.f-masthead{padding-bottom:clamp(2.5rem,6vw,4.5rem)}.f-masthead-inner{max-width:68ch;padding-block:clamp(2rem,6vw,4.5rem) 0}.f-masthead-title{letter-spacing:-.04em;color:var(--f-ink);text-wrap:balance;margin:0 0 1.4rem;font-size:clamp(2.5rem,5.4vw,4.4rem);font-weight:300;line-height:1.01}.f-masthead-title em{font-family:var(--f-display);letter-spacing:-.02em;color:var(--f-glacier);font-style:italic;font-weight:400}@supports ((-webkit-background-clip:text) or (background-clip:text)){.f-masthead-title em{background:linear-gradient(100deg,var(--f-glacier),var(--f-aurora));color:#0000;-webkit-box-decoration-break:clone;box-decoration-break:clone;-webkit-background-clip:text;background-clip:text;margin-right:-.09em;padding-right:.09em}}.f-masthead-lede{max-width:58ch}.f-masthead-meta{font-family:var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--f-faint);flex-wrap:wrap;align-items:center;gap:.7rem;margin:1.6rem 0 0;font-size:.7rem;display:flex}.f-masthead .f-actions{margin-top:2rem}.f-final-chart{background:radial-gradient(120% 100% at 50% 120%,#062330 0%,#01090f 62%,#00060b 100%)}.f-contours{pointer-events:none;opacity:.7;position:absolute;inset:0}.f-contours svg{width:100%;height:100%}.f-contours path{stroke:#63d8ec}.js-fx .f-contours{animation:26s ease-in-out infinite alternate f-swell}@keyframes f-swell{to{transform:translate(-2%,-1.5%)scale(1.06)}}.f-rail-grid{grid-template-columns:minmax(0,260px) minmax(0,1fr);align-items:start;gap:clamp(2rem,5vw,4.5rem);display:grid}.f-rail{top:calc(var(--f-header-h) + 2rem);display:block;position:sticky}.f-rail ol,.f-rail ul{gap:.1rem;margin:.4rem 0 0;padding:0;list-style:none;display:grid}.f-rail a{border-left:1px solid var(--f-hair);color:var(--f-faint);border-radius:0;justify-content:flex-start;gap:.75rem;padding:.5rem .7rem .5rem 1rem;font-size:.88rem;line-height:1.45;text-decoration:none;transition:color .25s,border-color .25s;display:flex}.f-rail a:after{content:none}.f-rail a:hover{color:var(--f-ink);border-color:var(--f-plate-lit)}.f-rail a.is-active{color:var(--f-ink);border-color:var(--f-glacier)}.f-rail-no{font-family:var(--f-mono);letter-spacing:.14em;color:var(--f-glacier);opacity:.75;flex:none;padding-top:.15rem;font-size:.66rem}.f-terms{border:1px solid var(--f-hair);background:var(--f-hair);border-radius:18px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1px;margin:0;display:grid;overflow:hidden}.f-terms>div{background:color-mix(in srgb,var(--f-mid)82%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:1.35rem 1.4rem}[data-theme=light] .f-terms>div{background:color-mix(in srgb,var(--f-shallow)88%,transparent)}.f-terms dt{font-family:var(--f-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--f-glacier);font-size:.62rem}.f-terms dd{color:var(--f-dim);margin:.6rem 0 0;font-size:.92rem;line-height:1.62}.f-terms dd a{color:var(--f-ink);-webkit-text-decoration-color:var(--f-plate-lit);text-decoration-color:var(--f-plate-lit);text-underline-offset:3px}.f-prose{max-width:68ch;color:var(--f-dim);font-size:1rem;line-height:1.75}.f-prose p{margin:0 0 1.1rem}.f-prose strong{color:var(--f-ink);font-weight:600}.f-prose a{color:var(--f-glacier);text-underline-offset:3px;text-decoration-thickness:1px}.f-prose ul{gap:.55rem;margin:0 0 1.2rem;padding:0;list-style:none;display:grid}.f-prose ul li{padding-left:1.5rem;position:relative}.f-prose ul li:before{content:"";background:var(--f-glacier);opacity:.75;border-radius:50%;width:6px;height:6px;position:absolute;top:.66em;left:0}@media (max-width:900px){.f-rail-grid{grid-template-columns:minmax(0,1fr)}.f-rail{position:static}}