/* =============================================================
   TechJoie — Responsive Stylesheet
   Breakpoints:
     1199px — Laptop
      991px — Tablet
      767px — Mobile Large
      575px — Mobile Small
   ============================================================= */

/* ---------------------------------------------------------------
   BREAKPOINT 1: LAPTOP  (max-width: 1199px)
--------------------------------------------------------------- */
@media (max-width: 1199px) {

    /* Typography */
    h1 { font-size: 2.4rem; }
    h2 { font-size: 1.9rem; }

    /* Container */
    .container { padding: 0 var(--space-5); }

    /* Navigation */
    .header-inner { height: 66px; gap: var(--space-4); }

    .nav-link {
        padding: var(--space-2) var(--space-3);
        font-size: 0.85rem;
    }

    /* Hero */
    .hero {
        gap: var(--space-10);
        min-height: auto;
        padding: var(--space-12) 0;
    }

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

    .hero-badge-1 { left: -10px; }
    .hero-badge-2 { right: -10px; }

    /* Categories */
    .categories-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: var(--space-3);
    }

    /* Products grid */
    .products-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
    .products-grid.cols-5 { grid-template-columns: repeat(4, 1fr); }

    /* Reassurance */
    .reassurance-grid { gap: var(--space-3); }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: var(--space-6);
    }

    /* Promo */
    .promo-inner { padding: var(--space-12) var(--space-10); gap: var(--space-8); }

    /* Why section */
    .why-grid { gap: var(--space-5); }

    /* Catalog layout */
    .catalog-layout { grid-template-columns: 230px 1fr; gap: var(--space-6); }

    /* Product detail */
    .product-detail-layout { gap: var(--space-8); }

    /* Stats */
    .stats-grid { gap: var(--space-4); }
    .stat-number { font-size: 2rem; }

    /* Team */
    .team-grid { gap: var(--space-5); }

    /* FAQ */
    .faq-grid { gap: var(--space-5); }

    /* Countdown */
    .countdown-unit { min-width: 60px; padding: var(--space-3) var(--space-4); }
    .countdown-value { font-size: 1.6rem; }
}

/* ---------------------------------------------------------------
   BREAKPOINT 2: TABLET  (max-width: 991px)
--------------------------------------------------------------- */
@media (max-width: 991px) {

    /* Typography */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.7rem; }
    h3 { font-size: 1.3rem; }

    .lead { font-size: 1.05rem; }

    /* Section padding */
    .section { padding: var(--space-14) 0; }
    .products-section { padding: var(--space-14) 0; }
    .categories-section { padding: var(--space-14) 0; }
    .testimonials-section { padding: var(--space-14) 0; }
    .why-section { padding: var(--space-14) 0; }
    .team-section { padding: var(--space-14) 0; }
    .values-section { padding: var(--space-14) 0; }
    .faq-section { padding: var(--space-14) 0; }

    /* Container */
    .container { padding: 0 var(--space-5); }

    /* ---- Navigation ---- */
    .main-nav { display: none; }
    .hamburger { display: flex; }
    .mobile-nav { display: block; }

    .header-inner { height: 62px; }

    /* ---- Hero: stacked layout ---- */
    .hero {
        grid-template-columns: 1fr;
        gap: var(--space-10);
        padding: var(--space-12) 0;
        text-align: center;
        min-height: auto;
    }

    .hero-content { order: 1; }
    .hero-visual  { order: 2; }

    .hero-eyebrow { display: inline-flex; }

    .hero-subtitle {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

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

    .hero-trust {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--space-4);
    }

    .hero-image-wrap { max-width: 380px; margin: 0 auto; }

    .hero-badge-1 { left: 0; }
    .hero-badge-2 { right: 0; }

    /* ---- Reassurance: 2 columns ---- */
    .reassurance-grid { grid-template-columns: repeat(2, 1fr); }

    /* ---- Categories: 3 columns ---- */
    .categories-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }

    /* ---- Products: 2 columns ---- */
    .products-grid,
    .products-grid.cols-3,
    .products-grid.cols-5 {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    /* Products header stack */
    .products-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-4);
    }

