/* Space School Bangladesh v3 — brand: deep-space black/navy + orange→amber (from the official logo). Dark-first; admin is light by default. */
:root{--o:#ff7a00;--a:#ffb020;--grad:linear-gradient(135deg,#ff7a00,#ffb020);--gradt:linear-gradient(90deg,#ff8a1a,#ffc24d);
--ok:#19b37a;--warn:#e0a100;--err:#ff5468;--r:16px;--font:"Plus Jakarta Sans","Hind Siliguri","Noto Sans Bengali",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--bn:"Hind Siliguri","Noto Sans Bengali",sans-serif;
--bg:#05070d;--bg2:#0a0e1a;--surface:rgba(255,255,255,.045);--surface2:rgba(255,255,255,.08);--solid:#0d1220;--ink:#f3f5fa;--muted:#9aa3b8;--line:rgba(255,255,255,.1);--link:#ffb44d;--sh:0 10px 40px rgba(0,0,0,.35);--field:#0b1020;--glass:blur(14px) saturate(1.4)}
body.admin,html[data-theme=light] body:not(.admin){--bg:#f5f6f9;--bg2:#fff;--surface:#fff;--surface2:#f1f3f7;--solid:#fff;--ink:#141821;--muted:#5d6577;--line:#e4e7ee;--link:#c25700;--sh:0 1px 2px rgba(16,24,40,.05),0 8px 24px rgba(16,24,40,.06);--field:#fff}
html[data-theme=dark] body.admin{--bg:#05070d;--bg2:#0a0e1a;--surface:rgba(255,255,255,.045);--surface2:rgba(255,255,255,.08);--solid:#0d1220;--ink:#f3f5fa;--muted:#9aa3b8;--line:rgba(255,255,255,.1);--link:#ffb44d;--sh:0 10px 40px rgba(0,0,0,.35);--field:#0b1020}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font:16px/1.6 var(--font);color:var(--ink);background:var(--bg)}
a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.18;letter-spacing:-.02em;margin:.2em 0 .4em}h1{font-size:clamp(1.6rem,4vw,2.3rem)}h2{font-size:clamp(1.25rem,3vw,1.6rem)}h3{font-size:1.08rem}
img{max-width:100%}.bn{font-family:var(--bn)}.muted{color:var(--muted)}.small{font-size:.86rem}.center{text-align:center}.right{text-align:right}.nowrap{white-space:nowrap}
:focus-visible{outline:3px solid var(--a);outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;color:#000;padding:8px 12px;z-index:99}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}.pad{padding-top:28px;padding-bottom:56px}.narrow{max-width:800px;margin-left:auto;margin-right:auto}
.og,.grad{background:var(--gradt);-webkit-background-clip:text;background-clip:text;color:transparent}
/* header (always dark; transparent over the home hero, solid on scroll) */
.top,.stop{position:sticky;top:0;z-index:30;background:rgba(5,7,13,.86);backdrop-filter:var(--glass);-webkit-backdrop-filter:var(--glass);border-bottom:1px solid rgba(255,255,255,.08);color:#fff;transition:background .3s,border-color .3s}
body.home .top{position:fixed;left:0;right:0;background:transparent;border-color:transparent;backdrop-filter:none;-webkit-backdrop-filter:none}
body.home .top.scrolled{background:rgba(5,7,13,.9);border-color:rgba(255,255,255,.08);backdrop-filter:var(--glass);-webkit-backdrop-filter:var(--glass)}
.topin{display:flex;align-items:center;gap:14px;height:66px}
.brand{display:flex;align-items:center;gap:10px;color:#fff!important;text-decoration:none!important;flex:none}
.brand .mark{width:36px;height:36px;flex:none;object-fit:contain;filter:drop-shadow(0 0 10px rgba(255,122,0,.55))}
.brand span{display:flex;flex-direction:column;line-height:1.02}.brand b{font-weight:800;font-size:1rem;letter-spacing:.12em}.brand small{font-size:.64rem;letter-spacing:.34em;text-transform:uppercase;color:var(--a);font-weight:700}
.nav{margin-left:auto;display:flex;align-items:center;gap:20px;font-weight:600;font-size:.86rem;letter-spacing:.06em;text-transform:uppercase}.nav>a:not(.btn){color:#e9ecf3}.nav>a:not(.btn):hover{color:var(--a);text-decoration:none}
.iconbtn{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.14);background:transparent;color:#fff!important;cursor:pointer;font-size:1rem;position:relative;text-decoration:none!important;text-transform:none;letter-spacing:0}
.iconbtn.lang{font-size:.75rem;font-weight:800}.bell .badge{position:absolute;top:-5px;right:-5px;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--o);color:#fff;font-size:.7rem;font-weight:800;display:grid;place-items:center}
/* login dropdown */
.loginmenu{position:relative}.loginmenu summary{list-style:none;cursor:pointer}.loginmenu summary::-webkit-details-marker{display:none}
.lmenu{position:absolute;right:0;top:calc(100% + 10px);width:290px;background:#0d1220;border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:8px;box-shadow:0 24px 60px rgba(0,0,0,.55);text-transform:none;letter-spacing:0;animation:pop .18s ease-out}
.lmenu>a{display:grid;grid-template-columns:34px 1fr;grid-template-rows:auto auto;column-gap:10px;padding:10px 12px;border-radius:12px;color:#fff!important;text-decoration:none!important}
.lmenu>a span{grid-row:1/3;font-size:1.3rem;display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:rgba(255,122,0,.14)}.lmenu>a small{color:#9aa3b8;font-weight:500}.lmenu>a:hover{background:rgba(255,255,255,.06)}
.lsmall{border-top:1px solid rgba(255,255,255,.1);margin-top:6px;padding:8px 12px 4px;font-size:.78rem;color:#9aa3b8}.lsmall a{color:#c9cfdc}
@keyframes pop{from{opacity:0;transform:translateY(-6px)}}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:12px;padding:11px 18px;font:700 .95rem/1.2 var(--font);color:#1a0d00!important;background:var(--grad);cursor:pointer;text-decoration:none!important;transition:transform .12s,box-shadow .2s,filter .2s;text-transform:none;letter-spacing:0}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 26px rgba(255,122,0,.35);filter:brightness(1.05)}.btn.lg{padding:14px 24px;font-size:1.02rem}.btn.sm{padding:7px 12px;font-size:.84rem;border-radius:10px}.btn.block{width:100%}
.btn.ghost{background:transparent;color:var(--ink)!important;box-shadow:inset 0 0 0 1.5px var(--line)}.btn.ghost:hover{box-shadow:inset 0 0 0 1.5px var(--o)}
