/* Signal blog for maelguimet.fr. No external assets. */
:root {
  color-scheme: light;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 280px; }
a { color: inherit; }
button, input { font: inherit; }
input { min-width: 0; }
[hidden] { display: none !important; }
::selection { background: var(--accent, #111); color: var(--paper, #fff); }

.skip-link {
  position: fixed;
  z-index: 99;
  top: .5rem;
  left: .5rem;
  padding: .65rem .8rem;
  color: #fff;
  background: #111;
  transform: translateY(-180%);
}
.skip-link:focus { transform: none; }

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
/* Shared concept structure */
.concept {
  --paper: #fff;
  --ink: #111;
  --muted: #666;
  --rule: #ccc;
  --accent: #111;
  min-height: 100svh;
  color: var(--ink);
  background: var(--paper);
}
.concept a:focus-visible,
.concept input:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.design-back {
  display: inline-block;
  margin: 1rem;
  font-size: .7rem;
  line-height: 1;
  text-decoration: none;
}
.design-back:hover { text-decoration: underline; text-underline-offset: .25em; }
.site-header, .feed-shell, .article-shell, .legal-shell, .site-footer { width: min(100% - 2rem, var(--width, 760px)); margin-inline: auto; }
.site-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; padding: 2rem 0 3.5rem; }
.brand { display: inline-block; font-weight: 700; text-decoration: none; }
.domain { display: block; margin-top: .3rem; color: var(--muted); font-size: .65rem; }
.site-nav { display: flex; gap: 1rem; }
.site-nav a { font-size: .75rem; text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { text-decoration: underline; text-underline-offset: .25em; }
.feed-intro { margin-bottom: 2.6rem; }
.feed-intro h1 { max-width: 20ch; margin: 0; font-size: clamp(2.2rem, 11vw, 5.5rem); line-height: .98; letter-spacing: -.05em; }
.feed-intro p { max-width: 36rem; margin: 1rem 0 0; color: var(--muted); line-height: 1.55; }
.search-form { position: relative; margin-bottom: 2rem; }
.search-form label { display: block; margin-bottom: .45rem; color: var(--muted); font-size: .68rem; }
.search-form input { width: 100%; min-height: 44px; padding: .65rem .8rem; border: 1px solid var(--rule); border-radius: 0; color: var(--ink); background: transparent; -webkit-appearance: none; appearance: none; }
.search-status { min-height: 1.2em; margin: .6rem 0 0; color: var(--muted); font-size: .68rem; }
.feed-list { list-style: none; padding: 0; margin: 0; }
.feed-entry { border-top: 1px solid var(--rule); }
.feed-entry a { display: block; padding: 1.25rem 0 1.45rem; text-decoration: none; }
.feed-entry a:hover .entry-title { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .16em; }
.entry-meta { display: flex; flex-wrap: wrap; gap: .45rem .9rem; margin-bottom: .55rem; color: var(--muted); font-size: .68rem; }
.entry-title { display: block; font-size: clamp(1.4rem, 7vw, 2.25rem); font-weight: 650; line-height: 1.05; letter-spacing: -.025em; }
.entry-excerpt { display: block; max-width: 46rem; margin-top: .55rem; color: var(--muted); font-size: .9rem; line-height: 1.5; }
.no-results { padding: 2rem 0; border-top: 1px solid var(--rule); color: var(--muted); }
.site-footer { display: flex; justify-content: space-between; gap: 1rem; margin-top: 5rem; padding: 1rem 0 1.5rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: .68rem; }
.site-footer nav { display: flex; gap: .9rem; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { text-decoration: underline; text-underline-offset: .2em; }
.article-shell, .legal-shell { padding-bottom: 2rem; }
.article-header { margin: 1rem 0 3rem; }
.article-kicker { margin: 0 0 1rem; color: var(--muted); font-size: .7rem; }
.article-header h1, .legal-shell h1 { max-width: 14ch; margin: 0; font-size: clamp(2.6rem, 13vw, 6.8rem); line-height: .91; letter-spacing: -.055em; }
.article-deck { max-width: 38rem; margin: 1.25rem 0 0; color: var(--muted); font-size: clamp(1.05rem, 4vw, 1.4rem); line-height: 1.45; }
.article-byline { display: flex; flex-wrap: wrap; gap: .5rem 1rem; margin-top: 1.5rem; color: var(--muted); font-size: .7rem; }
.article-body { max-width: 40rem; }
.article-body p { margin: 0 0 1.35rem; font-size: 1.08rem; line-height: 1.68; }
.article-body h2 { margin: 2.8rem 0 1rem; font-size: 1.55rem; line-height: 1.15; letter-spacing: -.02em; }
.article-body blockquote { margin: 2.2rem 0; padding-left: 1rem; border-left: 2px solid var(--accent); font-size: 1.3rem; line-height: 1.4; }
.article-end { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--rule); }
.article-end a { font-size: .75rem; }
.legal-shell h1 { margin: 1rem 0 3rem; }
.legal-section { max-width: 40rem; padding: 1.5rem 0; border-top: 1px solid var(--rule); }
.legal-section h2 { margin: 0 0 .7rem; font-size: 1rem; }
.legal-section p { margin: 0; color: var(--muted); font-size: .92rem; line-height: 1.6; }
.legal-section a { color: var(--ink); }
/* 04 - Signal / dark plain-text log */
.concept--04 {
  color-scheme: dark;
  --paper: #0a0c09;
  --ink: #c9ff66;
  --muted: #86a45d;
  --rule: #314321;
  --accent: #e9ffe0;
  --width: 860px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.concept--04 .design-back {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  margin: .5rem;
  font-size: 1rem;
}
.concept--04 .site-header { padding: 1rem 0 1.5rem; border-bottom: 1px dashed var(--rule); }
.concept--04 .brand { font-weight: 500; }
.concept--04 .language-switcher { display: flex; align-items: center; gap: .55rem; font-size: .7rem; }
.concept--04 .language-switcher a { color: var(--muted); text-decoration: none; }
.concept--04 .language-switcher a:hover { color: var(--ink); }
.concept--04 .language-switcher [aria-current="page"] { color: var(--ink); }
.concept--04 .feed-intro h1 { max-width: 16ch; font-size: clamp(2rem, 9vw, 4.6rem); font-weight: 500; letter-spacing: -.055em; }
.concept--04 .feed-intro h1::before { content: "> "; color: var(--muted); }
.concept--04.page-feed .feed-shell { padding-top: 2.5rem; }
.concept--04 .search-form input {
  padding: .75rem .9rem;
  border: 1px solid var(--rule);
  background: #0d100b;
}
.concept--04 .search-form input::placeholder { color: var(--muted); opacity: 1; }
.concept--04 .search-form input:focus { border-color: var(--ink); outline: none; }
.concept--04 .feed-entry { border-top-style: dashed; }
.concept--04 .feed-entry a { display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: .75rem; }
.concept--04 .entry-number {
  grid-column: 1;
  grid-row: 1 / span 2;
  color: var(--muted);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: .72rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  letter-spacing: .035em;
}
.concept--04 .entry-meta, .concept--04 .entry-title { grid-column: 2; }
.concept--04 .entry-meta span:first-child {
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 550;
  font-variant-numeric: tabular-nums;
  letter-spacing: .025em;
}
.concept--04 .entry-title { font-size: clamp(1.15rem, 5vw, 1.75rem); font-weight: 500; }
.concept--04 .site-footer { justify-content: flex-end; }
.concept--04 .site-footer > a { display: inline-flex; min-height: 44px; align-items: center; text-decoration: none; }
.concept--04 .site-footer > a:hover { text-decoration: underline; text-underline-offset: .2em; }
.concept--04 .legal-shell h1 { font-size: clamp(2.2rem, 10vw, 5.4rem); font-weight: 500; }

