/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Background + Body */
body {
  font-family: 'Segoe UI', sans-serif;
  background: url('img/pexels-pixabay-556414.jpg') no-repeat center center fixed;
  background-size: cover;
  padding: 50px 20px;
  color: #fff;
}

/* Header */
.regform {
  max-width: 600px;
  margin: auto;
  background: rgba(0, 0, 0, 0.7);
  text-align: center;
  padding: 20px 30px;
  border-radius: 15px 15px 0 0;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.regform h1 {
  font-size: 32px;
  font-weight: bold;
  color: #fff;
}

/* Main Form */
.main {
  max-width: 600px;
  margin: auto;
  background: rgba(0, 0, 0, 0.65);
  padding: 30px;
  border-radius: 0 0 15px 15px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
}

/* Form Layout */
form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.form-group-row .form-group {
  flex: 1;
}

/* Labels and Inputs */
label {
  font-size: 15px;
  margin-bottom: 6px;
  color: #eaeaea;
  font-weight: 500;
}

input,
select {
  padding: 12px 16px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  background: #fff;
  color: #333;
  transition: all 0.3s ease-in-out;
}

input:focus,
select:focus {
  outline: none;
  box-shadow: 0 0 5px rgba(81, 203, 238, 1);
  border: 1px solid rgba(81, 203, 238, 1);
}

/* Radio Group */
.radio-group {
  display: flex;
  gap: 25px;
  margin-top: 5px;
}

.radio-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
}

input[type="radio"] {
  accent-color: #3baf9f;
  width: 18px;
  height: 18px;
}

/* Submit Button */
button {
  padding: 14px;
  background-color: #3baf9f;
  color: #fff;
  border: none;
  font-size: 16px;
  border-radius: 10px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #2a9d8f;
}

/* Responsive */
@media (max-width: 600px) {
  .form-group-row {
    flex-direction: column;
  }
}