* {
  box-sizing: border-box;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  margin: 0;
  background: #f5f2ee;
  color: #333;
}

.hero {
  text-align: center;
  padding: 3rem 1rem;
  background: #ffffff;
}

.hero h1 {
  font-size: 2.5rem;
  margin: 0;
}

.date {
  margin-top: 0.5rem;
  color: #777;
}

.nav {
  display: flex;
  justify-content: space-around;
  background: #fff;
  position: sticky;
  top: 0;
  border-bottom: 1px solid #eee;
}

.nav a {
  padding: 1rem;
  text-decoration: none;
  color: #333;
  font-weight: 500;
}

main {
  padding: 1.5rem;
}

section {
  margin-bottom: 3rem;
}

h2 {
  margin-bottom: 1rem;
}

.agenda {
  list-style: none;
  padding: 0;
}

.agenda li {
  padding: 0.5rem 0;
}

.button {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.75rem 1.25rem;
  background: #333;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
}

.button.secondary {
  background: #777;
  margin-left: 0.5rem;
}

footer {
  text-align: center;
  padding: 2rem 1rem;
  color: #777;
}