:root {
    --lg-red: #a50034;
    --lg-red-hover: #800028;
    --dark-blue: #071526;
    --light-bg: #f8fafc;
    --border-color: #e2e8f0;
    --text-main: #334155;
    --text-dark: #0f172a;
    --glass-bg: rgba(255, 255, 255, 0.85);
}

/* Sticky Sub-nav */
.product-subnav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    transition: all 0.3s ease;
}
.subnav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.subnav-title {
    font-size: 17px;
    font-weight: 800;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}
.subnav-title span {
    color: var(--lg-red);
    font-size: 10px;
    font-weight: 900;
    text-transform: uppercase;
    border: 1.5px solid var(--lg-red);
    padding: 2px 8px;
    border-radius: 6px;
    letter-spacing: 0.05em;
}
.subnav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}
.subnav-links a {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    transition: all 0.2s ease;
    position: relative;
    padding: 4px 0;
}
.subnav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--lg-red);
    transition: width 0.25s ease;
}
.subnav-links a:hover {
    color: var(--lg-red);
}
.subnav-links a:hover::after {
    width: 100%;
}
.subnav-links .btn-quote {
    background: var(--lg-red);
    color: #fff;
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 700;
    transition: all 0.25s ease;
    box-shadow: 0 4px 12px rgba(165, 0, 52, 0.2);
}
.subnav-links .btn-quote:hover {
    background: var(--lg-red-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(165, 0, 52, 0.3);
}
.subnav-links .btn-quote::after {
    display: none;
}

/* Hero Section */
.lg-hero {
    background: radial-gradient(circle at 80% 20%, #1e293b 0%, #080f1d 70%, #030712 100%);
    color: #fff;
    padding: 90px 0 110px 0;
    position: relative;
    overflow: hidden;
}
.lg-hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(165, 0, 52, 0.15) 0%, transparent 70%);
    filter: blur(50px);
    pointer-events: none;
}
.lg-hero::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -5%;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.1) 0%, transparent 70%);
    filter: blur(50px);
    pointer-events: none;
}
.lg-hero-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}
.lg-hero-content p.eyebrow {
    color: #38bdf8;
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    margin-bottom: 16px;
    text-shadow: 0 2px 10px rgba(56, 189, 248, 0.2);
}
.lg-hero-content h1 {
    font-size: 48px;
    line-height: 1.15;
    font-weight: 900;
    margin: 0 0 24px 0;
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, #ffffff 40%, #e2e8f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.lg-hero-content p.desc {
    font-size: 16px;
    line-height: 1.65;
    color: #94a3b8;
    margin-bottom: 35px;
    font-weight: 500;
}
.lg-hero-sizes {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
}
.size-chip {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    color: #f1f5f9;
    transition: all 0.25s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.size-chip:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}
.lg-hero-ctas {
    display: flex;
    gap: 18px;
    align-items: center;
}
.lg-hero-ctas .btn-primary {
    background: var(--lg-red);
    border: 1.5px solid var(--lg-red);
    color: #fff;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 14px;
    box-shadow: 0 4px 14px rgba(165, 0, 52, 0.35);
    transition: all 0.25s ease;
    text-decoration: none;
    display: inline-block;
}
.lg-hero-ctas .btn-primary:hover {
    background: var(--lg-red-hover);
    border-color: var(--lg-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(165, 0, 52, 0.45);
}
.lg-hero-ctas .btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    border: 1.5px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 14px;
    transition: all 0.25s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.lg-hero-ctas .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}
.lg-hero-img {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}
.lg-hero-img img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.65);
    transition: transform 0.5s ease;
}
.lg-hero-img img:hover {
    transform: scale(1.02);
}

