.reveal{opacity:0;transform:translateY(14px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}.reveal.in{opacity:1;transform:translateY(0)}.reveal-stagger>*{opacity:0;transform:translateY(12px);transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1)}.reveal-stagger.in>*{opacity:1;transform:translateY(0)}.reveal-stagger.in>*:nth-child(n){transition-delay:0ms}@media(prefers-reduced-motion:reduce){.reveal,.reveal-stagger>*{opacity:1!important;transform:none!important;transition:none!important}}section.s-hero{padding:80px 0 64px;text-align:center}.s-hero .eyebrow{display:inline-flex;align-items:center;gap:10px;padding:6px 14px 6px 6px;background:#1d56e814;border:1px solid rgba(29,86,232,.18);border-radius:999px;color:var(--blue);font-size:12.5px;font-weight:500;margin-bottom:32px;white-space:nowrap}.s-hero .eyebrow .dot{width:18px;height:18px;border-radius:999px;background:var(--blue);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:10px}.s-hero h1{font-size:clamp(40px,5.6vw,80px);line-height:1;letter-spacing:-.04em;font-weight:700;margin:0 auto 28px;max-width:1040px;text-wrap:balance}.s-hero h1 .blue{color:var(--blue)}.s-hero .lede{font-size:clamp(18px,1.5vw,22px);color:var(--ink-2);max-width:720px;margin:0 auto 40px;line-height:1.5}.s-hero .hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.sec-head{text-align:center;max-width:760px;margin:0 auto 56px}.lab{display:inline-block;padding:4px 12px;border-radius:999px;background:#1d56e81a;color:var(--blue);font-family:JetBrains Mono,monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:22px}.sec-head h2{margin:0 0 14px;font-size:clamp(32px,4vw,56px);font-weight:700;letter-spacing:-.035em;line-height:1.02}.sec-head h2 .blue{color:var(--blue)}.sec-head p{margin:0;color:var(--ink-2);font-size:17px;line-height:1.5}code{font-family:JetBrains Mono,monospace;font-size:.9em}section.s-lifecycle{padding:96px 0;border-top:1px solid var(--rule-soft)}.machine{max-width:1080px;margin:0 auto;background:#fff;border:1px solid var(--rule);border-radius:20px;padding:48px 40px}.machine .track{display:flex;align-items:stretch;justify-content:center;gap:0;flex-wrap:wrap}.node{flex:0 0 auto;min-width:132px;background:var(--paper);border:1px solid var(--rule);border-radius:14px;padding:16px 18px;display:flex;flex-direction:column;gap:4px;position:relative}.node .ntag{font-family:JetBrains Mono,monospace;font-size:14px;font-weight:600;color:var(--ink);letter-spacing:-.01em}.node .ndesc{font-size:12.5px;color:var(--muted)}.node-active{border-color:#1d56e859;background:#1d56e80d}.node-active .ntag{color:var(--blue)}.node-active .loop{position:absolute;top:-11px;right:14px;font-family:JetBrains Mono,monospace;font-size:10px;letter-spacing:.04em;background:var(--blue);color:#fff;padding:3px 8px;border-radius:999px}.node-cancel{background:var(--ink);border-color:var(--ink)}.node-cancel .ntag{color:#fff}.node-cancel .ndesc{color:#fafaf78c}.edge{flex:1 1 40px;min-width:56px;display:flex;align-items:center;justify-content:center;position:relative}.edge:before{content:"";position:absolute;left:6px;right:6px;top:50%;height:1.5px;background:var(--rule)}.edge:after{content:"▸";position:absolute;right:2px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:11px}.edge .elabel{position:relative;background:#fff;padding:2px 8px;font-family:JetBrains Mono,monospace;font-size:10px;color:var(--muted);letter-spacing:.02em;text-align:center;line-height:1.3;max-width:110px}.machine .branch{margin-top:28px;padding-top:24px;border-top:1px dashed var(--rule);display:flex;align-items:center;gap:24px;flex-wrap:wrap;justify-content:center}.node-pause{background:var(--paper-2)}.branch-note{margin:0;font-size:13.5px;color:var(--muted)}.branch-note strong{color:var(--ink)}section.s-dunning{padding:96px 0;background:var(--paper-2);border-top:1px solid var(--rule-soft);border-bottom:1px solid var(--rule-soft)}.dunning-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;max-width:1120px;margin:0 auto}.dunning-copy .lab{margin-bottom:18px}.dunning-copy h2{margin:0 0 16px;font-size:clamp(28px,3.4vw,44px);font-weight:700;letter-spacing:-.03em;line-height:1.05}.dunning-copy p{margin:0 0 14px;font-size:16px;line-height:1.6;color:var(--ink-2)}.dunning-copy p strong{color:var(--ink);font-weight:600}.dunning-copy code{background:#0b0d110f;padding:1px 6px;border-radius:5px;font-size:13px}.dunning-copy .dunning-sub{font-size:14.5px;color:var(--muted)}.dunning-viz{background:#fff;border:1px solid var(--rule);border-radius:18px;padding:32px 28px;display:flex;flex-direction:column;gap:0}.dunning-viz .retry{display:flex;align-items:center;justify-content:space-between;padding:6px 0}.dunning-viz .day{font-family:JetBrains Mono,monospace;font-size:12px;letter-spacing:.06em;color:var(--ink);font-weight:500}.dunning-viz .state{font-size:13px;color:var(--blue);font-weight:500}.dunning-viz .rail{width:2px;height:22px;background:var(--rule);margin-left:7px}.dunning-viz .rail-end{background:repeating-linear-gradient(var(--ink) 0 3px,transparent 3px 7px)}.dunning-viz .retry-final .day{color:var(--ink)}.dunning-viz .retry-final .state{color:var(--ink);font-weight:600}section.s-trials{padding:96px 0}.trials-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:1000px;margin:0 auto}.tcard{background:#fff;border:1px solid var(--rule);border-radius:18px;padding:36px 32px}.tcard .tic{width:44px;height:44px;border-radius:11px;background:#1d56e814;color:var(--blue);display:inline-flex;align-items:center;justify-content:center;margin-bottom:20px}.tcard .tic svg{width:22px;height:22px}.tcard h3{margin:0 0 10px;font-size:21px;font-weight:600;letter-spacing:-.02em}.tcard p{margin:0;font-size:15px;line-height:1.55;color:var(--ink-2)}.tcard code{background:#0b0d110f;padding:1px 6px;border-radius:5px;font-size:12.5px}section.s-sdk{padding:96px 0;background:var(--paper-2);border-top:1px solid var(--rule-soft);border-bottom:1px solid var(--rule-soft)}.code-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:20px;max-width:1080px;margin:0 auto;align-items:start}.code-block{background:var(--ink);border-radius:16px;overflow:hidden;box-shadow:0 20px 50px -24px #0b0d1166}.code-top{display:flex;align-items:center;gap:7px;padding:14px 18px;border-bottom:1px solid rgba(255,255,255,.08)}.code-top .dot{width:11px;height:11px;border-radius:999px}.code-top .dot.r{background:#ff5f57}.code-top .dot.y{background:#febc2e}.code-top .dot.g{background:#28c840}.code-top .code-file{margin-left:10px;font-family:JetBrains Mono,monospace;font-size:12px;color:#fafaf780}.code-block pre{margin:0;padding:24px 22px;overflow-x:auto}.code-block code{font-family:JetBrains Mono,monospace;font-size:13px;line-height:1.85;color:#e8e6df;white-space:pre}.code-block .c-kw{color:#9bb6ff}.code-block .c-str{color:#8fd6a8}.code-block .c-fn{color:#f0c674}.code-block .c-cm{color:#fafaf766}.code-block .c-pr{color:#d99ae0}.rest-list{background:#fff;border:1px solid var(--rule);border-radius:16px;padding:24px 24px 28px}.rest-list .rest-head{font-size:13px;font-weight:600;color:var(--ink);margin-bottom:16px;letter-spacing:-.01em}.rest-list ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}.rest-list li{display:flex;align-items:center;gap:10px;font-size:13px}.rest-list code{color:var(--ink-2)}.m{font-family:JetBrains 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auto}.scope-head{text-align:center;max-width:680px;margin:0 auto 44px}.scope-head .lab{margin-bottom:18px}.scope-head h2{margin:0 0 12px;font-size:clamp(28px,3.4vw,44px);font-weight:700;letter-spacing:-.03em}.scope-head p{margin:0;color:var(--ink-2);font-size:16px}.scope-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px}.scol{background:#fff;border:1px solid var(--rule);border-radius:18px;padding:30px 30px 32px}.scol-head{font-family:JetBrains Mono,monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:18px}.scol-in .scol-head{color:#1f9a6e}.scol-not .scol-head{color:var(--muted)}.scol ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}.scol li{font-size:15px;line-height:1.4;color:var(--ink);display:flex;align-items:start;gap:10px}.scol li:before{content:"";flex:0 0 auto;width:16px;height:16px;margin-top:2px;border-radius:5px}.scol-in li:before{background:#1f9a6e26;box-shadow:inset 0 0 0 1px #1f9a6e66}.scol-not li{color:var(--ink-2)}.scol-not li:before{background:#0b0d110d;box-shadow:inset 0 0 0 1px var(--rule)}.scol-note{margin:22px 0 0;padding-top:18px;border-top:1px solid var(--rule);font-size:13.5px;color:var(--muted);line-height:1.55}section.s-final{padding:130px 0 120px}.final-card{background:var(--ink);color:#fafaf7;border-radius:22px;padding:88px 56px;text-align:center;position:relative;overflow:hidden}.final-card:before{content:"";position:absolute;left:50%;top:-200px;transform:translate(-50%);width:760px;height:760px;background:radial-gradient(circle at center,rgba(29,86,232,.45),transparent 60%);filter:blur(20px);pointer-events:none}.final-card .chip{position:relative;display:inline-flex;align-items:center;gap:10px;padding:6px 14px;border-radius:999px;background:#1d56e82e;color:#9bb6ff;font-family:JetBrains Mono,monospace;font-size:11.5px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;margin-bottom:28px}.final-card .chip .dot{width:6px;height:6px;border-radius:999px;background:#9bb6ff}.final-card h2{position:relative;font-size:clamp(36px,5vw,64px);font-weight:700;letter-spacing:-.04em;line-height:1;margin:0 auto 24px;max-width:900px;text-wrap:balance}.final-card p{position:relative;font-size:18px;color:#fafaf7b3;max-width:620px;margin:0 auto 36px;line-height:1.5}.final-card .cta-row{position:relative;display:flex;gap:14px;flex-wrap:wrap;justify-content:center}.final-card .btn-ghost{background:#ffffff0f;color:#fff;border-color:#ffffff2e}.final-card .btn-ghost:hover{background:#ffffff1f}@media(max-width:980px){.dunning-grid,.code-grid,.scope-cols,.trials-grid{grid-template-columns:1fr}.events-grid{grid-template-columns:1fr 1fr}.dunning-grid{gap:32px}}@media(max-width:720px){.machine{padding:32px 20px}.machine .track{flex-direction:column;align-items:stretch}.node{min-width:0}.edge{min-height:44px;flex-basis:auto}.edge:before{inset:6px auto 6px 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