/*  PRODUCT BANNER */
.product-banner {
    min-height: 350px;
    background:
        linear-gradient(
            rgba(10, 20, 30, 0.70),
            rgba(10, 20, 30, 0.70)
        ),
        url("../images/about.jpg");

    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
}
.page-banner-content {
    color: #fff;
}

.page-banner-content span {
    color: #d69b20;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
}

.page-banner-content h1 {
    font-size: 52px;
    line-height: 1.1;
    margin: 12px 0;
}

.page-banner-content p {
    color: #ddd;
}

/* PRODUCT INTRO */
.product-intro {
    padding: 90px 0 50px;
}

/* PRODUCT LIST */
.products-list {
    padding: 50px 0 100px;
}

.product-row {
    display: grid;
    grid-template-columns:
        1fr 1fr;
    gap: 70px;
    align-items: center;
    margin-bottom: 100px;
}

.product-row.reverse .product-row-image {
    order: 2;
}

.product-row-image {
    height: 450px;
    overflow: hidden;
}

.product-row-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.5s;
}

.product-row:hover
.product-row-image img {
    transform: scale(1.04);
}

.product-number {
    display: inline-block;
    color: #d69b20;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 10px;
}

.product-row-content h2 {
    font-size: 38px;
    line-height: 1.2;
    margin-bottom: 20px;
}

.product-row-content p {
    color: #666;
    margin-bottom: 15px;
    text-align: justify;
}

.product-row-content ul {
    list-style: none;
    margin: 25px 0;
}

.product-row-content li {
    margin-bottom: 10px;
    color: #444;
}

.product-row-content li::before {
    content: "✓";
    color: #d69b20;
    font-weight: bold;
    margin-right: 10px;
}

/* APPLICATIONS */
.applications-section {
    padding: 100px 0;
    background: #f6f7f8;
}

.application-grid {
    display: grid;
    grid-template-columns:
        repeat(4, 1fr);
    gap: 20px;
}

.application-card {
    background: #fff;
    padding: 35px 25px;
    transition: 0.3s;
    border-bottom: 3px solid
        transparent;
}

.application-card:hover {
    transform: translateY(-8px);
    border-bottom-color:
        #d69b20;
    box-shadow:
        0 15px 40px
        rgba(0, 0, 0, 0.08);
}

.application-icon {
    width: 50px;
    height: 50px;
    background: #d69b20;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-bottom: 20px;
}

.application-card h3 {
    margin-bottom: 10px;
}

.application-card p {
    color: #666;
    text-align: justify;
}

/*  CTA */
.product-cta {
    padding: 100px 0;
    background:
        linear-gradient(
            rgba(10, 20, 30, 0.88),
            rgba(10, 20, 30, 0.88)
        ),

        url("../images/contact-bg.png");

    background-size: cover;
    background-position: center;
}

.product-cta-content {
    text-align: center;
    color: #fff;
    max-width: 700px;
    margin: auto;
}

.product-cta-content h2 {
    font-size: 42px;
    margin-bottom: 15px;
}

.product-cta-content p {
    color: #ddd;
    margin-bottom: 30px;
}


/* =================================
   RESPONSIVE
================================= */
@media (max-width: 900px) {

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

}

@media (max-width: 768px) {

    .product-row {
        grid-template-columns: 1fr;
        gap: 35px;
        margin-bottom: 70px;
    }

