/* =========================================================
   এডুজব একাডেমি — ডিজাইন সিস্টেম
   মোবাইল-ফার্স্ট · বাংলা টাইপোগ্রাফি · হালকা ও দ্রুত
   ========================================================= */

:root{
  --brand:#0f9d58; --brand-d:#0b7a44; --brand-l:#e7f6ee;
  --accent:#2f6df6; --accent-l:#e9f0ff;
  --ink:#101a2c; --ink-2:#3b4a63; --muted:#6b7a94; --faint:#98a5ba;
  --bg:#f5f7fb; --card:#ffffff; --line:#e4e9f2; --line-2:#eef2f8;
  --ok:#12924a; --ok-bg:#e6f7ed;
  --bad:#d93843; --bad-bg:#fdeaeb;
  --warn:#b4760a; --warn-bg:#fdf4e3;
  --info:#1c6ea4; --info-bg:#e7f2fa;
  --gold:#e0a800;
  --r:14px; --r-s:10px; --r-l:20px;
  --sh-1:0 1px 2px rgba(16,26,44,.05), 0 1px 8px rgba(16,26,44,.04);
  --sh-2:0 2px 6px rgba(16,26,44,.06), 0 10px 30px rgba(16,26,44,.07);
  --sh-3:0 8px 20px rgba(16,26,44,.10), 0 24px 60px rgba(16,26,44,.10);
  --header-h:60px;
  --maxw:1180px;
  --font-bn:"Hind Siliguri","Noto Sans Bengali","SolaimanLipi","Kalpurush",
            system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-en:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--font-bn); font-size:16px; line-height:1.75;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.35;margin:0 0 .5em;font-weight:700;color:var(--ink)}
h1{font-size:clamp(24px,4.2vw,34px)}
h2{font-size:clamp(20px,3.2vw,26px)}
h3{font-size:clamp(17px,2.6vw,20px)}
h4{font-size:16px}
p{margin:0 0 1em}
hr{border:0;border-top:1px solid var(--line);margin:26px 0}
code,kbd,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em}
code{background:#eef2f8;padding:.1em .4em;border-radius:5px}
pre{background:#0e1726;color:#dbe6f7;padding:16px;border-radius:var(--r);overflow-x:auto;line-height:1.6}
:focus-visible{outline:3px solid #7fb0ff;outline-offset:2px;border-radius:4px}
::selection{background:#c8e6d4;color:#08281a}

/* ---------- লেআউট ---------- */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 18px}
.container-narrow{max-width:820px}
main{min-height:calc(100vh - var(--header-h) - 80px)}
section.block{margin:46px 0}
@media(min-width:860px){section.block{margin:64px 0}}
.row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.row-between{display:flex;gap:14px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.grow{flex:1 1 auto;min-width:0}
.stack>*+*{margin-top:12px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.g6{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
.hide-mob{display:none}
@media(min-width:860px){.hide-mob{display:initial}}
.only-mob{display:initial}
@media(min-width:860px){.only-mob{display:none}}

/* ---------- ব্যানার ---------- */
.topbanner{background:linear-gradient(90deg,#0b3d2e,#12563f);color:#d8f5e5;
  font-size:14px;text-align:center;padding:8px 14px}
.topbanner a{color:#a7f3c9;font-weight:700;text-decoration:underline}

