/* Base theme. Colours and fonts come from CSS variables set by the customizer. */
:root {
  --color-primary: #0b5cad; --color-on-primary: #fff; --color-accent: #b45309; --color-background: #fff;
  --color-surface: #f3f6fa; --color-text: #1d2530; --color-muted: #4b5563;
  --font-body: system-ui, sans-serif; --font-heading: var(--font-body);
  --measure: 70ch; --space: clamp(1rem, 2.5vw, 1.5rem);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--color-background); color: var(--color-text); font: 1.0625rem/1.65 var(--font-body); }
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.2; margin: 1.6em 0 .5em; }
h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-top: .5em; }
h2 { font-size: 1.6rem; } h3 { font-size: 1.3rem; }
a { color: var(--color-primary); text-underline-offset: .15em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 3px; }
img { max-width: 100%; height: auto; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }

.container { width: min(100% - 2 * var(--space), 72rem); margin-inline: auto; }
.container.prose { max-width: var(--measure); }
.container--wide.prose { max-width: 72rem; }
main { display: block; padding-block: 2rem 4rem; min-height: 60vh; }
main:focus { outline: none; }

.skip-link { position: absolute; left: -999px; top: .5rem; background: var(--color-background); color: var(--color-primary); padding: .5rem 1rem; z-index: 10; }
.skip-link:focus { left: .5rem; }

.site-header { background: var(--color-surface); border-bottom: 1px solid color-mix(in srgb, var(--color-text) 12%, transparent); }
.site-header__inner { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 2rem; padding-block: 1rem; }
.header--center .site-header__inner { flex-direction: column; text-align: center; }
.site-title { font: 700 1.35rem var(--font-heading); color: var(--color-text); text-decoration: none; }
.site-tagline { margin: 0; color: var(--color-muted); font-size: .95rem; }
.site-nav { margin-left: auto; }
.header--center .site-nav { margin-left: 0; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; }
.site-nav ul ul { display: none; }
.site-nav li:hover > ul, .site-nav li:focus-within > ul { display: flex; flex-direction: column; position: absolute; background: var(--color-surface); padding: .5rem 1rem; border-radius: 6px; box-shadow: 0 8px 24px rgba(0,0,0,.12); }
.site-nav li { position: relative; }
.site-nav a { color: var(--color-text); text-decoration: none; padding: .35rem 0; display: inline-block; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--color-primary); text-decoration: underline; }
.site-nav__toggle { display: none; }
.site-nav__toggle summary { cursor: pointer; padding: .4rem .8rem; border: 1px solid currentColor; border-radius: 6px; list-style: none; }
@media (max-width: 720px) {
  .site-nav { margin-left: 0; width: 100%; }
  .site-nav__wide { display: none; }
  .site-nav__toggle { display: block; }
  .site-nav__toggle ul { flex-direction: column; margin-top: .75rem; }
  .site-nav__toggle ul ul { display: flex; position: static; box-shadow: none; padding-left: 1rem; }
}

.prose p, .prose ul, .prose ol { margin: 0 0 1.1em; }
.prose li + li { margin-top: .3em; }
.prose code { font-size: .9em; background: var(--color-surface); padding: .1em .3em; border-radius: 4px; }
.prose mark { background: color-mix(in srgb, var(--color-accent) 25%, transparent); color: inherit; }
.quote { margin: 1.5em 0; padding: .5em 1.25em; border-left: 4px solid var(--color-accent); background: var(--color-surface); }
.quote--center { text-align: center; border-left: 0; }
.quote blockquote { margin: 0; font-size: 1.15em; }
.quote figcaption { color: var(--color-muted); margin-top: .5em; }
.quote figcaption::before { content: "— "; }
.delimiter { border: 0; text-align: center; margin: 2em 0; }
.delimiter::before { content: "* * *"; letter-spacing: .5em; color: var(--color-muted); }
.checklist { list-style: none; padding-left: 0; }
.button, .prose a.button { display: inline-block; background: var(--color-primary); color: var(--color-on-primary); padding: .6em 1.2em; border-radius: 6px; text-decoration: none; }

.site-footer { background: var(--color-surface); color: var(--color-muted); padding-block: 2rem; font-size: .95rem; }
.site-footer p { margin: .25rem 0; }
.site-footer a { color: inherit; }