:root {
  --blue: #0b1baa;
  --paper: #e9eaf1;
  --ink: #101114;
  --nav-link: #00cc00;
  --nav-hover: #7dff7d;
  --link: #0a640a;
  --link-hover: #004d00;
  --panel: #d6d9ea;
}
body {
  background: #000;
  color: var(--ink);
  font: 1.0625rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Arial, Helvetica, sans-serif;
}
.container { max-width: 1000px; margin: 0 auto; background: var(--paper); }

/* masthead */
.masthead img { display: block; width: 100%; }
.masthead-text {
  margin: 0; padding: .9rem 1rem; background: var(--blue); color: #fff;
  font-size: 1.25rem; font-weight: 700;
}
.masthead-text a { color: var(--nav-link); text-decoration: none; font-size: 1.5rem; margin-right: .5rem; }
.masthead-text span { display: inline-block; }

/* layout: stacked on small screens, sidebar from 50em */
.layout { display: block; }
.sidebar { background: var(--blue); padding: .5rem 1rem 1rem; }
.sidebar nav ul { list-style: none; margin: 0; padding: 0; }
.menu summary {
  cursor: pointer; color: var(--nav-link); font-weight: 700; font-size: 1.125rem; padding: .6rem 0;
}
.menu li { margin: 0; }
.menu a {
  display: block; padding: .55rem 0; color: var(--nav-link); font-weight: 700;
  text-decoration: none; line-height: 1.3;
}
.menu a:hover, .menu a:focus-visible { color: var(--nav-hover); text-decoration: underline; }
.menu a[aria-current] { color: #fff; text-decoration: underline; text-underline-offset: .25em; }
.sidebar a:focus-visible { outline-color: #fff; }
.logo { display: block; margin-top: 1rem; }
.logo img { display: block; }
.side-image { display: block; margin-top: 1rem; border: 0; }

.content { padding: 1rem; min-width: 0; }
.content h1 { font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2rem); line-height: 1.2; margin: .5rem 0 1rem; }
.content h2 { font-size: 1.5rem; line-height: 1.25; margin: 2rem 0 .75rem; }
.content h3 { font-size: 1.25rem; line-height: 1.3; margin: 1.5rem 0 .5rem; }
.content h4 { font-size: 1.1rem; margin: 1.25rem 0 .5rem; }
.content p { margin: 0 0 1rem; }
.content a { color: var(--link); font-weight: 700; text-underline-offset: .15em; }
.content a:hover { color: var(--link-hover); text-decoration-thickness: .15em; }
.content blockquote { margin: 1rem 0; padding: .25rem 1rem; border-left: 4px solid var(--blue); background: rgba(11, 27, 170, .06); }
.content img { display: block; margin: .5rem 0 1rem; }
.content p > img:only-child { margin: 0; }
.content em a, .content a em { font-style: italic; }

.img-right, .img-left { max-width: 100%; }
.centered { text-align: center; }
.memorial { text-align: center; font-style: italic; }
h1.memorial { font-size: clamp(1.6rem, 1.2rem + 2vw, 2.4rem); }
.panel { background: var(--panel); border-left: 4px solid var(--blue); padding: .75rem 1rem; margin: 1rem 0; }
.panel p:last-child { margin-bottom: 0; }
.notice { background: #fff8d6; border: 1px solid #b59a00; border-left-width: 6px; padding: .75rem 1rem; margin: 0 0 1.5rem; }
.notice a { font-weight: 700; }

.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: .25rem .5rem; padding: 0; margin: 0 0 .5rem; font-size: .9rem; }
.breadcrumbs li + li::before { content: "\203A"; margin-right: .5rem; color: #555; }
.breadcrumbs a { font-weight: 400; }

.site-footer { background: var(--paper); border-top: 1px solid #b8bad0; padding: .75rem 1rem 1.25rem; font-size: .9rem; color: #333; }
.site-footer p { margin: 0; }

@media (min-width: 36em) {
  .img-right { float: right; margin: .25rem 0 1rem 1rem; max-width: 50%; }
  .img-left { float: left; margin: .25rem 1rem 1rem 0; max-width: 50%; }
  .content h2, .content h3 { clear: none; }
}
@media (min-width: 50em) {
  .layout { display: grid; grid-template-columns: 11.25rem minmax(0, 1fr); align-items: start; }
  .sidebar { min-height: 100%; }
  .content { padding: 1rem 1.25rem 2rem; }
}
/* On wide screens the menu is always shown; browsers without ::details-content keep the toggle */
@supports selector(::details-content) {
  @media (min-width: 50em) {
    .menu summary { display: none; }
    .menu::details-content { display: block; content-visibility: visible; }
  }
}
@media (max-width: 35.99em) {
  .img-right, .img-left { margin-left: auto; margin-right: auto; }
}