/* ==========================================================================
   DEPORTEX PERÚ - Premium Athletic CSS Design System
   ========================================================================== */

/* Design Tokens & Variables */
:root {
    --primary-color: #0E663A;          /* Active Logo Green */
    --primary-light: #169E5B;          /* Vibrant Green Accent */
    --primary-dark: #084024;           /* Deep Forest Green */
    --secondary-color: #FF3837;        /* Energetic Logo Red */
    --secondary-hover: #D82120;        /* Deep Coral Red */
    
    --bg-dark-900: #0B0F19;            /* Deep Athletic Navy/Black */
    --bg-dark-800: #121A2E;            /* Card & Header Slate */
    --bg-dark-700: #1C2844;            /* Hover Slate */
    
    --bg-light-100: #F4FDF7;           /* Fresh tint of green-white */
    --bg-light-200: #E7F9EE;           
    
    --text-white: #FFFFFF;
    --text-silver: #E2E8F0;            /* Main text on dark */
    --text-muted: #94A3B8;             /* Muted details */
    --text-dark: #0F172A;              /* Primary text on light */
    
    --font-primary: 'Inter', sans-serif;
    --font-accent: 'Montserrat', sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    
    --shadow-premium: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-subtle: 0 4px 12px rgba(0, 0, 0, 0.05);
}

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

html {
    scroll-behavior: smooth;
    font-family: var(--font-primary);
    background-color: var(--bg-dark-900);
    color: var(--text-silver);
}

body {
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-accent);
    font-weight: 700;
    color: var(--text-white);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

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

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    background-color: rgba(14, 102, 58, 0.15);
    border: 1px solid var(--primary-light);
    color: var(--primary-light);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    font-family: var(--font-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.section-header {
    text-align: left;
    margin-bottom: 48px;
    max-width: 700px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: -0.5px;
    position: relative;
}

.section-header h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--secondary-color);
    margin-top: 12px;
    border-radius: 2px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 16px;
}

/* Button UI */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-accent);
    font-weight: 700;
    font-size: 14px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-white);
}

.btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(22, 158, 91, 0.4);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--text-white);
}

.btn-secondary:hover {
    background-color: var(--secondary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 56, 55, 0.4);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--text-white);
    color: var(--text-white);
}

.btn-outline:hover {
    background-color: var(--text-white);
    color: var(--bg-dark-900);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 12px;
}

.w-100 {
    width: 100%;
}

/* Navigation Header */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
}

.nav-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-accent);
    font-weight: 600;
    font-size: 15px;
    color: var(--text-silver);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: var(--transition-smooth);
}

.nav-link.active,
.nav-link:hover {
    color: var(--text-white);
}

.nav-link.active::after,
.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 10px 20px;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-accent);
    font-weight: 700;
    font-size: 14px;
}

.nav-cta:hover {
    background-color: var(--primary-light);
    transform: scale(1.05);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 24px;
    cursor: pointer;
}

/* Sections Toggle Handler */
.tab-content {
    display: none;
    padding-top: 80px; /* Offset for sticky nav */
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.tab-content.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* Hero Section */
.hero-section {
    background-size: cover;
    background-position: center;
    height: 90vh;
    min-height: 550px;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-content {
    z-index: 10;
}

.hero-tag {
    font-family: var(--font-accent);
    font-weight: 800;
    font-size: 14px;
    letter-spacing: 4px;
    color: var(--secondary-color);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: -2px;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text-white) 60%, var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-silver);
    max-width: 600px;
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* Features Bar */
.features-bar {
    background-color: var(--bg-dark-800);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 32px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 12px;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(14, 102, 58, 0.1);
    border: 1px solid rgba(14, 102, 58, 0.3);
    color: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.feature-text h3 {
    font-size: 18px;
    margin-bottom: 4px;
    text-transform: uppercase;
}

.feature-text p {
    color: var(--text-muted);
    font-size: 14px;
}

/* Sports Showcase Card */
.sports-showcase {
    padding: 96px 24px;
}

.sports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.sport-card {
    position: relative;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    height: 400px;
    box-shadow: var(--shadow-premium);
    cursor: pointer;
}

.sport-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.sport-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 40px 32px;
    background: linear-gradient(to top, rgba(11, 15, 25, 0.95) 20%, rgba(11, 15, 25, 0.4) 70%, transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    transition: var(--transition-smooth);
}

