/* ==========================================================================
   Terralimen — Charte graphique « Crépuscule »
   Feuille de style unique. Modifier les variables ci-dessous suffit à
   changer l'apparence de tout le site.
   ========================================================================== */

:root {
  /* Couleurs — palette Crépuscule */
  --nuit:      #1B2A4A;   /* bleu nuit — titres, fonds profonds */
  --nuit-clair:#243756;   /* variante pour dégradés discrets */
  --bleu:      #3D5A80;   /* bleu moyen — liens, accents */
  --brume:     #B9C6DA;   /* bleu gris clair — texte sur fond sombre */
  --or:        #C9A227;   /* or — signature, filets, éléments d'accent */
  --or-clair:  #E0C463;   /* or clair — survol */
  --creme:     #F4F1EA;   /* crème — fond de page */
  --creme-2:   #FBF9F5;   /* crème clair — cartes */
  --encre:     #23282F;   /* texte courant */
  --encre-2:   #5A626D;   /* texte secondaire */
  --trait:     #DDD8CC;   /* filets et bordures */

  /* Typographie */
  --titre: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --texte: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Rythme */
  --largeur: 1140px;
  --largeur-texte: 700px;
  --pad: 1.5rem;
}

/* --------------------------------------------------------------- Réglages */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--texte);
  font-size: 17px;
  line-height: 1.75;
  color: var(--encre);
  background: var(--creme);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--bleu); text-decoration: none; border-bottom: 1px solid rgba(61,90,128,.3); transition: color .2s, border-color .2s; }
a:hover { color: var(--nuit); border-color: var(--or); }

/* ------------------------------------------------------------ Typographie */

h1, h2, h3, h4 {
  font-family: var(--titre);
  font-weight: 600;
  line-height: 1.2;
  color: var(--nuit);
  margin: 0 0 .6em;
}

h1 { font-size: clamp(2.4rem, 5.5vw, 3.8rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.6rem); }
h4 { font-size: 1.15rem; }

p { margin: 0 0 1.2em; }

.chapeau {
  font-family: var(--titre);
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  line-height: 1.5;
  color: var(--encre-2);
  font-style: italic;
}

.signature {
  font-family: var(--titre);
  font-style: italic;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.45;
  color: var(--nuit);
  border-left: 3px solid var(--or);
  padding-left: 1.4rem;
  margin: 2.5rem 0;
}

.surtitre {
  font-family: var(--texte);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--or);
  margin-bottom: .8rem;
  display: block;
}

.discret { color: var(--encre-2); font-size: .95rem; }

/* ----------------------------------------------------------- Mise en page */

.contenant { max-width: var(--largeur); margin: 0 auto; padding: 0 var(--pad); }
.contenant-texte { max-width: var(--largeur-texte); margin: 0 auto; padding: 0 var(--pad); }

.section { padding: 5rem 0; }
.section-serree { padding: 3.5rem 0; }

.section-sombre {
  background: var(--nuit);
  color: var(--creme);
}
.section-sombre h1, .section-sombre h2, .section-sombre h3 { color: var(--creme); }
.section-sombre p { color: #D3DEEC; }
.section-sombre a { color: var(--or-clair); border-color: rgba(201,162,39,.4); }
.section-sombre .signature { color: var(--creme); }

.section-claire { background: var(--creme-2); }

/* ------------------------------------------------------------- En-tête */

.entete {
  position: sticky; top: 0; z-index: 50;
  background: rgba(244,241,234,.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--trait);
}

.entete-barre {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; padding: .9rem var(--pad);
  max-width: var(--largeur); margin: 0 auto;
}

.marque { display: flex; align-items: center; gap: .7rem; border: 0; }
.marque:hover { border: 0; }

/* Logo — fichier attendu : assets/Logo_terralimen.png */
.logo { width: 42px; height: 42px; flex: 0 0 42px; object-fit: contain; }
.marque-nom { font-family: var(--titre); font-size: 1.45rem; color: var(--nuit); line-height: 1; }
.marque-nom span { color: var(--or); }

.nav { display: flex; align-items: center; gap: 1.6rem; }
.nav a {
  font-size: .93rem; color: var(--encre); border: 0;
  padding-bottom: 2px; border-bottom: 1px solid transparent;
}
.nav a:hover, .nav a.actif { color: var(--nuit); border-bottom-color: var(--or); }

