:root {
  color-scheme: dark;
  --bg: #080d0e;
  --bg-soft: #0d1517;
  --surface: #111b1d;
  --surface-2: #142124;
  --line: #294044;
  --line-soft: #1e3033;
  --text: #edf5f2;
  --muted: #a9bcba;
  --teal: #72dbc8;
  --teal-soft: #b5eee3;
  --max: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: "Segoe UI Variable", "Aptos", "Segoe UI", system-ui, sans-serif; font-size: 1.1875rem; line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
::selection { background: #1e736b; color: #fff; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 4px; border-radius: 3px; }
.skip-link { position: absolute; z-index: 100; top: -4rem; left: 1rem; padding: .65rem 1rem; background: var(--teal); color: #071010; font-weight: 700; }
.skip-link:focus { top: 1rem; }
.container { width: min(calc(100% - 3rem), var(--max)); margin-inline: auto; }
.section { padding-block: clamp(5rem, 9vw, 9rem); }
.section-tight { padding-block: clamp(3.5rem, 6vw, 6rem); }
.eyebrow { display: flex; align-items: center; gap: .75rem; margin: 0 0 1.15rem; color: var(--teal); font-size: .75rem; font-weight: 750; letter-spacing: .2em; line-height: 1.4; text-transform: uppercase; }
.eyebrow::before, .hero-meta::before { content: "|"; flex: none; color: var(--teal); font-size: 1rem; font-weight: 500; letter-spacing: 0; line-height: 1; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.07; letter-spacing: -.045em; font-weight: 650; }
h1 { font-size: clamp(3.6rem, 8.5vw, 8.2rem); }
h2 { font-size: clamp(2.5rem, 5.2vw, 5.5rem); }
h3 { font-size: clamp(1.45rem, 2.1vw, 2.1rem); }
p { color: var(--muted); }
.lead { max-width: 47rem; font-size: clamp(1.25rem, 1.6vw, 1.5rem); line-height: 1.6; }
.muted { color: var(--muted); }
.accent { color: var(--teal); }
.rule { border-top: 1px solid var(--line-soft); }
.site-header { position: relative; z-index: 20; border-bottom: 1px solid rgba(123, 188, 179, .15); background: rgba(8, 13, 14, .96); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 82px; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .8rem; min-width: max-content; }
.brand img { width: 34px; height: 34px; }
.brand-name { display: inline-flex; gap: .42rem; align-items: baseline; font-size: 1.25rem; font-weight: 800; letter-spacing: .14em; line-height: 1; }
.brand-name span { color: var(--teal); font-weight: 550; }
.primary-nav { display: flex; align-items: center; gap: clamp(.8rem, 2vw, 2.1rem); }
.primary-nav a { position: relative; padding: .75rem 0; color: #c2d2cf; font-size: 1.1875rem; font-weight: 650; letter-spacing: .02em; white-space: nowrap; transition: color .2s ease; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--text); }
.primary-nav a[aria-current="page"]::after { content: ""; position: absolute; right: 0; bottom: .35rem; left: 0; height: 2px; background: var(--teal); }
.nav-toggle { display: none; align-items: center; gap: .7rem; border: 1px solid var(--line); border-radius: 3px; background: var(--surface); color: var(--text); padding: .6rem .8rem; cursor: pointer; }
.nav-toggle-lines { width: 18px; display: grid; gap: 4px; }
.nav-toggle-lines i { display: block; width: 18px; height: 1px; background: currentColor; }
.nav-toggle-lines i:last-child { width: 12px; }
.button-row { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 1.1rem; min-height: 52px; padding: .8rem 1.15rem; border: 1px solid var(--teal); background: var(--teal); color: #081313; font-size: 1.1875rem; font-weight: 750; line-height: 1.25; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); background: var(--teal-soft); border-color: var(--teal-soft); }
.button::after, .text-link::after { content: "↗"; font-size: 1rem; font-weight: 400; }
.button-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.button-ghost:hover { background: var(--surface-2); border-color: var(--teal); }
