.flh{color-scheme:normal;--canvas:var(--card);--paper:var(--surface-sunken);--paper-soft:var(--popover);--ash:var(--border);--smoke:var(--border-strong);--pebble:var(--border-strong);--ink:var(--foreground);--charcoal:var(--foreground);--graphite:color-mix(in srgb, var(--foreground) 90%, var(--background));--slate:color-mix(in srgb, var(--foreground) 80%, var(--background));--steel:color-mix(in srgb, var(--foreground) 78%, var(--background));--fog:var(--muted-foreground);--silver:var(--muted-foreground);--blue:var(--brand-text);--sapphire:var(--brand-text);--mint:#16a34a24;--green:#166534;--tangerine:#ea580c;--lavender:#7c3aed;--tint-blue:var(--accent);--tint-amber:#eab30829;--amber:#b45309;--ok-text:#14532d;--warn-text:#78350f;--font-display:var(--font-sans);--font-ui:var(--font-sans);--font-mono:var(--font-mono,ui-monospace, SFMono-Regular, Menlo, monospace);--r-tag:9999px;--r-input:6px;--r-btn:8px;--r-card:12px;--r-lg:16px;--sh-subtle:var(--shadow-xs);--sh-ring:var(--shadow-raised);--sh-md:var(--shadow-float);--max:1200px;--gap-section:64px}.dark .flh{--ok-text:#86efac;--warn-text:#fcd34d;--green:#4ade80;--amber:#d97706}.flh *{box-sizing:border-box}.flh{background:var(--canvas);color:var(--charcoal);font-family:var(--font-ui);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-feature-settings:"cv11", "ss01";text-rendering:optimizelegibility;margin:0;font-size:16px;line-height:1.5}.flh img,.flh svg{max-width:100%}.flh a{color:inherit;text-decoration:none}.flh h1,.flh h2,.flh h3,.flh h4,.flh p,.flh ul,.flh ol,.flh figure,.flh blockquote{margin:0}.flh ul{padding:0;list-style:none}.flh button{font:inherit;color:inherit;cursor:pointer}.flh ::selection{background:var(--tint-blue);color:var(--ink)}.flh :focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:var(--r-input)}.flh .wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}.flh .display{font-family:var(--font-display);letter-spacing:-.02em;color:var(--charcoal);font-weight:500}.flh .d-48{text-wrap:balance;font-size:clamp(32px,6.2vw,48px);line-height:1.02}.flh .d-36{text-wrap:balance;font-size:clamp(27px,4.4vw,36px);line-height:1.11}.flh .eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--fog);font-size:11px;font-weight:600;line-height:1.5}.flh .lede{color:var(--steel);font-size:18px;line-height:1.56}.flh .body-sm{font-size:14px;line-height:1.43}.flh .cap{color:var(--fog);font-size:11px;line-height:1.5}.flh .mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.flh .num{font-variant-numeric:tabular-nums}.flh .btn{border-radius:var(--r-btn);background:0 0;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;height:40px;padding:0 16px;font-size:14px;font-weight:500;transition:background-color .15s,border-color .15s,color .15s,transform .15s;display:inline-flex}.flh .btn-primary{background:var(--primary);color:var(--primary-foreground);box-shadow:var(--sh-subtle)}.flh .btn-primary:hover{background:var(--graphite)}.flh .btn-sapphire{background:var(--brand);color:var(--brand-foreground);box-shadow:var(--sh-subtle)}.flh .btn-sapphire:hover{background:color-mix(in srgb, var(--brand) 85%, #000)}.flh .btn-outline{background:var(--canvas);color:var(--charcoal);border-color:var(--ash)}.flh .btn-outline:hover{background:var(--paper);border-color:var(--smoke)}.flh .btn-ghost{color:var(--charcoal);border-radius:var(--r-tag)}.flh .btn-ghost:hover{background:var(--paper)}.flh .btn-lg{height:44px;padding:0 20px;font-size:15px}.flh .btn-sm{border-radius:var(--r-btn);height:30px;padding:0 12px;font-size:13px}.flh .link-blue{color:var(--blue);font-weight:500}.flh .link-blue:hover{color:var(--sapphire)}.flh .pill{border-radius:var(--r-tag);color:var(--charcoal);background:var(--canvas);border:1px solid var(--ash);white-space:nowrap;align-items:center;gap:8px;padding:8px 16px;font-size:14px;font-weight:500;display:inline-flex}.flh .pill-bare{background:0 0;border-color:#0000}.flh .glyph{border-radius:5px;flex:none;place-items:center;width:18px;height:18px;display:inline-grid}.flh .glyph svg{width:11px;height:11px;display:block}.flh .g-orange{background:color-mix(in srgb, var(--tangerine) 14%, var(--card));color:var(--tangerine)}.flh .g-violet{background:color-mix(in srgb, var(--lavender) 14%, var(--card));color:var(--lavender)}.flh .g-green{background:color-mix(in srgb, var(--green) 