:root {
  --ink: #1d1d1f;
  --paper: #fff;
  --paper-2: #f5f5f7;
  --white: #fff;
  --muted: #626267;
  --rule: #dedee2;
  --accent: #0066cc;
  --blue: #0066cc;
  --max: 76rem;
  --gutter: clamp(1.25rem, 5vw, 5rem);
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --serif: var(--sans);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5.5rem; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 1rem; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }
img { max-width: 100%; }
::selection { color: white; background: #0066cc; }
.skip-link { position: fixed; top: -5rem; left: 1rem; z-index: 100; padding: .75rem 1rem; background: white; }
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
.site-header { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 4.5rem; padding: .8rem var(--gutter); border-bottom: 1px solid #e8e8ed; background: rgba(255,255,255,.95); backdrop-filter: blur(16px); }
.wordmark { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font-size: .95rem; font-weight: 650; letter-spacing: -.02em; }
.wordmark > span:first-child { display: grid; width: 2rem; height: 2rem; place-items: center; border-radius: 50%; color: white; background: var(--ink); font-size: .7rem; }
.primary-nav { display: flex; align-items: center; gap: 1.8rem; font-size: .8rem; }
.primary-nav a { text-decoration: none; }
.primary-nav a:hover, .primary-nav a[aria-current] { color: var(--blue); }
.primary-nav .nav-contact { padding: .5rem 1rem; border-radius: 999px; color: white; background: var(--blue); }
.menu-button { display: none; align-items: center; gap: .5rem; border: 0; background: transparent; padding: .6rem; }
.menu-glyph, .menu-glyph::after { display: block; width: 1rem; height: 1px; content: ""; background: var(--ink); }
.menu-glyph::after { transform: translateY(5px); }
.progress { display: none; }
.hero { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(0,.8fr); gap: clamp(2rem,6vw,5rem); align-items: center; max-width: var(--max); margin: 0 auto; padding: clamp(3rem,7vw,6rem) var(--gutter) 3.5rem; }
.eyebrow { margin: 0 0 1rem; font-size: .8rem; font-weight: 600; color: var(--muted); letter-spacing: .01em; }
h1,h2,h3,p { overflow-wrap: break-word; }
.hero h1 { margin: 0; font-size: clamp(3rem,5.6vw,5.5rem); font-weight: 650; line-height: 1.04; letter-spacing: -.055em; }
.hero-intro { margin: 1.6rem 0 0; max-width: 34rem; color: var(--muted); font-size: clamp(1.1rem,1.6vw,1.3rem); line-height: 1.55; }
.hero-intro strong { color: var(--ink); font-weight: 600; }
.hero-invitation { margin: 1rem 0 0; max-width: 32rem; color: var(--muted); font-size: 1rem; }
.hero-actions,.brief-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.4rem; margin-top: 1.8rem; }
.button,.text-link { display: inline-flex; align-items: center; justify-content: center; gap: .6rem; font-size: .9rem; font-weight: 500; text-decoration: none; }
.button { padding: .8rem 1.3rem; min-height: 2.9rem; border-radius: 999px; }
.button-dark { background: var(--blue); color: white; }
.button:hover { background: #0055aa; color: white; }
.button-light { background: white; color: var(--ink); }
.text-link,.hero-explore,.archive-link { color: var(--blue); text-decoration: none; }
.text-link:hover,.hero-explore:hover,.archive-link:hover { text-decoration: underline; }
.hero-explore { display: inline-block; margin-top: 1.5rem; font-size: .85rem; }
.hero-portrait { margin: 0; }
.hero-portrait img { display: block; width: 100%; height: auto; aspect-ratio: 1; border-radius: 2rem; object-fit: cover; }
.hero-portrait figcaption { margin-top: .8rem; color: var(--muted); text-align: center; font-size: .8rem; }
