* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

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

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

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

h1,
h2,
h3,
h4 {
  margin: 0 0 0.65em;
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.03;
  letter-spacing: -0.025em;
}

h1 { font-size: var(--step-5); }
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }

p {
  margin: 0 0 1.3rem;
}

ul,
ol {
  padding-left: 1.25rem;
}

blockquote {
  margin: 0;
}

::selection {
  background: var(--color-primary);
  color: var(--color-white);
}

:focus-visible {
  outline: 3px solid var(--color-link);
  outline-offset: 4px;
}

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

.text-width {
  max-width: var(--text-width);
}

.section {
  padding-block: var(--section-spacing);
}

.section--soft {
  background: var(--color-background-soft);
}

.section--blue {
  background: var(--color-primary);
  color: var(--color-white);
}

.section--blue h2,
.section--blue h3,
.section--blue .eyebrow {
  color: var(--color-white);
}

.rule {
  height: 1px;
  border: 0;
  background: color-mix(in srgb, var(--color-border) 62%, transparent);
  margin: 0;
}

.skip-link {
  position: fixed;
  z-index: 9999;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-160%);
  transition: transform var(--transition-fast);
}

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

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

.reading-progress {
  position: fixed;
  z-index: 1100;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--color-link);
  transform-origin: left center;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  :root {
    --section-spacing: var(--section-spacing-tablet);
  }
}

@media (max-width: 640px) {
  :root {
    --section-spacing: var(--section-spacing-mobile);
  }

  body {
    line-height: 1.65;
  }
}

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

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}