/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary: #fbbf24;
    --primary-dark: #f59e0b;
    --secondary: #1f2937;
    --background: #000000;
    --surface: #111827;
    --surface-light: #1f2937;
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --border: rgba(255, 255, 255, 0.1);
    --border-light: rgba(255, 255, 255, 0.2);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #fbbf24, #f59e0b);
    --gradient-dark: linear-gradient(135deg, #111827, #1f2937);
    --gradient-surface: linear-gradient(135deg, rgba(31, 41, 55, 0.5), rgba(17, 24, 39, 0.5));
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease-out;
}

.animate-fadeInLeft {
    animation: fadeInLeft 0.8s ease-out;
}

.animate-fadeInRight {
    animation: fadeInRight 0.8s ease-out;
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-rotate {
    animation: rotate 20s linear infinite;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    height: 70px;
    background: rgba(0, 0, 0, 0.98);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.98);
    border-bottom: 1px solid var(--primary);
    box-shadow: 0 4px 20px rgba(251, 191, 36, 0.1);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    padding: var(--spacing-xs);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(245, 158, 11, 0.1));
    border: 1px solid rgba(251, 191, 36, 0.2);
}

.logo:hover {
    transform: scale(1.05);
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(245, 158, 11, 0.2));
    border-color: rgba(251, 191, 36, 0.4);
    box-shadow: 0 0 20px rgba(251, 191, 36, 0.3);
}

.logo-image {
    height: 50px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
    transition: all var(--transition-normal);
}

.logo:hover .logo-image {
    filter: brightness(0) invert(1) sepia(1) saturate(5) hue-rotate(35deg);
}

.footer-logo-image {
    height: 32px;
    width: auto;
    object-fit: contain;
    margin-bottom: var(--spacing-sm);
}

.product-hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-xl);
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon i {
    width: 28px;
    height: 28px;
    color: var(--background);
}

.logo-text h1 {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff, #d1d5db);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 600;
}

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

.nav-link {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    padding: var(--spacing-sm) 0;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    transform: translateY(-2px);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
}

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

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: var(--spacing-sm);
    width: 16px;
    height: 16px;
    color: var(--text-muted);
}

.search-box input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) 2.5rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-normal);
    width: 200px;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.15);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-btn i {
    width: 24px;
    height: 24px;
}

.mobile-menu {
    display: none;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
}

.mobile-menu-content {
    padding: var(--spacing-md) 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.nav-link-mobile {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    cursor: pointer;
    transition: color var(--transition-normal);
    padding: var(--spacing-sm) 0;
    text-align: left;
}

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

.mobile-cta {
    margin-top: var(--spacing-md);
}

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

.product-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.product-buttons .btn {
    flex: 1;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
}

/* Cart Sidebar */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: var(--gradient-surface);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--border);
    z-index: 10001;
    transition: right 0.3s ease-out;
    display: flex;
    flex-direction: column;
}

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

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

.cart-header h3 {
    color: var(--primary);
    font-size: 1.25rem;
}

.cart-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}

.cart-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

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

.cart-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border);
}

.cart-item-image {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

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

.cart-item-info {
    flex: 1;
}

.cart-item-info h4 {
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

.cart-item-info p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-bottom: var(--spacing-xs);
}

.cart-item-price {
    font-weight: 600;
    color: var(--primary);
}

.cart-footer {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.5);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    font-size: 1.25rem;
    font-weight: 700;
}

.cart-total span:last-child {
    color: var(--primary);
}

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

.empty-cart {
    text-align: center;
    color: var(--text-secondary);
    padding: var(--spacing-2xl);
}

/* Cart overlay */
.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-out;
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

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

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

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

.btn-dark:hover {
    background: var(--surface);
}

.btn-outline-dark {
    background: transparent;
    color: var(--background);
    border: 1px solid rgba(0, 0, 0, 0.3);
}

.btn-outline-dark:hover {
    background: rgba(0, 0, 0, 0.1);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

.btn i {
    width: 20px;
    height: 20px;
}

/* Main Content */
.main-content {
    padding-top: 70px;
}

.section {
    display: block;
    min-height: 100vh;
    padding: var(--spacing-3xl) 0;
}

.section.active {
    display: block;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, #ffffff, #d1d5db);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 48rem;
    margin: 0 auto;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(251, 191, 36, 0.2);
    color: var(--primary);
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: -70px;
    padding-top: 70px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #000000, #1f2937, #000000);
}

.gradient-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 20%, rgba(251, 191, 36, 0.1) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
}

.radial-gradient-1 {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 70% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
}

.radial-gradient-2 {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(168, 85, 247, 0.05) 0%, transparent 70%);
}

.particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: rgba(251, 191, 36, 0.3);
    border-radius: 50%;
    animation: float 3s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    width: 100%;
}

.hero-text {
    text-align: left;
}

.sponsor-badge {
    background: rgba(251, 191, 36, 0.2);
    color: var(--primary);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.title-line-1 {
    display: block;
    background: linear-gradient(135deg, #ffffff, #d1d5db);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-line-2 {
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 32rem;
}

.highlight {
    color: var(--primary);
    font-weight: 600;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.stat {
    text-align: center;
}