14%, var(--card));color:var(--green)}.flh .g-blue{background:var(--tint-blue);color:var(--blue)}.flh .badge{border-radius:var(--r-tag);color:var(--ink);background:var(--canvas);border:1px solid var(--ash);white-space:nowrap;align-items:center;gap:6px;padding:3px 10px;font-size:11px;font-weight:500;line-height:1.5;display:inline-flex}.flh .badge-live{background:var(--mint);border-color:color-mix(in srgb, var(--green) 22%, var(--card));color:var(--ok-text)}.flh .badge-pending{background:var(--tint-amber);border-color:color-mix(in srgb, var(--amber) 22%, var(--card));color:var(--warn-text)}.flh .badge-draft{background:var(--paper);border-color:var(--ash);color:var(--steel)}.flh .badge-new{background:var(--tint-blue);border-color:color-mix(in srgb, var(--blue) 20%, var(--card));color:var(--sapphire)}.flh .dot{border-radius:var(--r-tag);background:var(--green);flex:none;width:6px;height:6px}.flh .dot-amber{background:var(--amber)}.flh .dot-gray{background:var(--silver)}.flh .dot-live{position:relative}.flh .dot-live:after{content:"";border-radius:var(--r-tag);opacity:.35;border:1px solid;animation:2.4s ease-out infinite ping;position:absolute;inset:-3px}@keyframes ping{0%{opacity:.5;transform:scale(.6)}70%,to{opacity:0;transform:scale(1.5)}}.flh .card{background:var(--canvas);border:1px solid var(--ash);border-radius:var(--r-card);padding:16px}.flh .card-lg{border-radius:var(--r-lg)}.flh .card-muted{background:var(--paper-soft);border-radius:var(--r-lg);border:1px solid #0000;padding:16px}.flh .section{padding:var(--gap-section) 0}.flh section[id],.flh footer[id]{scroll-margin-top:76px}.flh .section-paper{background:var(--paper);border-top:1px solid var(--ash);border-bottom:1px solid var(--ash)}.flh .section-head{max-width:680px}.flh .section-head.center{text-align:center;margin:0 auto}.flh .section-head .eyebrow{margin-bottom:12px}.flh .section-head p{margin-top:16px}.flh .illus{color:var(--silver);border:1px solid var(--ash);border-radius:var(--r-tag);background:var(--canvas);align-items:center;gap:4px;padding:1px 8px;font-size:11px;line-height:1.5;display:inline-flex}.flh .dotted{background-image:radial-gradient(var(--smoke) 1px, transparent 1px);background-position:-1px -1px;background-size:20px 20px}.js .flh .rv{opacity:0;transition:opacity .6s,transform .6s;transform:translateY(10px)}.js .flh .rv.in{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.js .flh .rv{opacity:1;transition:none;transform:none}.flh .dot-live:after{animation:none}.flh *{scroll-behavior:auto!important}}.flh .announce{border-bottom:1px solid var(--ash);background:var(--canvas)}.flh .announce .wrap{min-height:40px;color:var(--steel);flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;font-size:13px;display:flex}.flh .announce strong{color:var(--charcoal);font-weight:500}.flh header.nav{z-index:40;background:color-mix(in srgb, var(--canvas) 88%, transparent);-webkit-backdrop-filter:saturate(180%)blur(12px);border-bottom:1px solid var(--ash);position:sticky;top:0}.flh .nav-inner{align-items:center;gap:16px;min-height:60px;display:flex}.flh .brand{align-items:center;gap:8px;margin-right:8px;display:inline-flex}.flh .brand-mark{background:var(--ink);border-radius:7px;flex:none;place-items:center;width:26px;height:26px;display:inline-grid}.flh .brand-mark svg{width:15px;height:15px}.flh .brand-name{font-family:var(--font-display);letter-spacing:-.02em;font-size:18px;font-weight:500}.flh .nav-links{align-items:center;gap:2px;margin:0 auto;display:flex}.flh .nav-links a{border-radius:var(--r-tag);color:var(--charcoal);padding:8px 14px;font-size:14px;font-weight:500;transition:background-color .15s,color .15s}.flh .nav-links a:hover{background:var(--paper);color:var(--slate)}.flh .nav-cta{align-items:center;gap:8px;display:flex}.flh .nav-menu{display:none;position:relative}.flh .nav-menu>summary{border:1px solid var(--ash);border-radius:var(--r-btn);background:var(--canvas);cursor:pointer;place-items:center;width:40px;height:40px;list-style:none;display:grid}.flh .nav-menu>summary::-webkit-details-marker{display:none}.flh .nav-menu>summary svg{width:18px;height:18px}.flh .nav-panel{background:var(--canvas);border:1px solid var(--ash);border-radius:var(--r-card);min-width:220px;box-shadow:var(--sh-md);z-index:50;gap:2px;padding:8px;display:grid;position:absolute;top:calc(100% + 