/* PSB Chattogram — cinematic scroll site. Plain CSS, no build step. */
:root{
  --canvas:#0b1030;--canvas-2:#111a4a;--panel:#16225c;--panel-2:#1b2a6e;
  --accent:#00a8e8;--accent-hover:#33bdf0;--accent-muted:rgba(0,168,232,.22);--accent-line:rgba(0,168,232,.45);
  --gold:#f4c265;--text-primary:#f2f5ff;--text-secondary:#aab6dc;--line:rgba(170,182,220,.16);--line-strong:rgba(170,182,220,.38);
  --display:'Outfit',sans-serif;--body:'Rubik',sans-serif;--mono:'IBM Plex Mono',monospace;--bn:'Noto Sans Bengali',sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);--ease-io:cubic-bezier(.65,0,.35,1);
  --tshadow:0 1px 2px rgba(5,5,10,.95),0 3px 12px rgba(5,5,10,.78),0 10px 44px rgba(5,5,10,.8);
  --gutter:clamp(18px,4vw,56px);--maxw:1200px;--nav:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:hidden;overflow-x:clip;scroll-behavior:auto;-webkit-text-size-adjust:100%}
body{margin:0;overflow-x:hidden;overflow-x:clip;background:var(--canvas);color:var(--text-primary);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;opacity:0;animation:pageIn 1.2s var(--ease) .1s forwards}
@keyframes pageIn{to{opacity:1}}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--display);line-height:1.06;letter-spacing:-.02em;font-weight:700;text-wrap:balance}
p{margin:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:fixed;top:-60px;left:16px;z-index:2000;padding:10px 16px;background:var(--accent);color:#04102a;border-radius:8px;font-weight:600}
.skip:focus{top:12px}
[lang=bn],.bn{font-family:var(--bn);line-height:1.9}
.mono{font-family:var(--mono);font-weight:500;letter-spacing:.02em}
.wrap{width:min(var(--maxw),100% - 2*var(--gutter));margin-inline:auto}
.wrap--wide{width:min(1480px,100% - 2*var(--gutter));margin-inline:auto}
section.block{position:relative;padding-block:clamp(72px,9vw,128px)}
.kicker{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:.74rem;letter-spacing:.24em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.kicker::before{content:"";width:26px;height:1px;background:currentColor}
.h2{font-size:clamp(2rem,4.4vw,3.5rem)}
.h3{font-size:clamp(1.3rem,2.1vw,1.75rem)}
.lede{color:var(--text-secondary);font-size:clamp(1.04rem,1.35vw,1.22rem);max-width:60ch}
.head{max-width:760px;margin-bottom:clamp(34px,5vw,60px)}
.head--center{margin-inline:auto;text-align:center}
.head--center .kicker::after{content:"";width:26px;height:1px;background:currentColor}
.muted{color:var(--text-secondary)}
.gold{color:var(--gold)}

/* ---------- environment layer ---------- */
.env{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.env canvas{position:absolute;inset:0;width:100%;height:100%}
.env::before{content:"";position:absolute;inset:-30%;background:radial-gradient(60% 50% at 20% 30%,rgba(0,168,232,.16),transparent 60%),radial-gradient(50% 40% at 80% 70%,rgba(40,48,144,.35),transparent 60%);animation:envDrift 90s ease-in-out -30s infinite alternate}
@keyframes envDrift{to{transform:translate3d(6%,-4%,0) rotate(8deg)}}
body.paused *,body.paused *::before,body.paused *::after{animation-play-state:paused!important}
main{position:relative;z-index:1}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:900;height:var(--nav);display:flex;align-items:center;transition:background .4s,border-color .4s,transform .6s var(--ease);border-bottom:1px solid transparent}
.nav.on{background:rgba(9,13,42,.72);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);border-color:var(--line)}
.nav.hide{transform:translateY(-100%)}
.nav .wrap--wide{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--display);font-weight:700;line-height:1.05}
.brand img{width:44px;height:44px;border-radius:12px;background:#fff;padding:3px}
.brand small{display:block;font-family:var(--mono);font-weight:500;font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--text-secondary)}
.nav__links{display:flex;gap:2px}
.nav__links a{padding:9px 13px;border-radius:999px;font-family:var(--display);font-weight:500;font-size:.94rem;color:var(--text-secondary);transition:color .25s,background .25s}
.nav__links a:hover,.nav__links a.active{color:var(--text-primary);background:rgba(255,255,255,.06)}
.nav__cta{display:flex;align-items:center;gap:10px}
.burger{display:none;width:46px;height:46px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid var(--line);place-items:center}
.burger span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:transform .35s var(--ease),opacity .3s}
.burger span+span{margin-top:5px}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0}
.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.menu{position:fixed;inset:0;z-index:890;background:var(--canvas);padding:calc(var(--nav) + 20px) var(--gutter) 40px;display:grid;align-content:center;clip-path:circle(0 at calc(100% - 42px) 36px);visibility:hidden;transition:clip-path .7s var(--ease-io),visibility 0s .7s}
.menu.open{clip-path:circle(150% at calc(100% - 42px) 36px);visibility:visible;transition:clip-path .7s var(--ease-io)}
.menu a{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-family:var(--display);font-size:clamp(1.6rem,6vw,2.6rem);font-weight:700;opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.menu.open a{opacity:1;transform:none}
.menu.open a:nth-child(n){transition-delay:calc(.12s + var(--i,0)*.05s)}
@media (max-width:1080px){.nav__links,.nav__cta .btn{display:none}.burger{display:grid}}
.progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:950;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--accent),#7fd8ff);pointer-events:none}

