/* Premium Inner Page Layout */
.chemoil-inner-page {
    font-family: 'Inter', sans-serif;
    color: #4b5563;
}

.chemoil-product-hero-split {
    display: flex;
    flex-wrap: nowrap;
    background: #fdfdfd;
    padding: 80px 0;
    align-items: center;
    border-bottom: 1px solid #eaeaea;
    max-width: 1200px;
    margin: 0 auto;
}

.chemoil-product-hero-image {
    flex: 1 1 50%;
    padding: 0 50px;
    text-align: center;
}

.chemoil-product-hero-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 30px rgba(0,0,0,0.1));
    transition: transform 0.4s ease;
}

.chemoil-product-hero-image img:hover {
    transform: scale(1.05) translateY(-10px);
}

.chemoil-product-hero-content {
    flex: 1 1 50%;
    padding: 0 50px;
}

.chemoil-product-hero-content h1 {
    font-size: 42px;
    font-weight: 800;
    color: #0b2239;
    margin-bottom: 20px;
    line-height: 1.2;
}

.chemoil-product-hero-content .product-subtitle {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    color: #2563eb;
    letter-spacing: 1.5px;
    margin-bottom: 15px;
    display: block;
}

.chemoil-product-hero-content p {
    font-size: 18px;
    line-height: 1.7;
    color: #4b5563;
    margin-bottom: 40px;
}

.btn-request-quote {
    display: inline-block;
    background: #e11d48;
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
    padding: 16px 36px;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(225, 29, 72, 0.3);
}

.btn-request-quote:hover {
    background: #be123c;
    color: #ffffff;
    box-shadow: 0 6px 20px rgba(225, 29, 72, 0.4);
    transform: translateY(-2px);
}

.chemoil-product-data-section {
    padding: 80px 0;
    background: #ffffff;
}

.chemoil-tabs-container {
    max-width: 1000px;
    margin: 0 auto;
}

.chemoil-tabs-nav {
    display: flex;
    border-bottom: 2px solid #eaeaea;
    margin-bottom: 40px;
}

.chemoil-tab-btn {
    padding: 15px 30px;
    font-size: 18px;
    font-weight: 700;
    color: #9ca3af;
    background: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.chemoil-tab-btn:hover {
    color: #0b2239;
}

.chemoil-tab-btn.active {
    color: #0b2239;
}

.chemoil-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: #2563eb;
    border-radius: 3px 3px 0 0;
}

.chemoil-tab-content {
    display: none;
    animation: fadeIn 0.5s ease forwards;
}

.chemoil-tab-content.active {
    display: block;
}

.chemoil-features-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.chemoil-features-list li {
    background: #f8fafc;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #2563eb;
    font-size: 16px;
    font-weight: 500;
    color: #1e293b;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}

.chemoil-specs-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.chemoil-specs-table th, .chemoil-specs-table td {
    padding: 18px 24px;
    text-align: left;
    border-bottom: 1px solid #f1f5f9;
}

.chemoil-specs-table tr:last-child td {
    border-bottom: none;
}

.chemoil-specs-table th {
    background: #f8fafc;
    font-weight: 700;
    color: #0b2239;
    width: 30%;
}

.chemoil-specs-table td {
    color: #475569;
    font-size: 16px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .chemoil-product-hero-split {
        flex-direction: column;
        padding: 40px 0;
    }
    .chemoil-product-hero-image, .chemoil-product-hero-content {
        flex: 1 1 100%;
        padding: 20px;
    }
    .chemoil-tab-btn {
        padding: 12px 15px;
        font-size: 15px;
    }
    .chemoil-features-list {
        grid-template-columns: 1fr;
    }
}

/* Portfolio Grid Global Styles */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}
.portfolio-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    padding: 20px;
    text-align: center;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.portfolio-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}
.card-image-wrapper {
    background: #f8f9fa;
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 20px;
}
.portfolio-card img {
    max-width: 100%;
    height: auto;
    transition: transform 0.3s ease;
}
.portfolio-card:hover img {
    transform: scale(1.05);
}
.portfolio-card h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #1a1a1a;
    font-weight: 600;
}
.btn-card-details {
    display: inline-block;
    padding: 10px 20px;
    background: #0d47a1;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: background 0.3s ease;
    margin-top: auto;
}
.btn-card-details:hover {
    background: #002171;
    color: #fff;
}
.portfolio-header {
    text-align: center;
    margin-bottom: 40px;
}
.portfolio-tag {
    display: inline-block;
    padding: 5px 15px;
    background: rgba(13, 71, 161, 0.1);
    color: #0d47a1;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 20px;
    margin-bottom: 15px;
}
@media (max-width: 991px) {
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575px) {
    .portfolio-grid { grid-template-columns: 1fr; }
}

.chemoil-portfolio-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}