/* === Topbar === */
.topbar {
  position: relative;
  z-index: var(--z-sticky);
  height: var(--topbar-height);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--divider);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.topbar__contact {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.topbar__contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.75rem;
  color: var(--text-light);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.topbar__contact-item i {
  font-size: 0.8rem;
  color: var(--primary);
}

.topbar__contact-item:hover {
  color: var(--accent);
}

.topbar__social {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.topbar__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 0.85rem;
  color: var(--text-light);
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.topbar__social-link:hover {
  color: var(--primary);
  background: rgba(213, 162, 44, 0.1);
}

/* === Header === */
.header {
  position: fixed;
  top: var(--topbar-height);
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--header-height);
  transition: all var(--transition-base);
}

.header--scrolled {
  top: 0;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: var(--fw-700);
  color: var(--accent);
  letter-spacing: 0.04em;
}

.header__logo img {
  display: block;
  height: 72px;
  width: auto;
}

.header__logo span {
  color: var(--primary);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.header__nav-link {
  position: relative;
  font-size: 0.8rem;
  font-weight: var(--fw-500);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
  transition: color var(--transition-fast);
  padding: 4px 0;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--primary);
  transition: width var(--transition-base);
}

.header__nav-link:hover,
.header__nav-link--active {
  color: var(--accent);
}

.header__nav-link:hover::after,
.header__nav-link--active::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.header__cta {
  padding: 10px 24px;
  font-size: 0.75rem;
  background: var(--primary);
  color: var(--bg-primary);
  border-radius: var(--radius-pill);
  font-weight: var(--fw-600);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: all var(--transition-base);
}

.header__cta:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}

.header__hamburger {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  flex-shrink: 0;
}

.header__hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--accent);
  transition: all var(--transition-base);
}

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

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

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

/* === Mobile Nav === */
.mobile-nav {
  display: none;
  position: fixed;
  top: calc(var(--topbar-height) + var(--header-height));
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: var(--z-overlay);
  padding: var(--space-2xl) var(--space-lg);
  flex-direction: column;
  gap: var(--space-lg);
  transition: top var(--transition-base);
}

.header--scrolled + .mobile-nav,
.header--scrolled ~ .mobile-nav {
  top: var(--header-height);
}

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

.mobile-nav__link {
  font-size: 1.125rem;
  font-weight: var(--fw-500);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-light);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--divider);
  transition: color var(--transition-fast);
}

.mobile-nav__link:hover {
  color: var(--primary);
}

.mobile-nav__cta {
  margin-top: var(--space-md);
  padding: 14px 32px;
  text-align: center;
  background: var(--primary);
  color: var(--bg-primary);
  border-radius: var(--radius-pill);
  font-weight: var(--fw-600);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}