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.landing-btn--primary{color:#fff;background:#0f172aeb;box-shadow:0 8px 18px #0f172a2e}html.light .landing-btn--primary:hover,html.light .landing-btn--primary:focus-visible{background:#0f172a}html.light .landing-btn--secondary{color:#000000d1;background:#ffffffc7;border-color:#0000001a}html.light .landing-btn--secondary:hover,html.light .landing-btn--secondary:focus-visible{background:#fffffff5}html.light .landing-link-cta{color:#000000d9;text-decoration-color:#00000038}html.dark .landing-page,html.dark .landing-page li,html.dark .landing-page p{color:#ffffffb3}html.dark .landing-page h1,html.dark .landing-page h2,html.dark .landing-page h3{color:#fffffff2}html.dark .landing-surface{background:#0000004d;border-color:#ffffff1a;box-shadow:0 16px 36px #02061747}html.dark .landing-subcard,html.dark .landing-kicker,html.dark .landing-pill,html.dark .landing-chip{background:#ffffff08;border-color:#ffffff17}html.dark .landing-kicker,html.dark .landing-label{color:#fff9}html.dark .landing-question{color:#ffffffed}html.dark .landing-choice{color:#ffffffc7;background:#ffffff06;border-color:#ffffff14}html.dark .landing-choice.is-correct{color:#a7f3d0fa;background:#10b98129;border-color:#10b98159}html.dark .landing-progress-pill{color:#a7f3d0f2;background:#10b98124;border-color:#34d3994d}html.dark .landing-btn--primary{color:#020617;background:#ffffffeb;box-shadow:0 8px 18px #02061742}html.dark .landing-btn--primary:hover,html.dark .landing-btn--primary:focus-visible{background:#fff}html.dark .landing-btn--secondary{color:#ffffffdb;background:#ffffff08;border-color:#ffffff1c}html.dark .landing-btn--secondary:hover,html.dark .landing-btn--secondary:focus-visible{background:#ffffff0f}html.dark .landing-link-cta{color:#ffffffe6;text-decoration-color:#fff3}@media (min-width:640px){.landing-page{gap:1.75rem;padding:2.75rem 1.5rem 4rem}.landing-section{padding:1.4rem}.landing-actions{flex-flow:wrap}.landing-pill-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.landing-feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.landing-section-head{flex-direction:row;justify-content:space-between;align-items:flex-end}}@media (min-width:1024px){.landing-page{width:min(100%,76rem)}.landing-hero-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:start}.landing-section{padding:1.55rem}}html.light .sidebar a,html.light .sidebar button,html.light .sidebar span,html.dark .sidebar a,html.dark .sidebar button,html.dark .sidebar span{opacity:1!important}html.dark .sidebar{--sb-fg:#ffffffeb;--sb-fg-muted:#ffffffb8;--sb-hover:#ffffff0f;--sb-active:#ffffff1a;--sb-accent:#7fbfa8f2}html.light .sidebar{--sb-fg:#0f172a;--sb-fg-muted:#334155;--sb-hover:#0f172a0d;--sb-active:#0f172a14;--sb-accent:#0b3b8ae6}html.light .sidebar .nav-list,html.dark .sidebar .nav-list{gap:6px}html.light .sidebar .nav-section,html.dark .sidebar .nav-section{gap:4px}html.light .sidebar .nav-section+.nav-section,html.dark .sidebar .nav-section+.nav-section{margin-top:8px}html.light .sidebar .nav-sublist,html.dark .sidebar .nav-sublist{gap:4px;padding-left:6px}html.light .sidebar .sb-item,html.dark .sidebar .sb-item{position:relative;color:var(--sb-fg)!important;opacity:1!important;box-shadow:none!important;background:0 0!important;border:0!important;border-radius:10px!important;padding:10px 12px!important}html.light .sidebar .sb-item .sb-label,html.dark .sidebar .sb-item .sb-label{font-weight:600;color:var(--sb-fg)!important;opacity:1!important}html.light .sidebar .sb-item .sb-chevron,html.dark .sidebar .sb-item .sb-chevron{color:var(--sb-fg-muted)!important;opacity:1!important}html.light .sidebar .nav-section-toggle.sb-item .sb-label,html.dark .sidebar .nav-section-toggle.sb-item .sb-label{font-size:.95rem;font-weight:700}html.light .sidebar .nav-link.sb-item,html.dark .sidebar .nav-link.sb-item{padding-left:24px!important}html.light .sidebar .nav-link.sb-item .sb-label,html.dark .sidebar .nav-link.sb-item .sb-label{font-weight:600}html.light .sidebar .sb-item:hover,html.light .sidebar .sb-item:focus-visible,html.dark .sidebar .sb-item:hover,html.dark .sidebar .sb-item:focus-visible{background:var(--sb-hover)!important}html.light .sidebar .sb-item.is-active,html.dark .sidebar .sb-item.is-active{background:var(--sb-active)!important}html.light .sidebar .sb-item.is-active:before,html.dark .sidebar .sb-item.is-active:before{content:"";background:var(--sb-accent);border-radius:3px;width:3px;position:absolute;top:8px;bottom:8px;left:0}html.light .sidebar .sb-item.is-disabled,html.dark .sidebar .sb-item.is-disabled{pointer-events:none;color:var(--sb-fg-muted)!important;opacity:.75!important}