body {
  font-family: 'Segoe UI', Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f8fafc;
  color: #222;
}
header {
  background: #0a2540;
  color: #fff;
  padding: 2rem 1rem 1rem 1rem;
  text-align: center;
}
header h1 {
  margin: 0;
  font-size: 2.5rem;
  letter-spacing: 0.05em;
}
header h2 {
  margin: 0.5rem 0 0 0;
  font-weight: 400;
  font-size: 1.2rem;
}
.tagline {
  margin-top: 0.5rem;
  font-size: 1rem;
  color: #b3c7e6;
}
main {
  max-width: 600px;
  margin: 2rem auto;
  padding: 1rem;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(10,37,64,0.07);
}
.overview ul {
  padding-left: 1.2rem;
}
.notice {
  background: #fffbe6;
  border-left: 4px solid #f7c948;
  padding: 1rem;
  margin: 2rem 0;
  border-radius: 8px;
}
.contact form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.contact input[type="email"] {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid #b3c7e6;
  border-radius: 4px;
  font-size: 1rem;
}
.contact button {
  background: #0a2540;
  color: #fff;
  border: none;
  padding: 0.5rem 1.2rem;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
}
.contact button:hover {
  background: #174ea6;
}
.socials {
  display: flex;
  gap: 1rem;
}
.socials a {
  color: #0a2540;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}
.socials a:hover {
  color: #174ea6;
}
footer {
  text-align: center;
  padding: 1.5rem 1rem 1rem 1rem;
  color: #6b7280;
  font-size: 0.95rem;
}
.status {
  margin-bottom: 0.5rem;
}
@media (max-width: 600px) {
  main {
    margin: 1rem;
    padding: 0.5rem;
  }
  header {
    padding: 1.2rem 0.5rem 0.5rem 0.5rem;
  }
}