/* Base Styles */
:root {
  --primary-color: #2e7d32;
  --primary-dark: #1b5e20;
  --primary-light: #4caf50;
  --secondary-color: #f5f5f5;
  --text-color: #333;
  --text-light: #666;
  --border-color: #e0e0e0;
  --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: #f9f9f9;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin-bottom: 0.5rem;
  font-weight: 600;
  line-height: 1.2;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-dark);
}

/* Header */
.main-header {
  background-color: var(--primary-color);
  color: white;
  padding: 2rem 0;
  text-align: center;
}

.main-header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* Cards */
.card {
  background-color: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  margin-bottom: 1.5rem;
}

.card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.card-header h2 {
  margin-bottom: 0.25rem;
}

.card-header p {
  color: var(--text-light);
  margin-bottom: 0;
}

.card-content {
  padding: 1.5rem;
}

/* Buttons */
.button {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  text-align: center;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
}

.button:hover {
  background-color: var(--primary-dark);
  color: white;
}

/* Footer */
footer {
  background-color: #333;
  color: white;
  padding: 2rem 0;
  text-align: center;
  margin-top: 3rem;
}

.footer-subtitle {
  color: #aaa;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .main-header h1 {
    font-size: 2rem;
  }

  .container {
    padding: 0 15px;
  }
}

@media (max-width: 480px) {
  .main-header h1 {
    font-size: 1.75rem;
  }

  .subtitle {
    font-size: 1rem;
  }
}