/* ---------- buttons ---------- */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 24px;border-radius:999px;font-family:var(--display);font-weight:600;font-size:.98rem;white-space:nowrap;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s,border-color .3s;touch-action:manipulation;text-shadow:none}
.btn svg{width:18px;height:18px;flex:none}
.btn--primary{background:var(--accent);color:#04102a;box-shadow:0 14px 40px -12px rgba(0,168,232,.55)}
.btn--primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 22px 50px -14px rgba(0,168,232,.7)}
.btn--ghost{background:rgba(255,255,255,.06);border:1px solid var(--line-strong);color:var(--text-primary);backdrop-filter:blur(10px)}
.btn--ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn--sm{min-height:42px;padding:0 18px;font-size:.9rem}
.btn .arr{transition:transform .35s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
@media (pointer:coarse){.btn{min-height:48px}}
.link{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-family:var(--display);font-weight:600}
.link svg{width:16px;height:16px;transition:transform .3s var(--ease)}
.link:hover svg{transform:translateX(4px)}

/* ---------- hero (scrub) ---------- */
.hero{position:relative;height:760vh;z-index:1}
.stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;background:var(--canvas)}
.stage .poster{position:absolute;inset:0;background:var(--canvas) center/cover no-repeat}
.stage video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .8s;will-change:transform;transform:translateZ(0)}
.stage.video-ready video{opacity:1}
.stage.video-failed video{display:none}
.scrim{position:absolute;inset:0;pointer-events:none;background:linear-gradient(rgba(8,10,28,.34),rgba(8,10,28,.34)),radial-gradient(ellipse 120% 90% at 50% 45%,rgba(8,10,28,0) 30%,rgba(8,10,28,.72) 100%)}
.scrim-top{position:absolute;inset:0 0 auto 0;height:140px;pointer-events:none;background:linear-gradient(180deg,rgba(8,10,28,.75),transparent)}
.band{position:absolute;inset:0;display:grid;pointer-events:none;opacity:0;text-shadow:var(--tshadow);padding:calc(var(--nav) + 4vh) var(--gutter) 10vh}
.band::before{content:"";position:absolute;inset:-4%;pointer-events:none;opacity:calc(.25 + .75*var(--k,1));background:radial-gradient(ellipse 74% 62% at var(--sx,50%) var(--sy,50%),rgba(5,6,16,var(--sa,.66)) 0%,rgba(5,6,16,calc(var(--sa,.66)*.8)) 46%,rgba(5,6,16,0) 80%)}
.band>*{position:relative;pointer-events:auto}
.band .inner{align-self:start;justify-self:start;max-width:min(640px,100%)}
.band .h{font-family:var(--display);font-weight:800;font-size:clamp(2.2rem,5.6vw,4.6rem);line-height:1.02;letter-spacing:-.025em;color:#fff}
.band .sub{margin-top:18px;font-size:clamp(1rem,1.5vw,1.25rem);color:var(--text-secondary);max-width:46ch}
.band .tag{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;padding:7px 12px;border-radius:10px;font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;background:rgba(8,8,15,.55);border:1px solid rgba(96,96,126,.3);backdrop-filter:blur(10px);text-shadow:0 1px 3px rgba(5,5,10,.85);color:#cfe8ff}
.band .tag i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-muted)}
/* band 1: top-left, settled */
.b1{--sx:30%;--sy:32%;--sa:.62}
.b1 .inner{align-self:start}
/* band 2: results stack, left column */
.b2{--sx:26%;--sy:52%;--sa:.88}
.b2 .inner{align-self:center;justify-self:start}
.result{font-family:var(--display);font-weight:700;font-size:clamp(1.5rem,3.4vw,2.7rem);line-height:1.15;color:#fff;margin-top:10px}
.result b{color:#4fc8f4;font-family:var(--mono);font-weight:500;font-size:.85em;letter-spacing:.02em}
/* band 3: two columns, sides */
.b3{--sa:.88}
.b3-unused::before{background:radial-gradient(ellipse 34% 60% at 20% 50%,rgba(5,6,16,var(--sa)) 0%,rgba(5,6,16,0) 76%),radial-gradient(ellipse 34% 60% at 80% 50%,rgba(5,6,16,var(--sa)) 0%,rgba(5,6,16,0) 76%)}
.b3 .cols{align-self:center;display:grid;grid-template-columns:1fr 1fr;gap:6vw;width:100%}
.b3 .col{max-width:420px}
.b3 .col:last-child{justify-self:end;text-align:right}
/* band 5: settle, centered */
.b5{--sx:50%;--sy:44%;--sa:.72}
.b5 .inner{align-self:center;justify-self:center;text-align:center;max-width:820px}
.b5 .h{font-size:clamp(2.4rem,6.6vw,5.4rem)}
.b5 .sub{margin-inline:auto;max-width:56ch}
.b5 .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:28px;opacity:var(--kb,0);transform:translateY(calc((1 - var(--kb,0))*14px))}
.b5 .sub{opacity:var(--ks,0);transform:translateY(calc((1 - var(--ks,0))*12px))}
/* text choreography */
.w{display:inline-block;white-space:pre}
.b1 .w,.b5 .w{--kc:clamp(0,(var(--k,0) - var(--th,0))*3,1);opacity:var(--kc);transform:translateY(calc((1 - var(--kc))*.6em))}
.b2 .w{--kc:clamp(0,(var(--k,0) - var(--th,0))*2.8,1);opacity:var(--kc);transform:translateY(calc((1 - var(--kc))*-28px))}
.b3 .col:first-child .w{--kc:clamp(0,(var(--k,0) - var(--th,0))*2.8,1);opacity:var(--kc);transform:translateX(calc((1 - var(--kc))*36px))}
