@import url('https://fonts.googleapis.com/css2?family=Libre+Caslon+Text:ital,wght@0,400;0,700;1,400&family=IBM+Plex+Sans:ital,wght@0,400;0,500;0,600;1,400&display=swap');

:root {
  --encre: #1B2A33;
  --texte: #26303A;
  --gris: #5C6670;
  --filet: #CDD2D6;
  --pierre: #EEF0ED;
  --blanc: #FFFFFF;
  --grenat: #8C2F39;
  --grenat-fonce: #6F2129;
  --mesure: 68ch;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--blanc);
  color: var(--texte);
  font-family: 'IBM Plex Sans', 'Segoe UI', Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
}
h1, h2, h3 {
  font-family: 'Libre Caslon Text', Georgia, 'Times New Roman', serif;
  font-weight: 400;
  color: var(--encre);
  line-height: 1.2;
  margin: 0 0 .6em;
  letter-spacing: -0.005em;
}
h1 { font-size: clamp(2rem, 4.2vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-top: 1.8em; }
h3 { font-size: 1.25rem; margin-top: 1.6em; }
p, ul, ol { margin: 0 0 1em; max-width: var(--mesure); }
ul { padding-left: 1.2em; }
li { margin-bottom: .35em; }
a { color: var(--grenat); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--grenat-fonce); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--grenat); outline-offset: 3px; }
strong { font-weight: 600; }

.conteneur { width: min(1120px, 100% - 2rem); margin: 0 auto; }

/* En-tête : lettre à en-tête */
.entete { border-bottom: 1px solid var(--filet); padding: 1.4rem 0 0; }
.entete-haut { display: flex; justify-content: space-between; align-items: flex-start; gap: 2rem; flex-wrap: wrap; }
.marque { text-decoration: none; color: var(--encre); display: flex; align-items: center; gap: 1rem; }
.marque .logo { width: 72px; height: auto; flex: none; }
.marque-texte { display: block; }
.marque .nom { font-family: 'Libre Caslon Text', Georgia, serif; font-size: 1.55rem; display: block; line-height: 1.15; }
.marque .titre { display: block; font-size: .9rem; color: var(--gris); margin-top: .15rem; }
.adresses { display: flex; gap: 2.5rem; font-size: .84rem; line-height: 1.45; color: var(--gris); }
.adresses div span { display: block; }
.adresses .ville { color: var(--encre); font-weight: 600; }
.nav { margin-top: 1.1rem; display: flex; flex-wrap: wrap; gap: .25rem 1.6rem; }
.nav a { color: var(--encre); text-decoration: none; font-size: .95rem; padding: .55rem 0; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--grenat); }
.nav a[aria-current="page"] { border-bottom-color: var(--grenat); color: var(--grenat); }

/* Accueil */
.heros { padding: 4.5rem 0 3.5rem; border-bottom: 1px solid var(--filet); }
.heros h1 { max-width: 20ch; margin-bottom: 1.2rem; }
.heros p.chapo { font-size: 1.2rem; max-width: 56ch; color: var(--texte); }
.heros .actions { margin-top: 2rem; display: flex; gap: 1.5rem; flex-wrap: wrap; align-items: center; }
.bouton {
  display: inline-block; background: var(--encre); color: var(--blanc); text-decoration: none;
  padding: .8rem 1.4rem; font-weight: 500; font-size: .98rem;
}
.bouton:hover { background: var(--grenat-fonce); color: var(--blanc); }
.lien-discret { color: var(--encre); }

.deux-colonnes { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; padding: 3.5rem 0; }
.deux-colonnes h2 { margin-top: 0; }
@media (max-width: 760px) { .deux-colonnes { grid-template-columns: 1fr; gap: 2rem; padding: 2.5rem 0; } }

.domaine-liste { list-style: none; padding: 0; margin: 0; }
.domaine-liste li { border-top: 1px solid var(--filet); padding: .9rem 0; margin: 0; }
.domaine-liste li:last-child { border-bottom: 1px solid var(--filet); }
.domaine-liste a { color: var(--encre); text-decoration: none; font-family: 'Libre Caslon Text', Georgia, serif; font-size: 1.15rem; }
.domaine-liste a:hover { color: var(--grenat); }
.domaine-liste small { display: block; color: var(--gris); font-size: .9rem; margin-top: .2rem; }

