.product-page-refined .product-hero {
    max-width: 1240px;
    padding-block: 2rem 4rem;
}

.product-page-refined .hero-container {
    grid-template-columns: minmax(0, 1.25fr) minmax(360px, 0.9fr);
    gap: 3.5rem;
    align-items: start;
}

.product-page-refined .product-title { text-wrap: balance; }
.product-page-refined .tagline { text-wrap: pretty; }

.product-page-refined .restriction-mechanism-entry {
    margin: 1.75rem 0 0;
    border-top: 2px solid rgba(236, 0, 140, 0.5);
    background: linear-gradient(90deg, rgba(236, 0, 140, 0.04), transparent 72%);
}

.product-page-refined .restriction-mechanism-trigger {
    min-height: 4.6rem;
    padding: 0.95rem 0.8rem;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    color: var(--brand-dark);
}

.product-page-refined .rm-trigger-copy {
    display: grid;
    gap: 0.18rem;
}

.product-page-refined .rm-trigger-copy strong {
    color: rgba(207, 0, 123, 0.82);
    font-size: 1rem;
    line-height: 1.2;
}

.product-page-refined .rm-trigger-copy small {
    color: var(--brand-dark);
    font-size: 0.76rem;
    font-weight: 500;
    line-height: 1.35;
}

.product-page-refined .restriction-mechanism-trigger svg {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0.45rem;
    border-radius: 50%;
    background: rgba(236, 0, 140, 0.05);
    color: rgba(207, 0, 123, 0.76);
    transition-property: background-color, color, scale;
    transition-duration: 150ms;
}

.product-page-refined .restriction-mechanism-trigger:hover,
.product-page-refined .restriction-mechanism-trigger:focus-visible {
    border-color: transparent;
    background: transparent;
    box-shadow: none;
    color: var(--magenta);
}

.product-page-refined .restriction-mechanism-trigger:hover svg,
.product-page-refined .restriction-mechanism-trigger:focus-visible svg {
    background: var(--magenta);
    color: #fff;
}

.product-page-refined .protein-model-box {
    height: 300px;
    border-color: rgba(21, 25, 43, 0.1);
    box-shadow: none;
}

.product-page-refined .model-img {
    max-width: 88%;
    max-height: 88%;
    object-fit: contain;
}

.product-page-refined .price-selection-card {
    padding: 1.5rem;
    border-color: rgba(21, 25, 43, 0.12);
    box-shadow: 0 0.8rem 2.2rem rgba(21, 25, 43, 0.08);
}

.product-page-refined .technical-docs-menu {
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    gap: 0.75rem;
    margin-top: 2.25rem;
}

.product-page-refined .docs-menu-title {
    padding: 0;
    border: 0;
    color: rgba(21, 25, 43, 0.62);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.product-page-refined .docs-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
}

.product-page-refined .docs-col-left,
.product-page-refined .docs-col-right {
    min-width: 0;
    gap: 0;
}

.product-page-refined .docs-hint { display: none; }

.product-page-refined #p-read-online,
.product-page-refined #p-download-manual {
    min-height: 3.6rem;
    padding: 0.85rem 1rem;
    border: 1px solid rgba(21, 25, 43, 0.15);
    border-radius: 0.75rem;
    background: #fff;
    box-shadow: 0 0.3rem 0.9rem rgba(21, 25, 43, 0.045);
    color: var(--brand-dark) !important;
    font-size: 0.76rem;
    font-weight: 800;
    transition-property: background-color, border-color, box-shadow, color, scale;
    transition-duration: 150ms;
}

.product-page-refined #p-read-online {
    border-color: rgba(236, 0, 140, 0.34);
    background: rgba(236, 0, 140, 0.045);
    color: rgba(207, 0, 123, 0.96) !important;
}

.product-page-refined #p-read-online:hover,
.product-page-refined #p-read-online:focus-visible,
.product-page-refined #p-download-manual:hover,
.product-page-refined #p-download-manual:focus-visible {
    border-color: var(--magenta);
    background: rgba(236, 0, 140, 0.075);
    box-shadow: 0 0.45rem 1.1rem rgba(236, 0, 140, 0.09);
    color: var(--magenta) !important;
    outline: none;
}

.product-page-refined #p-read-online:active,
.product-page-refined #p-download-manual:active { scale: 0.96; }

.product-page-refined .integrated-upsell {
    margin-top: 1.75rem;
    padding-top: 0;
    border: 0;
}

.product-page-refined .upsell-mini-title {
    margin-bottom: 0.35rem;
    color: var(--text-muted);
    font-size: 0.7rem;
}

.product-page-refined .upsell-inline-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0 1.5rem;
}

.product-page-refined .upsell-card {
    min-height: 5.6rem;
    padding: 0.9rem 0;
    border: 0;
    border-top: 1px solid rgba(21, 25, 43, 0.14);
    border-radius: 0;
    background: transparent;
    transition-property: border-color, color;
    transition-duration: 150ms;
}

.product-page-refined .upsell-card:hover,
.product-page-refined .upsell-card:focus-visible {
    border-color: var(--magenta);
    box-shadow: none;
    outline: none;
}

.product-page-refined .upsell-card-name { margin-bottom: 0.35rem; }

.product-page-refined .upsell-card:hover .upsell-card-name,
.product-page-refined .upsell-card:focus-visible .upsell-card-name { color: var(--magenta); }

.product-page-refined .product-feedback-banner {
    padding: 1rem 0;
    border: 0;
    border-top: 1px solid rgba(21, 25, 43, 0.14);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    margin-top: 1rem;
}

.product-page-refined .product-feedback-banner:hover {
    border-color: rgba(21, 25, 43, 0.14);
    box-shadow: none;
}

@media (max-width: 768px) {
    .product-page-refined .product-hero { padding-block: 1.25rem 3rem; }
    .product-page-refined .hero-container { gap: 1.25rem; }
    .product-page-refined .protein-model-box { height: 230px; }
    .product-page-refined .restriction-mechanism-entry { order: 7; width: 100%; margin-top: 0; }
    .product-page-refined .technical-docs-menu { order: 7; width: 100%; }
    .product-page-refined .integrated-upsell { order: 8; width: 100%; }
    .product-page-refined .product-feedback-banner { order: 9; width: 100%; }
}

@media (max-width: 520px) {
    .product-page-refined .docs-columns,
    .product-page-refined .upsell-inline-grid { grid-template-columns: 1fr; }
}