/* Tight Product Layout - Optimized for Space */

/* Container - Tight Variant (wider than standard .container) */
/* Note: Standard .container is 1200px in styles.css, this is 1280px for product pages */
.container-tight {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Product Page */
.product-page {
    background: var(--pure-white);
    padding-top: 100px;
    min-height: 100vh;
}

/* Compact Breadcrumb */
.breadcrumb-compact {
    background: var(--soft-white);
    padding: 12px 0;
    font-size: 13px;
    color: var(--grey-medium);
    border-bottom: 1px solid rgba(201, 169, 97, 0.1);
}

.breadcrumb-compact a {
    color: var(--grey-medium);
    transition: color 0.3s ease;
}

.breadcrumb-compact a:hover {
    color: var(--primary-gold);
}

.breadcrumb-compact span {
    margin: 0 8px;
    color: var(--grey-light);
}

/* Product Grid - Tight Layout */
.product-grid-tight {
    display: grid;
    grid-template-columns: 500px 1fr;
    gap: 40px;
    padding: 40px 0;
    align-items: start;
}

/* Product Gallery */
.product-gallery {
    position: -webkit-sticky; /* Safari < 13 */
    position: sticky;
    top: 120px;
}

.main-img-wrapper {
    position: relative;
    width: 100%;
    padding-top: 100%; /* Fallback for aspect-ratio */
    aspect-ratio: 1 / 1;
    background: var(--soft-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    margin-bottom: 12px;
}

.main-product-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.4s ease;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* For browsers that support aspect-ratio, remove padding */
@supports (aspect-ratio: 1 / 1) {
    .main-img-wrapper {
        padding-top: 0;
    }
    .main-product-img {
        position: static;
    }
}

.main-img-wrapper:hover .main-product-img {
    transform: scale(1.05);
}

.badge-cert {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, var(--primary-gold), var(--dark-gold));
    color: var(--deep-black);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(201, 169, 97, 0.4);
    z-index: 2;
}

/* Thumbnail Row */
.thumbnail-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.thumb {
    width: 100%;
    height: 0;
    padding-top: 100%; /* Fallback for aspect-ratio */
    aspect-ratio: 1 / 1;
    object-fit: cover;
    object-position: center;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    background: var(--soft-white);
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* For browsers that support aspect-ratio */
@supports (aspect-ratio: 1 / 1) {
    .thumb {
        height: auto;
        padding-top: 0;
    }
}

.thumb:hover,
.thumb.active {
    border-color: var(--primary-gold);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(201, 169, 97, 0.3);
}

/* Product Info Compact */
.product-info-compact {
    padding: 0;
}

.product-name {
    font-family: var(--font-primary);
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--deep-black);
    margin-bottom: 16px;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--deep-black) 0%, var(--primary-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-intro {
    font-size: 15px;
    line-height: 1.6;
    color: var(--grey-dark);
    margin-bottom: 24px;
}

/* Quick Specs Grid */
.specs-quick {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 28px;
    padding: 20px;
    background: var(--soft-white);
    border-radius: 10px;
    border: 1px solid rgba(201, 169, 97, 0.1);
}

.spec-box {
    padding: 12px;
    background: var(--pure-white);
    border-radius: 8px;
    border-left: 3px solid var(--primary-gold);
}

.spec-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--grey-medium);
    font-weight: 600;
    margin-bottom: 4px;
}

.spec-val {
    font-size: 14px;
    font-weight: 700;
    color: var(--deep-black);
}

/* Features Compact */
.features-compact {
    margin-bottom: 28px;
    padding: 20px;
    background: var(--soft-white);
    border-radius: 10px;
    border: 1px solid rgba(201, 169, 97, 0.1);
}

.features-compact h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--deep-black);
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.features-compact ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.features-compact li {
    padding: 10px 0 10px 24px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--grey-dark);
    position: relative;
    border-bottom: 1px solid rgba(201, 169, 97, 0.08);
}

.features-compact li:last-child {
    border-bottom: none;
}

.features-compact li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-gold);
    font-weight: 700;
    font-size: 16px;
}

/* Button Group Compact */
.btn-group-compact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.btn-primary-compact,
.btn-secondary-compact {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 20px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary-compact {
    background: linear-gradient(135deg, var(--primary-gold), var(--dark-gold));
    color: var(--deep-black);
    border: 2px solid var(--primary-gold);
}

.btn-primary-compact:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 169, 97, 0.4);
}

.btn-secondary-compact {
    background: transparent;
    color: var(--primary-gold);
    border: 2px solid var(--primary-gold);
}

.btn-secondary-compact:hover {
    background: var(--primary-gold);
    color: var(--deep-black);
    transform: translateY(-2px);
}

.btn-primary-compact i,
.btn-secondary-compact i {
    font-size: 16px;
}

/* Advantages Section */
.advantages-section {
    margin: 60px 0 40px;
    padding: 40px;
    background: linear-gradient(135deg, var(--soft-white) 0%, rgba(249, 249, 249, 0.5) 100%);
    border-radius: 12px;
    border: 1px solid rgba(201, 169, 97, 0.1);
}

.advantages-section h2 {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--deep-black);
    text-align: center;
    margin-bottom: 32px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.adv-card {
    text-align: center;
    padding: 24px 20px;
    background: var(--pure-white);
    border-radius: 10px;
    border: 1px solid rgba(201, 169, 97, 0.1);
    transition: all 0.3s ease;
}

.adv-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    border-color: var(--primary-gold);
}

