:root{--bg:#020810;--green:#22c55e;--navy:#1e3a5f;--text:#e2e8f0;--font:'Share Tech Mono',monospace}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:var(--font);min-height:100vh;overflow-x:hidden}
canvas#sonar{position:fixed;inset:0;z-index:1;opacity:.25}
.depth-layer{position:fixed;bottom:0;left:0;width:100%;height:60%;background:linear-gradient(to top,rgba(2,8,16,0.95),transparent);pointer-events:none;z-index:2}
nav{position:fixed;top:0;width:100%;padding:2.5rem 4rem;display:flex;justify-content:space-between;z-index:10;border-bottom:1px solid rgba(34,197,94,0.15)}.logo{font-size:1.3rem;color:var(--green);font-weight:700}.depth{font-size:.75rem;color:#4ade80}
main{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:2rem;position:relative;z-index:5}
h1{font-size:3rem;color:var(--green);margin-bottom:1.5rem;max-width:800px;line-height:1.15}
p{font-size:1.1rem;color:#94a3b8;max-width:600px;margin-bottom:3rem}
.specs{display:flex;gap:3rem}.spec{text-align:center}.v{display:block;font-size:2rem;color:var(--green);font-weight:700}.l{font-size:.75rem;color:#64748b;margin-top:.3rem;display:block}