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var(--atl-border)}.home-play-shape{transform:scale(.75)}}@media (max-width:420px){.home-app .home-header .brand>span:last-child{display:none}.home-hero h1{font-size:42px}.home-footer{flex-direction:column}}.ideas-artwork{position:relative;min-height:420px;overflow:hidden;display:grid;place-items:center;background:radial-gradient(ellipse at center,var(--atl-stage-glow),var(--atl-bg) 70%);border-left:1px solid var(--atl-border)}.ideas-interactive{display:block;width:min(88%,500px);height:auto;max-height:500px;overflow:visible}.ideas-guide{fill:none;stroke:var(--atl-border);stroke-width:1.2}.ideas-guide-inner{stroke-dasharray:3 9;opacity:.85}.ideas-connection{stroke:var(--atl-accent);stroke-width:1.5;opacity:.55;transition:opacity .25s}.ideas-artwork:hover .ideas-connection{opacity:.85}.ideas-node{fill:var(--atl-accent);stroke:var(--atl-bg);stroke-width:4}.ideas-node-secondary{fill:var(--atl-secondary)}.ideas-focus-halo{fill:var(--atl-accent);opacity:.1}.ideas-focus{fill:var(--atl-text);stroke:var(--atl-accent);stroke-width:3}@keyframes atl-appear{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.home-hero-copy>*{animation:atl-appear .65s ease-out both}.home-hero-copy>.home-description{animation-delay:.12s}.home-hero-copy>.home-primary-action{animation-delay:.22s}.home-lesson-card{transition:border-color .25s,transform .25s,box-shadow .25s}.home-lesson-card:hover{transform:translateY(-4px);box-shadow:0 15px 40px #0004}.home-primary-action{transition:background .2s,transform .2s}.home-primary-action:hover{transform:translateY(-2px)}@media (max-width:850px){.ideas-artwork{min-height:300px;border-left:0;border-top:1px solid var(--atl-border)}.ideas-interactive{width:min(70%,330px)}}@media (prefers-reduced-motion:reduce){.home-app *,.home-app *:before,.home-app *:after{animation:none!important;transition:none!important}.home-lesson-card:hover,.home-primary-action:hover{transform:none}}@keyframes atl-section-enter{0%{opacity:.5;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:no-preference){.home-intro.is-visible>p,.home-explore.is-visible .home-section-heading,.home-youtube.is-visible .home-youtube-content{animation:atl-section-enter .75s cubic-bezier(.2,.7,.2,1) both}.home-explore.is-visible .home-lesson-card{animation:atl-section-enter .75s cubic-bezier(.2,.7,.2,1) .12s both}}