@font-face {
  font-family: Geist;
  src: url("fonts/Geist-Variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("fonts/GeistMono-Variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --brand-primary: #143D70;
  --brand-highlight: #2A65A2;
  --brand-shadow: #102C50;
  --brand-gold: #D8B77A;
  --brand-ivory: #F6F0E6;
  --bg: #111111;
  --surface: #15191e;
  --text: var(--brand-ivory);
  --muted: #a4a7a9;
  --border: rgba(238, 234, 227, .16);
  --control-border: #73777b;
  --accent: #93BCE8;
  --accent-light: #BAD6F3;
  --on-accent: var(--brand-ivory);
  --brand-finish: linear-gradient(168deg, var(--brand-highlight), var(--brand-primary) 54%, var(--brand-shadow));
  --brand-finish-hover: linear-gradient(168deg, var(--brand-highlight), var(--brand-primary));
  --mono: "Geist Mono", monospace;
  --brand-logo-height: 32px;
  --brand-clear-space: 8px;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 32px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 16px/1.65 Geist, Arial, sans-serif; -webkit-font-smoothing: antialiased; }
::selection { background: var(--accent); color: var(--on-accent); }
a { color: inherit; text-decoration: none; text-underline-offset: .2em; }
a:hover { color: var(--accent); }
a:focus-visible, input:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
p, h1, h2, h3 { margin-top: 0; }
h1, h2, h3 { font-weight: 400; line-height: 1.12; letter-spacing: -.04em; }
img { max-width: 100%; }
main, section, article, .frontier-feed, .article-list, .section-heading { min-width: 0; }
.wrap { width: min(100%, 1480px); padding-inline: clamp(22px, 5.4vw, 80px); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 22px; z-index: 10; padding: 10px 16px; background: var(--text); color: var(--bg); transform: translateY(-180%); }
.skip-link:focus { transform: none; }

/* A quiet shared header keeps the lab and its publication in one place. */
header.site { min-height: 104px; display: flex; align-items: center; justify-content: space-between; gap: 32px; border-bottom: 1px solid var(--border); }
.home-link { display: inline-flex; flex-shrink: 0; align-items: center; min-height: 48px; padding: var(--brand-clear-space); }
.brand-logo { display: block; width: auto; height: var(--brand-logo-height); max-width: none; }
.nav { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 4px 26px; font-size: 14px; line-height: 1.3; }
.nav a { display: inline-flex; min-height: 44px; align-items: center; color: var(--muted); }
.nav a:hover { color: var(--text); }
.nav .nav-signup { font-family: Geist, Arial, sans-serif; font-size: 14px; color: var(--text); gap: 20px; border-bottom: 1px solid var(--border); }
.nav-signup span { color: var(--accent); }
.eyebrow { display: block; margin-bottom: 24px; font: 400 11px/1.6 var(--mono); letter-spacing: .09em; text-transform: uppercase; color: var(--muted); }
.square { display: inline-block; width: 6px; height: 6px; background: var(--accent); margin-right: 10px; vertical-align: .1em; }