.stat-icon {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.stat-icon i {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.stat-number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.hero-visual {
    position: relative;
}

.product-showcase {
    position: relative;
}

.product-card {
    background: var(--gradient-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-3xl);
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
    text-align: center;
}

.product-badge {
    background: rgba(251, 191, 36, 0.2);
    color: var(--primary);
    border: 1px solid rgba(251, 191, 36, 0.3);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: inline-block;
}

.product-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.product-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.product-image {
    width: 192px;
    height: 256px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(245, 158, 11, 0.2));
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal);
}

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

.product-image i {
    width: 64px;
    height: 64px;
    color: var(--primary);
}

.product-specs {
    margin-bottom: var(--spacing-lg);
}

.spec {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border);
}

.spec:last-child {
    border-bottom: none;
}

.spec span:first-child {
    color: var(--text-secondary);
}

.spec span:last-child {
    color: var(--text-primary);
    font-weight: 600;
}

.floating-element {
    position: absolute;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-star {
    top: -16px;
    right: -16px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    animation: rotate 20s linear infinite;
}

.floating-heart {
    bottom: -16px;
    left: -16px;
    background: linear-gradient(135deg, #10b981, #059669);
    animation: float 3s ease-in-out infinite;
}

.floating-element i {
    width: 32px;
    height: 32px;
    color: white;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: float 2s ease-in-out infinite;
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: var(--spacing-sm);
}

.scroll-wheel {
    width: 4px;
    height: 12px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 2px;
}

/* Features Section */
.features-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, #000000, #1f2937);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--gradient-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-lg);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--border-light);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.feature-card[data-color="green"] .feature-icon {
    background: linear-gradient(135deg, #10b981, #059669);
}

.feature-card[data-color="blue"] .feature-icon {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.feature-card[data-color="purple"] .feature-icon {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.feature-card[data-color="yellow"] .feature-icon {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
}

.feature-card[data-color="red"] .feature-icon {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.feature-card[data-color="indigo"] .feature-icon {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
}

.feature-icon i {
    width: 24px;
    height: 24px;
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-primary);
}

.cta-content {
    text-align: center;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 900;
    color: var(--background);
    margin-bottom: var(--spacing-lg);
}

.cta-content p {
    font-size: 1.25rem;
    color: rgba(0, 0, 0, 0.8);
    margin-bottom: var(--spacing-xl);
    max-width: 32rem;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

/* Products Section */
.product-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    color: var(--background);
    border-color: var(--primary);
}

.filter-btn i {
    width: 16px;
    height: 16px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.product-item {
    background: var(--gradient-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.product-item:hover {
    transform: translateY(-10px);
    border-color: var(--border-light);
}

.product-image-container {
    position: relative;
    height: 256px;
    background: linear-gradient(135deg, #374151, #1f2937);
    overflow: hidden;
}

.product-item-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    z-index: 10;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
}

.product-actions {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.product-item:hover .product-actions {
    opacity: 1;
}

.action-btn {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.action-btn i {
    width: 16px;
    height: 16px;
    color: white;
}

.product-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.product-icon {
    width: 128px;
    height: 160px;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(245, 158, 11, 0.2));
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal);
}

.product-item:hover .product-icon {
    transform: scale(1.1) rotate(5deg);
}

.product-icon i {
    width: 48px;
    height: 48px;
    color: var(--primary);
}

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

.product-item:hover .product-real-image {
    transform: scale(1.1);
}

.product-price {
    position: absolute;
    bottom: var(--spacing-md);
    left: var(--spacing-md);
}

.current-price {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary);
}

.original-price {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-left: var(--spacing-sm);
}

.discount {
    font-size: 0.75rem;
    color: #10b981;
    font-weight: 600;
    display: block;
}

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

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.stars {
    display: flex;
}

.star {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
}

.star.filled {
    color: var(--primary);
}

.rating-text {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.product-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.product-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.product-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.feature-tag {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.product-colors {
    margin-bottom: var(--spacing-md);
}

.colors-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.color-options {
    display: flex;
    gap: var(--spacing-xs);
}

.color-option {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6b7280, #374151);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.color-option:hover {
    transform: scale(1.1);
}

.color-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.5), rgba(245, 158, 11, 0.5));
}

.help-section {
    margin-top: var(--spacing-3xl);
}

.help-card {
    background: var(--gradient-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-3xl);
    padding: var(--spacing-xl);
    text-align: center;
    backdrop-filter: blur(10px);
}

.help-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.help-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 32rem;
    margin-left: auto;
    margin-right: auto;
}

.help-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

/* Calculator Section */
.calculator-content {
    max-width: 64rem;
    margin: 0 auto;
}

.calculator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.calculator-form,
.calculator-results {
    display: flex;
    flex-direction: column;
}

.form-card,
.results-card {
    background: var(--gradient-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
    height: fit-content;
}

.form-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.form-header i {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.form-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.15);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.calculate-btn {
    width: 100%;
    position: relative;
}

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

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.results-placeholder {
    text-align: center;
    padding: var(--spacing-xl);
}

.placeholder-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-icon i {
    width: 64px;
    height: 64px;
    color: var(--text-muted);
}