/* Signal article: the feed's exact plain-text system, extended for reading. */
.concept--04.page-article { --article-ink: #bfd694; }
.concept--04.page-article .article-shell { width: min(100% - 2rem, 860px); }
.concept--04.page-article .article-header { max-width: 680px; margin: 1.5rem 0 3rem; }
.concept--04.page-article .article-header h1 {
  max-width: none;
  color: var(--ink);
  font-size: clamp(1.45rem, 5.5vw, 2.2rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -.045em;
}
.concept--04.page-article .article-header h1::before { content: "> "; color: var(--muted); }
.concept--04.page-article .article-byline {
  justify-content: space-between;
  max-width: 680px;
  margin-top: 1.5rem;
  padding: .8rem 0;
  border-top: 1px dashed var(--rule);
  border-bottom: 1px dashed var(--rule);
  color: var(--muted);
}
.concept--04.page-article .article-byline strong { color: var(--ink); font-weight: 500; }
.concept--04.page-article .article-byline > span {
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: .72rem;
  font-weight: 550;
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}
.concept--04.page-article .article-body { max-width: 66ch; color: var(--article-ink); }
.concept--04.page-article .translation-note {
  margin: 0 0 2.5rem;
  padding: .8rem 0;
  border-top: 1px dashed var(--rule);
  border-bottom: 1px dashed var(--rule);
  color: var(--muted);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: .76rem;
  line-height: 1.6;
}
.concept--04.page-article .translation-note a { color: var(--ink); }
.concept--04.page-article .article-body p {
  margin-bottom: 1.55rem;
  font-size: clamp(.98rem, 2.2vw, 1.08rem);
  line-height: 1.82;
}
.concept--04.page-article .article-body h2 {
  margin: 3.25rem 0 1.2rem;
  color: var(--ink);
  font-size: clamp(1.2rem, 4vw, 1.5rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -.035em;
}
.concept--04.page-article .article-body h2::before { content: "## "; color: var(--muted); }
.concept--04.page-article .article-body blockquote {
  display: grid;
  grid-template-columns: 1rem minmax(0, 1fr);
  gap: .55rem;
  margin: 2.75rem 0;
  padding: 0;
  border: 0;
  color: var(--ink);
  font-size: clamp(1.05rem, 3vw, 1.25rem);
  line-height: 1.65;
}
.concept--04.page-article .article-body blockquote::before { content: ">"; color: var(--muted); }

@media (max-width: 520px) {
  .concept--04 .site-header { display: flex; align-items: center; padding-top: 1.4rem; padding-bottom: 2rem; }
  .feed-intro { margin-bottom: 2rem; }
}

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