/* ============================
   Buy Product Page Styles
   ============================ */

/* Hero / Product Section */
#ai_buy-product .bp-hero {
    padding: 4rem 0 3rem;
    background: white;
}

#ai_buy-product .bp-hero-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

/* Gallery */
#ai_buy-product .bp-gallery {
    position: sticky;
    top: 120px;
}

#ai_buy-product .bp-main-image {
    background: var(--medical-gray);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
}

#ai_buy-product .bp-main-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
    max-height: 500px;
}

#ai_buy-product .bp-badge-top {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.4rem 1rem;
    background: var(--brand-gold);
    color: var(--brand-dark);
    border-radius: 2rem;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

#ai_buy-product .bp-thumbnails {
    display: flex;
    gap: 0.75rem;
}

#ai_buy-product .bp-thumb {
    width: 80px;
    height: 80px;
    border-radius: 0.5rem;
    overflow: hidden;
    border: 2px solid #e2e8f0;
    cursor: pointer;
    background: var(--medical-gray);
    padding: 0.25rem;
    transition: all 0.3s ease;
}

#ai_buy-product .bp-thumb.active {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

#ai_buy-product .bp-thumb:hover {
    border-color: var(--brand-primary);
}

#ai_buy-product .bp-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* Product Info */
#ai_buy-product .bp-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

#ai_buy-product .bp-trust-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

#ai_buy-product .bp-info h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--brand-dark);
    margin: 0;
    line-height: 1.2;
}

#ai_buy-product .bp-tagline {
    font-size: 1.125rem;
    color: var(--brand-neutral);
    margin: -0.5rem 0 0;
}

#ai_buy-product .bp-rating {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

#ai_buy-product .bp-stars {
    display: flex;
    gap: 0.15rem;
    color: #f59e0b;
    font-size: 1.125rem;
}

#ai_buy-product .bp-rating-text {
    font-weight: 600;
    color: var(--brand-dark);
    font-size: 0.95rem;
}

#ai_buy-product .bp-review-count {
    color: var(--brand-neutral);
    font-size: 0.85rem;
}

#ai_buy-product .bp-price-block {
    padding: 1.25rem 1.5rem;
    background: var(--medical-blue-light);
    border-radius: 0.75rem;
    border-left: 4px solid var(--brand-primary);
}

#ai_buy-product .bp-price {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--brand-primary);
}

#ai_buy-product .bp-price-note {
    display: block;
    font-size: 0.875rem;
    color: var(--brand-neutral);
    margin-top: 0.25rem;
}

/* Highlights */
#ai_buy-product .bp-highlights {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

#ai_buy-product .bp-highlight {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--brand-dark);
    line-height: 1.5;
}

#ai_buy-product .bp-highlight i {
    color: var(--brand-accent);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

/* Actions */
#ai_buy-product .bp-actions {
    display: flex;
    gap: 1rem;
}

#ai_buy-product .bp-buy-btn {
    flex: 1;
}

#ai_buy-product .bp-guarantees {
    display: flex;
    gap: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid #e2e8f0;
}

#ai_buy-product .bp-guarantee {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--brand-neutral);
}

#ai_buy-product .bp-guarantee i {
    color: var(--brand-gold);
}

/* Features Section */
#ai_buy-product .bp-features {
    padding: 5rem 0;
    background: var(--medical-gray);
}

#ai_buy-product .bp-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

#ai_buy-product .bp-feature-card {
    padding: 2rem;
    text-align: center;
}

#ai_buy-product .bp-feature-icon {
    width: 3.5rem;
    height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--medical-blue-light);
    color: var(--brand-primary);
    border-radius: 1rem;
    font-size: 1.35rem;
    margin: 0 auto 1rem;
}

#ai_buy-product .bp-feature-card h4 {
    font-size: 1.125rem;
    color: var(--brand-dark);
    margin-bottom: 0.75rem;
}

#ai_buy-product .bp-feature-card p {
    font-size: 0.9rem;
    color: var(--brand-neutral);
    line-height: 1.6;
}

