header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(229, 237, 245, 0.9);
}

.nav {
  width: var(--content);
  height: 76px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 950;
  color: var(--navy);
  letter-spacing: -0.03em;
}

.brand img {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  box-shadow: 0 10px 24px rgba(18, 143, 232, 0.18);
}

.brand small {
  display: block;
  margin-top: -6px;
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.brand-site {
  font-size: 1.35rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.92rem;
  font-weight: 800;
}

.nav-links a:hover {
  color: var(--blue-2);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown > summary {
  list-style: none;
  cursor: pointer;
  color: inherit;
  font: inherit;
  font-weight: 800;
}

.nav-dropdown > summary::-webkit-details-marker {
  display: none;
}

.nav-dropdown > summary::after {
  content: "";
  display: inline-block;
  width: 0.45em;
  height: 0.45em;
  margin-left: 0.35em;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-0.12em);
  opacity: 0.72;
  vertical-align: middle;
}

.nav-dropdown__menu {
  display: none;
  min-width: 168px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow);
}

.nav-dropdown__menu a {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding: 0 12px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--navy);
  white-space: nowrap;
}

.nav-dropdown__menu a:hover {
  background: var(--soft);
  color: var(--blue-2);
}

@media (min-width: 1041px) {
  .nav-dropdown__menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 80;
  }

  .nav-dropdown:hover .nav-dropdown__menu,
  .nav-dropdown:focus-within .nav-dropdown__menu,
  .nav-dropdown[open] .nav-dropdown__menu {
    display: grid;
    gap: 2px;
  }
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: white;
  border-radius: 12px;
  font-size: 1.1rem;
}

.menu-button[aria-expanded="true"] {
  color: white;
  background: var(--blue-2);
  border-color: var(--blue-2);
}

@media (max-width: 1040px) {
  .menu-button {
    display: block;
    flex: 0 0 auto;
  }

  .nav {
    position: relative;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    z-index: 70;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
  }

  .nav-links.is-open {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .nav-links a {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0 12px;
    border-radius: 12px;
  }

  .nav-links a:not(.btn):hover {
    background: var(--soft);
    color: var(--blue-2);
  }

  .nav-links .btn {
    width: 100%;
    margin-top: 6px;
  }

  .nav-dropdown {
    width: 100%;
  }

  .nav-dropdown > summary {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0 12px;
    border-radius: 12px;
  }

  .nav-dropdown > summary:hover {
    background: var(--soft);
    color: var(--blue-2);
  }

  .nav-dropdown__menu {
    display: grid;
    gap: 2px;
    margin: 2px 0 4px;
    padding: 6px;
    border: 0;
    border-radius: 12px;
    background: var(--soft);
    box-shadow: none;
  }

  .nav-dropdown:not([open]) .nav-dropdown__menu {
    display: none;
  }

  .nav-dropdown__menu a {
    min-height: 40px;
    padding-left: 16px;
  }
}

/* benryPlus portal header (top + common subpages) */
body[data-vendor="benryplus"] {
  --brand-orange: #f57c00;
  --brand-green: #43a047;
  --brand-line: #eadfce;
}

body[data-vendor="benryplus"] .header-site {
  border-bottom-color: var(--brand-line);
}

body[data-vendor="benryplus"] .brand-site__mark {
  border-radius: 10px;
  box-shadow: 0 6px 16px rgba(245, 124, 0, 0.18);
}

body[data-vendor="benryplus"] .brand-site .accent {
  color: var(--brand-green);
}

body[data-vendor="benryplus"] .nav-links a:hover,
body[data-vendor="benryplus"] .nav-links a:not(.btn):hover {
  color: var(--brand-orange);
}

body[data-vendor="benryplus"] .menu-button[aria-expanded="true"] {
  background: var(--brand-orange);
  border-color: var(--brand-orange);
}