@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;600;800&display=swap');

:root {
    --bg-dark: #05070A;
    --bg-card: #0F172A;
    --primary: #00D2FF;
    --primary-glow: rgba(0, 210, 255, 0.4);
    --accent: #3A8DFF;
    --text-main: #F1F5F9;
    --text-muted: #94A3B8;
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(58, 141, 255, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(0, 210, 255, 0.05) 0%, transparent 40%);
    min-height: 100vh;
}

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.02em;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

/* Navbar */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

nav.scrolled {
    padding: 1rem 5%;
    background: rgba(5, 7, 10, 0.8);
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    background: linear-gradient(to right, #fff, var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    font-size: 0.9rem;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 1;
}

.cart-btn {
    position: relative;
    background: transparent;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -10px;
    background: var(--primary);
    color: var(--bg-dark);
    font-size: 0.7rem;
    font-weight: 800;
    padding: 2px 6px;
    border-radius: 10px;
}

/* Hero Section */
.hero {
    height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 5%;
    position: relative;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 2rem;
}

.btn-primary {
    background: var(--primary);
    color: var(--bg-dark);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 0 20px var(--primary-glow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px var(--primary-glow);
}

/* Catalog */
.section-title {
    padding: 4rem 5% 2rem;
    font-size: 2rem;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    padding: 0 5% 4rem;
}

.product-card {
    border-radius: 20px;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
}

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

.product-img-wrapper {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    position: relative;
    background: #000;
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.product-info {
    padding: 1.5rem;
}

.product-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

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

.price {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
}

.add-to-cart-small {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
}

.add-to-cart-small:hover {
    background: var(--primary);
    color: var(--bg-dark);
}

/* Filters */
.filter-select {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    padding: 0.6rem 1.2rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    outline: none;
    transition: border-color 0.3s;
}

.filter-select:focus {
    border-color: var(--primary);
}

/* Skeleton loader */
.skeleton {
    background: linear-gradient(90deg, var(--bg-card) 25%, #1e293b 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    to { background-position: -200% 0; }
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .nav-links { display: none; }
}