/* Prépa Civique — feuille de style du site statique */
:root {
  --bleu: #0B3D91;
  --bleu-clair: #1657C8;
  --rouge: #E63946;
  --encre: #1B1F3B;
  --fond: #F6F7FB;
  --carte: #ffffff;
  --texte: #1B1F3B;
  --texte-doux: #5b6072;
  --bordure: #e7e9f0;
  --vert: #2A9D8F;
  --or: #F4A259;
  --rayon: 16px;
  --ombre: 0 1px 3px rgba(16, 24, 64, .06), 0 8px 24px rgba(16, 24, 64, .04);
}
@media (prefers-color-scheme: dark) {
  :root {
    --fond: #0f1226;
    --carte: #171a33;
    --texte: #eef0f8;
    --texte-doux: #a6abc4;
    --bordure: #2a2e4d;
    --encre: #eef0f8;
    --ombre: 0 1px 3px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--texte);
  background: var(--fond);
  line-height: 1.6;
}
a { color: var(--bleu); }
img { max-width: 100%; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 820px; }

/* En-tête */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--carte);
  border-bottom: 1px solid var(--bordure);
  backdrop-filter: saturate(180%) blur(8px);
}
.site-header .bar {
  display: flex; align-items: center; gap: 12px;
  height: 62px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--texte); font-weight: 800; font-size: 18px; }
.brand img { height: 34px; }
.nav { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; }
.nav a {
  text-decoration: none; color: var(--texte-doux);
  padding: 8px 12px; border-radius: 10px; font-weight: 600; font-size: 14.5px;
}
.nav a:hover { background: var(--fond); color: var(--bleu); }
.nav a.cta { background: var(--rouge); color: #fff; }
.burger { display: none; margin-left: auto; background: none; border: 0; font-size: 26px; color: var(--texte); cursor: pointer; }
@media (max-width: 760px) {
  .nav { display: none; position: absolute; top: 62px; left: 0; right: 0; flex-direction: column; background: var(--carte); border-bottom: 1px solid var(--bordure); padding: 8px 20px 16px; }
  .nav.open { display: flex; }
  .burger { display: block; }
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--bleu), var(--bleu-clair));
  color: #fff;
  padding: 56px 0;
}
.hero .wrap { display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: center; }
.hero h1 { font-size: 34px; line-height: 1.15; margin: 0 0 14px; }
.hero p.lead { font-size: 17px; color: #e2e8ff; margin: 0 0 22px; }
.hero .logo-badge { text-align: center; }
.hero .logo-badge img { height: 210px; filter: drop-shadow(0 12px 30px rgba(0,0,0,.35)); }
@media (max-width: 760px) {
  .hero .wrap { grid-template-columns: 1fr; text-align: center; }
  .hero h1 { font-size: 27px; }
  .hero .logo-badge img { height: 150px; }
}

/* Boutons */
.btn { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 700; border: 0; cursor: pointer; border-radius: 12px; padding: 13px 22px; font-size: 15.5px; transition: transform .08s ease, box-shadow .2s ease; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--rouge); color: #fff; }
.btn-light { background: #fff; color: var(--bleu); }
.btn-ghost { background: rgba(255,255,255,.15); color: #fff; }
.btn-blue { background: var(--bleu); color: #fff; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }
@media (max-width: 760px) { .btn-row { justify-content: center; } }

/* Stats */
.stats { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.stat { background: rgba(255,255,255,.15); border-radius: 12px; padding: 8px 14px; }
.stat b { font-size: 18px; }
.stat span { color: #dbe4ff; font-size: 13px; margin-left: 5px; }

/* Sections */
section.block { padding: 44px 0; }
h2.title { font-size: 24px; margin: 0 0 6px; }
p.subtitle { color: var(--texte-doux); margin: 0 0 22px; }

