body {
  margin: 0;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}


h1 { font-size: 2.222rem; }
h2 { font-size: 1.667rem; }
h3 { font-size: 1.333rem; }
h4 { font-size: 1.167rem; }
h5 { font-size: 1.0rem; } 
h6 { font-size: 0.889rem; }

p, li {
  text-wrap: pretty;
}

h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
}

body {
  font-family: system-ui, sans-serif;
}

h1, h2, h3, h4, h5, h6 {
  font-family: system-ui, sans-serif;
  font-weight: bold;
}

main article, main .content {
  font-family: Charter, 'Bitstream Charter', 'Sitka Text', Cambria, serif;
}


input, button, textarea, select {
  font: inherit;
}

input, select, textarea, img, picture, video, canvas, svg, table, pre {
  vertical-align: baseline;
}

label:has(+ textarea) {
  vertical-align: top;
}

select {
  padding: 0.25em;
  line-height: 1.2;
  vertical-align: baseline;
}

input, textarea, select, button {
  border: 1px solid #ccc;
  color: inherit;
}

input[type="range"] {
  background-color: transparent;
}        


:where(code, pre) {
  border: 1px solid #ccc;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.9em;
}

code {
  padding: 0.1em 0.3em;
  white-space: nowrap;
}

pre > code {
  all: unset;
}

pre {
  padding: 1em;
  overflow-x: auto;
  line-height: 1.4;
} 

/* Horizontal Rule */

hr {
  border: 0;
  border-bottom: 1px solid currentColor;
  height: 0;
  margin: 1rem 0;
}


hr {
  border: 0;
  border-bottom: 1px solid currentColor;
  height: 0;
  margin: 1rem 0;
}


.horizontal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  padding: 0;
  list-style: none;
  align-items: center;
}

.horizontal-links li {
  margin: 0;
  line-height: 1;
}

.horizontal-links a {
  white-space: nowrap;
}            


.visually-hidden {
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
  padding: 0;
  margin: 0;
  clip: rect(1px,1px,1px,1px);
}

.layout-container { max-width: 1024px; }

[class^="layout-cols"] {
  display: flex;
  flex-wrap: wrap;
  gap: 1.0rem;
}

.layout-cols-1-1-1-1 > :nth-child(1) { flex: 1 1 calc((100% * 1 / 4) - (3 * 1.0rem * 1 / 4)); }
.layout-cols-1-1-1-1 > :nth-child(2) { flex: 1 1 calc((100% * 1 / 4) - (3 * 1.0rem * 1 / 4)); }
.layout-cols-1-1-1-1 > :nth-child(3) { flex: 1 1 calc((100% * 1 / 4) - (3 * 1.0rem * 1 / 4)); }
.layout-cols-1-1-1-1 > :nth-child(4) { flex: 1 1 calc((100% * 1 / 4) - (3 * 1.0rem * 1 / 4)); }
.layout-cols-1-1-1 > :nth-child(1) { flex: 1 1 calc((100% * 1 / 3) - (2 * 1.0rem * 1 / 3)); }
.layout-cols-1-1-1 > :nth-child(2) { flex: 1 1 calc((100% * 1 / 3) - (2 * 1.0rem * 1 / 3)); }
.layout-cols-1-1-1 > :nth-child(3) { flex: 1 1 calc((100% * 1 / 3) - (2 * 1.0rem * 1 / 3)); }
.layout-cols-1-1 > :nth-child(1) { flex: 1 1 calc((100% * 1 / 2) - (1 * 1.0rem * 1 / 2)); }
.layout-cols-1-1 > :nth-child(2) { flex: 1 1 calc((100% * 1 / 2) - (1 * 1.0rem * 1 / 2)); }
.layout-cols-2-1 > :nth-child(1) { flex: 1 1 calc((100% * 2 / 3) - (1 * 1.0rem * 2 / 3)); }
.layout-cols-2-1 > :nth-child(2) { flex: 1 1 calc((100% * 1 / 3) - (1 * 1.0rem * 1 / 3)); }
.layout-cols-3-1 > :nth-child(1) { flex: 1 1 calc((100% * 3 / 4) - (1 * 1.0rem * 3 / 4)); }
.layout-cols-3-1 > :nth-child(2) { flex: 1 1 calc((100% * 1 / 4) - (1 * 1.0rem * 1 / 4)); }
.layout-cols-1-2 > :nth-child(1) { flex: 1 1 calc((100% * 1 / 3) - (1 * 1.0rem * 1 / 3)); }
.layout-cols-1-2 > :nth-child(2) { flex: 1 1 calc((100% * 2 / 3) - (1 * 1.0rem * 2 / 3)); }
.layout-cols-1-3 > :nth-child(1) { flex: 1 1 calc((100% * 1 / 4) - (1 * 1.0rem * 1 / 4)); }
.layout-cols-1-3 > :nth-child(2) { flex: 1 1 calc((100% * 3 / 4) - (1 * 1.0rem * 3 / 4)); }
.layout-cols-1 > :nth-child(1) { flex: 1 1 calc((100% * 1 / 1) - (0 * 1.0rem * 1 / 1)); }

