:root {
  --bg: #05060c;
  --bg-panel: #0b0e1a;
  --blue: #3aa8ff;
  --blue-bright: #7ecbff;
  --blue-dim: #1c5c99;
  --gold: #e8b84b;
  --text: #f2f5fb;
  --text-dim: #a9b3c9;
  --danger: #ff4d5e;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  padding-bottom: 88px;
}

.bg-fx {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 15% 10%, rgba(58,168,255,0.18), transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(58,168,255,0.14), transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(58,168,255,0.12), transparent 50%),
    var(--bg);
}

.layout {
  max-width: 1160px;
  margin: 0 auto;
  padding: 44px 24px;
  display: grid;
  grid-template-columns: minmax(300px, 400px) 1fr;
  gap: 48px;
  align-items: start;
}

.poster-col {
  position: sticky;
  top: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.poster-frame {
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(58,168,255,0.35);
  box-shadow: 0 0 40px rgba(58,168,255,0.25);
}

.poster-img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--bg-panel);
}

.poster-col .register-btn {
  margin-top: 22px;
  width: 100%;
}

.info-col { min-width: 0; }

.alert-banner {
  padding: 16px 20px;
  text-align: center;
  border: 1px solid rgba(255,77,94,0.4);
  background: rgba(255,77,94,0.08);
  border-radius: 12px;
  margin-bottom: 32px;
}

.alert-banner p { font-size: 14px; color: var(--text); }
.alert-banner p + p { margin-top: 6px; }
.alert-banner strong { color: var(--danger); }
.alert-banner .slots { font-weight: 700; letter-spacing: 0.5px; }
.alert-banner .slots span { color: var(--gold); }

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.5px;
  color: var(--blue-bright);
  margin-bottom: 18px;
}

.section-title--sm { font-size: 18px; margin-top: 32px; margin-bottom: 14px; }

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.detail-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-panel);
  border: 1px solid rgba(58,168,255,0.2);
  border-radius: 12px;
  padding: 16px;
}

.detail-icon { font-size: 22px; }

.detail-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  font-weight: 600;
}

.detail-value {
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  font-weight: 700;
  margin-top: 3px;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.price-card {
  text-align: center;
  padding: 18px 10px;
  border-radius: 12px;
  background: var(--bg-panel);
  border: 1px solid rgba(58,168,255,0.2);
}

.price-card--active {
  border-color: var(--blue);
  box-shadow: 0 0 20px rgba(58,168,255,0.3);
  background: linear-gradient(180deg, rgba(58,168,255,0.12), rgba(58,168,255,0.02));
}

.price-tag {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  font-weight: 600;
}

.price-amount {
  font-family: 'Montserrat', sans-serif;
  font-size: 26px;
  font-weight: 800;
  color: var(--blue-bright);
  margin-top: 4px;
}

.price-card--active .price-amount { color: var(--text); }

.cta-section {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(58,168,255,0.15);
}

.cta-note {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.register-btn {
  font-family: 'Montserrat', sans-serif;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #05060c;
  background: linear-gradient(135deg, var(--blue-bright), var(--blue));
  border: none;
  border-radius: 10px;
  padding: 16px 32px;
  cursor: pointer;
  box-shadow: 0 0 30px rgba(58,168,255,0.5);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.register-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(58,168,255,0.7);
}

.cta-sub {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-dim);
}

.contact-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.contact-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid rgba(58,168,255,0.3);
  background: var(--bg-panel);
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
}

.site-footer {
  padding: 30px 0 0;
  margin-top: 32px;
  border-top: 1px solid rgba(58,168,255,0.15);
}

.site-footer p {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}

.site-footer .brand {
  margin-top: 8px;
  color: var(--gold);
  font-weight: 600;
}

.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: linear-gradient(180deg, transparent, rgba(5,6,12,0.95) 30%);
  display: none;
  z-index: 20;
}

.register-btn--sticky {
  width: 100%;
  font-size: 16px;
  padding: 14px 20px;
}

@media (max-width: 860px) {
  .layout {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 28px 20px;
  }

  .poster-col {
    position: static;
    max-width: 420px;
    margin: 0 auto;
  }
}

@media (max-width: 640px) {
  .sticky-cta { display: block; }
  .price-grid { grid-template-columns: 1fr; }
}