/* ==========================================================================
   CSS Variables & Reset
   ========================================================================== */
   :root {
    /* Brand Colors */
    --color-primary: #A4C615; /* Lime Green */
    --color-primary-dark: #8aa810;
    --color-black: #111111;
    --color-black-light: #222222;
    --color-white: #ffffff;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #eeeeee;
    --color-gray-300: #e0e0e0;
    --color-gray-800: #333333;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Shadows & Radii */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 10px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-gray-100);
    color: var(--color-black);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-black);
    line-height: 1.2;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: var(--font-body);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(17, 17, 17, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.logo img {
    height: 45px;
    max-width: 50vw;
    object-fit: contain;
}

.hide-mobile {
    display: none;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-admin {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: transparent;
    color: var(--color-white);
    border: 1px solid var(--color-white);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.btn-admin:hover {
    background-color: var(--color-white);
    color: var(--color-black);
}

.cart-toggle {
    position: relative;
    background-color: var(--color-primary);
    color: var(--color-black);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition-fast);
}

.cart-toggle:hover {
    transform: scale(1.05);
    background-color: var(--color-primary-dark);
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--color-white);
    color: var(--color-black);
    font-size: 0.75rem;
    font-weight: 700;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    margin-top: 78px; /* Offset for mobile navbar */
    position: relative;
    background-color: var(--color-black);
}

.hero-image-container {
    width: 100%;
    overflow: hidden;
}

.hero-banner {
    width: 100%;
    height: auto;
    display: block;
}

.hero-content {
    padding: var(--spacing-lg) var(--spacing-sm);
    text-align: center;
    background: linear-gradient(to bottom, #111111, #222222);
    color: var(--color-white);
}

.hero-content h1 {
    color: var(--color-primary);
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.hero-content p {
    font-size: 1rem;
    opacity: 0.9;
}

/* ==========================================================================
   Catalog & Product Cards
   ========================================================================== */
.catalog {
    padding: var(--spacing-xl) 0;
}

.section-header {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.section-header h2 {
    font-size: 2rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--color-primary);
    border-radius: 2px;
}

.filters {
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.text-filter, .category-filter {
    padding: 0.6rem 1.2rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    background-color: var(--color-white);
    color: var(--color-black);
    outline: none;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.text-filter {
    flex-grow: 1;
    max-width: 400px;
}

.category-filter {
    min-width: 200px;
    cursor: pointer;
}

.text-filter:focus, .category-filter:focus, .category-filter:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(164, 198, 21, 0.2);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.product-card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    width: 100%;
    height: 250px;
    object-fit: contain;
    padding: var(--spacing-sm);
    background-color: var(--color-white);
    cursor: pointer;
    transition: var(--transition-normal);
}

.product-image:hover {
    transform: scale(1.05);
}

.product-info {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-brand {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-gray-800);
    opacity: 0.6;
    margin-bottom: 0.25rem;
}

.product-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    cursor: pointer;
}

.product-name:hover {
    color: var(--color-primary-dark);
}

.product-category {
    font-size: 0.85rem;
    color: var(--color-gray-800);
    margin-bottom: auto;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    color: var(--color-black);
    margin: var(--spacing-sm) 0;
}

.product-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.quantity-selector {
    display: flex;
    align-items: center;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.qty-btn {
    width: 40px;
    height: 40px;
    background-color: var(--color-gray-100);
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--color-black);
    transition: var(--transition-fast);
}

.qty-btn:hover {
    background-color: var(--color-gray-300);
}

.qty-input {
    flex-grow: 1;
    height: 40px;
    text-align: center;
    border: none;
    border-left: 1px solid var(--color-gray-300);
    border-right: 1px solid var(--color-gray-300);
    font-family: var(--font-body);
    font-weight: 600;
    -moz-appearance: textfield;
}

.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.btn-add-cart {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
    width: 100%;
}

.btn-add-cart:hover {
    background-color: var(--color-primary);
    color: var(--color-black);
}

/* ==========================================================================
   Shopping Cart Sidebar
   ========================================================================== */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--color-white);
    box-shadow: -5px 0 25px rgba(0,0,0,0.1);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    transition: right 0.4s cubic-bezier(0.77, 0, 0.175, 1);
}

.cart-sidebar.open {
    right: 0;
}

.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(3px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.cart-overlay.show {
    opacity: 1;
    visibility: visible;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-200);
}

.cart-header h3 {
    font-size: 1.25rem;
}

.close-cart {
    font-size: 1.5rem;
    color: var(--color-gray-800);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.close-cart:hover {
    background-color: var(--color-gray-200);
    color: var(--color-black);
}

.cart-items {
    flex-grow: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.cart-item {
    display: flex;
    gap: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-gray-200);
}

.cart-item-img {
    width: 70px;
    height: 70px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    background-color: var(--color-gray-100);
}

.cart-item-details {
    flex-grow: 1;
}

.cart-item-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.cart-item-price {
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 0.5rem;
}

.cart-item-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-item-qty {
    display: flex;
    align-items: center;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    overflow: hidden;
    height: 30px;
}

.cart-item-qty button {
    width: 25px;
    height: 100%;
    background-color: var(--color-gray-100);
}

.cart-item-qty input {
    width: 30px;
    height: 100%;
    text-align: center;
    border: none;
    font-size: 0.85rem;
}

.remove-item {
    color: #e53e3e;
    font-size: 0.85rem;
}

.empty-cart-message {
    text-align: center;
    color: var(--color-gray-800);
    margin-top: 2rem;
    font-style: italic;
}

.cart-footer {
    padding: var(--spacing-md);
    background-color: var(--color-gray-100);
    border-top: 1px solid var(--color-gray-200);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.btn-checkout {
    width: 100%;
    background-color: #25D366; /* WhatsApp Green */
    color: var(--color-white);
    padding: 1rem;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.btn-checkout:hover {
    background-color: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

/* ==========================================================================
   Modal
   ========================================================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0,0,0,0.6);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--color-white);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: translateY(20px);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.modal.show .modal-content {
    transform: translateY(0);
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background-color: var(--color-gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    z-index: 10;
    transition: var(--transition-fast);
}

.close-modal:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.modal-top-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.modal-description-section {
    border-top: 1px solid var(--color-gray-200);
    padding-top: var(--spacing-lg);
}

.modal-description-section h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.modal-image-container {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-100);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.modal-image-container img {
    max-height: 300px;
    object-fit: contain;
}

.modal-details h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
}

.modal-brand {
    color: var(--color-gray-800);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.modal-price {
    font-size: 2rem;
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
}

.modal-description {
    font-size: 0.95rem;
    color: var(--color-black-light);
    line-height: 1.6;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
    text-align: center;
    margin-top: auto;
}

/* ==========================================================================
   Media Queries
   ========================================================================== */
@media (min-width: 768px) {
    .hide-mobile {
        display: inline;
    }
    
    .logo img {
        height: 65px;
        max-width: none;
    }
    
    .hero {
        margin-top: 98px;
    }

    .hero-content h1 {
        font-size: 3rem;
    }
    
    .hero-content p {
        font-size: 1.25rem;
    }
    
    .modal-top-section {
        flex-direction: row;
        align-items: flex-start;
    }
    
    .modal-image-container {
        flex: 1;
    }

    .modal-essential-details {
        flex: 1;
    }
    
    .modal-image-container img {
        max-height: 400px;
    }
}