/* ============================================================
   Assurance Cheval Chevaux, le guide d'assurance pour vos chevaux
   Feuille unique, aucun framework, aucune dependance externe
   ============================================================ */

:root {
  --fond: #f5f7f9;
  --carte: #ffffff;
  --encre: #1d3557;
  --encre-2: #3d5a80;
  --bleu: #457b9d;
  --ciel: #dbe9f4;
  --corail: #e07a5f;
  --ecru: #f4f1ea;
  --gris: #6b7b8c;
  --ombre: 0 12px 32px rgba(29, 53, 87, .10);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--fond);
  color: var(--encre);
  line-height: 1.75;
  font-size: 17px;
}

img { max-width: 100%; display: block; }
a { color: var(--bleu); }
a:hover { color: var(--corail); }

.boite { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---------- En-tête ---------- */
header.haut {
  background: var(--carte);
  border-bottom: 1px solid #e3e9ef;
  position: sticky;
  top: 0;
  z-index: 10;
}
.barre {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo svg { width: 40px; height: 40px; flex: none; }
.logo .nom {
  font-weight: 700;
  font-size: 19px;
  color: var(--encre);
  line-height: 1.2;
}
.logo .nom span { color: var(--corail); }
.logo .sous {
  font-size: 12.5px;
  color: var(--gris);
  font-weight: 400;
}
nav.liens { display: flex; gap: 4px; flex-wrap: wrap; }
nav.liens a {
  text-decoration: none;
  color: var(--encre-2);
  font-size: 14.5px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 999px;
}
nav.liens a:hover, nav.liens a.ici { background: var(--ciel); color: var(--encre); }

/* ---------- Bandeau héro ---------- */
.heros {
  background: linear-gradient(135deg, var(--encre) 0%, #2a4a72 60%, var(--bleu) 100%);
  color: #eef4fa;
  padding: 64px 0 72px;
}
.heros .boite {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: center;
}
.heros .etiquette {
  display: inline-block;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: .04em;
  padding: 5px 14px;
  margin-bottom: 18px;
}
.heros h1 {
  font-size: 42px;
  line-height: 1.12;
  letter-spacing: -.01em;
  margin-bottom: 16px;
}
.heros h1 em { font-style: normal; color: #f4b8a5; }
.heros p { color: #d4e2ef; margin-bottom: 12px; max-width: 54ch; }
.heros .btn {
  display: inline-block;
  background: var(--corail);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  padding: 13px 28px;
  border-radius: 999px;
  margin-top: 14px;
  box-shadow: 0 8px 20px rgba(224, 122, 95, .35);
}
.heros .btn:hover { background: #c96549; color: #fff; }
.heros figure img {
  border-radius: 14px;
  box-shadow: 0 18px 40px rgba(10, 20, 35, .35);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

/* ---------- Points clés ---------- */
.points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin: -34px auto 0;
  position: relative;
}
.point {
  background: var(--carte);
  border-radius: 12px;
  box-shadow: var(--ombre);
  padding: 20px 22px;
  font-size: 15px;
  color: var(--encre-2);
}
.point strong { display: block; color: var(--encre); font-size: 16.5px; margin-bottom: 4px; }

/* ---------- Liste d'articles ---------- */
section.guide { padding: 56px 0 30px; }
.entete-section { margin-bottom: 26px; }
.entete-section .surtitre {
  color: var(--corail);
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.entete-section h2 { font-size: 30px; letter-spacing: -.01em; }

.fiche {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 0;
  background: var(--carte);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--ombre);
  margin-bottom: 26px;
}
.fiche img { height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.fiche .texte { padding: 28px 32px; display: flex; flex-direction: column; gap: 10px; justify-content: center; }
.fiche .theme {
  align-self: flex-start;
  background: var(--ciel);
  color: var(--encre);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 4px 12px;
}
.fiche h3 { font-size: 23px; line-height: 1.25; }
.fiche h3 a { text-decoration: none; color: var(--encre); }
.fiche h3 a:hover { color: var(--bleu); }
.fiche p { color: var(--gris); font-size: 15.5px; }
.fiche .suite { font-weight: 700; font-size: 14.5px; text-decoration: none; }

