.skip-link {
  position: absolute;
  top: -4rem;
  left: 1rem;
  background: var(--blue-2);
  color: white;
  padding: .75rem 1rem;
  border-radius: 999px;
  z-index: 999;
}

.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.84);
  border-bottom: 1px solid rgba(16, 22, 47, .08);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand img {
  width: 68px;
  height: auto;
  object-fit: contain;
}

.desktop-nav {
  display: none;
  align-items: center;
  gap: 1.35rem;
  font-family: "Montserrat", sans-serif;
  font-weight: 800;
  font-size: .76rem;
  text-transform: uppercase;
  color: var(--blue-2);
}

.desktop-nav a {
  position: relative;
  padding: .5rem 0;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: .15rem;
  width: 0;
  height: 3px;
  border-radius: 999px;
  background: var(--gradient);
  transition: width .25s ease;
}

.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after {
  width: 100%;
}

.menu-toggle {
  min-width: 48px;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--blue-2);
  cursor: pointer;
  font-family: "Montserrat", sans-serif;
  font-weight: 900;
  font-size: .82rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.mobile-menu {
  border-top: 1px solid rgba(16, 22, 47, .08);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(18px);
}

.mobile-menu-inner {
  display: flex;
  flex-direction: column;
  padding-top: .35rem;
  padding-bottom: .9rem;
}

.mobile-menu a {
  font-family: "Montserrat", sans-serif;
  font-weight: 800;
  font-size: .82rem;
  text-transform: uppercase;
  color: var(--blue-2);
  padding: 1rem 0;
  border-bottom: 1px solid rgba(16, 22, 47, .08);
}

.mobile-menu a:last-child {
  border-bottom: 0;
}

.mobile-menu a:hover,
.mobile-menu a:focus-visible,
.menu-toggle:hover,
.menu-toggle:focus-visible {
  color: var(--blue-2);
  opacity: 0.85;
}

@media (min-width: 980px) {
  .desktop-nav { display: flex; }
  .menu-toggle,
  .mobile-menu { display: none; }
  .brand img { width: 92px; }
}