/* Базовые стили “сброса” */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* UA/Chromium: outline: -webkit-focus-ring-color auto 1px на :focus-visible */
:focus-visible {
  outline: none;
}

html,
body {
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  color: #1a1a1a;
}

.site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1;
  padding: 24px;
}

.site-header {
  border-bottom: 1px solid #e5e9f4;
  background: #fff;
}

.site-header__inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-header__brand {
  color: #0f1b40;
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 700;
}

.site-header__menu,
.site-header__nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.site-header__nav a {
  color: #2b3e66;
  text-decoration: none;
  font-weight: 600;
}

.site-header__nav a:hover,
.site-header__nav a:focus {
  color: #1f57da;
}

@media (max-width: 680px) {
  .site-header__inner {
    padding: 12px 16px;
    flex-direction: column;
    align-items: flex-start;
  }
}