:root {
  --primary: #00BFA5;
  --primary-dark: #00897B;
  --bg: #F2FAF9;
  --text: #172321;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  padding: 40px 0 20px;
  text-align: center;
}

header h1 {
  color: var(--primary-dark);
  font-size: 2rem;
  margin-bottom: 10px;
}

header h1 a {
  text-decoration: none;
  color: inherit;
}

main {
  max-width: 800px;
  margin: 0 auto;
  flex: 1;
  width: 100%;
}

.card {
  background: #ffffff;
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 20px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

h1, h2, h3 {
  margin-bottom: 15px;
  color: var(--primary-dark);
}

p {
  margin-bottom: 15px;
}

ul {
  margin-bottom: 15px;
  padding-left: 20px;
}

li {
  margin-bottom: 8px;
}

a {
  color: var(--primary-dark);
  text-decoration: none;
  font-weight: 500;
}

a:hover {
  text-decoration: underline;
  color: var(--primary);
}

.button {
  display: inline-block;
  background-color: var(--primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  margin: 5px;
  text-align: center;
}

.button:hover {
  background-color: var(--primary-dark);
  text-decoration: none;
  color: #fff;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 30px;
}

footer {
  text-align: center;
  padding: 40px 0;
  font-size: 0.85rem;
  opacity: 0.8;
  max-width: 600px;
  margin: 0 auto;
}

footer a {
  color: var(--text);
}

.last-updated {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 20px;
  font-style: italic;
}

@media (max-width: 600px) {
  .card {
    padding: 20px;
  }
}