.top .btn.ghost,.stop .btn.ghost{color:#fff!important;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.35)}
.btn.ghost.light{color:#fff!important;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.4)}.btn.danger{background:var(--err);color:#fff!important}.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn.bso{background:linear-gradient(135deg,#ff5e00,#ff9f1c)}
.linkbtn{background:none;border:0;color:var(--link);font:inherit;cursor:pointer;padding:0}
.xbtn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border:2px solid #fff;color:#fff!important;font:700 .86rem/1 var(--font);letter-spacing:.18em;text-transform:uppercase;text-decoration:none!important;border-radius:2px;background:transparent;transition:background .25s,color .25s,border-color .25s}
.xbtn:hover{background:#fff;color:#05070d!important}.xbtn.alt{border-color:rgba(255,176,32,.7)}.xbtn.alt:hover{background:var(--a);border-color:var(--a)}
/* hamburger + full-screen menu */
.burger{display:none;width:42px;height:42px;border:0;background:transparent;cursor:pointer;position:relative;z-index:42;margin-left:4px}
.burger span{position:absolute;left:9px;right:9px;height:2px;background:#fff;border-radius:2px;transition:transform .3s,opacity .2s}.burger span:nth-child(1){top:13px}.burger span:nth-child(2){top:20px}.burger span:nth-child(3){top:27px}
.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)}
.fsmenu{position:fixed;inset:0;z-index:29;background:rgba(5,7,13,.97);backdrop-filter:blur(8px);display:flex;flex-direction:column;justify-content:center;padding:90px 30px 30px;opacity:0;transition:opacity .3s}
.fsmenu.open{opacity:1}.fsmenu nav a{display:block;color:#fff;font-size:1.5rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:8px 0;opacity:0;transform:translateY(14px);transition:opacity .4s,transform .4s}
.fsmenu.open nav a{opacity:1;transform:none}.fsmenu.open nav a:nth-child(n){transition-delay:calc(var(--i,0)*40ms)}
.fslogin{display:grid;gap:10px;margin-top:26px}.fslogin p a{color:#c9cfdc}
body.menu-open{overflow:hidden}
/* SpaceX-style stacked full-viewport sections */
body.home main{padding:0}
.xsec{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;color:#fff;background:#05070d;isolation:isolate}
.xbg{position:absolute;inset:-6% 0;z-index:-1;transform:translate3d(0,var(--py,0),0) scale(var(--pz,1.04));transition:transform .1s linear;will-change:transform}
.xin{position:relative;width:100%;max-width:1180px;margin:0 auto;padding:0 24px 13vh}
.xeye{display:block;font-size:.78rem;font-weight:700;letter-spacing:.32em;text-transform:uppercase;color:var(--a);margin-bottom:14px}
.xh{font-size:clamp(2.3rem,7vw,5.2rem);font-weight:800;line-height:.98;text-transform:uppercase;letter-spacing:-.01em;margin:0 0 18px;max-width:14ch}
.xline{font-size:clamp(1rem,1.6vw,1.2rem);max-width:540px;color:#d7dbe5;margin:0 0 28px}.xline .bn{display:block;margin-top:6px;opacity:.85}
.xctas{display:flex;gap:14px;flex-wrap:wrap}
.xhero{align-items:center}.xhero .xin{padding-bottom:0;padding-top:66px}
.xhero .xbg{background:radial-gradient(60% 70% at 78% 62%,rgba(255,122,0,.55),transparent 70%),radial-gradient(40% 50% at 95% 100%,rgba(255,176,32,.45),transparent 70%),linear-gradient(160deg,#05070d 30%,#1a0b02 70%,#3a1600)}
.stars{position:absolute;inset:0;background-image:radial-gradient(1.3px 1.3px at 12% 22%,#fff 50%,transparent 51%),radial-gradient(1px 1px at 32% 68%,#fff 50%,transparent 51%),radial-gradient(1.2px 1.2px at 58% 14%,#fff 50%,transparent 51%),radial-gradient(1px 1px at 72% 44%,#fff 50%,transparent 51%),radial-gradient(1.5px 1.5px at 88% 18%,#fff 50%,transparent 51%),radial-gradient(1px 1px at 22% 88%,#fff 50%,transparent 51%),radial-gradient(1px 1px at 46% 36%,#fff 50%,transparent 51%),radial-gradient(1.2px 1.2px at 94% 76%,#fff 50%,transparent 51%);background-size:420px 420px;opacity:.55;animation:twinkle 6s ease-in-out infinite alternate}
@keyframes twinkle{to{opacity:.25}}
.hglow{position:absolute;right:-10%;top:20%;width:70vmax;height:70vmax;border-radius:50%;background:radial-gradient(circle,rgba(255,122,0,.35),transparent 60%);filter:blur(10px)}
.orbits{position:absolute;right:2%;top:50%;width:min(70vmin,640px);aspect-ratio:1;transform:translateY(-50%)}
.orbits i{position:absolute;inset:0;border:1px solid rgba(255,190,120,.18);border-radius:50%;animation:spin 60s linear infinite}.orbits i:nth-child(2){inset:-14%;animation-duration:90s;animation-direction:reverse;border-style:dashed}.orbits i:nth-child(3){inset:-30%;animation-duration:140s;border-color:rgba(255,255,255,.07)}
.orbits i:before{content:"";position:absolute;top:-4px;left:50%;width:8px;height:8px;border-radius:50%;background:#ffd08a;box-shadow:0 0 14px #ffb020}
@keyframes spin{to{transform:rotate(360deg)}}
.bigmark{position:absolute;right:calc(4% + min(70vmin,640px)*.14);top:50%;width:min(44vmin,400px);transform:translateY(-50%);opacity:.95;filter:drop-shadow(0 0 40px rgba(255,140,0,.6))}
.xscroll{position:absolute;left:50%;bottom:22px;width:24px;height:38px;border:2px solid rgba(255,255,255,.5);border-radius:14px;transform:translateX(-50%)}.xscroll span{position:absolute;left:50%;top:7px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:#fff;animation:scrolly 1.6s infinite}
@keyframes scrolly{to{transform:translateY(12px);opacity:0}}
.xbso .xbg{background:radial-gradient(70% 60% at 70% 30%,rgba(255,94,0,.45),transparent 70%),radial-gradient(1200px 500px at 20% 120%,rgba(255,176,32,.25),transparent 60%),linear-gradient(180deg,#05070d,#170802)}
