@font-face{font-family:"Montserrat";src:url("../fonts/montserrat-var.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
:root{--navy:#023173;--gold:#FBC005;--gold2:#E0A800;--white:#fff;--space:#010C26;--space2:#03153F;--royal:#0B3A8C;--ink:#0A1A3A;--ink2:#3C4A66;--mist:#F3F6FC;--line:rgba(255,255,255,.14);--lineL:rgba(2,49,115,.12);
--r:22px;--r2:14px;--sh:0 30px 80px -30px rgba(1,12,38,.55);--ease:cubic-bezier(.2,.8,.2,1);--max:1200px;--hdr:68px}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"Montserrat",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:16px;line-height:1.6;color:var(--ink);background:var(--white);overflow-x:hidden;font-weight:450}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
h1,h2,h3,h4{line-height:1.08;letter-spacing:-.025em;margin:0 0 .5em;font-weight:800}
h1{font-size:clamp(2.4rem,7.2vw,5.4rem)}
h2{font-size:clamp(1.9rem,4.6vw,3.4rem)}
h3{font-size:clamp(1.15rem,2.2vw,1.45rem);letter-spacing:-.01em}
p{margin:0 0 1em}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--gold);color:var(--navy);padding:10px 16px;border-radius:10px;font-weight:700}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}
.wrap{width:min(100% - 40px,var(--max));margin-inline:auto}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.78rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin-bottom:18px}
.eyebrow::before{content:"";width:28px;height:2px;background:currentColor;border-radius:2px}
.light .eyebrow{color:var(--navy)}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);color:rgba(255,255,255,.78);max-width:42em}
.light .lead{color:var(--ink2)}
.gold{color:var(--gold)}
.dark .gold-u{background:linear-gradient(90deg,var(--gold),#FFE07A);-webkit-background-clip:text;background-clip:text;color:transparent}
.light .gold-u{color:var(--navy);background:linear-gradient(transparent 62%,rgba(251,192,5,.55) 62%)}

/* sections */
.sec{position:relative;padding:clamp(72px,10vw,140px) 0;overflow:hidden}
.dark{background:var(--space);color:#fff}
.dark.sec::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 50% at 80% 10%,rgba(11,58,140,.55),transparent 70%),radial-gradient(50% 40% at 10% 90%,rgba(2,49,115,.6),transparent 70%);pointer-events:none}
.light{background:var(--white);color:var(--ink)}
.light.mist{background:var(--mist)}
.light.grid::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(2,49,115,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(2,49,115,.05) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(70% 60% at 50% 40%,#000,transparent);-webkit-mask-image:radial-gradient(70% 60% at 50% 40%,#000,transparent);pointer-events:none}
.sec>.wrap{position:relative;z-index:1}
.sec-head{max-width:760px;margin-bottom:clamp(36px,5vw,64px)}
.sec-head.center{text-align:center;margin-inline:auto}
.sec-head.center .eyebrow{justify-content:center}

/* glass */
.glass{position:relative;background:linear-gradient(135deg,rgba(255,255,255,.10),rgba(255,255,255,.03));border:1px solid var(--line);border-radius:var(--r);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),var(--sh)}
.light .glass{background:linear-gradient(135deg,rgba(255,255,255,.92),rgba(255,255,255,.7));border:1px solid var(--lineL);box-shadow:0 1px 0 #fff inset,0 24px 60px -30px rgba(2,49,115,.35)}
.lite .glass{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(9,30,80,.92)}
.lite .light .glass{background:#fff}

/* buttons */
.btn{--h:52px;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:var(--h);padding:0 26px;border-radius:999px;font:inherit;font-weight:700;font-size:.98rem;text-decoration:none;border:0;cursor:pointer;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s;white-space:nowrap}
.btn svg{width:20px;height:20px;flex:none}
.btn-gold{background:var(--gold);color:var(--navy);box-shadow:0 10px 30px -8px rgba(251,192,5,.65),inset 0 -2px 0 rgba(0,0,0,.12)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 40px -8px rgba(251,192,5,.8)}
.btn-glass{background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.btn-glass:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-navy{background:var(--navy);color:#fff;box-shadow:0 12px 30px -12px rgba(2,49,115,.7)}
.btn-navy:hover{transform:translateY(-2px);background:#043d8f}
.btn-line{background:transparent;color:var(--navy);border:1.5px solid rgba(2,49,115,.35)}
.btn-line:hover{border-color:var(--navy);transform:translateY(-2px)}
.btn[aria-disabled="true"]{opacity:.62;cursor:not-allowed;transform:none!important}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;font-size:.74rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:rgba(251,192,5,.14);color:var(--gold);border:1px solid rgba(251,192,5,.35)}
.light .tag{background:rgba(2,49,115,.07);color:var(--navy);border-color:rgba(2,49,115,.18)}
.tag.soon{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.25)}
.light .tag.soon{background:#FFF6D6;color:#6b5200;border-color:#F3D873}

/* header */
.hdr{position:fixed;inset:0 0 auto;z-index:50;height:var(--hdr);display:flex;align-items:center;transition:background .4s,box-shadow .4s,transform .4s var(--ease)}
.hdr::before{content:"";position:absolute;inset:0;background:rgba(1,12,38,.55);backdrop-filter:blur(18px) saturate(150%);-webkit-backdrop-filter:blur(18px) saturate(150%);border-bottom:1px solid rgba(255,255,255,.08);opacity:.0;transition:opacity .4s}
.hdr.scrolled::before,.hdr.solid::before{opacity:1}
.lite .hdr::before{background:rgba(1,12,38,.96);backdrop-filter:none}
.hdr .wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
.brand img.em{width:44px;height:auto}
.brand .wm{display:flex;flex-direction:column;line-height:1}
.brand .wm img{width:118px;height:auto}
.brand .wm span{font-size:.5rem;font-weight:700;letter-spacing:.32em;color:var(--gold);margin-top:4px;white-space:nowrap}
.nav{display:flex;align-items:center;gap:4px}
.nav a{color:rgba(255,255,255,.84);text-decoration:none;font-weight:600;font-size:.88rem;padding:10px 12px;border-radius:10px;position:relative}
.nav a:hover,.nav a[aria-current="page"]{color:#fff}
.nav a[aria-current="page"]::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--gold);border-radius:2px}
.hdr .btn{--h:42px;padding:0 18px;font-size:.86rem}
.menu-btn{display:none;width:46px;height:46px;border-radius:12px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;cursor:pointer;align-items:center;justify-content:center}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{display:block;width:20px;height:2px;background:#fff;border-radius:2px;position:relative;transition:transform .35s var(--ease)}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0}
.menu-btn span::before{top:-6px}.menu-btn span::after{top:6px}
.menu-open .menu-btn span{background:transparent}
.menu-open .menu-btn span::before{transform:translateY(6px) rotate(45deg)}
.menu-open .menu-btn span::after{transform:translateY(-6px) rotate(-45deg)}
.progress{position:fixed;left:0;top:0;height:3px;width:100%;z-index:60;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--gold),#FFE58A);box-shadow:0 0 12px rgba(251,192,5,.8)}
@media (max-width:1020px){
 .nav{position:fixed;inset:0;z-index:-1;flex-direction:column;align-items:stretch;justify-content:center;gap:2px;padding:90px 28px 40px;background:rgba(1,12,38,.97);opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
 .nav a{font-size:1.5rem;padding:14px 8px;font-weight:700;transform:translateY(12px);transition:transform .5s var(--ease)}
 .nav a[aria-current="page"]::after{left:8px;right:auto;width:28px;bottom:6px}
 .menu-open .nav{opacity:1;visibility:visible}
 .menu-open .nav a{transform:none}
 .menu-btn{display:inline-flex}
 .hdr .btn.hide-m{display:none}
}

/* hero */
.hero{min-height:100svh;display:flex;align-items:center;padding:calc(var(--hdr) + 40px) 0 70px;background:var(--space);color:#fff;position:relative;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:-10%;z-index:-2;background:radial-gradient(40% 45% at 72% 42%,rgba(11,58,140,.95),transparent 70%),radial-gradient(35% 35% at 15% 85%,rgba(2,49,115,.85),transparent 70%),radial-gradient(25% 25% at 85% 90%,rgba(251,192,5,.12),transparent 70%)}
.hero .grid-floor{position:absolute;left:-20%;right:-20%;bottom:-8%;height:46%;z-index:-1;background-image:linear-gradient(rgba(91,140,230,.22) 1px,transparent 1px),linear-gradient(90deg,rgba(91,140,230,.22) 1px,transparent 1px);background-size:60px 60px;transform:perspective(600px) rotateX(62deg);transform-origin:50% 0;mask-image:linear-gradient(to bottom,transparent,#000 30%,#000 60%,transparent);-webkit-mask-image:linear-gradient(to bottom,transparent,#000 30%,#000 60%,transparent);animation:floor 14s linear infinite}
@keyframes floor{to{background-position:0 60px,0 0}}
#fx{position:absolute;inset:0;z-index:-1;width:100%;height:100%;pointer-events:none}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.hero h1{margin-bottom:22px}
.hero h1 .ln{display:block;overflow:hidden;padding-bottom:.06em}
.hero h1 .ln>span{display:inline-block;transform:translateY(105%);animation:rise 1.1s var(--ease) forwards}
.hero h1 .ln:nth-child(2)>span{animation-delay:.12s}
@keyframes rise{to{transform:none}}
.hero .lead{opacity:0;animation:fadeUp .9s var(--ease) .45s forwards}
.hero .btn-row{margin-top:30px;opacity:0;animation:fadeUp .9s var(--ease) .6s forwards}
.hero .chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;opacity:0;animation:fadeUp .9s var(--ease) .75s forwards}
.chip{display:flex;align-items:baseline;gap:8px;padding:10px 16px;border-radius:14px;font-size:.82rem;color:rgba(255,255,255,.75)}
.chip b{font-size:1.25rem;color:var(--gold);font-weight:800}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.stage{position:relative;height:min(560px,62vh);perspective:1400px}
.ring{position:absolute;left:50%;top:50%;width:min(480px,80vw);aspect-ratio:1;border-radius:50%;transform:translate(-50%,-50%) rotateX(72deg);border:2px solid rgba(251,192,5,.75);box-shadow:0 0 40px rgba(251,192,5,.5),inset 0 0 40px rgba(251,192,5,.35);animation:ringPulse 4s ease-in-out infinite}
.ring.r2{width:min(620px,100vw);border-color:rgba(251,192,5,.25);box-shadow:none;animation-delay:-2s}
@keyframes ringPulse{0%,100%{opacity:.9;transform:translate(-50%,-50%) rotateX(72deg) scale(1)}50%{opacity:.55;transform:translate(-50%,-50%) rotateX(72deg) scale(1.05)}}
.fan{position:absolute;inset:0;transform-style:preserve-3d;transition:transform .6s var(--ease)}
.fan .bk{position:absolute;left:50%;top:50%;width:clamp(120px,15vw,210px);transform-style:preserve-3d;opacity:0;animation:assemble 1.4s var(--ease) forwards}
.fan .bk img{border-radius:4px 8px 8px 4px;box-shadow:0 30px 60px -20px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.08)}
.fan .bk::after{content:"";position:absolute;inset:0;border-radius:4px 8px 8px 4px;background:linear-gradient(105deg,rgba(255,255,255,.28),transparent 30%,transparent 70%,rgba(255,255,255,.08));pointer-events:none}
.fan .bk:nth-child(1){--x:-125%;--y:-46%;--z:-120px;--ry:24deg;--rz:-8deg;animation-delay:.2s}
.fan .bk:nth-child(2){--x:-88%;--y:-58%;--z:-40px;--ry:14deg;--rz:-4deg;animation-delay:.32s}
.fan .bk:nth-child(3){--x:-50%;--y:-62%;--z:60px;--ry:0deg;--rz:0deg;animation-delay:.44s}
.fan .bk:nth-child(4){--x:-12%;--y:-58%;--z:-40px;--ry:-14deg;--rz:4deg;animation-delay:.56s}
.fan .bk:nth-child(5){--x:25%;--y:-46%;--z:-120px;--ry:-24deg;--rz:8deg;animation-delay:.68s}
@keyframes assemble{from{opacity:0;transform:translate(-50%,10%) translateZ(-500px) rotateY(0) rotateZ(0)}to{opacity:1;transform:translate(var(--x),var(--y)) translateZ(var(--z)) rotateY(var(--ry)) rotateZ(var(--rz))}}
.fan .bk>div{animation:bob 6s ease-in-out infinite}
.fan .bk:nth-child(even)>div{animation-delay:-3s}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.scroll-cue{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;font-size:.7rem;letter-spacing:.3em;color:rgba(255,255,255,.55);text-transform:uppercase}
.scroll-cue i{width:2px;height:38px;background:linear-gradient(var(--gold),transparent);animation:cue 2s ease-in-out 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}}
@media (max-width:900px){
 .hero-in{grid-template-columns:1fr;gap:10px}
 .stage{height:330px;order:-1;margin-top:-10px}
 .fan .bk{width:118px}
 .hero{padding-top:calc(var(--hdr) + 10px);min-height:auto}
 .scroll-cue{display:none}
}

