*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0a0e16;--surface:#131a28;--accent:#3d7bf2;--accent-light:#8fb4f5;--text:#e6eaf2;--muted:#5c6678;--border:#1e2636;--font-display:"Bricolage Grotesque", sans-serif;--font-body:"Space Grotesk", sans-serif;--font-mono:"JetBrains Mono", monospace}[data-theme=light]{--bg:#f4f6fb;--surface:#fff;--accent:#3d7bf2;--accent-light:#2a5fcc;--text:#0a0e16;--muted:#7c8699;--border:#d1d8e8}html,body,#root{height:100%}body{background-color:var(--bg);color:var(--text);font-family:var(--font-body);transition:background-color .2s,color .2s}.app{flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex;position:relative;overflow:hidden}.app__bg-signal{pointer-events:none;opacity:.06;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.app__bg-signal img{width:min(90vw,700px)}.app__content{z-index:1;text-align:center;flex-direction:column;align-items:center;gap:1rem;display:flex;position:relative}.app__logo{width:min(280px,70vw);height:auto}.app__tagline{font-family:var(--font-body);color:var(--accent-light);letter-spacing:.18em;text-transform:uppercase;font-size:.75rem;font-weight:500}.app__links{flex-flow:wrap;justify-content:center;gap:.75rem;margin-top:.5rem;display:flex}.app__footer{font-family:var(--font-mono);color:var(--muted);letter-spacing:.05em;font-size:.7rem;position:absolute;bottom:1.5rem}@media (width<=480px){.app__links{flex-direction:column;width:100%;max-width:240px}.contact-btn{justify-content:center;width:100%}.app__logo{width:min(240px,80vw)}}.theme-toggle{background:var(--surface);border:1px solid var(--border);cursor:pointer;width:40px;height:40px;color:var(--text);z-index:10;border-radius:8px;justify-content:center;align-items:center;transition:background-color .2s,border-color .2s;display:flex;position:absolute;top:1.25rem;right:1.25rem}.theme-toggle:hover{background:var(--accent);border-color:var(--accent);color:#fff}.contact-btn{background:var(--surface);border:1px solid var(--border);color:var(--text);font-family:var(--font-body);cursor:pointer;white-space:nowrap;border-radius:10px;align-items:center;gap:.5rem;padding:.6rem 1.25rem;font-size:.875rem;font-weight:500;text-decoration:none;transition:background-color .2s,border-color .2s,color .2s;display:inline-flex}.contact-btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}.contact-btn svg{flex-shrink:0}