/* Wound Spray Section */
#ai_buy-product .bp-spray {
    padding: 5rem 0;
    background: white;
}

#ai_buy-product .bp-spray-layout {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 4rem;
    align-items: center;
}

#ai_buy-product .bp-spray-image {
    position: relative;
}

#ai_buy-product .bp-spray-image img {
    width: 100%;
    border-radius: 1rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

#ai_buy-product .bp-spray-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: var(--brand-gold-light);
    color: var(--brand-gold-dark);
    border-radius: 2rem;
    font-size: 0.825rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

#ai_buy-product .bp-spray-content h2 {
    font-size: 2.25rem;
    color: var(--brand-dark);
    margin-bottom: 1rem;
}

#ai_buy-product .bp-spray-intro {
    font-size: 1.065rem;
    color: var(--brand-neutral);
    line-height: 1.7;
    margin-bottom: 1.75rem;
}

#ai_buy-product .bp-spray-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

#ai_buy-product .bp-spray-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--brand-dark);
}

#ai_buy-product .bp-spray-feature i {
    color: var(--brand-gold);
    flex-shrink: 0;
}

#ai_buy-product .bp-ifu-card {
    background: var(--medical-blue-light);
    border-radius: 0.75rem;
    padding: 2rem;
    border-left: 4px solid var(--brand-primary);
}

#ai_buy-product .bp-ifu-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

#ai_buy-product .bp-ifu-header i {
    color: var(--brand-primary);
    font-size: 1.25rem;
}

#ai_buy-product .bp-ifu-header h3 {
    font-size: 1.125rem;
    color: var(--brand-dark);
    margin: 0;
}

#ai_buy-product .bp-ifu-card > p {
    font-size: 0.95rem;
    color: var(--brand-dark);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

#ai_buy-product .bp-ifu-note {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.825rem;
    color: var(--brand-neutral);
    line-height: 1.5;
    padding-top: 1rem;
    border-top: 1px solid rgba(37, 99, 235, 0.15);
}

#ai_buy-product .bp-ifu-note i {
    color: var(--brand-primary);
    margin-top: 0.1rem;
    flex-shrink: 0;
}

/* Specs Section */
#ai_buy-product .bp-specs {
    background: white;
}

#ai_buy-product .bp-specs-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: start;
}

#ai_buy-product .bp-specs-text h2 {
    font-size: 2.25rem;
    color: var(--brand-dark);
    margin-bottom: 0.5rem;
}

#ai_buy-product .bp-specs-intro {
    font-size: 1.065rem;
    color: var(--brand-neutral);
    margin-bottom: 2rem;
}

#ai_buy-product .bp-specs-table {
    display: flex;
    flex-direction: column;
}

#ai_buy-product .bp-spec-row {
    display: flex;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid #e2e8f0;
    gap: 1rem;
}

#ai_buy-product .bp-spec-row:last-child {
    border-bottom: none;
}

#ai_buy-product .bp-spec-label {
    font-weight: 600;
    color: var(--brand-dark);
    font-size: 0.95rem;
    white-space: nowrap;
}

#ai_buy-product .bp-spec-value {
    color: var(--brand-neutral);
    font-size: 0.95rem;
    text-align: right;
}

/* Wavelength Card */
#ai_buy-product .bp-wavelength-card {
    background: var(--medical-gray);
    border-radius: 1rem;
    padding: 2.5rem;
    border: 1px solid #e2e8f0;
}

#ai_buy-product .bp-wavelength-card h3 {
    font-size: 1.25rem;
    color: var(--brand-dark);
    margin-bottom: 2rem;
    text-align: center;
}

#ai_buy-product .bp-wl-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

#ai_buy-product .bp-wl-item:last-child {
    margin-bottom: 0;
}

#ai_buy-product .bp-wl-dot {
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

#ai_buy-product .bp-wl-ir .bp-wl-dot {
    background: #7c3aed;
    box-shadow: 0 0 8px rgba(124, 58, 237, 0.4);
}

#ai_buy-product .bp-wl-red .bp-wl-dot {
    background: var(--medical-red);
    box-shadow: 0 0 8px rgba(220, 38, 38, 0.4);
}

