:root {
  --border-color: #ccc;
  --light-text-color: #737373;
  --alert-color: #b91c1c;
  --warning-color: #ea7d00;
  --success-color: #16a34a;
  --light-background-color: #eff6ff;
}

.button {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.25rem;
  background: #fff;
  color: #000;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 1px 2px rgb(0 0 0 / 10%);
}

.button:hover {
  background: var(--light-background-color);
  box-shadow: 0 2px 4px rgb(30 64 175 / 15%);
}

.button:active {
  transform: translateY(1px);
}

.badge {
  border: 1px solid #bfdbfe;
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  background: var(--light-background-color);
  font-size: 0.75rem;
  font-weight: 600;
}

body {
  font-size: 0.875rem;
  font-family: Inter, Arial;
  margin: 0;
  padding-inline: clamp(1rem, 5vw, 10rem);
}

main {
  margin-block-start: 1.75rem;
}

header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
}

header h2,
header h3 {
  margin: 0;
}

header p {
  margin: 0;
  color: var(--light-text-color);
}

table {
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--border-color);
  border-top: 0;
  border-bottom-left-radius: 0.5rem;
  border-bottom-right-radius: 0.5rem;
  width: 100%;
  table-layout: fixed;
}

caption {
  border: 1px solid var(--border-color);
  border-bottom: 0;
  border-top-left-radius: 0.5rem;
  border-top-right-radius: 0.5rem;
  padding: 1.5rem 1rem;
  font-size: 1.5rem;
  font-weight: 700;
  text-align: left;
  background-color: #eff6ff;
}

th, td {
  border-bottom: 1px solid var(--border-color);
  padding: 1rem;
  text-align: left;
  color: var(--light-text-color);
}

tr:last-child td {
  border-bottom: 0;
}

tr:hover {
  background-color: rgb(245 245 245 / 50%);
}

.navbar {
  margin-inline: calc(-1 * clamp(1rem, 5vw, 10rem));
  padding-block: 1rem;
  padding-inline: clamp(1rem, 5vw, 10rem);
  border-bottom: 1px solid var(--border-color);
}

.navbar ul {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.navbar a {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  color: #000;
  font-weight: 600;
  text-decoration: none;
}

.navbar a:hover {
  color: var(--light-text-color);
}

.homepage {
  max-width: 64rem;
  margin-inline: auto;
  text-align: center;
  padding-block: 6rem;
}

.homepage h1 {
  font-size: 2.5rem;
}

.homepage p {
  font-size: 1.25rem;
  color: var(--light-text-color);
}

.homepage ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.source-characteristic-keys {
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-block: 3rem;
}

.product-comparison > header {
  grid-column: 1 / -1;
}

.product-comparison > header ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-comparison article {
  padding: 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
}

.product-comparison dl {
  display: grid;
  grid-template-columns: minmax(8rem, 1fr) minmax(0, 1.5fr);
  column-gap: 1rem;
  row-gap: 0.5rem;
  margin: 0;
}

.product-comparison dl dt {
  margin: 0;
  color: var(--light-text-color);
}

.product-comparison dl dt.error {
  color: var(--alert-color);
  font-weight: 600;
}

.product-comparison dl dd {
  margin: 0;
  text-align: left;
}

.product-comparison dl dd.error {
  color: var(--alert-color);
  background-color: #fef2f2;
  border: 1px solid var(--alert-color);
  border-radius: 0.25rem;
  padding: 0.5rem 0.75rem;
  font-weight: 600;
}

ul.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 32rem), 32rem));
  justify-content: start;
  gap: 1rem;
  padding: 0;
  list-style: none;
}

.cards li {
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.cards h3,
.cards h4,
.cards p {
  margin: 0;
  align-self: stretch;
}

.cards section {
  margin: 0;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cards dl {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  column-gap: 1rem;
  row-gap: 0.5rem;
  margin: 0;
}

.cards dd {
  margin: 0;
  text-align: right;
  font-weight: 600;
}

.cards .coverage-low {
  color: var(--alert-color);
}

.cards .coverage-medium {
  color: var(--warning-color);
}

.cards .coverage-high {
  color: var(--success-color);
}

.categories .cards nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-self: stretch;
}

.category-list table {
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding-left: 1rem;
  padding-right: 1rem;
}

.category-list thead th {
  border-bottom: 0;
}