:root {
  --color-bg: #071A2B;
  --color-bg-secondary: #0B2638;
  --color-primary: #00AFC1;
  --color-accent: #49D6E8;
  --color-white: #FFFFFF;
  --color-light: #E8EEF2;
  --color-text-muted: #A8BAC5;
  --color-card: rgba(255, 255, 255, 0.05);
  --color-border: rgba(255, 255, 255, 0.12);
  --color-ink: #071A2B;
  --header-bg: rgba(7, 26, 43, 0.86);
  --nav-bg: rgba(7, 26, 43, 0.97);
  --glass-bg: rgba(7, 26, 43, 0.55);
  --stats-bg: rgba(11, 38, 56, 0.92);
  --control-bg: rgba(255, 255, 255, 0.04);
  --ghost-border: rgba(255, 255, 255, 0.28);
  --grid-line: rgba(255, 255, 255, 0.045);
  --surface-soft: rgba(255, 255, 255, 0.03);
  --surface-deep: rgba(7, 26, 43, 0.35);
  --surface-deep-2: rgba(7, 26, 43, 0.45);
  --footer-bg: #061421;
  --exhibit-a: #10283a;
  --exhibit-b: #0a2233;
  --exhibit-c: #0c3142;
  --exhibit-d: #123044;
  --exhibit-e: #0e2938;
  --map-bg: #081e2e;
  --map-label-bg: rgba(7, 26, 43, 0.85);
  --cta-bg: #071A2B;
  --register-bg: linear-gradient(160deg, #0d3144, #071A2B 60%);
  --program-fade: rgba(11, 38, 56, 0.35);
  --skyline: #04121d;
  --cat-index: rgba(73, 214, 232, 0.7);
  --theme-card-base: #0B2638;
  --theme-scrim-top: rgba(7, 26, 43, 0.18);
  --theme-scrim-mid: rgba(7, 26, 43, 0.78);
  --theme-scrim-bottom: rgba(11, 38, 56, 0.97);
  --font-sans: "Outfit", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --header-h: 76px;
  --radius: 20px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  --z-header: 40;
  --z-menu: 30;
  color-scheme: dark;
}

html[data-theme="light"] {
  --color-bg: #F3F7F8;
  --color-bg-secondary: #E6EEF1;
  --color-primary: #0097A8;
  --color-accent: #0B7382;
  --color-white: #071A2B;
  --color-light: #1C3342;
  --color-text-muted: #4A6472;
  --color-card: #FFFFFF;
  --color-border: rgba(7, 26, 43, 0.12);
  --header-bg: rgba(243, 247, 248, 0.92);
  --nav-bg: rgba(243, 247, 248, 0.98);
  --glass-bg: rgba(255, 255, 255, 0.82);
  --stats-bg: #FFFFFF;
  --control-bg: rgba(7, 26, 43, 0.04);
  --ghost-border: rgba(7, 26, 43, 0.22);
  --grid-line: rgba(7, 26, 43, 0.07);
  --surface-soft: rgba(7, 26, 43, 0.04);
  --surface-deep: rgba(255, 255, 255, 0.72);
  --surface-deep-2: #FFFFFF;
  --footer-bg: #E7F0F3;
  --exhibit-a: #D5E6EC;
  --exhibit-b: #E8F1F4;
  --exhibit-c: #D0E4EA;
  --exhibit-d: #C9DEE6;
  --exhibit-e: #D7E7ED;
  --map-bg: #E4EEF1;
  --map-label-bg: rgba(255, 255, 255, 0.92);
  --cta-bg: #E7F3F5;
  --register-bg: linear-gradient(160deg, #FFFFFF, #E7F3F5 60%);
  --program-fade: rgba(255, 255, 255, 0.72);
  --skyline: #9BB4C0;
  --cat-index: rgba(11, 115, 130, 0.75);
  --theme-card-base: #ffffff;
  --theme-scrim-top: rgba(255, 255, 255, 0.08);
  --theme-scrim-mid: rgba(255, 255, 255, 0.82);
  --theme-scrim-bottom: rgba(255, 255, 255, 0.98);
  --shadow: 0 18px 40px rgba(7, 26, 43, 0.08);
  color-scheme: light;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  margin: 0;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(0, 175, 193, 0.16), transparent 55%),
    var(--color-bg);
  color: var(--color-light);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

img,
svg {
  display: block;
}

button,
input {
  font: inherit;
}

a {
  color: inherit;
}

h1, h2, h3, p, ul, ol, dl, dd {
  margin: 0;
}

ul, ol {
  padding: 0;
  list-style: none;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

