.library-main{background:linear-gradient(180deg,#f5f8f8 0,#fff 430px)}
.header-actions{display:flex;align-items:center;gap:24px}
.header-link{color:var(--muted);font-size:14px;font-weight:750;text-decoration:none}
.header-link:hover,.header-link[aria-current="page"]{color:var(--teal)}
.library-hero{padding:88px 0 62px}
.library-hero-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(280px,.72fr);gap:80px;align-items:end}
.library-hero h1{max-width:10ch;margin-bottom:20px}
.library-hero .lead{max-width:690px;color:var(--muted)}
.library-principle{padding:24px 0 2px;border-top:2px solid var(--teal);color:var(--muted);font-size:16px}
.library-principle strong{display:block;margin-bottom:8px;color:var(--ink);font-size:18px}
.library-feature{padding:34px 0 82px}
.feature-card{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(260px,.75fr);gap:58px;padding:42px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow);color:var(--ink);text-decoration:none}
.feature-card:hover{border-color:#bad5d3}
.feature-card h2{max-width:17ch;font-size:clamp(34px,4vw,50px)}
.feature-card .summary{max-width:680px;color:var(--muted);font-size:18px}
.feature-side{display:flex;flex-direction:column;justify-content:space-between;padding-left:34px;border-left:1px solid var(--line)}
.feature-side p{color:var(--muted)}
.read-link{color:var(--teal);font-weight:800}
.library-existing{padding:72px 0 92px;background:var(--soft)}
.library-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.library-grid-two{grid-template-columns:repeat(2,1fr)}
.library-card{display:flex;min-height:280px;flex-direction:column;padding:26px;border:1px solid var(--line);border-radius:18px;background:#fff;color:var(--ink);text-decoration:none}
.library-card:hover{border-color:#bad5d3;box-shadow:var(--shadow)}
.library-card h3{font-size:23px}
.library-card p{color:var(--muted)}
.library-card .read-link{margin-top:auto;padding-top:20px}
.library-footer-note{max-width:720px;margin-top:42px;color:var(--muted)}

.article-main{background:linear-gradient(180deg,#f5f8f8 0,#fff 390px)}
.article-header{padding:76px 0 54px;border-bottom:1px solid var(--line)}
.article-header-inner{max-width:940px}
.article-header h1{max-width:17ch;font-size:clamp(46px,5.5vw,72px)}
.article-summary{max-width:760px;margin:0;color:var(--muted);font-size:20px;line-height:1.48}
.article-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;color:var(--muted);font-size:13px}
.article-meta span+span::before{content:"·";margin-right:12px;color:#a2adb3}
.article-layout{display:grid;grid-template-columns:220px minmax(0,720px);gap:70px;justify-content:center;padding:52px 0 94px}
.article-toc{align-self:start;position:sticky;top:100px}
.article-toc p{margin:0 0 14px;color:var(--ink);font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.article-toc a{display:block;padding:6px 0;color:var(--muted);font-size:13px;line-height:1.35;text-decoration:none}
.article-toc a:hover{color:var(--teal)}
.article-body{min-width:0}
.article-body section{padding:27px 0;scroll-margin-top:94px}
.article-body section:first-child{padding-top:0}
.article-body h2{max-width:20ch;font-size:clamp(28px,3vw,38px)}
.article-body p,.article-body li{color:var(--muted);font-size:17px;line-height:1.7}
.article-body li+li{margin-top:9px}
.article-body section.short-answer{margin-bottom:20px;padding:30px 32px;border-left:3px solid var(--teal);background:var(--tealsoft)}
.short-answer h2{font-size:22px}
.short-answer p:first-of-type{color:var(--ink);font-size:20px}
.article-body .plain-language{color:var(--ink);font-size:19px}
.article-divider{height:1px;margin:34px 0;background:var(--line)}
.article-body section.author-panel{margin-top:30px;padding:32px;border-radius:18px;background:var(--navy);color:#fff}
.editorial-note{margin:24px 0;padding:20px 24px;border-left:3px solid var(--coral);background:#fff7f1}
.article-body .editorial-note p{margin:0;color:var(--ink)}
.related-article{margin:30px 0;padding:26px 28px;border:1px solid var(--line);border-radius:14px;background:#fff}
.related-article h2{margin:5px 0 8px;font-size:24px}
.related-article h2 a{color:var(--ink);text-decoration:none}
.article-body .related-article p{margin:0}
.author-panel .eyebrow{color:#91d4ce}
.author-panel h2{max-width:none;font-size:32px}
.author-panel p{color:rgba(255,255,255,.76)}
.author-panel .button{background:#fff;color:var(--navy)}
.source-list{padding-left:20px}
.source-list a{color:var(--teal)}
.back-to-library{color:var(--teal);font-weight:750;text-decoration:none}

@media(max-width:900px){
  .library-hero-grid,.feature-card{grid-template-columns:1fr}
  .library-hero-grid{gap:38px}
  .feature-side{padding:28px 0 0;border-left:0;border-top:1px solid var(--line)}
  .article-layout{grid-template-columns:1fr;gap:18px}
  .article-toc{position:static;padding-bottom:22px;border-bottom:1px solid var(--line)}
  .article-toc nav{columns:2;column-gap:28px}
}
@media(max-width:760px){
  .header-actions{gap:14px}.header-link{font-size:13px}
  .library-hero{padding:56px 0 42px}
  .library-feature{padding:20px 0 62px}
  .feature-card{gap:34px;padding:28px 24px}
  .library-grid{grid-template-columns:1fr}
  .library-card{min-height:0}
  .article-header{padding:54px 0 40px}
  .article-header h1{font-size:44px}
  .article-summary{font-size:18px}
  .article-layout{padding:36px 0 72px}
  .article-toc nav{columns:1}
  .article-body p,.article-body li{font-size:16px}
  .article-body section.short-answer{padding:24px 22px}
  .article-meta span{width:100%}
  .article-meta span+span::before{display:none}
}
@media(max-width:520px){.header-actions{gap:11px}.header-link{font-size:12px}}