:root{--shell:#f2f2f7;--card:#fff;--text:#111418;--muted:#5b6270;--tint:#1f5bd6;--blueprint:#0e3b8c;--blueprint-ink:#f2f5fb;--blueprint-muted:#9fb5e0;--yellow:#ffd23f;--streak:#ff9f2e;--display:var(--font-archivo), system-ui, sans-serif;--body:var(--font-instrument), system-ui, -apple-system, sans-serif;--gutter:20px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:lang(ar){--display:var(--font-thmanyah), system-ui, sans-serif;--body:var(--font-thmanyah), system-ui, sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--shell);color:var(--text);font-family:var(--body);margin:0;font-size:17px;line-height:1.5;overflow-x:hidden}:lang(ar) body{line-height:1.75}img{max-width:100%;height:auto;display:block}a{color:inherit}h1,h2,h3{font-family:var(--display);margin:0;line-height:1.08}h1,h2{letter-spacing:-.01em;font-weight:900;font-stretch:118%}:lang(ar) h1,:lang(ar) h2{letter-spacing:0;font-weight:900;line-height:1.3}.wrap{width:100%;max-width:1140px;padding:0 var(--gutter);margin:0 auto}.hero{background-color:var(--blueprint);color:var(--blueprint-ink);background-image:linear-gradient(#ffffff0f 1px,#0000 1px),linear-gradient(90deg,#ffffff0f 1px,#0000 1px);background-size:22px 22px;overflow:hidden}.nav{justify-content:space-between;align-items:center;padding-top:18px;padding-bottom:18px;display:flex}.brand{font-family:var(--display);align-items:center;gap:10px;font-size:18px;font-weight:800;font-stretch:112%;text-decoration:none;display:flex}.brand img{border-radius:9px}.lang{border:1px solid #ffffff4d;border-radius:999px;padding:8px 14px;font-size:15px;font-weight:600;text-decoration:none}.lang:hover{background:#ffffff1a}.lang:lang(ar){font-family:var(--font-thmanyah), system-ui, sans-serif}.lang:lang(en){font-family:var(--font-instrument), system-ui, sans-serif}.hero-grid{gap:40px;padding-top:28px;padding-bottom:0;display:grid}.eyebrow{color:var(--blueprint);background:var(--yellow);border-radius:999px;margin:0 0 16px;padding:4px 12px;font-size:14px;font-weight:700;display:inline-block}.hero h1{font-size:clamp(40px,9vw,72px)}.lead{color:var(--blueprint-muted);max-width:34em;margin:20px 0;font-size:18px}.note{color:var(--blueprint-muted);margin:0;font-size:14px}.badge{margin-inline-start:calc(-1 * var(--badge-pad,13px));line-height:0;display:inline-block}.badge img{width:auto}.hero-phones{width:100%;max-width:420px;height:470px;margin:0 auto;position:relative}.hero-phones .phone{width:58%;position:absolute}.phone-back{inset-inline-start:0;opacity:.92;top:40px;transform:rotate(-5deg)}.phone-front{inset-inline-end:0;top:0;transform:rotate(4deg)}:is(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi)) .phone-back{transform:rotate(5deg)}:is(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi)) .phone-front{transform:rotate(-4deg)}.phone{background:#0b0d10;border-radius:14%/6.5%;padding:2.4%;box-shadow:0 30px 60px -20px #0410308c,inset 0 0 0 1.5px #ffffff24}.phone img{border-radius:12%/5.6%;width:100%}.ticker{background:var(--yellow);color:var(--blueprint);padding:16px 0;overflow:hidden}.ticker-track{gap:40px;width:max-content;animation:60s linear infinite ticker;display:flex}:is(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi)) .ticker-track{animation-name:ticker-rtl}.ticker span{font-family:var(--display);white-space:nowrap;font-size:18px;font-weight:800;font-stretch:112%}.ticker span:before{content:"?";opacity:.4;margin-inline-end:12px;display:inline-block}@keyframes ticker{to{transform:translate(-50%)}}@keyframes ticker-rtl{to{transform:translate(50%)}}@media (prefers-reduced-motion:reduce){.ticker-track{width:auto;padding:0 var(--gutter);flex-wrap:wrap;gap:8px 28px;animation:none}.ticker span[aria-hidden=true]{display:none}}.section{padding-top:72px;padding-bottom:8px}.section h2{max-width:18em;font-size:clamp(30px,6vw,46px)}.section-lead{color:var(--muted);max-width:36em;margin:14px 