:root {
  --color-bg: #f6f8fb;
  --color-surface: #ffffff;
  --color-text: #111111;
  --color-muted: #333333;
  --color-border: #d0d7e2;
  --color-link: #005a9c;
  --color-link-hover: #003d6b;
  --color-focus: #b00020;
  --container-max: 72ch;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
}

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

.skip-link {
  position: fixed;
  left: 0.5rem;
  top: 0.5rem;
  transform: translateY(-200%);
  transition: transform 0.2s ease;
  z-index: 1000;
  padding: 0.625rem 0.875rem;
  background: #000000;
  color: #ffffff;
  text-decoration: none;
  border-radius: 0.25rem;
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.nav-list a {
  display: inline-block;
  padding: 0.25rem 0;
}

.nav-list a[aria-current="page"] {
  color: var(--color-text);
  text-decoration-thickness: 0.12em;
}

.site-title {
  margin: 0;
  padding: 1rem 0;
  font-family: "Cabin", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 700;
  font-size: clamp(1.125rem, 2.2vw, 1.375rem);
  line-height: 1.3;
}

.site-main {
  padding: 2rem 0 3.5rem;
}

.content-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: clamp(1rem, 3vw, 2rem);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

h1,
h2 {
  line-height: 1.25;
  letter-spacing: 0.01em;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.6rem, 4vw, 2rem);
}

h2 {
  margin: 2rem 0 0.75rem;
  font-size: clamp(1.15rem, 3vw, 1.35rem);
}

p {
  margin: 0 0 1rem;
  color: var(--color-text);
}

ul {
  margin: 0 0 1rem;
}

.last-updated {
  color: var(--color-muted);
}

a {
  color: var(--color-link);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.12em;
}

a:hover {
  color: var(--color-link-hover);
}

a:focus,
a:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 2px;
}

@media (max-width: 30rem) {
  .site-nav {
    align-items: flex-start;
  }

  .nav-list {
    width: 100%;
    gap: 0.75rem;
  }

  .site-main {
    padding-top: 1.5rem;
  }
}

@media print {
  body {
    color: #000000;
    background: #ffffff;
    font-size: 12pt;
  }

  .site-header {
    border-color: #000000;
  }

  a {
    color: #000000;
    text-decoration: underline;
  }
}