.mwrap{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:48px;align-items:center;min-height:calc(100vh - 140px)}
.about{max-width:560px}
.feat{list-style:none;display:grid;gap:10px;margin:22px 0}
.feat li{padding:12px 14px 12px 40px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid var(--line);position:relative;font-size:14.5px;color:var(--mut)}
.feat li b{color:#fff}
.feat li:before{content:"";position:absolute;left:14px;top:17px;width:12px;height:12px;border-radius:4px;background:var(--grad)}
.phone{position:relative;width:400px;height:800px;max-height:calc(100vh - 120px);min-height:640px;border-radius:44px;padding:14px;background:linear-gradient(160deg,#1e2350,#0b1026);border:1px solid rgba(255,255,255,.18);box-shadow:0 40px 80px -30px rgba(0,0,0,.8),inset 0 0 0 6px #070a1a,0 0 60px -20px rgba(124,58,237,.6);display:flex;flex-direction:column;overflow:hidden}
.phone:before{content:"";position:absolute;left:50%;top:14px;transform:translateX(-50%);width:110px;height:26px;border-radius:0 0 16px 16px;background:#070a1a;z-index:5}
.appbar{display:flex;justify-content:space-between;align-items:center;padding:30px 14px 10px;gap:8px}
.ab-l{display:flex;align-items:center;gap:8px;font-size:16px}.ab-l img{border-radius:8px}
.ab-r{display:flex;gap:6px}
.pill{font-size:12.5px;padding:5px 10px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid var(--line);white-space:nowrap}
.screens{flex:1;overflow:auto;padding:4px 14px 16px;overscroll-behavior:contain;scrollbar-width:thin}
.scr h2{font-size:22px;letter-spacing:-.4px;margin:6px 0 4px}
.scr .sub{color:var(--mut);font-size:14px;margin-bottom:14px}
.tabs{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom));background:rgba(11,16,38,.9)}
.tabs button{position:relative;background:none;border:0;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11.5px;font-weight:700;color:var(--mut);padding:6px 0;cursor:pointer;min-height:48px;border-radius:12px}
.tabs svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.tabs button[aria-current="page"]{color:#fff}
.tabs button[aria-current="page"] svg{stroke:#67e8f9}
.badge{position:absolute;top:2px;left:calc(50% + 6px);min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:#ec4899;color:#fff;font-style:normal;font-size:11px;display:grid;place-items:center}
/* cards */
.tile{padding:16px;border-radius:20px;background:var(--glass),rgba(18,24,58,.7);border:1px solid var(--line);margin-bottom:12px}
.goal{display:flex;gap:16px;align-items:center}
.ring{--p:0;width:86px;height:86px;flex:none;border-radius:50%;display:grid;place-items:center;background:conic-gradient(#22d3ee,#a78bfa calc(var(--p)*.5%),#ec4899 calc(var(--p)*1%),rgba(255,255,255,.08) 0);transition:--p .6s}
.ring b{width:68px;height:68px;border-radius:50%;background:#12183a;display:grid;place-items:center;font-size:18px}
.goal p{font-size:13.5px;color:var(--mut)}.goal h3{font-size:17px}
.cta{width:100%;margin-top:4px}
.lrow{display:flex;gap:12px;align-items:center;width:100%;text-align:left;padding:14px;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.04);cursor:pointer;margin-bottom:10px;min-height:64px}
.lrow:hover{border-color:var(--cy)}
.lrow .ic{width:44px;height:44px;border-radius:14px;flex:none;display:grid;place-items:center;font-size:20px;background:linear-gradient(135deg,var(--a),var(--b))}
.lrow b{display:block;font-size:15px}.lrow small{color:var(--mut);font-size:12.5px}
.lrow .st{margin-left:auto;font-size:12px;font-weight:800;color:#6ee7b7;flex:none}
