/* ==========================================================================
   VARDHANS GROUP OF LOGISTICS (VGL) — RESPONSIVE DESIGN RULES
   ========================================================================== */

/* --------------------------------------------------------------------------
   LARGE DESKTOPS (1440px+)
   -------------------------------------------------------------------------- */
@media (min-width: 1440px) {
  .hero-headline {
    font-size: 4.6rem;
  }
  .container {
    max-width: 1400px;
  }
  .hero-3d-viewport {
    width: 62%;
  }
}

/* --------------------------------------------------------------------------
   STANDARD LAPTOPS & DESKTOPS (1024px to 1439px)
   -------------------------------------------------------------------------- */
@media (max-width: 1399px) {
  .services-grid, .industries-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-top-grid {
    grid-template-columns: 2fr repeat(3, 1fr) 1.5fr;
  }
  .hero-3d-viewport {
    width: 55%;
    opacity: 0.9;
  }
  .process-steps-grid {
    gap: 0.5rem;
  }
}

@media (max-width: 1199px) {
  .services-grid, .industries-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pillars-grid, .jobs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .network-container {
    grid-template-columns: 1fr;
  }
  .network-map-viewport {
    height: 480px;
  }
  .fleet-display-grid {
    grid-template-columns: 1fr;
  }
  .fleet-3d-stage {
    height: 380px;
  }
  .calculator-box {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .footer-top-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
  .hero-3d-viewport {
    width: 50%;
  }
}

/* --------------------------------------------------------------------------
   TABLETS (768px to 1023px)
   -------------------------------------------------------------------------- */
@media (max-width: 1023px) {
  :root {
    --header-height: 74px;
    --header-height-scrolled: 64px;
  }

  .nav-menu {
    display: none; /* Handled via mobile drawer */
  }

  .mobile-toggle {
    display: block;
  }

  .header-actions .btn-quote-desktop,
  .header-actions .btn-app-desktop {
    display: none;
  }

  .hero-section {
    min-height: auto;
    padding-top: calc(var(--header-height) + 3rem);
    padding-bottom: 4rem;
    flex-direction: column;
    text-align: left;
  }

  .hero-3d-viewport {
    position: relative;
    width: 100%;
    height: 420px;
    margin-top: 2rem;
  }

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

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

  /* Process changes from horizontal to stepped grid */
  .process-track-line {
    display: none;
  }

  .process-steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .process-step-item {
    align-items: flex-start;
    text-align: left;
    background: var(--glass-bg-panel);
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    border-radius: var(--radius-md);
  }

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

  .journey-milestones {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 2rem;
  }

  .journey-step::before {
    display: none;
  }

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

/* --------------------------------------------------------------------------
   MOBILE DEVICES (Under 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 767px) {
  :root {
    --header-height: 68px;
    --header-height-scrolled: 60px;
  }

  .container, .container-wide {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .brand-logo-img {
    height: 38px;
    max-width: 170px;
  }

  .section {
    padding: 4.5rem 0;
  }

  .section-title {
    font-size: 2rem;
  }

  .hero-headline {
    font-size: 2.4rem;
  }

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

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .hero-3d-viewport {
    height: 320px;
  }

  .hud-telemetry-badge {
    display: none; /* Hide floating HUD tags on small screens for visual cleanliness */
  }

  .quick-actions-bar {
    margin-top: -1.5rem;
  }

  .quick-actions-grid {
    grid-template-columns: 1fr;
    padding: 1rem;
    gap: 0.75rem;
  }

  .quick-action-card {
    padding: 0.9rem 1.1rem;
  }

  .trust-metrics-strip {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .compliance-strip {
    gap: 1.5rem;
    flex-direction: column;
    align-items: flex-start;
  }

  .services-grid, .industries-grid, .pillars-grid, .jobs-grid, .tech-command-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

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

  .network-map-viewport {
    height: 380px;
  }

  .journey-milestones {
    grid-template-columns: 1fr;
    align-items: flex-start;
    text-align: left;
    gap: 1.25rem;
  }

  .journey-step {
    flex-direction: row;
    gap: 1rem;
    align-items: center;
    text-align: left;
  }

  .journey-dot {
    margin-bottom: 0;
  }

  .shipment-details-card {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .tracker-search-bar {
    flex-direction: column;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

/* --------------------------------------------------------------------------
   FULLSCREEN MOBILE NAVIGATION DRAWER
   -------------------------------------------------------------------------- */
.mobile-nav-drawer {
  position: fixed;
  inset: 0;
  background: rgba(5, 10, 20, 0.98);
  backdrop-filter: blur(24px);
  z-index: 1500;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  padding: 2rem 1.5rem;
  overflow-y: auto;
}

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

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--glass-border);
}

.drawer-close {
  background: transparent;
  border: none;
  color: var(--vgl-white);
  padding: 0.5rem;
  cursor: pointer;
}

.drawer-links-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  list-style: none;
  margin-bottom: 2.5rem;
}

.drawer-link {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--vgl-gray-200);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color var(--transition-fast);
}

.drawer-link:hover, .drawer-link:active {
  color: var(--vgl-orange-400);
}

.drawer-ctas {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: auto;
}

@media (max-width: 767px) {
  .floating-contact-dock {
    bottom: 20px;
    right: 20px;
    gap: 12px;
  }
  .dock-btn {
    width: 50px;
    height: 50px;
  }
  .dock-btn svg {
    width: 24px;
    height: 24px;
  }
  .dock-tooltip {
    display: none;
  }
  .about-hero-image {
    height: 280px;
  }
  .about-floating-telemetry {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
    padding: 1rem;
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
  }
}