/* Шапка: кнопка меню */

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-m) var(--space-l);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-l);
}

/* Кнопка-гамбургер для вызова меню */
.site-header__menu-btn {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-header__menu-btn:hover {
  background: var(--color-border);
}

.site-header__menu-icon {
  width: 22px;
  height: 2px;
  position: relative;
  background: currentColor;
  border-radius: 1px;
}

.site-header__menu-icon::before,
.site-header__menu-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
}

.site-header__menu-icon::before {
  top: -7px;
}

.site-header__menu-icon::after {
  top: 7px;
}

.site-header__title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  flex: 1;
  min-width: 0;
}

.site-header__title-link {
  color: var(--color-text);
  text-decoration: none;
}

.site-header__title-link:hover,
.site-header__title-link:visited,
.site-header__title-link:focus {
  color: var(--color-text);
  text-decoration: none;
}

@media (min-width: 769px) {
  .site-header__title {
    font-size: 1.5rem;
    color: #1a3a5c;
  }
}

@media (max-width: 640px) {
  .site-header__title {
    font-size: 1rem;
  }
}

.site-header__nav {
  display: flex;
  gap: var(--space-l);
}

.site-header__nav a {
  color: var(--color-text);
  font-weight: 500;
}

.site-header__nav a:hover {
  color: var(--color-accent);
}

.site-header__nav a[href="index.html"],
.site-header__nav a[href="/"] {
  /* текущая страница — опционально выделить */
}