:root {
  --ink: #20312d;
  --muted: #65736f;
  --paper: #fbfaf6;
  --stone: #f0ede5;
  --line: #d9d4c7;
  --sage: #526f64;
  --gold: #a98445;
  --white: #fff;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --shadow: 0 22px 60px rgba(32,49,45,.10);
  --radius: 6px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 1000; background: var(--ink); color: white; padding: .7rem 1rem; }
.skip-link:focus { top: 1rem; }
.wrap { width: min(calc(100% - 2.5rem), var(--max)); margin-inline: auto; }
.eyebrow { color: var(--gold); text-transform: uppercase; letter-spacing: .15em; font-size: .72rem; font-weight: 750; }
h1,h2,h3 { font-family: var(--serif); font-weight: 400; line-height: 1.08; margin: 0 0 .65em; }
h1 { font-size: clamp(3rem, 7vw, 6.4rem); letter-spacing: -.045em; }
h2 { font-size: clamp(2.25rem, 4.5vw, 4rem); letter-spacing: -.035em; }
h3 { font-size: clamp(1.4rem, 2vw, 1.85rem); }
p { margin: 0 0 1.3rem; }
.lead { font-family: var(--serif); font-size: clamp(1.25rem, 2vw, 1.65rem); line-height: 1.48; color: #3e4d49; }
.muted { color: var(--muted); }

.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(217,212,199,.85); background: rgba(251,250,246,.93); backdrop-filter: blur(16px); }
.nav { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { text-decoration: none; line-height: 1.05; font-family: var(--serif); font-size: 1.18rem; }
.brand small { display: block; margin-top: .35rem; font-family: var(--sans); color: var(--muted); text-transform: uppercase; letter-spacing: .13em; font-size: .57rem; }
.nav-links { display: flex; gap: 1.45rem; align-items: center; list-style: none; margin: 0; padding: 0; font-size: .82rem; letter-spacing: .02em; }
.nav-links a { text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--gold); }
.menu-button { display: none; border: 0; background: transparent; color: var(--ink); font: inherit; padding: .5rem; }

.hero { padding: clamp(3.5rem,8vw,8rem) 0; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(3rem,7vw,7rem); align-items: center; }
.hero h1 span { display: block; color: var(--sage); font-size: .49em; letter-spacing: -.02em; margin-top: .22em; }
.hero-copy { max-width: 650px; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .65rem 1.15rem; border: 1px solid var(--ink); text-decoration: none; font-size: .82rem; letter-spacing: .04em; transition: .2s ease; }
.button.primary { background: var(--ink); color: white; }
.button:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(32,49,45,.12); }
.portrait-frame { position: relative; padding: 1rem 1rem 0 0; }
.portrait-frame::before { content: ""; position: absolute; inset: -10% -14% 8% 14%; z-index: -1; background: #e8e4d8; border-radius: 50% 50% 4px 4px; }
.portrait { width: 100%; aspect-ratio: 4/5; object-fit: cover; object-position: center 22%; box-shadow: var(--shadow); background: var(--stone); }
.portrait-note { margin-top: .8rem; font-size: .72rem; color: var(--muted); }

.section { padding: clamp(5rem,10vw,9rem) 0; border-top: 1px solid var(--line); }
.section.alt { background: var(--stone); }
.section-head { display: grid; grid-template-columns: .75fr 1.25fr; gap: 3rem; align-items: end; margin-bottom: 3.5rem; }
.section-head p { max-width: 660px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.2rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.2rem; }
.card { border: 1px solid var(--line); background: rgba(255,255,255,.48); padding: clamp(1.5rem,3vw,2.4rem); min-height: 270px; transition: .2s ease; }
.card:hover { border-color: #b9af98; transform: translateY(-3px); }
.card .number { color: var(--gold); font-family: var(--serif); font-size: 2rem; }
.card a { text-decoration-thickness: 1px; text-underline-offset: 5px; }
.research-card { min-height: 325px; display: flex; flex-direction: column; }
.research-card .symbol { width: 54px; height: 54px; margin-bottom: auto; color: var(--sage); }
.research-card p { color: var(--muted); }
.research-card a { margin-top: auto; }
.quote { max-width: 940px; margin: 0 auto; text-align: center; font-family: var(--serif); font-size: clamp(1.8rem,3.8vw,3.5rem); line-height: 1.3; }
.quote cite { display: block; margin-top: 1.5rem; color: var(--gold); font: .75rem var(--sans); text-transform: uppercase; letter-spacing: .14em; }
.timeline { border-left: 1px solid var(--gold); margin-left: .5rem; padding-left: 2rem; }
.timeline article { position: relative; padding: 0 0 2.5rem; max-width: 760px; }
.timeline article::before { content: ""; position: absolute; width: 9px; height: 9px; border-radius: 50%; left: calc(-2rem - 5px); top: .65rem; background: var(--gold); }
.timeline h3 { margin-bottom: .25rem; }
.page-hero { padding: clamp(4.5rem,9vw,8rem) 0 clamp(3.5rem,7vw,6rem); }
.page-hero .lead { max-width: 850px; }
.prose { max-width: 790px; }
.prose h2 { margin-top: 1.5em; }
.disclosure { border-left: 3px solid var(--gold); padding: 1rem 1.3rem; background: var(--stone); font-size: .92rem; }
.publication { display: grid; grid-template-columns: 170px 1fr; gap: 2rem; align-items: center; }
.book-cover { aspect-ratio: 2/3; display: grid; place-items: center; text-align: center; padding: 1.2rem; color: white; background: linear-gradient(145deg,#243b35,#60776e); box-shadow: 0 14px 35px rgba(32,49,45,.18); font-family: var(--serif); }
.book-cover.gold { background: linear-gradient(145deg,#6c5632,#b18b49); }
.book-cover.light { color: var(--ink); background: linear-gradient(145deg,#e5e2d7,#faf9f5); }
.contact-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 4rem; }
.contact-list { list-style: none; padding: 0; }
.contact-list li { padding: .9rem 0; border-bottom: 1px solid var(--line); }
.contact-form label { display: block; margin-bottom: 1rem; font-size: .82rem; }
.contact-form input,.contact-form textarea { width: 100%; margin-top: .35rem; padding: .85rem; border: 1px solid var(--line); background: white; color: var(--ink); font: inherit; }
.contact-form textarea { min-height: 170px; resize: vertical; }

.site-footer { padding: 4rem 0 2rem; border-top: 1px solid var(--line); background: #e9e6dc; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 3rem; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links a { text-decoration: none; }
.legal { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid #cbc5b6; color: var(--muted); font-size: .72rem; }

@media (max-width: 860px) {
  .menu-button { display: block; }
  .nav-links { display: none; position: absolute; inset: 82px 0 auto; background: var(--paper); border-bottom: 1px solid var(--line); padding: 1.5rem 1.25rem 2rem; flex-direction: column; align-items: flex-start; }
  .nav-links.open { display: flex; }
  .hero-grid,.section-head,.contact-layout { grid-template-columns: 1fr; }
  .hero-copy { order: 1; }
  .portrait-frame { order: 2; max-width: 560px; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .wrap { width: min(calc(100% - 1.5rem), var(--max)); }
  .grid-3,.grid-2,.footer-grid { grid-template-columns: 1fr; }
  .publication { grid-template-columns: 110px 1fr; gap: 1.2rem; }
  .section { padding-block: 4.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { scroll-behavior: auto !important; transition: none !important; }
}
