/* ============================================
   Site Header
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: box-shadow var(--transition);
}

.site-header.is-scrolled {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

/* Logo */
.site-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.2;
}

.site-logo__img {
  height: 48px;
  width: auto;
}

/* Global Navigation */
.global-nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.global-nav__list li a {
  display: block;
  padding: 8px 14px;
  font-size: var(--fs-sm);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.03em;
  transition: color var(--transition);
  white-space: nowrap;
}

.global-nav__list li a:hover {
  color: var(--color-brown);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Language Switcher */
.header-lang {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.header-lang:hover {
  color: var(--color-brown);
  border-color: var(--color-brown);
}

.mobile-nav__lang {
  display: block;
  text-align: center;
  padding: 12px;
  font-size: var(--fs-base);
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.mobile-nav__lang:hover {
  color: var(--color-brown);
  border-color: var(--color-brown);
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--color-text);
  font-size: var(--fs-base);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.header-phone:hover {
  color: var(--color-brown);
}

.header-phone__icon {
  flex-shrink: 0;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.hamburger__line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger.is-active .hamburger__line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.is-active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.is-active .hamburger__line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Navigation */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: right 0.4s ease;
  z-index: 999;
  overflow-y: auto;
}

.mobile-nav.is-open {
  right: 0;
}

.mobile-nav__inner {
  padding: 100px 32px 40px;
}

.mobile-nav__list {
  margin-bottom: 32px;
}

.mobile-nav__list li {
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__list li a {
  display: block;
  padding: 16px 0;
  font-size: var(--fs-base);
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.mobile-nav__list li a:hover {
  color: var(--color-brown);
}

.mobile-nav__contact {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-nav__phone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px;
  font-size: var(--fs-lg);
  font-weight: 500;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

/* Body scroll lock when menu is open */
body.is-menu-open {
  overflow: hidden;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .global-nav,
  .header-actions {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .header-inner {
    height: 64px;
  }

  .site-logo__img {
    height: 40px;
  }
}

@media (min-width: 1025px) {
  .mobile-nav {
    display: none;
  }
}