:root{--accent: #7c3aed;--accent-2: #a855f7;--bg: #0b0c10;--surface: rgba(255, 255, 255, .04);--border: rgba(255, 255, 255, .08);--text: #f4f4f5;--muted: #9aa0aa}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;overflow-x:hidden}.page{max-width:1100px;margin:0 auto;padding:0 32px}.nav{display:flex;align-items:center;justify-content:space-between;padding:28px 0}.brand{font-size:22px;font-weight:700;letter-spacing:-.02em}.nav-links a{color:var(--muted);text-decoration:none;margin-left:28px;font-size:15px;transition:color .2s}.nav-links a:hover{color:var(--text)}.hero{text-align:center;padding:110px 0 90px}.eyebrow{color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.18em;margin-bottom:22px}.headline{font-size:clamp(40px,7vw,76px);font-weight:800;line-height:1.05;letter-spacing:-.03em;background:linear-gradient(120deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:26px}.subtitle{font-size:clamp(17px,2vw,21px);color:var(--muted);max-width:560px;margin:0 auto 38px;line-height:1.6}.cta{background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#fff;border:none;padding:16px 34px;font-size:17px;font-weight:600;border-radius:999px;cursor:pointer;box-shadow:0 10px 40px -10px var(--accent);transition:transform .15s,box-shadow .2s}.cta:hover{transform:translateY(-2px);box-shadow:0 16px 50px -10px var(--accent)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding-bottom:100px}.card{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:34px 28px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:transform .2s,border-color .2s}.card:hover{transform:translateY(-4px);border-color:var(--accent)}.card-icon{font-size:32px;margin-bottom:16px}.card h3{font-size:19px;margin-bottom:10px;letter-spacing:-.01em}.card p{color:var(--muted);font-size:15px;line-height:1.6}.content-section{padding:80px 0 20px;text-align:center}.section-headline{font-size:clamp(28px,4vw,48px);font-weight:800;letter-spacing:-.03em;margin-bottom:18px}.section-sub{font-size:clamp(15px,1.8vw,18px);color:var(--muted);max-width:580px;margin:0 auto 48px;line-height:1.65}.architecture-diagram{width:100%;max-width:900px;border-radius:18px;border:1px solid var(--border);box-shadow:0 20px 60px -20px #0009;margin:0 auto 100px;display:block}.back-to-top{position:fixed;bottom:36px;right:36px;width:48px;height:48px;border-radius:50%;background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#fff;border:none;font-size:20px;cursor:pointer;box-shadow:0 8px 30px -8px var(--accent);opacity:0;transform:translateY(16px);transition:opacity .25s,transform .25s;pointer-events:none;z-index:999}.back-to-top.visible{opacity:1;transform:translateY(0);pointer-events:auto}.back-to-top:hover{transform:translateY(-3px)}@media (max-width: 760px){.cards{grid-template-columns:1fr}}