/* EA Consultancy study guides: shared by the English guide pages and the Bangla versions in /bn */
:root{color-scheme:dark;--bg:#07051a;--bg2:#0f0b2e;--ink:#f1eeff;--muted:#b3acd9;--cy:#2de2e6;--pk:#ff3d8b;--vi:#7a5cff;--glass:rgba(255,255,255,.06);--line:rgba(255,255,255,.14)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17.5px/1.7 Outfit,system-ui,"Segoe UI",sans-serif;
 background-image:radial-gradient(900px 500px at 90% -10%,rgba(255,61,139,.16),transparent 60%),radial-gradient(800px 600px at -10% 30%,rgba(45,226,230,.10),transparent 60%),radial-gradient(700px 500px at 50% 0,rgba(122,92,255,.16),transparent 60%);background-attachment:fixed}
:lang(bn) body,body:lang(bn){font-family:"Hind Siliguri","Noto Sans Bengali",Outfit,system-ui,sans-serif;line-height:1.8}
h1,h2,h3{font-family:Unbounded,Outfit,sans-serif;font-weight:700;line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
:lang(bn) h1,:lang(bn) h2,:lang(bn) h3{font-family:"Hind Siliguri","Noto Sans Bengali",sans-serif;letter-spacing:0;line-height:1.35}
h1{font-size:clamp(30px,5.2vw,50px)}
h1 em{font-style:normal;background:linear-gradient(90deg,var(--cy),var(--vi),var(--pk));-webkit-background-clip:text;background-clip:text;color:transparent}
h2{font-size:clamp(21px,3vw,28px);margin-top:1.8em}
h3{font-size:18px;margin-top:1.4em}
p{margin:0 0 1em}
a{color:var(--cy);text-underline-offset:3px}
.wrap{width:min(1080px,100% - 32px);margin:0 auto}
/* top bar */
.gt{position:sticky;top:0;z-index:5;background:rgba(7,5,26,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.gt .wrap{display:flex;align-items:center;gap:14px;min-height:64px}
.gt .br{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font:700 14px Unbounded,sans-serif;margin-right:auto}
.gt .br img{width:38px;height:38px;border-radius:10px;background:#fff;padding:3px}
.gt nav{display:flex;gap:6px;align-items:center}
.gt nav a{color:var(--ink);text-decoration:none;font-size:15px;padding:8px 10px;border-radius:10px}
.gt nav a:hover{background:var(--glass)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:14px;background:linear-gradient(90deg,var(--cy),var(--vi));color:#07051a!important;font-weight:700;text-decoration:none;border:0;box-shadow:0 10px 30px rgba(122,92,255,.35)}
.btn.gh{background:transparent;color:var(--ink)!important;border:1px solid var(--line);box-shadow:none}
.gt .btn{padding:9px 14px;font-size:14px}
@media(max-width:760px){.gt nav .hm{display:none}}
.gt nav a{white-space:nowrap}
@media(max-width:480px){.gt .br span{display:none}.gt .wrap{gap:8px}.gt .btn{padding:8px 12px;font-size:13.5px}.lang{font-size:13px;padding:6px 8px}.fact{padding:14px}.fact b{font-size:17px}}
/* hero */
.crumb{font-size:14px;color:var(--muted);margin:26px 0 16px}
.crumb a{color:var(--muted)}
.hero{padding:6px 0 10px}
.lead{font-size:clamp(17px,2.2vw,20px);color:#d9d3ff;max-width:780px}
.meta{font-size:14px;color:var(--muted);margin:14px 0 22px}
.acts{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0 8px}
/* facts */
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:26px 0 8px}
.fact{background:var(--glass);border:1px solid var(--line);border-radius:18px;padding:16px 18px}
.fact b{display:block;font:700 19px/1.3 Unbounded,Outfit,sans-serif;color:var(--ink)}
:lang(bn) .fact b{font-family:"Hind Siliguri",sans-serif;font-size:20px}
.fact span{font-size:14.5px;color:var(--muted)}
/* layout */
.grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start;margin-top:10px}
@media(max-width:900px){.grid{grid-template-columns:1fr}.side{position:static!important}}
.side{position:sticky;top:86px;display:grid;gap:14px}
.card{background:var(--glass);border:1px solid var(--line);border-radius:20px;padding:20px}
.card h3{margin-top:0;font-size:16px}
.toc ol{margin:0;padding-left:20px;font-size:15px}
.toc a{color:var(--ink);text-decoration:none}
.toc a:hover{color:var(--cy)}
article ul,article ol{padding-left:22px;margin:0 0 1.1em}
article li{margin:.3em 0}
.steps{counter-reset:s;list-style:none;padding:0!important}
.steps li{counter-increment:s;position:relative;padding:12px 14px 12px 58px;background:var(--glass);border:1px solid var(--line);border-radius:16px;margin:10px 0}
.steps li:before{content:counter(s);position:absolute;left:14px;top:12px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font:700 14px Unbounded,sans-serif;background:linear-gradient(135deg,var(--cy),var(--vi));color:#07051a}
.note{border-left:4px solid var(--pk);background:rgba(255,61,139,.08);padding:14px 16px;border-radius:0 14px 14px 0;margin:16px 0}
.ok{border-left-color:var(--cy);background:rgba(45,226,230,.08)}
table{width:100%;border-collapse:collapse;margin:8px 0 18px;font-size:16px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:14px}
.tw{overflow-x:auto}
details{background:var(--glass);border:1px solid var(--line);border-radius:16px;padding:4px 18px;margin:10px 0}
summary{cursor:pointer;font-weight:600;padding:12px 0;list-style:none}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";float:right;color:var(--cy);font-size:20px;line-height:1}
details[open] summary:after{content:"–"}
.cta{margin:40px 0;padding:28px;border-radius:24px;background:linear-gradient(135deg,rgba(45,226,230,.14),rgba(122,92,255,.18),rgba(255,61,139,.14));border:1px solid var(--line)}
.cta h2{margin-top:0}
.src{font-size:14.5px;color:var(--muted)}
.src li{margin:.35em 0}
.src a{color:var(--muted)}
.rel{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:12px 0 30px}
.rel a{display:block;padding:16px;border-radius:16px;background:var(--glass);border:1px solid var(--line);color:var(--ink);text-decoration:none;font-weight:600}
.rel a:hover{border-color:var(--cy)}
.gf{border-top:1px solid var(--line);margin-top:30px;padding:24px 0 40px;font-size:14.5px;color:var(--muted)}
.gf a{color:var(--ink)}
.lang{font-size:14px;color:var(--ink);text-decoration:none;border:1px solid var(--line);padding:7px 10px;border-radius:10px}
@media print{.gt,.side,.cta{display:none}body{background:#fff;color:#000}}