/* =================================================================
   Hubble Research Lab - site public
   Systeme : "Le certificat de calibration" (voir DESIGN.md)
   ================================================================= */

/* ---- Polices auto-hebergees -------------------------------------- */
@font-face {
  font-family: "Mona Sans"; font-style: normal; font-weight: 400;
  font-display: swap; src: url("fonts/mona-sans-400.woff2") format("woff2");
}
@font-face {
  font-family: "Mona Sans"; font-style: normal; font-weight: 500;
  font-display: swap; src: url("fonts/mona-sans-500.woff2") format("woff2");
}
@font-face {
  font-family: "Mona Sans"; font-style: normal; font-weight: 600;
  font-display: swap; src: url("fonts/mona-sans-600.woff2") format("woff2");
}
@font-face {
  font-family: "Mona Sans"; font-style: normal; font-weight: 700;
  font-display: swap; src: url("fonts/mona-sans-700.woff2") format("woff2");
}
@font-face {
  font-family: "Source Serif 4"; font-style: normal; font-weight: 400;
  font-display: swap; src: url("fonts/source-serif-4-400.woff2") format("woff2");
}
@font-face {
  font-family: "Source Serif 4"; font-style: italic; font-weight: 400;
  font-display: swap; src: url("fonts/source-serif-4-400-italic.woff2") format("woff2");
}
@font-face {
  font-family: "Source Serif 4"; font-style: normal; font-weight: 600;
  font-display: swap; src: url("fonts/source-serif-4-600.woff2") format("woff2");
}
@font-face {
  font-family: "Commit Mono"; font-style: normal; font-weight: 400;
  font-display: swap; src: url("fonts/commit-mono-400.woff2") format("woff2");
}

/* ---- Jetons ------------------------------------------------------ */
:root {
  /* couleurs sources */
  --papier:           oklch(0.971 0.006 75);
  --papier-bande:     oklch(0.945 0.008 75);
  --encre:            oklch(0.24 0.008 280);
  --encre-profonde:   oklch(0.205 0.010 280);
  --graphite:         oklch(0.52 0.012 280);
  --vermillon:        oklch(0.585 0.182 32);
  --vermillon-profond:oklch(0.50 0.170 32);

  /* jetons semantiques (remappes dans la section inversee) */
  --text:      var(--encre);
  --text-soft: var(--graphite);
  --surface:   var(--papier);
  --surface-2: var(--papier-bande);
  --rule:      oklch(0.85 0.012 280);
  --accent:    var(--vermillon);
  --link:      var(--vermillon-profond);

  /* familles */
  --font-display: "Mona Sans", ui-sans-serif, system-ui, sans-serif;
  --font-body:    "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-mono:    "Commit Mono", ui-monospace, SFMono-Regular, Consolas, monospace;

  /* mesures */
  --frame: 1200px;
  --rail: clamp(4rem, 8vw, 7.5rem);
  --pad-inline: clamp(1.25rem, 5vw, 5rem);
  --header-h: 3.75rem;
}

/* ---- Reset ------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1.25rem);
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 1.01rem + 0.22vw, 1.19rem);
  line-height: 1.62;
  color: var(--text);
  background: var(--papier-bande);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
svg { display: block; }
img, svg { max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; cursor: pointer; }
::selection { background: var(--vermillon); color: var(--papier); }

/* ---- Typographie de base ---------------------------------------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--text);
  text-wrap: balance;
}
h2 { font-size: clamp(1.8rem, 1.3rem + 2.1vw, 2.7rem); }
h3 { font-size: clamp(1.15rem, 1.05rem + 0.4vw, 1.4rem); }
p { text-wrap: pretty; }
.mono { font-family: var(--font-mono); }

/* ---- Lien texte -------------------------------------------------- */
.textlink {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.16s ease-out;
}
.textlink::after { content: " \2192"; }
.textlink:hover { color: var(--accent); }

