/* Neurobird blog — editorial, readable, on-brand (lime/navy, Satoshi) */
:root{
  --lime:#F5FFAB; --white:#fff; --navy:#17172B; --blue:#3431A5; --ink:#0e0e1c;
  --muted:rgba(255,255,255,.62); --rule:rgba(255,255,255,.14); --max:760px;
  --pad:clamp(20px,4vw,40px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Satoshi",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  background:var(--navy);color:var(--white);line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:clip;
}
a{color:inherit}
img{max-width:100%;display:block}

/* top bar */
.bnav{display:flex;align-items:center;justify-content:space-between;gap:16px;
  max-width:var(--max);margin:0 auto;padding:22px var(--pad);}
.bnav__brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:900;letter-spacing:-.01em;font-size:18px}
.bnav__brand img{width:26px;height:26px}
.bnav__links{display:flex;gap:22px;align-items:center}
.bnav__links a{text-decoration:none;color:var(--muted);font-size:14px;font-weight:600;transition:color .2s}
.bnav__links a:hover{color:#fff}
.bnav__cta{background:var(--lime);color:var(--navy)!important;padding:9px 16px;border-radius:8px;font-weight:800;font-size:13px;letter-spacing:.04em;text-transform:uppercase}
@media(max-width:600px){.bnav__links a:not(.bnav__cta){display:none}}

/* article */
.article{max-width:var(--max);margin:0 auto;padding:0 var(--pad) 80px}
.article__eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin:clamp(24px,5vw,48px) 0 18px}
.article__h1{font-size:clamp(32px,5.2vw,52px);font-weight:900;letter-spacing:-.025em;line-height:1.05;margin-bottom:22px}
.article__meta{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;color:var(--muted);font-size:14px;margin-bottom:30px}
.article__meta time{color:var(--muted)}
.article__hero{border-radius:16px;overflow:hidden;border:1px solid var(--rule);margin-bottom:clamp(32px,5vw,48px);aspect-ratio:1024/576;background:var(--ink)}
.article__hero img{width:100%;height:100%;object-fit:cover}

/* lede */
.article__lede{font-size:clamp(18px,2vw,21px);line-height:1.6;color:#eef0ff;margin-bottom:30px;font-weight:500}

/* prose */
.prose h2{font-size:clamp(24px,3vw,32px);font-weight:900;letter-spacing:-.02em;line-height:1.12;margin:clamp(38px,5vw,56px) 0 16px}
.prose h3{font-size:clamp(19px,2vw,23px);font-weight:800;letter-spacing:-.01em;margin:32px 0 12px}
.prose p{margin:0 0 20px;font-size:17px;color:#e6e8f5}
.prose a{color:var(--lime);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose ul,.prose ol{margin:0 0 22px;padding-left:24px}
.prose li{margin:0 0 10px;font-size:17px;color:#e6e8f5}
.prose li::marker{color:var(--lime)}
.prose strong{color:#fff;font-weight:800}
.prose code{background:rgba(255,255,255,.08);border:1px solid var(--rule);border-radius:5px;padding:1px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em;color:var(--lime)}
.prose img{border-radius:14px;border:1px solid var(--rule);margin:clamp(28px,4vw,40px) 0}
.prose figure{margin:clamp(28px,4vw,40px) 0}
.prose figcaption{font-size:13px;color:var(--muted);margin-top:10px;text-align:center}

/* key takeaway / answer box (answer-first, AI loves these) */
.tldr{background:rgba(245,255,171,.06);border:1px solid rgba(245,255,171,.3);border-radius:14px;padding:clamp(18px,2.5vw,26px);margin:0 0 34px}
.tldr b{display:block;color:var(--lime);font-size:12px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px}
.tldr p{margin:0;font-size:16px;color:#eef0ff;line-height:1.6}

/* tables (AI engines extract these well) */
.prose table{width:100%;border-collapse:collapse;margin:0 0 28px;font-size:15px;border:1px solid var(--rule);border-radius:12px;overflow:hidden}
.prose th,.prose td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--rule)}
.prose th{background:rgba(255,255,255,.05);font-weight:800;color:#fff;font-size:13px;letter-spacing:.02em}
.prose tr:last-child td{border-bottom:none}
.prose td{color:#dfe2f2}

/* pull stat */
.statline{border-left:2px solid var(--lime);padding:4px 0 4px 18px;margin:0 0 24px;font-size:18px;color:#fff;font-weight:600}

/* FAQ in-article */
.afaq{margin:clamp(36px,5vw,52px) 0 0;border-top:1.5px solid var(--white);padding-top:8px}
.afaq details{border-bottom:1px solid var(--rule)}
.afaq summary{cursor:pointer;list-style:none;font-weight:700;font-size:17px;padding:18px 0;display:flex;justify-content:space-between;gap:14px}
.afaq summary::-webkit-details-marker{display:none}
.afaq summary::after{content:"+";color:var(--lime);font-weight:800}
.afaq details[open] summary::after{content:"\2212"}
.afaq p{padding:0 0 18px;color:var(--muted);font-size:16px;margin:0}

/* end CTA */
.endcta{background:var(--lime);color:var(--navy);border-radius:16px;padding:clamp(26px,4vw,40px);margin:clamp(40px,6vw,64px) 0 0;text-align:center}
.endcta h3{font-size:clamp(22px,3vw,30px);font-weight:900;letter-spacing:-.02em;margin-bottom:10px}
.endcta p{color:rgba(23,23,43,.78);font-size:16px;margin-bottom:20px;max-width:48ch;margin-left:auto;margin-right:auto}
.endcta a{display:inline-block;background:var(--navy);color:var(--lime);text-decoration:none;font-weight:800;font-size:14px;letter-spacing:.04em;text-transform:uppercase;padding:14px 26px;border-radius:9px;transition:transform .15s}
.endcta a:hover{transform:translateY(-2px)}

/* related / footer */
.bfoot{max-width:var(--max);margin:0 auto;padding:40px var(--pad);border-top:1px solid var(--rule);color:var(--muted);font-size:14px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}
.bfoot a{color:var(--muted);text-decoration:none}
.bfoot a:hover{color:#fff}

/* blog index */
.bindex{max-width:var(--max);margin:0 auto;padding:0 var(--pad) 80px}
.bindex__head{padding:clamp(30px,6vw,64px) 0 clamp(28px,4vw,44px)}
.bindex__h1{font-size:clamp(36px,6vw,64px);font-weight:900;letter-spacing:-.025em;line-height:1}
.bindex__sub{color:var(--muted);font-size:clamp(16px,1.6vw,19px);margin-top:16px;max-width:54ch}
.bcard{display:grid;grid-template-columns:minmax(0,220px) 1fr;gap:clamp(18px,2.5vw,30px);text-decoration:none;color:inherit;padding:clamp(20px,3vw,28px) 0;border-top:1px solid var(--rule);align-items:center}
.bcard:first-of-type{border-top:1.5px solid var(--white)}
.bcard__shot{border-radius:12px;overflow:hidden;border:1px solid var(--rule);aspect-ratio:1024/576;background:var(--ink)}
.bcard__shot img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.bcard:hover .bcard__shot img{transform:scale(1.04)}
.bcard__eyebrow{color:var(--lime);font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.bcard__title{font-size:clamp(20px,2.4vw,27px);font-weight:900;letter-spacing:-.02em;line-height:1.12;margin:8px 0 8px}
.bcard__desc{color:var(--muted);font-size:15px;line-height:1.5}
.bcard__meta{color:var(--muted);font-size:13px;margin-top:10px}
@media(max-width:620px){.bcard{grid-template-columns:1fr}}