    /* ---- Promo: stacked ---- */
    .promo-section { margin: 0 var(--space-4); border-radius: var(--radius-2xl); }
    .promo-inner {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        padding: var(--space-10) var(--space-8);
        text-align: center;
    }

    .promo-content { order: 1; }
    .promo-visual  { order: 2; }

    .countdown { justify-content: center; }

    .promo-image-wrap { max-width: 320px; margin: 0 auto; }

    /* ---- Why: 2 columns then 1 ---- */
    .why-grid { grid-template-columns: repeat(2, 1fr); }

    /* ---- Testimonials ---- */
    .testimonials-grid { grid-template-columns: 1fr 1fr; gap: var(--space-4); }

    .testimonials-global-rating {
        flex-wrap: wrap;
        gap: var(--space-4);
    }

    /* ---- Newsletter form ---- */
    .newsletter-form {
        flex-direction: column;
        border-radius: var(--radius-2xl);
        padding: var(--space-4);
        gap: var(--space-3);
    }

    .newsletter-form input {
        padding: 10px var(--space-2);
        text-align: center;
    }

    .newsletter-form button { width: 100%; justify-content: center; }

    /* ---- Footer: 2 columns ---- */
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8) var(--space-6);
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--space-4);
    }

    /* ---- Catalog layout: no sidebar ---- */
    .catalog-layout { grid-template-columns: 1fr; }

    .filters-sidebar {
        position: static;
        display: none; /* hidden by default on tablet, toggled by JS */
    }

    .filters-sidebar.is-open { display: block; }

    /* ---- Product detail: stacked ---- */
    .product-detail-layout {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .product-gallery { position: static; }

    /* ---- Contact layout: stacked ---- */
    .contact-layout {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    /* ---- About hero: stacked ---- */
    .about-hero-inner {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }

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

    /* ---- Team: 2 columns ---- */
    .team-grid { grid-template-columns: repeat(2, 1fr); }

    /* ---- Values: 1 column ---- */
    .values-grid { grid-template-columns: 1fr; }

    /* ---- FAQ: 1 column ---- */
    .faq-grid { grid-template-columns: 1fr; }

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

    /* ---- Scroll top reposition ---- */
    .scroll-top-btn {
        bottom: var(--space-5);
        right: var(--space-5);
        width: 42px;
        height: 42px;
    }
}

/* ---------------------------------------------------------------
   BREAKPOINT 3: MOBILE LARGE  (max-width: 767px)
--------------------------------------------------------------- */
@media (max-width: 767px) {

    /* Typography */
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.2rem; }
    h4 { font-size: 1.1rem; }

    .section-subtitle { font-size: 0.95rem; }

    /* Section padding */
    .section { padding: var(--space-12) 0; }
    .products-section { padding: var(--space-12) 0; }
    .categories-section { padding: var(--space-12) 0; }
    .testimonials-section { padding: var(--space-12) 0; }
    .why-section { padding: var(--space-12) 0; }
    .newsletter-section { padding: var(--space-12) 0; }
    .team-section { padding: var(--space-12) 0; }
    .values-section { padding: var(--space-12) 0; }

    /* Container */
    .container { padding: 0 var(--space-4); }

    /* ---- Announcement bar ---- */
    .announcement-bar {
        font-size: 0.78rem;
        padding: 8px var(--space-8);
        text-align: left;
    }

    /* ---- Hero ---- */
    .hero {
        padding: var(--space-10) 0;
        gap: var(--space-8);
    }

    .hero-title { font-size: 1.75rem; letter-spacing: -0.02em; }
    .hero-subtitle { font-size: 1rem; }

    .hero-actions { gap: var(--space-3); }
    .hero-actions .btn { padding: 12px 22px; font-size: 0.9rem; }

    .hero-trust { gap: var(--space-3); }
    .hero-trust-item { font-size: 0.8rem; }

    .hero-image-wrap { max-width: 300px; }

    .hero-badge { display: none; } /* hide floating badges on mobile */

    /* ---- Reassurance ---- */
    .reassurance-bar { padding: var(--space-4) 0; }
    .reassurance-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }

