@font-face{font-family:Onest;src:url(assets/fonts/onest-400.ttf) format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:Onest;src:url(assets/fonts/onest-500.ttf) format('truetype');font-weight:500;font-display:swap}
@font-face{font-family:Onest;src:url(assets/fonts/onest-600.ttf) format('truetype');font-weight:600;font-display:swap}
@font-face{font-family:Unbounded;src:url(assets/fonts/unbounded-700.ttf) format('truetype');font-weight:700;font-display:swap}
:root{--ink:#172337;--muted:#6a7587;--blue:#3675ed;--paper:#f4f6fc;--line:#dfe5ef;--display:Unbounded,Arial,sans-serif;--radius:24px;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;font:400 16px/1.65 Onest,Arial,sans-serif;color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button,input{appearance:none}button{border:0}img{display:block;max-width:100%;height:auto}h1,h2,h3,p{margin:0}ul,ol{margin:0;padding:0;list-style:none}h1,h2{font-family:var(--display);font-weight:700;letter-spacing:-.055em;line-height:1.16}h2{font-size:clamp(30px,3.8vw,52px)}h1 em,h2 em{font-style:normal;color:var(--blue)}:focus-visible{outline:3px solid var(--blue);outline-offset:5px}::selection{background:#d5e3ff;color:var(--ink)}.wrap{width:calc(100% - 96px);max-width:1240px;margin-inline:auto}.icon{display:block;width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}.icon-definitions{position:absolute;width:0;height:0;overflow:hidden}.skip-link{position:fixed;left:20px;top:-80px;padding:12px 20px;border-radius:12px;color:white;background:var(--blue);z-index:100}.skip-link:focus{top:10px}
.site-header{position:absolute;top:0;left:0;right:0;z-index:30;padding:22px 0;transition:background .25s,box-shadow .25s}.site-header.is-scrolled{position:fixed;padding:13px 0;background:#ffffffed;backdrop-filter:blur(12px);box-shadow:0 1px 0 #1723370e}.navigation{display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;align-items:center;gap:11px;white-space:nowrap;font-size:18px;font-weight:600;letter-spacing:-.5px}.brand img{width:38px;height:38px;border-radius:11px;box-shadow:0 0 0 1px #17233708}.brand b{font-weight:400;color:var(--muted)}.nav-links{display:flex;align-items:center;gap:34px;margin-left:auto}.nav-links a{font-size:14px;color:#4c586b;transition:color .2s}.nav-links a:hover{color:var(--blue)}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:56px;padding:14px 24px;border-radius:99px;background:var(--blue);color:#fff;font-size:15px;font-weight:600;box-shadow:0 8px 22px #3675ed20;transition:transform .25s,background .25s,box-shadow .25s}.button:hover{background:#2463dc;transform:translateY(-2px);box-shadow:0 10px 25px #3675ed2e}.button-small{min-height:44px;padding:10px 20px;font-size:13px}.button-small .icon{width:18px;height:18px}.text-link{display:inline-flex;align-items:center;gap:12px;min-height:44px;font-size:14px;font-weight:500}.text-link:hover{color:var(--blue)}.text-link>span{font-size:22px}.menu-toggle{display:none}
.notebook{position:relative;background-color:var(--paper);background-image:linear-gradient(#8ea9d519 1px,transparent 1px),linear-gradient(90deg,#8ea9d519 1px,transparent 1px);background-size:32px 32px}.hero{overflow:hidden;padding:126px 0 0;background-image:radial-gradient(ellipse at 77% 50%,#dce7ff99,transparent 52%),linear-gradient(#8ea9d519 1px,transparent 1px),linear-gradient(90deg,#8ea9d519 1px,transparent 1px);background-size:auto,32px 32px,32px 32px}.hero::after{content:'';position:absolute;top:0;bottom:0;left:24px;width:1px;background:#e7adb447;pointer-events:none}.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:12px;align-items:center;min-height:670px}.hero-copy{position:relative;z-index:3;padding-bottom:35px}.