:root{--ink:#0b0f11;--carbon:#171d20;--surface:#f3f4f1;--panel:#fff;--steel:#aab4b9;--line-dark:#2a3439;--line-light:#d7ddda;--heat:#d9783d;--data:#4c84ff;--verified:#32a77b;--text:#172025;--text-on-dark:#f3f4f1;--muted:#69757a;--page-gutter:clamp(1.25rem, 4vw, 3.75rem);--container:82.5rem;--radius-control:6px;--radius-card:8px;--radius-panel:12px;--shadow-card:0 4px 20px #17202505;--shadow-panel:0 20px 64px #1720250b, 0 2px 8px #17202504;--header-height:4.75rem;--font-sans:Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono:"SFMono-Regular", Consolas, "Liberation Mono", monospace}*,:after,:before{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--ink);scroll-padding-top:5rem}body{background:var(--surface);min-width:320px;color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;margin:0;font-size:16px}body.dialog-open{overflow:hidden}button,input,select,textarea{font:inherit}button:disabled{cursor:not-allowed;opacity:.5}svg{max-width:100%}a,button{-webkit-tap-highlight-color:transparent}:focus-visible{outline:2px solid var(--data);outline-offset:4px}::selection{background:var(--heat);color:var(--ink)}.container{width:min(var(--container),calc(100% - var(--page-gutter)*2));margin-inline:auto}.section-dark{background:var(--ink);color:var(--text-on-dark)}.section-light{background:var(--surface);color:var(--text)}.section{padding:6rem 0;position:relative}.section-heading{grid-template-columns:minmax(0,1.1fr) minmax(18rem,.8fr);align-items:end;gap:3rem;margin-bottom:2.75rem;display:grid}.section-heading h2{letter-spacing:-.045em;text-wrap:balance;max-width:18em;margin:.65rem 0 0;font-size:clamp(2.25rem,3.4vw,3rem);line-height:1.25}.section-heading>p{max-width:36rem;color:var(--muted);margin:0;line-height:1.85}.section-heading--dark>p{color:#919da1}.button{border-radius:var(--radius-control);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:1rem;min-height:3rem;padding:.82rem 1.25rem;font-weight:600;line-height:1.4;text-decoration:none;transition:background .2s,border-color .2s,color .2s,transform .2s;display:inline-flex}.button:hover{transform:translateY(-1px)}.button--primary{background:var(--heat);color:var(--ink);box-shadow:0 3px 8px #0000000a}.button--primary:hover{background:#e4874b}.button--ghost{color:#fff;background:#ffffff06;border-color:#fff3}.button--ghost:hover{background:#ffffff0e;border-color:#ffffff6b}.button--large{min-height:3.7rem;padding-inline:1.45rem}.button--small{min-height:2.75rem;padding:.7rem 1rem;font-size:.875rem}.button--outline{color:var(--text);border-color:var(--line-light);background:#fff}.button--outline:hover{border-color:var(--muted)}.section-label{color:var(--muted);margin:0 0 .75rem;font-size:.875rem}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=760px){.section{padding:3.5rem 0}.section-heading{grid-template-columns:1fr;gap:1.4rem}.section-heading h2{font-size:clamp(1.9rem,7vw,2.5rem)}}@media (width<=520px){:root{--header-height:4.2rem}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:after,:before{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}