.b3 .col:last-child .w{--kc:clamp(0,(var(--k,0) - var(--th,0))*2.8,1);opacity:var(--kc);transform:translateX(calc((1 - var(--kc))*-36px))}
.mask{display:inline-block;overflow:hidden;padding:.12em .05em .18em;margin:-.12em -.05em -.18em;vertical-align:bottom}
/* ring loader + cue + sound */
.ring{position:absolute;right:28px;bottom:28px;width:48px;height:48px;color:var(--accent);transform:rotate(-90deg);pointer-events:none}
.ring circle{transition:stroke-dashoffset .2s linear}
.cue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;font-family:var(--mono);font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:var(--text-secondary);pointer-events:none;opacity:calc(1 - var(--p,0)*4)}
.cue i{width:1px;height:44px;background:linear-gradient(180deg,var(--accent),transparent);animation:cue 1.8s var(--ease-io) infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
.sound{position:absolute;left:var(--gutter);bottom:26px;display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:999px;background:rgba(8,8,15,.55);border:1px solid rgba(96,96,126,.35);backdrop-filter:blur(10px);font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:#cfe8ff;z-index:5;min-height:44px}
.sound .bars{display:flex;gap:3px;align-items:flex-end;height:14px}
.sound .bars i{width:3px;height:4px;background:var(--accent);border-radius:2px;transition:height .2s}
.sound[aria-pressed=true] .bars i{animation:bar 1.1s ease-in-out infinite}
.sound .bars i:nth-child(2){animation-delay:-.3s}.sound .bars i:nth-child(3){animation-delay:-.6s}.sound .bars i:nth-child(4){animation-delay:-.9s}
@keyframes bar{0%,100%{height:4px}50%{height:14px}}
.hero-static{display:none}
@media (max-height:560px){.cue{display:none}}
/* the static hero: reduced motion only (phones keep the scrub, the user's call, 2026-09-21) */
@media (prefers-reduced-motion:reduce){
  .hero{height:auto;min-height:100svh}
  .stage{position:relative;height:auto;min-height:100svh;display:grid;align-items:end}
  .stage video,.band,.ring,.cue,.sound{display:none!important}
  .stage .poster{background-image:url("hero-ending.jpg")}
  .hero-static{display:block;position:relative;padding:calc(var(--nav) + 12vh) var(--gutter) 12vh;text-shadow:var(--tshadow)}
  .hero-static::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,10,28,.2),rgba(8,10,28,.85))}
  .hero-static>*{position:relative}
}

/* ---------- sections ---------- */
.band-dark{background:linear-gradient(180deg,var(--canvas),#0d1442 50%,var(--canvas))}
.band-2{background:var(--canvas-2)}
.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:1000px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,72px);align-items:center}
@media (max-width:900px){.split{grid-template-columns:1fr}}
.card{position:relative;padding:clamp(22px,2.6vw,32px);border-radius:22px;background:rgba(22,34,92,.55);border:1px solid var(--line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:transform .4s var(--ease),border-color .3s,background .3s}
.card:hover{transform:translateY(-4px);border-color:var(--accent-line);background:rgba(22,34,92,.75)}
.card h3{margin-bottom:10px;font-size:1.2rem}
.card p{color:var(--text-secondary)}
.card .ico{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;background:var(--accent-muted);border:1px solid var(--accent-line);margin-bottom:18px;color:var(--accent)}
.card .ico svg{width:24px;height:24px}
.media{position:relative;border-radius:22px;overflow:hidden;background:var(--panel);border:1px solid var(--line)}
.media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.media:hover img{transform:scale(1.04)}
.r43{aspect-ratio:4/3}.r11{aspect-ratio:1}.r169{aspect-ratio:16/9}.r34{aspect-ratio:3/4}
.cap{position:absolute;inset:auto 0 0;padding:16px;background:linear-gradient(0deg,rgba(6,8,24,.9),transparent);font-family:var(--display);font-weight:600;font-size:.95rem}
.stat{padding:26px;border-radius:20px;background:rgba(22,34,92,.45);border:1px solid var(--line)}
.stat b{display:block;font-family:var(--display);font-size:clamp(2.1rem,4vw,3.2rem);font-weight:800;line-height:1;color:#fff}
.stat b small{font-size:.5em;color:var(--accent);margin-left:2px}
.stat span{display:block;margin-top:8px;color:var(--text-secondary);font-size:.95rem}
.chip{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;font-size:.84rem;background:rgba(255,255,255,.06);border:1px solid var(--line)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.check li{position:relative;padding-left:30px;margin-bottom:10px;color:var(--text-secondary)}
.check li::before{content:"";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;border:1px solid var(--accent-line);background:var(--accent-muted)}
.check li::after{content:"";position:absolute;left:6px;top:9px;width:5px;height:8px;border:solid var(--accent);border-width:0 2px 2px 0;transform:rotate(45deg)}
.check strong{color:var(--text-primary)}