.xbso .xbg:after,.xlive .xbg:after,.xjoin .xbg:after{content:"";position:absolute;inset:0;background:url(/static/brand/logo-white.png) no-repeat 88% 40%/min(60vmin,560px);opacity:.07}
.xprog .xbg{background:radial-gradient(50% 60% at 15% 30%,rgba(255,176,32,.28),transparent 70%),conic-gradient(from 200deg at 80% 120%,#05070d,#2b1100,#05070d 60%),#05070d}
.xlive .xbg{background:radial-gradient(60% 50% at 80% 80%,rgba(255,122,0,.4),transparent 70%),linear-gradient(200deg,#0a0e1a,#05070d 60%)}
.xnums{min-height:70vh;align-items:center}.xnums .xin{padding-bottom:0}.xnums .xbg{background:linear-gradient(180deg,#05070d,#0b0f1c 50%,#05070d)}
.xbooks .xbg{background:radial-gradient(60% 70% at 85% 50%,rgba(255,176,32,.3),transparent 70%),linear-gradient(180deg,#05070d,#120a03)}
.xteach .xbg{background:radial-gradient(50% 60% at 20% 70%,rgba(255,122,0,.3),transparent 70%),#05070d}
.xjoin .xbg{background:radial-gradient(70% 80% at 50% 110%,rgba(255,122,0,.65),transparent 70%),radial-gradient(40% 40% at 50% 100%,rgba(255,220,150,.4),transparent 70%),#05070d}.xjoin{align-items:center;text-align:center}.xjoin .xin{padding-bottom:0}.xjoin .xh,.xjoin .xline{margin-left:auto;margin-right:auto}
.xchips{display:flex;flex-wrap:wrap;gap:10px;margin:-6px 0 28px}.xchips a{padding:8px 14px;border:1px solid rgba(255,255,255,.22);border-radius:99px;color:#fff;font-size:.86rem;font-weight:600;backdrop-filter:blur(4px)}.xchips a:hover{border-color:var(--a);color:var(--a);text-decoration:none}
.counters{list-style:none;margin:10px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.counters li{border-left:2px solid var(--o);padding-left:18px}.counters b{display:block;font-size:clamp(2.4rem,6vw,4.4rem);font-weight:800;line-height:1;font-variant-numeric:tabular-nums}.counters span{font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;color:#aab2c5}
.xbooksrow{display:flex;gap:14px;margin:-6px 0 28px;flex-wrap:wrap}.xbook{width:110px;color:#fff;font-size:.76rem;text-decoration:none!important}.xbook img,.xbook span{display:grid;place-items:center;width:110px;height:150px;object-fit:cover;border-radius:6px;background:linear-gradient(160deg,#2a1406,#ff7a00);font-size:2.4rem;box-shadow:0 14px 30px rgba(0,0,0,.5);margin-bottom:6px}
/* scroll reveal */
.reveal>*{opacity:0;transform:translateY(34px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in>*{opacity:1;transform:none}.reveal.in>*:nth-child(2){transition-delay:.08s}.reveal.in>*:nth-child(3){transition-delay:.16s}.reveal.in>*:nth-child(4){transition-delay:.24s}.reveal.in>*:nth-child(5){transition-delay:.32s}
.no-js .reveal>*{opacity:1;transform:none}
/* generic sections / cards */
.sec{padding-top:64px;padding-bottom:64px}.band{background:var(--bg2)}.sechead{text-align:center;max-width:700px;margin:0 auto 30px}.sechead.row{display:flex;justify-content:space-between;align-items:end;text-align:left;max-width:none;gap:12px;flex-wrap:wrap}
.eyebrow{display:inline-block;font-weight:700;font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;color:var(--a)}.eyebrow.dark{color:var(--o)}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card,.feat,.teacher,.faq,.authbox,.kpis>div,.level,.ccard,.quote{background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
.card{padding:20px;margin-bottom:18px}.cardhead{display:flex;justify-content:space-between;align-items:center;gap:10px}
.glass{background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.025));border:1px solid rgba(255,255,255,.1);backdrop-filter:var(--glass);-webkit-backdrop-filter:var(--glass);box-shadow:0 10px 40px rgba(0,0,0,.25)}
html[data-theme=light] .glass{background:#fff;border-color:var(--line);box-shadow:var(--sh)}
.feat{padding:20px}.feat p{color:var(--muted);margin:0;font-size:.94rem}.ficon{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:12px;background:rgba(255,122,0,.14);font-size:1.4rem;margin-bottom:8px}
.level{display:flex;flex-direction:column;padding:22px;color:var(--ink);text-decoration:none!important;position:relative;overflow:hidden;transition:transform .2s,border-color .2s}
.level:before{content:"";position:absolute;inset:0 0 auto;height:3px;background:var(--grad)}.level:hover{transform:translateY(-3px);border-color:rgba(255,122,0,.5)}
.level .lv{font-weight:800;color:var(--a);font-size:.85rem}.level .bn,.level p{color:var(--muted)}.level p{font-size:.92rem;flex:1}
.classes{display:flex;gap:6px;flex-wrap:wrap;margin:6px 0 10px}.classes span{width:32px;height:32px;display:grid;place-items:center;border-radius:9px;background:var(--surface2);font-weight:700}
.go{font-weight:700;color:var(--link)}
.ccard{display:flex;flex-direction:column;overflow:hidden;color:var(--ink);text-decoration:none!important;transition:transform .2s,border-color .2s,box-shadow .2s}.ccard:hover{transform:translateY(-3px);border-color:rgba(255,122,0,.45);box-shadow:0 14px 40px rgba(255,122,0,.12)}
.cthumb{height:130px;background:radial-gradient(80% 90% at 80% 20%,rgba(255,122,0,.55),transparent 70%),linear-gradient(135deg,#0b0f1c,#1d0e03);position:relative;display:grid;place-items:center}
.cicon{font-size:3rem;filter:drop-shadow(0 6px 12px rgba(0,0,0,.4))}.cicon.sm{font-size:1.5rem;width:44px;height:44px;display:grid;place-items:center;background:var(--surface2);border-radius:12px;filter:none;flex:none}
.chip{display:inline-block;background:rgba(255,255,255,.94);color:#1a0d00;font-weight:700;font-size:.76rem;padding:4px 10px;border-radius:99px}.cthumb .chip{position:absolute;left:12px;top:12px}
.cbody{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}.cbody h3{margin:.1em 0}.cbody p{color:var(--muted);font-size:.92rem;flex:1;margin:.4em 0 .8em}
