:root{
  --ils-ink:#111936;--ils-muted:#6e7890;--ils-line:#e7eaf4;--ils-paper:#f7f9ff;--ils-card:#fff;
  --ils-violet:#6d4aff;--ils-violet-2:#8d72ff;--ils-cyan:#00b8d9;--ils-pink:#ff5ea8;--ils-gold:#ffb020;--ils-mint:#2bcf97;--ils-orange:#ff7849;--ils-blue:#3a7afe;--ils-slate:#43506c;
  --ils-shadow:0 18px 60px rgba(48,57,96,.10);--ils-radius:24px;--ils-radius-sm:16px;--ils-shell:1180px;
}
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.ils-path-hero-grid{display:grid;grid-template-columns:1fr auto;align-items:center;gap:2rem}.ils-path-hero-icon{width:190px;height:190px;border-radius:38px;display:grid;place-items:center;font-size:6rem;background:linear-gradient(135deg,#e8e0ff,#fff0f7);box-shadow:var(--ils-shadow)}.ils-path-facts{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:1.2rem}.ils-path-facts span{background:#fff;border:1px solid var(--ils-line);padding:.5rem .7rem;border-radius:999px;font-size:.74rem}.ils-path-page{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:2rem;padding-block:2.5rem 5rem}.ils-path-main>h2{font-size:2rem;margin:.1rem 0}.ils-path-main>p{color:var(--ils-muted)}.ils-path-lessons{list-style:none;padding:0;margin:1.2rem 0;display:grid;gap:.7rem}.ils-path-lessons li a{display:grid;grid-template-columns:auto auto 1fr auto;align-items:center;gap:.9rem;padding:.9rem 1rem;border:1px solid var(--ils-line);border-radius:18px;text-decoration:none;background:#fff;transition:.2s}.ils-path-lessons li a:hover{transform:translateX(4px);border-color:#cfc4ff}.ils-lesson-number{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#f0edff;color:var(--ils-violet);font-weight:900}.ils-path-lesson-icon{font-size:1.6rem}.ils-path-lessons small,.ils-path-lessons strong,.ils-path-lessons em{display:block}.ils-path-lessons small{font-size:.62rem;color:var(--ils-violet);font-weight:900;letter-spacing:.07em;text-transform:uppercase}.ils-path-lessons strong{margin:.1rem 0;font-size:.96rem}.ils-path-lessons em{font-style:normal;color:var(--ils-muted);font-size:.68rem}.ils-path-side{display:grid;gap:1rem;align-content:start}.ils-path-progress-card,.ils-path-side-card{padding:1.2rem;border:1px solid var(--ils-line);border-radius:22px;background:#fff;box-shadow:0 10px 28px rgba(47,57,95,.06)}.ils-path-progress-card>span{font-size:2.4rem}.ils-path-progress-card h3,.ils-path-side-card h3{margin:.5rem 0}.ils-path-progress-card p,.ils-path-side-card li{font-size:.8rem;color:var(--ils-muted)}.ils-path-side-card ul{padding-left:1.1rem;margin-bottom:0}

.ils-page{max-width:900px;padding-block:4rem 6rem}.ils-page header h1{font-size:clamp(2.8rem,6vw,5rem);letter-spacing:-.055em;margin:.5rem 0 2rem}.ils-404{text-align:center;padding:7rem 0}.ils-404-brain{font-size:5rem}.ils-404 h1{font-size:clamp(2.5rem,5vw,4.6rem);letter-spacing:-.05em;line-height:1;margin:.6rem auto 1rem;max-width:850px}.ils-404 p{color:var(--ils-muted)}.ils-404-actions{display:flex;justify-content:center;gap:.7rem;margin-top:1.4rem}.ils-secondary-button{flex:0 0 auto}.ils-comments{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--ils-line)}

.ils-footer{background:#f7f9ff;border-top:1px solid var(--ils-line)}.ils-footer-cta{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:center;padding-block:3rem;border-bottom:1px solid var(--ils-line)}.ils-footer-cta>div{display:grid;grid-template-columns:auto 1fr;gap:.2rem .8rem;align-items:center}.ils-footer-brain{font-size:2.4rem;grid-row:1/3}.ils-footer-cta h2{font-size:1.8rem;letter-spacing:-.04em;margin:0}.ils-footer-cta p{margin:0;color:var(--ils-muted)}.ils-newsletter{display:grid;grid-template-columns:1fr auto;padding:.35rem;background:#fff;border:1px solid var(--ils-line);border-radius:999px}.ils-newsletter input{border:0;outline:0;padding:.7rem .8rem;background:transparent;min-width:0}.ils-newsletter button{border:0;border-radius:999px;background:var(--ils-violet);color:#fff;padding:.7rem 1rem;font-weight:850;cursor:pointer}.ils-footer-grid{display:grid;grid-template-columns:1.7fr repeat(3,1fr);gap:2rem;padding-block:2.6rem}.ils-footer-grid h3{font-size:.82rem;margin:0 0 .8rem}.ils-footer-grid p,.ils-footer-grid a{display:block;font-size:.76rem;color:var(--ils-muted);text-decoration:none;margin:.38rem 0}.ils-footer-grid a:hover{color:var(--ils-violet)}.ils-footer-grid .ils-brand{margin-bottom:.8rem}.ils-footer-bottom{display:flex;justify-content:space-between;gap:1rem;padding:1rem 0 1.5rem;border-top:1px solid var(--ils-line);font-size:.7rem;color:#8892a7}

