:root {
  --color-primary: #b4232d;
  --color-primary-contrast: #ffffff;
  --color-bg: #f4f1ec;
  --color-surface: #ffffff;
  --color-text: #252525;
  --color-muted: #6c6862;
  --font-heading: Georgia, 'Times New Roman', serif;
  --font-body: Arial, Helvetica, sans-serif;
  --radius: 0.45rem;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
}

a {
  color: var(--color-primary);
  text-decoration-line: underline;
  text-decoration-thickness: 0.1em;
  text-underline-offset: 0.16em;
  transition: color 160ms ease, background-color 160ms ease;
}

a:hover,
a:focus-visible {
  color: var(--color-text);
  background-color: color-mix(in srgb, var(--color-primary) 12%, transparent);
}

img {
  max-width: 100%;
  height: auto;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  color: var(--color-text);
}

.site-shell {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  background: var(--color-surface);
  border-bottom: 4px solid var(--color-primary);
}

.logo-link {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius);
}

.logo-link:hover,
.logo-link:focus-visible {
  background: transparent;
}

.logo {
  display: block;
  width: min(180px, 42vw);
}

.banner-slot {
  min-height: 76px;
}

.legacy-menu,
.legacy-submenu {
  min-height: 17px;
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(175px, 0.28fr) minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 3rem);
  padding-block: clamp(1.25rem, 3vw, 3rem);
}

.sidebar,
.content-card,
.news-card,
.support-card {
  background: var(--color-surface);
  border: 1px solid color-mix(in srgb, var(--color-text) 15%, transparent);
  border-radius: var(--radius);
}

.sidebar {
  padding: 1rem;
  text-align: center;
}

.sidebar p {
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.sidebar a img {
  display: inline-block;
  margin: 0.55rem auto;
}

.content-card {
  padding: clamp(1rem, 3vw, 2.25rem);
}

.page-title {
  margin-top: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.1;
}

.red {
  color: var(--color-primary);
}

.summary {
  padding: 1rem;
  background: var(--color-bg);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius);
}

.summary h3,
.news-card h3 {
  margin-top: 0;
}

.section-rule {
  border: 0;
  border-top: 1px solid color-mix(in srgb, var(--color-text) 20%, transparent);
  margin-block: 1.5rem;
}

.center-content {
  text-align: center;
}

.support-card {
  margin-block: 1.5rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  text-align: center;
}

.support-card h2 {
  margin-top: 0;
  font-size: clamp(1.35rem, 3vw, 2rem);
}

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

.news-card {
  padding: 1rem;
  line-height: 1.55;
}

.arrow {
  width: auto;
  vertical-align: middle;
}

.copyright {
  color: var(--color-muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

@media (max-width: 780px) {

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

  .sidebar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: center;
    gap: 0.75rem;
  }

  .sidebar p:first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .site-shell {
    width: min(100% - 1rem, 1180px);
  }

  .sidebar {
    display: block;
  }

  .content-card {
    padding: 1rem;
  }
}