::selection {
  background: var(--color-primary);
  color: var(--color-ink);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: 12px;
  z-index: 80;
  transform: translateY(-140%);
  background: var(--color-accent);
  color: var(--color-ink);
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  transform: none;
}

.container {
  width: min(1160px, 100%);
  margin-inline: auto;
  padding-inline: 20px;
}

.section {
  position: relative;
  padding: 76px 0;
}

.kicker,
.eyebrow,
.panel-kicker,
.range-label,
.footer-label {
  margin: 0 0 12px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-head {
  max-width: 720px;
  margin-bottom: 36px;
}

h1, h2, h3, .display-title {
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--color-white);
}

h2, .display-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
  font-size: 1.2rem;
  line-height: 1.25;
}

.lead {
  margin-top: 16px;
  color: var(--color-light);
  font-size: 1.2rem;
  line-height: 1.5;
}

.body,
.theme-card p,
.session-note,
.award-card p,
.exhibit-card p,
.partner-note,
.pending-note,
.panel-note,
.footer-url {
  color: var(--color-text-muted);
}

.body {
  margin-top: 16px;
  max-width: 68ch;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-ink);
}

.btn-primary:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 175, 193, 0.28);
}

.btn-ghost {
  background: transparent;
  color: var(--color-white);
  border-color: var(--ghost-border);
}

.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.arrow {
  width: 18px;
  height: 18px;
  transition: transform 0.2s var(--ease);
}

.btn:hover .arrow {
  transform: translateX(4px);
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.tag-solid {
  border-color: transparent;
  background: rgba(0, 175, 193, 0.16);
}

.pending-note {
  margin-top: 12px;
  font-size: 0.92rem;
}

.pending-note[hidden] {
  display: none;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  height: var(--header-h);
  transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.site-header.is-scrolled {
  background: var(--header-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(16px);
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--color-white);
  text-decoration: none;
}

.brand-mark {
  width: 36px;
  height: 36px;
  flex: none;
  color: var(--color-accent);
}

.brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-line {
  font-size: 0.92rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.1;
}

.brand-sub {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-toggle {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--control-bg);
  color: var(--color-white);
  cursor: pointer;
}

.nav-toggle-lines,
.nav-toggle-lines::before,
.nav-toggle-lines::after {
  display: block;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  position: relative;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.nav-toggle-lines::before,
.nav-toggle-lines::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-lines::before { top: -6px; }
.nav-toggle-lines::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle-lines {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines::after {
  top: 0;
  transform: rotate(-45deg);
}

.site-nav {
  display: none;
}

.site-nav.is-open {
  display: flex;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: var(--z-menu);
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  background: var(--nav-bg);
  overflow: auto;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-list a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 8px;
  color: var(--color-light);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
}

.nav-list a:hover,
.nav-list a[aria-current="true"] {
  color: var(--color-white);
}

.nav-list a[aria-current="true"] {
  box-shadow: inset 0 -2px 0 var(--color-primary);
}

.nav-cta,
.header-cta {
  margin-top: 12px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  flex: none;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--control-bg);
  color: var(--color-white);
  cursor: pointer;
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

.theme-toggle .icon-moon { display: none; }

html[data-theme="light"] .theme-toggle .icon-sun { display: none; }
html[data-theme="light"] .theme-toggle .icon-moon { display: block; }

html[data-theme="light"] .swatch {
  box-shadow: inset 0 0 0 1px rgba(7, 26, 43, 0.16);
}

.header-cta {
  margin-top: 0;
  flex: none;
  min-height: 44px;
  padding-inline: 14px;
}

body.nav-open {
  overflow: hidden;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 28px) 0 88px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.gis-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(circle at 70% 40%, #000 0%, transparent 72%);
}

.topo {
  position: absolute;
  color: var(--color-accent);
  opacity: 0.28;
}

.topo-hero {
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-network {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--color-accent);
  opacity: 0.45;
}

.net-line {
  stroke-dasharray: 8 10;
  animation: dash 14s linear infinite;
}

.net-line-delay { animation-duration: 18s; }
.net-line-slow { animation-duration: 22s; opacity: 0.7; }

