/* Shared editorial layout: native HTML links, readable measure and no client-side rendering. */
.b-breadcrumb { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; font-size: 13px; color: var(--text-3); margin-bottom: 36px; }
.b-breadcrumb a { text-decoration: underline; text-underline-offset: 3px; }
.b-intro { padding-top: 44px; }
.b-intro h1 { max-width: 900px; font-size: clamp(36px, 5vw, 64px); line-height: 1.08; }
.b-intro > p { max-width: 680px; font-size: 19px; margin-top: 24px; }
.b-intro > .l-btn { margin-top: 26px; }
.b-library { padding-top: 68px; }
.b-library > h2, .b-related > h2 { font-size: 30px; }
.b-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin-top: 30px; }
.b-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 28px; display: flex; flex-direction: column; align-items: flex-start; min-width: 0; transition: border-color .2s; }
.b-card:hover { border-color: var(--brand); }
.b-card-meta { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 16px; width: 100%; font-size: 12px; color: var(--text-3); }
.b-card-meta span:first-child { font-weight: 600; color: var(--brand-text); }
.b-card h3 { font-size: 23px; line-height: 1.22; margin-top: 25px; }
.b-card h3 a { color: var(--text); }
.b-card h3 a:hover { text-decoration: underline; text-underline-offset: 4px; }
.b-card p { font-size: 15px; margin: 16px 0 25px; }
.b-read { margin-top: auto; font-size: 14px; font-weight: 600; display: flex; gap: 16px; }
.b-library .b-card:first-child { grid-column: span 2; background: var(--dark); }
.b-library .b-card:first-child h3 { font-size: 32px; max-width: 550px; }
.b-library .b-card:first-child h3 a, .b-library .b-card:first-child .b-read { color: #fff; }
.b-library .b-card:first-child p, .b-library .b-card:first-child .b-card-meta, .b-library .b-card:first-child .b-card-meta span { color: var(--dark-text-2); }
.b-editorial { border-top: 1px solid var(--border); padding-top: 34px; max-width: 800px; }
.b-editorial h2 { font-size: 25px; }
.b-editorial p { margin: 16px 0; font-size: 15px; }
.b-editorial a { text-decoration: underline; text-underline-offset: 3px; }
.b-article { max-width: 1160px; margin: auto; padding: 44px 28px 0; }
.b-article-header { max-width: 960px; padding-bottom: 38px; border-bottom: 1px solid var(--border); }
.b-article-header h1 { font-size: clamp(34px, 4.5vw, 54px); line-height: 1.12; }
.b-description { font-size: 20px; max-width: 780px; margin-top: 24px; }
.b-byline { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 24px; font-size: 13px; color: var(--text-3); }
.b-byline a { font-weight: 600; }
.b-article-layout { display: grid; grid-template-columns: 240px minmax(0, 700px); gap: 64px; padding-top: 44px; }
.b-toc { position: sticky; top: 110px; align-self: start; border-left: 2px solid var(--border); padding-left: 22px; font-size: 14px; }
.b-toc strong { font-size: 15px; }
.b-toc ol { padding-left: 19px; margin: 18px 0 24px; }
.b-toc li { padding: 5px 0 7px 3px; line-height: 1.5; }
.b-toc a:not(.l-btn) { color: var(--text-2); }
.b-toc a:not(.l-btn):hover { color: var(--brand); text-decoration: underline; }
.b-toc .l-btn { font-size: 13px; padding: 12px 14px; }
.b-prose { min-width: 0; }
.b-prose .b-lead { font-size: 20px; line-height: 1.7; color: var(--text); margin: 0 0 36px; }
.b-prose h2 { font-size: 29px; line-height: 1.2; margin: 42px 0 20px; }
.b-prose p, .b-prose li { font-size: 17px; line-height: 1.8; color: var(--text-2); }
.b-prose p { margin: 18px 0; }
.b-prose ul { padding-left: 24px; margin: 20px 0; }
.b-prose li { margin: 10px 0; padding-left: 5px; }
.b-prose a:not(.l-btn) { text-decoration: underline; text-underline-offset: 3px; overflow-wrap: anywhere; }
.b-checklist { background: var(--brand-tint); border-radius: 18px; padding: 26px 30px; margin-top: 38px; }
.b-checklist h2 { margin-top: 0; font-size: 25px; }
.b-checklist ul { margin-bottom: 0; }
.b-sources { border-top: 1px solid var(--border); margin-top: 34px; }
.b-sources h2 { font-size: 20px; margin-top: 26px; }
.b-sources li { font-size: 14px; }
.b-cta { border: 1px solid var(--border); background: #fff; border-radius: 20px; padding: 32px; margin-top: 40px; }
.b-cta h2 { margin-top: 0; font-size: 28px; }
.b-cta small { display: block; margin-top: 16px; font-size: 13px; color: var(--text-3); line-height: 1.5; }
.b-back { display: inline-block; margin-top: 28px; text-decoration: underline; }
.b-home { padding-top: 80px; }
@media (max-width: 980px) {
    .b-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .b-article-layout { grid-template-columns: 1fr; gap: 28px; }
    .b-toc { position: static; padding: 22px; border: 1px solid var(--border); border-radius: 14px; }
    .b-toc ol { columns: 2; column-gap: 32px; }
    .b-toc li { break-inside: avoid; }
    .b-article-header { padding-bottom: 28px; }
}
@media (max-width: 620px) {
    .b-grid { grid-template-columns: 1fr; }
    .b-library .b-card:first-child { grid-column: auto; }
    .b-library .b-card:first-child h3 { font-size: 26px; }
    .b-article { padding: 28px 20px 0; }
    .b-toc ol { columns: 1; }
    .b-intro { padding-top: 28px; }
    .b-intro > p, .b-description { font-size: 17px; }
    .b-breadcrumb { margin-bottom: 25px; }
    .b-article-layout { padding-top: 28px; }
    .b-prose h2 { font-size: 25px; }
    .b-prose .b-lead { font-size: 18px; }
    .b-checklist, .b-cta { padding: 24px; }
    .b-cta .l-btn { width: 100%; }
}