/* =====================================================================
   JP GELMI — hoja de estilos única
   1. Variables   2. Base   3. Tipografía   4. Layout
   5. Componentes 6. Artículo   7. Figuras   8. Utilidades
   ===================================================================== */

/* 1. Variables -------------------------------------------------------- */
/* Paleta tomada de los carruseles (paper / graphite / ochre). */
:root {
  --paper: #FCFBF8;
  --ink: #26292D;
  --ink-soft: #2E3136;
  --muted: #666A70;
  --faint: #A3A6AB;
  --rule: #E1E0DB;
  --rule-soft: #EFEEEA;
  --code-bg: #F4F3EF;
  --accent: #C39A4B;        /* gráficos */
  --accent-ink: #86672A;    /* texto sobre papel, contraste AA */
  --accent-wash: rgba(195, 154, 75, .14);

  --serif: "Newsreader", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --measure: 38rem;         /* ~68 caracteres */
  --page: 44rem;
  --gutter: clamp(1.25rem, 5vw, 2rem);

  --s1: .5rem;
  --s2: 1rem;
  --s3: 1.5rem;
  --s4: 2.5rem;
  --s5: 4rem;
  --s6: 6rem;

  color-scheme: light;
}

:root[data-theme="dark"] {
  --paper: #141517;
  --ink: #E4E2DD;
  --ink-soft: #D6D4CF;
  --muted: #9C9FA4;
  --faint: #5E6166;
  --rule: #2C2E32;
  --rule-soft: #1F2124;
  --code-bg: #1B1C1F;
  --accent: #C9A45A;
  --accent-ink: #D2B06C;
  --accent-wash: rgba(201, 164, 90, .16);
  color-scheme: dark;
}

/* 2. Base ------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.65;
  font-optical-sizing: auto;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img, svg, canvas { display: block; max-width: 100%; height: auto; }

a {
  color: inherit;
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--faint);
  text-underline-offset: .18em;
}
a:hover { text-decoration-color: currentColor; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}

::selection { background: var(--accent-wash); }

.skip {
  position: absolute;
  left: var(--gutter);
  top: -3rem;
  padding: .4rem .7rem;
  background: var(--ink);
  color: var(--paper);
  font: 500 .8rem/1 var(--mono);
  z-index: 10;
}
.skip:focus { top: .75rem; }

/* 3. Tipografía -------------------------------------------------------- */
h1, h2, h3, h4 {
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -.01em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; }

.label {
  font: 500 .72rem/1.4 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}
.label--accent { color: var(--accent-ink); }

.meta {
  font: 400 .75rem/1.5 var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* 4. Layout ------------------------------------------------------------ */
.wrap {
  width: 100%;
  max-width: calc(var(--page) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 0 var(--gutter);
}

main { display: block; padding-bottom: var(--s6); }

/* Cabecera: la doble línea viene de las láminas del carrusel. */
.site-header { padding-top: var(--s3); }
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem 1.5rem;
}
.rule-double {
  height: 4px;
  border-top: 1px solid var(--ink-soft);
  border-bottom: .5px solid var(--faint);
  margin-top: .9rem;
}

.brand {
  font: 500 .8rem/1 var(--mono);
  letter-spacing: .16em;
  text-decoration: none;
  color: var(--ink);
}

.nav ul {
  display: flex;
  gap: 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav a {
  font: 400 .8rem/1 var(--mono);
  letter-spacing: .04em;
  color: var(--muted);
  text-decoration: none;
  padding: .25rem 0;
}
.nav a:hover,
.nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: .45em;
}

.site-footer { padding-bottom: var(--s4); }
.site-footer .rule-double {
  border-top: .5px solid var(--faint);
  border-bottom: 1px solid var(--ink-soft);
  margin: 0 0 var(--s2);
}
.site-footer .wrap > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem 1.5rem;
}

