:root {
  --primary: #4F46E5;
  --primary-hover: #4338ca;
  --bg-color: #0f172a;
  --bg-surface: rgba(30, 41, 59, 0.7);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: rgba(255, 255, 255, 0.1);
  --glass-bg: rgba(15, 23, 42, 0.7);
  --glass-border: rgba(255, 255, 255, 0.05);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Glassmorphism Utilities */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
}

.glass-card {
  background: var(--bg-surface);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px -10px rgba(79, 70, 229, 0.3);
  border-color: rgba(79, 70, 229, 0.5);
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }

p { margin-bottom: 1rem; color: var(--text-muted); }

.gradient-text {
  background: linear-gradient(135deg, #a5b4fc 0%, #6366f1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.2s ease;
  font-size: 0.95rem;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Main Content area */
main {
  flex: 1;
  padding-top: 100px; /* offset for fixed nav */
  padding-bottom: 4rem;
}

/* Hero Section */
.hero {
  min-height: calc(100vh - 100px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.hero-content {
  max-width: 800px;
}

.hero-subtitle {
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: block;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

/* Timelines / Cards */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline-item {
  padding-left: 3rem;
  position: relative;
  margin-bottom: 3rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 2px;
  background: var(--border-color);
}

.timeline-dot {
  position: absolute;
  left: -5px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px var(--bg-color);
}

.date-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(79, 70, 229, 0.1);
  color: #a5b4fc;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* Grids */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

/* Badges */
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.badge {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 1rem;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: white;
  font-family: 'Inter', sans-serif;
  transition: border-color 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Animations */
.fade-in {
  animation: fadeIn 0.8s ease forwards;
  opacity: 0;
  transform: translateY(20px);
}

@keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  .nav-links { display: none; /* simple mobile approach */ }
  .hero-actions { flex-direction: column; }
}
