/* Shared styles for the OMFS site — palette mirrors the map page */
:root {
  --bg: #f7f5f1;
  --ink: #1e2a2f;
  --accent: #2f6f8f;   /* single-degree teal */
  --dual: #c0562c;     /* dual-degree orange */
  --both: #7a4fa3;
  --card: #ffffff;
  --border: #d8d3c9;
  --muted: #6b6459;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

/* ---------- top navigation ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 20px;
  height: 54px;
  background: rgba(247, 245, 241, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-nav .brand {
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.site-nav .brand span { color: var(--accent); }
.site-nav .nav-links {
  margin-left: auto;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.site-nav .nav-links a {
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 18px;
  transition: background 0.15s, color 0.15s;
}
.site-nav .nav-links a:hover { background: #ece7dd; color: var(--ink); }
.site-nav .nav-links a.active { background: var(--accent); color: #fff; }

/* ---------- article / reading pages ---------- */
.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 34px 22px 80px;
}
.page-wide { max-width: 1180px; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 8px;
}
h1.title {
  font-size: 2rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}
.byline {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 26px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
}
.page h2 {
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  margin: 40px 0 6px;
}
.page h3 {
  font-size: 1.02rem;
  margin: 26px 0 4px;
}
.page p { margin: 12px 0; }
.page a { color: var(--accent); }
.lede { font-size: 1.12rem; color: #33413f; }

/* callout box for methods / notes */
.callout {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 16px 18px;
  margin: 22px 0;
  font-size: 0.94rem;
}
.callout h3 { margin-top: 0; }
.callout.warn { border-left-color: var(--dual); }

/* stat strip */
.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0;
}
.stat {
  flex: 1 1 140px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.stat .num { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
.stat .lab { font-size: 0.78rem; color: var(--muted); margin-top: 2px; }

/* figures */
figure {
  margin: 26px 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 14px 6px;
}
figure img { display: block; width: 100%; height: auto; border-radius: 4px; }
figcaption {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 10px 4px 8px;
  line-height: 1.45;
}
figcaption b { color: var(--ink); }

.page ul { margin: 12px 0; padding-left: 20px; }
.page li { margin: 6px 0; }

.form-embed iframe { display: block; max-width: 100%; border: 0; }

.footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 22px;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--muted);
}
code { background: #ece7dd; padding: 1px 5px; border-radius: 4px; font-size: 0.86em; }

@media (max-width: 560px) {
  h1.title { font-size: 1.55rem; }
  .site-nav { gap: 8px; }
  .site-nav .brand { font-size: 0.9rem; }
}