.credential-band { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); max-width: var(--max); margin: 0 auto; padding: 1.5rem var(--gutter) 3rem; gap: 2rem; }
.credential-band a { display: flex; flex-direction: column; text-decoration: none; }
.credential-band span { color: var(--muted); font-size: .7rem; }
.credential-band strong { margin: .4rem 0; font-size: clamp(1.2rem,1.8vw,1.7rem); font-weight: 650; letter-spacing: -.04em; }
.credential-band small { font-size: .75rem; color: var(--muted); }
.credential-band a:hover strong { color: var(--blue); }
.visitor-paths { max-width: var(--max); margin: 0 auto; padding: 2rem var(--gutter) 4rem; }
.path-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1rem; }
.visitor-path { display: flex; flex-direction: column; padding: 1.8rem; border-radius: 1.5rem; background: var(--paper-2); text-decoration: none; transition: background 150ms; }
.visitor-path:hover { background: #ebebef; }
.visitor-path > span { color: var(--muted); font-size: .75rem; }
.visitor-path h2 { margin: .8rem 0; font-size: 1.45rem; font-weight: 600; letter-spacing: -.035em; line-height: 1.2; }
.visitor-path p { margin: 0 0 1.5rem; font-size: .9rem; color: var(--muted); }
.visitor-path strong { margin-top: auto; color: var(--blue); font-size: .85rem; font-weight: 500; }
.section { max-width: var(--max); margin: 0 auto; padding: clamp(3.5rem,7vw,6rem) var(--gutter); border-top: 1px solid var(--rule); }
.section-rail { margin-bottom: 1rem; color: var(--muted); font-size: .8rem; }
.section-rail span { display: none; }
.section-rail p { margin: 0; }
.section-heading { margin-bottom: 2.5rem; }
.section-heading h2,.investing-statement h2,.contact-section h2 { margin: 0; font-size: clamp(2rem,3.6vw,3.3rem); font-weight: 650; letter-spacing: -.045em; line-height: 1.12; }
.split-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: start; }
.split-heading > p,.about-copy p { margin: 0 0 1.2rem; color: var(--muted); font-size: 1.05rem; }
.about-copy .text-link { margin-top: .3rem; }
.appearance-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; }
.appearance { padding: 2rem; border-radius: 1.5rem; background: var(--paper-2); }
.appearance-topline { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem; color: var(--muted); font-size: .75rem; }
.appearance h3 { margin: 1.3rem 0 1rem; max-width: 25ch; font-size: 1.8rem; font-weight: 600; line-height: 1.15; letter-spacing: -.035em; }
.appearance p { color: var(--muted); font-size: .95rem; }
.appearance a { color: var(--blue); text-decoration: none; font-size: .85rem; }
.speaker-cta { display: flex; align-items: center; flex-wrap: wrap; gap: 1.5rem; margin-top: 2rem; padding-top: 2rem; border-top: 1px solid var(--rule); }
.speaker-cta h3 { margin: .5rem 0 0; font-size: 1.3rem; letter-spacing: -.025em; }
.speaker-cta p { flex: 1; min-width: 12rem; margin: 0; color: var(--muted); font-size: .9rem; }
.label { color: var(--muted); font-size: .75rem; font-weight: 500; }
.publication-list { border-top: 1px solid var(--rule); }
.publication { position: relative; display: grid; grid-template-columns: 10rem minmax(0,1fr) 1.5rem; gap: .3rem 1.5rem; padding: 1.7rem 0; border-bottom: 1px solid var(--rule); text-decoration: none; }
.pub-meta { color: var(--muted); font-size: .75rem; grid-column: 1; grid-row: 1 / 3; padding-top: .25rem; }
.publication h3 { margin: 0; grid-column: 2; font-size: 1.35rem; line-height: 1.3; font-weight: 600; letter-spacing: -.025em; }
.publication p { margin: .4rem 0 0; color: var(--muted); grid-column: 2; font-size: .9rem; }
.pub-arrow { color: var(--blue); grid-column: 3; grid-row: 1; }
.publication:hover h3 { color: var(--blue); }
.archive-link { display: inline-block; margin-top: 1.5rem; font-size: .9rem; }
