:root{--fp-bg:#FFFFFF;--fp-bg-tinted:#FAFAFA;--fp-bg-dark:#0F0E1F;--fp-text:#0F0E1F;--fp-text-muted:#57555E;--fp-text-soft:#8A878F;--fp-text-light:#F5F4F8;--fp-text-light-muted:rgba(245,244,248,.65);--fp-border:#E8E7EC;--fp-border-strong:#D0CFD6;--fp-brand:#2A2455;--fp-brand-mid:#5A53A0;--fp-violet:#7C3AED;--fp-aurora:linear-gradient(135deg,#2A2455 0%,#7C3AED 50%,#D6312D 100%)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,sans-serif;font-size:16px;line-height:1.55;color:var(--fp-text);background:var(--fp-bg);-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}.fp-container{max-width:1280px;margin:0 auto;padding:0 32px}@media(max-width:640px){.fp-container{padding:0 20px}}.fp-logo img{height:32px}.fp-arrow{transition:transform .2s;display:inline-block}.fp-btn:hover .fp-arrow{transform:translate(3px)}.fp-crumbs{background:var(--fp-bg-tinted);border-bottom:1px solid var(--fp-border)}.fp-crumbs ol{list-style:none;padding:12px 32px;margin:0;display:flex;gap:8px;font-family:JetBrains Mono,monospace;font-size:11.5px;color:var(--fp-text-soft)}.fp-crumbs a{color:var(--fp-text-muted)}.fp-crumbs .sep{opacity:.4}.fp-crumbs [aria-current=page]{color:var(--fp-text);font-weight:500}.fp-eyebrow{display:inline-block;font-family:JetBrains Mono,monospace;font-size:11.5px;font-weight:500;letter-spacing:.08em;color:var(--fp-brand-mid);text-transform:uppercase;margin-bottom:12px}.fp-h1{font-family:Inter Tight,sans-serif;font-size:clamp(2.25rem,4.5vw,3.25rem);font-weight:700;line-height:1.06;letter-spacing:-.025em;margin:0 0 8px}.fp-meta{font-family:JetBrains Mono,monospace;font-size:12.5px;color:var(--fp-text-soft);margin:0}.fp-hero{padding:72px 0 48px;border-bottom:1px solid var(--fp-border)}.fp-grid{display:grid;grid-template-columns:240px 1fr;gap:80px;padding:72px 32px 96px;align-items:start}@media(max-width:1000px){.fp-grid{grid-template-columns:1fr;gap:40px}}.fp-toc{position:sticky;top:90px}@media(max-width:1000px){.fp-toc{position:static;top:auto}}.fp-toc-inner{padding:24px;background:var(--fp-bg-tinted);border-radius:12px;border:1px solid var(--fp-border)}.fp-toc-label{display:block;font-family:JetBrains Mono,monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--fp-text-soft);margin-bottom:16px;font-weight:500}.fp-toc-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:4px}.fp-toc-list a{display:grid;grid-template-columns:28px 1fr;gap:10px;padding:6px 8px;border-radius:6px;font-size:13.5px;color:var(--fp-text-muted);transition:all .15s}.fp-toc-list a:hover{background:var(--fp-bg);color:var(--fp-text)}.fp-toc-num{font-family:JetBrains Mono,monospace;font-size:11px;color:var(--fp-text-soft);font-weight:600}.fp-article{max-width:760px}.fp-article section{padding:32px 0 24px;border-top:1px solid var(--fp-border)}.fp-article section:first-of-type{padding-top:0;border-top:none}.fp-article h2{font-family:Inter Tight,sans-serif;font-size:clamp(1.375rem,2.5vw,1.75rem);font-weight:700;line-height:1.15;letter-spacing:-.015em;margin:0 0 14px;color:var(--fp-text);scroll-margin-top:80px}.fp-article h3{font-family:Inter Tight,sans-serif;font-size:1.125rem;font-weight:600;margin:20px 0 8px;color:var(--fp-text)}.fp-article p{margin:0 0 14px;font-size:15.5px;line-height:1.7;color:var(--fp-text)}.fp-article ul{margin:0 0 14px;padding-left:24px;font-size:15.5px;line-height:1.7}.fp-article ul li{margin-bottom:4px}.fp-article a{color:var(--fp-brand);font-weight:600}.fp-article a:hover{text-decoration:underline}.fp-article strong{font-weight:700}.fp-thanks{padding:96px 0 120px;background:linear-gradient(180deg,#fff,#fafafa);min-height:60vh}.fp-thanks-card{max-width:640px;margin:0 auto;text-align:center;background:var(--fp-bg);border:1px solid var(--fp-border);border-radius:16px;padding:56px 48px;box-shadow:0 10px 40px -10px #0f0e1f14}.fp-thanks-check{width:72px;height:72px;border-radius:50%;background:var(--fp-aurora);display:grid;place-items:center;margin:0 auto 28px;color:#fff;font-size:32px;font-weight:700}.fp-thanks-meta{margin:32px 0 28px;padding:20px;background:var(--fp-bg-tinted);border-radius:10px;font-size:14px;color:var(--fp-text-muted)}.fp-thanks-meta p{margin:0 0 4px}.fp-thanks-meta a{color:var(--fp-brand);font-weight:600}.fp-thanks-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;background:var(--fp-text);color:var(--fp-bg);border-radius:8px;font-weight:600;font-size:14.5px;margin-top:8px}.fp-thanks-btn:hover .fp-arrow,.fp-btn:hover .fp-arrow{transform:translate(3px)}