/* ==========================================================================
   GlobexSky Platform — Responsive Stylesheet
   Mobile-first breakpoint system with full layout adaptation
   ========================================================================== */

/**
 * Breakpoint reference:
 *   xs  —  0px      (default, mobile-first base)
 *   sm  —  480px    (large mobile / small phones landscape)
 *   md  —  768px    (tablet portrait)
 *   lg  —  1024px   (tablet landscape / small desktop)
 *   xl  —  1280px   (desktop)
 *   2xl —  1440px   (large desktop / widescreen)
 */

/* ==========================================================================
   1. Base (Mobile-First Defaults — 0px+)
   Everything below applies at all screen sizes and is overridden upward.
   ========================================================================== */

/* --- Layout --- */
.container {
  width: 100%;
  padding-inline: 1rem;
}

/* Single-column everything by default */
.grid-2,
.grid-3,
.grid-4,
.grid-auto {
  grid-template-columns: 1fr;
}

/* --- Navigation --- */
.navbar-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(10, 14, 39, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 300;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 2rem;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-nav.open {
  display: flex;
  transform: translateX(0);
}

.navbar-toggle {
  display: flex;
}

.nav-link {
  font-size: 1.25rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  padding: 0.75rem 1.5rem;
  width: 100%;
  text-align: center;
  border-radius: 0.75rem;
}

.nav-link:hover,
.nav-link.active {
  background-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.nav-link::after { display: none; }

/* Nav dropdown resets on mobile */
.nav-dropdown-menu {
  position: static;
  transform: none;
  opacity: 1;
  visibility: visible;
  box-shadow: none;
  border: none;
  background: none;
  padding: 0;
  display: none;
}

.nav-dropdown.open .nav-dropdown-menu { display: flex; flex-direction: column; }

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

/* Show only essential actions on mobile */
.navbar-actions .cart-icon,
.navbar-actions .btn-icon {
  display: flex;
}

/* --- Hero --- */
.hero-inner {
  grid-template-columns: 1fr;
  padding-block: 4rem;
  gap: 2rem;
  text-align: center;
}

.hero-visual {
  display: none;
}

.hero-cta {
  justify-content: center;
}

.hero-stats {
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.hero-eyebrow {
  justify-content: center;
}

/* --- Product Grid --- */
.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

/* --- Supplier Grid --- */
.supplier-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

/* --- Pricing Grid --- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

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

.footer-legal {
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* --- Admin Sidebar (hidden off-screen on mobile) --- */
.sidebar {
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 400;
}

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

/* Overlay behind open sidebar on mobile */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(10, 14, 39, 0.55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  z-index: 399;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.sidebar-overlay.visible {
  display: block;
  opacity: 1;
}

/* Admin content takes full width on mobile */
.admin-content {
  margin-left: 0 !important;
}

.admin-topbar {
  padding-inline: 1rem;
}

.admin-main {
  padding: 1rem;
}

/* --- Table --- */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* Hide non-essential table columns on mobile */
.table .col-hide-mobile {
  display: none;
}

/* --- Step Indicator (stack on mobile) --- */
.steps {
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.steps::before { display: none; }

.step-item {
  flex-direction: row;
  width: 100%;
  gap: 1rem;
  padding-bottom: 1.5rem;
  position: relative;
}

.step-item::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 40px;
  bottom: 0;
  width: 2px;
  background-color: var(--light-tertiary, #DDE2EE);
}

.step-item:last-child::before { display: none; }

.step-item.completed::before {
  background: var(--gradient-primary, linear-gradient(135deg, #0052CC 0%, #00C9A7 100%));
}

.step-label {
  text-align: left;
  line-height: 1.4;
  padding-top: 0.5rem;
}

/* --- Quick-view modal grid --- */
.quick-view-grid {
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

/* --- FAB positioning on mobile --- */
.fab {
  bottom: calc(4rem + 1rem); /* above bottom nav bar */
  right: 1rem;
}

/* --- Door animation size on mobile --- */
.door-brand-logo {
  width: 56px;
  height: 56px;
  border-radius: 16px;
}

.door-brand-text { font-size: 1.125rem; }
.door-progress { width: 140px; }

/* --- Stat cards --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

/* --- Mobile bottom navigation bar --- */
.bottom-nav {
  display: flex;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background-color: var(--white, #ffffff);
  border-top: 1px solid var(--light-secondary, #E8ECF4);
  z-index: 200;
  box-shadow: 0 -4px 16px rgba(10, 14, 39, 0.08);
}

