:root{
  --bg:#ffffff;
  --text:#0b0b0d;
  --muted:#3f3f44;
  --faint:#6b6b73;
  --rule:#e6e6ea;
  --accent:#CC444B;
  --max:1060px;
  --gutter:20px;
  --space-1:8px;
  --space-2:12px;
  --space-3:16px;
  --space-4:24px;
  --space-5:40px;
  --space-6:64px;
  --space-7:96px;
  --radius:0px;
  --sans:"Noto Sans", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  --serif:"Noto Serif", ui-serif, Georgia, "Times New Roman", Times, serif;
  --mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  --lh:1.5;
}

*{ box-sizing:border-box; }
html{ color-scheme:light; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  line-height:var(--lh);
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}

html{ scroll-behavior:smooth; }
img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration-thickness:1px; text-underline-offset:3px; }
a:hover{ text-decoration-color:var(--accent); }
a:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}

/* rch pixel cat (as specified) */
#rch-cat {
  position: fixed;
  bottom: 16px;
  left: -160px;

  width: 64px;
  height: 64px;

  background-image: url("img/rch-cat/cat-walk-sprite.png");
  background-repeat: no-repeat;
  background-size: 384px 64px;

  image-rendering: pixelated;

  z-index: 9999;
  pointer-events: none;

  transform: scale(2);
  transform-origin: left bottom;

  animation: none;
}

#rch-cat.walking{
  animation:
    rch-cat-walk-frames 0.7s steps(6) infinite,
    rch-cat-move 8s linear forwards;
}

@keyframes rch-cat-walk-frames {
  from { background-position: 0 0; }
  to { background-position: -384px 0; }
}

@keyframes rch-cat-move {
  from { left: -160px; }
  to { left: calc(100vw - 152px); }
}

#rch-cat.sitting {
  left: auto;
  right: 24px;

  background-image: url("img/rch-cat/cat-sit.png");
  background-size: 64px 64px;

  transform: scale(2);
  transform-origin: right bottom;

  pointer-events: auto;
  cursor: pointer;

  animation: none;
}

#rch-cat-bubble {
  position: fixed;
  left: 0;
  top: 0;

  padding: 6px 10px;

  border: 1px solid #111;
  background: #fff;
  color: #111;

  font-family: "Noto Sans", sans-serif;
  font-size: 13px;
  line-height: 1;

  opacity: 0;
  transform: translateY(6px);
  transition: opacity 240ms ease, transform 240ms ease;

  z-index: 10000;
  pointer-events: none;
}

#rch-cat-bubble.visible {
  opacity: 1;
  transform: translateY(0);
}

#rch-cat-type{
  position: fixed;
  left: 0;
  top: 0;
  z-index: 10001;
  pointer-events: none;

  font-family: "Press Start 2P", var(--mono);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #111;

  text-shadow: 0 2px 0 rgba(255,255,255,0.9);
  white-space: nowrap;
}

@media (max-width: 720px){
  #rch-cat-type{
    font-size: 10px;
    max-width: min(240px, calc(100vw - 100px));
    white-space: normal;
    text-align: right;
  }
  #rch-cat.sitting{
    transform: scale(1.5);
  }
}

.container{
  max-width:var(--max);
  margin:0 auto;
  padding:0 var(--gutter);
}

.skip-link{
  position:absolute;
  top:0;
  left:0;
  transform:translateY(-120%);
  background:var(--bg);
  border:1px solid var(--rule);
  padding:10px 12px;
  z-index:9999;
}
.skip-link:focus{ transform:translateY(0); }

.site-header{
  position:relative;
  z-index:50;
  background:var(--bg);
  border-bottom:1px solid var(--rule);
}
.site-header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--space-3);
  padding:14px 0;
}

.brand{
  display:flex;
  align-items:baseline;
  gap:10px;
  text-decoration:none;
}
.brand-mark{
  font-weight:800;
  letter-spacing:-0.01em;
  font-size:15px;
}
.brand-sub{
  font-size:12px;
  color:var(--faint);
  letter-spacing:0.02em;
}

