:root{--ink:#0B1220;--ink2:#101A2E;--field:#0F3D2E;--field2:#154A38;--gold:#C9972E;--gold2:#E4B33F;--chalk:#ECEEF2;--dim:#B7BECC;--slate:#7C8598;--line:rgba(236,238,242,.11);--good:#6FCF97;--danger:#ef7777;--max:1180px}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--ink);color:var(--chalk);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.66;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}h1,h2,h3,h4,h5{font-family:Oswald,Inter,sans-serif;color:#fff;line-height:1.18}img{max-width:100%}.wrap{max-width:var(--max);margin:auto;padding:0 24px}.mono,.eyebrow,.pill,.guide-tag{font-family:'IBM Plex Mono',monospace}.eyebrow{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold2)}
header{position:sticky;top:0;z-index:50;background:rgba(11,18,32,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:flex;align-items:center;gap:10px;font-family:Oswald,sans-serif;font-weight:700;font-size:20px;white-space:nowrap}.logo .mark{width:34px;height:34px;border-radius:7px;background:var(--gold2);color:#211802;display:grid;place-items:center}.logo .site-name span{color:var(--gold2)}.primary ul{display:flex;gap:20px;align-items:center;list-style:none}.primary a{font-size:13px;font-weight:600;color:var(--dim);padding:10px 0}.primary a:hover,.primary a.active{color:var(--gold2)}.burger{display:none;background:transparent;border:1px solid var(--line);color:#fff;border-radius:8px;padding:8px 10px;font-size:20px}.uk-badge{font-size:11px;font-family:'IBM Plex Mono',monospace;border:1px solid rgba(228,179,63,.35);color:var(--gold2);padding:6px 9px;border-radius:999px}
.crumb{padding-top:24px;color:var(--slate);font-size:12.5px}.crumb a{color:var(--dim)}.crumb a:hover{color:#fff}.hero{padding:36px 0 34px;border-bottom:1px solid var(--line);background:radial-gradient(circle at 80% 5%,rgba(201,151,46,.12),transparent 30%),linear-gradient(180deg,rgba(15,61,46,.16),transparent)}.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:end}.hero h1{font-size:clamp(38px,6vw,68px);margin:10px 0 16px;max-width:900px}.hero .dek{max-width:760px;color:var(--dim);font-size:17px}.meta{display:flex;flex-wrap:wrap;gap:10px 16px;margin-top:20px;color:var(--slate);font-size:12px}.meta strong{color:var(--dim)}.hero-side{border:1px solid rgba(228,179,63,.25);background:rgba(16,26,46,.76);border-radius:14px;padding:20px}.hero-side strong{display:block;color:var(--gold2);font-family:Oswald,sans-serif;font-size:20px;margin-bottom:8px}.hero-side p{font-size:13.5px;color:var(--dim)}
.cluster-nav{padding:26px 0;border-bottom:1px solid var(--line);background:rgba(16,26,46,.55)}.cluster-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:14px}.cluster-head h2{font-size:22px}.cluster-head p{color:var(--slate);font-size:12.5px}.cluster-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.cluster-card{display:block;border:1px solid var(--line);border-radius:12px;padding:17px;background:var(--ink2);transition:.15s}.cluster-card:hover{border-color:rgba(228,179,63,.48);transform:translateY(-2px)}.cluster-card .guide-tag{font-size:9.5px;color:var(--gold2);letter-spacing:.08em}.cluster-card h3{font-size:16px;margin:7px 0}.cluster-card p{font-size:12.5px;color:var(--dim)}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding:48px 24px 70px;max-width:var(--max);margin:auto}.article{max-width:780px}.article h2{font-size:28px;margin:42px 0 15px;scroll-margin-top:100px}.article h2:first-child{margin-top:0}.article h3{font-size:20px;margin:28px 0 10px}.article p{color:var(--dim);font-size:15.5px;margin-bottom:17px}.article ul,.article ol{margin:0 0 20px 22px}.article li{color:var(--dim);margin-bottom:9px;font-size:15px}.article strong{color:#fff}.article a:not(.card-link){color:var(--gold2);text-decoration:underline;text-decoration-color:rgba(228,179,63,.35);text-underline-offset:3px}.article table{width:100%;border-collapse:collapse;min-width:720px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;margin:20px 0;background:var(--ink2)}th{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--slate);background:rgba(255,255,255,.03);text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}td{padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:top;font-size:13.5px;color:var(--dim)}tr:last-child td{border-bottom:0}td strong{color:#fff}.callout{margin:22px 0;padding:18px 20px;border-left:3px solid var(--gold2);border-radius:0 10px 10px 0;background:rgba(228,179,63,.07)}.callout.good{border-left-color:var(--good);background:rgba(111,207,151,.07)}.callout.warn{border-left-color:var(--danger);background:rgba(239,119,119,.06)}.callout .label{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.09em;text-transform:uppercase;color:var(--gold2);margin-bottom:6px}.callout.good .label{color:var(--good)}.callout.warn .label{color:#ffaaaa}.callout p{margin:0;font-size:14px}.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}.quick{border:1px solid var(--line);border-radius:11px;padding:16px;background:var(--ink2)}.quick strong{display:block;color:var(--gold2);font-size:14px;margin-bottom:5px}.quick span{display:block;color:var(--dim);font-size:12.5px}.formula{font-family:'IBM Plex Mono',monospace;padding:15px;background:#09101c;border:1px solid var(--line);border-radius:10px;color:var(--gold2);margin:14px 0;overflow:auto}.steps{display:grid;gap:12px;margin:18px 0}.step{display:grid;grid-template-columns:40px 1fr;gap:14px;border:1px solid var(--line);border-radius:11px;background:var(--ink2);padding:16px}.step .n{width:40px;height:40px;border-radius:9px;background:rgba(228,179,63,.12);color:var(--gold2);display:grid;place-items:center;font-family:'IBM Plex Mono',monospace;font-weight:700}.step h3{margin:0 0 5px;font-size:16px}.step p{margin:0;font-size:13.5px}.faq{border-top:1px solid var(--line);margin-top:10px}.faq-item{padding:18px 0;border-bottom:1px solid var(--line)}.faq-item h3{font-size:17px;margin:0 0 7px}.faq-item p{margin:0;font-size:14px}.sources{margin-top:34px;padding:20px;border:1px solid var(--line);border-radius:12px;background:var(--ink2)}.sources h3{font-size:18px;margin:0 0 10px}.sources li{font-size:12.5px;margin-bottom:6px}.sources a{overflow-wrap:anywhere}
.toc{position:sticky;top:100px;border:1px solid var(--line);background:var(--ink2);border-radius:12px;padding:18px;max-height:calc(100vh - 125px);overflow:auto}.toc h4{font-size:15px;margin-bottom:10px}.toc ol{list-style:none;display:grid;gap:3px}.toc a{display:block;color:var(--slate);font-size:12px;padding:6px 7px;border-radius:6px}.toc a:hover{color:#fff;background:rgba(255,255,255,.04)}.toc .back{margin-top:14px;border-top:1px solid var(--line);padding-top:14px}.toc .back a{color:var(--gold2);font-weight:700}
.related{border-top:1px solid var(--line);padding:46px 0 62px;background:var(--ink2)}.related h2{font-size:28px;margin:7px 0 20px}.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.related-card{display:block;border:1px solid var(--line);border-radius:11px;padding:18px;background:var(--ink);transition:.15s}.related-card:hover{border-color:rgba(228,179,63,.45);transform:translateY(-2px)}.related-card small{font-family:'IBM Plex Mono',monospace;color:var(--gold2);font-size:9.5px}.related-card h3{font-size:17px;margin:7px 0}.related-card p{font-size:12.5px;color:var(--dim)}
footer{border-top:1px solid var(--line);padding:38px 0 28px;background:#080e18}.foot-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:34px}.foot-brand p{font-size:12.5px;color:var(--slate);margin-top:10px;max-width:320px}.foot-col h5{font-size:13px;margin-bottom:10px}.foot-col a{display:block;color:var(--slate);font-size:12.5px;margin:7px 0}.foot-col a:hover{color:#fff}.rg{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);color:var(--slate);font-size:12px}.rg strong{color:#fff}.rg a{color:var(--gold2)}.copyright{margin-top:18px;color:#667085;font-size:11px}
@media(max-width:960px){.primary{display:none}.burger{display:block}.header-inner.nav-open+.mobile-nav{display:block}.mobile-nav{display:none;border-top:1px solid var(--line);padding:10px 24px 14px;background:var(--ink2)}.mobile-nav a{display:block;padding:10px 0;color:var(--dim);font-size:14px}.hero-grid{grid-template-columns:1fr}.cluster-grid,.related-grid{grid-template-columns:1fr 1fr}.layout{grid-template-columns:1fr}.toc{position:static;max-height:none;order:-1}.quick-grid{grid-template-columns:1fr 1fr}.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.wrap,.layout{padding-left:16px;padding-right:16px}.hero{padding-top:28px}.hero h1{font-size:38px}.cluster-grid,.related-grid,.quick-grid{grid-template-columns:1fr}.cluster-head{display:block}.cluster-head p{margin-top:5px}.layout{padding-top:28px;gap:28px}.article h2{font-size:25px}.foot-grid{grid-template-columns:1fr}.uk-badge{display:none}}

