:root {
  /* Colors - Modern Dark Theme */
  --bg-color: #0d0d12;
  --text-color: #e0e0e0;
  --primary-color: #6c5ce7;
  --secondary-color: #a29bfe;
  --accent-color: #00cec9;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --card-bg: #16161e;

  /* Typography */
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;

  /* Transitions */
  --transition-speed: 0.3s;
}

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

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-speed);
}

ul {
  list-style: none;
}

/* Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-speed);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(108, 92, 231, 0.4);
}

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

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

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-md) 0;
  background: rgba(13, 13, 18, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--glass-border);
}

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

.logo img {
  height: 60px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-links a {
  font-weight: 500;
  opacity: 0.8;
}

.nav-links a:hover {
  opacity: 1;
  color: var(--primary-color);
}

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background: linear-gradient(rgba(13, 13, 18, 0.7), rgba(13, 13, 18, 0.8)), url('../assets/hero-bg.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero-content h1 {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(to right, #fff, #a29bfe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.8;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Features/About */
.section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: var(--spacing-xl);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.card {
  background: var(--card-bg);
  padding: var(--spacing-lg);
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  transition: transform var(--transition-speed);
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
}

.card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--secondary-color);
}

/* Legal Pages */
.legal-content {
  padding-top: 120px;
  /* Space for fixed header */
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h1 {
  margin-bottom: var(--spacing-lg);
  font-size: 2.5rem;
}

.legal-content h2 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  color: var(--secondary-color);
}

.legal-content p {
  margin-bottom: var(--spacing-md);
  color: #ccc;
}

.legal-content ul {
  list-style: disc;
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  color: #ccc;
}

/* Footer */
footer {
  padding: var(--spacing-lg) 0;
  text-align: center;
  border-top: 1px solid var(--glass-border);
  margin-top: var(--spacing-xl);
  color: #888;
}

.footer-links {
  margin-top: var(--spacing-sm);
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

.footer-links a {
  font-size: 0.9rem;
}

.footer-links a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.5rem;
  }

  .nav-links {
    display: none;
    /* simple implementation, can be enhanced with JS */
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-color);
    flex-direction: column;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--glass-border);
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }
}