.nav{
  display:flex;
  align-items:center;
  gap:18px;
}
.nav a{
  text-decoration:none;
  font-weight:600;
  font-size:14px;
  letter-spacing:0.01em;
  padding:6px 0;
  border-bottom:1px solid transparent;
}
.nav a[aria-current="page"]{
  border-bottom-color:var(--accent);
}
.nav a:hover{
  border-bottom-color:color-mix(in srgb, var(--accent) 55%, transparent);
}

.nav-toggle{
  display:none;
  appearance:none;
  background:transparent;
  border:1px solid var(--rule);
  padding:8px 10px;
  font:inherit;
  border-radius:var(--radius);
}
.nav-toggle span{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.06em;
}

main{ padding:var(--space-6) 0 var(--space-7); }

.page-hero{
  padding:var(--space-6) 0 var(--space-5);
}
.kicker{
  color:var(--faint);
  font-weight:600;
  letter-spacing:0.08em;
  text-transform:uppercase;
  font-size:12px;
  margin:0 0 var(--space-3);
}
h1{
  margin:0;
  font-size:40px;
  line-height:1.06;
  letter-spacing:-0.02em;
  font-weight:800;
}

.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap:var(--space-5);
  align-items:start;
}
.hero-copy{ min-width:0; }
.hero-media{
  position:relative;
  width:100%;
  max-width:512px;
  justify-self:start;
  border:1px solid var(--rule);
  border-radius:0;
  overflow:hidden;
  transition:border-radius 14000ms cubic-bezier(0.16, 1, 0.3, 1), border-color 400ms ease;
}
.hero-photo,
.hero-video{
  width:100%;
  height:auto;
  display:block;
}
.hero-video{
  position:absolute;
  inset:0;
  opacity:0;
  pointer-events:none;
}
.hero-photo,
.hero-video{
  transition:opacity 220ms ease;
}
.hero-media[data-playing="true"] .hero-video{
  opacity:1;
}
.hero-media[data-playing="true"] .hero-photo{
  opacity:0;
}
.hero-media:hover,
.hero-media[data-playing="true"]{
  border-radius:999px;
  border-color:color-mix(in srgb, var(--accent) 35%, var(--rule));
}
.lede{
  margin:var(--space-3) 0 0;
  max-width:68ch;
  color:var(--muted);
  font-size:16px;
}

.work-brief{
  margin:0;
  padding:var(--space-5) 0 0;
}
.work-brief-list{
  margin:0 0 var(--space-3);
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px 10px;
}
.work-brief-list a{
  color:var(--text);
  text-decoration:none;
  border-bottom:1px solid var(--rule);
  padding-bottom:1px;
  font-weight:600;
}
.work-brief-list a:hover{
  border-bottom-color:var(--accent);
  color:var(--accent);
}
.work-brief-list span{
  color:var(--faint);
}

.contact-section{
  padding-bottom:var(--space-2);
}

.archive-item h3 a{
  color:inherit;
  text-decoration:none;
  border-bottom:1px solid transparent;
}
.archive-item h3 a:hover{
  border-bottom-color:color-mix(in srgb, var(--accent) 55%, transparent);
}

.rule{
  margin:var(--space-6) 0;
  border:0;
  border-top:1px solid var(--rule);
}
.rule-accent{
  margin:var(--space-6) 0;
  border:0;
  border-top:1px solid color-mix(in srgb, var(--accent) 55%, var(--rule));
}

.section{
  padding:var(--space-5) 0;
}
.section-title{
  margin:0 0 var(--space-3);
  font-size:20px;
  line-height:1.25;
  font-weight:800;
  letter-spacing:-0.01em;
}
.text{
  max-width:72ch;
  color:var(--muted);
  font-size:16px;
}
.text p{ margin:0 0 var(--space-3); }
.text p:last-child{ margin-bottom:0; }

.cta{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  border-bottom:1px solid var(--accent);
  padding-bottom:2px;
  font-weight:700;
}
.cta:hover{ color:var(--accent); }
.meta-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px 14px;
  color:var(--faint);
  font-size:13px;
}
.meta-row span{ white-space:nowrap; }
.dot::before{
  content:"·";
  margin:0 10px 0 0;
  color:color-mix(in srgb, var(--faint) 60%, transparent);
}