/* ---- Accessibilite ---------------------------------------------- */
.skip-link {
  position: absolute; left: 0.75rem; top: -3rem;
  background: var(--encre); color: var(--papier);
  padding: 0.6rem 1rem; font-family: var(--font-display);
  font-size: 0.85rem; z-index: 100; transition: top 0.16s ease-out;
}
.skip-link:focus { top: 0.75rem; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---- En-tete ----------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  max-width: var(--frame); margin-inline: auto;
  background: var(--surface);
  border-inline: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  height: var(--header-h);
  display: flex; align-items: center; gap: 1.5rem;
  padding-inline: var(--pad-inline);
}
.wordmark {
  display: flex; align-items: center; gap: 0.65rem;
  text-decoration: none; margin-right: auto;
}
.wm-mark {
  width: 2.4rem; height: 2.4rem;
  align-self: center;
  display: block;
  flex-shrink: 0;
}
.wordmark__name {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.45rem; letter-spacing: -0.015em; color: var(--text);
  line-height: 1;
}
.wordmark__suffix {
  font-family: var(--font-display); font-weight: 500;
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-soft);
  line-height: 1;
  align-self: center;
  margin-bottom: -0.02em;
  color: var(--text-soft);
}
.site-nav { display: flex; gap: 1.6rem; }
.site-nav a {
  font-family: var(--font-display); font-weight: 500; font-size: 0.9rem;
  color: var(--text); text-decoration: none; position: relative;
  padding-block: 0.35rem; transition: color 0.16s ease-out;
}
.site-nav a:hover { color: var(--link); }
.site-nav a.is-active { color: var(--text); }
.site-nav a.is-active::after {
  content: ""; position: absolute; left: 50%; bottom: -0.1rem;
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--accent); transform: translateX(-50%);
}
.site-header__meta {
  font-family: var(--font-mono); font-size: 0.74rem;
  color: var(--text-soft);
}
.nav-toggle {
  display: none;
  background: none; border: 1px solid var(--rule);
  padding: 0.45rem 0.85rem;
  font-family: var(--font-display); font-weight: 600; font-size: 0.8rem;
  letter-spacing: 0.02em; border-radius: 2px;
  transition: background 0.16s ease-out;
}
.nav-toggle:hover { background: var(--surface-2); }

/* ---- Menu mobile ------------------------------------------------- */
.mobile-menu {
  position: fixed; inset: 0; z-index: 80;
  background: var(--surface);
  padding: 1.25rem var(--pad-inline) 3rem;
  overflow-y: auto;
}
.mobile-menu[hidden] { display: none; }
.mobile-menu__top {
  display: flex; align-items: center; justify-content: space-between;
  height: calc(var(--header-h) - 1px);
  border-bottom: 1px solid var(--rule); margin-bottom: 1.5rem;
}
.mobile-menu__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-soft);
}
.mobile-menu__close {
  background: none; border: 1px solid var(--rule);
  padding: 0.45rem 0.85rem; border-radius: 2px;
  font-family: var(--font-display); font-weight: 600; font-size: 0.8rem;
}
.mobile-menu__list { list-style: none; padding: 0; }
.mobile-menu__list li { border-top: 1px solid var(--rule); }
.mobile-menu__list li:last-child { border-bottom: 1px solid var(--rule); }
.mobile-menu__list a {
  display: flex; align-items: baseline; gap: 1rem;
  padding: 1.05rem 0.25rem; text-decoration: none;
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.3rem; color: var(--text);
}
.mobile-menu__list a span {
  font-family: var(--font-mono); font-weight: 400; font-size: 0.95rem;
  color: var(--accent);
}

/* ---- Cadre principal -------------------------------------------- */
main {
  display: block;
  max-width: var(--frame); margin-inline: auto;
  background: var(--surface);
  border-inline: 1px solid var(--rule);
}

/* ---- Hero -------------------------------------------------------- */
.hero {
  padding: clamp(5rem, 11vw, 9rem) var(--pad-inline) clamp(3rem, 7vw, 6rem);
  text-align: center;
}
.kicker {
  font-family: var(--font-display); font-weight: 500;
  font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-soft);
  max-width: 40ch;
  margin-inline: auto;
}
.hero__title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.9rem, 1.6rem + 6vw, 5.6rem);
  line-height: 0.99; letter-spacing: -0.028em;
  margin-top: 1.4rem;
}
.lead {
  font-size: clamp(1.18rem, 1.08rem + 0.5vw, 1.4rem);
  line-height: 1.5; max-width: 33ch; margin-top: 1.6rem;
}
.lead { max-width: 60ch; margin-inline: auto; font-size: clamp(1.35rem, 1.15rem + 0.7vw, 1.7rem); margin-top: clamp(1.8rem, 3vw, 2.6rem); }
.proofstrip {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem;
  margin-top: 2.4rem; padding: 0.7rem 1rem;
  border: 1px solid var(--rule); border-radius: 2px;
  background: var(--surface-2);
  font-family: var(--font-mono); font-size: 0.82rem;
  color: var(--text-soft); width: fit-content; max-width: 100%;
  margin-inline: auto;
}
.proofstrip__sep { width: 1px; height: 0.95rem; background: var(--rule); }
.proofstrip__link {
  color: var(--link); text-decoration: none; font-weight: 400;
}
.proofstrip__link:hover { color: var(--accent); }