/* page hero (inner pages) */
.phero{padding:calc(var(--hdr) + 70px) 0 70px;background:var(--space);color:#fff;position:relative;overflow:hidden;isolation:isolate}
.phero::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(50% 70% at 85% 20%,rgba(11,58,140,.9),transparent 70%),radial-gradient(30% 50% at 0% 100%,rgba(2,49,115,.8),transparent 70%)}
.phero::after{content:"";position:absolute;right:-120px;top:50%;width:520px;aspect-ratio:1;border-radius:50%;border:2px solid rgba(251,192,5,.35);transform:translateY(-50%);box-shadow:0 0 60px rgba(251,192,5,.18),inset 0 0 60px rgba(251,192,5,.12);z-index:-1}
.phero h1{font-size:clamp(2.2rem,6vw,4.4rem);max-width:15em}
.crumbs{font-size:.82rem;color:rgba(255,255,255,.6);margin-bottom:18px}
.crumbs a{color:rgba(255,255,255,.8);text-decoration:none}
.crumbs a:hover{color:var(--gold)}

/* reveal */
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}.rv.d4{transition-delay:.32s}
.no-js .rv{opacity:1;transform:none}

/* marquee */
.marquee{background:var(--gold);color:var(--navy);overflow:hidden;padding:16px 0;font-weight:800;letter-spacing:.06em;text-transform:uppercase;font-size:.95rem}
.marquee .track{display:flex;gap:44px;width:max-content;animation:mq 38s linear infinite}
.marquee span{display:inline-flex;align-items:center;gap:44px;white-space:nowrap}
.marquee span::after{content:"";width:8px;height:8px;background:var(--navy);transform:rotate(45deg)}
@keyframes mq{to{transform:translateX(-50%)}}

/* series cards */
.series{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.scard{padding:clamp(26px,4vw,44px);display:flex;flex-direction:column;min-height:420px;overflow:hidden;text-decoration:none;transition:transform .5s var(--ease)}
.scard:hover{transform:translateY(-6px)}
.scard h3{font-size:clamp(1.5rem,3vw,2.1rem)}
.scard p{color:var(--ink2);max-width:28em}
.scard .num{font-size:clamp(3rem,7vw,5.2rem);font-weight:800;color:var(--navy);line-height:1;letter-spacing:-.04em}
.scard .num small{font-size:1rem;letter-spacing:0;color:var(--ink2);font-weight:600;margin-left:8px}
.minifan{margin-top:auto;height:170px;position:relative}
.minifan img{position:absolute;bottom:-40px;width:110px;border-radius:3px 6px 6px 3px;box-shadow:0 20px 40px -14px rgba(1,12,38,.6);transition:transform .6s var(--ease)}
.minifan img:nth-child(1){left:0;transform:rotate(-10deg)}
.minifan img:nth-child(2){left:22%;transform:rotate(-4deg)}
.minifan img:nth-child(3){left:44%;transform:rotate(3deg)}
.minifan img:nth-child(4){left:66%;transform:rotate(9deg)}
.scard:hover .minifan img:nth-child(1){transform:rotate(-14deg) translateY(-14px)}
.scard:hover .minifan img:nth-child(2){transform:rotate(-6deg) translateY(-22px)}
.scard:hover .minifan img:nth-child(3){transform:rotate(4deg) translateY(-22px)}
.scard:hover .minifan img:nth-child(4){transform:rotate(13deg) translateY(-14px)}
.arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--navy);margin-top:6px}
.dark .arrow{color:var(--gold)}
.arrow svg{width:18px;height:18px;transition:transform .3s}
a:hover .arrow svg,.arrow:hover svg{transform:translateX(4px)}
@media (max-width:820px){.series{grid-template-columns:1fr}.scard{min-height:360px}}

/* showcase (scroll-driven) */
.showcase{height:300vh;position:relative}
.showcase .pin{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;justify-content:center;overflow:hidden}
.showcase .rail{display:flex;gap:clamp(24px,4vw,56px);padding:0 8vw;will-change:transform}
.showcase .item{flex:none;width:clamp(170px,18vw,240px);text-decoration:none;color:#fff;transform-style:preserve-3d}
.showcase .item .cv{transition:transform .2s linear;transform:perspective(900px) rotateY(var(--ry,0deg)) translateZ(var(--tz,0px));border-radius:4px 8px 8px 4px;box-shadow:0 40px 60px -26px rgba(0,0,0,.9)}
.showcase .item .cv img{border-radius:4px 8px 8px 4px}
.showcase .item p{margin:16px 0 0;font-weight:700;font-size:.95rem}
.showcase .item small{display:block;color:var(--gold);font-weight:700;letter-spacing:.12em;font-size:.68rem;text-transform:uppercase}
.showcase .head{padding:0 8vw;margin-bottom:40px;display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap}
.showcase .head h2{margin:0}
.showcase .bar{margin:46px 8vw 0;height:2px;background:rgba(255,255,255,.12);border-radius:2px;overflow:hidden}
.showcase .bar i{display:block;height:100%;width:100%;transform-origin:0 50%;transform:scaleX(0);background:var(--gold)}
.lite .showcase,.mobile-rail .showcase{height:auto}
.lite .showcase .pin,.mobile-rail .showcase .pin{position:relative;height:auto;padding:90px 0}
.lite .showcase .rail,.mobile-rail .showcase .rail{overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:18px;transform:none!important;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.lite .showcase .item,.mobile-rail .showcase .item{scroll-snap-align:center;width:156px}
.lite .showcase .bar,.mobile-rail .showcase .bar{display:none}

/* features */
.feat{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,6vw,80px);align-items:center}
.flist{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:30px}
.fitem{padding:22px}
.fitem .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--navy);color:var(--gold);margin-bottom:14px}
.dark .fitem .ic{background:rgba(251,192,5,.12);border:1px solid rgba(251,192,5,.3)}
.fitem .ic svg{width:22px;height:22px}
.fitem h3{font-size:1.02rem;margin-bottom:6px}
.fitem p{font-size:.92rem;color:var(--ink2);margin:0}
.dark .fitem p{color:rgba(255,255,255,.7)}
.pagepeek{position:relative;perspective:1600px;height:560px}
.pagepeek .pg{position:absolute;width:62%;border-radius:6px;box-shadow:0 40px 80px -30px rgba(2,49,115,.55),0 0 0 1px rgba(2,49,115,.08);transition:transform .8s var(--ease)}
.pagepeek .pg:nth-child(1){left:0;top:40px;transform:rotateY(18deg) rotateZ(-4deg)}
.pagepeek .pg:nth-child(2){right:0;top:0;transform:rotateY(-14deg) rotateZ(3deg)}
.pagepeek:hover .pg:nth-child(1){transform:rotateY(8deg) rotateZ(-2deg) translateX(-14px)}
.pagepeek:hover .pg:nth-child(2){transform:rotateY(-6deg) rotateZ(1deg) translateX(14px)}
.pagepeek .badge{position:absolute;left:50%;bottom:10px;transform:translateX(-50%);padding:12px 20px;white-space:nowrap;font-weight:700;font-size:.9rem;color:var(--navy);z-index:2}
.counter-row{display:flex;flex-wrap:wrap;gap:34px;margin-top:34px}
.counter b{display:block;font-size:clamp(2rem,4.5vw,3rem);font-weight:800;color:var(--navy);letter-spacing:-.03em;line-height:1}
.dark .counter b{color:var(--gold)}
.counter span{font-size:.85rem;color:var(--ink2);font-weight:600}
.dark .counter span{color:rgba(255,255,255,.7)}
@media (max-width:900px){.feat{grid-template-columns:1fr}.pagepeek{height:420px}.flist{grid-template-columns:1fr}}

/* cbt mock */
.cbt-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(30px,6vw,80px);align-items:center}
.mock{padding:22px;max-width:520px;margin-inline:auto;width:100%}
.mock .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;font-size:.8rem;color:rgba(255,255,255,.7);font-weight:600}
.timer{position:relative;width:54px;height:54px}
.timer svg{width:54px;height:54px;transform:rotate(-90deg)}
.timer circle{fill:none;stroke-width:4}
.timer .bg{stroke:rgba(255,255,255,.12)}
.timer .fg{stroke:var(--gold);stroke-linecap:round;stroke-dasharray:151;stroke-dashoffset:0;animation:tick 30s linear infinite}
.timer b{position:absolute;inset:0;display:grid;place-items:center;font-size:.72rem;color:#fff}
@keyframes tick{to{stroke-dashoffset:151}}
.q{font-weight:700;font-size:1.08rem;margin-bottom:16px;color:#fff}
.opts{display:grid;gap:10px}
.opt{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:14px 16px;border-radius:14px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05);color:#fff;font:inherit;font-weight:600;cursor:pointer;transition:background .3s,border-color .3s,transform .3s var(--ease)}
.opt:hover{background:rgba(255,255,255,.1);transform:translateX(4px)}
.opt i{font-style:normal;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:rgba(255,255,255,.1);font-size:.85rem;flex:none}
.opt.right{border-color:#7DE3A6;background:rgba(125,227,166,.14)}
.opt.right i{background:#7DE3A6;color:var(--space)}
.opt.wrong{border-color:#FF7A6B;background:rgba(255,122,107,.12)}
.opt.wrong i{background:#FF7A6B;color:var(--space)}
.explain{margin-top:16px;padding:16px;border-radius:14px;background:rgba(251,192,5,.1);border:1px solid rgba(251,192,5,.3);font-size:.92rem;color:rgba(255,255,255,.9);display:none}
.explain.show{display:block;animation:fadeUp .6s var(--ease)}
.explain b{color:var(--gold)}
.doors{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
.door{padding:24px}
.door .n{font-size:.75rem;font-weight:800;color:var(--gold);letter-spacing:.2em}
.light .door .n{color:var(--navy)}
.door h3{margin:10px 0 6px;font-size:1.08rem}
.door p{font-size:.9rem;margin:0;color:rgba(255,255,255,.72)}
.light .door p{color:var(--ink2)}
@media (max-width:900px){.cbt-grid{grid-template-columns:1fr}.doors{grid-template-columns:1fr}}

/* portal */
.portal{text-align:center;padding:clamp(100px,14vw,180px) 0}
.portal .big-ring{position:absolute;left:50%;top:50%;width:min(720px,120vw);aspect-ratio:1;border-radius:50%;transform:translate(-50%,-50%);border:2px solid rgba(251,192,5,.6);box-shadow:0 0 80px rgba(251,192,5,.35),inset 0 0 80px rgba(251,192,5,.25);pointer-events:none}
.portal .big-ring::before,.portal .big-ring::after{content:"";position:absolute;inset:12%;border-radius:50%;border:1px dashed rgba(251,192,5,.35);animation:spin 40s linear infinite}
.portal .big-ring::after{inset:26%;border-style:solid;border-color:rgba(255,255,255,.12);animation-duration:60s;animation-direction:reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.portal h2{max-width:13em;margin-inline:auto}
.portal .lead{margin:0 auto 34px}
.portal-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.55}
.zoom-ring{position:fixed;z-index:200;left:0;top:0;width:40px;height:40px;border-radius:50%;border:3px solid var(--gold);box-shadow:0 0 40px var(--gold),inset 0 0 40px rgba(251,192,5,.6);pointer-events:none;transform:translate(-50%,-50%) scale(0)}
.zoom-ring.go{transition:transform .9s cubic-bezier(.7,0,.2,1),border-width .9s;transform:translate(-50%,-50%) scale(var(--s));border-width:1px}
.zoom-veil{position:fixed;inset:0;z-index:199;background:radial-gradient(circle at var(--cx) var(--cy),var(--space) 0,var(--space) 100%);opacity:0;pointer-events:none;transition:opacity .5s .5s}
.zoom-veil.go{opacity:1}
.arrive .arrive-ring{position:fixed;left:50%;top:50%;width:200vmax;height:200vmax;border-radius:50%;border:2px solid var(--gold);box-shadow:0 0 60px var(--gold);z-index:200;pointer-events:none;transform:translate(-50%,-50%);animation:arrive 1.1s cubic-bezier(.2,.8,.2,1) forwards}
@keyframes arrive{from{opacity:1;transform:translate(-50%,-50%) scale(1)}to{opacity:0;transform:translate(-50%,-50%) scale(.02)}}

