.page-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.page-hero h1 {
    font-size: 42px;
    margin-bottom: 16px;
}

.page-hero p {
    font-size: 18px;
    opacity: 0.9;
}

/* Product Detail Page */
.product-detail {
    padding: 80px 0;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.product-gallery .main-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 16px;
    background: var(--bg-alt);
}

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

.thumbnail-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}

.thumbnail-grid img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--radius);
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.thumbnail-grid img:hover,
.thumbnail-grid img.active {
    border-color: var(--primary);
}

.product-tag {
    display: inline-block;
    background: var(--accent);
    color: var(--bg-dark);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
}

.product-detail-info h2 {
    font-size: 32px;
    margin-bottom: 8px;
}

.product-subtitle {
    color: var(--text-light);
    font-size: 16px;
    margin-bottom: 24px;
}

.product-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 32px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: var(--bg-alt);
    border-radius: var(--radius);
    font-size: 14px;
}

.highlight-icon {
    font-size: 18px;
}

.product-specs-table {
    margin-bottom: 32px;
}

.product-specs-table h3 {
    font-size: 18px;
    margin-bottom: 16px;
}

.product-specs-table table {
    width: 100%;
    border-collapse: collapse;
}

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

.product-specs-table td:first-child {
    font-weight: 500;
    color: var(--text-light);
    width: 40%;
}

.product-use-cases h3 {
    font-size: 18px;
    margin-bottom: 16px;
}

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.use-case {
    text-align: center;
    padding: 20px;
    background: var(--bg-alt);
    border-radius: var(--radius);
}

.use-case span {
    font-size: 32px;
    display: block;
    margin-bottom: 8px;
}

.use-case p {
    font-size: 13px;
    color: var(--text-light);
}

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

/* Detail Images Section */
.product-detail-images {
    background: var(--bg-alt);
    padding: 60px 0;
}

.product-detail-images h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 28px;
}

.detail-image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.detail-image-grid img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* Other Products */
.other-products {
    padding: 80px 0;
}

.other-products h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 28px;
}

.other-products .products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

/* Regulatory Status */
.regulatory-status {
    background: var(--bg-alt);
    padding: 80px 0;
}

.regulatory-status h2 {
    text-align: center;
    margin-bottom: 8px;
    font-size: 28px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 40px;
}

.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.status-card {
    background: var(--bg);
    padding: 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
}

.status-flag {
    font-size: 36px;
    margin-bottom: 12px;
}

.status-card h3 {
    font-size: 16px;
    margin-bottom: 12px;
}

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
}

.status-badge.in-progress {
    background: #FEF3C7;
    color: #92400E;
}

.status-badge.planned {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.status-badge.approved {
    background: #D1FAE5;
    color: #065F46;
}

.status-card p {
    font-size: 13px;
    color: var(--text-light);
}

/* Technology Page */
.tech-hero {
    background: var(--bg-dark);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.tech-hero h1 {
    font-size: 42px;
    margin-bottom: 16px;
}

.tech-hero p {
    font-size: 18px;
    color: var(--text-lighter);
    max-width: 700px;
    margin: 0 auto;
}

.tech-section {
    padding: 80px 0;
}

.tech-section:nth-child(even) {
    background: var(--bg-alt);
}

.tech-section h2 {
    font-size: 32px;
    margin-bottom: 24px;
    text-align: center;
}

.tech-content-block {
    max-width: 800px;
    margin: 0 auto;
}

.tech-content-block p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.mechanism-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.mechanism-card {
    background: var(--bg);
    padding: 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
}

.mechanism-step {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin: 0 auto 16px;
}

.mechanism-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

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

.safety-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 32px;
}

.safety-table th,
.safety-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.safety-table th {
    background: var(--primary-light);
    font-weight: 600;
}

.safety-table td:first-child {
    font-weight: 500;
}

.safety-result {
    color: var(--secondary);
    font-weight: 600;
}

.env-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.env-card {
    background: var(--bg);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.env-card .env-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.env-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

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

/* Certifications Page */
.cert-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.cert-hero h1 {
    font-size: 42px;
    margin-bottom: 16px;
}

