:root {
  --navy: #001438;
  --blue: #0048c0;
  --blue-dark: #00379a;
  --blue-bright: #0068ec;
  --sky: #4d9bff;
  --tint: #f2f6fc;
  --line: #dce4f0;
  --ink: #001438;
  --muted: #4a5b78;
  --white: #ffffff;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --container: 72rem;
  --radius: 0.75rem;
  --radius-pill: 999px;
}

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

html {
  scroll-padding-top: 5.5rem;
}

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

body {
  margin: 0;
  font-family: var(--font);
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
}

h1,
h2,
h3 {
  margin: 0 0 0.75rem;
  font-weight: 800;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  margin: 0 0 1rem;
}

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

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

:focus-visible {
  outline: 3px solid var(--blue-bright);
  outline-offset: 2px;
}

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

.section {
  padding-block: 4rem;
}

.section--tint {
  background: var(--tint);
}

.section__head {
  max-width: 42rem;
  margin: 0 auto 2.5rem;
  text-align: center;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  border: 0;
  white-space: nowrap;
  clip-path: inset(50%);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.7rem 1.5rem;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
}

.btn-lg {
  min-height: 3.25rem;
  padding: 0.9rem 2rem;
  font-size: 1.0625rem;
}

.btn-primary,
.btn-primary:hover {
  color: var(--white);
}

.btn-primary {
  background: var(--blue);
}

.btn-primary:hover {
  background: var(--blue-dark);
}

.btn-light,
.btn-light:hover {
  color: var(--navy);
}

.btn-light {
  background: var(--white);
}

.btn-light:hover {
  background: var(--tint);
}

.btn-outline,
.btn-outline:hover {
  color: var(--blue);
}

.btn-outline {
  border-color: var(--blue);
}

.btn-outline:hover {
  color: var(--white);
  background: var(--blue);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.checklist li {
  position: relative;
  padding-left: 1.75rem;
}

.checklist li::before {
  content: "";
  position: absolute;
  top: 0.35em;
  left: 0.25rem;
  width: 0.45rem;
  height: 0.85rem;
  border: solid var(--blue-bright);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checklist li + li {
  margin-top: 0.5rem;
}

.checklist--inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  font-size: 0.9375rem;
}

.checklist--inline li + li {
  margin-top: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.site-header__bar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 4.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  line-height: 1;
  color: var(--navy);
  text-decoration: none;
}

.brand__mark {
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
}

.brand__word {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.brand__name {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand__sub {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.25rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--blue);
}

.brand__sub::before,
.brand__sub::after {
  content: "";
  width: 1rem;
  height: 2px;
  background: currentColor;
}

.brand__sub::after {
  margin-left: -0.35em;
}

.site-nav {
  margin-inline: auto;
}

.site-nav ul {
  display: flex;
  gap: 1.75rem;
}

.site-nav a {
  display: block;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--blue);
  border-color: var(--blue);
}

.nav-toggle {
  display: none;
  position: relative;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  height: 2px;
  border-radius: 1px;
  background: var(--navy);
}

.nav-toggle span {
  position: absolute;
  top: 50%;
  left: 0.7rem;
  right: 0.7rem;
  margin-top: -1px;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  transition: transform 0.2s;
}

.nav-toggle span::before {
  top: -7px;
}

.nav-toggle span::after {
  top: 7px;
}

.nav-toggle[aria-expanded="true"] span {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] span::before {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span::after {
  transform: translateY(-7px) rotate(-45deg);
}

.page-hero {
  padding-block: 3.5rem;
  color: var(--white);
  background:
    radial-gradient(40rem 20rem at 90% 0, rgb(0 104 236 / 0.5), transparent 70%),
    var(--navy);
}

.page-hero h1 {
  margin-bottom: 0.5rem;
}

.page-hero p {
  max-width: 38rem;
  margin: 0;
  font-size: 1.125rem;
  color: rgb(255 255 255 / 0.85);
}

.cta-band {
  padding-block: 4rem;
  color: var(--white);
  text-align: center;
  background: var(--navy);
}

.cta-band p {
  max-width: 34rem;
  margin-inline: auto;
  color: rgb(255 255 255 / 0.85);
}

.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem 1.5rem;
  margin-top: 1.5rem;
}

.cta-band a:not(.btn) {
  color: var(--white);
}

.site-footer {
  padding-top: 3rem;
  color: rgb(255 255 255 / 0.8);
  background: var(--navy);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 2rem;
}

.site-footer__title {
  margin-bottom: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.site-footer__mark {
  width: 1.65rem;
  height: 1.65rem;
  flex-shrink: 0;
}

.site-footer__grid p {
  margin-bottom: 0.5rem;
}

.site-footer a {
  color: rgb(255 255 255 / 0.8);
}

.site-footer a:hover {
  color: var(--white);
}

.site-footer li + li {
  margin-top: 0.5rem;
}

.site-footer__legal {
  margin: 2.5rem 0 0;
  padding-block: 1.25rem;
  border-top: 1px solid rgb(255 255 255 / 0.15);
  font-size: 0.875rem;
  text-align: center;
}

.hero :focus-visible,
.cta-band :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--sky);
}

@media (max-width: 860px) {
  .split {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 800px) {
  .site-header__call {
    margin-left: auto;
  }

  .site-header__number {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 0.5rem 1rem 1rem;
    background: var(--white);
    border-bottom: 1px solid var(--line);
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .site-nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
  }

  .section {
    padding-block: 3rem;
  }
}