/* === Reset & Base === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-dark: #0a0a1a;
  --bg-card: #12122a;
  --bg-card-hover: #1a1a3a;
  --accent: #7c6cff;
  --accent-light: #9d8fff;
  --accent-glow: rgba(124, 108, 255, 0.15);
  --text-primary: #f0f0f5;
  --text-secondary: #8888aa;
  --text-muted: #555570;
  --border: #2a2a4a;
  --success: #10b981;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === Hero === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding: 60px 24px;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124, 108, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 108, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.terminal-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 16px;
  margin-bottom: 40px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }

.terminal-label {
  margin-left: 8px;
}

.hero-title {
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
}

.title-line {
  display: block;
  font-size: clamp(3rem, 10vw, 6rem);
  letter-spacing: -2px;
}

.title-line.accent {
  color: var(--accent);
  text-shadow: 0 0 60px var(--accent-glow);
}

.hero-tagline {
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  color: var(--text-secondary);
  margin-bottom: 48px;
  font-family: var(--font-mono);
}

.typed-text {
  color: var(--accent-light);
}

.cursor {
  color: var(--accent);
  animation: blink 1s infinite;
  font-weight: 300;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 48px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-top: 4px;
}

.stat-divider {
  font-family: var(--font-mono);
  font-size: 2rem;
  color: var(--text-muted);
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: white;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  padding: 16px 32px;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 108, 255, 0.3);
}

.cta-button .arrow {
  transition: transform 0.3s ease;
}

.cta-button:hover .arrow {
  transform: translateX(4px);
}

/* === Section Titles === */
.section-title {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 48px;
  text-align: center;
}

.comment {
  color: var(--text-muted);
}

/* === What to Expect === */
.expect {
  padding: 120px 24px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
}

.card.visible {
  opacity: 1;
  transform: translateY(0);
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.card h3 {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--accent-light);
}

.card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* === The Format / Timeline === */
.format {
  padding: 120px 24px;
}

.timeline {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--border));
}

.timeline-item {
  display: flex;
  gap: 24px;
  margin-bottom: 40px;
  opacity: 0;
  transform: translateX(-20px);
  transition: all 0.5s ease;
}

.timeline-item.visible {
  opacity: 1;
  transform: translateX(0);
}

.timeline-marker {
  flex-shrink: 0;
  width: 58px;
  display: flex;
  justify-content: center;
}

.day-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--bg-dark);
  border: 2px solid var(--accent);
  border-radius: 20px;
  padding: 6px 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  white-space: nowrap;
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  flex: 1;
}

.timeline-content h3 {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.timeline-content p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* === What to Bring === */
.bring {
  padding: 120px 24px;
}

.bring-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  max-width: 700px;
  margin: 0 auto;
}

.bring-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  font-size: 1rem;
  color: var(--text-secondary);
  transition: border-color 0.3s ease;
}

.bring-item:hover {
  border-color: var(--accent);
}

.bring-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

/* === Facilitators === */
.facilitators {
  padding: 120px 24px;
}

.facilitators-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  max-width: 700px;
  margin: 0 auto;
}

.facilitator-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  text-align: center;
  transition: all 0.3s ease;
}

.facilitator-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.facilitator-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 20px;
  border: 3px solid var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}

.facilitator-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.facilitator-card h3 {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.facilitator-role {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-light);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: block;
  margin-bottom: 16px;
}

.facilitator-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.facilitator-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
  transition: color 0.3s ease;
}

.facilitator-link:hover {
  color: var(--accent-light);
}

@media (max-width: 640px) {
  .facilitators-grid {
    grid-template-columns: 1fr;
  }

  .facilitators {
    padding: 80px 24px;
  }
}

/* === Register === */
.register {
  padding: 120px 24px;
}

.register-sub {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 48px;
  font-size: 1.1rem;
}

.register-form {
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text-primary);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  outline: none;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: white;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  padding: 16px 32px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 8px;
}

.submit-btn:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 108, 255, 0.3);
}

.submit-btn .btn-icon {
  transition: transform 0.3s ease;
}

.submit-btn:hover .btn-icon {
  transform: translateX(4px);
}

/* Success Message */
.success-message {
  display: none;
  text-align: center;
  max-width: 520px;
  margin: 0 auto;
  padding: 48px 32px;
  background: var(--bg-card);
  border: 1px solid var(--success);
  border-radius: 16px;
}

.success-message.show {
  display: block;
  animation: fadeUp 0.5s ease;
}

.success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.success-message h3 {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: var(--success);
}

.success-message p {
  color: var(--text-secondary);
  font-size: 1rem;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* === Footer === */
.footer {
  padding: 60px 24px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer-text {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.footer-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* === Mobile === */
@media (max-width: 640px) {
  .hero {
    min-height: auto;
    padding: 100px 24px 80px;
  }

  .hero-stats {
    gap: 16px;
  }

  .stat-number {
    font-size: 2.2rem;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-marker {
    width: 42px;
  }

  .day-badge {
    font-size: 0.6rem;
    padding: 4px 8px;
  }

  .bring-grid {
    grid-template-columns: 1fr;
  }

  .expect, .format, .bring, .register {
    padding: 80px 24px;
  }
}