.archive{
  display:grid;
  gap:var(--space-4);
}
.archive-item{
  padding:var(--space-4) 0;
  border-top:1px solid var(--rule);
}
.archive-item:first-child{ border-top:0; padding-top:0; }
.archive-item h3{
  margin:0 0 var(--space-2);
  font-size:18px;
  font-weight:800;
  letter-spacing:-0.01em;
}
.archive-item p{
  margin:0 0 var(--space-2);
  color:var(--muted);
  max-width:78ch;
}
.archive-item .why{
  margin:var(--space-2) 0 0;
  padding-left:18px;
  color:var(--muted);
}
.archive-item .why li{ margin:6px 0; }

.writing-list{
  margin:0;
  padding:0;
  list-style:none;
  border-top:1px solid var(--rule);
}
.writing-item{
  display:grid;
  grid-template-columns:110px 1fr;
  gap:14px;
  padding:16px 0;
  border-bottom:1px solid var(--rule);
}
.writing-date{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.06em;
  color:var(--faint);
}
.writing-title{
  margin:0;
  font-size:16px;
  font-weight:800;
  letter-spacing:-0.01em;
}
.writing-desc{
  margin:6px 0 0;
  color:var(--muted);
  max-width:76ch;
}

.stories-list{
  margin:0;
  padding:0;
  list-style:none;
  border-top:1px solid var(--rule);
}
.story-entry{
  padding:var(--space-5) 0;
  border-bottom:1px solid var(--rule);
}
.story-entry:first-child{
  padding-top:var(--space-4);
}
.story-entry-title{
  margin:0 0 6px;
  font-size:20px;
  font-weight:800;
  letter-spacing:-0.01em;
  line-height:1.2;
  font-family:var(--sans);
}
.story-entry-title a{
  color:inherit;
  text-decoration:none;
}
.story-entry-title a:hover{
  text-decoration:underline;
  text-underline-offset:3px;
}
.story-entry-place{
  margin:0 0 var(--space-3);
  font-size:13px;
  font-weight:600;
  letter-spacing:0.03em;
  color:var(--muted);
  font-family:var(--sans);
}
.story-entry-body{
  max-width:72ch;
  color:var(--muted);
  font-size:16px;
  line-height:1.65;
}
.story-entry-body p{
  margin:0 0 0.85em;
}
.story-entry-body p:last-child{
  margin-bottom:0;
}

.story .prose{
  font-family:var(--serif);
}
.story main .lede{
  font-family:var(--serif);
}
.story h1{
  font-family:var(--sans);
}
.prose{
  max-width:72ch;
  color:var(--text);
  font-size:18px;
  line-height:1.7;
}
.prose p{ margin:0 0 1.1em; }
.prose h2{
  margin:2.2em 0 0.6em;
  font-family:var(--sans);
  font-size:18px;
  letter-spacing:-0.01em;
}
.prose > h2:first-child{
  margin-top:0;
}
.pullquote{
  margin:2em 0;
  padding:0 0 0 18px;
  border-left:1px solid var(--accent);
  color:color-mix(in srgb, var(--text) 92%, var(--muted));
  font-size:20px;
  line-height:1.5;
}
.pullquote cite{
  display:block;
  margin-top:10px;
  color:var(--faint);
  font-style:normal;
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:0.08em;
  text-transform:uppercase;
}

.prose blockquote.story-parable{
  margin:1.35em 0 1.65em;
  padding:0 0 0 1.1rem;
  border-left:3px solid color-mix(in srgb, var(--accent) 55%, var(--rule));
  color:var(--muted);
  font-size:17px;
  line-height:1.65;
}
.prose blockquote.story-parable p{
  margin:0 0 0.9em;
}
.prose blockquote.story-parable p:last-child{
  margin-bottom:0;
}

