/* ============ AssamMock — main stylesheet ============ */
:root{
  --primary:#2554e0; --primary-dark:#1c3fae; --primary-light:#e8eeff;
  --accent:#00b98d; --danger:#e5484d; --warn:#f5a623; --review:#8e44ad;
  --ink:#1c2333; --muted:#66708a; --line:#e3e8f2; --bg:#f5f7fc; --card:#ffffff;
  --radius:14px; --shadow:0 4px 18px rgba(28,45,110,.08);
  font-size:16px;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Segoe UI',system-ui,-apple-system,'Noto Sans','Noto Sans Bengali',sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}
a{color:var(--primary);text-decoration:none}
img{max-width:100%}
.container{max-width:1120px;margin:0 auto;padding:0 18px}
.muted{color:var(--muted)} .small{font-size:.86rem}
.center{text-align:center}

/* ---- top bar ---- */
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.topbar-in{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{font-weight:800;font-size:1.25rem;color:var(--ink);display:flex;align-items:center;gap:8px}
.brand-mark{background:linear-gradient(135deg,var(--primary),#6c3ce0);color:#fff;border-radius:9px;padding:3px 8px;font-size:1rem}
.topnav{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.topnav a{color:var(--ink);font-weight:600;font-size:.95rem}
.topnav a:hover{color:var(--primary)}
/* hamburger */
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:26px;height:3px;background:var(--ink);border-radius:3px;transition:.25s}
.nav-toggle.on span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.on span:nth-child(2){opacity:0}
.nav-toggle.on span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ---- buttons / pills / flash ---- */
.btn{display:inline-block;border:0;border-radius:10px;padding:12px 22px;font-weight:700;font-size:1rem;cursor:pointer;text-align:center;transition:.15s}
.btn-primary{background:var(--primary);color:#fff!important}
.btn-primary:hover{background:var(--primary-dark)}
.btn-outline{background:#fff;color:var(--primary)!important;border:2px solid var(--primary)}
.btn-green{background:var(--accent);color:#fff!important}
.btn-grey{background:#eef1f8;color:var(--ink)!important}
.btn-danger{background:var(--danger);color:#fff!important}
.btn-sm{padding:8px 14px;font-size:.88rem;border-radius:8px}
.btn-block{display:block;width:100%}
.pill{display:inline-block;border-radius:999px;padding:3px 12px;font-size:.8rem;font-weight:700}
.pill-green{background:#e2f8ef;color:#067a53}
.pill-blue{background:var(--primary-light);color:var(--primary-dark)}
.pill-red{background:#ffe6e6;color:#b32}
.pill-grey{background:#eef1f8;color:#556}
.flash{max-width:1120px;margin:14px auto 0;padding:12px 18px;border-radius:10px;font-weight:600}
.flash-success{background:#e2f8ef;color:#067a53;border:1px solid #b5e8d2}
.flash-error{background:#ffe6e6;color:#b32;border:1px solid #f3c0c0}
.flash-info{background:var(--primary-light);color:var(--primary-dark);border:1px solid #c9d8ff}

/* ---- hero ---- */
.hero{background:linear-gradient(135deg,#1c3fae 0%,#2554e0 55%,#6c3ce0 100%);color:#fff;padding:72px 0 84px;text-align:center}
.hero h1{font-size:2.6rem;margin:0 0 14px;line-height:1.2}
.hero p{font-size:1.15rem;opacity:.92;max-width:640px;margin:0 auto 28px}
.hero .btn{margin:6px}
.hero-badge{display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:6px 16px;font-size:.9rem;margin-bottom:18px}
.hero-stats{display:flex;gap:34px;justify-content:center;margin-top:36px;flex-wrap:wrap}
.hero-stats b{display:block;font-size:1.6rem}
/* hero with side images */
.hero-row.with-imgs{display:flex;align-items:center;justify-content:center;gap:28px}
.hero-row.with-imgs .hero-center{flex:1;max-width:620px}
.hero-img{flex:0 0 240px;max-width:240px}
.hero-img img{width:100%;border-radius:16px;border:3px solid rgba(255,255,255,.35);box-shadow:0 10px 30px rgba(0,0,0,.25);object-fit:cover;aspect-ratio:5/6}
@media(max-width:900px){
  .hero-row.with-imgs{flex-direction:column;gap:18px}
  .hero-img{order:3;flex-basis:auto;max-width:180px}
  .hero-img-l{order:2}
}

