/* ==========================================================================
   Products – Shared Styles (Overview + Category Pages)
   ========================================================================== */

/* ── Mobile Menu ─────────────────────────────────────────────────── */
.mobile-menu {
    display: none;
    background: var(--white);
    padding: 1rem 2rem;
    box-shadow: var(--shadow-md);
    border-top: 2px solid var(--gray-light);
}
.mobile-menu.open { display: block; }
.mobile-menu ul { list-style: none; padding: 0; margin: 0; }
.mobile-menu ul li { border-bottom: 1px solid var(--gray-light); }
.mobile-menu ul li a {
    display: block;
    padding: 0.8rem 0;
    color: var(--dark);
    font-weight: 600;
    transition: color var(--transition-fast);
}
.mobile-menu ul li a:hover,
.mobile-menu ul li a.active { color: var(--primary); }

/* ── Page Hero ───────────────────────────────────────────────────── */
.page-hero {
    position: relative;
    background: url('../img/steel-pipes-tubes.webp') center center / cover no-repeat;
    min-height: 320px;
    display: flex;
    align-items: center;
    margin-top: 80px;
    overflow: hidden;
}
.page-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(26,32,44,0.75), rgba(13,16,22,0.85));
    z-index: 1;
}
.page-hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    padding: 4rem 20px;
}
.page-hero-content h1 { font-size: 3.5rem; margin-bottom: 0.5rem; animation: fadeInUp 0.7s ease forwards; }
.page-hero-content h1 span { color: var(--primary); }
.page-hero-content p { font-size: 1.1rem; color: var(--gray-light); margin-bottom: 1.5rem; }
.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.75);
}
.breadcrumb a { color: rgba(255,255,255,0.75); transition: color var(--transition-fast); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb i { font-size: 0.65rem; color: var(--primary); }
.breadcrumb span { color: var(--white); font-weight: 600; }

/* ── Category Color Codes (shared) ──────────────────────────────── */
.cat-color-1,
.cat-color-2,
.cat-color-3,
.cat-color-4,
.cat-color-5,
.cat-color-6,
.cat-color-7,
.cat-color-8 { background: #f4f4f4; }

.cat-color-1 i,
.cat-color-2 i,
.cat-color-3 i,
.cat-color-4 i,
.cat-color-5 i,
.cat-color-6 i,
.cat-color-7 i,
.cat-color-8 i { color: var(--primary) !important; }

/* ==========================================================================
   OVERVIEW PAGE – Category Cards Grid
   ========================================================================== */
.products-overview { background: var(--white); }

.products-overview .section-title h2 { color: var(--primary); }
.products-overview .section-title h2 span { color: var(--secondary); }

.cat-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.cat-card {
    background: var(--white);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1.5px solid var(--gray-light);
    display: flex;
    flex-direction: column;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    color: var(--dark);
}
.cat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 24px 48px rgba(188,35,37,0.15);
    border-color: var(--primary);
}

/* Featured card */
.cat-card-featured {
    border-color: var(--primary);
}
.cat-card-featured:hover {
    border-color: var(--primary);
}

/* ── Card Image ── */
.cat-card-img {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: var(--gray-light);
}
.cat-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
    filter: brightness(1);
    background: var(--white);
}
.cat-card:hover .cat-card-img img {
    transform: scale(1.08);
    filter: brightness(1);
}
.cat-card-img-overlay {
    display: none;
}

.cat-card-body {
    padding: 1.5rem 1.5rem 0.5rem;
    flex: 1;
    border-top: 2px solid var(--gray-light);
}

.cat-no {
    display: none;
}

.cat-card-body h3 {
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
    line-height: 1.3;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}

.badge-new {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: linear-gradient(135deg, #b7791f, #d69e2e);
    color: var(--white);
    padding: 0.2rem 0.6rem;
    border-radius: 50px;
}

.cat-card-body p {
    font-size: 0.8rem;
    color: var(--gray);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.cat-product-preview {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.cat-product-preview li {
    font-size: 0.82rem;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.cat-product-preview li i {
    font-size: 0.6rem;
    color: var(--primary);
    flex-shrink: 0;
}

