:root {
  color-scheme: light;
  --paper: #f4f1ea;
  --paper-soft: #ebe7dd;
  --paper-bright: #fffdf8;
  --ink: #111c2d;
  --ink-soft: #536074;
  --line: #c8c4ba;
  --accent: #315ee7;
  --accent-deep: #2446b5;
  --accent-pale: #dbe3ff;
  --night: #101c2d;
  --night-soft: #18273c;
  --white: #fbfaf6;
  --serif: "Source Serif 4", Georgia, serif;
  --sans: "Inter", Arial, sans-serif;
  --radius: 4px;
  --shell: min(1180px, calc(100% - 48px));
  --shadow: 0 18px 55px rgba(17, 28, 45, 0.08);
  --header-height: 82px;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --paper: #0e1724;
  --paper-soft: #152234;
  --paper-bright: #17263a;
  --ink: #f2f0ea;
  --ink-soft: #aab4c4;
  --line: #354256;
  --accent: #7896ff;
  --accent-deep: #9aafff;
  --accent-pale: #23345e;
  --night: #070d15;
  --night-soft: #101b2a;
  --white: #f6f3ec;
  --shadow: 0 18px 55px rgba(0, 0, 0, 0.22);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 22px); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  transition: background-color 180ms ease, color 180ms ease;
}

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
img { max-width: 100%; display: block; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -100px; z-index: 100; background: var(--ink); color: var(--paper); padding: 10px 16px; }
.skip-link:focus { top: 12px; }

.submission-banner { background: var(--accent); color: #fff; }
.submission-banner-inner { min-height: 40px; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 11px; letter-spacing: 0.04em; }
.submission-banner-status { display: inline-flex; align-items: center; gap: 9px; text-transform: uppercase; letter-spacing: 0.12em; }
.announcement-dot { width: 6px; height: 6px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 4px rgba(255,255,255,0.18); }
.submission-banner-action { opacity: 0.85; transition: opacity 150ms ease; }
.submission-banner-inner:hover .submission-banner-action { opacity: 1; }
.submission-banner-inner:focus-visible { outline: 3px solid #fff; outline-offset: -5px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--header-height);
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  backdrop-filter: blur(14px);
}

.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.wordmark { display: inline-flex; align-items: center; gap: 14px; min-width: 248px; }
.wordmark-mark { font-size: 17px; font-weight: 700; letter-spacing: -0.05em; border: 1px solid var(--ink); padding: 8px 9px; line-height: 1; }
.wordmark-mark span, .footer-mark span { color: var(--accent); }
.wordmark-text { font-size: 11px; font-weight: 600; line-height: 1.2; text-transform: uppercase; letter-spacing: 0.08em; }
.site-nav { display: flex; align-items: center; gap: clamp(20px, 3vw, 42px); margin-left: auto; }
.site-nav a { position: relative; font-size: 13px; font-weight: 500; }
.site-nav a::after { content: ""; position: absolute; inset: auto 0 -7px; height: 1px; background: var(--accent); transform: scaleX(0); transform-origin: right; transition: transform 180ms ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.icon-button, .menu-button { border: 1px solid var(--line); background: transparent; cursor: pointer; min-height: 42px; }
.icon-button { width: 42px; border-radius: 50%; display: grid; place-items: center; }
.theme-icon { grid-area: 1 / 1; transition: opacity 160ms ease, transform 160ms ease; }
.theme-icon-dark { opacity: 0; transform: rotate(-45deg); }
html[data-theme="dark"] .theme-icon-light { opacity: 0; transform: rotate(45deg); }
html[data-theme="dark"] .theme-icon-dark { opacity: 1; transform: rotate(0); }
.menu-button { display: none; padding: 0 13px; gap: 10px; align-items: center; font-size: 12px; font-weight: 600; }
.menu-lines, .menu-lines::before, .menu-lines::after { width: 17px; height: 1px; background: currentColor; display: block; transition: transform 180ms ease; }
.menu-lines { position: relative; }
.menu-lines::before, .menu-lines::after { content: ""; position: absolute; left: 0; }
.menu-lines::before { top: -5px; }
.menu-lines::after { top: 5px; }
.menu-button[aria-expanded="true"] .menu-lines { background: transparent; }
.menu-button[aria-expanded="true"] .menu-lines::before { transform: translateY(5px) rotate(45deg); }
.menu-button[aria-expanded="true"] .menu-lines::after { transform: translateY(-5px) rotate(-45deg); }
.mobile-nav { position: absolute; top: 100%; inset-inline: 0; padding: 12px 24px 24px; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
.mobile-nav a { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); font-weight: 500; }

