.vbr-study-page .comparison-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
    padding: 28px 46px 36px;
}
.vbr-study-page .card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 24px;
}
.vbr-study-page .comparison-hero {
    background: linear-gradient(135deg, #ffffff 0%, var(--brand-blue-soft) 58%, var(--brand-green-soft) 100%);
    border-color: #d7eaf5;
}
.vbr-study-page .eyebrow {
    display: inline-flex;
    color: var(--brand-blue-dark);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.vbr-study-page h2 { margin: 0 0 12px; font-size: 28px; line-height: 1.2; }
.vbr-study-page h3 { margin: 0 0 8px; font-size: 17px; }
.vbr-study-page p { color: var(--muted); line-height: 1.65; }
.vbr-study-page code {
    background: #f1f3f4;
    border: 1px solid #e0e3e7;
    border-radius: 6px;
    padding: 1px 5px;
    font-family: Consolas, Monaco, monospace;
    color: #1f2937;
}
.vbr-study-page .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.vbr-study-page .definition-list { display: grid; gap: 14px; }
.vbr-study-page .definition-list div {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
}
.vbr-study-page .definition-list div:last-child { border-bottom: 0; }
.vbr-study-page .definition-list span { color: var(--muted); line-height: 1.55; }
.vbr-study-page .comparison-callout { border-left: 6px solid var(--brand-green); }
.vbr-study-page .table-scroll { overflow-x: auto; margin-top: 16px; }
.vbr-study-page .comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
    font-size: 14px;
}
.vbr-study-page .comparison-table th,
.vbr-study-page .comparison-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
    text-align: right;
    white-space: nowrap;
}
.vbr-study-page .comparison-table th:first-child,
.vbr-study-page .comparison-table td:first-child { text-align: left; }
.vbr-study-page .comparison-table thead th {
    background: #f6f8fa;
    color: #374151;
    font-weight: 700;
}
.vbr-study-page .comparison-table tbody tr:hover { background: #fafafa; }
.vbr-study-page .ok-cell { color: #116329; font-weight: 700; }
.vbr-study-page .warning-cell { color: #9a3412; font-weight: 700; }
.vbr-study-page .insight-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 14px;
}
.vbr-study-page .insight-grid article {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 18px;
    background: #fff;
}
.vbr-study-page .card-title-row p { margin-top: 0; }
@media (max-width: 760px) {
    .vbr-study-page .comparison-grid { padding: 20px; }
    .vbr-study-page h2 { font-size: 23px; }
    .vbr-study-page .definition-list div { grid-template-columns: 1fr; gap: 6px; }
    .vbr-study-page .insight-grid { grid-template-columns: 1fr; }
}


/* Align study page hero cards with the shared site hero treatment. */
.vbr-study-page .comparison-grid {
    max-width: 1100px;
    margin: 38px auto;
    padding: 0 18px;
    gap: 16px;
}
.vbr-study-page .hero-card {
    min-height: 360px;
    padding: 44px;
    background:
        radial-gradient(circle at 92% 18%, rgba(168,201,87,.32) 0 90px, transparent 92px),
        radial-gradient(circle at 82% 48%, rgba(0,119,184,.12) 0 150px, transparent 152px),
        #fff;
    border-radius: 12px;
    border-color: var(--line);
}
.vbr-study-page .hero-card .eyebrow {
    color: var(--brand-blue-dark);
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 0;
}
.vbr-study-page .hero-card h2 {
    max-width: 760px;
    margin: 18px 0 18px;
    font-size: clamp(34px, 5vw, 58px);
    line-height: 1.02;
    letter-spacing: -.04em;
    font-weight: 700;
}
.vbr-study-page .hero-card p {
    max-width: 720px;
    margin: 0;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.6;
}
.vbr-study-page .hero-card .hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 28px;
}
@media (max-width: 760px) {
    .vbr-study-page .comparison-grid {
        margin: 24px auto;
        padding: 0 14px;
    }
    .vbr-study-page .hero-card {
        padding: 30px 24px;
    }
    .vbr-study-page .hero-card h2 {
        font-size: clamp(32px, 12vw, 48px);
    }
}


/* Study chart figures added for performance pages. */
.vbr-study-page .study-charts {
    display: grid;
    gap: 18px;
}
.vbr-study-page .study-figure {
    margin: 0;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
}
.vbr-study-page .study-figure img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid #e6edf3;
    border-radius: 10px;
    background: #fff;
}
.vbr-study-page .study-figure figcaption {
    margin-top: 10px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.55;
}
.vbr-study-page .chart-note {
    margin: 0;
    padding: 12px 14px;
    border: 1px solid #d7eaf5;
    border-radius: 12px;
    background: #f6fbff;
    color: var(--muted);
    font-size: 14px;
}


/* p33: VBR Curve Study graph polish and anchor offset. */
.vbr-study-page #curve-graph,
.vbr-study-page #curve-shift,
.vbr-study-page #curve-summary {
    scroll-margin-top: 96px;
}
.vbr-study-page .study-figure {
    overflow: visible;
}
.vbr-study-page .study-figure img {
    max-height: none;
}
.vbr-study-page .results-card .chart-note {
    margin-top: 12px;
}
.vbr-study-page .results-card .table-scroll {
    margin-top: 16px;
}


/* p34: prevent insight cards from stretching and leaving large blank areas. */
.vbr-study-page .insight-grid {
    align-items: start;
}
.vbr-study-page .insight-grid article {
    align-self: start;
}
.vbr-study-page .comparison-grid > .card {
    overflow: hidden;
}
.vbr-study-page .study-figure {
    overflow: hidden;
}


/* p35: stronger cache-busted VBR Curve Study insight-card polish. */
.vbr-study-page .insight-grid {
    align-items: flex-start !important;
}
.vbr-study-page .insight-grid > article {
    align-self: flex-start !important;
    height: auto !important;
    min-height: 0 !important;
}


/* p36: VBR Curve Study compact insight card layout.
   This targets the markup directly, so it does not depend on overriding the
   generic insight-grid layout used by other study pages. */
.vbr-study-page .compact-insight-grid {
    display: block !important;
    columns: 2 320px;
    column-gap: 16px;
}
.vbr-study-page .compact-insight-grid > article {
    display: inline-block;
    width: 100%;
    margin: 0 0 16px;
    break-inside: avoid;
    page-break-inside: avoid;
    height: auto !important;
    min-height: 0 !important;
    vertical-align: top;
}
@supports not (columns: 2 320px) {
    .vbr-study-page .compact-insight-grid {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: start !important;
    }
    .vbr-study-page .compact-insight-grid > article {
        display: block;
        align-self: start !important;
    }
}
@media (max-width: 760px) {
    .vbr-study-page .compact-insight-grid {
        columns: 1;
        display: block !important;
    }
}


/* p37: remove the extra boxed-note feel under the centered summary chart. */
.vbr-study-page #curve-summary .study-figure {
    margin-bottom: 0;
}
.vbr-study-page #curve-summary .study-figure figcaption {
    padding-bottom: 0;
}