.z-trace{--trace-accent:oklch(78% .14 285);--trace-surface:oklch(20% .007 280);isolation:isolate;background:var(--zentudia-night);color:var(--zentudia-on-night);padding:120px 0 128px;position:relative;overflow:hidden}.z-trace:before{content:"";z-index:-1;background:radial-gradient(oklch(100% 0 0/.07) 1px,#0000 1.2px) 0 0/26px 26px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(80% 70% at 50% 45%,#000 20%,#0000 80%);mask-image:radial-gradient(80% 70% at 50% 45%,#000 20%,#0000 80%)}.z-trace-heading{max-width:640px;margin-bottom:64px}.z-trace-kicker{letter-spacing:.08em;text-transform:uppercase;color:var(--zentudia-mint);align-items:center;gap:10px;margin-bottom:20px;font-size:12px;font-weight:560;display:inline-flex}.z-trace-kicker:before{content:"";background:currentColor;border-radius:50%;width:6px;height:6px}.z-trace-heading h2{letter-spacing:-.03em;color:var(--zentudia-on-night);margin:0;font-size:clamp(36px,4.6vw,56px);font-weight:500;line-height:1.08}.z-trace-heading p{max-width:540px;color:var(--zentudia-night-muted);margin:22px 0 0;font-size:16px;line-height:1.7}.z-trace-stage{grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:center;column-gap:clamp(72px,9vw,128px);display:grid;position:relative}.z-trace-beam{z-index:2;pointer-events:none;position:absolute;inset:0;overflow:visible}.z-trace-beam-path{fill:none;stroke:url(#trace-beam-gradient);stroke-width:2px;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1px;filter:drop-shadow(0 0 6px oklch(78% .14 285/.55));animation:.75s cubic-bezier(.22,.8,.2,1) forwards z-trace-draw}@keyframes z-trace-draw{to{stroke-dashoffset:0}}.z-trace-claims{z-index:3;gap:14px;display:grid;position:relative}.z-trace-claim{text-align:left;width:100%;color:var(--zentudia-night-muted);border:1px solid var(--zentudia-night-line);cursor:pointer;background:oklch(100% 0 0/.025);border-radius:16px;gap:14px;padding:20px 22px 22px;transition:background .25s,border-color .25s,color .25s,box-shadow .25s,transform .25s;display:grid}.z-trace-claim:hover{color:var(--zentudia-on-night);border-color:oklch(100% 0 0/.3)}.z-trace-claim:focus-visible{outline:2px solid var(--zentudia-mint);outline-offset:3px}.z-trace-claim[aria-pressed=true]{color:var(--zentudia-on-night);background:var(--zentudia-night-raised);border-color:oklch(78% .14 285/.7);transform:translate(6px);box-shadow:0 24px 48px -28px oklch(78% .14 285/.6),inset 0 1px oklch(100% 0 0/.08)}.z-trace-claim-top{justify-content:space-between;align-items:center;gap:12px;display:flex}.z-trace-chip{color:var(--zentudia-on-night);border:1px solid var(--zentudia-night-line);background:oklch(100% 0 0/.04);border-radius:999px;align-items:center;gap:7px;padding:5px 11px 5px 9px;font-size:12px;font-weight:540;display:inline-flex}.z-trace-claim[aria-pressed=true] .z-trace-chip{color:var(--trace-accent);background:oklch(78% .14 285/.1);border-color:oklch(78% .14 285/.45)}.z-trace-time{font-variant-numeric:tabular-nums;color:var(--zentudia-night-muted);font:500 12px/1 Geist Mono,ui-monospace,SFMono-Regular,Consolas,monospace;transition:color .25s}.z-trace-claim[aria-pressed=true] .z-trace-time{color:var(--zentudia-mint)}.z-trace-claim-text{font-size:16px;line-height:1.55}.z-trace-panel{z-index:1;background:var(--trace-surface);border:1px solid var(--zentudia-night-line);border-radius:20px;position:relative;overflow:hidden;box-shadow:0 40px 90px -40px oklch(0% 0 0/.8),inset 0 1px oklch(100% 0 0/.06)}.z-trace-panel-head{border-bottom:1px solid var(--zentudia-night-line);justify-content:space-between;align-items:center;gap:12px;padding:16px 22px;display:flex}.z-trace-panel-title{align-items:center;gap:10px;font-size:14px;font-weight:540;display:inline-flex}.z-trace-panel-title svg{color:var(--trace-accent)}.z-trace-panel-title small{color:var(--zentudia-night-muted);font-size:12px;font-weight:400}.z-trace-panel-title small:before{content:"·";margin-right:10px}.z-trace-sample{color:var(--zentudia-night-muted);border:1px dashed var(--zentudia-night-line);border-radius:999px;flex:none;padding:4px 10px;font-size:11px}.z-trace-lines{gap:2px;margin:0;padding:12px;list-style:none;display:grid}.z-trace-lines li{color:var(--zentudia-night-muted);opacity:.5;border-radius:12px;grid-template-columns:52px minmax(0,1fr);grid-template-areas:"time who""time text";gap:2px 16px;padding:13px 16px 14px;transition:background .3s,opacity .3s,color .3s;display:grid;position:relative}.z-trace-lines li time{font-variant-numeric:tabular-nums;grid-area:time;padding-top:2px;font:500 12px/1.5 Geist Mono,ui-monospace,SFMono-Regular,Consolas,monospace}.z-trace-who{letter-spacing:.06em;text-transform:uppercase;grid-area:who;font-size:11px;font-weight:560}.z-trace-lines li[data-who=student] .z-trace-who{color:var(--zentudia-mint)}.z-trace-lines li p{grid-area:text;margin:0;font-size:15px;line-height:1.55}.z-trace-lines li[data-active=true]{opacity:1;color:var(--zentudia-on-night);background:linear-gradient(90deg,oklch(78% .14 285/.2),oklch(78% .14 285/.06));box-shadow:inset 0 0 0 1px oklch(78% .14 285/.35)}.z-trace-lines li[data-active=true]:before{content:"";background:var(--zentudia-mint);border-radius:0 3px 3px 0;width:3px;position:absolute;top:12px;bottom:12px;left:0}.z-trace-lines li[data-active=true] time{color:var(--zentudia-mint)}.z-trace-scrub{border-top:1px solid var(--zentudia-night-line);font-variant-numeric:tabular-nums;color:var(--zentudia-night-muted);align-items:center;gap:16px;padding:14px 22px 18px;font:500 12px/1 Geist Mono,ui-monospace,SFMono-Regular,Consolas,monospace;display:flex}.z-trace-track{background:oklch(100% 0 0/.12);border-radius:4px;flex:1;height:4px;position:relative}.z-trace-track i{background:oklch(100% 0 0/.35);border-radius:2px;width:2px;height:10px;position:absolute;top:-3px;transform:translate(-1px)}.z-trace-track b{background:var(--zentudia-mint);border-radius:50%;width:14px;height:14px;transition:left .6s cubic-bezier(.22,.8,.2,1);position:absolute;top:50%;transform:translate(-50%,-50%);box-shadow:0 0 0 5px oklch(88% .12 163/.18),0 0 16px oklch(88% .12 163/.6)}.z-trace-status{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;position:absolute;overflow:hidden}@media (width<=899px){.z-trace{padding:80px 0 88px}.z-trace-heading{margin-bottom:40px}.z-trace-stage{grid-template-columns:1fr;row-gap:20px}.z-trace-claim[aria-pressed=true]{transform:none}.z-trace-lines li{grid-template-columns:44px minmax(0,1fr);column-gap:12px;padding:11px 12px 12px}.z-trace-lines li p{font-size:14px}.z-trace-panel-title small,.z-trace-lines li:not([data-active=true]){display:none}}@media (width<=560px){.z-trace-claim{padding:16px 16px 18px}.z-trace-claim-text{font-size:15px}}@media (prefers-reduced-motion:reduce){.z-trace-beam-path{stroke-dashoffset:0;animation:none}.z-trace-claim,.z-trace-lines li,.z-trace-track b{transition:none}}.z-ai{--ai-accent:#5655e8;--ai-accent-soft:oklch(96% .02 285);--ai-gap:oklch(72% .14 70);--ai-gap-wash:oklch(97% .04 85);--ai-ease:cubic-bezier(.22, .8, .2, 1);background:var(--zentudia-paper);color:var(--zentudia-ink);border-top:1px solid var(--zentudia-rule);padding:120px 0 112px}.z-ai-head{max-width:680px;margin-bottom:72px}.z-ai-kicker{color:var(--zentudia-muted);margin-bottom:18px;font-size:11px;display:block}.z-ai-head h2{letter-spacing:-.03em;color:var(--zentudia-ink);margin:0;font-size:clamp(36px,4.6vw,56px);font-weight:500;line-height:1.08}.z-ai-head p{max-width:600px;color:var(--zentudia-muted);margin:22px 0 0;font-size:16px;line-height:1.75}.z-ai-flow{grid-template-columns:minmax(0,1fr) 64px minmax(0,1fr) 64px minmax(0,1.2fr);align-items:start;display:grid}.z-ai-step{opacity:0;transform:translateY(22px)}.z-ai-flow[data-live=true] .z-ai-step{opacity:1;transition:opacity .8s var(--ai-ease), transform .9s var(--ai-ease);transition-delay:calc(var(--i) * .95s + .1s);transform:none}.z-ai-num{letter-spacing:.06em;color:var(--zentudia-muted);margin-bottom:14px;font:500 12px/1 Geist Mono,ui-monospace,Consolas,monospace;display:block}.z-ai-step h3{letter-spacing:-.02em;margin:22px 0 0;font-size:19px;font-weight:550}.z-ai-step>p{color:var(--zentudia-muted);max-width:300px;margin:8px 0 0;font-size:14px;line-height:1.6}.z-ai-material,.z-ai-core,.z-ai-note{border-radius:22px;min-height:276px}.z-ai-material,.z-ai-note{border:1px solid var(--zentudia-rule);background:#fff;box-shadow:0 30px 60px -36px oklch(30% .06 285/.35),0 2px 6px -2px oklch(30% .03 285/.08)}.z-ai-material{align-content:center;gap:12px;padding:22px;display:grid}.z-ai-file{border:1px solid var(--zentudia-rule);background:var(--zentudia-paper);border-radius:14px;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:14px 16px;display:grid}.z-ai-file-icon{width:32px;height:32px;color:var(--ai-accent);background:var(--ai-accent-soft);border-radius:10px;place-items:center;display:grid}.z-ai-file-name{font-size:14px;font-weight:500}.z-ai-wave{align-items:center;gap:2px;height:22px;display:inline-flex}.z-ai-wave