/* ==========================================================================
   Vwish Technologies - Ultra-Clean Mobile Responsive Stylesheet
   Breakpoints: 1200px, 992px, 768px, 576px, 480px, 360px
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Large Desktop & Laptops (1024px to 1200px)
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .timeline-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
}

/* --------------------------------------------------------------------------
   2. Tablets & Small Laptops (768px to 992px)
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .section {
    padding: 64px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .hero-title {
    font-size: 2.6rem;
  }

  .page-hero-title {
    font-size: 2.4rem;
  }

  /* Navigation Drawer Toggle */
  .nav {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .mobile-cta-item {
    display: block;
  }

  /* Fullscreen Mobile Navigation Drawer */
  .nav.mobile-active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-bg-canvas);
    padding: 24px;
    overflow-y: auto;
    z-index: 999;
    align-items: stretch;
    border-top: 1px solid var(--color-border);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .nav-link {
    padding: 14px 16px;
    font-size: 16px;
    justify-content: space-between;
  }

  .mega-menu {
    position: static;
    transform: none !important;
    width: 100%;
    box-shadow: none;
    border: 1px solid var(--color-border);
    margin-top: 8px;
    display: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    padding: 16px;
  }

  .nav-item.open .mega-menu {
    display: block;
  }

  .mega-menu-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .strip-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .content-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .sidebar-card {
    position: static;
  }

  .meta-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

/* --------------------------------------------------------------------------
   3. Large Mobile & Small Tablets (576px to 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .section {
    padding: 52px 0;
  }

  .section-title {
    font-size: 1.85rem;
    line-height: 1.25;
  }

  .hero {
    padding: 48px 0 40px 0;
  }

  .hero-title {
    font-size: 2.15rem;
    line-height: 1.2;
    margin-bottom: 18px;
  }

  .hero-lead {
    font-size: 1.08rem;
    margin-bottom: 24px;
  }

  .courses-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .timeline-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .strip-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .hero-highlights {
    grid-template-columns: 1fr;
    gap: 12px;
    padding-top: 20px;
  }

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

  .form-group.full-width {
    grid-column: span 1;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .page-hero {
    padding: 48px 0 36px 0;
  }

  .page-hero-title {
    font-size: 2.05rem;
  }

  .page-hero-subtitle {
    font-size: 1.05rem;
  }
}

/* --------------------------------------------------------------------------
   4. Compact Smartphones & Mobile (Under 576px down to 320px)
   -------------------------------------------------------------------------- */
@media (max-width: 576px) {
  .container {
    padding: 0 16px;
  }

  /* Header Optimization */
  .header-container {
    padding: 0;
  }

  .logo {
    gap: 8px;
  }

  .logo-img {
    height: 44px;
    max-width: 180px;
  }

  .header .btn-sm {
    display: none; /* Hide top desktop button on narrow mobile screens so header stays clean */
  }

  /* Hero Section Mobile Polish */
  .hero-badge-group {
    gap: 6px;
    margin-bottom: 16px;
  }

  .hero-tag {
    font-size: 11.5px;
    padding: 4px 8px;
  }

  .hero-title {
    font-size: 1.8rem;
    line-height: 1.22;
  }

  .hero-lead {
    font-size: 1rem;
    line-height: 1.55;
    margin-bottom: 20px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    width: 100%;
    margin-bottom: 28px;
  }

  .btn {
    width: 100%;
    padding: 12px 18px;
    font-size: 14px;
    justify-content: center;
  }

  /* Hero Highlights Cards */
  .hero-highlights {
    grid-template-columns: 1fr;
    gap: 10px;
    padding-top: 20px;
  }

  .hero-highlight-item {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 12px 14px;
    border-radius: var(--radius-sm);
  }

  .hero-highlight-val {
    font-size: 1rem;
  }

  .hero-highlight-lbl {
    font-size: 12px;
  }

  /* Visualizer Workbench Mobile Polish */
  .hero-visual {
    padding: 0;
  }

  .visual-topbar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
  }

  .visual-tabs {
    width: auto;
  }

  .visual-tab {
    padding: 4px 8px;
    font-size: 11px;
  }

  .visual-body {
    padding: 14px;
  }

  .arch-node {
    padding: 10px;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
  }

  .arch-node-name {
    font-size: 12.5px;
  }

  .arch-node-desc {
    font-size: 10.5px;
  }

  .arch-status {
    font-size: 10px;
    padding: 2px 6px;
  }

  .code-block {
    font-size: 11px;
    padding: 12px 10px;
    height: 250px;
    line-height: 1.5;
  }

  /* Positioning Strip */
  .strip {
    padding: 24px 0;
  }

  .strip-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .strip-item {
    padding-left: 10px;
    border-left-width: 2px;
  }

  .strip-title {
    font-size: 13.5px;
  }

  .strip-desc {
    font-size: 11.5px;
  }

  /* Course Cards Mobile */
  .course-card {
    padding: 20px 16px;
  }

  .course-title {
    font-size: 1.25rem;
  }

  .course-desc {
    font-size: 13.5px;
  }

  /* Timeline Cards Mobile */
  .timeline-card {
    padding: 20px 16px;
  }

  .timeline-step {
    font-size: 2rem;
    margin-bottom: 8px;
  }

  .timeline-title {
    font-size: 1.15rem;
  }

  /* Form Section Mobile */
  .consultation-form {
    gap: 14px;
  }

  .form-input, .form-select, .form-textarea {
    padding: 10px 12px;
    font-size: 14px;
  }

  /* Meta Grid */
  .meta-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 16px;
  }

  .meta-box {
    background-color: rgba(255, 255, 255, 0.04);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
  }

  /* Mobile Testimonial Marquee Adjustments */
  .testimonial-card {
    width: 290px;
    padding: 18px 16px;
  }

  .testimonial-quote {
    font-size: 13.5px;
    line-height: 1.55;
    margin-bottom: 16px;
  }

  /* About Page Inline Grid Overrides on Mobile */
  .courses-grid[style*="grid-template-columns"],
  .content-grid[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  /* Modal Adjustments */
  .modal-overlay {
    padding: 12px;
  }

  .modal-container {
    padding: 24px 16px;
    max-height: 92vh;
    overflow-y: auto;
  }
}