.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:120px 0 80px;overflow:hidden}.aurora{position:absolute;top:0;right:0;bottom:0;left:0;z-index:-2;overflow:hidden}.aurora i{position:absolute;border-radius:50%;filter:blur(70px);opacity:.7;will-change:transform}.aurora i:nth-child(1){width:52vmax;height:52vmax;left:-14vmax;top:-18vmax;background:radial-gradient(circle,color-mix(in srgb,var(--g-300) 70%,transparent),transparent 65%);animation:blob1 22s ease-in-out infinite alternate}.aurora i:nth-child(2){width:44vmax;height:44vmax;right:-12vmax;top:4vmax;background:radial-gradient(circle,color-mix(in srgb,#ffd66e 55%,transparent),transparent 65%);animation:blob2 26s ease-in-out infinite alternate}.aurora i:nth-child(3){width:40vmax;height:40vmax;left:30%;bottom:-24vmax;background:radial-gradient(circle,color-mix(in srgb,var(--info) 28%,transparent),transparent 65%);animation:blob3 30s ease-in-out infinite alternate}[data-theme=dark] .aurora i{opacity:.35}@keyframes blob1{to{transform:translate3d(8vmax,6vmax,0) scale(1.1)}}@keyframes blob2{to{transform:translate3d(-6vmax,8vmax,0) scale(.92)}}@keyframes blob3{to{transform:translate3d(-10vmax,-4vmax,0) scale(1.15)}}.hero:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none;background-image:radial-gradient(color-mix(in srgb,var(--g-800) 14%,transparent) 1px,transparent 1px);background-size:26px 26px;mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 20%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 20%,transparent 75%)}.particles{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;z-index:-1;pointer-events:none}.hero-in{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}.pill{display:inline-flex;align-items:center;gap:10px;padding:7px 14px 7px 10px;border-radius:999px;font-size:14px;font-weight:600;color:var(--text-2);background:color-mix(in srgb,var(--surface) 75%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--sh-1);transition:box-shadow .25s,color .25s}.pill:hover{color:var(--text);box-shadow:var(--glow-g)}.pill{max-width:100%;white-space:nowrap}.pill-text{overflow:hidden;text-overflow:ellipsis}.pill-text b{display:inline-block;margin-right:6px;padding:1px 8px;border-radius:99px;font-size:12px;color:#fff;background:var(--g-500)}.pill-dot{width:8px;height:8px;border-radius:50%;background:var(--g-500);box-shadow:0 0 0 0 var(--g-400);animation:ping 2s infinite}@keyframes ping{70%{box-shadow:0 0 0 9px transparent}to{box-shadow:0 0 0 0 transparent}}.hero h1{margin:22px 0 20px;font-size:clamp(40px,5.6vw,72px);font-weight:900;letter-spacing:-.035em;line-height:1.05}.rotator{display:block;position:relative;height:1.15em;overflow:hidden;white-space:nowrap}.rotator>span{display:inline-block;padding-bottom:.08em;background:linear-gradient(100deg,var(--g-500) 0%,var(--g-700) 40%,color-mix(in srgb,var(--g-500) 60%,var(--info)) 70%,var(--g-500) 100%);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 6s linear infinite}.rotator>span.out{animation:shine 6s linear infinite,wordOut .45s var(--ease) forwards}.rotator>span.inn{animation:shine 6s linear infinite,wordIn .6s var(--ease) both}@keyframes shine{to{background-position:-220% 0}}@keyframes wordOut{to{transform:translateY(-70%);opacity:0;filter:blur(6px)}}@keyframes wordIn{0%{transform:translateY(70%);opacity:0;filter:blur(6px)}}.lead{font-size:clamp(17px,1.5vw,19px);color:var(--text-2);max-width:580px}.lead strong{color:var(--text);font-weight:700}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}.hero-actions.center{justify-content:center}.hero-trust{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:28px;font-size:14px;font-weight:600;color:var(--text-2)}.hero-trust li{display:inline-flex;align-items:center;gap:7px}.hero-trust .ic{color:var(--g-600)}.scroll-cue{position:absolute;left:50%;bottom:26px;width:26px;height:42px;margin-left:-13px;border-radius:20px;box-shadow:inset 0 0 0 1.5px color-mix(in srgb,var(--text) 30%,transparent)}.scroll-cue span{position:absolute;left:50%;top:9px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--text-2);animation:cue 1.8s var(--ease) infinite}@keyframes cue{0%{transform:translateY(0);opacity:0}30%{opacity:1}to{transform:translateY(14px);opacity:0}}.hero-stage{position:relative;perspective:1400px;height:560px}.stage-in{position:absolute;top:0;right:0;bottom:0;left:0;transform-style:preserve-3d;transform:rotateX(var(--rx, 6deg)) rotateY(var(--ry, -10deg));transition:transform .8s var(--ease)}.hero-stage.tracking .stage-in{transition:transform .5s var(--ease)}.enter{animation:enter 1s var(--ease) both;animation-delay:var(--d, 