i{background:var(--ai-accent);opacity:.85;border-radius:2px;width:2.5px;height:4px}.z-ai-flow[data-live=true] .z-ai-wave i{animation:1.3s ease-in-out infinite ai-eq;animation-delay:calc(var(--k) * -.11s)}@keyframes ai-eq{0%,to{height:4px}50%{height:20px}}.z-ai-lines{gap:4px;width:34px;display:grid}.z-ai-lines i{background:oklch(82% .01 280);border-radius:2px;height:3px}.z-ai-lines i:nth-child(2){width:78%}.z-ai-lines i:nth-child(3){width:55%}.z-ai-link{align-self:start;height:2px;margin-top:164px;position:relative}.z-ai-link:before{content:"";transform-origin:0;background:repeating-linear-gradient(90deg,oklch(72% .03 280) 0 5px,#0000 5px 10px);border-radius:2px;position:absolute;inset:0;transform:scaleX(0)}.z-ai-flow[data-live=true] .z-ai-link:before{transition:transform .7s var(--ai-ease);transform:scaleX(1)}.z-ai-flow[data-live=true] .z-ai-link:nth-child(2):before{transition-delay:.75s}.z-ai-flow[data-live=true] .z-ai-link:nth-child(4):before{transition-delay:1.7s}.z-ai-link i{background:var(--ai-accent);opacity:0;border-radius:50%;width:9px;height:9px;margin-top:-4.5px;position:absolute;top:50%;left:0;box-shadow:0 0 0 4px oklch(55% .2 285/.14),0 0 14px oklch(55% .2 285/.5)}.z-ai-flow[data-live=true] .z-ai-link i{animation:ai-travel 2.6s var(--ai-ease) infinite}.z-ai-flow[data-live=true] .z-ai-link:nth-child(2) i{animation-delay:1.4s}.z-ai-flow[data-live=true] .z-ai-link:nth-child(4) i{animation-delay:2.5s}@keyframes ai-travel{0%{opacity:0;left:0}12%{opacity:1}78%{opacity:1}to{opacity:0;left:calc(100% - 9px)}}.z-ai-core{--claude:#d97757;color:#1f1d1a;background:#f4f1ea;border:1px solid #e6e0d3;place-items:center;display:grid;position:relative;overflow:hidden;box-shadow:0 36px 70px -36px oklch(45% .09 45/.55),0 2px 6px -2px oklch(30% .03 60/.1),inset 0 1px #fff}.z-ai-core:before{content:"";background:radial-gradient(oklch(50% .05 60/.16) 1px,#0000 1.2px) 0 0/20px 20px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(circle at 50% 46%,#000,#0000 70%);mask-image:radial-gradient(circle at 50% 46%,#000,#0000 70%)}.z-ai-ring{opacity:0;border:1px solid #d97757;border-radius:50%;width:176px;height:176px;margin:-88px 0 0 -88px;position:absolute;top:46%;left:50%}.z-ai-flow[data-live=true] .z-ai-ring{animation:ai-ring 3.8s var(--ai-ease) infinite}.z-ai-ring:nth-of-type(2){animation-delay:1.25s!important}.z-ai-ring:nth-of-type(3){animation-delay:2.5s!important}@keyframes ai-ring{0%{opacity:.5;transform:scale(.7)}to{opacity:0;transform:scale(2.3)}}.z-ai-core-body{text-align:center;justify-items:center;gap:6px;display:grid;position:relative}.z-ai-spark{width:66px;height:66px;margin-bottom:4px;overflow:visible}.z-ai-spark line{stroke:var(--claude);stroke-width:7.5px;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:0}.z-ai-flow[data-live=true] .z-ai-spark{animation:28s linear infinite ai-spin}.z-ai-flow[data-live=true] .z-ai-spark line{animation:2.4s ease-in-out infinite ai-ray;animation-delay:calc(var(--r) * -.2s)}@keyframes ai-ray{0%,to{stroke-dashoffset:0}50%{stroke-dashoffset:.3px}}@keyframes ai-spin{to{transform:rotate(360deg)}}.z-ai-core-body strong{letter-spacing:-.02em;color:#1f1d1a;font-family:Tiempos Headline,"Source Serif 4",Georgia,Times New Roman,serif;font-size:38px;font-weight:500;line-height:1}.z-ai-core-body small{color:#6f6a60;margin-top:4px;font-size:12.5px}.z-ai-core-body small b{color:#1f1d1a;font-weight:560}.z-ai-note{align-content:center;gap:12px;padding:22px;display:grid}.z-ai-note-top{border-bottom:1px solid var(--zentudia-rule);justify-content:space-between;align-items:center;gap:12px;padding-bottom:12px;display:flex}.z-ai-note-top strong{font-size:14px;font-weight:550}.z-ai-note-top span{color:var(--zentudia-muted);border:1px dashed var(--zentudia-rule);border-radius:999px;padding:3px 9px;font-size:10.5px}.z-ai-claim{background:var(--zentudia-paper);opacity:0;border-radius:12px;margin:0;padding:11px 13px;font-size:14px;line-height:1.55;position:relative;transform:translateY(6px)}.z-ai-flow[data-live=true] .z-ai-claim{opacity:1;transition:opacity .6s var(--ai-ease), transform .7s var(--ai-ease);transition-delay:2.7s;transform:none}.z-ai-flow[data-live=true] .z-ai-claim-gap{transition-delay:3.3s}.z-ai-src{color:var(--ai-accent);background:var(--ai-accent-soft);white-space:nowrap;vertical-align:1px;border-radius:999px;margin-left:8px;padding:2px 8px;font:500 11px/1.5 Geist Mono,ui-monospace,Consolas,monospace;display:inline-block}.z-ai-claim-gap{background:var(--ai-gap-wash);justify-content:space-between;align-items:center;gap:10px;display:flex;box-shadow:inset 0 0 0 1px oklch(85% .09 80/.7)}.z-ai-claim-gap>span:first-child{background-image:linear-gradient(90deg, var(--ai-gap) 50%, transparent 0);background-position:0 100%;background-repeat:repeat-x;background-size:8px 2px;padding-bottom:2px}.z-ai-gap{color:oklch(42% .1 65);cursor:pointer;background:#fff;border:1px solid oklch(80% .12 75);border-radius:999px;flex:none;align-items:center;gap:5px;padding:5px 10px 5px 8px;font:560 11.5px/1 Geist,Inter,system-ui,sans-serif;display:inline-flex}.z-ai-gap:hover{background:oklch(98% .03 85)}.z-ai-gap:focus-visible{outline:2px solid var(--ai-accent);outline-offset:2px}.z-ai-flow[data-live=true] .z-ai-gap{animation:2.6s ease-out 4.1s infinite ai-gap}@keyframes ai-gap{0%{box-shadow:0 0 oklch(72% .14 70/.55)}70%,to{box-shadow:0 0 0 10px oklch(72% .14 70/0)}}.z-ai-hint{color:oklch(42% .06 65);opacity:0;max-height:0;transition:max-height .4s var(--ai-ease), opacity .3s, padding .3s;margin:0;padding:0 13px;font-size:12.5px;line-height:1.55;overflow:hidden}.z-ai-hint[data-open=true]{opacity:1;max-height:90px;padding:2px 13px 4px}.z-ai .z-ai-disclaimer{color:var(--zentudia-muted);align-items:center;gap:10px;margin:56px 0 0;font-size:13.5px;line-height:1.6;display:flex}.z-ai-disclaimer svg{color:var(--ai-accent);flex:none}@media (width<=959px){.z-ai{padding:80px 0 88px}.z-ai-head{margin-bottom:48px}.z-ai-flow{grid-template-columns:1fr;justify-items:stretch}.z-ai-step>p{max-width:none}.z-ai-link{width:2px;height:52px;margin:6px 0 6px 28px}.z-ai-link:before{transform-origin:50% 0;background:repeating-linear-gradient(oklch(72% .03 280) 0 5px,#0000 5px 10px);transform:scaleY(0)}.z-ai-flow[data-live=true] .z-ai-link:before{transform:scaleY(1)}.z-ai-link i{margin:0 0 0 -4.5px;top:0;left:50%}@keyframes ai-travel{0%{opacity:0;top:0}12%{opacity:1}78%{opacity:1}to{opacity:0;top:calc(100% - 9px)}}.z-ai .z-ai-disclaimer{align-items:flex-start;margin-top:40px}.z-ai-disclaimer svg{margin-top:3px}}@media (prefers-reduced-motion:reduce){.z-ai-step,.z-ai-claim{opacity:1;transform:none;transition:none!important}.z-ai-link:before{transition:none!important;transform:none!important}.z-ai-wave i,.z-ai-spark,.z-ai-spark line,.z-ai-link i,.z-ai-ring,.z-ai-gap{animation:none!important}.z-ai-wave i{height:12px}.z-ai-ring{opacity:.25;transform:scale(1.4)}}.z-faq-cta{border:1px solid var(--zentudia-rule);background:#fff;border-radius:18px;max-width:340px;margin-top:36px;padding:22px;box-shadow:0 24px 48px -34px oklch(30% .06 285/.35)}.z-faq-cta strong{letter-spacing:-.01em;font-size:16px;font-weight:550;display:block}.z-faq-cta p{color:var(--zentudia-muted);margin:8px 0 0;font-size:14px;line-height:1.6}.z-faq-cta a{color:var(--zentudia-mint-ink);background:var(--zentudia-mint);border-radius:8px;align-items:center;gap:8px;margin-top:16px;padding:11px 16px;font-size:13.5px;font-weight:550;text-decoration:none;transition:transform .25s cubic-bezier(.22,.8,.2,1),filter .25s;display:inline-flex}.z-faq-cta a:hover{filter:brightness(.97);transform:translateY(-1px)}.z-faq-cta a:focus-visible{outline-offset:3px;outline:2px solid #5655e8}.z-faq{background:var(--zentudia-paper);color:var(--zentudia-ink);border-top:1px solid var(--zentudia-rule);padding:88px 0 96px}.z-faq .z-faq-grid{grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:start;gap:clamp(48px,8vw,112px);display:grid}.z-faq-head{position:sticky;top:104px}.z-faq-kicker{color:var(--zentudia-muted);margin-bottom:18px;font-size:11px;display:block}.z-faq-head h2{letter-spacing:-.03em;margin:0;font-size:clamp(34px,4vw,48px);font-weight:500;line-height:1.1}.z-faq-head>p{max-width:320px;color:var(--zentudia-muted);margin:18px 0 0;font-size:15px;line-height:1.7}.z-faq-groups{gap:36px;display:grid}.z-faq-group h3{letter-spacing:.08em;text-transform:uppercase;color:var(--zentudia-muted);margin:0 0 6px;font:500 11px/1 Geist Mono,ui-monospace,Consolas,monospace}.z-faq-item{border-bottom:1px solid var(--zentudia-rule);position:relative}.z-faq-item:before{content:"";transform-origin:50% 0;background:#5655e8;border-radius:2px;width:2px;transition:transform .45s cubic-bezier(.22,.8,.2,1);position:absolute;top:18px;bottom:18px;left:-20px;transform:scaleY(0)}.z-faq-item[data-open=true]:before{transform:scaleY(1)}.z-faq-item h4{font:inherit;margin:0}.z-faq-item button{text-align:left;letter-spacing:-.01em;width:100%;color:var(--zentudia-ink);cursor:pointer;background:0 