:root {
    --bv-blue: #0b4f88;
    --bv-blue-deep: #07355f;
    --bv-sky: #eaf4fb;
    --bv-ink: #132238;
    --bv-muted: #5d6b7c;
    --bv-line: #dfe7ee;
    --bv-white: #ffffff;
    --bv-radius: 22px;
    --bv-shadow: 0 18px 50px rgba(14, 43, 73, 0.10);
}

body.bv-insight-page { background: #fff; }
.bv-insight-shell { color: var(--bv-ink); }
.bv-container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }

.bv-hero {
    position: relative;
    min-height: 560px;
    display: flex;
    align-items: flex-end;
    background: linear-gradient(135deg, var(--bv-blue-deep), var(--bv-blue));
    isolation: isolate;
    overflow: hidden;
}
.bv-hero.has-cover::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: var(--bv-cover);
    background-size: cover;
    background-position: center;
    z-index: -3;
    transform: scale(1.015);
}
.bv-hero-overlay {
    position: absolute;
    inset: 0;
    z-index: -2;
    background: linear-gradient(90deg, rgba(3, 26, 48, .92) 0%, rgba(3, 32, 59, .76) 48%, rgba(3, 32, 59, .22) 100%),
                linear-gradient(0deg, rgba(2, 20, 37, .76), transparent 62%);
}
.bv-hero.no-cover .bv-hero-overlay { background: radial-gradient(circle at 80% 20%, rgba(50, 165, 235, .28), transparent 34%), linear-gradient(135deg, #052e52, #0b5d9a); }
.bv-hero-inner { padding-block: 90px 72px; }
.bv-hero-copy { max-width: 850px; color: var(--bv-white); }
.bv-eyebrow,
.bv-section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-size: 12px;
    line-height: 1;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .16em;
}
.bv-eyebrow { color: #bfe5ff; margin-bottom: 22px; }
.bv-eyebrow::before,
.bv-section-kicker::before {
    content: "";
    width: 30px;
    height: 2px;
    background: currentColor;
}
.bv-hero h1 {
    color: #fff;
    font-size: clamp(40px, 6vw, 74px);
    line-height: 1.02;
    letter-spacing: -.04em;
    margin: 0 0 24px;
    max-width: 980px;
}
.bv-lead {
    margin: 0;
    max-width: 790px;
    font-size: clamp(18px, 2.1vw, 23px);
    line-height: 1.55;
    color: rgba(255,255,255,.86);
}
.bv-meta { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px; font-size: 14px; color: rgba(255,255,255,.72); }

.bv-cover-warning { margin-top: 22px; padding: 14px 18px; border: 1px solid #ffcf77; background: #fff8e8; border-radius: 12px; }
.bv-content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 76px; padding-block: 74px 90px; align-items: start; }
.bv-main-content { min-width: 0; }
.bv-article-content { font-size: 18px; line-height: 1.82; color: #28394e; }
.bv-article-content > *:first-child { margin-top: 0; }
.bv-article-content p { margin: 0 0 24px; }
.bv-article-content h2 { color: var(--bv-ink); font-size: clamp(30px, 3vw, 42px); line-height: 1.15; margin: 64px 0 20px; letter-spacing: -.025em; scroll-margin-top: 120px; }
.bv-article-content h3 { color: var(--bv-ink); font-size: 25px; line-height: 1.25; margin: 42px 0 16px; scroll-margin-top: 120px; }
.bv-article-content ul, .bv-article-content ol { padding-left: 24px; margin: 0 0 28px; }
.bv-article-content li { margin-bottom: 10px; padding-left: 4px; }
.bv-article-content strong { color: #132238; }
.bv-article-content a { color: var(--bv-blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.bv-article-content blockquote { margin: 34px 0; padding: 24px 28px; border-left: 4px solid var(--bv-blue); background: var(--bv-sky); border-radius: 0 16px 16px 0; }
.bv-article-content img { border-radius: 18px; box-shadow: var(--bv-shadow); }