/* sommaire de page */
.sommaire { margin-top: 3rem; text-align: left; }
.sommaire ol {
  list-style: none; padding: 0;
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 0 clamp(1.5rem, 4vw, 3.5rem);
}
.sommaire li { border-top: 1px solid var(--rule); }
.sommaire ol > li:nth-last-child(-n+2) { border-bottom: 1px solid var(--rule); }
.sommaire a {
  display: flex; align-items: baseline; gap: 1rem;
  padding: 0.85rem 0.15rem; text-decoration: none;
  color: var(--text); transition: color 0.16s ease-out;
}
.sommaire a:hover { color: var(--link); }
.sommaire__n {
  font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent);
}
.sommaire__t {
  font-family: var(--font-display); font-weight: 500; font-size: 1rem;
}

/* ---- Sections numerotees ---------------------------------------- */
.section {
  border-top: 1px solid var(--rule);
  padding: clamp(3.5rem, 8vw, 7rem) var(--pad-inline);
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  column-gap: clamp(1.5rem, 4vw, 3.5rem);
}
.section__num { align-self: start; }
.section__num span {
  position: sticky; top: calc(var(--header-h) + 1.5rem);
  display: block;
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2rem, 1.2rem + 2.4vw, 3.3rem);
  line-height: 1; color: var(--accent); letter-spacing: -0.02em;
}
.section__main { min-width: 0; max-width: 60rem; }
.section__name {
  font-family: var(--font-display); font-weight: 600;
  font-size: 0.78rem; letter-spacing: 0.13em; text-transform: uppercase;
  color: var(--text-soft);
}
.section__main > h2 { margin-top: 0.7rem; }
.section__main > p {
  margin-top: 1.15rem; max-width: 64ch;
}
.factline {
  margin-top: 1.8rem; padding-top: 1.3rem;
  border-top: 1px solid var(--rule);
  font-family: var(--font-display); font-weight: 500;
  font-size: 1.02rem; line-height: 1.5; color: var(--text);
  max-width: 60ch;
}

/* ---- 01 Principes ----------------------------------------------- */
.principles { list-style: none; padding: 0; margin-top: 2.2rem; }
.principle {
  display: grid; grid-template-columns: 2.5rem 1fr; gap: 0.5rem 1.25rem;
  padding: 1.5rem 0; border-top: 1px solid var(--rule);
}
.principle:last-child { border-bottom: 1px solid var(--rule); }
.principle__n {
  font-family: var(--font-mono); font-size: 1rem; color: var(--accent);
  padding-top: 0.15rem;
}
.principle h3 { margin-bottom: 0.4rem; }
.principle p { max-width: 58ch; }

/* pull-quote */
.pull {
  margin: 2.6rem 0 0;
  padding: 1.8rem 0;
  border-top: 1px solid var(--text);
  border-bottom: 1px solid var(--text);
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.35rem, 1rem + 1.7vw, 2rem);
  line-height: 1.22; letter-spacing: -0.015em;
  max-width: 24ch;
}

/* ---- 02 Verticaux ----------------------------------------------- */
.verticals { margin-top: 2.4rem; }
.vertical {
  padding: 1.7rem 0; border-top: 1px solid var(--rule);
}
.vertical:last-child { border-bottom: 1px solid var(--rule); }
.vertical h3 { margin-bottom: 0.5rem; }
.vertical p { max-width: 62ch; }
.vertical .textlink { display: inline-block; margin-top: 0.9rem; }
.vertical--lead h3 {
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem);
}
.vertical--brief { display: flex; align-items: baseline; gap: 1.5rem; }
.vertical--brief h3 { margin-bottom: 0; }
.vertical__status {
  font-family: var(--font-display); font-weight: 500;
  color: var(--text-soft);
}
.vertical > p.vertical__status { margin-top: 0.7rem; }

/* ---- 03 Visualisation ------------------------------------------- */
.viz { margin-top: 2.4rem; }
.viz svg { width: 100%; height: auto; }
.viz__area { fill: var(--surface-2); }
.viz__curve { stroke: var(--text-soft); stroke-width: 1.6; }
.viz__axis { stroke: var(--text); stroke-width: 1.2; }
.viz__ticks line { stroke: var(--text-soft); stroke-width: 1; }
.viz text { font-family: var(--font-mono); font-size: 12px; }
.viz__t { fill: var(--text-soft); }
.viz__m {
  font-family: var(--font-display); font-weight: 600;
  font-size: 12.5px; fill: var(--text);
}
.viz__marker line { stroke: var(--accent); stroke-width: 1.5; }
.viz__marker circle { fill: var(--accent); }
.viz__marker--primary line { stroke-width: 2; }
figcaption {
  margin-top: 0.85rem;
  font-family: var(--font-mono); font-size: 0.76rem;
  color: var(--text-soft); line-height: 1.5;
}

