/* markdavidrogers.com. Built against DESIGN.md at the repository root; every value comes from tokens.css. */

/* Fonts: self-hosted, OFL-1.1 (licences in /fonts/), from Fontsource 5.3.0, Latin subset. */
@font-face {
  font-family: "Newsreader Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 200 800;
  src: url(/fonts/newsreader-latin-opsz-normal.woff2) format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Newsreader Variable";
  font-style: italic;
  font-display: swap;
  font-weight: 200 800;
  src: url(/fonts/newsreader-latin-opsz-italic.woff2) format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Atkinson Hyperlegible Next Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 200 800;
  src: url(/fonts/atkinson-hyperlegible-next-latin-wght-normal.woff2) format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Atkinson Hyperlegible Next Variable";
  font-style: italic;
  font-display: swap;
  font-weight: 200 800;
  src: url(/fonts/atkinson-hyperlegible-next-latin-wght-italic.woff2) format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Atkinson Hyperlegible Mono Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 200 800;
  src: url(/fonts/atkinson-hyperlegible-mono-latin-wght-normal.woff2) format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
img, svg, video { max-width: 100%; height: auto; }
.wrap { width: min(100% - 2rem, var(--wide)); margin-inline: auto; }
@media (min-width: 48rem) { .wrap { width: min(100% - 4rem, var(--wide)); } }

h1, h2, h3, h4 {
  color: var(--color-heading);
  font-family: var(--font-display);
  font-weight: 580;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-2);
  text-wrap: balance;
}
h1 { font-size: var(--step-3); }
h2 { font-size: var(--step-2); }
h3 { font-size: var(--step-1); }
h4 { font-size: var(--step-0); }
p { margin: 0 0 var(--space-2); }
code, kbd, samp, pre { font-family: var(--font-mono); font-size: 0.92em; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }

/* Links: no underline in lists and navigation; a quiet hairline in prose (DESIGN.md, Colour). */
a { color: var(--color-link); }
.plain a, a.plain { color: var(--color-ink); text-decoration: none; }
.plain a:hover, a.plain:hover, .plain a:focus-visible, a.plain:focus-visible {
  color: var(--color-link);
  text-decoration: underline 1px;
  text-underline-offset: 0.22em;
}
.prose a, .site-foot a {
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
  text-decoration-color: color-mix(in srgb, var(--color-link) 45%, transparent);
}
.prose a:hover, .site-foot a:hover { text-decoration-color: currentColor; }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: absolute; left: -999rem; }
.skip:focus { left: 1rem; top: 1rem; z-index: 2; background: var(--color-paper); padding: var(--space-1) var(--space-2); }

/* Pull request previews only (Site:Preview): says plainly this is not the live site. */
.preview-band { margin: 0; padding: 0.3rem var(--space-2); background: var(--color-head-bg); color: var(--color-head-ink); border-bottom: 1px dashed var(--color-brand); font-family: var(--font-mono); font-size: var(--step--1); text-align: center; }

/* Header */
.site-head { background: var(--color-head-bg); border-bottom: 2px solid var(--color-brand); }
.site-head .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-1) var(--space-3);
  padding-block: var(--space-2);
}
.mark { font-family: var(--font-display); font-weight: 620; font-size: var(--step-1); color: var(--color-head-ink); text-decoration: none; }
.site-nav a { color: var(--color-head-ink); }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--color-head-link); }
.site-head :focus-visible, .site-foot :focus-visible { outline-color: var(--color-head-focus); }
.site-nav { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-1) var(--space-3); }
.site-nav a[aria-current="page"] { text-decoration: underline 2px var(--color-brand); text-underline-offset: 0.35em; }
.theme-toggle {
  font: inherit;
  font-size: var(--step--1);
  background: none;
  color: var(--color-head-ink);
  border: 1px solid var(--color-head-rule);
  border-radius: var(--radius);
  padding: 0.05rem 0.6rem;
  cursor: pointer;
}

main { display: block; padding-block: var(--space-5) var(--space-6); }

/* Page heads */
.page-head { max-width: var(--measure); margin-bottom: var(--space-4); }
.page-head p { color: var(--color-muted); font-size: var(--step-1); line-height: 1.4; }
.meta { font-family: var(--font-mono); font-size: var(--step--1); color: var(--color-meta); }