/* Highlight Ribbon */
.lg-highlights {
    background: #080f1d;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    padding: 35px 0;
    color: #fff;
}
.lg-highlights-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.highlight-item {
    text-align: center;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    padding: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.highlight-item:last-child {
    border-right: none;
}
.highlight-icon {
    font-size: 20px;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.08);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(56, 189, 248, 0.15);
    box-shadow: 0 4px 10px rgba(56, 189, 248, 0.05);
    margin-bottom: 2px;
}
.highlight-item strong {
    display: block;
    font-size: 24px;
    font-weight: 800;
    color: #38bdf8;
    margin-bottom: 4px;
    text-shadow: 0 2px 10px rgba(56, 189, 248, 0.15);
}
.highlight-item span {
    font-size: 11px;
    color: #94a3b8;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Ports Map Grid Symmetrical Layout */
.ports-map {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}
.port-tag {
    display: flex;
    align-items: center;
    gap: 15px;
    background: #f8fafc;
    border: 1px solid var(--border-color);
    padding: 16px;
    border-radius: 12px;
    transition: all 0.25s ease;
}
.port-tag:hover {
    transform: translateY(-2px);
    border-color: var(--lg-red);
    background: #fff;
    box-shadow: 0 10px 20px rgba(0,0,0,0.03);
}
.port-tag-num {
    background: var(--lg-red);
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 14px;
    flex-shrink: 0;
}
.port-tag-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-align: left;
}
.port-tag-text strong {
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 700;
}
.port-tag-text span {
    font-size: 12px;
    color: var(--text-main);
}

/* Features Section */
.features-grid-custom {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}
.feature-card-custom {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 30px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 6px rgba(0,0,0,0.01);
}
.feature-card-custom:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 36px rgba(7, 21, 38, 0.06);
    border-color: #cbd5e1;
}
.feature-icon-box {
    width: 52px;
    height: 52px;
    background: #fff5f7;
    border: 1px solid rgba(165, 0, 52, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--lg-red);
    margin-bottom: 25px;
    box-shadow: 0 4px 10px rgba(165, 0, 52, 0.05);
}
.feature-card-custom h3 {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-dark);
    margin: 0 0 12px 0;
    letter-spacing: -0.01em;
}
.feature-card-custom p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-main);
    margin: 0;
}

/* Content Blocks */
.content-block-custom {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 110px;
}
.content-block-custom:last-child {
    margin-bottom: 0;
}
.content-block-custom.reverse .block-text {
    order: 2;
}
.content-block-custom.reverse .block-visual {
    order: 1;
}
.block-text p.block-eyebrow {
    color: var(--lg-red);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 14px;
}
.block-text h3 {
    font-size: 34px;
    line-height: 1.2;
    font-weight: 800;
    color: var(--text-dark);
    margin: 0 0 20px 0;
    letter-spacing: -0.02em;
}
.block-text p.desc {
    font-size: 15px;
    line-height: 1.65;
    color: var(--text-main);
    margin-bottom: 30px;
}
.block-bullets {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.bullet-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.bullet-item i {
    color: var(--lg-red);
    font-size: 18px;
    margin-top: 3px;
}
.bullet-item strong {
    display: block;
    font-size: 15px;
    color: var(--text-dark);
    margin-bottom: 4px;
    font-weight: 700;
}
.bullet-item span {
    font-size: 13px;
    line-height: 1.55;
    color: var(--text-main);
}
.block-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 30px;
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.03);
    height: 100%;
    min-height: 380px;
    overflow: hidden;
}
.block-visual img {
    max-width: 100%;
    height: auto;
    border-radius: 14px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
    transition: transform 0.4s ease;
}
.block-visual:hover img {
    transform: scale(1.025);
}

/* Specs Table */
.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 40px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
}
.specs-table tr {
    border-bottom: 1px solid var(--border-color);
}
.specs-table tr:last-child {
    border-bottom: none;
}
.specs-table td {
    padding: 24px 30px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-main);
    vertical-align: top;
}
.specs-table td.label {
    font-weight: 800;
    color: var(--text-dark);
    width: 25%;
    background: #f8fafc;
    border-right: 1px solid var(--border-color);
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.08em;
    vertical-align: middle;
}
.specs-table td ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.specs-table td ul li {
    position: relative;
    padding-left: 18px;
}
.specs-table td ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--lg-red);
    font-weight: 900;
}

/* Dimensions Section */
.dimensions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}
.dim-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 35px 30px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.01);
    transition: all 0.3s ease;
}
.dim-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(7, 21, 38, 0.04);
}
.dim-card h4 {
    font-size: 17px;
    font-weight: 800;
    color: var(--text-dark);
    margin: 0 0 20px 0;
    border-bottom: 2px solid var(--lg-red);
    padding-bottom: 10px;
    display: inline-block;
    letter-spacing: -0.01em;
}
.dim-item {
    display: flex;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px dashed var(--border-color);
    font-size: 14px;
}
.dim-item:last-child {
    border-bottom: none;
}
.dim-item strong {
    color: var(--text-main);
    font-weight: 600;
}
.dim-item span {
    color: var(--text-dark);
    font-weight: 700;
}