8px);right:0}.flh .nav-panel a{border-radius:var(--r-btn);padding:10px 12px;font-size:14px;font-weight:500}.flh .nav-panel a:hover{background:var(--paper)}.flh .hero{padding:72px 0 0;position:relative;overflow:hidden}.flh .hero:before{content:"";background-image:radial-gradient(var(--smoke) 1px, transparent 1px);opacity:.6;pointer-events:none;background-size:20px 20px;height:620px;position:absolute;inset:0 0 auto;-webkit-mask-image:radial-gradient(80% 60% at 50% 18%,#000 20%,#0000 72%);mask-image:radial-gradient(80% 60% at 50% 18%,#000 20%,#0000 72%)}.flh .hero-inner{text-align:center;position:relative}.flh .hero-pills{flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:28px;display:flex}.flh .hero h1{max-width:17ch;margin:0 auto}.flh .hero h1 .accent{color:var(--blue)}.flh .hero-sub{text-wrap:pretty;max-width:620px;margin:20px auto 0}.flh .hero-actions{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-top:28px;display:flex}.flh .hero-note{margin-top:12px}.flh .engine-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:20px;margin-top:36px;display:flex}.flh .engine-chips{align-items:center;display:flex}.flh .echip{border-radius:var(--r-tag);border:1px solid var(--ash);background:var(--canvas);width:34px;height:34px;font-family:var(--font-mono);letter-spacing:-.02em;color:var(--graphite);place-items:center;margin-left:-3px;font-size:9.5px;font-weight:500;transition:transform .15s,border-color .15s;display:grid}.flh .echip:first-child{margin-left:0}.flh .echip:hover{border-color:var(--pebble);z-index:2;transform:translateY(-2px)}.flh .verified{color:var(--steel);align-items:center;gap:8px;font-size:13px;display:inline-flex}.flh .verified svg{width:14px;height:14px;color:var(--green);flex:none}.flh .mock-stage{margin-top:56px;position:relative}.flh .mock-float{z-index:3;width:190px;display:none;position:absolute}.flh .mock-float.left{top:72px;left:-100px}.flh .mock-float.right{top:168px;right:-100px}@media (min-width:1440px){.flh .mock-float{display:block}}.flh .mock{background:var(--canvas);border:1px solid var(--ash);border-radius:var(--r-lg) var(--r-lg) 0 0;box-shadow:var(--sh-ring);max-width:1000px;margin:0 auto;position:relative;overflow:hidden}.flh .mock-bar{border-bottom:1px solid var(--ash);background:var(--paper-soft);align-items:center;gap:10px;padding:10px 14px;display:flex}.flh .mock-dots{gap:5px;display:flex}.flh .mock-dots i{border-radius:var(--r-tag);background:var(--smoke);width:9px;height:9px;display:block}.flh .mock-url{font-family:var(--font-mono);color:var(--steel);background:var(--canvas);border:1px solid var(--ash);border-radius:var(--r-input);margin:0 auto;padding:3px 10px;font-size:12px}.flh .mock-body{grid-template-columns:196px 1fr;min-height:420px;display:grid}.flh .mock-side{border-right:1px solid var(--ash);background:var(--canvas);padding:12px 8px}.flh .mock-side .eyebrow{padding:0 8px 8px}.flh .sidenav{gap:2px;display:grid}.flh .sidenav a{border-radius:var(--r-btn);color:var(--charcoal);align-items:center;gap:8px;padding:8px;font-size:13px;display:flex}.flh .sidenav a .sq{background:var(--ash);border-radius:4px;flex:none;width:14px;height:14px}.flh .sidenav a.active{background:var(--tint-blue);color:var(--sapphire);font-weight:500}.flh .sidenav a.active .sq{background:color-mix(in srgb, var(--blue) 45%, var(--card))}.flh .mock-side-foot{border-top:1px solid var(--ash);margin-top:16px;padding:12px 8px 0}.flh .mock-main{align-content:start;gap:16px;padding:16px;display:grid}.flh .mock-head{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.flh .mock-head h4{font-size:14px;font-weight:600}.flh .mock-head .spacer{margin-left:auto}.flh .rows{border:1px solid var(--ash);border-radius:var(--r-card);overflow:hidden}.flh .row{border-bottom:1px solid var(--ash);align-items:center;gap:12px;padding:11px 14px;font-size:14px;display:flex}.flh .row:last-child{border-bottom:0}.flh .row:nth-child(odd){background:var(--canvas)}.flh .row .slug{font-family:var(--font-mono);color:var(--graphite);font-size:13px}.flh .row .spacer{margin-left:auto}.flh .bar{border-radius:var(--r-tag);background:var(--ash);width:64px;height:4px;overflow:hidden}.flh .bar i{background:var(--brand);border-radius:var(--r-tag);height:100%;animation:1.6s forwards grow;display:block}@keyframes grow{0%{width:0}}.flh .stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;display:grid}.flh .stat{border:1px solid var(--ash);border-radius:var(--r-card);background:var(--canvas);padding:12px}.flh .stat .v{font-family:var(--font-display);letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:24px;font-weight:500}.flh .stat 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var(--ash);border-radius:var(--r-lg);background:var(--canvas);margin-top:32px;overflow-x:auto}.flh table.signals{border-collapse:collapse;width:100%;min-width:760px}.flh table.signals th,.flh table.signals td{text-align:left;vertical-align:top;padding:14px 16px}.flh table.signals thead th{letter-spacing:.08em;text-transform:uppercase;color:var(--fog);border-bottom:1px solid var(--ash);background:var(--paper-soft);white-space:nowrap;font-size:11px;font-weight:600}.flh table.signals tbody tr{border-bottom:1px solid var(--ash)}.flh table.signals tbody tr:last-child{border-bottom:0}.flh table.signals tbody tr:hover{background:var(--paper-soft)}.flh table.signals td{color:var(--steel);font-size:14px;line-height:1.43}.flh table.signals td:first-child{color:var(--charcoal);white-space:nowrap;font-weight:500}.flh table.signals td:last-child{color:var(--graphite)}.flh .sig-name{align-items:center;gap:8px;display:flex}.flh .checker{text-align:center;max-width:720px;margin:0 auto}.flh .check-form{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:28px;display:flex}.flh .check-form input{min-width:0;height:44px;font-family:var(--font-ui);color:var(--foreground);background:var(--canvas);border:1px solid var(--foreground);border-radius:var(--r-input);flex:300px;padding:0 14px;font-size:15px}.flh .check-form input::placeholder{color:var(--fog)}.flh .check-tags{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:20px;display:flex}.flh .score-ring{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:28px;display:flex}.flh .steps{counter-reset:s;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:40px;display:grid}.flh .step{border:1px solid var(--ash);border-radius:var(--r-lg);background:var(--canvas);padding:20px;position:relative}.flh .step .n{font-family:var(--font-mono);color:var(--fog);border:1px solid var(--ash);border-radius:var(--r-tag);place-items:center;width:26px;height:26px;margin-bottom:14px;font-size:12px;display:grid}.flh .step h3{letter-spacing:-.01em;font-size:18px;font-weight:500}.flh .step p{color:var(--steel);margin-top:8px;font-size:14px;line-height:1.43}.flh .bento{grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin-top:40px;display:grid}.flh .tile{border:1px solid var(--ash);border-radius:var(--r-lg);background:var(--canvas);flex-direction:column;gap:14px;padding:20px;transition:border-color .18s,transform .18s;display:flex;overflow:hidden}.flh .tile:hover{border-color:var(--smoke);transform:translateY(-2px)}.flh .tile h3{letter-spacing:-.01em;font-size:18px;font-weight:500}.flh .tile p{color:var(--steel);font-size:14px;line-height:1.43}.flh .tile .tile-top{align-items:center;gap:8px;display:flex}.flh .tile .tile-foot{margin-top:auto}.flh .t-3{grid-column:span 3}.flh .t-2{grid-column:span 2}.flh .t-4{grid-column:span 4}.flh .tile-hero{background:var(--paper-soft);grid-column:span 6}.flh .brandmem{grid-template-columns:1.1fr 1fr;align-items:center;gap:24px;display:grid}.flh .orb{aspect-ratio:1.6;border-radius:var(--r-card);border:1px solid var(--ash);background:var(--canvas);place-items:center;display:grid;position:relative;overflow:hidden}.flh .orb .ring{border:1px solid var(--ash);border-radius:var(--r-tag);position:absolute;inset:50% auto auto 50%;translate:-50% -50%}.flh .orb .r1{width:120px;height:120px}.flh .orb .r2{width:180px;height:180px}.flh .orb .r3{width:240px;height:240px}.flh .orb .core{background:var(--ink);width:58px;height:58px;box-shadow:var(--sh-ring);border-radius:16px;place-items:center;display:grid;position:relative}.flh .orb .core svg{width:26px;height:26px}.flh .orb .sat{border-radius:var(--r-tag);border:1px solid var(--ash);background:var(--canvas);width:30px;height:30px;font-family:var(--font-mono);color:var(--graphite);place-items:center;font-size:9px;display:grid;position:absolute}.flh .orb .s1{top:18%;left:24%}.flh .orb .s2{top:22%;right:22%}.flh .orb .s3{bottom:20%;left:30%}.flh .orb .s4{bottom:16%;right:27%}.flh 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