/* brativa.online — self-contained stylesheet.
   No @import, no web fonts, no remote assets. System font stack only. */

:root{
  --ink:#16202b;
  --ink-2:#2c3b49;
  --muted:#5b6b78;
  --bg:#f4f6f7;
  --surface:#ffffff;
  --surface-2:#eef1f3;
  --line:#d6dee3;
  --line-2:#c2ced6;
  --brand:#00744f;
  --brand-2:#00a979;
  --brand-ink:#ffffff;
  --brand-soft:#e6f5ef;
  --flag:#7a4b00;
  --flag-bg:#fdf3e0;
  --flag-line:#e6c893;
  --radius:10px;
  --radius-s:6px;
  --maxw:1220px;
  --f-body:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --f-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ink:#e8eef2;
    --ink-2:#c6d2da;
    --muted:#9aa9b4;
    --bg:#11171c;
    --surface:#1a2228;
    --surface-2:#222c34;
    --line:#2f3b44;
    --line-2:#3d4b56;
    --brand:#3fd3a0;
    --brand-2:#00a979;
    --brand-ink:#08130f;
    --brand-soft:#15302a;
    --flag:#f0c987;
    --flag-bg:#2b2213;
    --flag-line:#54421f;
  }
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:underline;text-underline-offset:2px}
a:hover{text-decoration:none}
h1,h2,h3,h4{line-height:1.22;color:var(--ink);margin:0 0 .5em;font-weight:700;letter-spacing:-.011em}
h1{font-size:clamp(1.85rem,1.35rem+2.1vw,2.7rem);margin-bottom:.35em}
h2{font-size:clamp(1.35rem,1.12rem+1vw,1.75rem);margin-top:2.1em}
h3{font-size:1.14rem;margin-top:1.8em}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.15em;padding-left:1.35em}
li{margin:.4em 0}
hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
small{font-size:.86rem}
code{font-family:var(--f-mono);font-size:.88em;background:var(--surface-2);padding:.12em .38em;border-radius:4px}

/* ---------- skip link ---------- */
.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:8px;top:8px;z-index:50;background:var(--surface);color:var(--ink);
  padding:.55em .9em;border:2px solid var(--brand);border-radius:var(--radius-s)}
:focus-visible{outline:3px solid var(--brand-2);outline-offset:2px}

/* ---------- affiliate disclosure bar (must be first in source) ---------- */
.aff-bar{
  background:var(--flag-bg);
  border-bottom:1px solid var(--flag-line);
  color:var(--flag);
  font-size:.82rem;
  line-height:1.5;
}
.aff-bar p{margin:0;padding:.6em 20px;max-width:var(--maxw);margin-inline:auto}
.aff-bar strong{font-weight:700}
.aff-bar a{color:inherit}

/* ---------- header ---------- */
.site-head{
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.site-head .inner{
  max-width:var(--maxw);margin-inline:auto;padding:14px 20px;
  display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;
}
.brand{
  font-weight:700;font-size:1.22rem;letter-spacing:-.02em;
  color:var(--ink);text-decoration:none;display:inline-flex;align-items:baseline;gap:.42em;
}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--brand-2);display:inline-block}
.brand .tld{color:var(--muted);font-weight:500;font-size:.8em}
.kicker{
  margin-left:auto;font-size:.72rem;text-transform:uppercase;letter-spacing:.09em;
  color:var(--muted);font-weight:600;
}
.site-nav{
  background:var(--surface-2);border-bottom:1px solid var(--line);
}
.site-nav ul{
  max-width:var(--maxw);margin-inline:auto;padding:0 20px;list-style:none;
  display:flex;flex-wrap:wrap;gap:0 20px;
}
.site-nav li{margin:0}
.site-nav a{
  display:inline-block;padding:.55em 0;font-size:.84rem;font-weight:600;
  color:var(--ink-2);text-decoration:none;
}
.site-nav a:hover,.site-nav a[aria-current="page"]{color:var(--brand);text-decoration:underline}

/* ---------- layout ---------- */
.wrap{
  max-width:var(--maxw);margin-inline:auto;padding:30px 20px 10px;
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:38px;align-items:start;
}
.wrap.narrow{grid-template-columns:minmax(0,1fr);max-width:820px}
main{min-width:0}
@media (max-width:920px){
  .wrap{grid-template-columns:minmax(0,1fr);gap:28px}
}

/* aside sits after main in the DOM so that no commercial link precedes a disclosure */
.rail{position:sticky;top:18px;display:flex;flex-direction:column;gap:18px}
@media (max-width:920px){.rail{position:static}}

/* ---------- article furniture ---------- */
.byline{
  display:flex;flex-wrap:wrap;gap:.35em 1.1em;align-items:baseline;
  font-size:.85rem;color:var(--muted);margin:0 0 1.5em;
  padding-bottom:1.1em;border-bottom:1px solid var(--line);
}
.byline .who{color:var(--ink);font-weight:600}
.lede{font-size:1.1rem;color:var(--ink-2)}

.disclosure{
  background:var(--flag-bg);border:1px solid var(--flag-line);
  border-left:4px solid #c98a1e;
  border-radius:var(--radius-s);
  padding:14px 18px;margin:0 0 1.9em;font-size:.9rem;color:var(--flag);
}
.disclosure h2,.disclosure p:first-child strong{font-size:.95rem}
.disclosure p{margin:0 0 .6em}
.disclosure p:last-child{margin-bottom:0}
.disclosure ul{margin:.4em 0 .6em;padding-left:1.2em}

