/* Container */
.product-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
    font-family: Arial, sans-serif;
    color: #333;
}

/* Header */
.product-header {
    text-align: center;
    padding: 40px 20px 20px 20px;
    background-color: #f5f5f5;
    border-bottom: 1px solid #ddd;
}

.product-header h1 {
    color: #070529;
    font-size: 2.5rem;
}

.product-header p {
    font-size: 1.2rem;
    color: #555;
}

/* Product Content */
.product-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.product-image {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.product-details h2 {
    color: #070529;
    margin-bottom: 15px;
}

.product-details p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

.specifications {
    background: #f0f0f0;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.specifications h3 {
    color: #070529;
    font-size: 18px;
    margin-bottom: 10px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid #ddd;
    color: #555;
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-label {
    font-weight: bold;
}

/* Features / Applications */
.features h3 {
    color: #070529;
    font-size: 18px;
    margin-bottom: 10px;
}

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

.features ul li {
    padding-left: 25px;
    position: relative;
    font-size: 14px;
    color: #555;
    margin-bottom: 8px;
}

.features ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #38bdf8;
    font-weight: bold;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 15px;
}

.feature-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 0 14px rgba(15, 23, 42, 0.05);
    padding: 16px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 20px rgba(15, 23, 42, 0.15);
}

.feature-card h4 {
    margin: 0 0 8px;
    color: #0f172a;
    font-size: 1rem;
}

.feature-card p {
    margin: 0;
    color: #475569;
    font-size: 14px;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }
}

/* Related Products */
.related-products h2 {
    color: #070529;
    font-size: 24px;
    margin-bottom: 20px;
    text-align: center;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.product-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.product-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.product-card-content {
    padding: 15px;
}

.product-card-content h3 {
    color: #070529;
    font-size: 16px;
    margin-bottom: 8px;
}

.product-card-content p {
    color: #555;
    font-size: 14px;
}

/* Navigation */
.navigation {
    text-align: center;
    margin: 40px 0;
}

.nav-button {
    display: inline-block;
    margin: 5px 10px;
    padding: 10px 18px;
    background-color: #38bdf8;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
}

.nav-button:hover {
    background-color: #0ea5e9;
}

/* Footer */
footer {
    background: #070529;
    color: white;
    text-align: center;
    padding: 40px 20px;
    margin-top: 60px;
}

footer p {
    margin-bottom: 10px;
}

footer a {
    color: #38bdf8;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .product-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .product-header h1 {
        font-size: 1.8rem;
    }

    .product-header p {
        font-size: 1rem;
    }
}

    .specifications h3,
    .features h3 {
        font-size: 16px;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .product-card-content {
        padding: 10px;
    }

    .price {
        font-size: 22px;
    }

    .product-actions button {
        padding: 12px;
    }
}

/* Glass products-style containers */
.glass-category {
    background: linear-gradient(135deg, #ffffff, #f8faff);
    border: 1px solid #dee3ec;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 8px 22px rgba(5, 35, 80, 0.06);
}

.glass-category h2 {
    color: #053672;
    font-size: 26px;
    margin-bottom: 16px;
    border-left: 4px solid #38bdf8;
    padding-left: 12px;
}

.glass-category h3,
.glass-category h4 {
    color: #1f3f70;
    margin-top: 20px;
    margin-bottom: 8px;
}

.glass-category p {
    color: #42566b;
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 12px;
}

.glass-category ul {
    list-style: none;
    padding: 0;
    column-count: 2;
    column-gap: 30px;
    margin-bottom: 18px;
}

.glass-category li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 10px;
    color: #475775;
}

.glass-category li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #38bdf8;
    font-size: 20px;
    line-height: 1;
}