/* হোম: ভয়েস-স্টোরি কভার, গ্যালারি, ভিডিও, মিডিয়া, লাইটবক্স */

/* ---------- কভার ---------- */
.vh{position:relative;overflow:hidden;color:#fff;background:linear-gradient(165deg,#081B52 0%,#050E2D 70%)}
.vh-bg{position:absolute;inset:0;pointer-events:none}
.vh-bg::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);background-size:26px 26px;-webkit-mask-image:linear-gradient(180deg,#000,transparent 85%);mask-image:linear-gradient(180deg,#000,transparent 85%)}
.vh-o{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55}
.vh-o1{width:520px;height:520px;right:-120px;top:-120px;background:#0A47D1}
.vh-o2{width:420px;height:420px;left:-140px;bottom:-160px;background:rgba(0,212,255,.35)}
.vh-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center;padding-top:58px;padding-bottom:66px}
.vh-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.vh .eyebrow{margin-bottom:18px}

.vh-stage{position:relative;min-height:218px}
.vh-slide{position:absolute;inset:0 0 auto 0;opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease,visibility 0s .5s}
.vh-slide.is-on{position:relative;opacity:1;visibility:visible;transform:none;transition:opacity .55s ease .08s,transform .55s ease .08s}
.vh-aud{display:inline-block;padding:3px 13px;border-radius:999px;background:rgba(255,176,0,.16);border:1px solid rgba(255,176,0,.45);color:#FFD27A;font:700 .86rem var(--f-b);margin-bottom:12px}
.vh-t{margin:0 0 10px;font:800 clamp(1.7rem,3.9vw,2.7rem)/1.28 var(--f-h);color:#fff;text-wrap:balance}
.vh-st{margin:0 0 10px;font:600 clamp(1.02rem,1.6vw,1.2rem)/1.5 var(--f-b);color:#7FD9FF}
.vh-d{margin:0;color:#CFDDF5;max-width:56ch;font-size:1.02rem;line-height:1.7}

.vh-ctrl{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:18px}
.vh-nb{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);color:#fff;cursor:pointer;transition:.2s}
.vh-nb:hover{background:rgba(255,255,255,.2)}
.vh-prev svg{transform:rotate(180deg)}
.vh-dots{display:flex;gap:7px;align-items:center}
.vh-dot{width:9px;height:9px;padding:0;border:0;border-radius:99px;background:rgba(255,255,255,.3);cursor:pointer;transition:width .3s,background .3s}
.vh-dot.is-on{width:28px;background:var(--amber)}
.vh-vt{display:inline-flex;align-items:center;gap:8px;margin-left:auto;padding:8px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);color:#fff;font:600 .9rem var(--f-b);cursor:pointer}
.vh-vt[hidden]{display:none}
.vh-vt:hover{background:rgba(255,255,255,.18)}
.vh-vt-i{display:grid;place-items:center}
.vh-bar{height:3px;border-radius:3px;background:rgba(255,255,255,.14);margin-top:14px;overflow:hidden;max-width:420px}
.vh-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--g500),#00D4FF);transition:width .25s linear}

.vh-choose{margin-top:18px;padding:16px;border-radius:18px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);max-width:500px}
.vh-cq{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px}
.vh-cq strong{display:block;font:700 1.05rem var(--f-h);line-height:1.35}
.vh-cq small{color:#B6C9EA;font-size:.9rem}
.vh-cq-i{flex:none;display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:rgba(0,212,255,.18);color:#6FE3FF}
.vh-cb{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.vh-dev-b{display:flex;align-items:center;justify-content:center;gap:9px;padding:13px 10px;border-radius:14px;border:1.5px solid rgba(255,255,255,.3);background:rgba(255,255,255,.07);color:#fff;font:700 1rem var(--f-b);cursor:pointer;transition:.2s}
.vh-dev-b:hover,.vh-dev-b:focus-visible{background:var(--amber);border-color:var(--amber);color:#2b1a00;transform:translateY(-2px)}
.vh-silent{display:block;margin:10px auto 0;background:none;border:0;color:#9FB6DE;text-decoration:underline;text-underline-offset:3px;font:500 .88rem var(--f-b);cursor:pointer}
.vh-silent:hover{color:#fff}
.vh.is-chosen .vh-choose{display:none}
.vh:not(.is-chosen) .vh-ctrl,.vh:not(.is-chosen) .vh-bar{opacity:.92}
.vh .cta{margin-top:22px}

