/* ============================================================
   Krieger Sevac - Professional Industrial Website
   Color Palette: Steel Blue (#1a3a52), Teal (#14b8a6), Slate
   Typography: Poppins (headings), Inter (body)
   ============================================================ */

:root {
    --primary: #1a3a52;
    --primary-dark: #0f2a3d;
    --accent: #14b8a6;
    --accent-dark: #0d9488;
    --text: #1e293b;
    --text-light: #64748b;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --bg-dark: #0f172a;
    --border: #e2e8f0;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --radius: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================================
   Navigation
   ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 18px;
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    padding: 10px 24px;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s;
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: all 0.3s;
}

/* ============================================================
   Hero Section
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    overflow: hidden;
    padding-top: 72px;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../images/hero-bg.jpg') center/cover no-repeat;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 650px;
    color: white;
    padding: 60px 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 24px;
}

.hero-badge::before {
    content: '';
    width: 40px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero p {
    font-size: 17px;
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
    margin-bottom: 32px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 36px;
}

.hero-stat .value {
    font-family: 'Poppins', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.hero-stat .label {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.2s;
}

.btn-hero-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
}

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: rgba(255,255,255,0.1);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    border: 1px solid rgba(255,255,255,0.3);
    transition: all 0.2s;
}

.btn-hero-secondary:hover {
    background: rgba(255,255,255,0.2);
}

.hero-features {
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 16px;
    z-index: 2;
}

.hero-feature-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius);
    padding: 24px;
    max-width: 380px;
}

.hero-feature-card h3 {
    color: var(--accent);
    font-size: 18px;
    margin-bottom: 8px;
}

.hero-feature-card p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    margin-bottom: 0;
}

/* ============================================================
   Sections
   ============================================================ */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
    margin: 0 auto 16px;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    color: var(--text);
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-light);
    font-size: 16px;
}

/* ============================================================
   Products
   ============================================================ */
.products-section {
    background: var(--bg-alt);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

/* Back navigation on category and product detail pages.
   External CSS is used because the legacy CSP blocks inline style attributes. */
.back-navigation {
    display: flex;
    justify-content: center;
    margin-top: 40px;
    padding-bottom: 40px;
}

.back-navigation-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 11px 24px;
    color: var(--primary);
    background: #ffffff;
    border: 1px solid var(--primary);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(26, 58, 82, 0.08);
    font-size: 14px;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    transition: background 160ms ease, color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.back-navigation-link:hover {
    color: #ffffff;
    background: var(--primary);
    box-shadow: 0 6px 16px rgba(26, 58, 82, 0.2);
    transform: translateY(-1px);
}

.back-navigation-link:focus-visible {
    outline: 3px solid rgba(20, 184, 166, 0.5);
    outline-offset: 3px;
}

.back-navigation-link:active { transform: translateY(0); }

.product-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.product-card-image {
    height: 200px;
    background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-card-body {
    padding: 24px;
}

.product-card-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(20, 184, 166, 0.1);
    color: var(--accent-dark);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
}

.product-card-body h3 {
    font-size: 18px;
    color: var(--text);
    margin-bottom: 8px;
}

.product-card-body p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.product-spec {
    padding: 4px 10px;
    background: var(--bg-alt);
    border-radius: 6px;
    font-size: 12px;
    color: var(--text-light);
    font-weight: 500;
}

.featured-product-detail-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: color 160ms ease, gap 160ms ease;
}

.featured-product-detail-link:hover {
    color: var(--accent-dark);
    gap: 12px;
}

.featured-product-detail-link:focus-visible {
    outline: 3px solid rgba(20, 184, 166, 0.5);
    outline-offset: 4px;
    border-radius: 3px;
}

/* ============================================================
   About Section
   ============================================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content h2 {
    font-size: 2.25rem;
    color: var(--text);
    margin-bottom: 16px;
}

.about-content p {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 24px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-alt);
    border-radius: 8px;
}

.about-feature-icon {
    width: 36px;
    height: 36px;
    background: rgba(20, 184, 166, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
}

.about-feature span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.about-image {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* ============================================================
   Contact Section
   ============================================================ */
.contact-section {
    background: var(--bg-alt);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.contact-info h3 {
    font-size: 1.5rem;
    color: var(--text);
    margin-bottom: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.contact-item-icon {
    width: 44px;
    height: 44px;
    background: rgba(20, 184, 166, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
}

.contact-item-text h4 {
    font-size: 14px;
    color: var(--text);
    margin-bottom: 4px;
}

.contact-item-text p {
    font-size: 14px;
    color: var(--text-light);
}

.contact-form {
    background: white;
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
}

.contact-form h3 {
    font-size: 1.25rem;
    color: var(--text);
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,58,82,0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-submit {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.form-submit:hover {
    background: var(--primary-dark);
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.7);
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    color: white;
    font-size: 20px;
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    color: white;
    font-size: 16px;
    margin-bottom: 16px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-contact p {
    font-size: 14px;
    margin-bottom: 8px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    text-align: center;
    font-size: 14px;
}

/* ============================================================
   Case Studies
   ============================================================ */
.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 24px;
}

.case-study-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.case-study-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.case-study-card-body {
    padding: 24px;
}

.case-study-card-body .industry-badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(20, 184, 166, 0.1);
    color: var(--accent-dark);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
}