/* news carousel */
.carousel{position:relative}
.ctrack{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding:6px 4px 26px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.ctrack::-webkit-scrollbar{display:none}
.ncard{flex:0 0 min(380px,84vw);scroll-snap-align:start;padding:0;overflow:hidden;display:flex;flex-direction:column}
.ncard .art{height:180px;position:relative;overflow:hidden;background:linear-gradient(135deg,var(--navy),var(--space))}
.ncard .art img{width:100%;height:100%;object-fit:cover}
.ncard .art .lbl{position:absolute;left:16px;top:16px}
.ncard .bd{padding:22px}
.ncard time{font-size:.78rem;font-weight:700;color:var(--ink2);letter-spacing:.06em;text-transform:uppercase}
.ncard h3{font-size:1.12rem;margin:8px 0 8px}
.ncard p{font-size:.92rem;color:var(--ink2);margin:0}
.cnav{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-top:6px}
.dots{display:flex;gap:8px}
.dots button{width:9px;height:9px;border-radius:9px;border:0;background:rgba(2,49,115,.22);cursor:pointer;transition:width .4s var(--ease),background .3s;padding:0}
.dots button[aria-current="true"]{width:30px;background:var(--navy)}
.arrows{display:flex;gap:10px}
.arrows button{width:48px;height:48px;border-radius:50%;border:1.5px solid rgba(2,49,115,.25);background:#fff;color:var(--navy);cursor:pointer;display:grid;place-items:center;transition:background .3s}
.arrows button:hover{background:var(--gold);border-color:var(--gold)}
.arrows svg{width:18px;height:18px}

/* placeholder slot (Guest content) */
.slot{position:relative;border:1.5px dashed rgba(251,192,5,.6);border-radius:var(--r);display:grid;place-items:center;text-align:center;padding:30px;min-height:240px;overflow:hidden;color:#fff;background:linear-gradient(135deg,rgba(2,49,115,.85),rgba(1,12,38,.95))}
.slot::before{content:"";position:absolute;inset:0;background-image:var(--bg);background-size:cover;background-position:center;opacity:.35}
.slot>div{position:relative}
.slot .play{width:72px;height:72px;border-radius:50%;margin:0 auto 14px;display:grid;place-items:center;background:var(--gold);color:var(--navy);box-shadow:0 0 0 10px rgba(251,192,5,.18),0 0 0 22px rgba(251,192,5,.08)}
.slot .play svg{width:26px;height:26px;margin-left:4px}
.slot strong{display:block;font-size:1.05rem}
.slot small{color:rgba(255,255,255,.7)}
.light .slot.light-slot{background:var(--mist);color:var(--ink);border-color:rgba(2,49,115,.35)}
.light .slot.light-slot small{color:var(--ink2)}

/* footer */
.ftr{background:#010A20;color:rgba(255,255,255,.72);padding:80px 0 30px;position:relative;overflow:hidden}
.ftr::before{content:"";position:absolute;left:50%;top:0;width:min(900px,90vw);height:1px;transform:translateX(-50%);background:linear-gradient(90deg,transparent,var(--gold),transparent)}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.ftr h4{color:#fff;font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;margin-bottom:16px}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.ftr a{text-decoration:none;color:rgba(255,255,255,.78)}
.ftr a:hover{color:var(--gold)}
.ftr .brand{margin-bottom:16px}
.ftr .slogan{font-weight:700;color:var(--gold);letter-spacing:.04em}
.socials{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.socials span{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.75)}
.socials svg{width:18px;height:18px}
.legal{margin-top:50px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;gap:12px 30px;justify-content:space-between;font-size:.8rem;color:rgba(255,255,255,.5)}
@media (max-width:900px){.fgrid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.fgrid{grid-template-columns:1fr}}
.wa-float{position:fixed;right:18px;bottom:18px;z-index:40;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 14px 30px -8px rgba(0,0,0,.45);transition:transform .3s var(--ease)}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px}

/* books catalogue */
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:34px}
.fbtn{min-height:44px;padding:0 18px;border-radius:999px;border:1.5px solid rgba(2,49,115,.2);background:#fff;color:var(--navy);font:inherit;font-weight:700;font-size:.9rem;cursor:pointer;transition:all .3s}
.fbtn[aria-pressed="true"]{background:var(--navy);color:#fff;border-color:var(--navy)}
.search{flex:1 1 220px;min-height:46px;max-width:340px;margin-left:auto;padding:0 18px;border-radius:999px;border:1.5px solid rgba(2,49,115,.2);font:inherit;font-size:16px;color:var(--ink);background:#fff}
.search:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 4px rgba(251,192,5,.35)}
.bgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:30px 24px}
.bcard{text-decoration:none;color:var(--ink);display:flex;flex-direction:column;perspective:900px}
.bcard .cvw{position:relative;border-radius:4px 10px 10px 4px;transform-style:preserve-3d;transition:transform .5s var(--ease),box-shadow .5s;box-shadow:0 24px 40px -22px rgba(2,49,115,.6);background:var(--mist)}
.bcard .cvw::after{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(100deg,rgba(255,255,255,.35),transparent 28%,transparent 75%,rgba(0,0,0,.08));pointer-events:none}
.bcard .cvw::before{content:"";position:absolute;left:0;top:0;bottom:0;width:7%;background:linear-gradient(90deg,rgba(0,0,0,.25),transparent);border-radius:4px 0 0 4px;z-index:1}
.bcard:hover .cvw{box-shadow:0 40px 60px -26px rgba(2,49,115,.7)}
.bcard img{border-radius:4px 10px 10px 4px;aspect-ratio:var(--ar,0.7);object-fit:cover;width:100%}
.bcard .meta{padding-top:16px}
.bcard .meta small{font-size:.7rem;font-weight:800;letter-spacing:.14em;color:var(--navy);text-transform:uppercase;opacity:.75}
.bcard h3{font-size:1.05rem;margin:4px 0 4px}
.bcard .pp{font-size:.82rem;color:var(--ink2);font-weight:600}
.bcard[hidden]{display:none}
.empty{display:none;padding:40px;text-align:center;color:var(--ink2)}

/* book detail */
.bhero{padding:calc(var(--hdr) + 50px) 0 90px}
.bhero-in{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,6vw,80px);align-items:center}
.book3d-stage{height:min(600px,78vw);perspective:1600px;display:grid;place-items:center;touch-action:pan-y;cursor:grab;position:relative}
.book3d-stage::before{content:"";position:absolute;left:50%;bottom:6%;width:70%;height:40px;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(0,0,0,.6),transparent);filter:blur(6px)}
.book3d-stage::after{content:"";position:absolute;left:50%;top:50%;width:min(520px,90vw);aspect-ratio:1;transform:translate(-50%,-50%) rotateX(74deg);border-radius:50%;border:2px solid rgba(251,192,5,.6);box-shadow:0 0 40px rgba(251,192,5,.4);z-index:-1;top:88%}
.book3d{--w:clamp(200px,24vw,300px);--d:calc(var(--w)*.17);width:var(--w);aspect-ratio:1/var(--ar);position:relative;transform-style:preserve-3d;transform:rotateX(6deg) rotateY(-28deg);animation:turn 9s ease-in-out infinite}
.book3d.drag{animation:none}
@keyframes turn{0%,100%{transform:rotateX(6deg) rotateY(-30deg)}50%{transform:rotateX(4deg) rotateY(-8deg)}}
.book3d>div{position:absolute;backface-visibility:hidden}
.book3d .f{inset:0;transform:translateZ(calc(var(--d)/2));border-radius:2px 6px 6px 2px;overflow:hidden}
.book3d .f img{width:100%;height:100%;object-fit:cover}
.book3d .f::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(255,255,255,.3),transparent 32%,transparent 70%,rgba(255,255,255,.07))}
.book3d .bk{inset:0;transform:rotateY(180deg) translateZ(calc(var(--d)/2));background:linear-gradient(135deg,var(--navy),var(--space));border-radius:6px 2px 2px 6px;display:grid;place-items:center}
.book3d .bk img{width:40%;opacity:.9}
.book3d .sp{top:0;bottom:0;left:50%;width:var(--d);margin-left:calc(var(--d)/-2);transform:rotateY(-90deg) translateZ(calc(var(--w)/2));background:linear-gradient(90deg,rgba(0,0,0,.35),var(--spine) 20%,var(--spine) 80%,rgba(0,0,0,.35))}
.book3d .pg{top:1.2%;bottom:1.2%;left:50%;width:var(--d);margin-left:calc(var(--d)/-2);transform:rotateY(90deg) translateZ(calc(var(--w)/2 - 3px));background:repeating-linear-gradient(90deg,#f7f5ef 0 2px,#dcd8cc 2px 3px)}
.book3d .tp{left:0;right:3px;top:50%;height:var(--d);margin-top:calc(var(--d)/-2);transform:rotateX(90deg) translateZ(calc(var(--w)*var(--ar)/2 - 3px));background:repeating-linear-gradient(0deg,#f7f5ef 0 2px,#dcd8cc 2px 3px)}
.lite .book3d{animation:none;transform:none}
.lite .book3d .sp,.lite .book3d .pg,.lite .book3d .tp,.lite .book3d .bk{display:none}
.binfo .tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.binfo h1{font-size:clamp(2.1rem,5vw,3.8rem);margin-bottom:12px}
.binfo .sub{color:rgba(255,255,255,.75);font-size:1.05rem;margin-bottom:24px}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:26px}
.facts div{padding:16px}
.facts b{display:block;font-size:1.35rem;color:var(--gold);font-weight:800;line-height:1.1}
.facts span{font-size:.78rem;color:rgba(255,255,255,.7);font-weight:600}
.formats{display:grid;gap:10px;margin-bottom:26px}
.fmt{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px}
.fmt span{font-weight:700}
.fmt small{display:block;font-weight:500;color:rgba(255,255,255,.65);font-size:.8rem}
.fmt [data-price]{font-weight:800;color:var(--gold);white-space:nowrap;font-size:.95rem}
.note{font-size:.82rem;color:rgba(255,255,255,.6);margin-top:14px}
.light .note{color:var(--ink2)}
@media (max-width:900px){.bhero-in{grid-template-columns:1fr}.book3d-stage{height:420px}.facts{grid-template-columns:repeat(3,1fr)}}
.previews{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;max-width:1000px}
.previews button{padding:0;border:0;background:none;cursor:zoom-in;border-radius:8px;overflow:hidden;box-shadow:0 20px 40px -20px rgba(2,49,115,.55),0 0 0 1px rgba(2,49,115,.08);transition:transform .5s var(--ease)}
.previews button:hover{transform:translateY(-6px) rotate(-1deg)}
.previews img{width:100%;aspect-ratio:var(--par,0.707);object-fit:cover;background:#fff}
.previews figcaption{font-size:.78rem;font-weight:600;color:var(--ink2);margin-top:8px;text-align:center}
@media (max-width:900px){.previews{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:62%;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px}.previews figure{scroll-snap-align:center}}
figure{margin:0}
.toc{columns:2;column-gap:40px;padding:0;margin:0;list-style:none}
.toc li{break-inside:avoid;padding:12px 0;border-bottom:1px solid var(--lineL);display:flex;gap:14px;font-weight:600}
.toc li b{color:var(--navy);min-width:62px;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;padding-top:2px}
.toc li.part{font-weight:800;color:var(--navy);border-bottom:2px solid var(--gold);margin-top:10px}
@media (max-width:700px){.toc{columns:1}}
.cbt-strip{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;padding:26px 30px;margin-top:10px}
.cbt-strip h3{margin:0 0 4px}
.cbt-strip p{margin:0;color:rgba(255,255,255,.75)}
.lightbox{position:fixed;inset:0;z-index:300;background:rgba(1,12,38,.94);display:none;align-items:center;justify-content:center;padding:60px 16px 30px}
.lightbox.open{display:flex;animation:fadeUp .4s var(--ease)}
.lightbox img{max-height:86vh;width:auto;max-width:min(92vw,720px);border-radius:6px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lightbox .x,.lightbox .pv,.lightbox .nx{position:absolute;width:50px;height:50px;border-radius:50%;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.08);color:#fff;font-size:1.4rem;cursor:pointer;display:grid;place-items:center}
.lightbox .x{top:14px;right:14px}
.lightbox .pv{left:14px;top:50%}.lightbox .nx{right:14px;top:50%}
.lightbox .cap{position:absolute;bottom:10px;left:0;right:0;text-align:center;color:rgba(255,255,255,.7);font-size:.82rem}

