/*
 * Shared header for geoffreyrockwell.com and theoreti.ca.
 * Loaded by both sites from https://www.geoffreyrockwell.com/css/gr-header.css
 *
 * Every rule is scoped to .gr-header so it can't affect (or be affected by)
 * the WordPress theme. Sizes are in px because Twenty Fifteen sets
 * html { font-size: 62.5% }, which would shrink rem-based sizes.
 */

.gr-header {
  --gr-bg: #1a3a52;
  --gr-text: #ffffff;
  --gr-muted: #c9d6e0;
  --gr-accent: #f2c14e;

  position: relative;
  z-index: 100;            /* above Twenty Fifteen's fixed sidebar background */
  box-sizing: border-box;
  width: 100%;
  margin: 0;
  padding: 0;
  background: var(--gr-bg);
  color: var(--gr-text);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 16px;
  line-height: 1.3;
  text-align: left;
}

.gr-header *,
.gr-header *::before,
.gr-header *::after {
  box-sizing: border-box;
}

.gr-header .gr-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 16px;
}

.gr-header a.gr-header__name,
.gr-header a.gr-header__name:visited,
.gr-header a.gr-header__name:hover {
  display: block;
  margin: 0;
  padding: 0;
  border: 0;
  box-shadow: none;
  color: var(--gr-text);
  font-size: 24px;
  font-weight: bold;
  letter-spacing: 0.3px;
  text-decoration: none;
}

.gr-header .gr-header__tagline {
  display: block;
  margin-top: 2px;
  color: var(--gr-muted);
  font-size: 13px;
  font-weight: normal;
  font-style: italic;
  letter-spacing: 0;
}

.gr-header .gr-header__nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.gr-header .gr-header__nav li {
  margin: 0;
  padding: 0;
  list-style: none;
}

.gr-header .gr-header__nav li::before {
  content: none;
}

.gr-header .gr-header__nav a,
.gr-header .gr-header__nav a:visited {
  display: block;
  margin: 0;
  padding: 6px 12px;
  border: 0;
  border-bottom: 3px solid transparent;
  box-shadow: none;
  color: var(--gr-text);
  font-size: 16px;
  font-weight: normal;
  text-decoration: none;
}

.gr-header .gr-header__nav a:hover {
  border-bottom-color: var(--gr-muted);
  color: var(--gr-text);
}

.gr-header .gr-header__nav a:focus-visible,
.gr-header a.gr-header__name:focus-visible {
  outline: 2px solid var(--gr-accent);
  outline-offset: 2px;
}

.gr-header .gr-header__nav a[aria-current="page"] {
  border-bottom-color: var(--gr-accent);
  font-weight: bold;
}

@media (max-width: 600px) {
  .gr-header .gr-header__inner {
    padding: 10px 16px 6px;
  }
  .gr-header a.gr-header__name,
  .gr-header a.gr-header__name:visited,
  .gr-header a.gr-header__name:hover {
    font-size: 20px;
  }
  .gr-header .gr-header__tagline {
    display: none;
  }
  .gr-header .gr-header__nav {
    width: 100%;
  }
  .gr-header .gr-header__nav ul {
    margin-left: -12px;
  }
}

@media print {
  .gr-header {
    display: none;
  }
}