/* ---------- হেডার ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:12px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;color:var(--ink);letter-spacing:-.2px}
.brand:hover{text-decoration:none}
.brand .logo{width:34px;height:34px;flex:none}
.brand small{display:block;font-size:10.5px;font-weight:600;color:var(--muted);letter-spacing:.06em;margin-top:-4px}
.nav{display:none;gap:2px;margin-left:8px}
@media(min-width:1000px){.nav{display:flex}}
.nav a{padding:7px 11px;border-radius:9px;color:var(--ink-2);font-size:15px;font-weight:600}
.nav a:hover{background:var(--line-2);color:var(--brand-d);text-decoration:none}
.nav a.active{background:var(--brand-l);color:var(--brand-d)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.icon-btn{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);cursor:pointer;font-size:17px}
.icon-btn:hover{border-color:var(--brand);color:var(--brand-d);background:var(--brand-l)}
.drawer{position:fixed;inset:var(--header-h) 0 0;background:#fff;z-index:55;overflow-y:auto;
  padding:14px 18px 40px;transform:translateX(-100%);transition:transform .22s ease;
  border-right:1px solid var(--line)}
.drawer.open{transform:none;box-shadow:var(--sh-3)}
.drawer a{display:flex;align-items:center;gap:10px;padding:12px 12px;border-radius:11px;
  color:var(--ink);font-weight:600;border-bottom:1px solid var(--line-2)}
.drawer a:hover{background:var(--brand-l);text-decoration:none}
.drawer .sec{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);
  margin:20px 0 6px;padding-left:12px;font-weight:700}
.backdrop{position:fixed;inset:0;background:rgba(10,18,32,.42);z-index:50;opacity:0;
  pointer-events:none;transition:opacity .2s}
.backdrop.show{opacity:1;pointer-events:auto}

/* ---------- বাটন ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:11px;border:1px solid transparent;background:var(--brand);
  color:#fff;font-family:inherit;font-size:15px;font-weight:700;cursor:pointer;
  text-align:center;line-height:1.35;transition:transform .12s,box-shadow .15s,background .15s}
.btn:hover{background:var(--brand-d);text-decoration:none;box-shadow:var(--sh-1)}
.btn:active{transform:translateY(1px)}
.btn-lg{padding:13px 24px;font-size:16.5px;border-radius:13px}
.btn-sm{padding:6px 12px;font-size:13.5px;border-radius:9px}
.btn-block{width:100%}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--line-2);border-color:var(--faint);color:var(--ink)}
.btn-outline{background:transparent;color:var(--brand-d);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand-l)}
.btn-accent{background:var(--accent)}
.btn-accent:hover{background:#1d57d6}
.btn-danger{background:var(--bad)}.btn-danger:hover{background:#b32b35}
.btn-dark{background:#16233a}.btn-dark:hover{background:#0d1729}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none}

/* ---------- কার্ড ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:20px;box-shadow:var(--sh-1)}
.card-pad{padding:24px}
.card-hover{transition:transform .16s,box-shadow .16s,border-color .16s}
.card-hover:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#cfe0f5;text-decoration:none}
.card-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.card-title{font-size:17px;font-weight:700;margin:0;color:var(--ink)}
.card-sub{font-size:13.5px;color:var(--muted);margin:0}
.tile{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:16px;color:var(--ink);transition:all .16s}
.tile:hover{border-color:var(--brand);background:linear-gradient(180deg,#fff,#f4fbf7);
  box-shadow:var(--sh-2);text-decoration:none;transform:translateY(-2px)}
.tile .ico{font-size:26px;line-height:1}
.tile .ttl{font-weight:700;margin-top:8px;font-size:15.5px}
.tile .meta{font-size:12.5px;color:var(--muted);margin-top:3px}

/* ---------- ব্যাজ / পিল ---------- */
.pill{display:inline-flex;align-items:center;gap:5px;padding:2.5px 10px;border-radius:999px;
  font-size:12.5px;font-weight:700;line-height:1.7;white-space:nowrap;border:1px solid transparent}
.pill-brand{background:var(--brand-l);color:var(--brand-d);border-color:#c3e8d3}
.pill-accent{background:var(--accent-l);color:#1d57d6;border-color:#c9dcff}
.pill-ok{background:var(--ok-bg);color:var(--ok);border-color:#bfe8cd}
.pill-bad{background:var(--bad-bg);color:var(--bad);border-color:#f6ccd0}
.pill-warn{background:var(--warn-bg);color:var(--warn);border-color:#f2ddb0}
.pill-info{background:var(--info-bg);color:var(--info);border-color:#c6ddec}
.pill-mut{background:#eef1f7;color:var(--muted);border-color:#e0e5ee}
.pill-gold{background:#fdf3d6;color:#8a6a00;border-color:#f0dda4}
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);font-size:14px;font-weight:600}
.chip:hover{border-color:var(--brand);color:var(--brand-d);text-decoration:none;background:var(--brand-l)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block;flex:none}

