.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.1rem 0;
  transition: background var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.navbar--scrolled {
  background: rgba(244, 246, 248, 0.96);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--color-line);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.navbar__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.navbar__logo-stack {
  position: relative;
  display: inline-flex;
  width: clamp(180px, 20vw, 248px);
}

.navbar__logo-image {
  width: 100%;
  height: auto;
  transition: opacity 220ms ease;
}

.navbar__logo-image--light,
.navbar__logo-image--dark {
  grid-area: 1 / 1;
}

.navbar__logo-stack {
  display: grid;
}

.navbar__logo-image--light {
  opacity: 1;
}

.navbar__logo-image--dark {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.navbar--scrolled .navbar__logo-image--light {
  opacity: 0;
}

.navbar--scrolled .navbar__logo-image--dark {
  opacity: 1;
}

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

.navbar__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.navbar__link:hover {
  color: var(--color-white);
}

.navbar--scrolled .navbar__link {
  color: var(--color-text-main);
}

.navbar--scrolled .navbar__link:hover {
  color: var(--color-navy);
}

.navbar__cta {
  flex-shrink: 0;
  padding: 0.9rem 1.2rem;
  font-size: var(--text-sm);
  background: var(--color-gold);
  color: var(--color-white);
  box-shadow: 0 14px 28px rgba(143, 112, 57, 0.24);
}

.navbar__cta:hover {
  background: var(--color-gold-light);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
  background: none;
  border: none;
}

.hamburger__bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: background var(--transition-normal), transform var(--transition-normal), opacity var(--transition-normal);
}

.navbar--scrolled .hamburger__bar {
  background: var(--color-navy);
}

.hamburger[aria-expanded="true"] .hamburger__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger[aria-expanded="true"] .hamburger__bar:nth-child(2) {
  opacity: 0;
}

.hamburger[aria-expanded="true"] .hamburger__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--gradient-brand);
  padding: 5rem var(--container-pad) var(--space-xl);
  transform: translateY(-100%);
  transition: transform var(--transition-slow);
  z-index: 999;
  visibility: hidden;
}

.mobile-menu.is-open {
  transform: translateY(0);
  visibility: visible;
}

.mobile-menu__brand {
  display: inline-flex;
  margin-bottom: 2rem;
}

.mobile-menu__brand-image {
  width: min(15rem, 72vw);
  height: auto;
}

.mobile-menu__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-menu__link {
  font-size: var(--text-lg);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.mobile-menu__link:hover {
  color: var(--color-white);
}

.mobile-menu__cta {
  margin-top: var(--space-lg);
  width: 100%;
  justify-content: center;
}