.cmeta{font-size:.74rem;font-weight:700;color:var(--a);text-transform:uppercase;letter-spacing:.08em}.cfoot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:10px}
.price{font-weight:800;font-size:1.1rem}.price.free{color:var(--ok)}
.teacher{text-align:center;padding:22px}.teacher p{font-size:.9rem;color:var(--muted)}
.avatar{width:72px;height:72px;border-radius:50%;margin:0 auto 10px;display:grid;place-items:center;background:var(--grad);color:#1a0d00;font-weight:800;font-size:1.4rem}
.av{border-radius:50%;object-fit:cover;flex:none;border:2px solid rgba(255,176,32,.5)}.av.ini{display:inline-grid;place-items:center;background:var(--grad);color:#1a0d00;font-weight:800;font-size:.8rem}
.quote{margin:0;padding:22px}.quote figcaption{color:var(--muted);font-size:.9rem}
.faq{padding:14px 18px;margin-bottom:10px}.faq summary{font-weight:700;cursor:pointer}.faq p{color:var(--muted);margin:.6em 0 0}
.contact{display:grid;grid-template-columns:1.2fr 1fr auto;gap:20px;align-items:center;padding:30px;border-radius:22px;background:var(--surface);border:1px solid var(--line)}
.clist{list-style:none;padding:0;margin:0}.clist li{padding:4px 0}
/* page hero for inner public pages */
.hero2,.evhero,.chero{position:relative;overflow:hidden;background:radial-gradient(60% 90% at 85% 10%,rgba(255,122,0,.45),transparent 70%),linear-gradient(180deg,#05070d,#110803);color:#fff;padding:56px 0 48px}
.hero2 h1,.evhero h1,.chero h1{font-size:clamp(2rem,5vw,3.4rem);text-transform:uppercase;font-weight:800;letter-spacing:-.01em}.chero a{color:#ffd08a}.chero .chip{margin:8px 0}.chero .meta{opacity:.9}
/* footer */
.foot{background:#030409;color:#b9c0cf;padding-top:48px;border-top:1px solid rgba(255,255,255,.06)}.foot .muted{color:#8a93a7}.footin{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px}
.foot h4{color:#fff;margin:.2em 0 .6em;font-size:.78rem;letter-spacing:.22em;text-transform:uppercase}.foot a{display:block;color:#b9c0cf;padding:3px 0}.foot a:hover{color:var(--a)}.copy{border-top:1px solid rgba(255,255,255,.07);margin-top:30px;padding:16px 20px;font-size:.84rem;color:#7d869a}
/* catalogue + misc */
.pagehead{margin-bottom:12px}.search{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0;align-items:center}.search input{flex:1 1 220px}.search select{width:auto}
.fchips{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}.fchip{padding:7px 14px;border-radius:99px;border:1.5px solid var(--line);color:var(--ink);font-weight:600;font-size:.88rem;background:var(--surface)}.fchip.on{background:var(--grad);color:#1a0d00;border-color:transparent}.fchip:hover{text-decoration:none;border-color:var(--o)}
.empty{text-align:center;padding:40px 16px;color:var(--muted);grid-column:1/-1}.empty b{color:var(--ink)}
.cgrid{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start}.sticky{position:sticky;top:84px}
.buy{margin-top:-80px;box-shadow:var(--sh);background:var(--solid)}.bigprice{font-size:2rem;font-weight:800}.bigprice.free{color:var(--ok)}
.incl{list-style:none;padding:0;margin:12px 0 18px}.incl li{padding:6px 0;border-bottom:1px dashed var(--line)}
.checks{list-style:none;padding:0}.checks li{padding:5px 0 5px 28px;position:relative}.checks li:before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
.lessons{padding:0;list-style:none}.lessons li{display:flex;justify-content:space-between;gap:10px;padding:11px 12px;border-radius:10px;border:1px solid var(--line);margin-bottom:6px;align-items:center}
.lessons.play li.on{border-color:var(--o);background:rgba(255,122,0,.08)}.lessons.play a{color:var(--ink);font-weight:600}
.video{position:relative;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;background:#000;margin-bottom:16px;box-shadow:0 20px 60px rgba(0,0,0,.4)}.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.prose{max-width:760px}.prose p{color:var(--muted)}
.tiers,.pkg,.books{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}
.book{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}.bcover{aspect-ratio:3/4;background:linear-gradient(160deg,#1c0e04,#ff7a00);display:grid;place-items:center}.bcover img{width:100%;height:100%;object-fit:cover}
.nocover{display:grid;place-items:center;text-align:center;padding:16px;color:#fff;height:100%}.nocover span{font-size:3rem}.bbody{padding:14px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
/* forms */
.authbox{max-width:460px;margin:24px auto;padding:28px;box-shadow:var(--sh);background:var(--solid)}.authbox.wide{max-width:700px}
.choices{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:860px;margin:20px auto}.choice{display:flex;flex-direction:column;gap:8px;padding:28px;border-radius:20px;border:1px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none!important;transition:transform .2s,border-color .2s,box-shadow .2s}
.choice:hover{transform:translateY(-3px);border-color:var(--o);box-shadow:0 18px 50px rgba(255,122,0,.18)}.choice .big{font-size:2.4rem}.choice h2{margin:0}.choice p{color:var(--muted);margin:0}
.field{display:flex;flex-direction:column;gap:5px;margin-bottom:14px;font-weight:600;font-size:.92rem}.field small{font-weight:400}.field.inline{flex-direction:row;align-items:center;gap:10px}.field.inline input{width:100px}
.checkrow{flex-direction:row-reverse;justify-content:flex-end;align-items:center;gap:10px}
input,select,textarea{font:inherit;font-weight:400;padding:11px 13px;border:1.5px solid var(--line);border-radius:11px;background:var(--field);color:var(--ink);min-width:0;width:100%}
input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--o)}input[type=file]{padding:9px}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--o);box-shadow:0 0 0 3px rgba(255,122,0,.2)}
