body {
  margin: 0;
  font-family: 'Helvetica Neue', sans-serif;
  background: #fffdf8;
  color: #2e2e2e;
}
.hero-banner {
  background: linear-gradient(135deg, #fde68a, #facc15);
  color: #3a3a01;
  text-align: center;
  padding: 3rem 2rem;
}
.site-title {
  font-size: 2.5rem;
  margin: 0;
}
.site-tagline {
  font-size: 1.2rem;
  margin-top: 0.5rem;
}
.subscribe-button {
  display: inline-block;
  margin-top: 1.5rem;
  background: #3a3a01;
  color: white;
  padding: 0.8rem 1.6rem;
  border-radius: 5px;
  text-decoration: none;
}
.subscribe-button:hover {
  background: #575700;
}
.nav-tabs {
  background: #fef9c3;
  padding: 1rem;
  text-align: center;
}
.nav-link {
  margin: 0 1rem;
  color: #3a3a01;
  font-weight: bold;
  text-decoration: none;
}
.nav-link.active {
  text-decoration: underline;
}
.main-content {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}
.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}
.footer {
  background: #fef9c3;
  text-align: center;
  padding: 2rem 1rem;
  color: #5c5c00;
}
a[href^="mailto:"] {
  color: #3a3a01;
  text-decoration: underline;
}