/* entrance choreography */
.rv{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}
.stg>*{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.stg.in>*{opacity:1;transform:none}
.stg.in>*:nth-child(1){transition-delay:.05s}.stg.in>*:nth-child(2){transition-delay:.13s}.stg.in>*:nth-child(3){transition-delay:.21s}.stg.in>*:nth-child(4){transition-delay:.29s}.stg.in>*:nth-child(5){transition-delay:.37s}.stg.in>*:nth-child(6){transition-delay:.45s}.stg.in>*:nth-child(7){transition-delay:.53s}.stg.in>*:nth-child(8){transition-delay:.61s}.stg.in>*:nth-child(n+9){transition-delay:.7s}
.stg.done>*:nth-child(n){transition-delay:0s!important}

/* ---------- success wheel ---------- */
.wheel-sec{overflow:hidden;padding-block:clamp(60px,8vw,110px)}
.wheel-head{position:relative;text-align:center;max-width:760px;margin:0 auto 20px}
.ringsvg{position:absolute;left:50%;top:50%;width:min(620px,120vw);height:auto;transform:translate(-50%,-50%);z-index:-1;opacity:.55}
.ringsvg circle{fill:none;stroke:var(--accent);stroke-width:1;stroke-dasharray:1900;stroke-dashoffset:var(--d,1900);transition:stroke-dashoffset 1.6s var(--ease)}
.wheel-wrap{position:relative;height:460px;perspective:1600px;perspective-origin:50% 45%;user-select:none;touch-action:pan-y;cursor:grab}
.wheel-wrap.drag{cursor:grabbing}
.wheel{position:absolute;left:50%;top:50%;width:230px;height:300px;margin:-150px 0 0 -115px;transform-style:preserve-3d;transform:translateZ(calc(-1 * var(--r,1200px))) rotateY(var(--rot,0deg))}
.wcard{position:absolute;inset:0;border-radius:18px;background:linear-gradient(160deg,rgba(27,42,110,.92),rgba(11,16,48,.92));border:1px solid var(--line-strong);backdrop-filter:blur(6px);padding:18px;display:flex;flex-direction:column;gap:10px;backface-visibility:hidden;transform:rotateY(var(--a)) translateZ(var(--r));transition:box-shadow .3s;box-shadow:0 30px 60px -30px rgba(0,0,0,.8)}
.wcard.front{box-shadow:0 0 0 1px var(--accent-line),0 30px 70px -20px rgba(0,168,232,.45)}
.wcard .ph{width:100%;aspect-ratio:1;border-radius:12px;overflow:hidden;background:var(--panel-2)}
.wcard .ph img{width:100%;height:100%;object-fit:cover;object-position:top}
.wcard .ph.ini{display:grid;place-items:center;font-family:var(--display);font-size:2.6rem;font-weight:800;color:var(--accent);background:radial-gradient(circle at 30% 20%,rgba(0,168,232,.35),rgba(11,16,48,1))}
.wcard .nm{font-family:var(--display);font-weight:700;font-size:1rem;line-height:1.2}
.wcard .pp{font-size:.82rem;color:var(--text-secondary);line-height:1.35}
.wcard .sc{margin-top:auto;font-family:var(--mono);font-size:.78rem;color:var(--gold);letter-spacing:.06em}
.wcard .sc.blue{color:var(--accent)}
.wheel-ctl{display:flex;justify-content:center;gap:10px;margin-top:8px}
.wheel-ctl button{width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.06);border:1px solid var(--line-strong);display:grid;place-items:center;transition:background .25s}
.wheel-ctl button:hover{background:var(--accent);color:#04102a}
.wheel-ctl svg{width:18px;height:18px}
.wheel-detail{max-width:720px;margin:18px auto 0;text-align:center;min-height:3.4em;color:var(--text-secondary);font-size:1rem}
.wheel-detail b{color:#fff;font-family:var(--display)}
.wheel-grid{display:none;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.wheel-grid .wcard{position:relative;transform:none;inset:auto}
@media (prefers-reduced-motion:reduce){.wheel-wrap,.wheel-ctl{display:none}.wheel-grid{display:grid}}
@media (max-width:560px){.wheel{width:190px;height:270px;margin:-135px 0 0 -95px}.wheel-wrap{height:400px}}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:s}
@media (max-width:820px){.steps{grid-template-columns:1fr}}
.step{padding:28px;border-radius:22px;background:rgba(22,34,92,.5);border:1px solid var(--line);position:relative}
.step::before{counter-increment:s;content:"0" counter(s);font-family:var(--mono);font-size:.75rem;letter-spacing:.2em;color:var(--accent)}
.step h3{margin:12px 0 8px;font-size:1.35rem}
.step p{color:var(--text-secondary)}