/* generic cards / split */
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{padding:28px}
.card h3{margin-bottom:8px}
.card p{color:var(--ink2);margin:0;font-size:.95rem}
.dark .card p{color:rgba(255,255,255,.72)}
.card .ic{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--navy);color:var(--gold);margin-bottom:18px}
.dark .card .ic{background:rgba(251,192,5,.12);border:1px solid rgba(251,192,5,.3)}
.card .ic svg{width:24px;height:24px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,6vw,80px);align-items:center}
@media (max-width:900px){.cards3{grid-template-columns:1fr}.split{grid-template-columns:1fr}}
.steps{counter-reset:s;display:grid;gap:16px}
.step{display:flex;gap:18px;padding:22px}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);font-weight:800;font-size:1.5rem;color:var(--gold);min-width:44px}
.light .step::before{color:var(--navy)}
.step h3{font-size:1.05rem;margin-bottom:4px}
.step p{margin:0;font-size:.93rem;color:rgba(255,255,255,.72)}
.light .step p{color:var(--ink2)}
.access{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.access .card ul{margin:14px 0 0;padding-left:20px;color:var(--ink2);font-size:.95rem}
.dark .access .card ul{color:rgba(255,255,255,.75)}
.access .card li{margin-bottom:6px}
.code{font-family:ui-monospace,Menlo,Consolas,monospace;background:rgba(251,192,5,.16);color:inherit;padding:2px 8px;border-radius:6px;font-size:.9em}
@media (max-width:820px){.access{grid-template-columns:1fr}}
.modal{position:fixed;inset:0;z-index:300;background:rgba(1,12,38,.8);display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal .box{max-width:440px;width:100%;padding:30px;color:#fff;animation:fadeUp .4s var(--ease)}
.modal label{display:block;font-size:.85rem;font-weight:600;margin:14px 0 6px;color:rgba(255,255,255,.8)}
.modal input{width:100%;min-height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.06);color:#fff;font:inherit;font-size:16px;padding:0 14px}
.modal .soon-msg{margin-top:16px;padding:14px;border-radius:12px;background:rgba(251,192,5,.12);border:1px solid rgba(251,192,5,.35);font-size:.9rem}
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ccard{padding:26px;text-decoration:none;color:var(--ink);display:block;transition:transform .4s var(--ease)}
a.ccard:hover{transform:translateY(-4px)}
.ccard .ic{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;background:var(--navy);color:var(--gold);margin-bottom:16px}
.ccard .ic svg{width:24px;height:24px}
.ccard small{font-size:.74rem;font-weight:800;letter-spacing:.14em;color:var(--ink2);text-transform:uppercase}
.ccard strong{display:block;font-size:1.08rem;margin-top:4px;word-break:break-word}
@media (max-width:1000px){.contact-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.contact-grid{grid-template-columns:1fr}}
.mapcard{position:relative;min-height:380px;border-radius:var(--r);overflow:hidden;background:#0A1E4A;color:#fff}
.mapcard svg.map{position:absolute;inset:0;width:100%;height:100%}
.mapcard .pin{position:absolute;left:50%;top:46%;transform:translate(-50%,-100%);display:flex;flex-direction:column;align-items:center}
.mapcard .pin i{width:22px;height:22px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);background:var(--gold);box-shadow:0 0 0 8px rgba(251,192,5,.25)}
.mapcard .pin::after{content:"";width:60px;height:60px;border-radius:50%;border:2px solid var(--gold);position:absolute;top:-19px;animation:ping 2s ease-out infinite}
@keyframes ping{from{transform:scale(.2);opacity:1}to{transform:scale(1.6);opacity:0}}
.mapcard .mbox{position:absolute;left:18px;right:18px;bottom:18px;padding:20px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.form{display:grid;gap:14px}
.form label{font-weight:600;font-size:.9rem}
.form input,.form textarea,.form select{width:100%;min-height:50px;border-radius:14px;border:1.5px solid rgba(2,49,115,.2);padding:12px 16px;font:inherit;font-size:16px;color:var(--ink);background:#fff}
.form textarea{min-height:120px;resize:vertical}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 4px rgba(251,192,5,.35)}
.prose{max-width:720px}
.prose p{color:var(--ink2);font-size:1.05rem}
.quote{font-size:clamp(1.3rem,2.6vw,1.9rem);font-weight:700;line-height:1.35;letter-spacing:-.01em;color:#fff}
.newslist{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.newslist .ncard{flex:none}
.not-found{min-height:100svh;display:grid;place-items:center;text-align:center}
@media (prefers-reduced-motion:reduce){
 *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
 .rv{opacity:1;transform:none}
 .hero h1 .ln>span{transform:none}
}
.rm .marquee .track,.rm .ring,.rm .grid-floor,.rm .book3d{animation:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.slot-ring{--bg:url("../img/ring-800.webp")}

/* ===================== v2 (Oct 16 2026) ===================== */
/* header: labelled nav on desktop, labelled bottom tab bar on phones */
.hdr .menu-btn{display:none!important}
.nav2{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav2 a{display:inline-flex;align-items:center;gap:7px;color:rgba(255,255,255,.86);text-decoration:none;font-weight:650;font-size:.86rem;padding:9px 11px;border-radius:12px;position:relative;transition:color .25s,background .25s}
.nav2 a svg{width:17px;height:17px;flex:none;opacity:.85}
.nav2 a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav2 a[aria-current="page"]{color:var(--navy);background:var(--gold)}
.nav2 a[aria-current="page"] svg{opacity:1}
.hdr .wrap{gap:14px}
.hdr .nav{display:none!important}
.hdr .brand{flex:none}
@media (max-width:1180px){.nav2 a svg{display:none}.nav2 a{padding:9px 9px}}
@media (max-width:1020px){.nav2{display:none}.hdr .btn.hide-m{display:inline-flex!important;--h:38px;padding:0 14px;font-size:.8rem}}
.tabbar{display:none}
@media (max-width:1020px){
 .tabbar{display:grid;grid-template-columns:repeat(7,1fr);position:fixed;left:8px;right:8px;bottom:calc(8px + env(safe-area-inset-bottom,0px));z-index:60;
  background:rgba(1,12,38,.94);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:6px 4px;box-shadow:0 18px 40px -12px rgba(1,12,38,.6),inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(16px) saturate(150%);-webkit-backdrop-filter:blur(16px) saturate(150%)}
 .tabbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:50px;padding:4px 0;border-radius:14px;color:rgba(255,255,255,.78);text-decoration:none;font-size:10.5px;font-weight:700;letter-spacing:.01em;line-height:1.1;position:relative;-webkit-tap-highlight-color:transparent}
 .tabbar a svg{width:21px;height:21px}
 .tabbar a[aria-current="page"]{color:var(--gold)}
 .tabbar a[aria-current="page"]::before{content:"";position:absolute;top:-6px;left:28%;right:28%;height:3px;border-radius:0 0 3px 3px;background:var(--gold);box-shadow:0 0 14px var(--gold)}
 .tabbar a:active{background:rgba(255,255,255,.08)}
 body{padding-bottom:calc(84px + env(safe-area-inset-bottom,0px))}
 .wa-float{bottom:calc(92px + env(safe-area-inset-bottom,0px))!important}
}
@media (max-width:370px){.tabbar a{font-size:9.5px}.tabbar a svg{width:19px;height:19px}}
.lite .tabbar{backdrop-filter:none;-webkit-backdrop-filter:none;background:#010C26}

/* hero v2: 3D book ring */
.hero2{position:relative;min-height:100svh;padding:calc(var(--hdr) + 28px) 0 40px;background:radial-gradient(80% 60% at 70% 30%,#0B3A8C 0%,var(--space) 60%);color:#fff;overflow:hidden;isolation:isolate}
.hero2 #fx{position:absolute;inset:0;width:100%;height:100%;z-index:-1;opacity:.9}
.hero2 .glow{position:absolute;border-radius:50%;filter:blur(60px);pointer-events:none;z-index:-1}
.hero2 .glow.g1{width:46vw;height:46vw;right:-8vw;top:6vh;background:radial-gradient(circle,rgba(251,192,5,.28),transparent 65%)}
.hero2 .glow.g2{width:40vw;height:40vw;left:-12vw;bottom:-8vh;background:radial-gradient(circle,rgba(43,108,255,.35),transparent 65%)}
.hero2 .grid-floor{position:absolute;left:-20%;right:-20%;bottom:-10%;height:46%;z-index:-1;background-image:linear-gradient(rgba(251,192,5,.16) 1px,transparent 1px),linear-gradient(90deg,rgba(251,192,5,.16) 1px,transparent 1px);background-size:56px 56px;transform:perspective(700px) rotateX(64deg);transform-origin:50% 100%;mask-image:linear-gradient(to top,#000 10%,transparent 85%);-webkit-mask-image:linear-gradient(to top,#000 10%,transparent 85%)}
.hero2 .hero-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);align-items:center;gap:20px;min-height:calc(100svh - var(--hdr) - 80px)}
.hero2 h1{font-size:clamp(2.5rem,6.2vw,5.2rem);margin-bottom:.35em}
.hero2 .lead{max-width:34em}
.hero2 .chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero2 .chip{padding:8px 14px;border-radius:999px;font-size:.85rem;color:rgba(255,255,255,.86)}
.hero2 .chip b{color:var(--gold);font-weight:800}
@media (max-width:900px){.hero2 .hero-in{grid-template-columns:1fr;gap:0;min-height:0}.hero2{padding-top:calc(var(--hdr) + 18px)}.hero2 h1{font-size:clamp(2.3rem,10.5vw,3.4rem)}.hero2 .lead{font-size:1rem}.hero2 .chips{display:none}}

