.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;

  z-index: 9000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--transition-normal), box-shadow var(--transition-normal);

  transform: translateZ(0);
  -webkit-transform: translateZ(0);

  background: transparent;
}


body.menu-open .site-header {
  z-index: 250;
}


.site-header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 24px rgba(11, 45, 89, 0.10);
}


.site-header.header-solid {
  background: var(--color-primary);
}

.site-header.header-solid.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
}


.header-inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}


.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}


.site-logo__img {
  height: 44px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  transition: opacity var(--transition-fast);
  box-sizing: border-box;

  filter:
    drop-shadow(0 0 2px rgba(255, 255, 255, 0.9))
    drop-shadow(0 0 5px rgba(255, 255, 255, 0.65))
    drop-shadow(0 0 9px rgba(255, 255, 255, 0.45));
}

.site-logo:hover .site-logo__img {
  opacity: 0.85;
}


.site-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.site-logo__name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  transition: color var(--transition-normal);
}

.site-logo__tagline {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: var(--weight-medium);
}


.site-header.scrolled .site-logo__name,
.site-header.scrolled .site-logo__text span {
  color: var(--color-primary);
}


.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-desktop__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: rgba(255, 255, 255, 0.85);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}


.nav-desktop__link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: var(--space-4);
  right: var(--space-4);
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-normal);
}

.nav-desktop__link:hover,
.nav-desktop__link.active {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.10);
}

.nav-desktop__link.active::after,
.nav-desktop__link:hover::after {
  transform: scaleX(1);
}


.site-header.scrolled .nav-desktop__link {
  color: var(--color-text-light);
}
.site-header.scrolled .nav-desktop__link:hover,
.site-header.scrolled .nav-desktop__link.active {
  color: var(--color-primary);
  background: var(--color-bg-section);
}


.nav-desktop__cta {
  margin-left: var(--space-4);
  background: var(--color-accent);
  color: var(--color-white) !important;
  padding: 0.625rem 1.5rem !important;
  border-radius: var(--radius-md) !important;
  font-weight: var(--weight-semi) !important;
}
.nav-desktop__cta:hover {
  background: var(--color-accent-light) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(200, 168, 75, 0.35) !important;
}
.nav-desktop__cta::after { display: none !important; }


.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  background: none;
  border: none;
  padding: 0;
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
}

.nav-toggle__bar {
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  transition: transform var(--transition-normal), opacity var(--transition-normal), width var(--transition-normal);
  transform-origin: center;
}


.nav-toggle.open .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open .nav-toggle__bar:nth-child(2) {
  opacity: 0;
  width: 0;
}
.nav-toggle.open .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}


.site-header.scrolled .nav-toggle__bar {
  background: var(--color-primary);
}


.nav-overlay {

  display: block;
  position: fixed;
  inset: 0;
  background: rgba(11, 45, 89, 0.55);
  backdrop-filter: blur(3px);
  z-index: calc(var(--z-overlay) - 1);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.nav-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}


.nav-mobile {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(360px, 85vw);
  background: var(--color-white);
  z-index: var(--z-overlay);
  transform: translateX(100%);

  transition: transform 450ms cubic-bezier(0.32, 0.72, 0, 1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  box-shadow: -8px 0 40px rgba(11, 45, 89, 0.20);
}

.nav-mobile.open {
  transform: translateX(0);
}


.nav-mobile__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  background: var(--color-primary);
}

.nav-mobile__logo .site-logo__name {
  color: var(--color-white);
  font-size: var(--text-lg);
}


.nav-mobile__close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.15);
  color: var(--color-white);
  font-size: 1.5rem;
  line-height: 1;
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}
.nav-mobile__close:hover { background: rgba(255,255,255,0.25); }


.nav-mobile__body {
  flex: 1;
  padding: var(--space-6) 0;
  overflow-y: auto;
}

.nav-mobile__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  border-left: 3px solid transparent;
  transition: all var(--transition-fast);
}

.nav-mobile__link:hover {
  color: var(--color-primary);
  background: var(--color-bg-section);
  border-left-color: var(--color-accent);
}

.nav-mobile__link.active {
  color: var(--color-primary);
  background: rgba(11, 45, 89, 0.06);
  border-left-color: var(--color-primary);
  font-weight: var(--weight-semi);
}

.nav-mobile__link-arrow {
  opacity: 0.4;
  font-size: 0.8rem;
}


.nav-mobile__divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-4) var(--space-6);
}


.nav-mobile__footer {
  padding: var(--space-6);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

.nav-mobile__footer .btn {
  width: 100%;
  justify-content: center;
}


@media (max-width: 1024px) {
  .nav-desktop { display: none; }
  .nav-toggle  { display: flex; }

}

@media (max-width: 768px) {
  :root { --nav-height: 68px; }
  .site-logo__name { font-size: var(--text-lg); }
}




@media (max-width: 768px) {
  .nav-toggle {
    width: 44px;
    height: 44px;
    min-width: 44px;
  }

  .nav-mobile__link {
    min-height: 48px;
    padding: var(--space-3) var(--space-5);
  }

  .nav-mobile__close {
    width: 44px;
    height: 44px;
    font-size: 1.3rem;
  }


  .site-logo__img {
    height: 38px;
    max-width: 150px;
  }


  .header-inner {
    padding-inline: var(--space-4);
  }
}

@media (max-width: 380px) {
  .site-logo__img {
    height: 32px;
    max-width: 120px;
  }
  :root { --nav-height: 60px; }
}


.nav-toggle {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  cursor: pointer;
  position: relative;
  z-index: 9001;
}


.nav-desktop__link {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  cursor: pointer;
}