
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --ink: #101a2b;
  --navy: #14233b;
  --blue: #2459d3;
  --blue-light: #dfe8ff;
  --cream: #f7f7f3;
  --white: #fff;
  --muted: #657083;
  --line: #dce0e6;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

h1, h2, h3, .brand {
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: -.055em;
  line-height: 1.06;
}

em { font-style: normal; color: var(--blue); }

.eyebrow, .mini-label {
  font-size: 11px;
  letter-spacing: .16em;
  font-weight: 700;
}

.announcement-bar {
  background: var(--blue);
  color: white;
  padding: 10px 5%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-size: 10px;
  letter-spacing: .09em;
  font-weight: 700;
}

.announcement-bar a { text-decoration: underline; }

.live-dot {
  display: inline-block;
  height: 7px;
  width: 7px;
  border-radius: 50%;
  background: #8fffc1;
  box-shadow: 0 0 0 4px #8fffc122;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  50% { opacity: .45; transform: scale(.85); }
}

.header {
  height: 86px;
  padding: 0 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: white;
  position: relative;
  z-index: 20;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-size: 26px;
  font-weight: 700;
  white-space: nowrap;
}

.brand > span:not(.brand-mark) { color: var(--blue); }

.brand small {
  font-size: 11px;
  vertical-align: top;
  margin-left: 5px;
  letter-spacing: 0;
}

.brand-mark { color: var(--blue); margin-right: 8px; }

.navigation { display: flex; gap: 25px; }

.navigation a {
  font-size: 12px;
  font-weight: 700;
  transition: color .2s;
}

.navigation a:hover { color: var(--blue); }

.header-cta {
  background: var(--ink);
  color: white;
  padding: 13px 17px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.menu-toggle {
  display: none;
  background: none;
  border: 0;
  font-size: 26px;
}

.hero {
  background:
    radial-gradient(circle at 75% 45%, #2854a8 0%, transparent 35%),
    linear-gradient(130deg, #101b31, #172e58);
  min-height: 790px;
  color: white;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 110px 5% 28px;
}

.hero-inner { position: relative; z-index: 2; }

.hero-tag {
  display: inline-flex;
  gap: 13px;
  align-items: center;
  border: 1px solid #ffffff40;
  border-radius: 100px;
  padding: 10px 17px;
  font-size: 10px;
  letter-spacing: .1em;
  margin-bottom: 60px;
}

.hero-overline {
  letter-spacing: .2em;
  font-size: 11px;
  color: #c4d3f0;
  font-weight: 700;
}

.hero h1 {
  font-size: clamp(76px, 14vw, 215px);
  font-weight: 700;
  letter-spacing: -.09em;
  margin: 10px 0 15px;
  line-height: 1;
}

.hero h1 span { color: #8baaff; }

.hero h1 sup {
  font-size: .18em;
  vertical-align: top;
  letter-spacing: -.02em;
  margin-left: 8px;
}

.hero-subtitle {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(23px, 3vw, 43px);
  font-weight: 500;
  letter-spacing: -.04em;
}

.hero-description {
  color: #c2cee1;
  max-width: 470px;
  font-size: 15px;
  margin: 18px 0 35px;
}

.hero-buttons { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 17px 22px;
  font-size: 12px;
  font-weight: 700;
  transition: transform .25s, background .25s;
}

.btn:hover { transform: translateY(-4px); }

.btn-primary { background: #fff; color: var(--ink); }
.btn-secondary { border: 1px solid #ffffff80; color: #fff; }

.hero-orbit {
  position: absolute;
  border: 1px solid #ffffff20;
  border-radius: 50%;
  width: 650px;
  height: 650px;
  right: -120px;
  top: 60px;
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}

.orbit-two {
  width: 460px;
  height: 460px;
  right: -20px;
  top: 160px;
  animation-delay: -3s;
}

@keyframes float {
  50% { transform: translateY(-25px) rotate(8deg); }
}

.hero-bottom {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid #ffffff40;
  padding-top: 20px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  color: #c3d0e7;
}

.countdown-section {
  background: #e9efff;
  padding: 75px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.countdown-heading h2 {
  font-size: clamp(35px, 4vw, 60px);
  margin-top: 14px;
}

