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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--color-ink);
  background: var(--color-night);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.45;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid #58b2ff;
  outline-offset: 4px;
}

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.03;
  letter-spacing: var(--tracking-tight);
}

h2 {
  margin-bottom: var(--space-sm);
  font-size: clamp(2.1rem, 3.4vw, 3.2rem);
  font-weight: var(--weight-bold);
}

h3 {
  font-weight: var(--weight-bold);
}

p:last-child {
  margin-bottom: 0;
}

.container {
  width: min(100% - (var(--gutter) * 2), var(--container-wide));
  margin-inline: auto;
}

.section-dark {
  color: var(--color-white);
  background: var(--color-night);
}

.section-light {
  color: var(--color-ink);
  background: var(--color-paper);
}

.gradient-text {
  color: transparent;
  background: var(--gradient-brand);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  color: var(--color-night);
  background: var(--color-white);
  border-radius: var(--radius-sm);
  transform: translateY(-150%);
  transition: transform var(--transition);
}

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

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}