0s)}@keyframes enter{0%{opacity:0;transform:translate3d(0,28px,0);filter:blur(8px)}}.hero-stage{animation:stageIn 1.4s var(--ease) .3s both}@keyframes stageIn{0%{opacity:0;transform:translateY(50px) scale(.92) rotateX(14deg)}}.device{position:absolute;left:6%;right:8%;top:70px;border-radius:24px;overflow:hidden;background:var(--surface);box-shadow:var(--sh-3);transform:translateZ(0)}.dv-bar{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--surface-2);font-size:13px;font-weight:700}.dv-lights{display:flex;gap:6px}.dv-lights i{width:10px;height:10px;border-radius:50%;background:#ff6159}.dv-lights i:nth-child(2){background:#ffbd2e}.dv-lights i:nth-child(3){background:#28c941}.dv-title{color:var(--text-2)}.dv-timer{margin-left:auto;display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:var(--warn-bg);color:#b26a00;font-variant-numeric:tabular-nums}[data-theme=dark] .dv-timer{color:var(--warn)}.dv-body{padding:20px 22px 22px}.dv-q-head{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:600}.chip{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700}.chip-g{background:var(--g-100);color:var(--g-700)}[data-theme=dark] .chip-g{color:var(--g-300)}.dv-q{margin:14px 0 16px;font-size:17px;font-weight:600;line-height:1.45;min-height:50px;transition:opacity .35s}.opts{display:grid;grid-template-columns:1fr 1fr;gap:10px}.opt{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:14px;font-size:14px;font-weight:600;background:var(--surface-2);box-shadow:var(--sh-box);transition:background-color .35s var(--ease),box-shadow .35s var(--ease),transform .35s var(--spring),opacity .35s}.opt b{width:26px;height:26px;border-radius:9px;display:grid;place-items:center;font-size:12px;background:var(--surface);color:var(--text-2);transition:background-color .3s,color .3s}.opt.pick{background:var(--g-50);box-shadow:var(--glow-g);transform:scale(1.03)}.opt.ok{background:var(--ok-bg);box-shadow:var(--glow-ok)}.opt.ok b{background:var(--ok);color:#fff}.opt.dim{opacity:.5}.nav-grid{display:grid;grid-template-columns:repeat(20,1fr);gap:4px;margin-top:18px}.nav-grid i{aspect-ratio:1;border-radius:4px;background:color-mix(in srgb,var(--text) 8%,transparent);transition:background-color .4s,transform .4s var(--spring)}.nav-grid i.done{background:var(--g-400)}.nav-grid i.cur{background:var(--warn);transform:scale(1.25)}.float{position:absolute;display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:18px;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--sh-2);animation:bob 6s ease-in-out infinite;animation-delay:var(--fd, 0s)}@keyframes bob{50%{translate:0 -12px}}.float b{display:block;font-size:15px}.float small{display:block;font-size:12px;color:var(--text-3)}.fc-ic{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--g-100);color:var(--g-700);flex:none}.fc-ic .ic{width:20px;height:20px}.fc-ic-warn{background:var(--warn-bg);color:#e08a00}.fc-ic-v{background:var(--violet-bg);color:var(--violet)}.fc-score{right:-2%;top:0;flex-direction:column;gap:4px;padding:16px 20px;transform:translateZ(90px)}.ring{width:108px;height:108px;transform:rotate(-90deg)}.ring-bg{fill:none;stroke:color-mix(in srgb,var(--text) 8%,transparent);stroke-width:10}.ring-fg{fill:none;stroke:var(--g-500);stroke-width:10;stroke-linecap:round;stroke-dasharray:314.16;stroke-dashoffset:314.16;transition:stroke-dashoffset 2.2s var(--ease)}.ring-num{position:absolute;top:16px;left:0;right:0;height:108px;display:grid;place-content:center;text-align:center}.ring-num b{font-size:28px;font-weight:900;font-variant-numeric:tabular-nums;line-height:1}.ring-num small{font-size:11px}.fc-label{font-size:12px;font-weight:700;color:var(--text-2)}.fc-streak{left:-4%;top:30px;transform:translateZ(60px)}.fc-flash{left:-2%;bottom:40px;padding:0;background:none;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none;transform:translateZ(110px)}.fc-ai{right:0;bottom:70px;max-width:270px;align-items:flex-start;transform:translateZ(80px)}.fc-ai p{font-size:13px;font-weight:600;min-height:3.2em}.fc-ai p:after{content:"▍";color:var(--violet);animation:blink 1s steps(1) infinite}@keyframes blink{50%{opacity:0}}.fc-wave{left:34%;bottom:-6px;transform:translateZ(50px)}.bars{display:flex;align-items:center;gap:3px;height:30px}.bars i{width:4px;height:100%;border-radius:2px;background:linear-gradient(var(--g-400),var(--g-600));transform-origin:center;animation:eq 1.1s ease-in-out infinite}.bars i:nth-child(3n){animation-duration:.9s}.bars i:nth-child(3n+1){animation-duration:1.3s;animation-delay:-.4s}.bars i:nth-child(4n){animation-delay:-.7s}@keyframes