.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: #ffffff;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  max-width: var(--logo-max-w);
  line-height: 0;
}

.logo img {
  height: var(--logo-h);
  width: auto;
  max-width: var(--logo-max-w);
  object-fit: contain;
  object-position: left center;
}

[dir="rtl"] .logo img {
  object-position: right center;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-desktop a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: color var(--transition);
  position: relative;
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--gold);
}

.nav-desktop a.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  z-index: 1002;
}

.lang-toggle {
  display: flex;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius);
  overflow: hidden;
}

.lang-btn {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  background: transparent;
  color: var(--gray-700);
  cursor: pointer;
  transition: all var(--transition);
}

.lang-btn.active {
  background: var(--gold);
  color: var(--white);
}

.header-phone {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold);
  display: none;
}

@media (min-width: 900px) {
  .header-phone { display: block; }
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  cursor: pointer;
  padding: 8px;
  position: relative;
  z-index: 1002;
  border: none;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--black);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-mobile {
  display: block;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--white);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  transform: translateY(-110%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  z-index: 1001;
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
}

.nav-mobile.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav-mobile a {
  display: block;
  padding: 0.85rem 0;
  font-weight: 500;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-700);
}

.nav-mobile a.active {
  color: var(--gold);
}

body.menu-open {
  overflow: hidden;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-footer {
  background: var(--black);
  color: var(--gray-300);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}

.footer-brand img {
  height: var(--logo-footer-h);
  width: auto;
  max-width: var(--logo-footer-max-w);
  object-fit: contain;
  margin-bottom: 1rem;
  background: var(--white);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
}

.footer-brand p {
  color: var(--gray-500);
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

.footer-col a,
.footer-col p {
  display: block;
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: 0.6rem;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--gold);
}

.footer-bottom {
  border-top: 1px solid var(--charcoal);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--gray-500);
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.grid-6 { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1.25rem; }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-desktop,
  .header-phone { display: none !important; }
  .menu-toggle { display: flex; }
  .grid-2,
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4,
  .grid-6 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 3.5rem 0; }
}