:root {
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 40px;
}

.front-page-content {
    max-width: 100%;
    margin-inline: auto;
    padding-inline: 0;
}

.hero-section {
    width: 100%;
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0,48,135,.9), rgba(0,32,91,.7)), url('https://lolebargh.com/wp-content/uploads/2022/07/شرکت-لوله-سازان.jpg');
    background-size: cover;
    background-position: center;
    color: #fff;
    text-align: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.4);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding-inline: var(--spacing-sm);
}

.hero-logo {
    max-width: 150px;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 2px 4px rgba(0,0,0,.3));
}

.hero-section h1 {
    font-size: 3.2rem;
    margin: .5em 0;
    font-weight: 700;
    text-shadow: 2px 2px 6px rgba(0,0,0,.4);
}

.hero-section p {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.hero-cta {
    display: inline-block;
    background-color: var(--accent);
    color: var(--brand);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none;
    transition: transform .25s, box-shadow .25s, background-color .25s;
}

.hero-cta:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow);
}

.hero-cta:focus-visible {
    outline: 3px solid #000;
    outline-offset: 3px;
}

.section-container {
    max-width: 1200px;
    margin-inline: auto;
    padding: var(--spacing-lg) var(--spacing-sm);
}

h2 {
    color: var(--brand);
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.about-content {
    max-width: 900px;
    margin-inline: auto;
    text-align: center;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--text);
    line-height: 1.9;
    margin-bottom: var(--spacing-md);
}

.about-cta {
    display: inline-block;
    background-color: var(--primary);
    color: #fff;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
    transition: background-color .25s;
}

.about-cta:hover {
    background-color: #357ABD;
}

.product-filters {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.product-filters button {
    background: var(--primary);
    color: #fff;
    padding: var(--spacing-sm) var(--spacing-md);
    margin: 0 5px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color .25s;
}

.product-filters button:hover {
    background: #357ABD;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.product-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: var(--spacing-md);
    text-align: center;
    transition: transform .25s, box-shadow .25s;
}

.product-card:hover {
    transform: scale(1.03);
    box-shadow: 0 6px 15px rgba(0,0,0,.1);
}

.product-icon {
    font-size: 2rem;
    margin-bottom: 8px;
    color: var(--primary);
}

.product-card h3 {
    font-size: 1.2rem;
    color: var(--brand);
    margin: .5em 0;
}

.product-card__desc {
    color: #555;
    font-size: .95rem;
}

.woo-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
}

.woo-product-card {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 12px;
    overflow: hidden;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.woo-product-card:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.woo-product-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.woo-product-image {
    width: 100%;
    min-height: 200px;
    object-fit: cover;
    border-radius: 8px 8px 0 0;
}

.woo-product-title {
    font-size: 1.1rem;
    color: var(--brand);
    margin: var(--spacing-sm) 0;
    font-weight: 600;
    padding: 0 var(--spacing-sm);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.blog-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    transition: transform .25s, box-shadow .25s;
}

.blog-card:hover {
    transform: scale(1.03);
    box-shadow: 0 6px 15px rgba(0,0,0,.1);
}

.blog-card__wrap {
    display: block;
    padding: var(--spacing-md);
    text-decoration: none;
    color: inherit;
}

.blog-card img {
    width: 100%;
    min-height: 220px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: var(--spacing-sm);
}

.blog-card h3 {
    font-size: 1.2rem;
    color: var(--brand);
    margin: .5em 0;
}

.blog-card p {
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.blog-cta {
    color: var(--primary);
    font-weight: 700;
    text-decoration: underline;
}

.customers-section {
    background: #f5f5f5;
}

.customers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.customer-card {
    background: #fff;
    border-radius: 12px;
    padding: var(--spacing-md);
    text-align: center;
    transition: transform .25s, box-shadow .25s;
}

.customer-card:hover {
    transform: scale(1.03);
    box-shadow: 0 6px 15px rgba(0,0,0,.1);
}

.customer-logo {
    max-width: 180px;
    height: auto;
    display: block;
    margin-inline: auto;
    filter: grayscale(100%);
    transition: filter .25s;
}

.customer-card:hover .customer-logo {
    filter: none;
}

.error-message {
    text-align: center;
    padding: var(--spacing-md);
}

.error-cta {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
}

@media (max-width: 1024px) {
    .hero-section h1 { font-size: 2.4rem; }
    .hero-section p { font-size: 1.2rem; }
    .section-container { padding: var(--spacing-md) var(--spacing-sm); }
}

@media (max-width: 768px) {
    .hero-section { min-height: 75vh; }
    .hero-cta { padding: var(--spacing-sm) var(--spacing-md); }
    .products-grid, .woo-products-grid, .blog-grid, .customers-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 480px) {
    .hero-section h1 { font-size: 1.6rem; }
    .hero-logo { max-width: 100px; }
    h2 { font-size: 1.8rem; }
}