ .nav-links { display:flex; }
  .nav-toggle:checked ~ .nav-hamburger span:nth-child(1) { transform:rotate(45deg) translate(4px,4px); }
  .nav-toggle:checked ~ .nav-hamburger span:nth-child(2) { opacity:0; }
  .nav-toggle:checked ~ .nav-hamburger span:nth-child(3) { transform:rotate(-45deg) translate(4px,-4px); }
}

/* ── Breadcrumb / Freshness ── */
.bread { font-size:13px; color:var(--muted); margin-bottom:32px; }
.bread a { color:var(--vermilion); text-decoration:none; }
.freshness { float:right; font-size:12px; color:var(--muted); }

/* ── Typography ── */
h1 { font-size:32px; font-weight:300; line-height:1.3; margin-bottom:6px; letter-spacing:-0.5px; }
.sub { font-size:15px; color:var(--muted); margin-bottom:32px; }
h2 { font-size:22px; font-weight:500; margin:40px 0 16px; }
p { font-size:17px; color:var(--ink); margin-bottom:16px; }
a { color:var(--vermilion); text-decoration:none; }
a:hover { text-decoration:underline; }
ul, ol { margin:0 0 16px 24px; }
li { margin-bottom:8px; }

/* ── Components ── */
.definition { font-size:18px; line-height:1.8; margin-bottom:32px; padding-bottom:24px; border-bottom:1px solid var(--border); }
.key-takeaway { background:white; border-left:3px solid var(--gold); padding:16px 20px; margin-bottom:24px; border-radius:4px; font-size:17px; line-height:1.6; }
.key-takeaway strong { color:var(--ink); }
.insight { background:rgba(184,150,90,.08); border-left:2px solid var(--gold, #B8965A); padding:18px 20px; border-radius:2px; }
.named-citation { font-size:14px; color:var(--muted); font-style:italic; margin-bottom:20px; padding:10px 14px; background:white; border-radius:4px; border:1px solid var(--border); }

/* ── Stats / Card Grid ── */
.stats-bar { display:grid; grid-template-columns:repeat(auto-fit,minmax(140px,1fr)); gap:12px; margin-bottom:32px; }
.stat { background:white; border:1px solid var(--border); border-radius:6px; padding:12px 16px; text-align:center; font-size:13px; color:var(--muted); }
.stat-num { display:block; font-size:24px; font-weight:600; color:var(--ink); margin-bottom:1px; letter-spacing:-0.5px; }
.card-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:12px; margin-bottom:32px; }
.rcard { display:block; background:white; border:1px solid var(--border); padding:16px; border-radius:4px; text-decoration:none; color:var(--ink); }
.rcard:hover { border-color:var(--gold); }
.rcard h3 { font-size:15px; margin-bottom:6px; }
.rcard p { font-size:13px; color:var(--muted); margin-bottom:0; }
.cta-link { display:inline-block; background:var(--ink); color:white; padding:12px 28px; border-radius:4px; text-decoration:none; font-size:15px; margin-top:8px; }
.cta-link:hover { background:#2A2520; }

/* ── Blockquote / Citation ── */
blockquote {
  border-left:3px solid var(--gold);
  margin:24px 0;
  padding:14px 20px;
  background:white;
  font-style:italic;
  color:var(--muted);
  border-radius:4px;
}
blockquote p { margin-bottom:6px; }
blockquote cite {
  display:block;
  margin-top:8px;
  font-size:14px;
  color:var(--vermilion);
  font-style:normal;
  text-align:right;
}
@media (prefers-color-scheme:dark) { blockquote { background:rgba(255,255,255,0.04); } }

/* ── FAQ ── */
.faq-section { margin-top:48px; padding-top:32px; border-top:1px solid var(--border); }
.faq-item { margin-bottom:24px; }
.faq-item h3 { font-size:17px; font-weight:500; margin-bottom:6px; color:var(--ink); }
.faq-item p { font-size:15px; color:var(--muted); margin-bottom:0; }

/* ── Footer ── */
footer { margin-top:64px; padding:48px 24px; border-top:1px solid var(--border); display:flex; flex-wrap:wrap; gap:40px; font-size:14px; color:var(--muted); }
footer a { color:var(--muted); text-decoration:none; display:block; margin-bottom:6px; }
footer a:hover { color:var(--ink); }
.footer-title { font-weight:600; color:var(--ink); margin-bottom:12px; }
.footer-cols { flex:1; min-width:160px; }
.footer-bottom { width:100%; padding-top:24px; border-top:1px solid var(--border); margin-top:24px; font-size:13px; text-align:center; color:var(--muted); }
@media (prefers-color-scheme:dark) { footer a:hover { color:var(--ink); } }

/* ── Responsive ── */
@media (max-width:600px) {
  h1 { font-size:26px; }
  .page { padding:24px 16px 60px; }
  .card-grid { grid-template-columns:1fr; }
}