/* ============================================
   MediCare Pharmacy - Responsive Stylesheet
   Tablet, Mobile, and accessibility breakpoints
   ============================================ */

/* ============================================
   Large Desktop (1440px+)
   ============================================ */
@media (min-width: 1440px) {
    :root {
        --container-padding: var(--space-8);
    }
}

/* ============================================
   Tablet (768px - 1023px)
   ============================================ */
@media (max-width: 1023px) {
    :root {
        --text-5xl: 2.5rem;
        --text-4xl: 2rem;
        --text-3xl: 1.625rem;
        --container-padding: var(--space-5);
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-10);
        text-align: center;
    }

    .hero-content {
        order: 1;
    }

    .hero-visual {
        order: 0;
        max-width: 500px;
        margin: 0 auto;
    }

    .hero-description {
        margin: 0 auto var(--space-8);
    }

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

    .hero-search-box {
        max-width: 560px;
        margin: 0 auto var(--space-10);
    }

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

    .hero-floating-card {
        display: none;
    }

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

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

    .prescription-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .prescription-header {
        text-align: center;
    }

    .prescription-steps {
        max-width: 500px;
        margin: 0 auto;
    }

    .prescription-form-wrapper {
        max-width: 600px;
        margin: 0 auto;
    }

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

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

    .service-card-large {
        grid-column: span 2;
        grid-row: span 1;
        grid-template-columns: 1fr 1fr;
    }

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

    .testimonial-card {
        flex: 0 0 calc(50% - var(--space-3));
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .contact-info {
        max-width: 600px;
        margin: 0 auto;
        width: 100%;
    }

    .contact-form-wrapper {
        max-width: 600px;
        margin: 0 auto;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8);
    }

    .footer-brand {
        grid-column: span 2;
        max-width: 100%;
    }

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

    .products-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 300px;
        max-width: 85vw;
        z-index: calc(var(--z-drawer) + 1);
        border-radius: 0;
        transform: translateX(-100%);
        transition: transform var(--transition-slow);
        overflow-y: auto;
    }

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

    .sidebar-close {
        display: flex;
    }

    .mobile-filter-toggle {
        display: inline-flex;
    }

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

/* ============================================
   Mobile (max-width: 767px)
   ============================================ */
@media (max-width: 767px) {
    :root {
        --text-6xl: 2.5rem;
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
        --text-3xl: 1.5rem;
        --text-2xl: 1.25rem;
        --header-height: 64px;
        --header-height-scrolled: 56px;
        --container-padding: var(--space-4);
    }

    html {
        scroll-padding-top: calc(var(--header-height) + var(--space-4));
    }

    .section-header {
        margin-bottom: var(--space-8);
    }

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

    .section-subtitle {
        font-size: var(--text-base);
    }

    /* Navigation */
    .nav-links {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--space-4);
        gap: 0;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--transition-slow), opacity var(--transition-slow), visibility var(--transition-slow);
        z-index: var(--z-sticky);
        max-height: calc(100vh - var(--header-height));
        overflow-y: auto;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        padding: var(--space-3) var(--space-4);
        font-size: var(--text-base);
        width: 100%;
        text-align: left;
        border-radius: var(--radius-lg);
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active .hamburger-line:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .mobile-menu-toggle.active .hamburger-line:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active .hamburger-line:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .nav-cta {
        display: none;
    }

    /* Hero */
    .hero {
        padding-top: calc(var(--header-height) + var(--space-8));
        padding-bottom: var(--space-16);
    }

    .hero-heading {
        font-size: var(--text-4xl);
    }

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

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-btn {
        width: 100%;
        justify-content: center;
    }

    .hero-search-wrapper {
        flex-direction: column;
        gap: var(--space-2);
        padding: var(--space-3);
    }

    .hero-search-btn {
        width: 100%;
    }

    .hero-search-tags {
        justify-content: center;
    }

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

    .hero-stat-divider {
        display: none;
    }

    .hero-stat {
        align-items: center;
        min-width: 80px;
    }

    .hero-visual {
        max-width: 100%;
    }

    /* Categories */
    .categories {
        padding: var(--space-16) 0;
    }

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

    .category-card {
        padding: var(--space-5) var(--space-4);
    }

    .category-card-icon {
        width: 48px;
        height: 48px;
    }

    .category-card-icon svg {
        width: 22px;
        height: 22px;
    }

    .category-card-title {
        font-size: var(--text-base);
    }

    /* Products */
    .products {
        padding: var(--space-16) 0;
    }

    .products-filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-tabs {
        overflow-x: auto;
        padding: var(--space-1);
    }

    .filter-sort {
        justify-content: flex-end;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