.recognition-list { border-top: 1px solid var(--rule); }
.recognition-item { display: grid; grid-template-columns: 10rem minmax(0,1fr) 1.5rem; gap: 1.5rem; padding: 1.7rem 0; align-items: start; border-bottom: 1px solid var(--rule); text-decoration: none; }
.recognition-type { color: var(--muted); font-size: .75rem; padding-top: .2rem; }
.recognition-item h3 { margin: 0; font-weight: 600; font-size: 1.3rem; letter-spacing: -.025em; }
.recognition-item p { color: var(--muted); margin: .4rem 0 0; font-size: .9rem; }
.recognition-item > span:last-child { color: var(--blue); }
.recognition-item:hover h3 { color: var(--blue); }
.room-list { margin-top: 1.5rem; }
.room-list > * { display: grid; grid-template-columns: 10rem minmax(0,1fr) auto; gap: 1.5rem; align-items: center; padding: 1.5rem 0; border-bottom: 1px solid var(--rule); text-decoration: none; }
.room-list span { color: var(--muted); font-size: .75rem; }
.room-list strong { font-size: 1.05rem; font-weight: 600; line-height: 1.35; }
.room-list em { color: var(--blue); font-style: normal; font-size: .75rem; }
.contact-section { padding: clamp(4rem,8vw,7rem) var(--gutter); background: var(--paper-2); text-align: center; }
.contact-section > p:not(.eyebrow) { max-width: 35rem; margin: 1.3rem auto 2rem; color: var(--muted); font-size: 1.1rem; }
.contact-options { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem 2rem; }
.contact-options a { color: var(--blue); font-size: .9rem; text-decoration: none; }
.contact-options a:first-child { padding: .75rem 1.3rem; border-radius: 999px; color: white; background: var(--blue); }
.contact-options a:not(:first-child) { align-self: center; }
.site-footer { display: grid; grid-template-columns: 1fr 2fr 1fr; gap: 2rem; align-items: start; max-width: var(--max); padding: 2rem var(--gutter); margin: 0 auto; font-size: .75rem; }
.site-footer strong { font-size: .9rem; }
.site-footer p { color: var(--muted); margin: .4rem 0 0; }
.site-footer .disclaimer { margin: 0; font-size: .7rem; }
.footer-links { display: flex; justify-content: flex-end; gap: 1rem; }
.footer-links a { text-decoration: none; }
/* Organizer page shares the same quiet typography and spacing. */
.brief-hero { display: grid; grid-template-columns: minmax(0,1.4fr) minmax(0,.7fr); gap: 3rem; max-width: var(--max); margin: 0 auto; padding: 5rem var(--gutter); }
.brief-hero h1 { margin: 0; font-size: clamp(3rem,5vw,5rem); line-height: 1.05; letter-spacing: -.05em; font-weight: 650; }
.brief-deck { color: var(--muted); font-size: 1.2rem; max-width: 36rem; }
.brief-actions .button-light { color: white; background: var(--blue); }
.brief-facts { margin: 0; align-self: center; }
.brief-facts div { padding: 1rem 0; border-bottom: 1px solid var(--rule); }
.brief-facts dt { color: var(--muted); font-size: .75rem; }
.brief-facts dd { margin: .5rem 0 0; font-size: .95rem; }
.brief-section { max-width: var(--max); margin: 0 auto; padding: 4rem var(--gutter); border-top: 1px solid var(--rule); }
.brief-section-rail { font-size: .75rem; color: var(--muted); margin-bottom: 1rem; }
.brief-section-rail span { display: none; }
.brief-heading { margin-bottom: 2rem; }
.brief-heading h2,.brief-invite h2 { margin: 0; font-size: clamp(2rem,3.5vw,3.2rem); font-weight: 650; line-height: 1.1; letter-spacing: -.04em; }
.brief-heading-split,.format-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.brief-heading-split > p { color: var(--muted); margin: 0; }
.bio-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.bio-columns p { color: var(--muted); }
.topic-list { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1rem; }
.topic-card { padding: 1.8rem; border-radius: 1.5rem; background: var(--paper-2); }