.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: #9CA3AF;
  font-size: 0.65rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.15s ease;
  text-decoration: none;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.bottom-nav-item.active {
  color: var(--primary, #0052CC);
}

.bottom-nav-item i {
  font-size: 1.125rem;
  line-height: 1;
}

/* Push main content up above bottom nav on mobile */
body.has-bottom-nav .admin-main,
body.has-bottom-nav .page-content {
  padding-bottom: calc(64px + 1rem);
}

/* --- Pagination compact on mobile --- */
.pagination .pagination-btn:not(.pagination-btn-prev):not(.pagination-btn-next):not(.active) {
  display: none;
}

/* ==========================================================================
   2. Small Mobile and Up — sm: 480px+
   ========================================================================== */

@media (min-width: 480px) {

  /* Container */
  .container {
    padding-inline: 1.25rem;
  }

  /* Product grid — 2 columns */
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Supplier grid — 2 columns */
  .supplier-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Stats grid — 2 columns */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Pricing — still single column, cards are wider */
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin-inline: auto;
  }

  /* Pagination — show all buttons */
  .pagination .pagination-btn {
    display: flex;
  }

  /* Hero title sizing */
  .hero-title { font-size: 2rem; }

  /* Footer — 2-column layout */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Toast containers adjust */
  .toast-container.top-right    { top: 1rem; right: 1rem; }
  .toast-container.bottom-right { bottom: 1rem; right: 1rem; }

  /* Door */
  .door-brand-logo { width: 64px; height: 64px; }
  .door-brand-text { font-size: 1.25rem; }
}

/* ==========================================================================
   3. Tablet Portrait and Up — md: 768px+
   ========================================================================== */

@media (min-width: 768px) {

  /* Container */
  .container {
    padding-inline: 1.5rem;
  }

  /* Remove bottom nav */
  .bottom-nav { display: none; }
  body.has-bottom-nav .admin-main,
  body.has-bottom-nav .page-content {
    padding-bottom: inherit;
  }

  /* --- Navbar: switch from hamburger to inline links --- */
  .navbar-nav {
    display: flex;
    position: static;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 0.25rem;
    padding: 0;
    transform: none;
    overflow: visible;
    flex: 1;
  }

  .navbar-toggle { display: none; }

  .nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
    padding: 0.5rem 0.75rem;
    width: auto;
    text-align: left;
  }

  .nav-link::after { display: block; }

  .nav-dropdown-menu {
    position: absolute;
    transform: translateX(-50%) translateY(-8px);
    opacity: 0;
    visibility: hidden;
    display: block;
    box-shadow: var(--shadow-xl, 0 20px 50px rgba(10, 14, 39, 0.16));
    border: 1px solid var(--light-tertiary, #DDE2EE);
    background: white;
    padding: 0.5rem;
  }

  .navbar-actions .btn {
    display: inline-flex;
  }

  /* --- Hero: 2-column layout --- */
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    text-align: left;
    padding-block: 5rem;
    gap: 3rem;
  }

  .hero-visual { display: flex; }
  .hero-cta { justify-content: flex-start; }
  .hero-stats { justify-content: flex-start; }
  .hero-eyebrow { justify-content: flex-start; }
  .hero-title { font-size: clamp(2rem, 4vw, 3rem); }

  /* --- Product grid — 2 columns on tablet --- */
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  /* --- Supplier grid — 2 columns --- */
  .supplier-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* --- Pricing — 2 columns --- */
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: none;
    margin-inline: 0;
  }

  /* --- Stats grid — 4 columns --- */
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* --- Footer — 2 columns (brand takes full width, others share row) --- */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-brand-col {
    grid-column: 1 / -1;
  }

  /* --- Steps: row layout again --- */
  .steps {
    flex-direction: row;
    align-items: flex-start;
    gap: 0;
  }

  .steps::before { display: block; }

  .step-item {
    flex-direction: column;
    align-items: center;
    padding-bottom: 0;
  }

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

  .step-label { text-align: center; }

  /* --- Quick-view modal grid --- */
  .quick-view-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* --- Table: show all columns --- */
  .table .col-hide-mobile {
    display: table-cell;
  }

