/* Homepage: an open field guide at the intersection of science and code.
   Colours follow the shared course palette in both light and dark themes. */
body:has(.mm-home) {
  --home-accent: var(--mm-accent-1);
  --home-on-accent: var(--mm-bg);
  --home-art: var(--mm-accent-1);
  --home-letter: var(--mm-surface);
  --home-rule: var(--mm-border);
  background: var(--mm-bg); color: var(--mm-text);
}
html:has(.mm-home) { scroll-behavior: smooth; scroll-padding-top: 0; }
body:has(.mm-home) #quarto-content { display: block; }
body:has(.mm-home) #title-block-header { display: none; }
body:has(.mm-home) main.content { max-width: 1400px; width: 100%; padding: 0 clamp(24px, 5.2vw, 80px); padding-top: 0 !important; margin: 0 auto; }
body:has(.mm-home) .nav-footer { color: var(--mm-text-muted); background: var(--mm-bg); font-size: 11px; padding-top: 24px; }
body:has(.mm-home) .nav-footer a { color: var(--mm-text); }
.mm-home { padding-bottom: 0; font-family: "IBM Plex Sans", sans-serif; }
.mm-home *, .mm-home *::before, .mm-home *::after { box-sizing: border-box; }
/* Quarto's anchor spacer would become a grid item in the creator letter. */
.mm-home section::before { content: none !important; }
#quarto-document-content .mm-home :is(h1, h2, h3) { color: var(--mm-text); border: 0; padding: 0; font-weight: 400; }
#quarto-document-content .mm-home h2 { font-size: clamp(32px, 3.4vw, 49px); line-height: 1.14; letter-spacing: -1.8px; margin: 0; }
.mm-home h1 em, .mm-home h2 em { font-family: "Source Serif 4", Georgia, serif; font-weight: 600; letter-spacing: -.055em; color: var(--home-accent); }
.mm-home a { text-decoration: none; }
.mm-home a:focus-visible, .mm-home summary:focus-visible { outline: 2px solid var(--home-accent); outline-offset: 6px; border-radius: 3px; }
.mm-home .mm-label { display: flex; align-items: center; gap: 18px; font: 10px/1.6 "JetBrains Mono", monospace; letter-spacing: 1.2px; color: var(--mm-text-muted); margin: 0; }
.mm-label > span { color: var(--home-accent); }
.mm-front-hero { border-bottom: 1px solid var(--home-rule); }
.mm-front-composition { display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 1%; padding-block: 56px 48px; }
.mm-front-copy { position: relative; z-index: 1; }
#quarto-document-content .mm-home h1 { font-size: clamp(72px, 7.9vw, 113px); line-height: .99; letter-spacing: -.065em; margin: 0 0 30px -5px; }
.mm-home h1 em { display: inline-block; font-size: .94em; line-height: 1.16; }
.mm-front-intro { font-size: clamp(16px, 1.6vw, 21px); letter-spacing: -.35px; margin: 0 0 12px; }
.mm-front-description { color: var(--mm-text-muted); max-width: 380px; font-size: 15px; line-height: 1.8; margin-bottom: 28px; }
.mm-front-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 28px; }
.mm-primary-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 35px; min-height: 49px; padding: 13px 20px; border: 1px solid var(--home-accent); border-radius: 3px; background: var(--home-accent); color: var(--home-on-accent); font-size: 13px; font-weight: 500; transition: transform 200ms, box-shadow 200ms; }
.mm-primary-link:hover { color: var(--home-on-accent); transform: translateY(-3px); box-shadow: 0 8px 24px #0002; }
.mm-primary-link > span { font-size: 20px; line-height: 1; }
.mm-text-link { display: inline-flex; align-items: center; gap: 18px; padding: 12px 0; border-bottom: 1px solid var(--home-rule); color: var(--mm-text); font-size: 12px; transition: border-color 200ms; }
.mm-text-link:hover { color: var(--home-accent); border-color: var(--home-accent); }
/* The original wireframe, with a quiet highlight and no endpoint annotations. */
.mm-connection-art { position: relative; width: 100%; aspect-ratio: 1; color: var(--home-art); isolation: isolate; }
.mm-connection-art::before { content: ""; position: absolute; inset: 10% -5%; border-radius: 50%; background: radial-gradient(ellipse at 50% 43%, color-mix(in srgb, var(--home-art) 8%, transparent), transparent 65%); z-index: -1; }