/* ---------- হিরো ---------- */
.hero{position:relative;overflow:hidden;background:
   radial-gradient(1100px 420px at 12% -10%,#dff3e8 0%,transparent 60%),
   radial-gradient(900px 400px at 92% 0%,#dde9ff 0%,transparent 62%),
   linear-gradient(180deg,#fff, #f7fafc);
  border-bottom:1px solid var(--line);padding:58px 0 48px}
.hero h1{font-size:clamp(27px,5vw,44px);letter-spacing:-.6px;margin-bottom:10px}
.hero .grad{background:linear-gradient(92deg,var(--brand) 5%,var(--accent) 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:clamp(15.5px,2.3vw,18.5px);color:var(--ink-2);max-width:660px;margin:0 0 20px}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.statbar{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:8px}
@media(min-width:720px){.statbar{grid-template-columns:repeat(4,1fr)}}
.stat{background:rgba(255,255,255,.8);border:1px solid var(--line);border-radius:var(--r);
  padding:12px 14px;box-shadow:var(--sh-1)}
.stat b{display:block;font-size:clamp(19px,3.4vw,25px);font-weight:800;color:var(--ink);line-height:1.25}
.stat span{font-size:12.5px;color:var(--muted);font-weight:600}

/* ---------- ব্রেডক্রাম্ব ---------- */
.crumbs{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:13.5px;color:var(--muted);margin:16px 0 4px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand-d)}
.crumbs .sep{opacity:.5}
.crumbs .cur{color:var(--ink);font-weight:600}

/* ---------- প্রশ্ন ---------- */
.q-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-bottom:14px;box-shadow:var(--sh-1)}
.q-head{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:12px;font-size:13px;
  padding-bottom:10px;border-bottom:1px dashed var(--line)}
.q-no{font-weight:800;color:var(--brand-d);font-size:15px}
.q-stem{font-size:16.5px;line-height:1.85;margin:0 0 14px;color:var(--ink);font-weight:500}
.q-stem .math{font-family:var(--font-en)}
.opts{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.opt{display:flex;gap:11px;align-items:flex-start;padding:11px 13px;border:1.5px solid var(--line);
  border-radius:12px;background:#fff;cursor:pointer;transition:all .13s;font-size:15.5px;line-height:1.6}
.opt:hover{border-color:#b9d9c7;background:#f8fdfa}
.opt input{margin-top:5px;accent-color:var(--brand);width:16px;height:16px;flex:none}
.opt .key{flex:none;width:26px;height:26px;border-radius:8px;background:var(--line-2);
  color:var(--ink-2);font-weight:800;display:grid;place-items:center;font-size:13.5px}
.opt.selected{border-color:var(--accent);background:var(--accent-l)}
.opt.selected .key{background:var(--accent);color:#fff}
.opt.correct{border-color:var(--ok);background:var(--ok-bg)}
.opt.correct .key{background:var(--ok);color:#fff}
.opt.wrong{border-color:var(--bad);background:var(--bad-bg)}
.opt.wrong .key{background:var(--bad);color:#fff}
.opt.locked{cursor:default}
.opt.locked:hover{border-color:var(--line);background:#fff}
.opt.locked.correct:hover{border-color:var(--ok);background:var(--ok-bg)}
.opt.locked.wrong:hover{border-color:var(--bad);background:var(--bad-bg)}
.expl{margin-top:14px;border-top:1px dashed var(--line);padding-top:14px}
.expl .lbl{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:800;
  letter-spacing:.04em;color:var(--brand-d);background:var(--brand-l);padding:3px 10px;border-radius:7px;margin-bottom:8px}
.expl p{font-size:15.5px;line-height:1.9;color:var(--ink-2);margin:0}
.expl .ref{font-size:13px;color:var(--muted);margin-top:8px;padding-left:10px;border-left:3px solid var(--line)}