    .reassurance-item { padding: var(--space-3) var(--space-4); gap: var(--space-3); }
    .reassurance-icon { width: 42px; height: 42px; font-size: 1.1rem; }
    .reassurance-text strong { font-size: 0.82rem; }
    .reassurance-text span   { font-size: 0.72rem; }

    /* ---- Categories: 2 cols ---- */
    .categories-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }

    .category-icon-wrap { width: 52px; height: 52px; font-size: 1.5rem; }
    .category-name  { font-size: 0.78rem; }

    /* ---- Products: 2 columns ---- */
    .products-grid,
    .products-grid.cols-3,
    .products-grid.cols-5 {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3);
    }

    .product-info { padding: var(--space-3) var(--space-4) var(--space-4); }
    .product-name { font-size: 0.875rem; }
    .price-current { font-size: 1.15rem; }

    /* ---- Promo section ---- */
    .promo-section { margin: 0 var(--space-3); border-radius: var(--radius-xl); }
    .promo-inner { padding: var(--space-8) var(--space-6); gap: var(--space-6); }

    .promo-title { font-size: 1.6rem; }

    .countdown { gap: var(--space-2); }
    .countdown-unit { min-width: 56px; padding: var(--space-2) var(--space-3); border-radius: var(--radius-md); }
    .countdown-value { font-size: 1.4rem; }
    .countdown-label { font-size: 0.65rem; }

    .promo-image-wrap { max-width: 260px; }
    .promo-discount-bubble { width: 66px; height: 66px; top: -12px; right: -12px; }
    .promo-discount-bubble .disc-pct { font-size: 1.1rem; }

    /* ---- Why: 1 column ---- */
    .why-grid { grid-template-columns: 1fr; gap: var(--space-4); }

    .why-card { padding: var(--space-6) var(--space-5); }
    .why-icon { width: 60px; height: 60px; font-size: 1.5rem; }

    /* ---- Testimonials: 1 column ---- */
    .testimonials-grid { grid-template-columns: 1fr; }

    /* ---- Newsletter ---- */
    .newsletter-title { font-size: 1.5rem; }
    .newsletter-subtitle { font-size: 0.9rem; }

    /* ---- Footer ---- */
    .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8) var(--space-5); }

    .footer-col-title { font-size: 0.8rem; }
    .footer-links a   { font-size: 0.85rem; }

    .payment-badge { height: 26px; font-size: 0.68rem; }

    /* ---- Page hero ---- */
    .page-hero { padding: var(--space-8) 0 var(--space-6); }
    .page-hero-title { font-size: 1.5rem; }

    /* ---- Filter bar ---- */
    .filter-bar-inner { flex-wrap: wrap; gap: var(--space-2); }
    .filter-search { max-width: 100%; width: 100%; }
    .filter-count { margin-left: 0; }

    /* ---- Product detail ---- */
    .gallery-thumbnails { grid-template-columns: repeat(4, 1fr); gap: var(--space-2); }

    .detail-price-current { font-size: 1.8rem; }

    .product-add-row { flex-wrap: wrap; }
    .product-add-row .btn-cart { min-width: 200px; }

    /* ---- Form ---- */
    .form-row { grid-template-columns: 1fr; }
    .contact-form-wrap { padding: var(--space-6); }

    /* ---- About stats ---- */
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
    .stat-number { font-size: 2rem; }

    /* ---- Team ---- */
    .team-grid { grid-template-columns: 1fr; max-width: 360px; margin-left: auto; margin-right: auto; }

    /* ---- Tabs ---- */
    .tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .tab-btn { padding: var(--space-3) var(--space-4); font-size: 0.85rem; white-space: nowrap; }

    /* ---- Accordion ---- */
    .accordion-trigger { padding: var(--space-4) var(--space-5); font-size: 0.9rem; }
    .accordion-content { padding: 0 var(--space-5) var(--space-4); font-size: 0.875rem; }

    /* ---- Pagination ---- */
    .pagination { gap: var(--space-1); }
    .pagination-btn { width: 36px; height: 36px; font-size: 0.8rem; }

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

    /* ---- Toast ---- */
    .toast-container {
        bottom: var(--space-5);
        left: var(--space-4);
        right: var(--space-4);
        transform: none;
    }
    .toast { min-width: auto; width: 100%; }

