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

html {
  min-width: 20rem;
  scroll-behavior: smooth;
}

body {
  min-width: 0;
  margin: 0;
  background: var(--color-background);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: var(--color-info);
  text-underline-offset: 0.16em;
}

a:hover {
  color: var(--color-primary-hover);
}

h1,
h2,
h3,
p,
ul,
ol {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--color-primary);
  line-height: var(--line-height-tight);
}

h1 {
  font-size: var(--font-size-2xl);
  letter-spacing: -0.025em;
}

h2 {
  font-size: var(--font-size-xl);
}

h3 {
  font-size: var(--font-size-lg);
}

p,
li {
  max-width: var(--content-width-reading);
}

button,
input,
select,
textarea {
  font: inherit;
}

textarea {
  min-height: 7rem;
  resize: vertical;
}

::selection {
  background: #cdebf0;
  color: var(--color-text-primary);
}

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: var(--space-3);
  left: var(--space-3);
  transform: translateY(-160%);
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-3) var(--space-4);
  text-decoration: none;
}

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

.public-page {
  background: var(--color-surface);
}

.site-shell {
  width: min(calc(100% - (var(--mobile-gutter) * 2)), var(--content-width-reading));
  margin-inline: auto;
  padding-block: var(--space-6) var(--space-10);
}

.site-header {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.brand {
  display: inline-flex;
  width: fit-content;
}

.brand img {
  height: 2rem;
  width: auto;
}

.tagline {
  margin-bottom: 0;
  color: var(--color-text-secondary);
}

.site-account-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.site-account-nav a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
}

.public-content > * + * {
  margin-top: var(--space-5);
}

.site-shell footer {
  margin-top: var(--space-12);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.site-shell footer a {
  color: inherit;
}

@media (min-width: 641px) {
  .site-shell {
    width: min(calc(100% - (var(--page-gutter) * 2)), var(--content-width-reading));
    padding-top: var(--space-10);
  }
}