  /* --- Modal: better sizing --- */
  .modal {
    max-width: 560px;
    max-height: 85vh;
  }

  /* --- Door sizing on tablet --- */
  .door-brand-logo { width: 72px; height: 72px; }
  .door-brand-text { font-size: 1.5rem; }
  .door-progress { width: 160px; }

  /* --- FAB reposition --- */
  .fab {
    bottom: 2rem;
    right: 2rem;
  }

  /* --- Form side-by-side layout helper --- */
  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .form-row-3 {
    grid-template-columns: 1fr 1fr 1fr;
  }

  /* --- Toast positioning adjustment --- */
  .toast-container.top-right    { top: 1.5rem; right: 1.5rem; }
  .toast-container.bottom-right { bottom: 1.5rem; right: 1.5rem; }
}

/* ==========================================================================
   4. Tablet Landscape / Small Desktop — lg: 1024px+
   ========================================================================== */

@media (min-width: 1024px) {

  /* Container */
  .container {
    padding-inline: 2rem;
  }

  /* --- Admin sidebar: always visible, no overlay needed --- */
  .sidebar {
    transform: translateX(0);
    position: fixed;
  }

  .sidebar-overlay { display: none !important; }

  .admin-content {
    margin-left: var(--sidebar-width, 260px) !important;
  }

  .admin-content.sidebar-mini-active {
    margin-left: var(--sidebar-width-mini, 72px) !important;
  }

  .admin-main {
    padding: 1.5rem;
  }

  /* --- Product grid — 3 columns --- */
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  /* --- Supplier grid — 3 columns --- */
  .supplier-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* --- Pricing — 3 columns --- */
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* --- Footer — 3 columns (brand col wider) --- */
  .footer-grid {
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 3rem;
  }

  .footer-brand-col {
    grid-column: auto;
  }

  /* --- Hero typography --- */
  .hero-title {
    font-size: clamp(2.5rem, 3.5vw, 3.5rem);
  }

  /* --- Grid utilities restored --- */
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  /* --- Navbar: full dropdown support --- */
  .navbar-nav { gap: 0.25rem; }

  /* --- Section padding upgrade --- */
  .section { padding-block: 5rem; }
  .section-lg { padding-block: clamp(5rem, 8vw, 6rem); }

  /* --- Door at full size --- */
  .door-brand-logo { width: 80px; height: 80px; border-radius: 24px; }
  .door-brand-text { font-size: 1.75rem; }
  .door-progress { width: 180px; }

  /* --- Collapsible sidebar on tablet landscape --- */
  .sidebar.sidebar-collapsible {
    width: var(--sidebar-width, 260px);
    transform: translateX(0);
  }

  .sidebar.sidebar-collapsible.collapsed {
    width: var(--sidebar-width-mini, 72px);
  }
}

/* ==========================================================================
   5. Desktop — xl: 1280px+
   ========================================================================== */

@media (min-width: 1280px) {

  /* Container max-width upgrade */
  .container {
    max-width: var(--container-xl, 1280px);
    margin-inline: auto;
    padding-inline: 2rem;
  }

  /* --- Product grid — 4 columns --- */
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

  /* --- Supplier grid — 4 columns --- */
  .supplier-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* --- Grid utilities full --- */
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .grid-auto { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

  /* --- Footer — full 4-column layout --- */
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2.5rem;
  }

  .footer-brand-col { grid-column: auto; }

  /* --- Hero --- */
  .hero-inner {
    padding-block: 6rem;
    gap: 4rem;
  }

  .hero-title {
    font-size: clamp(3rem, 4vw, 3.75rem);
  }

  /* --- Admin layout --- */
  .admin-main { padding: 2rem; }
  .admin-topbar { padding-inline: 2rem; }

  /* --- Navbar --- */
  .navbar-inner { padding-inline: 2rem; }
}

/* ==========================================================================
   6. Large Desktop / Widescreen — 2xl: 1440px+
   ========================================================================== */

@media (min-width: 1440px) {

  .container {
    max-width: var(--container-2xl, 1440px);
    padding-inline: 3rem;
  }

  /* --- Hero full bleed --- */
  .hero-inner {
    padding-inline: 3rem;
    gap: 5rem;
  }

  .hero-title {
    font-size: 3.75rem;
  }

  /* --- Product grid — up to 5 columns for special layouts --- */
  .product-grid-5 {
    grid-template-columns: repeat(5, 1fr);
  }