.results-content {
    animation: fadeInUp 0.8s ease-out;
}

.results-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.results-header i {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.result-item {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
}

.result-value {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-xs);
}

.result-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.metabolism-section {
    border-top: 1px solid var(--border);
    padding-top: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.metabolism-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.metabolism-title i {
    width: 16px;
    height: 16px;
    color: var(--primary);
}

.metabolism-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    font-size: 0.875rem;
}

.metabolism-item {
    display: flex;
    justify-content: space-between;
}

.metabolism-label {
    color: var(--text-muted);
}

.metabolism-value {
    color: var(--text-primary);
    font-weight: 600;
}

.recommendations {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(29, 78, 216, 0.1));
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-lg);
}

.recommendations-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.recommendations-header i {
    width: 20px;
    height: 20px;
    color: #3b82f6;
}

.recommendations-header h4 {
    color: #3b82f6;
    font-weight: 700;
}

.recommendation-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-sm);
}

.recommendation-info h5 {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.recommendation-info p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.recommendation-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
}

.recommendations-cta {
    margin-top: var(--spacing-md);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.about-text p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.mission-points {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mission-point {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.point-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    margin-top: 8px;
    flex-shrink: 0;
}

.mission-point h4 {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.mission-point p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.stat-card {
    background: var(--gradient-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-lg);
    text-align: center;
    backdrop-filter: blur(10px);
}

.stat-card .stat-icon {
    width: 32px;
    height: 32px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-card .stat-icon i {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

.stat-card .stat-number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.stat-card .stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Athletes Section */
.sponsor-section {
    margin-bottom: var(--spacing-3xl);
}

.sponsor-card {
    background: var(--gradient-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-3xl);
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.sponsor-image {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
}

.team-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--radius-2xl);
}

.sponsor-content {
    padding: var(--spacing-md);
}

.sponsor-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(251, 191, 36, 0.2);
    color: var(--primary);
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.sponsor-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--primary);
}

.sponsor-content p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.sponsor-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.sponsor-stat {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
}

.sponsor-stat .stat-number {
    display: block;
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.sponsor-stat .stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.athletes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.athlete-card {
    background: var(--gradient-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-lg);
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.athlete-card:hover {
    border-color: rgba(251, 191, 36, 0.3);
    transform: translateY(-5px);
}

.athlete-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(245, 158, 11, 0.2));
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.athlete-icon i {
    width: 40px;
    height: 40px;
    color: var(--primary);
}

.athlete-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.athlete-sport {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.athlete-achievement {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.info-card,
.form-card {
    background: var(--gradient-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
}

.info-card h3,
.form-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-item:nth-child(1) .contact-icon {
    background: rgba(251, 191, 36, 0.2);
}

.contact-item:nth-child(2) .contact-icon {
    background: rgba(59, 130, 246, 0.2);
}

.contact-item:nth-child(3) .contact-icon {
    background: rgba(16, 185, 129, 0.2);
}

.contact-icon i {
    width: 24px;
    height: 24px;
}

.contact-item:nth-child(1) .contact-icon i {
    color: var(--primary);
}

.contact-item:nth-child(2) .contact-icon i {
    color: #3b82f6;
}

.contact-item:nth-child(3) .contact-icon i {
    color: #10b981;
}

.contact-item h4 {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.form-card .form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: inherit;
    resize: vertical;
    transition: all var(--transition-normal);
}

.form-card .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.15);
}

.form-card .form-group textarea::placeholder {
    color: var(--text-muted);
}

/* Footer */
.footer {
    background: var(--background);
    border-top: 1px solid var(--border);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

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

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-icon {
    width: 40px;
    height: 40px;
}

.footer-logo .logo-icon i {
    width: 24px;
    height: 24px;
}

.footer-logo h3 {
    font-weight: 700;
}

.footer-logo p {
    font-size: 0.75rem;
    color: var(--primary);
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-links h4 {
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-normal);
    cursor: pointer;
}

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

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: var(--spacing-xl);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-desktop,
    .nav-actions {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }
    
    .calculator-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-header p {
        font-size: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .athletes-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .product-filters {
        flex-direction: column;
        align-items: center;
    }
    
    .help-buttons,
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-large {
        width: 100%;
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

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

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--surface);
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Selection Styling */
::selection {
    background: var(--primary);
    color: var(--background);
}

::-moz-selection {
    background: var(--primary);
    color: var(--background);
}


/* Advanced Calculator Link */
.advanced-calculator-link {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(251, 191, 36, 0.1);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(251, 191, 36, 0.3);
    text-align: center;
}

.advanced-calculator-link .btn-secondary {
    margin-bottom: var(--spacing-md);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.link-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
    margin: 0;
}

/* Certifications Page Styles */
.certifications-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--background) 0%, var(--surface) 100%);
    position: relative;
    overflow: hidden;
}

.certifications-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(251, 191, 36, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(251, 191, 36, 0.05) 0%, transparent 50%);
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-content .badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--background);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-3xl);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease-out;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.certifications-intro {
    padding: 80px 0;
    background: var(--surface);
}

.intro-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.intro-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.intro-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-3xl);
}

