/**
 * ZHEYMARKET - Responsive Design
 */

/* ===== Mobile First - Base ===== */

/* Small devices (phones, 576px and down) */
@media (max-width: 575.98px) {
    :root {
        --font-size-5xl: 1.75rem;
        --font-size-4xl: 1.5rem;
        --font-size-3xl: 1.25rem;
        --font-size-2xl: 1.125rem;
        --font-size-xl: 1rem;
    }

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

    .grid {
        gap: var(--space-4);
    }

    .btn {
        width: 100%;
    }

    .btn-block {
        width: 100%;
    }

    .modal {
        margin: var(--space-4);
        max-height: calc(100vh - var(--space-8));
    }

    .toast-container {
        left: var(--space-4);
        right: var(--space-4);
    }

    .toast {
        min-width: auto;
    }

    .table-container {
        font-size: var(--font-size-sm);
    }

    .table th,
    .table td {
        padding: var(--space-2) var(--space-3);
    }

    /* Header mobile */
    .header-inner {
        flex-wrap: nowrap;
    }

    .logo {
        font-size: var(--font-size-xl);
    }

    /* Hero mobile */
    .hero-title {
        font-size: var(--font-size-3xl);
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
        max-width: 100%;
    }

    .hero-cta {
        flex-direction: column;
        gap: var(--space-3);
    }

    .hero-cta-primary,
    .hero-cta-secondary {
        width: 100%;
        margin-left: 0;
    }

    /* Features mobile */
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

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

    .feature-icon {
        font-size: 2.5rem;
    }

    /* Categories mobile */
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    .category-card {
        padding: var(--space-4);
    }

    .category-icon {
        font-size: 2rem;
    }

    .category-name {
        font-size: var(--font-size-base);
    }

    /* Products mobile */
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .product-card {
        padding: var(--space-4);
    }

    .product-card-image {
        font-size: 2rem;
    }

    /* Trust badges mobile */
    .trust-badges-grid {
        gap: var(--space-6);
    }

    .trust-badge {
        flex-direction: column;
        text-align: center;
        gap: var(--space-2);
    }

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

/* Medium devices (tablets, 576px and up) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

/* Large devices (desktops, 768px and up) */
@media (min-width: 768px) {
    .grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .btn {
        width: auto;
    }

    .modal {
        max-width: 600px;
    }

    /* Header tablet/desktop */
    .nav-links {
        gap: var(--space-4);
    }

    /* Hero tablet */
    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    /* Features tablet */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }

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

    /* Products tablet */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Footer tablet */
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Extra large devices (large desktops, 992px and up) */
@media (min-width: 992px) {
    .grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .modal {
        max-width: 700px;
    }

    /* Hero desktop */
    .hero-title {
        font-size: var(--font-size-5xl);
    }

    /* Features desktop */
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Categories desktop */
    .categories-grid {
        grid-template-columns: repeat(5, 1fr);
    }

    /* Footer desktop */
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Extra extra large devices (very large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .grid-cols-4 {
        grid-template-columns: repeat(4, 1fr);
    }

    .grid-cols-6 {
        grid-template-columns: repeat(6, 1fr);
    }

    .modal {
        max-width: 800px;
    }

    /* Features very large */
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===== Navigation Responsive ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .mobile-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-bg-primary);
        z-index: var(--z-modal);
        display: flex;
        flex-direction: column;
        padding: var(--space-6);
        padding-top: calc(var(--space-6) + 60px);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        overflow-y: auto;
    }

    .mobile-menu.active {
        transform: translateX(0);
    }

    .mobile-menu-item {
        padding: var(--space-4);
        font-size: var(--font-size-lg);
        border-bottom: 1px solid var(--color-border-primary);
        color: var(--color-text-primary);
        text-decoration: none;
        display: block;
        transition: background var(--transition-fast);
    }

    .mobile-menu-item:hover {
        background: var(--color-bg-secondary);
    }

    .mobile-menu-close {
        position: absolute;
        top: var(--space-4);
        right: var(--space-4);
        background: transparent;
        border: none;
        color: var(--color-text-primary);
        cursor: pointer;
        padding: var(--space-2);
        border-radius: var(--radius-md);
    }
}

@media (min-width: 769px) {
    .mobile-menu-btn {
        display: none;
    }

    .mobile-menu {
        display: none;
    }
}

/* ===== Hero Section Responsive ===== */
@media (max-width: 768px) {
    .hero {
        padding: var(--space-12) 0;
    }

    .hero h1 {
        font-size: var(--font-size-3xl);
    }

    .hero p {
        font-size: var(--font-size-base);
    }
}

@media (min-width: 769px) {
    .hero {
        padding: var(--space-20) 0;
    }

    .hero h1 {
        font-size: var(--font-size-5xl);
    }

    .hero p {
        font-size: var(--font-size-xl);
    }
}

/* ===== Product Grid Responsive ===== */
@media (max-width: 575.98px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 576px) and (max-width: 767.98px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) and (max-width: 991.98px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===== Sidebar Responsive ===== */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: 280px;
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        z-index: var(--z-modal);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: var(--z-modal-backdrop);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .sidebar-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .main-content {
        margin-left: 0;
    }
}

@media (min-width: 769px) {
    .sidebar {
        position: sticky;
        top: 0;
        transform: none;
    }

    .sidebar-overlay {
        display: none;
    }

    .main-content {
        margin-left: 280px;
    }
}

/* ===== Form Responsive ===== */
@media (max-width: 575.98px) {
    .form-row {
        flex-direction: column;
    }

    .form-col {
        width: 100%;
    }
}

@media (min-width: 576px) {
    .form-row {
        flex-direction: row;
        gap: var(--space-4);
    }

    .form-col {
        flex: 1;
    }
}

/* ===== Carousel Responsive ===== */
@media (max-width: 768px) {
    .carousel {
        padding: 0 var(--space-3);
    }

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

@media (min-width: 769px) {
    .carousel {
        padding: 0;
    }

    .carousel-slide {
        border-radius: var(--radius-2xl);
    }
}

/* ===== Print Styles ===== */
@media print {
    .no-print {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .card {
        border: 1px solid #ccc;
        box-shadow: none;
    }
}