/* ---------- পরীক্ষা রানার ---------- */
.exam-shell{min-height:100vh;background:var(--bg);display:flex;flex-direction:column}
.exam-top{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line);
  padding:10px 0;box-shadow:var(--sh-1)}
.exam-top-in{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.timer{font-variant-numeric:tabular-nums;font-weight:800;font-size:19px;padding:5px 13px;
  border-radius:10px;background:#16233a;color:#fff;letter-spacing:.02em}
.timer.warn{background:var(--warn);color:#fff;animation:pulse 1s infinite}
.timer.danger{background:var(--bad);color:#fff;animation:pulse .6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.6}}
.exam-body{flex:1;padding:20px 0 120px}
.exam-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:980px){.exam-grid{grid-template-columns:1fr 240px;align-items:start}}
.palette{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px;position:sticky;top:76px}
.palette .grid-q{display:grid;grid-template-columns:repeat(auto-fill,minmax(34px,1fr));gap:6px;margin-top:8px}
.qbtn{aspect-ratio:1;border-radius:9px;border:1.5px solid var(--line);background:#fff;cursor:pointer;
  font-family:inherit;font-weight:700;font-size:13.5px;color:var(--ink-2);display:grid;place-items:center}
.qbtn:hover{border-color:var(--brand)}
.qbtn.answered{background:var(--ok);border-color:var(--ok);color:#fff}
.qbtn.current{outline:3px solid #9dc2ff;outline-offset:1px}
.exam-nav{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);
  padding:10px 0;z-index:40;box-shadow:0 -4px 18px rgba(16,26,44,.07)}
.exam-nav-in{display:flex;gap:10px;align-items:center;justify-content:space-between}

/* ---------- রেজাল্ট ---------- */
.score-ring{--p:0;width:150px;height:150px;border-radius:50%;flex:none;
  background:conic-gradient(var(--brand) calc(var(--p)*1%), var(--line-2) 0);
  display:grid;place-items:center;position:relative}
.score-ring::before{content:"";position:absolute;inset:11px;background:#fff;border-radius:50%}
.score-ring .val{position:relative;text-align:center}
.score-ring .val b{display:block;font-size:31px;font-weight:800;line-height:1.1;color:var(--ink)}
.score-ring .val span{font-size:12.5px;color:var(--muted);font-weight:600}
.metric{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px 14px;text-align:center;
  display:flex;flex-direction:column;justify-content:center;min-height:108px}
.metric b{display:block;font-size:22px;font-weight:800;color:var(--ink);line-height:1.3}
.metric span{font-size:12.5px;color:var(--muted);font-weight:600}
.metric.ok b{color:var(--ok)}.metric.bad b{color:var(--bad)}.metric.warn b{color:var(--warn)}
.progress{height:8px;background:var(--line-2);border-radius:99px;overflow:hidden}
.progress > i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),#4cc38a);border-radius:99px}

/* ---------- টেবিল ---------- */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
table.tbl{width:100%;border-collapse:collapse;font-size:14.5px;min-width:520px}
table.tbl th,table.tbl td{padding:11px 13px;text-align:left;border-bottom:1px solid var(--line-2);vertical-align:top}
table.tbl th{background:#f7f9fc;font-size:12.5px;letter-spacing:.04em;color:var(--muted);
  font-weight:700;text-transform:uppercase;white-space:nowrap}
table.tbl tr:last-child td{border-bottom:none}
table.tbl tbody tr:hover{background:#fafcfe}
table.tbl td.num{font-variant-numeric:tabular-nums;white-space:nowrap}

/* ---------- ফর্ম ---------- */
.field{margin-bottom:15px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink-2);margin-bottom:6px}
.input,.select,.textarea{width:100%;padding:10px 13px;border:1.5px solid var(--line);border-radius:11px;
  background:#fff;font-family:inherit;font-size:15.5px;color:var(--ink);transition:border-color .14s,box-shadow .14s}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,157,88,.14)}
.textarea{min-height:110px;resize:vertical;line-height:1.7}
.hint{font-size:12.5px;color:var(--muted);margin-top:5px}
.form-row{display:grid;gap:12px}
@media(min-width:640px){.form-row.c2{grid-template-columns:1fr 1fr}}
.check{display:flex;gap:9px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);cursor:pointer}
.check input{margin-top:5px;accent-color:var(--brand);width:16px;height:16px}