.mm-art-sculpture { position: absolute; inset: -3%; width: 106%; height: 106%; overflow: visible; animation: mm-field-arrive 1.6s cubic-bezier(.2,.7,.2,1) backwards; transition: transform 1100ms cubic-bezier(.2,.7,.2,1); }
.mm-art-highlight { color: var(--mm-text); opacity: .28; }
.mm-art-orbit { position: absolute; width: 99%; height: 48%; left: 1%; top: 28%; border: 1px solid color-mix(in srgb, var(--home-art) 19%, transparent); border-radius: 50%; transform: rotate(-31deg); }
.mm-art-orbit-two { width: 87%; height: 82%; left: 7%; top: 10%; transform: rotate(28deg); border-style: dashed; opacity: .35; }
@media (hover: hover) and (pointer: fine) {
  .mm-connection-art:hover .mm-art-sculpture { transform: translateY(-2px) rotate(-1deg); }
}
.mm-course-explorer, .mm-practice { padding-top: 73px; scroll-margin-top: 25px; }
.mm-section-topline { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.mm-explorer-heading { display: grid; grid-template-columns: 1.2fr 1fr; align-items: end; gap: 7%; margin: 32px 0 42px; }
.mm-explorer-heading > div { padding-bottom: 3px; }
.mm-explorer-heading > div > p { color: var(--mm-text-muted); font-size: 14px; line-height: 1.85; max-width: 430px; margin: 0; }
.mm-track { border-top: 1px solid var(--home-rule); }
.mm-track:last-child { border-bottom: 1px solid var(--home-rule); }
.mm-track > summary { display: grid; grid-template-columns: 57px 1fr auto 36px; align-items: center; gap: 20px; padding: 26px 17px 26px 5px; list-style: none; cursor: pointer; transition: background 200ms; }
.mm-track > summary::-webkit-details-marker, .mm-network-details > summary::-webkit-details-marker { display: none; }
.mm-track > summary:hover { background: color-mix(in srgb, var(--track-accent) 4%, transparent); }
.mm-track-number { font: 11px "JetBrains Mono", monospace; color: var(--track-accent); padding-left: 11px; }
.mm-track-copy { display: flex; flex-direction: column; gap: 5px; }
.mm-track-name { font-size: 24px; line-height: 1.25; letter-spacing: -.7px; font-weight: 400; color: var(--mm-text); }
.mm-track-description { font-size: 12px; color: var(--mm-text-muted); }
.mm-track-state { font: 9px "JetBrains Mono", monospace; color: var(--mm-text-muted); }
.mm-track[open] .mm-track-state { color: var(--track-accent); }
.mm-track-toggle, .mm-disclosure-icon { display: flex; align-items: center; justify-content: center; width: 29px; height: 29px; border: 1px solid var(--home-rule); border-radius: 50%; color: var(--mm-text-muted); font-size: 19px; font-weight: 300; transition: transform 240ms, background 240ms; }
.mm-track[open] .mm-track-toggle { transform: rotate(45deg); background: var(--track-accent); color: var(--mm-bg); border-color: var(--track-accent); }
.mm-track-chapters { display: grid; margin: 0 73px 26px 82px; border-left: 1px solid color-mix(in srgb, var(--track-accent) 27%, transparent); padding-left: 24px; }
.mm-chapter-row { display: grid; grid-template-columns: 29px 1fr auto 18px; align-items: center; gap: 16px; position: relative; padding: 13px 0; min-height: 49px; border-bottom: 1px solid color-mix(in srgb, var(--home-rule) 55%, transparent); color: var(--mm-text); transition: color 180ms, background 180ms; }
.mm-chapter-row:last-child { border-bottom: 0; }
.mm-chapter-row::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--track-accent); position: absolute; left: -27px; top: calc(50% - 2.5px); box-shadow: 0 0 0 4px var(--mm-bg); }
.mm-chapter-row.is-planned::before { background: var(--mm-bg); border: 1px solid var(--mm-text-muted); }
.mm-chapter-number { font: 9px "JetBrains Mono", monospace; color: var(--mm-text-muted); }
.mm-chapter-title { font-size: 13px; line-height: 1.5; }
.mm-chapter-state { font: 9px "JetBrains Mono", monospace; color: var(--track-accent); }
