body {
  max-width: 900px;
  margin: auto;
}

body main {
  margin: 40px auto;
  padding: 40px;
}

header nav {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: -10px;
}

/* Dropdown */

.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 130px;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  border-radius: 6px;
  padding: 6px 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
}

.dropdown-menu[hidden] {
  display: none;
}

.dropdown-menu a {
  display: block;
  padding: 7px 14px;
  color: var(--color-text-primary);
  font-size: inherit;
  border-bottom: none;
  white-space: nowrap;
}

.dropdown-menu a:hover,
.dropdown-menu a:focus {
  color: var(--color-accent-dark);
  background-color: var(--color-bg-inset);
  border-bottom: none;
}

.dropdown-toggle {
  cursor: pointer;
  user-select: none;
}

section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: 25px 0;
}

@media (min-width: 650px) {
  section:first-of-type {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }

  section:last-of-type {
    grid-template-columns: 200px 1fr;
    gap: 40px;
  }
}

section:first-of-type article img {
  height: 300px;
  object-fit: cover;
  display: block;
  margin-bottom: 15px;
  padding: 5px;
}

section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

section li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
}

section li span {
  flex: 1;
}

footer {
  margin-top: 60px;
  text-align: center;
}