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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
p,
figure {
  margin: 0;
}

h1,
h2,
h3 {
  line-height: var(--leading-tight);
  letter-spacing: -0.018em;
  font-weight: 600;
}

h1 {
  font-size: var(--text-3xl);
}

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

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

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page {
  flex: 1;
  width: 100%;
  max-width: var(--container-lg);
  margin: 0 auto;
  padding: var(--space-7) var(--space-5) var(--space-8);
}

.page--narrow {
  max-width: var(--container-sm);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--space-8);
}

.page--medium {
  max-width: var(--container-md);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.stack--tight {
  gap: var(--space-2);
}

.stack--loose {
  gap: var(--space-6);
}

.text-muted {
  color: var(--color-text-muted);
}

.text-sm {
  font-size: var(--text-sm);
}

.text-center {
  text-align: center;
}

.mono {
  font-family: var(--font-mono);
}