eq{0%,to{transform:scaleY(.25)}50%{transform:scaleY(1)}}.flip{position:relative;width:190px;height:104px;perspective:900px}.flip-face{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-content:center;text-align:center;gap:4px;padding:0 12px;border-radius:18px;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:var(--surface);box-shadow:var(--sh-2);transition:transform .8s var(--spring),opacity 0s linear .18s}.flip-face b{font-size:20px;font-weight:800;white-space:nowrap}.flip-face small{white-space:nowrap}.flip-face.back{transform:rotateY(-180deg);opacity:0;background:linear-gradient(135deg,var(--g-500),var(--g-700));color:#fff}.flip-face.back small{color:#ffffffe0}.flip.on .flip-face.front{transform:rotateY(180deg);opacity:0}.flip.on .flip-face.back{transform:none;opacity:1}.marquee{overflow:hidden;padding:18px 0;mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}.marquee-track{display:flex;width:max-content;animation:marquee 40s linear infinite}.marquee:hover .marquee-track{animation-play-state:paused}.marquee ul{display:flex;gap:14px;padding-right:14px}.marquee li{padding:10px 20px;border-radius:999px;white-space:nowrap;font-weight:700;font-size:15px;color:var(--text-2);background:var(--surface);box-shadow:var(--sh-1)}@keyframes marquee{to{transform:translate(-50%)}}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:56px 0 24px}.stat{padding:26px 24px;border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--sh-1)}.stat b{display:block;font-size:clamp(40px,4.4vw,56px);font-weight:900;letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums;background:linear-gradient(135deg,var(--g-500),var(--g-700));-webkit-background-clip:text;background-clip:text;color:transparent}[data-theme=dark] .stat b{background-image:linear-gradient(135deg,var(--g-300),var(--g-500))}.stat span{display:block;margin-top:10px;color:var(--text-2);font-size:15px}.section{padding:110px 0}.sec-head{text-align:center;max-width:720px;margin:0 auto 56px}.eyebrow{display:inline-block;padding:5px 14px;border-radius:999px;font-size:13px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--g-700);background:var(--g-100)}[data-theme=dark] .eyebrow{color:var(--g-300)}.sec-head h2{margin:16px 0 14px;font-size:clamp(32px,4vw,50px);font-weight:900;letter-spacing:-.035em}.sec-head p{color:var(--text-2);font-size:18px}.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{--sx: 50%;--sy: 50%;position:relative;display:flex;flex-direction:column;gap:20px;padding:28px;border-radius:var(--r-xl);overflow:hidden;isolation:isolate;background:var(--surface);box-shadow:var(--sh-1);transition:box-shadow .4s var(--ease),translate .4s var(--ease)}.card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;opacity:0;pointer-events:none;transition:opacity .4s;background:radial-gradient(420px circle at var(--sx) var(--sy),color-mix(in srgb,var(--g-400) 16%,transparent),transparent 60%)}@media (hover: hover) and (pointer: fine){.card:hover{box-shadow:var(--sh-3),0 22px 46px -22px color-mix(in srgb,var(--g-500) 55%,transparent);translate:0 -4px}.card:hover:before{opacity:1}}.c-wide{grid-column:span 2;flex-direction:row;align-items:center}.c-wide>*{flex:1;min-width:0}.c-tall{grid-row:span 2}.c-full{grid-column:1 / -1}.c-full .demo{flex:1.3}.card h3{margin:16px 0 10px;font-size:22px;font-weight:800}.card p{color:var(--text-2);font-size:15.5px}.card-ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--g-100);color:var(--g-700)}[data-theme=dark] .card-ic{color:var(--g-300)}.card-ic .ic{width:22px;height:22px}.card-ic.ic-info{background:var(--info-bg);color:var(--info)}.card-ic.ic-warn{background:var(--warn-bg);color:#e08a00}.card-ic.ic-v{background:var(--violet-bg);color:var(--violet)}.card-ic.ic-bad{background:var(--bad-bg);color:var(--bad)}.more{display:inline-flex;align-items:center;gap:6px;margin-top:auto;font-weight:700;font-size:15px;color:var(--g-700)}[data-theme=dark] .more{color:var(--g-300)}.card-copy .more{margin-top:18px}.more .ic{transition:transform .3s var(--ease)}.more:hover .ic{transform:translate(4px)}.demo{position:relative;border-radius:var(--r-lg);background:var(--surface-2);padding:18px;box-shadow:var(--sh-box)}.parts{display:grid;gap:9px}.part-row{display:grid;grid-template-columns:52px 1fr 40px;align-items:center;gap:10px;font-size:13px;font-weight:700;color:var(--text-2)}.part-row i{height:8px;border-radius:99px;background:color-mix(in srgb,var(--text) 7%,transparent);position:relative;overflow:hidden}.part-row i:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;background:linear-gradient(90deg,var(--g-300),var(--g-500));transform-origin:0 