.hero { min-height: calc(100svh - var(--header-height)); padding: clamp(66px, 8vw, 112px) 0 0; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr); gap: clamp(48px, 8vw, 110px); align-items: center; }
.eyebrow { margin: 0 0 28px; text-transform: uppercase; letter-spacing: 0.14em; font-size: 11px; font-weight: 700; }
.status-dot { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-pale); }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.035em; line-height: 0.98; }
h1 { margin-bottom: 30px; font-size: clamp(58px, 7vw, 104px); max-width: 790px; }
h1 em, h2 em { font-weight: 400; color: var(--accent); }
.hero-deck { max-width: 620px; margin-bottom: 40px; font-family: var(--serif); font-size: clamp(20px, 2.1vw, 29px); line-height: 1.36; color: var(--ink-soft); }
.hero-actions { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 52px; padding: 13px 19px; border: 1px solid currentColor; border-radius: var(--radius); font-size: 13px; font-weight: 600; line-height: 1.35; transition: transform 150ms ease, background-color 150ms ease, color 150ms ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, .text-link:focus-visible, .site-nav a:focus-visible, .icon-button:focus-visible, .menu-button:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 50%, transparent); outline-offset: 4px; }
.button-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
html[data-theme="dark"] .button-primary { color: #08101d; }
.button-primary:hover { background: var(--accent-deep); border-color: var(--accent-deep); }
.text-link { font-size: 13px; font-weight: 600; border-bottom: 1px solid var(--line); padding-bottom: 4px; }
.text-link span { color: var(--accent); margin-left: 5px; }

.hero-visual { position: relative; isolation: isolate; aspect-ratio: 6 / 5; width: min(100%, 580px); justify-self: end; overflow: visible; }
.hero-visual::before { content: ""; position: absolute; z-index: -1; inset: 4% -8%; background: radial-gradient(ellipse at center, color-mix(in srgb, var(--accent-pale) 68%, transparent), transparent 67%); filter: blur(12px); pointer-events: none; }
.hero-webgl { position: absolute; z-index: 1; inset: 0; display: block; width: 100%; height: 100%; opacity: 0; touch-action: pan-y; transition: opacity 650ms ease; }
.hero-visual.is-3d-ready .hero-webgl { opacity: 1; }
.hero-visual.is-3d-ready .hero-funnel-animation { opacity: 0; visibility: hidden; }
.hero-funnel-animation { position: relative; z-index: 1; display: block; width: 100%; height: 100%; overflow: hidden; transition: opacity 250ms ease; }
.hero-source-line, .hero-source-link, .hero-source-gridline, .hero-intake-line, .hero-network-link { fill: none; stroke: var(--ink-soft); stroke-linecap: round; stroke-linejoin: round; }
.hero-source-line { stroke: var(--accent); stroke-width: 2.8; }
.hero-source-link { stroke: color-mix(in srgb, var(--accent) 78%, var(--ink-soft)); stroke-width: 1.65; }
.hero-source-gridline { stroke: color-mix(in srgb, var(--accent) 58%, var(--ink-soft)); stroke-width: 1.2; opacity: 0.78; }
.hero-source-grid-scan { fill: color-mix(in srgb, var(--accent-pale) 76%, transparent); }
.hero-source-cell { fill: var(--accent); stroke: none; }
.hero-source-cell-secondary { fill: color-mix(in srgb, var(--accent) 66%, var(--accent-pale)); }
.hero-source-cell-tertiary { fill: color-mix(in srgb, var(--accent) 38%, var(--accent-pale)); }
.hero-source-node { fill: var(--accent); stroke: var(--paper-bright); stroke-width: 2.4; }
.hero-source-node-small { fill: var(--paper-bright); stroke: var(--accent); stroke-width: 1.8; }
.hero-intake-line { stroke: var(--accent); stroke-width: 1.5; opacity: 0.58; }
.hero-network-link { stroke: color-mix(in srgb, var(--accent) 54%, var(--line)); stroke-width: 1; stroke-dasharray: 2 7; opacity: 0.36; }
.hero-network-node { fill: var(--paper-bright); stroke: var(--accent); stroke-width: 1.5; filter: drop-shadow(0 2px 4px color-mix(in srgb, var(--accent) 20%, transparent)); transform-box: fill-box; transform-origin: center; }
.hero-network-layer-four .hero-network-node { fill: var(--accent); stroke: var(--paper-bright); stroke-width: 2; }
.hero-bit-row { fill: var(--accent); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 12px; font-weight: 700; letter-spacing: 0.08em; transform-box: fill-box; transform-origin: center; }
.hero-source, .hero-bit-row { transform-box: fill-box; transform-origin: center; }
.hero-source-particle { transform-style: preserve-3d; backface-visibility: visible; will-change: transform; }
@media (prefers-reduced-motion: reduce) { .hero-visual * { animation: none !important; } }
.speaker-photo { overflow: hidden; border-radius: 50%; background: var(--paper-soft); transition: transform 180ms ease, box-shadow 180ms ease; }
.speaker-photo img { width: 100%; height: 100%; object-fit: cover; }
.person-card:nth-child(1) .speaker-photo img { object-position: 50% 45%; }
.person-card:nth-child(2) .speaker-photo img { object-position: 50% 25%; }
.person-card:nth-child(3) .speaker-photo img { object-position: 48% 38%; }
.person-card:nth-child(4) .speaker-photo img { object-position: 50% 30%; }
.person-card:nth-child(5) .speaker-photo img { object-position: 50% 35%; }
.person-card:hover .speaker-photo { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(17, 28, 45, 0.15); }

