/* ==========================================================================
   L'Euro numérique — Feuille de style globale
   Palette éditoriale : fond crème, encre profonde, bleu BCE, accent cuivre
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght,SOFT,WONK@9..144,300..900,0..100,0..1&family=Source+Serif+4:opsz,wght@8..60,300..700&family=Archivo:wght@400;500;600;700&display=swap');

:root {
  /* Couleurs */
  --bg: #f4efe4;
  --bg-alt: #ebe4d4;
  --ink: #141520;
  --ink-soft: #3d3e4e;
  --ink-mute: #6a6b7a;
  --rule: #d6ccb4;
  --rule-soft: #e4dcc8;
  --eu-blue: #0a2472;
  --eu-blue-deep: #061a55;
  --copper: #a85d1f;
  --copper-soft: #c8873f;
  --warn: #8a2e2e;

  /* Typographie */
  --font-display: 'Fraunces', 'Times New Roman', serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-ui: 'Archivo', system-ui, sans-serif;

  /* Rythme */
  --maxw: 1240px;
  --maxw-read: 68ch;
  --gap: 1.5rem;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  background-image:
    radial-gradient(circle at 15% 0%, rgba(10,36,114,0.04), transparent 40%),
    radial-gradient(circle at 85% 100%, rgba(168,93,31,0.05), transparent 40%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ========== Lien ========== */
a { color: var(--eu-blue); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; transition: color .2s; }
a:hover { color: var(--copper); }

/* ========== En-tête ========== */
.site-header {
  border-bottom: 1px solid var(--rule);
  background: rgba(244, 239, 228, 0.92);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 50;
}

.site-header__top {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.25rem 1.75rem .85rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  text-decoration: none;
  color: var(--ink);
  display: inline-flex;
  align-items: baseline;
  gap: .6rem;
}
.brand__mark {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--eu-blue);
  letter-spacing: -0.02em;
  line-height: 1;
}
.brand__mark em { font-style: italic; color: var(--copper); font-weight: 600; }
.brand__tag {
  font-family: var(--font-ui);
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--ink-mute);
}

.site-header__date {
  font-family: var(--font-ui);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .16em;
  color: var(--ink-mute);
}

/* ========== Navigation ========== */
.site-nav {
  border-top: 1px solid var(--rule-soft);
  background: var(--bg);
}
.site-nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: .4rem 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0 2rem;
  font-family: var(--font-ui);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .12em;
}
.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  padding: .75rem 0;
  border-bottom: 2px solid transparent;
  font-weight: 500;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--eu-blue); border-bottom-color: var(--copper); }

/* ========== Fil d'Ariane ========== */
.breadcrumb {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.25rem 1.75rem 0;
  font-family: var(--font-ui);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--ink-mute);
}
.breadcrumb a { color: var(--ink-mute); text-decoration: none; }
.breadcrumb a:hover { color: var(--eu-blue); }
.breadcrumb > * + *::before { content: " / "; margin: 0 .6rem; color: var(--rule); }

/* ========== Structure ========== */
main { max-width: var(--maxw); margin: 0 auto; padding: 2.5rem 1.75rem 5rem; }
section + section { margin-top: 4.5rem; }

/* ========== Titres ========== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.015em;
  line-height: 1.15;
}
h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); font-weight: 400; }
h1 em { font-style: italic; color: var(--eu-blue); }
h2 { font-size: clamp(1.6rem, 3vw, 2.15rem); margin-bottom: 1.25rem; }
h3 { font-size: 1.3rem; margin-bottom: .75rem; }

.eyebrow {
  font-family: var(--font-ui);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .22em;
  color: var(--copper);
  font-weight: 600;
  margin-bottom: 1rem;
  display: inline-block;
}

.section-title {
  border-top: 1px solid var(--ink);
  padding-top: 1.25rem;
  margin-bottom: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 2rem;
  flex-wrap: wrap;
}
.section-title__num {
  font-family: var(--font-ui);
  font-size: .8rem;
  color: var(--ink-mute);
  letter-spacing: .2em;
}

/* ========== Hero d'accueil ========== */
.hero {
  padding: 3.5rem 0 3rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 960px) { .hero { grid-template-columns: 1.6fr 1fr; align-items: end; } }

.hero__kicker {
  font-family: var(--font-ui);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .24em;
  color: var(--copper);
  margin-bottom: 1rem;
}
.hero__headline {
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1.05;
  font-weight: 400;
  letter-spacing: -0.02em;
}
.hero__headline em { font-style: italic; color: var(--eu-blue); }
.hero__lede {
  font-size: 1.2rem;
  margin-top: 1.5rem;
  color: var(--ink-soft);
  max-width: 55ch;
  line-height: 1.5;
}

.hero__status {
  border-left: 3px solid var(--copper);
  padding: .25rem 0 .25rem 1.25rem;
  font-size: .95rem;
}
.hero__status .label {
  font-family: var(--font-ui);
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--ink-mute);
  display: block;
  margin-bottom: .35rem;
}
.hero__status .date {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--eu-blue);
}