/* ---- 04 Garanties + code ---------------------------------------- */
.guarantees {
  list-style: none; padding: 0; margin-top: 2.2rem;
  display: grid; grid-template-columns: repeat(2, 1fr);
  column-gap: clamp(1.5rem, 4vw, 3rem);
}
.guarantees li {
  padding: 1.4rem 0; border-top: 1px solid var(--rule);
}
.guarantees h3 { margin-bottom: 0.4rem; }
.guarantees p { color: var(--text-soft); max-width: 40ch; }

.code { margin-top: 2.4rem; }
.code pre {
  background: var(--surface-2);
  border: 1px solid var(--rule); border-radius: 2px;
  padding: 1.25rem 1.4rem; overflow-x: auto;
}
.code code {
  font-family: var(--font-mono); font-size: 0.84rem;
  line-height: 1.6; color: var(--text); white-space: pre;
}
.code .c { color: var(--text-soft); }

/* ---- 05 Section inversee : provenance --------------------------- */
.section--invert {
  background: var(--encre-profonde);
  color: var(--text);
  --text:      oklch(0.95 0.006 75);
  --text-soft: oklch(0.72 0.012 280);
  --surface:   var(--encre-profonde);
  --surface-2: oklch(0.255 0.012 280);
  --rule:      oklch(0.40 0.013 280);
  --link:      oklch(0.70 0.16 33);
}

/* bloc de verification */
.verify {
  position: relative; margin-top: 2.4rem;
  border: 1px solid var(--rule); border-radius: 2px;
  background: var(--surface-2);
  padding: 1.5rem clamp(1.25rem, 3vw, 2rem);
  max-width: 44rem;
}
.verify__head {
  display: flex; flex-wrap: wrap; align-items: baseline;
  gap: 0.4rem 1rem; padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule);
}
.verify__title {
  font-family: var(--font-display); font-weight: 600; font-size: 1.05rem;
}
.verify__file {
  font-family: var(--font-mono); font-size: 0.82rem; color: var(--text-soft);
}
.verify__rows { padding: 1rem 0 1.2rem; display: grid; gap: 0.6rem; }
.verify__row {
  display: grid; grid-template-columns: 6.5rem 1fr; gap: 0.3rem 1rem;
}
.verify__row dt {
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-soft);
  padding-top: 0.15rem;
}
.verify__row dd {
  font-family: var(--font-mono); font-size: 0.82rem;
  color: var(--text); word-break: break-all; line-height: 1.5;
}
.verify__action {
  display: flex; flex-wrap: wrap; align-items: center; gap: 1rem;
}
.verify__btn {
  background: none; border: 1px solid var(--text);
  color: var(--text); padding: 0.7rem 1.3rem; border-radius: 2px;
  font-family: var(--font-display); font-weight: 600; font-size: 0.85rem;
  letter-spacing: 0.01em;
  transition: background 0.16s ease-out, color 0.16s ease-out;
}
.verify__btn:hover { background: var(--text); color: var(--surface-2); }
.verify__btn[aria-busy="true"] { opacity: 0.6; }
.verify__result {
  font-family: var(--font-mono); font-size: 0.84rem; color: var(--text);
}
.verify__ok::before {
  content: "\2713 "; color: var(--accent); font-weight: 700;
}
/* etats progressifs */
.js .verify__result { display: none; }
.js .verify.is-verified .verify__result { display: block; }
.no-js .verify__btn { display: none; }
.verify.is-verified .verify__btn { display: none; }

/* sceau */
.verify__seal {
  position: absolute; top: 0.9rem; right: 0.9rem;
  width: clamp(58px, 11vw, 84px); color: var(--accent);
  opacity: 0; transform: scale(0.55) rotate(-9deg);
  transition: opacity 0.4s ease-out, transform 0.5s cubic-bezier(0.16,1,0.3,1);
}
.verify.is-verified .verify__seal {
  opacity: 1; transform: scale(1) rotate(-4deg);
}
.verify__sealtext {
  font-family: var(--font-mono); font-size: 7px;
  letter-spacing: 0.12em; fill: var(--accent);
}