.theme-switch {
  display: flex;
  gap: .15rem;
  font: 400 .72rem/1 var(--mono);
  letter-spacing: .04em;
}
.theme-switch button, .nplus-pause,
.theme-toggle, .nplus-pause {
  appearance: none;
  background: none;
  border: 0;
  padding: .3rem .35rem;
  cursor: pointer;
  font: inherit;
  color: var(--muted);
}
.theme-toggle, .nplus-pause { font: 400 .75rem/1.5 var(--mono); letter-spacing: .06em; text-transform: uppercase; padding: .25rem 0; }
.theme-switch button:hover, .theme-toggle:hover, .nplus-pause:hover { color: var(--ink); }
.theme-switch button[aria-pressed="true"] {
  color: var(--ink);
  box-shadow: inset 0 -1px 0 var(--accent);
}
.theme-switch button + button::before {
  content: "/";
  margin-right: .5rem;
  color: var(--faint);
}
.site-header .wrap:first-child { row-gap: .75rem; }
.nav { margin-left: auto; }
@media (max-width: 34rem) {
  .nav { margin-left: 0; order: 3; width: 100%; }
  .theme-switch { margin-left: auto; }
}

/* 5. Componentes ------------------------------------------------------- */

/* Portada */
.masthead { padding: var(--s6) 0 var(--s5); }
.masthead h1 {
  font-size: clamp(1.45rem, 1.2rem + 1.2vw, 1.9rem);
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.masthead .roles { margin-top: .6rem; }
.masthead .lede {
  margin-top: var(--s4);
  max-width: 30rem;
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--ink-soft);
}
.formula {
  margin-top: var(--s3);
  font: 400 .8rem/1.8 var(--mono);
  color: var(--muted);
  letter-spacing: .02em;
}
.formula b { font-weight: 500; color: var(--accent-ink); }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--rule);
}

/* Entrada destacada */
.lead-entry { padding: var(--s4) 0 var(--s5); }
.lead-entry h2 {
  margin-top: .8rem;
  font-size: clamp(1.6rem, 1.3rem + 1.3vw, 2.15rem);
  line-height: 1.15;
}
.lead-entry .dek { margin-top: .8rem; font-size: 1.2rem; }

/* Lista editorial */
.entries { list-style: none; margin: 0; padding: 0; }
.entry {
  padding: var(--s4) 0;
  border-bottom: 1px solid var(--rule);
}
.entry:first-child { padding-top: var(--s3); }
.entry h2, .entry h3 {
  margin-top: .55rem;
  font-size: 1.45rem;
  line-height: 1.22;
}
.entry-link { text-decoration: none; }
.entry-link:hover h2,
.entry-link:hover h3 { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .15em; }
.dek {
  margin-top: .5rem;
  color: var(--muted);
  font-style: italic;
  max-width: 34rem;
}
.entry .meta, .lead-entry .meta { margin-top: .9rem; }

.entries--compact .entry { padding: var(--s3) 0; }
.entries--compact h3 { font-size: 1.2rem; margin-top: .35rem; }

.more { margin-top: var(--s3); }
.more a { font: 400 .8rem/1 var(--mono); letter-spacing: .04em; }

/* Filtro por categoría */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.filters button {
  appearance: none;
  background: none;
  border: 0;
  padding: .3rem 0;
  cursor: pointer;
  font: 500 .72rem/1.4 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}
.filters button:hover { color: var(--ink); }
.filters button[aria-pressed="true"] {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: .45em;
}

/* Cabecera de página interior */
.page-head { padding: var(--s5) 0 var(--s4); }
.page-head h1 { font-size: clamp(1.7rem, 1.4rem + 1.2vw, 2.2rem); }
.page-head p { margin-top: .8rem; color: var(--muted); max-width: 32rem; }

/* Proyectos */
.projects { list-style: none; margin: 0; padding: 0; }
.project {
  display: grid;
  grid-template-columns: 1fr;
  gap: .6rem;
  padding: var(--s4) 0;
  border-top: 1px solid var(--rule);
}
.project:last-child { border-bottom: 1px solid var(--rule); }
.project h2 {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.project p { max-width: 34rem; }
.project dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: .15rem 1.25rem;
  margin: .5rem 0 0;
  font: 400 .75rem/1.6 var(--mono);
  letter-spacing: .04em;
}
.project dt { color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.project dd { margin: 0; }

@media (min-width: 46rem) {
  .project { grid-template-columns: 12rem 1fr; gap: 0 2rem; }
  .project h2 { padding-top: .3rem; }
}