.toc{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 20px;margin:0 0 2.2em;
}
.toc h2{font-size:.76rem;text-transform:uppercase;letter-spacing:.09em;
  color:var(--muted);margin:0 0 .7em}
.toc ol{margin:0;padding-left:1.25em;font-size:.92rem;columns:2;column-gap:28px}
@media (max-width:620px){.toc ol{columns:1}}
.toc li{margin:.28em 0;break-inside:avoid}

.callout{
  background:var(--surface);border:1px solid var(--line);
  border-left:4px solid var(--brand-2);
  border-radius:var(--radius-s);padding:16px 20px;margin:1.8em 0;
}
.callout h3{margin-top:0;font-size:1rem}
.callout p:last-child,.callout ul:last-child{margin-bottom:0}
.callout.correction{border-left-color:#c0392b}

/* ---------- figures ---------- */
figure.fig{
  margin:2.2em 0;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);padding:18px 18px 0;
}
figure.fig svg,figure.fig img{width:100%;height:auto;border-radius:var(--radius-s)}
figure.fig figcaption{
  font-size:.83rem;color:var(--muted);line-height:1.5;
  padding:12px 2px 16px;border-top:1px solid var(--line);margin-top:14px;
}
figure.fig figcaption b{color:var(--ink-2)}

/* ---------- tables ---------- */
.tablewrap{overflow-x:auto;margin:1.8em 0;border:1px solid var(--line);border-radius:var(--radius)}
table{border-collapse:collapse;width:100%;font-size:.9rem;background:var(--surface)}
caption{text-align:left;font-size:.83rem;color:var(--muted);padding:12px 14px;border-bottom:1px solid var(--line)}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--surface-2);font-size:.78rem;text-transform:uppercase;
  letter-spacing:.06em;color:var(--muted)}
tbody tr:last-child td{border-bottom:0}

/* ---------- CTA ---------- */
.cta-block{
  margin:2.2em 0;padding:20px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);text-align:center;
}
.btn{
  display:inline-flex;flex-direction:column;align-items:center;gap:.25em;
  background:var(--brand);color:var(--brand-ink);
  font-weight:700;font-size:1.02rem;line-height:1.3;
  padding:.78em 1.9em;border-radius:var(--radius-s);
  text-decoration:none;border:1px solid var(--brand);
  max-width:100%;
}
.btn:hover{background:var(--brand-2);border-color:var(--brand-2);text-decoration:none}
.btn.outline{background:transparent;color:var(--brand);border-color:var(--line-2)}
.btn.outline:hover{background:var(--brand-soft);color:var(--brand);border-color:var(--brand-2)}
.btn.full{display:flex;width:100%}
/* visible partner-link label, rendered inside every commercial button */
.btn .aff-tag{
  font-size:.66rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;
  opacity:.88;
}
.cta-note{
  margin:.85em auto 0;max-width:46em;
  font-size:.78rem;line-height:1.55;color:var(--muted);
}
.cta-note b{color:var(--ink-2)}

/* ---------- promo rail card ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px;
}
.card h2,.card h3{margin-top:0;font-size:1rem}
.card p{font-size:.88rem;margin-bottom:.9em}
.card .cta-note{text-align:left;margin-left:0}
.card-label{
  font-size:.66rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700;
  color:var(--flag);background:var(--flag-bg);border:1px solid var(--flag-line);
  border-radius:3px;padding:.15em .5em;display:inline-block;margin-bottom:.8em;
}

/* ---------- sources / notes ---------- */
.sources{font-size:.86rem}
.sources ol{padding-left:1.3em}
.sources li{margin:.5em 0;overflow-wrap:anywhere}
.tm-note{
  font-size:.82rem;color:var(--muted);background:var(--surface-2);
  border:1px solid var(--line);border-radius:var(--radius-s);padding:14px 18px;margin:2.2em 0;
}

/* ---------- legal pages ---------- */
.legal h2{margin-top:1.9em}
.legal dl{margin:1.2em 0;padding:0}
.legal dt{font-weight:700;margin-top:.9em}
.legal dd{margin:.15em 0 0;padding:0;color:var(--ink-2)}
.identity{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 22px;margin:1.6em 0;
}
.identity dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:.45em 1.4em}
.identity dt{margin:0;font-weight:600;color:var(--muted);font-size:.88rem}
.identity dd{margin:0}
@media (max-width:520px){
  .identity dl{grid-template-columns:1fr;gap:.1em}
  .identity dd{margin-bottom:.7em}
}
.updated{font-size:.85rem;color:var(--muted);margin-bottom:2em}

/* ---------- footer ---------- */
.site-foot{
  margin-top:48px;background:var(--surface);
  border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;
}
.site-foot .inner{max-width:var(--maxw);margin-inline:auto;padding:28px 20px 34px}
.site-foot nav ul{
  list-style:none;padding:0;margin:0 0 1.4em;
  display:flex;flex-wrap:wrap;gap:.35em 1.4em;
}
.site-foot nav li{margin:0}
.site-foot nav a{color:var(--ink-2);text-decoration:none;font-weight:600}
.site-foot nav a:hover{color:var(--brand);text-decoration:underline}
.site-foot .pub{margin:0 0 .9em;line-height:1.7}
.site-foot .pub b{color:var(--ink)}
.site-foot .fine{margin:0 0 .8em;line-height:1.6}
.site-foot .copy{margin:1.2em 0 0;font-size:.8rem}

/* ---------- 404 ---------- */
.notfound{text-align:center;padding:60px 20px}
.notfound .code{font-size:4rem;font-weight:800;color:var(--line-2);line-height:1;margin:0}