/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(18, 18, 18, 0.95);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.3);
  padding: var(--space-16) 0;
}

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

.logo h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-primary);
}

.tagline {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.nav ul {
  display: flex;
  gap: var(--space-24);
}

.nav a {
  position: relative;
  font-weight: 500;
  padding: var(--space-4) 0;
  transition: color var(--transition-normal);
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
}

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

.nav a:hover::after, .nav a.active::after {
  width: 100%;
}

/* Hero Section */
.hero {
  padding: 180px 0 100px;
  background: linear-gradient(to bottom, rgba(18, 18, 18, 0.9), rgba(18, 18, 18, 0.98)), 
              url('https://images.pexels.com/photos/260922/pexels-photo-260922.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=2') center/cover no-repeat;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h2 {
  font-size: 3rem;
  margin-bottom: var(--space-16);
  color: var(--color-text-primary);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: var(--space-32);
  color: var(--color-text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: var(--space-16);
  }
  
  .nav ul {
    gap: var(--space-16);
  }
  
  .hero {
    padding: 150px 0 80px;
  }
  
  .hero h2 {
    font-size: 2.25rem;
  }
  
  .hero p {
    font-size: 1.125rem;
  }
}

@media (max-width: 480px) {
  .nav ul {
    gap: var(--space-8);
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .hero h2 {
    font-size: 1.75rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
}