.ring-stage{position:relative;height:clamp(400px,62vh,640px);perspective:1250px;perspective-origin:50% 38%;touch-action:pan-y;user-select:none;-webkit-user-select:none;cursor:grab;outline:none}
.ring-stage:active{cursor:grabbing}
.ring-stage .orbit{position:absolute;left:50%;top:58%;width:var(--od,760px);height:var(--od,760px);margin:calc(var(--od,760px)/-2) 0 0 calc(var(--od,760px)/-2);border-radius:50%;border:1.5px solid rgba(251,192,5,.45);box-shadow:0 0 40px rgba(251,192,5,.25),inset 0 0 60px rgba(251,192,5,.12);transform:rotateX(78deg);pointer-events:none}
.ring-stage .orbit.o2{--od:calc(var(--od0,760px)*1.18);border-color:rgba(255,255,255,.12);border-style:dashed;box-shadow:none}
.ring-stage .floor-glow{position:absolute;left:10%;right:10%;top:62%;height:30%;background:radial-gradient(50% 50% at 50% 50%,rgba(251,192,5,.28),transparent 70%);filter:blur(20px);pointer-events:none}
.ring3d{position:absolute;left:50%;top:44%;width:0;height:0;transform-style:preserve-3d;will-change:transform}
.b3{--w:150px;--h:212px;--d:30px;position:absolute;left:calc(var(--w)/-2);top:calc(var(--h)/-2);width:var(--w);height:var(--h);transform-style:preserve-3d;text-decoration:none;color:inherit;-webkit-tap-highlight-color:transparent}
.b3 .fl{position:absolute;inset:0;transform-style:preserve-3d;animation:bfloat 5.5s ease-in-out infinite;animation-delay:var(--dl,0s)}
@keyframes bfloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.b3 .bx{position:absolute;inset:0;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.2,.9,.25,1.25)}
.b3.hov .bx,.b3:focus-visible .bx{transform:translateY(-22px) translateZ(26px) rotateY(-14deg) rotateX(4deg)}
.b3 .f{position:absolute;left:0;top:0;backface-visibility:hidden;-webkit-backface-visibility:hidden}
.b3 .front,.b3 .back,.b3 .inner{width:var(--w);height:var(--h)}
.b3 .front{transform:translateZ(calc(var(--d)/2));transform-origin:0 50%;transition:transform .9s cubic-bezier(.65,.05,.25,1);border-radius:2px 5px 5px 2px;overflow:hidden;box-shadow:inset 3px 0 6px rgba(0,0,0,.35)}
.b3 .front img{width:100%;height:100%;object-fit:cover;display:block;pointer-events:none}
.b3 .front::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(255,255,255,.0) 30%,rgba(255,255,255,.28) 46%,rgba(255,255,255,0) 60%);transform:translateX(var(--sh,-60%));transition:transform .2s linear;pointer-events:none}
.b3 .front::before{content:"";position:absolute;left:5px;top:0;bottom:0;width:2px;background:rgba(0,0,0,.25);box-shadow:1px 0 0 rgba(255,255,255,.15);z-index:2}
.b3 .inner{transform:translateZ(calc(var(--d)/2 - 1px));background:linear-gradient(90deg,#e9edf5,#fff 12%);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;padding:14px;color:var(--navy);border-radius:2px 4px 4px 2px}
.b3 .inner img{width:44px;height:auto}
.b3 .inner b{font-size:12px;line-height:1.2;font-weight:800}
.b3 .inner span{font-size:10px;font-weight:700;color:#7a6200;background:rgba(251,192,5,.25);padding:4px 8px;border-radius:999px}
.b3 .back{transform:rotateY(180deg) translateZ(calc(var(--d)/2));background:linear-gradient(160deg,#04245a,#011438);border-radius:5px 2px 2px 5px}
.b3 .back::after{content:"";position:absolute;inset:auto 18% 16% 18%;height:3px;background:var(--gold);border-radius:2px;opacity:.8}
.b3 .spine{width:var(--d);height:var(--h);left:calc(var(--d)/-2 + 0px);transform:rotateY(-90deg) translateZ(calc(var(--d)/2));transform-origin:50% 50%;background:linear-gradient(90deg,#011438,#03307a 50%,#011438);display:flex;align-items:center;justify-content:center;overflow:hidden}
.b3 .spine{left:calc(50% - var(--d)/2);transform:translateX(calc(var(--w)/-2)) rotateY(-90deg)}
.b3 .spine i{writing-mode:vertical-rl;transform:rotate(180deg);font-style:normal;font-size:9.5px;font-weight:800;letter-spacing:.12em;color:#fff;white-space:nowrap}
.b3 .spine::before,.b3 .spine::after{content:"";position:absolute;left:0;right:0;height:5px;background:var(--gold)}
.b3 .spine::before{top:12px}.b3 .spine::after{bottom:12px}
.b3 .pages{width:var(--d);height:calc(var(--h) - 6px);top:3px;left:calc(50% - var(--d)/2);transform:translateX(calc(var(--w)/2 - 3px)) rotateY(90deg);background:repeating-linear-gradient(90deg,#f7f3ea 0 1px,#ddd6c6 1px 2px);box-shadow:inset 0 0 6px rgba(0,0,0,.25)}
.b3 .top{width:calc(var(--w) - 4px);height:var(--d);left:0;top:calc(50% - var(--d)/2 - var(--h)/2);transform:rotateX(90deg);background:repeating-linear-gradient(0deg,#f7f3ea 0 1px,#d9d2c1 1px 2px)}
.b3 .shade{position:absolute;inset:0;background:#010C26;opacity:var(--o,0);pointer-events:none;transform:translateZ(calc(var(--d)/2 + 1px));border-radius:2px 5px 5px 2px}
.b3.open .front{transform:translateZ(calc(var(--d)/2)) rotateY(-160deg)}
.b3.open .bx{transform:translateY(-26px) translateZ(60px) scale(1.06)}
.b3 .lbl{position:absolute;left:50%;top:-34px;transform:translateX(-50%) translateZ(20px);white-space:nowrap;font-size:11px;font-weight:700;color:rgba(255,255,255,.85);background:rgba(1,12,38,.6);border:1px solid rgba(255,255,255,.14);padding:3px 9px;border-radius:999px;opacity:0;transition:opacity .3s;pointer-events:none}
.b3.front-most .lbl,.b3.hov .lbl{opacity:1}
.ring-hint{position:absolute;left:50%;bottom:6px;transform:translateX(-50%);display:flex;align-items:center;gap:8px;font-size:.78rem;font-weight:600;color:rgba(255,255,255,.7);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);padding:7px 14px;border-radius:999px;white-space:nowrap;pointer-events:none}
.ring-hint svg{width:16px;height:16px;color:var(--gold)}
@media (max-width:900px){.ring-stage{height:390px;margin-top:6px}.b3{--w:112px;--h:158px;--d:24px}.b3 .spine i{font-size:8px}}
/* flat fallback (reduced motion / low-end phones) */
.ring-stage.flat{perspective:none;height:auto;cursor:auto;touch-action:auto;padding:16px 0 50px}
.ring-stage.flat .orbit,.ring-stage.flat .floor-glow{display:none}
.ring-stage.flat .ring3d{position:static;width:auto;height:auto;transform:none!important;display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:8px 4px 14px;-webkit-overflow-scrolling:touch}
.ring-stage.flat .b3{position:relative;left:auto;top:auto;flex:none;transform:none!important;scroll-snap-align:center}
.ring-stage.flat .b3 .fl{animation:none}
.ring-stage.flat .b3 .spine,.ring-stage.flat .b3 .pages,.ring-stage.flat .b3 .top,.ring-stage.flat .b3 .back,.ring-stage.flat .b3 .inner,.ring-stage.flat .b3 .shade{display:none}
.ring-stage.flat .b3 .front{transform:none;box-shadow:0 14px 30px -12px rgba(0,0,0,.6)}
.ring-stage.flat .b3 .lbl{opacity:1;top:auto;bottom:-30px;transform:translateX(-50%)}

/* word reveal */
.sw{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em;margin-bottom:-.08em}
.sw>span{display:inline-block;will-change:transform}

/* pinned showcase v2 */
.show2{position:relative;background:var(--space);color:#fff;overflow:hidden}
.show2 .pinwrap{min-height:100svh;display:flex;flex-direction:column;justify-content:center;gap:28px;padding:calc(var(--hdr) + 10px) 0 20px}
.show2 .head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px}
.show2 .head h2{margin:0}
.show2 .track{display:flex;gap:28px;padding:20px 6vw 40px;width:max-content;will-change:transform;perspective:1000px}
.show2 .card{width:clamp(170px,19vw,250px);flex:none;text-decoration:none;color:#fff;transform-style:preserve-3d}
.show2 .card .cv{position:relative;border-radius:6px;overflow:hidden;box-shadow:0 30px 50px -22px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.08);transform:rotateY(var(--ry,0deg)) translateZ(var(--tz,0px));transition:box-shadow .3s}
.show2 .card .cv img{width:100%;height:auto}
.show2 .card:hover .cv{box-shadow:0 30px 60px -18px rgba(251,192,5,.45),0 0 0 2px var(--gold)}
.show2 .card b{display:block;margin-top:14px;font-size:.98rem}
.show2 .card small{display:block;color:rgba(255,255,255,.62);font-size:.78rem;font-weight:600;margin-top:2px}
.show2 .progress2{height:3px;background:rgba(255,255,255,.12);border-radius:3px;overflow:hidden;width:min(100% - 40px,var(--max));margin:0 auto}
.show2 .progress2 i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),#ffe07a);transform-origin:0 50%;transform:scaleX(0)}
.show2 .track{overflow-x:auto;width:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.show2 .card{scroll-snap-align:start}
html:not(.gsap-on) .show2 .pinwrap{min-height:0;padding:90px 0 60px}
.gsap-on .show2 .track{overflow:visible;width:max-content;scroll-snap-type:none}

/* CBT demo v2 */
.quiz2{padding:22px;border-radius:24px;position:relative;overflow:hidden}
.quiz2 .qtop{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.quiz2 .subj{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:.86rem;background:rgba(251,192,5,.14);color:var(--gold);border:1px solid rgba(251,192,5,.35);padding:6px 12px;border-radius:999px}
.quiz2 .subj i{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px var(--gold)}
.quiz2 .meta{font-size:.76rem;color:rgba(255,255,255,.62);font-weight:600;margin:0 0 10px}
.quiz2 .timer{position:relative;width:46px;height:46px;flex:none}
.quiz2 .timer svg{width:46px;height:46px;transform:rotate(-90deg)}
.quiz2 .timer circle{fill:none;stroke-width:4}
.quiz2 .timer .bg{stroke:rgba(255,255,255,.12)}
.quiz2 .timer .fg{stroke:var(--gold);stroke-linecap:round;stroke-dasharray:125.7;stroke-dashoffset:0;transition:stroke-dashoffset 1s linear}
.quiz2 .timer b{position:absolute;inset:0;display:grid;place-items:center;font-size:.72rem}
.quiz2 .q{font-size:clamp(1.02rem,1.6vw,1.2rem);font-weight:700;line-height:1.45;margin:0 0 16px;min-height:3em}
.quiz2 .opts{display:grid;gap:10px}
.quiz2 .opt{display:flex;align-items:center;gap:12px;width:100%;text-align:left;font:inherit;font-weight:600;font-size:.95rem;color:#fff;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:11px 14px;cursor:pointer;transition:background .25s,border-color .25s,transform .25s}
.quiz2 .opt i{flex:none;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-style:normal;font-weight:800;background:rgba(255,255,255,.1)}
.quiz2 .opt:hover:not([disabled]){background:rgba(255,255,255,.12);transform:translateX(3px)}
.quiz2 .opt.right{background:rgba(34,197,94,.18);border-color:#22c55e}
.quiz2 .opt.right i{background:#22c55e;color:#04210f}
.quiz2 .opt.wrong{background:rgba(239,68,68,.16);border-color:#ef4444;animation:shake .4s}
.quiz2 .opt.wrong i{background:#ef4444}
.quiz2 .opt[disabled]{cursor:default}
@keyframes shake{25%{transform:translateX(-5px)}50%{transform:translateX(5px)}75%{transform:translateX(-3px)}}
.quiz2 .tutor{margin-top:16px;border-top:1px solid rgba(255,255,255,.12);padding-top:14px;display:none}
.quiz2.done .tutor{display:block}
.quiz2 .verdict{font-weight:800;margin:0 0 8px}
.quiz2 .verdict.ok{color:#4ade80}.quiz2 .verdict.no{color:#fca5a5}
.quiz2 .st-h{display:flex;align-items:center;gap:8px;font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin:12px 0 6px}
.quiz2 .st-h svg{width:16px;height:16px}
.quiz2 ol{margin:0;padding-left:1.2em;display:grid;gap:6px;font-size:.92rem;color:rgba(255,255,255,.88)}
.quiz2 ol li{opacity:0;transform:translateY(8px);transition:opacity .45s,transform .45s}
.quiz2 ol li.in{opacity:1;transform:none}
.quiz2 .why,.quiz2 .take{font-size:.9rem;color:rgba(255,255,255,.85);background:rgba(255,255,255,.05);border-left:3px solid var(--gold);padding:9px 12px;border-radius:0 10px 10px 0;margin:10px 0 0}
.quiz2 .why{border-left-color:#ef4444}
.quiz2 .qfoot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;flex-wrap:wrap}
.quiz2 .score{font-size:.8rem;font-weight:700;color:rgba(255,255,255,.7)}
.quiz2 .next{--h:44px;font-size:.9rem}
.quiz2 .src{font-size:.72rem;color:rgba(255,255,255,.5);margin:10px 0 0}
.quiz2.swap .qbody{animation:qin .5s cubic-bezier(.2,.8,.2,1)}
@keyframes qin{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.light .quiz2{color:#fff;background:linear-gradient(150deg,#03205a,#010C26)}
.rm .b3 .fl{animation:none}
@media (prefers-reduced-motion:reduce){.b3 .fl{animation:none}.quiz2 ol li{opacity:1;transform:none}.quiz2.swap .qbody{animation:none}}
.hero2 .gold-u .sw>span,.dark .gold-u .sw>span{background:linear-gradient(90deg,var(--gold),#FFE07A);-webkit-background-clip:text;background-clip:text;color:transparent}
.light .gold-u .sw>span{background:none;color:var(--navy)}
.hero2 h1 .ln{display:block;overflow:hidden;padding-bottom:.06em}
.hero2 h1 .ln>span{display:inline-block;transform:translateY(105%);animation:rise 1.1s var(--ease) forwards}
.hero2 h1 .ln:nth-child(2)>span{animation-delay:.12s}
.hero2 .lead{opacity:0;animation:fadeUp .9s var(--ease) .45s forwards}
.hero2 .btn-row{margin-top:26px;opacity:0;animation:fadeUp .9s var(--ease) .6s forwards}
.hero2 .chips{opacity:0;animation:fadeUp .9s var(--ease) .75s forwards}
.hero2 .ring-stage{opacity:0;animation:ringIn 1.6s var(--ease) .3s forwards}
@keyframes ringIn{from{opacity:0;transform:translateY(40px) scale(.9)}to{opacity:1;transform:none}}
.rm .hero2 h1 .ln>span,.rm .hero2 .lead,.rm .hero2 .btn-row,.rm .hero2 .chips,.rm .hero2 .ring-stage{animation:none;opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.hero2 h1 .ln>span,.hero2 .lead,.hero2 .btn-row,.hero2 .chips,.hero2 .ring-stage{animation:none;opacity:1;transform:none}}

/* v2 hero layout refinements */
@media (min-width:901px){
 .hero2 .hero-in{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}
 .hero2 .hero-copy{position:relative;z-index:3}
 .hero2 h1{font-size:clamp(2.6rem,5vw,4.6rem)}
 .ring-stage{margin-right:calc((100vw - min(100vw - 40px,var(--max)))/-2);-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 16%);mask-image:linear-gradient(90deg,transparent 0,#000 16%)}
 .ring-stage .ring3d,.ring-stage .orbit,.ring-stage .floor-glow{left:58%}
 .ring-stage .floor-glow{left:20%;right:-10%}
 .b3{--w:132px;--h:187px;--d:28px}
}
.b3 .back{background:url(../img/emblem-96.webp) 50% 40%/46px auto no-repeat,linear-gradient(160deg,#04245a,#011438)}
@media (max-width:900px){
 .hero2 .ring-stage{order:-1;height:330px;margin:0 -20px 6px}
 .hero2 .eyebrow{display:none}
 .hero2 .btn-row{margin-top:18px}
 .hero2 .btn-row .btn{--h:46px;padding:0 18px;font-size:.9rem}
 .ring-hint{bottom:0;font-size:.72rem}
 .b3{--w:104px;--h:147px;--d:22px}
}
@media (max-width:560px){
 .hdr .btn.hide-m{width:42px;padding:0!important;font-size:0!important;gap:0}
 .hdr .btn.hide-m svg{width:22px;height:22px}
}
@media (max-width:1020px){.wa-float{display:none!important}}

