/* Homepage-derived branding, shared by every page and course template. */
:root {
  --pyg-header-background: #f8f8f1;
  --pyg-header-text: #253b30;
  --pyg-header-mark: #426747;
  --pyg-header-muted: #6f7a65;
  --pyg-header-border: #e1e4d9;
  --pyg-header-focus: #bd773f;
  --pyg-header-count: #e7ebdf;
  --pyg-font-brand: Georgia, 'Times New Roman', serif;
  --pyg-font-interface: Arial, Helvetica, sans-serif;
}

body.pyg-site { margin: 0; }

footer#pyg-site-footer.pyg-site-footer {
  display: block; width: 100%; max-width: none; margin: 48px 0 0;
  padding: 36px 0 30px; border: 0; border-top: 1px solid var(--pyg-header-border);
  background: var(--pyg-header-background); color: var(--pyg-header-text);
  text-align: left; font: 400 14px/1.6 var(--pyg-font-interface);
}
#pyg-site-footer .pyg-footer-inner { width: 91%; max-width: 1440px; margin: 0 auto; padding: 0; }
#pyg-site-footer .pyg-footer-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
#pyg-site-footer p { margin: 0; padding: 0; color: var(--pyg-header-muted); font: 400 12px/1.7 var(--pyg-font-interface); }
#pyg-site-footer .pyg-footer-nav { display: flex; flex-wrap: wrap; gap: 4px 28px; margin: 24px 0 16px; padding: 0; }
#pyg-site-footer a:not(.pyg-brand) { display: inline-flex; align-items: center; min-height: 44px; color: var(--pyg-header-text); text-decoration: none; font: 400 13px/1.5 var(--pyg-font-interface); }
#pyg-site-footer a:not(.pyg-brand):hover { text-decoration: underline; text-underline-offset: 4px; }
#pyg-site-footer a:focus-visible { outline: 3px solid var(--pyg-header-focus); outline-offset: 4px; }
#pyg-site-footer .pyg-footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; border-top: 1px solid var(--pyg-header-border); padding-top: 14px; }
#pyg-site-footer .course-directory { display: block; width: 100%; margin: 0 0 22px; padding: 16px 0; border-top: 1px solid var(--pyg-header-border); }
#pyg-site-footer .course-directory strong { display: block; margin-bottom: 8px; font-size: 12px; }
#pyg-site-footer .course-directory > div { display: flex; flex-wrap: wrap; gap: 0 22px; }
#pyg-site-footer .pyg-footer-context { display: flex; flex-wrap: wrap; gap: 24px; margin-bottom: 14px; }
@media (max-width: 650px) {
  #pyg-site-footer .pyg-footer-heading { align-items: flex-start; flex-direction: column; gap: 16px; }
  #pyg-site-footer .pyg-footer-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 20px; }
  #pyg-site-footer .pyg-footer-bottom { align-items: flex-start; }
}