/* n + 1 */
.nplus {
  min-height: 62vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: var(--s5) 0 var(--s4);
}
.nplus-expr {
  font-family: "Latin Modern Math", "STIX Two Math", "Cambria Math", var(--serif);
  font-size: clamp(2.6rem, 2rem + 4vw, 4.4rem);
  line-height: 1.2;
  font-weight: 400;
  letter-spacing: 0;
  white-space: nowrap;
}
.nplus-expr i { font-style: italic; }
.nplus-expr .wrapped {
  display: inline-block;
  transition: opacity .9s ease, color .9s ease;
}
.nplus-expr .paren { color: var(--faint); transition: opacity .9s ease; }
.nplus-expr.is-collapsed .inner { color: var(--accent-ink); }
.nplus-caption {
  margin-top: var(--s3);
  min-height: 1.6em;
  font: 400 .8rem/1.6 var(--mono);
  color: var(--muted);
  letter-spacing: .04em;
  transition: opacity .6s ease;
}

.nplus-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: var(--s3);
}
.nplus-steps button {
  appearance: none;
  background: none;
  border: 1px solid var(--rule);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  cursor: pointer;
  font: 400 1rem/1 var(--mono);
  color: var(--ink);
}
.nplus-steps button:hover { border-color: var(--ink-soft); }
.nplus-steps button:disabled { color: var(--faint); cursor: default; border-color: var(--rule-soft); }
.nplus-steps .meta { min-width: 4ch; text-align: center; }

.iterations {
  list-style: none;
  margin: var(--s4) 0 0;
  padding: 0;
  font-size: 1.25rem;
  line-height: 2.1;
}
.iterations li { color: var(--ink-soft); }

/* 6. Artículo --------------------------------------------------------- */
.post { max-width: var(--measure); }
.post-head { padding: var(--s5) 0 var(--s4); }
.post-head h1 {
  margin-top: .9rem;
  font-size: clamp(1.9rem, 1.45rem + 1.9vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -.015em;
}
.post-head .dek {
  margin-top: 1rem;
  font-size: 1.25rem;
  line-height: 1.5;
  max-width: none;
}
.post-head .meta { margin-top: var(--s3); }
.post-head .label a { text-decoration: none; }

.prose { border-top: 1px solid var(--rule); padding-top: var(--s4); }
.prose > * + * { margin-top: 1.25em; }
.prose h2 {
  margin-top: 2.6em;
  font-size: 1.45rem;
  line-height: 1.25;
}
.prose h3 {
  margin-top: 2em;
  font-size: 1.15rem;
  font-weight: 600;
}
.prose h2 + *, .prose h3 + * { margin-top: .8em; }
.prose .sec {
  display: block;
  margin-bottom: .45rem;
  font: 500 .72rem/1.4 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-ink);
}
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: .4em; }
.prose strong { font-weight: 600; }

.prose blockquote {
  margin: 2em 0;
  padding: .1em 0 .1em 1.25rem;
  border-left: 2px solid var(--accent);
  font-style: italic;
  font-size: 1.2rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

.prose code {
  font-family: var(--mono);
  font-size: .82em;
  background: var(--code-bg);
  padding: .1em .3em;
  border-radius: 2px;
}
.prose pre {
  margin: 2em 0;
  padding: 1.1rem 1.25rem;
  background: var(--code-bg);
  border-left: 2px solid var(--rule);
  overflow-x: auto;
  font: 400 .85rem/1.65 var(--mono);
  tab-size: 4;
}
.prose pre code { background: none; padding: 0; font-size: inherit; }
.prose pre .c { color: var(--muted); }

/* Tablas estilo booktabs */
.table-wrap { margin: 2em 0; overflow-x: auto; }
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: .95rem;
  font-variant-numeric: tabular-nums lining-nums;
  border-top: 1.5px solid var(--ink-soft);
  border-bottom: 1.5px solid var(--ink-soft);
}
.prose caption {
  caption-side: bottom;
  text-align: left;
  padding-top: .8rem;
  font-size: .9rem;
  color: var(--muted);
}
.prose th, .prose td {
  padding: .5rem .75rem .5rem 0;
  text-align: left;
  vertical-align: top;
}
.prose thead th {
  font: 500 .7rem/1.4 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: .75px solid var(--ink-soft);
}
.prose td.num { font-family: var(--mono); font-size: .82rem; white-space: nowrap; }

/* Definiciones / axiomas estilo amsthm */
.theorem {
  margin: 2em 0;
  padding: 0;
}
.theorem > p:first-child::before {
  content: attr(data-kind) " ";
  font-weight: 600;
  font-style: normal;
}
.theorem .t-name { font-style: normal; }
.theorem p { font-style: italic; }