/* W33 maths */[data-quiz2].mathwait .q,[data-quiz2].mathwait .opts{visibility:hidden}[data-quiz2] .katex{font-size:1.06em}[data-quiz2] .katex-display{margin:.5em 0;overflow-x:auto;overflow-y:hidden;padding:.15em 0}[data-quiz2] .q .katex,[data-quiz2] .opt .katex{white-space:nowrap;font-size:1.18em}

/* ===================== v3 (Oct 16 2026): faster, lighter, smoother ===================== */
/* intro: short and snappy, nothing to wait for */
.hero2 h1 .ln>span{animation:rise .55s var(--ease) forwards}
.hero2 .lead{animation:fadeUp .45s var(--ease) .1s forwards}
.hero2 .btn-row{animation:fadeUp .45s var(--ease) .16s forwards}
.hero2 .chips{animation:fadeUp .45s var(--ease) .24s forwards}
.hero2 .ring-stage{animation:ringIn .6s var(--ease) .05s forwards}
/* the glows are already soft gradients: no blur filter needed */
.hero2 .glow{filter:none}
.ring-stage .floor-glow{filter:none;background:radial-gradient(50% 50% at 50% 50%,rgba(251,192,5,.22),transparent 72%)}
/* books float together (one transform on the ring), not 22 separate animations */
.b3 .fl{animation:none}
.b3 .front{transition:transform .5s cubic-bezier(.65,.05,.25,1)}
.b3 .bx{transition:transform .3s cubic-bezier(.2,.9,.25,1.2)}
.ring3d{will-change:transform}
/* touch feels instant */
a,button,.btn,.opt,.chip2{-webkit-tap-highlight-color:transparent;touch-action:manipulation}
.btn{transition:transform .15s ease,box-shadow .2s ease,background-color .2s ease}
.btn:active{transform:scale(.97)}
.quiz2 .opt{transition:background-color .15s,border-color .15s,transform .12s}
.quiz2 .opt:active:not([disabled]){transform:scale(.985)}
.quiz2.swap .qbody{animation:qin .32s cubic-bezier(.2,.8,.2,1)}
/* phones: glass without the blur cost */
@media (max-width:900px){
 .glass,.btn-glass,.hdr::before{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
 .glass{background:linear-gradient(135deg,rgba(255,255,255,.12),rgba(255,255,255,.05))}
 .light .glass,.mist .glass{background:#fff}
 .hdr::before{background:rgba(1,12,38,.94)}
 .marquee .track{animation-duration:60s}
 .grid-floor{animation:none!important}
}
/* ---- hero: two big actions ---- */
.hero2 .cta3{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hero2 .cta3 .btn{--h:56px;font-size:1.02rem;padding:0 26px}
.hero2 .cta3 .btn-white{background:#fff;color:var(--navy);box-shadow:0 10px 30px -10px rgba(255,255,255,.45)}
.hero2 .cta3 .btn svg{width:20px;height:20px}
.hero2 .cta3 .pulse{position:relative}
.hero2 .cta3 .pulse::after{content:"";position:absolute;inset:-4px;border-radius:999px;border:2px solid rgba(251,192,5,.7);opacity:0;animation:ctaPing 2.4s ease-out 1.2s infinite;pointer-events:none}
@keyframes ctaPing{0%{opacity:.8;transform:scale(1)}100%{opacity:0;transform:scale(1.18)}}
.hero2 .sublink{display:inline-flex;align-items:center;gap:8px;margin-top:14px;color:rgba(255,255,255,.8);font-weight:700;font-size:.9rem;text-decoration:none}
.hero2 .sublink:hover{color:var(--gold)}
.hero2 .sublink svg{width:18px;height:18px}
@media (max-width:560px){.hero2 .cta3{display:grid;grid-template-columns:1fr 1fr;gap:10px}.hero2 .cta3 .btn{--h:52px;padding:0 12px;font-size:.95rem}}
.btn-white{background:#fff;color:var(--navy)}
.btn-ghost2{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35)}
#fx{position:absolute;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
/* ---- CBT: free-practice counter, Smart Tutor, finish screen ---- */
.quiz2 .meta{display:flex;align-items:center;justify-content:space-between;gap:10px}
.quiz2 .qcount{flex:none;font-weight:800;font-size:.8rem;color:var(--navy);background:var(--gold);border-radius:999px;padding:3px 10px}
.quiz2 .qcount small{font-weight:700;opacity:.75}
.quiz2 .st-h{justify-content:space-between}
.quiz2 .st-h>span{display:inline-flex;align-items:center;gap:8px}
.quiz2 .listen{display:inline-flex;align-items:center;gap:6px;font:inherit;font-size:.78rem;font-weight:800;letter-spacing:.04em;text-transform:none;color:var(--navy);background:var(--gold);border:0;border-radius:999px;padding:7px 13px;cursor:pointer}
.quiz2 .listen svg{width:16px;height:16px}
.quiz2 .listen.on{background:#fff}
.quiz2 ol.steps li{opacity:0;transform:translateY(6px);transition:opacity .28s ease,transform .28s ease,background-color .2s}
.quiz2 ol.steps li.in{opacity:1;transform:none}
.quiz2 .talk{background:rgba(251,192,5,.16);border-radius:8px;box-shadow:0 0 0 4px rgba(251,192,5,.16)}
.quiz2 .chips2{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0}
.quiz2 .chip2{font:inherit;font-size:.82rem;font-weight:700;color:#fff;background:rgba(255,255,255,.08);border:1px solid rgba(251,192,5,.55);border-radius:999px;padding:8px 13px;cursor:pointer;transition:background-color .15s,transform .12s}
.quiz2 .chip2:hover:not([disabled]){background:rgba(251,192,5,.18)}
.quiz2 .chip2:active:not([disabled]){transform:scale(.96)}
.quiz2 .chip2[disabled]{opacity:.45;cursor:default}
.quiz2 .chat{display:grid;gap:8px;margin-top:10px}
.quiz2 .chat .ask{justify-self:end;max-width:85%;margin:0;background:var(--gold);color:var(--navy);font-weight:700;font-size:.86rem;padding:8px 12px;border-radius:14px 14px 4px 14px}
.quiz2 .chat .reply{max-width:92%;font-size:.9rem;color:rgba(255,255,255,.92);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);padding:10px 12px;border-radius:14px 14px 14px 4px}
.quiz2 .chat .reply small{display:block;margin-top:6px;font-size:.7rem;color:rgba(255,255,255,.5)}
.quiz2 .chat .ask,.quiz2 .chat .reply{opacity:0;transform:translateY(6px);transition:opacity .25s ease,transform .25s ease}
.quiz2 .chat .in{opacity:1;transform:none}
.quiz2.fin .tutor{display:block;border-top:0;padding-top:0;margin-top:4px}
.quiz2 .finbox{text-align:center;padding:6px 4px 2px}
.quiz2 .finbox h3{font-size:1.25rem;margin:10px 0 6px}
.quiz2 .finbox p{color:rgba(255,255,255,.85);font-size:.93rem;margin:0 auto;max-width:34em}
.quiz2 .finbox .btn-row{justify-content:center;margin-top:16px;display:flex;flex-wrap:wrap;gap:10px}
.quiz2 .ringscore{position:relative;width:96px;height:96px;margin:0 auto}
.quiz2 .ringscore svg{width:96px;height:96px;transform:rotate(-90deg)}
.quiz2 .ringscore circle{fill:none;stroke-width:4}
.quiz2 .ringscore .bg{stroke:rgba(255,255,255,.12)}
.quiz2 .ringscore .fg{stroke:var(--gold);stroke-linecap:round;stroke-dasharray:125.7;transition:stroke-dashoffset .8s ease}
.quiz2 .ringscore b{position:absolute;inset:0;display:grid;place-items:center;font-size:1.5rem}
.quiz2 .ringscore b small{font-size:.8rem;opacity:.7}
.quiz2 .dots{display:flex;justify-content:center;flex-wrap:wrap;gap:5px;margin:12px 0 0}
.quiz2 .dots i{width:10px;height:10px;border-radius:50%;background:#ef4444}
.quiz2 .dots i.y{background:#22c55e}
.rm .quiz2 ol.steps li,.rm .quiz2 .chat .ask,.rm .quiz2 .chat .reply{opacity:1;transform:none;transition:none}
/* ---- book pages: explainer + bigger preview gallery ---- */
.explain3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:0 0 26px}
.explain3 .ex{background:#fff;border:1px solid rgba(2,49,115,.12);border-radius:18px;padding:16px 16px 14px;box-shadow:0 10px 30px -18px rgba(2,49,115,.35)}
.explain3 .ex b{display:block;color:var(--navy);font-size:1rem;margin:8px 0 4px}
.explain3 .ex p{margin:0;font-size:.88rem;color:#3a4a66}
.explain3 .ic{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--navy);color:var(--gold)}
.explain3 .ic svg{width:20px;height:20px}
@media (max-width:760px){.explain3{grid-template-columns:1fr;gap:10px}.explain3 .ex{display:grid;grid-template-columns:38px 1fr;column-gap:12px;align-items:start;padding:12px 14px}.explain3 .ex b{margin:0 0 2px}.explain3 .ex .ic{grid-row:span 2}}
.previews.p3{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-flow:row;grid-auto-columns:auto;overflow:visible;max-width:none;gap:16px}
@media (max-width:1100px){.previews.p3{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.previews.p3{display:flex;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;gap:12px;padding-bottom:10px;margin:0 -20px;padding-left:20px;padding-right:20px;-webkit-overflow-scrolling:touch}.previews.p3 figure{flex:0 0 72%;scroll-snap-align:center}}
.previews.p3 figure{margin:0}
.previews.p3 button{display:block;width:100%;padding:0;border:0;background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 14px 34px -18px rgba(2,49,115,.55);cursor:zoom-in;transition:transform .2s ease}
.previews.p3 button:hover{transform:translateY(-3px)}
.previews.p3 img{display:block;width:100%;height:auto;aspect-ratio:var(--par,0.707);background:#eef2f8}
.previews.p3 figcaption{font-size:.8rem;font-weight:700;color:var(--navy);margin-top:8px;display:flex;gap:6px;align-items:center}
.previews.p3 figcaption i{font-style:normal;font-size:.7rem;color:#fff;background:var(--navy);border-radius:6px;padding:2px 6px}
.swipe-hint{display:none;font-size:.8rem;color:#5a6a86;margin:4px 0 0}
@media (max-width:640px){.swipe-hint{display:block}}

#try{scroll-margin-top:64px}

/* ---- v3: schools & groups vouchers ---- */
.schools3 .sch-in{display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center}
.schools3 .sch-pts{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.schools3 .sch-pts li{display:grid;grid-template-columns:44px 1fr;column-gap:14px;background:#fff;border:1px solid rgba(2,49,115,.12);border-radius:18px;padding:14px 16px;box-shadow:0 12px 30px -20px rgba(2,49,115,.4)}
.schools3 .sch-pts .ic{grid-row:span 2;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--navy);color:var(--gold)}
.schools3 .ic svg{width:22px;height:22px}
.schools3 .sch-pts b{color:var(--navy)}
.schools3 .sch-pts li>span:last-child{font-size:.9rem;color:#3a4a66}
.schools3.slim{padding-top:28px;padding-bottom:28px}
.schools3 .sch-strip{display:flex;align-items:center;gap:16px;background:linear-gradient(135deg,#fff,#f3f6fc);border:1px solid rgba(2,49,115,.14);border-left:5px solid var(--gold);border-radius:20px;padding:16px 18px}
.schools3 .sch-strip .ic{flex:none;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--navy);color:var(--gold)}
.schools3 .sch-strip p{margin:0;color:#24324d;font-size:.95rem;flex:1}
.schools3 .sch-strip b{color:var(--navy)}
.schools3 .btn{white-space:normal;text-align:center}
.schools3 .btn svg{width:20px;height:20px;flex:none}
@media (max-width:900px){.schools3 .sch-in{grid-template-columns:1fr;gap:20px}.schools3 .sch-strip{flex-direction:column;align-items:flex-start}.schools3 .sch-strip .btn{width:100%}}

[hidden]{display:none!important}
.quiz2.fin .timer{visibility:hidden}
.quiz2 .ringscore b{display:flex;align-items:baseline;justify-content:center;gap:2px}

