.ndg-header {
  border-bottom: 1px solid var(--ndg-border);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 8px 24px rgba(15, 23, 42, .04);
}

.ndg-header__top {
  border-bottom: 1px solid rgba(203, 213, 225, .7);
  background: linear-gradient(90deg, #f8fbff 0%, #ffffff 45%, #f0f7ff 100%);
}

.ndg-header__top-inner {
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.ndg-contact,
.ndg-account,
.ndg-footer__links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.ndg-contact__item,
.ndg-account a,
.ndg-account__name,
.ndg-footer__links span,
.ndg-footer__links a {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 6px 10px;
  border: 1px solid #dbe7f6;
  border-radius: 999px;
  background: #fff;
  color: #475569;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
}

.ndg-contact__item:hover,
.ndg-account a:hover,
.ndg-footer__links a:hover {
  border-color: #93c5fd;
  color: var(--ndg-accent);
  transform: translateY(-1px);
}

.ndg-account__primary {
  background: var(--ndg-accent) !important;
  border-color: var(--ndg-accent) !important;
  color: #fff !important;
  box-shadow: 0 10px 24px rgba(37, 99, 235, .22);
}

.ndg-header__inner {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.ndg-brand {
  font-size: 20px;
  font-weight: 800;
  color: var(--ndg-accent);
  letter-spacing: 0;
}

.ndg-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 12px;
  border-radius: 999px;
  color: #334155;
  font-weight: 700;
}

.ndg-nav a:hover {
  background: #eff6ff;
  color: var(--ndg-accent);
}

.ndg-nav ul,
.ndg-sidebar ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 16px;
}

.ndg-portal__layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 24px;
  padding: 28px 0;
}

.ndg-sidebar {
  background: var(--ndg-surface);
  border: 1px solid var(--ndg-border);
  border-radius: var(--ndg-radius);
  padding: 16px;
  min-height: 420px;
  box-shadow: 0 18px 54px rgba(15, 23, 42, .06);
}

.ndg-sidebar__title {
  color: var(--ndg-muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.ndg-sidebar ul {
  display: grid;
  gap: 8px;
}

.ndg-sidebar a {
  display: block;
  padding: 10px 12px;
  border-radius: 6px;
  color: var(--ndg-muted);
}

.ndg-sidebar a:hover {
  background: var(--ndg-surface-2);
  color: var(--ndg-text);
}

.ndg-footer {
  border-top: 1px solid var(--ndg-border);
  padding: 26px 0;
  background: #f8fafc;
  color: var(--ndg-muted);
}

.ndg-footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}

.ndg-footer strong {
  color: var(--ndg-text);
}

.ndg-footer p {
  margin: 6px 0 0;
}

@media (max-width: 860px) {
  .ndg-header__top-inner,
  .ndg-header__inner,
  .ndg-footer__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .ndg-header__top-inner {
    padding: 10px 0;
  }

  .ndg-nav ul {
    gap: 8px;
    flex-wrap: wrap;
  }

  .ndg-portal__layout { grid-template-columns: 1fr; }
  .ndg-sidebar { min-height: auto; }
}