.intro-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(251, 191, 36, 0.05);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(251, 191, 36, 0.1);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.certifications-grid {
    padding: 80px 0;
    background: var(--background);
}

.certification-card {
    background: var(--surface);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border);
    margin-bottom: var(--spacing-3xl);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.certification-card:hover {
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(251, 191, 36, 0.1);
    transform: translateY(-5px);
}

.certification-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(245, 158, 11, 0.05));
    border-bottom: 1px solid var(--border);
}

.certification-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.certification-icon i {
    width: 30px;
    height: 30px;
    color: var(--background);
}

.certification-title h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.certification-category {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
}

.certification-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
}

.certification-image {
    position: relative;
}

.certificate-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: transform var(--transition-normal);
}

.certificate-img:hover {
    transform: scale(1.05);
}

.certification-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.certification-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
}

.info-item i {
    width: 16px;
    height: 16px;
    color: var(--primary);
    flex-shrink: 0;
}

.info-item span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.certification-description p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

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

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(251, 191, 36, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(251, 191, 36, 0.1);
}

.benefit-item i {
    width: 20px;
    height: 20px;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.benefit-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.benefit-item p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

.certifications-cta {
    padding: 80px 0;
    background: var(--surface);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.cta-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive Design for Certifications */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .intro-content h2 {
        font-size: 2rem;
    }
    
    .certification-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .certification-image {
        order: -1;
    }
    
    .benefits-list {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
}

/* SEO Enriched Sections Styles */

/* Whey Benefits Grid */
.whey-benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.benefit-card {
    background: var(--surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    text-align: center;
    transition: all var(--transition-normal);
}

.benefit-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(251, 191, 36, 0.1);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.benefit-icon i {
    width: 30px;
    height: 30px;
    color: var(--background);
}

.benefit-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Price Advantages Section */
.price-advantages {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-3xl);
    align-items: start;
}

.price-card {
    background: var(--surface);
    border-radius: var(--radius-2xl);
    border: 2px solid var(--primary);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.price-card.featured {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(245, 158, 11, 0.05));
    box-shadow: 0 20px 40px rgba(251, 191, 36, 0.2);
}

.price-badge {
    position: absolute;
    top: -1px;
    right: var(--spacing-lg);
    background: var(--gradient-primary);
    color: var(--background);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
}

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

.price-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.price-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.old-price {
    font-size: 1.25rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.current-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
}

.savings {
    background: #ef4444;
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
}

.price-features {
    margin-bottom: var(--spacing-xl);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-item:last-child {
    border-bottom: none;
}

.feature-item i {
    width: 16px;
    height: 16px;
    color: #10b981;
    flex-shrink: 0;
}

.feature-item span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.price-cta {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 700;
}

.price-benefits h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: rgba(251, 191, 36, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(251, 191, 36, 0.1);
}

.benefit-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.benefit-icon i {
    width: 24px;
    height: 24px;
    color: var(--background);
}

.benefit-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.benefit-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.875rem;
}

/* Responsive Design for SEO Sections */
@media (max-width: 768px) {
    .whey-benefits-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .price-advantages {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .price-card {
        padding: var(--spacing-lg);
    }
    
    .current-price {
        font-size: 2rem;
    }
    
    .benefit-item {
        flex-direction: column;
        text-align: center;
    }
    
    .benefit-icon {
        margin: 0 auto;
    }
}

/* Enhanced Footer Styles */
.footer {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    border-top: 1px solid var(--border);
    padding: 60px 0 0;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-brand {
    max-width: 350px;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: var(--spacing-lg) 0 var(--spacing-xl);
}

.footer-certifications h5 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

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

.cert-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(251, 191, 36, 0.1);
    border-radius: var(--radius-md);
    border: 1px solid rgba(251, 191, 36, 0.2);
}

.cert-logo {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.cert-badge i {
    width: 16px;
    height: 16px;
    color: var(--primary);
}

.cert-badge span {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.footer-section h4 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
    padding: var(--spacing-xs) 0;
}

.footer-links a:hover {
    color: var(--primary);
    transform: translateX(5px);
}

.footer-links a i {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
    padding: var(--spacing-xs) 0;
}

.social-link:hover {
    color: var(--primary);
}

.social-link i {
    width: 18px;
    height: 18px;
}

.newsletter h5 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.newsletter p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-xs);
}

.newsletter-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--primary);
}

.newsletter-btn {
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: transform var(--transition-normal);
}

.newsletter-btn:hover {
    transform: scale(1.05);
}

.newsletter-btn i {
    width: 16px;
    height: 16px;
    color: var(--background);
}

.footer-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin-bottom: var(--spacing-xl);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-align: left;
}

.stat-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon i {
    width: 24px;
    height: 24px;
    color: var(--background);
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-xl);
}

.footer-bottom-left p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.75rem;
    transition: color var(--transition-normal);
}

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

.payment-methods {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.payment-methods span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.payment-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.payment-icons i {
    width: 24px;
    height: 24px;
    color: var(--text-muted);
}

/* Search Dropdown Styles */
.search-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    border-top: none;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    max-height: 400px;
    overflow-y: auto;
    z-index: 1001;
    display: none;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: background-color var(--transition-normal);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.search-result-item:hover {
    background: rgba(251, 191, 36, 0.1);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.search-result-icon i {
    width: 20px;
    height: 20px;
    color: var(--background);
}