.accent { color: var(--blue); }

.countdown {
  display: flex;
  gap: clamp(12px, 3vw, 50px);
  text-align: center;
}

.countdown div { min-width: 60px; }

.countdown strong {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(32px, 5vw, 75px);
  letter-spacing: -.08em;
  line-height: 1.1;
}

.countdown span {
  font-size: 10px;
  letter-spacing: .15em;
  font-weight: 700;
}

.countdown-status { font-size: 12px; }

.section { padding: 110px 5%; }

.section-top {
  display: flex;
  align-items: center;
  gap: 25px;
  margin-bottom: 75px;
}

.section-line { flex: 1; height: 1px; background: var(--line); }

.section h2, .venue h2, .closing h2 {
  font-size: clamp(43px, 5.8vw, 92px);
  font-weight: 700;
}

.about-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 10%;
}

.about-copy .lead {
  font-size: clamp(19px, 2vw, 27px);
  font-weight: 600;
  line-height: 1.45;
  margin: 20px 0;
}

.about-copy > p:not(.lead) {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 20px;
}

.text-link {
  display: inline-block;
  margin-top: 15px;
  color: var(--blue);
  font-weight: 700;
  border-bottom: 1px solid var(--blue);
  padding-bottom: 6px;
}

.conference { background: var(--ink); color: white; }
.conference .section-line { background: #ffffff35; }
.conference em { color: #8baaff; }

.conference-intro {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 30px;
  margin-bottom: 65px;
}

.conference-intro p { max-width: 260px; color: #bbc8dc; }

.experience-grid, .committee-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.experience-card {
  background: #1b2b43;
  padding: 35px;
  min-height: 310px;
  display: flex;
  flex-direction: column;
  transition: transform .25s, background .25s;
}

.experience-card:hover {
  background: #253c5d;
  transform: translateY(-5px);
}

.card-index { font-size: 11px; color: #a4b9db; }

.card-icon {
  font-size: 50px;
  color: #8baaff;
  margin: 35px 0 20px;
}

.experience-card h3 { font-size: 29px; margin-bottom: 12px; }
.experience-card p { color: #c0cce0; font-size: 14px; }

.conference-details {
  margin-top: 55px;
  border-top: 1px solid #ffffff30;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  padding-top: 30px;
}

.conference-details div { display: flex; flex-direction: column; gap: 10px; }
.conference-details span { color: #9eacc3; font-size: 10px; letter-spacing: .14em; }
.conference-details strong { font-size: 15px; }

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 35px;
  margin-bottom: 55px;
}

.section-heading p { color: var(--muted); max-width: 260px; }

.committee-card {
  background: white;
  border: 1px solid var(--line);
  padding: 30px;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  transition: transform .25s, box-shadow .25s;
}

.committee-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 15px 40px #14233b12;
}

.committee-card > span:first-child {
  font-size: 10px;
  letter-spacing: .15em;
  font-weight: 700;
  color: var(--muted);
}

.committee-symbol {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: #e8eeff;
  color: var(--blue);
  display: grid;
  place-items: center;
  font-size: 30px;
  font-weight: 700;
  margin: 35px 0;
}

.committee-card h3 { font-size: 26px; }
.committee-card p { font-size: 13px; color: var(--muted); margin: 12px 0 25px; }

.card-footer {
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  font-size: 10px;
  font-weight: 700;
  color: var(--blue);
}

.announcements { background: #edf1f8; }

.announcement-item {
  display: grid;
  grid-template-columns: 180px 1fr 30px;
  gap: 30px;
  align-items: center;
  border-top: 1px solid #cdd5e1;
  padding: 30px 0;
}

.announcement-item:last-child { border-bottom: 1px solid #cdd5e1; }
.announcement-date, .announcement-type { font-size: 10px; font-weight: 700; letter-spacing: .1em; }
.announcement-date { color: var(--muted); }
.announcement-type { color: var(--blue); }
.announcement-item h3 { font-size: clamp(20px, 2.5vw, 30px); margin-top: 10px; }
.announcement-arrow { font-size: 26px; }

