body {
  font-family: Playfair Display;
  font-size: 16px;
  margin: 0;
  background: #f5f7f6;
  color: #333;
}

header {
  background: #1f6f6d;
  color: white;
  padding: clamp(20px, 5vw, 40px) 20px;
  text-align: center;
}

nav {
  background: #155a58;
  padding: 12px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px;
}

nav a {
  color: white;
  margin: 4px 8px;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

.container {
  max-width: 900px;
  margin: auto;
  padding: clamp(20px, 4vw, 40px) 20px;
}

.site-title {
  font-size: 2em;
  font-weight: bold;
  margin: 0 0 8px 0;
}

.card {
  background: white;
  padding: clamp(16px, 4vw, 30px);
  border-radius: 8px;
  margin-bottom: 25px;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
}

h1, h2 {
  color: #1f6f6d;
}

.button {
  display: inline-block;
  background: #1f6f6d;
  color: white;
  padding: 12px 22px;
  border-radius: 6px;
  text-decoration: none;
  margin-top: 10px;
}

.footer {
  text-align: center;
  padding: 30px;
  color: #777;
}

/* Mobile */
@media (max-width: 480px) {
  .button {
    display: block;
    text-align: center;
  }
}