/* Downloads Section */
.service-download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
    align-items: start;
}
.download-group {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    padding: 30px 24px;
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}
.download-group h4 {
    font-size: 14px;
    font-weight: 800;
    color: var(--text-dark);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--lg-red);
    padding-bottom: 8px;
    width: max-content;
}
.download-group .reveal {
    margin-top: 0 !important;
}
.service-download-grid a.reveal {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--border-color);
    padding: 35px;
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 6px rgba(0,0,0,0.01);
    position: relative;
    overflow: hidden;
}
.service-download-grid a.reveal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--lg-red);
    transition: width 0.25s ease;
}
.service-download-grid a.reveal:hover {
    transform: translateY(-5px);
    box-shadow: 0 24px 40px rgba(7, 21, 38, 0.08);
    border-color: #cbd5e1;
}
.service-download-grid a.reveal:hover::before {
    width: 8px;
}
.service-download-grid a.reveal i {
    font-size: 36px;
    color: var(--lg-red);
    margin-bottom: 22px;
    transition: transform 0.25s ease;
}
.service-download-grid a.reveal:hover i {
    transform: scale(1.1);
}
.service-download-grid a.reveal span {
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--lg-red);
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}
.service-download-grid a.reveal strong {
    font-size: 18px;
    color: var(--text-dark);
    font-weight: 800;
    letter-spacing: -0.01em;
}

/* Related Products Section */
.related-products-section {
    background: #f8fafc;
    border-top: 1px solid var(--border-color);
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 50px;
}
.related-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 35px;
    display: flex;
    gap: 30px;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.01);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none !important;
}
.related-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 30px rgba(7, 21, 38, 0.05);
    border-color: #cbd5e1;
}
.related-img {
    width: 140px;
    height: 100px;
    flex-shrink: 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}
.related-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.related-info {
    flex-grow: 1;
}
.related-info span {
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--lg-red);
    display: block;
    margin-bottom: 6px;
    letter-spacing: 0.05em;
}
.related-info h4 {
    font-size: 18px;
    font-weight: 800;
    margin: 0 0 8px 0;
    color: var(--text-dark);
    letter-spacing: -0.015em;
}
.related-info p {
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-main);
    margin: 0 0 16px 0;
}
.related-info .btn-link {
    font-size: 13px;
    font-weight: 700;
    color: var(--lg-red);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.related-card:hover .related-info .btn-link {
    color: var(--lg-red-hover);
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
    .lg-hero-grid {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    .lg-hero-sizes, .lg-hero-ctas {
        justify-content: center;
    }
    .lg-highlights-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .highlight-item {
        border-right: none;
    }
    .highlight-item:nth-child(odd) {
        border-right: 1px solid rgba(255, 255, 255, 0.08);
    }
    .features-grid-custom {
        grid-template-columns: 1fr;
    }
    .content-block-custom {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .content-block-custom.reverse .block-text {
        order: 1;
    }
    .content-block-custom.reverse .block-visual {
        order: 2;
    }
    .specs-table td.label {
        width: 35%;
    }
    .dimensions-grid {
        grid-template-columns: 1fr;
    }
    .service-download-grid {
        grid-template-columns: 1fr;
    }
    .related-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
}

@media (max-width: 992px) {
    .subnav-links {
        gap: 15px;
    }
    .subnav-links a {
        font-size: 13px;
    }
    .subnav-title {
        font-size: 15px;
    }
    .subnav-title span {
        font-size: 9px;
        padding: 1px 6px;
    }
}

@media (max-width: 768px) {
    .product-subnav {
        padding: 10px 0;
    }
    .subnav-container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    .subnav-links {
        justify-content: center;
        flex-wrap: wrap;
        gap: 16px;
    }
    .ports-map {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .lg-hero-content h1 {
        font-size: 36px;
    }
    .subnav-links {
        display: none; /* Hide submenu links on mobile for cleaner look */
    }
    .subnav-container {
        justify-content: center;
    }
    .lg-highlights-container {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .highlight-item {
        border-right: none !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        padding-bottom: 15px;
    }
    .highlight-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
    .related-card {
        flex-direction: column;
        text-align: center;
    }
    .related-img {
        width: 100%;
        height: 140px;
    }
}