.text-link { display: inline-flex; align-items: center; gap: .8rem; color: var(--teal-soft); font-size: 1.1875rem; font-weight: 700; border-bottom: 1px solid transparent; }
.text-link:hover { border-color: var(--teal); }
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line-soft); }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(105, 183, 174, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(105, 183, 174, .035) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(90deg, transparent, #000 46%); }
.hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); align-items: center; min-height: min(780px, calc(100svh - 82px)); gap: 2rem; padding-block: 5.5rem 6rem; }
.hero h1 { max-width: 11ch; margin-bottom: 1.6rem; }
.hero .lead { max-width: 39rem; }
.hero-visual { position: relative; width: min(100%, 520px); margin-inline: auto; filter: drop-shadow(0 0 38px rgba(61, 189, 171, .09)); }
.hero-meta { position: absolute; right: 0; bottom: 2.2rem; left: 0; display: flex; align-items: center; gap: .75rem; color: #8ca6a2; font-size: .7rem; font-weight: 650; letter-spacing: .16em; text-transform: uppercase; }
.section-intro { display: flex; justify-content: space-between; gap: 4rem; align-items: end; margin-bottom: 3.4rem; }
.section-intro h2 { max-width: 13ch; margin-bottom: 0; }
.section-intro p { max-width: 30rem; margin-bottom: .2rem; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.research-card { position: relative; display: flex; flex-direction: column; min-height: 340px; padding: clamp(1.5rem, 3vw, 2.5rem); background: var(--surface); transition: background .2s ease; }
.research-card:hover { background: var(--surface-2); }
.card-index { display: block; color: var(--teal); font-size: .72rem; font-weight: 700; letter-spacing: .14em; }
.card-glyph { display: block; width: 62px; height: 62px; margin: 2rem 0 3.2rem; border: 1px solid #456d68; border-radius: 50%; position: relative; }
.card-glyph::before { content: ""; position: absolute; inset: 11px; border: 1px solid var(--teal); transform: rotate(45deg); }
.card-glyph.square { border-radius: 2px; transform: rotate(45deg); }
.card-glyph.square::before { border-radius: 50%; transform: rotate(0); }
.card-glyph.open { border-right-color: transparent; }
.card-glyph.open::before { border-left-color: transparent; }
.research-card h3 { margin-bottom: .9rem; font-size: 1.22rem; letter-spacing: -.015em; text-transform: uppercase; }
.research-card p { margin-bottom: 0; max-width: 28rem; }
.statement { border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); background: linear-gradient(110deg, #0c1517 0%, #111d20 62%, #0b1214 100%); }
.statement-inner { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 4rem; }
.statement h2 { max-width: 15ch; margin-bottom: 0; }
.statement-copy p { max-width: 38rem; font-size: 1.1875rem; }
.statement-copy p:last-child { margin-bottom: 0; }
.page-hero { position: relative; overflow: hidden; padding-block: clamp(5rem, 10vw, 9rem) clamp(4rem, 8vw, 7rem); border-bottom: 1px solid var(--line-soft); background: radial-gradient(circle at 80% 35%, rgba(54, 127, 118, .14), transparent 35%), var(--bg); }
.page-hero::after { content: ""; position: absolute; top: 0; right: max(0px, calc((100vw - var(--max)) / 2)); width: 1px; height: 100%; background: var(--line-soft); opacity: .65; }
.page-hero h1 { max-width: 15ch; margin-bottom: 1.5rem; font-size: clamp(3.3rem, 6.7vw, 6.9rem); }
.page-hero .lead { margin-bottom: 0; }
.page-hero .page-number { position: absolute; top: -2.1rem; right: 2rem; width: 4.5rem; color: #6e8985; font-size: .77rem; font-variant-numeric: tabular-nums; letter-spacing: .16em; text-align: right; white-space: nowrap; }
.page-hero .container { position: relative; }
