:root {
  color-scheme: dark;
  --color-night: #0b0509;
  --color-wine: #1b0a14;
  --color-plum: #2a1022;
  --color-ruby: #a92e58;
  --color-ruby-pressed: #8c2449;
  --color-cream: #fff2e8;
  --color-soft-cream: #ebd5cc;
  --color-muted-rose: #d5a9b8;
  --color-outline: #714056;
  --content-width: 46rem;
  --radius: 1rem;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--color-night);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--color-cream);
  background: var(--color-night);
  line-height: 1.65;
}

a {
  color: var(--color-soft-cream);
  text-decoration-color: var(--color-ruby);
  text-underline-offset: 0.2em;
}

:focus-visible {
  outline: 0.2rem solid var(--color-cream);
  outline-offset: 0.25rem;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  transform: translateY(-200%);
  padding: 0.75rem 1rem;
  background: var(--color-cream);
  color: var(--color-night);
}

.skip-link:focus {
  transform: translateY(0);
}

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

.site-header {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding-block: 1.5rem 1rem;
}

.brand-logo {
  width: 4.5rem;
  height: auto;
}

.page-shell {
  margin-block: 1rem 4rem;
  padding: clamp(1.25rem, 4vw, 3rem);
  border: 1px solid var(--color-outline);
  border-radius: var(--radius);
  background: var(--color-wine);
}

h1,
h2,
h3 {
  max-width: 28ch;
  line-height: 1.2;
  text-wrap: balance;
}

h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.1rem, 7vw, 3.75rem);
}

p,
li {
  max-width: 68ch;
}

.table-of-contents,
.callout {
  margin-block: 2rem;
  padding: 1.25rem;
  border: 1px solid var(--color-outline);
  border-radius: var(--radius);
  background: var(--color-plum);
}

.primary-action {
  display: inline-flex;
  min-height: 3.25rem;
  align-items: center;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  background: var(--color-ruby);
  color: var(--color-cream);
  font-weight: 700;
  text-decoration: none;
}

.primary-action:hover {
  background: var(--color-ruby-pressed);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0 3rem;
}

.redirect-shell {
  display: grid;
  min-height: 100vh;
  place-content: center;
  justify-items: center;
  padding: 1rem;
  text-align: center;
}

@media (max-width: 40rem) {
  .site-header,
  .page-shell,
  .site-footer {
    width: min(calc(100% - 1rem), var(--content-width));
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

@media print {
  :root {
    color-scheme: light;
  }

  body,
  .page-shell {
    background: #fff;
    color: #111;
  }

  .skip-link,
  .site-header,
  .site-footer,
  .primary-action {
    display: none;
  }
}