:root {
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --text-primary: #f5f3ee;
  --text-secondary: #a8a39a;
  --accent: #c9a961;
  --accent-bright: #d9bd7a;
  --border: #2a2a2a;
  --max-width: 980px;
  --font-display: 'Cormorant Garamond', 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 2rem 2rem;
}

section { margin-bottom: 4rem; }

.topnav { margin-bottom: 2rem; }
.topnav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}
.topnav a:hover { color: var(--accent); }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

h1 { font-size: 3rem; max-width: 880px; }
h2 { font-size: 2.25rem; margin-top: 4rem; }
h3 { font-size: 1.5rem; }

h3.layer-domain {
  color: var(--accent);
  font-size: 1.75rem;
  margin-top: -0.75rem;
  margin-bottom: 1.5rem;
  letter-spacing: 0.01em;
}

p { margin-bottom: 1.25rem; color: var(--text-primary); }

p.lead {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 740px;
}

p.sources {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 2rem;
}

a { color: var(--accent); }
a:hover { color: var(--accent-bright); }

.hero-banner {
  width: 100%;
  margin: 0 0 3rem;
  display: block;
  border: 1px solid var(--border);
}

.cta-inline a {
  font-family: var(--font-display);
  font-size: 1.2rem;
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
}

.three-layer {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.layer-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  padding: 2rem;
}

.layer-card h3 {
  color: var(--accent);
  font-size: 1.4rem;
  margin-bottom: 0.35rem;
}

.layer-card .layer-role {
  color: var(--text-secondary);
  font-style: italic;
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  font-family: var(--font-display);
}

.layer-card p { font-size: 0.95rem; margin: 0; }

.institutional-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
}

.institutional-table th,
.institutional-table td {
  text-align: left;
  padding: 1rem 0.75rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  vertical-align: top;
}

.institutional-table th {
  color: var(--accent);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.78rem;
  border-bottom: 1px solid var(--accent-dim, var(--accent));
}

.institutional-table td:first-child {
  font-weight: 500;
  width: 30%;
}

.is-isnot {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 2rem 0 1rem;
  font-size: 0.95rem;
}

.is-isnot > div {
  background: var(--bg-elevated);
  border-left: 2px solid var(--accent);
  padding: 1.25rem 1.5rem;
}

.faq-block {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.faq-block h3 {
  color: var(--accent);
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.faq-block p { margin: 0; }

.cta {
  text-align: center;
  margin: 5rem 0 3rem;
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cta h2 { margin-top: 0; }

.cta-email a {
  color: var(--accent);
  font-size: 1.4rem;
  text-decoration: none;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 2rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.6;
  border-top: 1px solid var(--border);
}

footer p { color: var(--text-secondary); margin-bottom: 1rem; }

@media (max-width: 768px) {
  main { padding: 2rem 1.25rem; }
  h1 { font-size: 2.1rem; }
  h2 { font-size: 1.7rem; margin-top: 3rem; }
  .three-layer { grid-template-columns: 1fr; }
  .is-isnot { grid-template-columns: 1fr; }
  .institutional-table th, .institutional-table td { font-size: 0.85rem; padding: 0.75rem 0.5rem; }
  .institutional-table td:first-child { width: 35%; }
}