.story .story-figure{
  margin:0 0 1.85rem;
  padding:0;
  border:1px solid var(--rule);
  border-radius:14px;
  overflow:hidden;
  background:color-mix(in srgb, var(--bg) 88%, var(--rule));
  box-shadow:0 14px 42px color-mix(in srgb, var(--text) 7%, transparent);
}
.story .story-figure img{
  display:block;
  width:100%;
  height:auto;
  vertical-align:middle;
}
.story .story-figure figcaption{
  margin:0;
  padding:12px 16px 14px;
  font-family:var(--sans);
  font-size:12px;
  line-height:1.45;
  letter-spacing:0.04em;
  color:var(--faint);
  text-align:center;
  border-top:1px solid var(--rule);
  background:var(--bg);
}

.site-footer{
  border-top:1px solid var(--rule);
  padding:var(--space-4) 0;
  color:var(--faint);
  font-size:13px;
}
.footer-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.footer-links{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.footer-links a{
  text-decoration:none;
  border-bottom:1px solid transparent;
}
.footer-links a:hover{ border-bottom-color:color-mix(in srgb, var(--accent) 55%, transparent); }

@media (max-width: 720px){
  h1{ font-size:32px; }
  main{ padding:var(--space-5) 0 var(--space-6); }
  .page-hero{ padding:var(--space-5) 0 var(--space-4); }
  .lede{ font-size:15px; }
  .site-header-inner{
    padding-top:18px;
    padding-left:4px;
  }
  .nav-toggle{ margin-right:4px; }
  .hero-grid{
    grid-template-columns:1fr;
    gap:var(--space-4);
  }
  .hero-copy{
    order:-1;
  }
  .hero-media{
    justify-self:start;
    max-width:448px;
  }
  .nav{ display:none; }
  .nav-toggle{ display:inline-flex; }
  .nav[data-open="true"]{
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    gap:10px;
    position:absolute;
    right:var(--gutter);
    top:58px;
    padding:12px 14px;
    background:var(--bg);
    border:1px solid var(--rule);
  }
  .writing-item{
    grid-template-columns:1fr;
    gap:8px;
  }
}

/* Build page */
.build-page .page-hero{
  padding:var(--space-6) 0 var(--space-5);
}
.build-index{
  padding:var(--space-4) 0 var(--space-6);
  border-top:1px solid var(--rule);
}
.build-index-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px 18px;
  padding-top:var(--space-2);
}
.build-index-link{
  display:flex;
  align-items:baseline;
  gap:10px;
  text-decoration:none;
  border-bottom:1px solid transparent;
  padding:10px 0;
  font-weight:800;
  letter-spacing:-0.01em;
}
.build-index-num{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.08em;
  color:var(--faint);
}
.build-index-link[aria-current="true"]{
  border-bottom-color:var(--accent);
  color:var(--accent);
}

.build-theme{
  display:grid;
  grid-template-columns: 280px 1fr;
  gap:var(--space-5);
  padding:var(--space-6) 0;
  border-top:1px solid var(--rule);
}
.build-theme-rail{
  position:sticky;
  top:92px;
  align-self:start;
}
.build-theme-kicker{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.12em;
  color:var(--faint);
  margin-bottom:10px;
}
.build-theme-title{
  margin:0;
  font-size:22px;
  line-height:1.15;
  font-weight:800;
  letter-spacing:-0.01em;
}
.build-theme-thesis{
  margin:var(--space-2) 0 0;
  color:var(--muted);
  font-weight:700;
  max-width:26ch;
}
.build-theme-why{
  margin:0;
  color:var(--muted);
  font-size:16px;
  max-width:72ch;
}

.build-work-prose p{
  margin:0 0 var(--space-3);
  color:var(--muted);
  font-size:16px;
  line-height:1.55;
  max-width:72ch;
}
.build-work-prose p:last-child{
  margin-bottom:0;
}

.build-work-primary .build-subtitle{
  margin-bottom:var(--space-2);
  font-size:20px;
  line-height:1.2;
  letter-spacing:-0.01em;
}
.build-work-primary + .build-work-primary{
  margin-top:var(--space-5);
  padding-top:var(--space-4);
  border-top:1px solid var(--rule);
}
.build-work-secondary{
  margin-top:var(--space-5);
  padding-top:var(--space-4);
  border-top:1px solid var(--rule);
  font-size:14px;
  line-height:1.55;
}
.build-work-secondary .build-subtitle{
  margin-bottom:var(--space-2);
  font-size:12px;
  letter-spacing:0.06em;
  color:var(--faint);
}
.build-work-more-list{
  margin:0;
  padding-left:18px;
  color:var(--muted);
  font-size:14px;
  line-height:1.55;
  max-width:72ch;
}
.build-work-more-list li{
  margin:10px 0;
}
.build-work-more-list li:first-child{
  margin-top:0;
}
.build-work-more-list li:last-child{
  margin-bottom:0;
}
.build-work-more-list strong{
  color:var(--text);
  font-weight:800;
}

