/* ============================================
   Assay Pages — Additional Styles
   ============================================ */

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--gray-300);
    padding-bottom: var(--space-xl);
}

.breadcrumb a {
    color: var(--gray-300);
    transition: color 0.2s;
}

.breadcrumb a:hover {
    color: var(--white);
}

.breadcrumb-sep {
    color: var(--gray-400);
    font-size: 0.7rem;
}

/* ============================================
   Assay Hero
   ============================================ */

.assay-page-hero {
    background: var(--base-blue);
    padding: calc(80px + var(--space-3xl)) 0 var(--space-4xl);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.assay-page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.06) 0%, rgba(42, 157, 143, 0.06) 100%);
    pointer-events: none;
}

.assay-page-hero .container {
    position: relative;
}

.assay-type-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--base-teal);
    margin-bottom: var(--space-md);
    display: block;
}

.assay-page-title {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    letter-spacing: -0.02em;
    color: var(--white);
    margin-bottom: var(--space-lg);
    max-width: 700px;
}

.assay-page-subtitle {
    font-size: 1.15rem;
    color: var(--gray-200);
    max-width: 600px;
    margin-bottom: var(--space-2xl);
    line-height: 1.65;
}

.assay-hero-stats {
    display: flex;
    gap: var(--space-2xl);
    flex-wrap: wrap;
    align-items: center;
}

.assay-hero-stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.assay-hero-stat .stat-value {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--white);
}

.assay-hero-stat .stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-300);
}

.hero-stat-divider {
    width: 1px;
    height: 32px;
    background: rgba(255, 255, 255, 0.15);
}

/* ============================================
   Specs Section
   ============================================ */

.specs-section {
    padding: var(--space-4xl) 0;
    background: var(--off-white);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.spec-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: 12px;
    padding: var(--space-xl);
}

.spec-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-300);
    margin-bottom: var(--space-sm);
}

.spec-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--black);
    margin-bottom: var(--space-xs);
}

.spec-detail {
    font-size: 0.85rem;
    color: var(--gray-400);
    line-height: 1.5;
}

/* ============================================
   AI Output Section
   ============================================ */

.ai-output-section {
    padding: var(--space-4xl) 0;
}

.ai-output-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.ai-output-content h3 {
    font-size: 1.75rem;
    margin-bottom: var(--space-lg);
}

.ai-output-content p {
    color: var(--gray-400);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.ai-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.ai-bullets li {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
    font-size: 0.95rem;
    color: var(--gray-500);
}

.ai-bullet-dot {
    width: 6px;
    height: 6px;
    background: var(--base-teal);
    border-radius: 50%;
    margin-top: 8px;
    flex-shrink: 0;
}

/* ============================================
   Use Cases Section
   ============================================ */

.use-cases-section {
    padding: var(--space-4xl) 0;
    background: var(--off-white);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.use-case-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: 12px;
    padding: var(--space-xl);
    transition: all 0.3s var(--ease-out);
}

.use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.use-case-card h4 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.use-case-card p {
    font-size: 0.9rem;
    color: var(--gray-400);
    line-height: 1.55;
}

/* ============================================
   Related Assays
   ============================================ */

.related-section {
    padding: var(--space-4xl) 0;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.related-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: var(--space-xl);
    text-decoration: none;
    transition: all 0.3s var(--ease-out);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.related-card:hover {
    border-color: var(--base-teal);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.related-card-name {
    font-weight: 600;
    color: var(--black);
    font-size: 0.95rem;
}

.related-card-turnaround {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--base-teal);
}

.related-card-desc {
    font-size: 0.85rem;
    color: var(--gray-400);
    margin-top: var(--space-xs);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .specs-grid {
        grid-template-columns: 1fr;
    }

    .ai-output-grid {
        grid-template-columns: 1fr;
    }

    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .assay-hero-stats {
        gap: var(--space-lg);
    }

    .hero-stat-divider {
        display: none;
    }
}

@media (max-width: 480px) {
    .related-grid {
        grid-template-columns: 1fr;
    }
}