50%;transform:scaleX(0);transition:transform 1.4s var(--ease)}.part-row:nth-child(n) i:after{transition-delay:calc(var(--i, 0) * .08s)}.demo.live .part-row i:after{transform:scaleX(var(--v))}.part-row b{text-align:right;color:var(--text)}.score-badges{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}.score-badges div{padding:10px 12px;border-radius:14px;background:var(--surface);box-shadow:var(--sh-box)}.score-badges small{display:block;font-size:12px;color:var(--text-3);font-weight:600}.score-badges b{font-size:24px;font-weight:900;font-variant-numeric:tabular-nums}.score-badges .total{background:linear-gradient(135deg,var(--g-500),var(--g-700));color:#fff;box-shadow:var(--sh-green)}.score-badges .total small{color:#ffffffd9}.player{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:14px;background:var(--surface);box-shadow:var(--sh-box)}.player .play,.video .play{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--g-500);color:#fff;flex:none}.player .play .ic,.video .play .ic{width:14px;height:14px;fill:currentColor}.wave{flex:1;height:30px;display:flex;align-items:center;gap:2px}.wave i{flex:1;border-radius:2px;background:color-mix(in srgb,var(--text) 16%,transparent);transition:background-color .2s}.wave i.on{background:var(--g-500)}.spd{font-size:12px;font-weight:800;color:var(--text-3)}.karaoke{margin-top:16px;font-size:17px;font-weight:700;line-height:1.5}.karaoke span{color:var(--text-3);transition:color .25s,background-color .25s;border-radius:6px;padding:0 2px}.karaoke span.said{color:var(--text)}.karaoke span.now{color:var(--g-700);background:var(--g-100)}[data-theme=dark] .karaoke span.now{color:var(--g-300)}.vi-line{margin-top:6px;font-size:14px;color:var(--text-2);font-style:italic}.dict{margin-top:16px;padding:12px 14px;border-radius:14px;background:var(--surface);box-shadow:var(--sh-box);font-size:14px}.dict>span{display:block;font-size:12px;font-weight:700;color:var(--text-3);margin-bottom:4px}.dict u{display:inline-block;min-width:64px;text-decoration:none;padding:0 4px;border-radius:6px;background:var(--info-bg);color:var(--info);font-weight:700;transition:background-color .3s}.dict u.ok{background:var(--ok-bg);color:#1f8a3c}[data-theme=dark] .dict u.ok{color:var(--ok)}.dict u.typing:after{content:"|";animation:blink .8s steps(1) infinite}.modes{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}.modes span{padding:5px 10px;border-radius:999px;font-size:12px;font-weight:700;background:var(--surface);color:var(--text-2);box-shadow:var(--sh-box);transition:background-color .35s,color .35s,box-shadow .35s}.modes span.on{background:var(--g-500);color:#fff;box-shadow:var(--sh-green)}.demo-vocab{display:flex;flex-direction:column;align-items:center;gap:16px;padding:22px 18px}.deck{width:100%;display:flex;justify-content:center}.flip.big{width:min(260px,100%);height:120px}.leitner{display:flex;gap:6px}.leitner span{padding:4px 10px;border-radius:9px;font-size:12px;font-weight:700;background:var(--surface);color:var(--text-3);box-shadow:var(--sh-box);transition:background-color .4s,color .4s,transform .4s var(--spring)}.leitner span.on{background:var(--warn-bg);color:#b26a00;transform:translateY(-3px)}.demo-chat{display:flex;flex-direction:column;gap:10px;min-height:170px}.msg{max-width:88%;padding:10px 14px;border-radius:16px;font-size:13.5px;font-weight:500;line-height:1.45;transition:opacity .5s var(--ease),transform .5s var(--ease)}.js .msg{opacity:0;transform:translateY(10px) scale(.96)}.js .msg.show{opacity:1;transform:none}.msg.me{align-self:flex-end;background:linear-gradient(135deg,var(--g-500),var(--g-700));color:#fff;border-bottom-right-radius:6px}.msg.ai{align-self:flex-start;background:var(--surface);box-shadow:var(--sh-box);border-bottom-left-radius:6px}.msg.typing{display:flex;gap:4px;padding:13px 14px}.msg.typing i{width:7px;height:7px;border-radius:50%;background:var(--violet);animation:dot 1.2s infinite}.msg.typing i:nth-child(2){animation-delay:.15s}.msg.typing i:nth-child(3){animation-delay:.3s}@keyframes dot{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}.essay{font-size:14.5px;line-height:1.75;color:var(--text)!important}.essay s{color:var(--bad);text-decoration-thickness:2px;opacity:.3;transition:opacity .5s}.essay ins{text-decoration:none;padding:1px 6px;border-radius:6px;background:var(--ok-bg);color:#1f8a3c;display:inline-block;transform:scale(.6);opacity:0;transition:transform .5s var(--spring),opacity .4s}[data-theme=dark] .essay ins{color:var(--ok)}.demo.live .essay