:root {
  color-scheme: light;
  --ink: #07111f;
  --muted: #53657d;
  --blue: #155eef;
  --line: #c9d5e5;
  --paper: #fff;
  --base: #f7f9fc;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--base);
  color: var(--ink);
  font:
    17px/1.65 system-ui,
    sans-serif;
}
a {
  color: var(--blue);
  text-underline-offset: 0.2em;
}
a:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}
.skip-link {
  position: absolute;
  top: -5rem;
  left: 1rem;
  background: white;
  padding: 0.75rem;
  z-index: 2;
}
.skip-link:focus {
  top: 1rem;
}
.site-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem max(1.25rem, calc((100vw - 76rem) / 2));
  background: var(--ink);
  color: white;
}
.site-header a {
  color: white;
  text-decoration: none;
  display: inline-block;
  padding: 0.5rem 0;
}
.site-header a[aria-current='page'] {
  text-decoration: underline;
}
.brand {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  margin-right: auto;
}
.brand span {
  color: #84b2ff;
}
.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}
main {
  max-width: 76rem;
  margin: auto;
  padding: 3rem 1.25rem 4rem;
}
.intro {
  max-width: 48rem;
  margin-bottom: 2.5rem;
}
.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  font-weight: 750;
  color: var(--muted);
}
h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.07;
  letter-spacing: -0.045em;
  text-wrap: balance;
  margin: 0.5rem 0 1rem;
}
h2 {
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  margin: 3rem 0 1rem;
}
.first-week {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue);
  padding: 0.5rem 1.5rem 1rem;
  max-width: 52rem;
}
.first-week h2 {
  margin-top: 1rem;
}
.steps {
  padding-left: 1.5rem;
}
.steps li {
  margin: 0.75rem 0;
}
.steps a {
  font-weight: 700;
}
.steps span {
  display: block;
  color: var(--muted);
}
.hint {
  color: var(--muted);
  font-size: 0.95rem;
}
.cards {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr));
  gap: 1rem;
}
.cards li {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  padding: 1.25rem;
}
.cards li:focus-within {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}
.cards h3 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
}
.cards h3 a {
  text-decoration: none;
}
.cards h3 a:focus-visible {
  outline: none;
}
/* The whole card is clickable while the heading stays the accessible link name. */
.cards h3 a::after {
  content: '';
  position: absolute;
  inset: 0;
}
.cards p {
  margin: 0;
}
.cards .outputs {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.limits,
.product {
  max-width: 52rem;
}
.limits li {
  margin: 0.5rem 0;
}
footer {
  border-top: 1px solid var(--line);
  max-width: 76rem;
  margin: auto;
  padding: 1.5rem 1.25rem;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
}
footer a {
  padding: 0.5rem 0;
}
@media (max-width: 52rem) {
  .site-header nav {
    gap: 1rem;
    font-size: 0.85rem;
  }
  main {
    padding-top: 2rem;
  }
  .first-week {
    padding-inline: 1rem;
  }
}