:root { color-scheme:light; --bg:#F6F5F1; --surface:#fff; --soft:#ECEAE2; --sage:#E9F0E9; --text:#263B40; --muted:#547076; --line:#DCE4E1; --accent:#397B68; --coral:#E7A28D; }
[data-theme="dark"] { color-scheme:dark; --bg:#162428; --surface:#1E3136; --soft:#263E44; --sage:#293E35; --text:#F6F5F1; --muted:#B8CBC8; --line:#2D454B; --accent:#9BCFBE; }
*,*::before,*::after { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:100px; }
body { margin:0; padding-top:78px; background:var(--bg); color:var(--text); font:16px/1.7 'DM Sans',sans-serif; }
a { color:inherit; }
img { max-width:100%; height:auto; display:block; }
h1,h2,h3 { font-family:'Bricolage Grotesque',sans-serif; font-weight:600; line-height:1.13; letter-spacing:-.025em; text-wrap:balance; }
h1 { font-size:clamp(38px,4vw,58px); margin:0 0 20px; }
h2 { font-size:30px; }
button,input { font:inherit; color:var(--text); }
button { cursor:pointer; }
a:focus-visible,button:focus-visible { outline:2px solid var(--accent); outline-offset:4px; }
p { margin:0 0 24px; }
.shell { width:min(1320px,calc(100% - 112px)); margin-inline:auto; }
.skip { position:fixed; top:-100px; left:20px; padding:10px; background:var(--surface); z-index:2000; }
.skip:focus { top:10px; }
.access { display:inline-flex; justify-content:center; align-items:center; min-height:46px; padding:10px 20px; background:#76B7A4; color:#162428; border-radius:10px; text-decoration:none; font-size:.88rem; font-weight:600; }
.eyebrow { font-size:.72rem; letter-spacing:.05em; text-transform:uppercase; color:var(--accent); font-weight:600; margin-bottom:18px; }
.eyebrow span { color:var(--muted); font-weight:400; }
.blog-masthead { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); align-items:center; gap:64px; padding:52px 0 40px; }
.blog-intro { width:100%; max-width:650px; justify-self:center; text-align:center; }
.blog-intro > p:last-child { max-width:55ch; color:var(--muted); font-size:1rem; margin:0 auto; }
.blog-title-end { display:inline-flex; align-items:baseline; gap:14px; }
.blog-title-end img { width:40px; height:34px; align-self:flex-start; margin-top:4px; }
.blog-search { width:100%; max-width:420px; justify-self:center; text-align:center; }
.blog-search label { display:block; font-family:'Bricolage Grotesque',sans-serif; font-size:1.3rem; font-weight:600; margin-bottom:14px; }
.blog-search-control { display:flex; align-items:center; gap:12px; min-height:54px; padding:4px 8px 4px 16px; border:1px solid var(--line); border-radius:12px; background:var(--surface); }
.blog-search-control svg { flex-shrink:0; color:var(--accent); }
.blog-search-control:focus-within { outline:2px solid var(--accent); outline-offset:2px; }
.blog-search input { flex:1; min-width:0; border:0; outline:0; background:transparent; padding:8px 0; font-size:.9rem; }
.blog-search input::placeholder { color:var(--muted); opacity:1; }
.blog-search-control button { border:0; border-radius:8px; background:var(--soft); padding:8px 12px; font-size:.78rem; }
.blog-search > p { color:var(--muted); font-size:.8rem; margin:12px 0 16px; }
.read-link { display:inline-flex; align-items:center; gap:18px; font-size:.85rem; color:var(--accent); font-weight:600; text-underline-offset:5px; }
.blog-featured { display:grid; grid-template-columns:1.1fr 1fr; background:var(--sage); border-radius:16px; overflow:hidden; }
.featured-art { display:block; min-width:0; }
.featured-art img { width:100%; height:100%; object-fit:cover; }
.featured-text { padding:32px 40px; align-self:center; }
.featured-label { display:inline-block; padding:4px 10px; border-radius:6px; background:var(--surface); color:var(--accent); font-size:.72rem; font-weight:600; margin-bottom:18px; }
.article-meta { font-size:.72rem; color:var(--accent); margin:0 0 10px; }
.article-meta span { color:var(--muted); }
.featured-text h2 { font-size:clamp(25px,2.2vw,34px); margin:0 0 16px; }
.featured-text h2 a { text-decoration:none; }
.featured-text > p:not(.article-meta) { color:var(--muted); font-size:.9rem; margin-bottom:20px; }
.blog-library { padding-top:52px; scroll-margin-top:105px; }