/* ---------- marquee ---------- */
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.track{display:flex;gap:40px;width:max-content;animation:mq var(--dur,40s) linear infinite;padding-block:8px}
.marquee:hover .track{animation-play-state:paused}
.track img{height:56px;width:auto;max-width:170px;object-fit:contain;filter:brightness(0) invert(1);opacity:.8}
.track.color img{filter:none;background:#fff;border-radius:10px;padding:7px;height:66px}
@keyframes mq{to{transform:translateX(-50%)}}

/* ---------- roadmap ---------- */
.road{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media (max-width:1000px){.road{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.road{grid-template-columns:1fr}}
.road svg.line{position:absolute;left:0;right:0;top:34px;width:100%;height:2px;overflow:visible;pointer-events:none}
.road svg.line path{stroke:var(--accent);stroke-width:2;fill:none;stroke-dasharray:2000;stroke-dashoffset:var(--d,2000);transition:stroke-dashoffset 2.2s var(--ease)}
.lvl{padding:24px;border-radius:20px;background:rgba(22,34,92,.5);border:1px solid var(--line);position:relative}
.lvl .n{width:22px;height:22px;border-radius:50%;background:var(--canvas);border:3px solid var(--accent);margin-bottom:16px}
.lvl h3{font-size:1.15rem;margin-bottom:6px}
.lvl .meta{font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;color:var(--accent);margin-bottom:12px}
.papers{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.papers span{padding:5px 9px;border-radius:8px;font-family:var(--mono);font-size:.74rem;background:var(--accent-muted);border:1px solid var(--accent-line);color:#cfe8ff}

/* ---------- tables / pricing ---------- */
.price{display:flex;flex-direction:column;height:100%}
.price .amt{font-family:var(--display);font-size:2rem;font-weight:800;line-height:1;margin:8px 0 16px}
.price .amt small{font-size:.5em;color:var(--text-secondary);font-weight:500;margin-left:4px}
.price ul{display:grid;gap:6px;color:var(--text-secondary);font-size:.93rem}
.price.hot{border-color:var(--accent-line);box-shadow:0 0 0 1px var(--accent-muted),0 20px 50px -20px rgba(0,168,232,.4)}
.tbl{overflow-x:auto;border-radius:18px;border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;font-size:.94rem}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:var(--display);font-weight:600;background:rgba(255,255,255,.05);white-space:nowrap}
tr.grp td{font-family:var(--display);font-weight:700;color:var(--accent);background:rgba(0,168,232,.06)}
td.n{font-family:var(--mono);text-align:right;white-space:nowrap;font-weight:500}
th.n{text-align:right}
.note{padding:16px 18px;border-radius:16px;background:rgba(0,168,232,.08);border:1px solid var(--accent-line);font-size:.95rem}
.note a,.txt a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}

/* ---------- people ---------- */
.person{text-align:center}
.person .ph{aspect-ratio:1;border-radius:20px;overflow:hidden;background:var(--panel);border:1px solid var(--line)}
.person .ph img{width:100%;height:100%;object-fit:cover;object-position:top}
.person h3{margin-top:14px;font-size:1.1rem}
.person .role{color:var(--accent);font-size:.9rem;font-family:var(--mono)}
.person .m{color:var(--text-secondary);font-size:.9rem;margin-top:6px}
.medal{display:inline-flex;align-items:center;gap:6px;margin-top:8px;padding:5px 11px;border-radius:999px;background:rgba(244,194,101,.14);border:1px solid rgba(244,194,101,.45);color:var(--gold);font-size:.78rem;font-family:var(--mono)}
.quote{display:flex;flex-direction:column;gap:16px;height:100%}
.quote p{color:var(--text-primary);font-size:.98rem;line-height:1.7}
.quote p::before{content:"\201C";display:block;font-family:var(--display);font-size:3rem;line-height:.5;color:var(--accent);margin-bottom:12px}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:auto}
.quote .who img{width:52px;height:52px;border-radius:50%;object-fit:cover;border:2px solid var(--accent)}
.quote .who b{display:block;font-family:var(--display)}
.quote .who span{font-size:.82rem;color:var(--text-secondary);font-family:var(--mono)}