.cert-hero p {
    font-size: 18px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.cert-section {
    padding: 60px 0;
}

.cert-section:nth-child(even) {
    background: var(--bg-alt);
}

.cert-section h2 {
    font-size: 28px;
    margin-bottom: 32px;
    text-align: center;
}

/* FDA Highlight Section */
.cert-section-highlight {
    background: linear-gradient(135deg, #DBEAFE 0%, #EFF6FF 100%) !important;
}

.cert-highlight-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 32px;
}

.cert-highlight-badge {
    background: var(--primary);
    color: white;
    padding: 8px 20px;
    border-radius: 24px;
    font-size: 16px;
    font-weight: 600;
}

.cert-highlight-header h2 {
    margin-bottom: 0;
}

.cert-card-primary {
    border-left-color: var(--primary) !important;
    background: white;
}

.cert-status {
    font-weight: 600;
    color: var(--secondary) !important;
    margin-top: 8px;
}

.cert-source {
    font-size: 13px;
    color: var(--text-lighter) !important;
    margin-top: 4px;
}

/* Patent Cards */
.patent-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.patent-card {
    background: var(--bg);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    border-top: 4px solid var(--primary);
}

.patent-card-us {
    border-top-color: #2563EB;
}

.patent-card-cn {
    border-top-color: #DC2626;
}

.patent-card .patent-country-flag {
    font-size: 36px;
    margin-bottom: 12px;
}

.patent-card h3 {
    font-size: 16px;
    margin-bottom: 8px;
}

.patent-card .patent-number {
    font-family: monospace;
    background: var(--bg-alt);
    padding: 8px 16px;
    border-radius: var(--radius);
    display: inline-block;
    margin-top: 8px;
    font-size: 16px;
    font-weight: 600;
}

.patent-date {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 12px;
}

.patent-type {
    font-size: 13px;
    color: var(--text-lighter);
    margin-top: 4px;
}

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

.cert-card {
    background: var(--bg);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary);
}

.cert-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

.cert-card p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.cert-result {
    font-weight: 600;
    color: var(--secondary);
}

/* Distributor Page */
.distributor-hero {
    background: linear-gradient(135deg, var(--accent) 0%, #D97706 100%);
    color: var(--bg-dark);
    padding: 80px 0;
    text-align: center;
}

.distributor-hero h1 {
    font-size: 42px;
    margin-bottom: 16px;
}

.distributor-hero p {
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

.distributor-section {
    padding: 80px 0;
}

.distributor-section:nth-child(even) {
    background: var(--bg-alt);
}

.distributor-section h2 {
    font-size: 28px;
    margin-bottom: 32px;
    text-align: center;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.benefit-card {
    background: var(--bg);
    padding: 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
}

.benefit-card .benefit-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.benefit-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

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

.distributor-form {
    max-width: 700px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 15px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-submit {
    text-align: center;
    margin-top: 32px;
}

/* Contact Page */
.contact-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.contact-hero h1 {
    font-size: 42px;
    margin-bottom: 16px;
}

.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 24px;
    margin-bottom: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.contact-item h3 {
    font-size: 16px;
    margin-bottom: 4px;
}

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

.contact-item a {
    color: var(--primary);
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-form {
    background: var(--bg-alt);
    padding: 40px;
    border-radius: var(--radius-lg);
}

.contact-form h2 {
    font-size: 24px;
    margin-bottom: 24px;
}

/* Responsive */
@media (max-width: 1024px) {
    .product-detail-grid {
        grid-template-columns: 1fr;
    }

    .tech-content-block {
        padding: 0 20px;
    }

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

@media (max-width: 768px) {
    /* Improve readability on phones */
    .page-hero h1 {
        font-size: 34px;
    }

    .page-hero p {
        font-size: 16px;
        line-height: 1.6;
    }

    .thumbnail-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .product-highlights {
        grid-template-columns: 1fr;
    }

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

    .detail-image-grid {
        grid-template-columns: 1fr;
    }

    .other-products .products-grid {
        grid-template-columns: 1fr;
    }

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

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

    .patent-cards {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .product-actions {
        flex-direction: column;
    }
}