:root{--bg:#f6f8fc;--panel:#fff;--panel-2:#eef2f8;--line:#e3e8f1;--text:#0f172a;--text-soft:#475569;--muted:#64748b;--accent:#2f6df6;--accent-ink:#1d4ed8;--pos:#0f9d6e;--warn:#b97400;--neg:#e5484d;--ai:#8a5cf6;--shadow-sm:0 1px 2px #0f172a0a, 0 1px 3px #0f172a0f;--shadow-md:0 6px 20px #0f172a14, 0 2px 6px #0f172a0d;--shadow-lg:0 18px 48px #0f172a1f, 0 6px 16px #0f172a0f;--font-sans:"Inter", system-ui, -apple-system, sans-serif;--font-display:"Space Grotesk", var(--font-sans)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{background:radial-gradient(900px 600px at 88% -8%, #2f6df612, transparent 60%), radial-gradient(720px 520px at -6% 4%, #0f9d6e0f, transparent 55%), var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;margin:0;line-height:1.55}.fd-shell{max-width:1080px;margin:0 auto;padding:0 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0;padding:0;list-style:none;display:grid}.fd-how-step{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow-sm);border-radius:16px;flex-direction:column;gap:8px;padding:20px 18px;display:flex;position:relative}.fd-how-n{width:30px;height:30px;font-family:var(--font-display);color:#fff;background:linear-gradient(160deg, #5b8bff, var(--accent));border-radius:9px;justify-content:center;align-items:center;font-size:15px;font-weight:700;display:inline-flex;box-shadow:0 6px 14px #2f6df64d}.fd-how-step strong{font-family:var(--font-display);font-size:16px;font-weight:600}.fd-how-d{color:var(--muted);font-size:13.5px;line-height:1.5}.fd-how-cta{flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;display:flex}.fd-truststrip{border:1px solid var(--line);border-left:3px solid var(--accent);background:var(--panel);color:var(--text-soft);box-shadow:var(--shadow-sm);border-radius:12px;margin:14px auto 0;padding:12px 18px;font-size:14px}.fd-truststrip strong{color:var(--text);font-weight:600}.fd-brainband{background:radial-gradient(1200px 500px at 80% -10%,#2f6df638,#0000 60%),#0b1120;margin-top:8px}.fd-brainband-inner{grid-template-columns:1fr 1fr;align-items:center;gap:40px;padding:64px 24px;display:grid}.fd-kicker-light{color:#8aa0c6}.fd-brain-copy h2{color:#fff;letter-spacing:-.02em;margin:8px 0 0;font-size:30px;font-weight:600}.fd-brain-copy p{color:#c2cde0;max-width:48ch;margin:14px 0 18px;font-size:16px;line-height:1.6}.fd-brain-media img{border-radius:16px;width:100%;height:auto;display:block;box-shadow:0 24px 60px #00000080}.fd-film{box-shadow:var(--shadow-lg);aspect-ratio:16/8;background:#0b1220;border-radius:20px;margin:22px 0 0;position:relative;overflow:hidden}.fd-film video{object-fit:cover;width:100%;height:100%;display:block}.fd-film-scrim{background:linear-gradient(#0b122000 45%,#0b12208c 100%);position:absolute;inset:0}.fd-film-cap{color:#fff;font-family:var(--font-display);letter-spacing:-.01em;text-shadow:0 1px 8px #0006;font-size:17px;font-weight:500;position:absolute;bottom:18px;left:22px;right:22px}.fd-close{text-align:center;padding:64px 0 12px}.fd-close h2{letter-spacing:-.02em;font-size:34px;font-weight:700}.fd-close p{color:var(--text-soft);margin:12px 0 22px;font-size:17px}.fd-why-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:22px;display:grid}.fd-why{border-left:3px solid var(--accent);padding:4px 0 4px 16px}.fd-why b{font-family:var(--font-display);font-size:16px;font-weight:600;line-height:1.3;display:block}.fd-why span{color:var(--muted);margin-top:6px;font-size:14px;line-height:1.5;display:block}.fd-rsi{margin-top:22px;padding:22px}.fd-rsi svg{width:100%;height:auto;display:block}.fd-rsi-legend{flex-wrap:wrap;gap:18px;margin-bottom:12px;display:flex}.fd-rsi-leg{color:var(--text-soft);align-items:center;gap:7px;font-size:12.5px;font-weight:600;display:inline-flex}.fd-rsi-leg .fd-rsi-swatch{flex:none;width:16px;height:0}.fd-rsi-leg-measured .fd-rsi-swatch{border:3px solid var(--accent);background:var(--panel);border-radius:50%;width:11px;height:11px}.fd-rsi-leg-proj .fd-rsi-swatch{border-top:2.5px solid var(--accent);width:18px}.fd-rsi-note{color:var(--text-soft);margin:16px 0 0;font-size:14px;line-height:1.6}.fd-real{color:var(--pos);font-weight:600}.fd-proj{color:var(--warn);font-weight:600}.fd-section,.fd-proof{opacity:1}@media (prefers-reduced-motion:no-preference){.fd-reveal{opacity:0;transition:opacity .6s,transform .6s;transform:translateY(14px)}.fd-reveal.fd-in{opacity:1;transform:none}}@media (width<=900px){.fd-hero-grid{grid-template-columns:1fr;gap:28px}.fd-brainband-inner{grid-template-columns:1fr;gap:24px;padding:44px 24px}.fd-hero-copy h1{font-size:40px}.fd-hero-stage{justify-content:flex-start}.fd-stage-card{width:100%}}.fd-foot{color:var(--muted);padding:40px 0 70px;font-size:13px}.fd-foot a{color:var(--accent-ink)}@media (width<=820px){.fd-hero h1{font-size:38px}.fd-curve-wrap{grid-template-columns:1fr}.fd-nav-links{display:none}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition-duration:.001ms!important;animation-duration:.001ms!important}}.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}