/* liste des assets */
.assets { list-style: none; padding: 0; margin-top: 2.6rem; }
.assets li {
  display: grid; grid-template-columns: 2.75rem 1fr; gap: 1rem;
  padding: 1.05rem 0; border-top: 1px solid var(--rule);
  max-width: 62ch;
}
.assets li:last-child { border-bottom: 1px solid var(--rule); }
.assets__n {
  font-family: var(--font-mono); font-size: 0.92rem; color: var(--accent);
  padding-top: 0.12rem;
}
.assets li span:last-child { line-height: 1.5; }

/* ---- 08 Contact -------------------------------------------------- */
.button {
  display: inline-flex; align-items: center;
  margin-top: 1.8rem;
  background: var(--accent); color: var(--papier);
  padding: 0.95rem 1.9rem; border-radius: 2px;
  text-decoration: none;
  font-family: var(--font-display); font-weight: 600; font-size: 0.95rem;
  letter-spacing: 0.015em;
  transition: background 0.16s ease-out;
}
.button:hover { background: var(--vermillon-profond); }
.contact__note {
  margin-top: 1.8rem; max-width: 56ch;
  font-size: 0.95rem; color: var(--text-soft);
}

/* ---- Pied de page ----------------------------------------------- */
.site-footer {
  position: relative;
  max-width: var(--frame); margin-inline: auto;
  background: var(--surface);
  border-inline: 1px solid var(--rule);
  border-top: 1px solid var(--rule);
  padding: clamp(3rem, 6vw, 5rem) clamp(280px, 32vw, 440px) 3rem var(--pad-inline);
}
.site-footer__mark {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: clamp(280px, 32vw, 440px);
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}
.site-footer__mark img {
  width: auto;
  height: clamp(220px, 28vw, 380px);
  opacity: 0.5;
  display: block;
}
@media (max-width: 720px) {
  .site-footer {
    padding: clamp(3rem, 6vw, 5rem) var(--pad-inline) 3rem;
  }
  .site-footer__mark {
    position: static;
    transform: none;
    margin-top: 1.4rem;
  }
  .site-footer__mark img {
    width: clamp(80px, 22vw, 120px);
  }
}
.site-footer__brand { margin-bottom: 1.2rem; }
.site-footer__brand .wordmark__name {
  font-family: var(--font-display); font-weight: 700; font-size: 1.1rem;
}
.site-footer__brand .wordmark__suffix {
  font-family: var(--font-display); font-weight: 500; font-size: 0.64rem;
  letter-spacing: 0.13em; text-transform: uppercase; color: var(--text-soft);
}
.site-footer__line {
  font-size: 0.92rem; color: var(--text-soft); max-width: 62ch;
  margin-top: 0.3rem;
}
.site-footer__doctrine {
  font-family: var(--font-mono); font-size: 0.78rem; line-height: 1.6;
  margin-top: 1rem;
}
.site-footer__sign {
  font-family: var(--font-display); font-weight: 600; font-size: 1.05rem;
  color: var(--text); margin-top: 1.8rem;
}
.site-footer__meta {
  font-family: var(--font-mono); font-size: 0.74rem;
  color: var(--text-soft); margin-top: 0.5rem;
}

/* ---- Responsive -------------------------------------------------- */
@media (max-width: 820px) {
  .section {
    grid-template-columns: 1fr;
    row-gap: 0;
  }
  .section__num span {
    position: static;
    font-size: 1.6rem; margin-bottom: 0.6rem;
  }
}
@media (max-width: 720px) {
  .site-nav, .site-header__meta { display: none; }
  .nav-toggle { display: inline-block; }
  .sommaire ol { grid-template-columns: 1fr; }
  .sommaire ol > li:nth-last-child(-n+2) { border-bottom: none; }
  .sommaire li:last-child { border-bottom: 1px solid var(--rule); }
  .guarantees { grid-template-columns: 1fr; }
  .guarantees li:last-child { border-bottom: 1px solid var(--rule); }
  .verify__row { grid-template-columns: 1fr; }
}
@media (max-width: 460px) {
  .vertical--brief { flex-direction: column; gap: 0.4rem; }
  .verify__seal { position: static; margin: 0 0 1rem auto; }
}

/* ---- Mouvement reduit ------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .verify__seal { transition: opacity 0.01ms; }
}

