:root {
  --bg: #0c1220;
  --bg-soft: #131c31;
  --card: rgba(255,255,255,0.06);
  --card-strong: rgba(255,255,255,0.1);
  --text: #e9eefc;
  --muted: #b8c3e0;
  --accent: #82e0aa;
  --accent-2: #66b3ff;
  --border: rgba(255,255,255,0.12);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  --radius: 22px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Manrope', system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(102,179,255,0.14), transparent 32%),
    radial-gradient(circle at top right, rgba(130,224,170,0.1), transparent 24%),
    linear-gradient(180deg, #09101d 0%, #0d1424 100%);
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(9, 15, 29, 0.72);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0c1220;
}
.brand-text { font-size: 0.98rem; }
.nav {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 0.95rem;
}
.nav a:hover { color: var(--text); }
.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-radius: 12px;
  padding: 8px 12px;
}

.hero { padding: 72px 0 52px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 42px;
  align-items: center;
}
.eyebrow, .section-tag {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(130,224,170,0.1);
  color: var(--accent);
  border: 1px solid rgba(130,224,170,0.18);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.hero h1 {
  margin: 18px 0 18px;
  font-size: clamp(2.3rem, 5vw, 4.3rem);
  line-height: 1.08;
}
.lead {
  font-size: 1.1rem;
  color: var(--text);
  max-width: 760px;
}
.hero-note { color: var(--muted); }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 16px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #08111d;
  box-shadow: var(--shadow);
}
.btn-secondary {
  background: rgba(255,255,255,0.05);
  border-color: var(--border);
}
.btn-block { width: 100%; margin-bottom: 12px; }
.quick-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.stat-card, .info-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.stat-card {
  padding: 18px;
}
.stat-card span {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 6px;
}
.stat-card strong { font-size: 1rem; }
.hero-visual img { filter: drop-shadow(0 30px 60px rgba(0,0,0,0.35)); }

.section { padding: 72px 0; }
.section-soft { background: rgba(255,255,255,0.02); }
.section-highlight {
  background: linear-gradient(180deg, rgba(102,179,255,0.06), rgba(130,224,170,0.03));
}
.section h2 {
  margin: 14px 0 22px;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.15;
}
.two-column {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
}
.info-card {
  padding: 28px;
}
.accent-card {
  background: linear-gradient(180deg, rgba(102,179,255,0.13), rgba(130,224,170,0.08));
}
.cards-grid {
  display: grid;
  gap: 20px;
}
.tasks-grid { grid-template-columns: repeat(3, 1fr); }
.section-grid { grid-template-columns: repeat(2, 1fr); }
.benefits-grid { grid-template-columns: repeat(3, 1fr); }
.card-illustration {
  width: 56px;
  height: 56px;
  margin-bottom: 16px;
}
.section-card h3 { margin-top: 10px; }
.section-number {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(130,224,170,0.12);
  color: var(--accent);
  font-weight: 800;
}
.audience-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 28px;
  align-items: center;
}
.audience-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.audience-list span {
  display: inline-flex;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
}
.illustration-panel {
  padding: 18px;
  background: rgba(255,255,255,0.04);
}
.timeline {
  position: relative;
  display: grid;
  gap: 18px;
  margin-top: 26px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 114px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(255,255,255,0.12);
}
.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 24px;
  align-items: center;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: 107px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 6px rgba(102,179,255,0.14);
}
.timeline-date {
  color: var(--accent);
  font-weight: 800;
}
.timeline-content {
  padding: 18px 22px;
  border-radius: 18px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
}
.timeline-item.featured .timeline-content {
  background: linear-gradient(135deg, rgba(130,224,170,0.16), rgba(102,179,255,0.12));
}
.placeholders .placeholder-item + .placeholder-item {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.cta-section {
  background: linear-gradient(180deg, rgba(130,224,170,0.05), rgba(102,179,255,0.06));
}
.cta-grid {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 28px;
}
.contact-list div + div { margin-top: 10px; }
.action-panel { align-self: start; }
.site-footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 26px 0 40px;
  color: var(--muted);
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}

@media (max-width: 980px) {
  .hero-grid,
  .two-column,
  .audience-grid,
  .cta-grid,
  .committee-grid,
  .tasks-grid,
  .benefits-grid,
  .section-grid {
    grid-template-columns: 1fr;
  }
  .quick-stats { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .menu-toggle { display: inline-flex; }
  .nav {
    position: absolute;
    top: 74px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    padding: 18px;
    border-radius: 20px;
    background: rgba(11, 18, 34, 0.96);
    border: 1px solid var(--border);
  }
  .nav.open { display: flex; }
  .timeline::before { left: 17px; }
  .timeline-item {
    grid-template-columns: 1fr;
    padding-left: 42px;
    gap: 8px;
  }
  .timeline-item::before { left: 10px; }
  .footer-grid {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero { padding-top: 40px; }
}