@media (max-width: 900px) {
  .layout-cols-1-1-1-1 > :nth-child(1) { flex: 1 1 calc(50% - 0.5rem); }
  .layout-cols-1-1-1-1 > :nth-child(2) { flex: 1 1 calc(50% - 0.5rem); }
  .layout-cols-1-1-1-1 > :nth-child(3) { flex: 1 1 calc(50% - 0.5rem); }
  .layout-cols-1-1-1-1 > :nth-child(4) { flex: 1 1 calc(50% - 0.5rem); }
  .layout-cols-2-1 > :nth-child(1) { flex: 0 0 100%; }
  .layout-cols-2-1 > :nth-child(2) { flex: 0 0 100%; }
  .layout-cols-3-1 > :nth-child(1) { flex: 0 0 100%; }
  .layout-cols-3-1 > :nth-child(2) { flex: 0 0 100%; }
  .layout-cols-1-2 > :nth-child(1) { flex: 0 0 100%; }
  .layout-cols-1-2 > :nth-child(2) { flex: 0 0 100%; }
  .layout-cols-1-3 > :nth-child(1) { flex: 0 0 100%; }
  .layout-cols-1-3 > :nth-child(2) { flex: 0 0 100%; }
}

@media (max-width: 600px) {
  .layout-cols-1-1-1-1 > :nth-child(1) { flex: 0 0 100%; }
  .layout-cols-1-1-1-1 > :nth-child(2) { flex: 0 0 100%; }
  .layout-cols-1-1-1-1 > :nth-child(3) { flex: 0 0 100%; }
  .layout-cols-1-1-1-1 > :nth-child(4) { flex: 0 0 100%; }
  .layout-cols-1-1-1 > :nth-child(1) { flex: 0 0 100%; }
  .layout-cols-1-1-1 > :nth-child(2) { flex: 0 0 100%; }
  .layout-cols-1-1-1 > :nth-child(3) { flex: 0 0 100%; }
  .layout-cols-1-1 > :nth-child(1) { flex: 0 0 100%; }
  .layout-cols-1-1 > :nth-child(2) { flex: 0 0 100%; }
  .layout-cols-2-1 > :nth-child(1) { flex: 0 0 100%; }
  .layout-cols-2-1 > :nth-child(2) { flex: 0 0 100%; }
  .layout-cols-3-1 > :nth-child(1) { flex: 0 0 100%; }
  .layout-cols-3-1 > :nth-child(2) { flex: 0 0 100%; }
  .layout-cols-1-2 > :nth-child(1) { flex: 0 0 100%; }
  .layout-cols-1-2 > :nth-child(2) { flex: 0 0 100%; }
  .layout-cols-1-3 > :nth-child(1) { flex: 0 0 100%; }
  .layout-cols-1-3 > :nth-child(2) { flex: 0 0 100%; }
}


