:root{--ink:#1a2c47;--muted:#69778d;--blue:#2358cd;--blue-dark:#1947b2;--blue-soft:#eef3ff;--paper:#f7f9fd;--line:#e2e8f1;--white:#fff;--radius:18px;--shadow:0 16px 45px rgba(31,58,102,.07);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--white);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default}a{color:inherit;text-decoration:none}button{color:inherit}p{line-height:1.7;margin:0}h1,h2,h3{margin:0;letter-spacing:-.045em}h2{font-size:36px;line-height:1.2}h3{font-size:21px;line-height:1.3}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #8bacff;outline-offset:4px}[hidden]{display:none!important}.container{width:min(1180px,calc(100% - 80px));margin:0 auto}.icon-library{position:absolute;width:0;height:0;overflow:hidden}.icon{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.icon-small{width:18px;height:18px}.skip-link{position:absolute;top:-100px;left:20px;background:var(--blue);color:#fff;padding:12px 18px;z-index:100}.skip-link:focus{top:10px}.site-header{border-bottom:1px solid var(--line);background:#fff;position:relative;z-index:20}.header-inner{min-height:94px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:28px;font-weight:780;letter-spacing:-1.3px}.brand-dot{color:var(--blue)}.brand-mark{width:37px;height:39px;display:grid;place-items:center;background:var(--blue);border-radius:10px;color:#fff;font:700 32px/1 ui-sans-serif,system-ui;letter-spacing:-1px;padding-bottom:4px;position:relative}.brand-mark>span{position:absolute;width:5px;height:5px;background:#9abaff;border-radius:50%;right:5px;bottom:6px}.main-nav{display:flex;align-items:center;gap:30px;font-size:14px;font-weight:550}.main-nav>a{color:#56647a;padding:12px 0;transition:color .15s}.main-nav>a:hover{color:var(--blue)}.button{display:inline-flex;justify-content:center;align-items:center;gap:10px;min-height:47px;padding:12px 19px;border-radius:10px;border:1px solid transparent;font-size:14px;font-weight:650;line-height:1.45;transition:background .15s,transform .15s,border-color .15s}.button:hover{transform:translateY(-1px)}.button-primary{background:var(--blue);color:#fff;box-shadow:0 5px 12px #2358cd14}.button-primary:hover{background:var(--blue-dark)}.button-outline{background:#fff;border-color:#d9e2f0;color:var(--ink)}.button-outline:hover{background:#f6f8fd;border-color:#b6c7e7}.account-menu{position:relative}.account-options{position:absolute;right:0;top:calc(100% + 12px);width:290px;padding:11px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow)}.menu-label{display:block;padding:8px 10px;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:1px}.account-options>a{display:flex;align-items:center;gap:12px;padding:13px 10px;border-radius:9px}.account-options>a:hover{background:var(--blue-soft)}.account-options>a>.icon:first-child{color:var(--blue)}.account-options>a>.icon:last-child{margin-left:auto;color:#8292aa}.account-options small{display:block;color:var(--muted);font-weight:400;font-size:11px;margin-top:4px}.menu-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:10px;width:44px;height:44px;align-items:center;justify-content:center}
.hero{padding-top:73px;padding-bottom:78px;display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:58px}.eyebrow{display:flex;align-items:center;gap:8px;text-transform:uppercase;letter-spacing:1.8px;color:var(--blue);font-weight:700;font-size:10px;line-height:1.7}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px #2358cd0c}.hero h1{font-size:clamp(46px,4.7vw,64px);line-height:1.08;font-weight:760;margin-top:19px;letter-spacing:-3px}.hero h1>span{color:var(--blue)}.hero-description{font-size:16px;color:var(--muted);max-width:465px;margin-top:24px;line-height:1.75}.hero-actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:29px}.hero-note{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:11px;margin-top:20px}.hero-note>.icon{color:#6f8ab6}.lesson-visual{position:relative;border:1px solid #e1e8f3;background:linear-gradient(135deg,#f2f6ff,#f9fbff);border-radius:25px;padding:25px 23px 20px;box-shadow:0 24px 65px #2c529c0a}.visual-heading{display:flex;align-items:center;gap:8px;color:#64748e;font-size:11px;margin:0 0 22px 