/* ==========================================================================
   TERANGA ÉLECTRO — Responsive
   Breakpoints CodeZen : Mobile ≤576px | Tablette 577–992px | Desktop ≥993px
   ========================================================================== */

/* ==========================================================================
   TABLETTE — jusqu'à 992px (regroupe aussi les ajustements mobiles en cascade)
   ========================================================================== */
@media (max-width: 992px) {
  :root { --fs-hero: 2.4rem; --fs-xxl: 2rem; --fs-xl: 1.6rem; }

  .hero .container { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .hero-media img { height: 280px; }

  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .perks-grid { grid-template-columns: repeat(2, 1fr); }
  .answer-blocks { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }

  .split-layout { grid-template-columns: 1fr; }
  .split-layout img { height: 300px; }
  .stats-row { grid-template-columns: repeat(3, 1fr); }

  .contact-layout { grid-template-columns: 1fr; }

  /* Catalogue : les filtres passent en popup plutôt qu'en sidebar fixe */
  .catalogue-layout { grid-template-columns: 1fr; }

  .filters-panel {
    position: fixed;
    inset: 0;
    top: 0;
    z-index: 200;
    width: 100%;
    height: 100%;
    border-radius: 0;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform var(--transition-base);
  }

  .filters-panel.is-open { transform: translateX(0); }

  .filters-panel .filters-close-row {
    display: flex;
    justify-content: flex-end;
    margin-bottom: var(--space-sm);
  }

  .filters-panel .filters-close { font-size: 1.4rem; color: var(--color-primary); }

  .filter-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
  }

  #apply-filters-mobile { display: block; margin-top: var(--space-sm); }

  /* Panier : total passe au-dessus du tableau */
  .cart-layout { grid-template-columns: 1fr; }
  .cart-summary { position: static; order: -1; }

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

/* ==========================================================================
   MOBILE — jusqu'à 576px
   ========================================================================== */
@media (max-width: 576px) {
  :root {
    --fs-hero: 1.9rem;
    --fs-xxl: 1.6rem;
    --fs-xl: 1.35rem;
    --fs-lg: 1.2rem;
    --header-height: 64px;
  }

  .container { padding: 0 var(--space-sm); }
  .section { padding: var(--space-xl) 0; }

  /* ---- Menu mobile (panneau latéral + fond assombri) ---- */
  .nav-toggle { display: flex; }

  .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background-color: rgba(13, 27, 42, 0.55);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base);
    z-index: 150;
  }

  .nav-backdrop.is-visible { opacity: 1; visibility: visible; }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: auto;
    width: min(320px, 85vw);
    background-color: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-md);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    z-index: 200;
    box-shadow: var(--shadow-lg);
  }

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

  .nav-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--space-md);
    margin-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
  }

  .nav-panel-brand {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    font-size: var(--fs-base);
    color: var(--color-primary);
  }

  .nav-panel-brand i { color: var(--color-accent); }

  .nav-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast), color var(--transition-fast);
  }

  .nav-close:hover { background-color: var(--color-bg); color: var(--color-primary); }

  .nav-links li:not(.nav-panel-header):not(.nav-panel-contact) {
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links li:not(.nav-panel-header):not(.nav-panel-contact) a {
    width: 100%;
    padding: var(--space-sm) var(--space-xs);
    font-size: var(--fs-md);
  }

  .nav-links a i { display: inline-flex; width: 22px; }

  .nav-panel-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: auto;
    padding-top: var(--space-md);
  }

  .hero { padding: var(--space-xl) 0; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-trust { gap: var(--space-sm); }
  .hero-media img { height: 200px; }

  .category-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; gap: var(--space-sm); }
  .product-thumb { height: 220px; }
  .perks-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr; gap: var(--space-sm); }

  .cta-banner { flex-direction: column; text-align: center; padding: var(--space-lg); }

  .catalogue-toolbar { flex-direction: column; align-items: stretch; }

  .form-row { grid-template-columns: 1fr; }
  .radio-group { flex-direction: column; gap: var(--space-sm); }

  .cart-table thead { display: none; }

  .cart-table,
  .cart-table tbody,
  .cart-table tr,
  .cart-table td { display: block; width: 100%; }

  .cart-table tr {
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-sm) 0;
  }

  .cart-table td {
    border: none;
    padding: var(--space-xxs) var(--space-md);
  }

  .cart-table td::before {
    content: attr(data-label);
    display: block;
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-bottom: 2px;
  }

  .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .footer-bottom { flex-direction: column; text-align: center; }

  .whatsapp-float { width: 50px; height: 50px; font-size: 1.35rem; }
}