.langues { display: flex; gap: .45rem; align-items: center; margin-left: .4rem; padding-left: 1rem; border-left: 1px solid var(--trait); }
.langue {
  font-size: .8rem; border: 0; padding: .15rem .4rem; border-radius: 3px;
  color: var(--encre-2); cursor: pointer; background: none;
}
.langue.actif { background: var(--nuit); color: var(--creme); }
.langue.inactif { opacity: .45; cursor: not-allowed; }
.langue:hover:not(.inactif) { color: var(--nuit); }

.burger { display: none; background: none; border: 0; font-size: 1.5rem; color: var(--nuit); cursor: pointer; padding: .2rem .4rem; }

/* --------------------------------------------------------------- Bandeau */

.bandeau {
  background: linear-gradient(170deg, var(--nuit) 0%, var(--nuit-clair) 100%);
  color: var(--creme);
  padding: 6.5rem 0 5.5rem;
  position: relative; overflow: hidden;
}
.bandeau::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--or), transparent);
}
.bandeau h1 { color: var(--creme); margin-bottom: .5rem; }
.bandeau .chapeau { color: #DCE5F0; font-style: normal; }
.bandeau-petit { padding: 4rem 0 3.2rem; }

/* --------------------------------------------------------------- Boutons */

.bouton {
  display: inline-block; border: 1px solid var(--nuit); background: var(--nuit);
  color: var(--creme); font-family: var(--texte); font-size: .95rem;
  padding: .75rem 1.6rem; border-radius: 2px; transition: all .2s; cursor: pointer;
}
.bouton:hover { background: var(--bleu); border-color: var(--bleu); color: var(--creme); }

.bouton-clair { background: transparent; color: var(--nuit); border-color: var(--nuit); }
.bouton-clair:hover { background: var(--nuit); color: var(--creme); }

.bouton-or { background: var(--or); border-color: var(--or); color: var(--nuit); }
.bouton-or:hover { background: var(--or-clair); border-color: var(--or-clair); color: var(--nuit); }

.boutons { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }

/* --------------------------------------------------------------- Grilles */

.grille { display: grid; gap: 1.6rem; }
.grille-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grille-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grille-4 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }

/* ---------------------------------------------------------------- Cartes */

.carte {
  background: var(--creme-2);
  border: 1px solid var(--trait);
  border-radius: 3px;
  padding: 1.8rem;
  transition: border-color .25s, transform .25s;
}
.carte:hover { border-color: var(--or); transform: translateY(-2px); }
.carte h3 { margin-bottom: .5rem; }
.carte p:last-child { margin-bottom: 0; }

.carte-lien { display: block; border: 1px solid var(--trait); }
.carte-lien:hover { border-color: var(--or); }

.carte-numero {
  font-family: var(--titre); font-size: 2.6rem; color: var(--or);
  line-height: 1; margin-bottom: .5rem; display: block;
}

/* ------------------------------------------------------- Bloc principe */

.principe {
  border-left: 2px solid var(--or);
  padding: .2rem 0 .2rem 1.4rem;
  margin-bottom: 2rem;
}
.principe h4 { margin-bottom: .3rem; color: var(--nuit); }
.principe p { margin-bottom: 0; color: var(--encre-2); font-size: .97rem; }

/* -------------------------------------------------------- Liste documents */

.doc-famille { margin-bottom: 3rem; }
.doc-famille > h3 { padding-bottom: .6rem; border-bottom: 1px solid var(--trait); }

.doc {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 1.5rem; padding: 1.3rem 0; border-bottom: 1px solid var(--trait);
}
.doc:last-child { border-bottom: 0; }
.doc-texte { flex: 1; min-width: 0; }
.doc-texte h4 { margin-bottom: .25rem; }
.doc-texte p { margin-bottom: 0; font-size: .95rem; color: var(--encre-2); }
.doc-actions { display: flex; gap: .6rem; flex-shrink: 0; align-items: center; }
.doc-actions a { font-size: .88rem; border: 1px solid var(--trait); padding: .35rem .8rem; border-radius: 2px; color: var(--bleu); }
.doc-actions a:hover { border-color: var(--or); background: var(--creme); }

