.newsletter-form{margin-top:1.5rem;margin-bottom:1.5rem;display:flex}.newsletter-form input{width:100%;padding:10px 15px;border:1px solid #495057;background-color:#0a1f2f;color:#ced4da;border-radius:8px 0 0 8px;outline:none;transition:border-color .3s ease}.newsletter-form input:focus{border-color:var(--at-yellow)}.newsletter-form input::placeholder{color:#6c757d}.newsletter-form button{border-radius:0 8px 8px 0;background-color:var(--at-blue);color:#fff;border:none;padding:10px 15px;transition:background-color .3s ease}.newsletter-form button:hover{background-color:#3955a5}.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}