@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&display=swap');

body {
  font-family: 'Inter', sans-serif;
  background: linear-gradient(270deg, #0b2333 20%, #29465a 80%);
  margin: 0;
  padding: 0;
  color: #e1faff;
}

.container {
  max-width: 520px;
  margin: 60px auto;
  background: #132c3e;
  padding: 35px 45px;
  border-radius: 16px;
  box-shadow: 0 12px 28px rgba(210, 54, 54, 0.3);
  animation: fadeIn 0.8s ease-in-out;
  border: 1px solid #29465a;
}

h2 {
  text-align: center;
  margin-bottom: 30px;
  font-size: 26px;
  background: linear-gradient(180deg, #00f2ff 0%, #5effff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.form-group {
  margin-bottom: 22px;
  position: relative;
}

label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: #00f2ff;
  font-size: 14px;
  letter-spacing: 0.5px;
}

input[type="text"],
input[type="tel"],
textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid #29465a;
  border-radius: 10px;
  background-color: #1b374a;
  color: #e1faff;
  font-size: 15px;
  box-shadow: inset 0 0 5px rgba(210, 54, 54, 0.2);
  transition: all 0.3s ease-in-out;
}

input[type="text"]::placeholder,
input[type="tel"]::placeholder,
textarea::placeholder {
  color: #8cdde4;
  opacity: 0.85;
  font-style: italic;
}

input:focus,
textarea:focus {
  border-color: #00f2ff;
  background-color: #203f52;
  outline: none;
  box-shadow: 0 0 0 2px rgba(0, 242, 255, 0.3);
}

textarea {
  resize: vertical;
  min-height: 110px;
  line-height: 1.6;
}

button[type="submit"] {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  background: linear-gradient(180deg, #00f2ff 0%, #3ee3ed 100%);
  color: #0b2333;
  border: none;
  border-radius: 10px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
  box-shadow: 0 4px 12px rgba(210, 54, 54, 0.25);
}

button[type="submit"]:hover {
  background: linear-gradient(180deg, #3ee3ed 0%, #00f2ff 100%);
  transform: translateY(-1px);
}

.alert-message.success {
  display: none;
  margin-top: 25px;
  padding: 20px;
  background-color: #00f2ff;
  color: #0b2333;
  border-radius: 10px;
  text-align: center;
  font-weight: 500;
}

/* Fade-in Animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}