/* ================================================================
   PROJECTKART — GLOBAL RESPONSIVE SYSTEM
   Mobile-first refinements for the complete storefront
   ================================================================ */


/* ================================================================
   LARGE DESKTOP — 1440px+
   ================================================================ */

   @media (min-width: 1441px) {
    .container {
        max-width: var(--container-max-width);
    }

    .hero__container,
    .hero-container {
        min-height: 720px;
    }

    .product-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .category-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .kit-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}


/* ================================================================
   DESKTOP — 1200px
   ================================================================ */

@media (max-width: 1200px) {
    :root {
        --container-padding: 30px;
    }

    .container,
    .container--wide,
    .container--narrow {
        width: min(
            calc(100% - (var(--container-padding) * 2)),
            var(--container-max-width)
        );
    }

    .hero__container,
    .hero-container {
        gap: var(--space-10);
    }

    .content-grid--4,
    .grid-4,
    .product-grid--4 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .content-grid--5,
    .grid-5 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .split-section {
        gap: var(--space-10);
    }
}


/* ================================================================
   TABLET / SMALL DESKTOP — 1024px
   ================================================================ */

@media (max-width: 1024px) {
    :root {
        --container-padding: 26px;
    }

    .container,
    .container--wide,
    .container--narrow {
        width: min(
            calc(100% - (var(--container-padding) * 2)),
            var(--container-max-width)
        );
    }

    .content-grid--4,
    .content-grid--3,
    .grid-4,
    .grid-3,
    .product-grid,
    .product-grid--4 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .category-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .kit-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .split-section,
    .split-layout {
        grid-template-columns: 1fr;
    }

    .split-section.reverse,
    .split-layout.reverse {
        direction: ltr;
    }

    .image-panel,
    .info-panel {
        max-width: none;
    }

    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .section-header {
        gap: var(--space-6);
    }
}


/* ================================================================
   NAVIGATION BREAKPOINT — 900px
   ================================================================ */

@media (max-width: 900px) {
    :root {
        --navbar-height: 74px;
        --container-padding: 22px;
    }

    body {
        padding-top: var(--navbar-height);
    }

    .desktop-only {
        display: none !important;
    }

    .mobile-only {
        display: initial !important;
    }

    .hide-tablet {
        display: none !important;
    }

    .show-tablet {
        display: block !important;
    }

    .section {
        padding-top: var(--space-16);
        padding-bottom: var(--space-16);
    }

    .section--large {
        padding-top: var(--space-20);
        padding-bottom: var(--space-20);
    }

    .content-grid--4,
    .content-grid--3,
    .grid-4,
    .grid-3,
    .product-grid,
    .product-grid--4,
    .category-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .content-grid--2,
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .section-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .section-header__action {
        align-self: flex-start;
    }

    .toolbar,
    .product-toolbar,
    .category-toolbar {
        flex-wrap: wrap;
    }

    .toolbar__right,
    .product-toolbar__right {
        margin-left: auto;
    }

    .sticky-sidebar {
        position: static;
    }
}


/* ================================================================
   TABLET — 768px
   ================================================================ */

@media (max-width: 768px) {
    :root {
        --container-padding: 20px;
    }

    .container,
    .container--wide,
    .container--narrow {
        width: calc(100% - (var(--container-padding) * 2));
    }

    .hide-mobile-tablet {
        display: none !important;
    }

    .show-mobile-tablet {
        display: block !important;
    }

    main {
        min-width: 0;
    }

    .page-header {
        padding-top: var(--space-10);
        padding-bottom: var(--space-8);
    }

    .page-header__actions {
        width: 100%;
    }

    .page-header__actions .btn {
        flex: 1;
    }

    .content-grid--4,
    .content-grid--3,
    .grid-4,
    .grid-3,
    .product-grid,
    .product-grid--4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .category-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .kit-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .trust-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .cta-section {
        padding: var(--space-10);
    }

