*{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0a0a0b;--surface:#141416;--border:#2a2a2e;--text:#e4e4e7;--text-muted:#71717a;--accent:#8b5cf6;--accent-hover:#a78bfa;--radius:12px}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6}header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;max-width:1100px;margin:0 auto;padding:1.5rem 2rem;display:flex}.logo{letter-spacing:-.02em;font-size:1.25rem;font-weight:700}nav{gap:2rem;display:flex}nav a{color:var(--text-muted);font-size:.9rem;text-decoration:none;transition:color .2s}nav a:hover{color:var(--text)}main{max-width:1100px;margin:0 auto;padding:0 2rem}.hero{text-align:center;padding:6rem 0 5rem}.hero h1{letter-spacing:-.03em;margin-bottom:1.25rem;font-size:3rem;font-weight:700;line-height:1.15}.hero-sub{color:var(--text-muted);max-width:600px;margin:0 auto 2.5rem;font-size:1.15rem;line-height:1.7}.cta{background:var(--accent);color:#fff;border-radius:8px;padding:.85rem 2rem;font-size:1rem;font-weight:600;text-decoration:none;transition:background .2s;display:inline-block}.cta:hover{background:var(--accent-hover)}.section{padding:5rem 0}.section.dark{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin:0 -2rem;padding:5rem 2rem}.section h2{letter-spacing:-.02em;text-align:center;margin-bottom:1rem;font-size:2rem;font-weight:700}.section-sub{text-align:center;color:var(--text-muted);margin-bottom:3rem;font-size:1.05rem}.card-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-top:2rem;display:grid}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:2rem}.card h3{margin-bottom:.75rem;font-size:1.1rem;font-weight:600}.card p{color:var(--text-muted);font-size:.92rem;line-height:1.65}.layer-stack{flex-direction:column;gap:0;max-width:700px;margin:2rem auto 0;display:flex}.layer{border-bottom:1px solid var(--border);align-items:flex-start;gap:1.5rem;padding:1.75rem 0;display:flex}.layer:last-child{border-bottom:none}.layer-num{color:var(--accent);min-width:3rem;font-size:1.5rem;font-weight:700}.layer-content h3{margin-bottom:.35rem;font-size:1.05rem;font-weight:600}.layer-content p{color:var(--text-muted);font-size:.92rem;line-height:1.6}.case-study{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);max-width:650px;margin:2rem auto 0;padding:2.5rem}.case-study h3{margin-bottom:1rem;font-size:1.15rem;font-weight:600}.case-study p{color:var(--text-muted);margin-bottom:.75rem;line-height:1.7}.case-stat{font-size:.92rem;color:var(--accent)!important}.contact-links{justify-content:center;gap:2rem;margin-top:2rem;display:flex}.contact-link{color:var(--accent);font-size:1.05rem;font-weight:500;text-decoration:none;transition:color .2s}.contact-link:hover{color:var(--accent-hover)}footer{text-align:center;color:var(--text-muted);border-top:1px solid var(--border);padding:2.5rem 2rem;font-size:.85rem}@media (width<=600px){.hero h1{font-size:2rem}.hero-sub{font-size:1rem}header{flex-direction:column;gap:1rem}.card-grid{grid-template-columns:1fr}.layer{flex-direction:column;gap:.5rem}}