/* Solid dark-blue header — same palette as brand banner, no hex/dots. */
:root,
[data-md-color-scheme="default"],
[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #010c20;
  --md-primary-fg-color--light: #020a1d;
  --md-primary-fg-color--dark: #000616;
  --md-primary-bg-color: #ffffff;
  --md-primary-bg-color--light: #ffffffb3;
  --md-accent-fg-color: #3b82f6;

  --er-header-bg: #010c20;
  --er-banner: url("../assets/header-banner.svg");
  --er-tabs-h: 2.4rem;
}

html,
body {
  margin: 0;
  padding: 0;
}

.md-header,
.md-tabs {
  background-color: var(--er-header-bg) !important;
  background-image: var(--er-banner) !important;
  background-repeat: no-repeat !important;
  background-size: 100% 100% !important;
  background-position: center !important;
  box-shadow: none !important;
}

.md-header {
  position: sticky;
  top: 0;
  z-index: 4;
}

.md-header::before {
  display: none !important;
}

.md-header__button.md-logo img,
.md-header__button.md-logo svg,
.md-nav__button.md-logo img,
.md-nav__button.md-logo svg {
  height: 2rem;
  width: auto;
}