.cat-card-footer {
    padding: 1.2rem 1.5rem;
    border-top: 1px solid var(--gray-light);
    margin-top: 1.2rem;
}
.cat-card-footer span {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap var(--transition-fast);
}
.cat-card:hover .cat-card-footer span { gap: 0.9rem; }
.cat-card-footer i { font-size: 0.8rem; transition: transform var(--transition-fast); }
.cat-card:hover .cat-card-footer i { transform: translateX(4px); }

/* ==========================================================================
   CATEGORY DETAIL PAGE
   ========================================================================== */
.cat-detail-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 2.5rem;
    align-items: start;
}

.cat-detail-layout-reverse {
    grid-template-columns: 1fr 260px;
}
.cat-detail-layout-reverse .cat-sidebar {
    order: 2;
}
.cat-detail-layout-reverse .cat-products-area {
    order: 1;
}

/* ── Sidebar ─────────────────────────────────────────────────────── */
.cat-sidebar {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-box {
    background: var(--white);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.sidebar-box h5 {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 1rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--gray-light);
}

/* Category nav list */
.sidebar-cat-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.sidebar-cat-list li a {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.55rem 0.8rem;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--dark);
    transition: all var(--transition-fast);
}
.sidebar-cat-list li a:hover { background: #fff0f0; color: var(--primary); }
.sidebar-cat-list li a.active {
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
}
.sidebar-cat-list li a i { font-size: 0.9rem; width: 16px; text-align: center; }

/* Grades box */
.grades-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.grade-tag {
    background: var(--light);
    border: 1px solid var(--gray-light);
    padding: 0.25rem 0.7rem;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--dark);
}

/* Quote box */
.quote-box {
    background: var(--grad-primary);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    color: var(--white);
}
.quote-box p {
    font-size: 0.9rem;
    margin-bottom: 1rem;
    color: rgba(255,255,255,0.9);
}
.quote-box .btn {
    width: 100%;
    background: var(--white);
    color: var(--primary);
    font-weight: 700;
    border-radius: 8px;
    padding: 0.7rem;
}
.quote-box .btn:hover { background: var(--light); }

/* ── Product Items Grid ──────────────────────────────────────────── */
.cat-products-area h2 {
    font-size: 1.8rem;
    color: var(--dark);
    margin-bottom: 0.5rem;
}
.cat-products-area > p {
    font-size: 1rem;
    color: var(--gray);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.product-items-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
}

.product-tile {
    background: var(--white);
    border: 1.5px solid var(--gray-light);
    border-radius: 12px;
    padding: 1.8rem 1.2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    color: var(--dark);
    cursor: pointer;
}
.product-tile:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    transform: translateY(-6px);
    box-shadow: 0 16px 32px rgba(188,35,37,0.2);
}
.product-tile-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: linear-gradient(135deg, #fff0f0, #ffe0e0);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-normal);
}
.product-tile:hover .product-tile-icon { background: rgba(255,255,255,0.2); }
.product-tile-icon i { font-size: 1.4rem; color: var(--primary); transition: color var(--transition-fast); }
.product-tile:hover .product-tile-icon i { color: var(--white); }
.product-tile h4 { font-size: 1rem; font-weight: 700; margin: 0; }
.product-tile p { font-size: 0.8rem; color: var(--gray); margin: 0; line-height: 1.5; transition: color var(--transition-fast); }
.product-tile:hover p { color: rgba(255,255,255,0.85); }
.product-tile .tile-cta {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.3rem;
    margin-top: 0.3rem;
    transition: color var(--transition-fast);
}
.product-tile:hover .tile-cta { color: var(--white); }

/* ── Product Type Cards Grid ─────────────────────────────────────── */
.product-type-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1rem;
    margin-top: 3rem;
}

