* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: #111;
  background: #fff;
}

a {
  color: #0645ad;
}

.container {
  width: min(100% - 2rem, 60rem);
  margin-inline: auto;
}

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  position: static;
  display: block;
  padding: 0.5rem;
  background: #fff;
  color: #000;
}

.site-header {
  padding: 0.75rem 0;
  border-bottom: 1px solid #ddd;
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.logo {
  font-weight: bold;
  font-size: 1.25rem;
  color: #111;
  text-decoration: none;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  color: #0645ad;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  text-decoration: underline;
}

main {
  padding: 2rem 0 3rem;
}

h1 {
  margin: 0 0 1rem;
  font-size: 2rem;
  line-height: 1.2;
}

h2 {
  margin: 2rem 0 1rem;
  font-size: 1.4rem;
}

.lead {
  font-size: 1.1rem;
  color: #333;
}

.hero-note {
  color: #555;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.link-grid a {
  display: block;
  height: 100%;
  padding: 1rem;
  border: 1px solid #ddd;
  border-radius: 0.5rem;
  color: inherit;
  text-decoration: none;
}

.link-grid a:hover,
.link-grid a:focus-visible {
  border-color: #0645ad;
}

.link-grid strong {
  display: block;
  margin-bottom: 0.25rem;
}

.link-grid span {
  color: #555;
  font-size: 0.9rem;
}

.machine ul {
  margin: 0;
  padding-left: 1.25rem;
}

.site-footer {
  padding: 1.5rem 0;
  border-top: 1px solid #ddd;
  color: #444;
}

.site-footer nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin: 0.5rem 0;
  padding: 0;
  list-style: none;
}

.small {
  font-size: 0.875rem;
  color: #666;
}

@media (max-width: 40rem) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0.4rem;
  }
}
/* Статьи блога */

.article-head {
  margin-bottom: 2rem;
}

.article-meta {
  color: #666;
  font-size: 0.9rem;
}

.article-head h1 {
  margin-bottom: 0.75rem;
}

.article-head .lead {
  font-size: 1.1rem;
  color: #333;
}

article section {
  margin-bottom: 2rem;
}

article h2 {
  margin-top: 0;
}

article ul {
  padding-left: 1.25rem;
}
/* Длинная статья на главной */

.article {
  padding: 2rem 0 4rem;
}

.article h2 {
  margin-top: 3rem;
}

.article h3 {
  margin-top: 2rem;
}

.article ul,
.article ol {
  padding-left: 1.5rem;
}

.article li {
  margin-bottom: 0.5rem;
}

.article blockquote,
.article p strong {
  color: inherit;
}

.contacts ul {
  padding-left: 1.25rem;
}

.article-signature {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid #ddd;
  color: #444;
}