body {
  background: #f4f4f4;
  font-family: Arial, sans-serif;
}

.registration-form {
  width: 80%;
  max-width: 900px;
  margin: 30px auto;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 0 10px #ccc;
  padding: 30px 40px;
}

.main-heading {
  background: #480fc3;
  color: #fff;
  padding: 15px;
  text-align: center;
  border-radius: 5px 5px 0 0;
  margin-bottom: 10px;
}

.section {
  margin-bottom: 25px;
  border: 1px solid #2e0dbe;
  border-radius: 5px;
  padding: 15px 20px;
}

.section h3 {
  background: lch(18.45% 73.34 310.86);
  color: #fff;
  margin: -15px -20px 15px -20px;
  padding: 10px 20px;
  border-radius: 5px 5px 0 0;
  font-size: 18px;
}

.info-box {
  background: #e2f3e6;
  color: #530487;
  padding: 10px 20px;
  margin-bottom: 15px;
  border-radius: 5px;
  font-size: 15px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 10px;
}

.field {
  flex: 1;
  min-width: 220px;
  display: flex;
  flex-direction: column;
}

label {
  font-weight: bold;
  margin-bottom: 4px;
}

input[type="text"],
input[type="email"],
input[type="date"],
input[type="file"],
select {
  padding: 7px 10px;
  border-radius: 4px;
  border: 1px solid #aaa;
  font-size: 15px;
  margin-bottom: 8px;
}

button.submit-btn {
  width: 100%;
  padding: 12px 0;
  background: #2e0165;
  color: #fff;
  border: none;
  border-radius: 5px;
  font-size: 18px;
  cursor: pointer;
  margin-top: 20px;
}

button.submit-btn:hover {
  background: #14591d;
}

@media (max-width: 700px) {
  .registration-form {
    padding: 10px;
    width: 98%;
  }
  .row {
    flex-direction: column;
    gap: 0;
  }
}