:root {
  --color-lime: #a3ff47;
  --color-purple: #8b5cf6;
  --color-orange: #ff9f3d;
  --color-sky: #22d3ee;
  --color-ink: #111827;
  --color-cloud: #f8fafc;
  --font-body: "Sora", "Segoe UI", sans-serif;
  --space: 1rem;
  --measure: 72rem;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-cloud);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.5;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid var(--color-purple);
  outline-offset: 2px;
}

.skip {
  position: absolute;
  left: var(--space);
  top: -4rem;
  background: var(--color-ink);
  color: var(--color-cloud);
  padding: 0.5rem 0.75rem;
}

.skip:focus {
  top: var(--space);
}

.site-header,
.site-footer,
main {
  width: min(var(--measure), calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  text-decoration: none;
}

.brand img {
  width: 2.5rem;
  height: 2.5rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

.nav a {
  text-decoration: none;
}

.nav a[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 0.25rem;
}

h1,
h2 {
  line-height: 1.2;
}

.lead {
  max-width: 40rem;
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: 0;
  list-style: none;
}

@media (min-width: 800px) {
  .cards {
    grid-template-columns: 1fr 1fr;
  }
}

.card {
  display: block;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 1rem;
  padding: 1rem;
  text-decoration: none;
}

.card h2 {
  margin: 0.5rem 0;
  font-size: 1.25rem;
}

.mark {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  font-size: 0.875rem;
  font-weight: 700;
}

.mark[data-state="verified"] {
  background: var(--color-lime);
}

.mark[data-state="changed"] {
  background: var(--color-orange);
}

.mark[data-state="unverified"] {
  background: var(--color-cloud);
  color: var(--color-ink);
  border: 1px solid var(--color-ink);
}

.facts {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 0.25rem 0.75rem;
  margin: 0;
}

.facts dt {
  font-weight: 700;
}

.facts dd {
  margin: 0;
}

.notice {
  background: #fff7ed;
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
}

.calculator {
  display: grid;
  gap: 0.75rem;
  max-width: 36rem;
}

.calculator label {
  display: grid;
  gap: 0.25rem;
  font-weight: 700;
}

.calculator input,
.calculator select {
  font: inherit;
  padding: 0.5rem 0.6rem;
  border: 1px solid #cbd5e1;
  border-radius: 0.5rem;
}

.calculator button {
  font: inherit;
  font-weight: 700;
  background: var(--color-lime);
  color: var(--color-ink);
  border: 0;
  border-radius: 999px;
  padding: 0.7rem 1rem;
  width: fit-content;
}

.result-list {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.4rem 1rem;
  background: white;
  border-radius: 1rem;
  padding: 1rem;
}

.result-list dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.site-footer {
  padding: 2rem 0 3rem;
  color: #374151;
}

.sources {
  font-size: 0.95rem;
}