.form2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.span2{grid-column:1/-1}
.seg{display:flex;gap:10px}.seg label{flex:1;border:1.5px solid var(--line);border-radius:11px;padding:10px;font-weight:700;display:flex;gap:8px;align-items:center;cursor:pointer}.seg label:has(input:checked){border-color:var(--o);background:rgba(255,122,0,.08)}
.paybox,.checkout{background:var(--surface2);border-radius:14px;padding:16px;margin:12px 0}.paynums{display:flex;gap:10px;flex-wrap:wrap}.paynums>*{flex:1;min-width:180px;padding:12px;border-radius:12px;background:var(--surface);border:1px solid var(--line)}
.bkash b{color:#e2136e}.nagad b{color:#f6921e}.steps{padding-left:20px}.steps li{margin:4px 0}
.drop{border:2px dashed var(--line);border-radius:16px;padding:18px;text-align:center;margin-bottom:14px}.drop>span{font-size:2rem}
.alert{padding:12px 16px;border-radius:12px;margin:12px 0;border:1px solid}.alert.ok{background:rgba(25,179,122,.12);border-color:rgba(25,179,122,.35);color:#7ee2bb}.alert.err{background:rgba(255,84,104,.12);border-color:rgba(255,84,104,.35);color:#ff9aa7}
.alert.warn{background:rgba(255,176,32,.12);border-color:rgba(255,176,32,.35);color:#ffd07a}.alert.info{background:rgba(120,160,255,.1);border-color:rgba(120,160,255,.3);color:#aac4ff}
body.admin .alert.ok,html[data-theme=light] .alert.ok{color:#0c6b47}body.admin .alert.err,html[data-theme=light] .alert.err{color:#a02434}body.admin .alert.warn,html[data-theme=light] .alert.warn{color:#7a5200}body.admin .alert.info,html[data-theme=light] .alert.info{color:#1d3f8f}
html[data-theme=dark] body.admin .alert.ok{color:#7ee2bb}html[data-theme=dark] body.admin .alert.err{color:#ff9aa7}html[data-theme=dark] body.admin .alert.warn{color:#ffd07a}
.pill{display:inline-block;font-size:.74rem;font-weight:700;padding:3px 9px;border-radius:99px;background:var(--surface2);color:var(--muted)}.pill.ok{background:rgba(25,179,122,.15);color:var(--ok)}.pill.warn{background:rgba(255,176,32,.16);color:#d98f00}.pill.err{background:rgba(255,84,104,.14);color:var(--err)}.pill.live{background:rgba(255,84,104,.18);color:#ff5468}
.help{background:rgba(255,176,32,.08);border:1px solid rgba(255,176,32,.25);border-radius:12px;padding:10px 14px;font-size:.9rem}
code{background:var(--surface2);padding:2px 6px;border-radius:6px}pre.smsprev{white-space:pre-wrap;background:var(--surface2);padding:14px;border-radius:12px;font:500 .95rem/1.5 ui-monospace,monospace}
blockquote{margin:8px 0;padding:10px 14px;border-left:3px solid var(--o);background:var(--surface2);border-radius:0 10px 10px 0}
.toast{position:fixed;left:50%;bottom:90px;transform:translate(-50%,20px);background:#111726;color:#fff;border:1px solid rgba(255,176,32,.4);padding:12px 18px;border-radius:12px;box-shadow:0 20px 50px rgba(0,0,0,.5);opacity:0;transition:.3s;z-index:60;pointer-events:none}.toast.show{opacity:1;transform:translate(-50%,0)}
/* tables */
.tbl{width:100%;border-collapse:collapse;font-size:.93rem}.tbl th,.tbl td{text-align:left;padding:10px;border-bottom:1px solid var(--line);vertical-align:top}.tbl th{font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.tbl tr:hover td{background:rgba(255,122,0,.035)}.tablewrap{overflow-x:auto;padding:6px 10px}
.tabs{display:flex;gap:6px;overflow-x:auto;margin:10px 0 14px}.tabs a{padding:10px 16px;border-radius:12px;background:var(--surface2);color:var(--ink);font-weight:700;white-space:nowrap}.tabs a.on{background:var(--grad);color:#1a0d00}
.mats{list-style:none;padding:0;margin:0}.mats li{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid var(--line)}
.crumbs{margin-bottom:6px}.ann{padding:10px 0;border-bottom:1px solid var(--line)}.ann:last-child{border:0}.ann p{margin:.3em 0}.ann.pinned b{color:var(--a)}
/* quiz */
.quizbar{position:sticky;top:70px;z-index:5;display:flex;justify-content:space-between;align-items:center;background:var(--solid);border:1px solid var(--line);border-radius:14px;padding:10px 16px;margin-bottom:14px;box-shadow:var(--sh)}
.timer{font-weight:800;font-variant-numeric:tabular-nums;font-size:1.15rem;color:var(--a)}.timer.low{color:var(--err);animation:pulse 1s infinite}
.q legend{font-weight:700;padding:0;margin-bottom:10px;display:flex;gap:10px}fieldset.card{min-width:0}.qn{flex:none;width:28px;height:28px;border-radius:8px;background:var(--grad);color:#1a0d00;display:grid;place-items:center;font-size:.85rem}
.opt{display:flex;gap:10px;align-items:center;padding:11px 13px;border:1.5px solid var(--line);border-radius:12px;margin:7px 0;cursor:pointer}.opt:has(input:checked){border-color:var(--o);background:rgba(255,122,0,.08)}
.opt.right{border-color:rgba(25,179,122,.6);background:rgba(25,179,122,.1)}.opt.wrong{border-color:rgba(255,84,104,.6);background:rgba(255,84,104,.08)}.expl{font-size:.9rem;color:var(--muted)}
.result{display:flex;gap:20px;align-items:center;padding:22px;border-radius:20px;background:var(--surface);border:1px solid var(--line);margin-bottom:18px}
.ring{width:96px;height:96px;flex:none;border-radius:50%;display:grid;place-items:center;font-size:1.5rem;font-weight:800;color:#1a0d00;background:var(--grad)}.result.fail .ring{background:linear-gradient(135deg,#ff5468,#ff9a6b)}
/* certificate / invoice / report: always light, print friendly */
.cert{max-width:880px;margin:10px auto;padding:14px;border-radius:20px;background:var(--grad)}.certin{background:#fff;color:#141821;border-radius:12px;padding:44px 30px;text-align:center}
.certlogo{display:inline-grid;place-items:center;width:84px;height:84px;border-radius:22px;background:linear-gradient(135deg,#140a04,#ff7a00 60%,#ffb020)}.certlogo img{width:60px;height:60px}