.case-study-card-body h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.case-study-card-body .customer {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.case-study-card-body .challenge {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 992px) {
    .hero-features {
        display: none;
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        gap: 0;
        padding: 16px 0;
        border-bottom: 1px solid var(--border);
        z-index: 999;
    }
    
    .nav-links.mobile-open {
        display: flex;
    }
    
    .nav-links li {
        border-bottom: 1px solid var(--border);
    }
    
    .nav-links a {
        display: block;
        padding: 12px 24px;
    }
    
    .nav-cta {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    .hero h1 {
        font-size: 2.25rem;
    }
    .hero-stats {
        gap: 24px;
    }
    .products-grid {
        grid-template-columns: 1fr;
    }
    .about-features {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .case-studies-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   Utilities
   ============================================================ */
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 20px; font-size: 14px; }
.alert-success { background: #f0fdf4; color: #16a34a; border: 1px solid #bbf7d0; }
.alert-error { background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; }

/* ============================================================
   Breadcrumb Navigation (SEO)
   ============================================================ */
.breadcrumb-nav {
    background: var(--bg-alt);
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    position: relative;
    z-index: 10;
    margin-top: 72px;
}
.breadcrumb {
    display: flex;
    align-items: center;
    list-style: none;
    font-size: 13px;
    color: var(--text-light);
}
.breadcrumb li {
    display: flex;
    align-items: center;
}
.breadcrumb li + li::before {
    content: '/';
    margin: 0 8px;
    color: var(--border);
}
.breadcrumb a {
    color: var(--primary);
    text-decoration: none;
}
.breadcrumb a:hover {
    text-decoration: underline;
}

/* ============================================================
   Categories Grid
   ============================================================ */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 40px;
}

.category-card-link {
    text-decoration: none;
    color: var(--text);
    display: block;
}

.category-card {
    background: var(--bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border);
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.category-card-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-alt);
    overflow: hidden;
}

.category-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.category-card-body {
    padding: 24px;
}

.category-card-body h3 {
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 8px;
}

.category-card-body p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 12px;
    line-height: 1.5;
}

.category-product-count {
    display: inline-block;
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 8px;
}

.category-view-link {
    display: block;
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
    margin-top: 8px;
}

/* ============================================================
   Product Card Links
   ============================================================ */
.product-card-link {
    text-decoration: none;
    color: var(--text);
    display: block;
}

.product-card-link .product-card {
    cursor: pointer;
}

.product-view-link {
    display: block;
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
    margin-top: 12px;
    transition: color 0.2s;
}

.product-card-link:hover .product-view-link {
    color: var(--accent);
}

/* ============================================================
   Product Detail Page
   ============================================================ */
.product-detail-section {
    padding-bottom: 60px;
}

.product-detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
    margin-bottom: 48px;
}

.product-detail-image {
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-alt);
    border: 1px solid var(--border);
}

.product-detail-image img {
    width: 100%;
    height: auto;
    display: block;
}

.product-detail-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.product-detail-category {
    margin-bottom: 8px;
}

.product-detail-category a,
.product-detail-category span {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    text-decoration: none;
}

.product-detail-category a:hover {
    text-decoration: underline;
}

.product-detail-title {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 16px;
}

.product-detail-description {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 24px;
}

.product-detail-quick-specs {
    margin-bottom: 24px;
    padding: 16px;
    background: var(--bg-alt);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.product-detail-quick-specs h3 {
    font-size: 14px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.product-detail-meta {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 24px;
}

.product-detail-price .price-label {
    font-size: 14px;
    color: var(--text-light);
}

.product-detail-price .price-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-left: 8px;
}

.product-detail-stock .badge {
    font-size: 13px;
    padding: 6px 14px;
}

.product-detail-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary-lg {
    display: inline-flex;
    align-items: center;
    padding: 14px 32px;
    background: var(--primary);
    color: white;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s;
}

.btn-primary-lg:hover {
    background: var(--primary-dark);
}

.btn-outline-lg {
    display: inline-flex;
    align-items: center;
    padding: 14px 32px;
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-outline-lg:hover {
    background: var(--primary);
    color: white;
}

/* Full Description & Tech Specs Sections */
.product-detail-full-desc,
.product-detail-tech-specs,
.product-detail-related {
    margin-top: 48px;
    padding-top: 48px;
    border-top: 1px solid var(--border);
}

.product-detail-full-desc h2,
.product-detail-tech-specs h2,
.product-detail-related h2 {
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 24px;
}

.rich-text-content {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text);
}

.rich-text-content p {
    margin-bottom: 16px;
}

.rich-text-content ul,
.rich-text-content ol {
    margin: 16px 0;
    padding-left: 24px;
}

.rich-text-content li {
    margin-bottom: 8px;
}

.tech-specs-content table {
    width: 100%;
    border-collapse: collapse;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.tech-specs-content table th {
    background: var(--primary);
    color: white;
    padding: 12px 16px;
    text-align: left;
    font-size: 14px;
    font-weight: 600;
}

.tech-specs-content table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.tech-specs-content table tr:nth-child(even) td {
    background: var(--bg-alt);
}

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

/* Responsive - Product Detail */
@media (max-width: 768px) {
    .product-detail-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .product-detail-title {
        font-size: 24px;
    }
    
    .product-detail-actions {
        flex-direction: column;
    }
    
    .btn-primary-lg,
    .btn-outline-lg {
        justify-content: center;
        text-align: center;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
}