.btn-ai{padding:1rem 2rem;border-radius:50px;font-weight:600;text-decoration:none;transition:.3s;border:none;cursor:pointer;font-size:1.1rem;display:inline-flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.btn-primary-ai{background:#fff;color:var(--primary-ai);box-shadow:0 10px 30px rgba(0,0,0,.2)}.btn-primary-ai:hover{transform:translateY(-3px);box-shadow:0 15px 40px rgba(0,0,0,.3);color:var(--primary-ai);text-decoration:none}.btn-outline-ai{background:0 0;color:#fff;border:2px solid rgba(255,255,255,.8)}.btn-outline-ai:hover{background:#fff;color:var(--primary-ai);text-decoration:none}.btn-ai-primary{background:var(--gradient-ai);border:none;color:#fff;padding:.5rem 1.5rem;border-radius:25px;font-weight:600;text-decoration:none;transition:.3s;box-shadow:var(--glow-ai);position:relative;overflow:hidden}.btn-ai-primary:hover{transform:translateY(-2px);box-shadow:0 0 60px rgba(99,102,241,.6);color:#fff;text-decoration:none}.btn-glow{position:absolute;top:-2px;left:-2px;right:-2px;bottom:-2px;background:var(--gradient-ai);border-radius:25px;z-index:-1;opacity:0;transition:opacity .3s}.btn-ai-primary:hover .btn-glow{opacity:1;animation:1s linear infinite rotate}@keyframes rotate{from{transform:rotate(0)}to{transform:rotate(360deg)}}.btn-lg{padding:.75rem 2rem;font-size:1.1rem}.btn-sm{padding:.5rem 1rem;font-size:.9rem}