.cert h1{font-size:2.4rem;color:#141821}.cert .muted{color:#5d6577}.eyebrow.dark{color:#c25700}
.sig{display:flex;justify-content:space-around;margin-top:30px;font-weight:700}.sig span{border-top:1.5px solid #e4e7ee;padding-top:6px}
.invoice{max-width:820px;margin:0 auto;background:#fff;color:#141821;border-radius:16px;padding:30px}.invoice .muted{color:#5d6577}.invoice .tbl td,.invoice .tbl th{border-color:#e4e7ee}.invhead{display:flex;justify-content:space-between;gap:20px;margin-bottom:20px}.invhead b{display:block;font-size:1.1rem}
.logobadge{display:inline-grid;place-items:center;width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,#140a04,#ff7a00 60%,#ffb020);margin-bottom:6px}.logobadge img{width:34px;height:34px}
.report .rhead{display:flex;gap:16px;align-items:center;margin-bottom:12px}.report .rhead .right{margin-left:auto}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:14px 0 20px}.kpis>div{padding:14px 16px}.kpis b{display:block;font-size:1.5rem;color:var(--a)}.kpis span{color:var(--muted);font-size:.86rem}
.chart{width:100%;height:auto}.chart rect{fill:url(#cg)}.chart text{fill:var(--muted);font-size:10px}
@media print{body{background:#fff!important;color:#000;--ink:#000;--muted:#555;--line:#ddd;--surface:#fff;--surface2:#f4f4f4}.top,.stop,.foot,.noprint,.sside,.bnav,aside,.toast{display:none!important}.sshell,.awrap{display:block}.smain,.amain{padding:0}.glass{box-shadow:none;backdrop-filter:none}}
/* ===== student panel (futuristic) ===== */
body.sapp{background:radial-gradient(900px 500px at 100% -10%,rgba(255,122,0,.16),transparent 60%),radial-gradient(700px 500px at -10% 110%,rgba(255,176,32,.08),transparent 60%),var(--bg);background-attachment:fixed;min-height:100vh}
html[data-theme=light] body.sapp{background:var(--bg)}
.stopin{display:flex;align-items:center;gap:14px;height:62px;padding:0 20px}.sright{margin-left:auto;display:flex;align-items:center;gap:12px}.sright>a.small{color:#d7dbe5}.me{display:flex}
.sshell{display:grid;grid-template-columns:240px 1fr;max-width:1360px;margin:0 auto}
.sside{position:sticky;top:62px;height:calc(100vh - 62px);padding:18px 12px;border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between;overflow:auto}
.sside nav a,.sside .linkbtn{display:flex;gap:12px;align-items:center;padding:10px 14px;border-radius:12px;color:var(--ink);font-weight:600;margin-bottom:3px;text-decoration:none!important;width:100%;text-align:left}
.sside nav a span{width:22px;text-align:center}.sside nav a:hover{background:var(--surface2)}.sside nav a.on{background:linear-gradient(90deg,rgba(255,122,0,.22),rgba(255,176,32,.06));box-shadow:inset 3px 0 0 var(--o);color:var(--ink)}
.sside .linkbtn{color:var(--muted)}.idcard{margin:14px 6px 0;padding:12px 14px;border-radius:14px;background:var(--grad);color:#1a0d00}.idcard small{display:block;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700}.idcard b{font-size:1.15rem;letter-spacing:.04em}
.smain{padding:24px 26px 100px;min-width:0}
.hello{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:18px}.hello h1{font-size:clamp(1.6rem,3.4vw,2.3rem);margin:.05em 0}.wave{display:inline-block;animation:wave 2.4s ease-in-out 1}
@keyframes wave{20%{transform:rotate(14deg)}40%{transform:rotate(-8deg)}60%{transform:rotate(10deg)}}
.action{display:flex;gap:12px;flex-wrap:wrap}.action .btn{padding:16px 22px;font-size:1.02rem;border-radius:14px}.live-btn{background:linear-gradient(135deg,#ff3d5a,#ff7a00)!important;color:#fff!important;animation:glowpulse 2s infinite}
@keyframes glowpulse{50%{box-shadow:0 0 0 8px rgba(255,61,90,.15),0 0 30px rgba(255,61,90,.4)}}@keyframes pulse{50%{opacity:.5}}
.stats4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:0 0 18px}.stat{display:flex;flex-direction:column;gap:2px;padding:16px 18px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line);color:var(--ink);text-decoration:none!important;position:relative;overflow:hidden}
.stat b{font-size:1.7rem;font-weight:800;line-height:1.1}.stat span{color:var(--muted);font-size:.85rem}.stat.glow{border-color:rgba(255,122,0,.45);box-shadow:0 0 30px rgba(255,122,0,.15)}.stat.glow b{color:var(--a)}a.stat:hover{border-color:var(--o)}
.ring2{--s:92px;width:var(--s);height:var(--s);flex:none;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--o) calc(var(--p)*1%),var(--a) calc(var(--p)*1%),var(--surface2) 0);position:relative;filter:drop-shadow(0 0 14px rgba(255,122,0,.35));animation:ringin 1.2s cubic-bezier(.2,.7,.2,1)}
.ring2:before{content:"";position:absolute;inset:9px;border-radius:50%;background:var(--bg)}.ring2 span{position:relative;font-weight:800;font-size:calc(var(--s)*.22)}
@property --p{syntax:'<number>';inherits:true;initial-value:0}@keyframes ringin{from{--p:0}}
.streak{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:99px;background:rgba(255,122,0,.14);border:1px solid rgba(255,122,0,.35);font-weight:800}.streak .fire{animation:flick 1.4s infinite alternate}@keyframes flick{to{transform:scale(1.15) rotate(-6deg)}}
.badges{display:flex;gap:10px;flex-wrap:wrap}.badges span{display:inline-flex;gap:6px;align-items:center;padding:6px 12px;border-radius:99px;background:var(--surface2);font-size:.84rem;font-weight:600;opacity:.45}.badges span.on{opacity:1;background:rgba(255,176,32,.14);border:1px solid rgba(255,176,32,.35)}
.dgrid{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;align-items:start}.dhead{display:flex;justify-content:space-between;align-items:center;gap:12px}
.live{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:14px;border-radius:14px;background:var(--surface2);margin-bottom:10px;flex-wrap:wrap}.live.open{background:linear-gradient(135deg,rgba(255,61,90,.16),rgba(255,122,0,.1));border:1px solid rgba(255,61,90,.35)}