.radar {
  position: absolute;
  width: min(520px, 80vw);
  height: min(520px, 80vw);
  right: -80px;
  top: 12%;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0 78%, rgba(73, 214, 232, 0.18) 100%);
  mask-image: radial-gradient(circle, transparent 0 42%, #000 43% 100%);
  animation: spin 16s linear infinite;
  opacity: 0.8;
}

.skyline {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 140px;
  color: var(--skyline);
  opacity: 0.9;
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
}

.hero h1 {
  font-size: clamp(2.35rem, 9vw, 6.4rem);
  text-transform: uppercase;
  letter-spacing: -0.045em;
}

.slogan {
  margin-top: 18px;
  max-width: 22ch;
  color: var(--color-light);
  font-size: clamp(1.2rem, 2vw, 1.65rem);
  line-height: 1.35;
}

.hero-facts {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
}

.hero-facts li {
  display: grid;
  gap: 2px;
}

.fact-label,
.coord-foot,
.layer-head,
.timeline-time,
.stats-panel dt,
.venue-meta span,
.cat-index {
  font-family: var(--font-mono);
}

.fact-label {
  color: var(--color-accent);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.fact-value {
  font-size: 1.15rem;
  font-weight: 600;
}

.fact-note {
  color: var(--color-text-muted);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
}

.hero-actions .btn {
  width: 100%;
}

.countdown {
  margin-top: 28px;
}

.countdown-status {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  max-width: 420px;
}

.countdown-grid div {
  padding: 10px 8px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-card);
  text-align: center;
}

.countdown-grid span {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--color-white);
}

.countdown-grid small {
  color: var(--color-text-muted);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.glass {
  background: var(--glass-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-panels {
  display: grid;
  gap: 14px;
}

.coord-card,
.layer-card {
  padding: 18px;
}

.coord-place {
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.coord-sub {
  margin-top: 4px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.35;
}

.coord-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 8px;
  font-family: var(--font-mono);
  color: var(--color-accent);
}

.coord-foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-pill,
.status-concept {
  color: var(--color-accent);
}

.status-concept {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(73, 214, 232, 0.15);
}

.panel-note {
  margin-top: 12px;
  font-size: 0.82rem;
}

.layer-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.layer-head .panel-kicker {
  margin: 0;
}

.layer-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.layer-list li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.swatch {
  width: 18px;
  height: 8px;
  border-radius: 99px;
}

.swatch-1 { background: #49D6E8; }
.swatch-2 { background: #00AFC1; }
.swatch-3 { background: #7dcea0; }
.swatch-4 { background: #E8EEF2; }
.swatch-5 { background: #8aa4b5; }

/* Stats */
.stats {
  position: relative;
  z-index: 2;
  margin-top: -58px;
}

.stats-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 22px;
  background: var(--stats-bg);
  box-shadow: var(--shadow);
}

.stats-panel > div {
  padding: 22px 18px 18px;
  background:
    linear-gradient(var(--color-border), var(--color-border)) 0 0 / 100% 1px no-repeat,
    repeating-linear-gradient(90deg, transparent, transparent 15px, rgba(73, 214, 232, 0.35) 15px, rgba(73, 214, 232, 0.35) 16px);
  background-position: 18px 0, 18px 14px;
  background-repeat: no-repeat;
  background-size: calc(100% - 36px) 1px, 70px 8px;
}

.stats-panel dt {
  margin-top: 14px;
  color: var(--color-accent);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.stats-panel dd {
  margin: 6px 0 0;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--color-white);
}

.stats-panel p {
  margin-top: 8px;
  color: var(--color-text-muted);
}

/* Themes */
.theme-grid,
.speaker-grid,
.category-grid,
.award-grid,
.exhibit-grid {
  display: grid;
  gap: 14px;
}

.theme-card,
.speaker-card,
.category-card,
.award-card,
.session-block,
.timeline-card,
.workshop-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.theme-card {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 248px;
  padding: 18px;
  background: var(--theme-card-base);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.theme-photo {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 0.45s var(--ease);
}

.theme-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, var(--theme-scrim-top) 0%, var(--theme-scrim-mid) 38%, var(--theme-scrim-bottom) 58%);
  pointer-events: none;
}