/* Approved Ivory Platinum material with a protected dark reading surface. */
.hero { position: relative; isolation: isolate; padding: clamp(64px, 7vw, 104px) 0 88px; }
.hero-copy { position: relative; max-width: 650px; width: 61%; }
.wave-visual { position: absolute; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; mask-image: linear-gradient(0deg, transparent, #000 10%, #000 95%, transparent); }
.wave-poster, .ripple-field { position: absolute; inset: 0; width: 100%; height: 100%; }
.wave-poster { object-fit: cover; object-position: 65% center; }
.ripple-field { opacity: 0; }
.field-ready .ripple-field { opacity: 1; }
.field-ready .wave-poster { visibility: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: linear-gradient(90deg, #111111, rgb(17 17 17/.94) min(674px, calc(66% + 24px)), transparent calc(min(674px, calc(66% + 24px)) + 200px)); }
.field-hint { display: none; position: absolute; right: 0; bottom: 22px; margin: 0; color: var(--muted); font: 9px/1.5 var(--mono); letter-spacing: .08em; text-transform: uppercase; pointer-events: none; }
.field-hint span { margin-right: 10px; color: var(--accent-light); font-size: 14px; }
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .field-ready .field-hint { display: block; }
}
.hero-topics { list-style: none; padding: 0; margin: 0 0 18px; }
.hero-topics li { padding: 15px 0; border-bottom: 1px solid var(--border); font-size: 17px; letter-spacing: -.02em; }
.hero-topics span { color: var(--accent); font: 10px var(--mono); display: block; margin-bottom: 7px; }
.hero-note { background: linear-gradient(90deg, rgba(17,17,17,.5), transparent); }
.hero h1 { font-size: clamp(46px, 5.8vw, 86px); letter-spacing: -.055em; line-height: 1.04; max-width: 14ch; margin-bottom: 28px; }
.hero h1 span { display: block; color: var(--muted); }
.hero .lede { max-width: 48ch; font-size: 18px; line-height: 1.65; color: var(--muted); margin: 0 0 32px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; min-height: 48px; padding: 11px 20px; border: 1px solid var(--accent); border-radius: 2px; background: var(--brand-finish); box-shadow: inset 0 1px 0 rgba(220,220,224,.25), inset 0 -1px 0 rgba(16,44,80,.35); color: var(--on-accent); font-size: 14px; font-weight: 500; transition: background .18s ease, border-color .18s ease; }
.button:hover { background: var(--brand-finish-hover); border-color: var(--accent-light); color: var(--on-accent); }
.hero-note { padding: 26px 0 8px; border-top: 1px solid var(--border); }
.hero-note .eyebrow { margin-bottom: 22px; }
.hero-question { font-size: 19px; line-height: 1.8; letter-spacing: -.025em; margin-bottom: 28px; }
.text-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 44px; font-size: 14px; color: var(--text); border-bottom: 1px solid var(--border); }
.text-link span { color: var(--accent); }

/* Frontier keeps its public feed and canonical links; only the presentation changes. */
.frontier { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: clamp(40px, 5vw, 80px); padding: 56px 0 64px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.frontier-intro .eyebrow { margin-bottom: 18px; }
.frontier h2 { font-size: clamp(40px, 4.2vw, 60px); line-height: 1.03; margin-bottom: 24px; }
.frontier h2 span { display: block; }
.frontier-intro > p:not(.eyebrow) { font-size: 16px; color: var(--muted); max-width: 31ch; }
.frontier-archive { margin-top: 8px; }
.frontier-status { margin: 22px 0 0; color: var(--muted); font: 11px/1.7 var(--mono); }
#frontier-articles { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; }
article.frontier-post { display: flex; flex-direction: column; border-top: 1px solid var(--border); padding: 22px 0; margin: 0; }
.frontier-post .post-meta { justify-content: space-between; text-transform: uppercase; letter-spacing: .06em; gap: 6px 10px; margin-bottom: 18px; }
article.frontier-post h3 { font-size: clamp(20px, 1.8vw, 25px); letter-spacing: -.025em; line-height: 1.24; margin-bottom: 22px; overflow-wrap: anywhere; }
.frontier-post h3 a { display: flex; justify-content: space-between; gap: 24px; align-items: baseline; }
.frontier-post .article-arrow { flex-shrink: 0; color: var(--muted); font-size: 24px; }
.frontier-post h3 a:hover .article-arrow { color: var(--accent); }
.frontier-post .post-meta .tag { color: var(--accent); }
article.frontier-post:last-child { border-bottom: 1px solid var(--border); }
.frontier-post .post-source { margin: 0; padding: 0; font-size: 12px; color: var(--muted); line-height: 1.6; }