s{opacity:1}.demo.live .essay ins{transform:none;opacity:1}.demo.live .essay ins:last-of-type{transition-delay:.6s}.grade{display:grid;grid-template-columns:74px 1fr;gap:8px 10px;align-items:center;margin-top:14px;font-size:12px;font-weight:700;color:var(--text-2)}.grade i{height:7px;border-radius:99px;background:color-mix(in srgb,var(--text) 7%,transparent);position:relative;overflow:hidden}.grade i:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,var(--violet),var(--info));border-radius:inherit;transform-origin:0 50%;transform:scaleX(0);transition:transform 1.2s var(--ease) .4s}.demo.live .grade i:after{transform:scaleX(var(--v))}.demo-read{font-size:14.5px;line-height:1.75;min-height:150px}.demo-read p{color:var(--text)!important}.demo-read mark{background:none;color:inherit;border-radius:6px;padding:0 2px;transition:background-color .3s,color .3s;text-decoration:underline dotted color-mix(in srgb,var(--g-600) 60%,transparent);text-underline-offset:4px}.demo-read mark.on{background:var(--g-100);color:var(--g-700)}[data-theme=dark] .demo-read mark.on{color:var(--g-300)}.pop{position:absolute;left:var(--px, 20px);top:var(--py, 20px);z-index:2;display:grid;gap:1px;padding:10px 14px;border-radius:14px;min-width:150px;background:var(--surface);box-shadow:var(--sh-3);font-size:13px;opacity:0;transform:translateY(6px) scale(.92);transform-origin:20% 0;transition:opacity .3s var(--ease),transform .4s var(--spring),left .4s var(--ease),top .4s var(--ease);pointer-events:none}.pop.show{opacity:1;transform:none}.pop b{font-size:15px}.pop small{color:var(--text-3)}.pop span{font-weight:700;color:var(--g-700)}[data-theme=dark] .pop span{color:var(--g-300)}.video{position:relative;aspect-ratio:16 / 8;border-radius:14px;display:grid;place-items:center;overflow:hidden;background:linear-gradient(135deg,#2c3e50,color-mix(in srgb,var(--g-700) 70%,#2c3e50) 60%,var(--g-400))}.video:after{content:"";position:absolute;inset:auto 0 0;height:4px;background:#ffffff40}.video:before{content:"";position:absolute;left:0;bottom:0;height:4px;width:0;background:#fff;z-index:1;animation:vprog 8s linear infinite}@keyframes vprog{to{width:100%}}.video .play{width:46px;height:46px;background:#ffffffeb;color:var(--g-700);box-shadow:0 10px 30px #0000004d}.cefr{position:absolute;top:10px;left:10px;padding:3px 9px;border-radius:8px;font-size:12px;font-weight:800;background:#0006;color:#fff}.mic-row{display:flex;align-items:center;gap:12px;margin-top:14px}.mic{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;color:#fff;background:var(--bad);flex:none;animation:micPulse 1.6s infinite}@keyframes micPulse{0%{box-shadow:0 0 color-mix(in srgb,var(--bad) 45%,transparent)}80%,to{box-shadow:0 0 0 12px transparent}}.level{flex:1;display:flex;align-items:center;gap:3px;height:30px}.level i{flex:1;border-radius:2px;background:var(--info);height:20%;transition:height .12s}.demo-class{display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:center}.qr{display:grid;grid-template-columns:repeat(11,1fr);gap:2px;padding:10px;border-radius:14px;background:#fff;box-shadow:var(--sh-1)}.qr i{aspect-ratio:1;border-radius:1.5px;background:#1a1c1a;opacity:0;transform:scale(.3);transition:opacity .3s,transform .4s var(--spring)}.qr i.on{opacity:1;transform:none}.qr i.blank{background:transparent}.live-head{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--text-2)}.live-head b{color:var(--text);font-variant-numeric:tabular-nums}.live-count{margin-left:auto;padding:3px 10px;border-radius:999px;background:var(--ok-bg);white-space:nowrap}.live-dot{width:8px;height:8px;border-radius:50%;background:var(--bad);animation:ping 1.6s infinite;box-shadow:0 0 0 0 var(--bad)}.avatars{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;min-height:70px;align-content:flex-start}.avatars i{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-size:11px;font-weight:800;color:#fff;animation:popIn .5s var(--spring) both}@keyframes popIn{0%{transform:scale(0);opacity:0}}.reacts{position:relative;height:0}.reacts span{position:absolute;bottom:0;font-size:20px;animation:floatUp 2.4s var(--ease) forwards;pointer-events:none}@keyframes floatUp{0%{transform:translateY(0) scale(.5);opacity:0}15%{opacity:1;transform:translateY(-10px) scale(1.1)}to{transform:translateY(-110px) scale(.9);opacity:0}}.mini-feats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}.mini-feats li{display:grid;grid-template-columns:40px 1fr;grid-template-rows:auto auto;column-gap:12px;padding:18px;border-radius:var(--r-md);background:color-mix(in srgb,var(--surface) 