:root {
  --bg: #08101d;
  --bg-alt: #0d1728;
  --panel: rgba(8, 18, 36, 0.78);
  --panel-border: rgba(71, 126, 255, 0.24);
  --text: #eef4ff;
  --muted: #c5d3eb;
  --blue: #2e6bff;
  --blue-2: #4f8cff;
  --line: rgba(255,255,255,0.08);
  --shadow: 0 18px 40px rgba(0,0,0,.28);
  --radius: 22px;
  --container: 1220px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #08111f 0%, #0b1423 100%);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(860px, calc(100% - 40px)); }
.site-main { overflow: clip; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 14, 27, 0.58);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 0;
}
.site-branding { display:flex; align-items:center; min-width: 0; }
.site-branding img { max-height: 72px; width: auto; }
.site-branding .custom-logo-link, .site-branding .default-logo { display:inline-flex; align-items:center; }
.primary-nav { margin-left: auto; }
.primary-nav .menu { display:flex; gap: 34px; list-style:none; padding:0; margin:0; align-items:center; }
.primary-nav a { color: #f5f8ff; font-size: 16px; font-weight: 600; }
.primary-nav a:hover { color: #8bb1ff; }
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 28px;
  border-radius: 16px;
  background: linear-gradient(180deg, #4d86ff 0%, #2e6bff 100%);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 10px 22px rgba(46,107,255,.28);
  white-space: nowrap;
}
.menu-toggle { display:none; }
.hero {
  position: relative;
  min-height: 680px;
  background-image: var(--hero-image);
  background-size: cover;
  background-position: center center;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8,16,29,.18) 0%, rgba(8,16,29,.06) 42%, rgba(8,16,29,.18) 100%),
    linear-gradient(180deg, rgba(8,16,29,.02) 0%, rgba(8,16,29,.08) 54%, rgba(8,16,29,.22) 100%);
}
.hero-overlay { position:absolute; inset:0; background: radial-gradient(circle at 18% 26%, rgba(79,140,255,.07), transparent 34%); }
.hero-inner { position: relative; z-index: 2; display:flex; align-items:center; min-height: 680px; padding: 90px 0 210px; }
.hero-copy { max-width: 720px; }
.hero h1 {
  margin: 0 0 18px;
  font-family: Inter, system-ui, sans-serif;
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 800;
  text-wrap: balance;
}
.hero-subtitle {
  margin: 0 0 34px;
  font-size: clamp(18px, 1.8vw, 24px);
  line-height: 1.2;
  font-weight: 500;
  color: #f3f7ff;
}
.hero-actions { display:flex; gap: 18px; flex-wrap: wrap; }
.button {
  display:inline-flex; align-items:center; justify-content:center;
  min-height: 56px; padding: 0 28px; border-radius: 16px; font-weight:700; font-size: 17px;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary { background: linear-gradient(180deg, #4d86ff 0%, #2e6bff 100%); box-shadow: 0 12px 24px rgba(46,107,255,.25); }
.button-secondary { border: 1px solid rgba(255,255,255,.18); background: rgba(10,18,34,.45); }
.hero-network {
  position:absolute; left:0; right:0; bottom:0; height: 180px; z-index:1; pointer-events:none;
  background-image:
   radial-gradient(circle at 6% 84%, rgba(129,176,255,.9) 0 2px, transparent 3px),
   radial-gradient(circle at 12% 68%, rgba(129,176,255,.8) 0 2px, transparent 3px),
   radial-gradient(circle at 18% 78%, rgba(129,176,255,.8) 0 2px, transparent 3px),
   radial-gradient(circle at 23% 58%, rgba(129,176,255,.7) 0 2px, transparent 3px),
   linear-gradient(120deg, transparent 0 8%, rgba(104,157,255,.18) 8% 8.4%, transparent 8.4% 100%),
   linear-gradient(36deg, transparent 0 14%, rgba(104,157,255,.16) 14% 14.4%, transparent 14.4% 100%),
   linear-gradient(160deg, transparent 0 19%, rgba(104,157,255,.14) 19% 19.3%, transparent 19.3% 100%);
  opacity: .45;
}
.info-cards-wrap { position: relative; z-index: 3; margin-top: -120px; }
.info-cards { display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 22px; }
.info-card {
  position: relative;
  min-height: 230px;
  padding: 34px 34px 30px;
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(10,22,46,.92) 0%, rgba(7,16,34,.86) 100%);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.info-card::after {
  content:""; position:absolute; inset:auto -20px -24px auto; width:200px; height:110px; opacity:.16;
  background-image:
    radial-gradient(circle at 16% 60%, #81b0ff 0 2px, transparent 3px),
    radial-gradient(circle at 48% 42%, #81b0ff 0 2px, transparent 3px),
    linear-gradient(38deg, transparent 0 42%, #81b0ff 42% 42.8%, transparent 42.8% 100%),
    linear-gradient(145deg, transparent 0 30%, #81b0ff 30% 30.8%, transparent 30.8% 100%);
}
.eyebrow {
  margin:0 0 20px; text-transform: uppercase; letter-spacing: .16em; font-size: 14px; font-weight: 800; color: #58a0ff;
}
.info-card p:last-of-type { margin: 0 0 18px; color: var(--muted); font-size: 17px; }
.text-link { font-weight: 700; }
.content-section { padding: 84px 0; }
.section-heading { margin-bottom: 28px; }
.section-heading.center { text-align:center; }
.section-heading h2 {
  margin: 0 0 10px;
  font-family: Inter, system-ui, sans-serif;
  font-size: clamp(34px, 3vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
}
.section-heading p { margin: 0; color: var(--muted); font-size: 18px; }
.event-grid { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 28px; }
.event-card {
  background: linear-gradient(180deg, rgba(10,22,46,.82) 0%, rgba(7,16,34,.94) 100%);
  border-radius: 26px; overflow:hidden; border:1px solid rgba(255,255,255,.08); box-shadow: var(--shadow);
}
.event-image-link { display:block; aspect-ratio: 16/8.4; overflow:hidden; }
.event-image-link img { width:100%; height:100%; object-fit:cover; }
.event-card-content { padding: 26px 28px 30px; }
.event-card h3 { margin: 0 0 12px; font-size: 28px; line-height:1.15; font-weight:800; }
.event-card p { margin:0 0 18px; color: var(--muted); }
.button-small { min-height: 46px; padding: 0 20px; background: linear-gradient(180deg, #4d86ff 0%, #2e6bff 100%); border-radius: 14px; }
.sponsors-section { background: linear-gradient(180deg, rgba(255,255,255,.015), rgba(255,255,255,0)); }
.sponsor-grid { display:grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 0; background:#fff; border-radius: 18px; overflow:hidden; box-shadow: var(--shadow); }
.sponsor-item { min-height: 118px; display:flex; align-items:center; justify-content:center; padding: 24px; border-right: 1px solid rgba(0,0,0,.08); }
.sponsor-item:last-child { border-right:0; }
.sponsor-item img { max-height: 54px; width:auto; filter: grayscale(100%); opacity: .9; transition: filter .18s ease, opacity .18s ease; }
.sponsor-item:hover img { filter: grayscale(0%); opacity: 1; }
.sponsor-item span { color:#162036; font-weight:600; text-align:center; }
.mailing-card {
  background: #f5f7fb; color: #0f1728; border-radius: 24px; padding: 34px; box-shadow: var(--shadow);
}
.form-placeholder p { margin: 0 0 12px; }
.site-footer { border-top:1px solid rgba(255,255,255,.06); padding: 24px 0 36px; }
.footer-inner { display:flex; justify-content:space-between; gap: 20px; align-items:center; }
.footer-menu ul { list-style:none; display:flex; gap: 18px; padding:0; margin:0; flex-wrap:wrap; }
.footer-copy { color: var(--muted); font-size: 14px; }
@media (max-width: 1080px) {
  .header-inner { gap: 16px; }
  .primary-nav .menu { gap: 22px; }
  .info-cards { grid-template-columns: 1fr; }
  .event-grid, .sponsor-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .header-inner { min-height: 76px; flex-wrap: wrap; }
  .primary-nav { order: 3; width: 100%; margin-left: 0; }
  .primary-nav .menu { gap: 14px; flex-wrap:wrap; }
  .nav-cta { margin-left:auto; }
  .hero, .hero-inner { min-height: 620px; }
  .hero-inner { padding: 86px 0 190px; }
  .hero h1 { font-size: clamp(34px, 8vw, 48px); }
  .hero-subtitle { font-size: 22px; }
  .event-grid, .sponsor-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items:flex-start; }
}

