.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-brand-row {
  background: var(--white);
  padding: 22px 0 20px;
  padding-top: max(18px, env(safe-area-inset-top, 0px));
  border-bottom: 1px solid var(--line);
}

.header-brand-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.brand-center {
  display: flex;
  justify-content: center;
  width: 100%;
}

.header-brand-row .brand-logo {
  height: 78px;
  max-width: min(340px, 78vw);
}

.header-brand-inner .menu-btn {
  display: none;
}

.header-brand-spacer {
  display: none;
}

.header-nav-row {
  background: var(--blue-deep);
  border-bottom: 2px solid var(--gold);
}

.header-nav-inner {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.header-nav-row .nav {
  flex: 1;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2px;
}

.header-nav-row .nav a {
  color: rgba(255, 255, 255, 0.82);
  padding: 16px 14px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 3px solid transparent;
  margin-bottom: 0;
}

.header-nav-row .nav a:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.header-nav-row .nav a.active {
  color: #ffffff;
  border-bottom-color: var(--gold);
  background: rgba(255, 255, 255, 0.08);
}

.header-nav-row .header-cta {
  flex-shrink: 0;
  background: var(--white);
  color: var(--blue-deep);
  padding: 10px 20px;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.header-nav-row .header-cta:hover {
  background: var(--gold-light);
}

.nav-apply-mobile {
  display: none;
}

/* Hamburger control (shown on tablet/mobile) */
.menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 44px;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--blue-deep);
  font: inherit;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.menu-btn:hover {
  background: var(--surface);
  border-color: var(--blue-royal);
}

.menu-btn:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

.menu-btn-bars {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 20px;
  height: 16px;
}

.menu-btn-bars span {
  display: block;
  height: 2px;
  width: 100%;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

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

.menu-btn[aria-expanded="true"] .menu-btn-bars span:nth-child(2) {
  opacity: 0;
}

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

.menu-btn-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.nav-backdrop {
  display: none;
}

@media (max-width: 1100px) {
  .header-brand-row .brand-logo {
    height: 64px;
  }

  .header-nav-row .nav a {
    padding: 14px 10px;
    font-size: 0.75rem;
  }
}

@media (max-width: 1024px) {
  .header-brand-row {
    padding: 14px 0 12px;
  }

  .header-brand-row .brand-logo {
    height: 52px;
    max-width: min(280px, 62vw);
  }

  .header-brand-inner {
    display: grid;
    grid-template-columns: 44px 1fr 44px;
    align-items: center;
    gap: 8px;
  }

  .header-brand-inner .menu-btn {
    display: inline-flex;
    grid-column: 1;
    justify-self: start;
    border-color: var(--line);
  }

  .header-brand-inner .brand {
    grid-column: 2;
    justify-self: center;
    width: auto;
  }

  .header-brand-inner .brand-center {
    width: auto;
  }

  .header-brand-spacer {
    display: block;
    grid-column: 3;
  }

  .header-nav-row {
    border-bottom-width: 0;
  }

  body:not(.nav-open) .header-nav-row {
    background: transparent;
  }

  .header-nav-inner {
    min-height: 0;
    padding: 0;
  }

  .header-nav-row .header-cta {
    display: none;
  }

  .header-nav-row .nav {
    display: none;
    flex: none;
    position: fixed;
    left: 0;
    right: 0;
    top: var(--header-offset, 72px);
    bottom: 0;
    z-index: 51;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    margin: 0;
    padding: 8px 0 max(24px, env(safe-area-inset-bottom, 0px));
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    background: linear-gradient(180deg, var(--blue-deep) 0%, var(--blue) 100%);
    border-top: 2px solid var(--gold);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
  }

  .header-nav-row .nav.open {
    display: flex;
  }

  .header-nav-row .nav a {
    width: 100%;
    text-align: left;
    padding: 16px 24px;
    font-size: 0.9375rem;
    letter-spacing: 0.04em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    border-left: 3px solid transparent;
  }

  .header-nav-row .nav a.active {
    border-bottom-color: rgba(255, 255, 255, 0.1);
    border-left-color: var(--gold);
    background: rgba(255, 255, 255, 0.1);
  }

  .nav-apply-mobile {
    display: flex;
    margin: 20px 24px 8px;
    width: calc(100% - 48px);
    background: var(--white);
    color: var(--blue-deep);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 700;
    padding: 14px 20px;
    border: 2px solid var(--gold);
  }

  .nav-apply-mobile:hover {
    background: var(--gold-light);
  }

  .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 49;
    border: 0;
    padding: 0;
    margin: 0;
    cursor: pointer;
    background: rgba(0, 22, 68, 0.55);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease;
  }

  body.nav-open .nav-backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  body.nav-open .site-header {
    z-index: 52;
  }
}

@media (max-width: 480px) {
  .header-brand-row .brand-logo {
    height: 46px;
  }
}