:root {
  --ink: #0b1729;
  --ink-soft: #304058;
  --muted: #647188;
  --paper: #f3f6f9;
  --white: #ffffff;
  --navy: #040b18;
  --navy-2: #07152a;
  --navy-3: #0b2340;
  --cyan: #6ce6f2;
  --cyan-strong: #1bc5d6;
  --blue: #4b7bff;
  --amber: #f3b454;
  --line: #dce4ec;
  --line-dark: rgba(172, 213, 233, 0.18);
  --shadow: 0 24px 70px rgba(23, 42, 75, 0.12);
  --shadow-soft: 0 12px 34px rgba(23, 42, 75, 0.07);
  --radius: 24px;
  --page: min(1120px, calc(100% - 64px));
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Avenir Next", Avenir, Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.nav-open { overflow: hidden; }

img { max-width: 100%; }
a { color: inherit; }

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--white);
  outline-offset: 4px;
  box-shadow: 0 0 0 7px #0b7180;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  transform: translateY(-170%);
  padding: 10px 15px;
  border-radius: 10px;
  color: var(--navy);
  background: var(--white);
  font-size: 14px;
  font-weight: 800;
}

.skip-link:focus { transform: translateY(0); }

.page-shell {
  width: var(--page);
  margin-inline: auto;
}

/* Header */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(4, 11, 24, 0.82);
  backdrop-filter: blur(18px) saturate(130%);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header.scrolled {
  background: rgba(4, 11, 24, 0.95);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.14);
}

.nav-shell {
  width: var(--page);
  min-height: 76px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  min-width: max-content;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  text-decoration: none;
}

.brand-signal {
  position: relative;
  width: 41px;
  height: 41px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(108, 230, 242, 0.38);
  border-radius: 13px;
  background: linear-gradient(145deg, rgba(108, 230, 242, 0.12), rgba(75, 123, 255, 0.16));
}

.brand-signal i {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(108, 230, 242, 0.72);
}

.brand-signal i:nth-child(1) { transform: translate(-9px, 5px); }
.brand-signal i:nth-child(2) { transform: translate(0, -8px); }
.brand-signal i:nth-child(3) { transform: translate(9px, 5px); }

.brand-signal::before,
.brand-signal::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 1px;
  background: rgba(108, 230, 242, 0.74);
  transform-origin: center;
}

.brand-signal::before { transform: rotate(-42deg) translate(1px, -2px); }
.brand-signal::after { transform: rotate(42deg) translate(-1px, -2px); }

.brand-copy { display: grid; line-height: 1.1; }
.brand-copy strong { font-size: 13px; letter-spacing: 0.05em; text-transform: uppercase; }
.brand-copy small { margin-top: 5px; color: #9eb1cd; font-size: 11px; letter-spacing: 0.015em; }

.nav-panel {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links a {
  position: relative;
  color: #c9d4e5;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  transition: color 160ms ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transition: right 160ms ease;
}

.nav-links a:hover,
.nav-links a.active { color: var(--white); }
.nav-links a:hover::after,
.nav-links a.active::after { right: 0; }

.nav-cta {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 15px;
  border: 1px solid rgba(108, 230, 242, 0.5);
  border-radius: 10px;
  color: var(--cyan);
  background: rgba(108, 230, 242, 0.08);
  text-decoration: none;
  font-size: 12px;
  font-weight: 850;
  white-space: nowrap;
  transition: background 160ms ease, color 160ms ease;
}

.nav-cta:hover { color: var(--navy); background: var(--cyan); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  border-radius: 4px;
  background: var(--white);
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */

.hero {
  position: relative;
  min-height: 790px;
  overflow: hidden;
  isolation: isolate;
  color: var(--white);
  background: var(--navy);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, #040b18 0%, rgba(4, 11, 24, 0.98) 32%, rgba(4, 11, 24, 0.76) 53%, rgba(4, 11, 24, 0.14) 78%),
    linear-gradient(0deg, rgba(4, 11, 24, 0.86), transparent 38%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.12;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(140, 212, 235, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 212, 235, 0.14) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: linear-gradient(90deg, black, transparent 75%);
}

.hero-media {
  position: absolute;
  z-index: -2;
  inset: 0 0 0 27%;
}

.hero-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center right;
  filter: saturate(0.95) contrast(1.05);
}

