:root{--bg:#f5f7fb;--card:#fff;--tx:#14213d;--mu:#5f6b85;--bd:#e3e8f2;--pr:#2563eb;--pr2:#1d4ed8;--ok:#0f9d58;--er:#d93025;--wa:#d98a00;--sh:0 4px 24px rgba(20,33,61,.07)}
@media(prefers-color-scheme:dark){:root{--bg:#0d1220;--card:#151c2f;--tx:#e8ecf6;--mu:#97a3bf;--bd:#26304a;--pr:#4b8bff;--pr2:#6aa0ff;--sh:none}}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--tx);font:16px/1.6 system-ui,-apple-system,"Segoe UI","Noto Sans Bengali","Kalpurush",sans-serif}
a{color:var(--pr);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1040px;margin:0 auto;padding:0 1.1rem}
header.top{background:var(--card);border-bottom:1px solid var(--bd);position:sticky;top:0;z-index:5}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:62px}
.brand{font-weight:800;font-size:1.2rem;color:var(--tx)}.brand span{color:var(--pr)}
nav.main{display:flex;gap:.3rem;align-items:center;flex-wrap:wrap}
nav.main a,nav.main button{padding:.45rem .85rem;border-radius:8px;color:var(--tx);font-size:.95rem;background:none;border:0;width:auto;margin:0;cursor:pointer;font-family:inherit}
nav.main a:hover,nav.main button:hover{background:var(--bg);text-decoration:none}
nav.main a.cta{background:var(--pr);color:#fff}nav.main a.cta:hover{background:var(--pr2)}
main{padding:2rem 0 3rem;min-height:70vh}
h1{font-size:1.7rem;margin:0 0 1.2rem}h2{font-size:1.25rem}
.card{background:var(--card);border:1px solid var(--bd);border-radius:14px;padding:1.5rem;box-shadow:var(--sh)}
.narrow{max-width:430px;margin:1rem auto}
.hero{text-align:center;padding:3.2rem 0 2.2rem}
.hero h1{font-size:2.3rem;line-height:1.25;margin:0 0 .8rem}.hero p{color:var(--mu);max-width:560px;margin:0 auto 1.6rem;font-size:1.1rem}
.btns{display:flex;gap:.7rem;justify-content:center;flex-wrap:wrap}
.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin:2rem 0}
.feat .card{text-align:center;padding:1.1rem}.feat b{display:block;font-size:1.6rem}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(235px,1fr));gap:1.1rem}
.plan{display:flex;flex-direction:column;gap:.5rem}
.plan .ic{font-size:2rem}.plan .tp{font-size:.78rem;color:var(--mu);text-transform:uppercase;letter-spacing:.05em}
.plan h3{margin:0;font-size:1.1rem}.plan .pr{font-size:1.7rem;font-weight:800;margin:.2rem 0}.plan .pr small{font-size:.85rem;font-weight:400;color:var(--mu)}
.plan form{margin-top:auto}
label,.lbl{display:block;font-size:.88rem;color:var(--mu);margin-top:.6rem}
input,select{width:100%;padding:.7rem .8rem;margin:.25rem 0;border:1px solid var(--bd);border-radius:9px;background:var(--bg);color:var(--tx);font:inherit}
input:focus{outline:2px solid var(--pr);border-color:transparent}
button,.btn{display:inline-block;width:100%;padding:.72rem 1.1rem;margin:.4rem 0 0;background:var(--pr);color:#fff;border:0;border-radius:9px;font:inherit;font-weight:600;cursor:pointer;text-align:center}
button:hover,.btn:hover{background:var(--pr2);text-decoration:none}
.btn{width:auto}.btn.alt{background:var(--card);color:var(--tx);border:1px solid var(--bd)}
.err{background:rgba(217,48,37,.1);color:var(--er);padding:.6rem .85rem;border-radius:9px}.err:empty{display:none}
.ok{background:rgba(15,157,88,.1);color:var(--ok);padding:.6rem .85rem;border-radius:9px}
.tw{overflow-x:auto}table{width:100%;border-collapse:collapse}
th{font-size:.8rem;color:var(--mu);text-transform:uppercase;letter-spacing:.04em}
td,th{padding:.75rem .6rem;border-bottom:1px solid var(--bd);text-align:left;white-space:nowrap}tr:last-child td{border-bottom:0}
td form{margin:0}td button{padding:.4rem .9rem;margin:0}
.badge{display:inline-block;padding:.15rem .6rem;border-radius:99px;font-size:.8rem;font-weight:600;background:var(--bg);color:var(--mu)}
.s-paid,.s-active{background:rgba(15,157,88,.14);color:var(--ok)}