0;border:0;justify-content:space-between;align-items:center;gap:24px;padding:22px 0;font:500 17px/1.4 Geist,Inter,system-ui,sans-serif;display:flex}.z-faq-item button svg{color:var(--zentudia-muted);flex:none;transition:transform .4s cubic-bezier(.22,.8,.2,1),color .25s}.z-faq-item button:hover svg{color:var(--zentudia-ink)}.z-faq-item[data-open=true] button svg{color:#5655e8;transform:rotate(135deg)}.z-faq-item button:focus-visible{outline-offset:4px;border-radius:6px;outline:2px solid #5655e8}.z-faq-panel{grid-template-rows:0fr;transition:grid-template-rows .45s cubic-bezier(.22,.8,.2,1);display:grid}.z-faq-item[data-open=true] .z-faq-panel{grid-template-rows:1fr}.z-faq-panel>div{overflow:hidden}.z-faq-panel p{max-width:620px;color:var(--zentudia-muted);opacity:0;margin:0;padding:0 40px 24px 0;font-size:15px;line-height:1.75;transition:opacity .35s,transform .45s cubic-bezier(.22,.8,.2,1);transform:translateY(-4px)}.z-faq-item[data-open=true] .z-faq-panel p{opacity:1;transition-delay:80ms;transform:none}@media (width<=899px){.z-faq{padding:64px 0 72px}.z-faq-cta{max-width:none;margin-top:24px}.z-faq .z-faq-grid{grid-template-columns:1fr;gap:36px}.z-faq-head{position:static}.z-faq-item:before{left:-12px}.z-faq-item button{padding:18px 0;font-size:16px}.z-faq-panel p{padding-right:0}}@media (prefers-reduced-motion:reduce){.z-faq-item:before,.z-faq-item button svg,.z-faq-panel,.z-faq-panel p{transition:none}}.z-final{background:var(--zentudia-paper);padding:24px 0 88px}.z-final-card{--lp-ink:var(--zentudia-on-night);--lp-muted:var(--zentudia-night-muted);--lp-line:var(--zentudia-night-line);isolation:isolate;background:var(--zentudia-night);color:var(--zentudia-on-night);border-radius:28px;grid-template-columns:minmax(0,6fr) minmax(0,5fr);align-items:center;gap:clamp(36px,6vw,88px);padding:clamp(36px,6vw,72px);display:grid;position:relative;overflow:hidden;box-shadow:0 50px 90px -50px oklch(20% .08 285/.7)}.z-final-card:before{content:"";z-index:-1;background:radial-gradient(oklch(100% 0 0/.07) 1px,#0000 1.2px) 0 0/24px 24px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(80% 90% at 20% 30%,#000 10%,#0000 75%);mask-image:radial-gradient(80% 90% at 20% 30%,#000 10%,#0000 75%)}.z-final-mark{align-items:flex-end;gap:5px;height:30px;margin-bottom:26px;display:inline-flex}.z-final-mark i{background:linear-gradient(#c3c0ff,#6f69f0);border-radius:4px;width:7px;animation:2.4s ease-in-out infinite z-final-bar}.z-final-mark i:first-child{height:18px}.z-final-mark i:nth-child(2){height:30px;animation-delay:-.8s}.z-final-mark i:nth-child(3){height:23px;animation-delay:-1.6s}@keyframes z-final-bar{0%,to{transform:scaleY(1)}50%{transform:scaleY(.6)}}.z-final-mark i{transform-origin:50% 100%}.z-final-kicker{letter-spacing:.08em;text-transform:uppercase;color:var(--zentudia-mint);margin-bottom:16px;font-size:12px;font-weight:560;display:block}.z-final-copy h2{letter-spacing:-.03em;max-width:520px;color:var(--zentudia-on-night);margin:0;font-size:clamp(34px,4.2vw,52px);font-weight:500;line-height:1.08}.z-final-copy>p{max-width:440px;color:var(--zentudia-night-muted);margin:18px 0 0;font-size:16px;line-height:1.7}.z-final-copy ul{gap:10px;margin:28px 0 0;padding:0;list-style:none;display:grid}.z-final-copy li{color:var(--zentudia-night-muted);padding-left:26px;font-size:14px;position:relative}.z-final-copy li:before{content:"";background:oklch(88% .12 163/.16) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%237ee8bd' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 8.5l2.6 2.6L12 5.6'/%3E%3C/svg%3E") 50%/10px no-repeat;border-radius:50%;width:14px;height:14px;position:absolute;top:4px;left:0}.z-final-form{border:1px solid var(--zentudia-night-line);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:oklch(100% 0 0/.035);border-radius:20px;padding:28px}.z-final-form .lp-waitlist-form{max-width:none;margin-top:0}.z-final-form .lp-field-label{color:var(--zentudia-on-night)}.z-final-form .lp-waitlist-row{flex-direction:column;gap:12px}.z-final-form .lp-waitlist-row input[type=email]{width:100%;height:52px;color:var(--zentudia-on-night);background:oklch(100% 0 0/.06);border:1px solid oklch(100% 0 0/.22);border-radius:12px;flex:none;padding:0 16px;transition:border-color .2s,background .2s}.z-final-form .lp-waitlist-row input[type=email]:hover{border-color:oklch(100% 0 0/.4)}.z-final-form .lp-waitlist-row input[type=email]:focus-visible{outline:2px solid var(--zentudia-mint);outline-offset:2px;background:oklch(100% 0 0/.09)}.z-final-form .lp-waitlist-row .lp-button{width:100%;height:52px;color:var(--zentudia-mint-ink);background:var(--zentudia-mint);border:0;border-radius:12px;font-size:15px;font-weight:560;transition:transform .25s cubic-bezier(.22,.8,.2,1),filter .25s,box-shadow .25s;box-shadow:0 14px 30px -14px oklch(88% .12 163/.7)}.z-final-form .lp-waitlist-row .lp-button:hover:not(:disabled){filter:brightness(1.04);transform:translateY(-1px)}.z-final-form .lp-waitlist-row .lp-button:disabled{opacity:.7;cursor:progress}.z-final-form .lp-waitlist-row .lp-button:focus-visible{outline:2px solid var(--zentudia-on-night);outline-offset:3px}.z-final-form .lp-consent{color:var(--zentudia-night-muted)}.z-final-form .lp-consent input{accent-color:#7ee8bd}.z-final-form .lp-consent input:focus-visible{outline-color:var(--zentudia-mint)}.z-final-form .lp-privacy-link{color:#b9b6ff}.z-final-form .lp-waitlist-message{color:#ff9b9b}.z-final-form .lp-waitlist-message.is-success{color:var(--zentudia-mint)}@media (width<=899px){.z-final{padding:8px 0 56px}.z-final-card{border-radius:22px;grid-template-columns:1fr}.z-final-form{padding:20px}}@media (prefers-reduced-motion:reduce){.z-final-mark i{animation:none}}.lp-zentudia .lp-footer{padding-top:8px;padding-bottom:28px}.lp-zentudia .lp-footer nav a{transition:color .2s}.lp-zentudia .lp-footer nav a:hover{color:var(--zentudia-ink);text-underline-offset:4px;text-decoration:underline}.lp-zentudia{--lp-ink:var(--zentudia-ink);--lp-muted:var(--zentudia-muted);--lp-line:var(--zentudia-rule);background:var(--zentudia-paper);color:var(--zentudia-ink)}.lp-zentudia :is(h1,h2,h3,h4,p,a,button,span,small){letter-spacing:0}.lp-zentudia :is(h1,h2,h3,h4){text-wrap:balance;font-family:Geist,Segoe UI,sans-serif}.lp-zentudia .lp-container{width:min(1160px,100% - 64px)}.lp-zentudia .z-premium-header{background:var(--zentudia-night);border-bottom:1px solid var(--zentudia-night-line);color:var(--zentudia-on-night);transition:background .25s,color .25s;position:fixed;inset:0 0 auto}.lp-zentudia .z-premium-header.is-scrolled{background:color-mix(in oklab,var(--zentudia-paper) 95%,transparent);color:var(--zentudia-ink);border-color:var(--zentudia-rule);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.lp-zentudia .lp-nav{height:76px}.lp-zentudia .lp-logo{font-size:24px}.lp-zentudia .z-premium-header .lp-logo,.lp-zentudia .z-premium-header .lp-nav-links a,.lp-zentudia .z-premium-header .lp-login,.lp-zentudia .z-premium-header .lp-language{color:inherit}.lp-zentudia .lp-nav-links{gap:24px;font-size:13px}.lp-zentudia .lp-nav-actions{gap:18px}.lp-zentudia .lp-login{font-size:12px}.lp-zentudia .lp-nav-cta{background:var(--zentudia-mint);color:var(--zentudia-mint-ink);border:0;border-radius:6px;padding:12px 16px;font-size:12px}.z-menu-button{display:none}.z-mobile-nav{border-top:1px solid var(--zentudia-rule);background:var(--zentudia-paper);color:var(--zentudia-ink);gap:20px;padding:24px 32px;display:grid}.lp-zentudia .z-premium-hero{isolation:isolate;background:var(--zentudia-night);color:var(--zentudia-on-night);padding:0;position:relative;overflow:hidden}.lp-zentudia .z-premium-hero:before,.lp-zentudia .z-premium-hero:after{display:none}.lp-zentudia .lp-z-hero .lp-hero-copy{z-index:2;text-align:center;max-width:900px;padding-top:100px;padding-bottom:24px;position:relative}.lp-zentudia .lp-z-hero .lp-hero-copy>p{margin-inline:auto}.lp-zentudia .lp-z-hero .lp-hero-actions{justify-content:center}.lp-zentudia .lp-z-hero h1{max-width:none;margin:0}.z-hero-eyebrow{color:var(--zentudia-night-muted);margin-bottom:16px;font-size:12px;display:block}.lp-zentudia .lp-hero-copy h1{color:var(--zentudia-on-night);margin:0;font-size:64px;font-weight:550;line-height:1.05}.lp-zentudia .lp-z-hero h1>span{color:var(--zentudia-on-night);margin-top:12px;font-size:34px;font-weight:450;line-height:1.15;display:block}.lp-zentudia .lp-hero-copy>p{color:var(--zentudia-night-muted);max-width:580px;margin:24px auto 0;font-size:16px;line-height:1.7}.lp-zentudia .lp-hero-actions{gap:16px;margin-top:28px}.lp-zentudia .lp-button{white-space:normal;border-radius:6px;height:auto}.lp-zentudia .z-hero-primary{color:var(--zentudia-mint-ink);background:var(--zentudia-mint);border:1px solid var(--zentudia-mint);padding:15px 22px;font-size:13px}.lp-zentudia .z-hero-secondary{color:var(--zentudia-on-night);border:1px solid var(--zentudia-night-line);background:0 0;padding:15px 20px;font-size:13px}.lp-zentudia .z-hero-secondary:hover{background:var(--zentudia-night-raised)}.lp-zentudia .lp-z-hero .lp-hero-copy .lp-z-note{max-width:none;margin:18px auto 0;font-size:11px}.z-study-objects{pointer-events:none;z-index:0;height:780px;position:absolute;inset:280px 0 0}.z-study-objects canvas{z-index:1;position:relative}.z-static-objects{perspective:1000px;position:absolute;inset:0}.z-static-objects i{border:1px solid var(--zentudia-night-line);background:linear-gradient(120deg,color-mix(in oklab,var(--zentudia-mint) 12%,transparent),transparent);width:110px;height:160px;box-shadow:inset 1px 1px 0 var(--zentudia-night-line);border-radius:8px;display:block;position:absolute}.z-static-objects i:first-child{top:40%;left:3%;transform:rotateY(35deg)rotate(-24deg)}.z-static-objects i:nth-child(2){top:25%;right:3%;transform:rotateY(-35deg)rotate(22deg)}.z-static-objects i:nth-child(3){width:85px;height:65px;top:58%;right:5%;transform:rotateY(-30deg)rotate(-12deg)}.z-study-objects:has(canvas) .z-static-objects{visibility:hidden}.lp-zentudia .z-hero-product{z-index:1;max-width:960px;padding:0;position:relative}.z-product-caption{color:var(--zentudia-night-muted);justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px;font-size:11px;display:flex}.z-product-caption>span:first-child{color:var(--zentudia-on-night);align-items:center;gap:8px;display:flex}.z-status-dot{background:var(--zentudia-mint);border-radius:50%;width:6px;height:6px;display:inline-block}.z-hero-product-frame{border:1px solid var(--zentudia-night-line);max-height:clamp(180px,100svh - 630px,400px);box-shadow:var(--zentudia-hero-shadow);background:var(--zentudia-paper);border-radius:8px;position:relative;overflow:auto}.z-hero-zoom{float:right;z-index:2;background:var(--landing-card);color:var(--zentudia-ink);margin:12px 12px -48px 0;position:sticky;top:12px;right:12px}.z-hero-product-frame>img{width:100%;height:auto;display:block}.z-image-footer{text-align:center;background:var(--zentudia-night-raised);color:var(--zentudia-night-muted);padding:10px 12px;font-size:10px;display:block}.lp-zentudia .lp-hero-foot{z-index:2;color:var(--zentudia-night-muted);margin-top:0;padding:20px 0;font-size:11px;position:relative}.lp-zentudia .lp-hero-foot a{color:var(--zentudia-on-night)}.lp-zentudia main section[id]{scroll-margin-top:96px}.lp-zentudia .lp-z-flow{padding-block:96px;position:relative}.lp-zentudia .lp-z-flow>.lp-section-heading,.lp-zentudia .lp-z-flow .lp-z-flow-grid{z-index:1;position:relative}.lp-zentudia .lp-section-heading{text-align:left;max-width:740px;margin:0}.lp-zentudia .lp-section-heading h2{color:var(--zentudia-ink);margin:0;font-size:48px;font-weight:500;line-height:1.12}.lp-zentudia .lp-section-heading p{color:var(--zentudia-muted);margin-top:20px;font-size:16px;line-height:1.7}.lp-zentudia .lp-kicker{color:var(--zentudia-muted);margin-bottom:18px;font-size:11px}.lp-zentudia .z-premium-flow{border:0;gap:56px;margin-top:56px}.lp-zentudia .z-premium-flow article{box-shadow:none;background:0 0;border:0;border-radius:0;flex-direction:column;align-items:flex-start;padding:0;display:flex;position:relative}.lp-zentudia .z-flow-badge{z-index:2;width:44px;height:44px;color:var(--lp-blue);background:linear-gradient(160deg,#eef0fb,#dfe3f7);border-radius:50%;justify-content:center;align-items:center;font-size:13px;font-weight:600;display:inline-flex;position:absolute;top:-16px;left:-16px;box-shadow:0 1px 3px #3f377824,inset 0 1px #ffffffe6}.lp-zentudia .z-flow-glass{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:linear-gradient(155deg,#fffffff0 0%,#f1f2fccc 45%,#e3e1f99e 100%);border-radius:26px;justify-content:center;align-items:center;width:100%;max-width:270px;min-height:196px;transition:transform .3s,box-shadow .3s;display:flex;position:relative;box-shadow:0 26px 50px -24px #463a9661,0 8px 20px -14px #463a9638,inset 0 1px 1px #fffffff2,inset 0 -1px 1px #786ec82e}.lp-zentudia .z-flow-glass:after{content:"";border-radius:inherit;pointer-events:none;background:linear-gradient(200deg,#ffffffa6,#0000 40%);position:absolute;inset:0}.lp-zentudia .z-flow-glass svg{color:var(--lp-blue);filter:drop-shadow(0 10px 14px #6654dc59);transition:transform .3s}.lp-zentudia .z-premium-flow article:hover .z-flow-glass{transform:translateY(-4px);box-shadow:0 34px 58px -24px #463a9673,0 10px 24px -14px #463a9642,inset 0 1px 1px #fffffff2,inset 0 -1px 1px #786ec82e}.lp-zentudia .z-premium-flow article:hover .z-flow-glass svg{transform:scale(1.06)}.z-premium-flow h3{margin:22px 0 10px;font-size:23px;font-weight:500}.lp-zentudia .z-premium-flow p{color:var(--zentudia-muted);max-width:300px;margin:0;font-size:14px;line-height:1.8}.z-demo-section{margin-top:64px}.z-demo-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px;display:flex}.z-demo-heading h3{margin:0;font-size:24px;font-weight:500}.z-demo-heading>span{color:var(--zentudia-muted);font-size:12px}.z-study-preview{border:1px solid var(--zentudia-rule);background:var(--zentudia-paper);box-shadow:var(--zentudia-shadow);border-radius:8px;overflow:hidden}.z-preview-label{background:var(--zentudia-night);color:var(--zentudia-on-night);flex-wrap:wrap;justify-content:space-between;gap:8px 20px;padding:14px 24px;font-size:12px;display:flex}.z-preview-label small{color:var(--zentudia-night-muted);font-size:11px}.z-preview-label details{width:100%;min-width:0;color:var(--zentudia-night-muted)}.z-preview-label summary{cursor:pointer;color:var(--zentudia-on-night)}.z-preview-label code{overflow-wrap:anywhere}.z-preview-label p{margin:10px 0;line-height:1.7}.z-desktop-shell{background:var(--landing-alt);grid-template-columns:180px minmax(0,1fr);min-height:780px;display:grid}.z-demo-sidebar{border-right:1px solid var(--zentudia-rule);background:var(--landing-card);min-width:0;color:var(--zentudia-muted);flex-direction:column;gap:10px;padding:16px 12px;font-size:11px;display:flex;position:relative}.z-demo-brand{color:var(--zentudia-ink);align-items:center;gap:7px;margin-bottom:4px;font-size:12px;display:flex}.z-demo-brand>svg{box-sizing:content-box;color:var(--zentudia-on-night);background:var(--lp-blue);border-radius:4px;padding:4px}.z-demo-search{border:1px solid var(--zentudia-rule);background:var(--landing-card);border-radius:4px;align-items:center;gap:7px;padding:8px;display:flex}.z-demo-nav-row,.z-demo-course{min-height:25px;color:var(--zentudia-ink);align-items:center;gap:7px;padding:3px 6px;display:flex}.z-demo-sidebar>small{margin-top:8px;font-size:8px}.z-demo-course i{background:var(--zentudia-success);border-radius:50%;width:5px;height:5px}.z-demo-course.is-open svg{transform:rotate(90deg)}.z-demo-lecture{text-overflow:ellipsis;white-space:nowrap;margin-left:21px;padding:6px;overflow:hidden}.z-demo-lecture.is-active{border-left:2px solid var(--lp-blue);color:var(--lp-blue);background:var(--zentudia-note-wash);border-radius:3px}.z-demo-sidebar-bottom{border-top:1px solid var(--zentudia-rule);gap:8px;margin-top:auto;padding-top:12px;display:grid}.z-demo-sidebar-bottom>div:first-child{grid-template-columns:1fr 1fr;gap:5px;display:grid}.z-demo-sidebar-bottom span{border:1px solid var(--zentudia-rule);color:var(--zentudia-ink);border-radius:4px;justify-content:center;align-items:center;gap:4px;padding:7px 3px;display:flex}.z-demo-sidebar-bottom .is-primary{color:var(--zentudia-on-night);background:var(--lp-blue)}.z-demo-workspace{min-width:0;padding:20px 24px 96px}.z-demo-lecture-head{grid-template-columns:1fr auto;gap:10px;padding-top:20px;display:grid;position:relative}.z-demo-back{color:var(--zentudia-muted);font-size:10px;position:absolute;top:0;left:0}.z-demo-lecture-head h3{margin:8px 0 2px;font-size:18px;font-weight:600}.z-demo-lecture-head div>span{color:var(--zentudia-muted);font-size:9px}.z-demo-lecture-head em{border:1px solid color-mix(in oklab,var(--zentudia-success) 35%,var(--zentudia-rule));color:var(--zentudia-success);background:color-mix(in oklab,var(--zentudia-success) 8%,var(--landing-card));border-radius:999px;align-self:center;padding:5px 8px;font-size:8px;font-style:normal}.z-demo-pipeline{border:1px solid var(--zentudia-rule);background:var(--landing-card);border-radius:5px;justify-items:end;gap:8px;margin-top:18px;padding:14px;display:grid}.z-pipeline-steps{justify-self:stretch;align-items:center;gap:8px;display:flex;overflow:hidden}.z-pipeline-steps span{color:var(--zentudia-success);white-space:nowrap;align-items:center;gap:3px;font-size:9px;display:flex}.z-pipeline-steps span:not(:last-child):after{content:"—";color:var(--zentudia-rule);margin-left:5px}.z-pipeline-actions{gap:7px;display:flex}.z-pipeline-actions button{min-height:30px;padding:5px 10px;font-size:9px}.z-demo-pipeline>small{color:var(--zentudia-muted);font-size:8px}.z-demo-sources{border:1px solid var(--zentudia-rule);background:var(--landing-card);color:var(--zentudia-muted);border-radius:5px;justify-content:space-between;align-items:center;margin-top:10px;padding:8px 12px;font-size:9px;display:flex}.z-demo-sources