body {
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #232526, #3a3a43, #12c2e9 70%);
  color: #fff;
  font-family: 'Montserrat', Arial, sans-serif;
  min-height: 100vh;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.container {
  text-align: center;
  padding: 30px 20px;
  border-radius: 15px;
  background: rgba(15, 15, 23, 0.90);
  max-width: 410px;
  box-shadow: 0 10px 32px 0 rgba(34, 48, 94, 0.2);
}
.main-title {
  font-size: 2.8em;
  margin-bottom: 0.4em;
  letter-spacing: 1px;
  background: linear-gradient(90deg, #12c2e9, #c471ed, #f64f59);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
          background-clip: text;
          color: transparent;
}
.subtitle {
  font-size: 1.2em;
  margin-bottom: 32px;
  color: #d0eaff;
}
.countdown {
  font-size: 2em;
  margin: 20px 0 30px 0;
  letter-spacing: 1.5px;
  color: #f3f8fb;
}
.email-form {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.email-form input[type="email"] {
  padding: 8px 12px;
  border-radius: 4px;
  border: none;
  outline: none;
  font-size: 1em;
  width: 160px;
}
.email-form button {
  padding: 8px 16px;
  background: #12c2e9;
  color: #fff;
  border: none;
  border-radius: 4px;
  font-weight: bold;
  font-size: 1em;
  cursor: pointer;
  transition: background 0.2s;
}
.email-form button:hover {
  background: #0d8ecf;
}
.message {
  font-size: 1em;
  color: #73ffcc;
  margin-bottom: 0;
}
.footer {
  margin-top: 35px;
  font-size: 0.95em;
  color: #bcdffe;
  opacity: 0.66;
}
@media (max-width: 450px) {
  .container {
    max-width: 95vw;
    padding: 20px 4vw;
  }
  .main-title {
    font-size: 2em;
  }
  .countdown {
    font-size: 1.15em;
  }
}