:root {
  --primary-color: #3f746e;
  --background-color: #f5f5f5;
  --text-color: #333333;
}

body {
  background: var(--background-color);
  color: var(--text-color);
  font-family: 'Segoe UI', Tahoma, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

header {
  background: var(--primary-color);
  color: #ffffff;
  padding: 1rem;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.hero img {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
  border-bottom: 4px solid var(--primary-color);
}

.form-section {
  padding: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.form-section form {
  display: grid;
  gap: 1rem;
}

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

.input-group label {
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.input-group input,
.input-group textarea {
  padding: 0.5rem;
  border: 1px solid #cccccc;
  border-radius: 6px;
}

button {
  padding: 0.75rem 1.5rem;
  background: var(--primary-color);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.3s ease;
}

button:hover {
  background: #2c594e;
}

.output-section {
  max-width: 800px;
  margin: 2rem auto;
  padding: 1rem;
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.proposal-output {
  white-space: pre-line;
  margin-top: 1rem;
  font-family: 'Georgia', serif;
  line-height: 1.4;
}