0 0;font-size:18px}.steps{gap:20px;margin:36px 0 0;padding:0;list-style:none;display:grid}.step{background:var(--card);border-radius:22px;grid-template-columns:120px 1fr;align-items:center;gap:20px;padding:22px;display:grid}.step-num{background:var(--blueprint);width:30px;height:30px;color:var(--yellow);font-family:var(--display);border-radius:50%;place-items:center;margin-bottom:10px;font-size:15px;font-weight:900;display:inline-grid}.step h3,.habits h3,.plan h3{font-size:21px;font-weight:800;font-stretch:112%}.step p,.habits p{color:var(--muted);margin:6px 0 0}.topics{gap:16px;margin-top:36px;display:grid}.topic{border-radius:22px;grid-template-columns:1fr 120px;gap:16px;min-height:230px;padding:24px 24px 0;display:grid;overflow:hidden}.topic-text{padding-bottom:24px}.topic h3{font-size:28px}.topic p{opacity:.8;margin:8px 0 14px}.topic-build{border-radius:999px;padding:4px 12px;font-size:14px;font-weight:700;display:inline-block}.topic-phone{align-self:end;margin-bottom:-40%}.topic-mechanics{color:#f2f5fb;background-color:#0e3b8c;background-image:linear-gradient(#ffffff0f 1px,#0000 1px),linear-gradient(90deg,#ffffff0f 1px,#0000 1px);background-size:22px 22px}.topic-mechanics h3{font-weight:900;font-stretch:120%}.topic-mechanics .topic-build{color:#0e3b8c;background:#ffd23f}.topic-math{color:#1b2a4a;background-color:#eef2f7;background-image:linear-gradient(90deg,#0000 29px,#d6334a 29px 30px,#0000 30px),linear-gradient(#346ec829 1px,#0000 1px),linear-gradient(90deg,#346ec829 1px,#0000 1px);background-size:100% 100%,14px 14px,14px 14px;border:1.5px solid #1b2a4a;box-shadow:4px 4px #1b2a4a}.topic-math h3{font-family:var(--font-serif), serif;font-size:34px;font-style:italic;font-weight:400}.topic-math .topic-build{color:#1b2a4a;background:#ffd6009e}.topic-astronomy{color:#f1e7cf;background-color:#0b1026;background-image:radial-gradient(1px 1px at 20% 30%,#f1e7cf 50%,#0000 51%),radial-gradient(1.5px 1.5px at 70% 15%,#f1e7cf 50%,#0000 51%),radial-gradient(1px 1px at 45% 70%,#f1e7cf 50%,#0000 51%),radial-gradient(1px 1px at 85% 55%,#f1e7cf 50%,#0000 51%),radial-gradient(1.5px 1.5px at 10% 85%,#f1e7cf 50%,#0000 51%);background-size:160px 160px}.topic-astronomy h3{font-family:Cormorant Garamond,Georgia,serif;font-size:32px;font-weight:500}.topic-astronomy .topic-build{color:#0b1026;background:#e8b94a}.topic-biology{color:#eaf2d7;background-color:#1f3325;background-image:radial-gradient(circle,#0000 17px,#b5d86a1a 18px,#0000 19px);background-size:48px 48px}.topic-biology h3{font-family:var(--font-serif), serif;font-size:32px;font-weight:400}.topic-biology .topic-build{color:#1f3325;background:#b5d86a}.topic-computing{color:#e6edf3;background-color:#111418;background-image:radial-gradient(#ffffff17 1px,#0000 1.2px);background-size:16px 16px}.topic-computing h3{letter-spacing:-.02em;font-family:ui-monospace,SF Mono,Menlo,monospace;font-weight:700}.topic-computing .topic-build{color:#111418;background:#ffb547}:lang(ar) .topic h3{font-family:var(--font-thmanyah), sans-serif;letter-spacing:0;font-size:30px;font-style:normal;font-weight:900}.split{align-items:center;gap:32px;display:grid}.split .phone{width:70%;max-width:260px;margin:0 auto}.habits{gap:12px;margin:24px 0 0;padding:0;list-style:none;display:grid}.habits li{background:var(--card);border-inline-start:5px solid var(--streak);border-radius:22px;padding:18px 20px}.plans{gap:16px;margin-top:32px;display:grid}.plan{background:var(--card);border-radius:22px;padding:26px;position:relative}.plan ul{gap:10px;margin:16px 0 0;padding:0;list-style:none;display:grid}.plan li{align-items:baseline;gap:10px;display:flex}.plan li:before{content:"";background:var(--tint);border-radius:50%;flex:none;width:8px;height:8px;transform:translateY(-2px)}.price{font-family:var(--display);margin:6px 