.sport-card:hover .sport-img {
    transform: scale(1.1);
}

.sport-card:hover .sport-overlay {
    background: linear-gradient(to top, rgba(14, 102, 58, 0.95) 30%, rgba(14, 102, 58, 0.5) 75%, transparent);
}

.sport-overlay h3 {
    font-size: 24px;
    margin-bottom: 8px;
}

.sport-overlay p {
    color: var(--text-silver);
    font-size: 14px;
    opacity: 0.8;
}

/* Shipping Promo Zone */
.shipping-promo {
    background-color: var(--bg-dark-800);
    padding: 80px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.shipping-flex {
    display: flex;
    align-items: center;
    gap: 60px;
}

.shipping-image {
    flex: 1;
    position: relative;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-premium);
}

.ship-img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.ship-tag {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: var(--secondary-color);
    color: var(--text-white);
    padding: 8px 16px;
    border-radius: 50px;
    font-family: var(--font-accent);
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
}

.shipping-info {
    flex: 1.2;
}

.shipping-info h2 {
    font-size: 32px;
    margin-bottom: 24px;
}

.shipping-info p {
    color: var(--text-silver);
    font-size: 16px;
    margin-bottom: 24px;
}

.shipping-list {
    list-style: none;
    margin-bottom: 36px;
}

.shipping-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 15px;
}

.shipping-list li i {
    color: var(--primary-light);
    font-size: 18px;
}

/* Catalog UI Elements */
.catalog-wrapper {
    padding: 60px 24px 96px 24px;
}

.catalog-header-center {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 48px auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.catalog-header-center h2::after {
    margin: 12px auto 0 auto;
}

.search-bar-container {
    position: relative;
    width: 100%;
    max-width: 480px;
    margin-top: 28px;
}

.search-icon {
    position: absolute;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    color: var(--text-muted);
}

#catalog-search {
    width: 100%;
    padding: 16px 20px 16px 52px;
    background-color: var(--bg-dark-800);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    color: var(--text-white);
    font-size: 15px;
    transition: var(--transition-smooth);
}

#catalog-search:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 10px rgba(22, 158, 91, 0.2);
}

/* Catalog Layout Side & Main */
.catalog-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: start;
}

.catalog-sidebar {
    background-color: var(--bg-dark-800);
    padding: 32px 24px;
    border-radius: var(--border-radius-md);
    position: sticky;
    top: 110px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.catalog-sidebar h3 {
    font-size: 18px;
    text-transform: uppercase;
    margin-bottom: 20px;
    border-left: 3px solid var(--secondary-color);
    padding-left: 10px;
}

.category-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.category-btn {
    text-align: left;
    background: none;
    border: none;
    padding: 12px 16px;
    color: var(--text-muted);
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 14px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.category-btn:hover {
    background-color: var(--bg-dark-700);
    color: var(--text-white);
}

.category-btn.active {
    background-color: var(--primary-color);
    color: var(--text-white);
    font-weight: 600;
}

/* Mobile category selector horizontal scroll */
.mobile-filters-scroll {
    display: none;
    width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    padding: 10px 0;
    margin-top: 16px;
    gap: 8px;
}

.mobile-filters-scroll::-webkit-scrollbar {
    height: 4px;
}

.mobile-filters-scroll::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.mobile-category-btn {
    display: inline-block;
    padding: 8px 16px;
    background-color: var(--bg-dark-800);
    color: var(--text-muted);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-right: 6px;
}

.mobile-category-btn.active {
    background-color: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-light);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 28px;
}

.product-card {
    background-color: var(--bg-dark-800);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: var(--shadow-subtle);
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-premium);
    border-color: rgba(14, 102, 58, 0.3);
}

.product-img-wrapper {
    position: relative;
    width: 100%;
    padding-top: 100%; /* 1:1 Aspect Ratio */
    background-color: var(--bg-dark-900);
    overflow: hidden;
}

.product-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-img {
    transform: scale(1.08);
}

.product-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-category {
    font-size: 11px;
    font-family: var(--font-accent);
    color: var(--primary-light);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.product-name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-white);
    line-height: 1.3;
}

.product-specs {
    list-style: none;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 20px;
    margin-top: auto;
}

.product-specs li {
    margin-bottom: 6px;
    display: flex;
    justify-content: space-between;
}

.product-specs span.spec-val {
    color: var(--text-silver);
    font-weight: 500;
}

.card-btn {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    padding: 12px;
    font-family: var(--font-accent);
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