.hero-shell {
  width: var(--page);
  min-height: 790px;
  margin-inline: auto;
  padding: 148px 0 128px;
  display: flex;
  align-items: center;
}

.hero-copy-block { width: min(760px, 63%); }

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  color: #c5d4e9;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.accepted-badge {
  padding: 7px 10px 6px;
  border: 1px solid rgba(108, 230, 242, 0.45);
  border-radius: 999px;
  color: var(--cyan);
  background: rgba(108, 230, 242, 0.08);
  font-size: 11px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(48px, 6.2vw, 82px);
  line-height: 0.99;
  letter-spacing: -0.06em;
  text-wrap: balance;
}

.hero h1 em {
  color: var(--cyan);
  font-style: normal;
  font-weight: inherit;
  text-shadow: 0 0 42px rgba(108, 230, 242, 0.16);
}

.hero-subtitle {
  margin: 23px 0 0;
  color: #e4edf9;
  font-size: clamp(19px, 2.2vw, 26px);
  font-weight: 650;
  letter-spacing: -0.025em;
}

.hero-intro {
  max-width: 650px;
  margin: 20px 0 0;
  color: #aebed3;
  font-size: 17px;
}

.hero-actions {
  margin-top: 33px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 12px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 850;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover { transform: translateY(-2px); }
.button.primary { color: #03101d; background: var(--cyan); box-shadow: 0 16px 38px rgba(27, 197, 214, 0.22); }
.button.primary:hover { box-shadow: 0 18px 44px rgba(27, 197, 214, 0.32); }
.button.ghost { border-color: rgba(255, 255, 255, 0.25); color: var(--white); background: rgba(255, 255, 255, 0.05); }
.button.ghost:hover { background: rgba(255, 255, 255, 0.1); }

.hero-scroll {
  position: absolute;
  left: max(24px, calc((100% - 1200px) / 2));
  bottom: 54px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #71839d;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-scroll span { width: 36px; height: 1px; background: #71839d; }

/* Facts and update */

.fact-rail {
  position: relative;
  z-index: 5;
  margin-top: -34px;
}

.fact-shell {
  width: var(--page);
  min-height: 138px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.fact {
  position: relative;
  padding: 26px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.fact + .fact::before {
  content: "";
  position: absolute;
  inset: 26px auto 26px 0;
  width: 1px;
  background: var(--line);
}

.fact span {
  margin-bottom: 7px;
  color: #688097;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.fact strong { font-size: 16px; line-height: 1.3; letter-spacing: -0.015em; }
.fact small { margin-top: 4px; color: var(--muted); font-size: 12px; }
.fact.accent { color: var(--white); background: linear-gradient(145deg, #0a2944, #075160); }
.fact.accent::before { display: none; }
.fact.accent span, .fact.accent small { color: #b6e9ee; }

.update-bar { padding: 19px 0 0; }
.update-shell {
  min-height: 52px;
  padding: 12px 19px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid #d4e1eb;
  border-radius: 14px;
  color: #42546c;
  background: #edf4f8;
  font-size: 12px;
}

.update-shell p { flex: 1; margin: 0; }
.update-shell time { color: var(--ink); font-weight: 850; white-space: nowrap; }
.update-shell a { color: #176b7a; font-weight: 850; text-decoration: none; white-space: nowrap; }
.update-shell a:hover { text-decoration: underline; }
.pulse {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #16a6b9;
  box-shadow: 0 0 0 5px rgba(22, 166, 185, 0.12);
}

/* Shared sections */

.section { padding: 136px 0; }

.section-head { max-width: 760px; margin-bottom: 60px; }
.section-head.wide { max-width: 980px; }
.section-head.split-head {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 100px;
  align-items: end;
}

.section-index {
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #477083;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.section-index span {
  min-width: 29px;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--cyan-strong);
  color: #147a89;
}

.section-index.light { color: #9bb2ca; }
.section-index.light span { color: var(--cyan); border-color: var(--cyan); }

.section h2,
.site-footer h2 {
  margin: 0;
  font-size: clamp(36px, 4.6vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.052em;
  text-wrap: balance;
}

.section-head > p:not(.section-index),
.split-head > p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.split-head > p { margin: 0 0 3px; }