.theme-card > :not(.theme-photo) {
  position: relative;
  z-index: 2;
}

.theme-card:hover .theme-photo {
  transform: scale(1.07);
}

.theme-card:hover,
.speaker-card:hover,
.category-card:hover,
.award-card:hover,
.exhibit-card:hover {
  transform: translateY(-4px);
  border-color: rgba(73, 214, 232, 0.45);
}

.theme-icon {
  width: 40px;
  height: 40px;
  margin-bottom: auto;
  padding: 8px;
  border-radius: 12px;
  background: var(--theme-card-base);
  background: color-mix(in srgb, var(--theme-card-base) 82%, transparent);
  box-shadow: 0 0 0 1px var(--color-border);
  backdrop-filter: blur(8px);
  color: var(--color-accent);
}

.theme-card p,
.category-card p {
  margin-top: 8px;
}

/* Program */
.program {
  padding: 48px 0;
  background:
    linear-gradient(180deg, var(--program-fade), transparent 120px),
    transparent;
}

.program .section-head {
  position: relative;
  z-index: 4;
  margin-bottom: 16px;
}

.program .section-head .lead {
  margin-top: 8px;
  font-size: 1.05rem;
}

.print-only {
  display: none;
}

.program-share {
  position: relative;
  margin-top: 14px;
}

.program-share-btn svg {
  width: 18px;
  height: 18px;
}

.program-share-menu {
  position: absolute;
  z-index: 5;
  top: calc(100% + 6px);
  left: 0;
  min-width: 220px;
  padding: 6px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: #0B2638;
  background: var(--color-bg);
  box-shadow: var(--shadow);
}

.program-share-menu[hidden] {
  display: none;
}

.program-share-menu button {
  display: block;
  width: 100%;
  min-height: 44px;
  padding: 8px 12px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--color-white);
  text-align: left;
  cursor: pointer;
}

.program-share-menu button:hover,
.program-share-menu button:focus-visible {
  background: var(--control-bg);
}

.program-share-status {
  margin: 2px 12px 8px;
  color: var(--color-accent);
  font-size: 0.85rem;
}

.program h2 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
}

.program-range {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--surface-soft);
}

.range-time,
.workshop-time time {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.range-rule {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.timeline {
  display: grid;
  gap: 6px;
}

.timeline-card {
  display: grid;
  gap: 2px;
  padding: 10px 12px;
  border-radius: 14px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}

.timeline-card h3 {
  font-size: 1.02rem;
  line-height: 1.3;
}

.timeline-card.is-open,
.timeline-card:hover {
  border-color: rgba(73, 214, 232, 0.5);
  box-shadow: 0 0 0 1px rgba(0, 175, 193, 0.18), 0 12px 30px rgba(0, 0, 0, 0.18);
}

.timeline-time {
  color: var(--color-accent);
  font-size: 0.84rem;
  font-variant-numeric: tabular-nums;
}

.timeline-top {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  align-items: flex-start;
  justify-content: space-between;
}

.timeline-speaker {
  margin-top: 2px;
  color: var(--color-light);
  font-size: 0.92rem;
}

.timeline-speakers {
  display: grid;
  gap: 6px;
  margin-top: 10px;
}

.timeline .timeline-speakers {
  display: grid;
  gap: 4px;
  margin-top: 6px;
}

.timeline-speakers li {
  color: var(--color-light);
  font-size: 0.98rem;
  padding-left: 14px;
  position: relative;
}

.timeline .timeline-speakers li {
  font-size: 0.88rem;
  line-height: 1.35;
  padding-left: 12px;
}

.timeline-speakers li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

.timeline-extra {
  display: block;
  margin-top: 4px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.timeline-toggle {
  display: none;
}

.timeline-item-quiet .timeline-card {
  background: transparent;
}

.workshop-card {
  display: grid;
  gap: 4px;
  margin-top: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  background:
    linear-gradient(180deg, rgba(0, 175, 193, 0.12), rgba(255, 255, 255, 0.03));
  border-color: rgba(0, 175, 193, 0.35);
}

.workshop-card p {
  margin-top: 2px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.workshop-card .btn {
  margin-top: 8px;
}

/* Speakers */
.speaker-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 22px;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.avatar {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin-bottom: 8px;
  border-radius: 50%;
  font-weight: 650;
  letter-spacing: 0.04em;
  color: var(--color-ink);
}