/* ---------- অ্যালার্ট ---------- */
.alert{padding:13px 15px;border-radius:12px;font-size:14.5px;line-height:1.7;margin-bottom:16px;border:1px solid}
.alert-ok{background:var(--ok-bg);border-color:#bfe8cd;color:#0d6b38}
.alert-bad{background:var(--bad-bg);border-color:#f6ccd0;color:#9d2530}
.alert-warn{background:var(--warn-bg);border-color:#f2ddb0;color:#8a5a06}
.alert-info{background:var(--accent-l);border-color:#c9dcff;color:#1c4bb8}
.alert b{font-weight:800}

/* ---------- সার্চ ---------- */
.searchbar{display:flex;gap:8px;background:#fff;border:1.5px solid var(--line);border-radius:14px;
  padding:6px;box-shadow:var(--sh-1);align-items:center}
.searchbar input{flex:1;border:0;outline:none;padding:9px 12px;font-family:inherit;font-size:16px;background:transparent;color:var(--ink)}
.searchbar .btn{flex:none}
.search-hero .searchbar{box-shadow:var(--sh-2)}

/* ---------- পেজিনেশন ---------- */
.pager{display:flex;gap:6px;justify-content:center;align-items:center;flex-wrap:wrap;margin:32px 0 8px}
.pager a,.pager span{min-width:38px;height:38px;display:grid;place-items:center;padding:0 11px;
  border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink-2);font-weight:700;font-size:14.5px}
.pager a:hover{border-color:var(--brand);color:var(--brand-d);text-decoration:none;background:var(--brand-l)}
.pager .cur{background:var(--brand);border-color:var(--brand);color:#fff}
.pager .gap{border:0;background:transparent;color:var(--faint)}

/* ---------- প্রাইসিং ---------- */
.plan{background:#fff;border:1.5px solid var(--line);border-radius:var(--r-l);padding:24px;
  display:flex;flex-direction:column;position:relative;transition:all .18s}
.plan:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.plan.pop{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-l),var(--sh-2)}
.plan .tagpop{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--brand);
  color:#fff;font-size:12px;font-weight:800;padding:3px 13px;border-radius:999px;white-space:nowrap}
.plan .price{font-size:34px;font-weight:800;line-height:1.15;color:var(--ink);letter-spacing:-.5px}
.plan .price small{font-size:14px;font-weight:600;color:var(--muted)}
.plan .mrp{color:var(--faint);text-decoration:line-through;font-size:14.5px;font-weight:600}
.plan ul{list-style:none;margin:16px 0;padding:0;flex:1}
.plan li{padding:7px 0 7px 26px;position:relative;font-size:14.5px;color:var(--ink-2);border-bottom:1px dashed var(--line-2)}
.plan li:last-child{border-bottom:none}
.plan li::before{content:"✓";position:absolute;left:0;top:7px;color:var(--brand);font-weight:800}
.plan li.no{color:var(--faint)}
.plan li.no::before{content:"✕";color:var(--faint)}

/* ---------- FAQ ---------- */
details.faq{background:#fff;border:1px solid var(--line);border-radius:var(--r);margin-bottom:10px;overflow:hidden}
details.faq summary{padding:16px 20px;font-weight:700;cursor:pointer;list-style:none;
  display:flex;gap:12px;align-items:center;font-size:16px;color:var(--ink)}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";margin-left:auto;font-size:22px;font-weight:400;color:var(--muted);transition:transform .2s}
details.faq[open] summary::after{content:"−"}
details.faq[open] summary{border-bottom:1px solid var(--line-2);background:#fafcfe}
details.faq .a{padding:15px 18px;color:var(--ink-2);font-size:15px;line-height:1.85}

/* ---------- CMS পেজ ---------- */
.prose{font-size:16.5px;line-height:1.95;color:var(--ink-2)}
.prose h2{margin-top:1.6em}
.prose h3{margin-top:1.4em;color:var(--ink)}
.prose ul,.prose ol{padding-left:1.4em;margin-bottom:1em}
.prose li{margin-bottom:.4em}
.prose strong{color:var(--ink)}
.prose a{text-decoration:underline}

/* ---------- অ্যাডমিন ---------- */
.admin-shell{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:940px){.admin-shell{grid-template-columns:216px 1fr;align-items:start}}
.admin-side{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:10px;position:sticky;top:78px}
.admin-side a{display:flex;align-items:center;gap:9px;padding:10px 12px;border-radius:10px;
  color:var(--ink-2);font-weight:600;font-size:14.5px}
.admin-side a:hover{background:var(--line-2);text-decoration:none}
.admin-side a.active{background:var(--brand-l);color:var(--brand-d);font-weight:700}