    /* ---- Scroll top ---- */
    .scroll-top-btn {
        bottom: var(--space-4);
        right: var(--space-4);
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
}

/* ---------------------------------------------------------------
   BREAKPOINT 4: MOBILE SMALL  (max-width: 575px)
--------------------------------------------------------------- */
@media (max-width: 575px) {

    /* Typography */
    h1 { font-size: 1.55rem; }
    h2 { font-size: 1.35rem; }
    h3 { font-size: 1.1rem;  }

    .section-label { font-size: 0.72rem; }

    /* Section padding */
    .section { padding: var(--space-10) 0; }
    .products-section { padding: var(--space-10) 0; }
    .categories-section { padding: var(--space-10) 0; }
    .testimonials-section { padding: var(--space-10) 0; }
    .why-section { padding: var(--space-10) 0; }
    .newsletter-section { padding: var(--space-10) 0; }

    /* Container */
    .container { padding: 0 var(--space-4); }

    /* ---- Announcement bar: short ---- */
    .announcement-bar { font-size: 0.72rem; line-height: 1.5; }

    /* ---- Header ---- */
    .header-inner { height: 58px; }
    .logo-text { font-size: 1.25rem; }
    .logo-mark { width: 36px; height: 36px; font-size: 1.1rem; }

    /* ---- Hero: text only, no image ---- */
    .hero {
        grid-template-columns: 1fr;
        padding: var(--space-8) 0;
        gap: var(--space-6);
    }

    .hero-visual { display: none; } /* hide image on small mobile */

    .hero-title { font-size: 1.6rem; }
    .hero-subtitle { font-size: 0.95rem; }

    .hero-actions {
        flex-direction: column;
        gap: var(--space-3);
        align-items: stretch;
    }

    .hero-actions .btn { width: 100%; text-align: center; }

    .hero-trust {
        flex-direction: column;
        gap: var(--space-3);
        align-items: flex-start;
    }

    /* ---- Reassurance: 1 column ---- */
    .reassurance-grid { grid-template-columns: 1fr; gap: var(--space-2); }

    .reassurance-item { padding: var(--space-3); gap: var(--space-3); }

    /* ---- Categories: 3 columns compact ---- */
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-2);
    }

    .category-card { padding: var(--space-3) var(--space-2); }
    .category-icon-wrap { width: 44px; height: 44px; font-size: 1.3rem; }
    .category-name  { font-size: 0.72rem; }
    .category-count { display: none; }

    /* ---- Products: 1 column ---- */
    .products-grid,
    .products-grid.cols-3,
    .products-grid.cols-5 {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .product-image-zone { aspect-ratio: 16 / 9; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }

    /* ---- Promo ---- */
    .promo-section { margin: 0 var(--space-2); border-radius: var(--radius-lg); }
    .promo-inner { padding: var(--space-6) var(--space-5); gap: var(--space-5); }

    .promo-title { font-size: 1.3rem; }
    .promo-subtitle { font-size: 0.875rem; }

    .countdown { gap: var(--space-2); }
    .countdown-unit { min-width: 52px; padding: var(--space-2); }
    .countdown-value { font-size: 1.3rem; }

    /* ---- Why: 1 column ---- */
    .why-card { padding: var(--space-5) var(--space-4); flex-direction: row; text-align: left; gap: var(--space-4); display: flex; }
    .why-icon { width: 52px; height: 52px; margin: 0; flex-shrink: 0; }
    .why-body { flex: 1; }

    /* ---- Testimonials ---- */
    .testimonial-card { padding: var(--space-5) var(--space-4); }
    .testimonials-global-rating { padding: var(--space-4); flex-wrap: wrap; gap: var(--space-3); }
    .global-score { font-size: 2.8rem; }

    /* ---- Newsletter ---- */
    .newsletter-title { font-size: 1.3rem; }

    .newsletter-form {
        padding: var(--space-3);
        gap: var(--space-3);
    }

    /* ---- Footer: 1 column ---- */
    .footer-grid { grid-template-columns: 1fr; gap: var(--space-6); }

