.site-header {
  position: sticky;
  top: 0;
  z-index: 550;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(11, 22, 41, 0.08);
}

.site-nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.25rem;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  color: #172434;
  flex-shrink: 0;
}

.site-nav-logo-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #172434 0%, #233752 100%);
  color: #ffffff;
  font: 700 0.9rem/1 "IBM Plex Sans", "Outfit", sans-serif;
  letter-spacing: 0.12em;
}

.site-nav-logo-text {
  display: flex;
  flex-direction: column;
  font: 700 1.12rem/1.1 "Source Serif 4", "Cormorant Garamond", serif;
  color: #172434;
}

.site-nav-logo-text span {
  margin-top: 0.18rem;
  font: 600 0.68rem/1.2 "IBM Plex Sans", "Outfit", sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #667085;
}

.site-nav-links {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav-links a,
.site-nav-mobile a {
  text-decoration: none;
  font: 600 0.8rem/1.2 "IBM Plex Sans", "Outfit", sans-serif;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #172434;
  transition: color 0.2s ease;
}

.site-nav-links a[aria-current="page"],
.site-nav-links a:hover,
.site-nav-mobile a[aria-current="page"],
.site-nav-mobile a:hover {
  color: #c8933a;
}

.site-nav-right {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.site-nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.85rem 1.15rem;
  background: #172434;
  color: #ffffff;
  text-decoration: none;
  font: 700 0.78rem/1 "IBM Plex Sans", "Outfit", sans-serif;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 999px;
}

.site-nav-cta:hover {
  background: #243753;
  color: #ffffff;
}

.site-nav-hamburger,
.site-nav-mobile-close {
  appearance: none;
  border: 0;
  background: none;
  cursor: pointer;
}

.site-nav-hamburger {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.site-nav-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: #172434;
  transform-origin: center;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.site-nav-hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.site-nav-hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav-mobile {
  position: fixed;
  inset: 0;
  z-index: 600;
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 0;
  background: #172434;
}

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

.site-nav-mobile-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 2rem;
  line-height: 1;
  padding: 0.5rem;
}

.site-nav-mobile a {
  width: 100%;
  text-align: center;
  padding: 0.9rem 1.5rem;
  color: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-nav-mobile .site-nav-mobile-cta {
  margin-top: 1.4rem;
  color: #172434;
  background: #c8933a;
  border-bottom: 0;
  font-weight: 700;
}

body.site-nav-open {
  overflow: hidden;
}

@media (max-width: 1024px) {
  .site-nav-links,
  .site-nav-cta {
    display: none;
  }

  .site-nav-hamburger {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  .site-nav {
    min-height: 66px;
    padding: 0 1rem;
  }

  .site-nav-logo {
    gap: 0.7rem;
  }

  .site-nav-logo-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    font-size: 0.82rem;
  }

  .site-nav-logo-text {
    font-size: 1rem;
  }

  .site-nav-logo-text span {
    font-size: 0.62rem;
  }
}