.mm-chapter-row.is-planned .mm-chapter-state, .mm-chapter-row.is-planned .mm-chapter-title { color: var(--mm-text-muted); }
.mm-chapter-arrow { color: var(--track-accent); font-size: 16px; transition: transform 200ms; }
.mm-chapter-row:hover .mm-chapter-title { color: var(--track-accent); }
.mm-chapter-row:hover .mm-chapter-arrow { transform: translate(2px, -2px); }
.mm-network-details { margin-top: 17px; border: 1px solid var(--home-rule); border-radius: 4px; }
.mm-network-details > summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 17px 23px; list-style: none; font-size: 12px; cursor: pointer; }
.mm-network-details > summary > span:first-child { display: flex; align-items: center; gap: 13px; }
.mm-network-details > summary svg { color: var(--home-accent); }
.mm-network-details[open] .mm-disclosure-icon { transform: rotate(45deg); }
.mm-network-details .mm-metro { margin: 10px 20px 0; padding-top: 20px; border-top: 1px solid var(--home-rule); overflow: auto; }
.mm-network-details .mm-metro svg { max-width: 100%; }
.mm-network-details .mm-metro-legend { font-size: 10px; padding: 0 24px 10px; margin: 8px 0 16px; }
.mm-network-details .mm-metro-spark, .mm-network-details .mm-metro-spark-glow, .mm-network-details .mm-metro-halo { display: none; }
.mm-network-details .mm-metro * { animation: none !important; }
.mm-letter { display: grid; grid-template-columns: 1fr 1.12fr; gap: 9%; padding: 52px; margin-top: 85px; border: 1px solid color-mix(in srgb, var(--home-accent) 13%, transparent); background: var(--home-letter); border-radius: 4px; scroll-margin-top: 25px; }
.mm-letter .mm-label { font-size: 9px; }
#quarto-document-content .mm-letter h2 { font-size: clamp(28px, 2.9vw, 42px); margin-top: 37px; line-height: 1.2; }
.mm-letter-greeting { display: block; font-size: 12px; color: var(--home-accent); margin-bottom: 25px; }
.mm-letter-body > p { font-size: 13px; line-height: 1.9; color: var(--mm-text-muted); margin: 0 0 18px; }
.mm-letter-body > .mm-letter-lead { font-size: 18px; line-height: 1.65; color: var(--mm-text); letter-spacing: -.2px; }
.mm-letter-signoff { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 29px; padding-top: 22px; border-top: 1px solid var(--home-rule); }
.mm-signature { display: block; color: var(--home-accent); font: italic 27px "Source Serif 4", Georgia, serif; letter-spacing: -1.7px; }
.mm-signature-caption { display: block; font-size: 9px; color: var(--mm-text-muted); margin-top: 7px; }
.mm-circle-link { width: 42px; height: 42px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; border: 1px solid var(--home-rule); border-radius: 50%; color: var(--mm-text); font-size: 20px; transition: color 200ms, background 200ms; }
.mm-circle-link:hover { background: var(--home-accent); color: var(--home-on-accent); }
.mm-practice { padding-top: 85px; }
.mm-practice-heading { display: flex; align-items: end; justify-content: space-between; gap: 8%; margin-top: 35px; }
.mm-practice-heading > p { max-width: 300px; font-size: 14px; line-height: 1.8; color: var(--mm-text-muted); margin: 0 0 4px; }
.mm-practice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5%; margin-top: 44px; }
.mm-practice-grid article { padding-top: 25px; border-top: 1px solid var(--home-rule); }
.mm-practice-symbol { display: flex; align-items: center; gap: 20px; color: var(--home-accent); }
.mm-practice-symbol svg { width: 43px; height: 43px; }
#quarto-document-content .mm-practice h3 { font-size: 20px; line-height: 1.3; letter-spacing: -.5px; margin: 23px 0 12px; }
.mm-practice-grid article > p { font-size: 12px; line-height: 1.9; color: var(--mm-text-muted); }
.mm-background-link { display: inline-flex; align-items: center; gap: 25px; font-size: 11px; color: var(--mm-text); padding: 12px 0; margin-top: 17px; border-bottom: 1px solid var(--home-rule); }
.mm-background-link:hover { color: var(--home-accent); border-color: var(--home-accent); }