/* ---- Impression -------------------------------------------------- */
@media print {
  .site-header, .mobile-menu, .nav-toggle, .verify__btn, .proofstrip { display: none; }
  main, .site-footer { border: none; }
  .section--invert {
    background: var(--papier);
    --text: var(--encre); --text-soft: var(--graphite);
    --surface-2: var(--papier-bande); --rule: oklch(0.85 0.012 280);
  }
}

/* ---- Page Registre ---------------------------------------------- */
.site-nav a[aria-current="page"] { color: var(--text); }
.site-nav a[aria-current="page"]::after {
  content: ""; position: absolute; left: 50%; bottom: -0.1rem;
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--accent); transform: translateX(-50%);
}

.methods { list-style: none; padding: 0; margin-top: 2.2rem; }
.method {
  display: grid; grid-template-columns: 12rem 1fr; gap: 0.6rem 1.75rem;
  padding: 1.5rem 0; border-top: 1px solid var(--rule);
}
.method:last-child { border-bottom: 1px solid var(--rule); }
.method__cmd {
  justify-self: start; align-self: start;
  font-family: var(--font-mono); font-size: 0.85rem; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--rule);
  border-radius: 2px; padding: 0.42rem 0.7rem;
}
.method p { max-width: 54ch; }

.records { list-style: none; padding: 0; margin-top: 2.4rem; }
.record {
  display: grid; grid-template-columns: 10rem 1fr; gap: 0.5rem 2rem;
  padding: 1.7rem 0; border-top: 1px solid var(--rule);
}
.record:last-child { border-bottom: 1px solid var(--rule); }
.record__head { display: flex; flex-direction: column; gap: 0.42rem; }
.record__ref {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.1rem; letter-spacing: -0.01em; color: var(--accent);
}
.record__date {
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-soft);
}
.record__status {
  font-family: var(--font-mono); font-size: 0.68rem;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-soft);
}
.record__status.is-sealed { color: var(--accent); }
.record__title { margin-bottom: 0.4rem; }
.record__desc { max-width: 58ch; color: var(--text-soft); }

@media (max-width: 720px) {
  .method { grid-template-columns: 1fr; }
  .record { grid-template-columns: 1fr; gap: 0.85rem; }
  .record__head {
    flex-direction: row; flex-wrap: wrap;
    align-items: baseline; gap: 0.5rem 1.1rem;
  }
}

/* ---- Bascule de langue ------------------------------------------ */
.lang-switch {
  display: inline-flex; align-items: baseline; gap: 0.4rem;
  font-family: var(--font-mono); font-size: 0.74rem;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.lang-switch__current { color: var(--accent); font-weight: 700; }
.lang-switch__sep { color: var(--rule); }
.lang-switch__alt {
  color: var(--text-soft); text-decoration: none;
  transition: color 0.16s ease-out;
}
.lang-switch__alt:hover { color: var(--accent); }

/* ---- Page Modules ----------------------------------------------- */
.modules-grid {
  margin-top: 2.4rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.module-card {
  background: var(--surface-2);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: clamp(1.2rem, 2vw, 1.7rem);
  display: flex; flex-direction: column;
  position: relative;
  min-height: 32rem;
}
.module-card__glyph {
  aspect-ratio: 1 / 1;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 2px;
  margin-bottom: 1.3rem;
  position: relative;
  overflow: hidden;
}
.module-card__glyph svg { width: 100%; height: 100%; display: block; }
.module-card__head {
  display: flex; align-items: baseline; gap: 0.6rem;
  margin-bottom: 0.55rem;
}
.module-card__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.55rem;
  letter-spacing: -0.01em;
  color: var(--text);
}
.module-card.is-lead .module-card__name { font-size: 1.75rem; }
.module-card__id {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--accent);
}
.module-card__desc {
  font-size: 0.97rem;
  color: var(--text);
  line-height: 1.55;
  margin-bottom: 1rem;
  max-width: none;
}
.module-card__caps {
  list-style: none;
  padding: 0;
  margin: 0 0 1.3rem;
  display: flex; flex-wrap: wrap;
  gap: 0.25rem 0;
}
.module-card__caps li {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--text-soft);
}
.module-card__caps li::after { content: " · "; }
.module-card__caps li:last-child::after { content: ""; }
.module-card__foot {
  margin-top: auto;
  padding-top: 0.9rem;
  border-top: 1px solid var(--rule);
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 0.8rem;
}
.module-card__status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-soft);
}
.module-card__status.is-active { color: var(--accent); }
.module-card__more {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--link);
  text-decoration: none;
  transition: color 0.16s ease-out;
}
.module-card__more::after { content: " →"; }
.module-card__more:hover { color: var(--accent); }