/* Research and source material remain full, readable articles with stable anchors. */
.industry-index { padding: 0 0 40px; }
.industry-index .section-heading > p:not(.eyebrow) { max-width: 65ch; }
.industry-nav { display: flex; flex-wrap: wrap; gap: 8px 28px; }
.agenda { padding: 64px 0; }
.section-heading h2 { font-size: clamp(32px, 3vw, 44px); margin-bottom: 20px; }
.section-heading .eyebrow { margin-bottom: 16px; }
.section-heading > p:not(.eyebrow) { color: var(--muted); max-width: 29ch; font-size: 15px; }
.agenda .section-heading { margin-bottom: 30px; }
.agenda .section-heading h2 { font-size: 30px; }
.agenda ul { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; counter-reset: research-question; }
.agenda li { color: var(--muted); font-size: 14px; line-height: 1.75; border-top: 1px solid var(--border); padding-top: 16px; counter-increment: research-question; }
.agenda li::before { content: "0" counter(research-question); display: block; color: var(--accent); font: 11px/1.6 var(--mono); margin-bottom: 20px; }
.agenda li strong { display: block; color: var(--text); font-weight: 400; font-size: 16px; line-height: 1.5; margin-bottom: 8px; }
.editorial-section { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: clamp(40px, 5vw, 80px); padding: 64px 0; border-top: 1px solid var(--border); }
.article-list { max-width: 780px; }
.article-list > .post { padding: 0 0 36px; margin-bottom: 36px; border-bottom: 1px solid var(--border); scroll-margin-top: 32px; }
.article-list > .post:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: 0; }
.post-meta { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 14px; margin-bottom: 18px; font: 11px/1.65 var(--mono); color: var(--muted); }
.post-meta time { font-variant-numeric: tabular-nums; }
.post-tags { display: inline-flex; flex-wrap: wrap; gap: 6px; }
.tag { padding: 1px 6px; border: 1px solid var(--border); color: var(--muted); font: 10px/1.5 var(--mono); overflow-wrap: anywhere; }
.post h3 { font-size: clamp(25px, 2.6vw, 34px); line-height: 1.2; margin-bottom: 24px; }
.post-body { max-width: 68ch; color: #c3c3c1; }
.post-body p, .post-body ul { margin: 0 0 16px; }
.post-body ul { padding-left: 20px; }
.post-body strong { color: var(--text); font-weight: 500; }
.post-body a, .post-source a, .prose a, footer.site a { text-decoration: underline; text-decoration-color: var(--control-border); overflow-wrap: anywhere; }
.post-body a:hover, .post-source a:hover, .prose a:hover, footer.site a:hover { text-decoration-color: var(--accent); }
.post-source { font-size: 12px; color: var(--muted); margin-top: 24px; overflow-wrap: anywhere; }

/* Shared document pages retain the same restrained reading surface. */
.document-page { padding: 72px 0 24px; max-width: 920px; margin-inline: auto; }
.document-page > .eyebrow { margin-bottom: 20px; }
.page-title { font-size: clamp(44px, 5.5vw, 72px); margin-bottom: 28px; }
.document-page .lede { color: var(--muted); max-width: 54ch; margin: 0 0 48px; font-size: 18px; }
.prose { max-width: 70ch; padding-bottom: 12px; }
.prose p, .prose li { color: #c3c3c1; }
.prose p { margin-bottom: 24px; }
.prose ul { padding-left: 20px; }
.prose li { margin-bottom: 12px; }
.prose strong { color: var(--text); font-weight: 500; }
.prose h2 { font-size: 26px; margin: 44px 0 18px; }
.timeline { margin: 32px 0; }
.tl-item { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 32px; padding: 26px 0; border-top: 1px solid var(--border); }
.tl-date { color: var(--muted); font: 12px/1.7 var(--mono); padding-top: 4px; }
.tl-card h3 { font-size: 24px; margin-bottom: 14px; }
.tl-card .post-source { margin-top: 0; }