/* ---------- ফুটার ---------- */
.site-footer{background:#0d1626;color:#a9b6cb;margin-top:52px;padding:42px 0 22px;font-size:14.5px}
.site-footer h4{color:#fff;font-size:14px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px}
.site-footer a{color:#a9b6cb;display:block;padding:4px 0}
.site-footer a:hover{color:#fff;text-decoration:none}
.foot-grid{display:grid;gap:28px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.foot-bottom{margin-top:30px;padding-top:18px;border-top:1px solid #1e2c44;display:flex;
  gap:12px;flex-wrap:wrap;justify-content:space-between;font-size:13.5px;color:#7e8ca5}

/* ---------- ইউটিলিটি ---------- */
.muted{color:var(--muted)}.faint{color:var(--faint)}
.small{font-size:13.5px}.xsmall{font-size:12.5px}
.b{font-weight:700}.xb{font-weight:800}
.center{text-align:center}.right{text-align:right}
.mt0{margin-top:0}.mt1{margin-top:8px}.mt2{margin-top:16px}.mt3{margin-top:26px}.mt4{margin-top:40px}
.mb0{margin-bottom:0}.mb1{margin-bottom:8px}.mb2{margin-bottom:16px}.mb3{margin-bottom:26px}
.p0{padding:0}.p2{padding:16px}.p3{padding:24px}
.flex{display:flex}.items-center{align-items:center}.gap1{gap:8px}.gap2{gap:14px}.wrap{flex-wrap:wrap}
.between{justify-content:space-between}
.w-full{width:100%}
.hidden{display:none!important}
.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.num{font-variant-numeric:tabular-nums}
.empty{text-align:center;padding:44px 20px;color:var(--muted)}
.empty .ico{font-size:44px;margin-bottom:10px;opacity:.5}
.divider{height:1px;background:var(--line);margin:24px 0}
.section-head{display:flex;gap:14px;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;margin-bottom:22px}
.section-head p{margin:0;color:var(--muted);font-size:14.5px;max-width:640px}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.02em;
  color:var(--brand-d);background:var(--brand-l);border:1px solid #cbe9d8;
  padding:2px 11px;border-radius:999px;margin-bottom:9px}
.icon-chip{flex:none;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:var(--brand-l);color:var(--brand-d);font-size:17px}
@media(min-width:900px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.hero .searchbar{max-width:660px}
.link-more{font-size:14px;font-weight:700;color:var(--brand-d);white-space:nowrap}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}
@media print{
  .site-header,.site-footer,.exam-nav,.topbanner,.drawer,.backdrop,.no-print{display:none!important}
  body{background:#fff}
  .card,.q-card{box-shadow:none;border-color:#ccc;break-inside:avoid}
}

/* ==================== লাইভ সার্চ সাজেশন ==================== */
.searchbar { position: relative; }
.suggest-box {
  position: absolute; left: 0; right: 0; top: calc(100% + 6px); z-index: 80;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  box-shadow: 0 14px 40px rgba(16, 26, 44, .16); overflow: hidden; max-height: 62vh; overflow-y: auto;
}
.suggest-box.hidden { display: none; }
.suggest-row {
  display: flex; gap: 10px; align-items: baseline; padding: 11px 14px;
  border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; font-size: 14px;
}
.suggest-row:last-child { border-bottom: 0; }
.suggest-row:hover, .suggest-row.active { background: var(--brand-l); }
.suggest-k {
  flex: 0 0 auto; font-size: 11px; font-weight: 700; color: var(--brand-d);
  background: var(--brand-l); border: 1px solid #cbe9d8; padding: 2px 7px; border-radius: 999px;
}
.suggest-t { flex: 1 1 auto; line-height: 1.45; }

/* প্র্যাকটিস মোডের ফিডব্যাক বক্স */
.prac-fb { margin-top: 16px; }
.prac-fb.hidden { display: none; }
.prac-fb .expl { display: block; }