/* BriteBase resources — shared article styles (cobalt brand, gobritebase.com) */
:root{
  --acc:#2563EB;--ink:#1E40AF;--soft:rgba(37,99,235,.10);--amber:#B45309;
  --mut:#5B6B7C;--line:#E7ECF1;--navy:#0B1B2B;
  --fb:'Geist',-apple-system,system-ui,sans-serif;
  --fd:'Space Grotesk',var(--fb);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--fb);color:#0B1B2B;line-height:1.6;background:#fff;
  -webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--acc);text-decoration:none}
a:hover{text-decoration:underline}
::selection{background:var(--soft)}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:760px}

/* header */
.ahdr{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid #EEF2F6}
.ahdr .row{max-width:1100px;margin:0 auto;display:flex;align-items:center;
  justify-content:space-between;gap:20px;padding:12px 24px}
.ahdr img{height:42px;width:auto;display:block}
.ahdr .cta{display:inline-flex;align-items:center;font-family:var(--fd);font-weight:600;
  font-size:13px;color:#fff;background:var(--acc);border-radius:999px;padding:10px 18px;
  box-shadow:0 8px 22px -8px rgba(37,99,235,.55);transition:transform .15s}
.ahdr .cta:hover{transform:translateY(-1px);text-decoration:none}

/* hero */
.phero{background:var(--navy);color:#fff;padding:56px 0 48px;position:relative;overflow:hidden}
.phero::before{content:"";position:absolute;inset:0;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);background-size:20px 20px}
.phero::after{content:"";position:absolute;top:-160px;right:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,.45),transparent 70%)}
.phero .wrap{position:relative;z-index:1}
.phero h1{font-family:var(--fd);font-weight:700;letter-spacing:-.025em;line-height:1.08;
  font-size:clamp(30px,5vw,46px);margin:16px 0 0;max-width:20ch;color:#fff}
.eyebrow{display:inline-block;font-family:var(--fd);font-weight:600;font-size:11px;
  letter-spacing:.15em;text-transform:uppercase;color:#9DBBF5}
.eyebrow.on-dark{color:#9DBBF5}
.lede{font-size:18px;line-height:1.6;color:#C3CEDC;max-width:60ch;margin:18px 0 0}
.artmeta{font-family:'Geist Mono','Geist',monospace;font-size:12.5px;color:#8FA0B4;margin:18px 0 0;
  letter-spacing:.02em}

/* body */
.sec{padding:54px 0}
.artbody{font-size:17px;line-height:1.72;color:#243244}
.artbody h2{font-family:var(--fd);font-weight:700;letter-spacing:-.02em;font-size:27px;
  line-height:1.2;color:#0B1B2B;margin:38px 0 14px}
.artbody h3{font-family:var(--fd);font-weight:600;font-size:20px;color:#0B1B2B;margin:28px 0 10px}
.artbody p{margin:0 0 18px}
.artbody ul,.artbody ol{margin:0 0 18px;padding-left:22px}
.artbody li{margin:0 0 9px}
.artbody strong{color:#0B1B2B;font-weight:600}
.artbody a{color:var(--acc);text-decoration:underline;text-underline-offset:2px;
  text-decoration-color:rgba(37,99,235,.35)}
.artbody a:hover{text-decoration-color:var(--acc)}
.artbody blockquote{margin:22px 0;padding:14px 20px;border-left:3px solid var(--acc);
  background:var(--soft);border-radius:0 10px 10px 0;color:#243244}

/* key takeaways box */
.keytakes{background:#F8FAFD;border:1px solid var(--line);border-radius:16px;padding:22px 24px;margin:0 0 28px}
.keytakes-h{font-family:var(--fd);font-weight:700;font-size:13px;letter-spacing:.06em;
  text-transform:uppercase;color:var(--ink);margin:0 0 10px}
.keytakes ul{margin:0;padding-left:20px}.keytakes li{margin:0 0 8px}

/* tables */
.art-table-wrap{overflow-x:auto;margin:0 0 22px}
.art-table{width:100%;border-collapse:collapse;font-size:15px}
.art-table th,.art-table td{border:1px solid var(--line);padding:10px 13px;text-align:left;vertical-align:top}
.art-table th{background:#F8FAFD;font-family:var(--fd);font-weight:600;color:#0B1B2B}

/* FAQ */
.faq{margin:8px 0 0}
.faq details{border:1px solid var(--line);border-radius:12px;padding:2px 18px;margin:0 0 10px;background:#fff}
.faq summary{font-family:var(--fd);font-weight:600;font-size:16px;color:#0B1B2B;cursor:pointer;
  padding:15px 0;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--acc);font-size:22px;font-weight:400;line-height:1;flex:none}
.faq details[open] summary::after{content:"\2013"}
.faq details p{margin:0 0 16px;color:#3A4757;font-size:15.5px;line-height:1.62}