/* ডিভাইস ফ্রেম: মোবাইল ↔ ল্যাপটপ */
.vh-dev{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;padding-bottom:26px}
.vh-frame{position:relative;width:min(290px,78%);aspect-ratio:9/18;border:9px solid #060D24;border-radius:40px;background:#060D24;box-shadow:var(--sh-l),0 0 0 2px rgba(255,255,255,.12),0 0 80px rgba(47,139,255,.25);overflow:hidden;transition:width .6s cubic-bezier(.2,.7,.2,1),aspect-ratio .6s,border-radius .6s,border-width .6s}
.vh-notch{position:absolute;z-index:4;top:0;left:50%;width:92px;height:21px;transform:translateX(-50%);background:#060D24;border-radius:0 0 15px 15px;transition:opacity .3s}
.vh-shots{position:absolute;inset:0;background:#0B2C86}
.vh-shot{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.07);transition:opacity .9s ease,transform 6s ease}
.vh-shot.is-on{opacity:1;transform:scale(1)}
.vh-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,14,45,.15),transparent 30%,rgba(5,14,45,.78) 100%)}
.vh-cap{position:absolute;left:14px;right:14px;bottom:14px;font:700 .98rem/1.35 var(--f-h);color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.5)}
.vh-wave{position:absolute;right:14px;top:34px;display:flex;gap:3px;align-items:flex-end;height:20px;opacity:0;transition:opacity .3s}
.vh-wave i{width:4px;height:100%;border-radius:3px;background:#00D4FF;transform-origin:bottom;animation:vhw 1s ease-in-out infinite}
.vh-wave i:nth-child(2){animation-delay:-.2s}.vh-wave i:nth-child(3){animation-delay:-.5s}.vh-wave i:nth-child(4){animation-delay:-.3s}.vh-wave i:nth-child(5){animation-delay:-.7s}
@keyframes vhw{0%,100%{transform:scaleY(.25)}50%{transform:scaleY(1)}}
.vh.is-speaking .vh-wave{opacity:1}
.vh-base{height:0;width:0;transition:.6s}
.vh-dev.mode-laptop .vh-frame{width:min(540px,100%);aspect-ratio:16/10;border-width:10px 10px 12px;border-radius:16px 16px 6px 6px}
.vh-dev.mode-laptop .vh-notch{opacity:0}
.vh-dev.mode-laptop .vh-wave{top:14px}
.vh-dev.mode-laptop .vh-base{height:14px;width:min(620px,112%);margin-top:-1px;border-radius:0 0 18px 18px;background:linear-gradient(#cdd8ec,#8fa3c7);box-shadow:0 18px 40px rgba(0,0,0,.35)}
.vh .chip-float{z-index:5}
.vh .cf1{left:0}.vh .cf2{right:0}

@media(max-width:900px){
  .vh-grid{grid-template-columns:1fr;gap:30px;padding-top:36px;padding-bottom:50px}
  .vh-dev{order:-1;padding-bottom:6px}
  .vh-frame{width:min(172px,46%);border-width:7px;border-radius:30px}
  .vh-dev.mode-laptop .vh-frame{width:min(400px,92%)}
  .vh-dev.mode-laptop .vh-base{width:min(450px,102%)}
  .vh-stage{min-height:0;display:grid}
  .vh-slide{position:relative;grid-area:1/1;inset:auto}
  .vh-slide:not(.is-on){position:relative}
  .vh .cf1{left:2%;top:10%}.vh .cf2{right:2%;bottom:14%}
  .vh-vt{margin-left:0}
}
@media(max-width:560px){
  .vh .chip-float{font-size:.78rem;padding:6px 10px 6px 6px}
  .vh .chip-float span{width:22px;height:22px}
  .vh-d{font-size:.98rem}
  .vh .cta .btn{flex:1 1 100%}
}