0 0;font-size:34px;font-weight:900;font-stretch:118%}.plan-pro{background:var(--blueprint);color:var(--blueprint-ink)}.plan-pro li:before{background:var(--yellow)}.plan-pro .price{color:var(--yellow)}.plan-badge{top:22px;background:var(--yellow);color:var(--blueprint);border-radius:999px;padding:3px 10px;font-size:13px;font-weight:700;position:absolute;inset-inline-end:22px}.fine{color:var(--muted);margin:14px 0 0;font-size:14px}.cta{background-color:var(--blueprint);color:var(--blueprint-ink);background-image:linear-gradient(#ffffff0f 1px,#0000 1px),linear-gradient(90deg,#ffffff0f 1px,#0000 1px);background-size:22px 22px;margin-top:80px}.cta-inner{text-align:center;flex-direction:column;align-items:center;padding-top:72px;padding-bottom:64px;display:flex}.cta-icon{border-radius:22px;margin-bottom:24px;box-shadow:0 16px 40px #0000004d}.cta h2{font-size:clamp(30px,6vw,48px)}.cta p{color:var(--blueprint-muted);margin:12px 0 18px;font-size:18px}.cta .badge{margin-inline-start:0}.footer{color:var(--muted);padding-top:28px;padding-bottom:40px;font-size:14px}.footer-links{flex-wrap:wrap;gap:8px 20px;display:flex}.footer a{text-decoration:none}.footer a:hover{text-decoration:underline}.legal{max-width:60em;margin:16px 0 0;font-size:12px}.install-banner{z-index:50;-webkit-backdrop-filter:saturate(180%)blur(20px);backdrop-filter:saturate(180%)blur(20px);color:#111418;background:#f8f8faf0;border-bottom:.5px solid #0000002e;align-items:center;gap:10px;padding:10px 14px 10px 8px;font-family:-apple-system,system-ui,sans-serif;display:flex;position:sticky;top:0}:lang(ar) .install-banner{font-family:var(--font-thmanyah), -apple-system, system-ui, sans-serif;padding:10px 8px 10px 14px}.install-close{color:#8e8e93;cursor:pointer;background:0 0;border:0;flex:none;place-items:center;width:24px;height:24px;padding:0;display:grid}.install-icon{border-radius:12px;flex:none;box-shadow:0 0 0 .5px #00000026}.install-text{flex-direction:column;flex:1;min-width:0;line-height:1.25;display:flex}.install-text strong{white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:600;overflow:hidden}.install-text span{color:#6c6c70;font-size:13px}.install-get{color:#fff;background:#007aff;border-radius:999px;flex:none;padding:5px 18px;font-size:15px;font-weight:700;text-decoration:none}@media (min-width:640px){.steps{grid-template-columns:repeat(3,1fr)}.step{grid-template-columns:1fr;align-content:start}.step .phone{width:100%;max-width:220px;margin:0 auto}.topics{grid-template-columns:repeat(2,1fr)}.topic-mechanics{grid-column:1/-1}.plans{grid-template-columns:1fr 1fr}}@media (min-width:900px){:root{--gutter:32px}.hero-grid{grid-template-columns:1.1fr 1fr;align-items:center;padding-top:40px}.hero-copy{padding-bottom:72px}.hero-phones{max-width:520px;height:620px;margin-bottom:-60px}.topics{grid-template-columns:repeat(6,1fr)}.topic{grid-column:span 2;grid-template-columns:1fr}.topic-mechanics,.topic-math{grid-column:span 3;grid-template-columns:1fr 150px}.topic-phone{width:150px;margin:0 auto -45%}.topic-mechanics .topic-phone,.topic-math .topic-phone{margin:0 0 -40%}.split{grid-template-columns:1fr 1fr;gap:64px}.split-reverse>:first-child{order:2}.split .phone{width:100%;max-width:280px}}.hero-slim{padding-bottom:40px}.legal-head{padding-top:24px}.legal-head h1{margin-bottom:10px;font-size:clamp(34px,7vw,56px)}.legal-doc{max-width:760px;padding-top:40px;padding-bottom:24px}.legal-doc section{margin-top:36px}.legal-doc h2{margin-bottom:10px;font-size:24px;font-weight:800;font-stretch:112%}.legal-doc p{color:#2b313b;margin:0 0 12px}.legal-intro{font-size:19px}.legal-doc a{color:var(--tint)}.shots-lang{padding-top:48px}.shots-lang h2{margin-bottom:6px;font-size:30px}.shots-grid{grid-template-columns:repeat(2,1fr);gap:16px;margin-top:20px;display:grid}.shots-grid