.s-unpaid,.s-pending{background:rgba(217,138,0,.15);color:var(--wa)}
.s-cancelled,.s-refunded,.s-suspended{background:rgba(217,48,37,.12);color:var(--er)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-bottom:1.2rem}
.stats .card{padding:1rem}.stats b{display:block;font-size:1.6rem}.stats span{color:var(--mu);font-size:.85rem}
.notice{background:rgba(217,138,0,.12);color:var(--wa);padding:.7rem 1rem;border-radius:10px;margin-bottom:1rem}
code{background:var(--bg);padding:.15rem .45rem;border-radius:6px;word-break:break-all}
footer.bot{border-top:1px solid var(--bd);color:var(--mu);font-size:.88rem;padding:1.3rem 0;text-align:center}
@media(max-width:560px){.hero h1{font-size:1.7rem}header.top .wrap{height:auto;padding-top:.6rem;padding-bottom:.6rem;flex-wrap:wrap}}
textarea{width:100%;padding:.7rem .8rem;margin:.25rem 0;border:1px solid var(--bd);border-radius:9px;background:var(--bg);color:var(--tx);font:inherit;resize:vertical}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.8rem}
.chk{display:flex;align-items:center;gap:.5rem;color:var(--tx)}.chk input{width:auto;margin:0}
.tabs{display:flex;gap:.4rem;margin-bottom:1.2rem;flex-wrap:wrap}
.tabs a{padding:.45rem 1rem;border-radius:99px;border:1px solid var(--bd);color:var(--tx);background:var(--card)}
.tabs a.on{background:var(--pr);color:#fff;border-color:var(--pr);text-decoration:none}
.btn.sm,button.sm{width:auto;padding:.35rem .8rem;margin:0;font-size:.88rem}
.s-inactive{background:rgba(120,130,150,.16);color:var(--mu)}
.ds{color:var(--mu);font-size:.9rem;margin:0}
.hero-big{background:linear-gradient(135deg,#1e3a8a,#2563eb 55%,#7c3aed);color:#fff;border-radius:22px;padding:3.2rem 1.4rem 2.4rem;text-align:center;margin-bottom:2.5rem}
.hero-big h1{font-size:2.2rem;line-height:1.3;margin:0 0 .6rem}.hero-big p{opacity:.9;max-width:560px;margin:0 auto 1.4rem}
.dsearch{display:flex;gap:.5rem;max-width:660px;margin:0 auto}.dsearch input{margin:0;flex:1;background:#fff;color:#14213d;border:0;padding:.95rem 1rem;font-size:1rem}
.dsearch button{width:auto;margin:0;padding:.95rem 1.4rem;background:#14213d;white-space:nowrap}.dsearch button:hover{background:#0b1325}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin-top:1.2rem}
.chip{background:rgba(255,255,255,.16);border-radius:99px;padding:.3rem .9rem;font-size:.9rem}.chip small{opacity:.8}
.sec{margin:2.8rem 0}.sec>h2{text-align:center;font-size:1.5rem;margin-bottom:1.3rem}
.svc{text-align:center;color:var(--tx)}.svc:hover{text-decoration:none;border-color:var(--pr)}
.ic{font-size:2rem;display:block;margin-bottom:.3rem}.card h3{margin:.2rem 0}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1rem}
.steps .card{text-align:center}.steps b{display:inline-grid;place-items:center;width:2.2rem;height:2.2rem;border-radius:50%;background:var(--pr);color:#fff}
.faq{max-width:720px;margin:0 auto}.faq details{background:var(--card);border:1px solid var(--bd);border-radius:12px;padding:.9rem 1.1rem;margin-bottom:.6rem}
.faq summary{cursor:pointer;font-weight:600}.faq p{color:var(--mu);margin:.6rem 0 0}
.cta-band{background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;border-radius:20px;padding:2.3rem 1.2rem;text-align:center}
.cta-band p{opacity:.92}
.drow{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.9rem 0;border-bottom:1px solid var(--bd);flex-wrap:wrap}
.drow:last-child{border-bottom:0}.drow form{margin:0}.dprice{font-weight:700;margin-left:auto}.dprice small{font-weight:400;color:var(--mu)}
@media(max-width:560px){.hero-big h1{font-size:1.6rem}.dsearch{flex-direction:column}.dsearch button{width:100%}}
.s-registered{background:rgba(15,157,88,.14);color:var(--ok)}.s-expired{background:rgba(217,48,37,.12);color:var(--er)}