    .horizontal-scroll {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        scrollbar-width: none;
        margin-right: calc(var(--container-padding) * -1);
        margin-left: calc(var(--container-padding) * -1);
        padding-right: var(--container-padding);
        padding-left: var(--container-padding);
    }

    .horizontal-scroll::-webkit-scrollbar {
        display: none;
    }

    .horizontal-scroll > * {
        flex: 0 0 min(78vw, 340px);
        scroll-snap-align: start;
    }

    .modal {
        width: calc(100% - 32px);
        max-width: 680px;
    }
}


/* ================================================================
   MOBILE — 600px
   ================================================================ */

@media (max-width: 600px) {
    :root {
        --container-padding: 16px;
        --section-gap: 64px;
    }

    body {
        overflow-x: hidden;
    }

    .container,
    .container--wide,
    .container--narrow {
        width: calc(100% - (var(--container-padding) * 2));
    }

    .desktop-only,
    .tablet-only {
        display: none !important;
    }

    .mobile-only {
        display: initial !important;
    }

    .hide-mobile {
        display: none !important;
    }

    .show-mobile {
        display: block !important;
    }

    /* ------------------------------------------------------------
       Sections
       ------------------------------------------------------------ */

    .section {
        padding-top: var(--space-12);
        padding-bottom: var(--space-12);
    }

    .section--large {
        padding-top: var(--space-16);
        padding-bottom: var(--space-16);
    }

    .section-header {
        margin-bottom: var(--space-7);
    }

    .section-header__action {
        width: 100%;
    }

    .section-header__action .btn {
        width: 100%;
    }

    /* ------------------------------------------------------------
       Grids
       ------------------------------------------------------------ */

    .content-grid--4,
    .content-grid--3,
    .grid-4,
    .grid-3,
    .product-grid,
    .product-grid--4,
    .category-grid,
    .kit-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .content-grid--2,
    .grid-2 {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .trust-strip {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    /* ------------------------------------------------------------
       Page header
       ------------------------------------------------------------ */

    .page-header {
        padding-top: var(--space-8);
        padding-bottom: var(--space-7);
    }

    .page-header__content {
        width: 100%;
    }

    .page-header__actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    /* ------------------------------------------------------------
       Buttons
       ------------------------------------------------------------ */

    .btn-lg,
    .btn-xl {
        min-height: 46px;
    }

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

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

    .btn--mobile-full {
        width: 100%;
    }

    /* ------------------------------------------------------------
       Forms
       ------------------------------------------------------------ */

    .form-row,
    .form-grid,
    .form-grid--2,
    .form-grid--3 {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    /* ------------------------------------------------------------
       Toolbars
       ------------------------------------------------------------ */

    .toolbar,
    .product-toolbar,
    .category-toolbar,
    .kit-toolbar {
        align-items: stretch;
        flex-direction: column;
        gap: 10px;
    }

    .toolbar__left,
    .toolbar__right,
    .product-toolbar__left,
    .product-toolbar__right {
        width: 100%;
        margin: 0;
    }

    .toolbar__right {
        justify-content: space-between;
    }

    .toolbar .form-control,
    .toolbar .form-select,
    .product-toolbar .form-control,
    .product-toolbar .form-select {
        width: 100%;
    }

    /* ------------------------------------------------------------
       Horizontal scrolling
       ------------------------------------------------------------ */

    .horizontal-scroll {
        margin-right: calc(var(--container-padding) * -1);
        margin-left: calc(var(--container-padding) * -1);
        padding-right: var(--container-padding);
        padding-left: var(--container-padding);
    }

    .horizontal-scroll > * {
        flex-basis: 78vw;
    }

    /* ------------------------------------------------------------
       Tables
       ------------------------------------------------------------ */

    .table-responsive {
        width: calc(100vw - (var(--container-padding) * 2));
        overflow-x: auto;
        scrollbar-width: thin;
    }

    .table-responsive table {
        min-width: 680px;
    }

    /* ------------------------------------------------------------
       Cards
       ------------------------------------------------------------ */

    .card {
        border-radius: var(--radius-lg);
    }

    .cta-section {
        padding: var(--space-8) var(--space-6);
        border-radius: var(--radius-lg);
    }

