/* Product Detail Page Styles */
.product-detail-hero {
    background: #2775B7;
    height: 160px;
    margin-top: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    position: relative;
}

.product-detail-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
}

.product-detail-hero h1 {
    font-size: 2.2em;
    margin-bottom: 10px;
    position: relative;
}

.product-detail-hero h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: rgba(255, 255, 255, 0.6);
}

.back-button {
    position: fixed;
    top: 100px;
    left: 30px;
    background-color: #2775B7;
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    transition: all 0.3s;
    z-index: 1000;
    font-size: 0.95em;
}

.back-button:hover {
    background-color: #1e5ea2;
    transform: translateX(-3px);
}

.product-detail-content {
    padding: 40px 0;
    max-width: 1000px;
    margin: 0 auto;
}

.product-detail-section {
    margin-bottom: 40px;
}

.product-main-image {
    width: 100%;
    max-width: 800px;
    margin: 0 auto 40px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.product-main-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.product-description {
    max-width: 800px;
    margin: 0 auto 60px;
    line-height: 1.8;
    color: #333;
    padding: 0 20px;
    background: #f8f9fa;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.product-description h2 {
    margin-bottom: 20px;
    color: #2775B7;
    font-size: 1.4em;
    padding: 20px 0 10px 20px;
    border-bottom: 2px solid #e9ecef;
}

.product-description p {
    padding: 0 30px 30px;
    color: #495057;
}

.product-parameters {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    margin-top: 40px;
    padding: 0 20px;
}

.parameter-image {
    width: 100%;
    max-width: 800px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
}

.parameter-image img {
    width: 100%;
    height: auto;
    display: block;
}

.parameter-text {
    width: 100%;
    max-width: 800px;
    background: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.parameter-text h3 {
    margin-bottom: 20px;
    color: #2775B7;
    font-size: 1.4em;
    padding-bottom: 10px;
    border-bottom: 2px solid #e9ecef;
}

.parameter-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.parameter-list li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    color: #495057;
}

.parameter-list li:before {
    content: "•";
    color: #2775B7;
    font-size: 1.5em;
    position: absolute;
    left: 0;
    top: -5px;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 0 30px 30px;
}

.product-feature {
    color: #495057;
    padding: 10px 15px;
    background: rgba(39, 117, 183, 0.05);
    border-radius: 6px;
    font-size: 0.95em;
}

@media (max-width: 768px) {
    .product-detail-hero {
        height: 120px;
        margin-top: 60px;
    }

    .product-detail-hero h1 {
        font-size: 1.8em;
    }

    .product-detail-content {
        padding: 30px 15px;
    }

    .product-description,
    .product-parameters {
        padding: 0 15px;
    }

    .product-description {
        padding: 0;
    }

    .product-description h2 {
        padding: 20px 0 10px 20px;
    }

    .product-description p {
        padding: 0 20px 20px;
    }

    .back-button {
        top: auto;
        bottom: 30px;
        left: 50%;
        transform: translateX(-50%);
        padding: 12px 30px;
    }

    .back-button:hover {
        transform: translateX(-50%) translateY(-3px);
    }

    .parameter-text {
        padding: 20px;
    }

    .parameter-list {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .product-features {
        padding: 0 20px 20px;
    }
}