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

/* Variables */
:root {
    --color-text: #000000;
    --color-text-light: #666666;
    --color-bg: #ffffff;
    --color-border: #e0e0e0;
    --color-hover: #f5f5f5;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

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

/* Header */
.header {
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
}

.logo {
    font-size: 1.25rem;
    font-weight: 400;
    letter-spacing: -0.02em;
}

/* Main */
.main {
    padding: var(--spacing-xl) 0;
    min-height: calc(100vh - 200px);
}

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

.title {
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-xs);
}

.subtitle {
    font-size: 1rem;
    color: var(--color-text-light);
    font-weight: 300;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* Product Card */
.product-card {
    display: flex;
    flex-direction: column;
    transition: opacity 0.2s ease;
    cursor: pointer;
}

.product-card:hover {
    opacity: 0.7;
}

.product-image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    margin-bottom: var(--spacing-sm);
    background-color: var(--color-hover);
}

.product-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.product-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
}

.product-title {
    font-size: 1.25rem;
    font-weight: 400;
    letter-spacing: -0.02em;
}

.product-description {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.5;
    margin-bottom: var(--spacing-xs);
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-xs);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.product-price {
    font-size: 1rem;
    font-weight: 400;
}

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

.product-footer {
    margin-top: var(--spacing-sm);
}

/* Button */
.btn {
    display: inline-block;
    width: 100%;
    padding: 0.875rem var(--spacing-md);
    background-color: var(--color-text);
    color: var(--color-bg);
    text-align: center;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    border: none;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.btn:hover {
    opacity: 0.8;
}

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

.footer p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .title {
        font-size: 2rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .main {
        padding: var(--spacing-md) 0;
    }
    
    .intro {
        margin-bottom: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .title {
        font-size: 1.75rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card {
    animation: fadeIn 0.4s ease forwards;
    opacity: 0;
}