.avatar svg {
  width: 34px;
  height: 34px;
  color: var(--color-ink);
}

.avatar-fa { background: linear-gradient(145deg, #7ec8d4, #2a7f8f); }
.avatar-mp { background: linear-gradient(145deg, #49D6E8, #00AFC1); }
.avatar-ey { background: linear-gradient(145deg, #5bb8c4, #1f6b78); }
.avatar-dk { background: linear-gradient(145deg, #E8EEF2, #7fb9c4); }
.avatar-hm { background: linear-gradient(145deg, #c9e4c5, #3d7a62); }
.avatar-esri { background: linear-gradient(145deg, #9ae7f2, #168ea0); }
.avatar-dkk { background: linear-gradient(145deg, #9ae7f2, #168ea0); }
.avatar-sk { background: linear-gradient(145deg, #7ec8e3, #1a6f8a); }
.avatar-us { background: linear-gradient(145deg, #b7efe4, #1f8a78); }

.speaker-org {
  color: var(--color-accent);
  font-size: 0.92rem;
}

.speaker-topic {
  color: var(--color-text-muted);
}

.sessions {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.session-block {
  padding: 22px;
}

.session-note {
  margin: 10px 0 16px;
}

.topic-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.topic-list li {
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--surface-soft);
}

/* Ideathon */
.ideathon {
  background: var(--color-bg-secondary);
  overflow: hidden;
}

.ideathon-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.topo-flow {
  width: 100%;
  height: 100%;
  color: var(--color-accent);
  opacity: 0.18;
}

.ideathon-facts {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.ideathon-facts li {
  padding: 14px 16px;
  border-left: 2px solid var(--color-primary);
  background: var(--surface-deep);
}

.category-card {
  position: relative;
  padding: 20px;
  background: var(--surface-deep-2);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.cat-index {
  position: absolute;
  top: 16px;
  right: 16px;
  color: var(--cat-index);
  font-size: 0.78rem;
}

.award-grid {
  margin-top: 16px;
}

.award-card {
  padding: 22px;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.award-card h3,
.award-card p,
.award-card .topic-list {
  margin-top: 10px;
}

.award-card .track-label {
  color: var(--color-accent);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.award-disclaimer {
  margin-top: 14px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.ideathon-cta {
  display: grid;
  gap: 18px;
  margin-top: 28px;
  padding: 24px;
  border-radius: 24px;
  background:
    radial-gradient(500px 180px at 100% 0%, rgba(73, 214, 232, 0.18), transparent 60%),
    var(--cta-bg);
  border: 1px solid var(--color-border);
}

.ideathon-cta h3 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.ideathon-cta p {
  margin-top: 8px;
  color: var(--color-text-muted);
}

/* Exhibit */
.exhibit-card {
  position: relative;
  min-height: 240px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 22px;
  background: var(--exhibit-b);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.exhibit-card svg {
  width: 100%;
  height: 150px;
  color: var(--color-accent);
  opacity: 0.8;
}

.exhibit-card div {
  padding: 0 18px 18px;
}

.exhibit-card p {
  margin-top: 6px;
}

.exhibit-historic { background: linear-gradient(180deg, var(--exhibit-a), var(--exhibit-b)); }
.exhibit-live { background: linear-gradient(180deg, var(--exhibit-c), var(--exhibit-b)); }
.exhibit-poster { background: linear-gradient(180deg, var(--exhibit-d), var(--exhibit-b)); }
.exhibit-stands { background: linear-gradient(180deg, var(--exhibit-e), var(--exhibit-b)); }

/* Partners */
.display-title {
  max-width: 12ch;
}

.partner-row {
  display: grid;
  gap: 18px;
  margin-top: 32px;
}

.partner-row li:not(.partner-cross) {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: clamp(1.3rem, 2vw, 1.8rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.monogram {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  flex: none;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  background: var(--color-card);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.partner-cross {
  display: none;
  color: var(--color-primary);
  font-size: 1.4rem;
}

.partner-note {
  margin-top: 18px;
  max-width: 62ch;
  font-size: 0.92rem;
}

/* Charter */
.charter {
  padding: 0 0 20px;
}

.charter-panel {
  padding: 32px 24px;
  border-radius: 28px;
  background:
    radial-gradient(400px 160px at 0% 100%, rgba(0, 175, 193, 0.16), transparent 70%),
    var(--color-bg-secondary);
  border: 1px solid var(--color-border);
}