4px}.visual-heading-mark{width:7px;height:7px;background:#86a6ed;border-radius:2px}.lesson-path{position:relative;display:grid;gap:15px}.lesson-path:before{content:'';position:absolute;left:30px;top:15px;bottom:15px;width:1px;background:#d0dcef}.lesson-step{position:relative;display:flex;align-items:flex-start;gap:14px;padding:19px 16px;background:#fff;border:1px solid #e5ebf6;border-radius:13px;box-shadow:0 4px 12px #2b529907}.step-icon{flex:0 0 35px;width:35px;height:35px;background:#f0f4ff;color:var(--blue);border-radius:10px;display:grid;place-items:center}.step-icon>.icon{width:20px;height:20px}.step-label{display:block;text-transform:uppercase;font-size:8px;font-weight:700;letter-spacing:1px;color:#8a98ad;margin:0 0 6px}.lesson-step strong{font-size:13px;font-weight:650;display:block;letter-spacing:-.2px}.step-caption{font-size:10px;color:#8995a6;display:block;margin-top:6px}.step-number{font-size:10px;color:#adb9ca;margin-left:auto;padding-top:3px}.code-step{border-color:#c6d7ff;box-shadow:0 8px 22px #2358cd08}.code-example{margin-top:14px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:10px;line-height:1.9;color:#536684;overflow-wrap:anywhere}.code-example span{color:#3d6bd5}.visual-footer{display:flex;align-items:center;justify-content:center;gap:7px;margin-top:21px;font-size:10px;color:#8190a6}.tiny-dot{width:5px;height:5px;border-radius:50%;background:#91a6ca}
.services-section{padding:58px 0 39px;background:var(--paper);border-top:1px solid #edf1f8;border-bottom:1px solid #edf1f8}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:27px}.section-heading h2{margin-top:9px}.section-heading p{font-size:14px;color:var(--muted);margin-top:11px}.search-field{display:flex;align-items:center;gap:9px;flex:0 0 256px;height:45px;padding:0 13px;border:1px solid #dfe5ef;border-radius:10px;background:#fff;color:#8d9aaf}.search-field>.icon{width:18px;height:18px}.search-field input{width:100%;min-width:0;border:0;background:transparent;font-size:13px;color:var(--ink);outline:none}.search-field:focus-within{outline:3px solid #dce7ff;border-color:#9bb7f1}.search-field input:focus-visible{outline:none}.search-field input::placeholder{color:#8d9aaf}.catalog-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;gap:18px}.filters{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.filter-button{padding:9px 16px;background:transparent;border:1px solid transparent;border-radius:8px;font-size:12px;font-weight:550;color:#77849a;min-height:38px}.filter-button:hover{color:var(--blue);background:#edf2fc}.filter-button[aria-pressed=true]{color:var(--blue);background:#e8efff;border-color:#d5e1ff}.results-count{font-size:11px;color:#8995a7}.service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.service-card{display:flex;flex-direction:column;min-height:292px;padding:25px 25px 22px;background:#fff;border:1px solid #e2e8f1;border-radius:var(--radius);box-shadow:0 3px 8px #273e6902;transition:box-shadow .18s,transform .18s,border-color .18s}.service-card:hover{box-shadow:0 12px 30px #273e6909;transform:translateY(-3px);border-color:#c8d7ee}.card-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:24px}.service-icon{width:43px;height:43px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;border-radius:13px;background:#edf3ff;color:var(--blue)}.service-status{display:inline-flex;gap:5px;align-items:center;font-size:10px;font-weight:550}.service-status.available{color:#52826d}.service-status.available>span{width:5px;height:5px;background:#70a58b;border-radius:50%}.service-status.upcoming{color:#8290a5;background:#f2f4f8;padding:5px 8px;border-radius:6px}.service-category{font-size:9px;font-weight:650;text-transform:uppercase;letter-spacing:1.3px;color:#8d99ac;margin-bottom:8px}.service-card h3{font-weight:650}.service-card>p{font-size:12px;line-height:1.8;color:var(--muted);margin-top:12px;margin-bottom:23px}.card-bottom{margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:10px;justify-content:space-between}.card-link{display:inline-flex;align-items:center;gap:7px;padding:0;background:transparent;border:0;color:var(--blue);font-size:12px;font-weight:650;line-height:1.6}.card-link:hover{text-decoration:underline;text-underline-offset:4px}.card-link>.icon{transition:transform .15s}.card-link:hover>.icon{transform:translateX(3px)}.card-bottom>span{font-size:9px;color:#9aa5b5}.upcoming-card .service-icon{background:#f1f4fa;color:#7385a4}.upcoming-card .card-link{color:#667c9f}.student-note{display:flex;align-items:center;justify-content:center;gap:10px;color:#75849c;margin:26px auto 0;max-width:760px}.student-note>.icon{width:17px;height:17px;color:#91a0b6}.student-note p{font-size:11px}.student-note strong{font-weight:600;color:#60718c}.empty-state{padding:40px 20px 35px;text-align:center;border:1px dashed #d3deef;border-radius:16px;background:#fff}.empty-state>.service-icon{margin-bottom:17px}.empty-state h3{font-size:20px}.empty-state p{font-size:13px;color:var(--muted);margin:10px 0 22px}
.learning-section{padding-top:77px;padding-bottom:80px;display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.learning-intro h2{margin-top:13px}.learning-intro p{font-size:14px;color:var(--muted);max-width:430px;margin-top:21px}.text-link{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:650;color:var(--blue);margin-top:24px}.text-link:hover{text-decoration:underline;text-underline-offset:4px}.text-link>.icon{width:19px;height:19px}.course-preview{border:1px solid var(--line);border-radius:17px;padding:24px;box-shadow:0 16px 45px #20396606}.course-preview-top{display:flex;gap:9px;align-items:center;font-size:11px;font-weight:650;padding-bottom:21px;border-bottom:1px solid #edf1f7}.course-preview-top>.icon{width:18px;height:18px;color:var(--blue)}.open-label{font-size:9px;font-weight:500;color:#92a0b3;margin-left:auto}.course-row{display:flex;gap:15px;align-items:center;padding:23px 0;border-bottom:1px solid #edf1f7}.course-row:hover strong{color:var(--blue)}.grade-number{width:43px;height:43px;flex-shrink:0;display:grid;place-items:center;background:#f1f5fe;color:#5579c3;font-size:20px;font-weight:650;letter-spacing:-.5px;border-radius:12px}.course-row strong{font-size:13px;font-weight:600;display:block}.course-row div>span{font-size:10px;color:var(--muted);display:block;margin-top:6px}.course-row>.icon{width:17px;height:17px;color:#9baac1;margin-left:auto}.course-preview-bottom{display:flex;align-items:center;gap:7px;font-size:9px;color:#8b99ad;margin-top:18px}.course-preview-bottom>.icon{color:#7190bc}.site-footer{background:#f8fafd;border-top:1px solid #e9eef5}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-top:32px;padding-bottom:32px;flex-wrap:wrap}.footer-brand{font-size:23px;gap:0}.footer-inner p{font-size:10px;color:#8c98ab;margin-top:8px}.footer-inner nav{display:flex;gap:20px;flex-wrap:wrap;font-size:11px;color:#6d7b90}.footer-inner nav a:hover{color:var(--blue)}.copyright{font-size:10px;color:#96a1b3}.service-dialog{width:min(450px,calc(100% - 36px));max-height:calc(100dvh - 50px);overflow:auto;padding:34px;border:1px solid var(--line);border-radius:22px;box-shadow:0 30px 100px #13264a30;color:var(--ink);background:#fff}.service-dialog::backdrop{background:#16274665;backdrop-filter:blur(3px)}.service-dialog>.service-icon{display:flex;margin-bottom:17px}.service-dialog h2{font-size:27px;margin:14px 0}.service-dialog p{font-size:14px;color:var(--muted)}.service-dialog .dialog-note{font-size:12px;margin-top:17px;padding-top:17px;border-top:1px solid var(--line)}.dialog-close{position:absolute;right:15px;top:15px;border:0;background:#f5f7fb;display:grid;place-items:center;width:33px;height:33px;border-radius:9px;color:#77869e}.dialog-done{margin-top:24px}
@media(min-width:1400px){.hero{padding-top:88px;padding-bottom:90px}}
@media(max-width:1050px){.container{width:calc(100% - 48px)}.main-nav{gap:20px}.hero{gap:35px;grid-template-columns:1.05fr 1fr}.hero h1{font-size:48px}.hero-actions .button{font-size:12px;padding:11px 13px}.lesson-visual{padding:21px 15px 18px}.lesson-step{padding:17px 12px;gap:10px}.lesson-step strong{font-size:12px}.step-number{display:none}.visual-heading{font-size:10px}.service-card{padding:22px 20px}.service-card h3{font-size:19px}.card-bottom{align-items:flex-start;flex-direction:column;gap:7px}.learning-section{gap:45px}.footer-inner nav{gap:13px}}
