:root {
  --navy: #111126;
  --teal: #24e6d0;
  --teal-dark: #13b8ae;
  --mint: #162040;
  --gold: #ffd36b;
  --ink: #edf2ff;
  --paper: #171a35;
  --muted: #b5bad2;
  --line: #39436e;
  --violet: #8d5cff;
  --magenta: #f34fce;
  --shadow: 0 14px 30px rgba(2, 4, 20, .5);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% -5%, rgba(65, 238, 210, .11), transparent 28rem),
    radial-gradient(circle at 90% 10%, rgba(141, 92, 255, .15), transparent 28rem),
    #0d1023;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: .75rem;
  left: .75rem;
  transform: translateY(-180%);
  padding: .7rem 1rem;
  border: 1px solid var(--teal);
  border-radius: .4rem;
  color: #07121c;
  background: var(--teal);
  font-weight: 800;
  text-decoration: none;
}
.skip-link:focus { transform: translateY(0); }

.container, .header-inner, .footer-inner { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }
.narrow { width: min(760px, 100%); }

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  background: rgba(13, 16, 35, .9);
  border-bottom: 1px solid rgba(57, 67, 110, .8);
  backdrop-filter: blur(12px);
}

.header-inner { display: flex; min-height: 76px; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; flex-shrink: 0; align-items: center; gap: .75rem; color: #f6f7ff; font-weight: 800; text-decoration: none; }
.brand-mark { width: 42px; height: 42px; filter: drop-shadow(0 0 8px rgba(36, 230, 208, .35)); }
.brand-text { line-height: 1.05; }
.brand-text small { display: block; margin-top: .25rem; color: var(--teal); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; }

.primary-navigation ul, .footer-navigation { display: flex; align-items: center; gap: .25rem; margin: 0; padding: 0; list-style: none; }
.primary-navigation a { display: block; padding: .55rem .8rem; border-radius: 999px; color: #e9edff; font-weight: 700; text-decoration: none; }
.primary-navigation a:hover, .primary-navigation a:focus-visible, .primary-navigation a.active { color: #07121c; background: var(--teal); outline: none; box-shadow: 0 0 15px rgba(36, 230, 208, .3); }

.menu-toggle { display: none; padding: .45rem .65rem; border: 1px solid var(--line); border-radius: .4rem; color: var(--ink); background: var(--paper); font: inherit; font-weight: 750; cursor: pointer; }
main { min-height: 60vh; }

.hero { display: grid; min-height: 590px; grid-template-columns: 1fr 1.05fr; align-items: center; gap: clamp(2rem, 5vw, 5.5rem); padding: 4.75rem 0; }
.hero-copy { max-width: 620px; }
.hero-art { width: 100%; border: 1px solid rgba(36, 230, 208, .32); border-radius: 1.1rem; filter: drop-shadow(0 18px 30px rgba(0, 0, 0, .38)); }

.section { padding: 4.75rem 0; }
.section-alt { background: linear-gradient(135deg, rgba(22, 32, 64, .88), rgba(24, 19, 59, .88)); border-top: 1px solid rgba(57, 67, 110, .65); border-bottom: 1px solid rgba(57, 67, 110, .65); }
.page-intro { padding-bottom: 2.5rem; }
.error-page { display: grid; min-height: 48vh; align-items: center; }

.eyebrow { margin: 0 0 .6rem; color: var(--teal); font-size: .78rem; font-weight: 850; letter-spacing: .13em; text-shadow: 0 0 13px rgba(36, 230, 208, .38); text-transform: uppercase; }
h1, h2, h3 { margin: 0 0 1rem; color: #f6f7ff; line-height: 1.1; }
h1 { font-size: clamp(2.55rem, 5vw, 4.75rem); letter-spacing: -.045em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -.035em; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1rem; }
.lead { max-width: 42rem; color: var(--muted); font-size: 1.17rem; }

.button { display: inline-block; margin-top: .75rem; padding: .8rem 1.15rem; border: 1px solid rgba(36, 230, 208, .6); border-radius: .55rem; color: #07121c; background: var(--teal); box-shadow: 0 0 18px rgba(36, 230, 208, .24); font-weight: 800; text-decoration: none; }
.button:hover, .button:focus-visible { background: #7af8e8; outline: 3px solid rgba(36, 230, 208, .2); outline-offset: 3px; }

.section-intro { max-width: 45rem; margin-bottom: 2rem; }
.grid { display: grid; gap: 1.25rem; }
.three-columns { grid-template-columns: repeat(3, 1fr); }
.card { padding: 1.45rem; border: 1px solid var(--line); border-radius: .8rem; background: linear-gradient(145deg, rgba(27, 31, 62, .95), rgba(19, 20, 46, .95)); box-shadow: var(--shadow); }
.card p { margin-bottom: 0; color: var(--muted); }

.event-list { display: grid; gap: 1rem; }
.event { display: grid; grid-template-columns: 105px 1fr; overflow: hidden; border: 1px solid var(--line); border-radius: .8rem; background: var(--paper); box-shadow: var(--shadow); }
.event-date { display: grid; place-items: center; padding: 1rem; color: #fff; background: linear-gradient(160deg, #24275a, #6b3cc8); font-weight: 800; text-align: center; }
.event-date span { display: block; color: var(--gold); font-size: 1.75rem; line-height: 1; }
.event-copy { padding: 1.35rem 1.5rem; }
.event-copy h2 { margin-bottom: .35rem; font-size: 1.3rem; }
.event-copy p { margin: 0; color: var(--muted); }

.faq-list { display: grid; gap: .8rem; }
details { padding: 1rem 1.15rem; border: 1px solid var(--line); border-radius: .65rem; background: linear-gradient(145deg, rgba(27, 31, 62, .95), rgba(19, 20, 46, .95)); }
summary { color: #f6f7ff; font-weight: 750; cursor: pointer; }
details p { margin: .75rem 0 0; color: var(--muted); }

.site-footer { padding: 2.6rem 0; color: #c3cae9; background: #090b1a; border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; }
.footer-brand { color: #fff; font-weight: 800; }
.copyright { margin: .7rem 0 0; color: #8d96ba; font-size: .9rem; }
.footer-navigation { flex-wrap: wrap; gap: 1rem; }
.footer-navigation a { color: #c3cae9; text-decoration: none; }
.footer-navigation a:hover, .footer-navigation a:focus-visible { color: var(--teal); }

@media (max-width: 760px) {
  .header-inner { position: relative; min-height: 68px; }
  .menu-toggle { display: block; }
  .primary-navigation { display: none; position: absolute; top: calc(100% + 1px); right: 0; left: 0; padding: .75rem 1rem 1rem; border-bottom: 1px solid var(--line); background: #10132a; box-shadow: var(--shadow); }
  .primary-navigation.is-open { display: block; }
  .primary-navigation ul { align-items: stretch; flex-direction: column; }
  .primary-navigation a { padding: .7rem .8rem; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding: 3.4rem 0; }
  .hero-art { width: min(530px, 100%); margin: 0 auto; }
  .three-columns { grid-template-columns: 1fr; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 450px) {
  .brand-text { font-size: .92rem; }
  .brand-mark { width: 34px; height: 34px; }
  .event { grid-template-columns: 82px 1fr; }
  .event-date span { font-size: 1.4rem; }
  .event-copy { padding: 1.2rem; }
}