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.02em;color:#56657a;background:#ffffffb3;border:1px solid #cdd8ea9c;border-radius:99px;padding:7px 14px}.status-dot{width:6px;height:6px;flex-shrink:0;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px #3675ed0b}.hero h1{font-size:clamp(46px,5.5vw,76px);margin:28px 0 24px;line-height:1.17}.hero-description{font-size:18px;line-height:1.7;color:#647084;max-width:440px}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:13px 22px;margin-top:32px}.hero-actions .button{padding-inline:22px}.hero-actions .text-link{font-size:13px}.hero-details{display:flex;flex-wrap:wrap;gap:9px 22px;font-size:12px;color:#7c8798;margin-top:25px}.hero-details>span{display:inline-flex;align-items:center;gap:6px}.hero-details .icon{width:14px;height:14px;color:#6b879a}.hero-visual{position:relative;height:670px;min-width:0}.visual-orbit{position:absolute;width:470px;height:470px;left:50%;top:45%;border:1px solid #90afe030;border-radius:50%;transform:translate(-50%,-50%)}.orbit-two{width:570px;height:570px;border-style:dashed}.drawn-star{position:absolute;color:#96afdf;z-index:0;line-height:1}.star-one{font-size:70px;top:9%;left:4%;transform:rotate(15deg)}.star-two{font-size:80px;right:-1%;bottom:9%;color:#9ac5bd}.floating-device{position:absolute;will-change:transform;animation:device-float 7s ease-in-out infinite alternate}.device-front{width:264px;left:8%;top:22px;z-index:2;rotate:-7deg}.device-back{width:235px;left:53%;top:97px;z-index:1;rotate:10deg;animation-delay:-2.6s}.phone{display:block;padding:7px;border:1px solid #fff;border-radius:31px;background:#fff;overflow:hidden;box-shadow:0 24px 48px #31496c20,0 4px 12px #31496c08}.phone>img{width:100%;border-radius:0 0 24px 24px}.telegram-bar{display:flex;align-items:center;justify-content:space-between;height:29px;gap:8px;padding:0 10px 3px;font-size:9px;line-height:1;color:#16283c;background:#fff}.telegram-bar>span:first-child{font-size:23px;color:var(--blue)}.telegram-bar>span:last-child{letter-spacing:1px;font-size:8px}.telegram-bar strong{font-weight:600}.float-card{position:absolute;z-index:4;display:flex;align-items:center;gap:11px;padding:14px 17px;background:#fffffff5;border:1px solid #fff;border-radius:18px;box-shadow:0 12px 40px #31496c16;animation:card-float 6s ease-in-out infinite alternate}.float-card strong{display:block;font-size:12px;font-weight:600;line-height:1.4}.float-card small{display:block;font-size:10px;color:var(--muted);margin-top:4px}.grade-note{top:116px;right:-4%;rotate:5deg}.grade-note>.icon{margin-left:12px;width:16px;height:16px;color:#90a0b2}.grade-mark{display:grid;place-items:center;width:40px;height:40px;background:#e4f5e9;border-radius:12px;font:700 22px/1 var(--display);color:#238855;letter-spacing:-2px}.homework-note{left:-6%;bottom:105px;rotate:-4deg;animation-delay:-3s}.check-circle{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#e8f2ff;color:var(--blue)}.check-circle .icon{width:18px;height:18px}.demo-note{position:absolute;bottom:15px;left:0;right:0;text-align:center;font-size:10px;color:#8c96a5}.feature-strip{position:relative;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid #cbd6e47a;padding:28px 0;margin-top:18px}.feature-strip>span{display:flex;align-items:center;gap:10px;font-size:13px;color:#718198}.feature-strip .icon{width:20px;height:20px;color:#8ca0ba}