.search-result-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.search-result-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.search-no-results {
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
}

/* Cart Sidebar Styles */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-left: 1px solid var(--border);
    z-index: 1002;
    transition: right var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.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(--border);
}

.cart-header h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 700;
}

.close-cart {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: color var(--transition-normal);
}

.close-cart:hover {
    color: var(--text-primary);
}

.close-cart i {
    width: 20px;
    height: 20px;
}

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

.empty-cart {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    margin-top: var(--spacing-3xl);
}

.cart-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item-image {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
}

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

.cart-item-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-item-icon i {
    width: 24px;
    height: 24px;
    color: var(--background);
}

.cart-item-info {
    flex: 1;
}

.cart-item-info h4 {
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.cart-item-info p {
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin-bottom: var(--spacing-xs);
}

.cart-item-price {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
}

.upsell-badge {
    background: #10b981;
    color: white;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 0.625rem;
    margin-left: var(--spacing-xs);
}

.remove-item {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: color var(--transition-normal);
}

.remove-item:hover {
    color: #ef4444;
}

.remove-item i {
    width: 16px;
    height: 16px;
}

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

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

.cart-total span {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 700;
}

.checkout-btn {
    width: 100%;
}

/* Upsell Modal Styles */
.upsell-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1003;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.upsell-content {
    background: var(--surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.upsell-modal.show .upsell-content {
    transform: scale(1);
}

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

.upsell-header h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 700;
}

.close-upsell {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
}

.close-upsell i {
    width: 20px;
    height: 20px;
}

.upsell-body {
    padding: var(--spacing-xl);
}

.upsell-reason {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.upsell-science {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md);
    background: rgba(251, 191, 36, 0.05);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary);
}

.upsell-products-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.upsell-product-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all var(--transition-normal);
}

.upsell-product-card:hover {
    border-color: var(--primary);
    background: rgba(251, 191, 36, 0.05);
}

.upsell-product-image {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
}

.upsell-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.upsell-product-info {
    flex: 1;
}

.upsell-product-info h4 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.upsell-price {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.original-price {
    color: var(--text-muted);
    text-decoration: line-through;
    font-size: 0.875rem;
}

.discounted-price {
    color: var(--primary);
    font-weight: 600;
}

.upsell-benefit {
    color: #10b981;
    font-size: 0.875rem;
    font-weight: 500;
}

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

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

.upsell-success {
    position: fixed;
    top: 100px;
    right: 20px;
    background: var(--gradient-primary);
    color: var(--background);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    z-index: 1004;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
}

.upsell-success.show {
    transform: translateX(0);
}

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

.success-content i {
    width: 20px;
    height: 20px;
}

/* Product Page Specific Styles */
.product-hero {
    padding: 120px 0 80px;
    background: var(--surface);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    font-size: 0.875rem;
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-normal);
}

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

.breadcrumb i {
    width: 14px;
    height: 14px;
    color: var(--text-muted);
}

.breadcrumb span {
    color: var(--text-primary);
    font-weight: 500;
}

.product-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.product-gallery {
    position: sticky;
    top: 100px;
}

.main-image {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.product-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
}

.product-badges {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.badge-bestseller {
    background: var(--gradient-primary);
    color: var(--background);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
}

.badge-certified {
    background: #10b981;
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
}

.thumbnail-images {
    display: flex;
    gap: var(--spacing-sm);
}

.thumbnail {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.thumbnail:hover,
.thumbnail.active {
    border-color: var(--primary);
}

.product-info {
    padding: var(--spacing-lg) 0;
}

.product-header {
    margin-bottom: var(--spacing-lg);
}

.product-header h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.stars {
    display: flex;
    gap: 2px;
}

.star {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
}

.star.filled {
    color: var(--primary);
}

.rating-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

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

.current-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.old-price {
    font-size: 1.25rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.discount {
    background: #ef4444;
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
}

.product-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.product-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(251, 191, 36, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(251, 191, 36, 0.1);
}

.highlight-item i {
    width: 16px;
    height: 16px;
    color: var(--primary);
    flex-shrink: 0;
}

.highlight-item span {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.product-options {
    margin-bottom: var(--spacing-xl);
}

.option-group {
    margin-bottom: var(--spacing-lg);
}

.option-group label {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.product-select {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.product-select:focus {
    outline: none;
    border-color: var(--primary);
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: fit-content;
}

.qty-btn {
    width: 40px;
    height: 40px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.qty-btn:hover {
    border-color: var(--primary);
    background: rgba(251, 191, 36, 0.1);
}

#quantity {
    width: 60px;
    text-align: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    color: var(--text-primary);
}

.product-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 700;
}

.add-to-cart.success {
    background: #10b981 !important;
    transform: scale(1.05);
}

.product-guarantees {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.guarantee-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
    text-align: center;
}

.guarantee-item i {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.guarantee-item span {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Product Details Tabs */
.product-details {
    padding: 80px 0;
    background: var(--background);
}