b{color:var(--zentudia-ink);margin-right:8px}.z-demo-sources u{color:var(--lp-blue);margin-left:5px;text-decoration:none}.z-demo-sources button{min-height:30px;font-size:9px}.z-demo-workspace>.z-preview-tabs{margin:8px 0 0}.z-preview-chrome{border-bottom:1px solid var(--zentudia-rule);justify-content:space-between;align-items:center;padding:24px 32px;font-size:14px;display:flex}.z-preview-chrome>span>span{color:var(--zentudia-muted);margin:0 10px}.z-preview-chrome>span:last-child{color:var(--zentudia-muted);font-size:12px}.z-preview-tabs{border-bottom:1px solid var(--zentudia-rule);gap:18px;margin:0 32px;display:flex}.z-preview-tabs button{height:auto;color:var(--zentudia-muted);box-shadow:none;background:0 0;border:0;border-bottom:2px solid #0000;border-radius:0;padding:16px 4px;font-size:14px}.z-preview-tabs button[aria-selected=true]{color:var(--lp-blue);border-color:var(--lp-blue)}.z-preview-content{background:var(--landing-alt);min-height:450px;color:var(--zentudia-ink);padding:24px 0 0}.z-preview-content button{border-radius:6px}.z-real-note{grid-template-columns:minmax(0,1fr) 220px;gap:28px;display:grid}.z-real-note article{background:var(--landing-card);border:1px solid var(--zentudia-rule);border-radius:6px;padding:28px}.z-note-quality{border-left:3px solid var(--zentudia-success);background:color-mix(in oklab,var(--zentudia-success) 9%,var(--landing-card));border-radius:4px;gap:4px;margin:0 0 24px;padding:12px 14px;font-size:10px;display:grid}.z-note-quality span{color:var(--zentudia-muted)}.z-note-eyebrow{color:var(--lp-blue);text-transform:uppercase;margin-bottom:10px;font-size:11px}.z-real-note h3{margin:0 0 25px;font-size:27px;font-weight:550}.z-real-note section{border-top:1px solid var(--zentudia-rule);padding:18px 0;scroll-margin-top:100px}.z-real-note section h4{margin:0 0 14px;font-size:15px;font-weight:500}.z-real-note section p{color:var(--zentudia-muted);margin:8px 0 0;font-size:14px}.z-real-note section b{font-size:14px;font-weight:500}.z-real-note :is(h4,b)>small{color:var(--zentudia-muted);margin-left:5px;font-size:8px}.z-real-note .z-note-goal{background:var(--zentudia-note-wash);border:0;border-radius:6px;margin-bottom:12px;padding:20px}.z-note-goal small{text-transform:uppercase;color:var(--lp-blue);font-size:10px}.z-real-note nav{color:var(--zentudia-muted);flex-direction:column;gap:14px;padding-top:20px;font-size:11px;display:flex}.z-real-note nav strong{color:var(--zentudia-ink);font-size:10px;font-weight:500}.z-real-note nav a:hover{color:var(--lp-blue)}.z-transcript-placeholder{text-align:center;max-width:560px;color:var(--zentudia-muted);justify-items:center;gap:12px;margin:60px auto;display:grid}.z-transcript-placeholder h3,.z-transcript-placeholder p{margin:0}.z-transcript-placeholder p{font-size:13px;line-height:1.7}.z-real-flash-session,.z-real-quiz{max-width:700px;margin:0 auto}.z-session-progress{color:var(--zentudia-muted);border-top:3px solid var(--lp-blue);justify-content:space-between;padding:18px 0;font-size:12px;display:flex}.z-session-progress>span:last-child{align-items:center;gap:10px;display:flex}.z-flash-shell{perspective:1400px;position:relative}.z-preview-content .z-flash-button{white-space:normal;background:0 0;border:0;width:100%;height:310px;padding:0;display:block}.z-flash-inner{width:100%;height:100%;transform-style:preserve-3d;transition:transform .42s var(--ease-premium);display:block;position:relative}.z-flash-shell[data-flipped] .z-flash-inner{transform:rotateY(180deg)}.z-flash-face{border:1px solid var(--zentudia-rule);background:var(--landing-card);backface-visibility:hidden;border-radius:8px;grid-template-rows:auto 1fr auto;place-items:center;padding:25px 32px;display:grid;position:absolute;inset:0}.z-flash-face small{text-transform:uppercase;color:var(--zentudia-muted);justify-self:start;font-size:11px}.z-flash-face strong{text-align:center;text-wrap:balance;font-size:28px;font-weight:550;line-height:1.4}.z-flash-face>span{color:var(--zentudia-muted);font-size:12px}.z-flash-face[data-side=back]{background:var(--zentudia-note-wash);transform:rotateY(180deg)}.z-flash-face[data-side=back] strong{font-size:24px}.z-session-actions{justify-content:center;gap:16px;margin-top:24px;display:flex}.z-session-actions button{width:100%}.z-keyboard-hints{color:var(--zentudia-muted);text-align:center;margin:12px 0 0;font-size:9px}.z-keyboard-hints kbd{border:1px solid var(--zentudia-rule);background:var(--landing-card);border-radius:3px;padding:2px 5px;font-size:8px}.z-real-quiz fieldset{border:1px solid var(--zentudia-rule);background:var(--landing-card);border-radius:8px;margin-bottom:20px;padding:24px}.z-real-quiz legend{float:left;gap:10px;width:100%;margin:0 0 24px;font-size:24px;font-weight:500;line-height:1.4;display:grid}.z-real-quiz legend small{color:var(--zentudia-muted);text-transform:uppercase;font-size:10px}.z-real-quiz label{clear:both;background:var(--landing-alt);border:1px solid var(--zentudia-rule);cursor:pointer;border-radius:6px;align-items:center;gap:14px;min-height:60px;margin-top:12px;padding:12px 16px;font-size:15px;display:flex}.z-real-quiz label>span{border:1px solid var(--zentudia-rule);background:var(--landing-card);border-radius:4px;padding:4px 8px}.z-real-quiz label[data-state=selected]{border-color:var(--lp-blue)}.z-real-quiz label[data-state=correct]{background:var(--zentudia-correct)}.z-real-quiz label[data-state=wrong]{background:var(--zentudia-wrong)}.z-real-quiz fieldset>button{float:right;margin-top:18px}.z-answer-feedback{margin-bottom:20px;font-size:14px}.z-answer-feedback p{margin:8px 0}.z-quiz-result{text-align:center;justify-items:center;gap:18px;padding:32px;display:grid}.z-quiz-result h3,.z-quiz-result p{margin:0}.z-quiz-result>strong{font-size:48px}.z-demo-player{border:1px solid color-mix(in oklab,var(--lp-blue) 35%,var(--zentudia-rule));background:var(--landing-card);border-radius:7px;grid-template-columns:auto minmax(150px,1fr) auto minmax(80px,1fr) auto;align-items:center;gap:12px;margin-top:22px;padding:10px 14px;display:grid}.z-demo-player>svg{box-sizing:content-box;color:var(--zentudia-on-night);background:var(--lp-blue);border-radius:6px;padding:8px}.z-demo-player>span{gap:2px;min-width:0;display:grid}.z-demo-player small{color:var(--zentudia-muted);font-size:8px}.z-demo-player b{text-overflow:ellipsis;white-space:nowrap;font-size:10px;overflow:hidden}.z-demo-player button{min-height:34px;font-size:10px}.z-demo-player i{background:var(--zentudia-rule);border-radius:99px;height:3px}.z-demo-player time{color:var(--zentudia-muted);font-size:8px}.z-dialog-close{z-index:2;background:var(--landing-card);margin-bottom:-36px;position:sticky;top:12px;left:calc(100% - 50px)}.lp-zentudia .lp-footer{padding-top:10px}.lp-zentudia .lp-footer-top p{font-size:13px}.lp-zentudia .lp-footer nav{font-size:12px}.lp-zentudia :is(button,a,input):focus-visible{outline:2px solid var(--brand-light);outline-offset:4px}@media (width>=1600px){.z-study-objects{width:1440px;left:50%;transform:translate(-50%)}}@media (width<=1000px){.lp-zentudia .lp-nav-links,.lp-zentudia .lp-login{display:none}.z-menu-button{display:inline-flex}.lp-zentudia .lp-hero-copy h1{font-size:72px}.lp-zentudia .lp-hero-copy h1>span{font-size:38px}.z-study-objects{height:600px;inset:330px -140px auto}.z-product-caption{flex-wrap:wrap}}@media (width<=650px){.lp-zentudia .lp-container{width:calc(100% - 36px)}.lp-zentudia .lp-nav{height:64px;min-height:64px}.lp-zentudia .lp-logo{font-size:22px}.lp-zentudia .lp-nav-actions{gap:12px}.lp-zentudia .lp-nav-cta{display:none}.lp-zentudia .lp-z-hero .lp-hero-copy{padding-top:92px;padding-bottom:24px}.z-hero-eyebrow{margin-bottom:20px;font-size:11px}.lp-zentudia .lp-hero-copy h1{font-size:48px}.lp-zentudia .lp-z-hero h1>span{margin-top:12px;font-size:26px;line-height:1.2}.lp-zentudia .lp-hero-copy>p{margin-top:20px;font-size:14px}.lp-zentudia .lp-hero-actions{flex-direction:column;align-items:stretch;gap:10px}.lp-zentudia .lp-z-hero .lp-hero-copy .lp-z-note{margin-top:12px;font-size:10px;line-height:1.7}.z-study-objects{opacity:.65;height:360px;inset:460px -100px auto}.z-product-caption{gap:6px;margin-bottom:10px;font-size:10px}.z-product-caption>span:last-child{font-size:9px}.z-hero-product-frame{border-radius:6px;max-height:140px}.z-image-footer{font-size:9px}.lp-zentudia .lp-hero-foot{padding:24px 0;font-size:10px}.lp-zentudia .lp-hero-foot>span:last-child{display:none}.lp-zentudia .lp-z-flow{padding-block:64px}.lp-zentudia .lp-section-heading h2{font-size:36px}.lp-zentudia .lp-section-heading p{font-size:14px}.lp-zentudia .z-premium-flow{grid-template-columns:1fr;gap:34px;margin-top:32px}.lp-zentudia .z-premium-flow article{text-align:center;align-items:center}.lp-zentudia .z-premium-flow p{max-width:340px}.lp-zentudia .z-flow-glass{max-width:220px;min-height:158px}.lp-zentudia .z-flow-badge{width:38px;height:38px;margin-bottom:14px}.z-demo-heading{flex-direction:column;align-items:start;gap:10px}.z-demo-heading