#ai_buy-product .bp-wl-blue .bp-wl-dot {
    background: var(--brand-primary);
    box-shadow: 0 0 8px rgba(37, 99, 235, 0.4);
}

#ai_buy-product .bp-wl-info strong {
    display: block;
    font-size: 0.95rem;
    color: var(--brand-dark);
    margin-bottom: 0.35rem;
}

#ai_buy-product .bp-wl-info p {
    font-size: 0.85rem;
    color: var(--brand-neutral);
    line-height: 1.5;
    margin: 0;
}

/* Use Cases */
#ai_buy-product .bp-uses {
    padding: 5rem 0;
    background: var(--medical-gray);
}

#ai_buy-product .bp-uses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

#ai_buy-product .bp-use-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

#ai_buy-product .bp-use-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

#ai_buy-product .bp-use-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--medical-blue-light);
    color: var(--brand-primary);
    border-radius: 0.75rem;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

#ai_buy-product .bp-use-card h4 {
    font-size: 1.125rem;
    color: var(--brand-dark);
    margin-bottom: 0.5rem;
}

#ai_buy-product .bp-use-card p {
    font-size: 0.9rem;
    color: var(--brand-neutral);
    line-height: 1.6;
    flex: 1;
}

#ai_buy-product .bp-use-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--brand-primary);
    margin-top: 1rem;
    transition: gap 0.3s ease;
}

#ai_buy-product .bp-use-card:hover .bp-use-link {
    gap: 0.65rem;
}

/* Evidence Section */
#ai_buy-product .bp-evidence {
    background: linear-gradient(135deg, var(--brand-primary) 0%, #1d4ed8 100%);
    color: white;
}

#ai_buy-product .bp-evidence-layout {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 4rem;
    align-items: center;
}

#ai_buy-product .bp-evidence-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

#ai_buy-product .bp-ev-stat {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
}

#ai_buy-product .bp-ev-num {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    line-height: 1;
}

#ai_buy-product .bp-ev-label {
    display: block;
    font-size: 0.825rem;
    color: rgba(255, 255, 255, 0.75);
    margin-top: 0.5rem;
}

#ai_buy-product .bp-evidence-text h2 {
    font-size: 2rem;
    color: white;
    margin-bottom: 1rem;
}

#ai_buy-product .bp-evidence-text > p {
    font-size: 1rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
}

#ai_buy-product .bp-evidence-quote {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    border-left: 4px solid rgba(255, 255, 255, 0.4);
    margin-bottom: 2rem;
}

#ai_buy-product .bp-evidence-quote blockquote {
    font-size: 0.95rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
    margin: 0;
}

#ai_buy-product .bp-evidence-quote cite {
    display: block;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.65);
    margin-top: 0.75rem;
    font-style: normal;
}

#ai_buy-product .bp-evidence .btn-primary {
    background: white;
    color: var(--brand-primary);
}

#ai_buy-product .bp-evidence .btn-primary:hover {
    background: var(--medical-blue-light);
}

/* How To Section */
#ai_buy-product .bp-howto {
    padding: 5rem 0;
    background: white;
}

#ai_buy-product .bp-howto-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

#ai_buy-product .bp-howto-step {
    background: var(--medical-gray);
    border-radius: 1rem;
    padding: 2rem 1.5rem;
    text-align: center;
    width: 200px;
    position: relative;
}

#ai_buy-product .bp-howto-num {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-primary);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.875rem;
}

#ai_buy-product .bp-howto-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--medical-blue-light);
    color: var(--brand-primary);
    border-radius: 0.75rem;
    font-size: 1.25rem;
    margin: 0.5rem auto 1rem;
}

#ai_buy-product .bp-howto-step h4 {
    font-size: 1rem;
    color: var(--brand-dark);
    margin-bottom: 0.5rem;
}

#ai_buy-product .bp-howto-step p {
    font-size: 0.825rem;
    color: var(--brand-neutral);
    line-height: 1.5;
}

