/* style.css - Giao diện chuẩn hóa toàn bộ theo trang chủ */
/* Google Font */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

/* Reset và cấu trúc nền */
body {
  font-family: 'Roboto', sans-serif;
  margin: 0;
  padding: 0;
  background: #f0f4f8;
  color: #333;
}

/* Header */
header {
  background-color: #1e3a8a;
  color: white;
  padding: 25px 15px;
  text-align: center;
}
header h1 {
  margin: 0;
  font-size: 2.2em;
}
header p {
  margin: 6px 0 0;
  font-size: 1.1em;
  opacity: 0.9;
}

/* Main Content */
main {
  padding: 40px 20px;
  max-width: 860px;
  margin: 40px auto;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* Typography */
h2 {
  color: #1e3a8a;
  margin-top: 30px;
  font-size: 1.5em;
}
p {
  line-height: 1.6;
  font-size: 1em;
}

/* List & Bullet icons */
ul li {
  margin-bottom: 10px;
  font-size: 1em;
}

/* Footer */
footer {
  text-align: center;
  padding: 20px;
  margin-top: 40px;
  background: #e2e8f0;
  color: #555;
  font-size: 0.95em;
}

/* Links */
a {
  color: #1e40af;
  text-decoration: none;
  font-weight: 500;
}
a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  main {
    padding: 20px 15px;
  }
  header h1 {
    font-size: 1.6em;
  }
}