/* ---- sections ---- */
.section{padding:56px 0}
.section h2{font-size:1.8rem;text-align:center;margin:0 0 10px}
.section .sub{color:var(--muted);text-align:center;max-width:600px;margin:0 auto 34px}

/* ---- cards & grids ---- */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.cat-card{display:block;color:var(--ink);text-align:center;transition:.15s;cursor:pointer}
.cat-card:hover{transform:translateY(-4px);border-color:var(--primary)}
.cat-card .cat-icon{font-size:2.4rem}
.cat-card h3{margin:10px 0 4px;font-size:1.05rem}
.cat-card .as-name{color:var(--muted);font-size:.85rem}
.cat-card .count{margin-top:8px}

/* ---- pricing ---- */
.price-cards{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));max-width:760px;margin:0 auto}
.price-card{position:relative;text-align:center;padding:34px 24px}
.price-card.best{border:2px solid var(--primary)}
.best-tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--primary);color:#fff;border-radius:999px;padding:3px 16px;font-size:.8rem;font-weight:700}
.price-amount{font-size:2.6rem;font-weight:800;color:var(--primary)}
.price-amount span{font-size:1rem;color:var(--muted);font-weight:600}
.price-card ul{list-style:none;padding:0;margin:18px 0;text-align:left}
.price-card li{padding:6px 0;border-bottom:1px dashed var(--line);font-size:.94rem}
.price-card li::before{content:"✓ ";color:var(--accent);font-weight:800}

/* ---- forms ---- */
.form-card{max-width:430px;margin:48px auto}
.form-card h1{font-size:1.5rem;margin-top:0}
label{display:block;font-weight:600;font-size:.9rem;margin:14px 0 5px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=tel],select,textarea{
  width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:9px;font-size:1rem;font-family:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary)}

/* ---- test list rows ---- */
.test-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 20px;margin-bottom:14px;flex-wrap:wrap}
.test-row h3{margin:0 0 4px;font-size:1.06rem}
.test-meta{color:var(--muted);font-size:.86rem;display:flex;gap:14px;flex-wrap:wrap}
.test-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

/* ---- stat tiles (result page) ---- */
.stat-tiles{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));margin:18px 0}
.stat-tile{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;text-align:center}
.stat-tile b{display:block;font-size:1.5rem;color:var(--primary)}
.stat-tile.green b{color:var(--accent)} .stat-tile.red b{color:var(--danger)} .stat-tile.purple b{color:var(--review)}
.stat-tile span{color:var(--muted);font-size:.82rem;font-weight:600}

/* ---- topic analysis bars ---- */
.topic-row{margin:12px 0}
.topic-row .t-head{display:flex;justify-content:space-between;font-size:.92rem;font-weight:600;margin-bottom:4px}
.bar{height:10px;background:#edf0f7;border-radius:6px;overflow:hidden}
.bar>span{display:block;height:100%;border-radius:6px;background:var(--accent)}
.bar>span.mid{background:var(--warn)} .bar>span.low{background:var(--danger)}

/* ---- focus verdict bar ---- */
.focus-bar{background:#fff4e0;border:1px solid #f0d890;color:#7a5600;border-radius:10px;padding:11px 16px;margin:12px 0;font-size:.98rem}
.focus-bar.good{background:#e9faf3;border-color:#b5e8d2;color:#067a53}

/* ---- topic chips + slider ---- */
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip-slider{display:flex;gap:8px;overflow-x:auto;padding:10px 0 4px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.chip-slider::-webkit-scrollbar{height:5px}
.chip-slider::-webkit-scrollbar-thumb{background:#c8d0e2;border-radius:3px}
.topic-chip{scroll-snap-align:start;white-space:nowrap;border-radius:999px;padding:8px 14px;font-size:.9rem;font-weight:600;cursor:pointer;border:1.5px solid var(--line);background:#fff;color:var(--ink)}
.topic-chip b{font-weight:800}
.chip-weak{border-color:#f3c0c0;background:#fff0f0}.chip-weak b{color:var(--danger)}
.chip-strong{border-color:#b5e8d2;background:#e9faf3}.chip-strong b{color:var(--accent)}