.bv-sidebar { position: sticky; top: 110px; display: grid; gap: 22px; }
.bv-sidebar-card { border: 1px solid var(--bv-line); border-radius: 18px; padding: 24px; background: #fff; box-shadow: 0 8px 30px rgba(19,34,56,.05); }
.bv-sidebar-title { font-weight: 800; font-size: 15px; color: var(--bv-ink); margin-bottom: 15px; }
#bv-toc { display: grid; gap: 4px; }
#bv-toc a { display: block; padding: 8px 10px; border-radius: 9px; color: #5d6b7c; font-size: 14px; line-height: 1.35; text-decoration: none; transition: .2s ease; }
#bv-toc a:hover, #bv-toc a.is-active { background: var(--bv-sky); color: var(--bv-blue); }
.bv-side-cta { background: linear-gradient(145deg, #082f52, #0b5f9e); color: #fff; border: 0; }
.bv-side-cta .bv-sidebar-title { color: #fff; }
.bv-side-cta p { color: rgba(255,255,255,.78); line-height: 1.6; font-size: 14px; }
.bv-side-cta a { color: #fff; font-weight: 700; text-decoration: none; }

.bv-services { margin-top: 76px; padding-top: 70px; border-top: 1px solid var(--bv-line); }
.bv-section-kicker { color: var(--bv-blue); margin-bottom: 16px; }
.bv-services h2, .bv-cta h2 { margin: 0; color: var(--bv-ink); font-size: clamp(32px, 4vw, 48px); line-height: 1.12; letter-spacing: -.035em; }
.bv-section-intro { max-width: 760px; margin: 18px 0 34px; color: var(--bv-muted); font-size: 17px; line-height: 1.7; }
.bv-service-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.bv-service-card { overflow: hidden; border: 1px solid var(--bv-line); border-radius: var(--bv-radius); background: #fff; box-shadow: 0 10px 34px rgba(18, 49, 80, .06); transition: transform .25s ease, box-shadow .25s ease; }
.bv-service-card:hover { transform: translateY(-5px); box-shadow: var(--bv-shadow); }
.bv-service-media { aspect-ratio: 16/10; overflow: hidden; background: #e9f0f6; }
.bv-service-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.bv-service-card:hover .bv-service-media img { transform: scale(1.035); }
.bv-service-placeholder { height: 100%; display: grid; place-items: center; background: linear-gradient(135deg, #eaf4fb, #d8e9f6); }
.bv-service-placeholder span { display: grid; place-items: center; width: 68px; height: 68px; border-radius: 50%; background: #fff; color: var(--bv-blue); font-weight: 900; letter-spacing: .05em; box-shadow: 0 8px 24px rgba(11,79,136,.12); }
.bv-service-body { padding: 24px; }
.bv-service-body h3 { margin: 0 0 10px; color: var(--bv-ink); font-size: 21px; line-height: 1.3; }
.bv-service-body p { margin: 0; color: var(--bv-muted); line-height: 1.65; font-size: 15px; }

.bv-cta { margin-top: 72px; padding: 42px; border-radius: 26px; background: linear-gradient(135deg, #eef7fc, #f8fbfd); border: 1px solid #d8e8f3; display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.bv-cta p { margin: 15px 0 0; max-width: 650px; color: var(--bv-muted); line-height: 1.65; }
.bv-cta-button { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 12px; padding: 15px 22px; border-radius: 999px; background: var(--bv-blue); color: #fff !important; text-decoration: none !important; font-weight: 800; transition: transform .2s ease, background .2s ease; }
.bv-cta-button:hover { transform: translateY(-2px); background: var(--bv-blue-deep); }

@media (max-width: 980px) {
    .bv-hero { min-height: 500px; }
    .bv-content-grid { grid-template-columns: 1fr; gap: 40px; }
    .bv-sidebar { position: static; grid-row: 1; }
    .bv-toc-card { display: none; }
    .bv-side-cta { display: none; }
}

@media (max-width: 700px) {
    .bv-container { width: min(100% - 28px, 1180px); }
    .bv-hero { min-height: 520px; }
    .bv-hero-inner { padding-block: 72px 46px; }
    .bv-hero h1 { font-size: clamp(36px, 11vw, 54px); }
    .bv-lead { font-size: 17px; }
    .bv-content-grid { padding-block: 52px 70px; }
    .bv-article-content { font-size: 17px; line-height: 1.75; }
    .bv-article-content h2 { margin-top: 48px; }
    .bv-service-grid { grid-template-columns: 1fr; }
    .bv-cta { padding: 30px 24px; flex-direction: column; align-items: flex-start; }
}