#ai_buy-product .bp-howto-connector {
    display: flex;
    align-items: center;
    color: var(--brand-neutral);
    font-size: 1.25rem;
    padding-top: 3rem;
}

/* FAQ */
#ai_buy-product .bp-faq {
    background: var(--medical-gray);
}

#ai_buy-product .bp-faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

#ai_buy-product .bp-faq-item {
    padding: 1.75rem;
}

#ai_buy-product .bp-faq-item h4 {
    font-size: 1.065rem;
    color: var(--brand-dark);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

#ai_buy-product .bp-faq-item h4 i {
    color: var(--brand-primary);
    margin-top: 0.15rem;
    flex-shrink: 0;
}

#ai_buy-product .bp-faq-item p {
    font-size: 0.95rem;
    color: var(--brand-neutral);
    line-height: 1.7;
    padding-left: 2rem;
}

#ai_buy-product .bp-faq-more {
    text-align: center;
    margin-top: 2rem;
}

/* Final CTA */
#ai_buy-product .bp-final-cta {
    padding: 5rem 0;
    background: white;
}

#ai_buy-product .bp-cta-card {
    background: var(--medical-gray);
    padding: 4rem 3rem;
    border-radius: 1rem;
    text-align: center;
    border: 1px solid #e2e8f0;
}

#ai_buy-product .bp-cta-card h2 {
    font-size: 2.25rem;
    color: var(--brand-dark);
    margin-bottom: 1rem;
}

#ai_buy-product .bp-cta-card > p {
    font-size: 1.125rem;
    color: var(--brand-neutral);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

#ai_buy-product .bp-cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

#ai_buy-product .bp-cta-trust {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

#ai_buy-product .bp-cta-trust span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--brand-neutral);
    font-size: 0.85rem;
}

#ai_buy-product .bp-cta-trust i {
    color: var(--brand-gold);
}

/* Shared */
#ai_buy-product .section-header {
    text-align: center;
    margin-bottom: 3rem;
}

#ai_buy-product .section-header h2 {
    font-size: 2.25rem;
    color: var(--brand-dark);
    margin-bottom: 0.75rem;
}

#ai_buy-product .section-subtitle {
    font-size: 1.065rem;
    color: var(--brand-neutral);
}

#ai_buy-product .btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* ============================
   Responsive
   ============================ */
@media (max-width: 968px) {
    #ai_buy-product .bp-hero-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    #ai_buy-product .bp-gallery {
        position: static;
    }

    #ai_buy-product .bp-spray-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    #ai_buy-product .bp-specs-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    #ai_buy-product .bp-evidence-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    #ai_buy-product .bp-evidence-stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    #ai_buy-product .bp-spray-content h2 {
        font-size: 1.75rem;
    }

    #ai_buy-product .bp-info h1 {
        font-size: 2rem;
    }

    #ai_buy-product .bp-actions {
        flex-direction: column;
    }

    #ai_buy-product .bp-guarantees {
        flex-direction: column;
        gap: 0.75rem;
    }

    #ai_buy-product .bp-evidence-stats {
        grid-template-columns: 1fr 1fr;
    }

    #ai_buy-product .bp-howto-steps {
        flex-direction: column;
        align-items: center;
    }

    #ai_buy-product .bp-howto-step {
        width: 100%;
        max-width: 320px;
    }

    #ai_buy-product .bp-howto-connector {
        transform: rotate(90deg);
        padding-top: 0;
    }

    #ai_buy-product .bp-cta-buttons {
        flex-direction: column;
    }

    #ai_buy-product .bp-cta-card {
        padding: 2.5rem 1.5rem;
    }

    #ai_buy-product .section-header h2 {
        font-size: 1.75rem;
    }

    #ai_buy-product .bp-faq-item p {
        padding-left: 0;
    }

    #ai_buy-product .bp-spec-row {
        flex-direction: column;
        gap: 0.25rem;
    }

    #ai_buy-product .bp-spec-value {
        text-align: left;
    }

    #ai_buy-product .bp-thumbnails {
        justify-content: center;
    }
}