/* ========== Grille d'articles ========== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem 2rem;
}
.card {
  display: flex;
  flex-direction: column;
  border-top: 2px solid var(--ink);
  padding-top: 1rem;
  transition: border-color .2s;
}
.card:hover { border-top-color: var(--copper); }
.card__cat {
  font-family: var(--font-ui);
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .2em;
  color: var(--copper);
  font-weight: 600;
  margin-bottom: .6rem;
}
.card__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.25;
  margin-bottom: .6rem;
  font-weight: 500;
}
.card__title a {
  color: var(--ink);
  text-decoration: none;
  background-image: linear-gradient(var(--copper), var(--copper));
  background-repeat: no-repeat;
  background-size: 0 1px;
  background-position: 0 100%;
  transition: background-size .3s;
}
.card__title a:hover { background-size: 100% 1px; color: var(--eu-blue); }
.card__excerpt { color: var(--ink-soft); font-size: .98rem; line-height: 1.55; }
.card__meta {
  margin-top: .8rem;
  font-family: var(--font-ui);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--ink-mute);
}

/* ========== Timeline ========== */
.timeline { border-left: 2px solid var(--rule); padding-left: 1.75rem; margin-top: 1rem; }
.timeline__item { position: relative; padding: .6rem 0 1.75rem; }
.timeline__item::before {
  content: ""; position: absolute; left: -2.1rem; top: 1rem;
  width: 10px; height: 10px; background: var(--copper); border-radius: 50%;
  box-shadow: 0 0 0 4px var(--bg);
}
.timeline__item.done::before { background: var(--eu-blue); }
.timeline__date {
  font-family: var(--font-ui);
  font-size: .75rem; text-transform: uppercase; letter-spacing: .18em;
  color: var(--copper); font-weight: 600;
}
.timeline__item.done .timeline__date { color: var(--eu-blue); }
.timeline__title { font-family: var(--font-display); font-size: 1.2rem; font-weight: 500; margin: .2rem 0 .35rem; }
.timeline__desc { color: var(--ink-soft); font-size: .96rem; }

/* ========== Article (long texte) ========== */
.article { display: grid; grid-template-columns: 1fr; gap: 3rem; }
@media (min-width: 1040px) {
  .article { grid-template-columns: minmax(0, 1fr) 260px; gap: 4rem; }
}

.article__body { max-width: var(--maxw-read); }
.article__body h2 { margin: 2.5rem 0 1rem; font-size: 1.75rem; }
.article__body h3 { margin: 2rem 0 .75rem; color: var(--eu-blue); }
.article__body p { margin-bottom: 1.15rem; }
.article__body ul, .article__body ol { margin: 0 0 1.25rem 1.4rem; }
.article__body li { margin-bottom: .45rem; }
.article__body blockquote {
  border-left: 3px solid var(--copper);
  padding: .5rem 0 .5rem 1.5rem;
  margin: 1.75rem 0;
  font-family: var(--font-display); font-style: italic;
  font-size: 1.2rem; color: var(--ink-soft);
}
.article__body figure { margin: 2rem 0; }
.article__body figcaption {
  font-family: var(--font-ui); font-size: .78rem;
  text-transform: uppercase; letter-spacing: .14em; color: var(--ink-mute);
  margin-top: .5rem; text-align: center;
}
.article__meta {
  display: flex; gap: 1.5rem; flex-wrap: wrap;
  font-family: var(--font-ui); font-size: .76rem;
  text-transform: uppercase; letter-spacing: .16em; color: var(--ink-mute);
  border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
  padding: .9rem 0; margin: 1.5rem 0 2.5rem;
}
.article__dropcap::first-letter {
  font-family: var(--font-display); font-weight: 500;
  float: left; font-size: 4.6rem; line-height: .85;
  padding: .3rem .6rem 0 0; color: var(--eu-blue);
}

/* ========== Aside / sommaire ========== */
.aside { font-size: .92rem; }
.aside__title {
  font-family: var(--font-ui); font-size: .72rem;
  text-transform: uppercase; letter-spacing: .2em; color: var(--ink-mute);
  border-top: 2px solid var(--ink); padding-top: .8rem; margin-bottom: 1rem; font-weight: 700;
}
.aside__toc { list-style: none; padding: 0; }
.aside__toc li { padding: .4rem 0; border-bottom: 1px solid var(--rule-soft); }
.aside__toc a { color: var(--ink-soft); text-decoration: none; }
.aside__toc a:hover { color: var(--eu-blue); }

/* ========== Encarts ========== */
.callout {
  background: var(--bg-alt);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--copper);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}
.callout--warn { border-left-color: var(--warn); }
.callout__label {
  font-family: var(--font-ui);
  font-size: .7rem; text-transform: uppercase; letter-spacing: .2em;
  color: var(--copper); font-weight: 700; display: block; margin-bottom: .35rem;
}
.callout--warn .callout__label { color: var(--warn); }