.myc{display:flex;gap:12px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:14px;color:var(--ink);text-decoration:none!important;margin-bottom:8px;transition:border-color .2s,transform .2s}.myc>div{flex:1}.myc:hover{border-color:var(--o);transform:translateX(2px)}
.prog{height:8px;border-radius:6px;background:var(--surface2);overflow:hidden}.prog i{display:block;height:100%;background:var(--grad);border-radius:6px}
.bnav{display:none}
.doubt{padding:12px 0;border-bottom:1px solid var(--line)}.doubt textarea{margin:6px 0}
/* ===== admin ===== */
body.admin .top{background:#070a12}.awrap{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - 66px)}
aside#aside{background:var(--solid);border-right:1px solid var(--line);padding:14px 10px}aside#aside nav a{display:block;padding:8px 12px;border-radius:10px;color:var(--ink);font-weight:600;font-size:.93rem;margin-bottom:2px}
aside#aside nav a.on{background:var(--grad);color:#1a0d00}aside#aside nav a:hover{text-decoration:none;background:var(--surface2)}aside#aside nav a.on:hover{background:var(--grad)}aside .navh{display:block;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);padding:12px 12px 4px;font-weight:700}
.amain{padding:24px;min-width:0}.bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:space-between;margin-bottom:12px}form.inline{display:inline-flex;gap:6px;align-items:center;flex-wrap:wrap}input.sm,select.sm{padding:6px 9px;width:auto;max-width:180px}
.menu-btn{display:none}.topin .pill{margin-left:4px}.topin form.inline{margin-left:auto;color:#ccd}
.qa{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 16px}.bulkbar{display:flex;gap:8px;align-items:center;padding:10px;border-top:1px solid var(--line);flex-wrap:wrap}
.who{display:flex;gap:10px;align-items:center}.dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:#6b7280;vertical-align:middle}.dot.on{background:#22d38a;box-shadow:0 0 0 3px rgba(34,211,138,.2)}
.scardgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.scard{display:flex;flex-direction:column;align-items:center;text-align:center;gap:4px;padding:16px 10px;border:1px solid var(--line);border-radius:14px;color:var(--ink);text-decoration:none!important;background:var(--surface)}.scard:hover{border-color:var(--o)}
.profile{display:flex;gap:20px;align-items:flex-start;flex-wrap:wrap}.pgrid{flex:1;display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}.pgrid small{display:block}
.gq{padding:12px 0;border-bottom:1px solid var(--line)}.logoprev{display:grid;place-items:center;padding:18px;border-radius:14px;background:linear-gradient(135deg,#140a04,#ff7a00 60%,#ffb020);margin-bottom:10px}
.bars>div{display:grid;grid-template-columns:90px 1fr 40px;gap:8px;align-items:center;margin:6px 0;font-size:.88rem}.bars i{display:block;height:10px;border-radius:6px;background:var(--grad)}
/* reduced motion */
@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal>*{opacity:1;transform:none}.xbg{transform:none!important}}
/* responsive */
@media (max-width:1100px){.nav .hide-md{display:none}}
@media (max-width:980px){.grid4,.stats4{grid-template-columns:repeat(2,1fr)}.grid3{grid-template-columns:repeat(2,1fr)}.cgrid,.dgrid{grid-template-columns:1fr}.buy{margin-top:0}.sticky{position:static}.contact{grid-template-columns:1fr}.counters{grid-template-columns:repeat(2,1fr);row-gap:34px}
 .nav>a.hide-sm{display:none}.burger{display:block}.orbits{right:-20%;opacity:.7}.bigmark{right:8%;width:40vmin;opacity:.35}}
@media (max-width:760px){.grid2,.grid3,.grid4,.choices{grid-template-columns:1fr}.hide-sm{display:none!important}.nav{gap:8px}.footin{grid-template-columns:1fr}.form2{grid-template-columns:1fr}.sec{padding-top:44px;padding-bottom:44px}
 .hide-xs{display:none!important}.nav .iconbtn{display:none}.brand small{letter-spacing:.24em}
 .xin{padding:0 20px 12vh}.xhero .xin{padding-top:80px}.bigmark{top:28%;right:50%;transform:translate(50%,-50%);width:46vw;opacity:.9}.orbits{top:28%;right:50%;transform:translate(50%,-50%);width:86vw}.xhero{align-items:flex-end}.xhero .xin{padding-bottom:12vh}
 .xbso .xbg:after,.xlive .xbg:after,.xjoin .xbg:after{background-position:50% 22%;background-size:60vw}
 .sshell{grid-template-columns:1fr}.sside{display:none}.smain{padding:16px 14px 96px}.stats4{gap:10px}.stat{padding:12px}.stat b{font-size:1.3rem}
 .bnav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:10px;right:10px;bottom:10px;z-index:40;background:rgba(10,14,26,.9);backdrop-filter:var(--glass);-webkit-backdrop-filter:var(--glass);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:6px;box-shadow:0 10px 40px rgba(0,0,0,.5)}
 .bnav a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 0;border-radius:14px;color:#c9cfdc;text-decoration:none!important;font-size:1.15rem}.bnav a small{font-size:.66rem;font-weight:600}.bnav a.on{background:rgba(255,122,0,.18);color:#fff}
 .awrap{grid-template-columns:1fr}aside#aside{display:none;border-right:0;border-bottom:1px solid var(--line)}aside#aside.open{display:block}.menu-btn{display:inline-flex;margin-left:auto}.amain{padding:14px}
 .tbl.resp thead{display:none}.tbl.resp tr{display:block;border-bottom:1px solid var(--line);padding:8px 0}.tbl.resp td{display:flex;gap:10px;border:0;padding:4px 6px}.tbl.resp td[data-l]:before{content:attr(data-l);flex:0 0 90px;font-size:.72rem;color:var(--muted);text-transform:uppercase}
 .authbox{padding:20px;border-radius:16px}.action .btn{flex:1}.lmenu{position:fixed;left:12px;right:12px;top:70px;width:auto}}
/* ===== homepage v3 (official copy) ===== */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