    .product-row.reverse .product-row-image {
        order: 0;
    }

    .product-row-image {
        height: 350px;
    }

    .product-row-content h2 {
        font-size: 32px;
    }

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

}

/* =========================================
   PRODUCT DETAIL PAGES (existing stylesheet)
========================================= */
.detail-banner { min-height: 300px; }
.detail-banner .page-banner-content { max-width: 900px; }
.detail-overview { padding: 85px 0; }
.detail-overview-grid { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: 65px; align-items: center; }
.detail-image-wrap { position: relative; min-height: 460px; background: #f3f4f6; overflow: hidden; }
.detail-image-wrap img { width: 100%; height: 460px; object-fit: cover; }
.detail-image-caption { position: absolute; left: 20px; bottom: 20px; padding: 10px 14px; background: rgba(17,24,39,.88); color: #fff; font-size: 12px; letter-spacing: .5px; }
.detail-overview-copy h2 { font-size: clamp(32px, 3vw, 44px); line-height: 1.15; margin: 0 0 14px; }
.detail-overview-copy h3 { font-size: 17px; line-height: 1.5; color: #555; margin-bottom: 22px; font-weight: 600; }
.detail-overview-copy > p { color: #666; margin-bottom: 24px; }
.detail-quick-points { display: grid; gap: 10px; margin: 25px 0 30px; }
.detail-quick-points span { color: #454545; font-size: 14px; }
.detail-quick-points b { color: #d69b20; margin-right: 12px; }
.detail-benefits-section, .detail-applications { padding: 85px 0; background: #f6f7f8; }
.detail-benefits-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 24px; }
.detail-benefit { display: flex; gap: 18px; background: #fff; padding: 28px; border: 1px solid #eceef1; }
.detail-check { flex: 0 0 34px; height: 34px; display: flex; align-items: center; justify-content: center; background: #d69b20; color: #fff; font-weight: 700; }
.detail-benefit h3, .detail-app-card h3 { margin-bottom: 8px; font-size: 18px; }
.detail-benefit p, .detail-app-card p { color: #666; font-size: 14px; }
.detail-applications { background: #fff; }
.detail-app-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }
.detail-app-card { padding: 27px 22px; border: 1px solid #e7e9ec; border-top: 3px solid #d69b20; background: #fff; }
.detail-specifications { padding: 90px 0; background: #111827; color: #fff; }
.detail-spec-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 60px; align-items: start; }
.detail-spec-intro h2, .detail-pack-grid h2 { font-size: 36px; line-height: 1.2; margin-bottom: 18px; }
.detail-spec-intro > p { color: #c5cad2; margin-bottom: 28px; }
.detail-note { padding: 22px; border-left: 3px solid #d69b20; background: #1b2433; }
.detail-note strong { display: block; margin-bottom: 9px; color: #fff; }
.detail-note p { color: #d5d9df; font-size: 14px; }
.detail-spec-table-wrap { overflow-x: auto; background: #fff; color: #222; }
.detail-spec-table { border-collapse: collapse; width: 100%; }
.detail-spec-table th, .detail-spec-table td { padding: 15px 18px; text-align: left; border-bottom: 1px solid #e8e9eb; font-size: 14px; }
.detail-spec-table thead th { background: #d69b20; color: #fff; font-size: 16px; }
.detail-spec-table tbody th { width: 46%; color: #333; background: #f7f7f7; font-weight: 700; }
.detail-spec-table tbody td { color: #555; }
.detail-packaging { padding: 85px 0; }
.detail-pack-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 60px; align-items: center; }
.detail-pack-grid > div:first-child > p { color: #666; max-width: 680px; }
.detail-pack-highlight { padding: 32px; background: #f6f7f8; border-bottom: 3px solid #d69b20; }
.detail-pack-highlight h3 { margin-bottom: 10px; }
.detail-pack-highlight p { color: #666; margin-bottom: 16px; font-size: 14px; }
.text-link { color: #a8750c; font-weight: 700; font-size: 14px; }
.text-link span { margin-left: 6px; }
.detail-cta { background: linear-gradient(rgba(10,20,30,.9),rgba(10,20,30,.9)), url("../images/hero.png"); background-size: cover; background-position: center; }
.detail-back-link { display: inline-block; margin-left: 22px; color: #fff; font-size: 14px; text-decoration: underline; text-underline-offset: 4px; }
.btn-product-enquire { display: inline-block; padding: 13px 24px; margin-left: 8px; border: 1px solid #d69b20; color: #8b650d; font-size: 14px; font-weight: 600; transition: .3s; }
.btn-product-enquire:hover { background: #d69b20; color: #fff; }
.product-row-content .btn { margin-top: 6px; }
.product-row-content h3 { line-height: 1.4; margin-bottom: 16px; }
@media (max-width: 1000px) { .detail-app-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } .detail-overview-grid, .detail-spec-grid, .detail-pack-grid { gap: 35px; } }
@media (max-width: 768px) { .detail-overview, .detail-benefits-section, .detail-applications, .detail-specifications, .detail-packaging { padding: 60px 0; } .detail-overview-grid, .detail-spec-grid, .detail-pack-grid { grid-template-columns: 1fr; } .detail-image-wrap, .detail-image-wrap img { min-height: 300px; height: 300px; } .detail-benefits-grid, .detail-app-grid { grid-template-columns: 1fr; } .detail-spec-intro h2, .detail-pack-grid h2 { font-size: 30px; } .detail-back-link { margin: 18px 0 0; display: block; } .btn-product-enquire { margin: 10px 0 0; } }

.product-row-image > a { display: block; width: 100%; height: 100%; }
.product-row-content h2 a:hover { color: #b77e10; }
.product-row-content h2 a { transition: color .25s ease; }



/* PRODUCT CATEGORY FILTERS */
.product-category-filter {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 65px;
}

.category-btn {
    padding: 14px 22px;
    background: #f5f5f5;
    border: 1px solid #e3e3e3;
    color: #222;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-btn:hover,
.category-btn.active {
    background: #d69b20;
    border-color: #d69b20;
    color: #fff;
}

.product-row[hidden] {
    display: none !important;
}

@media (max-width: 768px) {
    .product-category-filter {
        gap: 10px;
        margin-bottom: 40px;
    }

    .category-btn {
        width: 100%;
        padding: 13px 15px;
    }
}