/* Product Hero Section */
.product-hero {
    height: 60vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-top: 60px;
    position: relative;
    overflow: hidden;
}

.product-hero::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><path fill="%23FFFFFF" fill-opacity="0.05" d="M0 0h200v200H0z"/></svg>') repeat;
    opacity: 0.1;
}

.product-hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 2rem;
}

.product-hero-content h1 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: clamp(2rem, 5vw, 3.5rem);
}

.product-hero-content p {
    color: var(--white);
    opacity: 0.9;
    font-size: clamp(1rem, 2vw, 1.2rem);
}

/* Product Overview */
.product-overview {
    background: var(--white);
}

.product-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.main-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    aspect-ratio: 4/3;
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.image-thumbnails {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.image-thumbnails img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.image-thumbnails img:hover {
    transform: translateY(-5px);
}

/* Product Info Card */
.product-info {
    position: sticky;
    top: 100px;
}

.info-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.info-card h2 {
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
}

.info-card h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    margin-bottom: 1.2rem;
    padding-left: 2rem;
    position: relative;
    color: var(--text-secondary);
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Technical Details */
.technical-details {
    background: var(--bg-light);
}

/* Table Styles */
table {
    width: 100%;
    max-width: 1000px;
    margin: 2rem auto;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

th {
    background: var(--bg-light);
    color: var(--primary-color);
    font-weight: 600;
}

td {
    color: var(--text-secondary);
}

/* Content Wrapper */
.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.content-wrapper p {
    text-align: justify;
    margin-bottom: 1.5rem;
}

.content-wrapper h2,
.content-wrapper h3,
.content-wrapper h4 {
    text-align: center;
    margin: 2rem 0 1rem;
}

.content-wrapper ul,
.content-wrapper ol {
    max-width: 800px;
    margin: 1.5rem auto;
    padding-left: 2rem;
    text-align: left;
}

.content-wrapper li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

/* Contact Form */
.contact {
    background: var(--white);
    padding: 4rem 0;
}

.contact h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: var(--primary-color);
}

.contact-content {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

#product-inquiry-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    padding: 2rem;
}

#product-inquiry-form input,
#product-inquiry-form textarea {
    width: 100%;
    padding: 1.2rem;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
}

#product-inquiry-form input:focus,
#product-inquiry-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

#product-inquiry-form textarea {
    grid-column: span 2;
    min-height: 200px;
    resize: vertical;
}

#product-inquiry-form button[type="submit"] {
    grid-column: span 2;
    background: var(--primary-color);
    color: var(--white);
    padding: 1.2rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#product-inquiry-form button[type="submit"]:hover {
    background: var(--primary-light);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .product-info {
        position: static;
    }
}

@media (max-width: 768px) {
    .description-content {
        padding: 2rem;
    }
    
    .product-hero-content h1 {
        font-size: 2rem;
    }

    .contact-content {
        padding: 1rem;
    }

    #product-inquiry-form {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1rem;
    }

    #product-inquiry-form textarea,
    #product-inquiry-form button[type="submit"] {
        grid-column: span 1;
    }
    
}

/* Product Description Section */
.product-description {
    overflow: hidden;
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
}

.product-description img {
    float: left;
    margin: 0 2rem 1rem 0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
}

.product-description img:hover {
    transform: scale(1.02);
}

.product-description p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-secondary);
    overflow: hidden;
}

/* Responsive Design for Product Description */
@media (max-width: 768px) {
    .product-description {
        padding: 1rem;
    }
    
    .product-description img {
        float: none;
        display: block;
        margin: 0 auto 1.5rem;
        max-width: 100%;
        height: auto;
    }
}

/* Product List Page Specific Styles */
.feature-highlights {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.feature-highlights li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.feature-highlights li::before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.standards-section {
    background: var(--bg-light);
    padding: 4rem 0;
}

.standards-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.standards-content ul {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.standards-content li {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.standards-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.category-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    height: 100%;
}

.category-card .product-card {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform 0.3s ease;
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.category-card .product-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
}

.category-card .product-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.category-card .product-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    flex-grow: 1;
}

.feature-highlights {
    margin-bottom: 1.5rem;
}

.category-card .learn-more {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    margin-top: auto;
    transition: color 0.3s ease;
}

@media (max-width: 768px) {
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .category-card {
        padding: 1.5rem;
    }
    
    .category-card .product-card img {
        height: 200px;
    }
}