/* ========== Tableaux ========== */
table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: .96rem; }
th, td { text-align: left; padding: .7rem .9rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-family: var(--font-ui); font-size: .75rem; text-transform: uppercase; letter-spacing: .14em; color: var(--ink-mute); font-weight: 600; background: var(--bg-alt); }

/* ========== Pied de page ========== */
.site-footer {
  border-top: 1px solid var(--rule);
  background: var(--eu-blue-deep);
  color: #d5d9ea;
  margin-top: 6rem;
}
.site-footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 3rem 1.75rem 2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 760px) { .site-footer__inner { grid-template-columns: 1.5fr 1fr 1fr 1fr; } }
.site-footer h4 {
  font-family: var(--font-ui);
  font-size: .72rem; text-transform: uppercase; letter-spacing: .2em;
  color: var(--copper-soft); margin-bottom: 1rem; font-weight: 700;
}
.site-footer ul { list-style: none; }
.site-footer li { padding: .25rem 0; font-size: .92rem; }
.site-footer a { color: #eae3d2; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer__brand p { color: #b8bdd0; font-size: .92rem; margin-top: .75rem; line-height: 1.55; }
.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 1rem; padding: 1.25rem 1.75rem;
  max-width: var(--maxw); margin-left: auto; margin-right: auto;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  font-family: var(--font-ui); font-size: .72rem;
  text-transform: uppercase; letter-spacing: .16em; color: #9299b2;
}

/* ========== Boutons ========== */
.btn {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: .78rem; text-transform: uppercase; letter-spacing: .16em;
  padding: .85rem 1.5rem;
  border: 1px solid var(--ink);
  background: var(--ink); color: var(--bg);
  text-decoration: none; font-weight: 600;
  transition: all .2s;
}
.btn:hover { background: var(--eu-blue); border-color: var(--eu-blue); color: #fff; }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--bg); }

/* ========== Liste de sous-sections ========== */
.subnav { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 1rem; padding: 0; }
.subnav li { border: 1px solid var(--rule); background: var(--bg-alt); padding: 1.25rem 1.4rem; transition: all .2s; }
.subnav li:hover { border-color: var(--copper); transform: translateY(-2px); }
.subnav a { text-decoration: none; color: var(--ink); display: block; }
.subnav__num {
  font-family: var(--font-ui); font-size: .7rem;
  text-transform: uppercase; letter-spacing: .2em; color: var(--copper); font-weight: 700;
}
.subnav__title { font-family: var(--font-display); font-size: 1.15rem; margin: .35rem 0 .3rem; }
.subnav__desc { color: var(--ink-mute); font-size: .88rem; line-height: 1.45; }

/* ========== Utilitaires ========== */
.lede { font-size: 1.25rem; line-height: 1.55; color: var(--ink-soft); max-width: 58ch; margin-bottom: 2rem; }
.note { color: var(--ink-mute); font-size: .88rem; }
.tag {
  display: inline-block; font-family: var(--font-ui);
  font-size: .68rem; text-transform: uppercase; letter-spacing: .18em;
  padding: .25rem .6rem; border: 1px solid var(--rule); border-radius: 2px;
  color: var(--ink-soft); margin-right: .4rem;
}
hr.rule { border: none; border-top: 1px solid var(--rule); margin: 3rem 0; }

/* ========== Responsive ========== */
@media (max-width: 640px) {
  .site-header__top { flex-direction: column; align-items: flex-start; gap: .5rem; padding: 1rem 1.25rem; }
  .site-nav__inner { padding: .5rem 1.25rem; gap: 0 1.2rem; font-size: .75rem; }
  main { padding: 2rem 1.25rem 3.5rem; }
  .breadcrumb { padding: 1rem 1.25rem 0; }
}

/* === Bloc source d'article (pour articles republiés depuis Overblog) === */
.article__divider {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 3rem 0 1.5rem;
  max-width: 65ch;
}
.article__source {
  font-size: .85rem;
  color: var(--ink-soft);
  font-style: italic;
  max-width: 65ch;
}
.article__source em { font-style: italic; }

/* === Figure d'illustration dans un article === */
.article__figure {
  margin: 2rem 0;
  max-width: 65ch;
}
.article__figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
  box-shadow: 0 4px 18px -8px rgba(20, 21, 32, 0.25);
}
.article__figure figcaption {
  font-size: .85rem;
  color: var(--ink-soft);
  font-style: italic;
  text-align: center;
  margin-top: .5rem;
  line-height: 1.4;
}

/* === Lien "approfondir" sous une section d'article === */
.article__deeper {
  font-size: .9rem;
  color: var(--ink-soft);
  font-style: italic;
  border-left: 3px solid var(--copper);
  padding-left: 1rem;
  margin: 1.5rem 0;
  max-width: 65ch;
}
.article__deeper a { color: var(--blue-bce); font-weight: 500; }