.product-type-card {
    background: var(--white);
    border: 1.5px solid var(--gray-light);
    border-radius: 12px;
    padding: 1.5rem 0.8rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    text-align: center;
    color: var(--dark);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.product-type-card:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(188,35,37,0.2);
}
.pt-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: #fff0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-normal);
}
.product-type-card:hover .pt-icon { background: rgba(255,255,255,0.2); }
.pt-icon i {
    font-size: 1.3rem;
    color: var(--primary);
    transition: color var(--transition-fast);
}
.product-type-card:hover .pt-icon i { color: var(--white); }
.product-type-card span {
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1.3;
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 1200px) {
    .cat-cards-grid { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
    .cat-card-img { height: 190px; }
    .product-type-grid { grid-template-columns: repeat(5, 1fr); }
    .cat-detail-layout { grid-template-columns: 220px 1fr; gap: 2rem; }
}

@media (max-width: 992px) {
    .cat-cards-grid { grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
    .cat-card-img { height: 180px; }
    .cat-detail-layout,
    .cat-detail-layout-reverse { grid-template-columns: 1fr; }
    .cat-detail-layout-reverse .cat-sidebar { order: unset; }
    .cat-detail-layout-reverse .cat-products-area { order: unset; }
    .cat-sidebar { position: static; }
    .product-items-grid { grid-template-columns: repeat(3, 1fr); }
    .page-hero-content h1 { font-size: 2.5rem; }
    .product-type-grid { grid-template-columns: repeat(4, 1fr); }
    .export-regions-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    /* Page Hero */
    .page-hero { min-height: 220px; margin-top: 70px; }
    .page-hero-content { padding: 2.5rem 15px; }
    .page-hero-content h1 { font-size: 1.8rem; margin-bottom: 0.4rem; }
    .page-hero-content p { font-size: 0.9rem; margin-bottom: 1rem; }
    .breadcrumb { font-size: 0.78rem; flex-wrap: wrap; gap: 0.3rem; }

    /* Listing page cards */
    .cat-cards-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .cat-card-img { height: 150px; }
    .cat-card-body { padding: 0.9rem 0.9rem 0.3rem; }
    .cat-card-body h3 { font-size: 0.95rem; }
    .cat-card-body p { font-size: 0.72rem; }
    .cat-card-footer { padding: 0.7rem 0.9rem; margin-top: 0.6rem; }
    .cat-card-footer span { font-size: 0.78rem; }

    /* Detail page layout — sidebar goes below content on mobile */
    .cat-detail-layout,
    .cat-detail-layout-reverse { grid-template-columns: 1fr; gap: 1.5rem; }
    .cat-detail-layout-reverse .cat-sidebar { order: 2; }
    .cat-detail-layout-reverse .cat-products-area { order: 1; }
    .cat-sidebar { position: static; gap: 1rem; }
    .sidebar-box { padding: 1rem; }
    .sidebar-cat-list li a { font-size: 0.83rem; padding: 0.5rem 0.7rem; }
    .grades-list { gap: 0.3rem; }
    .grade-tag { font-size: 0.72rem; padding: 0.2rem 0.55rem; }
    .quote-box { padding: 1rem; }
    .quote-box p { font-size: 0.85rem; }

    /* Detail page content */
    .cat-products-area h2 { font-size: 1.4rem; }
    .cat-products-area > p { font-size: 0.88rem; line-height: 1.6; }
    .product-detail-sec { margin-top: 2rem; padding-top: 1.5rem; }
    .product-detail-sec h3 { font-size: 1.15rem; }
    .product-detail-sec p { font-size: 0.88rem; }

    /* Tables */
    .tech-table-container { margin: 1rem 0 1.5rem; border-radius: 6px; }
    .tech-table { font-size: 0.78rem; min-width: 500px; }
    .tech-table th { padding: 0.7rem 0.9rem; font-size: 0.78rem; }
    .tech-table td { padding: 0.6rem 0.9rem; }

    /* Spec list */
    .tech-spec-list { grid-template-columns: 1fr; gap: 0.6rem; margin: 1rem 0; }
    .tech-spec-list li { font-size: 0.85rem; }

