/* Header */
.site-header {
  position: sticky;
  z-index: var(--z-header);
  top: var(--space-0);
  min-height: var(--height-header);
  background: var(--color-graphite-96);
  color: var(--color-text-inverse);
  border-bottom: var(--border-width) solid var(--color-white-06);
  backdrop-filter: blur(var(--blur-header));
}

.admin-bar .site-header {
  top: var(--admin-bar-height);
}

.site-header__inner {
  min-height: var(--height-header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.primary-navigation {
  margin-left: auto;
}

.site-header__actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.site-branding,
.site-footer__brand {
  flex: 0 0 auto;
}

.custom-logo-link {
  display: inline-flex;
  align-items: center;
}

.custom-logo,
.site-logo-fallback img {
  width: auto;
  max-width: var(--width-logo);
  max-height: var(--height-logo);
}

.site-logo-fallback {
  display: inline-flex;
}

.site-title {
  color: var(--color-text-inverse);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-extra-bold);
  letter-spacing: var(--letter-spacing-wider);
  text-decoration: none;
  text-transform: uppercase;
}

/* Language selector */
.language-switch {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: 0.2rem;
  border: var(--border-width) solid rgb(227 167 111 / 25%);
  border-radius: var(--radius-round);
  background: var(--color-white-06);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 5%);
}

.language-option {
  display: grid;
  width: 1.75rem;
  height: 1.75rem;
  place-items: center;
  padding: 0.18rem;
  border-radius: 50%;
  color: var(--color-text-inverse);
  opacity: 0.52;
  filter: saturate(0.7);
  text-decoration: none;
  transition:
    opacity var(--transition-fast),
    filter var(--transition-fast),
    background var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.language-option:hover {
  color: var(--color-text-inverse);
  opacity: 0.88;
  filter: saturate(1);
  background: rgb(255 255 255 / 8%);
  transform: translateY(-1px);
}

.language-option.active {
  opacity: 1;
  filter: saturate(1);
  background: rgb(255 255 255 / 13%);
  box-shadow: 0 0 0 1px rgb(227 167 111 / 28%);
}

.language-flag {
  display: grid;
  width: 1.35rem;
  height: 1.35rem;
  overflow: hidden;
  place-items: center;
  border-radius: 50%;
  background-color: var(--color-bronze);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  color: var(--color-text-inverse);
  font-size: 0.48rem;
  font-weight: var(--font-weight-bold);
  line-height: 1;
  box-shadow: 0 1px 4px rgb(0 0 0 / 25%);
}

/* Navigation */
.primary-menu,
.footer-menu {
  list-style: none;
  padding: var(--space-0);
  margin: var(--space-0);
}

.primary-menu {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-md), 2vw, var(--space-xl));
}

.primary-menu li {
  position: relative;
}

.primary-menu a,
.menu-setup-link {
  position: relative;
  display: block;
  color: var(--color-text-inverse);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
}

.primary-menu > li > a::after {
  content: "";
  position: absolute;
  right: var(--space-0);
  bottom: calc(var(--space-xs) * -1);
  left: var(--space-0);
  height: var(--border-width-accent);
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

.primary-menu > li > a:hover::after,
.primary-menu > .current-menu-item > a::after,
.primary-menu > .current_page_item > a::after {
  transform: scaleX(1);
  transform-origin: left;
}

.primary-menu .sub-menu {
  position: absolute;
  min-width: var(--width-submenu);
  list-style: none;
  padding: var(--space-md);
  margin: var(--space-0);
  opacity: 0;
  visibility: hidden;
  transform: translateY(var(--space-xs));
  background: var(--color-surface-dark-raised);
  box-shadow: var(--shadow-md);
  transition:
    opacity var(--transition-normal),
    transform var(--transition-normal),
    visibility var(--transition-normal);
}

.primary-menu li:hover > .sub-menu,
.primary-menu li:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.primary-menu .sub-menu a {
  padding: var(--space-xs) var(--space-sm);
}

/* Mobile menu control */
.menu-toggle {
  display: none;
  width: calc(var(--space-xl) + var(--space-sm));
  height: calc(var(--space-xl) + var(--space-sm));
  padding: var(--space-sm);
  border: var(--space-0);
  background: var(--color-transparent);
  color: var(--color-text-inverse);
}

/*
 * Namespaced aliases keep the shared header independent from the legacy
 * theme's older, global .menu-toggle rules.
 */
.synapser-nav-toggle {
  display: none;
}

.menu-toggle__line {
  display: block;
  width: 100%;
  height: var(--border-width-accent);
  margin: var(--space-2xs) var(--space-0);
  background: currentColor;
  transform-origin: center;
  transition:
    transform var(--transition-normal),
    opacity var(--transition-fast);
}

.synapser-nav-toggle__line {
  background: currentColor;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(1) {
  transform: translateY(var(--space-xs)) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(3) {
  transform: translateY(calc(var(--space-xs) * -1)) rotate(-45deg);
}

.drawer-backdrop {
  position: fixed;
  z-index: calc(var(--z-header) - 1);
  inset: 0;
  border: 0;
  background: rgb(18 15 20 / 34%);
  opacity: 0;
  visibility: hidden;
  cursor: pointer;
  transition:
    opacity var(--transition-normal),
    visibility var(--transition-normal);
}

body.menu-open .drawer-backdrop {
  opacity: 1;
  visibility: visible;
}

/* Content cards */
.entry-card {
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}

.entry-thumbnail {
  display: block;
  overflow: hidden;
  margin-bottom: var(--space-lg);
  border-radius: var(--radius-md);
}

.entry-thumbnail img {
  width: 100%;
  transition: transform var(--transition-slow);
}

.entry-thumbnail:hover img {
  transform: scale(1.025);
}

.entry-title a {
  color: inherit;
  text-decoration: none;
}

.entry-meta,
.eyebrow {
  color: var(--color-copper);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-extra-bold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}

/* Footer menus */
.footer-menu li + li {
  margin-top: var(--space-xs);
}

.footer-menu a {
  color: var(--color-text-inverse-muted);
  font-size: var(--font-size-xs);
  text-decoration: none;
}

.footer-menu a:hover {
  color: var(--color-accent);
}

.site-footer__meta p {
  margin: 0;
}

.site-footer__meta a {
  color: inherit;
  text-decoration: none;
}

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

/* Forms and buttons */
.search-form {
  display: flex;
  max-width: var(--width-search);
  gap: var(--space-sm);
}

.search-form label {
  flex: 1;
}

.search-field,
input:not([type="submit"]),
textarea,
select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
}

.search-submit,
input[type="submit"],
.wp-block-button__link {
  padding: var(--space-sm) var(--space-lg);
  border: var(--border-width) solid var(--color-link);
  border-radius: var(--radius-sm);
  background: var(--color-link);
  color: var(--color-white);
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.search-submit:hover,
input[type="submit"]:hover,
.wp-block-button__link:hover {
  border-color: var(--color-link-hover);
  background: var(--color-link-hover);
  color: var(--color-white);
  transform: translateY(calc(var(--border-width-accent) * -1));
}

/* Utility sections */
.archive-header,
.error-404,
.no-results {
  padding-block: var(--space-2xl);
}

.comment-list {
  padding-left: var(--space-xl);
}