/* ---------- গ্যালারি মোজাইক ---------- */
.mos{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:170px;grid-auto-flow:dense;gap:12px}
.mos-i{position:relative;margin:0;padding:0;border:0;border-radius:18px;overflow:hidden;cursor:zoom-in;background:var(--mint);box-shadow:var(--sh)}
.mos-i img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.mos-i:hover img{transform:scale(1.07)}
.mos-i::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(5,14,45,.72));opacity:.0;transition:opacity .3s}
.mos-i:hover::after,.mos-i:focus-visible::after{opacity:1}
.mos-c{position:absolute;z-index:2;left:12px;right:12px;bottom:10px;color:#fff;font:700 .92rem/1.3 var(--f-h);text-align:left;opacity:0;transform:translateY(6px);transition:.3s}
.mos-i:hover .mos-c,.mos-i:focus-visible .mos-c{opacity:1;transform:none}
.mos-i.m0{grid-column:span 2;grid-row:span 2}
.mos-i.m3{grid-row:span 2}
.mos-i.m5{grid-column:span 2}
@media(max-width:900px){.mos{grid-template-columns:repeat(3,1fr);grid-auto-rows:130px}}
@media(max-width:560px){.mos{grid-template-columns:repeat(2,1fr);grid-auto-rows:130px;gap:8px}.mos-i{border-radius:14px}.mos-i.m5{grid-column:span 2}.mos-c{opacity:1;transform:none;font-size:.8rem}.mos-i::after{opacity:1}}

/* ---------- সফল শিক্ষার্থীদের ভিডিও ---------- */
.vs-card,.vcard{display:flex;flex-direction:column;gap:10px;padding:0;border:0;background:none;text-align:left;cursor:pointer;color:inherit;font:inherit}
.vcard-t{position:relative;display:block;aspect-ratio:16/9;border-radius:16px;overflow:hidden;background:var(--g900);box-shadow:var(--sh)}
.vcard-t img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.vs-card:hover .vcard-t img,.vcard:hover .vcard-t img{transform:scale(1.06)}
.vcard-p{position:absolute;left:50%;top:50%;width:54px;height:54px;margin:-27px 0 0 -27px;display:grid;place-items:center;border-radius:50%;background:rgba(255,176,0,.95);color:#2b1a00;box-shadow:0 8px 24px rgba(0,0,0,.35);transition:transform .25s}
.vcard-p svg{margin-left:3px}
.vs-card:hover .vcard-p,.vcard:hover .vcard-p{transform:scale(1.12)}
.vcard-n{font:600 1rem/1.45 var(--f-b);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vbig{display:grid;gap:6px;justify-items:center;width:100%;max-width:560px;margin:0 auto;padding:44px 20px;border:0;border-radius:22px;background:linear-gradient(150deg,var(--g800),var(--g950));color:#fff;cursor:pointer;box-shadow:var(--sh-l)}
.vbig strong{font:800 1.3rem var(--f-h)}.vbig small{color:#B6C9EA}
.vbig-p{display:grid;place-items:center;width:68px;height:68px;border-radius:50%;background:var(--amber);color:#2b1a00;margin-bottom:6px}
.vmore{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:28px}
/* ---------- মিডিয়া ---------- */
.sec-media{background:radial-gradient(900px 400px at 85% 0,rgba(47,139,255,.4),transparent 60%),linear-gradient(165deg,#0B2C86,#050E2D);color:#fff}
.sec-h-d h2{color:#fff}.sec-h-d p{color:#B6C9EA}
.mgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;max-width:960px;margin:0 auto}
.mcard{display:flex;flex-direction:column;padding:0;border:1px solid rgba(255,255,255,.16);border-radius:20px;overflow:hidden;background:rgba(255,255,255,.07);color:#fff;text-align:left;cursor:pointer;font:inherit;text-decoration:none;transition:transform .3s,background .3s,border-color .3s}
.mcard:hover{transform:translateY(-4px);background:rgba(255,255,255,.12);border-color:rgba(255,176,0,.6);color:#fff}
.mcard-t{position:relative;display:block;aspect-ratio:16/9;background:#050E2D;overflow:hidden}
.mcard-t img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.mcard:hover .mcard-t img{transform:scale(1.05)}
.mcard-src{position:absolute;left:14px;top:14px;padding:4px 14px;border-radius:999px;background:var(--amber);color:#2b1a00;font:800 .86rem var(--f-b);letter-spacing:.04em}
.mcard-p{position:absolute;left:50%;top:50%;width:62px;height:62px;margin:-31px 0 0 -31px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.95);color:#0A47D1;box-shadow:0 10px 30px rgba(0,0,0,.4);transition:transform .25s}
.mcard-p svg{margin-left:3px}.mcard:hover .mcard-p{transform:scale(1.12)}
.mcard-b{display:flex;flex-direction:column;gap:6px;padding:18px 20px 22px}
.mcard-b em{align-self:flex-start;font-style:normal;font-weight:700;font-size:.82rem;color:#7FD9FF;border:1px solid rgba(127,217,255,.4);padding:1px 10px;border-radius:99px}
.mcard-b strong{font:700 1.18rem/1.35 var(--f-h)}
.mcard-b span{color:#C4D4EE;font-size:.97rem;line-height:1.6}
@media(max-width:760px){.mgrid{grid-template-columns:1fr}}