60%,transparent);box-shadow:var(--sh-box);transition:background-color .3s,box-shadow .3s}.mini-feats li:hover{background:var(--surface);box-shadow:var(--sh-2)}.mini-feats .ic{grid-row:span 2;width:40px;height:40px;padding:9px;border-radius:12px;background:var(--g-100);color:var(--g-700)}[data-theme=dark] .mini-feats .ic{color:var(--g-300)}.mini-feats b{font-size:15px}.mini-feats span{font-size:13.5px;color:var(--text-2)}.journey{background:linear-gradient(180deg,transparent,var(--bg-2) 18%,var(--bg-2) 82%,transparent)}.journey-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px}.steps{position:relative;padding-left:34px}.steps:before{content:"";position:absolute;left:10px;top:10px;bottom:10px;width:2px;border-radius:2px;background:var(--line)}.steps:after{content:"";position:absolute;left:10px;top:10px;width:2px;height:calc((100% - 20px) * var(--jp, 0));border-radius:2px;background:linear-gradient(var(--g-400),var(--g-600));transition:height .2s linear}.step{position:relative;min-height:62vh;display:flex;flex-direction:column;justify-content:center;opacity:.35;transition:opacity .5s var(--ease)}.step:before{content:"";position:absolute;left:-31px;top:50%;width:16px;height:16px;margin-top:-60px;border-radius:50%;background:var(--surface);box-shadow:0 0 0 1px var(--line),var(--sh-1);transition:background-color .4s,box-shadow .4s,transform .4s var(--spring);z-index:1}.step.active{opacity:1}.step.active:before{background:var(--g-500);box-shadow:0 0 0 6px color-mix(in srgb,var(--g-400) 25%,transparent);transform:scale(1.1)}.step-no{font-size:15px;font-weight:900;color:var(--g-600);letter-spacing:.06em}.step h3{margin:8px 0 12px;font-size:clamp(26px,3vw,36px);font-weight:900}.step p{color:var(--text-2);font-size:17px;max-width:460px}.step .more{margin-top:18px}.journey-visual{position:sticky;top:15vh;height:70vh;display:grid;place-items:center}.phone{position:relative;width:300px;height:600px;max-height:66vh;aspect-ratio:1 / 2;border-radius:46px;padding:14px;background:color-mix(in srgb,var(--g-800) 22%,#0b0c0b);box-shadow:var(--sh-3),inset 0 0 0 1px #ffffff14}.phone-notch{position:absolute;top:22px;left:50%;width:92px;height:26px;margin-left:-46px;border-radius:20px;background:#000;z-index:3}.screens{position:relative;height:100%;border-radius:34px;overflow:hidden;background:var(--bg)}.screen{position:absolute;top:0;right:0;bottom:0;left:0;padding:64px 20px 20px;display:flex;flex-direction:column;gap:16px;opacity:0;transform:translateY(30px) scale(.96);filter:blur(6px);transition:opacity .6s var(--ease),transform .7s var(--ease),filter .6s var(--ease)}.screen.on{opacity:1;transform:none;filter:none}.screen>small{font-size:13px;font-weight:700}.gauge{position:relative;display:grid;place-items:center;padding:10px;border-radius:22px;background:var(--surface);box-shadow:var(--sh-1)}.gauge svg{width:100%}.g-bg,.g-fg{fill:none;stroke-width:16;stroke-linecap:round}.g-bg{stroke:color-mix(in srgb,var(--text) 8%,transparent)}.g-fg{stroke:var(--g-500);stroke-dasharray:267;stroke-dashoffset:267;transition:stroke-dashoffset 1.6s var(--ease) .2s}.screen.on .g-fg{stroke-dashoffset:120}.gauge b{position:absolute;bottom:22px;font-size:30px;font-weight:900}.weak{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;font-weight:700;color:var(--text-2)}.weak em{font-style:normal;padding:4px 10px;border-radius:999px;background:var(--bad-bg);color:var(--bad)}.plan{display:grid;gap:10px}.plan li{display:flex;gap:10px;align-items:center;padding:12px 14px;border-radius:16px;background:var(--surface);box-shadow:var(--sh-1);font-size:13.5px;font-weight:600;opacity:0;transform:translate(20px);transition:opacity .5s var(--ease),transform .5s var(--ease)}.screen.on .plan li{opacity:1;transform:none}.screen.on .plan li:nth-child(2){transition-delay:.1s}.screen.on .plan li:nth-child(3){transition-delay:.2s}.screen.on .plan li:nth-child(4){transition-delay:.3s}.plan i{width:12px;height:12px;border-radius:50%;background:color-mix(in srgb,var(--text) 14%,transparent);flex:none}.plan .done i{background:var(--g-500)}.plan .now{box-shadow:var(--glow-g)}.plan .now i{background:var(--warn);box-shadow:0 0 0 4px color-mix(in srgb,var(--warn) 25%,transparent)}.today{display:grid;gap:10px}.t-item{display:flex;align-items:center;gap:12px;padding:14px;border-radius:16px;background:var(--surface);box-shadow:var(--sh-1);font-size:14px;font-weight:600}.tic{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;box-shadow:inset 0 0 0 1.5px var(--line);flex:none}.tic.ok{background:var(--ok);color:#fff;box-shadow:none}.tic .ic{width:15px;height:15px;stroke-width:3}.xp{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;font-size:13px;font-weight:800;padding:14px;border-radius:16px;background:var(--surface);box-shadow:var(--sh-1)}.xp div{height:10px;border-radius:99px;background:color-mix(in srgb,var(--text) 8%,transparent);overflow:hidden}.xp div i{display:block;height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--warn),#ff7a45);transition:width 1.4s var(--ease) .3s}.screen.on .xp div i{width:72%}.xp b{color:#e08a00}.line-chart{width:100%;padding:14px;border-radius:22px;background:var(--surface);box-shadow:var(--sh-1);overflow:visible}.lc-grid{stroke:var(--line);stroke-width:1}.lc-line{fill:none;stroke:var(--g-500);stroke-width:4;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:260;stroke-dashoffset:260;transition:stroke-dashoffset 1.6s var(--ease) .2s}.lc-area{fill:color-mix(in srgb,var(--g-400) 20%,transparent);opacity:0;transition:opacity 1s .8s}.lc-dot{fill:var(--g-500);stroke:var(--surface);stroke-width:3;opacity:0;transition:opacity .4s 1.6s}.screen.on .lc-line{stroke-dashoffset:0}.screen.on .lc-area,.screen.on .lc-dot{opacity:1}.chart-legend{display:flex;justify-content:space-between;font-size:13px;color:var(--text-2);font-weight:600}.chart-legend b{color:var(--g-600);font-size:16px}.journey-dots{position:absolute;right:0;top:50%;display:grid;gap:10px;transform:translateY(-50%)}.journey-dots i{width:8px;height:8px;border-radius:50%;background:color-mix(in srgb,var(--text) 18%,transparent);transition:background-color .3s,transform .3s var(--spring)}.journey-dots i.on{background:var(--g-500);transform:scale(1.5)}.compare{display:grid;grid-template-columns:1fr 1.15fr;gap:20px;align-items:stretch}.cmp{padding:34px;border-radius:var(--r-xl)}.cmp h3{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;margin-bottom:20px}.cmp li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;font-size:16px}.cmp li+li{box-shadow:0 -1px 0 var(--line)}.cmp-old{background:color-mix(in srgb,var(--surface) 55%,transparent);color:var(--text-2);box-shadow:var(--sh-box)}.cmp-old li:before{content:"×";flex:none;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:14px;background:var(--bad-bg);color:var(--bad);margin-top:2px}.cmp-new{--sx: 50%;--sy: 50%;position:relative;overflow:hidden;isolation:isolate;background:var(--surface);box-shadow:var(--sh-3),0 22px 46px -22px color-mix(in srgb,var(--g-500) 55%,transparent)}.cmp-new:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;background:radial-gradient(500px circle at var(--sx) var(--sy),color-mix(in srgb,var(--g-400) 14%,transparent),transparent 60%)}.cmp-new li .ic{flex:none;width:22px;height:22px;padding:4px;border-radius:50%;background:var(--ok);color:#fff;stroke-width:3;margin-top:2px}.faq-list{display:grid;gap:12px}.faq details{border-radius:var(--r-md);background:var(--surface);box-shadow:var(--sh-1);transition:box-shadow .3s}.faq details[open]{box-shadow:var(--sh-2),0 22px 46px -22px color-mix(in srgb,var(--g-500) 55%,transparent)}.faq summary{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;font-weight:700;font-size:17px;cursor:pointer;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary .ic{width:22px;height:22px;color:var(--text-3);transition:transform .4s var(--ease)}.faq details[open] summary .ic{transform:rotate(180deg);color:var(--g-600)}.faq details>div{display:grid;grid-template-rows:1fr;transition:grid-template-rows .45s var(--ease)}.faq details>div>p{overflow:hidden;padding:0 24px 22px;color:var(--text-2);font-size:16px}.cta-final{padding:40px 0 110px}.cta-box{--sx: 50%;--sy: 50%;position:relative;overflow:hidden;isolation:isolate;text-align:center;padding:80px 32px;border-radius:44px;color:#fff;background:linear-gradient(135deg,var(--g-500),var(--g-700) 55%,var(--g-800));box-shadow:0 30px 80px color-mix(in srgb,var(--g-600) 45%,transparent)}.cta-box:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;background:radial-gradient(600px circle at var(--sx) var(--sy),rgba(255,255,255,.18),transparent 55%)}.cta-glow{position:absolute;top:-60%;right:-60%;bottom:-60%;left:-60%;z-index:-2;filter:blur(60px);background:conic-gradient(from 0deg,transparent 0%,color-mix(in srgb,var(--g-300) 55%,transparent) 12%,transparent 28%,rgba(255,214,110,.3) 50%,transparent 66%,color-mix(in srgb,var(--g-400) 45%,transparent) 84%,transparent 100%);animation:spin 18s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.cta-box .brand-logo{--logo-bg: #fff;--logo-fg: var(--g-600);--logo-leaf: var(--g-300);filter:drop-shadow(0 10px 24px rgba(0,0,0,.3));animation:bob 5s ease-in-out