/**
 * Responsive CSS - Breakpoints for 1024px, 768px, 480px, 320px
 * Mobile Navigation Drawer, Fluid Grids, Touch Accessibility
 */

/* Mobile Drawer Styles */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 82%;
  max-width: 320px;
  background-color: var(--surface-color);
  border-right: 1px solid var(--border-color);
  z-index: 9999;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transform: translateX(-100%);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
}

.mobile-nav-drawer.open {
  transform: translateX(0);
}

.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(2px);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.drawer-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.drawer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.drawer-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-color);
  border-radius: var(--radius-sm);
  min-height: 44px;
}

.drawer-link:hover, .drawer-link.active {
  background-color: var(--primary-light);
  color: var(--primary-color);
}

/* 1024px (Laptops & Tablets Landscape) */
@media (max-width: 1024px) {
  .layout-with-sidebar {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .sidebar {
    position: static;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
  }

  .featured-layout {
    grid-template-columns: 1fr;
  }

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

/* 768px (Tablets Portrait & Large Phones) */
@media (max-width: 768px) {
  .site-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .hero-title {
    font-size: 2.1rem;
  }

  .hero-lead {
    font-size: 1.05rem;
  }

  .article-title {
    font-size: 2.1rem;
  }

  .article-body {
    font-size: 1.05rem;
    line-height: 1.7;
  }

  .pros-cons-grid {
    grid-template-columns: 1fr;
  }

  .author-bio-box {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .horizontal-card {
    grid-template-columns: 1fr;
  }

  .horizontal-card .card-image-wrap {
    aspect-ratio: 16 / 9;
  }

  .horizontal-card .card-body {
    padding: 1rem;
  }

  .newsletter-form {
    flex-direction: column;
  }
}

/* 480px (Mobile phones) */
@media (max-width: 480px) {
  .site-container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .cards-grid, .tools-grid {
    grid-template-columns: 1fr;
  }

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

  .step-card {
    flex-direction: column;
  }

  .article-byline {
    flex-direction: column;
    align-items: flex-start;
  }

  .article-tools-bar {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
  }
}