/* ---------- tabs / accordion ---------- */
.tabs{display:flex;flex-wrap:wrap;gap:6px;padding:6px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line);width:fit-content;max-width:100%;margin-bottom:26px}
.tabs button{display:inline-flex;align-items:center;gap:9px;padding:9px 16px;border-radius:999px;font-family:var(--display);font-weight:600;color:var(--text-secondary);transition:background .25s,color .25s;min-height:44px}
.tabs button img{width:22px;height:15px;object-fit:cover;border-radius:3px}
.tabs button[aria-selected=true]{background:var(--accent);color:#04102a}
[role=tabpanel][hidden]{display:none}
.acc{border-top:1px solid var(--line)}
.acc details{border-bottom:1px solid var(--line)}
.acc summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;font-family:var(--display);font-weight:600;font-size:1.06rem;min-height:44px}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"+";font-size:1.5rem;color:var(--accent);transition:transform .35s var(--ease)}
.acc details[open] summary::after{transform:rotate(45deg)}
.acc .body{padding:0 0 22px;color:var(--text-secondary);max-width:78ch}
.acc .body ol{padding-left:20px;list-style:decimal}
.acc .body ol li{margin-bottom:8px}
.acc .body ul{padding-left:18px;list-style:disc}
.acc .body strong{color:var(--text-primary)}
.acc.two{columns:2;column-gap:40px}
.acc.two details{break-inside:avoid}
@media (max-width:900px){.acc.two{columns:1}}

/* ---------- universities ---------- */
.uni-tools{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:0 0 18px}
.inp{min-height:48px;padding:10px 14px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid var(--line-strong);color:var(--text-primary);font:inherit;width:100%}
.inp::placeholder{color:var(--text-secondary)}
.inp:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.1)}
select.inp{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%2300a8e8' stroke-width='2'%3E%3Cpath d='m4 6 4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}
select.inp option{color:#04102a}
textarea.inp{min-height:120px;resize:vertical}
.unis{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr));gap:12px}
.uni{padding:16px;border-radius:16px;background:rgba(22,34,92,.5);border:1px solid var(--line);display:grid;gap:6px;font-size:.88rem}
.uni h4{font-size:1rem;line-height:1.25;font-weight:600}
.uni .row{display:flex;gap:8px;color:var(--text-secondary)}
.uni .row b{color:var(--text-primary);font-weight:500;flex:none;width:72px}
.uni .fee{font-family:var(--mono);color:var(--gold);margin-top:2px}
.country-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;margin-bottom:26px}
@media (max-width:860px){.country-hero{grid-template-columns:1fr}}
.logos{display:flex;flex-wrap:wrap;gap:10px}
.logos img{height:44px;width:auto;background:#fff;border-radius:8px;padding:6px}

/* ---------- gallery ---------- */
.gallery{columns:3;column-gap:14px}
.gallery figure{margin:0 0 14px;break-inside:avoid;border-radius:16px;overflow:hidden;border:1px solid var(--line);position:relative;cursor:zoom-in}
.gallery img{transition:transform .9s var(--ease)}
.gallery figure:hover img{transform:scale(1.04)}
.gallery figcaption{position:absolute;inset:auto 0 0;padding:12px;font-size:.82rem;background:linear-gradient(0deg,rgba(6,8,24,.85),transparent);opacity:0;transition:opacity .3s}
.gallery figure:hover figcaption{opacity:1}
@media (max-width:900px){.gallery{columns:2}}
@media (max-width:540px){.gallery{columns:1}}
.lightbox{position:fixed;inset:0;z-index:1200;display:grid;place-items:center;padding:20px;background:rgba(6,8,24,.92);backdrop-filter:blur(10px);opacity:0;visibility:hidden;transition:opacity .35s,visibility 0s .35s}
.lightbox.open{opacity:1;visibility:visible;transition:opacity .35s}
.lightbox img{max-width:min(1100px,100%);max-height:84vh;width:auto;border-radius:14px}
.lightbox button{position:absolute;top:18px;right:18px;width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.08);border:1px solid var(--line-strong);display:grid;place-items:center}
.lightbox svg{width:22px;height:22px}

/* ---------- news ---------- */
.post{display:grid;grid-template-rows:auto 1fr;padding:0;overflow:hidden}
.post .media{border-radius:0;border:0;aspect-ratio:16/9}
.post .body{padding:22px;display:grid;gap:8px;align-content:start}
.post time{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;color:var(--accent)}
.post h3{font-size:1.15rem;margin:0}
.article{max-width:760px;margin:0 auto;font-size:1.04rem;line-height:1.8;color:var(--text-secondary)}
.article p{margin-bottom:1.1em}
.article strong{color:var(--text-primary)}
.article h2,.article h3{margin:1.4em 0 .5em;color:#fff;font-size:1.3rem}
.article ul,.article ol{padding-left:22px;list-style:disc;margin-bottom:1.1em}
.article img{border-radius:14px;margin:1.2em 0}
.article a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.article[lang=bn]{font-family:var(--bn);line-height:2}