#menu-toggle {
  float: right;
  min-width: 2em;
  text-align: center;
  cursor: pointer;
}

#menu-toggle .icon-close {
  display:none;
}

#menu-toggle[aria-expanded="true"] .icon-open {
  display:none;
}

#menu-toggle[aria-expanded="true"] .icon-close {
  display:inline;
}            

.masthead::after {
  content: "";
  display: table;
  clear: both;
}


html, body {
  height: 100%
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh
}

main {
  flex: 1 0 auto
}

footer {
  flex-shrink: 0;
  position: relative;
}


.bump-mt-0 { margin-top: 0; }
.bump-mt-1 { margin-top: 1rem; }
.bump-mt-2 { margin-top: 2rem; }
.bump-mt-3 { margin-top: 3rem; }

.bump-mb-0 { margin-bottom: 0; }
.bump-mb-1 { margin-bottom: 1rem; }
.bump-mb-2 { margin-bottom: 2rem; }
.bump-mb-3 { margin-bottom: 3rem; }


a[href^="http://"]:after,
a[href^="https://"]:after {
  content: '';
  display: inline-block;
  vertical-align: -0.11111em;
  margin-left: 0.25em;
  width: 0.8333em;
  height: 0.8333em;
  background: currentColor;
  mask-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path fill="white" d="M10.5 1a.5.5 0 0 0 0 1h2.793L7.146 8.146a.5.5 0 1 0 .708.708L14 2.707V5.5a.5.5 0 0 0 1 0v-4a.5.5 0 0 0-.5-.5h-4z"/><path fill="white" d="M13 8a.5.5 0 0 1 .5.5v4A2.5 2.5 0 0 1 11 15H4A2.5 2.5 0 0 1 1.5 12.5V5A2.5 2.5 0 0 1 4 2.5h4a.5.5 0 0 1 0 1H4A1.5 1.5 0 0 0 2.5 5v7.5A1.5 1.5 0 0 0 4 14h7a1.5 1.5 0 0 0 1.5-1.5v-4a.5.5 0 0 1 .5-.5z"/></svg>');
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
}            

/* LIGHT THEME */
body {
  color: #292726;
  background-color: #f2dac1;
}
html[data-theme="light"] body,
html[data-theme="dark"] .light-theme {
  color: #292726;
  background-color: #f2dac1;
}
html[data-theme="light"] a,
html[data-theme="dark"] .light-theme a {
  color: #416a95;
}
:where(code, pre),
html[data-theme="light"] :where(code, pre) {
  background-color: #e6cfb7;
  border-color: #dac4ae;
}
:where(input, select, textarea, button, datalist, option),
html[data-theme="light"] :where(input, select, textarea, button, datalist, option) {
  background-color: #e0cab3;
  border-color: #ceb9a4;
}
:where(input:disabled, select:disabled, textarea:disabled, button:disabled, datalist:disabled, option:disabled),
html[data-theme="light"] :where(input:disabled, select:disabled, textarea:disabled, button:disabled, datalist:disabled, option:disabled) {
  background-color: #ecd5bc;
  border-color: #e6cfb7;
  opacity: .5;
  cursor: not-allowed;
}
@media (prefers-color-scheme: dark) {
  html:not([data-theme]) .light-theme {
    color: #292726;
    background-color: #f2dac1;
  }
  html:not([data-theme]) .light-theme a {
    color: #416a95;
  }
}

