* {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 14px;
}

body {
    scroll-behavior: smooth;
    background: #ffffff;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

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

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.glass-effect {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.card-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #4338ca, #6d28d9);
    transform: translateY(-1px);
    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.3);
}

.text-gradient {
    background: linear-gradient(135deg, #1a1a1a, #4f46e5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-grid {
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.9)),
        radial-gradient(circle at 25% 25%, rgba(79, 70, 229, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
}

.product-card {
    background: #ffffff;
    border: 1px solid #f1f5f9;
    transition: all 0.3s ease;
}

.product-card:hover {
    border-color: #e2e8f0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.category-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid #e2e8f0;
    transition: all 0.4s ease;
}

.category-card:hover {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.nav-link {
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #4f46e5;
    transition: width 0.3s ease;
}

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

.loading-dots {
    display: inline-block;
}

.loading-dots::after {
    content: '';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, #4f46e5, #7c3aed);
    z-index: 9999;
    transition: width 0.1s ease;
}

.notification {
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.sidebar {
    display: none;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.sidebar.show {
    display: block;
    transform: translateX(0);
}

.mobile-menu {
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.mobile-menu.show {
    transform: translateX(0);
}

.search-suggestions {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.search-suggestions.show {
    max-height: 400px;
}

.feature-icon {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    transition: all 0.3s ease;
}

.feature-icon:hover {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: white;
    transform: scale(1.05);
}

.stats-counter {
    font-variant-numeric: tabular-nums;
}

.testimonial-card {
    background: linear-gradient(135deg, #ffffff, #f8fafc);
    border-left: 4px solid #4f46e5;
}

.price-highlight {
    position: relative;
    overflow: hidden;
}

.price-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(79, 70, 229, 0.1), transparent);
    transition: left 0.5s;
}

.price-highlight:hover::before {
    left: 100%;
}

.filter-btn.active {
    background: #4f46e5;
    color: white;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.cart-item {
    animation: slideUp 0.3s ease;
}

.empty-state {
    opacity: 0.6;
}

.brand-logo {
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.brand-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}

.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
}

.hero-stats {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.trust-badge {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
}

.professional-shadow {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.professional-shadow-lg {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
.hidden {
    display: none;
}