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

@media (max-width: 1024px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }

  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }

  .hero h1 { font-size: 2.8rem; }
  .hero-stats { gap: 2rem; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .service-detail {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .service-detail:nth-child(even) {
    direction: ltr;
  }

  .book-showcase {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .book-cover {
    display: flex;
    justify-content: center;
  }

  .book-cover-img {
    max-width: 250px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.7rem; }
  h3 { font-size: 1.4rem; }

  .section { padding: 4rem 0; }
  .container { padding: 0 1.25rem; }

  /* Mobile Nav */
  .nav-links,
  .nav-actions .btn {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .nav.open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    gap: 1rem;
    border-top: 1px solid var(--border);
  }

  .nav.open .nav-links a {
    font-size: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
  }

  /* Hero */
  .hero {
    min-height: 70vh;
    padding: 3rem 0;
  }

  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1rem; }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
  }

  .hero-image {
    display: none;
  }

  /* Grids */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  /* Cards */
  .card { padding: 1.75rem; }

  /* Stats */
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .stat-number { font-size: 2.2rem; }

  /* Forms */
  .form-row {
    grid-template-columns: 1fr;
  }

  .filter-bar {
    flex-direction: column;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  /* Page Header */
  .page-header {
    padding: 6rem 0 3rem;
  }

  .page-header h1 { font-size: 2rem; }

  /* CTA */
  .cta-banner { padding: 3rem 0; }
  .cta-buttons { flex-direction: column; align-items: center; }

  /* Cookie */
  .cookie-banner {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  /* Deal cards */
  .deal-card-meta {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.7rem; }
  .hero h1 { font-size: 1.8rem; }
  .stat-number { font-size: 1.8rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .hero-stat .number { font-size: 2rem; }
}