/* ---- quick revision notes ---- */
.notes-card{border-left:4px solid var(--warn)}
.note-list{display:flex;flex-direction:column;gap:8px}
.note-item{display:flex;gap:10px;align-items:baseline;padding:9px 12px;background:#fffdf5;border:1px solid #f0e4c0;border-radius:9px}
.note-topic{flex:0 0 auto;font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.03em;color:var(--warn);background:#fff6df;border-radius:5px;padding:2px 7px}
.note-text{font-size:.95rem;line-height:1.5}
.note-slider{display:flex;gap:10px;overflow-x:auto;padding:8px 0 6px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.note-slider::-webkit-scrollbar{height:5px}
.note-slider::-webkit-scrollbar-thumb{background:#c8d0e2;border-radius:3px}
.note-flash{scroll-snap-align:start;flex:0 0 260px;background:#fffdf5;border:1px solid #f0e4c0;border-radius:10px;padding:12px;display:flex;flex-direction:column;gap:6px}

/* ---- accuracy donut ---- */
.donut{width:170px;height:170px;border-radius:50%;margin:8px auto;display:flex;align-items:center;justify-content:center}
.donut-hole{width:110px;height:110px;background:#fff;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center}
.donut-hole b{font-size:1.7rem;color:var(--ink);line-height:1}
.donut-hole span{font-size:.72rem;color:var(--muted)}
.donut-legend{display:flex;flex-direction:column;gap:5px;align-items:flex-start;max-width:150px;margin:10px auto 0;font-size:.85rem}
.dot-c,.dot-w,.dot-s{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:6px}
.dot-c{background:var(--accent)} .dot-w{background:var(--danger)} .dot-s{background:#d7ddea}

/* ---- subject bar graph (tabbed) ---- */
.subj-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.subj-tab{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:7px 15px;font-weight:700;font-size:.85rem;cursor:pointer;color:var(--muted)}
.subj-tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.subj-legend{display:flex;gap:16px;font-size:.82rem;color:var(--muted);margin-bottom:10px}
.subj-panel{animation:fade .25s}
@keyframes fade{from{opacity:0}to{opacity:1}}
.subj-block{margin:14px 0 34px}
.subj-head{margin-bottom:16px}
.subj-head{display:flex;justify-content:space-between;margin-bottom:6px;font-size:.95rem}
.subj-bars{display:flex;align-items:flex-end;gap:18px;height:130px;border-bottom:2px solid var(--line);padding:0 6px}
.sbar{flex:0 0 40px;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center}
.sbar>em{font-style:normal;font-size:.85rem;font-weight:800;color:var(--ink);margin-bottom:3px}
.sbar>span{width:34px;border-radius:6px 6px 0 0;min-height:4px;transition:height .4s}
.sbar>small{position:absolute;transform:translateY(24px);font-size:.9rem}
.sb-c{background:var(--accent)} .sb-w{background:var(--danger)} .sb-s{background:#d7ddea}

/* ---- solutions: filters + number grid ---- */
.sol-filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.fbtn{border:1.5px solid var(--line);background:#fff;border-radius:8px;padding:7px 14px;font-weight:600;font-size:.86rem;cursor:pointer}
.fbtn.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.qgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(46px,1fr));gap:8px;margin:12px 0 18px}
.qg{height:44px;border-radius:9px;border:1.5px solid #c8d0e2;font-weight:800;font-size:.95rem;cursor:pointer;color:#fff;background:#9aa4c0}
.qg-correct{background:var(--accent);border-color:var(--accent)}
.qg-wrong{background:var(--danger);border-color:var(--danger)}
.qg-skipped{background:#d7ddea;color:#556;border-color:#c8d0e2}
.qg.cur{outline:3px solid #10203f;outline-offset:1px}
.sol-q{scroll-margin-top:80px}

@media print{
  .no-print,.topbar,.footer{display:none!important}
  .card{box-shadow:none;border:1px solid #ccc;break-inside:avoid}
  body{background:#fff}
  .sol-q[hidden]{display:block!important}
  /* force colours (donut, bars, pills) to actually print */
  *{-webkit-print-color-adjust:exact!important;print-color-adjust:exact!important}
  .donut,.sbar>span,.bar>span,.pill,.stat-tile b{-webkit-print-color-adjust:exact!important;print-color-adjust:exact!important}
}

/* ---- tables ---- */
table.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.tbl th,.tbl td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;font-size:.93rem}
.tbl th{background:#f2f5fb;font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.tbl tr:last-child td{border-bottom:0}
.tbl tr.me{background:var(--primary-light);font-weight:700}

/* ---- solutions ---- */
.sol-q{margin-bottom:18px}
.sol-q .q-text{font-weight:600;margin-bottom:10px}
.opt-line{padding:9px 13px;border:1.5px solid var(--line);border-radius:9px;margin:6px 0;font-size:.95rem}
.opt-line.correct{border-color:var(--accent);background:#e9faf3}
.opt-line.wrong{border-color:var(--danger);background:#ffefef}
.expl{background:#f6f8ff;border-left:4px solid var(--primary);padding:10px 14px;border-radius:0 9px 9px 0;font-size:.92rem;margin-top:10px}