.micro-label {
  margin: 0 0 12px;
  color: #287381;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

/* Overview */

.overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.68fr);
  gap: 90px;
  align-items: start;
}

.lead-copy p {
  margin: 0 0 22px;
  color: #273952;
  font-size: 19px;
  line-height: 1.75;
}

.lead-copy p:last-child { margin-bottom: 0; }

.scope-card {
  position: relative;
  overflow: hidden;
  padding: 31px;
  border: 1px solid #d6e1ea;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.scope-card::after {
  content: "";
  position: absolute;
  right: -48px;
  bottom: -68px;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(27, 197, 214, 0.28);
  border-radius: 50%;
  box-shadow: 0 0 0 25px rgba(27, 197, 214, 0.035), 0 0 0 50px rgba(75, 123, 255, 0.025);
}

.scope-label {
  display: inline-block;
  margin-bottom: 17px;
  color: #147a89;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.scope-card p { position: relative; z-index: 1; margin: 0; color: #33475f; font-size: 15px; }
.scope-divider { width: 46px; height: 2px; margin: 22px 0; background: var(--cyan-strong); }
.scope-card .scope-note { color: #677489; font-size: 13px; }
.scope-card .scope-note strong { color: #33475f; }

.audience-strip {
  margin-top: 86px;
  padding: 27px 0;
  display: grid;
  grid-template-columns: 150px 1fr;
  align-items: center;
  gap: 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.audience-strip > span { color: #3b5068; font-size: 11px; font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; }
.audience-strip ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.audience-strip li { padding: 6px 10px; border-radius: 999px; color: #466077; background: #e8eef3; font-size: 11px; font-weight: 750; }

/* Research questions and topics */

.research-section { background: var(--white); }
.question-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.question-card {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f8fafc;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.question-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.question-card::after {
  content: "";
  position: absolute;
  right: -55px;
  bottom: -55px;
  width: 150px;
  height: 150px;
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: 0.11;
  box-shadow: 0 0 0 26px currentColor, 0 0 0 53px currentColor;
}

.question-card.cyan { color: #0a8c9e; }
.question-card.blue { color: #416ee2; }
.question-card.amber { color: #b8791a; }
.question-no { display: block; margin-bottom: 62px; font-size: 11px; font-weight: 950; letter-spacing: 0.13em; }
.question-card h3 { margin: 0 0 15px; color: var(--ink); font-size: 27px; line-height: 1.15; letter-spacing: -0.035em; }
.question-card p { margin: 0; color: var(--muted); font-size: 14px; }
.question-card ul { position: relative; z-index: 1; margin: 24px 0 0; padding: 0; list-style: none; color: #3d5067; font-size: 12px; font-weight: 750; }
.question-card li { margin-top: 8px; }
.question-card li::before { content: "—"; margin-right: 7px; color: currentColor; }

.topic-board {
  margin-top: 100px;
  padding: 52px;
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 74px;
  border: 1px solid #d7e2eb;
  border-radius: 30px;
  background: #f2f6f9;
}

.topic-board-head h3 { margin: 0; font-size: 31px; line-height: 1.2; letter-spacing: -0.035em; }
.topic-list { display: grid; grid-template-columns: repeat(2, 1fr); column-gap: 40px; }
.topic-list article { display: grid; grid-template-columns: 32px 1fr; gap: 13px; padding: 22px 0; border-top: 1px solid #d5e0e8; }
.topic-list article:nth-child(-n+2) { border-top: 0; padding-top: 0; }
.topic-list article > span { color: #4c8290; font-size: 10px; font-weight: 900; }
.topic-list h4 { margin: 0 0 5px; font-size: 14px; line-height: 1.3; }
.topic-list p { margin: 0; color: var(--muted); font-size: 12px; }

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border: 1px solid rgba(108, 230, 242, 0.31);
  border-radius: 999px;
  color: #a9eff5;
  background: rgba(108, 230, 242, 0.07);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.04em;
  text-decoration: none;
}

/* Speakers */

.speaker-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.speaker-card {
  position: relative;
  min-height: 310px;
  overflow: hidden;
  padding: 30px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--white);
  box-shadow: 0 8px 28px rgba(23, 42, 75, 0.045);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.speaker-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.speaker-photo {
  width: 112px;
  height: 112px;
  margin-bottom: 34px;
  object-fit: cover;
  object-position: center;
  border: 1px solid #c5dce2;
  border-radius: 24px;
  background: #eaf3f5;
  box-shadow: 0 10px 25px rgba(17, 48, 64, 0.12);
  transition: transform 180ms ease;
}