/* Ecuaciones */
.eq { margin: 1.8em 0; overflow-x: auto; overflow-y: hidden; }
mjx-container[display="true"] { margin: 0 !important; }
mjx-container { color: var(--ink); }

.note {
  font-size: .95rem;
  color: var(--muted);
}

/* Referencias */
.refs { margin-top: var(--s5); padding-top: var(--s3); border-top: 1px solid var(--rule); }
.refs h2 { font: 500 .72rem/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.refs ol {
  margin: var(--s2) 0 0;
  padding-left: 2.2em;
  font-size: .88rem;
  line-height: 1.55;
  color: var(--ink-soft);
}
.refs li { padding-left: .3em; }
.refs li + li { margin-top: .55em; }
.refs li::marker { font-family: var(--mono); font-size: .75rem; color: var(--muted); }
.refs a { overflow-wrap: anywhere; }
.cite {
  font-family: var(--mono);
  font-size: .7em;
  color: var(--accent-ink);
  text-decoration: none;
  vertical-align: .35em;
  line-height: 0;
}

.post-foot {
  margin-top: var(--s5);
  padding-top: var(--s3);
  border-top: 1px solid var(--rule);
  display: grid;
  gap: var(--s3);
}
.post-foot a { text-decoration: none; }
.post-foot a:hover span:last-child { text-decoration: underline; text-underline-offset: .15em; }
.post-foot span { display: block; }
.post-foot span:last-child { margin-top: .3rem; font-size: 1.1rem; }

/* 7. Figuras --------------------------------------------------------- */
.fig { margin: 2.6em 0; }
.fig .plot { width: 100%; min-height: 12rem; }
.fig figcaption {
  margin-top: .9rem;
  font-size: .92rem;
  line-height: 1.5;
  color: var(--muted);
}
.fig-n {
  font: 500 .7rem/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-right: .5rem;
}

.plot svg { overflow: visible; }
.plot text { font-family: var(--mono); font-size: 11px; fill: var(--muted); letter-spacing: .02em; }
.plot .t-note { font-family: var(--serif); font-size: 14px; font-style: italic; fill: var(--muted); letter-spacing: 0; }
.plot .t-ink { fill: var(--ink); }
.plot .t-accent { fill: var(--accent-ink); }
.plot .axis { stroke: var(--ink-soft); stroke-width: 1; fill: none; }
.plot .tick { stroke: var(--ink-soft); stroke-width: 1; }
.plot .grid { stroke: var(--rule-soft); stroke-width: 1; }
.plot .curve { stroke: var(--ink); stroke-width: 1.75; fill: none; stroke-linejoin: round; stroke-linecap: round; }
.plot .curve-thin { stroke: var(--ink-soft); stroke-width: 1.1; fill: none; }
.plot .curve-accent { stroke: var(--accent); stroke-width: 2; fill: none; }
.plot .curve-muted { stroke: var(--faint); stroke-width: 1.25; fill: none; }
.plot .dash { stroke-dasharray: 5 4; }
.plot .proj { stroke: var(--muted); stroke-width: .9; stroke-dasharray: 3 3; fill: none; }
.plot .ref { stroke: var(--faint); stroke-width: 1; stroke-dasharray: 2 3; }
.plot .dot { fill: var(--accent); stroke: var(--ink); stroke-width: 1; }
.plot .dot-hollow { fill: var(--paper); stroke: var(--ink); stroke-width: 1; }
.plot .band { fill: var(--accent-wash); }
.plot .band-muted { fill: var(--rule-soft); }
.plot .bar { fill: var(--rule); stroke: var(--paper); stroke-width: 1; }
.plot .area { fill: var(--accent-wash); stroke: none; }

.control {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem 1rem;
  margin-top: 1rem;
  font: 400 .78rem/1.4 var(--mono);
  color: var(--muted);
}
.control label { letter-spacing: .04em; }
.control output { color: var(--ink); min-width: 9ch; font-variant-numeric: tabular-nums; }
.control input[type="range"] {
  flex: 1 1 12rem;
  accent-color: var(--accent);
  margin: 0;
}