.library-heading { display:flex; align-items:baseline; justify-content:space-between; gap:20px; margin-bottom:20px; }
.library-heading h2 { margin:0; font-size:28px; }
.blog-search-status { color:var(--muted); font-size:.8rem; margin:0; }
.blog-categories { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:32px; }
.blog-categories button { min-height:44px; padding:8px 16px; border:1px solid var(--line); border-radius:999px; background:transparent; font-size:.8rem; }
.blog-categories button:hover { border-color:var(--accent); }
.blog-categories button[aria-pressed="true"] { background:var(--text); color:var(--bg); border-color:var(--text); }
.blog-categories button span { margin-left:6px; font-size:.7rem; opacity:.8; }
.article-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:36px 28px; }
.article-card { min-width:0; display:flex; flex-direction:column; border-bottom:1px solid var(--line); }
.article-art { aspect-ratio:2/1; overflow:hidden; background:var(--soft); border-radius:12px; }
.article-art img { width:100%; height:100%; object-fit:cover; }
.article-card-text { display:flex; flex-direction:column; flex:1; padding:20px 0 24px; }
.article-card-text .eyebrow { font-size:.66rem; letter-spacing:.025em; margin-bottom:10px; }
.article-card h2 { font-size:23px; line-height:1.22; margin:0 0 12px; text-wrap:pretty; }
.article-card h2 a { text-decoration:none; }
.article-card h2 a:hover,.featured-text h2 a:hover { color:var(--accent); }
.article-card-text > p:not(.eyebrow) { color:var(--muted); font-size:.84rem; line-height:1.65; margin-bottom:18px; }
.article-card-text .read-link { margin-top:auto; align-self:flex-start; }
.blog-search-empty { text-align:center; padding:48px 24px; background:var(--soft); border-radius:12px; }
.blog-search-empty h3 { font-size:26px; margin:0 0 16px; }
.blog-search-empty p { color:var(--muted); }
.blog-search-empty button { min-height:44px; padding:10px 18px; border:0; border-radius:8px; background:var(--accent); color:var(--bg); }
[hidden] { display:none !important; }
.blog-bottom { display:flex; align-items:center; gap:24px; margin:60px 0 44px; padding:32px; border-radius:16px; background:var(--soft); }
.blog-bottom > img { width:40px; flex-shrink:0; }
.blog-bottom h2 { font-size:26px; margin:0 0 8px; }
.blog-bottom p { color:var(--muted); margin:0; font-size:.88rem; }
.blog-bottom .access { margin-left:auto; flex-shrink:0; }
.blog-footer { padding:32px 0; border-top:1px solid var(--line); display:flex; justify-content:space-between; gap:32px; font-size:.78rem; color:var(--muted); }
.blog-footer > a { max-width:30ch; text-decoration:none; }
.blog-footer div { display:flex; justify-content:flex-end; gap:12px 24px; flex-wrap:wrap; max-width:80ch; }
.blog-footer div a { text-underline-offset:4px; }
.breadcrumbs { display:flex;flex-wrap:wrap;gap:12px;font-size:.77rem;color:var(--muted);padding:35px 0; }.breadcrumbs a { text-decoration:none; }.article-heading { max-width:950px;padding:30px 0 60px; }.article-heading h1 { max-width:25ch;font-size:clamp(36px,3.5vw,58px); }.article-heading > p:not(.eyebrow) { max-width:65ch;color:var(--muted);font-size:1.1rem; }.article-byline { font-size:.8rem;color:var(--muted); }.reading-layout { display:grid;grid-template-columns:240px minmax(0,740px);justify-content:space-between;gap:70px; }.reading-index nav { position:sticky;top:120px;display:flex;flex-direction:column;gap:15px;font-size:.8rem;border-top:1px solid var(--line);padding-top:20px; }.reading-index nav strong { color:var(--accent);margin-bottom:8px; }.reading-index nav a { text-decoration:none;color:var(--muted);line-height:1.5; }.reading-index nav a:hover { color:var(--accent); }.article-content { font-size:1.04rem;line-height:1.85;min-width:0; }.article-content > p:first-child { font-size:1.15rem;color:var(--text); }.article-content h2 { margin:50px 0 22px;font-size:31px;scroll-margin-top:120px; }.article-content p { color:var(--muted); }.article-content a { color:var(--accent);text-decoration:underline;text-underline-offset:4px; }.article-content li { margin-bottom:14px;color:var(--muted); }.article-content