.speaker-card:hover .speaker-photo { transform: scale(1.025); }
.confirmed {
  position: absolute;
  top: 30px;
  right: 30px;
  color: #4f7182;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.confirmed::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 6px; border-radius: 50%; background: #19a8b7; }
.speaker-card h3 { margin: 0; font-size: 21px; letter-spacing: -0.025em; }
.speaker-card p { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.speaker-card strong { margin-top: auto; padding-top: 18px; color: #31475d; font-size: 12px; }

.person-link {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: rgba(20, 122, 137, 0.38);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 160ms ease, text-decoration-color 160ms ease;
}

.person-link:hover,
.person-link:focus-visible { color: #147a89; text-decoration-color: currentColor; }

/* Program */

.program-section { background: var(--white); }
.program-flow { position: relative; display: grid; grid-template-columns: repeat(6, 1fr); column-gap: 18px; }
.program-flow::before { content: ""; position: absolute; top: 12px; left: 4%; right: 4%; height: 1px; background: #cbd8e2; }
.program-flow article { position: relative; padding: 42px 18px 0 0; }
.program-flow article::before { content: ""; position: absolute; z-index: 1; top: 7px; left: 0; width: 11px; height: 11px; border: 3px solid var(--white); border-radius: 50%; background: var(--cyan-strong); box-shadow: 0 0 0 1px #7ecbd5; }
.program-time { color: #367686; font-size: 10px; font-weight: 950; letter-spacing: 0.11em; text-transform: uppercase; }
.program-flow strong { display: block; margin-top: 10px; font-size: 14px; line-height: 1.25; }
.program-flow p { margin: 8px 0 0; color: var(--muted); font-size: 11px; }

/* Participation */

.participate-section {
  color: var(--white);
  background:
    radial-gradient(circle at 8% 18%, rgba(75, 123, 255, 0.12), transparent 29%),
    linear-gradient(145deg, #07111f, #0a1b31 58%, #082638);
}

.light-head > p:not(.section-index) { color: #aebed2; }
.participate-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(330px, 0.75fr); gap: 30px; }

.call-card,
.dates-card {
  border: 1px solid rgba(197, 220, 235, 0.16);
  border-radius: 25px;
  background: rgba(255, 255, 255, 0.055);
  backdrop-filter: blur(8px);
}

.call-card { padding: 42px; }
.dark-pill { color: #a9eff5; }
.call-card h3,
.dates-card h3 { margin: 20px 0 10px; font-size: 27px; letter-spacing: -0.035em; }
.call-card-head p { max-width: 680px; margin: 0; color: #aebed2; font-size: 14px; }
.submission-grid { margin-top: 32px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.submission-grid span { padding: 16px; border: 1px solid rgba(108, 230, 242, 0.15); border-radius: 12px; color: #dbeaf4; background: rgba(108, 230, 242, 0.045); font-size: 12px; font-weight: 750; }
.pending-policy { margin-top: 32px; padding: 22px; border-left: 3px solid var(--amber); border-radius: 0 12px 12px 0; background: rgba(243, 180, 84, 0.08); }
.pending-policy strong { color: #ffd492; font-size: 12px; }
.pending-policy p { margin: 5px 0 0; color: #b8c6d6; font-size: 11px; }
.pending-policy a { color: #a9eff5; text-underline-offset: 0.16em; }
.pending-policy a:hover,
.pending-policy a:focus-visible { color: var(--white); }

.dates-card { padding: 38px; }
.dates-card .micro-label { color: #88dce6; }
.date-list { position: relative; margin: 27px 0 0; padding: 0; list-style: none; }
.date-list::before { content: ""; position: absolute; left: 5px; top: 7px; bottom: 10px; width: 1px; background: rgba(108, 230, 242, 0.24); }
.date-list li { position: relative; padding: 0 0 23px 28px; display: grid; }
.date-list li:last-child { padding-bottom: 0; }
.date-list li::before { content: ""; position: absolute; z-index: 1; left: 0; top: 5px; width: 11px; height: 11px; border: 3px solid #0a1b31; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 1px rgba(108, 230, 242, 0.4); }
.date-list time,
.date-list .date-window { color: var(--cyan); font-size: 11px; font-weight: 900; letter-spacing: 0.03em; }
.date-list span { margin-top: 3px; font-size: 13px; font-weight: 750; }
.date-list small { margin-top: 2px; color: #a5b7c9; font-size: 11px; }