.lrow .st.n{color:var(--mut)}
/* lesson player */
.lp-top{display:flex;align-items:center;gap:10px;margin:4px 0 14px}
.lp-top button{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.05);cursor:pointer;flex:none}
.bars{flex:1;display:flex;gap:4px}.bars i{flex:1;height:5px;border-radius:4px;background:rgba(255,255,255,.15)}.bars i.on{background:var(--grad)}
.slide{min-height:420px;display:flex;flex-direction:column;gap:12px;animation:sl .3s ease-out}
@keyframes sl{from{opacity:0;transform:translateX(16px)}}
.slide .art{height:150px;border-radius:20px;display:grid;place-items:center;font-size:56px;background:radial-gradient(circle at 30% 20%,rgba(34,211,238,.35),transparent 60%),radial-gradient(circle at 80% 90%,rgba(236,72,153,.35),transparent 55%),#1a1f4d;border:1px solid var(--line)}
.slide h3{font-size:21px;line-height:1.2;letter-spacing:-.3px}
.slide p{color:#d6def0;font-size:15px}
.ex{padding:12px 14px;border-radius:14px;background:rgba(34,211,238,.08);border-left:3px solid var(--cy);font-size:14px}
.ex.bad{background:rgba(251,113,133,.08);border-left-color:#fb7185}
.opt{display:block;width:100%;text-align:left;padding:13px 14px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.05);margin-bottom:8px;cursor:pointer;font-size:14.5px;font-weight:600;min-height:48px}
.opt.right{border-color:#34d399;background:rgba(52,211,153,.16)}.opt.wrong{border-color:#fb7185;background:rgba(251,113,133,.14)}
.fb{font-size:14px;color:#dbe4f7;min-height:1.2em}
.nav2{display:flex;gap:8px;margin-top:auto}.nav2 .btn{flex:1}
/* review */
.flash{perspective:1000px;height:300px;margin:6px 0 14px}
.flash .in{position:relative;width:100%;height:100%;transition:transform .5s;transform-style:preserve-3d}
.flash.flip .in{transform:rotateY(180deg)}
.face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:22px;padding:22px;display:flex;flex-direction:column;justify-content:center;gap:10px;border:1px solid rgba(255,255,255,.2)}
.face.f{background:linear-gradient(160deg,rgba(34,211,238,.22),rgba(124,58,237,.28)),#151a45}
.face.b{background:linear-gradient(160deg,rgba(124,58,237,.28),rgba(236,72,153,.24)),#151a45;transform:rotateY(180deg)}
.face small{font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#a5f3fc}
.face p{font-size:18px;font-weight:700;line-height:1.35}
.face .bx{position:absolute;top:16px;right:16px;font-size:11.5px;font-weight:800;padding:4px 9px;border-radius:999px;background:rgba(0,0,0,.3)}
.grade{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.grade .btn{padding:12px 8px}
.btn.no{background:rgba(251,113,133,.18);border:1px solid rgba(251,113,133,.5);box-shadow:none}
.btn.yes{background:rgba(52,211,153,.2);border:1px solid rgba(52,211,153,.55);box-shadow:none}
.boxes{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin:10px 0}
.boxes div{text-align:center;padding:10px 2px 8px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid var(--line);position:relative;overflow:hidden}
.boxes div i{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(0deg,rgba(124,58,237,.55),rgba(34,211,238,.25));transition:height .5s}
.boxes b{position:relative;display:block;font-size:20px}.boxes small{position:relative;font-size:10.5px;color:var(--mut);display:block;line-height:1.2}
.empty{text-align:center;padding:30px 10px;color:var(--mut)}
.empty b{display:block;font-size:40px;margin-bottom:6px}
.sim{display:flex;gap:8px;align-items:center;justify-content:space-between;flex-wrap:wrap;font-size:12.5px;color:var(--mut)}