/* ---------- কোর্স কার্ড মেটা ---------- */
.ccard-meta{align-self:flex-start;display:inline-block;margin-bottom:-2px;padding:2px 11px;border-radius:99px;background:var(--mint2);color:var(--g700);font:700 .8rem var(--f-b)}

/* ---------- লাইটবক্স ---------- */
.lb{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:18px;background:rgba(3,9,28,.92);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:lbin .25s both}
.lb[hidden]{display:none}
@keyframes lbin{from{opacity:0}to{opacity:1}}
.lb-box{position:relative;width:min(1080px,100%);max-height:100%;display:flex;flex-direction:column;align-items:center;gap:12px}
.lb-img{max-width:100%;max-height:calc(100vh - 130px);border-radius:14px;box-shadow:0 30px 80px rgba(0,0,0,.6);object-fit:contain}
.lb-vid{position:relative;width:100%;aspect-ratio:16/9;max-height:calc(100vh - 100px);border-radius:14px;overflow:hidden;background:#000;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lb-vid iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.lb-cap{color:#DCE7FA;font:600 1rem var(--f-h);text-align:center;min-height:1.4em}
.lb-x,.lb-n{position:absolute;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.12);color:#fff;cursor:pointer;transition:.2s}
.lb-x:hover,.lb-n:hover{background:var(--amber);color:#2b1a00;border-color:var(--amber)}
.lb-x{top:-4px;right:-4px;z-index:2}
.lb-box.has-img .lb-x{top:-12px;right:-8px}
.lb-n{top:50%;margin-top:-34px}
.lb-prev{left:-6px}.lb-prev svg{transform:rotate(180deg)}.lb-next{right:-6px}
.lb-n[hidden]{display:none}
@media(max-width:700px){.lb{padding:12px}.lb-x{top:-48px;right:0}.lb-box.has-img .lb-x{top:-48px;right:0}.lb-prev{left:4px}.lb-next{right:4px}.lb-box:not(.has-img){margin-top:40px}}
@media(prefers-reduced-motion:reduce){.vh-slide,.vh-shot,.vh-frame{transition:none}.vh-wave i{animation:none}}

/* হোমে ৪টি কোর্স: এক সারিতে ৪, ট্যাবলেটে ২ */
.cgrid.cgrid-4{grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:1100px){.cgrid.cgrid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.cgrid.cgrid-4{grid-template-columns:1fr}}
.cgrid-4 .ccard-b h3{font-size:1.08rem}