.topic-card > span { font-size: .75rem; color: var(--muted); }
.topic-card h3 { margin: 1rem 0; font-size: 1.6rem; font-weight: 600; line-height: 1.15; letter-spacing: -.03em; }
.topic-card p { color: var(--muted); font-size: .95rem; }
.topic-card strong { display: block; padding-top: 1rem; border-top: 1px solid var(--rule); font-size: .8rem; font-weight: 500; }
.format-details > div { padding: 1rem 0; border-top: 1px solid var(--rule); }
.format-details p { color: var(--muted); margin: .6rem 0; }
.brief-invite { padding: 5rem var(--gutter); text-align: center; background: var(--paper-2); }
.brief-invite > p:not(.eyebrow) { max-width: 35rem; margin: 1.3rem auto 2rem; color: var(--muted); }
@media (max-width: 62rem) {
  .menu-button { display: inline-flex; }
  .primary-nav { position: absolute; top: 100%; left: 0; right: 0; display: none; padding: 1rem var(--gutter) 1.5rem; background: white; border-bottom: 1px solid var(--rule); }
  .primary-nav.is-open { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .primary-nav a { padding: .8rem 0; }
  .primary-nav .nav-contact { align-self: start; padding: .5rem 1rem; margin-top: .5rem; }
  .hero { grid-template-columns: minmax(0,1.1fr) minmax(0,.8fr); gap: 2rem; }
  .hero h1 { font-size: clamp(2.8rem,5.6vw,4rem); }
  .credential-band { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .split-heading,.brief-heading-split,.format-layout { gap: 2rem; }
  .path-grid { grid-template-columns: 1fr; }
  .visitor-path { padding: 1.5rem; }
  .visitor-path p { margin-bottom: 1rem; }
  .topic-list { grid-template-columns: 1fr; }
  .publication,.recognition-item,.room-list > * { grid-template-columns: 8rem minmax(0,1fr) auto; gap: 1rem; }
}
@media (max-width: 42rem) {
  .hero { grid-template-columns: 1fr; padding-top: 3rem; }
  .hero h1 { font-size: clamp(2.6rem,10vw,4rem); }
  .hero-portrait { width: min(100%,25rem); margin: .5rem auto 0; }
  .hero-intro { font-size: 1.15rem; }
  .hero-actions { gap: 1rem; }
  .credential-band { gap: 1.5rem; padding-bottom: 2rem; }
  .credential-band strong { font-size: 1.35rem; }
  .split-heading,.appearance-grid,.brief-hero,.brief-heading-split,.bio-columns,.format-layout { grid-template-columns: 1fr; }
  .section-heading h2,.contact-section h2 { font-size: 2.1rem; }
  .appearance { padding: 1.5rem; }
  .appearance h3 { font-size: 1.6rem; }
  .publication { grid-template-columns: minmax(0,1fr) 1rem; gap: .5rem; }
  .pub-meta { grid-column: 1 / -1; grid-row: 1; }
  .publication h3 { grid-column: 1; grid-row: 2; font-size: 1.2rem; }
  .publication p { grid-column: 1; grid-row: 3; }
  .pub-arrow { grid-column: 2; grid-row: 2; }
  .recognition-item,.room-list > * { grid-template-columns: minmax(0,1fr) auto; gap: .6rem; }
  .recognition-type,.room-list span { grid-column: 1 / -1; }
  .recognition-item h3 { font-size: 1.2rem; }
  .room-list em { font-size: .7rem; }
  .brief-hero { padding-top: 3rem; }
  .brief-hero h1 { font-size: 2.8rem; }
  .site-footer { grid-template-columns: 1fr; gap: 1rem; }
  .footer-links { justify-content: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

.community-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; border-top: 1px solid var(--rule); padding-top: 1.5rem; }
.community-group h3 { margin: .8rem 0; font-size: 1.55rem; font-weight: 600; line-height: 1.35; letter-spacing: -.03em; }
.community-group p { margin: 0; color: var(--muted); font-size: .95rem; }
.community-contact { margin-top: 1.7rem; }
@media (max-width: 42rem) { .community-grid { grid-template-columns: 1fr; } }

.supporting-experience { margin: 1.5rem 0 0; color: var(--muted); font-size: .85rem; max-width: 43rem; }