/* Algorion Insights — shared styles for the engineering blog.
   Mirrors the main site's brand tokens (Madison Blue / Royal Blue / DM Sans). */
:root{
  --navy:#0E3469; --navy-deep:#0A2647; --blue:#4B5CF2; --blue-2:#3A48D8; --cyan:#7C8CFF;
  --ink:#111111; --slate:#475569; --muted:#64748B; --line:#E2E8F0;
  --bg:#FFFFFF; --bg-soft:#F5F6FE; --bg-soft-2:#ECEEFC;
  --radius:16px; --maxw:760px; --maxw-wide:1120px;
  --shadow:0 1px 2px rgba(14,52,105,.04),0 12px 40px rgba(14,52,105,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"DM Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:"DM Sans",sans-serif;font-weight:700;line-height:1.16;letter-spacing:-.02em;margin:0 0 .5em}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.wrap-wide{max-width:var(--maxw-wide);margin:0 auto;padding:0 24px}
.eyebrow{font-family:"DM Sans";font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  font-size:12.5px;color:var(--blue)}

/* Header — matches main site */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;
  max-width:var(--maxw-wide);margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:10px}
.brand .logo{height:30px;width:auto;display:block}
.navlinks{display:flex;gap:28px;align-items:center}
.navlinks a{color:var(--slate);font-weight:500;font-size:15px}
.navlinks a:hover{color:var(--ink);text-decoration:none}
.navlinks a.btn-primary{color:#fff}
.navlinks a.btn-primary:hover{color:#fff}
.btn{display:inline-flex;align-items:center;gap:.5em;font-weight:600;font-family:"DM Sans";
  padding:9px 18px;border-radius:999px;transition:.18s ease;border:1.5px solid transparent;font-size:15px}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 22px rgba(75,92,242,.30)}
.btn-primary:hover{background:var(--blue-2);transform:translateY(-1px);text-decoration:none;color:#fff}
@media(max-width:720px){.navlinks a:not(.btn){display:none}}

/* Blog index hero */
.bloghero{background:
   radial-gradient(800px 420px at 14% 0%,rgba(75,92,242,.14),transparent 60%),
   var(--bg-soft);
  border-bottom:1px solid var(--line);padding:72px 0 60px}
.bloghero h1{font-size:clamp(30px,4.6vw,46px);margin-top:10px}
.bloghero p{color:var(--slate);font-size:18px;max-width:600px;margin:8px 0 0}

/* Post list */
.posts{padding:56px 0 24px}
.postcard{display:block;border:1px solid var(--line);border-radius:var(--radius);padding:30px;
  background:var(--bg);transition:.18s ease;margin-bottom:22px;color:inherit}
.postcard:hover{transform:translateY(-3px);border-color:#CBD9EE;box-shadow:var(--shadow);text-decoration:none}
.postcard .kicker{font-size:13px;color:var(--blue);font-weight:600;letter-spacing:.04em}
.postcard h2{font-size:23px;margin:10px 0 8px;color:var(--ink)}
.postcard p{color:var(--slate);font-size:16px;margin:0 0 14px}
.postmeta{font-size:13.5px;color:var(--muted);font-weight:500}
.postmeta span{margin-right:14px}

/* Article */
.article{padding:56px 0 40px}
.crumb{font-size:14px;color:var(--muted);margin-bottom:22px}
.crumb a{color:var(--slate)}
.article h1{font-size:clamp(28px,4.4vw,42px);margin:6px 0 16px}
.byline{display:flex;flex-wrap:wrap;gap:14px;align-items:center;color:var(--muted);
  font-size:14.5px;font-weight:500;border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:30px}
.byline .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.lede{font-size:20px;line-height:1.55;color:var(--slate);margin:0 0 30px}
.article h2{font-size:26px;margin:42px 0 12px}
.article h3{font-size:19px;margin:30px 0 8px}
.article p{font-size:17px;color:#23303F;margin:0 0 18px}
.article ul,.article ol{font-size:17px;color:#23303F;padding-left:22px;margin:0 0 20px}
.article li{margin:0 0 9px}
.article strong{color:var(--ink);font-weight:600}
.article a{border-bottom:1px solid rgba(75,92,242,.3)}
.article a:hover{text-decoration:none;border-bottom-color:var(--blue)}
.article blockquote{margin:24px 0;padding:4px 0 4px 22px;border-left:3px solid var(--blue);
  color:var(--slate);font-size:18px}
.article code{font-family:"SF Mono",ui-monospace,Menlo,Consolas,monospace;font-size:14.5px;
  background:var(--bg-soft-2);color:var(--navy);padding:2px 6px;border-radius:6px}
.article pre{background:var(--navy-deep);color:#E6ECF7;border-radius:12px;padding:18px 20px;
  overflow-x:auto;font-size:14px;line-height:1.6;margin:0 0 22px}
.article pre code{background:none;color:inherit;padding:0;font-size:14px}
.callout{background:var(--bg-soft);border:1px solid var(--line);border-left:3px solid var(--blue);
  border-radius:12px;padding:20px 22px;margin:26px 0;font-size:16px;color:#23303F}
.callout b{color:var(--navy)}
.takeaways{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 28px;margin:34px 0}
.takeaways h3{margin:0 0 12px;font-size:17px}
.takeaways ul{margin:0;padding-left:20px}

/* CTA after article */
.endcta{background:linear-gradient(165deg,#0C2D5C,var(--navy) 60%,var(--navy-deep));
  color:#fff;border-radius:var(--radius);padding:34px 32px;margin:46px 0 0;text-align:center}
.endcta h3{color:#fff;font-size:22px;margin:0 0 8px}
.endcta p{color:#CBD9EE;margin:0 0 18px;font-size:16px}
.endcta .btn-light{background:#fff;color:var(--navy)}
.endcta .btn-light:hover{background:#EAF2FC;text-decoration:none}

/* Footer — matches main site */
footer{border-top:1px solid var(--line);background:var(--navy-deep);color:#fff;margin-top:60px}
.foot{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;
  padding:32px 24px;max-width:var(--maxw-wide);margin:0 auto;font-size:14px;color:#9FB6D6}
.foot a{color:#CBD9EE}
.foot .logo{height:26px;filter:brightness(0) invert(1)}