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

    .product-card-name {
        font-size: var(--text-sm);
    }

    .product-card-desc {
        font-size: var(--text-xs);
    }

    .product-card-price {
        font-size: var(--text-lg);
    }

    /* Prescription */
    .prescription {
        padding: var(--space-16) 0;
    }

    .prescription-form-wrapper {
        padding: var(--space-5);
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: var(--text-base);
    }

    /* Why Us */
    .why-us {
        padding: var(--space-16) 0;
    }

    .why-us-grid {
        grid-template-columns: 1fr;
    }

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

    /* Services */
    .services {
        padding: var(--space-16) 0;
    }

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

    .service-card-large {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }

    .service-card-large .service-card-image {
        aspect-ratio: 16 / 9;
        height: auto;
    }

    .service-card-title {
        font-size: var(--text-lg);
    }

    /* Health Tips */
    .health-tips {
        padding: var(--space-16) 0;
    }

    .health-tips-grid {
        grid-template-columns: 1fr;
    }

    /* Testimonials */
    .testimonials {
        padding: var(--space-16) 0;
    }

    .testimonial-card {
        flex: 0 0 100%;
        padding: var(--space-6);
    }

    .testimonials-nav {
        margin-top: var(--space-6);
    }

    /* FAQ */
    .faq {
        padding: var(--space-16) 0;
    }

    .faq-question {
        font-size: var(--text-base);
        padding: var(--space-4) 0;
    }

    .faq-answer p {
        font-size: var(--text-sm);
    }

    /* Contact */
    .contact {
        padding: var(--space-16) 0;
    }

    .contact-form-wrapper {
        padding: var(--space-5);
    }

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

    /* Newsletter */
    .newsletter {
        padding: var(--space-12) 0;
    }

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

    .newsletter-text {
        font-size: var(--text-base);
    }

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

    .newsletter-btn {
        width: 100%;
    }

    /* Footer */
    .main-footer {
        padding-top: var(--space-12);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }

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

    .footer-social {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-payment {
        flex-direction: column;
        gap: var(--space-2);
    }

    /* Cart Drawer */
    .cart-drawer {
        max-width: 100%;
    }

    /* Search Overlay */
    .search-container {
        margin: 0 var(--space-4);
        border-radius: var(--radius-xl);
    }

    .search-input-wrapper {
        padding: var(--space-4);
    }

    .search-input {
        font-size: var(--text-base);
    }

    /* Page Header */
    .page-header {
        padding-top: calc(var(--header-height) + var(--space-8));
        padding-bottom: var(--space-8);
    }

    .page-header-title {
        font-size: var(--text-3xl);
    }

    /* All Products */
    .all-products {
        padding: var(--space-8) 0 var(--space-16);
    }

    .all-products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

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

    .products-sort {
        justify-content: space-between;
    }

    /* Back to Top */
    .back-to-top {
        width: 44px;
        height: 44px;
        bottom: var(--space-4);
        right: var(--space-4);
    }
}

/* ============================================
   Small Mobile (max-width: 480px)
   ============================================ */
@media (max-width: 480px) {
    .categories-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-3);
    }

    .products-grid,
    .all-products-grid {
        grid-template-columns: 1fr;
    }

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

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

    .testimonial-card {
        padding: var(--space-5);
    }

    .prescription-form-wrapper,
    .contact-form-wrapper {
        padding: var(--space-4);
    }
}

/* ============================================
   Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ============================================
   High Contrast Mode
   ============================================ */
@media (prefers-contrast: high) {
    :root {
        --color-border: #9CA3AF;
        --shadow-sm: none;
        --shadow-md: none;
        --shadow-lg: none;
    }

    .product-card,
    .category-card,
    .why-us-card,
    .service-card,
    .health-tip-card,
    .testimonial-card,
    .contact-card,
    .prescription-form-wrapper,
    .contact-form-wrapper {
        border: 2px solid var(--color-text);
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .main-header,
    .back-to-top,
    .nav-actions,
    .hero-visual,
    .hero-search-box,
    .hero-actions,
    .newsletter,
    .footer-social,
    .footer-payment,
    .cart-drawer,
    .cart-overlay,
    .search-overlay,
    .mobile-menu-toggle,
    .mobile-filter-toggle,
    .products-sidebar,
    .sidebar-overlay,
    .testimonials-nav,
    .products-load-more,
    .products-pagination {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

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

    .hero {
        padding-top: var(--space-6);
        background: none;
    }

    .hero-heading {
        font-size: 24pt;
    }

    .product-card,
    .category-card,
    .why-us-card,
    .service-card,
    .health-tip-card,
    .testimonial-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }

    a {
        text-decoration: underline;
    }

    a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }
}