.primary-nav{position:relative;z-index:2;display:flex;justify-content:flex-end;}
.nav-cta{position:relative;z-index:5;pointer-events:auto;}


.header-inner,
.hero-inner {
  width: min(1360px, calc(100% - 56px));
  margin: 0 auto;
}

.footer-top {
  justify-content: flex-end;
}

.footer-nav {
  display: none;
}

.page-hero-simple .eyebrow {
  margin-bottom: 10px;
}

/* Sponsor section polish */
.sponsor-grid {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(220px, 280px));
  width: auto;
  max-width: none;
  background: transparent;
  border-radius: 0;
  overflow: visible;
  box-shadow: none;
  gap: 18px;
}

.sponsor-item {
  background: #ffffff;
  border-radius: 18px;
  min-height: 120px;
  padding: 28px 34px;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 14px 30px rgba(0,0,0,.18);
}

.sponsor-item img {
  filter: none !important;
  opacity: 1 !important;
  max-height: 68px;
  width: auto;
  margin: 0 auto;
}

.sponsor-item:hover img {
  filter: none !important;
  opacity: 1 !important;
}

.sponsor-item:hover {
  transform: translateY(-2px);
}

/* Reduce subpage hero spacing */
.page-hero-simple {
  padding: 90px 0 35px;
}

.page-content-section {
  padding-top: 35px;
}

/* Sponsor page logo cards */
.page-sponsor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 280px));
  gap: 18px;
  margin-top: 34px;
}

.page-sponsor-card {
  background: #ffffff;
  border-radius: 18px;
  min-height: 120px;
  padding: 28px 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 30px rgba(0,0,0,.18);
}

.page-sponsor-card img {
  max-height: 68px;
  width: auto;
  max-width: 100%;
  filter: none !important;
  opacity: 1 !important;
}

/* Tighten spacing on standard subpages */
.page-hero-simple {
  padding: 70px 0 20px !important;
}

.page-content-section {
  padding-top: 20px !important;
}

.page-content > *:first-child {
  margin-top: 0 !important;
}

/* Tighten Events page spacing */
.page-hero-simple {
  padding-bottom: 10px !important;
}

.content-section {
  padding-top: 10px !important;
}