    .feature-card,
    .info-card {
        padding: var(--space-6);
    }
}


/* ================================================================
   SMALL MOBILE — 480px
   ================================================================ */

@media (max-width: 480px) {
    :root {
        --container-padding: 14px;
    }

    .container,
    .container--wide,
    .container--narrow {
        width: calc(100% - (var(--container-padding) * 2));
    }

    .content-grid--4,
    .content-grid--3,
    .grid-4,
    .grid-3,
    .product-grid,
    .product-grid--4,
    .category-grid,
    .kit-grid {
        gap: 10px;
    }

    .product-card,
    .category-card,
    .kit-card {
        border-radius: 12px;
    }

    .stats-grid {
        gap: 8px;
    }

    .stat-card {
        padding: 14px;
    }

    .card {
        border-radius: 12px;
    }

    .cta-section {
        padding: var(--space-7) var(--space-5);
    }

    .modal {
        width: calc(100% - 20px);
        border-radius: var(--radius-lg);
    }

    .drawer {
        width: min(88vw, 380px);
    }
}


/* ================================================================
   VERY SMALL MOBILE — 380px
   ================================================================ */

@media (max-width: 380px) {
    :root {
        --container-padding: 12px;
    }

    .content-grid--4,
    .content-grid--3,
    .grid-4,
    .grid-3,
    .product-grid,
    .product-grid--4,
    .category-grid,
    .kit-grid {
        grid-template-columns: 1fr;
    }

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

    .horizontal-scroll > * {
        flex-basis: 84vw;
    }

    .page-header__actions {
        gap: 8px;
    }

    .cta-section {
        padding: var(--space-6) var(--space-4);
    }

    .feature-card,
    .info-card {
        padding: var(--space-5);
    }
}


/* ================================================================
   LANDSCAPE MOBILE
   ================================================================ */

@media (max-width: 900px) and (orientation: landscape) {
    .hero,
    .hero-section {
        min-height: auto;
    }

    .hero__container,
    .hero-container {
        padding-top: var(--space-10);
        padding-bottom: var(--space-10);
    }

    .mobile-menu__drawer {
        max-height: 100dvh;
    }
}


/* ================================================================
   TOUCH DEVICES
   ================================================================ */

@media (hover: none) and (pointer: coarse) {
    .hover-lift:hover,
    .hover-scale:hover,
    .product-card:hover,
    .category-card:hover,
    .kit-card:hover {
        transform: none;
    }

    .product-card:hover .product-card__image img,
    .category-card:hover .category-card__image img,
    .kit-card:hover .kit-card__image img {
        transform: none;
    }

    .navbar-nav a::after,
    .footer-links a::after {
        display: none;
    }

    .quick-action,
    .product-card__quick-actions,
    .category-card__arrow,
    .kit-card__arrow {
        opacity: 1;
        transform: none;
    }

    .btn:hover {
        transform: none;
    }
}


/* ================================================================
   PRINT
   ================================================================ */

@media print {
    :root {
        --color-bg: #fff;
        --color-bg-primary: #fff;
        --color-bg-secondary: #fff;
        --color-surface: #fff;
        --color-text-primary: #000;
        --color-text-secondary: #333;
    }

    *,
    *::before,
    *::after {
        box-shadow: none !important;
        text-shadow: none !important;
        animation: none !important;
        transition: none !important;
    }

    body {
        padding-top: 0 !important;
        background: #fff !important;
        color: #000 !important;
    }

    .site-navbar,
    .mobile-menu,
    .footer-back-top,
    .no-print,
    .btn,
    button {
        display: none !important;
    }

    .site-footer {
        border-top: 1px solid #ccc;
        background: #fff;
    }

    a {
        color: #000 !important;
        text-decoration: underline;
    }

    .container,
    .container--wide,
    .container--narrow {
        width: 100%;
        max-width: none;
    }
}


/* ================================================================
   REDUCED MOTION
   ================================================================ */

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto !important;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}