/* ============================================
   Responsive Styles
   ============================================ */

/* Large Desktop */
@media (max-width: 1200px) {
  .container {
    max-width: 1000px;
  }
  
  h1 { font-size: 3rem; }
  h2 { font-size: 2.25rem; }
}

/* Tablet Landscape */
@media (max-width: 992px) {
  .container {
    max-width: 800px;
  }
  
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablet Portrait */
@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.5rem; }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .nav-links {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    border-bottom: 1px solid var(--glass-border);
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .cta-actions {
    flex-direction: column;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
  
  .courses-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile */
@media (max-width: 576px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  
  .hero-stats {
    grid-template-columns: 1fr;
  }
  
  .features-grid,
  .testimonials-slider {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .logo-text {
    display: none;
  }
}

/* Small Mobile */
@media (max-width: 400px) {
  .hero-title {
    font-size: 1.75rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .btn-lg, .btn-xl {
    padding: var(--space-md);
    font-size: 1rem;
  }
}