/* Chips */
.chip-row {
  margin-top: 2.2rem;
  display: flex; flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
}
.chip {
  display: inline-flex; align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--rule);
  background: var(--surface-2);
  border-radius: 2px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--text);
  transition: background 0.16s ease-out, color 0.16s ease-out, border-color 0.16s ease-out;
  cursor: default;
}
.chip::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
}
.chip:hover {
  background: var(--encre);
  color: var(--papier);
  border-color: var(--encre);
}
.chip:hover::before { background: var(--papier); }

/* Vision block */
.vision-block {
  margin-top: 2.4rem;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}
.vision-block__portrait {
  aspect-ratio: 4 / 5;
  background: var(--surface-2);
  border: 1px solid var(--rule);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  background-image:
    repeating-linear-gradient(135deg, transparent 0 14px, oklch(0.85 0.012 280 / 0.45) 14px 15px);
}
.vision-block__portrait::after {
  content: "";
  position: absolute;
  inset: 14% 22% auto auto;
  width: 56%; aspect-ratio: 1 / 1;
  background: radial-gradient(circle at center, oklch(0.585 0.182 32 / 0.14), transparent 70%);
  pointer-events: none;
}
.vision-block__portrait .label {
  position: absolute;
  bottom: 1rem; left: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-soft);
}
.vision-block__quote {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.5rem, 1rem + 1.8vw, 2.2rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--text);
}
.vision-block__quote em {
  color: var(--accent);
  font-style: italic;
}
.vision-block__sub {
  margin-top: 1.4rem;
  color: var(--text-soft);
  max-width: 56ch;
}
.vision-block__by {
  margin-top: 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-soft);
  letter-spacing: 0.05em;
}
.vision-block__by strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text);
  font-size: 0.95rem;
  letter-spacing: -0.005em;
  text-transform: none;
  margin-bottom: 0.2rem;
}

/* Badges */
.badge-row {
  margin-top: 2.2rem;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.7rem;
}
.badge {
  aspect-ratio: 1 / 1.1;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 1rem 1rem 1.1rem;
  display: flex; flex-direction: column;
  justify-content: space-between;
}
.badge__seal {
  width: 3.2rem; height: 3.2rem;
  border-radius: 50%;
  border: 1px solid var(--rule);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  color: var(--text);
  text-align: center;
  line-height: 1.05;
}
.badge__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  margin-top: 0.4rem;
  margin-bottom: 0.3rem;
}
.badge__desc {
  font-size: 0.78rem;
  color: var(--text-soft);
  line-height: 1.42;
}

/* Chain of trust */
.chain-row {
  margin-top: 2.4rem;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  align-items: stretch;
}
.chain-step {
  position: relative;
  padding: 1.2rem 1.6rem 1.2rem 0;
  display: flex; flex-direction: column;
  gap: 0.5rem;
}
.chain-step:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: 0.3rem; top: 1.15rem;
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 1rem;
}
.chain-step__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}
.chain-step__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text);
}
.chain-step__desc {
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-soft);
}
.chain-cta { margin-top: 2rem; }

@media (max-width: 1100px) {
  .modules-grid { grid-template-columns: repeat(2, 1fr); }
  .badge-row { grid-template-columns: repeat(3, 1fr); }
  .vision-block { grid-template-columns: 1fr; }
  .vision-block__portrait { max-width: 22rem; }
  .chain-row { grid-template-columns: 1fr; }
  .chain-step:not(:last-child)::after {
    content: "↓"; right: auto; left: 0; top: auto; bottom: -0.5rem;
  }
  .chain-step {
    padding: 1.1rem 0; border-top: 1px solid var(--rule);
  }
  .chain-step:first-child { border-top: none; padding-top: 0; }
}
@media (max-width: 720px) {
  .modules-grid { grid-template-columns: 1fr; }
  .module-card { min-height: 0; }
  .badge-row { grid-template-columns: repeat(2, 1fr); }
}

/* ---- Utilitaire d'accessibilité ---------------------------------- */
.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;
}

/* ---- Bandeau des missions (hero index.html) --------------------- */
.mission-banner {
  margin: clamp(1.6rem, 4vw, 2.8rem) auto 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.2rem, 3vw, 2.4rem);
  align-items: center;
  justify-content: center;
}
.mission-tile {
  width: clamp(56px, 6.5vw, 88px);
  height: clamp(56px, 6.5vw, 88px);
  display: block;
}

@media (max-width: 720px) {
  .mission-banner { gap: 1rem; }
  .mission-tile { width: clamp(40px, 11vw, 64px); height: clamp(40px, 11vw, 64px); }
}