.section{padding:110px 0}.kicker{display:block;font-size:10px;font-weight:600;letter-spacing:.17em;color:var(--blue);margin-bottom:20px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:54px}.section-heading>p{color:var(--muted);font-size:15px;max-width:340px;line-height:1.8;padding-bottom:4px}.feature-explorer{display:grid;grid-template-columns:.95fr 1.05fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:0 10px 40px #253a5a05}.feature-controls{display:flex;flex-direction:column;justify-content:center;gap:8px;padding:38px}.feature-tab{display:flex;align-items:center;gap:17px;padding:21px 18px;text-align:left;background:transparent;border-radius:16px;transition:background .2s,box-shadow .2s}.feature-tab:hover{background:#f7f9fc}.feature-tab.is-active{background:#edf3ff;box-shadow:inset 0 0 0 1px #d8e5ff}.feature-tab strong{display:block;font-size:15px;font-weight:600;line-height:1.4}.feature-tab small{display:block;margin-top:5px;font-size:12px;color:var(--muted)}.feature-icon{display:inline-flex;align-items:center;justify-content:center;width:45px;height:45px;border-radius:13px;flex:0 0 45px}.blue{background:#e5efff;color:#4078d7}.green{background:#e6f4e9;color:#328a5b}.orange{background:#fff0de;color:#ce8a31}.violet{background:#eee9ff;color:#8863be}.teal{background:#e4f3f1;color:#438e83}.tab-arrow{margin-left:auto;color:#a4afbf;font-size:19px}.is-active .tab-arrow{color:var(--blue)}.feature-panel{background:#f0f5fe;border-left:1px solid var(--line);padding:36px 36px 24px;display:flex;align-items:center;flex-direction:column;min-width:0}.feature-panel-copy{width:100%;max-width:375px;margin-bottom:24px}.panel-number{font-size:10px;letter-spacing:.12em;color:#8498b7}.feature-panel h3{font-size:22px;font-weight:600;line-height:1.35;letter-spacing:-.03em;margin:10px 0}.feature-panel p{font-size:13px;color:#718198;line-height:1.75}.screenshot-button{background:transparent;padding:0;display:flex;flex-direction:column;align-items:center;gap:16px;width:100%}.feature-phone{width:242px;max-width:100%;box-shadow:0 12px 32px #56729820;transition:transform .25s}.screenshot-button:hover .feature-phone{transform:translateY(-3px)}.zoom-hint{font-size:10px;color:#8c9ab0}.zoom-hint>span{margin-left:5px;font-size:14px}.small-things{padding-top:10px}.detail-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.detail-card{position:relative;padding:30px;border:1px solid var(--line);border-radius:20px;display:flex;flex-direction:column;align-items:flex-start}.detail-card h3{font-size:20px;line-height:1.45;letter-spacing:-.02em;margin:24px 0 14px;max-width:28ch}.detail-card p{font-size:14px;color:var(--muted);line-height:1.85;flex:1}.detail-tag{display:block;font-size:10px;margin-top:25px;color:#8e9bb0}
.themes-section{position:relative;background:#142235;color:#fff;overflow:hidden}.themes-section::before{content:'';position:absolute;width:700px;height:600px;border-radius:50%;background:radial-gradient(#38588128,transparent 68%);left:50%;top:35%;transform:translateX(-50%);pointer-events:none}.center-heading{text-align:center;position:relative}.themes-section .kicker{color:#8caddf}.themes-section h2 em{color:#a7c5f3}.center-heading>p{color:#91a0b6;margin:24px auto 0;font-size:15px;line-height:1.8}.theme-controls{position:relative;display:flex;justify-content:center;gap:8px;margin:32px auto 55px;padding:5px;border:1px solid #ffffff16;border-radius:99px;width:fit-content;background:#ffffff03}.theme-controls button{display:flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:8px 20px;border-radius:99px;font-size:12px;background:transparent;color:#9caabd;transition:background .25s,color .25s}.theme-controls