.app{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem;position:relative;overflow:hidden;background:#1b1b1b;background-image:radial-gradient(circle at 50% 50%,rgba(0,0,0,.8) 0%,transparent 70%),radial-gradient(circle at 50% 50%,#1b1b1b,#0a0a0a)}.particles{position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden;pointer-events:none}.particle{position:absolute;width:2px;height:2px;background:#fff9;border-radius:50%;animation:float linear infinite;opacity:0}@keyframes float{0%{opacity:0;transform:translateY(100vh) translate(0) scale(0)}10%{opacity:1}90%{opacity:1}to{opacity:0;transform:translateY(-100vh) translate(50px) scale(1)}}.content{position:relative;z-index:1;text-align:center;background:transparent;padding:2rem;width:100%;max-width:600px}.title{font-size:4rem;font-weight:700;color:#fff;margin-bottom:1rem;letter-spacing:.02em;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.promo{font-size:.9rem;color:#ffffffb3;margin-bottom:2.5rem;font-weight:300;letter-spacing:.02em}.email-form{margin-bottom:2rem}.input-group{display:flex;gap:1rem;margin-bottom:1rem;justify-content:center}.email-input{flex:1;max-width:400px;padding:.75rem 1rem;font-size:.9rem;border:1px solid rgba(255,255,255,.2);border-radius:0;outline:none;transition:all .3s ease;background:#ffffff0d;color:#fff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.email-input::placeholder{color:#fff6}.email-input:focus{border-color:#ffffff80;background:#ffffff14}.email-input.error{border-color:#ff000080}.email-input:disabled{opacity:.5;cursor:not-allowed}.submit-btn{padding:.75rem 2rem;font-size:.9rem;font-weight:400;color:#fff;background:transparent;border:1px solid rgba(255,255,255,.3);border-radius:0;cursor:pointer;transition:all .3s ease;white-space:nowrap;text-transform:uppercase;letter-spacing:.05em;font-family:inherit}.submit-btn:hover:not(:disabled){background:#ffffff1a;border-color:#ffffff80}.submit-btn:active:not(:disabled){background:#ffffff26}.submit-btn:disabled{opacity:.5;cursor:not-allowed}.submit-btn.loading{position:relative;color:transparent}.submit-btn.loading:after{content:"";position:absolute;width:16px;height:16px;top:50%;left:50%;margin-left:-8px;margin-top:-8px;border:2px solid rgba(255,255,255,.5);border-radius:50%;border-top-color:transparent;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.message{padding:.5rem;font-size:.85rem;text-align:center;animation:fadeIn .3s ease-out;margin-top:.75rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.message.success{color:#fffc}.message.error{color:#ff6464e6}.counter{font-size:.75rem;color:#fff6;letter-spacing:.03em;text-transform:uppercase;font-weight:300}@media (max-width: 768px){.content{padding:2rem 1.5rem}.title{font-size:3rem;margin-bottom:.75rem}.promo{font-size:.85rem;margin-bottom:2rem}.input-group{flex-direction:column;gap:.75rem}.email-input{max-width:100%}.submit-btn{width:100%}}@media (max-width: 480px){.app{padding:1rem}.content{padding:1.5rem 1rem}.title{font-size:2.25rem;margin-bottom:.5rem}.promo{font-size:.8rem;margin-bottom:1.5rem}.counter{font-size:.7rem}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #6366f1;--primary-dark: #4f46e5;--secondary-color: #8b5cf6;--text-primary: #1f2937;--text-secondary: #6b7280;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--border-color: #e5e7eb;--success-color: #10b981;--error-color: #ef4444}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#1b1b1b;min-height:100vh;color:#fff;overflow-x:hidden}#root{width:100%;min-height:100vh}