:root {
  --navy-950: #061c2c;
  --navy-900: #082f49;
  --navy-800: #0b4768;
  --sky-500: #00aeef;
  --sky-300: #69d5fb;
  --lime-400: #b8ef3b;
  --coral-500: #ff6558;
  --paper: #f7f8f4;
  --white: #ffffff;
  --ink: #102536;
  --muted: #51616d;
  --line: #dbe2e5;
  --shadow: 0 24px 60px rgba(6, 28, 44, .14);
  --radius-sm: .75rem;
  --radius: 1.4rem;
  --radius-lg: 2.2rem;
  --shell: min(1160px, calc(100% - 2rem));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--coral-500); outline-offset: 4px; }
.shell { width: var(--shell); margin-inline: auto; }
.narrow { max-width: 800px; }
.skip-link { position: fixed; top: .75rem; left: .75rem; z-index: 100; transform: translateY(-180%); padding: .7rem 1rem; border-radius: .5rem; background: var(--white); color: var(--navy-950); font-weight: 800; }
.skip-link:focus { transform: translateY(0); }

.preview-banner { padding: .55rem 1rem; text-align: center; background: #fff0b8; color: #503b00; font-size: .9rem; font-weight: 800; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(247,248,244,.94); border-bottom: 1px solid rgba(8,47,73,.1); backdrop-filter: blur(14px); }
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; color: var(--navy-950); text-decoration: none; font-size: 1rem; font-weight: 950; letter-spacing: .06em; text-transform: uppercase; }
.brand img { width: 54px; height: 54px; object-fit: contain; }
.primary-nav { display: flex; align-items: center; gap: 1.45rem; font-size: .92rem; font-weight: 750; }
.primary-nav a { text-decoration: none; }
.primary-nav a:not(.nav-action):hover { color: var(--navy-800); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: .35rem; }
.nav-action { padding: .65rem 1rem; border-radius: 999px; background: var(--navy-950); color: var(--white); }
.nav-action:hover { background: var(--sky-500); color: var(--navy-950); }
.menu-button { display: none; border: 1px solid var(--line); border-radius: 999px; padding: .55rem .9rem; background: var(--white); color: var(--navy-950); font: inherit; font-weight: 800; }

.hero { overflow: hidden; padding: clamp(3.5rem, 8vw, 7rem) 0 0; background: var(--paper); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.eyebrow, .section-kicker { margin: 0 0 1rem; color: var(--navy-800); font-size: .8rem; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; color: var(--navy-950); font-weight: 900; letter-spacing: -.04em; line-height: 1.03; text-wrap: balance; }
h1 { max-width: 12ch; margin-bottom: 1.4rem; font-size: clamp(3rem, 5.4vw, 4.9rem); }
h2 { margin-bottom: 1.2rem; font-size: clamp(2.25rem, 4vw, 3.7rem); }
h3 { margin-bottom: .75rem; font-size: 1.45rem; letter-spacing: -.025em; }
.hero-summary { max-width: 660px; margin: 0 0 1.8rem; color: var(--muted); font-size: clamp(1.1rem, 1.8vw, 1.35rem); }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; gap: .7rem; padding: .75rem 1.15rem; border: 2px solid transparent; border-radius: 999px; text-decoration: none; font-weight: 850; line-height: 1.2; transition: transform .18s ease, background .18s ease, color .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--navy-950); color: var(--white); }
.button-primary:hover { background: var(--sky-500); color: var(--navy-950); }
.button-secondary { border-color: var(--navy-950); color: var(--navy-950); }
.button-secondary:hover { background: var(--white); }
.event-date { margin: 1.6rem 0 0; color: var(--navy-950); }
.event-date strong { font-size: 1.05rem; }
.event-date span { color: var(--muted); font-size: .9rem; }

.hero-art { position: relative; min-height: 470px; display: grid; place-items: center; padding: 3.7rem 1.4rem 2rem; border-radius: var(--radius-lg); background: linear-gradient(145deg, #dff6ff, #8cdef9); box-shadow: var(--shadow); isolation: isolate; }
.hero-art::before { content: ""; position: absolute; inset: 1rem; z-index: -1; border: 1px solid rgba(105,213,251,.3); border-radius: calc(var(--radius-lg) - .6rem); }
.hero-art img { width: min(78%, 360px); height: auto; object-fit: contain; }
.year-mark { position: absolute; top: 1.1rem; right: 1.4rem; padding: .35rem .7rem; border-radius: 999px; background: var(--navy-950); color: var(--white); font-size: 1rem; font-weight: 950; letter-spacing: .08em; line-height: 1; }
.announcement { display: flex; align-items: center; justify-content: center; gap: .65rem; max-width: 860px; margin: 2.25rem auto 2rem; padding: 1rem 1.25rem; border-radius: 999px; background: var(--lime-400); color: var(--navy-950); box-shadow: 0 14px 35px rgba(6,28,44,.12); text-align: center; font-weight: 850; }
.pulse { width: .65rem; height: .65rem; flex: 0 0 auto; border-radius: 50%; background: var(--coral-500); box-shadow: 0 0 0 5px rgba(255,101,88,.18); }

.section { padding: clamp(5rem, 9vw, 8rem) 0; }
.section-intro { text-align: center; }
.section-lead { margin: 0; color: var(--muted); font-size: clamp(1.15rem, 2vw, 1.4rem); }
.section-dark { background: var(--navy-950); color: var(--white); }
.section-dark h2, .section-dark h3, .section-dark .section-kicker { color: var(--white); }
.section-dark .section-kicker { color: var(--sky-300); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2.4rem; }
.section-heading > div { max-width: 750px; }
.section-heading p:last-child { margin-bottom: 0; color: var(--muted); }
.section-dark .section-heading p:last-child { color: #bdd0dc; }

