/* Vaidhya EHM blog theme. Brand palette only: navy #0D2D5E, blue #1565C0,
   gradient to #42A5F5. No per-category rainbow colours. */
:root{
  --navy:#0D2D5E;--navy2:#1C2233;--blue:#1565C0;--blue2:#42A5F5;
  --body:#334155;--muted:#5B6B85;--border:#E6EAF0;--bg:#F7F8FB;--card:#fff;
  --grad:linear-gradient(135deg,#0D2D5E 0%,#1565C0 72%,#42A5F5 100%);
  --head:'Plus Jakarta Sans',Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --sans:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--body);font-family:var(--sans);font-size:18px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:748px;margin:0 auto;padding:0 24px}

/* header */
.topbar{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--border)}
.topbar .wrap{display:flex;align-items:center;gap:12px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-family:var(--head);font-weight:800;font-size:19px;letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#1565C0,#42A5F5);display:inline-flex;position:relative;flex:0 0 auto}
.mark:before,.mark:after{content:"";position:absolute;background:#fff;border-radius:1px;top:50%;left:50%;transform:translate(-50%,-50%)}
.mark:before{width:52%;height:3px}.mark:after{height:52%;width:3px}
.navcta{margin-left:auto;font-family:var(--head);font-weight:600;font-size:14px;color:var(--navy);border:1px solid var(--border);padding:8px 16px;border-radius:999px}
.navcta:hover{border-color:var(--blue);text-decoration:none;background:#fff}

/* pill: single brand style everywhere */
.pill{display:inline-block;font-family:var(--head);font-weight:700;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;padding:5px 11px;border-radius:999px;background:#EAF1FB;color:var(--blue)}
.pill--onDark{background:rgba(255,255,255,.16);color:#fff}

/* masthead */
.masthead{background:var(--grad);color:#fff;position:relative;overflow:hidden}
.masthead:after{content:"";position:absolute;top:-45%;right:-8%;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 60%);pointer-events:none}
.masthead .wrap{position:relative;z-index:1;padding:58px 24px 30px}
.eyebrow{font-family:var(--head);font-weight:700;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.78);margin:0 0 14px}
.masthead h1{font-family:var(--head);font-weight:800;font-size:46px;line-height:1.05;letter-spacing:-.03em;color:#fff;margin:0 0 14px;max-width:720px}
.masthead p{font-size:19px;line-height:1.6;color:rgba(255,255,255,.9);margin:0;max-width:620px}
.catnav{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:10px;padding:22px 0 0}
.chip{font-family:var(--head);font-weight:600;font-size:14px;color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);padding:8px 16px;border-radius:999px}
.chip:hover{text-decoration:none;background:rgba(255,255,255,.22)}
.chip--active{background:#fff;color:var(--navy);border-color:#fff}

/* card grid */
main{padding:40px 0 76px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:24px}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;color:var(--navy2);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}
.card:hover{text-decoration:none;transform:translateY(-3px);box-shadow:0 14px 34px rgba(13,45,94,.12);border-color:#CFE0F6}
.card__art{position:relative;height:132px;background:var(--grad);overflow:hidden}
.card__art:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% -20%,rgba(255,255,255,.25),transparent 55%)}
.card__art .pill{position:absolute;left:16px;bottom:14px;z-index:1}
.card__icon{position:absolute;right:16px;top:14px;width:40px;height:40px;color:#fff;opacity:.96;z-index:1}
.card__icon svg{display:block;width:100%;height:100%}
.feature .card__icon{width:64px;height:64px;right:auto;left:36px;top:36px}
.card__body{display:flex;flex-direction:column;flex:1;padding:20px 22px 20px}
.card h2{font-family:var(--head);font-weight:700;font-size:21px;line-height:1.25;letter-spacing:-.01em;color:var(--navy);margin:0 0 10px}
.card p{color:var(--muted);font-size:15px;line-height:1.55;margin:0 0 18px}
.card .meta{margin-top:auto;color:var(--muted);font-size:13px;font-weight:500}

/* featured card */
.feature{grid-column:1/-1;flex-direction:row}
.feature .card__art{height:auto;flex:0 0 44%;min-height:260px}
.feature .card__body{padding:34px 36px;justify-content:center}
.feature h2{font-size:31px;line-height:1.14;margin-bottom:14px}
.feature p{font-size:17px;margin-bottom:22px}
@media(max-width:760px){.feature{flex-direction:column}.feature .card__art{flex-basis:auto;min-height:150px;height:150px}.masthead h1{font-size:34px}}

/* article */
.article-head{background:#fff;border-bottom:1px solid var(--border)}
.article-head .wrap-narrow{padding:38px 24px 32px}
.crumbs{font-size:14px;color:var(--muted);margin:0 0 16px}
.crumbs a{color:var(--muted)}
.article-head h1{font-family:var(--head);font-weight:800;font-size:42px;line-height:1.1;letter-spacing:-.03em;color:var(--navy);margin:14px 0 16px}
.byline{display:flex;align-items:center;gap:11px;color:var(--muted);font-size:14.5px;font-weight:500}
.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#1565C0,#42A5F5);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-family:var(--head);font-weight:700;font-size:14px}
.hero{width:100%;height:auto;border-radius:14px;border:1px solid var(--border);margin:0 0 10px;display:block}
article{font-size:18.5px;line-height:1.75;color:var(--body)}
article>*:first-child{margin-top:0}
article h2{font-family:var(--head);font-weight:700;font-size:27px;line-height:1.25;letter-spacing:-.02em;color:var(--navy);margin:40px 0 12px}
article h3{font-family:var(--head);font-weight:700;font-size:20px;color:var(--navy);margin:28px 0 8px}
article p{margin:0 0 18px}
article ul{margin:0 0 18px;padding-left:4px;list-style:none}
article li{position:relative;margin:10px 0;padding-left:26px}
article li:before{content:"";position:absolute;left:4px;top:12px;width:7px;height:7px;border-radius:50%;background:var(--blue2)}
article strong{color:var(--navy2);font-weight:600}
article a{color:var(--blue);font-weight:500;text-decoration:underline;text-underline-offset:2px}
article code{background:#EEF2F7;color:#0F2748;padding:2px 7px;border-radius:5px;font-size:.88em}
.endcta{margin:48px 0 0;padding:30px 32px;border-radius:16px;background:var(--grad);color:#fff}
.endcta h3{font-family:var(--head);font-weight:800;font-size:22px;color:#fff;margin:0 0 8px}
.endcta p{color:rgba(255,255,255,.9);margin:0 0 16px;font-size:16px}
.endcta a{display:inline-block;background:#fff;color:var(--navy);font-family:var(--head);font-weight:700;font-size:15px;padding:11px 22px;border-radius:999px}
.endcta a:hover{text-decoration:none;background:#F0F6FF}
.backlink{display:inline-block;margin:32px 0 0;font-family:var(--head);font-weight:600;font-size:15px}

/* footer */
footer{border-top:1px solid var(--border);background:#fff;color:var(--muted);font-size:14px}
footer .wrap{padding:26px 24px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
footer .mark{width:24px;height:24px}
footer .fbrand{font-family:var(--head);font-weight:700;color:var(--navy)}
footer .fnote{margin-left:auto}