.charter-panel .lead {
  max-width: 40ch;
}

.charter-panel .tag {
  margin-top: 18px;
}

/* Venue */
.venue-layout {
  display: grid;
  gap: 24px;
}

.venue-place {
  margin-top: 12px;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.venue-meta {
  display: grid;
  gap: 10px;
  margin: 22px 0;
}

.venue-meta li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.venue-meta span {
  color: var(--color-text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.venue-map {
  position: relative;
  min-height: 280px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 28px;
  background:
    radial-gradient(300px 180px at 40% 50%, rgba(0, 175, 193, 0.12), transparent 70%),
    var(--map-bg);
  color: var(--color-accent);
}

.venue-map svg,
.venue-map iframe {
  width: 100%;
  height: 100%;
  min-height: 320px;
  display: block;
  border: 0;
}
.venue-map iframe {
  min-height: 360px;
  aspect-ratio: 4 / 3;
}

.map-label {
  position: absolute;
  left: 16px;
  bottom: 16px;
  margin: 0;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--map-label-bg);
  border: 1px solid var(--color-border);
  font-size: 0.92rem;
}

/* Register */
.register {
  padding: 20px 0 80px;
}

.register-panel {
  padding: 42px 22px;
  border-radius: 32px;
  text-align: left;
  background:
    radial-gradient(500px 220px at 90% 0%, rgba(73, 214, 232, 0.2), transparent 60%),
    var(--register-bg);
  border: 1px solid rgba(73, 214, 232, 0.25);
  box-shadow: var(--shadow);
}

.register-panel h2 {
  max-width: 14ch;
}

/* Footer */
.site-footer {
  padding: 36px 0 20px;
  border-top: 1px solid var(--color-border);
  background: var(--footer-bg);
}

.footer-grid {
  display: grid;
  gap: 28px;
}

.footer-brand {
  color: var(--color-white);
  font-size: 1.25rem;
  font-weight: 650;
  letter-spacing: -0.03em;
}

.footer-orgs,
.footer-nav {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.footer-nav a,
.site-footer a {
  color: var(--color-light);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  animation: rise 0.7s var(--ease) forwards;
  animation-play-state: paused;
}

.js .reveal.is-visible {
  animation-play-state: running;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes dash {
  to { stroke-dashoffset: -240; }
}

@media (min-width: 576px) {
  .hero-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .hero-actions .btn {
    width: auto;
  }

  .hero-facts {
    grid-template-columns: 1fr 1fr;
  }

  .ideathon-facts {
    grid-template-columns: 1fr 1fr;
  }

  .category-grid,
  .exhibit-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 768px) {
  .container { padding-inline: 32px; }
  .section { padding: 96px 0; }

  .stats-panel { grid-template-columns: repeat(4, 1fr); }

  .theme-grid { grid-template-columns: 1fr 1fr; }
  .speaker-grid { grid-template-columns: 1fr 1fr; }
  .sessions { grid-template-columns: 1fr 1fr; }
  .award-grid { grid-template-columns: 1fr 1fr; }

  .timeline-extra { display: none; }
  .timeline-card.is-open .timeline-extra { display: block; }

  .timeline-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 2px;
    padding: 0;
    border: 0;
    background: none;
    color: var(--color-accent);
    cursor: pointer;
    min-height: 32px;
    font-size: 0.88rem;
  }

  .timeline-toggle svg {
    width: 16px;
    height: 16px;
    transition: transform 0.2s var(--ease);
  }

  .timeline-card.is-open .timeline-toggle svg {
    transform: rotate(180deg);
  }

  .timeline {
    position: relative;
  }

  .program.section { padding: 56px 0; }

  .timeline::before {
    content: "";
    position: absolute;
    top: 6px;
    bottom: 6px;
    left: 132px;
    width: 1px;
    background: linear-gradient(var(--color-primary), rgba(0, 175, 193, 0.05));
  }

  .timeline-card {
    grid-template-columns: 112px 1fr;
    column-gap: 20px;
    align-items: center;
    cursor: default;
  }

  .timeline-card:has(.timeline-toggle) {
    cursor: pointer;
  }

  .timeline-card::before {
    content: "";
    position: absolute;
    width: 9px;
    height: 9px;
    left: 128px;
    top: 50%;
    margin-top: -5px;
    border-radius: 50%;
    background: var(--color-bg);
    border: 2px solid var(--color-primary);
  }