@media (max-width:760px){.explain3{gap:8px;margin-bottom:18px}.explain3 .ex{padding:10px 12px;border-radius:14px}.explain3 .ex b{font-size:.92rem}.explain3 .ex p{font-size:.8rem;line-height:1.45}.explain3 .ic{width:32px;height:32px;border-radius:10px}.explain3 .ex{grid-template-columns:32px 1fr}}

.quiz2 .vctl{display:inline-flex;align-items:center;gap:8px;text-transform:none;letter-spacing:0}
.quiz2 .vsel{display:inline-flex;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:2px}
.quiz2 .vsel button{font:inherit;font-size:.72rem;font-weight:700;color:rgba(255,255,255,.75);background:transparent;border:0;border-radius:999px;padding:5px 10px;cursor:pointer}
.quiz2 .vsel button[aria-pressed="true"]{background:#fff;color:var(--navy)}
.quiz2 .vprog{height:3px;border-radius:3px;background:rgba(255,255,255,.1);overflow:hidden;margin:0 0 8px}
.quiz2 .vprog i{display:block;height:100%;background:var(--gold);transform:scaleX(0);transform-origin:0 50%;transition:transform .25s linear}
@media (max-width:420px){.quiz2 .st-h{flex-wrap:wrap;gap:8px}}

/* ===== v4 (W37): page hero motion, 3D book with real spine and back, back-cover viewer, question references ===== */
.fx4{position:absolute;pointer-events:none;opacity:0;transition:opacity .7s ease;contain:strict}
.fx4.on{opacity:1}
.phero>.fx4{inset:0;width:100%;height:100%;z-index:0}
.phero>.wrap{position:relative;z-index:1}
.phero h1,.phero .lead{text-shadow:0 2px 18px rgba(1,12,38,.65)}
/* book hero */
.bhero{position:relative;overflow:hidden;isolation:isolate}
.bk4{position:relative;display:flex;flex-direction:column;align-items:center}
.bk4>.fx4{left:-9%;top:-6%;width:118%;height:108%;z-index:0}
.bk4 .book3d-stage{position:relative;z-index:1;width:100%;outline:none}
.bk4 .book3d-stage:focus-visible{box-shadow:0 0 0 3px rgba(251,192,5,.6);border-radius:18px}
.bk4 .book3d-stage.drag{cursor:grabbing}
.book3d.v4{--w:clamp(190px,22vw,270px);--d:calc(var(--w)*var(--sr));animation:none!important;transform:rotateX(-7deg) rotateY(28deg);will-change:transform}
.book3d.v4>div{backface-visibility:hidden;-webkit-backface-visibility:hidden}
.book3d.v4 .f{border-radius:2px 5px 5px 2px}
.book3d.v4 .bk{background:#fff;border-radius:5px 2px 2px 5px;overflow:hidden;display:block}
.book3d.v4 .bk img{width:100%;height:100%;opacity:1;object-fit:cover;display:block}
.book3d.v4 .bk::after{content:"";position:absolute;inset:0;background:linear-gradient(255deg,rgba(255,255,255,.22),transparent 30%,transparent 72%,rgba(0,0,0,.08))}
.book3d.v4 .sp{background:#023173;overflow:hidden;display:block}
.book3d.v4 .sp img{width:100%;height:100%;object-fit:fill;display:block}
.book3d.v4 .sp::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.28),transparent 18%,transparent 82%,rgba(0,0,0,.28))}
.book3d.v4 .pg{transform:rotateY(90deg) translateZ(calc(var(--w)/2 - 3px))}
.book3d.v4 .bt{left:0;right:3px;top:50%;height:var(--d);margin-top:calc(var(--d)/-2);transform:rotateX(-90deg) translateZ(calc(var(--w)*var(--ar)/2 - 3px));background:repeating-linear-gradient(0deg,#f7f5ef 0 2px,#dcd8cc 2px 3px)}
.bk4-ctl{position:relative;z-index:2;display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:6px}
.seg{display:inline-flex;padding:4px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16)}
.seg button{appearance:none;border:0;background:transparent;color:rgba(255,255,255,.8);font:700 .8rem/1 Montserrat,system-ui,sans-serif;padding:10px 16px;border-radius:999px;cursor:pointer;transition:background-color .2s,color .2s;min-height:40px}
.seg button[aria-pressed="true"]{background:#FBC005;color:#023173}
.seeback{appearance:none;border:1px solid rgba(251,192,5,.6);background:rgba(251,192,5,.1);color:#FBC005;font:700 .8rem/1 Montserrat,system-ui,sans-serif;padding:0 16px;border-radius:999px;cursor:pointer;min-height:48px;display:inline-flex;align-items:center;gap:8px;transition:background-color .2s,transform .2s}
.seeback:hover{background:rgba(251,192,5,.2)}
.seeback:active{transform:scale(.97)}
.seeback svg{width:18px;height:18px}
.bk4-hint{position:relative;z-index:2;margin:10px 0 0;font-size:.74rem;color:rgba(255,255,255,.55);text-align:center}
.lite .book3d.v4,.rm .book3d.v4{transform:none}
.lite .book3d.v4 .sp,.lite .book3d.v4 .bk,.lite .book3d.v4 .pg,.lite .book3d.v4 .tp,.lite .book3d.v4 .bt{display:none}
.lite .bk4[data-flat="spine"] .book3d.v4{width:auto;aspect-ratio:auto;height:min(380px,90vw)}
.lite .bk4[data-flat="spine"] .book3d.v4 .f{position:relative;height:100%}
.lite .bk4[data-flat="spine"] .book3d.v4 .f img{width:auto;height:100%}
/* back cover viewer */
.coverview{position:fixed;inset:0;z-index:320;background:rgba(1,12,38,.95);display:flex;align-items:center;justify-content:center;padding:70px 14px 40px;opacity:0;transition:opacity .22s ease}
.coverview.open{opacity:1}
.coverview[hidden]{display:none}
.cv-in{display:flex;flex-direction:column;align-items:center;gap:14px;max-width:100%}
.cv-img{max-height:72vh;max-width:min(94vw,560px);width:auto;height:auto;border-radius:6px;box-shadow:0 30px 80px rgba(0,0,0,.6);transition:opacity .2s;background:#0b1d47}
.coverview[data-k="wrap"] .cv-img{max-width:min(96vw,1100px)}
.cv-img.ld{opacity:.35}
.coverview .x{position:absolute;top:14px;right:14px;width:50px;height:50px;border-radius:50%;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.08);color:#fff;font-size:1.5rem;cursor:pointer}
.cv-cap{margin:0;color:rgba(255,255,255,.7);font-size:.82rem;text-align:center}
.cv-tabs{position:absolute;top:18px;left:50%;transform:translateX(-50%)}
/* CBT question references */
.meta{align-items:flex-start}
.refs{display:flex;flex-wrap:wrap;gap:6px;align-items:center;min-width:0}
.rb{display:inline-flex;align-items:center;min-height:24px;padding:4px 10px;border-radius:999px;font-size:.68rem;font-weight:800;letter-spacing:.03em;line-height:1.25;white-space:nowrap}
.rb.rx{background:#FBC005;color:#023173}
.rb.ry{background:rgba(251,192,5,.12);color:#FBC005;box-shadow:inset 0 0 0 1px rgba(251,192,5,.6)}
.rb.rn{background:#fff;color:#023173}
.rb.rt{display:inline-block;border-radius:12px;background:rgba(255,255,255,.07);color:#E3ECFF;box-shadow:inset 0 0 0 1px rgba(255,255,255,.22);white-space:normal;font-weight:700;max-width:100%}
.rb.rt i{font-style:normal;color:#FBC005;margin-right:4px;font-weight:800}
.swap .refs .rb{animation:rbIn .35s var(--ease) both}
.swap .refs .rb:nth-child(2){animation-delay:.04s}.swap .refs .rb:nth-child(3){animation-delay:.08s}.swap .refs .rb:nth-child(4){animation-delay:.12s}
@keyframes rbIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.swap .refs .rb{animation:none}.fx4{transition:none}.coverview{transition:none}}
@media (max-width:900px){.bk4>.fx4{left:-6%;width:112%}.book3d.v4{--w:clamp(170px,46vw,240px)}}

/* perf: no blur filter or big soft shadows over the animated book backdrop (each frame would re-raster them) */
.bk4 .book3d-stage::before{filter:none;background:radial-gradient(closest-side,rgba(0,0,0,.5),rgba(0,0,0,.18) 60%,transparent)}
.bk4 .book3d-stage::after{box-shadow:none;border-color:rgba(251,192,5,.7);background:radial-gradient(closest-side,transparent 86%,rgba(251,192,5,.16) 95%,transparent)}
.bhero .glass{box-shadow:none}

/* classes hero: illustrated tutorial room, students facing the board (transform/opacity only); a video can replace it later */
.phero.cls{padding-bottom:60px}
.cls-in{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:end}
.cls-art{position:relative;z-index:1;align-self:end}
.cls-art .classroom{display:block;width:100%;height:auto;max-width:600px;margin-left:auto}
.cls-art video{display:block;width:100%;max-width:560px;margin-left:auto;border-radius:18px;aspect-ratio:16/10;object-fit:cover}
.classroom .hd,.classroom .arm,.classroom .book-read{transform-box:fill-box}
.classroom .hand-up{transform-origin:10% 95%;animation:handUp 4.2s var(--ease) infinite}
.classroom .writing{transform-origin:0% 0%;animation:write .9s ease-in-out infinite}
.classroom .s2-hd{transform-origin:50% 100%;animation:nod 3.2s ease-in-out infinite}
.classroom .s3-hd{transform-origin:50% 100%;animation:tilt 5s ease-in-out infinite}
.classroom .s1-hd{transform-origin:50% 100%;animation:tilt 4.2s ease-in-out infinite reverse}
.classroom .book-read{transform-origin:50% 100%;animation:nod 5s ease-in-out infinite}
.classroom .point{transform-origin:95% 95%;animation:point 3.6s ease-in-out infinite}
.classroom .tutor-hd{transform-origin:50% 100%;animation:tilt 3.6s ease-in-out infinite}
.classroom .wipe{transform-box:fill-box;transform-origin:100% 50%;animation:wipe 9s var(--ease) infinite}
.classroom .w2{animation-delay:.9s}.classroom .w3{animation-delay:1.8s}.classroom .w4{animation-delay:2.7s}
@keyframes wipe{0%,4%{transform:scaleX(1)}16%,86%{transform:scaleX(0)}96%,100%{transform:scaleX(1)}}
@keyframes handUp{0%,20%{transform:rotate(0)}32%{transform:rotate(-12deg)}44%{transform:rotate(6deg)}56%{transform:rotate(-12deg)}68%,100%{transform:rotate(0)}}
@keyframes write{0%,100%{transform:translateX(0) rotate(0)}50%{transform:translateX(5px) rotate(-4deg)}}
@keyframes nod{0%,100%{transform:rotate(0)}50%{transform:rotate(3deg)}}
@keyframes tilt{0%,100%{transform:rotate(-2deg)}50%{transform:rotate(3deg)}}
@keyframes point{0%,100%{transform:rotate(0)}40%{transform:rotate(6deg)}60%{transform:rotate(-3deg)}}
.cls-paused .classroom *{animation-play-state:paused!important}
@media (max-width:900px){.cls-in{grid-template-columns:1fr}.cls-art .classroom,.cls-art video{margin:10px auto 0;max-width:460px}}
@media (prefers-reduced-motion:reduce){.classroom *{animation:none!important}}
.rm .classroom *,.lite .classroom *{animation:none!important}
/* wordmark lockup: ACADEMIC SOLUTIONS spans exactly the PRESTIGE wordmark width (SVG textLength) */
.brand .wm svg.wsub{display:block;width:118px;height:9px;margin-top:4px;overflow:visible}

/* v4 news tags: readable on any image */
.ncard .art .lbl,.light .ncard .art .lbl{background:#023173;color:#fff;border:1px solid rgba(251,192,5,.85);box-shadow:0 4px 14px rgba(1,12,38,.35);font-size:.76rem;letter-spacing:.07em;padding:6px 12px 6px 10px}
.ncard .art .lbl::before{content:"";width:7px;height:7px;border-radius:50%;background:#FBC005;flex:none}
.ncard .art img{object-fit:cover}
.ncard .art{height:auto;aspect-ratio:16/9}
.ncard .art .lbl{left:12px;top:12px;font-size:.7rem;padding:5px 10px 5px 9px}

/* v4 classes: scene at ~50% so the formula layer reads through (Guest's ask) */
.cls-art .classroom{opacity:.55}