.engagements { background: var(--pierre); padding: 3.5rem 0; }
.engagements h2 { margin-top: 0; }
.engagements dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.8rem 3rem; margin: 0; }
.engagements dt { font-family: 'Libre Caslon Text', Georgia, serif; font-size: 1.2rem; color: var(--encre); margin-bottom: .3rem; }
.engagements dd { margin: 0; color: var(--texte); font-size: .98rem; }

/* Pages intérieures */
.page { padding: 3.5rem 0 4rem; }
.page header.titre-page { margin-bottom: 2.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--filet); }
.page header.titre-page h1 { margin-bottom: .4rem; }
.page header.titre-page p { color: var(--gris); font-size: 1.1rem; margin: 0; }
.page-grille { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 4rem; }
@media (max-width: 860px) { .page-grille { grid-template-columns: 1fr; gap: 2rem; } }
aside.encart { border-left: 2px solid var(--grenat); padding-left: 1.2rem; align-self: start; font-size: .95rem; }
aside.encart h2 { font-size: 1.15rem; margin-top: 0; }
aside.encart p { margin-bottom: .7em; }

.parcours { list-style: none; padding: 0; margin: 0; max-width: var(--mesure); }
.parcours li { display: grid; grid-template-columns: 9.5rem 1fr; gap: 1rem; padding: .8rem 0; border-top: 1px solid var(--filet); margin: 0; }
.parcours li:last-child { border-bottom: 1px solid var(--filet); }
.parcours time, .parcours .date { color: var(--gris); font-size: .95rem; }
@media (max-width: 520px) { .parcours li { grid-template-columns: 1fr; gap: .15rem; } }

.citation { border-left: 2px solid var(--filet); padding: .2rem 0 .2rem 1.2rem; color: var(--gris); font-style: italic; max-width: var(--mesure); margin: 1.5em 0; }
.citation cite { display: block; font-style: normal; font-size: .9rem; margin-top: .4rem; }

.coordonnees { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 2.5rem; margin: 1rem 0 2.5rem; }
.coordonnees address { font-style: normal; line-height: 1.55; }
.coordonnees h2 { margin-top: 0; font-size: 1.4rem; }
.coordonnees .tel { font-size: 1.35rem; font-family: 'Libre Caslon Text', Georgia, serif; color: var(--encre); text-decoration: none; }

/* Pied */
.pied { border-top: 1px solid var(--filet); margin-top: 2rem; padding: 2rem 0 2.5rem; font-size: .88rem; color: var(--gris); }
.pied .conteneur { display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.pied a { color: var(--gris); }
.pied nav a { margin-right: 1.4rem; }

@media (prefers-reduced-motion: no-preference) {
  .nav a, .bouton, a { transition: color .15s ease, background-color .15s ease, border-color .15s ease; }
}
@media print {
  .nav, .pied nav, .bouton { display: none; }
  body { font-size: 11pt; }
}

/* Images */
figure { margin: 0; }
figure img { display: block; width: 100%; height: auto; }
.heros-grille { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(260px, 1fr); gap: 3.5rem; align-items: start; }
.heros-image { justify-self: end; width: min(100%, 400px); }
.heros-image img { aspect-ratio: auto; object-fit: contain; }
@media (max-width: 860px) { .heros-grille { grid-template-columns: 1fr; gap: 2rem; } .heros-image { max-width: 420px; } }
.illustration { margin: 1.5rem 0 2rem; }
.illustration img { aspect-ratio: 5 / 4; object-fit: cover; }
aside .illustration { margin: 0 0 1.4rem; }
aside .illustration img { aspect-ratio: 4 / 5; }
.portrait { margin: 0 0 1.4rem; }
.contact-illustration img { aspect-ratio: 4 / 5; object-fit: cover; }
.paire { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 2.5rem; max-width: 760px; }
.paire img { aspect-ratio: 4 / 5; object-fit: cover; }
@media (max-width: 520px) { .paire { grid-template-columns: 1fr; } }