.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(13, 10, 7, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font);
  font-size: 1.2rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  text-decoration: none;
}

.header-logo span {
  color: var(--accent);
}

.header-logo-img {
  height: 36px;
  width: auto;
  display: block;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  transition: color var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(212, 162, 76, 0.08);
}

/* Language selector */
.lang-wrapper {
  position: relative;
  margin-left: 12px;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  border: 1px solid var(--border);
  transition: border-color var(--transition-fast), background var(--transition-fast);
  cursor: pointer;
  background: transparent;
}

.lang-toggle:hover {
  border-color: var(--accent);
  background: rgba(212, 162, 76, 0.08);
}

.lang-toggle-arrow {
  font-size: 0.55rem;
  transition: transform var(--transition-fast);
}

.lang-toggle-arrow.open {
  transform: rotate(180deg);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
  min-width: 90px;
  box-shadow: var(--shadow-card);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
  z-index: 10;
}

.lang-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: block;
  width: 100%;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: background var(--transition-fast), color var(--transition-fast);
  text-align: left;
  cursor: pointer;
  background: transparent;
  border: none;
}

.lang-option:hover,
.lang-option.active {
  background: rgba(212, 162, 76, 0.1);
  color: var(--accent);
}

/* Mobile menu */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  background: transparent;
  border: none;
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.burger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.burger.open span:nth-child(2) {
  opacity: 0;
}

.burger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(13, 10, 7, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 99;
  padding: 24px;
  flex-direction: column;
  gap: 8px;
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav .nav-link {
  font-size: 1rem;
  padding: 14px 16px;
}

.mobile-nav .lang-wrapper {
  margin-left: 0;
  margin-top: 16px;
}