.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 247, 251, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(231, 234, 243, 0.8);
}

.header-wrap {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.site-logo__img {
  width: auto;
  height: 30px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: lowercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--muted);
  transition: color var(--transition);
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--text);
}

.main-nav--mobile-panel {
  transition:
    opacity var(--transition),
    transform var(--transition);
}

/* Header mobile controls */

.header-bar {
  display: contents;
}

.header-toggle {
  display: none;
  position: relative;
  width: 52px;
  height: 52px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 0;
  background: #ffffff;
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
  transition:
    background var(--transition),
    border-color var(--transition),
    color var(--transition),
    box-shadow var(--transition),
    opacity var(--transition),
    transform var(--transition);
}

.header-toggle--menu span {
  position: absolute;
  left: 14px;
  right: 14px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}

.header-toggle--menu span:nth-child(1) {
  top: 17px;
}

.header-toggle--menu span:nth-child(2) {
  top: 24px;
}

.header-toggle--menu span:nth-child(3) {
  top: 31px;
}

.header-toggle--search {
  display: none;
  align-items: center;
  justify-content: center;
}

.header-toggle__search-circle {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid currentColor;
  border-radius: 999px;
  top: 13px;
  left: 14px;
}

.header-toggle__search-handle {
  position: absolute;
  width: 11px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
  transform: rotate(45deg);
  top: 29px;
  left: 28px;
}

.header-toggle__search-close {
  position: absolute;
  width: 14px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
  opacity: 0;
  transform: rotate(-45deg) scaleX(0.6);
}

.header-overlay {
  display: none;
}

/* Header search */

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

.header-search {
  position: relative;
  flex: 1 1 420px;
  max-width: 460px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 8px;
}

.header-search__box {
  position: relative;
  flex: 1 1 auto;
}

.header-search__input {
  width: 100%;
  min-height: 46px;
  border: 1px solid rgba(217, 31, 50, 0.16);
  background: rgba(255, 255, 255, 0.96);
  color: var(--text);
  border-radius: 999px;
  padding: 0 44px 0 18px;
  outline: none;
  box-shadow: inset 0 1px 2px rgba(16, 18, 24, 0.02);
  transition:
    border-color var(--transition),
    box-shadow var(--transition),
    background var(--transition);
}

.header-search__input::placeholder {
  color: #98a2b3;
}

.header-search__input:focus {
  border-color: rgba(217, 31, 50, 0.34);
  box-shadow:
    0 0 0 4px rgba(217, 31, 50, 0.08),
    0 8px 18px rgba(16, 18, 24, 0.04);
}

.header-search__button {
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition:
    transform var(--transition),
    border-color var(--transition),
    background var(--transition),
    box-shadow var(--transition);
}

.header-search__button:hover {
  transform: translateY(-1px);
  border-color: var(--border-strong);
  box-shadow: 0 8px 18px rgba(16, 18, 24, 0.06);
}

.header-search__results {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  right: 0;
  z-index: 60;
  padding: 8px;
  border: 1px solid rgba(231, 234, 243, 0.95);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow:
    0 20px 44px rgba(16, 18, 24, 0.14),
    0 4px 14px rgba(16, 18, 24, 0.06);
  backdrop-filter: blur(10px);
  max-height: min(70vh, 520px);
  overflow-y: auto;
}

.header-search__results[hidden] {
  display: none;
}

.header-search__list {
  display: grid;
  gap: 6px;
}

.header-search__item {
  display: grid;
  gap: 7px;
  padding: 14px 14px 13px;
  border-radius: 16px;
  transition:
    background var(--transition),
    transform var(--transition);
}

.header-search__item:hover,
.header-search__item.is-active {
  background: var(--surface-soft);
  transform: translateY(-1px);
}

.header-search__title {
  color: var(--text);
  font-weight: 800;
  line-height: 1.25;
  font-size: 0.98rem;
}

.header-search__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.header-search__tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 9px;
  border-radius: 999px;
  background: #eef2f7;
  color: var(--muted-strong);
  font-size: 0.77rem;
  font-weight: 700;
  line-height: 1;
}

.header-search__empty {
  padding: 14px;
  border-radius: 16px;
  color: var(--muted);
  background: var(--surface-soft);
  font-size: 0.92rem;
  text-align: left;
}