:root {
  color-scheme: light;
  --ink: #10151d;
  --muted: #5a6675;
  --line: #dce4e8;
  --paper: #f7faf9;
  --white: #ffffff;
  --deep: #071018;
  --cyan: #25b7c6;
  --teal: #128f82;
  --amber: #e8a93a;
  --coral: #d9614c;
  --shadow: 0 24px 70px rgba(16, 21, 29, 0.14);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
}

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

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 0 40px;
  color: #fff;
  transition:
    background 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(247, 250, 249, 0.92);
  color: var(--ink);
  box-shadow: 0 12px 36px rgba(16, 21, 29, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, var(--cyan), var(--amber)),
    radial-gradient(circle at 70% 30%, #fff 0 10%, transparent 11%);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2) inset;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.93rem;
  font-weight: 700;
}

.site-nav a {
  padding: 10px 12px;
  border-radius: 8px;
}

.site-nav a:hover {
  background: rgba(255, 255, 255, 0.16);
}

.site-header.is-scrolled .site-nav a:hover {
  background: #e8efef;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.14);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  color: #fff;
}

.hero-media,
.hero-media img,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(7, 16, 24, 0.92), rgba(7, 16, 24, 0.62) 44%, rgba(7, 16, 24, 0.2)),
    linear-gradient(180deg, rgba(7, 16, 24, 0.18), rgba(7, 16, 24, 0.78));
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 128px 0 64px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(3.4rem, 9vw, 7.1rem);
  line-height: 0.94;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 680px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 850;
}

.button-primary {
  background: var(--amber);
  color: #1f1606;
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.38);
  color: #fff;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 760px;
  margin: 58px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.hero-facts div {
  padding: 20px 22px 0 0;
}

.hero-facts dt {
  color: rgba(255, 255, 255, 0.54);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.hero-facts dd {
  margin: 4px 0 0;
  font-size: 1.05rem;
  font-weight: 850;
}

.section {
  padding: 96px 0;
}

.compact-section {
  padding: 34px 0 96px;
}

.section-light {
  background: #edf4f2;
}

.section-dark {
  background: var(--deep);
  color: #fff;
}

.section-inner {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.intro-grid,
.two-column,
.venue-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 72px;
  align-items: start;
}

.intro {
  border-bottom: 1px solid var(--line);
}

.intro p:last-child,
.venue p {
  margin: 0;
  color: var(--muted);
  font-size: 1.15rem;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1;
  letter-spacing: 0;
}

.section-heading.narrow {
  max-width: 760px;
  margin-bottom: 42px;
}

.content-stack p {
  margin: 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.quick-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.quick-facts div {
  min-height: 112px;
  padding: 22px;
  border-right: 1px solid var(--line);
}

.quick-facts div:last-child {
  border-right: 0;
}

.quick-facts span,
.listing-box dt {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.quick-facts strong {
  display: block;
  margin-top: 10px;
  font-size: 1.08rem;
  line-height: 1.22;
}

.notice {
  margin-top: 24px;
  padding: 18px 20px;
  border: 1px solid #cbd9d8;
  border-left: 5px solid var(--teal);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
}

.dates-table {
  width: 100%;
  margin-top: 22px;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid #cbd9d8;
  border-radius: 8px;
  background: #fff;
}

.dates-table caption {
  margin-bottom: 10px;
  color: var(--ink);
  font-weight: 900;
  text-align: left;
}

.dates-table th,
.dates-table td {
  padding: 13px 16px;
  border-bottom: 1px solid #dce4e8;
  text-align: left;
  vertical-align: top;
}

.dates-table tr:last-child th,
.dates-table tr:last-child td {
  border-bottom: 0;
}

.dates-table th {
  width: 52%;
  color: var(--ink);
  font-weight: 850;
}

.dates-table td {
  color: var(--muted);
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.metric-row div,
.topic-grid article,
.person,
.venue-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 48px rgba(16, 21, 29, 0.06);
}

.metric-row div {
  padding: 18px;
}

.metric-row span {
  display: block;
  color: var(--coral);
  font-size: 2rem;
  font-weight: 900;
}

.metric-row p {
  margin: 2px 0 0;
  font-size: 0.9rem;
}

.topic-grid,
.organizer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.topic-grid article,
.person {
  padding: 24px;
}

.topic-grid h3,
.person h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.topic-grid p,
.person p {
  margin: 0;
  color: var(--muted);
}

.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.timeline li {
  position: relative;
  padding: 0 0 28px 54px;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.timeline li::before {
  counter-increment: steps;
  content: counter(steps);
  position: absolute;
  left: -20px;
  top: 0;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--cyan);
  color: #031012;
  font-weight: 900;
}

.timeline span {
  display: block;
  font-size: 1.1rem;
  font-weight: 900;
}

.timeline p {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.person a,
.venue-panel a,
.site-footer a {
  display: inline-flex;
  margin-top: 14px;
  color: #087d82;
  font-weight: 850;
}

.venue-panel {
  padding: 28px;
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    linear-gradient(145deg, rgba(37, 183, 198, 0.08), rgba(232, 169, 58, 0.14)),
    #fff;
}

.venue-panel span {
  color: var(--coral);
  font-weight: 900;
}

.venue-panel strong {
  display: block;
  max-width: 420px;
  margin-top: 10px;
  font-size: 2rem;
  line-height: 1.05;
}

.official-listing {
  padding-top: 0;
}

.listing-box {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 48px rgba(16, 21, 29, 0.06);
}

.listing-box h3 {
  margin: 0 0 6px;
  font-size: 1.6rem;
}

.listing-box p {
  margin: 0 0 22px;
  color: var(--muted);
}

.listing-box dl,
.listing-box dd {
  margin: 0;
}

.listing-box div {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 18px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.listing-box a {
  color: #087d82;
  font-weight: 850;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 40px;
  border-top: 1px solid var(--line);
  background: #fff;
}

.site-footer p {
  margin: 4px 0 0;
  color: var(--muted);
}

@media (max-width: 860px) {
  .site-header {
    min-height: 64px;
    padding: 0 20px;
  }

  .nav-toggle {
    display: block;
    color: currentColor;
  }

  .site-nav {
    position: absolute;
    top: 64px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    border-radius: 8px;
    background: rgba(247, 250, 249, 0.96);
    color: var(--ink);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .hero {
    min-height: 780px;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(7, 16, 24, 0.84), rgba(7, 16, 24, 0.54) 58%, rgba(7, 16, 24, 0.9)),
      linear-gradient(90deg, rgba(7, 16, 24, 0.82), rgba(7, 16, 24, 0.34));
  }

  .hero-content {
    width: min(100% - 32px, 680px);
    padding-top: 96px;
  }

  .hero h1 {
    font-size: clamp(3rem, 15vw, 5.4rem);
  }

  .hero-facts,
  .quick-facts,
  .intro-grid,
  .two-column,
  .venue-grid,
  .topic-grid,
  .organizer-grid,
  .metric-row {
    grid-template-columns: 1fr;
  }

  .hero-facts {
    gap: 10px;
  }

  .hero-facts div {
    padding-top: 14px;
  }

  .quick-facts div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .quick-facts div:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 72px 0;
  }

  .compact-section {
    padding: 28px 0 72px;
  }

  .intro-grid,
  .two-column,
  .venue-grid {
    gap: 28px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 28px 20px;
  }
}

@media (max-width: 520px) {
  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section-inner {
    width: min(100% - 32px, 1120px);
  }

  .venue-panel strong {
    font-size: 1.5rem;
  }

  .listing-box div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}