.event-facts { margin-top: clamp(70px, 9vw, 122px); display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.fact { padding: 24px 26px 26px 0; display: flex; flex-direction: column; gap: 3px; }
.fact + .fact { border-left: 1px solid var(--line); padding-left: 26px; }
.fact-label { color: var(--accent); font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.14em; }
.fact strong { font-family: var(--serif); font-size: 21px; font-weight: 600; }
.fact > span:last-child { color: var(--ink-soft); font-size: 12px; }

.section { padding: clamp(86px, 10vw, 150px) 0; }
.section h2 { margin-bottom: 0; font-size: clamp(44px, 5.5vw, 76px); }
.intro-copy {padding-top: 34px; color: var(--ink-soft); }
.intro-copy p { font-family: var(--sans); font-size: 19px; line-height: 1.55; }
.intro-copy p:last-child { margin-bottom: 0; }
.themes-grid { margin-top: 80px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.theme-card { position: relative; min-height: 355px; padding: 28px 24px 25px; display: flex; flex-direction: column; }
.theme-card + .theme-card { border-left: 1px solid var(--line); }
.theme-card::before { content: ""; position: absolute; inset: 0; background: var(--paper-bright); transform: scaleY(0); transform-origin: bottom; transition: transform 240ms ease; z-index: -1; }
.theme-card:hover::before { transform: scaleY(1); }
.theme-card h3 { margin: 8px 0 16px; font-family: var(--serif); font-size: 30px; font-weight: 500; }
.theme-card p { color: var(--ink-soft); font-size: 14px; line-height: 1.65; }
.card-tag { margin-top: auto; padding-top: 24px; border-top: 1px solid var(--line); font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; }

.section-reviewers { padding-top: 0; background: var(--night); color: var(--white); }
.reviewer-panel { display: grid; grid-template-columns: 1fr 0.9fr; gap: 70px; padding: clamp(44px, 7vw, 82px); background: var(--accent); color: #fff; }
.reviewer-panel h2 { font-size: clamp(38px, 4vw, 58px); }
.reviewer-copy > p:not(.fine-print) { max-width: 680px; margin-top: 28px; color: #e6ebff; font-family: var(--serif); font-size: 18px; }
.reviewer-copy .fine-print { margin: 25px 0 0; font-size: 11px; color: #d9e1ff; }
.reviewer-action { display: flex; flex-direction: column; justify-content: flex-end; }
.reviewer-action > p { padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.35); color: #e6ebff; font-size: 13px; }
.button-large { width: 100%; min-height: 96px; padding: 22px 24px; background: var(--white); border-color: var(--white); color: var(--night); font-size: 16px; text-align: left; }
.button-large:hover { background: #fff; border-color: #fff; color: var(--accent-deep); }
.button-arrow { font-size: 28px; font-weight: 400; }
.external-note { margin-top: 12px; color: #d9e1ff; font-size: 10px; text-align: right; }

.section-heading-row { display: grid; grid-template-columns: 1.25fr 0.55fr; gap: 80px; align-items: end; }
.section-heading-row > p { max-width: 400px; margin: 0 0 8px; color: var(--ink-soft); font-family: var(--serif); font-size: 18px; }
.section-heading-row > .speakers-note { font-family: var(--sans); font-size: 10px; font-weight: 600; line-height: 1.55; text-transform: uppercase; letter-spacing: 0.12em; }
.people-grid { margin-top: 72px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.person-card { min-width: 0; background: var(--paper); }
.person-photo { width: min(210px, calc(100% - 48px)); aspect-ratio: 1; margin: 30px auto 0; }
.person-card .person-photo > span { right: 16px; bottom: 10px; color: rgba(17, 28, 45, 0.68); font-size: 23px; }
.person-details { min-height: 185px; padding: 23px 24px 28px; text-align: center; }
.person-card h3 { margin: 0 0 2px; font-family: var(--serif); font-size: 23px; font-weight: 600; }
.person-card p { margin: 0 0 22px; color: var(--accent); font-size: 11px; font-weight: 600; }
.person-card span { color: var(--ink-soft); font-size: 12px; line-height: 1.55; }
.organizer-list { margin-top: 68px; display: grid; grid-template-columns: repeat(2, 1fr); column-gap: 70px; }
.organizer-list article { position: relative; isolation: isolate; overflow: hidden; border-top: 1px solid var(--line); }
.organizer-card { position: relative; z-index: 1; display: block; padding: 24px; }
.organizer-card::before { content: ""; position: absolute; inset: 0; background: var(--paper-bright); transform: scaleY(0); transform-origin: bottom; transition: transform 240ms ease; z-index: -1; }
.organizer-card:hover::before, .organizer-card:focus-visible::before { transform: scaleY(1); }
.organizer-card:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 50%, transparent); outline-offset: -3px; }
.organizer-list h3 { margin: 0; font-family: var(--serif); font-size: 23px; font-weight: 600; }
.organizer-list .organizer-affiliation { margin: 2px 0 0; color: var(--ink-soft); font-size: 12px; }
.organizer-list .organizer-bio { max-width: 510px; margin: 13px 0 0; color: var(--ink); font-family: var(--sans); font-size: 14px; line-height: 1.45; }