body.ils-dark{--ils-ink:#eef1ff;--ils-muted:#aeb7cc;--ils-line:#313a5c;--ils-paper:#131a2f;--ils-card:#18213a;background:#0e1528;color:var(--ils-ink)}body.ils-dark .ils-header{background:rgba(14,21,40,.91);border-color:var(--ils-line)}body.ils-dark .ils-menu a{color:#dbe0f3}body.ils-dark .ils-search-panel,body.ils-dark .ils-search-panel input,body.ils-dark .ils-signin,body.ils-dark .ils-card,body.ils-dark .ils-path-card,body.ils-dark .ils-play-card,body.ils-dark .ils-tutor,body.ils-dark .ils-path-mini,body.ils-dark .ils-path-lessons li a,body.ils-dark .ils-path-progress-card,body.ils-dark .ils-path-side-card,body.ils-dark .ils-footer-cta .ils-newsletter{background:#18213a;color:var(--ils-ink)}body.ils-dark .ils-hero,body.ils-dark .ils-archive-hero,body.ils-dark .ils-path-hero{background:linear-gradient(180deg,#151d35,#0e1528)}body.ils-dark .ils-home-utility .ils-daily-card,body.ils-dark .ils-home-utility .ils-streak-card{background:#18213a}body.ils-dark .ils-askbar{background:#18213a;border-color:var(--ils-line)}body.ils-dark .ils-askbar input{color:#fff}body.ils-dark .ils-topic-chips a{background:#18213a}body.ils-dark .ils-footer{background:#121a30}body.ils-dark .ils-feature-grid article,body.ils-dark .ils-generic-card{background:#18213a}body.ils-dark .ils-quick-check{background:#131a2f}body.ils-dark .ils-quick-check label{background:#18213a}body.ils-dark .ils-choice-row button,body.ils-dark .ils-secondary-button{background:#18213a}

@media(max-width:1080px){.ils-primary-nav{display:none}.ils-menu-toggle{display:block}.ils-header[data-mobile-open=true] .ils-primary-nav{display:block;position:absolute;top:74px;left:0;right:0;background:#fff;border-bottom:1px solid var(--ils-line);padding:1rem 16px}.ils-header[data-mobile-open=true] .ils-menu{display:grid;gap:.2rem;max-width:var(--ils-shell);margin:auto}.ils-header[data-mobile-open=true] .ils-menu a{display:block;padding:.75rem;border-radius:10px}.ils-header[data-mobile-open=true] .ils-menu a:hover{background:#f5f6fb}.ils-lesson-layout{grid-template-columns:190px minmax(0,1fr)}.ils-tutor{position:relative;top:auto;grid-column:2}.ils-grid{grid-template-columns:repeat(3,1fr)}.ils-archive-grid{grid-template-columns:repeat(3,1fr)}}
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@media(max-width:560px){.ils-shell{width:min(calc(100% - 22px),var(--ils-shell))}.ils-header-inner{min-height:66px}.ils-brand-name{font-size:1.15rem}.ils-brand-mark{width:36px;height:36px}.ils-icon-button{display:none}.ils-hero-grid{padding-top:2.5rem}.ils-hero h1{font-size:3.15rem}.ils-hero-art{min-height:245px}.ils-float-card{transform:scale(.88)}.ils-float-card-a{left:-3%}.ils-float-card-b{right:-3%}.ils-hero-art>p{display:none}.ils-grid,.ils-mini-grid,.ils-split-sections .ils-mini-grid,.ils-path-grid,.ils-archive-grid{grid-template-columns:1fr 1fr}.ils-card h3{font-size:.9rem}.ils-card-meta span:last-child{display:none}.ils-path-card{grid-column:1/-1}.ils-feature-grid{grid-template-columns:1fr 1fr}.ils-knowledge-promo{padding:1.35rem}.ils-demo-map{grid-template-columns:1fr}.ils-demo-ring{margin:auto;width:150px;height:150px}.ils-footer-grid{grid-template-columns:1fr 1fr}.ils-footer-grid>div:first-child{grid-column:1/-1}.ils-footer-bottom{flex-direction:column}.ils-footer-cta h2{font-size:1.45rem}.ils-newsletter{grid-template-columns:1fr}.ils-newsletter button{margin-top:.2rem}.ils-lesson-head{display:block}.ils-save-button{margin-top:.7rem}.ils-lesson-hero{aspect-ratio:1.25/1}.ils-lesson-hero>span{font-size:4.5rem}.ils-tutor{position:relative}.ils-path-lessons li a{grid-template-columns:auto auto 1fr}.ils-path-lessons li a>b{display:none}.ils-404-actions{flex-direction:column;align-items:center}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
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.ils-hero-illustration{width:min(360px,88%);height:auto;aspect-ratio:1.02/1;overflow:hidden;padding:0;background:#f7fbff;transform:rotate(-2deg)}.ils-hero-illustration img{width:100%;height:100%;object-fit:cover;display:block}