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

:root {
  --primary: #60a5fa;
  --dark: #0b1220;
  --darker: #050a14;
  --nav-bg: rgba(11, 18, 32, 0.95);
  --border: #1f2937;
  --text: #f3f4f6;
  --muted: #9ca3af;
  --gold: #fbbf24;
  --success: #10b981;
}

body {
  margin: 0;
  background: var(--dark);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  overflow-x: hidden;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: var(--nav-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}

.logo-container i {
  font-size: 2rem;
  color: var(--gold);
}

.logo-text {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.3s;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.btn-signin {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 20px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s;
}

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

.btn-register {
  background: var(--primary);
  color: white;
  padding: 8px 20px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s;
}

.btn-register:hover {
  background: #3b82f6;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(96, 165, 250, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
  .navbar {
    padding: 0 20px;
  }

  .nav-links {
    display: none;
  }
}