/* ---------- Bloc réassurance ---------- */
.bloc-note {
  background: var(--ecru);
  border-radius: 14px;
  padding: 34px 38px;
  margin: 26px 0 64px;
}
.bloc-note h3 { font-size: 22px; margin-bottom: 8px; }
.bloc-note p { color: var(--encre-2); max-width: 75ch; }

/* ---------- Page article ---------- */
.chemin {
  font-size: 13.5px;
  color: var(--gris);
  padding: 18px 0 0;
}
.chemin a { text-decoration: none; }

article.dossier {
  max-width: 760px;
  margin: 0 auto;
  background: var(--carte);
  border-radius: 14px;
  box-shadow: var(--ombre);
  padding: 40px 48px 44px;
  margin-top: 22px;
  margin-bottom: 26px;
}
article.dossier .theme {
  display: inline-block;
  background: var(--ciel);
  color: var(--encre);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 14px;
}
article.dossier h1 { font-size: 34px; line-height: 1.15; letter-spacing: -.01em; margin-bottom: 10px; }
article.dossier .infos { font-size: 14px; color: var(--gris); margin-bottom: 24px; }
article.dossier figure { margin: 0 0 26px; }
article.dossier figure img {
  border-radius: 10px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  width: 100%;
}
article.dossier figcaption { font-size: 13px; color: var(--gris); margin-top: 8px; }
article.dossier h2 {
  font-size: 24px;
  margin: 32px 0 12px;
  padding-left: 14px;
  border-left: 4px solid var(--corail);
}
article.dossier p { margin-bottom: 16px; color: #2b3f57; }
article.dossier ul, article.dossier ol { margin: 0 0 16px 24px; color: #2b3f57; }
article.dossier li { margin-bottom: 8px; }

.sommaire {
  background: var(--fond);
  border: 1px solid #e3e9ef;
  border-radius: 10px;
  padding: 18px 22px;
  margin-bottom: 26px;
  font-size: 15px;
}
.sommaire .titre-som {
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gris);
  margin-bottom: 8px;
}
.sommaire ol { margin: 0 0 0 20px; }
.sommaire a { text-decoration: none; }

.voir-aussi {
  max-width: 760px;
  margin: 0 auto 64px;
}
.voir-aussi .cadre {
  background: var(--ciel);
  border-radius: 12px;
  padding: 22px 28px;
}
.voir-aussi h4 { font-size: 17px; margin-bottom: 8px; }
.voir-aussi a { font-weight: 600; }

/* ---------- Pied de page ---------- */
footer.bas {
  background: var(--encre);
  color: #c9d8e6;
  font-size: 14.5px;
}
footer.bas .colonnes {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 36px;
  padding: 44px 0 28px;
}
footer.bas h5 { color: #fff; font-size: 15.5px; margin-bottom: 10px; }
footer.bas ul { list-style: none; }
footer.bas li { margin-bottom: 7px; }
footer.bas a { color: #c9d8e6; text-decoration: none; }
footer.bas a:hover { color: #f4b8a5; }
footer.bas .fin {
  border-top: 1px solid rgba(255, 255, 255, .14);
  padding: 18px 0 24px;
  font-size: 13px;
  color: #9db3c8;
}

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .heros .boite { grid-template-columns: 1fr; }
  .points { grid-template-columns: 1fr; }
  .fiche { grid-template-columns: 1fr; }
  .fiche img { aspect-ratio: 16 / 9; }
  article.dossier { padding: 28px 22px 32px; }
  footer.bas .colonnes { grid-template-columns: 1fr; }
  .heros h1 { font-size: 32px; }
}