.section-sponsors { border-top: 1px solid var(--line); background: var(--paper-soft); }
.sponsors-panel { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 80px; align-items: start; }
.sponsor-group { min-width: 0; }
.section .sponsor-group h2 { margin: 0; font-size: clamp(32px, 3.5vw, 48px); }
.sponsor-logo { display: flex; align-items: center; justify-content: flex-start; width: min(100%, 360px); height: 180px; margin-top: 16px; }
.sponsor-logo img { width: 100%; height: 100%; object-fit: contain; object-position: left center; }
.sponsor-logo .sponsor-logo-elias { width: 60%; height: auto; }
.sponsor-logo .sponsor-logo-dark { display: none; }
html[data-theme="dark"] .sponsor-logo-light { display: none; }
html[data-theme="dark"] .sponsor-logo-dark { display: block; }

.site-footer { background: var(--night); color: var(--white); padding: 68px 0 24px; }
.footer-main { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 90px; }
.footer-mark { display: inline-block; font-size: 25px; font-weight: 700; letter-spacing: -0.06em; }
.footer-main > div:first-child p { margin-top: 20px; color: #9da9ba; font-family: var(--serif); font-size: 17px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.footer-links div { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-links span { margin-bottom: 8px; color: #758398; font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.14em; }
.footer-links a { color: #c3cbd7; font-size: 12px; }
.footer-links a:hover { color: #fff; }
.footer-link-disabled { color: #758398; font-size: 12px; cursor: not-allowed; }
.footer-legal { margin-top: 70px; padding-top: 19px; display: flex; justify-content: space-between; border-top: 1px solid #344155; color: #738094; font-size: 9px; text-transform: uppercase; letter-spacing: 0.08em; }

.privacy-main { min-height: calc(100svh - var(--header-height)); }
.privacy-hero { padding: clamp(70px, 9vw, 118px) 0 clamp(54px, 7vw, 86px); border-bottom: 1px solid var(--line); }
.privacy-hero .eyebrow { color: var(--accent); }
.privacy-hero h1 { margin-bottom: 28px; font-size: clamp(54px, 7vw, 92px); }
.privacy-lead { max-width: 790px; margin-bottom: 24px; color: var(--ink-soft); font-family: var(--serif); font-size: clamp(20px, 2.2vw, 28px); line-height: 1.4; }
.privacy-updated { margin: 0; color: var(--ink-soft); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; }
.privacy-body { padding: clamp(70px, 9vw, 118px) 0; }
.privacy-layout { display: grid; grid-template-columns: minmax(190px, 0.38fr) minmax(0, 1fr); gap: clamp(50px, 9vw, 130px); align-items: start; }
.privacy-summary { padding-top: 18px; border-top: 1px solid var(--line); }
.privacy-summary strong { display: block; margin-bottom: 10px; color: var(--accent); font-size: 10px; text-transform: uppercase; letter-spacing: 0.13em; }
.privacy-summary p { margin: 0; color: var(--ink-soft); font-family: var(--serif); font-size: 17px; line-height: 1.5; }
.privacy-content { max-width: 760px; }
.privacy-content section { padding: 0 0 42px; margin-bottom: 42px; border-bottom: 1px solid var(--line); }
.privacy-content section:last-child { padding-bottom: 0; margin-bottom: 0; border-bottom: 0; }
.privacy-content h2 { margin: 0 0 20px; font-size: clamp(31px, 3.3vw, 43px); line-height: 1.05; }
.privacy-content h3 { margin: 27px 0 9px; font-family: var(--serif); font-size: 23px; font-weight: 600; }
.privacy-content p, .privacy-content li { color: var(--ink-soft); font-size: 15px; line-height: 1.75; }
.privacy-content ul { margin: 0; padding-left: 21px; }
.privacy-content a { color: var(--accent-deep); text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--accent) 38%, transparent); text-underline-offset: 3px; }
.privacy-content a:hover { color: var(--accent); }
.privacy-back { white-space: nowrap; }