.tabs-container {
    max-width: 1000px;
    margin: 0 auto;
}

.tabs-nav {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border);
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    border-bottom: 2px solid transparent;
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.tab-panel h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.feature-card {
    padding: var(--spacing-lg);
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.feature-card h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.nutrition-table {
    margin-top: var(--spacing-lg);
}

.nutrition-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.nutrition-table th,
.nutrition-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.nutrition-table th {
    background: rgba(251, 191, 36, 0.1);
    color: var(--text-primary);
    font-weight: 600;
}

.nutrition-table td {
    color: var(--text-secondary);
}

.usage-guide {
    margin-top: var(--spacing-lg);
}

.usage-step {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: var(--background);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.reviews-summary {
    margin-bottom: var(--spacing-xl);
}

.rating-overview {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.rating-score {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
}

.rating-count {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.reviews-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.review-item {
    padding: var(--spacing-lg);
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.reviewer-name {
    color: var(--text-primary);
    font-weight: 600;
}

.review-text {
    color: var(--text-secondary);
    line-height: 1.6;
    font-style: italic;
}

/* Upsell Section */
.upsell-section {
    padding: 80px 0;
    background: var(--surface);
    text-align: center;
}

.upsell-section h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.upsell-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-3xl);
}

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

.upsell-card {
    background: var(--background);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-normal);
}

.upsell-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(251, 191, 36, 0.1);
}

.upsell-card-image {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.upsell-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.upsell-card-content h3 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.upsell-benefit {
    color: #10b981;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.upsell-price {
    color: var(--primary);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .footer-main {
        grid-template-columns: 1fr 1fr 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-brand {
        grid-column: 1 / -1;
        max-width: none;
        margin-bottom: var(--spacing-lg);
    }
    
    .footer-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-stats {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .product-main {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .product-gallery {
        position: static;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .product-highlights {
        grid-template-columns: 1fr;
    }
    
    .product-guarantees {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .tabs-nav {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .usage-step {
        flex-direction: column;
        text-align: center;
    }
    
    .rating-overview {
        flex-direction: column;
        text-align: center;
    }
    
    .cart-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .upsell-content {
        width: 95%;
        margin: var(--spacing-lg);
    }
    
    .upsell-actions {
        flex-direction: column;
    }
}


/* Best Sellers Section */
.bestsellers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.bestseller-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    border: 1px solid var(--border);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.bestseller-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(251, 191, 36, 0.1);
}

.bestseller-card.featured {
    border: 2px solid var(--primary);
    background: linear-gradient(135deg, var(--surface), rgba(251, 191, 36, 0.05));
}

.bestseller-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--background);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 2;
}

.bestseller-image {
    width: 100%;
    height: 200px;
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--background);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.bestseller-card:hover .product-img {
    transform: scale(1.05);
}

.bestseller-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.bestseller-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.stars {
    display: flex;
    gap: 2px;
}

.star {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
}

.star.filled {
    color: var(--primary);
}

.rating-count {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.bestseller-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.feature-tag {
    background: rgba(251, 191, 36, 0.1);
    color: var(--primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(251, 191, 36, 0.2);
}

.bestseller-price {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.old-price {
    text-decoration: line-through;
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

.discount {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.bestseller-cta {
    width: 100%;
    justify-content: center;
}

.bestsellers-cta {
    text-align: center;
}

/* Product Categories Section */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.category-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--border);
    transition: all var(--transition-normal);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(251, 191, 36, 0.1);
}

.category-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    transition: transform var(--transition-normal);
}

.category-card:hover .category-icon {
    transform: scale(1.1) rotate(5deg);
}

.category-icon i {
    width: 40px;
    height: 40px;
    color: var(--background);
}

.category-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.category-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.category-products {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.mini-product {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    flex: 1;
    max-width: 80px;
}

.mini-product img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 2px solid var(--border);
}

.product-placeholder {
    width: 60px;
    height: 60px;
    background: var(--background);
    border-radius: var(--radius-md);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-placeholder i {
    width: 24px;
    height: 24px;
    color: var(--text-muted);
}

.mini-product span {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.2;
}

.category-btn {
    width: 100%;
    justify-content: center;
    gap: var(--spacing-sm);
}

/* Nutrition Expertise Section */
.nutrition-expertise {
    margin-top: var(--spacing-3xl);
}

.expertise-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.expertise-text h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, #ffffff, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.expertise-text p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.expertise-highlights {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(251, 191, 36, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(251, 191, 36, 0.1);
}

.highlight-item i {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.highlight-item span {
    font-weight: 600;
    color: var(--text-primary);
}

.expertise-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.stat-card {
    background: var(--surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    text-align: center;
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(251, 191, 36, 0.1);
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
}

/* Bodybuilding Section */
.bodybuilding-content {
    margin-top: var(--spacing-3xl);
}

.champions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.champion-card {
    background: var(--surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    text-align: center;
    transition: all var(--transition-normal);
}

.champion-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(251, 191, 36, 0.1);
}

.champion-image {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.champion-image i {
    width: 40px;
    height: 40px;
    color: var(--background);
}

.champion-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.champion-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.champion-achievement {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.5;
}

.bodybuilding-products {
    background: var(--surface);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    text-align: center;
}