canvas.sky{position:absolute;inset:0;width:100%;height:100%;display:block}
.nebula{position:absolute;left:-15%;bottom:-25%;width:80vmax;height:60vmax;background:radial-gradient(closest-side,rgba(255,122,0,.22),rgba(255,176,32,.08) 55%,transparent);filter:blur(30px);animation:drift 30s ease-in-out infinite alternate}
@keyframes drift{to{transform:translate(6%,-4%) scale(1.08)}}
.orbits{animation:none}.orbits i:first-child{inset:8%;border-color:rgba(255,190,120,.35);border-top-color:rgba(255,200,120,.9);animation-duration:40s}
.comets i{position:absolute;height:2px;width:180px;border-radius:2px;background:linear-gradient(90deg,transparent,rgba(255,220,170,.9));transform:rotate(-28deg);opacity:0;animation:comet 9s linear infinite}
.comets i:nth-child(1){top:18%;left:30%}.comets i:nth-child(2){top:40%;left:60%;animation-delay:3.2s;width:240px}.comets i:nth-child(3){top:65%;left:10%;animation-delay:6.1s;width:140px}
@keyframes comet{0%{opacity:0;transform:rotate(-28deg) translateX(0)}3%{opacity:1}12%{opacity:0;transform:rotate(-28deg) translateX(420px)}100%{opacity:0}}
.xwhy .xbg{background:radial-gradient(50% 60% at 85% 20%,rgba(255,122,0,.25),transparent 70%),linear-gradient(180deg,#05070d,#0a0e1a)}
.xhow .xbg{background:radial-gradient(60% 60% at 10% 80%,rgba(255,176,32,.2),transparent 70%),#05070d}
.xoff .xbg{background:radial-gradient(70% 60% at 70% 40%,rgba(255,94,0,.3),transparent 70%),linear-gradient(180deg,#05070d,#120802)}
.xpar .xbg{background:radial-gradient(60% 60% at 90% 90%,rgba(255,122,0,.3),transparent 70%),#070a12}
.xschools .xbg{background:radial-gradient(60% 70% at 20% 30%,rgba(255,176,32,.25),transparent 70%),linear-gradient(200deg,#0a0e1a,#05070d)}
.xschools .xbg:after{content:"";position:absolute;inset:0;background:url(/static/brand/logo-white.png) no-repeat 86% 50%/min(50vmin,460px);opacity:.07}
.xjoin .xbg{background:radial-gradient(70% 80% at 50% 115%,rgba(255,122,0,.7),transparent 70%),radial-gradient(35% 40% at 50% 105%,rgba(255,220,150,.45),transparent 70%),#05070d}
.xgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:10px}
.xcard{padding:22px;border:1px solid rgba(255,255,255,.12);border-radius:16px;background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));backdrop-filter:blur(10px);transition:border-color .3s,transform .3s}
.xcard:hover{border-color:rgba(255,140,0,.6);transform:translateY(-4px)}.xcard span{font-size:1.8rem}.xcard h3{margin:.4em 0 .3em;font-size:1.1rem;text-transform:uppercase;letter-spacing:.06em}.xcard p{margin:0;color:#c3c9d6;font-size:.94rem}
.xline.wide{max-width:760px}
.timeline{list-style:none;padding:0;margin:20px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;counter-reset:s}
.timeline:before{content:"";position:absolute;top:27px;left:28px;right:28px;height:2px;background:rgba(255,255,255,.12)}
.timeline:after{content:"";position:absolute;top:27px;left:28px;height:2px;width:0;background:var(--grad);box-shadow:0 0 12px rgba(255,122,0,.7);transition:width 2.4s cubic-bezier(.3,.7,.2,1) .2s}
.reveal.in .timeline:after{width:calc(100% - 56px)}
.timeline li{position:relative;padding-right:16px}.timeline b{display:grid;place-items:center;width:56px;height:56px;border-radius:50%;background:#05070d;border:2px solid rgba(255,255,255,.2);font-size:1rem;position:relative;z-index:1;transition:border-color .4s,box-shadow .4s,background .4s;transition-delay:calc(.3s + var(--i)*.55s)}
.reveal.in .timeline b{border-color:var(--o);box-shadow:0 0 0 6px rgba(255,122,0,.15),0 0 24px rgba(255,122,0,.55);background:#1a0c02}
.timeline span{display:block;margin-top:16px;font-size:clamp(1.1rem,2vw,1.6rem);font-weight:800;text-transform:uppercase;line-height:1.1;opacity:.35;transition:opacity .5s;transition-delay:calc(.3s + var(--i)*.55s)}.reveal.in .timeline span{opacity:1}
.constel{position:absolute;inset:8% 4%;width:92%;height:84%}.constel polyline{fill:none;stroke:rgba(255,200,140,.18);stroke-width:1;stroke-dasharray:6 6;transition:stroke .5s}.constel circle{fill:#ffd9a8;opacity:.6}
.xoff:hover .constel polyline{stroke:rgba(255,190,110,.55);stroke-dasharray:none}
.offl{list-style:none;padding:0;margin:8px 0 0;display:flex;flex-wrap:wrap;gap:12px;max-width:900px}
.offl li{position:relative;padding:14px 20px 14px 44px;border:1px solid rgba(255,255,255,.14);border-radius:999px;font-weight:700;font-size:1.05rem;background:rgba(5,7,13,.5);backdrop-filter:blur(6px);transition:border-color .3s,box-shadow .3s,color .3s}
.offl li .star{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--a);transition:transform .4s}
.offl li:hover{border-color:var(--a);color:#ffe3b8;box-shadow:0 0 24px rgba(255,140,0,.35)}.offl li:hover .star{transform:translateY(-50%) rotate(180deg) scale(1.3)}
.offl li:after{content:"";position:absolute;left:100%;top:50%;width:12px;height:1px;background:rgba(255,200,140,.4)}.offl li:last-child:after{display:none}
@media (max-width:980px){.xgrid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.xgrid{grid-template-columns:1fr;gap:10px}.xcard{padding:16px}.timeline{grid-template-columns:1fr;gap:18px}.timeline:before,.timeline:after{top:28px;bottom:28px;left:27px;right:auto;width:2px;height:auto}
 .reveal.in .timeline:after{width:2px;height:calc(100% - 56px)}.timeline:after{height:0;transition-property:height}.timeline li{display:flex;align-items:center;gap:16px}.timeline span{margin:0}
 .xsec{min-height:auto;padding:90px 0 40px}.xhero{min-height:100svh;padding:0}.xin{padding-bottom:6vh}.offl li{font-size:.95rem}.offl li:after{display:none}.comets i{width:110px}}
.fsmenu[hidden],[hidden]{display:none!important}