@media (min-width: 1200px) {
  .hero-visual { width: min(660px, 58vw); margin-right: -36px; }
}

@media (max-width: 980px) {
  :root { --shell: min(100% - 38px, 760px); }
  .site-nav { display: none; }
  .menu-button { display: flex; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { position: relative; z-index: 2; }
  .hero-visual { width: min(100%, 560px); justify-self: center; margin-top: 12px; }
  .intro-copy { max-width: 650px; }
  .themes-grid { grid-template-columns: repeat(2, 1fr); }
  .theme-card:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .theme-card:nth-child(4) { border-top: 1px solid var(--line); }
  .reviewer-panel { grid-template-columns: 1fr; }
  .people-grid { grid-template-columns: repeat(2, 1fr); }
  .section-heading-row { grid-template-columns: 1fr; gap: 30px; }
  .sponsors-panel { grid-template-columns: 1fr; gap: 48px; }
  .privacy-layout { grid-template-columns: 1fr; gap: 45px; }
  .privacy-summary { max-width: 520px; }
}

@media (max-width: 680px) {
  :root { --shell: calc(100% - 30px); --header-height: 70px; }
  .submission-banner-inner { min-height: 38px; }
  .submission-banner-action { font-size: 0; }
  .submission-banner-action span { font-size: 15px; }
  .wordmark { min-width: auto; }
  .wordmark-text { display: none; }
  .hero { padding-top: 52px; }
  h1 { font-size: clamp(43px, 12vw, 60px); }
  .hero-deck { font-size: 19px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-visual { width: min(100%, 420px); }
  .event-facts { grid-template-columns: 1fr; }
  .fact { padding: 20px 0; }
  .fact + .fact { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
  .section { padding: 80px 0; }
  .section h2 { font-size: 43px; }
  .intro-copy { padding-top: 28px; }
  .themes-grid { grid-template-columns: 1fr; margin-top: 55px; }
  .theme-card { min-height: 300px; border-left: 0 !important; border-top: 1px solid var(--line); }
  .theme-card:first-child { border-top: 0; }
  .reviewer-panel { width: 100%; padding: 50px 24px; gap: 45px; }
  .button-large { min-height: 118px; }
  .external-note { text-align: left; }
  .people-grid { grid-template-columns: 1fr; }
  .person-details { min-height: 0; }
  .organizer-list { grid-template-columns: 1fr; }
  .organizer-list article:nth-child(even) { border-top: 0; }
  .footer-main { grid-template-columns: 1fr; gap: 45px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-legal { align-items: flex-start; flex-direction: column; gap: 10px; }
  .privacy-back { font-size: 12px; }
  .privacy-hero h1 { font-size: 49px; }
  .privacy-content section { padding-bottom: 34px; margin-bottom: 34px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* Accepted-paper catalogue and static detail pages. */
.section-papers-intro { background: var(--paper-soft); border-block: 1px solid var(--line); }
.section-papers-intro .eyebrow { color: var(--accent); }
.papers-intro-copy p { margin: 0 0 24px; color: var(--ink-soft); }
.papers-main { min-height: calc(100svh - var(--header-height)); }
.papers-hero { padding: clamp(60px, 8vw, 100px) 0 48px; border-bottom: 1px solid var(--line); }
.papers-hero .eyebrow { color: var(--accent); }
.papers-hero h1 { font-size: clamp(44px, 6.5vw, 82px); overflow-wrap: anywhere; }
.papers-lead { max-width: 780px; font-family: var(--serif); font-size: clamp(20px, 2.4vw, 28px); color: var(--ink-soft); }
.paper-note { color: var(--ink-soft); font-size: 13px; }
.papers-catalogue { padding-block: 42px 90px; }
.catalogue-count { margin: 0 0 24px; font-size: 11px; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-soft); }
.paper-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.paper-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(220px, .38fr); gap: 40px; padding: 32px 0; border-bottom: 1px solid var(--line); }
.paper-row h2 { margin: 0 0 12px; font-size: clamp(25px, 3vw, 34px); line-height: 1.2; overflow-wrap: anywhere; }
.paper-row h2 a:hover { color: var(--accent); }
.paper-authors { color: var(--ink-soft); overflow-wrap: anywhere; }
.paper-row .paper-authors { margin: 0 0 20px; font-size: 14px; }
.paper-schedule { margin: 0; font-size: 14px; font-weight: 600; color: var(--accent-deep); }
.schedule-tbd { display: inline-block; font-weight: 400; color: var(--ink-soft); }
.papers-empty { max-width: 680px; padding-block: 24px; }
.papers-empty h2 { font-size: 32px; }
.papers-empty p { color: var(--ink-soft); }
.paper-eyebrow { margin-top: 42px; }
.papers-hero .paper-title { max-width: 1080px; font-size: clamp(36px, 5vw, 64px); line-height: 1.12; }
.papers-hero .paper-authors { max-width: 900px; margin-block: 24px; font-size: 18px; }
.paper-content { max-width: 960px; padding-block: 50px 90px; }
.paper-section { padding-bottom: 44px; margin-bottom: 44px; border-bottom: 1px solid var(--line); }
.paper-section:last-child { margin-bottom: 0; border-bottom: 0; padding-bottom: 0; }
.paper-section h2 { margin: 0 0 24px; font-size: 34px; }
.paper-abstract { max-width: 800px; font-size: 17px; line-height: 1.8; }
.paper-abstract p { white-space: pre-line; }
.paper-pdf { display: block; width: 100%; height: 760px; border: 1px solid var(--line); background: var(--paper-bright); }
.paper-video, .video-embed { width: 100%; aspect-ratio: 16 / 9; background: var(--paper-soft); border: 1px solid var(--line); }
.paper-video { display: block; }
.video-embed iframe { width: 100%; height: 100%; border: 0; display: block; }
.video-placeholder { display: grid; place-content: center; justify-items: center; height: 100%; padding: 20px; text-align: center; }
.video-placeholder p { color: var(--ink-soft); font-size: 13px; }
.site-nav a[aria-current="page"], .mobile-nav a[aria-current="page"] { color: var(--accent); }
.paper-row a:focus-visible, .paper-section a:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
@media (max-width: 680px) {
  .paper-row { grid-template-columns: 1fr; gap: 20px; }
  .paper-pdf { height: 520px; }
  .video-placeholder { padding: 12px; }
  .video-placeholder p { margin: 0 0 10px; }
  .video-placeholder .button { min-height: 40px; padding: 10px 14px; }
}

