.main-content {
  max-width: 880px;
  margin: 120px auto;
  padding: 48px 32px;
  background-color: #e0f7fa;
  color: #111;
  box-sizing: border-box;
  border: 2px solid #004080;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0, 32, 64, 0.1);
}

.main-content h1 {
  font-size: 2.3rem;
  margin-bottom: 0.5em;
  border-bottom: 2px solid #004080;
  padding-bottom: 0.3em;
  color: #002f4b;
}

.main-content p {
  font-size: 1.05rem;
  margin-bottom: 2em;
  line-height: 1.6;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5em;
}

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

.form-field label {
  font-weight: bold;
  margin-bottom: 6px;
  color: #003650;
}

.form-field input,
.form-field textarea {
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
  color: #111;
  transition: border-color 0.2s ease;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: #004080;
  outline: none;
}

#sendButton {
  align-self: flex-start;
  padding: 12px 24px;
  font-size: 1rem;
  background-color: #004080;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s ease;
}

#sendButton:hover {
  background-color: #002f5c;
}

#result {
  margin-top: 1.5em;
  font-weight: bold;
  color: #004080;
}

/* Responsive */
@media (max-width: 600px) {
  .main-content {
    padding: 24px 16px;
    margin: 80px 16px;
  }

  .main-content h1 {
    font-size: 1.9rem;
  }

  .form-field input,
  .form-field textarea {
    font-size: 1rem;
  }
}