/* ---------- শিক্ষার্থীদের কথা (স্লাইডার) ---------- */
.mt{position:relative;overflow:hidden;padding:84px 0 96px;background:radial-gradient(circle at 8% 10%,rgba(0,212,255,.14),transparent 30%),radial-gradient(circle at 92% 12%,rgba(255,138,0,.12),transparent 28%),linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.mt::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;background-image:linear-gradient(rgba(8,27,82,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(8,27,82,.04) 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:linear-gradient(180deg,#000,transparent 90%);mask-image:linear-gradient(180deg,#000,transparent 90%)}
.mt .wrap{position:relative}
.mt-head{max-width:860px;margin:0 auto 38px;text-align:center}
.mt-kick{display:inline-flex;align-items:center;gap:9px;padding:8px 15px;margin-bottom:16px;border:1px solid rgba(255,138,0,.25);border-radius:999px;background:rgba(255,138,0,.1);color:#B45309;font:800 .86rem var(--f-b)}
.mt-kick i{width:9px;height:9px;border-radius:50%;background:var(--amber-d);box-shadow:0 0 0 6px rgba(255,138,0,.15);animation:mtp 2s infinite}
@keyframes mtp{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(.78);opacity:.7}}
.mt-head h2{margin:0;font:800 clamp(1.9rem,4.4vw,3.1rem)/1.2 var(--f-h);color:var(--ink);text-wrap:balance}
.mt-head h2 em{font-style:normal;background:linear-gradient(90deg,var(--g700),#00B4E6);-webkit-background-clip:text;background-clip:text;color:transparent}
.mt-sub{margin:12px 0 0;color:var(--g800);font:700 clamp(1.05rem,2vw,1.35rem)/1.4 var(--f-b)}
.mt-chip{display:inline-flex;align-items:center;gap:8px;margin-top:16px;padding:9px 16px;border:1px solid rgba(0,180,230,.28);border-radius:999px;background:rgba(0,212,255,.1);color:var(--g900);font:700 .88rem var(--f-b)}
.mt-chip svg{color:var(--amber-d)}
.mt-track{display:flex;gap:20px;overflow-x:auto;padding:10px 6px 22px;scroll-snap-type:x mandatory;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none;overscroll-behavior-x:contain}
.mt-track::-webkit-scrollbar{display:none}
.mt-track:focus-visible{outline:3px solid rgba(0,212,255,.45);outline-offset:4px;border-radius:20px}
.mt-card{position:relative;flex:0 0 calc((100% - 40px)/3);min-width:0;scroll-snap-align:start;display:flex;flex-direction:column;gap:14px;overflow:hidden;padding:26px;border:1px solid rgba(8,27,82,.09);border-radius:26px;background:#fff;box-shadow:0 18px 54px rgba(8,27,82,.1);transition:transform .3s,box-shadow .3s,border-color .3s}
.mt-card::before{content:"";position:absolute;inset:0 0 auto;height:5px;background:linear-gradient(90deg,var(--amber-d),#00D4FF,var(--g700))}
.mt-card::after{content:"\201C";position:absolute;top:12px;right:20px;color:rgba(11,44,134,.08);font:900 92px/1 Georgia,serif;pointer-events:none}
.mt-card:hover{transform:translateY(-6px);border-color:rgba(255,138,0,.3);box-shadow:0 28px 70px rgba(8,27,82,.16)}
.mt-prof{display:flex;align-items:center;gap:14px;position:relative;z-index:1}
.mt-av{flex:none;width:58px;height:58px;border-radius:19px;object-fit:cover;border:3px solid #fff;box-shadow:0 12px 26px rgba(8,27,82,.2)}
.mt-ini{display:grid;place-items:center;background:linear-gradient(135deg,var(--g900),var(--g700));color:#fff;font:800 1.15rem var(--f-h)}
.mt-id{min-width:0}.mt-id h3{margin:0;font:800 1.1rem/1.3 var(--f-h);color:var(--ink);overflow-wrap:anywhere}
.mt-id span{display:inline-flex;align-items:center;gap:5px;margin-top:3px;color:var(--amber-d);font:700 .82rem var(--f-b)}
.mt-stars{display:flex;gap:3px;color:#F59E0B}.mt-stars svg{fill:currentColor}
.mt-inc{align-self:flex-start;display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:99px;background:var(--mint2);color:var(--g700);font:700 .84rem var(--f-b)}
.mt-q{margin:0;position:relative;z-index:1;color:#44536B;font-size:1rem;line-height:1.8}
.mt-ver{margin-top:auto;padding-top:6px;display:inline-flex;align-items:center;gap:7px;align-self:flex-start;color:#15803D;font:700 .8rem var(--f-b)}
.mt-ctrl{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;margin-top:8px}
.mt-arrows{display:flex;gap:10px}
.mt-ab,.mt-pause{border:1px solid rgba(8,27,82,.14);background:#fff;color:var(--g900);box-shadow:0 10px 24px rgba(8,27,82,.08);cursor:pointer;transition:transform .25s,color .25s,background .25s,border-color .25s}
.mt-ab{display:grid;place-items:center;width:46px;height:46px;border-radius:15px}
.mt-prev svg{transform:rotate(180deg)}
.mt-pause{display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:8px 14px;border-radius:14px;font:700 .85rem var(--f-b)}
.mt-ab:hover,.mt-pause:hover{transform:translateY(-3px);border-color:transparent;color:#fff;background:linear-gradient(135deg,var(--amber-d),#E84B00)}
.mt-ab:focus-visible,.mt-pause:focus-visible,.mt-dot:focus-visible{outline:3px solid rgba(0,212,255,.45);outline-offset:3px}
.mt-dots{display:flex;justify-content:center;flex-wrap:wrap;gap:8px}
.mt-dot{width:10px;height:10px;padding:0;border:0;border-radius:99px;background:rgba(8,27,82,.2);cursor:pointer;transition:width .3s,background .3s}
.mt-dot.is-on{width:34px;background:linear-gradient(90deg,var(--amber-d),#00D4FF)}
.mt-cta{margin:34px 0 0;text-align:center}
@media(max-width:1024px){.mt-card{flex-basis:calc((100% - 20px)/2)}}
@media(max-width:700px){
  .mt{padding:56px 0 66px}.mt-head{margin-bottom:26px}
  .mt-track{gap:14px;padding-bottom:18px}.mt-card{flex-basis:88%;padding:22px;border-radius:22px}
  .mt-ctrl{grid-template-columns:1fr;justify-items:center;gap:14px}.mt-dots{order:-1}
  .mt-cta .btn{width:100%}
}
@media(prefers-reduced-motion:reduce){.mt-track{scroll-behavior:auto}.mt-kick i{animation:none}}