/* Live catalogue search; hidden rows must override their grid display. */
.paper-search { max-width: 720px; margin-bottom: 32px; }
.paper-search label { display: block; margin-bottom: 10px; font-size: 14px; font-weight: 600; }
.paper-search input { display: block; width: 100%; min-height: 50px; padding: 12px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper-bright); color: var(--ink); }
.paper-search input::placeholder { color: var(--ink-soft); opacity: 1; }
.paper-search input:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.paper-search .paper-note { margin-block: 10px 0; }
.paper-row[hidden] { display: none; }
.paper-search-excerpt { color: var(--ink-soft); font-size: 14px; line-height: 1.65; margin: 0 0 20px; overflow-wrap: anywhere; }
.paper-row mark { background: #f9df87; color: #111c2d; border-radius: 2px; }
html[data-theme="dark"] .paper-row mark { background: #ffe09a; color: #111c2d; }
.papers-no-results { padding-block: 24px; color: var(--ink-soft); }

/* Keep mathematical notation readable in titles, abstracts, and search results. */
.papers-main .katex { font-size: 1.05em; }
.papers-main .katex-display { max-width: 100%; overflow-x: auto; overflow-y: hidden; padding-block: .2em; }
.paper-row .math-search-match { background: #f9df87; color: #111c2d; border-radius: 2px; }
html[data-theme="dark"] .paper-row .math-search-match { background: #ffe09a; color: #111c2d; }

