.es-header {
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.65);
}

.es-navbar {
  position: relative;
  gap: var(--space-4);
}

.es-navbar__brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 14px;
  background:
    radial-gradient(circle at 0 0, rgba(41, 227, 255, 0.7), transparent 65%),
    linear-gradient(135deg, #7c4dff, #4f8bff);
  box-shadow: 0 0 22px rgba(79, 139, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.es-navbar__brand-text {
  display: flex;
  flex-direction: column;
}

.es-navbar__brand-title {
  font-size: var(--font-size-sm);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text);
}

.es-navbar__brand-subtitle {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.es-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
}

.es-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.es-nav__link {
  white-space: nowrap;
}

.es-navbar__cta-wrap {
  margin-left: var(--space-3);
}

.es-navbar__cta-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.es-navbar__cta-icon i {
  font-size: 0.9rem;
}

/* Active link helper (can be set with server-side logic) */
.es-nav__link--active,
.es-nav__link[aria-current="page"] {
  color: #fff;
}

/* Mobile layout */
@media (max-width: 960px) {
  .es-navbar {
    gap: var(--space-2);
  }

  .es-nav {
    position: absolute;
    inset-inline: var(--space-4);
    top: calc(var(--header-height) - 0.5rem);
    transform-origin: top center;
    border-radius: var(--radius-lg);
    background: rgba(6, 10, 32, 0.98);
    border: 1px solid var(--color-border-subtle);
    box-shadow: var(--shadow-elevated);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition:
      max-height var(--transition-slow),
      opacity var(--transition-normal),
      visibility var(--transition-normal),
      transform var(--transition-normal);
  }

  .es-nav__list {
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3);
  }

  .es-nav__item + .es-nav__item {
    margin-top: var(--space-1);
  }

  .es-nav__link {
    width: 100%;
    justify-content: flex-start;
  }

  .es-header--menu-open .es-nav {
    opacity: 1;
    visibility: visible;
    max-height: 420px;
    transform: translateY(4px);
  }

  .es-navbar__cta-wrap {
    display: none;
  }
}

@media (max-width: 640px) {
  .es-navbar__brand-title {
    font-size: 0.7rem;
  }

  .es-navbar__brand-subtitle {
    font-size: 0.65rem;
  }
}