/* Reset */
* {margin:0; padding:0; box-sizing:border-box;}
html,body {height:100%; font-family:'Inter',sans-serif; background:linear-gradient(135deg, #0f2027, #203a43, #2c5364); color:#fff;}
.container {display:flex; align-items:center; justify-content:center; height:100%;}
.card {background:rgba(255,255,255,0.1); backdrop-filter:blur(10px); border-radius:16px; padding:2rem; max-width:400px; text-align:center; box-shadow:0 8px 32px 0 rgba(31,38,135,0.37);}
h1 {font-size:2.5rem; margin-bottom:0.5rem;}
.subtitle {font-size:1rem; margin-bottom:1.5rem; opacity:0.9;}
.countdown {font-family:'Courier New',monospace; font-size:1.5rem; margin:1rem 0;}
.subscribe-form {display:flex; flex-direction:column; gap:0.5rem;}
.subscribe-form input {padding:0.8rem; border:none; border-radius:8px;}
.subscribe-form button {padding:0.8rem; border:none; border-radius:8px; background:#ff7e5f; color:#fff; cursor:pointer; transition:background 0.3s;}
.subscribe-form button:hover {background:#feb47b;}
@media (max-width:480px){ .card{max-width:90%;} }