/* ---- Actualités : bandeau de news (section 01) ------------------ */
.news-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  text-align: left;
}
.news-item {
  display: grid;
  grid-template-columns: 6.5rem 11rem minmax(0, 1fr);
  align-items: baseline;
  column-gap: clamp(1rem, 2.4vw, 1.8rem);
  row-gap: 0.35rem;
  padding: 1.05rem 0;
  border-top: 1px solid var(--rule);
}
.news-item:last-child { border-bottom: 1px solid var(--rule); }
.news-item__date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-soft);
  white-space: nowrap;
}
.news-item__cat {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-soft);
  white-space: nowrap;
}
.news-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.02rem;
  line-height: 1.35;
  letter-spacing: -0.005em;
  color: var(--text);
}
.news-item__link { white-space: nowrap; font-size: 0.85rem; margin-left: 0.6rem; }

@media (max-width: 720px) {
  .news-item {
    grid-template-columns: 1fr;
    column-gap: 0;
    row-gap: 0.25rem;
    padding: 0.95rem 0;
  }
  .news-item__title { font-size: 1.05rem; }
}

.news-item__title-link {
  color: inherit;
  text-decoration: none;
  transition: color 0.16s ease-out;
}
.news-item__title-link:hover { color: var(--link); }
.news-item--linked .news-item__title-link { cursor: pointer; }

/* ---- ArticlePage : viewer markdown des rapports publics ---------- */
.article-page {
  padding: clamp(2.5rem, 6vw, 5rem) var(--pad-inline);
  max-width: var(--frame);
  margin: 0 auto;
  text-align: left;
}
.article-page__crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem 1.5rem;
  margin-bottom: 2.2rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--rule);
}
.article-page__back {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.88rem;
  color: var(--link);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.16s ease-out;
}
.article-page__back:hover { color: var(--accent); }
.article-page__path {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-soft);
}
.article-page__loading,
.article-page__error {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-soft);
  padding: 2rem 0;
}
.article-page__body {
  max-width: 56rem;
  font-family: var(--font-body);
  color: var(--text);
  font-size: clamp(1.05rem, 1.01rem + 0.22vw, 1.19rem);
  line-height: 1.62;
}
.article-page__body h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 1.5rem + 2vw, 2.8rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 0.8rem;
}
.article-page__body h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.45rem, 1.1rem + 1.5vw, 2rem);
  letter-spacing: -0.01em;
  line-height: 1.18;
  margin: 3rem 0 0.8rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--rule);
}
.article-page__body h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  margin: 2rem 0 0.6rem;
  letter-spacing: -0.005em;
}
.article-page__body h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  margin: 1.6rem 0 0.5rem;
}
.article-page__body p { margin: 0 0 1.05rem; }
.article-page__body strong { font-weight: 600; }
.article-page__body em { font-style: italic; }
.article-page__body a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.article-page__body a:hover { color: var(--accent); }
.article-page__body code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--surface-2);
  padding: 0.1em 0.35em;
  border: 1px solid var(--rule);
  border-radius: 2px;
}
.article-page__body pre {
  background: var(--surface-2);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 1rem 1.2rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}
.article-page__body pre code {
  background: transparent;
  border: 0;
  padding: 0;
  font-size: 0.85rem;
}
.article-page__body blockquote {
  margin: 1.8rem 0;
  padding: 1rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-body);
  font-style: italic;
  color: var(--text-soft);
}
.article-page__body blockquote p { margin: 0; }
.article-page__body ul,
.article-page__body ol {
  margin: 1rem 0 1.05rem 1.5rem;
  padding: 0;
}
.article-page__body li { margin-bottom: 0.35rem; }
.article-page__body hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 2.5rem 0;
}
.article-page__body figure {
  margin: 2.5rem 0;
  padding: clamp(1rem, 2.5vw, 1.6rem);
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 2px;
}
.article-page__body figure svg {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
}
.article-page__body figcaption {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-soft);
  line-height: 1.55;
  margin-top: 1rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--rule);
}
.article-page__body figcaption strong { color: var(--text); }
.article-page__body figcaption code {
  font-size: 0.85em;
  background: transparent;
  border: 0;
  padding: 0;
  color: var(--text);
}
.article-page__body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.8rem 0;
  font-size: 0.95rem;
}
.article-page__body th,
.article-page__body td {
  text-align: left;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
.article-page__body th {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-soft);
  border-bottom: 1px solid var(--text);
}
.article-page__body td code { font-size: 0.85em; }