:root{--font-sans:var(--font-ltg), ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--heading-1-size-value:4;--heading-2-size-value:2.8;--color-brand-text-gray:#6b7280}.tracking-responsive{letter-spacing:-.01em}:lang(zh){--font-sans:var(--font-cjk), var(--font-ltg), ui-sans-serif, system-ui, sans-serif;letter-spacing:normal}:lang(hi){--font-sans:var(--font-devanagari), var(--font-ltg), ui-sans-serif, system-ui, sans-serif;letter-spacing:normal}:lang(zh) .hero-text,:lang(zh) .section-title,:lang(zh) .tracking-responsive,:lang(hi) .hero-text,:lang(hi) .section-title,:lang(hi) .tracking-responsive{letter-spacing:normal}:lang(hi) .hero-text,:lang(hi) .section-title{line-height:1.35}.hero-text{font-family:var(--font-sans);font-size:calc((var(--heading-1-size-value) - 1) * 1vw + 1rem);letter-spacing:-.01em;font-weight:500;line-height:1.1}.section-title{font-family:var(--font-sans);font-size:calc((var(--heading-2-size-value) - 1) * 1vw + 1rem);letter-spacing:-.025em;font-weight:500;line-height:1.06}@keyframes imessage-typing{0%,60%,to{opacity:.35;transform:translateY(0)}30%{opacity:1;transform:translateY(-2px)}}.learning-start-pill{isolation:isolate;background:var(--color-cloud);min-width:152px;max-width:100%;height:36px;box-shadow:0 0 0 1px var(--color-mist), 0 2px 4px #0000000a;border-radius:32px;flex-shrink:0;justify-content:center;align-self:center;align-items:center;gap:8px;padding:8px 12px;display:flex;position:relative;overflow:hidden}.learning-start-pill:before{content:"";aspect-ratio:2;background:radial-gradient(100% 100% at right center, var(--color-slate), transparent 50%);offset-path:border-box;offset-anchor:100% 50%;pointer-events:none;width:50%;animation:40s linear infinite learning-border-laps;position:absolute}.learning-start-pill:after{content:"";border-radius:inherit;background:var(--color-cloud);pointer-events:none;position:absolute;inset:1px}@keyframes learning-border-laps{0%{offset-distance:0%;opacity:1}50%{offset-distance:800%;opacity:1}50.1%,to{offset-distance:800%;opacity:0}}@media (prefers-reduced-motion:reduce){.learning-start-pill:before{opacity:0;animation:none}}