.bodybuilding-products h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.stack-products {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.stack-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: rgba(251, 191, 36, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(251, 191, 36, 0.1);
    min-width: 150px;
}

.stack-item i {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

.stack-item span:first-of-type {
    font-weight: 600;
    color: var(--text-primary);
}

.stack-benefit {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.stack-cta {
    padding: var(--spacing-md) var(--spacing-xl);
}

/* Testimonials Section */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: var(--surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    transition: all var(--transition-normal);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    font-size: 4rem;
    color: var(--primary);
    opacity: 0.3;
    font-family: serif;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(251, 191, 36, 0.1);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.author-info span {
    font-size: 0.875rem;
    color: var(--primary);
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .bestsellers-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .expertise-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .champions-grid {
        grid-template-columns: 1fr;
    }
    
    .stack-products {
        flex-direction: column;
        align-items: center;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

/* Product Actions Styles */
.product-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.view-product-btn {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    transition: all var(--transition-normal);
}

.view-product-btn:hover {
    background: rgba(251, 191, 36, 0.1);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.bestseller-cta {
    flex: 2;
}

/* Enhanced Cart Animations */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes cartBounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.cart-btn {
    position: relative;
    transition: all var(--transition-normal);
}

.cart-btn:hover {
    animation: cartBounce 0.6s ease-in-out;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--gradient-primary);
    color: var(--background);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(251, 191, 36, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(251, 191, 36, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(251, 191, 36, 0);
    }
}

/* Enhanced Cart Item Animations */
.cart-item {
    animation: slideInCart 0.3s ease-out;
    transition: all var(--transition-normal);
}

.cart-item:hover {
    transform: translateX(5px);
    background: rgba(255, 255, 255, 0.08);
}

@keyframes slideInCart {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Cart Sidebar Enhanced Animations */
.cart-sidebar {
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
}

.cart-sidebar.open {
    animation: slideInFromRight 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes slideInFromRight {
    from {
        right: -400px;
        opacity: 0;
    }
    to {
        right: 0;
        opacity: 1;
    }
}

/* Product Recommendations in Cart */
.cart-recommendations {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border);
    background: rgba(251, 191, 36, 0.05);
}

.cart-recommendations h4 {
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.recommendation-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.recommendation-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(3px);
}

.recommendation-image {
    width: 30px;
    height: 30px;
    border-radius: var(--radius-xs);
    overflow: hidden;
}

.recommendation-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.recommendation-info {
    flex: 1;
}

.recommendation-info h5 {
    font-size: 0.8rem;
    margin-bottom: 2px;
}

.recommendation-price {
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 600;
}

/* Mobile Responsive for Product Actions */
@media (max-width: 768px) {
    .product-actions {
        flex-direction: column;
    }
    
    .view-product-btn,
    .bestseller-cta {
        flex: 1;
    }
    
    .cart-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .cart-sidebar.open {
        right: 0;
    }
}


/* ===== HEADER AMÉLIORÉ ===== */
.search-box {
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 0.5rem 1rem;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.search-box:focus-within {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.1);
}

.search-box input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.875rem;
    width: 200px;
    padding-right: 2rem;
}

.search-box input::placeholder {
    color: var(--text-secondary);
}

.search-icon {
    position: absolute;
    right: 0.75rem;
    width: 16px;
    height: 16px;
    color: var(--text-secondary);
    pointer-events: none;
}

/* Cart Button Stylé */
.cart-btn {
    position: relative;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-lg);
    padding: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    height: 48px;
    box-shadow: var(--shadow-md);
}

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

.cart-btn:active {
    transform: translateY(0);
}

.cart-icon {
    width: 20px;
    height: 20px;
    color: var(--secondary);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #ef4444;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 50px;
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-normal);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Navigation */
.nav-mobile {
    display: none;
    flex-direction: column;
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: var(--spacing-lg) 0;
    gap: 0.5rem;
}

.nav-mobile.active {
    display: flex;
}

.nav-link-mobile {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    padding: 0.75rem var(--spacing-lg);
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-normal);
    border-radius: var(--radius-md);
    margin: 0 var(--spacing-lg);
}

.nav-link-mobile:hover,
.nav-link-mobile.active {
    background: var(--gradient-primary);
    color: var(--secondary);
}

/* ===== BARRE STICKY PANIER ===== */
.cart-sticky-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--gradient-primary);
    padding: 1rem;
    transform: translateY(100%);
    transition: transform var(--transition-normal);
    z-index: 1000;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.cart-sticky-bar.show {
    transform: translateY(0);
}

.cart-sticky-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    color: var(--secondary);
}

.cart-sticky-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cart-sticky-icon {
    width: 24px;
    height: 24px;
}

.cart-sticky-text {
    font-weight: 600;
    font-size: 1rem;
}

.cart-sticky-total {
    font-weight: 700;
    font-size: 1.125rem;
}

.checkout-btn {
    background: var(--secondary);
    color: var(--primary);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkout-btn:hover {
    background: var(--surface);
    transform: translateY(-2px);
}

/* ===== RESPONSIVE MOBILE OPTIMISÉ ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-content {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .nav-desktop {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-actions {
        order: -1;
        flex: 1;
        justify-content: flex-end;
        gap: 0.5rem;
    }
    