    /* Export regions */
    .export-regions-grid { grid-template-columns: 1fr; gap: 1rem; margin-top: 1rem; }
    .region-card { padding: 1rem; }
    .region-card h4 { font-size: 0.95rem; }
    .region-card ul { grid-template-columns: 1fr; gap: 0.3rem; }
    .region-card ul li { font-size: 0.8rem; }

    /* Other grids */
    .product-items-grid { grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
    .product-type-grid { grid-template-columns: repeat(3, 1fr); gap: 0.8rem; }
}

@media (max-width: 480px) {
    .page-hero { min-height: 200px; }
    .page-hero-content h1 { font-size: 1.5rem; }
    .page-hero-content p { font-size: 0.82rem; }
    .breadcrumb { font-size: 0.72rem; }

    .cat-cards-grid { grid-template-columns: 1fr; gap: 0.9rem; }
    .cat-card-img { height: 170px; }

    .cat-products-area h2 { font-size: 1.25rem; }
    .product-detail-sec h3 { font-size: 1.05rem; gap: 0.4rem; }
    .product-detail-sec h3 i { font-size: 1rem; }

    .tech-table { font-size: 0.72rem; min-width: 420px; }
    .tech-table th, .tech-table td { padding: 0.5rem 0.7rem; }

    .tech-spec-list li { font-size: 0.8rem; }
    .region-card ul li { font-size: 0.75rem; }

    .product-items-grid { grid-template-columns: repeat(2, 1fr); }
    .product-type-grid { grid-template-columns: repeat(2, 1fr); }

    .sidebar-cat-list li a { font-size: 0.8rem; padding: 0.45rem 0.6rem; }
}

@media (max-width: 360px) {
    .page-hero-content h1 { font-size: 1.3rem; }
    .cat-cards-grid { grid-template-columns: 1fr; }
    .product-items-grid { grid-template-columns: 1fr; }
    .product-type-grid { grid-template-columns: repeat(2, 1fr); }
    .tech-table { min-width: 360px; font-size: 0.68rem; }
    .tech-table th, .tech-table td { padding: 0.4rem 0.5rem; }
}

/* ── Technical Detail Elements ─────────────────────────────────────── */
.tech-table-container {
    width: 100%;
    overflow-x: auto;
    margin: 1.5rem 0 2.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-light);
}
.tech-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    text-align: left;
    min-width: 650px;
}
.tech-table th {
    background-color: var(--primary);
    color: var(--white);
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 0.9rem 1.2rem;
    border: 1px solid var(--primary);
}
.tech-table td {
    padding: 0.8rem 1.2rem;
    border-bottom: 1px solid var(--gray-light);
    color: var(--dark);
    font-weight: 500;
}
.tech-table tr:nth-child(even) {
    background-color: #fcfcfc;
}
.tech-table tr:hover {
    background-color: #fff8f8;
}

/* Spec Info List */
.tech-spec-list {
    margin: 1.5rem 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
    padding-left: 0;
}
.tech-spec-list li {
    font-size: 0.9rem;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    color: var(--dark);
}
.tech-spec-list li i {
    color: var(--primary);
    font-size: 0.9rem;
    margin-top: 0.2rem;
}

/* Detail Section styling */
.product-detail-sec {
    margin-top: 3.5rem;
    padding-top: 2rem;
    border-top: 2px solid var(--gray-light);
}
.product-detail-sec h3 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.product-detail-sec h3 i {
    color: var(--primary);
}
.product-detail-sec p {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

/* Export Destinations Grid */
.export-regions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
}
.region-card {
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: 8px;
    padding: 1.2rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}
.region-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}
.region-card h4 {
    font-size: 1.05rem;
    color: var(--primary);
    margin-bottom: 0.8rem;
    border-bottom: 1px solid var(--gray-light);
    padding-bottom: 0.4rem;
}
.region-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.4rem;
}
.region-card ul li {
    font-size: 0.85rem;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.region-card ul li i {
    font-size: 0.6rem;
    color: var(--gray);
}

@media (max-width: 768px) {
    .tech-spec-list { grid-template-columns: 1fr; }
    .export-regions-grid { grid-template-columns: 1fr; }
}