/* DARK THEME */
@media (prefers-color-scheme: dark) {
  html:not([data-theme]) body {
    color: #f2dac1;
    background-color: #292726;
  }
  html:not([data-theme]) a {
    color: #73a2d3;
  }
  html:not([data-theme]) :where(code, pre) {
    background-color: #393736;
    border-color: #494747;
  }
  html:not([data-theme]) :where(input, select, textarea, button, datalist, option) {
    background-color: #494747;
    border-color: #696867;
  }
  html:not([data-theme]) :where(input:disabled, select:disabled, textarea:disabled, button:disabled, datalist:disabled, option:disabled) {
    background-color: #2e2c2b;
    border-color: #343231;
  opacity: .4;
  cursor: not-allowed;
  }
}
html[data-theme="dark"] body,
html[data-theme="light"] .dark-theme {
  color: #f2dac1;
  background-color: #292726;
}
html[data-theme="dark"] a,
html[data-theme="light"] .dark-theme a {
  color: #73a2d3;
}
html[data-theme="dark"] a:visited,
html[data-theme="light"] .dark-theme a:visited {
}
html[data-theme="dark"] :where(code, pre) {
  background-color: #393736;
  border-color: #494747;
}
html[data-theme="dark"] :where(input, select, textarea, button, datalist, option) {
  background-color: #494747;
  border-color: #696867;
}
html[data-theme="dark"] :where(input:disabled, select:disabled, textarea:disabled, button:disabled, datalist:disabled, option:disabled) {
  background-color: #2e2c2b;
  border-color: #343231;
  opacity: .4;
  cursor: not-allowed;
}
@media (prefers-color-scheme: light) {
  html:not([data-theme]) .dark-theme {
    color: #f2dac1;
    background-color: #292726;
  }
  html:not([data-theme]) .dark-theme a {
    color: #73a2d3;
  }
}


/***** Grubenwald
 */

body > header {
    background-color: #000;
    border-bottom: solid 1px #73a2d3;
}

body > header .site-title {
    text-align: center;
    margin-bottom: .5em;
}

body > header .site-title a {
    color: #73a2d3;
    font-size: 1.333em;
}

/* Navigation list */
body > header nav ul {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(0.35rem, 1.2vw, 1.25rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Each item should grow/shrink evenly */
body > header nav ul li {
  flex: 1 1 0;
  display: flex;
  justify-content: center;
}

/* Link becomes the interactive area */
body > header nav ul a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: min(100%, 4.75rem);   /* max size on wider screens */
  aspect-ratio: 1 / 1;
  text-decoration: none;
  border-bottom: solid 3px transparent;
  color: #73a2d3;
}

body > header nav ul a:hover,
body > header nav ul a:focus-visible,
body > header nav ul a[aria-current="page"],
body > header nav ul a[aria-current="location"] {
  border-bottom-color: currentColor;
}

/* Image scales with available width */
body > header nav ul img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.4;
  pointer-events: none; /* clicks land on the link */
}

/* Full opacity on hover, keyboard focus, and current page */
body > header nav ul a:hover img,
body > header nav ul a:focus-visible img,
body > header nav ul a[aria-current="page"] img,
body > header nav ul a[aria-current="location"] img {
  opacity: 1;
}

/* Optional small-screen adjustment */
@media (max-width: 40rem) {
  body > header nav ul {
    gap: clamp(0.2rem, 0.8vw, 0.5rem);
  }

  body > header nav ul a {
    width: min(100%, 3rem);
  }
}

/* Content */

h1 {
    margin-top: 2.25rem;
}

.facts {
    padding: 0 .5em;
}

.nowrap {
    white-space: nowrap;
}

/* Back to the top */

.scroll-links .layout-container {
    margin-top: 3em;
    text-align: center;
}

.back-to-top {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    color: inherit;
    text-decoration: none;
}

