:root {
  color-scheme: light;
  --ink: #1a222c;
  --text: #485c6e;
  --link: #195788;
  --surface: #edf2f6;
  --rule: #d9e1e8;
}

.skip-link {
  position: absolute;
  left: 20px;
  top: -100px;
  z-index: 2;
  padding: 8px 16px;
  background: white;
}
.skip-link:focus { top: 12px; }

.site-header, .site-header * { box-sizing: border-box; }
.site-header {
  background: var(--ink);
  color: #fff;
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}
.header-inner {
  width: min(1180px, calc(100% - 64px));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 22px;
}
.site-header a { color: #fff; text-underline-offset: 4px; }
.site-header .site-name { font-size: 22px; font-weight: 700; text-decoration: none; }
.site-header nav { display: flex; gap: 26px; flex-wrap: wrap; }
.site-header nav a { text-decoration: none; }
.site-header nav a:hover, .site-header nav a[aria-current] { text-decoration: underline; }
.site-header a:focus-visible, .skip-link:focus-visible { outline: 3px solid #ad5318; outline-offset: 5px; }

@media (max-width: 600px) {
  .header-inner { width: calc(100% - 36px); align-items: flex-start; flex-direction: column; gap: 12px; padding-block: 18px; }
  .site-header nav { gap: 22px; }
}