:root {
  --primary: #0f172a;
  --secondary: #1e293b;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --bg-main: #020617;
  --bg-card: #0f172a;
  --border: #1e293b;
  --success: #10b981;
  --error: #ef4444;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-weight: 700;
  color: var(--text-main);
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

/* Glassmorphism Classes */
.glass {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.glass-card {
  background: rgba(30, 41, 59, 0.5);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px -10px rgba(59, 130, 246, 0.3);
  border-color: var(--accent);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.8s ease-out forwards;
}

/* Reuseable Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--border);
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--accent);
  background-color: rgba(59, 130, 246, 0.1);
}

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

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(to right, #60a5fa, #3b82f6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a:hover {
  color: var(--accent);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 2rem 4rem;
  text-align: center;
}

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

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}

/* Footer */
footer {
  background-color: var(--primary);
  padding: 4rem 2rem;
  margin-top: 4rem;
  border-top: 1px solid var(--border);
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
}

.footer-section h4 {
  margin-bottom: 1.5rem;
}

.footer-section p, .footer-section a {
  color: var(--text-muted);
  font-size: 0.9rem;
  display: block;
  margin-bottom: 0.75rem;
}

.footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}