infinite}.cta-box h2{margin:22px 0 14px;font-size:clamp(34px,4.6vw,58px);font-weight:900;letter-spacing:-.035em}.cta-box p{max-width:580px;margin:0 auto;font-size:18px;color:#ffffffe0}.pill{transition:box-shadow .25s,color .25s,transform .3s var(--spring)}.pill .ic{transition:transform .3s var(--ease)}.pill:hover .ic{transform:translate(3px)}.pill:active{transform:scale(.97)}.card:active{transform:scale(.99)}.card .card-ic{transition:transform .45s var(--spring)}.stat{transition:transform .4s var(--ease),box-shadow .4s var(--ease)}.mini-feats li{transition:background-color .3s,box-shadow .3s,transform .35s var(--ease)}.mini-feats .ic{transition:transform .45s var(--spring),background-color .3s,color .3s}.marquee li{transition:background-color .25s,color .25s,transform .3s var(--spring),box-shadow .25s;cursor:default}.cmp li{transition:transform .3s var(--ease),color .25s}.faq summary{border-radius:var(--r-md);transition:background-color .22s,color .22s}.faq summary:active{transform:scale(.995)}.step .step-no{transition:letter-spacing .35s var(--ease),color .3s}.modes span,.leitner span{cursor:default}.more:active{transform:scale(.96)}@media (hover: hover) and (pointer: fine){.card:hover .card-ic{transform:translateY(-3px) rotate(-6deg) scale(1.08)}.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}.mini-feats li:hover{transform:translateY(-3px)}.mini-feats li:hover .ic{transform:rotate(-8deg) scale(1.1);background:var(--g-500);color:#fff}.marquee li:hover{background:var(--g-100);color:var(--g-700);transform:translateY(-2px);box-shadow:var(--sh-2)}.cmp-new li:hover{transform:translate(6px)}.cmp-old li:hover{transform:translate(-4px);color:var(--text)}.faq summary:hover{background:color-mix(in srgb,var(--g-400) 8%,transparent)}.step:hover .step-no{letter-spacing:.14em;color:var(--g-500)}.step:not(.active):hover{opacity:.6}.modes span:hover{background:var(--g-100);color:var(--g-700)}.score-badges div{transition:transform .3s var(--spring)}.score-badges div:hover{transform:translateY(-3px) scale(1.03)}.float{transition:box-shadow .3s}.float:hover{box-shadow:var(--sh-3)}}@media (max-width: 1080px){.hero-in{grid-template-columns:1fr;gap:30px;text-align:center}.lead{margin-inline:auto}.hero-actions,.hero-trust{justify-content:center}.hero-stage{height:520px;max-width:620px;width:100%;margin:0 auto}.bento{grid-template-columns:1fr 1fr}.c-tall{grid-row:span 1}.c-wide{grid-column:span 2}.c-full{grid-column:1 / -1}}@media (max-width: 860px){.stats{grid-template-columns:1fr 1fr}.journey-grid{grid-template-columns:1fr;gap:0}.journey-visual{top:72px;height:auto;z-index:2;padding:12px 0;order:-1}.phone{width:200px;height:330px;border-radius:34px;padding:9px}.phone-notch{top:14px;width:64px;height:18px;margin-left:-32px}.screens{border-radius:26px}.screen{padding:40px 12px 12px;gap:10px;transform-origin:top center}.screen>*{zoom:.72}.journey-dots{display:none}.step{min-height:52vh}.compare{grid-template-columns:1fr}.mini-feats{grid-template-columns:1fr 1fr}}@media (max-width: 640px){.hero{padding-top:100px}.hero h1{font-size:clamp(30px,8.6vw,40px)}.lead{font-size:16px}.pill{font-size:13px;padding:6px 12px 6px 9px}.hero-actions .btn{flex:1 1 100%}.hero-trust{gap:6px 14px;font-size:13px}.sec-head h2{font-size:clamp(26px,7.4vw,34px)}.sec-head p{font-size:16px}.card{padding:22px 18px}.card h3{font-size:20px}.step h3{font-size:24px}.step p{font-size:15.5px}.faq summary{font-size:15.5px;padding:16px 18px}.faq details>div>p{padding:0 18px 18px;font-size:15px}.cta-box h2{font-size:clamp(28px,8vw,36px)}.cta-box p{font-size:16px}.marquee li{font-size:14px;padding:8px 16px}.hero-stage{height:430px;perspective:none}.stage-in,.hero-stage.tracking .stage-in{transform:none}.device{left:0;right:0;top:76px}.dv-body{padding:16px}.dv-q{font-size:15px}.opt{font-size:13px;padding:8px 10px}.fc-score{transform:translateZ(90px) scale(.78);transform-origin:top right;right:-6px;top:-6px}.fc-streak{left:-4px;top:18px;transform:translateZ(60px) scale(.86);transform-origin:top left}.fc-ai{display:none}.fc-flash{left:-4px;bottom:10px;transform:translateZ(110px) scale(.82);transform-origin:bottom left}.fc-wave{left:auto;right:0;bottom:10px}.bento{grid-template-columns:1fr}.c-wide,.c-full{grid-column:span 1;flex-direction:column;align-items:stretch}.live-head{flex-wrap:wrap}.section{padding:80px 0}.sec-head{margin-bottom:40px}.stat{padding:20px 16px}.stat span{font-size:13.5px}.mini-feats{grid-template-columns:1fr}.demo-class{grid-template-columns:96px 1fr}.cmp{padding:24px}.cta-box{padding:56px 20px;border-radius:32px}}