.mm-final-invitation { display: flex; align-items: center; justify-content: space-between; gap: 40px; margin-top: 88px; padding: 57px 6% 64px; border-block: 1px solid var(--home-rule); background: radial-gradient(ellipse at 85% 100%, color-mix(in srgb, var(--home-accent) 5%, transparent), transparent 65%); }
#quarto-document-content .mm-final-invitation h2 { font-size: clamp(36px, 4vw, 58px); }
.mm-final-invitation p:last-child { color: var(--mm-text-muted); font-size: 12px; line-height: 1.9; margin-top: 23px; margin-bottom: 0; }
.mm-start-orbit { display: flex; flex-direction: column; justify-content: center; align-items: center; flex-shrink: 0; width: 150px; height: 150px; border: 1px solid color-mix(in srgb, var(--home-accent) 45%, transparent); border-radius: 50%; color: var(--home-accent); transition: color 250ms, background 250ms, transform 250ms; }
.mm-start-orbit > span:first-child { font: 46px/1.2 "IBM Plex Sans", sans-serif; margin-bottom: 9px; }
.mm-start-orbit > span:last-child { font-size: 11px; }
.mm-start-orbit:hover { color: var(--home-on-accent); background: var(--home-accent); transform: rotate(-5deg); }
.mm-home-colophon { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 28px 0; font-size: 10px; color: var(--mm-text-muted); }
.mm-home-colophon > span:first-child { font-weight: 500; color: var(--mm-text); font-size: 13px; letter-spacing: -.3px; }
.mm-home-colophon a { color: var(--mm-text-muted); }
.mm-home-colophon a span { margin-left: 15px; }
@keyframes mm-field-arrive { from { opacity: 0; transform: rotate(-4deg) scale(.98); } to { opacity: 1; transform: none; } }
@supports (interpolate-size: allow-keywords) {
  .mm-track, .mm-network-details { interpolate-size: allow-keywords; }
  .mm-track::details-content, .mm-network-details::details-content { block-size: 0; overflow: clip; transition: block-size 320ms cubic-bezier(.2,.7,.2,1), content-visibility 320ms allow-discrete; }
  .mm-track[open]::details-content, .mm-network-details[open]::details-content { block-size: auto; }
}
@media (min-width: 1600px) { .mm-front-composition { padding-block: 64px 56px; } }
@media (max-width: 1100px) {
  #quarto-document-content .mm-home h1 { font-size: clamp(66px, 8.6vw, 94px); }
  .mm-front-actions { gap: 15px; }
  .mm-primary-link { gap: 24px; padding-inline: 17px; }
  .mm-text-link { font-size: 11px; gap: 10px; }
  .mm-connection-art { align-self: center; }
  .mm-letter { padding: 38px; gap: 7%; }
  .mm-track > summary { grid-template-columns: 40px 1fr auto 30px; }
  .mm-track-chapters { margin-left: 64px; margin-right: 65px; }
  .mm-practice-heading { gap: 5%; }
}
@media (max-width: 767.98px) {
  body:has(.mm-home) main.content { padding-inline: 24px; }
  .mm-front-composition { grid-template-columns: 1fr; padding: 48px 0 28px; gap: 25px; }
  #quarto-document-content .mm-home h1 { font-size: clamp(66px, 13.7vw, 100px); margin-bottom: 22px; margin-left: -3px; }
  .mm-front-intro { font-size: 17px; }
  .mm-front-description { font-size: 14px; max-width: 420px; line-height: 1.8; margin-bottom: 25px; }
  .mm-front-actions { gap: 22px; }
  .mm-primary-link { min-height: 47px; font-size: 12px; }
  .mm-text-link { font-size: 11px; }
  .mm-connection-art { width: 88%; max-width: 410px; margin: 0 auto; }
  .mm-art-sculpture { inset: -4%; width: 108%; height: 108%; }
  .mm-course-explorer, .mm-practice { padding-top: 49px; }
  .mm-home .mm-label { font-size: 8px; letter-spacing: .9px; gap: 13px; }
  .mm-explorer-heading { grid-template-columns: 1fr; gap: 22px; margin-block: 25px 29px; }
  #quarto-document-content .mm-home h2 { font-size: 34px; letter-spacing: -1.4px; }
  .mm-explorer-heading > div > p { font-size: 13px; }
  .mm-track > summary { grid-template-columns: 24px 1fr 27px; gap: 12px; padding: 22px 0; }
  .mm-track-number { padding-left: 0; font-size: 10px; }
  .mm-track-name { font-size: 21px; }
