/* Společné styly – tokeny odvozené z brand auditu cgs.gov.cz (2026-08) */
:root {
  --cgs-blue-dark: #003975;
  --cgs-blue: #0779bf;
  --cgs-ink: #2b2b2b;
  --cgs-gray: #6c757d;
  --cgs-light: #f5f7fa;
  --cgs-white: #ffffff;
  --focus-ring: 3px solid var(--cgs-blue);
  --radius: 8px;
  --font: "Roboto", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font);
  line-height: 1.5;
  color: var(--cgs-ink);
  background: var(--cgs-white);
}

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

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  clip: rect(0 0 0 0);
  overflow: hidden;
  white-space: nowrap;
}

a { color: var(--cgs-blue-dark); }
a:focus-visible { outline: var(--focus-ring); outline-offset: 3px; border-radius: 4px; }

.site-header { padding: 1.25rem clamp(1rem, 4vw, 3rem); }
.brand-group { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.brand { display: inline-block; line-height: 0; }
.brand-logo { display: block; width: 202px; height: 64px; }

@media (max-width: 520px) {
  .brand-group { flex-wrap: nowrap; gap: 0.75rem; }
  .brand-logo { width: min(202px, calc((100vw - 2.75rem) / 2)); height: auto; }
}

.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 clamp(1rem, 4vw, 3rem) 2rem;
  width: 100%;
}

.code {
  margin: 0;
  font-weight: 700;
  line-height: 1;
  color: var(--cgs-blue-dark);
}

.languages {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem 3rem;
  width: 100%;
  max-width: 62rem;
}
@media (min-width: 768px) {
  .languages { grid-template-columns: 1fr 1fr; }
}

.title { margin: 0 0 0.25rem; font-size: 1.4rem; color: var(--cgs-blue-dark); }
.message { margin: 0 0 1rem; color: var(--cgs-gray); }

.links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.link-card {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-height: 44px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--cgs-blue-dark);
  border-radius: var(--radius);
  text-decoration: none;
  background: var(--cgs-white);
  transition: background-color 0.15s ease, color 0.15s ease;
}
.link-card strong { font-size: 1.05rem; }
.link-card span { font-size: 0.9rem; color: var(--cgs-gray); }
.link-card:hover, .link-card:active {
  background: var(--cgs-blue-dark);
  color: var(--cgs-white);
}
.link-card:hover span, .link-card:active span { color: var(--cgs-light); }
.link-card:focus-visible { outline: var(--focus-ring); outline-offset: 3px; }

.site-footer {
  padding: 1rem clamp(1rem, 4vw, 3rem);
  font-size: 0.85rem;
  color: var(--cgs-gray);
  text-align: center;
}
.site-footer p { margin: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* Varianta A – Institucionální rozcestník: klidný úřední layout, modrý pruh, obsah v kartě */
.variant-institutional .site-header {
  background: var(--cgs-white);
  border-bottom: 4px solid var(--cgs-blue-dark);
}

.variant-institutional .content {
  background: var(--cgs-light);
  padding-top: 2.5rem;
  justify-content: flex-start;
}

.variant-institutional .code {
  font-size: clamp(4rem, 12vw, 7rem);
  margin-bottom: 0.5rem;
}

.variant-institutional .languages {
  background: var(--cgs-white);
  border: 1px solid #d9dee5;
  border-top: 4px solid var(--cgs-blue);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 3vw, 2.5rem);
}

.variant-institutional .site-footer { background: var(--cgs-light); }