/* Cartes / grilles */
.grid { display: grid; gap: 14px; }
.grid.cols-3 { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.card {
  background: var(--carte); border: 1px solid var(--bordure);
  border-radius: var(--rayon); padding: 18px; box-shadow: var(--ombre);
  text-decoration: none; color: var(--texte); display: block;
  transition: transform .12s ease, box-shadow .2s ease;
}
a.card:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(16,24,64,.12); }
.card .ico { width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 10px; }
.card h3 { margin: 0 0 4px; font-size: 16.5px; }
.card p { margin: 0; color: var(--texte-doux); font-size: 14px; }
.theme-card { display: flex; align-items: center; gap: 12px; }
.theme-card .num { font-weight: 800; color: var(--bleu); font-size: 14px; }
.theme-card .em { font-size: 26px; }

/* Contenu fiche */
article h1 { font-size: 28px; line-height: 1.2; }
.breadcrumb { color: var(--texte-doux); font-size: 13px; margin: 8px 0 0; }
.breadcrumb a { color: var(--texte-doux); }
.lead-sum { font-size: 17px; }
.section-card { background: var(--carte); border: 1px solid var(--bordure); border-radius: var(--rayon); padding: 18px; margin: 14px 0; box-shadow: var(--ombre); }
.section-card h2 { margin: 0 0 8px; font-size: 18px; }
ul.kp { padding-left: 20px; margin: 10px 0 0; }
ul.kp li { margin: 5px 0; }
.dates { width: 100%; border-collapse: collapse; }
.dates td { border-bottom: 1px solid var(--bordure); padding: 9px 6px; vertical-align: top; }
.dates td.d { font-weight: 800; color: var(--bleu); white-space: nowrap; width: 96px; }
.memo { background: var(--bleu); color: #fff; border-radius: var(--rayon); padding: 18px; margin: 18px 0; }
.memo h3 { margin: 0 0 10px; }
.memo li { margin: 6px 0; }
.faq dt { font-weight: 700; margin-top: 16px; }
.faq dd { margin: 6px 0 0; color: var(--texte-doux); }

/* Dates & chiffres à retenir */
.search {
  width: 100%; padding: 13px 16px; margin: 8px 0 4px;
  border: 1.6px solid var(--bordure); border-radius: 12px;
  background: var(--carte); color: var(--texte); font-size: 15.5px;
}
.search:focus { outline: none; border-color: var(--bleu); }

.timeline { border-left: 3px solid var(--bordure); margin: 16px 0 0 10px; padding-left: 0; }
.tl-item { display: flex; gap: 14px; align-items: flex-start; padding: 10px 0 10px 18px; position: relative; }
.tl-item::before {
  content: ""; position: absolute; left: -7px; top: 20px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--carte); border: 3px solid var(--bordure);
}
.tl-date {
  flex: none; min-width: 92px; text-align: center; color: #fff;
  font-weight: 800; font-size: 13.5px; padding: 5px 10px; border-radius: 8px;
}
.tl-body { display: flex; flex-direction: column; gap: 2px; }
.tl-theme { font-size: 12.5px; font-weight: 700; text-decoration: none; }
.tl-theme:hover { text-decoration: underline; }

.num-head {
  font-size: 17px; margin: 26px 0 10px;
  border-left: 4px solid var(--bleu); padding-left: 12px;
}
.num-head a { text-decoration: none; color: var(--texte); }
.num-head a:hover { text-decoration: underline; }
.num-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); margin: 10px 0; }
.num-card {
  background: var(--carte); border: 1px solid var(--bordure);
  border-left: 4px solid var(--bleu); border-radius: 12px;
  padding: 14px 16px; box-shadow: var(--ombre);
  display: flex; flex-direction: column; gap: 3px;
}
.num-card b { font-size: 24px; font-weight: 900; line-height: 1.15; }
.num-card span { color: var(--texte-doux); font-size: 14px; }
@media (max-width: 560px) {
  .tl-date { min-width: 76px; font-size: 12.5px; }
  .tl-item { gap: 10px; }
}

/* Lecteur audio fiche */
.audio-bar { display: flex; align-items: center; gap: 12px; background: color-mix(in srgb, var(--bleu) 8%, var(--carte)); border: 1px solid var(--bordure); border-radius: 14px; padding: 10px 14px; margin: 14px 0; }
.audio-bar button { background: none; border: 0; color: var(--bleu); font-size: 34px; cursor: pointer; line-height: 1; }
.audio-bar .meta { flex: 1; }
.audio-bar .meta b { font-size: 14px; }
.audio-bar audio { width: 100%; }