/* Shared global navigation. Page sections use the separate row below it. */
header#pyg-site-header.pyg-site-header {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
  padding: 0;
  background: var(--pyg-header-background);
  color: var(--pyg-header-text);
  border: 0;
  border-bottom: 1px solid var(--pyg-header-border);
  font: 400 15px/1.6 var(--pyg-font-interface);
  letter-spacing: normal;
}
header#pyg-site-header .pyg-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 91%;
  min-height: 100px;
  margin: 0 auto;
  padding: 16px 0;
  box-sizing: border-box;
}
header#pyg-site-header .pyg-main-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  flex: 1 1 auto;
  gap: 0 clamp(12px, 1.6vw, 28px);
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}
header#pyg-site-header .pyg-main-nav a,
.pyg-section-nav .pyg-section-inner a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin: 0;
  padding: 0;
  border: 0;
  color: var(--pyg-header-text);
  background: transparent;
  font: 400 13px/1.6 var(--pyg-font-interface);
  letter-spacing: normal;
  text-transform: none;
  text-decoration: none;
  white-space: nowrap;
  box-sizing: border-box;
}
header#pyg-site-header .pyg-main-nav a:hover,
header#pyg-site-header .pyg-main-nav a[aria-current],
.pyg-section-nav .pyg-section-inner a:hover {
  color: var(--pyg-header-text);
  background: transparent;
  text-decoration: underline;
  text-underline-offset: 6px;
}
header#pyg-site-header a:focus-visible,
header#pyg-site-header button:focus-visible,
.pyg-section-nav a:focus-visible {
  outline: 3px solid var(--pyg-header-focus);
  outline-offset: 4px;
}
header#pyg-site-header .count {
  margin-left: 4px;
  padding: 2px 6px;
  border-radius: 50%;
  color: var(--pyg-header-text);
  background: var(--pyg-header-count);
  font: 400 11px/1.2 var(--pyg-font-interface);
}
header#pyg-site-header .pyg-nav-toggle {
  min-height: 44px;
  margin: 0;
  padding: 6px 12px;
  border: 1px solid var(--pyg-header-text);
  border-radius: 3px;
  color: var(--pyg-header-text);
  background: transparent;
  font: 400 13px/1.6 var(--pyg-font-interface);
  cursor: pointer;
}
header#pyg-site-header .pyg-nav-toggle[hidden] { display: none; }
.pyg-section-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--pyg-header-border);
  background: var(--pyg-header-background);
  color: var(--pyg-header-text);
  font: 400 13px/1.6 var(--pyg-font-interface);
}
.pyg-section-nav .pyg-section-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  width: 91%;
  margin: 0 auto;
  padding: 4px 0;
  overflow-x: auto;
  white-space: nowrap;
}
.pyg-section-nav .pyg-section-inner > span {
  flex: none;
  color: var(--pyg-header-muted);
  font: 400 11px/1.6 var(--pyg-font-interface);
}
.pyg-section-nav .pyg-section-inner a { flex: none; }
.pyg-section-nav ~ main [id] { scroll-margin-top: 70px; }
@media (max-width: 1180px) {
  header#pyg-site-header .pyg-header-inner { flex-wrap: wrap; gap: 8px 24px; }
  header#pyg-site-header .pyg-main-nav { flex-basis: 100%; justify-content: flex-start; }
}
@media (max-width: 900px) {
  header#pyg-site-header .pyg-header-inner { min-height: 86px; padding: 14px 0; }
  header#pyg-site-header .pyg-main-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 20px; }
  header#pyg-site-header[data-nav-enhanced="true"] .pyg-main-nav[data-collapsed="true"] { display: none; }
  .pyg-section-nav .pyg-section-inner { gap: 22px; }
}
@media (max-width: 400px) {
  header#pyg-site-header .pyg-header-inner { column-gap: 8px; }
  header#pyg-site-header .pyg-nav-toggle { padding-right: 8px; padding-left: 8px; }
}

a.pyg-brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 12px;
  max-width: 100%;
  margin: 0;
  padding: 0;
  color: var(--pyg-header-text);
  text-decoration: none;
  text-transform: none;
  text-align: left;
  font: 400 19px/1.2 var(--pyg-font-brand);
  letter-spacing: 1.1px;
}
a.pyg-brand:hover { color: var(--pyg-header-text); text-decoration: none; }
a.pyg-brand .pyg-brand-mark {
  display: block;
  flex: 0 0 38px;
  width: 38px;
  height: 42px;
  margin: 0;
  fill: none;
  stroke: var(--pyg-header-mark);
  stroke-width: 1.5;
}
a.pyg-brand .pyg-brand-copy { display: block; }
a.pyg-brand .pyg-brand-name {
  display: block;
  white-space: nowrap;
  font: inherit;
  letter-spacing: inherit;
  color: inherit;
}
a.pyg-brand .pyg-brand-tagline {
  display: block;
  margin: 8px 0 0;
  color: var(--pyg-header-muted);
  white-space: nowrap;
  font: 400 9px/1.5 var(--pyg-font-interface);
  letter-spacing: 2px;
}
a.pyg-brand .pyg-brand-tagline span { display: inline; font: inherit; letter-spacing: inherit; }
@media (max-width: 400px) {
  a.pyg-brand { gap: 10px; font-size: 17px; }
  a.pyg-brand .pyg-brand-mark { flex-basis: 32px; width: 32px; height: 36px; }
  a.pyg-brand .pyg-brand-tagline { font-size: 8px; letter-spacing: 1.6px; }
}