/*
 * ERAU brand colors
 *   Royal Blue  PMS 7686 C  #00549A
 *   Gold        PMS 1225 C  #FFCD4D
 *
 * Brand gold is too light to read as text on a white background, so light
 * mode uses a darker gold for the accent (link hover, focus). Dark mode uses
 * the brand gold directly and a lighter blue for links.
 */

:root {
  --erau-blue: #00549a;
  --erau-blue-light: #2a74b5;
  --erau-blue-dark: #003d70;
  --erau-gold: #ffcd4d;
  --erau-gold-dark: #9a6f00;
}

[data-md-color-scheme="default"] {
  --md-primary-fg-color: var(--erau-blue);
  --md-primary-fg-color--light: var(--erau-blue-light);
  --md-primary-fg-color--dark: var(--erau-blue-dark);
  --md-primary-bg-color: #ffffff;
  --md-accent-fg-color: var(--erau-gold-dark);
  --md-accent-fg-color--transparent: rgba(154, 111, 0, 0.1);
  --md-typeset-a-color: var(--erau-blue);
}

[data-md-color-scheme="slate"] {
  --md-primary-fg-color: var(--erau-blue-dark);
  --md-primary-fg-color--light: var(--erau-blue);
  --md-primary-fg-color--dark: #002a4d;
  --md-primary-bg-color: #ffffff;
  --md-accent-fg-color: var(--erau-gold);
  --md-accent-fg-color--transparent: rgba(255, 205, 77, 0.1);
  --md-typeset-a-color: #7fb2e0;
}

/* Thin gold rule under the header */
.md-header {
  border-bottom: 3px solid var(--erau-gold);
}

/*
 * Home page banner (ERAU + Department of Aerospace Engineering + CFAL logo).
 * The image has an opaque white background, so in dark mode it sits on a
 * rounded white card instead of showing as a bare white strip.
 */
.md-typeset img.cfal-banner {
  display: block;
  width: 100%;
  max-width: 696px;
  height: auto;
  margin: 0 auto 1.5rem;
}

[data-md-color-scheme="slate"] .md-typeset img.cfal-banner {
  background: #ffffff;
  padding: 0.6rem 0.8rem;
  border-radius: 0.4rem;
  box-sizing: border-box;
}

/*
 * Left sidebar: top-level sections (Getting Started, Undergraduate, ...)
 * are collapsible and start closed. Make their titles read as headings.
 */
.md-nav--primary > .md-nav__list > .md-nav__item > .md-nav__link {
  font-weight: 700;
  margin-top: 0.75em;
}