/* ============================================================
   LOCAL CONECTADO - TECH STORE
   Modern Tech Design - Black + Green Theme
   Inspired by sidemarket.cl
   ============================================================ */

/* CSS Variables - Tech Theme */
:root {
    /* Brand Colors - Tech Black + Green */
    --color-primary: #00D084;
    /* Verde Esperanza */
    --color-primary-light: #00F099;
    --color-primary-dark: #00A067;

    --color-bg-dark: #0A0A0A;
    /* Negro Principal */
    --color-bg-card: #1A1A1A;
    /* Gris Oscuro Cards */
    --color-bg-hover: #2A2A2A;
    /* Gris Medio Hover */

    --color-text-white: #E8E8E8;
    /* Texto Claro */
    --color-text-gray: #A0A0A0;
    /* Texto Secundario */
    --color-border: #2A2A2A;
    /* Bordes */

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00D084 0%, #00A067 100%);
    --gradient-dark: linear-gradient(180deg, #0A0A0A 0%, #1A1A1A 100%);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 208, 132, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 208, 132, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 208, 132, 0.2);
    --shadow-glow: 0 0 20px rgba(0, 208, 132, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Reset */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-dark);
    color: var(--color-text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.header-top {
    background: var(--gradient-primary);
    padding: var(--spacing-xs) 0;
    text-align: center;
}

.header-top .container {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--color-bg-dark);
    font-weight: 500;
}

.navbar {
    padding: var(--spacing-md) 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-text-white);
}

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

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.logo-tagline {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--color-text-gray);
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--color-text-gray);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    background: var(--color-bg-card);
}

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

.search-btn,
.cart-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--color-text-white);
    transition: all var(--transition-fast);
}

.search-btn:hover,
.cart-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.cart-btn {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 20px;
    height: 20px;
    background: var(--gradient-primary);
    color: var(--color-bg-dark);
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 140px 0 var(--spacing-3xl);
    background: var(--gradient-dark);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(0, 208, 132, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 208, 132, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background: rgba(0, 208, 132, 0.1);
    color: var(--color-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(0, 208, 132, 0.2);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, #E8E8E8 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--color-text-gray);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-bg-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-white);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-card);
    border-color: var(--color-primary);
}

/* ============================================================
   SECTIONS
   ============================================================ */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-badge {
    display: inline-block;
    background: rgba(0, 208, 132, 0.1);
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(0, 208, 132, 0.2);
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.section-description {
    color: var(--color-text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================================
   CATEGORIES
   ============================================================ */

.categories {
    padding: var(--spacing-3xl) 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.category-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.category-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.category-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.category-count {
    color: var(--color-text-gray);
    font-size: 0.9rem;
}

/* ============================================================
   PRODUCTS
   ============================================================ */

.products {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-dark);
}

.products-filters {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.filter-tab {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    color: var(--color-text-white);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-tab:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-tab.active {
    background: var(--gradient-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-dark);
}

.filter-search {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.filter-search input {
    border: none;
    outline: none;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    width: 200px;
    background: transparent;
    color: var(--color-text-white);
}

.filter-search input::placeholder {
    color: var(--color-text-gray);
}

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

.product-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.product-image {
    position: relative;
    height: 220px;
    background: var(--color-bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image-placeholder {
    font-size: 4rem;
}

.product-real-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.product-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--color-bg-dark);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
}

.product-content {
    padding: var(--spacing-lg);
}

.product-category {
    font-size: 0.8rem;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
}

.product-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.product-price-container {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.product-unit {
    font-size: 0.85rem;
    color: var(--color-text-gray);
}

.product-stock {
    font-size: 0.8rem;
    margin-bottom: var(--spacing-md);
}

.product-stock.in-stock {
    color: var(--color-primary);
}

.product-stock.low-stock {
    color: #FFA500;
}

.product-stock.out-of-stock {
    color: #FF4444;
}

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

.btn-add-cart {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--color-bg-dark);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-add-cart:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-add-cart:disabled {
    background: var(--color-bg-hover);
    color: var(--color-text-gray);
    cursor: not-allowed;
}

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

.qty-btn {
    width: 32px;
    height: 32px;
    background: var(--color-bg-hover);
    border: none;
    cursor: pointer;
    color: var(--color-text-white);
    font-weight: 600;
    transition: background var(--transition-fast);
}

.qty-btn:hover {
    background: var(--color-primary);
    color: var(--color-bg-dark);
}

.qty-input {
    width: 40px;
    height: 32px;
    border: none;
    text-align: center;
    background: transparent;
    color: var(--color-text-white);
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand p {
    margin-top: var(--spacing-md);
    color: var(--color-text-gray);
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.footer-links a {
    display: block;
    color: var(--color-text-gray);
    text-decoration: none;
    padding: var(--spacing-xs) 0;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-gray);
    font-size: 0.85rem;
}

.powered-by {
    color: var(--color-primary);
}

/* ============================================================
   WHATSAPP BUTTON
   ============================================================ */

.whatsapp-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bg-dark);
    box-shadow: var(--shadow-glow);
    z-index: 999;
    transition: all var(--transition-normal);
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(0, 208, 132, 0.5);
}

/* ============================================================
   CART SIDEBAR
   ============================================================ */

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: var(--color-bg-card);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    transition: right var(--transition-normal);
    border-left: 1px solid var(--color-border);
}

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

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

.cart-close {
    width: 40px;
    height: 40px;
    background: var(--color-bg-hover);
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-text-white);
    cursor: pointer;
}

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

.cart-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-dark);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-border);
}

.cart-item-image {
    width: 60px;
    height: 60px;
    background: var(--color-bg-hover);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.cart-item-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

/* ============================================================
   LOADING
   ============================================================ */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    font-size: 4rem;
    animation: spin 2s linear infinite;
    color: var(--color-primary);
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

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

    .filter-search input {
        width: 100%;
    }

    .cart-sidebar {
        width: 100%;
        right: -100%;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}