  .mm-track-description { font-size: 10px; max-width: 240px; line-height: 1.6; }
  .mm-track-state { grid-column: 2; grid-row: 2; font-size: 8px; margin-top: -5px; }
  .mm-track-toggle { grid-column: 3; grid-row: 1 / 3; width: 26px; height: 26px; }
  .mm-track-chapters { margin: 0 0 22px 36px; padding-left: 17px; }
  .mm-chapter-row { grid-template-columns: 22px 1fr 14px; gap: 8px; padding: 12px 0; }
  .mm-chapter-row::before { left: -20px; }
  .mm-chapter-title { font-size: 12px; }
  .mm-chapter-number { font-size: 8px; }
  .mm-chapter-state { grid-column: 2; grid-row: 2; font-size: 8px; margin-top: -5px; }
  .mm-chapter-arrow { grid-column: 3; grid-row: 1 / 3; }
  .mm-network-details > summary { padding: 14px; font-size: 11px; }
  .mm-network-details .mm-metro { margin-inline: 8px; }
  .mm-network-details .mm-metro svg { min-width: 720px; }
  .mm-network-details .mm-metro-legend { font-size: 9px; padding-inline: 15px; }
  .mm-letter { grid-template-columns: 1fr; padding: 29px 25px; margin-top: 49px; gap: 31px; }
  #quarto-document-content .mm-letter h2 { margin-top: 25px; font-size: 32px; }
  .mm-letter-greeting { margin-bottom: 17px; font-size: 11px; }
  .mm-letter-body > .mm-letter-lead { font-size: 17px; }
  .mm-letter-body > p { font-size: 12px; }
  .mm-signature-caption { font-size: 8px; }
  .mm-practice-heading { display: block; margin-top: 25px; }
  .mm-practice-heading > p { max-width: 100%; font-size: 13px; margin-top: 20px; }
  .mm-practice-grid { grid-template-columns: 1fr; gap: 23px; margin-top: 27px; }
  .mm-practice-grid article { padding-top: 21px; }
  .mm-practice-symbol svg { width: 36px; height: 36px; }
  #quarto-document-content .mm-practice h3 { margin-top: 16px; font-size: 21px; }
  .mm-practice-grid article > p { font-size: 13px; margin-bottom: 0; max-width: 450px; }
  .mm-background-link { font-size: 10px; gap: 15px; margin-top: 22px; }
  .mm-final-invitation { margin-top: 50px; padding: 35px 0; gap: 25px; align-items: flex-start; }
  #quarto-document-content .mm-final-invitation h2 { font-size: 29px; }
  .mm-final-invitation p:last-child { font-size: 11px; margin-top: 18px; }
  .mm-start-orbit { width: 83px; height: 83px; margin-top: 40px; }
  .mm-start-orbit > span:first-child { font-size: 26px; margin-bottom: 3px; }
  .mm-start-orbit > span:last-child { font-size: 9px; }
  .mm-home-colophon { flex-wrap: wrap; padding: 22px 0; gap: 13px; font-size: 9px; }
  .mm-home-colophon > span:first-child { font-size: 12px; }
  .mm-home-colophon a span { margin-left: 7px; }
}
@media (max-width: 374px) {
  body:has(.mm-home) main.content { padding-inline: 19px; }
  #quarto-document-content .mm-home h1 { font-size: 61px; }
  .mm-front-actions { gap: 14px; }
  .mm-primary-link { gap: 19px; padding-inline: 14px; }
  .mm-text-link { font-size: 10px; gap: 6px; }
  .mm-letter { padding-inline: 20px; }
  .mm-final-invitation { flex-direction: column; }
  .mm-start-orbit { margin-top: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html:has(.mm-home) { scroll-behavior: auto; }
  .mm-home *, .mm-home *::before, .mm-home *::after, .mm-track::details-content, .mm-network-details::details-content { animation: none !important; transition: none !important; }
  .mm-connection-art:hover .mm-art-sculpture { transform: none; }
}
@media print {
  body:has(.mm-home) { background: #fff; color: #000; }
  .mm-front-composition { padding: 20px 0; grid-template-columns: 1fr; }
  .mm-connection-art, .mm-front-actions, .mm-start-orbit, .mm-network-details, .mm-home-colophon { display: none; }
  #quarto-document-content .mm-home h1 { font-size: 60px; }
  .mm-course-explorer, .mm-practice { padding-top: 25px; }
  .mm-letter, .mm-final-invitation { margin-top: 30px; padding: 25px; }
  .mm-track, .mm-letter, .mm-practice-grid article { break-inside: avoid; }
  .mm-track::details-content { content-visibility: visible; block-size: auto; }
  .mm-home a { color: inherit; }
}