@media(max-width:800px){.header-inner{min-height:80px}.brand{font-size:25px}.main-nav{gap:17px;font-size:12px}.main-nav .button{font-size:12px;padding:10px 12px}.hero{padding-top:52px;padding-bottom:55px;gap:25px;grid-template-columns:1fr 1fr}.hero h1{font-size:42px;letter-spacing:-2px}.hero-description{font-size:14px;margin-top:20px}.hero-actions{gap:9px}.hero-actions .button{padding:10px 12px}.hero-note{font-size:10px}.visual-heading{font-size:9px}.lesson-step{padding:15px 10px;gap:9px}.step-icon{width:29px;height:29px;flex-basis:29px;border-radius:8px}.lesson-step strong{font-size:11px}.step-label{font-size:7px}.step-caption{font-size:8px}.code-example{font-size:8px}.visual-footer{font-size:8px}.services-section{padding-top:42px}.section-heading h2{font-size:29px}.section-heading p{font-size:12px}.search-field{flex-basis:210px}.service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.service-card{min-height:280px}.card-bottom{align-items:center;flex-direction:row}.learning-section{padding-top:55px;padding-bottom:55px;gap:30px}.learning-intro h2{font-size:29px}.learning-intro p{font-size:12px}.course-preview{padding:18px}.course-row strong{font-size:11px}.course-row div>span{font-size:9px}.open-label{display:none}.grade-number{width:36px;height:36px;font-size:18px}.course-row{gap:10px}.course-preview-bottom{font-size:8px}.text-link{font-size:11px}}
@media(max-width:640px){html{scroll-padding-top:25px}.container{width:calc(100% - 36px)}.header-inner{min-height:74px;flex-wrap:wrap;gap:0}.brand{font-size:25px}.brand-mark{width:32px;height:34px;font-size:28px;border-radius:9px}.menu-toggle{display:flex}.main-nav{display:none;flex:0 0 100%;padding:9px 0 19px;align-items:stretch;flex-direction:column;gap:3px;font-size:14px}.main-nav.is-open{display:flex}.main-nav>a{padding:13px 5px}.main-nav .button{font-size:14px;justify-content:space-between;width:100%;margin-top:7px}.account-options{position:static;width:100%;margin-top:9px;box-shadow:none}.hero{padding-top:37px;padding-bottom:40px;display:block}.hero h1{font-size:48px;letter-spacing:-2.5px;line-height:1.09}.hero .eyebrow{font-size:9px;letter-spacing:1.5px}.hero-description{font-size:15px;max-width:440px}.hero-actions{margin-top:24px}.hero-actions .button{font-size:13px;padding:12px 15px}.hero-note{margin-top:17px;font-size:10px}.lesson-visual{margin-top:34px;padding:21px 18px 17px;max-width:460px}.visual-heading{font-size:10px;margin-bottom:18px}.lesson-step{padding:16px 14px;gap:13px}.step-icon{width:34px;height:34px;flex-basis:34px}.lesson-step strong{font-size:13px}.step-label{font-size:8px}.step-caption{font-size:10px}.code-example{font-size:10px}.visual-footer{font-size:9px}.step-number{display:block}.services-section{padding-top:34px;padding-bottom:28px}.section-heading{display:block;margin-bottom:19px}.section-heading h2{font-size:29px}.section-heading p{font-size:13px;margin-top:10px}.search-field{margin-top:22px;width:100%;height:46px}.search-field input{font-size:16px}.catalog-toolbar{gap:10px;margin-bottom:18px}.filters{gap:3px}.filter-button{padding:9px 11px;font-size:11px;min-height:41px}.results-count{font-size:10px}.service-grid{grid-template-columns:1fr;gap:13px}.service-card{min-height:0;padding:23px}.card-top{margin-bottom:20px}.service-card h3{font-size:22px}.service-card>p{font-size:13px;margin-bottom:22px}.service-category{font-size:9px}.card-bottom{align-items:center;gap:12px}.card-bottom>span{font-size:9px}.card-link{font-size:13px;min-height:30px}.service-status{font-size:10px}.student-note{align-items:flex-start;gap:9px;margin-top:22px}.student-note p{font-size:11px}.student-note>.icon{margin-top:2px}.learning-section{display:block;padding-top:42px;padding-bottom:42px}.learning-intro h2{font-size:32px}.learning-intro p{font-size:14px}.text-link{font-size:12px}.course-preview{margin-top:28px;padding:23px}.course-preview-top{font-size:11px}.open-label{display:block;font-size:8px}.course-row{gap:13px}.course-row strong{font-size:12px}.course-row div>span{font-size:10px}.course-preview-bottom{font-size:9px}.grade-number{width:42px;height:42px;font-size:20px}.footer-inner{align-items:flex-start;gap:24px;padding-top:27px;padding-bottom:27px}.footer-inner>div{flex-basis:100%}.footer-inner nav{font-size:11px;gap:17px}.copyright{margin-top:2px}.service-dialog{padding:29px}.dialog-close{width:38px;height:38px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}