/* Home */
.statement { font-size: var(--step-4); font-weight: 560; max-width: 17ch; line-height: 1.05; margin-bottom: var(--space-5); }
.doors { margin-top: var(--space-5); border-top: 1px solid var(--color-ink); }
.door {
  display: grid;
  grid-template-columns: minmax(12rem, 18rem) 1fr auto;
  gap: var(--space-1) var(--space-3);
  align-items: baseline;
  padding-block: var(--space-3);
  border-bottom: var(--border);
  color: var(--color-ink);
  text-decoration: none;
}
.door-name { font-family: var(--font-display); font-size: var(--step-2); font-weight: 560; line-height: 1.1; }
.door-text { color: var(--color-muted); }
.door-go { font-family: var(--font-display); font-size: var(--step-1); color: var(--color-muted); }
.door:hover .door-name, .door:focus-visible .door-name { color: var(--color-link); text-decoration: underline 1px; text-underline-offset: 0.18em; }
.door:hover .door-go { color: var(--color-link); }

.shipped { margin-top: var(--space-6); }
.shipped > h2 { border-top: 3px solid var(--color-brand); padding-top: var(--space-2); }
.ledger { list-style: none; margin: 0; padding: 0; }
.ledger li {
  display: grid;
  grid-template-columns: 7.5rem 1fr auto;
  gap: 0.2rem var(--space-3);
  align-items: baseline;
  padding-block: 0.65rem;
  border-bottom: var(--border);
}
.ledger .name { font-weight: 700; }
.ledger .ver, .ledger .kind, .ledger time { font-family: var(--font-mono); font-size: var(--step--1); color: var(--color-meta); }
.ledger .ver { margin-left: 0.4rem; }


/* Latest writing: a scroll-snap carousel (buttons from /scripts/carousel.js) */
.carousel { margin-top: var(--space-5); }
.carousel-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--space-1) var(--space-3); border-top: 1px solid var(--color-ink); padding-top: var(--space-3); }
.carousel-head h2 { margin: 0; }
.carousel-controls { display: flex; align-items: center; gap: var(--space-2); }
.carousel-btn { font: inherit; font-size: var(--step-1); line-height: 1; width: 2.75rem; height: 2.75rem; cursor: pointer; color: var(--color-ink); background: none; border: 1px solid var(--color-rule); border-radius: var(--radius); }
.carousel-btn:hover:not(:disabled) { border-color: var(--color-brand); color: var(--color-link); }
.carousel-btn:disabled { opacity: 0.35; cursor: default; }
.carousel-track { display: grid; grid-auto-flow: column; grid-auto-columns: 100%; overflow-x: auto; scroll-snap-type: x mandatory; overscroll-behavior-x: contain; margin-top: var(--space-3); scrollbar-width: thin; }
.carousel.js .carousel-track { scrollbar-width: none; }
.carousel.js .carousel-track::-webkit-scrollbar { display: none; }
.slide { scroll-snap-align: start; min-width: 0; position: relative; background: var(--color-panel); padding: var(--panel-pad) calc(var(--space-2) + var(--panel-pad)) var(--panel-pad) var(--panel-pad); }
.slide-title { font-size: var(--step-2); margin: 0.2rem 0 0.4rem; }
.slide-sub { color: var(--color-muted); font-size: var(--step-1); line-height: 1.35; margin-bottom: var(--space-2); }
.slide-body { max-height: 17rem; overflow: hidden; -webkit-mask-image: linear-gradient(to bottom, #000 55%, transparent); mask-image: linear-gradient(to bottom, #000 55%, transparent); }
.slide-more { position: relative; display: inline-block; margin-top: -2.2rem; font-weight: 700; color: var(--color-link); text-decoration: none; border-bottom: 2px solid var(--color-brand); }
.slide-more:hover { color: var(--color-ink); }
.carousel-all { margin-top: var(--space-3); }