a{color:var(--muted);font-size:13px;text-decoration:none;display:block}.shots-grid img{border-radius:14px;margin-bottom:8px;box-shadow:0 10px 30px -12px #00000059}@media (min-width:640px){.shots-grid{grid-template-columns:repeat(4,1fr)}}.dl-all{background:var(--yellow);color:var(--blueprint);border-radius:14px;align-items:center;gap:8px;margin-top:22px;padding:12px 22px;font-size:17px;font-weight:700;text-decoration:none;display:inline-flex}.dl-all:before,.dl-lang:before{content:"↓";font-weight:800}.dl-all:hover{filter:brightness(1.05)}.shots-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.shots-head h2{margin:0}.dl-lang{color:var(--tint);background:var(--card);border-radius:12px;gap:6px;padding:8px 14px;font-size:15px;font-weight:700;text-decoration:none;display:inline-flex}.shots-size{padding-top:56px}.shots-size>.shots-head h2{font-size:34px}.shots-px{color:var(--muted);margin:4px 0 0;font-size:15px}.shots-lang h3{margin:0;font-size:22px;font-weight:800;font-stretch:112%}.shots-size .shots-lang{padding-top:28px}.icon-row{flex-wrap:wrap;align-items:center;gap:24px;margin-top:20px;display:flex}.icon-big{border-radius:32px;width:140px;height:140px;box-shadow:0 16px 40px -14px #00000073}.icon-files{flex-direction:column;align-items:flex-start;gap:10px;display:flex}.creative-grid{grid-template-columns:1fr;gap:20px;margin-top:20px;display:grid}.creative{color:var(--muted);flex-direction:column;gap:4px;font-size:14px;text-decoration:none;display:flex}.creative img{border-radius:14px;margin-bottom:8px;box-shadow:0 10px 30px -12px #00000059}.creative strong{color:var(--text);font-size:16px}@media (min-width:900px){.creative-grid{grid-template-columns:1.4fr 1fr;align-items:start}.creative-header{grid-column:1/-1}}
@font-face{font-stretch:62% 125%;font-family:archivo;src:url(../media/Archivo-s.p.1w1wfq3-t9aw4.ttf)format("truetype");font-display:swap;font-weight:100 900}@font-face{font-family:archivo Fallback;src:local(Arial);ascent-override:85.41%;descent-override:20.43%;line-gap-override:0.0%;size-adjust:102.8%}.hGnw9a_className{font-family:archivo,archivo Fallback}.hGnw9a_variable{--font-archivo:"archivo", "archivo Fallback"}
@font-face{font-family:instrumentSans;src:url(../media/InstrumentSans-s.p.1e1yqq9m-ptyn.ttf)format("truetype");font-display:swap;font-weight:400 700}@font-face{font-family:instrumentSans Fallback;src:local(Arial);ascent-override:93.97%;descent-override:24.22%;line-gap-override:0.0%;size-adjust:103.22%}.HtbmoG_className{font-family:instrumentSans,instrumentSans Fallback}.HtbmoG_variable{--font-instrument:"instrumentSans", "instrumentSans Fallback"}
@font-face{font-family:instrumentSerif;src:url(../media/InstrumentSerif_Italic-s.p.1ab1dfsp6fjzq.ttf)format("truetype");font-display:swap;font-weight:400;font-style:italic}@font-face{font-family:instrumentSerif Fallback;src:local(Arial);ascent-override:121.98%;descent-override:38.19%;line-gap-override:0.0%;size-adjust:81.16%}.zeYNDa_className{font-family:instrumentSerif,instrumentSerif Fallback;font-style:italic;font-weight:400}.zeYNDa_variable{--font-serif:"instrumentSerif", "instrumentSerif Fallback"}
@font-face{font-family:thmanyah;src:url(../media/thmanyah_sans_Regular-s.p.3k75ot9qg24ii.otf)format("opentype");font-display:swap;font-weight:400}@font-face{font-family:thmanyah;src:url(../media/thmanyah_sans_Bold-s.p.1zv2ku4zxbdmp.otf)format("opentype");font-display:swap;font-weight:700}@font-face{font-family:thmanyah;src:url(../media/thmanyah_sans_Black-s.p.2g4bepd_6tgli.otf)format("opentype");font-display:swap;font-weight:900}@font-face{font-family:thmanyah Fallback;src:local(Arial);ascent-override:96.94%;descent-override:24.23%;line-gap-override:0.0%;size-adjust:103.16%}._5b_f4q_className{font-family:thmanyah,thmanyah Fallback}._5b_f4q_variable{--font-thmanyah:"thmanyah", "thmanyah Fallback"}