.build-work-closer{
  margin:0;
  padding:var(--space-5) 0 var(--space-7);
  padding-left:var(--space-4);
  border-left:3px solid var(--accent);
  color:var(--muted);
  font-family:var(--serif);
  font-size:18px;
  line-height:1.5;
  max-width:52ch;
}
.build-work-closer p{
  margin:0 0 var(--space-2);
}
.build-work-closer p:last-child{
  margin-bottom:0;
  color:var(--text);
  font-size:19px;
}

.build-projects{
  margin-top:var(--space-4);
  border-top:1px solid var(--rule);
}
.build-project{
  border-bottom:1px solid var(--rule);
}
.build-project-head{
  width:100%;
  appearance:none;
  border:0;
  background:transparent;
  padding:14px 0;
  font:inherit;
  display:grid;
  grid-template-columns: 1fr auto auto;
  gap:12px;
  align-items:baseline;
  text-align:left;
  cursor:pointer;
}
.build-project-main{
  display:flex;
  flex-direction:column;
  gap:6px;
  min-width:0;
}
.build-project-name{
  font-weight:800;
  letter-spacing:-0.01em;
}
.build-project-desc{
  color:var(--muted);
  max-width:80ch;
}
.build-project-meta{
  font-family:var(--mono);
  font-size:12px;
  color:var(--faint);
  letter-spacing:0.06em;
  white-space:nowrap;
}
.build-project-toggle{
  font-family:var(--mono);
  font-size:12px;
  color:var(--text);
  letter-spacing:0.06em;
  width:18px;
  text-align:right;
}
.build-project-head[aria-expanded="true"] .build-project-toggle{ transform:rotate(45deg); }

.build-project-body{
  padding:0 0 16px;
  opacity:0;
  max-height:0;
  overflow:hidden;
  transition:max-height 220ms ease, opacity 220ms ease;
}
.build-project-body[data-open="true"]{
  opacity:1;
}
.build-project-dl{
  display:grid;
  grid-template-columns: 120px 1fr;
  gap:10px 18px;
  margin:0;
  color:var(--muted);
}
.build-project-dl dt{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.06em;
  color:var(--faint);
}
.build-project-dl dd{ margin:0; }

.build-lessons{
  margin-top:var(--space-5);
}
.build-subtitle{
  margin:0 0 var(--space-2);
  font-size:14px;
  font-weight:800;
  letter-spacing:0.02em;
}
.build-lesson-list{
  margin:0;
  padding-left:18px;
  color:var(--muted);
}
.build-lesson-list li{ margin:8px 0; }

.build-principles{
  padding:var(--space-6) 0 var(--space-7);
}
.build-principle-list{
  margin:0;
  padding-left:18px;
  color:var(--muted);
  max-width:70ch;
}
.build-principle-list li{ margin:10px 0; }

.reveal{
  opacity:0;
  transform:translateY(10px);
}
.reveal.is-visible{
  opacity:1;
  transform:translateY(0);
  transition:opacity 320ms ease, transform 320ms ease;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .reveal{ opacity:1; transform:none; }
  .reveal.is-visible{ transition:none; }
  #rch-cat.walking{
    animation:none;
    left:auto;
    right:24px;
  }
}

@media (max-width: 720px){
  .build-index-grid{ grid-template-columns:1fr; }
  .build-theme{
    grid-template-columns:1fr;
    gap:var(--space-3);
  }
  .build-theme-rail{ position:static; }
  .build-project-head{
    grid-template-columns: 1fr auto;
    gap:10px;
  }
  .build-project-meta{ grid-column:1 / -1; }
  .build-project-dl{ grid-template-columns: 1fr; }
}