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

.no-results {
    text-align: center;
    padding: 80px 24px;
}

.no-results i {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.no-results p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* Contact Area UI */
.contact-container {
    padding: 60px 24px 96px 24px;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-card {
    background-color: var(--bg-dark-800);
    padding: 40px;
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.card-desc {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 28px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-silver);
}

.form-group input,
.form-group textarea {
    padding: 14px;
    background-color: var(--bg-dark-900);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    color: var(--text-white);
    font-family: var(--font-primary);
    font-size: 14px;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
}

.contact-details-card {
    background-color: var(--bg-dark-800);
    padding: 40px;
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-details-card h3 {
    font-size: 24px;
    margin-bottom: 28px;
}

.details-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.details-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.detail-icon {
    font-size: 22px;
    color: var(--secondary-color);
    margin-top: 4px;
}

.detail-text h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.detail-text p {
    color: var(--text-muted);
    font-size: 14px;
}

.detail-text a {
    color: var(--text-silver);
}

.detail-text a:hover {
    color: var(--primary-light);
}

/* Footer layout and content */
.footer {
    background-color: var(--bg-dark-900);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 80px 0 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo {
    height: 44px;
    width: auto;
    object-fit: contain;
    align-self: flex-start;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 14px;
    max-width: 320px;
}

.footer-links,
.footer-social {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-links h4,
.footer-social h4 {
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 14px;
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 4px;
}

.social-icons {
    display: flex;
    gap: 16px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    background-color: var(--bg-dark-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.social-icons a:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-light);
    transform: translateY(-4px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 28px 0;
    background-color: rgba(0, 0, 0, 0.15);
    font-size: 13px;
    color: var(--text-muted);
}

.footer-bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Modal Overlay & Details */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    background-color: rgba(11, 15, 25, 0.9);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal-overlay.active {
    display: flex;
}

.modal-card {
    background-color: var(--bg-dark-800);
    border-radius: var(--border-radius-md);
    width: 100%;
    max-width: 900px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-premium);
    animation: zoomIn 0.3s ease forwards;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 24px;
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 32px;
    cursor: pointer;
    z-index: 10;
}

.modal-body {
    padding: 0;
}

.modal-detail-flex {
    display: flex;
    flex-wrap: wrap;
}

.modal-detail-image {
    flex: 1;
    min-width: 320px;
    background-color: var(--bg-dark-900);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-detail-image img {
    width: 100%;
    height: 100%;
    max-height: 480px;
    object-fit: cover;
}

.modal-detail-info {
    flex: 1.2;
    min-width: 320px;
    padding: 48px;
    display: flex;
    flex-direction: column;
}

.modal-detail-info h2 {
    font-size: 30px;
    margin-top: 8px;
    margin-bottom: 24px;
}

.detail-specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 32px;
}

.detail-specs-table tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.detail-specs-table td {
    padding: 12px 0;
    font-size: 14px;
}

.detail-specs-table td.spec-lbl {
    color: var(--text-muted);
    font-weight: 500;
}

.detail-specs-table td.spec-val {
    color: var(--text-white);
    font-weight: 600;
    text-align: right;
}

/* Floating WhatsApp Button */
.floating-whatsapp {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    z-index: 1000;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    animation: pulse 2s infinite;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
}

.whatsapp-tooltip {
    position: absolute;
    right: 76px;
    background-color: var(--bg-dark-800);
    color: var(--text-white);
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    white-space: nowrap;
    border: 1px solid rgba(255, 255, 255, 0.05);
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-premium);
}

.floating-whatsapp:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* Animations */
@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

.animate-up {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.delay-1 {
    animation-delay: 0.15s;
}

.delay-2 {
    animation-delay: 0.3s;
}

.delay-3 {
    animation-delay: 0.45s;
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 991px) {
    .hero-title {
        font-size: 48px;
    }
    
    .catalog-layout {
        grid-template-columns: 1fr;
    }
    
    .catalog-sidebar {
        display: none; /* Hide sidebar filter on mobile */
    }
    
    .mobile-filters-scroll {
        display: flex; /* Show horizontal category filter on mobile */
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .shipping-flex {
        flex-direction: column;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--bg-dark-800);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        display: none;
    }
    
    .nav-menu.open {
        display: flex;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
        padding: 12px 0;
    }
    
    .hero-title {
        font-size: 38px;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    
    .footer-bottom-flex {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    
    .modal-detail-info {
        padding: 28px;
    }
    
    .modal-detail-info h2 {
        font-size: 24px;
    }
}