.newsletter-form{max-width:400px;margin:2rem auto;padding:1.5rem;background:var(--bg-secondary);border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,.1)}.form-group{margin-bottom:1rem}.form-group input{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:4px;background:var(--bg-primary);color:var(--text-primary);font-size:1rem;transition:border-color .2s ease}.form-group input:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 2px rgba(var(--accent-rgb),.1)}.submit-button{width:100%;padding:.75rem 1.5rem;background:var(--accent-color);color:#fff;border:none;border-radius:4px;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s ease}.submit-button:hover{background:var(--accent-hover)}.submit-button:active{transform:translateY(1px)}@media(max-width:640px){.newsletter-form{margin:1rem;padding:1rem}}