/* ---- streak pill ---- */
.streak-pill{background:linear-gradient(90deg,#ff8a00,#ff5252);color:#fff;border-radius:999px;padding:6px 14px;font-weight:700;font-size:.9rem;white-space:nowrap}

/* ---- announcement banner ---- */
.announce{background:linear-gradient(90deg,#1c3fae,#6c3ce0);color:#fff;border-radius:12px;padding:13px 18px;font-weight:600;margin-bottom:18px;box-shadow:var(--shadow)}

/* ---- tagline + trust strip + breadcrumb ---- */
.tagline-strip{display:inline-block;background:linear-gradient(90deg,#fff7e0,#ffefc2);border:1px solid #f0d890;color:#8a6400;border-radius:999px;padding:6px 18px;font-weight:700;font-size:.92rem;margin:2px 0 14px}
.trust-strip{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin:14px 0 4px}
.trust-item{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px;box-shadow:var(--shadow)}
.trust-item>span{font-size:1.6rem;line-height:1}
.breadcrumb a{font-weight:600}
.crumb-sep{color:var(--muted);margin:0 6px}

/* ---- footer ---- */
.footer{background:#141a2e;color:#c6cbe0;padding:34px 0;margin-top:60px;text-align:center}
.footer .muted{color:#8890ad}
.footer p{margin:6px 0}
.footer-links{margin:12px 0}
.footer-links a{color:#aab4d6;font-size:.9rem}
.footer-links a:hover{color:#fff}
.footer-exams{font-size:.82rem}
.footer-exams a{color:#8890ad;font-size:.82rem}
.legal-body h2{margin-top:0}
.legal-body h3{margin:18px 0 6px}
.legal-body p{color:var(--ink);line-height:1.7}
.founder-body p{font-size:1.05rem}
.testimonial{display:flex;flex-direction:column}
.t-quote{font-size:1.02rem;line-height:1.6;color:var(--ink);flex:1}
.t-name{font-weight:700;color:var(--primary);margin:8px 0 0}

/* ---- checkout ---- */
.checkout-box{max-width:480px;margin:40px auto}
.line-item{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px dashed var(--line)}
.line-item.total{font-weight:800;font-size:1.15rem;border-bottom:0}
.coupon-row{display:flex;gap:8px;margin:14px 0}
.coupon-row input{flex:1}
.qr-holder{display:flex;justify-content:center;margin:16px 0}

/* ============ MOBILE / APP-LIKE ============ */
@media (max-width:820px){
  .nav-toggle{display:flex}
  .topbar-in{height:56px}
  /* slide-down app menu */
  .topnav{
    position:absolute;top:56px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;
    border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(20,40,120,.12);
    max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0}
  .topnav.open{max-height:80vh;padding:6px 0}
  .topnav a,.topnav .pill{
    padding:15px 20px;font-size:1.05rem;border-bottom:1px solid var(--line);border-radius:0;text-align:left}
  .topnav .btn{margin:10px 18px;text-align:center}
  .topnav .pill{border:0}
}
@media (max-width:640px){
  :root{font-size:15px}
  .container{padding:0 14px}
  .hero{padding:48px 0 56px}
  .hero h1{font-size:1.8rem}
  .hero p{font-size:1rem}
  .section{padding:38px 0}
  .section h2{font-size:1.45rem}
  .grid{gap:12px}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .card{padding:16px;border-radius:12px}
  .cat-card .cat-icon{font-size:2rem}
  .cat-card h3{font-size:.95rem}
  .test-row{flex-direction:column;align-items:stretch}
  .test-actions{width:100%}
  .test-actions .btn{flex:1}
  .btn{padding:12px 16px}          /* bigger tap targets */
  .btn-sm{padding:9px 13px}
  .stat-tiles{grid-template-columns:repeat(2,1fr);gap:10px}
  .form-card{margin:24px auto;padding:20px}
  /* result page: donut above graph on mobile */
  .donut-graph-grid{grid-template-columns:1fr!important}
  .result-actions .btn{flex:1 1 40%;text-align:center}
  /* tables scroll instead of squashing */
  .tbl{display:block;overflow-x:auto;white-space:nowrap}
}
@media (max-width:400px){
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .qgrid{grid-template-columns:repeat(auto-fill,minmax(42px,1fr))}
}