.research-list { border-top: 1px solid var(--line); }
.research-row { display: grid; grid-template-columns: minmax(90px, .25fr) minmax(230px, .85fr) minmax(260px, 1fr); gap: clamp(1.5rem, 4vw, 5rem); padding-block: clamp(2.3rem, 5vw, 4.5rem); border-bottom: 1px solid var(--line); }
.research-row .number { color: var(--teal); font-size: .82rem; font-weight: 700; letter-spacing: .12em; }
.research-row h2 { margin: 0; font-size: clamp(1.65rem, 2.55vw, 2.7rem); letter-spacing: -.035em; }
.research-row p:last-child { margin-bottom: 0; }
.status-tag { display: inline-block; width: max-content; margin-bottom: 1rem; padding: .35rem .55rem; border: 1px solid #507c75; color: var(--teal-soft); font-size: .66rem; font-weight: 800; letter-spacing: .11em; line-height: 1.25; text-transform: uppercase; }
.principle-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.principle { min-height: 265px; padding: clamp(1.5rem, 3vw, 2.6rem); background: var(--surface); }
.principle h2 { margin-top: 2.6rem; margin-bottom: .9rem; font-size: clamp(1.5rem, 2.4vw, 2.3rem); }
.principle p { max-width: 31rem; margin-bottom: 0; }
.principle:last-child { grid-column: 1 / -1; }
.note-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: clamp(2rem, 6vw, 6.5rem); align-items: start; }
.notes-index { position: sticky; top: 2rem; padding-top: .2rem; }
.notes-index strong { display: block; margin-bottom: 1.2rem; color: var(--teal); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; }
.notes-index a { display: block; padding: .8rem 0; border-top: 1px solid var(--line-soft); color: var(--muted); font-size: 1.1875rem; line-height: 1.4; }
.notes-index a:hover { color: var(--text); }
.article { scroll-margin-top: 2rem; padding-bottom: clamp(4rem, 8vw, 7rem); margin-bottom: clamp(4rem, 8vw, 7rem); border-bottom: 1px solid var(--line); }
.article:last-child { margin-bottom: 0; padding-bottom: 0; border: 0; }
.article h2 { max-width: 16ch; margin-bottom: 1.5rem; font-size: clamp(2.3rem, 4vw, 4rem); }
.article h3 { margin: 2.6rem 0 .8rem; font-size: 1.35rem; letter-spacing: -.02em; }
.article p { max-width: 46rem; font-size: 1.1875rem; }
.article .article-intro { color: var(--text); font-size: 1.23rem; line-height: 1.55; }
.article-meta { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2rem; color: #8ea7a2; font-size: .72rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.info-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(2rem, 6vw, 7rem); }
.info-grid h2 { max-width: 15ch; }
.detail-list { border-top: 1px solid var(--line); }
.detail { display: grid; grid-template-columns: minmax(135px, .42fr) 1fr; gap: 1rem; padding-block: 1.3rem; border-bottom: 1px solid var(--line); }
.detail dt { color: var(--text); font-weight: 700; }
.detail dd { margin: 0; color: var(--muted); }
.leadership-grid { display: grid; grid-template-columns: 200px minmax(0, 1fr); align-items: center; gap: clamp(2rem, 6vw, 6rem); }
.leader-portrait { width: 190px; aspect-ratio: 1; margin: 0; border: 2px solid var(--teal); border-radius: 50%; overflow: hidden; box-shadow: 0 0 0 10px rgba(114, 219, 200, .06); }
.leader-portrait img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.leader-copy h2 { margin-bottom: .7rem; }
.leader-copy p:last-child { max-width: 43rem; margin-bottom: 0; }
.leader-title { color: var(--teal-soft); font-size: 1.1875rem; font-weight: 700; }
.contact-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.contact-card { min-height: 290px; padding: clamp(1.5rem, 3vw, 2.4rem); background: var(--surface); }
.contact-card h2 { margin-top: 3.4rem; font-size: 1.55rem; }
.contact-card p { margin-bottom: 0; }
.placeholder { display: inline-block; padding: .9rem 1rem; border: 1px solid var(--line); background: var(--surface); color: var(--teal-soft); font-size: .83rem; font-weight: 700; letter-spacing: .04em; }
