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var(--sp-1);border-radius:var(--r-pill);background:var(--accent);color:var(--surface);font-size:var(--fs-small);font-weight:700;line-height:1}.mf-comic-caption{font-size:var(--fs-small);line-height:1.5;text-align:left;overflow-wrap:anywhere}.mf-comic-speak{margin:var(--sp-3) 0 0}@media(min-width:900px){.mf-comic{grid-template-columns:repeat(5,minmax(0,1fr));gap:var(--sp-2)}.mf-comic-caption{font-size:var(--fs-caption)}}.mf-system{display:grid;grid-template-columns:auto minmax(0,1fr);gap:var(--sp-2);align-items:stretch;width:fit-content;max-width:100%;margin:0 auto}.mf-system-brace{width:.9rem;min-height:4.5rem;height:100%;fill:none;stroke:var(--accent);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.mf-system-brace 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4}.mf-vec-head{fill:var(--ink);stroke:var(--ink);stroke-width:1;stroke-linejoin:round}.mf-vec-head.is-open{fill:none;stroke-width:2.5;stroke-linecap:round}.mf-vec-over{fill:none;stroke:var(--ink);stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}.mf-axis{fill:none;stroke:var(--ink);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}@media(min-width:600px){.math-options{grid-template-columns:repeat(auto-fit,minmax(10rem,1fr))}}.math-nowrap{white-space:nowrap}.math-sup{position:static;top:auto;font-size:.75em;line-height:0;vertical-align:.45em}.landing{background:var(--paper);min-height:100vh}.landing-container{width:min(100% - 96px,1224px);margin-inline:auto}.landing a{text-decoration:none}.landing main:focus{outline:none}.landing-header{min-height:100px;display:flex;align-items:center;gap:36px;border-bottom:1px solid var(--line);position:relative;z-index:5}.landing-brand{display:inline-flex;min-height:44px;align-items:center;gap:10px;font-size:24px;font-weight:800;letter-spacing:-1px;white-space:nowrap}.landing-desktop-nav{display:flex;gap:27px;align-items:center;margin-left:auto}.landing-desktop-nav button,.landing-login,.landing-mobile-nav>a,.landing-mobile-nav>button{border:0;background:none;padding:12px 0;font-size:var(--fs-small);font-weight:600;min-height:44px}.landing-desktop-nav button:hover,.landing-login:hover,.landing-footer a:hover{color:var(--green);text-decoration:underline;text-underline-offset:5px}.landing-login{display:inline-flex;align-items:center;gap:9px;border-left:1px solid var(--line);padding-left:29px;white-space:nowrap}.landing-menu-toggle{display:none;border:0;background:none;padding:10px;margin-right:-10px;min-width:44px;min-height:44px}.landing-mobile-nav{position:absolute;top:calc(100% - 1px);inset-inline:0;background:var(--paper);box-shadow:0 16px 24px var(--shade-ink-sm);border:1px solid var(--line);padding:14px 24px;display:flex;flex-direction:column;align-items:stretch}.landing-mobile-nav>button,.landing-mobile-nav>a{text-align:left;font-size:var(--fs-body)}.landing-hero{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center;padding-block:48px 52px}.landing-kicker{text-transform:uppercase;letter-spacing:.1em;font-size:var(--fs-caption);font-weight:700;margin:0 0 22px;color:var(--muted)}.landing h1{font-size:var(--fs-display);font-weight:800;line-height:1.08;letter-spacing:-.065em;margin:0 0 26px}.landing h1 span{color:var(--warm)}.landing-hero-lead{font-size:var(--fs-h3);letter-spacing:-.6px;font-weight:600;margin:0 0 16px}.landing-hero-description{font-size:var(--fs-body);line-height:1.85;color:var(--muted);max-width:43ch;margin:0}.landing-hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px 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