.adv-card i {
    font-size: 2.5rem;
    color: var(--primary-gold);
    margin-bottom: 12px;
}

.adv-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--deep-black);
    margin-bottom: 8px;
}

.adv-card p {
    font-size: 13px;
    color: var(--grey-dark);
    line-height: 1.5;
}

/* Applications Section */
.applications-section {
    margin: 40px 0 60px;
}

.applications-section h2 {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--deep-black);
    text-align: center;
    margin-bottom: 32px;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.app-item {
    text-align: center;
    padding: 24px 16px;
    background: var(--soft-white);
    border-radius: 10px;
    border: 1px solid rgba(201, 169, 97, 0.1);
    transition: all 0.3s ease;
}

.app-item:hover {
    background: var(--pure-white);
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    border-color: var(--primary-gold);
}

.app-item i {
    font-size: 2.2rem;
    color: var(--primary-gold);
    margin-bottom: 12px;
}

.app-item h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--deep-black);
    margin-bottom: 6px;
}

.app-item p {
    font-size: 13px;
    color: var(--grey-medium);
    line-height: 1.4;
}

/* Tablet Responsive */
@media (max-width: 1024px) {
    .container-tight {
        padding: 0 20px;
    }

    .product-grid-tight {
        grid-template-columns: 400px 1fr;
        gap: 32px;
        padding: 32px 0;
    }

    .product-gallery {
        top: 100px;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .app-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .advantages-section {
        padding: 32px 24px;
        margin: 40px 0 32px;
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .product-page {
        padding-top: 90px;
    }

    .container-tight {
        padding: 0 16px;
    }

    .product-grid-tight {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 24px 0;
    }

    .product-gallery {
        position: static;
    }

    .main-img-wrapper {
        margin-bottom: 10px;
    }

    .thumbnail-row {
        gap: 8px;
    }

    .product-name {
        font-size: 1.8rem;
        margin-bottom: 12px;
    }

    .product-intro {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .specs-quick {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 16px;
        margin-bottom: 20px;
    }

    .features-compact {
        padding: 16px;
        margin-bottom: 20px;
    }

    .features-compact h3 {
        font-size: 15px;
        margin-bottom: 12px;
    }

    .features-compact li {
        font-size: 13px;
        padding: 8px 0 8px 22px;
    }

    .btn-group-compact {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .advantages-section {
        padding: 24px 16px;
        margin: 32px 0 24px;
    }

    .advantages-section h2 {
        font-size: 1.5rem;
        margin-bottom: 24px;
    }

    .advantages-grid {
        gap: 16px;
    }

    .adv-card {
        padding: 20px 16px;
    }

    .adv-card i {
        font-size: 2rem;
    }

    .applications-section {
        margin: 32px 0 40px;
    }

    .applications-section h2 {
        font-size: 1.5rem;
        margin-bottom: 24px;
    }

    .app-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .app-item {
        padding: 20px 16px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .container-tight {
        padding: 0 12px;
    }

    .product-page {
        padding-top: 85px;
    }

    .breadcrumb-compact {
        font-size: 12px;
        padding: 10px 0;
    }

    .breadcrumb-compact span {
        margin: 0 6px;
    }

    .product-grid-tight {
        padding: 20px 0;
        gap: 20px;
    }

    .product-name {
        font-size: 1.6rem;
    }

    .product-intro {
        font-size: 13px;
    }

    .specs-quick {
        padding: 14px;
    }

    .spec-box {
        padding: 10px;
    }

    .spec-label {
        font-size: 10px;
    }

    .spec-val {
        font-size: 13px;
    }

    .features-compact {
        padding: 14px;
    }

    .features-compact h3 {
        font-size: 14px;
    }

    .features-compact li {
        font-size: 12px;
        padding: 7px 0 7px 20px;
    }

    .btn-primary-compact,
    .btn-secondary-compact {
        padding: 12px 16px;
        font-size: 12px;
    }

    .advantages-section {
        padding: 20px 12px;
        margin: 24px 0 20px;
    }

    .advantages-section h2,
    .applications-section h2 {
        font-size: 1.3rem;
        margin-bottom: 20px;
    }

    .adv-card {
        padding: 18px 14px;
    }

    .adv-card i {
        font-size: 1.8rem;
        margin-bottom: 10px;
    }

    .adv-card h4 {
        font-size: 15px;
        margin-bottom: 6px;
    }

    .adv-card p {
        font-size: 12px;
    }

    .app-item {
        padding: 18px 14px;
    }

    .app-item i {
        font-size: 2rem;
    }

    .app-item h4 {
        font-size: 14px;
    }

    .app-item p {
        font-size: 12px;
    }
}

/* Arabic RTL Support */
body.rtl .product-grid-tight {
    direction: rtl;
}

body.rtl .spec-box {
    border-left: none;
    border-right: 3px solid var(--primary-gold);
}

body.rtl .features-compact li {
    padding-left: 0;
    padding-right: 24px;
}

body.rtl .features-compact li::before {
    left: auto;
    right: 0;
}

body.rtl .breadcrumb-compact {
    direction: rtl;
}

body.rtl .product-name,
body.rtl .product-intro,
body.rtl .features-compact h3,
body.rtl .advantages-section h2,
body.rtl .applications-section h2 {
    font-family: var(--font-arabic-luxury);
}

/* Performance Optimizations */
.main-product-img,
.thumb {
    will-change: transform;
}

.adv-card,
.app-item,
.btn-primary-compact,
.btn-secondary-compact {
    will-change: transform;
}