/* The paper map is a navigable landscape, with an adjacent searchable index. */
.papers-hero--catalogue { padding: 36px 0 24px; }
.papers-hero--catalogue .eyebrow { margin-bottom: 14px; }
.papers-hero--catalogue h1 { font-size: clamp(38px, 5vw, 58px); margin-bottom: 12px; }
.papers-hero--catalogue .papers-lead { font-family: var(--sans); font-size: 15px; margin-bottom: 8px; }
.papers-hero--catalogue .paper-note { margin-bottom: 0; font-size: 12px; }
.paper-map { padding-top: 26px; }
.paper-map[hidden] { display: none; }
.paper-map-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 16px; }
.paper-map h2 { font-size: 30px; margin-bottom: 6px; }
.paper-map-header p { font-size: 12px; color: var(--ink-soft); margin: 0; }
.paper-map button { font: inherit; cursor: pointer; }
.paper-map button:disabled { cursor: default; opacity: .4; }
.paper-map-header > button, .paper-map-toolbar > button { border: 0; background: transparent; color: var(--accent-deep); font-size: 12px; padding: 8px; }
.paper-map-app { border: 1px solid var(--line); border-radius: 8px; background: var(--paper-bright); overflow: hidden; }
.paper-map-toolbar { display: flex; align-items: center; gap: 16px; padding: 14px 18px; border-bottom: 1px solid var(--line); }
[data-map-search-slot] { flex: 1; min-width: 120px; max-width: 580px; }
.paper-map .paper-search { margin: 0; max-width: none; }
.paper-map .paper-search label { font-size: 11px; margin-bottom: 4px; }
.paper-map .paper-search input { min-height: 38px; padding: 8px 12px; font-size: 13px; background: var(--paper); }
.paper-map .paper-search .paper-note { display: none; }
[data-map-status] { font-size: 12px; color: var(--ink-soft); margin-left: auto; white-space: nowrap; }
.paper-map-topics { display: flex; gap: 6px; flex-wrap: wrap; padding: 12px 18px; border-bottom: 1px solid var(--line); }
.paper-map-topic { display: inline-flex; align-items: center; gap: 7px; border: 1px solid transparent; border-radius: 20px; padding: 6px 9px; background: transparent; color: var(--ink-soft); font-size: 11px !important; line-height: 1.3; }
.paper-map-topic::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--topic-color, var(--ink)); flex-shrink: 0; }
.paper-map-topic[aria-pressed="true"] { background: var(--paper-soft); border-color: var(--line); color: var(--ink); }
.paper-map-topic:hover { background: var(--paper-soft); }
.paper-map-topic span { opacity: .65; font-size: 10px; }
.paper-map-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; height: 540px; }
.paper-map-canvas { position: relative; min-width: 0; overflow: hidden; background: var(--paper); }
.paper-map-canvas svg { display: block; width: 100%; height: 100%; cursor: grab; touch-action: none; }
.paper-map-canvas svg.is-dragging { cursor: grabbing; }
.paper-map-hull { fill: var(--topic-color); fill-opacity: .035; stroke: var(--topic-color); stroke-opacity: .08; stroke-width: 1; pointer-events: none; }
.paper-map-dot { cursor: pointer; outline: none; }
.paper-map-dot .map-dot-core { fill: var(--topic-color); stroke: var(--paper-bright); stroke-width: 1.4; }
.paper-map-dot .map-dot-hit { fill: transparent; }
.paper-map-dot .map-dot-ring { fill: none; stroke: var(--ink); stroke-width: 1.8; opacity: 0; }
.paper-map-dot.is-selected .map-dot-ring, .paper-map-dot:focus-visible .map-dot-ring, .paper-map-dot:hover .map-dot-ring { opacity: 1; }
.paper-map-dot.is-muted { opacity: .1; pointer-events: none; }
.paper-map-dot.is-related .map-dot-ring { stroke: var(--topic-color); stroke-width: 1; opacity: .65; stroke-dasharray: 3 2; }
.paper-map-edge { stroke: var(--ink-soft); stroke-opacity: .35; stroke-dasharray: 4 4; stroke-width: 1; pointer-events: none; }
.paper-map-label { cursor: pointer; outline: none; }
.paper-map-label rect { fill: var(--paper-bright); stroke: var(--topic-color); stroke-width: .7; rx: 5; opacity: .96; }
.paper-map-label text { fill: var(--ink); font-family: var(--sans); font-size: 11px; font-weight: 600; text-anchor: middle; pointer-events: none; }
.paper-map-label:hover rect, .paper-map-label:focus-visible rect { stroke-width: 2; }
.paper-map-label.is-muted { opacity: .15; pointer-events: none; }
.paper-map-navigation { position: absolute; top: 14px; left: 14px; display: flex; box-shadow: var(--shadow); border: 1px solid var(--line); border-radius: 5px; overflow: hidden; }
.paper-map-navigation button { border: 0; border-right: 1px solid var(--line); background: var(--paper-bright); min-width: 36px; min-height: 36px; font-size: 17px; padding: 4px 11px; }
.paper-map-navigation button:last-child { border: 0; font-size: 11px; }
.paper-map-navigation button:hover { background: var(--paper-soft); }
.paper-map-hint { position: absolute; bottom: 8px; left: 12px; margin: 0; font-size: 10px; color: var(--ink-soft); background: var(--paper); padding: 4px 7px; border-radius: 3px; pointer-events: none; }