.policy-row { margin-top: 30px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.policy-row article { padding: 22px; display: grid; grid-template-columns: 32px 1fr; gap: 14px; border: 1px solid rgba(197, 220, 235, 0.13); border-radius: 15px; background: rgba(255, 255, 255, 0.035); }
.policy-row article > span { color: var(--cyan); font-size: 18px; line-height: 1; }
.policy-row strong { display: block; margin-bottom: 4px; font-size: 12px; }
.policy-row p { margin: 0; color: #93a8bd; font-size: 11.5px; line-height: 1.55; }
.policy-row a { color: #a9eff5; text-underline-offset: 0.16em; }
.policy-row a:hover,
.policy-row a:focus-visible { color: var(--white); }

/* Organizers */

.organizer-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.organizer-card { min-height: 190px; padding: 30px; display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 24px; align-items: start; border: 1px solid var(--line); border-radius: 21px; background: var(--white); }
.organizer-photo {
  width: 88px;
  height: 88px;
  object-fit: cover;
  object-position: center;
  border: 1px solid #c5dce2;
  border-radius: 20px;
  background: #eaf3f5;
  box-shadow: 0 8px 22px rgba(17, 48, 64, 0.1);
}
.organizer-photo.portrait-wide { object-position: 46% center; }
.team-role { color: #356f7b; font-size: 10px; font-weight: 900; letter-spacing: 0.11em; text-transform: uppercase; }
.organizer-card h3 { margin: 10px 0 0; font-size: 20px; }
.organizer-card p { margin: 3px 0 12px; color: var(--muted); font-size: 12px; }
.organizer-email { color: #1b7280; font-size: 12px; font-weight: 700; overflow-wrap: anywhere; text-decoration-line: underline; text-decoration-color: rgba(27, 114, 128, 0.38); text-underline-offset: 0.16em; }
.organizer-email:hover,
.organizer-email:focus-visible { color: #125b67; text-decoration-color: currentColor; }

@media (min-width: 701px) {
  .organizer-card:last-child:nth-child(odd) { grid-column: 1 / -1; width: calc((100% - 22px) / 2); justify-self: center; }
}

.program-team-card {
  margin-top: 32px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 21px;
  background: var(--white);
}
.program-chair-heading { padding: 25px 30px; color: var(--ink); font-size: 13px; font-weight: 850; }
.program-chair-entry { margin: 0 25px; padding: 12px 0 18px; display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; border-top: 1px solid #e4eaf0; }
.program-chair-person { display: grid; align-content: start; }
.program-chair-person strong { font-size: 12px; }
.program-chair-person span { margin-top: 2px; color: var(--muted); font-size: 10px; }
.program-chair-email { font-size: 10px; }

.committee { overflow: hidden; border-top: 1px solid var(--line); }
.committee summary { padding: 25px 30px; display: flex; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; font-size: 13px; font-weight: 850; list-style: none; }
.committee summary::-webkit-details-marker { display: none; }
.committee summary::after { content: "+"; width: 29px; height: 29px; display: grid; place-items: center; border-radius: 9px; color: #176b78; background: #e7f5f7; font-size: 18px; }
.committee[open] summary::after { content: "−"; }
.committee summary small { margin-left: auto; color: var(--muted); font-size: 10px; font-weight: 700; }
.committee-list { margin: 0; padding: 0 25px 27px; display: grid; grid-template-columns: repeat(4, 1fr); column-gap: 24px; list-style: none; }
.committee-list li { min-width: 0; padding: 12px 0; display: grid; align-content: start; border-top: 1px solid #e4eaf0; }
.committee-list strong { font-size: 12px; }
.committee-list span { margin-top: 2px; color: var(--muted); font-size: 10px; }