.sim .btn{padding:8px 12px;font-size:13px;min-height:38px}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.stats div{padding:12px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid var(--line)}
.stats b{font-size:22px;display:block}.stats small{color:var(--mut);font-size:12px}
.week{display:flex;gap:6px;justify-content:space-between;margin-top:8px}
.week span{flex:1;text-align:center;font-size:11px;color:var(--mut)}
.week span i{display:block;height:28px;border-radius:8px;margin-bottom:4px;background:rgba(255,255,255,.07)}
.week span i.on{background:var(--grad)}
.confetti{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:6}
.confetti i{position:absolute;top:-10px;width:8px;height:12px;border-radius:2px;animation:fall 1.4s ease-in forwards}
@keyframes fall{to{transform:translateY(820px) rotate(540deg);opacity:.2}}
/* Mobile: the app becomes the page */
@media(max-width:900px){
  .mwrap{grid-template-columns:1fr;gap:20px;min-height:0;padding-top:16px}
  .about{order:2}
  .phone{width:100%;height:auto;min-height:0;max-height:none;border-radius:28px;padding:6px;box-shadow:0 30px 60px -30px rgba(0,0,0,.8)}
  .phone:before{display:none}
  .appbar{padding:12px 12px 8px}
  .screens{overflow:visible;padding:4px 10px 12px}
  .tabs{position:sticky;bottom:0;z-index:20;border-radius:0 0 22px 22px}
  .slide{min-height:0}
}
@media(max-width:400px){.ab-l b{font-size:14px}.pill{padding:4px 8px}}
/* v2 premium */
.fan{position:relative;height:200px;margin:22px 0 8px;max-width:440px}
.fan img{position:absolute;width:52%;height:auto;border-radius:20px;box-shadow:0 24px 50px -20px #000,0 0 0 1px #ffffff22;transition:transform .5s cubic-bezier(.2,.9,.3,1.2)}
.fan img:nth-child(1){left:0;top:30px;transform:rotate(-8deg);z-index:1}.fan img:nth-child(2){left:24%;top:0;z-index:3}.fan img:nth-child(3){left:48%;top:30px;transform:rotate(8deg);z-index:2}
.fan:hover img:nth-child(1){transform:rotate(-12deg) translate(-10px,4px)}.fan:hover img:nth-child(3){transform:rotate(12deg) translate(10px,4px)}.fan:hover img:nth-child(2){transform:translateY(-8px)}
.tile{transition:transform .25s,border-color .25s}.tile:hover{border-color:#ffffff33}
.tile.nextl{padding:0;overflow:hidden;position:relative}
.tile.nextl .cov{display:block;width:100%;height:150px;object-fit:cover;object-position:50% 30%}
.tile.nextl:after{content:"";position:absolute;left:0;right:0;top:90px;height:60px;background:linear-gradient(0deg,rgba(18,24,58,1),transparent);pointer-events:none}
.nl-in{padding:12px 16px 16px;position:relative;z-index:1}
.lrow{transition:transform .2s,border-color .2s,background .2s}.lrow:hover{transform:translateY(-2px);background:rgba(255,255,255,.07)}.lrow:active{transform:scale(.98)}
.lrow .ic.th{width:64px;height:48px;padding:0;overflow:hidden;border-radius:12px;box-shadow:0 0 0 1px #ffffff22}
.lrow .ic.th img{width:100%;height:100%;object-fit:cover;object-position:50% 25%}
.slide .art.cover{height:190px;padding:0;overflow:hidden;background:none}
.slide .art.cover img{width:100%;height:100%;object-fit:cover;object-position:50% 25%;animation:kbz 8s ease-out both}
@keyframes kbz{from{transform:scale(1.12)}to{transform:scale(1)}}
.btn:active,.opt:active,.tabs button:active{transform:scale(.96)}
.tabs button{transition:color .2s,transform .15s}
@media(prefers-reduced-motion:reduce){.slide .art.cover img{animation:none}}
@media(max-width:620px){.fan{height:150px}}