.back-to-top .icon {
    width: 2em;
    height: 2em;
    background: currentColor;
    mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill=\'white\' viewBox=\'0 0 24 24\'><path d=\'M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 15c-.55 0-1-.45-1-1v-4H8.41c-.89 0-1.34-1.08-.71-1.71l3.59-3.59c.39-.39 1.02-.39 1.41 0l3.59 3.59c.63.63.19 1.71-.71 1.71H13v4c0 .55-.45 1-1 1z\'/></svg>') no-repeat center;
    -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill=\'white\' viewBox=\'0 0 24 24\'><path d=\'M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 15c-.55 0-1-.45-1-1v-4H8.41c-.89 0-1.34-1.08-.71-1.71l3.59-3.59c.39-.39 1.02-.39 1.41 0l3.59 3.59c.63.63.19 1.71-.71 1.71H13v4c0 .55-.45 1-1 1z\'/></svg>') no-repeat center;
    mask-size: contain;
    -webkit-mask-size: contain;
    background-color: currentColor;
}

.back-to-top .label {
    font-size: 0.8889em;
    border-bottom: 2px solid transparent;
}

.back-to-top:hover .label,
.back-to-top:focus .label,
.back-to-top:active .label {
    border-bottom: none;
}

/* Theme toggle */

#theme-toggle {
    margin: 1em 0;
}

#theme-toggle-btn {
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    font: inherit;
    color: inherit;
    display: inline-flex;
    align-items: center;
    gap: 0.4em;
    cursor: pointer;
}

#theme-toggle-btn::before {
    content: "";
    display: inline-block;
    width: 1.2em;
    height: 1.2em;
    background-color: currentColor;
    mask: url('data:image/svg+xml;utf8,<svg fill="none" viewBox="0 0 24 24" stroke="white" xmlns="http://www.w3.org/2000/svg"><path d="M21 12.79A9 9 0 1111.21 3a7 7 0 009.79 9.79z"/></svg>') no-repeat center;
    -webkit-mask: url('data:image/svg+xml;utf8,<svg fill="none" viewBox="0 0 24 24" stroke="white" xmlns="http://www.w3.org/2000/svg"><path d="M21 12.79A9 9 0 1111.21 3a7 7 0 009.79 9.79z"/></svg>') no-repeat center;
    mask-size: contain;
    -webkit-mask-size: contain;
}

#theme-toggle-btn.theme-is-light::before {
    mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><circle cx='12' cy='12' r='5'/><line x1='12' y1='1' x2='12' y2='3'/><line x1='12' y1='21' x2='12' y2='23'/><line x1='4.22' y1='4.22' x2='5.64' y2='5.64'/><line x1='18.36' y1='18.36' x2='19.78' y2='19.78'/><line x1='1' y1='12' x2='3' y2='12'/><line x1='21' y1='12' x2='23' y2='12'/><line x1='4.22' y1='19.78' x2='5.64' y2='18.36'/><line x1='18.36' y1='5.64' x2='19.78' y2='4.22'/></svg>") no-repeat center;
    -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><circle cx='12' cy='12' r='5'/><line x1='12' y1='1' x2='12' y2='3'/><line x1='12' y1='21' x2='12' y2='23'/><line x1='4.22' y1='4.22' x2='5.64' y2='5.64'/><line x1='18.36' y1='18.36' x2='19.78' y2='19.78'/><line x1='1' y1='12' x2='3' y2='12'/><line x1='21' y1='12' x2='23' y2='12'/><line x1='4.22' y1='19.78' x2='5.64' y2='18.36'/><line x1='18.36' y1='5.64' x2='19.78' y2='4.22'/></svg>") no-repeat center;
}

/* Footer */

footer {
    margin-top: 4em;
    padding-top: 1em;
    font-size: 0.8889em;
}

footer,
html[data-theme="light"] footer,
.facts,
html[data-theme="light"] .facts {
    background-color: #eaceb2;
}

/* Dark theme overrides */

html[data-theme="dark"] footer,
html[data-theme="dark"] .facts {
    background-color: #272320;
}

@media (prefers-color-scheme: dark) {
    html:not([data-theme]) footer,
    html:not([data-theme]) .facts {
        background-color: #272320;
    }
}

/* Modified */