button.is-active{background:#fff;color:#203049}.theme-dot{display:inline-block;width:7px;height:7px;border-radius:50%}.pink{background:#de78ab}.amber{background:#e4a24d}.mint{background:#6ab48e}.theme-gallery{position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:50px;max-width:880px;margin:auto;align-items:start}.theme-card{display:block;padding:0;background:transparent;opacity:.57;transform:translateY(25px) scale(.94);transition:opacity .4s,transform .4s;min-width:0}.theme-card:first-child{rotate:-7deg}.theme-card:last-child{rotate:7deg}.theme-card.is-active{opacity:1;transform:translateY(0) scale(1)}.theme-card .phone{border-color:#fff3;box-shadow:0 25px 45px #0003}.theme-caption{position:relative;text-align:center;margin:56px 0 0;font-size:12px;color:#91a0b6}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:45px}.steps li{border-top:1px solid var(--line);padding-top:26px}.step-number{display:block;font:700 34px/1 var(--display);letter-spacing:-.04em;color:#b9cbe6;margin-bottom:28px}.steps h3{font-size:20px;font-weight:600;letter-spacing:-.025em;margin-bottom:14px}.steps p{font-size:14px;color:var(--muted);line-height:1.85;max-width:30ch}.steps p a{color:var(--blue)}code{font:inherit;color:#4478c8;background:#edf3ff;border-radius:5px;padding:2px 5px}.faq-section{background:#fafbfe;border-top:1px solid #eef1f7}.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:100px}.faq-layout h2{font-size:clamp(30px,3.4vw,46px)}.faq-intro{color:var(--muted);font-size:15px;margin-top:24px}.faq-layout .text-link{margin-top:25px;color:var(--blue)}.faq-list{border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:25px;font-size:15px;font-weight:500;list-style:none;padding:23px 0;cursor:pointer;line-height:1.55}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary>span{font-size:23px;font-weight:400;color:#96a8c0;transition:transform .2s}.faq-list details[open] summary>span{transform:rotate(45deg)}.faq-list details p{margin:-2px 35px 25px 0;color:var(--muted);font-size:14px;line-height:1.85}.faq-list details a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.final-cta{padding:100px 0 110px;text-align:center;overflow:hidden}.final-cta::before,.final-cta::after{content:'✳';position:absolute;font-size:160px;line-height:1;color:#c9d6ec55;rotate:12deg;top:40%;left:-35px}.final-cta::after{content:'✧';left:auto;right:-20px;font-size:220px;rotate:-12deg;top:22%;color:#c1d9d255}.final-cta .wrap{position:relative;z-index:1}.final-cta .eyebrow{margin-bottom:28px}.final-cta .eyebrow .icon{width:15px;height:15px;color:var(--blue)}.final-cta h2{font-size:clamp(35px,4.5vw,62px)}.final-cta p{font-size:16px;line-height:1.85;color:#748197;margin:24px 0 30px}.site-footer{padding:44px 0 25px;background:#fff}.footer-main{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-bottom:34px}.footer-main>p{font-size:12px;color:#9aa5b6;margin-right:auto}.footer-links{display:flex;gap:25px;align-items:center;font-size:12px;color:#748197}.footer-links a:hover{color:var(--blue)}.footer-bottom{display:flex;gap:25px;justify-content:space-between;border-top:1px solid #edf0f5;padding-top:21px;font-size:10px;color:#9aa5b6}.footer-bottom>a{color:#66778f}
.screenshot-dialog{position:fixed;inset:0;max-width:calc(100vw - 28px);width:520px;max-height:94svh;padding:0 18px 16px;margin:auto;border:1px solid #dfe5ef;border-radius:20px;background:#fff;color:var(--ink);overscroll-behavior:contain;overflow:auto;box-shadow:0 30px 100px #071b3440}.screenshot-dialog::backdrop{background:#122037b8;backdrop-filter:blur(5px)}.dialog-toolbar{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 0;background:#fff;z-index:1;font-size:12px;color:var(--muted)}.dialog-close{display:grid;place-items:center;width:40px;height:40px;background:#f0f4fa;border-radius:50%;flex-shrink:0}.screenshot-dialog>img{width:100%;height:auto;border-radius:12px}.screenshot-dialog>p{font-size:12px;color:var(--muted);padding-top:15px}.modal-open{overflow:hidden}[data-reveal].will-reveal{opacity:0;transform:translateY(20px);transition:opacity .7s,transform .7s}[data-reveal].is-visible{opacity:1;transform:none}
