:root {
  --ink: #13211d;
  --muted: #5e6b66;
  --paper: #f5f2e9;
  --card: #fffdf7;
  --line: #d9d5c9;
  --accent: #d95d39;
  --forest: #174b3c;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}
a { color: inherit; }
.site-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1.25rem clamp(1.25rem, 5vw, 5rem);
  border-bottom: 1px solid var(--line);
}
.brand { font-size: 1.05rem; font-weight: 780; text-decoration: none; letter-spacing: -0.02em; }
.pilot, .card-meta span, .tags span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.18rem 0.55rem;
  font-size: 0.75rem;
}
nav { margin-left: auto; }
main { min-height: calc(100vh - 11rem); }
.hero, .project-section, .detail { width: min(1120px, calc(100% - 2.5rem)); margin-inline: auto; }
.hero { padding: clamp(4rem, 11vw, 9rem) 0 clamp(3rem, 8vw, 6rem); }
.hero h1, .detail h1 {
  max-width: 900px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 9vw, 7.6rem);
  font-weight: 500;
  line-height: 0.96;
  letter-spacing: -0.055em;
}
.hero > p:last-child { max-width: 660px; margin-top: 2rem; font-size: clamp(1.1rem, 2vw, 1.35rem); color: var(--muted); }
.eyebrow { color: var(--accent); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.13em; text-transform: uppercase; }
.project-section { padding-bottom: 5rem; }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; border-bottom: 1px solid var(--ink); }
.section-heading h2 { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.08em; }
.section-heading span { color: var(--muted); font-size: 0.86rem; }
.project-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 1px; background: var(--line); border-bottom: 1px solid var(--line); }
.project-card, .empty-state { min-height: 280px; padding: 1.6rem; background: var(--card); }
.project-card h3 { margin: 2.6rem 0 1rem; font-family: Georgia, serif; font-size: 1.65rem; line-height: 1.15; }
.project-card h3 a { text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
.project-card p { color: var(--muted); }
.card-meta, .tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.card-meta { justify-content: space-between; }
.tags span { background: #edf0e8; }
.detail { max-width: 900px; padding-block: 4rem 7rem; }
.detail h1 { margin: 1rem 0 2rem; font-size: clamp(2.8rem, 7vw, 6rem); }
.back { display: inline-block; margin-bottom: 4rem; color: var(--muted); }
.description { margin: 3.5rem 0; font-family: Georgia, serif; font-size: clamp(1.2rem, 2vw, 1.5rem); }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); border-block: 1px solid var(--line); }
.facts div { padding: 1.2rem 1.2rem 1.2rem 0; }
.facts dt { color: var(--muted); font-size: 0.75rem; text-transform: uppercase; }
.facts dd { margin: 0.3rem 0 0; }
.access-note, .nda-panel { margin-top: 2rem; padding: 1.4rem; background: #e7ece6; border-left: 3px solid var(--forest); }
.nda-panel { margin-top: 3rem; background: #f0e4df; border-color: var(--accent); }
footer { padding: 2rem clamp(1.25rem, 5vw, 5rem); border-top: 1px solid var(--line); color: var(--muted); font-size: 0.86rem; }
@media (max-width: 600px) { .section-heading span { display: none; } }