:root {
  --ink: #17202a;
  --ink-soft: #4a5561;
  --accent: #14507a;
  --accent-hover: #0b3550;
  --rule: #dfe3e8;
  --panel: #f6f7f9;
  --page: #ffffff;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--page);
}

.wrap {
  width: 100%;
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

a {
  color: var(--accent);
  text-underline-offset: 2px;
}

a:hover,
a:focus {
  color: var(--accent-hover);
}

/* Header */

.site-header {
  border-top: 3px solid var(--accent);
  border-bottom: 1px solid var(--rule);
  padding: 1.15rem 0;
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.4rem 1.5rem;
}

.brand {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.site-nav a {
  margin-left: 1.15rem;
  font-size: 0.95rem;
  text-decoration: none;
}

.site-nav a:first-child {
  margin-left: 0;
}

.site-nav a:hover,
.site-nav a:focus {
  text-decoration: underline;
}

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

/* Typography */

main {
  padding: 2.75rem 0 3rem;
}

h1 {
  font-size: 1.9rem;
  line-height: 1.22;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

h2 {
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  margin: 2.5rem 0 0.85rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--rule);
}

h3 {
  font-size: 1.02rem;
  margin: 0 0 0.35rem;
}

p,
ul,
ol {
  margin: 0 0 1rem;
}

ul,
ol {
  padding-left: 1.2rem;
}

li {
  margin-bottom: 0.4rem;
}

.lede {
  font-size: 1.1rem;
  color: var(--ink);
}

.updated {
  color: var(--ink-soft);
  font-size: 0.92rem;
  margin-top: -0.5rem;
}

/* Services */

.services {
  display: grid;
  gap: 1rem;
}

.services article {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 1.1rem 1.2rem;
}

.services p:last-child {
  margin-bottom: 0;
}

/* Contact + notices */

address {
  font-style: normal;
}

.card {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 1.1rem 1.2rem;
}

.contact-details {
  margin: 0;
}

.contact-details dt {
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 0.9rem;
}

.contact-details dt:first-child {
  margin-top: 0;
}

.contact-details dd {
  margin: 0.1rem 0 0;
}

.notice {
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  background: var(--panel);
  padding: 1rem 1.15rem;
  margin: 1.25rem 0;
}

.notice p:last-child {
  margin-bottom: 0;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--rule);
  background: var(--panel);
  padding: 1.75rem 0 2.5rem;
  font-size: 0.93rem;
  color: var(--ink-soft);
}

.site-footer p {
  margin: 0 0 0.5rem;
}

.site-footer nav {
  margin: 0.85rem 0;
}

.site-footer nav a {
  margin-right: 1.1rem;
}

@media (min-width: 40rem) {
  body {
    font-size: 18px;
  }

  h1 {
    font-size: 2.2rem;
  }

  .services {
    grid-template-columns: 1fr 1fr;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8ebee;
    --ink-soft: #a3adb8;
    --accent: #6fb3e0;
    --accent-hover: #9ccdef;
    --rule: #2c3440;
    --panel: #1a2029;
    --page: #12161c;
  }

  .brand {
    color: var(--ink);
  }
}