/* Quiz */
.quiz { margin-top: 16px; }
.quiz .qcount { color: var(--texte-doux); font-weight: 600; }
.quiz .qtext { font-size: 19px; font-weight: 800; margin: 12px 0 16px; }
.opt {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  background: var(--carte); border: 1.6px solid var(--bordure); border-radius: 14px;
  padding: 15px 16px; margin-bottom: 10px; cursor: pointer; font-size: 15.5px; color: var(--texte);
}
.opt:hover { border-color: var(--bleu); }
.opt .letter { width: 26px; height: 26px; border-radius: 50%; background: var(--fond); display: flex; align-items: center; justify-content: center; font-weight: 700; flex: none; }
.opt.correct { border-color: var(--vert); background: color-mix(in srgb, var(--vert) 10%, var(--carte)); }
.opt.wrong { border-color: var(--rouge); background: color-mix(in srgb, var(--rouge) 10%, var(--carte)); }
.opt[disabled] { cursor: default; }
.explain { border-radius: 14px; padding: 14px; margin: 12px 0; }
.explain.ok { background: color-mix(in srgb, var(--vert) 12%, var(--carte)); }
.explain.ko { background: color-mix(in srgb, var(--rouge) 12%, var(--carte)); }
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 700; }
.badge.know { background: color-mix(in srgb, var(--bleu) 14%, var(--carte)); color: var(--bleu); }
.badge.situ { background: color-mix(in srgb, var(--or) 20%, var(--carte)); color: #9a5b12; }
.progressbar { height: 6px; background: var(--bordure); border-radius: 6px; overflow: hidden; margin: 8px 0 4px; }
.progressbar > i { display: block; height: 100%; background: var(--bleu); width: 0; transition: width .3s ease; }

/* Résultat */
.result { text-align: center; padding: 20px; }
.result .circle { width: 150px; height: 150px; border-radius: 50%; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; margin: 8px 0 16px; }
.result .circle b { font-size: 36px; font-weight: 900; }

/* Médias */
.media-item { display: flex; gap: 14px; align-items: center; }
.media-item .thumb { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 28px; flex: none; }
video, audio { border-radius: 12px; }

/* Entretien */
.qa { background: var(--carte); border: 1px solid var(--bordure); border-radius: 14px; margin: 10px 0; overflow: hidden; }
.qa summary { cursor: pointer; padding: 15px 16px; font-weight: 700; list-style: none; display: flex; gap: 10px; align-items: flex-start; }
.qa summary::-webkit-details-marker { display: none; }
.qa .ans { padding: 0 16px 16px; color: var(--texte-doux); }
.tip { background: color-mix(in srgb, var(--or) 14%, var(--carte)); border-radius: 12px; padding: 12px 14px; margin-bottom: 12px; }

/* Pied de page */
.site-footer { background: var(--encre); color: #cfd3e6; margin-top: 40px; }
@media (prefers-color-scheme: dark) { .site-footer { background: #0a0c1d; } }
.site-footer .wrap { padding: 30px 20px; }
.site-footer .cols { display: flex; flex-wrap: wrap; gap: 40px; }
.site-footer h4 { color: #fff; font-size: 13px; letter-spacing: .6px; text-transform: uppercase; margin: 0 0 12px; }
.site-footer a { color: #cfd3e6; text-decoration: none; display: block; margin-bottom: 8px; }
.site-footer a:hover { color: #fff; }
.site-footer .brandcol { max-width: 300px; }
.site-footer .brandcol img { height: 34px; }
.site-footer .legal { border-top: 1px solid rgba(255,255,255,.14); margin-top: 22px; padding-top: 14px; font-size: 12.5px; color: #9096b3; }

/* Modale légale */
dialog { border: 0; border-radius: 16px; max-width: 520px; padding: 22px; color: var(--texte); background: var(--carte); box-shadow: 0 20px 60px rgba(0,0,0,.3); }
dialog::backdrop { background: rgba(10,12,29,.55); }
dialog h3 { margin-top: 0; }
dialog .close { margin-top: 12px; }

.center { text-align: center; }
.mt { margin-top: 22px; }
.hidden { display: none !important; }