:root {
    --bg-color: #F8F8F6;
    --text-primary: #121212;
    --text-secondary: #666666;
    --accent-beige: #D9D2C7;
    --border-color: #E5E5E5;
    --transition-smooth: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- Hero Section --- */
.product-hero {
    display: flex;
    justify-content: flex-start;
    padding: 140px 5% 60px 5%; /* Matches Header 5% padding */
    gap: 20px;
    max-width: 100%;
    background: #fff;
    box-sizing: border-box;
}

.hero_left {
    width: 50%;
    padding: 0;
    text-align: left; /* Explicitly left aligned */
}

.hero_right {
    width: 50%;
    background: transparent;
}

.hero_right img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.breadcrumb {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.product_title {
    font-family: 'Ntsomic', sans-serif;
    font-size: 3rem;
    line-height: 1.1;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.collection_tag {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #888;
    margin-bottom: 30px;
    display: block;
}

.short_desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 400px;
    margin-bottom: 50px;
}

.cta_group {
    display: flex;
    gap: 20px;
}

.btn_premium {
    padding: 18px 35px;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.15em;
    border: 1px solid var(--text-primary);
    text-decoration: none;
    transition: var(--transition-smooth);
    display: inline-block;
}

.btn_premium.primary {
    background: var(--text-primary);
    color: #fff;
}

.btn_premium.secondary {
    background: transparent;
    color: var(--text-primary);
}

.btn_premium:hover {
    letter-spacing: 0.25em;
    background: #fff;
    color: #000;
}

/* --- Gallery & Details --- */
.section_padding {
    padding: 120px 80px;
}

.details_grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 100px;
}

.gallery_container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.main_image_wrap {
    width: 100%;
    aspect-ratio: 2 / 1; /* Match 600x1200 horizontal tile ratio */
    background: #fdfdfd;
    overflow: hidden;
    border: 1px solid #eee;
}

.main_image_wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain; 
    cursor: zoom-in;
}

.thumb_grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr); /* More columns = smaller thumbs */
    gap: 8px;
    margin-top: 15px;
}

.thumb_item {
    aspect-ratio: 1;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: 4px; /* Soft edges for premium look */
}

.thumb_item.active { border-color: #000; }
.thumb_item img { width: 100%; height: 100%; object-fit: contain; opacity: 0.7; transition: 0.3s; }
.thumb_item:hover img { opacity: 1; }

/* --- Lightbox / Fullscreen --- */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.95);
    backdrop-filter: blur(10px);
    justify-content: center;
    align-items: center;
    cursor: zoom-out;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    box-shadow: 0 0 50px rgba(0,0,0,0.5);
    animation: zoomIn 0.3s ease;
}

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

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    color: #fff;
    font-size: 40px;
    cursor: pointer;
    line-height: 1;
}

/* --- Compact Specs Grid --- */
.compact_specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.spec_item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.spec_label {
    font-size: 10px;
    text-transform: uppercase;
    color: #999;
    letter-spacing: 0.1em;
}

.spec_value {
    font-size: 13px;
    font-weight: 500;
}

/* --- Sizes & Buttons --- */
.size_chip_container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.size_chip {
    padding: 8px 16px;
    background: #f5f5f5;
    font-size: 11px;
    border-radius: 4px;
    color: #333;
}

/* --- Inquiry CTA --- */
.inquiry_banner {
    background: #f9f9f9;
    color: #000;
    padding: 60px 80px;
    text-align: center;
    border-top: 1px solid #eee;
}

.inquiry_banner h2 {
    font-family: 'Ntsomic', sans-serif;
    font-size: 1.5rem;
    text-transform: uppercase;
    margin-bottom: 15px;
}

/* --- Related --- */
.related_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.prod_card_premium {
    text-decoration: none;
    color: inherit;
}

.prod_card_img {
    aspect-ratio: 4/5;
    background: #eee;
    overflow: hidden;
    margin-bottom: 15px;
}

.prod_card_img img { width: 100%; height: 100%; object-fit: cover; transition: 0.7s ease; }
.prod_card_premium:hover .prod_card_img img { transform: scale(1.05); }

.size_category_card, .related_grid a {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal_active {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .product-hero { flex-direction: column-reverse; }
    .hero_left, .hero_right { width: 100%; min-height: 50vh; padding: 40px 20px; }
    .details_grid { grid-template-columns: 1fr; }
    .section_padding { padding: 80px 20px; }
    .related_grid { grid-template-columns: 1fr 1fr; }
    .product_title { font-size: 3.5rem; }
}
@media (max-width: 600px) {
    .related_grid { grid-template-columns: 1fr; }
    .thumb_grid { grid-template-columns: repeat(3, 1fr); }
}