body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  margin: 0;
  padding: 0;
  background-color: #fcfcfc;
  color: #222;
  line-height: 1.6;
}
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 15px;
}
header {
  background-color: #005f73;
  color: #fff;
  padding: 15px 0;
  margin-bottom: 1rem;
}
header h1 {
  margin: 0;
  font-weight: 700;
  font-size: 1.8rem;
}
header h1 a {
  color: #fff;
  text-decoration: none;
}
nav ul {
  list-style: none;
  padding: 0;
  margin: 10px 0 0 0;
  display: flex;
  gap: 1rem;
}
nav ul li a {
  color: #cce3e1;
  text-decoration: none;
  font-weight: 600;
}
nav ul li a:hover, nav ul li a[aria-current="page"] {
  color: #94d2bd;
  text-decoration: underline;
}
main {
  margin-bottom: 2rem;
}
.lead-article {
  background-color: #e0fbfc;
  border-left: 6px solid #005f73;
  padding: 1rem 1.5rem;
  margin-bottom: 2rem;
}
.lead-article h2 {
  margin-top: 0;
  font-size: 1.6rem;
}
.read-more {
  display: inline-block;
  margin-top: 0.5rem;
  color: #005f73;
  font-weight: 600;
  text-decoration: none;
}
.read-more:hover {
  text-decoration: underline;
}
.latest-articles article {
  margin-bottom: 1rem;
}
.latest-articles h3 {
  border-bottom: 2px solid #005f73;
  padding-bottom: 0.3rem;
}
.latest-articles h4 {
  margin: 0.2rem 0 0.2rem 0;
}
.latest-articles a {
  color: #0a9396;
  text-decoration: none;
}
.latest-articles a:hover {
  text-decoration: underline;
}
.editorial-note {
  background-color: #caf0f8;
  border-left: 4px solid #0077b6;
  padding: 1rem 1.5rem;
  margin-top: 2rem;
}
.article-content h2 {
  margin-top: 0;
  font-size: 1.8rem;
  color: #005f73;
}
.article-content em {
  font-size: 0.9rem;
  color: #555;
}
.article-content p {
  margin-bottom: 1rem;
}
form label {
  font-weight: 600;
}
form input[type="text"],
form input[type="email"],
form textarea {
  width: 100%;
  padding: 0.5rem;
  margin-bottom: 1rem;
  border: 1px solid #ccc;
  border-radius: 3px;
  font-size: 1rem;
  font-family: inherit;
  box-sizing: border-box;
}
form button {
  background-color: #005f73;
  color: #fff;
  border: none;
  padding: 0.7rem 1.5rem;
  font-size: 1rem;
  border-radius: 3px;
  cursor: pointer;
}
form button:hover {
  background-color: #0a9396;
}
footer {
  background-color: #001219;
  color: #94d2bd;
  padding: 1rem 0;
  font-size: 0.9rem;
}
footer nav ul {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin: 0 0 0.5rem 0;
}
footer nav ul li a {
  color: #94d2bd;
  text-decoration: none;
}
footer nav ul li a:hover {
  text-decoration: underline;
}
@media (min-width: 768px) {
  main {
    display: flex;
    gap: 2rem;
  }
  .lead-article, .latest-articles {
    flex: 2;
  }
  aside {
    flex: 1;
  }
  .editorial-note {
    margin-top: 0;
  }
}