body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #fff9db, #ffe8cc);

  display: flex;
  justify-content: center;
  align-items: center;

  padding: 40px 15px;
  min-height: 100vh;
}

.card {
  background: white;
  padding: 30px;
  border-radius: 15px;

  box-shadow: 0 10px 25px rgba(0,0,0,0.1);

  width: 100%;
  max-width: 500px;

  text-align: center;

  display: flex;
  flex-direction: column;
  align-items: center;
}

h1 {
  color: #ff922b;
  margin-bottom: 10px;
}

h2{
  margin-top:0;
}

p {
  color: #555;
  font-size: 14px;
}

ul{
  text-align:left;
  padding-left:20px;
}

#countdown {
  font-size: 20px;
  font-weight: bold;
  color: #e03131;
  margin: 15px 0;
}

button,
input {
  width: 100%;
  max-width: 350px;
  padding: 12px;
  margin: 8px 0;

  font-size: 16px;
  box-sizing: border-box;

  border-radius: 8px;
  border: 1px solid #dee2e6;
}

button {
  background: #4dabf7;
  color: white;
  border: none;
  cursor: pointer;
}

button:hover {
  background: #339af0;
}

.testimoni-box {
  margin-top: 18px;
  padding: 10px;

  background: #f1f3f5;
  border-radius: 10px;

  font-size: 12px;
  color: #444;

  width: 100%;
  box-sizing: border-box;
}

#testimoni-user {
  display: block;
  margin-top: 5px;
  font-size: 11px;
  color: #868e96;
}

.footer-note {
  font-size: 11px;
  color: #999;
  margin-top: 15px;
}

@media (max-width: 480px) {

  body {
    padding: 20px 12px;
  }

  .card {
    padding: 22px;
  }

  h1 {
    font-size: 22px;
  }

  p {
    font-size: 13px;
  }

}