:root {
  --bg: #0b1020;
  --card: rgba(255,255,255,0.08);
  --card-border: rgba(255,255,255,0.12);
  --text: #f5f7ff;
  --muted: #b5bfdc;
  --primary: #7c5cff;
  --secondary: #11d4c7;
  --accent: #ff5ea8;
  --shadow: 0 20px 60px rgba(0,0,0,0.35);
  --radius: 22px;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(124,92,255,0.20), transparent 30%),
    radial-gradient(circle at top right, rgba(17,212,199,0.14), transparent 25%),
    linear-gradient(180deg, #0a1022 0%, #0d1329 45%, #111831 100%);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at center, black, transparent 85%);
  opacity: 0.45;
}

a { color: inherit; text-decoration: none; }

.container {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(10, 16, 34, 0.55);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.brand-badge {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: var(--shadow);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 0.96rem;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
  transition: 0.25s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.button-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 12px 30px rgba(124,92,255,0.35);
}

.button-primary:hover {
  transform: translateY(-2px);
}

.button-secondary {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
}

.hero {
  padding: 70px 0 38px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 26px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  color: #dbe4ff;
  margin-bottom: 18px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--secondary);
  box-shadow: 0 0 18px var(--secondary);
}

h1 {
  font-size: clamp(2.4rem, 6vw, 5rem);
  line-height: 0.95;
  letter-spacing: -2px;
  margin: 0 0 18px;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff, #b6ccff 35%, #79ffe1 70%, #ff8dc4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

p.lead,
.hero p {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.75;
  max-width: 68ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 26px 0;
}

.stats,
.cards-3,
.cards-4 {
  display: grid;
  gap: 18px;
}

.stats { grid-template-columns: repeat(3, minmax(0,1fr)); }
.cards-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.cards-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }

.card,
.stat-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.stat-card,
.page-card,
.feature-card,
.topic-card,
.event-card,
.info-card {
  padding: 22px;
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.stat-label {
  color: var(--muted);
}

.hero-panel {
  min-height: 520px;
  position: relative;
  overflow: hidden;
  padding: 22px;
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(18px);
  opacity: 0.65;
}

.glow.one {
  width: 180px;
  height: 180px;
  top: -40px;
  right: -10px;
  background: rgba(124,92,255,0.55);
}

.glow.two {
  width: 150px;
  height: 150px;
  bottom: 30px;
  left: -35px;
  background: rgba(17,212,199,0.35);
}

.floating-cards {
  position: relative;
  display: grid;
  gap: 16px;
  z-index: 2;
}

.mini-card {
  padding: 18px;
  border-radius: 20px;
  background: rgba(10, 16, 34, 0.6);
  border: 1px solid rgba(255,255,255,0.1);
}

.mini-card h3,
.section-title {
  margin: 0 0 10px;
  font-size: 1.2rem;
}

.mini-card p,
.section-subtitle,
.page-card p,
.feature-card p,
.topic-card p,
.event-card p,
.info-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

section,
.page-section {
  padding: 42px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 22px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  letter-spacing: -1px;
}

.icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(124,92,255,0.24), rgba(17,212,199,0.24));
  border: 1px solid rgba(255,255,255,0.12);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.tag {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  color: #e3eaff;
  font-size: 0.86rem;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.event-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
  color: #e3eaff;
}

.progress-wrap {
  margin-top: 14px;
}

.progress-bar {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
}

.progress-bar span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--secondary), var(--primary));
  transition: width 1.2s ease;
}

.list {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.list-item {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
}

.chat-box {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.bubble {
  max-width: 85%;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.08);
  color: #eef2ff;
  line-height: 1.55;
}

.bubble.right {
  margin-left: auto;
  background: linear-gradient(135deg, rgba(124,92,255,0.32), rgba(255,94,168,0.22));
}

.join-form {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.input,
.textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border-radius: 16px;
  padding: 14px 16px;
  outline: none;
  font: inherit;
}

.textarea {
  min-height: 120px;
  resize: vertical;
}

.success {
  display: none;
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(17,212,199,0.12);
  border: 1px solid rgba(17,212,199,0.3);
  color: #d7fffb;
}

.footer {
  padding: 28px 0 40px;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 26px;
}

.scroll-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 0;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: 0.25s ease;
  z-index: 60;
}

.scroll-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-hero {
  padding: 64px 0 20px;
}

.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
}

.page-hero p {
  color: var(--muted);
  max-width: 70ch;
  line-height: 1.7;
}

@media (max-width: 1024px) {
  .hero-grid,
  .cards-4,
  .cards-3,
  .split,
  .stats {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .nav-inner {
    flex-wrap: wrap;
  }

  .nav-links {
    width: 100%;
    justify-content: center;
  }

  .hero-grid,
  .cards-4,
  .cards-3,
  .split,
  .stats {
    grid-template-columns: 1fr;
  }

  .section-head {
    flex-direction: column;
    align-items: start;
  }
}