:root{--secondary:#dc2626;--secondary-dark:#b91c1c;--ink:#000;--muted:#57606a;--border:#e5e7eb;--bg:#fafafa}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;padding:0;font-family:Inter,system-ui,sans-serif}a{color:inherit}.brand{letter-spacing:-.02em;font-family:DM Sans,sans-serif;font-weight:800}.brand .theo{color:var(--secondary)}.brand .syn{color:var(--ink)}.brand .labs{color:var(--muted);font-weight:700}.btn{border:2px solid var(--ink);color:var(--ink);cursor:pointer;background:#fff;border-radius:999px;justify-content:center;align-items:center;padding:14px 24px;font-size:15px;font-weight:600;text-decoration:none;transition:transform .15s,box-shadow .2s,background .2s,color .2s;display:inline-flex}.btn:hover{background:var(--ink);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px #0000001f}.btn.primary{background:var(--secondary);border-color:var(--secondary);color:#fff}.btn.primary:hover{background:var(--secondary-dark);border-color:var(--secondary-dark);color:#fff;box-shadow:0 8px 22px #dc262652}.btn:disabled{opacity:.5;cursor:default;pointer-events:none}.social-icon{border:1.5px solid var(--border);width:38px;height:38px;color:var(--ink);border-radius:999px;justify-content:center;align-items:center;transition:border-color .2s,color .2s,transform .15s;display:flex}.social-icon:hover{border-color:var(--secondary);color:var(--secondary);transform:translateY(-2px)}.card{border:1px solid var(--border);background:#fff;border-radius:14px;box-shadow:0 1px 2px #0000000a}input,textarea{border:1px solid var(--border);color:var(--ink);background:#fff;border-radius:8px;padding:10px 14px;font-family:inherit;font-size:14px}input:focus,textarea:focus{border-color:var(--secondary);outline:none}