    .footer-bottom { flex-direction: column; align-items: center; gap: var(--space-3); }

    .footer-payments { flex-wrap: wrap; justify-content: center; gap: var(--space-2); }

    /* ---- Page hero ---- */
    .page-hero { padding: var(--space-6) 0 var(--space-5); }
    .page-hero-title { font-size: 1.3rem; }
    .breadcrumb { font-size: 0.72rem; }

    /* ---- Filter bar ---- */
    .filter-bar-inner { gap: var(--space-2); }
    .filter-select { padding: 9px 30px 9px 12px; font-size: 0.8rem; }

    /* ---- Buttons: full width in context ---- */
    .btn-block-mobile { width: 100% !important; }

    /* ---- Product detail ---- */
    .gallery-thumbnails { grid-template-columns: repeat(4, 1fr); gap: var(--space-2); }

    .detail-price-current { font-size: 1.6rem; }
    .product-add-row { flex-direction: column; gap: var(--space-3); }
    .product-add-row .btn-cart { width: 100%; }
    .product-wishlist-btn { width: 100%; height: 46px; border-radius: var(--radius-md); }

    .size-options { gap: var(--space-1); }
    .size-option { padding: 7px 12px; font-size: 0.8rem; }

    /* ---- Accordion ---- */
    .accordion-trigger { padding: var(--space-4); font-size: 0.875rem; }

    /* ---- Contact form ---- */
    .contact-form-wrap { padding: var(--space-5) var(--space-4); }

    /* ---- Stats: 2 columns ---- */
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
    .stat-card { padding: var(--space-4); }
    .stat-number { font-size: 1.75rem; }

    /* ---- Team ---- */
    .team-grid { max-width: 100%; }

    /* ---- Timeline ---- */
    .delivery-timeline::before { left: 22px; }
    .timeline-dot { width: 46px; height: 46px; font-size: 1rem; }

    /* ---- Tabs ---- */
    .tab-btn { padding: var(--space-2) var(--space-3); font-size: 0.8rem; }

    /* ---- Pagination ---- */
    .pagination-btn { width: 34px; height: 34px; font-size: 0.78rem; }

    /* ---- Cards ---- */
    .card-body { padding: var(--space-4); }

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

    /* ---- Row ---- */
    .row { flex-direction: column; }

    /* ---- Section header stacks ---- */
    .products-header { gap: var(--space-3); }
    .products-tabs { flex-wrap: wrap; }

    /* ---- Scroll top ---- */
    .scroll-top-btn {
        bottom: var(--space-3);
        right: var(--space-3);
        width: 38px;
        height: 38px;
        border-radius: var(--radius-md);
    }

    /* ---- Toast ---- */
    .toast {
        font-size: 0.82rem;
        padding: var(--space-3) var(--space-4);
    }

    /* ---- Spec table ---- */
    .spec-key { width: 40%; font-size: 0.82rem; }
    .spec-val { font-size: 0.82rem; }

    /* ---- Promo discount bubble ---- */
    .promo-discount-bubble { display: none; }

    /* ---- Hero shapes hide ---- */
    .hero-shape { display: none; }

    /* ---- Reassurance separator ---- */
    .reassurance-item + .reassurance-item {
        border-top: 1px solid var(--border);
    }

    /* ---- Values grid ---- */
    .values-grid { gap: var(--space-4); }

    .value-card {
        flex-direction: column;
        gap: var(--space-3);
    }

    .value-icon { width: 44px; height: 44px; font-size: 1.2rem; }
}

/* ---------------------------------------------------------------
   EXTRA SMALL  (max-width: 375px) — edge case polish
--------------------------------------------------------------- */
@media (max-width: 375px) {

    .container { padding: 0 var(--space-3); }

    h1 { font-size: 1.4rem; }
    h2 { font-size: 1.25rem; }

    .hero-title { font-size: 1.4rem; }

    .categories-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .category-card { padding: var(--space-2) var(--space-1); }

    .stats-grid { grid-template-columns: 1fr 1fr; gap: var(--space-2); }
    .stat-number { font-size: 1.5rem; }