h3{font-size:23px}.z-preview-label{padding:14px 18px}.z-desktop-shell{min-height:0;display:block}.z-demo-sidebar{display:none}.z-demo-workspace{padding:14px 12px 76px}.z-demo-lecture-head{grid-template-columns:1fr}.z-demo-lecture-head em{justify-self:start}.z-pipeline-steps{padding-bottom:4px;overflow-x:auto}.z-pipeline-actions{justify-self:stretch}.z-pipeline-actions button{flex:1}.z-demo-pipeline>small{justify-self:start}.z-demo-sources{gap:8px}.z-preview-chrome{padding:18px;font-size:12px}.z-preview-chrome>span:last-child{display:none}.z-preview-tabs{gap:16px;margin:0 18px}.z-preview-tabs button{font-size:12px}.z-preview-content{min-height:540px;padding-top:18px}.z-real-note{flex-direction:column-reverse;gap:16px;display:flex}.z-real-note nav{flex-flow:wrap;gap:10px;padding:0;font-size:10px}.z-real-note article{padding:18px}.z-real-note h3{font-size:22px}.z-flash-face{padding:20px}.z-flash-face strong{font-size:24px}.z-flash-face[data-side=back] strong{font-size:20px}.z-flash-face>span{font-size:10px}.z-real-quiz legend{font-size:22px}.z-real-quiz fieldset{padding:18px}.z-real-quiz label{gap:8px;padding:12px;font-size:14px}.z-demo-player{grid-template-columns:auto minmax(0,1fr) auto}.z-demo-player i,.z-demo-player time{display:none}}@media (prefers-reduced-motion:reduce){.z-flash-inner,.z-flash-shell[data-flipped] .z-flash-inner{transition:none;transform:none}.lp-zentudia .z-flow-glass,.lp-zentudia .z-flow-glass svg{transition:none!important;transform:none!important}.z-flash-face[data-side=back]{display:none;transform:none}.z-flash-shell[data-flipped] .z-flash-face[data-side=front]{display:none}.z-flash-shell[data-flipped] .z-flash-face[data-side=back]{display:grid}}.lp-zentudia .z-flow-glass{flex-direction:column;gap:10px;min-height:250px;padding:26px 20px 24px}.lp-zentudia .z-flow-glass img{z-index:1;object-fit:contain;filter:drop-shadow(0 14px 18px #6654dc52);width:118px;height:118px;transition:transform .3s;position:relative}.lp-zentudia .z-premium-flow article:hover .z-flow-glass img{transform:scale(1.06)translateY(-2px)}.lp-zentudia .z-premium-flow .z-flow-glass h3{z-index:1;color:var(--zentudia-ink,#1b1838);margin:0;font-size:24px;font-weight:700;position:relative}.lp-zentudia .z-premium-flow article>p{text-align:center;margin:18px auto 0}.lp-zentudia .z-premium-flow article{flex-direction:column;align-items:center;display:flex}@media (width<=700px){.lp-zentudia .z-flow-glass{min-height:200px}.lp-zentudia .z-flow-glass img{width:92px;height:92px}}@media (prefers-reduced-motion:reduce){.lp-zentudia .z-flow-glass img{transition:none;transform:none!important}}.lp-zentudia .z-premium-flow article{width:100%;max-width:270px;margin-inline:auto;position:relative}.lp-zentudia.z-paper-landing .z-premium-header{color:#24242d;box-shadow:none;background:0 0;border:0;padding:0;position:absolute}.lp-zentudia.z-paper-landing .lp-nav{width:min(1330px,100% - 104px);height:76px;min-height:76px}.lp-zentudia.z-paper-landing .lp-logo{letter-spacing:-.8px;gap:24px;font-size:30px}.lp-zentudia.z-paper-landing .lp-logo .lp-brand-mark{gap:5px;width:42px;height:32px;transform:none}.lp-zentudia.z-paper-landing .lp-logo .lp-brand-mark i{background:#543cff;border-radius:3px;width:8px;height:30px}.lp-zentudia.z-paper-landing .lp-nav-links{gap:44px;margin-left:auto;margin-right:auto;font-size:16px}.lp-zentudia.z-paper-landing .lp-nav-actions{gap:44px}.z-hero-languages{align-items:center;gap:6px;font-size:15px;display:flex}.z-hero-languages a{color:#77758c}.z-hero-languages a[aria-current]{color:#24242d}.z-hero-languages span{color:#9592a7}.lp-zentudia.z-paper-landing .lp-nav .lp-nav-cta{color:#fff;background:#6250d8;border:1px solid #6250d8;border-radius:9px;min-height:48px;padding:12px 25px;font-size:15px;font-weight:500}.z-paper-hero{color:#343341;background:radial-gradient(at 76% 49%,#e8e2fb 0,#f4f1fd 34%,#0000 66%),radial-gradient(at 20% 36%,#fff 0,#0000 58%),#faf9ff;position:relative;overflow:hidden}.z-paper-hero-inner{align-items:center;width:min(1330px,100% - 104px);min-height:740px;margin:auto;padding-top:110px;display:flex;position:relative}.z-paper-copy{z-index:1;width:57%;padding-bottom:8px;position:relative}.lp-zentudia.z-paper-landing .z-paper-copy h1{letter-spacing:-.045em;text-wrap:nowrap;margin:0;font-family:Inter,Segoe UI,sans-serif;font-size:clamp(52px,5.05vw,78px);font-weight:500;line-height:1.12}.z-paper-copy h1 span{color:#6250d8;-webkit-text-fill-color:transparent;background:linear-gradient(115deg,#5744cc 10%,#7763e5 90%);-webkit-background-clip:text;background-clip:text;margin-top:4px;display:block}.lp-zentudia.z-paper-landing .z-paper-copy p{letter-spacing:-.015em;color:#5b596b;max-width:660px;margin:30px 0 0;font-size:clamp(18px,1.48vw,23px);line-height:1.6}.z-paper-actions{gap:16px;margin-top:36px;display:flex}.z-paper-button{border:1px solid #d9d3ef;border-radius:12px;justify-content:center;align-items:center;gap:18px;min-height:56px;padding:15px 24px;font-size:16px;font-weight:500;transition:background .2s,box-shadow .2s,transform .2s;display:inline-flex}.lp-zentudia.z-paper-landing .z-paper-button-primary{color:#fff;background:linear-gradient(#7360e6,#5b47cc);border-color:#604dd0;box-shadow:inset 0 1px #ffffff40,0 4px 8px #4d3d9812,0 10px 24px #4d3d981a}.lp-zentudia.z-paper-landing .z-paper-button-secondary{color:#514384;background:#ffffffb3;box-shadow:inset 0 1px #fff,0 3px 8px #3d305909}.lp-zentudia.z-paper-landing .z-paper-button-primary:hover{background:linear-gradient(#6954de,#5440c3);transform:translateY(-1px);box-shadow:inset 0 1px #ffffff40,0 8px 24px #4d3d9826}.lp-zentudia.z-paper-landing .z-paper-button-secondary:hover{background:#fff;border-color:#bfb4df;transform:translateY(-1px)}.z-paper-art{pointer-events:none;align-items:center;width:780px;height:735px;display:grid;position:absolute;top:5px;right:-70px}.z-paper-art img{width:100%;height:auto;display:block}@media (width>=1600px){.z-paper-hero-inner{min-height:790px}.z-paper-art{top:30px}}@media (width<=1200px){.lp-zentudia.z-paper-landing .lp-nav,.z-paper-hero-inner{width:calc(100% - 64px)}.lp-zentudia.z-paper-landing .lp-nav-links{gap:26px}.lp-zentudia.z-paper-landing .lp-nav-actions{gap:24px}.z-paper-hero-inner{min-height:650px}.z-paper-art{width:52%;height:560px;right:-20px}.z-paper-copy{width:57%}.z-paper-actions{gap:15px;margin-top:40px}.z-paper-button{gap:14px;min-height:56px;padding:15px 19px;font-size:16px}}@media (width<=800px){.lp-zentudia.z-paper-landing .lp-nav{flex-wrap:nowrap;gap:10px;width:calc(100% - 40px);height:72px;min-height:72px}.lp-zentudia.z-paper-landing .lp-logo{gap:12px;font-size:25px}.lp-zentudia.z-paper-landing .lp-logo .lp-brand-mark{gap:4px;width:30px}.lp-zentudia.z-paper-landing .lp-logo .lp-brand-mark i{width:6px;height:25px}.lp-zentudia.z-paper-landing .lp-nav-actions{gap:18px}.lp-zentudia.z-paper-landing .lp-nav-cta{display:none}.z-paper-hero-inner{flex-direction:column;align-items:stretch;width:calc(100% - 40px);min-height:0;padding-top:130px;display:flex}.z-paper-copy{width:100%;padding:0}.lp-zentudia.z-paper-landing .z-paper-copy h1{letter-spacing:-.045em;font-size:clamp(38px,7.8vw,60px)}.lp-zentudia.z-paper-landing .z-paper-copy p{max-width:580px;margin-top:26px;font-size:18px;line-height:1.6}.z-paper-actions{flex-wrap:wrap;gap:12px;margin-top:30px}.z-paper-button{gap:14px;min-height:52px;padding:13px 18px;font-size:15px}.z-paper-art{width:min(540px,110%);height:auto;margin:10px -5% -8px auto;position:relative;inset:auto}}@media (width<=380px){.lp-zentudia.z-paper-landing .lp-logo{gap:8px;font-size:22px}.lp-zentudia.z-paper-landing .lp-nav-actions{gap:8px}.z-hero-languages{gap:4px;font-size:12px}.z-paper-hero-inner{width:calc(100% - 32px)}.lp-zentudia.z-paper-landing .z-paper-copy h1{font-size:34px}.lp-zentudia.z-paper-landing .z-paper-copy p{font-size:17px}.z-paper-button{gap:10px;padding:12px 14px;font-size:14px}}@media (prefers-reduced-motion:reduce){.z-paper-button{transition:none}.lp-zentudia.z-paper-landing .z-paper-button:hover{transform:none}}@media (forced-colors:active){.z-paper-copy h1 span{-webkit-text-fill-color:currentColor;background:0 0}}.z-laptop-section{background:radial-gradient(at 50% 66%,#e7e1fb 0,#f8f6ff 48%,#fff 78%);padding:58px 0 65px}.z-laptop-container{width:min(1330px,100% - 64px);margin:auto}.z-laptop-heading{justify-content:space-between;align-items:center;gap:32px;margin:0 35px 38px;display:flex}.lp-zentudia .z-laptop-heading h2{letter-spacing:-.04em;font-family:Inter,sans-serif;font-size:38px;font-weight:500;line-height:1.2}.z-laptop-heading p{color:#656276;margin-top:10px;font-size:15px;line-height:1.6}.z-laptop-device{padding:0 55px;position:relative}.z-laptop-lid{background:linear-gradient(160deg,#3b3a44 0,#17171d 45%,#23222b 75%,#3b3a44 100%);border:1px solid #c9c6d4;border-radius:24px 24px 3px 3px;padding:24px 15px 16px;position:relative;box-shadow:inset 0 1px #ffffff2e,inset 0 -1px #0005,0 24px 48px -18px #3a285b40,0 6px 16px #3a285b14}.z-laptop-camera{background:radial-gradient(circle at 35% 35%,#3d4a6b 0,#0c0e18 60%);border-radius:50%;width:7px;height:7px;position:absolute;top:8px;left:50%;box-shadow:0 0 0 2px #00000040,inset 0 0 1px 1px #56617f33}.z-laptop-screen{background:#f5f4f2;border-radius:8px;height:700px;position:relative;overflow:hidden;box-shadow:inset 0 0 0 1px #00000014,inset 0 2px 10px #00000012}.z-laptop-screen:after{content:"";pointer-events:none;border-radius:inherit;background:linear-gradient(105deg,#0000 55%,#ffffff08 70%,#0000 85%);position:absolute;inset:0}.z-laptop-base{--side:55px;z-index:0;margin:0 calc(var(--side) * -1);filter:drop-shadow(0 20px 16px #33254330)drop-shadow(0 4px 5px #33254326);height:84px;position:relative}.z-laptop-base:after{content:"";z-index:-1;clip-path:polygon(var(--side) 0, calc(100% - var(--side)) 0, 100% 76%, calc(100% - 6px) 100%, 6px 100%, 0 76%);background:linear-gradient(#a9a5b6 0,#dedbe7 3px,#d3d0dd 40%,#c5c1d1 74%,#f3f1f7 76.5%,#c9c5d4 84%,#8e8a9d 100%);position:absolute;inset:0}.z-laptop-base:before{content:"";z-index:2;background:linear-gradient(#8f8b9e,#b3afc0);border-radius:0 0 8px 8px;width:120px;height:6px;position:absolute;top:0;left:50%;transform:translate(-50%);box-shadow:inset 0 1px 2px #0003}.z-laptop-keyboard{z-index:1;top:10px;left:calc(var(--side) + 10%);right:calc(var(--side) + 10%);transform-origin:50% 100%;grid-template-rows:repeat(4,1fr);grid-template-columns:repeat(14,1fr);gap:3px;height:42px;display:grid;position:absolute;transform:perspective(600px)rotateX(28deg)}.z-laptop-keyboard i{background:linear-gradient(#45434f,#2a2932);border-radius:1.5px;box-shadow:inset 0 1px #6f6d7b}.z-laptop-trackpad{z-index:1;background:linear-gradient(#c4c0cf,#d6d3df);border-radius:3px;width:18%;height:8px;position:absolute;top:55px;left:50%;transform:translate(-50%);box-shadow:inset 0 1px 1px #0000001f,0 1px #fffa}.z-laptop-disclosure{text-align:center;color:#777187;margin:26px 0 0;font-size:12px}.z-laptop-screen .z-demo-app{color:#2b2933;background:#f5f4f2;border:0;border-radius:0;grid-template-columns:205px minmax(0,1fr);height:100%;font-family:Segoe UI,sans-serif;display:grid}.z-demo-sidebar{background:#f8f7f5;border-right:1px solid #e0deda;padding:22px 12px;position:relative}.z-demo-brand{align-items:center;gap:8px;margin:0 4px 20px;font-size:21px;display:flex}.z-demo-search{color:#777183;background:#fff;border:1px solid #e2dfda;border-radius:5px;align-items:center;gap:6px;margin-bottom:16px;padding:9px 7px;font-size:11px;display:flex}.z-demo-sidebar-label{align-items:center;gap:8px;padding:10px 6px;font-size:13px;display:flex}.z-demo-sidebar-label i{background:#278354;border-radius:50%;width:5px;height:5px}.z-demo-sidebar small{color:#847d89;margin:20px 6px 6px;font-size:10px;display:block}.z-demo-course{color:#5b47d4;background:#ece8fb;border-left:2px solid #6550e6;border-radius:4px;align-items:flex-start;gap:6px;margin-left:12px;padding:9px 7px;font-size:12px;line-height:1.5;display:flex}.z-demo-course svg{flex-shrink:0;margin-top:2px}.z-demo-sidebar-footer{color:#625c6d;gap:17px;font-size:12px;display:grid;position:absolute;bottom:22px;left:18px;right:18px}.z-demo-sidebar-footer span{align-items:center;gap:9px;display:flex}.z-demo-main{scrollbar-width:thin;scrollbar-color:#c4bfe0 transparent;min-width:0;padding:24px 27px 48px;overflow-y:auto;-webkit-mask-image:linear-gradient(#000 0 calc(100% - 22px),#0000 100%);mask-image:linear-gradient(#000 0 calc(100% - 22px),#0000 100%)}.z-demo-main::-webkit-scrollbar{width:6px}.z-demo-main::-webkit-scrollbar-thumb{background:#c4bfe0;border-radius:3px}.z-demo-main::-webkit-scrollbar-track{background:0 0}.z-demo-lecture>span,.z-demo-lecture small{color:#726c7b;font-size:12px}.lp-zentudia .z-demo-lecture h3{letter-spacing:-.025em;margin:15px 0 6px;font-family:inherit;font-size:23px;font-weight:600}.z-demo-stepper{background:#fff;border:1px solid #e5e1dc;border-radius:7px;flex-wrap:wrap;gap:20px;margin-top:18px;padding:14px;display:flex}.z-demo-stepper span{color:#28754e;align-items:center;gap:5px;font-size:11px;display:flex}.z-demo-sources{background:#fff;border:1px solid #e5e1dc;border-radius:7px;align-items:center;gap:8px;margin:12px 0 8px;padding:12px;font-size:12px;display:flex}.z-demo-sources button{color:#5b47d4;cursor:pointer;border-radius:4px;align-items:center;gap:4px;margin-left:auto;padding:6px;display:flex}.z-demo-source-detail{background:#fff;border:1px solid #e5e1dc;border-radius:6px;padding:12px;font-size:12px;line-height:1.6}.z-laptop-screen .z-preview-tabs{gap:25px;margin:0}.z-laptop-screen .z-preview-tabs button{gap:6px;padding:14px 2px;font-size:12px}.z-laptop-screen .z-preview-content{background:0 0;min-height:0;padding:11px 0 0}.z-laptop-screen .z-real-note article{padding:20px 22px}.z-laptop-screen .z-real-note h3{font-size:23px}.z-laptop-screen .z-real-note nav{gap:14px;font-size:11px}.z-laptop-screen .z-real-note section{margin-top:18px}.z-laptop-screen .z-real-note h4{font-size:16px}.z-laptop-screen .z-real-note p{font-size:13px}.z-laptop-screen .z-flash-shell{max-width:620px;height:215px;margin:10px auto}.z-laptop-screen .z-preview-content .z-flash-button{height:215px}.z-laptop-screen .z-flash-face strong{font-size:24px}.z-laptop-screen .z-flash-face[data-side=back] strong{font-size:20px}.z-laptop-screen .z-session-actions button{padding:10px 18px;font-size:13px}.z-demo-ratings{justify-content:center;align-items:stretch;gap:10px;margin-top:15px;display:flex}.z-demo-ratings button{cursor:pointer;color:#993444;white-space:nowrap;background:#fae9ec;border:1px solid #e4b9be;border-radius:9px;justify-content:center;align-items:center;min-height:42px;padding:10px 22px;font-size:13px;font-weight:600;line-height:1.2;transition:transform .15s,box-shadow .15s,background .15s;display:inline-flex}.z-demo-ratings button:hover{transform:translateY(-1px);box-shadow:0 4px 12px #140a1e1f}.z-demo-ratings button[data-rating="1"]{color:#886023;background:#fcf1df;border-color:#e9d2ac}.z-demo-ratings button[data-rating="2"]{color:#287046;background:#e8f4eb;border-color:#bad9c5}.z-demo-ratings button[aria-pressed=true]{outline-offset:2px;outline:2px solid}.z-demo-rating-feedback{text-align:center;color:#70657a;margin-top:12px;font-size:12px}.z-laptop-screen .z-real-quiz legend{font-size:22px}.z-laptop-screen .z-real-quiz label{min-height:45px;font-size:14px}@media (width<=1000px){.z-laptop-device{padding:0 25px}.z-laptop-base{--side:25px}.z-laptop-screen .z-demo-app{grid-template-columns:165px minmax(0,1fr)}.z-demo-main{padding:20px}.z-laptop-screen .z-real-note{grid-template-columns:1fr}.z-laptop-screen .z-real-note nav{display:none}}@media (width<=700px){.z-laptop-section{padding:40px 0}.z-laptop-container{width:calc(100% - 32px)}.z-laptop-heading{margin:0 0 24px;display:block}.lp-zentudia .z-laptop-heading h2{font-size:29px}.z-laptop-heading p{font-size:13px}.z-laptop-device{padding:0}.z-laptop-lid{background:#fff;border:1px solid #e1dbed;border-radius:12px;padding:0;overflow:hidden;box-shadow:0 10px 30px #3a285b12}.z-laptop-base,.z-laptop-camera,.z-demo-sidebar{display:none}.z-laptop-screen{border-radius:0;height:620px}.z-laptop-screen .z-demo-app{grid-template-columns:1fr}.z-demo-main{padding:18px 14px}.z-demo-lecture h3{font-size:20px}.z-demo-stepper{gap:10px;padding:10px}.z-demo-stepper span{font-size:10px}.z-laptop-screen .z-preview-tabs{gap:18px}.z-laptop-screen .z-real-note{display:block}.z-laptop-screen .z-real-note article{padding:18px}.z-laptop-screen .z-flash-face{padding:20px 15px}.z-laptop-screen .z-flash-face strong{font-size:21px}.z-laptop-screen .z-flash-face[data-side=back] strong{font-size:18px}.z-demo-ratings{gap:8px}.z-demo-ratings button{white-space:nowrap;padding:10px 15px}.z-laptop-disclosure{margin-top:18px;font-size:11px;line-height:1.6}}.z-laptop-screen .z-demo-app{color:#302f3d;background:#f8f9fc;font-family:Inter,Segoe UI,sans-serif}.z-demo-sidebar{background:#f2f3f8;border-color:#e5e6ef;padding:25px 16px}.z-demo-brand{letter-spacing:-.7px;gap:10px;margin-bottom:24px;font-size:22px}.z-demo-brand strong{font-weight:600}.z-demo-search{color:#858298;border-color:#e3e2ec;border-radius:8px;padding:11px 9px;font-size:11px}.z-demo-sidebar-label{color:#6b677c;padding:12px 6px;font-size:13px}.z-demo-sidebar small{margin:27px 6px 8px;font-size:11px}.z-demo-course{background:#e8e4fa;border-radius:8px;padding:11px 9px;font-size:12px;line-height:1.6}.z-demo-main{padding:27px 32px}.z-demo-lecture{padding-bottom:3px;position:relative}.lp-zentudia .z-demo-lecture h3{letter-spacing:-.035em;margin:9px 0 5px;font-family:Inter,sans-serif;font-size:24px;font-weight:550;line-height:1.3}.z-demo-lecture>span{font-size:12px}.z-demo-lecture small{white-space:normal;color:#8a8497;font-size:11px;display:block}.z-demo-lecture .z-demo-sample-badge{color:#427255;background:#eaf2ed;border-radius:20px;padding:5px 9px;font-size:10px;position:absolute;top:0;right:0}.z-demo-stepper{background:0 