/* Hero picture (3D on request: the vapor3d island) */
.hero { position: relative; margin: 0; }
.hero { border: 1px solid var(--color-rule); background: #100d1c; overflow: hidden; }
.hero img { display: block; width: 100%; height: auto; aspect-ratio: 1536 / 640; }

/* Games: real splash art, full column width */
.home-games { margin-top: var(--space-6); }
.home-games > h2 { margin-bottom: var(--space-3); }
.games { display: grid; gap: var(--space-4); }
.game { margin: 0; }
.game img { display: block; width: 100%; height: auto; border: 1px solid var(--color-rule); background: var(--color-surface); }
.game figcaption { display: grid; gap: 0.15rem; margin-top: var(--space-1); max-width: var(--measure); }
.game-name { font-family: var(--font-display); font-size: var(--step-1); font-weight: 580; }
.game-text { color: var(--color-muted); }

/* Kept alive: a Priestley-style timeline from projects.json */
.kept { margin: var(--space-6) 0 0; }
.kept figcaption p { color: var(--color-muted); }
.kept-key { white-space: nowrap; margin-left: var(--space-1); font-size: var(--step--1); }
.dot { display: inline-block; width: 0.7rem; height: 0.7rem; border-radius: 50%; vertical-align: -0.05em; margin-left: 0.5rem; }
.dot-first { border: 2px solid var(--color-ink); background: var(--color-paper); }
.dot-now { background: var(--color-accent); }
.kept-rows { list-style: none; margin: var(--space-3) 0 0; padding: 0; border-top: 1px solid var(--color-ink); }
.kept-rows li, .kept-axis {
  display: grid;
  grid-template-columns: minmax(9rem, 22rem) 3.2rem 1fr;
  gap: 0 var(--space-2);
  align-items: center;
}
.kept-rows li { padding-block: 0.45rem; border-bottom: var(--border); }
.kept-name { font-weight: 700; overflow-wrap: break-word; }
.kept-year, .kept-ticks { font-family: var(--font-mono); font-size: var(--step--1); color: var(--color-meta); }
.kept-track { position: relative; height: 1.1rem; margin-inline: 0.45rem; }
.kept-bar { position: absolute; left: var(--from); right: 0; top: 50%; height: 2px; margin-top: -1px; background: var(--color-ink); }
.kept-bar::before, .kept-bar::after { content: ""; position: absolute; top: 50%; width: 0.75rem; height: 0.75rem; margin-top: -0.375rem; border-radius: 50%; }
.kept-bar::before { left: -0.375rem; border: 2px solid var(--color-ink); background: var(--color-paper); }
.kept-bar::after { right: -0.375rem; background: var(--color-accent); }
.kept-axis { padding-top: 0.4rem; }
.kept-ticks { grid-column: 3; position: relative; height: 1.2rem; margin-inline: 0.45rem; }
.kept-ticks span { position: absolute; left: var(--at); transform: translateX(-50%); }
.kept-ticks span:first-child { transform: none; }
.kept-ticks span:last-child { transform: translateX(-100%); }

/* Lists of posts and projects */
.rows { list-style: none; margin: 0 0 var(--space-5); padding: 0; border-top: 1px solid var(--color-ink); }
.rows > li {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 0.2rem var(--space-3);
  align-items: baseline;
  padding-block: var(--space-2);
  border-bottom: var(--border);
}
.rows.single > li { grid-template-columns: 1fr; }
.rows .title { font-family: var(--font-display); font-size: var(--step-1); font-weight: 560; line-height: 1.2; }
.rows .sub { display: block; color: var(--color-muted); margin-top: 0.2rem; }
.rows .side { font-family: var(--font-mono); font-size: var(--step--1); color: var(--color-meta); }
.rows .side span { display: block; }
.group { margin-top: var(--space-5); }