/* v4 classes hero video (Guest approved): ~50% under the formula layer */
.phero.cls.has-vid{min-height:520px}
.cls-vid{position:absolute;inset:0;overflow:hidden;z-index:0;pointer-events:none}
.cls-vid video{width:100%;height:100%;object-fit:cover;opacity:.5;display:block}
.cls-vid::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(1,18,52,.55) 0%,rgba(1,18,52,.2) 55%,rgba(1,18,52,0) 100%)}
.phero.cls.has-vid .cls-art{display:none}
.phero.cls.has-vid canvas.fx4{z-index:1}
.phero.cls.has-vid .cls-in{z-index:2}
@media (max-width:900px){.phero.cls.has-vid{min-height:0}.cls-vid::after{background:linear-gradient(180deg,rgba(1,18,52,.35),rgba(1,18,52,.6))}}

/* W44 call line */
.call-l{display:inline-flex;align-items:center;gap:8px}.call-l svg{width:16px;height:16px;flex:none;color:var(--gold,#FBC005)}
.call-note{margin:14px 0 0;font-size:.92rem}.call-note a{display:inline-flex;align-items:center;gap:8px;color:#fff;font-weight:600;text-decoration:none;border-bottom:1px dashed rgba(251,192,5,.6);padding-bottom:2px}.call-note a:hover{color:#FBC005}.call-note svg{width:17px;height:17px;flex:none;color:#FBC005}
.call-in{color:#FBC005;font-weight:700;text-decoration:none;white-space:nowrap}

/* W48: no online sign-up; join / voucher wording */
.cbt-note{margin:14px 0 0;color:rgba(255,255,255,.78);font-size:.95rem}.sec:not(.dark) .cbt-note{color:inherit;opacity:.8}.howto a{color:#FBC005;font-weight:700;text-decoration:none;border-bottom:1px solid rgba(251,192,5,.5)}
.btn.btn-wrap{white-space:normal;max-width:100%;line-height:1.3;text-align:left;height:auto;min-height:48px;padding-top:12px;padding-bottom:12px}.btn.btn-wrap svg{flex:none}

/* ===================== W53 (Oct 16 2026): light/dark theme, DARK is the default =====================
   html[data-theme] is set before first paint by the inline head script (saved choice "pa_theme", else dark).
   Light theme = the site exactly as before (no rules below apply to it except the toggle). */
html[data-theme=light]{color-scheme:light}
html[data-theme=dark]{color-scheme:dark;--white:#030f2e;--mist:#06163c;--ink:#e6edfb;--ink2:#b3c1de;--lineL:rgba(150,185,255,.18)}
html[data-theme=dark] body{background:#030f2e}
/* theme toggle (same look as the Classes site: round glass button, sun in light, moon in dark) */
.tgl{width:40px;height:40px;border-radius:50%;border:1.5px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;display:grid;place-items:center;cursor:pointer;flex-shrink:0;padding:0;transition:transform .5s var(--ease),border-color .3s,background .3s}
.tgl:hover{border-color:rgba(251,192,5,.7);background:rgba(251,192,5,.12)}
.tgl:active{transform:scale(.9) rotate(-30deg)}
.tgl svg{width:20px;height:20px}
.tgl .mo{display:none}
html[data-theme=dark] .tgl .su{display:none}
html[data-theme=dark] .tgl .mo{display:block}
.no-js .tgl{display:none}
@media(max-width:560px){.tgl{width:38px;height:38px}.tgl svg{width:19px;height:19px}}
@media(prefers-reduced-motion:reduce){.tgl{transition:none}.tgl:active{transform:none}}
/* sections: the light sections become navy-deep, alternating with the space-navy dark sections */
html[data-theme=dark] .light{background:#030f2e;color:var(--ink)}
html[data-theme=dark] .light.sec::after{content:"";position:absolute;inset:0;background:radial-gradient(55% 45% at 85% 0%,rgba(30,80,190,.22),transparent 70%),radial-gradient(45% 40% at 5% 100%,rgba(251,192,5,.06),transparent 70%);pointer-events:none;z-index:0}
html[data-theme=dark] .light.mist{background:linear-gradient(180deg,#06163c,#041234)}
html[data-theme=dark] .light.grid::before{background-image:linear-gradient(rgba(150,185,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(150,185,255,.07) 1px,transparent 1px)}
html[data-theme=dark] .light .eyebrow{color:var(--gold)}
html[data-theme=dark] .light .lead{color:rgba(230,237,251,.8)}
html[data-theme=dark] .light .gold-u{background:linear-gradient(90deg,var(--gold),#FFE07A);-webkit-background-clip:text;background-clip:text;color:transparent}
html[data-theme=dark] .light .gold-u .sw>span{background:linear-gradient(90deg,var(--gold),#FFE07A);-webkit-background-clip:text;background-clip:text;color:transparent}
/* glass cards */
html[data-theme=dark] .light .glass{background:linear-gradient(135deg,rgba(20,44,98,.62),rgba(8,22,58,.5));border:1px solid rgba(150,185,255,.2);box-shadow:0 1px 0 rgba(255,255,255,.07) inset,0 26px 60px -30px rgba(0,0,0,.85)}
html[data-theme=dark].lite .light .glass{background:#0b1d48}
@media(max-width:900px){html[data-theme=dark] .light .glass,html[data-theme=dark] .mist .glass{background:linear-gradient(135deg,#0d2152,#081a44)}}
html[data-theme=dark] .light .tag{background:rgba(150,185,255,.1);color:#d6e3ff;border-color:rgba(150,185,255,.28)}
html[data-theme=dark] .light .tag.soon{background:rgba(251,192,5,.14);color:#FFD95A;border-color:rgba(251,192,5,.45)}
html[data-theme=dark] .light .door .n,html[data-theme=dark] .light .step::before{color:var(--gold)}
html[data-theme=dark] .light .slot.light-slot{background:rgba(150,185,255,.06);border-color:rgba(251,192,5,.5)}
/* navy-on-white text becomes light / gold */
html[data-theme=dark] .scard .num,html[data-theme=dark] .counter b{color:var(--gold)}
html[data-theme=dark] .arrow{color:var(--gold)}
html[data-theme=dark] .pagepeek .badge{color:#e6edfb}
html[data-theme=dark] .pagepeek .pg{box-shadow:0 40px 80px -30px rgba(0,0,0,.8),0 0 0 1px rgba(150,185,255,.14)}
html[data-theme=dark] .bcard .meta small{color:#FFD95A;opacity:.9}
html[data-theme=dark] .bcard .cvw{box-shadow:0 24px 40px -20px rgba(0,0,0,.85);background:#0b1d48}
html[data-theme=dark] .bcard:hover .cvw{box-shadow:0 40px 60px -24px rgba(0,0,0,.9),0 0 0 1px rgba(251,192,5,.35)}
html[data-theme=dark] .toc li b,html[data-theme=dark] .toc li.part{color:var(--gold)}
html[data-theme=dark] .ccard small{color:#c3cfe8}
/* buttons and controls */
html[data-theme=dark] .btn-line{color:#e6edfb;border-color:rgba(150,185,255,.42)}
html[data-theme=dark] .btn-line:hover{border-color:var(--gold);color:#fff}
html[data-theme=dark] .fbtn{background:rgba(150,185,255,.07);color:#e6edfb;border-color:rgba(150,185,255,.3)}
html[data-theme=dark] .fbtn[aria-pressed="true"]{background:var(--gold);color:var(--navy);border-color:var(--gold)}
html[data-theme=dark] .search,html[data-theme=dark] .form input,html[data-theme=dark] .form textarea,html[data-theme=dark] .form select{background:#0a1c46;color:#eef3ff;border-color:rgba(150,185,255,.34)}
html[data-theme=dark] .search::placeholder,html[data-theme=dark] .form input::placeholder,html[data-theme=dark] .form textarea::placeholder{color:#93a5c8;opacity:1}
html[data-theme=dark] .search:focus,html[data-theme=dark] .form input:focus,html[data-theme=dark] .form textarea:focus,html[data-theme=dark] .form select:focus{border-color:var(--gold);box-shadow:0 0 0 4px rgba(251,192,5,.25)}
html[data-theme=dark] .form select option{background:#0a1c46;color:#eef3ff}
html[data-theme=dark] ::selection{background:rgba(251,192,5,.85);color:#023173}
html[data-theme=dark] .dots button{background:rgba(150,185,255,.3)}
html[data-theme=dark] .arrows button{background:rgba(150,185,255,.08);color:#e6edfb;border-color:rgba(150,185,255,.32)}
html[data-theme=dark] .arrows button:hover{border-color:var(--gold);color:var(--gold)}
/* book pages: previews keep their white paper; frames get dark-theme shadows */
html[data-theme=dark] .previews button,html[data-theme=dark] .previews.p3 button{box-shadow:0 18px 40px -18px rgba(0,0,0,.85),0 0 0 1px rgba(150,185,255,.16)}
html[data-theme=dark] .previews.p3 figcaption{color:#e6edfb}
html[data-theme=dark] .previews.p3 figcaption i{background:var(--gold);color:var(--navy)}
/* Smart Tutor explainer and schools blocks */
html[data-theme=dark] .explain3 .ex,html[data-theme=dark] .schools3 .sch-pts li{background:linear-gradient(135deg,rgba(20,44,98,.62),rgba(8,22,58,.5));border-color:rgba(150,185,255,.2);box-shadow:0 14px 34px -20px rgba(0,0,0,.85)}
html[data-theme=dark] .explain3 .ex b,html[data-theme=dark] .schools3 .sch-pts b,html[data-theme=dark] .schools3 .sch-strip b{color:#fff}
html[data-theme=dark] .schools3 .sch-strip{background:linear-gradient(135deg,#0d2152,#081a44);border-color:rgba(150,185,255,.2);border-left-color:var(--gold)}
html[data-theme=dark] .explain3 .ex p,html[data-theme=dark] .schools3 .sch-pts li>span:last-child,html[data-theme=dark] .schools3 .sch-strip p{color:#c3cfe8}
html[data-theme=dark] .swipe-hint{color:#a9b7d6}
html[data-theme=dark] .quiz2 .chat .reply small{color:rgba(255,255,255,.62)}
/* demo CBT card sits on a navy panel in both themes; in dark give it a gold-edged lift so it separates from the page */
html[data-theme=dark] .light .quiz2{background:linear-gradient(150deg,#03205a,#010C26);box-shadow:0 0 0 1px rgba(150,185,255,.18),0 30px 70px -30px rgba(0,0,0,.9)}
/* smooth cross-fade when the visitor switches (not on first paint, not for reduced motion) */
html.tswitch body,html.tswitch .sec,html.tswitch .glass,html.tswitch .card{transition:background-color .35s ease,color .35s ease,border-color .35s ease}
@media(prefers-reduced-motion:reduce){html.tswitch body,html.tswitch .sec,html.tswitch .glass,html.tswitch .card{transition:none}}

/* W55 (Oct 16 2026): each hero-ring book shows its own real back cover and spine (back4-sm / spine4), set lazily by v3.js after load */
.b3 .back.real{background-color:#011438;background-position:50% 50%;background-size:100% 100%;background-repeat:no-repeat;box-shadow:inset -3px 0 6px rgba(0,0,0,.3)}
.b3 .back.real::after{display:none}
.b3 .spine.real{background-color:#011438;background-position:50% 50%;background-size:100% 100%;background-repeat:no-repeat}
.b3 .spine.real i,.b3 .spine.real::before,.b3 .spine.real::after{display:none}

/* W58: inline UI icons (Lucide paths, 1.8 stroke, round caps), replacing text glyphs */
svg.ico.ico{display:inline-block;width:1em;height:1em;flex:none;vertical-align:-.14em;stroke:currentColor;fill:none;overflow:visible;max-width:none;margin:0;padding:0;background:none;border-radius:0;box-shadow:none}
a svg.ico-arr.ico-arr,a svg.ico-out.ico-out{transition:transform .25s cubic-bezier(.2,.7,.2,1)}
a:hover svg.ico-arr.ico-arr,a:focus-visible svg.ico-arr.ico-arr{transform:translateX(3px)}
a:hover svg.ico-out.ico-out,a:focus-visible svg.ico-out.ico-out{transform:translate(2px,-2px)}
@keyframes w58nudge{0%,55%,100%{transform:translateX(0)}25%{transform:translateX(4px)}}
svg.ico-nudge.ico-nudge{animation:w58nudge 2.2s ease-in-out infinite}
@media (prefers-reduced-motion:reduce){svg.ico.ico{animation:none!important;transition:none!important}}
.sublink svg.ico.ico{width:16px;height:16px;margin-left:-2px}
.door .flow{display:inline}
.door .flow svg.ico.ico{color:var(--gold);margin:0 .15em}
.light .door .flow svg.ico.ico{color:var(--navy)}
html[data-theme=dark] .light .door .flow svg.ico.ico{color:var(--gold)}
.swipe-hint svg.ico.ico{margin-left:.35em;color:var(--navy)}
html[data-theme=dark] .swipe-hint svg.ico.ico{color:var(--gold)}