body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #f5f7fb;
  color: #222;
}

header {
  background-color: #1d3557;
  color: white;
  padding: 20px 40px;
}

header h1 {
  margin: 0;
}

nav {
  margin-top: 10px;
}

nav a {
  color: white;
  text-decoration: none;
  margin-right: 20px;
  font-size: 15px;
}

.hero {
  text-align: center;
  padding: 80px 20px;
  background-color: white;
}

.hero h2 {
  font-size: 42px;
  max-width: 800px;
  margin: auto;
}

.hero p {
  max-width: 700px;
  margin: 20px auto;
  font-size: 18px;
  color: #555;
}

.cards {
  display: flex;
  gap: 20px;
  padding: 40px;
  flex-wrap: wrap;
  justify-content: center;
}

.card {
  background-color: white;
  padding: 25px;
  border-radius: 10px;
  width: 280px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.card h3 {
  margin-top: 0;
  color: #1d3557;
}

.card-link {
  text-decoration: none;
  color: inherit;
}

footer {
  background-color: #1d3557;
  color: white;
  text-align: center;
  padding: 20px;
}

.article-page {
  max-width: 900px;
  margin: auto;
  background-color: white;
  padding: 50px 30px;
  line-height: 1.8;
}

.article-page h2 {
  color: #1d3557;
  margin-bottom: 20px;
}

.article-page h3 {
  margin-top: 40px;
  color: #1d3557;
}

.article-page ul {
  padding-left: 20px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: Arial, sans-serif;
  color: #1d3557;
}

p, li {
  font-size: 18px;
  line-height: 1.8;
  color: #333;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  margin-bottom: 30px;
}

table th,
table td {
  border: 1px solid #ddd;
  padding: 12px;
  text-align: left;
}

table th {
  background-color: #1d3557;
  color: white;
}

a {
  color: #1d3557;
}
footer a {
  color: white;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}
footer {
  display: block;
  width: 100%;
}