:root{--bg:#fbfcfd;--surface:#fff;--text:#1a2027;--text-muted:#5b6671;--accent:#2f8f86;--neutral:#c2cbd2;--border:#e7ebef;color:var(--text);background-color:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6}*{box-sizing:border-box}body{margin:0}.page{max-width:720px;margin:0 auto;padding:0 24px}.hero{text-align:center;padding:96px 0 56px}.hero__title{letter-spacing:-.02em;margin:0;font-size:clamp(2.5rem,7vw,3.75rem);font-weight:600}.hero__subline{color:var(--text-muted);margin:12px 0 0;font-size:clamp(1.05rem,2.5vw,1.25rem)}.graph{width:100%;max-width:420px;height:auto;margin:48px auto 0;display:block}.edge{stroke:var(--neutral);stroke-width:1.5px;stroke-linecap:round}.edge--path{stroke:var(--accent);stroke-width:2.25px;animation:4s ease-in-out infinite path-pulse}.node{fill:var(--neutral)}.node--path{fill:var(--accent);animation:4s ease-in-out infinite path-pulse}@keyframes path-pulse{0%,to{opacity:1}50%{opacity:.55}}@media (prefers-reduced-motion:reduce){.edge--path,.node--path{animation:none}}.content{padding:24px 0 16px}.section{border-top:1px solid var(--border);padding:28px 0}.section__heading{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin:0 0 10px;font-size:.8rem;font-weight:600}.section__body{max-width:60ch;margin:0;font-size:1.0625rem}.link{color:var(--accent);border-bottom:1px solid #0000;text-decoration:none;transition:border-color .15s}.link:hover{border-bottom-color:var(--accent)}.footer{border-top:1px solid var(--border);color:var(--text-muted);margin-top:8px;padding:40px 0 56px;font-size:.875rem}.footer p{margin:0}@media (width<=480px){.hero{padding:64px 0 40px}}