* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, sans-serif;
  margin: 1rem;
  color: #1f2933;
  background: #f7f9fb;
  line-height: 1.5;
}

.skip {
  position: absolute;
  left: -999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  background: #fff;
  padding: 0.5rem;
}

header {
  border-bottom: 3px solid #0b6e5f;
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}
header p {
  margin: 0 0 0.25rem;
  color: #52606d;
}
h1 {
  margin: 0;
}

nav {
  margin: 0.5rem 0 1rem;
}
a {
  color: #0b57d0;
}

.meta {
  color: #52606d;
  margin: 0 0 1.25rem;
}

.gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.card {
  background: #fff;
  border: 1px solid #d9e2ec;
  border-radius: 0.5rem;
  padding: 1rem;
  flex: 1 1 14rem;
  max-width: 20rem;
  scroll-margin-top: 1rem;
}

.card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
}

.card .frame {
  background: #eef2f6;
  border-radius: 0.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 9rem;
  margin-bottom: 0.75rem;
}

.card img {
  max-width: 5.5rem;
  height: auto;
  display: block;
}

.card p {
  margin: 0 0 0.75rem;
  color: #3e4c59;
}

.card .story {
  color: #0b57d0;
}

.card .story summary {
  cursor: pointer;
  list-style: none;
}

.card .story summary::-webkit-details-marker {
  display: none;
}

.card .story summary::before {
  content: "▶ ";
  color: #1f2933;
  font-size: 0.75rem;
}

.card .story[open] summary::before {
  content: "▼ ";
}

.card .story p {
  margin: 0.5rem 0 0;
  font-size: 0.95rem;
}

footer {
  margin-top: 2rem;
  color: #52606d;
  font-size: 0.9rem;
}

@media (max-width: 40rem) {
  .card {
    max-width: none;
  }
}