/* ---------- form / book ---------- */
.book{border-radius:28px;padding:clamp(28px,5vw,60px);background:linear-gradient(120deg,rgba(27,42,110,.9),rgba(11,16,48,.95));border:1px solid var(--line-strong);position:relative;overflow:hidden}
.book::before{content:"";position:absolute;inset:-40%;z-index:0;background:conic-gradient(from 90deg at 70% 40%,rgba(0,168,232,.3),transparent 30%,rgba(40,48,144,.4) 60%,transparent 80%);filter:blur(70px);animation:spin 24s linear -8s infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.book>*{position:relative;z-index:1}
.book .split{align-items:start}
.form{display:grid;gap:14px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:600px){.row2{grid-template-columns:1fr}}
.field{display:grid;gap:7px}
.field label{font-family:var(--display);font-weight:500;font-size:.92rem}
.field label em{color:var(--accent);font-style:normal}
.field .err{display:none;font-size:.82rem;color:#ffb3a8}
.field.bad .inp{border-color:#ff8b7a}
.field.bad .err{display:block}
.radios{display:flex;flex-wrap:wrap;gap:8px}
.radios label{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid var(--line);cursor:pointer;font-size:.9rem;min-height:44px}
.radios input{accent-color:var(--accent)}
.radios label:has(input:checked){border-color:var(--accent);background:var(--accent-muted)}
.status{display:none;padding:14px 16px;border-radius:12px;background:rgba(0,168,232,.12);border:1px solid var(--accent-line)}
.status.show{display:block}
.contact-list{display:grid;gap:14px}
.contact-list a{display:flex;align-items:center;gap:12px;color:var(--text-primary)}
.contact-list svg{width:18px;height:18px;color:var(--accent);flex:none}
.contact-list b{display:block;font-family:var(--display);font-size:.9rem;color:var(--text-secondary);font-weight:500}
.map{border-radius:18px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10;background:var(--panel)}
.map iframe{width:100%;height:100%;border:0;filter:saturate(.85)}

/* ---------- footer ---------- */
.footer{position:relative;z-index:1;background:#070a22;border-top:1px solid var(--line);padding-top:clamp(50px,7vw,90px);color:var(--text-secondary);font-size:.94rem}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
@media (max-width:1000px){.fgrid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.fgrid{grid-template-columns:1fr}}
.footer h4{color:#fff;margin-bottom:16px;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;font-family:var(--mono);font-weight:500}
.footer ul{display:grid;gap:9px}
.footer a:hover{color:var(--accent)}
.dept{padding:12px 0;border-top:1px solid var(--line);display:grid;gap:4px}
.dept b{color:#fff;font-family:var(--display);font-weight:600}
.fbottom{margin-top:44px;padding:20px 0;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:.82rem}
.flogos{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.flogos img{height:50px;width:auto;background:#fff;border-radius:10px;padding:5px}
.socials{display:flex;gap:10px}
.socials a{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.06);border:1px solid var(--line);transition:transform .3s var(--ease),background .25s}
.socials a:hover{transform:translateY(-3px);background:var(--accent);color:#04102a}
.socials svg{width:20px;height:20px}
.floatwa{position:fixed;right:18px;bottom:18px;z-index:850;width:58px;height:58px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 14px 30px -8px rgba(37,211,102,.6);transition:transform .3s var(--ease)}
.floatwa:hover{transform:scale(1.08)}
.floatwa svg{width:30px;height:30px;color:#fff}
.floatwa::after{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid rgba(37,211,102,.55);animation:pulse 2s var(--ease) -1s infinite}
@keyframes pulse{0%{transform:scale(.9);opacity:1}100%{transform:scale(1.35);opacity:0}}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent)}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;transition-delay:0s!important}
  body{opacity:1}
  .rv,.stg>*{opacity:1;transform:none}
  .ringsvg circle,.road svg.line path{stroke-dashoffset:0}
  .env::before{transform:none}
}