0;border:0;border-bottom:1px solid #e7e6f0;border-radius:0;gap:22px;margin:11px 0 4px;padding:10px 0}.z-demo-stepper span{color:#757185;font-size:11px}.z-demo-stepper svg{color:#668977}.z-demo-sources{color:#746d86;background:#ffffffb3;border-color:#e5e3ef;border-radius:9px;padding:9px 13px}.z-laptop-screen .z-preview-tabs{gap:29px}.z-laptop-screen .z-preview-tabs button{color:#817991;padding:12px 2px;font-family:Inter,sans-serif;font-size:13px}.z-laptop-screen .z-preview-tabs button[aria-selected=true]{color:#6653ce;border-color:#7664dc}.z-laptop-screen .z-real-note{grid-template-columns:minmax(0,1fr) 148px;gap:25px}.z-laptop-screen .z-real-note article{border-color:#e8e6ef;border-radius:12px;padding:29px;box-shadow:0 4px 18px #28214104}.z-laptop-screen .z-real-note h3{letter-spacing:-.04em;margin:8px 0 0;font-family:Inter,sans-serif;font-size:27px;font-weight:500}.z-laptop-screen .z-note-eyebrow{color:#857b9b;text-transform:none;letter-spacing:.01em;font-size:11px}.z-laptop-screen .z-real-note .z-demo-note-intro{color:#8b8498;margin-top:12px;font-size:13px;line-height:1.7}.z-laptop-screen .z-real-note .z-note-goal{background:#f1eefb;border-radius:10px;padding:20px 22px}.z-laptop-screen .z-real-note h4{margin-bottom:13px;font-family:Inter,sans-serif;font-size:17px;font-weight:500}.z-laptop-screen .z-note-goal small{text-transform:none;color:#8a7dab;font-size:11px}.z-laptop-screen .z-real-note section p{color:#716a80;font-size:14px;line-height:1.75}.z-laptop-screen .z-real-note section b{font-size:14px;font-weight:500}.z-laptop-screen .z-real-note nav{gap:9px;padding-top:25px;font-size:11px}.z-laptop-screen .z-real-note nav a{border-radius:6px;padding:9px 10px;line-height:1.5}.z-laptop-screen .z-real-note nav a:first-child{color:#6b54ce;background:#ede9fa}.z-laptop-screen .z-flash-face{border-color:#e5e1ee;border-radius:14px;box-shadow:0 8px 24px #3a285b08}.z-laptop-screen .z-flash-face strong{letter-spacing:-.03em;color:#454053;font-family:Inter,sans-serif;font-size:26px;font-weight:500}.z-laptop-screen .z-session-progress{border-color:#8b79da;border-top-width:2px;padding:17px 0}.z-laptop-screen .z-session-actions button,.z-laptop-screen .z-real-quiz>button,.z-laptop-screen .z-quiz-result button{color:#fff;background:#6a56d3;border-radius:9px;min-height:42px;padding:10px 19px;font-size:13px}.z-laptop-screen .z-real-quiz>button{margin:6px auto 0;display:flex}.z-laptop-screen .z-session-actions .z-demo-ratings button{color:#993444;background:#fae9ec;border-color:#e4b9be}.z-laptop-screen .z-session-actions .z-demo-ratings button[data-rating="1"]{color:#886023;background:#fcf1df;border-color:#e9d2ac}.z-laptop-screen .z-session-actions .z-demo-ratings button[data-rating="2"]{color:#287046;background:#e8f4eb;border-color:#bad9c5}.z-laptop-screen .z-real-quiz fieldset{border-color:#e5e1ee;border-radius:12px}.z-laptop-screen .z-real-quiz legend{color:#454053;font-family:Inter,sans-serif;font-size:23px;font-weight:500}.z-laptop-screen .z-real-quiz label{background:#f7f6fa;border-radius:8px;min-height:42px;margin-top:9px;padding:11px 14px}.z-mobile-recording{display:none}@media (width<=1000px){.z-laptop-screen .z-real-note{grid-template-columns:1fr}.z-demo-main{padding:24px}}@media (width<=700px){.z-laptop-device{display:none}.z-mobile-recording{padding:14px 0 0;display:block}.z-mobile-stage{aspect-ratio:720/1376;background:#111114;border-radius:28px;width:min(360px,100% - 8px);margin:6px auto 0;position:relative;overflow:hidden;box-shadow:0 34px 60px -28px #2b1f6a73,0 10px 24px -12px #1a123e59}.z-mobile-stage video{object-fit:cover;width:100%;height:100%;display:block}.z-mobile-toggle{color:#f5f5f7;-webkit-backdrop-filter:blur(10px);cursor:pointer;background:#1b1b2099;border:1px solid #ffffff2e;border-radius:50%;place-items:center;width:36px;height:36px;padding:0;display:grid;position:absolute;top:7.2%;right:10px}.z-mobile-toggle:focus-visible{outline-offset:2px;outline:2px solid #7ee8bd}.z-mobile-recording>p{color:#7c718e;text-align:center;margin:23px 0 0;font-size:12px;line-height:1.6}.z-laptop-heading>p{display:none}.z-laptop-heading>div>p{font-size:0}.z-laptop-heading>div>p:after{content:"Notatka, fiszki i quiz. Zobacz krótki pokaz.";font-size:14px;line-height:1.7}[lang=en] .z-laptop-heading>div>p:after{content:"Notes, flashcards and quiz. Watch a short demo."}.z-demo-main{padding:22px 18px}.z-laptop-screen .z-real-note{display:block}.z-laptop-screen .z-real-note article{padding:22px}.lp-zentudia .z-demo-lecture h3{font-size:22px}.z-demo-lecture .z-demo-sample-badge{display:none}}.z-session-actions{flex-direction:column;align-items:center;gap:14px;margin-top:14px;display:flex}.z-laptop-screen .z-session-actions .z-demo-ratings{margin-top:0}.z-laptop-screen .z-quiz-result{text-align:center;padding:34px 20px}.z-laptop-screen .z-quiz-result svg{color:#2e7d52}.z-laptop-screen .z-quiz-result strong{color:#454053;margin:6px 0 18px;font-size:30px;display:block}.z-laptop-screen .z-real-flash-session:focus-visible{outline-offset:4px;border-radius:8px;outline:2px solid #7664dc}.z-laptop-lid{background:linear-gradient(150deg,#3c3a46 0,#191820 45%,#0f0e14 60%,#34323e 100%);border:1px solid #cfcbe0;box-shadow:inset 0 1px 1px #ffffff30,inset 0 -1px 2px #00000060,0 24px 50px -18px #3a285b40}.z-laptop-lid:after{content:"";border-radius:inherit;pointer-events:none;background:linear-gradient(115deg,#ffffff14 0,#0000 28%);position:absolute;inset:0}.z-laptop-screen{box-shadow:inset 0 0 0 1px #00000035,inset 0 2px 10px #00000025}.z-laptop-screen .z-real-quiz .z-session-progress{padding:8px 0}.z-laptop-screen .z-real-quiz fieldset{background:#fff;margin-bottom:4px;padding:14px 18px;box-shadow:0 4px 18px #28214106}.z-laptop-screen .z-real-quiz legend{margin-bottom:10px;font-size:21px}.z-laptop-screen .z-real-quiz label{background:#faf9fd;border:1px solid #e5e1ee;gap:12px;transition:border-color .15s,background .15s,box-shadow .15s,opacity .15s}.z-laptop-screen .z-real-quiz label:hover{background:#f5f2fd;border-color:#c9bff0}.z-laptop-screen .z-real-quiz fieldset[disabled] label{cursor:default}.z-laptop-screen .z-real-quiz label[data-state=selected]{background:#f1edfd;border-color:#7664dc;box-shadow:inset 0 0 0 1px #7664dc}.z-laptop-screen .z-real-quiz label[data-state=correct]{color:#287046;background:#e9f6ee;border-color:#8cc7a6}.z-laptop-screen .z-real-quiz label[data-state=wrong]{color:#993444;background:#fbeef0;border-color:#dfa3af;animation:.32s z-quiz-nudge}.z-laptop-screen .z-real-quiz label[data-state=dimmed]{opacity:.5}.z-laptop-screen .z-real-quiz label>span{color:#6b647c;background:#fff;border:1px solid #e0dcec;border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;min-width:24px;height:24px;font-size:12px;font-weight:600;display:inline-flex}.z-laptop-screen .z-real-quiz label[data-state=correct]>span{color:#fff;background:#287046;border-color:#287046}.z-laptop-screen .z-real-quiz label[data-state=wrong]>span{color:#fff;background:#993444;border-color:#993444}.z-laptop-screen .z-real-quiz label input{appearance:none;background:#fff;border:1.5px solid #c6c0d8;border-radius:50%;flex-shrink:0;place-content:center;width:16px;height:16px;margin:0;transition:border-color .15s;display:grid}.z-laptop-screen .z-real-quiz label input:before{content:"";background:#6a56d3;border-radius:50%;width:8px;height:8px;transition:transform .12s;transform:scale(0)}.z-laptop-screen .z-real-quiz label input:checked{border-color:#6a56d3}.z-laptop-screen .z-real-quiz label input:checked:before{transform:scale(1)}.z-laptop-screen .z-real-quiz label[data-state=correct] input{border-color:#287046}.z-laptop-screen .z-real-quiz label[data-state=correct] input:before{background:#287046;transform:scale(1)}.z-laptop-screen .z-real-quiz label[data-state=wrong] input{border-color:#993444}.z-laptop-screen .z-real-quiz label[data-state=wrong] input:before{background:#993444;transform:scale(1)}.z-laptop-screen .z-real-quiz .z-option-icon{flex-shrink:0;margin-left:auto}.z-laptop-screen .z-answer-feedback{border:1px solid;border-radius:10px;align-items:flex-start;gap:11px;margin:12px 0 2px;padding:11px 15px;font-size:13px;line-height:1.55;animation:.28s z-quiz-pop;display:flex}.z-laptop-screen .z-answer-feedback[data-state=correct]{color:#287046;background:#e9f6ee;border-color:#bad9c5}.z-laptop-screen .z-answer-feedback[data-state=wrong]{color:#993444;background:#fbeef0;border-color:#e4b9be}.z-laptop-screen .z-answer-feedback svg{flex-shrink:0;margin-top:2px}.z-laptop-screen .z-answer-feedback b{font-size:14px;display:block}.z-laptop-screen .z-answer-feedback p{margin:3px 0 0}@keyframes z-quiz-pop{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@keyframes z-quiz-nudge{0%,to{transform:none}30%{transform:translate(-3px)}60%{transform:translate(3px)}}@media (prefers-reduced-motion:reduce){.z-laptop-screen .z-answer-feedback,.z-laptop-screen .z-real-quiz label[data-state=wrong]{animation:none}}
