*,*:before,*:after{box-sizing:border-box}html{font-size:17px;scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;line-height:1.65;color:#1a1a2e;background:#f8f9fc}a{color:#1d4ed8;text-decoration:none}a:hover{text-decoration:underline}:root{--color-navy: #0F172A;--color-accent: #1D4ED8;--color-ink: #0F172A;--color-ink-mid: #334155;--color-ink-light: #E8ECF0;--color-text: #1A1A2E;--color-muted: #475569;--color-subtle: #94A3B8;--color-border: #E2E8F0;--color-bg: #F8F9FC;--color-white: #FFFFFF}.container{max-width:1100px;margin:0 auto;padding:0 1.5rem}nav{background:var(--color-navy);padding:.85rem 0;position:sticky;top:0;z-index:100}nav .container{display:flex;align-items:center;gap:1.5rem}nav a{color:#e2e8f0;font-size:.875rem;font-weight:500}nav a:hover{color:#fff;text-decoration:none}nav .brand{font-weight:700;font-size:1rem;color:#fff;margin-right:auto;letter-spacing:-.01em}.hero{background:linear-gradient(135deg,#0f172a,#1e3a5f);color:#fff;padding:4.5rem 0 3.5rem}.hero .eyebrow{display:block;background:none;border:none;border-radius:0;padding:0;font-size:1.35rem;font-weight:300;text-transform:uppercase;letter-spacing:.12em;color:#fff;margin-bottom:1.25rem}.hero h1{font-size:clamp(2.75rem,6vw,4.5rem);font-weight:800;margin:0 0 .85rem;line-height:1.1;letter-spacing:-.02em;max-width:780px}.hero .subhead{font-size:1.05rem;font-weight:300;color:#94a3b8;max-width:680px;margin:0 0 2rem;line-height:1.6}.hero .stat-row{display:flex;gap:2rem;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);padding-top:1.5rem;margin-top:.5rem}.hero .stat{display:flex;flex-direction:column;gap:.2rem}.hero .stat-number{font-size:1.5rem;font-weight:800;color:#fff;line-height:1}.hero .stat-label{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:#64748b}.section{padding:4rem 0}.section-alt{background:var(--color-white)}.section-dark{background:var(--color-navy);color:#fff}.section-label{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--color-muted);margin:0 0 .5rem;padding-bottom:.5rem;border-bottom:1px solid var(--color-border);display:block}.section-dark .section-label{color:#475569;border-bottom-color:#ffffff1a}.section-heading{font-size:1.75rem;font-weight:800;color:var(--color-text);margin:.4rem 0 .6rem;letter-spacing:-.02em}.section-dark .section-heading{color:#fff}.section-sub{font-size:1rem;font-weight:300;color:var(--color-muted);margin:0 0 2.5rem;max-width:600px;line-height:1.7}.signals-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.25rem;margin-top:2rem}.signal-card{background:var(--color-white);border:1px solid var(--color-border);border-radius:10px;padding:1.5rem;transition:box-shadow .15s,border-color .15s}.signal-card:hover{box-shadow:0 4px 20px #0000001a;border-color:var(--color-ink)}.signal-meta{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--color-ink-mid);margin:0 0 .5rem}.signal-card h3{font-size:1.1rem;font-weight:800;color:var(--color-text);margin:0 0 .6rem;line-height:1.25;letter-spacing:-.01em}.signal-card p{font-size:.9rem;font-weight:300;color:var(--color-muted);margin:0 0 1rem;line-height:1.7}.signal-domain-list{display:flex;flex-direction:column;gap:.3rem;border-top:1px solid var(--color-border);padding-top:.85rem;margin-top:.25rem}.signal-domain{font-family:Courier New,ui-monospace,monospace;font-size:.8rem;font-weight:600;color:var(--color-ink)}.cluster-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.25rem;margin-top:2rem}.cluster-card{display:block;text-decoration:none;color:inherit;background:var(--color-white);border:1px solid var(--color-border);border-radius:10px;padding:1.25rem 1.5rem;position:relative;transition:box-shadow .15s,border-color .15s}.cluster-card:hover{box-shadow:0 4px 16px #0000001a;border-color:var(--color-ink);text-decoration:none}.cluster-card:hover .cluster-name,.cluster-card:hover .cluster-lead{text-decoration:underline}.cluster-badge{position:absolute;top:1.1rem;right:1.1rem;background:var(--color-ink-light);color:var(--color-ink-mid);border-radius:999px;padding:.15rem .6rem;font-size:.7rem;font-weight:700;letter-spacing:.03em}.cluster-name{font-size:.7rem;font-weight:400;text-transform:uppercase;letter-spacing:.1em;color:var(--color-subtle);margin:0 0 .35rem;padding-right:3.5rem}.cluster-lead{font-family:Courier New,ui-monospace,monospace;font-size:1.05rem;font-weight:700;color:var(--color-ink);margin:0 0 .5rem;display:block}.cluster-desc{font-size:.875rem;font-weight:300;color:var(--color-muted);margin:0 0 1rem;line-height:1.65}.cluster-supporting{display:flex;flex-wrap:wrap;gap:.35rem}.cluster-domain-tag{font-family:Courier New,ui-monospace,monospace;font-size:.7rem;color:#475569;background:#f1f5f9;border-radius:3px;padding:.1rem .45rem}.satellite-section{background:var(--color-white)}.satellite-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;margin-top:2rem}.satellite-copy h3{font-size:1.2rem;font-weight:800;color:var(--color-text);margin:0 0 .75rem;letter-spacing:-.01em}.satellite-copy p{font-size:.9375rem;font-weight:300;color:var(--color-muted);line-height:1.75;margin:0 0 1rem}.funnel-steps{display:flex;flex-direction:column;gap:.75rem}.funnel-step{display:flex;align-items:flex-start;gap:1rem;background:var(--color-bg);border:1px solid var(--color-border);border-radius:8px;padding:.85rem 1rem}.funnel-step-num{width:24px;height:24px;border-radius:50%;background:var(--color-accent);color:#fff;font-size:.7rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px}.funnel-step-text{font-size:.875rem;font-weight:300;color:var(--color-muted);line-height:1.55}.funnel-step-text strong{font-weight:700;color:var(--color-text);display:block;margin-bottom:.15rem}.about-body{max-width:720px;font-size:.9375rem;font-weight:300;color:var(--color-muted);line-height:1.85}.about-body a{color:var(--color-accent);font-weight:600}.cta-section{background:var(--color-navy);padding:4.5rem 0;text-align:center}.cta-section .eyebrow{display:inline-block;background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:999px;padding:.25rem .9rem;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:#64748b;margin-bottom:1rem}.cta-section h2{font-size:clamp(1.5rem,3vw,2.25rem);font-weight:800;color:#fff;margin:0 0 .75rem;letter-spacing:-.02em}.cta-section p{color:#94a3b8;font-size:1rem;font-weight:300;margin:0 0 2rem;max-width:480px;margin-left:auto;margin-right:auto;line-height:1.7}.cta-accent{color:#e2e8f0;font-size:1.05rem;font-weight:400;margin:0 auto 2rem;max-width:520px;line-height:1.6}.about-accent{color:var(--color-text);font-size:1.05rem;line-height:1.7;border-left:3px solid var(--color-accent);padding-left:1rem;margin:1.5rem 0}.btn-primary{display:inline-block;background:var(--color-accent);color:#fff;font-size:.9375rem;font-weight:700;padding:.85rem 2rem;border-radius:8px;letter-spacing:.01em;transition:background .15s,transform .1s;text-decoration:none}.btn-primary:hover{background:#1e40af;text-decoration:none;transform:translateY(-1px)}footer{background:var(--color-navy);color:#475569;font-size:.8rem;padding:1.5rem 0;border-top:1px solid rgba(255,255,255,.05)}footer .container{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}footer a{color:#64748b}footer a:hover{color:#94a3b8;text-decoration:none}@media(max-width:768px){.cluster-grid,.signals-grid{grid-template-columns:1fr}.satellite-grid{grid-template-columns:1fr;gap:2rem}.hero .stat-row{gap:1.25rem}}@media(max-width:480px){.hero{padding:3rem 0 2.5rem}.section{padding:3rem 0}}