ol,.article-content ul { padding-left:27px;margin:22px 0 30px; }.article-definitions dt { font-weight:600;color:var(--text);font-size:1.06rem;margin:25px 0 8px; }.article-definitions dd { margin-left:0;color:var(--muted); }.article-formula { background:var(--soft);padding:28px;border-radius:12px;color:var(--text);font-size:1.1rem;line-height:1.65;margin-bottom:25px; }.article-content table { border-collapse:collapse;width:100%;margin:28px 0 35px;font-size:.9rem;table-layout:fixed; }.article-content th,.article-content td { padding:15px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);overflow-wrap:break-word; }.article-content th { background:var(--soft); }.article-content caption { text-align:left;font-size:.75rem;color:var(--muted);padding-bottom:12px; }.sources { margin-top:55px;padding-top:10px;border-top:1px solid var(--line); }.sources h2 { font-size:24px;margin-top:25px; }.sources p,.sources li { font-size:.82rem; }.related { padding:75px 0; }.related > div { display:grid;grid-template-columns:repeat(3,1fr);gap:25px; }.related a { padding:25px 0;border-block:1px solid var(--line);display:flex;flex-direction:column;gap:15px;text-decoration:none; }.related a span { color:var(--accent);font-size:.73rem; }.related a strong { font-family:'Bricolage Grotesque',sans-serif;font-size:1.2rem;line-height:1.35;font-weight:500; }

.article-heading { max-width:1020px; padding:12px 0 32px; }
.article-heading h1 { max-width:29ch; }
.article-cover { aspect-ratio:2.6/1; overflow:hidden; border-radius:16px; background:var(--soft); margin:0 0 48px; }
.article-cover img { width:100%; height:100%; object-fit:cover; }
@media(max-width:1000px) {
 .shell { width:calc(100% - 64px); }
 .blog-masthead { gap:36px; }
 .featured-text { padding:28px; }
 .article-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
 .reading-layout { grid-template-columns:1fr; gap:36px; }
 .reading-index nav { position:static; display:grid; grid-template-columns:1fr 1fr; }
 .reading-index nav strong { grid-column:1/-1; }
 .blog-footer,.blog-bottom { flex-wrap:wrap; }
 .blog-footer div { justify-content:flex-start; }
}
@media(max-width:700px) {
 .shell { width:calc(100% - 44px); }
 .blog-masthead { grid-template-columns:1fr; gap:28px; padding:36px 0 32px; }
 .blog-intro h1 { font-size:42px; }
 .blog-intro > p:last-child { font-size:.94rem; }
 .blog-search { max-width:none; }
 .blog-search label { font-size:1.15rem; }
 .blog-featured { grid-template-columns:1fr; }
 .featured-art { aspect-ratio:2/1; }
 .featured-text { padding:24px; }
 .featured-text h2 { font-size:27px; }
 .blog-library { padding-top:36px; }
 .library-heading { flex-direction:column; gap:8px; }
 .library-heading h2 { font-size:26px; }
 .blog-categories { flex-wrap:nowrap; overflow-x:auto; padding:5px 4px 12px; margin-inline:-4px; margin-bottom:20px; scrollbar-width:thin; }
 .blog-categories button { flex-shrink:0; }
 .article-grid { grid-template-columns:1fr; gap:28px; }
 .article-card h2 { font-size:25px; }
 .article-card-text > p:not(.eyebrow) { font-size:.9rem; }
 .article-card-text .eyebrow { font-size:.7rem; }
 .blog-bottom { margin:36px 0; padding:24px; gap:20px; }
 .blog-bottom h2 { font-size:25px; }
 .blog-bottom .access { margin-left:0; }
 .blog-footer { gap:20px; }
 .breadcrumbs { font-size:.7rem; padding-block:24px; }
 .article-heading { padding:8px 0 24px; }
 .article-heading h1 { font-size:36px; }
 .article-heading > p:not(.eyebrow) { font-size:1rem; }
 .article-cover { aspect-ratio:2/1; margin-bottom:32px; }
 .reading-index nav { display:flex; gap:12px; }
 .article-content { font-size:1rem; }
 .article-content > p:first-child { font-size:1.06rem; }
 .article-content h2 { font-size:27px; margin-top:36px; }
 .article-content table { font-size:.78rem; }
 .article-content th,.article-content td { padding:12px 8px; }
 .article-formula { padding:20px; font-size:.92rem; }
 .related { padding:44px 0; }
 .related > div { grid-template-columns:1fr; gap:0; }
 .related a { padding:20px 0; border-top:0; }
}
@media(prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }