:root { --ink: #102a43; --paper: #fcfcfa; --muted: #52616b; --line: #d9e2ec; --wash: #eff6f5; --accent: #087f5b; --max-width: 1120px; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.6; }
a { color: inherit; }
a:focus-visible { outline: 3px solid #f2c94c; outline-offset: 4px; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--ink); color: white; padding: .7rem 1rem; }
.skip-link:focus { left: 1rem; z-index: 10; }
.site-header, main, footer { width: min(calc(100% - 3rem), var(--max-width)); margin-inline: auto; }
.site-header { min-height: 80px; display: flex; align-items: center; justify-content: space-between; }
.wordmark { display: grid; place-items: center; width: 40px; height: 40px; background: var(--ink); color: white; text-decoration: none; font-weight: 750; letter-spacing: -.06em; }
nav { display: flex; gap: 1.35rem; }
nav a { color: var(--muted); font-size: .92rem; font-weight: 650; text-decoration: none; }
nav a:hover { color: var(--accent); }
.hero { padding: 8rem 0 7.5rem; max-width: 850px; }
.eyebrow { margin: 0 0 .7rem; color: var(--accent); font-size: .78rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 800px; margin-bottom: 1rem; font-size: clamp(3.4rem, 10vw, 7rem); line-height: .95; letter-spacing: -.075em; }
h2 { margin-bottom: 2rem; font-size: clamp(2rem, 4.5vw, 3.25rem); line-height: 1.04; letter-spacing: -.055em; }
h3 { margin-bottom: .55rem; font-size: 1.2rem; letter-spacing: -.025em; }
.lede { max-width: 720px; margin-bottom: 2rem; color: #334e68; font-size: clamp(1.17rem, 2.5vw, 1.45rem); line-height: 1.55; }
.hero-links { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem 1.4rem; }
.button { display: inline-block; padding: .75rem 1.05rem; background: var(--accent); color: white; font-size: .94rem; font-weight: 700; text-decoration: none; }
.button:hover { background: #056346; }
.text-link { font-size: .94rem; font-weight: 700; text-decoration: none; }
.text-link:hover { color: var(--accent); }
.section { padding: 6rem 0; border-top: 1px solid var(--line); }
.section-tint { width: 100%; background: var(--wash); }
.section-tint > * { width: min(calc(100% - 3rem), var(--max-width)); margin-inline: auto; }
.research-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.2rem; }
.research-grid p { color: var(--muted); }
.note { margin: 2.5rem 0 0; padding-top: 1.2rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .94rem; }
.project-list { border-top: 1px solid var(--line); }
.project { display: grid; grid-template-columns: 52px 1fr auto; gap: 1rem; align-items: center; padding: 1.35rem .2rem; border-bottom: 1px solid var(--line); text-decoration: none; }
.project:hover { color: var(--accent); }
.project-number { color: var(--muted); font-size: .8rem; font-weight: 800; }
.project strong, .project small { display: block; }
.project small { margin-top: .18rem; color: var(--muted); }
.arrow { font-size: 1.4rem; }
.contact { padding: 7rem 0; max-width: 850px; }
.contact h2 { margin-bottom: 1.5rem; }
.contact p { margin-bottom: .25rem; }
.contact a { color: var(--accent); font-size: 1.1rem; font-weight: 700; }
footer { display: flex; justify-content: space-between; gap: 1rem; padding: 1.5rem 0 2.5rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .88rem; }
footer a { color: var(--muted); }
@media (max-width: 680px) {
  .site-header, main, footer { width: min(calc(100% - 2rem), var(--max-width)); }
  nav { gap: .85rem; font-size: .88rem; }
  .hero { padding: 5.5rem 0; }
  .section, .contact { padding: 4rem 0; }
  .section-tint > * { width: min(calc(100% - 2rem), var(--max-width)); }
  .research-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .project { grid-template-columns: 38px 1fr auto; }
  .project small { font-size: .82rem; }
}