  /* --- Section heading max-width --- */
  .section-heading { max-width: 800px; }

  /* --- Admin layout spacious --- */
  .admin-main { padding: 2.5rem; }
}

/* ==========================================================================
   7. Component-Level Responsive Overrides
   ========================================================================== */

/* --- Navbar search bar --- */
.navbar-search {
  display: none;
}

@media (min-width: 1024px) {
  .navbar-search {
    display: flex;
    width: 260px;
  }
}

@media (min-width: 1280px) {
  .navbar-search { width: 320px; }
}

/* --- Mobile search bar (full width) --- */
.mobile-search {
  display: block;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--light-secondary, #E8ECF4);
}

@media (min-width: 768px) {
  .mobile-search { display: none; }
}

/* --- Stat cards responsive --- */
@media (max-width: 479px) {
  .stat-card {
    flex-direction: column;
    gap: 0.75rem;
  }

  .stat-value { font-size: 1.5rem; }
}

/* --- Card actions always visible on touch --- */
@media (hover: none) {
  .product-card-actions {
    opacity: 1;
    transform: translateX(0);
  }

  .product-card:hover .product-card-image img {
    transform: none;
  }
}

/* --- Timeline responsive --- */
@media (max-width: 767px) {
  .timeline {
    padding-left: 2rem;
  }

  .timeline::before {
    left: 8px;
  }

  .timeline-dot {
    left: calc(-2rem + 1px);
    width: 12px;
    height: 12px;
  }
}

/* --- Breadcrumb truncation on small screens --- */
@media (max-width: 479px) {
  .breadcrumb-item:not(:last-child):not(:first-child) {
    display: none;
  }

  .breadcrumb-item:not(:last-child):not(:first-child) + .breadcrumb-item::before {
    content: '…/';
  }
}

/* --- Pricing card: featured scaling on desktop only --- */
@media (min-width: 1024px) {
  .pricing-card.pricing-featured {
    transform: scale(1.04);
    z-index: 1;
  }

  .pricing-card.pricing-featured:hover {
    transform: scale(1.04) translateY(-4px);
  }
}

/* --- Table compact on small screens --- */
@media (max-width: 767px) {
  .table th,
  .table td {
    padding: 0.75rem 1rem;
    font-size: 0.8125rem;
  }
}

/* --- Modal bottom-sheet on mobile --- */
@media (max-width: 767px) {
  .modal-overlay {
    align-items: flex-end;
    padding: 0;
  }

  .modal {
    max-width: 100%;
    width: 100%;
    /* Rounded top corners only; bottom flush with screen edge for bottom-sheet layout */
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    /* 92vh leaves room for the status bar and allows the user to tap-dismiss above */
    max-height: 92vh;
  }

  .modal-overlay.open .modal {
    transform: translateY(0) scale(1);
    animation: slideUpSheet 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }

  /* Large modals fill the screen */
  .modal-lg,
  .modal-xl {
    max-width: 100%;
    width: 100%;
  }
}

/* --- Toast full-width on small screens --- */
@media (max-width: 479px) {
  .toast-container {
    left: 0.75rem !important;
    right: 0.75rem !important;
    top: 0.75rem !important;
    align-items: stretch !important;
  }

  .toast {
    min-width: unset;
    max-width: 100%;
    width: 100%;
  }
}

/* --- Drawer full width on mobile --- */
@media (max-width: 479px) {
  .drawer-right,
  .drawer-left {
    width: 100%;
  }
}

/* --- Footer compact text --- */
@media (max-width: 479px) {
  .footer-description {
    font-size: 0.8125rem;
  }

  .footer-col-title {
    margin-bottom: 0.75rem;
  }
}

/* --- FAB hides on very small screens if overlapping --- */
@media (max-width: 359px) {
  .fab { bottom: calc(4rem + 0.5rem); right: 0.75rem; }
  .fab-main { width: 48px; height: 48px; font-size: 1rem; }
}

/* --- Admin topbar responsive actions --- */
@media (max-width: 767px) {
  .admin-topbar-actions .btn-text {
    display: none;
  }
}

/* --- Section headings scale down --- */
@media (max-width: 479px) {
  .section-title { font-size: 1.75rem; }
  .section-subtitle { font-size: 0.9375rem; }