/* sources */
.artsources{margin:36px 0 0;padding:22px 0 0;border-top:1px solid var(--line)}
.artsources .ash{font-family:var(--fd);font-weight:700;font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--mut);margin:0 0 10px}
.artsources ul{margin:0;padding-left:18px}
.artsources li{margin:0 0 7px;font-size:14.5px}
.artsources a{color:var(--mut);text-decoration:underline}
.artsources a:hover{color:var(--acc)}

/* related */
.related{margin:36px 0 0;padding:24px;border:1px solid var(--line);border-radius:16px;background:#FAFBFD}
.related h3{font-family:var(--fd);font-weight:700;font-size:14px;letter-spacing:.04em;
  text-transform:uppercase;color:var(--ink);margin:0 0 14px}
.related ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.related a{display:flex;flex-direction:column;gap:2px;padding:13px 16px;border:1px solid var(--line);
  border-radius:12px;background:#fff;transition:transform .15s,box-shadow .2s}
.related a:hover{transform:translateY(-2px);box-shadow:0 16px 32px -22px rgba(11,27,43,.3);text-decoration:none}
.related a strong{color:#0B1B2B;font-size:15px;font-weight:600}
.related a span{color:var(--mut);font-size:13px}

/* back link */
.artback{display:inline-flex;align-items:center;gap:9px;margin:34px 0 0;font-family:var(--fd);
  font-weight:600;font-size:14px;color:var(--acc)}
.artback svg{width:18px;height:18px}
.artback:hover{text-decoration:none;gap:13px}

/* CTA band */
.ctaband{background:radial-gradient(120% 120% at 0% 0%,#2f5fd6,#122a63 60%,#0a1b40);color:#fff;
  text-align:center;border-radius:0}
.sec.tight{padding:48px 0}
.ctaband h2{font-family:var(--fd);font-weight:700;letter-spacing:-.02em;font-size:30px;color:#fff;margin:0 auto;max-width:20ch}
.ctaband p{color:rgba(255,255,255,.82);font-size:16px;max-width:52ch;margin:14px auto 0}
.ctaband .alt{color:rgba(255,255,255,.7);font-size:13px;margin:18px auto 0}
.ctaband .alt a{color:#9DBBF5}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--fd);
  font-weight:600;border-radius:999px;cursor:pointer;border:0;text-decoration:none;
  transition:transform .15s,box-shadow .2s;font-size:14px;padding:12px 22px}
.btn:hover{transform:translateY(-1px);text-decoration:none}
.btn-primary{background:#fff;color:#12275a}
.btn-lg{font-size:15px;padding:14px 28px;margin-top:22px}

/* footer */
.aft{background:var(--navy);color:#fff;padding:44px 0 38px}
.aft .row{max-width:1100px;margin:0 auto;padding:0 24px;display:flex;flex-wrap:wrap;
  gap:18px 40px;align-items:center;justify-content:space-between}
.aft img{height:28px;width:auto}
.aft .tg{color:rgba(255,255,255,.6);font-size:13px;max-width:42ch;margin:10px 0 0}
.aft .lnks{display:flex;gap:20px;flex-wrap:wrap;font-size:14px}
.aft .lnks a{color:rgba(255,255,255,.75)}.aft .lnks a:hover{color:#fff;text-decoration:none}
.aft .cp{width:100%;border-top:1px solid rgba(255,255,255,.12);margin-top:22px;padding-top:18px;
  font-size:12px;color:rgba(255,255,255,.5)}

/* resources index */
.rsx-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px;margin:18px 0 0}
.rsx-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:16px;
  padding:22px;background:#fff;transition:transform .15s,box-shadow .2s}
.rsx-card:hover{transform:translateY(-3px);box-shadow:0 24px 48px -30px rgba(11,27,43,.28);text-decoration:none}
.rsx-card .tag{font-family:var(--fd);font-size:10px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink);background:var(--soft);border-radius:6px;padding:4px 9px;align-self:flex-start}
.rsx-card h3{font-family:var(--fd);font-weight:700;font-size:18px;line-height:1.25;color:#0B1B2B;margin:13px 0 7px}
.rsx-card p{font-size:14px;color:var(--mut);line-height:1.5;margin:0}
.rsx-cluster{font-family:var(--fd);font-weight:700;letter-spacing:-.01em;font-size:22px;
  color:#0B1B2B;margin:44px 0 0}

@media(max-width:600px){
  .sec{padding:40px 0}.phero{padding:40px 0 34px}
  .artbody{font-size:16px}.artbody h2{font-size:23px}
  .ctaband h2{font-size:24px}
}