.paper-map-tooltip { position: absolute; z-index: 4; width: 270px; max-width: calc(100% - 20px); padding: 13px 15px; background: var(--paper-bright); border: 1px solid var(--line); border-radius: 6px; box-shadow: var(--shadow); pointer-events: none; }
.paper-map-tooltip strong { font-family: var(--serif); font-weight: 500; display: block; font-size: 17px; line-height: 1.25; margin: 5px 0 8px; }
.paper-map-tooltip span, .paper-map-tooltip small { display: block; font-size: 10px; line-height: 1.5; color: var(--ink-soft); }
.paper-map-sidebar { border-left: 1px solid var(--line); overflow: auto; overscroll-behavior: contain; scrollbar-width: thin; }
.paper-map-results-heading { position: sticky; top: 0; background: var(--paper-bright); z-index: 2; margin: 0; padding: 16px 18px 12px; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; border-bottom: 1px solid var(--line); }
.paper-map-results { list-style: none; margin: 0; padding: 0; }
.paper-map-result { width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--line); text-align: left; padding: 14px 18px; display: block; }
.paper-map-result:hover { background: var(--paper-soft); }
.paper-map-result .paper-map-topic-name { display: block; color: var(--topic-color); font-size: 10px; margin-bottom: 6px; }
.paper-map-result strong { display: block; font-size: 12px; font-weight: 500; line-height: 1.5; overflow-wrap: anywhere; }
.paper-map-result small { display: block; font-size: 10px; margin-top: 7px; color: var(--ink-soft); line-height: 1.5; }
.paper-map-result-number { color: var(--ink-soft); font-size: 9px; float: right; margin-left: 6px; }
.paper-map-detail-body { padding: 18px; }
.paper-map-back { position: sticky; top: 0; z-index: 2; display: block; padding: 12px 18px; border: 0; border-bottom: 1px solid var(--line); background: var(--paper-bright); width: 100%; text-align: left; color: var(--accent-deep); font-size: 11px !important; }
.paper-map-detail-body h3 { font-family: var(--serif); font-weight: 500; font-size: 23px; line-height: 1.25; margin: 12px 0; overflow-wrap: anywhere; }
.paper-map-detail-body h4 { font-size: 11px; margin: 24px 0 10px; text-transform: uppercase; letter-spacing: .06em; }
.paper-map-detail-body .paper-note { font-size: 11px; }
.paper-map-detail-body .paper-map-abstract { font-size: 13px; line-height: 1.75; color: var(--ink-soft); white-space: pre-line; overflow-wrap: anywhere; }
.paper-map-detail-body details summary { font-size: 11px; cursor: pointer; margin-bottom: 10px; }
.paper-map-open { display: block; text-align: center; border-radius: 4px; padding: 10px; background: var(--accent); color: var(--paper-bright); font-size: 12px; margin: 16px 0; font-weight: 600; }
html[data-theme="dark"] .paper-map-open { color: var(--night); }
.paper-map-neighbour { width: 100%; padding: 12px 0; border: 0; border-top: 1px solid var(--line); background: transparent; text-align: left; color: var(--accent-deep); font-size: 12px !important; line-height: 1.45; }
.paper-map-neighbour small { display: block; font-size: 10px; color: var(--ink-soft); margin-top: 6px; }
.paper-map-empty { font-size: 13px; padding: 24px 18px; color: var(--ink-soft); }
.paper-map-about { margin-top: 12px; font-size: 11px; color: var(--ink-soft); max-width: 900px; }
.paper-map-about summary { cursor: pointer; }
.paper-map-about p { margin: 12px 0 0; }
.paper-map button:focus-visible, .paper-map a:focus-visible, .paper-map summary:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.paper-map.is-expanded { position: fixed; inset: 12px; z-index: 50; width: auto; margin: 0; padding: 18px; background: var(--paper); border: 1px solid var(--line); border-radius: 8px; display: flex; flex-direction: column; box-shadow: 0 0 0 30px #0007; }
.paper-map.is-expanded .paper-map-app { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.paper-map.is-expanded .paper-map-grid { flex: 1; min-height: 0; }
.paper-map.is-expanded .paper-map-about { display: none; }
body.has-expanded-map { overflow: hidden; }
@media (max-width: 900px) { .paper-map-grid { grid-template-columns: minmax(0, 1fr) 280px; } }
@media (max-width: 680px) {
  .papers-hero--catalogue { padding: 24px 0 18px; }
  .papers-hero--catalogue .paper-note { display: none; }
  .paper-map-header p { max-width: 235px; }
  .paper-map h2 { font-size: 26px; }
  .paper-map-toolbar { padding: 10px 12px; gap: 10px; flex-wrap: wrap; }
  [data-map-search-slot] { flex-basis: 100%; max-width: none; }
  [data-map-status] { margin-left: 0; }
  .paper-map-toolbar > button { margin-left: auto; padding: 0; }
  .paper-map-topics { padding: 10px 12px; flex-wrap: nowrap; overflow: auto; }
  .paper-map-topic { white-space: nowrap; }
  .paper-map-grid { grid-template-columns: 1fr; grid-template-rows: 350px 270px; height: 620px; }
  .paper-map-sidebar { border-left: 0; border-top: 1px solid var(--line); }
  .paper-map-hint { font-size: 9px; }
  .paper-map.is-expanded { inset: 0; border: 0; border-radius: 0; padding: 12px; }
  .paper-map.is-expanded .paper-map-grid { grid-template-rows: minmax(200px, 1fr) minmax(170px, .85fr); }
}