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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-gray-900);
  background: #fbfcfd;
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

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

img {
  height: auto;
}

a {
  color: var(--color-blue-800);
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--color-blue-700);
}

h1,
h2,
h3,
h4 {
  margin-block: 0 0.65em;
  color: var(--color-navy);
  font-family: var(--font-heading);
  line-height: 1.15;
  text-wrap: balance;
}

h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }

p,
ul,
ol {
  margin-block: 0 1em;
}

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

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

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
  box-shadow: 0 0 0 6px var(--color-white);
}

::selection {
  color: var(--color-white);
  background: var(--color-blue-800);
}

.skip-link {
  position: fixed;
  inset: var(--space-3) auto auto var(--space-3);
  z-index: 1000;
  padding: var(--space-3) var(--space-4);
  color: var(--color-white);
  background: var(--color-gray-900);
  border-radius: var(--radius-sm);
  transform: translateY(-160%);
}

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

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

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

.section {
  padding-block: clamp(4.5rem, 8vw, 7.5rem);
}

.section--muted {
  background: var(--color-blue-light);
}

.section--technical {
  color: var(--color-white);
  background: var(--color-navy);
}

.section--technical h2,
.section--technical h3,
.section--technical a {
  color: var(--color-white);
}

.eyebrow {
  margin-bottom: var(--space-3);
  color: var(--color-orange-600);
  font-family: var(--font-heading);
  font-size: var(--step--1);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lead {
  max-width: 42rem;
  color: var(--color-gray-600);
  font-size: var(--step-1);
}

.section-heading:not(.section-heading--split),
.section-heading--center {
  max-width: 52rem;
  margin-inline: auto;
  text-align: center;
}

.section-heading:not(.section-heading--split) > p:last-child,
.section-heading--center > p:last-child {
  margin-inline: auto;
}

.status-note {
  padding: var(--space-4);
  border-left: 4px solid var(--color-orange-500);
  background: #fff8e8;
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .button:hover { transform: none; }
}
