:root {
  --primary: #1d4ed8;
  --text: #1f2933;
  --muted: #6b7280;
  --bg: #f9fafb;
  --card: #ffffff;
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  padding: 16px;
}

.container {
  max-width: 900px;
  margin: auto;
  background: var(--card);
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

h1 {
  font-size: 1.8rem;
  text-align: center;
  color: var(--primary);
  margin-bottom: 20px;
}

h2 {
  font-size: 1.3rem;
  margin-top: 10px;
  margin-bottom: 10px;
  color: #111827;
  border-left: 4px solid var(--primary);
  padding-left: 10px;
}

h3 {
  font-size: 1.1rem;
  margin-top: 22px;
  margin-bottom: 8px;
  color: #1f2937;
}

p {
  margin-bottom: 12px;
  font-size: 0.97rem;
}

ul {
  margin-left: 18px;
  margin-bottom: 14px;
}

li {
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.highlight {
  background: #eef2ff;
  padding: 12px;
  border-radius: 8px;
  margin: 14px 0;
  border-left: 4px solid var(--primary);
}

.note {
  background: #fefce8;
  padding: 12px;
  border-radius: 8px;
  border-left: 4px solid #eab308;
  margin: 14px 0;
  font-size: 0.95rem;
}

footer {
  margin-top: 30px;
  text-align: center;
  font-size: 0.85rem;
  color: 444444;
}

@media (max-width: 600px) {
  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.15rem;
  }
}
.home-button {
      margin-top: 20px;
      text-align: center;
    }

    .home-button a {
      display: inline-block;
      background-color: #2c3e50;
      color: white;
      padding: 8px 16px;
      font-size: 14px;
      border-radius: 10px;
      text-decoration: none;
      font-weight: bold;
    }

    .home-button a:hover {
      background-color: #34495e;
    }
.home-button1 {
      margin-top: 20px;
      text-align: left;
    }

    .home-button1 a {
      display: inline-block;
      background-color: #2c3e50;
      color: white;
      padding: 8px 16px;
      font-size: 14px;
      border-radius: 10px;
      text-decoration: none;
      font-weight: bold;
    }

    .home-button1 a:hover {
      background-color: #34495e;
    }
.home-button2 {
      margin-top: 20px;
      text-align: left;
      display: inline-block;
      background-color: #ffff99;
      color: black;
      padding: 8px 16px;
      font-size: 16px;
      border-radius: 10px;
      text-decoration: none;
      font-weight: bold;
    }
.home-button3 {
      margin-top: 20px;
      text-align: left;
      display: inline-block;
      background-color: #82cbb2;
      color: black;
      padding: 8px 16px;
      font-size: 16px;
      border-radius: 10px;
      text-decoration: none;
      font-weight: bold;
    }
.home-button4 {
      margin-top: 20px;
      text-align: left;
      display: inline-block;
      background-color: #cccccc;
      color: black;
      padding: 8px 16px;
      font-size: 16px;
      border-radius: 10px;
      text-decoration: none;
      font-weight: bold;
    }
.responsive-img {
  width: 250px;
  float: right;
  margin: 10px 20px 10px 0;
}

/* Mobile view */
@media (max-width: 768px) {
  .responsive-img {
    float: none;
    display: block;
    margin: 20px auto;
  }
}