@keyframes device-float{from{transform:translate3d(0,0,0)}to{transform:translate3d(0,-13px,0)}}@keyframes card-float{from{transform:translate3d(0,0,0)}to{transform:translate3d(0,9px,0)}}.page-hidden *{animation-play-state:paused!important}
@media(min-width:1600px){.hero-grid{min-height:720px}.hero-visual{height:690px}.device-front{width:282px}.device-back{width:250px;top:100px}.grade-note{right:-2%;top:125px}.homework-note{bottom:100px}}
@media(max-width:1150px){.wrap{width:calc(100% - 64px)}.nav-links{gap:23px}.navigation{gap:24px}.hero h1{font-size:60px}.hero-grid{grid-template-columns:1fr 1fr;min-height:620px}.hero-visual{height:620px}.device-front{width:236px;left:2%;top:32px}.device-back{width:212px;left:48%;top:105px}.hero-description{font-size:16px;max-width:370px}.hero-actions{gap:10px}.hero-actions .button{font-size:13px;padding-inline:18px}.hero-actions .text-link{font-size:12px}.grade-note{right:-4%;top:95px;padding:12px}.grade-note>.icon{display:none}.homework-note{left:-8%;bottom:104px;padding:12px}.feature-strip>span{font-size:11px;gap:7px}.feature-strip .icon{width:17px;height:17px}.feature-controls{padding:25px}.feature-tab{padding:19px 12px;gap:12px}.feature-tab strong{font-size:14px}.feature-tab small{font-size:11px}.feature-icon{width:40px;height:40px;flex-basis:40px}.feature-panel{padding:30px 25px 22px}.detail-card{padding:25px}.detail-card h3{font-size:18px}.faq-layout{gap:60px}.footer-main>p{display:none}}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr;gap:18px;max-width:680px}.hero-copy{text-align:center;padding-bottom:0}.hero h1{font-size:68px}.hero-description{margin:auto;max-width:470px;font-size:17px}.hero-actions,.hero-details{justify-content:center}.hero-actions{gap:15px 24px}.hero-visual{width:540px;max-width:100%;margin:auto;height:650px}.device-front{width:260px;left:12%;top:25px}.device-back{width:232px;left:54%;top:100px}.grade-note{right:-1%;top:115px}.homework-note{left:1%;bottom:90px}.feature-strip{margin-top:0;display:grid;grid-template-columns:repeat(3,1fr);gap:23px}.feature-strip>span{justify-content:center;font-size:13px}.nav-links{gap:18px}.nav-links a{font-size:12px}.brand{font-size:16px;gap:8px}.navigation{gap:18px}.nav-cta{padding:10px 15px;font-size:12px}.nav-cta .icon{width:15px}.section{padding:86px 0}.small-things{padding-top:0}.section-heading{gap:30px}.section-heading>p{font-size:13px;max-width:280px}.feature-controls{padding:20px}.feature-tab{padding:19px 10px;gap:10px}.feature-tab small{max-width:18ch}.feature-icon{width:36px;height:36px;flex-basis:36px;border-radius:10px}.feature-tab .icon{width:19px}.tab-arrow{display:none}.feature-panel{padding:25px 20px 20px}.feature-panel h3{font-size:20px}.feature-phone{width:220px}.detail-grid{gap:16px}.detail-card{padding:22px}.detail-card h3{font-size:17px}.detail-card p{font-size:13px}.theme-gallery{gap:25px;max-width:740px}.steps{gap:28px}.steps h3{font-size:18px}.steps p{font-size:13px}.faq-layout{gap:40px;grid-template-columns:.8fr 1.2fr}.faq-list summary{font-size:14px}.footer-links{gap:20px}}
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@media(max-width:960px){.hero-grid{grid-template-columns:minmax(0,1fr)}.hero-copy{min-width:0}.hero-visual{width:100%;max-width:540px}}
@media(max-width:720px){.hero-visual{max-width:470px}}
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