:root {
  --bg: #ffffff;
  --text: #132033;
  --muted-text: #5d6a7d;
  --soft: #f4f7fb;
  --soft-2: #e8eef7;
  --line: #dbe3ef;
  --primary: #10233f;
  --primary-2: #174c7f;
  --accent: #28b3a7;
  --card: #ffffff;
  --shadow: 0 18px 55px rgba(16, 35, 63, 0.14);
  --radius: 22px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  padding: 10px 14px;
  background: var(--primary);
  color: white;
  border-radius: 10px;
  z-index: 99;
}

.skip-link:focus {
  left: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(219, 227, 239, 0.8);
}

.nav {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand img {
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted-text);
  font-size: 0.94rem;
  font-weight: 650;
}

.nav-links a:hover {
  color: var(--primary-2);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: white;
  border-radius: 12px;
  padding: 9px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--primary);
  margin: 5px 0;
  border-radius: 99px;
}

.hero {
  position: relative;
  min-height: 680px;
  display: grid;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 10% 10%, rgba(40, 179, 167, 0.22), transparent 26%),
    linear-gradient(135deg, #f9fbff 0%, #eef5ff 58%, #ffffff 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(16, 35, 63, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 35, 63, 0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: center;
  padding: 84px 0 72px;
}

.conference-logo-wrap {
  display: inline-flex;
  align-items: center;
  max-width: min(100%, 460px);
  margin-bottom: 22px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(219, 227, 239, 0.92);
  border-radius: 18px;
  box-shadow: 0 12px 32px rgba(16, 35, 63, 0.08);
}

.conference-logo {
  display: block;
  max-width: 100%;
  height: auto;
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  color: var(--primary-2);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(2.35rem, 6vw, 5rem);
  line-height: 0.96;
  letter-spacing: -0.065em;
  color: var(--primary);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(1.75rem, 3vw, 2.85rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
  color: var(--primary);
}

h3 {
  margin-bottom: 8px;
  font-size: 1.12rem;
  line-height: 1.2;
}

.lead {
  max-width: 860px;
  color: var(--muted-text);
  font-size: clamp(1.08rem, 2.2vw, 1.32rem);
}

.note {
  color: var(--muted-text);
  font-weight: 650;
  margin-top: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 12px 28px rgba(16, 35, 63, 0.24);
}

.button.secondary {
  background: white;
  color: var(--primary);
  border-color: var(--line);
}

.hero-card {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(219, 227, 239, 0.92);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.card-line {
  display: grid;
  grid-template-columns: 94px 1fr;
  gap: 16px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.card-line:last-child {
  border-bottom: 0;
}

.metric {
  color: var(--primary-2);
  font-weight: 900;
  font-size: 1.35rem;
  letter-spacing: -0.04em;
}

.section {
  padding: 86px 0;
}

.section.muted {
  background: var(--soft);
}

.two-col {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 56px;
}

.content {
  color: var(--muted-text);
  font-size: 1.04rem;
}

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

.topic-grid,
.people-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.topic-grid article,
.people-grid article,
.person-card,
.placeholder,
.program-list,
.status-box,
.chairs > div {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
}

.topic-grid article {
  min-height: 132px;
  font-weight: 680;
  color: var(--text);
}

.status-box {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
  color: var(--text);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.timeline-item {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
}

.timeline-item time {
  display: block;
  color: var(--primary-2);
  font-size: 1.28rem;
  font-weight: 900;
  letter-spacing: -0.035em;
  margin-bottom: 8px;
}

.timeline-item span {
  color: var(--muted-text);
  font-weight: 700;
}

.person-card.featured {
  border-color: rgba(40, 179, 167, 0.42);
  box-shadow: 0 16px 48px rgba(16, 35, 63, 0.08);
}

.pill {
  display: inline-flex;
  margin-top: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(40, 179, 167, 0.12);
  color: #08756d;
  font-weight: 800;
  font-size: 0.85rem;
}

.placeholder {
  background:
    linear-gradient(135deg, rgba(40, 179, 167, 0.08), transparent),
    white;
}

.program-list {
  display: grid;
  gap: 0;
  padding: 0;
  overflow: hidden;
}

.program-list div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.program-list div:last-child {
  border-bottom: 0;
}

.program-list span {
  color: var(--muted-text);
  text-align: right;
}

.people-grid article strong,
.people-grid article span {
  display: block;
}

.people-grid article span {
  color: var(--muted-text);
  margin-top: 7px;
}

.chairs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}

.chairs p {
  color: var(--muted-text);
  margin-bottom: 0;
}

.committee-list {
  column-count: 2;
  column-gap: 36px;
  margin-top: 28px;
}

.committee-list span {
  display: block;
  break-inside: avoid;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted-text);
}

.final-cta {
  background: var(--primary);
  color: white;
  text-align: center;
}

.final-cta h2,
.final-cta p {
  color: white;
}

.final-cta p {
  color: rgba(255, 255, 255, 0.78);
}

.final-cta .button.primary {
  background: white;
  color: var(--primary);
}

.supporters-band {
  max-width: 760px;
  margin: 34px auto 28px;
  padding: 28px 32px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.supporters-band img {
  display: block;
  max-width: 100%;
  max-height: 110px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.site-footer {
  padding: 24px 0;
  color: var(--muted-text);
  background: #07101f;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.92rem;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-block;
  }

  .nav-links {
    position: fixed;
    inset: 72px 16px auto 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    background: white;
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 13px 14px;
    border-radius: 12px;
  }

  .nav-links a:hover {
    background: var(--soft);
  }

  .hero {
    min-height: auto;
  }

  .hero-grid,
  .two-col {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 26px;
    padding-top: 58px;
  }

  .section {
    padding: 62px 0;
  }

  .topic-grid,
  .people-grid,
  .timeline,
  .chairs {
    grid-template-columns: 1fr;
  }

  .committee-list {
    column-count: 1;
  }

  .program-list div {
    display: grid;
  }

  .program-list span {
    text-align: left;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 24px, var(--container));
  }

  .nav {
    height: 66px;
  }

  .brand span {
    font-size: 0.96rem;
  }

  .nav-links {
    inset-top: 66px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .card-line {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .footer-inner {
    flex-direction: column;
  }
}