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.stat { padding: 1.6rem; border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius); background: rgba(255,255,255,.06); }
.stat strong { display: block; color: var(--lime-400); font-size: clamp(2.2rem, 4vw, 3.5rem); line-height: 1; letter-spacing: -.06em; }
.stat span { display: block; margin-top: .7rem; color: #d9e5eb; font-weight: 700; }
.source-note { margin: 1.2rem 0 0; color: #9db3bf; font-size: .8rem; }

.opportunity-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.opportunity-card { position: relative; overflow: hidden; padding: 1.7rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: 0 12px 30px rgba(6,28,44,.06); }
.opportunity-card:first-child { border-color: var(--sky-500); box-shadow: 0 18px 45px rgba(0,174,239,.16); }
.card-badge { display: inline-flex; margin-bottom: 1.3rem; padding: .3rem .65rem; border-radius: 999px; background: #e8f8fd; color: var(--navy-800); font-size: .72rem; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }
.opportunity-card p { color: var(--muted); }
.benefit-list { margin: 1.3rem 0 0; padding: 1.2rem 0 0; border-top: 1px solid var(--line); list-style: none; }
.benefit-list li { position: relative; padding-left: 1.35rem; margin: .55rem 0; font-size: .94rem; font-weight: 650; }
.benefit-list li::before { content: "✓"; position: absolute; left: 0; color: #16885a; font-weight: 950; }
.package-note { max-width: 820px; margin: 1.5rem auto 0; color: var(--muted); text-align: center; font-size: .9rem; }
.section-cta { display: flex; flex-direction: column; align-items: center; gap: .65rem; margin-top: 2rem; text-align: center; }
.section-cta .button { min-width: min(100%, 300px); }
.section-cta p { max-width: 620px; margin: 0; color: var(--muted); font-size: .9rem; }

.media-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(1.5rem, 4vw, 4rem); align-items: center; }
.video-frame { position: relative; overflow: hidden; aspect-ratio: 16 / 9; border-radius: var(--radius); background: #000; box-shadow: var(--shadow); }
.video-frame iframe { width: 100%; height: 100%; border: 0; }
.text-link { color: var(--navy-800); font-weight: 850; text-underline-offset: .25rem; }

.sponsor-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: .85rem; }
.sponsor-card { min-height: 160px; display: flex; flex-direction: column; justify-content: space-between; gap: .8rem; padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--white); color: var(--ink); text-decoration: none; transition: transform .18s ease, box-shadow .18s ease; }
.sponsor-card:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(6,28,44,.1); }
.sponsor-card img { width: 100%; height: 82px; object-fit: contain; object-position: center; }
.sponsor-card span { display: block; color: var(--muted); font-size: .72rem; font-weight: 800; line-height: 1.25; text-align: center; }

.archive-card { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; padding: clamp(1.5rem, 4vw, 3rem); border-radius: var(--radius-lg); background: #dff6ff; }
.archive-card h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
.archive-card p { max-width: 690px; margin-bottom: 0; color: var(--muted); }
.event-info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.info-card { padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.info-card p { margin-bottom: 0; color: var(--muted); }

.closing-cta { background: var(--sky-500); }
.closing-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 3rem; align-items: center; }
.closing-grid h2 { max-width: 760px; }
.closing-grid p { max-width: 720px; }
.closing-actions { display: flex; flex-direction: column; align-items: stretch; gap: 1rem; }
.button-light { background: var(--navy-950); color: var(--white); text-align: center; }
.button-light:hover { background: var(--white); color: var(--navy-950); }
.text-link-light { color: var(--navy-950); font-weight: 850; text-align: center; text-underline-offset: .25rem; }

.site-footer { padding: 4rem 0 1.4rem; background: var(--navy-950); color: #c4d4dd; }
.footer-grid { display: grid; grid-template-columns: 1.5fr .7fr .7fr; gap: 2rem; }
.footer-grid img { width: 112px; height: 112px; padding: .35rem; border-radius: 1rem; background: var(--white); object-fit: contain; }
.footer-grid a { color: var(--white); text-underline-offset: .25rem; }
.footer-heading { margin: 0 0 .65rem; color: var(--sky-300); font-size: .8rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.12); font-size: .75rem; }

@media (max-width: 900px) {
  .menu-button { display: inline-flex; }
  .primary-nav { position: absolute; top: calc(100% + 1px); left: 0; right: 0; display: none; align-items: stretch; padding: 1rem; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 20px 35px rgba(6,28,44,.1); }
  .primary-nav.is-open { display: grid; }
  .primary-nav a { padding: .7rem; }
  .nav-action { text-align: center; }
  .hero-grid, .media-grid, .closing-grid { grid-template-columns: 1fr; }
  .hero-art { min-height: 390px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .opportunity-grid { grid-template-columns: 1fr; }
  .sponsor-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 580px) {
  :root { --shell: min(100% - 1.2rem, 1160px); }
  .header-inner { min-height: 68px; }
  .brand img { width: 48px; height: 48px; }
  .brand span { font-size: .88rem; }
  h1 { font-size: clamp(2.65rem, 14vw, 4.2rem); }
  .hero { padding-top: 2.5rem; }
  .hero-art { min-height: 315px; padding-top: 3rem; }
  .announcement { border-radius: var(--radius); }
  .actions .button { width: 100%; }
  .section-heading { display: block; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat { padding: 1.2rem; }
  .sponsor-grid { grid-template-columns: repeat(2, 1fr); }
  .sponsor-card { min-height: 145px; }
  .archive-card { grid-template-columns: 1fr; }
  .archive-card .button { width: 100%; }
  .event-info-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:first-child { grid-column: auto; }
  .footer-bottom { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}