/* Prose: posts, CV, colophon */
.prose { max-width: var(--measure); overflow-wrap: break-word; }
.prose :not(pre) > code, .prose a { overflow-wrap: anywhere; }
.permalink { font-family: var(--font-mono); font-size: var(--step--1); color: var(--color-muted); overflow-wrap: anywhere; }
.prose h1 { font-size: var(--step-2); }
.prose h2 { font-size: var(--step-2); margin-top: var(--space-4); }
.prose h3, .prose header h3 { font-size: var(--step-1); margin-top: var(--space-4); }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 var(--space-2); }
.prose li { margin-bottom: 0.3rem; }
.prose img { display: block; margin: var(--space-3) 0; }
.prose pre { background: var(--color-surface); padding: var(--space-2); overflow-x: auto; line-height: 1.45; }
.prose :not(pre) > code { background: var(--color-surface); padding: 0.05em 0.3em; }
.prose blockquote { margin: var(--space-3) 0; padding-left: var(--space-3); border-left: 3px solid var(--color-brand); }
.prose table { border-collapse: collapse; display: block; overflow-x: auto; max-width: 100%; }
.prose th, .prose td { border-bottom: var(--border); padding: 0.4rem 0.8rem 0.4rem 0; text-align: left; }
.prose hr { border: 0; border-top: var(--border); margin: var(--space-4) 0; }
.post-foot { max-width: var(--measure); margin-top: var(--space-4); padding-top: var(--space-2); border-top: var(--border); }
.tags { list-style: none; padding: 0; margin: 0 0 var(--space-2); display: flex; flex-wrap: wrap; gap: 0.3rem var(--space-2); }

/* The CV keeps the grid classes of its migrated HTML (row, 6u, 12u, mixin-*). */
.cv .row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0 var(--space-3); }
.cv .row > [class*="u"] { flex: 1 1 16rem; }
.cv .mixin-textAlignRight { text-align: right; }
.cv .mixin-paddingBottom { padding-bottom: var(--space-2); }
@media (max-width: 40rem) { .cv .mixin-textAlignRight { text-align: left; } }

/* Forms (the contact island) */
.form { max-width: var(--measure); display: grid; gap: var(--space-3); }
.form .pair { display: grid; gap: var(--space-3); grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
.form label { display: block; font-weight: 700; margin-bottom: 0.3rem; }
.form input, .form textarea {
  font: inherit;
  width: 100%;
  padding: 0.6rem 0.75rem;
  color: var(--color-ink);
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
}
.form textarea { min-height: 10rem; resize: vertical; }
.button {
  font: inherit;
  font-weight: 700;
  justify-self: start;
  cursor: pointer;
  color: var(--color-paper);
  background: var(--color-ink);
  border: 0;
  border-radius: var(--radius);
  padding: 0.65rem 1.4rem;
}
.status { font-weight: 700; }

/* Footer */
.site-foot { background: var(--color-head-bg); border-top: 1px solid var(--color-head-rule); padding-block: var(--space-3) var(--space-4); font-size: var(--step--1); color: var(--color-head-muted); }
.site-foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2) var(--space-4); }
.site-foot p { margin: 0; }
.site-foot a { color: var(--color-head-muted); }
.inline { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.2rem var(--space-2); }

/* Phone: rows stack, the date sits above the title */
@media (max-width: 40rem) {
  .door { grid-template-columns: 1fr; }
  .door-go { display: none; }
  .ledger li { grid-template-columns: auto 1fr; }
  .ledger time { grid-column: 1; grid-row: 1; }
  .ledger .kind { grid-column: 2; grid-row: 1; text-align: right; }
  .ledger .item { grid-column: 1 / -1; grid-row: 2; }
  .rows > li { grid-template-columns: 1fr; }
  .kept-rows li, .kept-axis { grid-template-columns: 1fr auto; }
  .kept-track, .kept-ticks { grid-column: 1 / -1; }
  .kept-track { margin-top: 0.2rem; }
}

/* Motion: colour changes only, and only when the reader has not asked for less. */
@media (prefers-reduced-motion: no-preference) {
  a, .door-name, .door-go, .theme-toggle, .carousel-btn { transition: color var(--dur) ease-out, text-decoration-color var(--dur) ease-out, border-color var(--dur) ease-out; }
}

@media print {
  .site-head nav, .site-foot, .skip { display: none; }
  body { background: #fff; color: #000; font-size: 11pt; }
  main { padding: 0; }
  a { color: #000; }
}