/* ══════════════════════════════════════════
   Center-alfa — Language Selector
   ══════════════════════════════════════════ */

/* ── Header layout ── */
.site-header {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 760px;
  margin-bottom: 64px;
  animation: fadeIn 1s ease both;
}

/* logo-block loses its own margin when inside header */
.site-header .logo-block {
  margin-bottom: 0;
  animation: none;
}

/* ── Wrapper ── */
.lang-selector {
  position: relative;
}

/* ── Trigger button ── */
.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 8px 14px;
  min-height: 36px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.lang-btn::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.6;
  transition: transform 0.2s;
}

.lang-btn:hover,
.lang-btn[aria-expanded="true"] {
  border-color: var(--accent);
  color: var(--accent);
}

.lang-btn[aria-expanded="true"]::after {
  transform: rotate(180deg);
}

/* ── Dropdown list ── */
.lang-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 140px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 6px 0;
  list-style: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 100;
}

.lang-dropdown--open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* ── Options ── */
.lang-option {
  padding: 10px 18px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  letter-spacing: 0.02em;
}

.lang-option:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.lang-option--active {
  color: var(--accent);
  font-weight: 500;
}

.lang-option--active::before {
  content: '✓ ';
  font-size: 0.7rem;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .site-header {
    margin-bottom: 48px;
  }
}