:root {
  --navy: #1B3A6B;
  --steel: #5E7CA5;
  --near-white: #F7F8FA;
  --body: #1F2937;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--body);
  line-height: 1.6;
  background: #fff;
}

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

h1, h2, h3 {
  color: var(--navy);
  line-height: 1.2;
}

h1 {
  font-size: 2.25rem;
  margin: 0 0 1rem;
}

h2 {
  font-size: 1.35rem;
}

p {
  margin: 0 0 1rem;
}

.wrap {
  max-width: 62rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header and nav */
.site-header {
  border-bottom: 1px solid #e5e7eb;
  background: #fff;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.logo-link {
  display: inline-flex;
  align-items: center;
}

.logo-link img {
  height: 56px;
  width: auto;
  display: block;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--navy);
  border-radius: 4px;
  color: var(--navy);
  font: inherit;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--navy);
  text-decoration: none;
  font-weight: 500;
}

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

/* Sections */
main {
  padding: 3.5rem 0 4rem;
}

.hero {
  max-width: 44rem;
}

.subhead {
  font-size: 1.15rem;
  color: var(--body);
}

.tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 3rem 0;
}

.tile {
  background: var(--near-white);
  border-radius: 8px;
  padding: 1.5rem;
}

.tile h2 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.tile p {
  margin: 0;
}

.proof {
  color: var(--body);
  max-width: 44rem;
}

.button {
  display: inline-block;
  background: var(--navy);
  color: #fff;
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  margin-top: 0.5rem;
}

.button:hover {
  background: var(--steel);
}

.section {
  max-width: 44rem;
  margin-bottom: 2.5rem;
}

.section h2 {
  margin-bottom: 0.5rem;
}

.focus {
  background: var(--near-white);
  border-radius: 8px;
  padding: 1.5rem;
  max-width: 44rem;
}

.focus p {
  margin: 0;
}

.columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.column {
  background: var(--near-white);
  border-radius: 8px;
  padding: 1.5rem;
}

.column h2 {
  margin-top: 0;
}

.column ul {
  margin: 0;
  padding-left: 1.2rem;
}

.column li {
  margin-bottom: 0.4rem;
}

.closing {
  font-size: 1.1rem;
  max-width: 44rem;
}

.contact-actions {
  margin-top: 2rem;
}

.contact-actions p {
  margin-bottom: 1.25rem;
}

/* Footer */
.site-footer {
  background: var(--navy);
  color: #fff;
  padding: 1.5rem 0;
  margin-top: 2rem;
}

.site-footer p {
  margin: 0;
}

/* Mobile */
@media (max-width: 700px) {
  h1 {
    font-size: 1.75rem;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    width: 100%;
  }

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

  .site-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0;
  }

  .site-nav li {
    border-top: 1px solid #e5e7eb;
  }

  .site-nav a {
    display: block;
    padding: 0.75rem 0;
  }

  .tiles,
  .columns {
    grid-template-columns: 1fr;
  }
}