/* প্লেলিস্ট স্লাইডার */
.vs{margin:0 0 44px}.vs:last-child{margin-bottom:0}
.vs-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 16px}
.vs-head h3{display:flex;align-items:center;gap:10px;margin:0;font:800 1.2rem/1.3 var(--f-h);color:var(--g900);min-width:0}
.vs-n{flex:none;display:grid;place-items:center;width:32px;height:32px;border-radius:11px;background:linear-gradient(135deg,var(--g700),var(--g500));color:#fff;font:800 .95rem var(--f-h)}
.vs-nav{display:flex;gap:8px;flex:none}
.vs-btn{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;border:1.5px solid var(--line);background:#fff;color:var(--g800);cursor:pointer;transition:.2s;box-shadow:0 4px 12px rgba(5,14,45,.08)}
.vs-btn:hover:not(:disabled){background:var(--g700);color:#fff;border-color:var(--g700)}
.vs-btn:disabled{opacity:.35;cursor:default}
.vs-track{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:4px 2px 10px;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain}
.vs-track::-webkit-scrollbar{display:none}
.vs-track:focus-visible{outline:3px solid rgba(0,212,255,.5);outline-offset:3px;border-radius:12px}
.vs-card{flex:0 0 calc((100% - 32px)/3);min-width:0;scroll-snap-align:start;display:flex;flex-direction:column;gap:10px;padding:0;border:0;background:none;text-align:left;cursor:pointer;color:inherit;font:inherit}
.vs-dots{display:flex;gap:7px;justify-content:center;margin-top:6px}
.vs-dots i{width:8px;height:8px;border-radius:99px;background:#C9D6EC;cursor:pointer;transition:.25s}
.vs-dots i.on{width:24px;background:var(--g600)}
@media(max-width:900px){.vs-card{flex-basis:calc((100% - 16px)/2)}}
@media(max-width:560px){.vs-card{flex-basis:82%}.vs-head h3{font-size:1.05rem}.vs-btn{width:36px;height:36px}.vs{margin-bottom:36px}}
.vs-prev svg{transform:scaleX(-1)}

