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

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  background: var(--colour-white);
  color: var(--colour-ink);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

a,
button,
summary {
  min-height: 44px;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--colour-navy);
  outline-offset: 4px;
}

h1,
h2,
p {
  margin-block-start: 0;
}

h1,
h2 {
  color: var(--colour-navy);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.02;
  text-wrap: balance;
}

h1 {
  max-width: 13ch;
  font-size: var(--step-3);
}

h2 {
  max-width: 16ch;
  font-size: var(--step-2);
}

.skip-link {
  position: fixed;
  z-index: 100;
  inset: var(--space-1) auto auto var(--space-1);
  padding: 0.7rem 1rem;
  background: var(--colour-navy);
  color: var(--colour-white);
  transform: translateY(-160%);
}

.skip-link:focus {
  outline-color: var(--colour-white);
  transform: translateY(0);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  min-height: 76px;
  padding: 0.75rem max(1rem, calc((100% - var(--content-width)) / 2));
  border-bottom: 1px solid rgb(8 24 45 / 12%);
  background: rgb(255 255 255 / 96%);
}

.brand,
.brand__wordmark,
.site-header nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 0.65rem;
  min-height: 48px;
  text-decoration: none;
}

.brand__mark {
  width: 40px;
  height: 40px;
}

.brand__wordmark {
  color: var(--colour-navy);
  font-size: var(--step-1);
  font-weight: 800;
  letter-spacing: -0.045em;
}

.brand__wordmark span:last-child {
  color: var(--colour-orange);
}

.site-header nav {
  gap: var(--space-2);
}

.site-header nav a {
  display: inline-flex;
  align-items: center;
  font-size: var(--step--1);
  font-weight: 700;
  text-decoration: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.65rem 1.25rem;
  border: 2px solid var(--colour-orange);
  border-radius: var(--radius-small);
  background: var(--colour-orange);
  color: var(--colour-navy);
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
}

.button--compact {
  min-height: 44px;
  padding-inline: 1rem;
}

.button--navy {
  border-color: var(--colour-navy);
  background: var(--colour-navy);
  color: var(--colour-white);
}

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

.eyebrow {
  margin-bottom: var(--space-1);
  color: var(--colour-navy);
  font-size: var(--step--1);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lede {
  max-width: 42rem;
  font-size: var(--step-1);
  line-height: 1.45;
}

.site-footer {
  padding-block: var(--space-3);
  background: var(--colour-navy);
  color: var(--colour-white);
}

.site-footer p {
  margin: 0;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }

  .button {
    transition: transform 160ms ease, box-shadow 160ms ease;
  }

  .button:hover {
    box-shadow: 0 0.4rem 0 var(--colour-navy);
    transform: translateY(-0.2rem);
  }
}