  .timeline-item { position: relative; }
  .timeline-card { position: relative; }

  .program-range {
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
  }

  .range-rule { width: 72px; height: 1px; }

  .workshop-card {
    grid-template-columns: 148px 1fr;
    align-items: center;
  }

  .partner-row {
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: center;
  }

  .partner-cross { display: block; }

  .venue-layout,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid { grid-template-columns: 1.3fr 0.8fr 0.7fr; }

  .ideathon-cta {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (min-width: 992px) {
  .nav-toggle { display: none; }

  .site-nav {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .nav-list {
    flex-direction: row;
    gap: 2px;
  }

  .nav-list a {
    min-height: 44px;
    padding: 0 12px;
    border-radius: 999px;
  }

  .nav-list a[aria-current="true"] {
    box-shadow: none;
    background: rgba(0, 175, 193, 0.12);
    color: var(--color-accent);
  }

  .nav-cta { margin-top: 0; }
  .header-cta { display: none; }

  .hero-layout {
    grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
    align-items: end;
    gap: 40px;
  }

  .theme-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .theme-card { grid-column: span 2; }
  .theme-card:nth-child(4),
  .theme-card:nth-child(5) { grid-column: span 3; }

  .speaker-grid { grid-template-columns: repeat(2, 1fr); }

  .category-grid { grid-template-columns: repeat(6, 1fr); }
  .category-card { grid-column: span 2; }
  .category-card:nth-child(4),
  .category-card:nth-child(5) { grid-column: span 3; }

  .venue-layout { grid-template-columns: 0.9fr 1.1fr; align-items: center; }
  .register-panel { padding: 64px; }
}

@media (min-width: 1200px) {
  .speaker-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
  .category-grid { grid-template-columns: repeat(5, 1fr); }
  .category-card,
  .category-card:nth-child(4),
  .category-card:nth-child(5) { grid-column: auto; }
}

@media (max-width: 380px) {
  .brand-sub { display: none; }
  .brand-line { font-size: 0.78rem; letter-spacing: 0.08em; }
  .nav-cta { padding-inline: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}

.session-speakers{
  margin: 0.75rem 0 1.25rem;
  padding: 0;
  list-style: none;
}
.session-speakers li{
  margin: 0.25rem 0;
  color: var(--text-muted, #5a6b7a);
  font-size: 0.95rem;
}

@media print {
  @page {
    size: A4;
    margin: 12mm 14mm;
  }

  body.export-program {
    background: #fff !important;
    color: #2c4550 !important;
    font-family: Outfit, "Segoe UI", sans-serif !important;
    font-size: 10pt;
    line-height: 1.35;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  body.export-program .skip-link,
  body.export-program header,
  body.export-program footer,
  body.export-program main > section:not(#program),
  body.export-program .program-share,
  body.export-program .kicker,
  body.export-program .program h2,
  body.export-program .lead,
  body.export-program .tag,
  body.export-program .timeline-toggle,
  body.export-program .timeline-extra,
  body.export-program .timeline::before,
  body.export-program .timeline-card::before,
  body.export-program .range-rule,
  body.export-program .workshop-card .tag,
  body.export-program .workshop-card .btn,
  body.export-program .workshop-card .pending-note,
  body.export-program .workshop-card h3 {
    display: none !important;
  }

  body.export-program .print-only {
    display: block;
  }

  body.export-program .reveal,
  body.export-program .js .reveal {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }

  body.export-program .container {
    width: 100%;
    max-width: none;
    padding: 0;
  }

  body.export-program .program,
  body.export-program .program .section-head {
    padding: 0 !important;
    margin: 0 !important;
    background: none !important;
  }

  body.export-program .print-doc-head {
    margin: 0 0 4mm;
    padding: 3.5mm 4mm 3mm;
    border: 0;
    border-radius: 2mm;
    background: #e7f4f6 !important;
    text-align: center;
    color: #2c4550 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  body.export-program .print-orgs,
  body.export-program .print-doc-title,
  body.export-program .print-doc-sub,
  body.export-program .print-meta,
  body.export-program .print-approval {
    margin: 0;
    color: #2c4550 !important;
  }

  body.export-program .print-orgs {
    color: #1d7a88 !important;
    font-size: 8pt;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  body.export-program .print-doc-title {
    margin-top: 1mm;
    font-size: 16pt;
    font-weight: 650;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }

