:root {
  --bg: #fafaf9;
  --surface: #ffffff;
  --ink: #1c1917;
  --muted: #57534e;
  --line: #e7e5e4;
  --accent: #0f766e;
  --accent-soft: #f0fdfa;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
}
header.site-header {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}
.nav-wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.brand span { color: var(--accent); font-weight: 400; font-style: italic; }
nav ul { display: flex; gap: 1.5rem; list-style: none; }
nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}
nav a:hover, nav a.active { color: var(--accent); }
.container { max-width: 1120px; margin: 0 auto; padding: 2.5rem 1.5rem; }
.hero {
  background: linear-gradient(135deg, #0f172a 0%, #134e4a 100%);
  color: #f8fafc;
  border-radius: 18px;
  padding: 3.5rem 2.5rem;
  margin-bottom: 2.5rem;
}
.hero .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: #5eead4;
  margin-bottom: 0.75rem;
}
.hero h1 {
  font-family: Georgia, serif;
  font-size: 2.5rem;
  line-height: 1.2;
  max-width: 720px;
  margin-bottom: 1rem;
}
.hero p { color: #cbd5e1; max-width: 650px; font-size: 1.08rem; }
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.75rem;
}
.filter-btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.88rem;
}
.filter-btn.active, .filter-btn:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px -8px rgba(15, 23, 42, 0.08);
}
.card img { width: 100%; height: 210px; object-fit: cover; display: block; }
.card-body { padding: 1.35rem; flex: 1; display: flex; flex-direction: column; }
.meta {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 0.4rem;
}
.card h2 {
  font-family: Georgia, serif;
  font-size: 1.28rem;
  margin-bottom: 0.55rem;
}
.card p { color: var(--muted); font-size: 0.94rem; margin-bottom: 1.1rem; flex: 1; }
.card a.read-more {
  color: var(--ink);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
}
.card a.read-more:hover { color: var(--accent); }
.article-wrap {
  max-width: 780px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2.5rem;
}
.article-wrap h1 { font-family: Georgia, serif; font-size: 2.1rem; margin-bottom: 0.75rem; }
.article-wrap img.lead { width: 100%; border-radius: 12px; margin: 1.25rem 0 1.75rem; }
.article-wrap h2 { font-family: Georgia, serif; font-size: 1.35rem; margin: 1.75rem 0 0.65rem; }
.article-wrap p { margin-bottom: 1.1rem; color: #292524; }
.info-box {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  padding: 1rem 1.25rem;
  border-radius: 6px;
  margin: 1.5rem 0;
  font-size: 0.92rem;
}
table.coords {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
table.coords th, table.coords td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 0.92rem;
}
table.coords th { background: #f5f5f4; font-weight: 600; }
footer.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 4rem;
  padding: 2.2rem 1.5rem;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}