.cta-panel { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; padding: clamp(2rem, 5vw, 4.5rem); border: 1px solid var(--line); background: var(--surface); }
.cta-panel h2 { max-width: 15ch; margin: 0; font-size: clamp(2rem, 4vw, 3.8rem); }
.site-footer { padding: 4rem 0 2rem; border-top: 1px solid var(--line); background: #090f10; }
.footer-top { display: grid; grid-template-columns: 1fr auto; gap: 3rem; padding-bottom: 3rem; }
.footer-brand p { margin: 1.1rem 0 0; color: var(--muted); font-size: 1.1875rem; }
.footer-links { display: grid; grid-template-columns: repeat(2, minmax(125px, 1fr)); gap: .65rem 2.2rem; }
.footer-links a { color: var(--muted); font-size: 1.1875rem; }
.footer-links a:hover { color: var(--teal-soft); }
.footer-bottom { display: flex; justify-content: space-between; gap: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--line-soft); color: #839c98; font-size: 1.1875rem; }
.footer-bottom p { margin: 0; }

@media (max-width: 1000px) {
  .header-inner { gap: 1rem; }
  .primary-nav { gap: 1rem; }
  .primary-nav a { font-size: 1.1875rem; }
  .hero-inner { grid-template-columns: 1.1fr .9fr; }
  .research-row { grid-template-columns: 55px 1fr 1.1fr; }
}

@media (max-width: 960px) {
  .container { width: min(calc(100% - 2rem), var(--max)); }
  .header-inner { min-height: 70px; }
  .nav-toggle { display: inline-flex; }
  .primary-nav { display: none; position: absolute; top: 100%; right: 0; left: 0; flex-direction: column; align-items: stretch; gap: 0; padding: .7rem 1rem 1rem; border-bottom: 1px solid var(--line); background: #0d1517; box-shadow: 0 18px 26px rgba(0,0,0,.25); }
  .site-header.is-open .primary-nav { display: flex; }
  .primary-nav a { padding: .8rem .5rem; border-bottom: 1px solid var(--line-soft); font-size: 1.1875rem; }
  .primary-nav a[aria-current="page"]::after { right: auto; left: .5rem; bottom: .42rem; width: 1.4rem; }
  .hero-inner { grid-template-columns: 1fr; gap: 2rem; min-height: 0; padding-block: 5rem 5.5rem; }
  .hero-visual { max-width: 380px; margin: 0 auto; }
  .hero-meta { bottom: 1.7rem; }
  .section-intro, .statement-inner, .info-grid { display: block; }
  .leadership-grid { grid-template-columns: 1fr; }
  .leader-portrait { width: clamp(160px, 40vw, 180px); }
  .section-intro p { margin-top: 1.5rem; }
  .statement-copy { margin-top: 2rem; }
  .card-grid { grid-template-columns: 1fr; }
  .research-card { min-height: 245px; }
  .card-glyph { margin: 1.6rem 0 2.2rem; }
  .research-row { grid-template-columns: 45px 1fr; }
  .research-row > div:last-child { grid-column: 2; }
  .note-layout { grid-template-columns: 1fr; }
  .notes-index { position: static; display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; }
  .notes-index strong { grid-column: 1 / -1; }
  .notes-index a { border-bottom: 1px solid var(--line-soft); }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-card { min-height: 220px; }
  .contact-card h2 { margin-top: 2rem; }
  .footer-top { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  h1 { font-size: clamp(3.15rem, 15vw, 5rem); }
  .page-hero h1 { font-size: clamp(3rem, 13vw, 4.6rem); }
  .hero-visual { max-width: 300px; }
  .principle-grid { grid-template-columns: 1fr; }
  .principle:last-child { grid-column: auto; }
  .research-row { grid-template-columns: 1fr; gap: .8rem; }
  .research-row > div:last-child { grid-column: auto; }
  .notes-index { grid-template-columns: 1fr; }
  .detail { grid-template-columns: 1fr; gap: .25rem; }
  .cta-panel { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; gap: .5rem; }
  .footer-bottom { flex-direction: column; gap: .5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