/* FAQ and footer */

.faq-section { padding-top: 118px; background: var(--white); }
.faq-layout { display: grid; grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1.3fr); gap: 110px; }
.faq-layout h2 { font-size: clamp(34px, 4vw, 50px); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 24px 44px 24px 0; cursor: pointer; font-size: 14px; font-weight: 800; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 5px; top: 20px; color: #2e7783; font-size: 20px; font-weight: 500; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { margin: -5px 48px 20px 0; color: var(--muted); font-size: 12px; }

.site-footer { padding: 96px 0 32px; color: #aab8cb; background: #030913; }
.footer-grid { display: grid; grid-template-columns: 1fr 300px; gap: 80px; align-items: end; }
.footer-kicker { margin: 0 0 13px; color: var(--cyan); font-size: 10px; font-weight: 900; letter-spacing: 0.13em; text-transform: uppercase; }
.site-footer h2 { max-width: 760px; color: var(--white); font-size: clamp(31px, 4vw, 48px); }
.site-footer h2 + p { margin: 12px 0 0; color: #7e90a8; font-size: 13px; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { padding-bottom: 9px; display: flex; justify-content: space-between; border-bottom: 1px solid rgba(255, 255, 255, 0.12); color: #c9d5e5; text-decoration: none; font-size: 12px; font-weight: 700; }
.footer-links a:hover { color: var(--cyan); border-color: rgba(108, 230, 242, 0.4); }
.footer-bottom { margin-top: 70px; padding-top: 20px; display: flex; justify-content: space-between; gap: 25px; border-top: 1px solid rgba(255, 255, 255, 0.1); color: #7e91a8; font-size: 10px; letter-spacing: 0.04em; }

/* Responsive */

@media (max-width: 1120px) {
  .brand-copy small { display: none; }
  .nav-links { gap: 15px; }
  .nav-links a { font-size: 12px; }
  .nav-cta { display: none; }
  .hero-copy-block { width: 68%; }
  .fact { padding: 22px; }
  .fact strong { font-size: 14px; }
}

@media (max-width: 1100px) {
  .program-flow { grid-template-columns: repeat(3, 1fr); gap: 38px 26px; }
  .program-flow::before { display: none; }
  .program-flow article { padding: 27px 22px 0 0; border-top: 1px solid var(--line); }
  .program-flow article::before { top: -6px; }
}

@media (max-width: 1000px) {
  .fact-shell { grid-template-columns: repeat(2, 1fr); }
  .fact + .fact::before { display: none; }
  .fact:nth-child(odd) { border-right: 1px solid var(--line); }
  .fact:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 920px) {
  :root { --page: min(100% - 36px, 1200px); }
  .nav-toggle { display: block; }
  .nav-panel {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    max-height: calc(100vh - 76px);
    min-height: calc(100vh - 76px);
    overflow-y: auto;
    display: none;
    padding: 24px max(18px, calc((100% - 884px) / 2));
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(4, 11, 24, 0.985);
  }
  .nav-panel.open { display: block; }
  .nav-links { display: grid; gap: 0; }
  .nav-links li { border-bottom: 1px solid rgba(255, 255, 255, 0.09); }
  .nav-links a { padding: 15px 2px; display: block; font-size: 15px; }
  .nav-links a::after { display: none; }
  .nav-cta { margin-top: 20px; min-height: 47px; display: flex; justify-content: center; }
  .hero { min-height: 760px; }
  .hero::before { background: linear-gradient(90deg, #040b18 0%, rgba(4, 11, 24, 0.97) 45%, rgba(4, 11, 24, 0.58) 100%), linear-gradient(0deg, rgba(4, 11, 24, 0.84), transparent 46%); }
  .hero-media { left: 10%; }
  .hero-shell { min-height: 760px; }
  .hero-copy-block { width: 78%; }
  .overview-grid,
  .participate-grid,
  .faq-layout { grid-template-columns: 1fr; }
  .overview-grid { gap: 38px; }
  .question-grid { grid-template-columns: 1fr; }
  .question-card { min-height: 0; }
  .question-no { margin-bottom: 35px; }
  .topic-board { grid-template-columns: 1fr; gap: 35px; }
  .speaker-grid { grid-template-columns: repeat(2, 1fr); }
  .policy-row { grid-template-columns: 1fr; }
  .committee-list { grid-template-columns: repeat(3, 1fr); }
  .faq-layout { gap: 30px; }
}