/* Descargas */
.downloads { margin-top: var(--s5); padding-top: var(--s3); border-top: 1px solid var(--rule); max-width: var(--measure); }
.downloads h2 { font: 500 .72rem/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.downloads ul { list-style: none; margin: var(--s2) 0 0; padding: 0; }
.downloads li { padding: .55rem 0; border-bottom: 1px solid var(--rule-soft); display: flex; flex-wrap: wrap; justify-content: space-between; gap: .1rem 1rem; }
.downloads li .meta { white-space: nowrap; }

/* Informe (página ancha) */
.wrap--wide { max-width: calc(64rem + 2 * var(--gutter)); }
.report .post-head, .report .prose, .report .retro { max-width: var(--measure); }
.retro {
  display: grid;
  gap: var(--s3);
  padding: var(--s3) 0 var(--s4);
  border-top: 1px solid var(--rule);
}
.retro p:last-child { margin-top: .35rem; }
.report-body { margin-top: var(--s4); }
.report-body > h2 {
  margin: var(--s5) 0 var(--s2);
  padding-top: var(--s3);
  border-top: 1px solid var(--rule);
  font-size: 1.45rem;
  max-width: var(--measure);
}
.report-body > p, .report-body > ul { max-width: var(--measure); }
.report-body ul { padding-left: 1.3em; }
.report-body li + li { margin-top: .4em; }
.report-body table {
  width: 100%;
  border-collapse: collapse;
  font: 400 .78rem/1.45 var(--mono);
  font-variant-numeric: tabular-nums;
  border-top: 1.5px solid var(--ink-soft);
  border-bottom: 1.5px solid var(--ink-soft);
}
.report-body th {
  font-weight: 500;
  font-size: .68rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: .75px solid var(--ink-soft);
}
.report-body th, .report-body td { padding: .45rem .6rem; text-align: right; white-space: nowrap; }
.report-body td { border-bottom: 1px solid var(--rule-soft); }
.report-body .l { text-align: left; }
.report-body td.l:nth-child(2) { font-family: var(--serif); font-size: .95rem; }
.report-body td a { text-decoration: none; }
.report-body td a:hover { text-decoration: underline; }
.report-body b { font-weight: 500; color: var(--ink); }
.muted { color: var(--muted); }
.callout {
  margin: var(--s3) 0;
  padding: .2rem 0 .2rem 1.25rem;
  border-left: 2px solid var(--accent);
  max-width: var(--measure);
}
.callout table { margin-top: var(--s2); }
.report-body details { margin: var(--s3) 0; }
.report-body summary, .note summary {
  cursor: pointer;
  font: 500 .75rem/1.6 var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}
.report-body summary:hover { color: var(--ink); }
.report-body details .table-wrap { margin-top: var(--s2); }

.athlete { padding: var(--s4) 0; border-top: 1px solid var(--rule); scroll-margin-top: 1rem; }
.athlete-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: .4rem 1.5rem;
  font: 400 .78rem/1.6 var(--mono);
}
.athlete h3 { font-family: var(--serif); font-size: 1.3rem; font-weight: 500; }
.athlete-head > div:first-child .muted { display: block; margin-top: .2rem; }
.figure-num { font-size: 1.05rem; font-weight: 500; color: var(--ink); }
.figure-num.accent { color: var(--accent-ink); }
.fig-raster { margin: var(--s3) 0; }
.fig-raster img { width: 100%; height: auto; background: #fff; }
:root[data-theme="dark"] .fig-raster img { filter: brightness(.9); border-radius: 2px; }
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(8.5rem, 1fr));
  gap: .7rem 1.5rem;
  margin: 0;
  font: 400 .8rem/1.4 var(--mono);
  font-variant-numeric: tabular-nums;
}
.stats dt { font-size: .66rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.stats dd { margin: .15rem 0 0; }

@media (min-width: 46rem) {
  .retro { grid-template-columns: repeat(3, 1fr); max-width: none !important; }
}

/* 8. Utilidades ------------------------------------------------------ */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

@media (max-width: 34rem) {
  body { font-size: 1.0625rem; }
  .masthead { padding: var(--s5) 0 var(--s4); }
  .nav ul { gap: 1rem; }
  .entry { padding: var(--s3) 0; }
  .prose pre { margin-left: calc(-1 * var(--gutter)); margin-right: calc(-1 * var(--gutter)); border-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}

@media print {
  .site-header, .site-footer, .post-foot, .control { display: none; }
  body { background: #fff; color: #000; }
}