    .newsletter-form { padding: var(--space-2); }

    .btn { padding: 11px 18px; font-size: 0.875rem; }
    .btn-lg { padding: 14px 24px; font-size: 0.95rem; }

    .footer-grid { gap: var(--space-5); }

    .product-info { padding: var(--space-3); }
    .price-current { font-size: 1.1rem; }

    .countdown-unit { min-width: 48px; }
    .countdown-value { font-size: 1.2rem; }
}

/* ---------------------------------------------------------------
   LANDSCAPE MOBILE  (orientation: landscape + max-height: 500px)
--------------------------------------------------------------- */
@media (orientation: landscape) and (max-height: 500px) {

    .site-header { position: relative; }

    .hero {
        padding: var(--space-6) 0;
        min-height: auto;
    }

    .hero-visual { display: none; }

    .hero-title { font-size: 1.5rem; }

    .section { padding: var(--space-8) 0; }

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

    .mobile-nav-drawer { max-height: 100vh; overflow-y: auto; }
}

/* ---------------------------------------------------------------
   REDUCED MOTION  (accessibility)
--------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {

    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .hero-main-image,
    .promo-image-wrap img,
    .hero-badge-1,
    .hero-badge-2,
    .hero-shape { animation: none; }

    .reveal,
    .reveal-left,
    .reveal-right { opacity: 1; transform: none; transition: none; }
}

/* ---------------------------------------------------------------
   HIGH CONTRAST MODE  (accessibility)
--------------------------------------------------------------- */
@media (prefers-contrast: high) {

    .btn-primary   { border: 2px solid #000; }
    .product-card  { border: 2px solid #000; }
    .nav-link      { text-decoration: underline; }

    :root {
        --border: #888;
        --text-light: #555;
        --text-secondary: #333;
    }
}

/* ---------------------------------------------------------------
   DARK MODE  (prefers-color-scheme: dark)
--------------------------------------------------------------- */
@media (prefers-color-scheme: dark) {

    :root {
        --bg-primary:    #0f0f1a;
        --bg-secondary:  #1a1a2e;
        --bg-tertiary:   #1e1e35;
        --text-primary:  #f0f0f5;
        --text-secondary: #a0a8b8;
        --text-light:    #5a6070;
        --border:        #2e2e4a;
        --shadow:        0 8px 30px rgba(0, 0, 0, 0.4);
        --shadow-md:     0 12px 40px rgba(0, 0, 0, 0.5);
        --shadow-lg:     0 20px 60px rgba(0, 0, 0, 0.6);
        --shadow-card:   0 4px 20px rgba(0, 0, 0, 0.3);
    }

    .site-header {
        background: rgba(26, 26, 46, 0.96);
        border-bottom-color: var(--border);
    }

    .product-card,
    .category-card,
    .why-card,
    .testimonial-card,
    .stat-card,
    .team-card,
    .value-card,
    .accordion,
    .card {
        background: var(--bg-secondary);
        border-color: var(--border);
    }

    .product-image-zone,
    .gallery-main { background: var(--bg-tertiary); }

    .filter-search input,
    .filter-select,
    .form-input,
    .form-textarea,
    .form-select {
        background: var(--bg-tertiary);
        border-color: var(--border);
        color: var(--text-primary);
    }

    .quantity-selector { background: var(--bg-tertiary); border-color: var(--border); }

    .reassurance-bar { background: var(--bg-secondary); border-color: var(--border); }

    .products-tabs { background: var(--bg-tertiary); }
    .products-tab.active { background: var(--bg-secondary); }

    .mobile-nav-drawer { background: var(--bg-secondary); }

    .hero-badge { background: var(--bg-secondary); }

    .contact-form-wrap { background: var(--bg-secondary); border-color: var(--border); }
    .contact-info-item { background: var(--bg-tertiary); }

    .filters-sidebar { background: var(--bg-secondary); border-color: var(--border); }

    .accordion-trigger { background: var(--bg-secondary); }
    .accordion-trigger:hover { background: var(--bg-tertiary); }

    .tab-btn { color: var(--text-secondary); }
    .tabs { border-bottom-color: var(--border); }

    .footer-links a { color: rgba(160,168,184,0.7); }
}