  .heading-display { font-size: 2.25rem; }
}

/* --- Hero stats compact --- */
@media (max-width: 479px) {
  .hero-stats {
    gap: 1rem;
  }

  .hero-stat-value { font-size: 1.5rem; }
  .hero-stat-label { font-size: 0.75rem; }
}

/* --- Supplier stats responsive --- */
@media (max-width: 479px) {
  .supplier-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
  }
}

/* --- Chart container min-height adjustment --- */
@media (max-width: 767px) {
  .chart-body { min-height: 200px; }
  .chart-placeholder { min-height: 180px; }

  .chart-header {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
  }
}

/* ==========================================================================
   8. Print Styles
   ========================================================================== */

@media print {
  .sidebar,
  .navbar,
  .bottom-nav,
  .fab,
  .toast-container,
  .modal-overlay {
    display: none !important;
  }

  .admin-content {
    margin-left: 0 !important;
  }

  body {
    background: white;
    color: black;
    font-size: 11pt;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }

  a {
    color: black;
    text-decoration: underline;
  }

  .product-card,
  .supplier-card,
  .pricing-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }

  .table {
    font-size: 9pt;
  }

  .btn { display: none; }
}

/* ==========================================================================
   9. Index Landing Page — Responsive Overrides
   ========================================================================== */

/* --- Mobile (max-width: 768px) --- */
@media (max-width: 768px) {
  /* Show hamburger, hide desktop search/controls */
  .hamburger {
    display: flex;
  }

  .nav-search,
  .nav-controls,
  .nav-select-group {
    display: none;
  }

  /* Compact nav-container on mobile */
  .nav-container {
    padding: 10px 16px;
    gap: 8px;
  }

  /* Scale down nav logo on mobile */
  .nav-logo img {
    width: 140px !important;
    min-height: 40px;
    max-height: 48px;
    height: auto;
  }

  /* Footer logo on mobile */
  .footer-logo img,
  footer img[alt*="Logo"] {
    width: 140px !important;
    min-height: 40px;
    max-height: 48px;
    height: auto;
  }

  /* Hero container padding */
  .hero-container {
    padding: 3rem 1rem;
  }

  /* Hero stats wrap on small screens */
  .hero-stats {
    gap: 10px;
  }

  .stat-badge {
    padding: 8px 12px;
    font-size: 0.78rem;
  }

  /* Products grid: single column on mobile */
  .products-grid {
    grid-template-columns: 1fr;
  }

  /* Suppliers grid: single column */
  .suppliers-grid {
    grid-template-columns: 1fr;
  }

  /* Livestream grid: single column */
  .livestream-grid {
    grid-template-columns: 1fr;
  }

  /* How-it-works: single column */
  .how-it-works-grid {
    grid-template-columns: 1fr;
  }

  /* Flash sale: stack vertically */
  .flash-sale-content {
    flex-direction: column;
    text-align: center;
  }

  .flash-sale-title {
    font-size: var(--text-2xl);
  }

  /* Stats section: 2 columns */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Testimonials */
  .testimonials-track {
    gap: var(--space-4);
  }

  /* Newsletter: stack */
  .newsletter-content {
    flex-direction: column;
    text-align: center;
  }

  .newsletter-icon { display: none; }

  /* Footer grid: single column */
  .footer-grid {
    grid-template-columns: 1fr;
  }

  /* Footer bottom inner */
  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-legal-links {
    justify-content: center;
  }

  /* Section title size */
  .section-title {
    font-size: var(--text-xl);
  }

  /* Upcoming stream: stack */
  .upcoming-stream-item {
    flex-wrap: wrap;
  }
}

/* --- Tablet (480px – 768px) --- */
@media (min-width: 480px) and (max-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

/* --- Small Mobile (max-width: 480px) --- */
@media (max-width: 480px) {
  .nav-logo img {
    width: 120px !important;
    height: auto;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .stat-badge {
    padding: 8px 12px;
    font-size: 0.75rem;
  }
}

/* --- Desktop (min-width: 769px) --- */
@media (min-width: 769px) {
  /* Hide hamburger on desktop */
  .hamburger {
    display: none;
  }

  /* Ensure mobile-nav is always hidden unless opened on desktop */
  .mobile-nav:not(.open) {
    display: none;
  }

  /* Products grid: 3 columns on desktop */
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --- Large Desktop (min-width: 1280px) --- */
@media (min-width: 1280px) {
  .products-grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

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