/* Brazil article feature photography */
.mobile-nav{display:none}
.feature-media{padding:28px 0 0;background:var(--ink)}
.feature-media figure{margin:0}
.feature-media img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 45px rgba(0,0,0,.22)}
.feature-media figcaption{color:var(--slate);font-size:11.5px;line-height:1.55;margin-top:9px;padding:0 2px}
@media(max-width:600px){.feature-media{padding-top:18px}.feature-media img{border-radius:10px}.feature-media figcaption{font-size:10.5px}}

/* definitive desktop mobile-nav fix */
.mobile-nav{display:none}
.header-inner.nav-open + .mobile-nav{display:block}
@media(min-width:961px){.mobile-nav{display:none!important}}

/* Brazil cluster additions */
.br-feature{padding:28px 0 0;background:var(--ink)}
.br-feature figure{margin:0}
.br-feature img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 45px rgba(0,0,0,.22)}
.br-feature figcaption{color:var(--slate);font-size:11.5px;line-height:1.55;margin-top:9px;padding:0 2px}
.cluster-card .br-thumb{display:block;width:calc(100% + 34px);max-width:none;height:130px;object-fit:cover;margin:-17px -17px 16px;border-radius:11px 11px 0 0;border-bottom:1px solid var(--line)}
@media(max-width:600px){.br-feature{padding-top:18px}.br-feature img{border-radius:10px}.cluster-card .br-thumb{height:155px}}