    .search-box {
        display: none;
    }
    
    .cart-btn {
        min-width: 44px;
        height: 44px;
        padding: 0.5rem;
    }
    
    .cta-btn {
        display: none;
    }
    
    /* Hero Section Mobile */
    .hero {
        padding: 4rem 0 2rem;
        text-align: center;
    }
    
    .hero-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .hero-text h1 {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero-text .subtitle {
        font-size: 1rem;
    }
    
    .hero-image {
        order: -1;
    }
    
    /* Product Cards Mobile */
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .product-card {
        max-width: 100%;
    }
    
    /* Categories Mobile */
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    /* Footer Mobile */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    /* Cart Sticky Mobile */
    .cart-sticky-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .cart-sticky-info {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-text h1 {
        font-size: 1.75rem;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .cart-sticky-bar {
        padding: 0.75rem;
    }
    
    .checkout-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===== ANIMATIONS AMÉLIORÉES ===== */
@keyframes cartBounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.cart-btn.bounce {
    animation: cartBounce 0.6s ease-in-out;
}

@keyframes slideInUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.cart-sticky-bar.animate-in {
    animation: slideInUp 0.5s ease-out;
}

/* ===== AMÉLIORATIONS PRODUITS ===== */
.product-actions-enhanced {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.btn-add-cart {
    flex: 1;
    background: var(--gradient-primary);
    color: var(--secondary);
    border: none;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-add-cart:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-view-product {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-view-product:hover {
    background: var(--primary);
    color: var(--secondary);
    transform: translateY(-2px);
}

/* ===== CORRECTIONS FINALES ===== */

/* Logo header simplifié */
.logo {
    cursor: pointer;
    transition: all var(--transition-normal);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-image {
    height: 40px;
    width: auto;
    display: block;
}

/* Footer logo taille normale */
.footer-logo-img {
    height: 60px !important;
    width: auto !important;
    max-width: 200px;
}

.footer-logo {
    margin-bottom: 1rem;
}

/* Header mobile corrigé */
@media (max-width: 768px) {
    .header {
        padding: 0.75rem 0;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(20px);
    }
    
    .nav-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: nowrap;
    }
    
    .logo {
        flex-shrink: 0;
    }
    
    .logo-image {
        height: 32px;
    }
    
    .nav-desktop {
        display: none;
    }
    
    .nav-actions {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        flex-shrink: 0;
    }
    
    .search-box {
        display: none;
    }
    
    .cart-btn {
        min-width: 40px;
        height: 40px;
        padding: 0.5rem;
    }
    
    .cta-btn {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
        order: 1;
    }
    
    .nav-mobile {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        border-top: 1px solid var(--border);
        padding: 1rem 0;
        z-index: 1000;
    }
    
    .nav-mobile.active {
        display: flex;
    }
    
    .nav-link-mobile {
        padding: 0.875rem 1.5rem;
        margin: 0.25rem 1rem;
        border-radius: var(--radius-md);
        font-size: 1rem;
        font-weight: 500;
    }
}

/* Barre sticky améliorée */
.cart-sticky-bar {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    padding: 1rem 1.5rem;
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.cart-sticky-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    color: var(--secondary);
    gap: 1rem;
}

.cart-sticky-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
}

.cart-sticky-icon {
    width: 24px;
    height: 24px;
    color: var(--secondary);
}

.cart-sticky-text {
    font-size: 1rem;
}

.cart-sticky-total {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--secondary);
}

.checkout-btn {
    background: var(--secondary);
    color: var(--primary);
    border: none;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.checkout-btn:hover {
    background: var(--surface);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.checkout-btn:active {
    transform: translateY(0);
}

/* Mobile sticky bar */
@media (max-width: 768px) {
    .cart-sticky-bar {
        padding: 1rem;
    }
    
    .cart-sticky-content {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }
    
    .cart-sticky-info {
        justify-content: center;
        font-size: 0.875rem;
    }
    
    .cart-sticky-total {
        font-size: 1.125rem;
    }
    
    .checkout-btn {
        width: 100%;
        justify-content: center;
        padding: 1rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .cart-sticky-bar {
        padding: 0.75rem;
    }
    
    .cart-sticky-info {
        font-size: 0.8rem;
    }
    
    .cart-sticky-total {
        font-size: 1rem;
    }
    
    .checkout-btn {
        padding: 0.875rem;
        font-size: 0.9rem;
    }
}

/* Navigation responsive améliorée */
@media (max-width: 1024px) {
    .nav-desktop {
        gap: 1rem;
    }
    
    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }
    
    .search-box {
        width: 150px;
    }
    
    .search-box input {
        width: 100%;
    }
}

/* Footer responsive */
@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-logo-img {
        height: 50px !important;
    }
    
    .footer-section {
        margin-bottom: 1.5rem;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Animations améliorées */
@keyframes slideInFromBottom {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.cart-sticky-bar.animate-in {
    animation: slideInFromBottom 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes bounceIn {
    0% {
        transform: scale(0.3);
        opacity: 0;
    }
    50% {
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.cart-count.animate {
    animation: bounceIn 0.6s ease-out;
}