@media (max-width: 700px) {
  :root { --page: min(100% - 28px, 1200px); }
  html { scroll-padding-top: 78px; }
  .nav-shell { min-height: 68px; }
  .brand-copy strong { font-size: 12px; }
  .brand-signal { width: 38px; height: 38px; }
  .nav-panel { top: 68px; max-height: calc(100vh - 68px); min-height: calc(100vh - 68px); padding-inline: 20px; }
  .hero { min-height: 730px; }
  .hero::before { background: linear-gradient(90deg, rgba(4, 11, 24, 0.98), rgba(4, 11, 24, 0.84)), linear-gradient(0deg, rgba(4, 11, 24, 0.94), transparent 55%); }
  .hero-media { inset: 0; opacity: 0.58; }
  .hero-media img { object-position: 66% center; }
  .hero-shell { min-height: 730px; padding: 115px 0 92px; align-items: flex-start; }
  .hero-copy-block { width: 100%; }
  .hero-kicker { flex-wrap: wrap; gap: 8px; font-size: 10px; }
  .hero h1 { font-size: clamp(42px, 13.5vw, 62px); }
  .hero-subtitle { font-size: 18px; }
  .hero-intro { font-size: 14px; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .hero-scroll { display: none; }
  .fact-rail { margin-top: -22px; }
  .fact-shell { grid-template-columns: 1fr; }
  .fact { min-height: 112px; padding: 21px 23px; }
  .fact:nth-child(odd) { border-right: 0; }
  .fact:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .update-shell { display: grid; grid-template-columns: 10px minmax(0, 1fr); gap: 7px 12px; padding: 16px 18px; }
  .pulse { grid-column: 1; grid-row: 1; margin-top: 5px; }
  .update-shell time,
  .update-shell p,
  .update-shell a { grid-column: 2; }
  .update-shell p { min-width: 0; }
  .update-shell a { margin-left: 0; }
  .section { padding: 94px 0; }
  .section-head { margin-bottom: 44px; }
  .section-head.split-head { grid-template-columns: 1fr; gap: 18px; }
  .split-head > p { margin: 0; }
  .section h2 { font-size: clamp(34px, 10.5vw, 47px); }
  .lead-copy p { font-size: 16px; }
  .scope-card { padding: 25px; }
  .audience-strip { grid-template-columns: 1fr; gap: 12px; }
  .question-card { padding: 27px; }
  .question-no { margin-bottom: 38px; }
  .topic-board { margin-top: 64px; padding: 27px; }
  .topic-list { grid-template-columns: 1fr; }
  .topic-list article:nth-child(2) { border-top: 1px solid #d5e0e8; padding-top: 22px; }
  .speaker-grid { grid-template-columns: 1fr; }
  .speaker-card { min-height: 295px; padding: 25px; }
  .confirmed { top: 25px; right: 25px; }
  .program-flow { grid-template-columns: repeat(2, 1fr); }
  .call-card, .dates-card { padding: 28px; }
  .submission-grid { grid-template-columns: 1fr; }
  .organizer-grid { grid-template-columns: 1fr; }
  .organizer-card { min-height: 0; padding: 25px; }
  .committee-list { grid-template-columns: repeat(2, 1fr); }
  .committee summary small { display: none; }
  .faq-section { padding-top: 94px; }
  .footer-grid { grid-template-columns: 1fr; gap: 44px; }
  .footer-bottom { flex-direction: column; gap: 7px; }
}

@media (max-width: 560px) {
  .program-chair-entry { flex-direction: column; gap: 7px; }
  .committee-list { grid-template-columns: 1fr; }
  .committee-list li { padding: 14px 0; }
}

@media (max-width: 420px) {
  .brand-copy strong { max-width: 190px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .program-flow { grid-template-columns: 1fr; }
  .organizer-card { grid-template-columns: 64px minmax(0, 1fr); gap: 16px; }
  .organizer-photo { width: 64px; height: 64px; border-radius: 16px; }
  .committee-list { grid-template-columns: 1fr; }
}

@media (max-width: 380px) {
  .organizer-card { grid-template-columns: 1fr; gap: 16px; padding: 22px; }
  .organizer-photo { width: 76px; height: 76px; }
}

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