.toolkit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.tool-card {
  background: white;
  border: 1px solid var(--line);
  padding: 28px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  transition: transform .25s;
}

.tool-card:hover { transform: translateY(-5px); }
.tool-icon { font-size: 36px; color: var(--blue); }
.tool-card h3 { font-size: 24px; margin: 45px 0 10px; }
.tool-card p { font-size: 13px; color: var(--muted); }
.tool-status {
  margin-top: auto;
  padding-top: 20px;
  font-size: 10px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: .1em;
}

.venue {
  background: #dce7ff;
  padding: 100px 5%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  overflow: hidden;
}

.venue h2 { margin: 25px 0; }
.venue p { max-width: 400px; margin-bottom: 30px; }
.venue .btn-primary { background: var(--blue); color: white; }

.venue-art { position: relative; min-height: 400px; display: grid; place-items: center; }
.venue-art > span {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(100px, 16vw, 250px);
  font-weight: 700;
  letter-spacing: -.1em;
  color: var(--blue);
  z-index: 1;
}

.venue-circle {
  position: absolute;
  width: 350px;
  height: 350px;
  border: 1px solid #2459d355;
  border-radius: 50%;
  box-shadow: 0 0 0 45px #2459d30a, 0 0 0 90px #2459d308;
}

.closing {
  background: var(--blue);
  color: white;
  text-align: center;
  padding: 120px 5%;
}

.closing h2 { margin: 30px 0 40px; }
.closing em { color: #c5d7ff; }

.footer { background: #101a2b; color: white; padding: 65px 5% 25px; }
.footer-top { display: flex; justify-content: space-between; gap: 40px; }
.footer h2 { font-size: 55px; }
.footer h2 span { color: #8baaff; }
.footer p { color: #aab8cd; font-size: 13px; margin-top: 10px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; font-size: 13px; }
.footer-bottom {
  margin-top: 80px;
  border-top: 1px solid #ffffff30;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: #aab8cd;
  font-size: 10px;
  letter-spacing: .1em;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1100px) {
  .navigation { gap: 14px; }
  .navigation a { font-size: 11px; }
  .toolkit-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 850px) {
  .header { height: 75px; }
  .menu-toggle { display: block; margin-left: auto; }
  .header-cta { display: none; }
  .navigation {
    display: none;
    position: absolute;
    top: 75px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 25px 5%;
    border-bottom: 1px solid var(--line);
  }
  .navigation.open { display: flex; }
  .navigation a { font-size: 15px; padding: 8px 0; }

  .hero { min-height: 680px; padding-top: 90px; }
  .hero-tag { margin-bottom: 40px; }
  .hero h1 { font-size: clamp(65px, 14vw, 120px); }
  .hero-bottom { flex-wrap: wrap; }
  .countdown-section { flex-direction: column; align-items: start; }
  .about-layout, .venue { grid-template-columns: 1fr; }
  .experience-grid, .committee-grid { grid-template-columns: 1fr; }
  .conference-intro, .section-heading { flex-direction: column; align-items: start; }
  .conference-details { grid-template-columns: 1fr; }
  .venue-art { min-height: 260px; }
}

@media (max-width: 520px) {
  .announcement-bar { font-size: 8px; gap: 7px; }
  .announcement-bar a { display: none; }
  .hero { padding-top: 70px; }
  .hero h1 { font-size: clamp(55px, 13vw, 80px); }
  .hero-overline { font-size: 9px; }
  .hero-tag { font-size: 8px; }
  .hero-bottom { font-size: 8px; }
  .section { padding: 75px 5%; }
  .section-top { margin-bottom: 45px; }
  .countdown { width: 100%; justify-content: space-between; gap: 5px; }
  .countdown strong { font-size: 37px; }
  .countdown span { font-size: 8px; }
  .toolkit-grid { grid-template-columns: 1fr; }
  .announcement-item { grid-template-columns: 1fr 20px; gap: 12px; }
  .announcement-date { grid-column: 1 / -1; }
  .footer-top, .footer-bottom { flex-direction: column; }
  .venue-circle { width: 230px; height: 230px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}