/* Keep the existing subscription action, including its honeypot and feedback. */
.newsletter { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: end; padding: 64px 0; border-top: 1px solid var(--border); }
.newsletter .eyebrow { margin-bottom: 18px; }
.newsletter h2 { font-size: clamp(32px, 3.4vw, 46px); margin-bottom: 20px; }
.newsletter-copy > p:not(.eyebrow) { max-width: 46ch; margin-bottom: 0; font-size: 15px; color: var(--muted); }
.hero-signup { max-width: 520px; }
.hero-signup label, .newsletter label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.hero-signup input { font: inherit; border-radius: 2px; }
.hero-signup input[type="email"] { min-width: 0; flex: 1; min-height: 54px; padding: 14px 16px; border: 1px solid var(--control-border); background: rgba(16,19,22,.9); color: var(--text); }
.hero-signup input[type="email"]::placeholder { color: var(--muted); opacity: 1; }
.hero-signup input[type="submit"] { min-height: 54px; padding: 14px 28px; border: 1px solid var(--accent); background: var(--brand-finish); box-shadow: inset 0 1px 0 rgba(220,220,224,.25), inset 0 -1px 0 rgba(16,44,80,.35); color: var(--on-accent); font-size: 15px; font-weight: 500; cursor: pointer; }
.hero-signup input[type="submit"]:hover { background: var(--brand-finish-hover); border-color: var(--accent-light); }
.hero-signup input:disabled { cursor: not-allowed; }
.hero-signup input[type="submit"]:disabled:hover { background: var(--brand-finish); border-color: var(--accent); }
.signup-note { font-size: 12px; color: var(--muted); margin: 12px 0 0; }
.hero-explore { margin-top: 20px; }
.newsletter-reminder .button { justify-self: end; }
.research-archive { border-top: 1px solid var(--border); padding: 28px 0; }
.research-archive > summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 44px; cursor: pointer; list-style: none; color: var(--muted); font-size: 16px; }
.research-archive > summary::-webkit-details-marker { display: none; }
.research-archive > summary span:last-child { color: var(--accent); }
.research-archive[open] > summary span:last-child { transform: rotate(45deg); }
.archive-intro { color: var(--muted); max-width: 65ch; margin-top: 26px; }
.document-signup { padding: 36px 0; margin-top: 48px; border-top: 1px solid var(--border); }
.document-signup h2 { font-size: clamp(30px, 4vw, 42px); }
.document-signup > p:not(.eyebrow) { color: var(--muted); max-width: 52ch; }
.subscribe-controls { display: flex; gap: 8px; }
.newsletter input { font: inherit; border-radius: 2px; }
.newsletter input[type="email"] { min-width: 0; flex: 1 1 auto; min-height: 50px; padding: 12px 14px; border: 1px solid var(--control-border); background: var(--surface); color: var(--text); }
.newsletter input[type="email"]::placeholder { color: var(--muted); opacity: 1; }
.newsletter input[type="submit"] { flex: 0 0 auto; min-height: 50px; padding: 12px 22px; border: 1px solid var(--accent); background: var(--brand-finish); box-shadow: inset 0 1px 0 rgba(220,220,224,.25), inset 0 -1px 0 rgba(16,44,80,.35); color: var(--on-accent); font-size: 14px; font-weight: 500; cursor: pointer; }
.newsletter input[type="submit"]:hover { background: var(--brand-finish-hover); border-color: var(--accent-light); }
.sub-msg { color: var(--muted); font-size: 14px; margin: 14px 0 0; }

footer.site { display: grid; grid-template-columns: 1.25fr 1fr; gap: 80px; border-top: 1px solid var(--border); padding: 32px 0 40px; color: var(--muted); font-size: 12px; line-height: 1.8; }
footer.site p { margin-bottom: 0; max-width: 70ch; }

