body {
  padding-bottom: 60px; /* For mobile nav */
}

nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--pico-background-color);
  border-top: 1px solid var(--pico-muted-border-color);
  display: flex;
  justify-content: space-around;
  padding: 10px;
  z-index: 1000;
  flex-wrap: wrap;
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
    padding-top: 100px;
  }
  nav {
    bottom: auto;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    right: auto;
    border-radius: 50px;
    border: 1px solid var(--pico-muted-border-color);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    padding: 10px 30px;
    gap: 20px;
    width: max-content;
    max-width: 90%;
  }
}

nav a {
  color: var(--pico-primary);
  text-decoration: none;
  font-weight: 600;
  padding: 5px 10px;
}

nav a:hover {
  text-decoration: underline;
}

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

header img {
  border-radius: 8px;
  margin-top: 20px;
  max-width: 100%;
  height: auto;
}

address {
  margin-top: 40px;
  padding: 20px;
  background: var(--pico-card-background-color);
  border-radius: 8px;
  border: 1px solid var(--pico-muted-border-color);
}