/* ========================================
   CubicZo — Responsive Breakpoints
   ======================================== */

/* ---------- Tablet: max-width 1024px ---------- */
@media (max-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .feature-highlight {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .feature-highlight.reverse {
    direction: ltr;
  }

  .product-hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .roadmap::before {
    left: 24px;
  }

  .roadmap-item,
  .roadmap-item:nth-child(even) {
    flex-direction: column;
    padding-left: 56px;
  }

  .roadmap-dot {
    left: 24px;
  }

  .roadmap-year {
    text-align: left;
  }

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

  .comparison-table {
    font-size: 0.8rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 10px 12px;
  }
}

/* ---------- Mobile: max-width 768px ---------- */
@media (max-width: 768px) {
  :root {
    --section-padding: 80px 0;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 40px;
    gap: 4px;
    box-shadow: -10px 0 40px rgba(0,0,0,0.1);
    transition: right var(--transition-slow);
    z-index: var(--z-overlay);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    color: var(--neutral-700) !important;
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
  }

  .nav-links a:hover,
  .nav-links a.active {
    background: var(--neutral-100) !important;
    color: var(--neutral-900) !important;
  }

  .header-cta {
    margin-left: 0;
    margin-top: 16px;
    width: 100%;
  }

  .header-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .mobile-toggle {
    display: flex;
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.4);
    z-index: calc(var(--z-overlay) - 1);
  }

  .mobile-overlay.active {
    display: block;
  }

  .hero {
    padding: 120px 0 60px;
    min-height: auto;
  }

  .hero h1 {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }

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

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

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

  .hero-visual {
    grid-template-columns: 1fr;
    gap: 12px;
  }

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

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

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

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

  .cta-section {
    padding: 60px 0;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .page-hero {
    padding: 120px 0 60px;
  }

  .contact-form-wrapper {
    padding: 28px;
  }

  .install-steps {
    grid-template-columns: 1fr;
  }

  .benefits-list {
    grid-template-columns: 1fr;
  }

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

  .comparison-table {
    display: block;
    overflow-x: auto;
  }

  .stats-row {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .stat-item h3 {
    font-size: 1.8rem;
  }

  .arch-diagram {
    padding: 24px;
    overflow-x: auto;
  }

  .arch-row {
    flex-wrap: wrap;
    gap: 8px;
  }

  .arch-box {
    min-width: 100px;
    padding: 8px 16px;
    font-size: 0.75rem;
  }
}

/* ---------- Small Mobile: max-width 480px ---------- */
@media (max-width: 480px) {
  :root {
    --section-padding: 60px 0;
  }

  .container {
    padding: 0 16px;
  }

  h1 {
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.5rem;
  }

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

  .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }

  .btn-lg {
    padding: 14px 28px;
    font-size: 0.95rem;
  }

  .card {
    padding: 24px;
  }

  .stats-row {
    grid-template-columns: 1fr;
  }
}