.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-navy-05);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-nav.hidden {
  transform: translateY(-100%);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-xs);
  z-index: 1001;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
}

.nav-logo-wordmark {
  height: 98px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: var(--sp-md);
}

.nav-links a {
  font-size: 0.8125rem;
  font-weight: var(--fw-medium);
  color: var(--c-navy);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--c-lilac);
  transition: width var(--transition);
}

.nav-links a:hover {
  color: var(--c-lilac);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Hamburger — hidden on desktop, visible on mobile (responsive.css handles display toggle) */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1001;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-navy);
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

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

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

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

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-lg);
}

.mobile-menu-links a {
  font-family: var(--ff-heading);
  font-size: var(--fs-h3);
  font-weight: var(--fw-heading);
  color: var(--c-navy);
  transition: color var(--transition);
}

.mobile-menu-links a:hover {
  color: var(--c-lilac);
}