/* A single, finite entry is ornamental; all content is visible without animation. */
@media (prefers-reduced-motion: reduce) {
  .wave-poster, .ripple-field { transition: none; }
}
@media (prefers-reduced-motion: no-preference) {
  .hero-copy, .hero-note { animation: enter .55s ease-out both; }
  .hero-note { animation-delay: .1s; }
  @keyframes enter { from { opacity: .65; transform: translateY(8px); } to { opacity: 1; transform: none; } }
}
@media (max-width: 1120px) {
  .hero-copy { width: 66%; }
  .frontier, .editorial-section { grid-template-columns: 240px minmax(0, 1fr); gap: 40px; }
  .nav { gap: 4px 18px; }
  .agenda ul { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .newsletter { gap: 40px; }
}
@media (max-width: 900px) {
  header.site { align-items: flex-start; padding: 22px 0; }
  .nav { max-width: 440px; gap: 0 18px; }
  .hero { padding: 64px 0; }
  .hero-copy { width: 88%; }
  .hero::before { background: linear-gradient(90deg, rgba(17,17,17,.94), rgba(17,17,17,.78) 45%, rgba(17,17,17,.15)); }
  .hero h1 { max-width: 16ch; font-size: clamp(48px, 8.5vw, 74px); }
  .wave-poster { object-position: 75% center; }
  .frontier { grid-template-columns: 1fr; gap: 32px; padding: 48px 0; }
  .frontier h2 span { display: inline; }
  .frontier-intro > p:not(.eyebrow) { max-width: 55ch; }
  .editorial-section { grid-template-columns: 1fr; gap: 28px; padding: 48px 0; }
  .section-heading > p:not(.eyebrow) { max-width: 55ch; }
  .newsletter { grid-template-columns: 1fr; gap: 32px; padding: 48px 0; }
  .newsletter-form { max-width: 600px; }
  .newsletter-reminder .button { justify-self: start; }
  footer.site { gap: 32px; }
}
@media (max-width: 600px) {
  header.site { display: block; padding: 20px 0 14px; }
  .nav { justify-content: flex-start; margin-top: 12px; max-width: none; gap: 0 20px; font-size: 13px; }
  .nav a { min-height: 40px; }
  .hero { padding: 48px 0 52px; }
  .hero-copy { width: 100%; }
  .field-ready .field-hint { display: none; }
  .hero::before { background: linear-gradient(90deg, rgba(17,17,17,.92), rgba(17,17,17,.80) 58%, rgba(17,17,17,.48)); }
  .hero h1 { font-size: clamp(43px, 9.5vw, 58px); max-width: 15ch; }
  .hero .lede { font-size: 16px; }
  .hero-signup input[type="email"] { flex-basis: 160px; }
  .hero-signup input[type="submit"] { flex-grow: 1; }
  .hero .eyebrow { margin-bottom: 20px; }
  .button { min-height: 48px; }
  .frontier { padding: 40px 0 32px; }
  .frontier h2 { font-size: 42px; }
  #frontier-articles { grid-template-columns: 1fr; }
  article.frontier-post h3 { font-size: 25px; }
  .frontier-post .post-source { margin-top: 0; }
  .frontier-status { font-size: 11px; }
  .agenda { padding: 40px 0; }
  .agenda ul { grid-template-columns: 1fr; gap: 24px; }
  .agenda li::before { margin-bottom: 12px; }
  .editorial-section { padding: 40px 0; }
  .post h3 { font-size: 27px; }
  .post-body { font-size: 15px; }
  .article-list > .post { padding-bottom: 28px; margin-bottom: 28px; }
  .document-page { padding-top: 48px; }
  .page-title { font-size: 44px; }
  .tl-item { grid-template-columns: 1fr; gap: 12px; }
  .tl-card h3 { font-size: 23px; }
  .subscribe-controls { flex-wrap: wrap; }
  .newsletter input[type="email"] { flex-basis: 180px; }
  .newsletter input[type="submit"] { flex-grow: 1; }
  footer.site { grid-template-columns: 1fr; gap: 18px; padding-bottom: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* Shared brand material: blue actions, platinum edges and champagne details. */
::selection { background: var(--brand-primary); color: var(--brand-ivory); }
.hero .eyebrow .square { background: var(--brand-gold); }
.hero h1 span { color: var(--accent); }
.button, input[type="submit"] { border-color: var(--brand-highlight); }

/* Material playback shares the static poster's geometry and reading scrim. */
.platinum-video { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:65% center; }
.platinum-control { position:absolute; right:0; bottom:20px; min-height:44px; padding:9px 13px; background:#111; color:#F6F0E6; border:1px solid #D8B77A; font:11px var(--mono); cursor:pointer; }
.platinum-control[hidden] { display:none; }
@media(max-width:700px) { .platinum-control { position:relative; bottom:auto; margin-top:22px; } }

@media(max-width:1000px) { .hero::before { background:rgb(17 17 17/.92); } }