/* Product page overrides */
        .page-nav {
            background: white;
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .page-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .nav-logo {
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--primary);
            text-decoration: none;
        }
        .nav-links {
            display: flex;
            gap: 28px;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            transition: color 0.2s;
        }
        .nav-links a:hover { color: var(--primary); }
        .nav-cta { font-size: 0.875rem !important; padding: 10px 20px !important; }

        /* Product hero */
        .product-hero {
            padding: 80px 0 60px;
            text-align: center;
            background: radial-gradient(circle at top center, rgba(99,102,241,0.06), transparent 70%);
        }
        .product-breadcrumb {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }
        .product-breadcrumb a { color: var(--primary); text-decoration: none; }
        .product-hero h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            max-width: 800px;
            margin: 0 auto 1.25rem;
            color: #0f172a;
        }
        .product-hero .subhead {
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto 3rem;
        }

        /* Signal card in hero */
        .hero-signal-card {
            background: white;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            max-width: 560px;
            margin: 0 auto;
            box-shadow: var(--shadow-lg);
            text-align: left;
        }
        .signal-card-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border);
        }
        .signal-card-header h2 {
            font-size: 1.2rem;
            margin-bottom: 4px;
            text-align: left;
        }
        .signal-card-header p {
            font-size: 0.85rem;
            margin: 0;
        }
        .signal-rows {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-bottom: 20px;
        }
        .signal-row {
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }
        .signal-row i {
            flex-shrink: 0;
            margin-top: 3px;
            color: var(--primary);
            width: 16px;
        }
        .signal-row-content strong {
            font-size: 0.85rem;
            display: block;
            color: var(--text-main);
        }
        .signal-row-content span {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .signal-watch-out {
            background: #fff7ed;
            border-left: 3px solid var(--warning);
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            margin-bottom: 20px;
            font-size: 0.85rem;
            color: #9a3412;
        }
        .signal-card-actions {
            display: flex;
            gap: 12px;
        }
        .signal-card-actions .cta-button {
            flex: 1;
            font-size: 0.9rem;
            padding: 12px 16px;
        }

        /* One-column content layout */
        .content-col {
            max-width: 860px;
            margin: 0 auto;
        }
        .content-section {
            padding: 80px 0;
        }
        .content-section h2 {
            text-align: left;
            margin-bottom: 2rem;
            font-size: clamp(1.5rem, 3vw, 2rem);
        }
        .section-intro {
            font-size: 1rem;
            margin-bottom: 2rem;
            max-width: none;
        }

        /* Verdict section */
        .verdict-cards {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .verdict-card {
            display: flex;
            gap: 20px;
            background: white;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            align-items: flex-start;
        }
        .verdict-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.1rem;
        }
        .verdict-icon.buy { background: #dcfce7; color: #166534; }
        .verdict-icon.wait { background: #fef9c3; color: #854d0e; }
        .verdict-icon.reconsider { background: #fee2e2; color: #991b1b; }
        .verdict-card h3 { font-size: 1rem; margin-bottom: 6px; }
        .verdict-card p { margin: 0; font-size: 0.9rem; }

        /* Why track - reason cards */
        .reason-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .reason-card {
            background: white;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
        }
        .reason-card i {
            color: var(--primary);
            margin-bottom: 12px;
            display: block;
        }
        .reason-card h3 { font-size: 1rem; margin-bottom: 8px; }
        .reason-card p { font-size: 0.875rem; margin: 0; }

        /* Evidence map */
        .evidence-cards {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .evidence-card {
            background: white;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .evidence-card-header {
            background: #f8fafc;
            padding: 16px 24px;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .evidence-card-header i { color: var(--primary); }
        .evidence-card-header h3 { font-size: 1rem; margin: 0; }
        .evidence-card-body {
            padding: 20px 24px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px 24px;
        }
        .evidence-item label {
            display: block;
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 4px;
        }
        .evidence-item p {
            font-size: 0.875rem;
            margin: 0;
            color: var(--text-muted);
        }
        .evidence-item.full-width { grid-column: 1 / -1; }
        .evidence-sources {
            padding: 12px 24px;
            background: #f8fafc;
            border-top: 1px solid var(--border);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .source-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
        }
        .source-link:hover { text-decoration: underline; }

        /* Video checklist */
        .checklist {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .checklist li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            font-size: 0.95rem;
            color: var(--text-main);
        }
        .checklist li i {
            color: var(--primary);
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* Comparison table */
        .comparison-cards {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .comparison-card {
            display: grid;
            grid-template-columns: 180px 1fr 1fr;
            gap: 16px;
            background: white;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            align-items: start;
        }
        .comparison-card.featured {
            border-color: rgba(99,102,241,0.4);
            background: #fafafe;
        }
        .comparison-card strong { font-size: 0.95rem; color: var(--text-main); }
        .comparison-card span { font-size: 0.85rem; color: var(--text-muted); }
        .comp-label {
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--text-muted);
            display: block;
            margin-bottom: 4px;
        }

        /* Track CTA */
        .track-cta {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            color: white;
        }
        .track-cta h2 { color: white; font-size: clamp(1.5rem, 3vw, 2rem); text-align: center; margin-bottom: 1rem; }
        .track-cta p { color: rgba(255,255,255,0.85); margin-bottom: 0; }
        .track-cta .email-form-wrapper { margin-top: 32px; max-width: 460px; margin-left: auto; margin-right: auto; }
        .track-cta .privacy-note { color: rgba(255,255,255,0.6); font-size: 0.8rem; margin-top: 12px; margin-bottom: 0; }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            background: white;
        }
        .faq-item:last-child { border-bottom: none; }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-main);
            user-select: none;
            gap: 16px;
        }
        .faq-question:hover { background: #f8fafc; }
        .faq-question i {
            flex-shrink: 0;
            color: var(--text-muted);
            transition: transform 0.2s;
        }
        .faq-item.open .faq-question { background: #f8fafc; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer { display: block; }

        /* Final product CTA */
        .final-product-cta {
            padding: 80px 0;
            text-align: center;
        }
        .final-product-cta h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            margin-bottom: 1rem;
        }

        /* Page footer */
        .affiliate-note {
            background: #f8fafc;
            border-top: 1px solid var(--border);
            padding: 20px 0;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Product image in signal card */
        .signal-card-img {
            margin: -32px -32px 20px;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            background: #f8fafc;
            border-bottom: 1px solid var(--border);
            padding: 20px 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            height: 180px;
            overflow: hidden;
        }
        .signal-card-img img {
            max-height: 140px;
            max-width: 100%;
            object-fit: contain;
            display: block;
            mix-blend-mode: multiply;
        }
        .amazon-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .reason-grid { grid-template-columns: 1fr; }
            .comparison-card { grid-template-columns: 1fr; gap: 10px; }
            .evidence-card-body { grid-template-columns: 1fr; }
            .evidence-item.full-width { grid-column: 1; }
            .track-cta { padding: 40px 24px; }
            .signal-card-actions { flex-direction: column; }
        }