/* ==========================================================================
   KineticTwin AI — Responsive Rules & Layout Breakpoints
   Tested: 375px, 390px, 430px, 768px, 820px, 1024px, 1280px, 1440px, 1920px
   ========================================================================== */

/* Large Desktops (1440px+) */
@media (min-width: 1440px) {
  .hero-visual-wrapper {
    min-height: 600px;
  }
}

/* Standard Laptops & Tablets Landscape (<= 1024px) */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .footer-brand {
    grid-column: span 2;
  }

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

  .body-explorer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .dashboard-body-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-sidebar-left,
  .dashboard-sidebar-right {
    border: none;
    border-top: 1px solid var(--border-light);
  }
}

/* Tablets Portrait (<= 768px) */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--bg-pure);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    border-top: 1px solid var(--border-light);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    z-index: 999;
    overflow-y: auto;
  }

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

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

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

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

  .timeline-legend {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

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

  .footer-brand {
    grid-column: span 1;
  }

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

  .hero-visual-wrapper {
    min-height: 420px;
  }
}

/* Mobile Small (<= 480px) */
@media (max-width: 480px) {
  .recovery-days-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .btn-lg {
    width: 100%;
  }

  .header-actions .btn {
    display: none;
  }

  .twin-controls-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .twin-control-group {
    justify-content: center;
  }
}