/* Shared dimensional drawing header — ASME reference layout. */
:is(.b165-drawing-section, .b1636-drawing-section, .b1647-drawing-section, .api6a-drawing-section, .e1-drawing-section) {
    width: 100%;
    padding: 12px 0 14px !important;
    background: #0B1F33;
}

:is(.b165-drawing-container, .b1636-drawing-container, .b1647-drawing-container, .api6a-drawing-container, .e1-drawing-container) {
    width: min(92%, 1280px) !important;
    max-width: 1280px !important;
    margin: 0 auto;
    padding: 0 !important;
}

:is(.b165-drawing-section, .b1636-drawing-section, .b1647-drawing-section, .api6a-drawing-section, .e1-drawing-section) .dimensions-breadcrumb {
    margin: 0 !important;
    padding: 0 !important;
}

:is(.b165-drawing-layout, .b1636-drawing-layout, .b1647-drawing-layout, .api6a-drawing-layout, .e1-drawing-layout) {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    align-items: center;
    gap: clamp(24px, 3vw, 48px);
    min-height: 300px;
    padding: 4px 0 0;
}

:is(.b165-drawing-title, .b1636-drawing-title, .b1647-drawing-title, .api6a-drawing-title, .e1-drawing-title) {
    min-width: 0;
}

:is(.b165-drawing-title, .b1636-drawing-title, .b1647-drawing-title, .api6a-drawing-title, .e1-drawing-title) h1 {
    margin: 0;
    color: #F8FAFC;
    font-size: clamp(30px, 3vw, 42px);
    font-weight: 700;
    line-height: 1.18;
    white-space: normal;
}

:is(.b165-technical-drawing, .b1636-technical-drawing, .b1647-technical-drawing, .api6a-technical-drawing, .e1-technical-drawing) {
    width: 100% !important;
    height: 280px;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 !important;
}

:is(.b165-technical-drawing, .b1636-technical-drawing, .b1647-technical-drawing, .api6a-technical-drawing, .e1-technical-drawing) img {
    display: block;
    width: auto !important;
    height: auto !important;
    max-width: 100% !important;
    max-height: 100% !important;
    margin: 0 !important;
    object-fit: contain;
}

@media (max-width: 768px) {
    :is(.b165-drawing-section, .b1636-drawing-section, .b1647-drawing-section, .api6a-drawing-section, .e1-drawing-section) {
        padding: 14px 0 16px !important;
    }

    :is(.b165-drawing-layout, .b1636-drawing-layout, .b1647-drawing-layout, .api6a-drawing-layout, .e1-drawing-layout) {
        grid-template-columns: 1fr;
        gap: 20px;
        min-height: 0;
        padding-top: 8px;
    }

    :is(.b165-technical-drawing, .b1636-technical-drawing, .b1647-technical-drawing, .api6a-technical-drawing, .e1-technical-drawing) {
        height: min(68vw, 360px);
    }
}

@media (max-width: 480px) {
    :is(.b165-drawing-container, .b1636-drawing-container, .b1647-drawing-container, .api6a-drawing-container, .e1-drawing-container) {
        width: min(94%, 1280px) !important;
    }

    :is(.b165-drawing-title, .b1636-drawing-title, .b1647-drawing-title, .api6a-drawing-title, .e1-drawing-title) h1 {
        font-size: 26px;
    }

    :is(.b165-technical-drawing, .b1636-technical-drawing, .b1647-technical-drawing, .api6a-technical-drawing, .e1-technical-drawing) {
        height: min(72vw, 300px);
    }
}