/* ---------- office visit: press and hold ---------- */
.visit{display:grid;gap:22px;max-width:1000px;margin:0 auto}
.visit__screen{position:relative;aspect-ratio:16/9;border-radius:24px;overflow:hidden;background:var(--panel);border:1px solid var(--line-strong);box-shadow:0 40px 90px -40px rgba(0,0,0,.9)}
.visit__screen video{width:100%;height:100%;object-fit:cover;display:block;transform:translateZ(0)}
.visit__dim{position:absolute;inset:0;background:rgba(6,8,24,.55);transition:opacity .6s var(--ease);pointer-events:none}
.visit.walking .visit__dim{opacity:.08}
.visit.arrived .visit__dim{opacity:.72}
.visit__hud{position:absolute;top:16px;left:16px;right:16px;display:flex;justify-content:space-between;gap:10px;font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase}
.visit__hud span{padding:7px 12px;border-radius:10px;background:rgba(8,8,15,.55);border:1px solid rgba(96,96,126,.3);backdrop-filter:blur(10px);color:#cfe8ff;text-shadow:0 1px 3px rgba(5,5,10,.85)}
.visit__bar{position:absolute;left:0;right:0;bottom:0;height:4px;background:rgba(255,255,255,.12)}
.visit__bar i{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--accent),#7fd8ff);transform-origin:0 50%;transform:scaleX(var(--p,0))}
.visit__arrived{position:absolute;inset:auto 0 0;padding:clamp(20px,4vw,36px);background:linear-gradient(0deg,rgba(6,8,24,.96),rgba(6,8,24,.6) 80%,transparent);transform:translateY(12px);opacity:0;transition:opacity .7s var(--ease),transform .7s var(--ease)}
.visit__arrived:not([hidden]){opacity:1;transform:none}
.visit__ctl{text-align:center}
.hold{position:relative;display:inline-flex;align-items:center;gap:14px;min-height:64px;padding:0 28px 0 12px;border-radius:999px;background:var(--accent);color:#04102a;font-family:var(--display);font-weight:700;font-size:1.05rem;box-shadow:0 18px 50px -14px rgba(0,168,232,.7);touch-action:none;user-select:none;-webkit-user-select:none;transition:transform .25s var(--ease),background .25s}
.hold:active,.hold.on{transform:scale(.97);background:#7fd8ff}
.hold__ring{width:44px;height:44px;border-radius:50%;background:rgba(4,16,42,.14);display:grid;place-items:center}
.hold__ring svg{width:44px;height:44px;transform:rotate(-90deg)}
.hold__ring circle{fill:none;stroke:#04102a;stroke-width:3;stroke-dasharray:132;stroke-dashoffset:calc(132 - 132*var(--p,0));transition:stroke-dashoffset .12s linear}
.visit.arrived .hold{background:var(--gold)}
@media (pointer:coarse){.hold{min-height:64px}}
@media (prefers-reduced-motion:reduce){.visit__dim{opacity:.72}.visit__arrived{opacity:1;transform:none}}

/* ---------- hero: student names + photo card ---------- */
.band>*{pointer-events:none}
.band.live>*{pointer-events:auto}
.result .name{font:inherit;color:#fff;padding:0 .08em;border-radius:6px;background:transparent;text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:.16em;cursor:pointer;transition:background .25s,color .25s}
.result .name:hover,.result .name:focus-visible{background:rgba(0,168,232,.22);color:#dff4ff}
.photocard{position:absolute;z-index:6;width:280px;padding:14px;border-radius:18px;background:rgba(9,13,42,.9);border:1px solid var(--accent-line);backdrop-filter:blur(14px);box-shadow:0 30px 70px -20px rgba(0,0,0,.9);opacity:0;transform:translateY(8px) scale(.98);transition:opacity .25s var(--ease),transform .25s var(--ease);pointer-events:auto;text-shadow:none}
.photocard.on{opacity:1;transform:none}
.photocard img{display:block;width:100%;height:auto;border-radius:12px;background:var(--panel-2)}
.photocard.noimg::before{content:attr(data-ini);display:grid;place-items:center;width:100%;aspect-ratio:1;border-radius:12px;font-family:var(--display);font-size:3rem;font-weight:800;color:var(--accent);background:radial-gradient(circle at 30% 20%,rgba(0,168,232,.35),rgba(11,16,48,1))}
.photocard__body{display:grid;gap:3px;margin-top:10px}
.photocard__body b{font-family:var(--display);font-size:1.02rem}
.photocard__body span{font-size:.84rem;color:var(--text-secondary)}
.photocard__body em{font-style:normal;font-family:var(--mono);font-size:.78rem;color:var(--gold)}
@media (prefers-reduced-motion:reduce){.photocard{display:none!important}}

/* ---------- phones: the scrub stays, laid out for a narrow portrait stage ---------- */
@media (max-width:720px),(orientation:portrait) and (pointer:coarse){
  .hero{height:560vh}
  .band{padding:calc(var(--nav) + 2vh) var(--gutter) 14vh}
  .b1 .inner,.b2 .inner{align-self:end;justify-self:start;max-width:100%}
  .b1 .h{font-size:clamp(2.1rem,11vw,3.2rem)}
  .b5 .h{font-size:clamp(2rem,10vw,3rem)}
  .result{font-size:clamp(1.25rem,6.2vw,1.9rem);margin-top:8px}
  .result b{display:block;font-size:.72em;margin-top:2px}
  .band .sub{font-size:.95rem}
  .band::before{opacity:1;background:linear-gradient(180deg,rgba(5,6,16,0) 30%,rgba(5,6,16,var(--sa,.7)) 62%,rgba(5,6,16,.92) 100%)}
  .b2{--sa:.9}.b3{--sa:.9}.b4{--sa:.9}.b5{--sa:.9}
  .cue{bottom:14px}.ring{right:14px;bottom:14px}.sound{left:14px;bottom:14px}
  .hero--fit .stage video,.hero--fit .stage .poster{object-fit:contain;object-position:50% 34%;background-size:contain;background-position:50% 34%;background-repeat:no-repeat}
  .photocard{position:fixed;left:12px!important;right:12px;top:auto!important;bottom:92px;width:auto;display:grid;grid-template-columns:96px 1fr;gap:12px;align-items:center;padding:12px;z-index:960;transform:translateY(12px)}
  .photocard.on{transform:none}
  .photocard img{width:96px;height:96px;object-fit:cover;object-position:top}
  .photocard.noimg::before{width:96px;font-size:2rem}
  .photocard__body{margin-top:0}
}