/* === TYPOGRAPHY === */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #1a1a1a;
    background: #ffffff;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', 'Georgia', serif;
    font-weight: 400;
    letter-spacing: 0.02em;
    margin-bottom: 1em;
}

h1 {
    font-size: 2.5rem;
    line-height: 1.2;
}

h2 {
    font-size: 1.75rem;
}

/* === PRODUCT PAGE === */
.product-page {
    max-width: 1400px;
    margin: 0 auto;
    padding: 60px 20px;
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.product-images {
    position: sticky;
    top: 120px;
}

.product-image img {
    width: 100%;
    height: auto;
    display: block;
    margin-bottom: 15px;
}

.product-thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 20px;
}

.product-thumbnail {
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.product-thumbnail:hover,
.product-thumbnail.active {
    opacity: 1;
}

/* === PRODUCT INFO === */
.product-info {
    padding-top: 20px;
}

.product-title {
    font-size: 2rem;
    margin-bottom: 15px;
    font-weight: 400;
}

.product-price {
    font-size: 1.5rem;
    color: #1a1a1a;
    margin-bottom: 30px;
    font-weight: 300;
}

.product-description {
    line-height: 1.8;
    margin-bottom: 40px;
    color: #333;
}

/* === QUANTITY & ADD TO CART === */
.quantity-cart-wrapper {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

.quantity-selector {
    display: flex;
    align-items: center;
    border: 1px solid #e0e0e0;
    background: #fff;
}

.quantity-selector button {
    background: none;
    border: none;
    padding: 15px 20px;
    cursor: pointer;
    font-size: 18px;
    color: #1a1a1a;
    transition: background 0.2s;
}

.quantity-selector button:hover {
    background: #f5f5f5;
}

.quantity-selector input {
    border: none;
    text-align: center;
    width: 60px;
    font-size: 16px;
}

.add-to-cart-button {
    flex: 1;
    background: #1a1a1a;
    color: #ffffff;
    border: none;
    padding: 18px 40px;
    font-size: 14px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
}

.add-to-cart-button:hover {
    background: #574CD5;
    transform: translateY(-2px);
}

/* === PRODUCT META INFO === */
.product-meta {
    border-top: 1px solid #e0e0e0;
    padding-top: 30px;
    margin-top: 30px;
}

.meta-item {
    display: grid;
    grid-template-columns: 150px 1fr;
    padding: 12px 0;
    font-size: 14px;
    line-height: 1.8;
}

.meta-label {
    font-weight: 600;
    color: #1a1a1a;
}

.meta-value {
    color: #666;
}

/* === ARTIST/PRODUCER SECTION === */
.artist-section {
    margin-top: 60px;
    padding: 40px;
    background: #fafafa;
    display: flex;
    gap: 40px;
    align-items: center;
}

.artist-image {
    width: 200px;
    height: 200px;
    object-fit: cover;
}

.artist-info h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.artist-info p {
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

.artist-link {
    display: inline-block;
    color: #574CD5;
    text-decoration: none;
    font-size: 14px;
    letter-spacing: 0.05em;
    border-bottom: 1px solid #574CD5;
    transition: opacity 0.3s;
}

.artist-link:hover {
    opacity: 0.7;
}

/* === NAVIGATION === */
.main-navigation {
    background: #ffffff;
    border-bottom: 1px solid #e0e0e0;
    padding: 20px 40px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-menu {
    display: flex;
    gap: 40px;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu > li > a {
    color: #1a1a1a;
    text-decoration: none;
    font-size: 14px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: color 0.3s;
}

.nav-menu > li > a:hover {
    color: #574CD5;
}

/* === GRID LAYOUTS === */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 40px;
    margin: 60px 0;
}

.product-card {
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-card-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    margin-bottom: 20px;
}

.product-card-title {
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 8px;
}

.product-card-price {
    color: #666;
    font-size: 1rem;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .product-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .product-images {
        position: relative;
        top: 0;
    }
    
    .artist-section {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .quantity-cart-wrapper {
        flex-direction: column;
    }
    
    .nav-menu {
        gap: 20px;
        flex-wrap: wrap;
    }
}

/* === SUBTLE ANIMATIONS === */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.product-info > * {
    animation: fadeIn 0.6s ease forwards;
}

.product-info > *:nth-child(1) { animation-delay: 0.1s; }
.product-info > *:nth-child(2) { animation-delay: 0.2s; }
.product-info > *:nth-child(3) { animation-delay: 0.3s; }