/* কমেন্ট-স্টাইল রিভিউ */
.rvx{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:26px;align-items:start}
.rvx-list{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 14px 36px rgba(8,27,82,.07);min-width:0}
.rvx-top{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.rvx-top h3,.rvx-form h3{margin:0;font:800 1.15rem/1.3 var(--f-h);color:var(--g900);display:flex;align-items:center;gap:8px}
.rvx-c{display:inline-grid;place-items:center;min-width:26px;height:26px;padding:0 8px;border-radius:99px;background:var(--g600);color:#fff;font:700 .8rem var(--f-b)}
.rvx-avg{display:inline-flex;align-items:center;gap:6px;font-size:.95rem;color:var(--g900)}
.rvx-thread{list-style:none;margin:0;padding:0 4px 0 0;max-height:640px;overflow-y:auto;scrollbar-width:thin;display:grid;gap:4px}
.rvx-item{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line)}
.rvx-item:last-child{border-bottom:0}
.rvx-item .av{flex:none}
.rvx-body{flex:1;min-width:0;background:#F3F7FD;border-radius:6px 18px 18px 18px;padding:12px 15px}
.rvx-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.rvx-meta strong{font-family:var(--f-h);color:var(--g900)}
.rvx-meta time{margin-left:auto;font-size:.78rem;color:var(--muted)}
.rvx-course{display:block;color:var(--g600);font-weight:600;font-size:.82rem;margin:1px 0 3px}
.rvx-body .stars{font-size:.95rem}
.rvx-body p{margin:6px 0 0;overflow-wrap:anywhere;line-height:1.65}
.rvx-empty{margin:18px 0;text-align:center;color:var(--muted)}
.rvx-list .rv-actions{margin:16px 0 0}
.rvx-form{position:sticky;top:96px;display:grid;gap:14px;padding:24px;border-radius:24px;color:#fff;background:linear-gradient(155deg,#081B52,#0B2C86 60%,#0A47D1);box-shadow:0 22px 50px rgba(8,27,82,.3);min-width:0}
.rvx-form h3{color:#fff}
.rvx-form .fld{display:grid;gap:6px;margin:0}
.rvx-form .fld>span{font-weight:600;font-size:.9rem;color:#CFE0FF}
.rvx-form input:not([type=radio]),.rvx-form textarea{width:100%;padding:12px 14px;border-radius:14px;border:1.5px solid rgba(255,255,255,.2);background:rgba(255,255,255,.96);color:#0b1b3f;font:inherit}
.rvx-form input:focus,.rvx-form textarea:focus{outline:3px solid rgba(0,212,255,.55);border-color:transparent}
.rvx-form .rate label{font-size:2.1rem;color:rgba(255,255,255,.28)}
.rvx-send{justify-content:center;width:100%}
.rvx-form .form-msg{font-size:.92rem}
.rvx-form .form-msg.ok{background:rgba(37,211,102,.18);color:#C9FFE0;border:1px solid rgba(37,211,102,.5);padding:10px 12px;border-radius:12px}
.rvx-form .form-msg.err{background:rgba(255,80,80,.18);color:#FFD6D6;border:1px solid rgba(255,120,120,.5);padding:10px 12px;border-radius:12px}
.rvx-note{margin:0;font-size:.82rem;color:#B6C9EA;text-align:center}
@media(max-width:900px){.rvx{grid-template-columns:minmax(0,1fr)}.rvx-form{position:static}.rvx-thread{max-height:520px}}
@media(max-width:560px){.rvx-list{padding:16px}.rvx-form{padding:20px}.rvx-item{gap:9px}.rvx-body{padding:10px 12px}}