  body.export-program .print-doc-sub {
    color: #1d7a88 !important;
    font-size: 11pt;
    font-weight: 600;
  }

  body.export-program .print-meta {
    margin-top: 1mm;
    color: #4e6874 !important;
    font-size: 9.5pt;
  }

  body.export-program .print-approval {
    margin-top: 0.6mm;
    color: #6a8490 !important;
    font-size: 8.5pt;
    font-style: italic;
  }

  body.export-program .program-range {
    display: flex;
    gap: 3mm;
    margin: 0 0 3mm;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: none !important;
    box-shadow: none !important;
  }

  body.export-program .program-range > div {
    flex: 1;
    padding: 2mm 3mm;
    border-radius: 1.6mm;
    background: #f4fafb !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  body.export-program .range-label,
  body.export-program .range-time,
  body.export-program .workshop-time time {
    margin: 0;
    color: #2c4550 !important;
    font-size: 10pt;
    font-weight: 650;
  }

  body.export-program .range-label {
    color: #1d7a88 !important;
    font-size: 7.5pt;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  body.export-program .timeline {
    display: grid;
    margin: 0;
    gap: 1.4mm;
  }

  body.export-program .timeline-item {
    break-inside: avoid;
  }

  body.export-program .timeline-card {
    display: grid !important;
    grid-template-columns: 30mm 1fr;
    column-gap: 3.5mm;
    align-items: start;
    margin: 0;
    padding: 2mm 2.5mm;
    border: 0 !important;
    border-left: 2pt solid #c5dde4 !important;
    border-radius: 1.6mm;
    background: #f7fbfc !important;
    box-shadow: none !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  body.export-program .timeline-time,
  body.export-program .timeline-time time {
    color: #1d7a88 !important;
    font-family: Outfit, "Segoe UI", sans-serif !important;
    font-size: 9.5pt;
    font-weight: 650;
    white-space: nowrap;
  }

  body.export-program .timeline-content,
  body.export-program .timeline-top,
  body.export-program .timeline-card h3,
  body.export-program .timeline-speaker,
  body.export-program .timeline .timeline-speakers {
    display: block;
  }

  body.export-program .timeline-card h3 {
    margin: 0;
    color: #243b46 !important;
    font-size: 10.5pt;
    font-weight: 650;
    letter-spacing: 0;
    line-height: 1.3;
  }

  body.export-program .timeline-speaker,
  body.export-program .timeline .timeline-speakers {
    margin: 0.5mm 0 0;
    color: #5c7480 !important;
    font-size: 9pt;
    font-weight: 400;
  }

  body.export-program .timeline-speaker::before,
  body.export-program .timeline .timeline-speakers::before {
    content: none;
  }

  body.export-program .timeline .timeline-speakers li {
    display: inline;
    padding: 0;
    color: #5d7380 !important;
    font-size: 9.5pt;
  }

  body.export-program .timeline .timeline-speakers li::before {
    content: "";
    display: none;
  }

  body.export-program .timeline .timeline-speakers li + li::before {
    content: ", ";
    display: inline;
    position: static;
    width: auto;
    height: auto;
    margin: 0;
    background: none;
    border-radius: 0;
  }

  body.export-program .workshop-card {
    display: block;
    margin: 2.5mm 0 0;
    padding: 2.2mm 2.5mm;
    border: 0 !important;
    border-left: 2pt solid #7eb8c6 !important;
    border-radius: 1.6mm;
    background: #e7f4f6 !important;
    box-shadow: none !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  body.export-program .workshop-time,
  body.export-program .workshop-body,
  body.export-program .workshop-card p {
    display: inline;
  }

  body.export-program .workshop-card p,
  body.export-program .workshop-time time {
    margin: 0;
    color: #2f4652 !important;
    font-size: 9.5pt;
  }

  body.export-program .workshop-card p::before {
    content: " ";
  }

  body.export-program .timeline-card.is-break {
    background: #f3f7f2 !important;
    border-left-color: #b7cfc0 !important;
  }

  body.export-program .timeline-card.is-break h3,
  body.export-program .timeline-card.is-break .timeline-time,
  body.export-program .timeline-card.is-break .timeline-time time {
    font-weight: 500 !important;
  }

  body.export-program .timeline-card.is-session {
    background: #e5f3f6 !important;
    border-left-color: #5aa8b8 !important;
  }
}