:root {
  --text: #3a5757;
  --link: #67b0d1;
  --muted: #6d7f7f;
  --rule: #e2ebeb;
  --bg-accent: linear-gradient(to bottom, #bcffa0, #fff);
  --footer: #575757;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Petrona', Georgia, serif;
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text);
  background: #fff;
  -webkit-text-size-adjust: 100%;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 0.75rem 1.25rem;
  background: #fff;
  color: var(--text);
  z-index: 10;
}

.skip-link:focus {
  left: 0;
}

.page-header {
  background: var(--bg-accent);
  padding: 2.5rem 1.25rem 2rem;
}

.page-header .inner,
main,
.page-footer .inner {
  max-width: 46rem;
  margin: 0 auto;
}

.page-header h1 {
  font-family: 'Lato', Arial, sans-serif;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 700;
  margin: 0 0 0.25rem;
}

.page-header .home-link {
  font-family: 'Lato', Arial, sans-serif;
  font-size: 0.9375rem;
  display: inline-block;
  margin-bottom: 1.5rem;
}

main {
  padding: 2.5rem 1.25rem 3.5rem;
}

h2 {
  font-family: 'Lato', Arial, sans-serif;
  font-size: 1.375rem;
  font-weight: 700;
  margin: 2.5rem 0 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

main > h2:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

h3 {
  font-family: 'Lato', Arial, sans-serif;
  font-size: 1.0625rem;
  font-weight: 700;
  margin: 1.75rem 0 0.5rem;
}

p,
ul {
  margin: 0 0 1rem;
}

ul {
  padding-left: 1.25rem;
}

li {
  margin-bottom: 0.375rem;
}

a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

a:hover,
a:focus-visible {
  color: var(--text);
}

:focus-visible {
  outline: 3px solid var(--link);
  outline-offset: 2px;
}

address {
  font-style: normal;
  margin-bottom: 1rem;
}

.meta {
  color: var(--muted);
  font-size: 0.9375rem;
}

.todo {
  background: #fff3a8;
  border-bottom: 2px solid #d4b400;
  padding: 0.1em 0.35em;
  font-family: 'Lato', Arial, sans-serif;
  font-size: 0.9em;
  font-weight: 700;
}

.page-footer {
  background: var(--footer);
  color: #fff;
  padding: 2rem 1.25rem;
  font-family: 'Lato', Arial, sans-serif;
  font-size: 0.9375rem;
}

.page-footer a {
  color: #fff;
}

.page-footer nav {
  margin-bottom: 0.5rem;
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.page-footer nav a,
.page-header .home-link {
  display: inline-block;
  padding: 0.7em 0;
}