/* --------------------------------------------------------------- Parcours */

.parcours { border: 1px solid var(--trait); border-radius: 3px; padding: 1.5rem; background: var(--creme-2); }
.parcours h4 { color: var(--nuit); margin-bottom: .6rem; }
.parcours ol { margin: 0; padding-left: 1.2rem; font-size: .94rem; color: var(--encre-2); }
.parcours li { margin-bottom: .35rem; }

/* --------------------------------------------------------------- Article */

.article { max-width: var(--largeur-texte); margin: 0 auto; padding: 0 var(--pad); }
.article h2 { margin-top: 2.8rem; }
.article h3 { margin-top: 2rem; }
.article ul, .article ol { margin: 0 0 1.4em; padding-left: 1.3rem; }
.article li { margin-bottom: .5rem; }
.article hr { border: 0; border-top: 1px solid var(--trait); margin: 3rem 0; }
.article blockquote {
  margin: 2rem 0; padding-left: 1.4rem; border-left: 3px solid var(--or);
  font-family: var(--titre); font-style: italic; font-size: 1.25rem; color: var(--nuit);
}

.fil { font-size: .88rem; color: var(--encre-2); margin-bottom: 1.5rem; }
.fil a { border: 0; }

/* --------------------------------------------------------------- Formulaire */

.formulaire { display: grid; gap: 1.1rem; max-width: 560px; }
.champ { display: grid; gap: .35rem; }
.champ label { font-size: .9rem; font-weight: 500; color: var(--nuit); }
.champ input, .champ textarea, .champ select {
  font-family: var(--texte); font-size: 1rem; color: var(--encre);
  padding: .7rem .85rem; border: 1px solid var(--trait); border-radius: 2px;
  background: var(--creme-2); width: 100%;
}
.champ input:focus, .champ textarea:focus, .champ select:focus {
  outline: none; border-color: var(--bleu); box-shadow: 0 0 0 3px rgba(61,90,128,.12);
}
.champ textarea { min-height: 160px; resize: vertical; }
.champ-aide { font-size: .82rem; color: var(--encre-2); }
.pot-de-miel { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

.message { padding: .9rem 1.1rem; border-radius: 2px; font-size: .95rem; margin-bottom: 1.5rem; }
.message-ok { background: #E8F0E4; border: 1px solid #A8C49A; color: #2E4A22; }
.message-erreur { background: #F6E5E2; border: 1px solid #D4A79E; color: #6B2B1E; }

/* ------------------------------------------------------------------- Pied */

.pied { background: var(--nuit); color: var(--brume); padding: 3.5rem 0 2rem; font-size: .93rem; }
.pied h4 { color: var(--creme); font-family: var(--texte); font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 1rem; }
.pied a { color: var(--brume); border: 0; }
.pied a:hover { color: var(--or-clair); }
.pied ul { list-style: none; margin: 0; padding: 0; }
.pied li { margin-bottom: .45rem; }
.pied-bas {
  margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(152,168,192,.2);
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; font-size: .85rem;
}
.pied-devise { font-family: var(--titre); font-style: italic; color: var(--creme); font-size: 1.05rem; }

/* -------------------------------------------------------------- Adaptatif */

@media (max-width: 820px) {
  .nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--creme); border-bottom: 1px solid var(--trait); padding: .5rem var(--pad) 1rem;
  }
  .nav.ouvert { display: flex; }
  .nav a { padding: .7rem 0; width: 100%; border-bottom: 1px solid var(--trait); }
  .langues { border-left: 0; padding-left: 0; margin: .8rem 0 0; }
  .burger { display: block; }
  .entete-barre { position: relative; }
  .section { padding: 3.5rem 0; }
  .bandeau { padding: 4.5rem 0 3.5rem; }
  .doc { flex-direction: column; gap: .8rem; }
}

@media print {
  .entete, .pied, .boutons, .doc-actions { display: none; }
  body { background: #fff; font-size: 12pt; }
}

/* ------------------------------------------------- Bloc infrastructure */

.tech {
  background: var(--nuit);
  color: var(--creme);
  border-radius: 3px;
  padding: 2.4rem 2rem;
  border-left: 3px solid var(--or);
}
.tech h3 { color: var(--creme); }
.tech p { color: #D3DEEC; }
.tech strong { color: var(--creme); }
.tech code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .88em; color: var(--or-clair);
  background: rgba(201,162,39,.1); padding: .1em .4em; border-radius: 2px;
}

.tech-liste { display: grid; gap: 1.4rem; margin-top: 1.6rem; }
.tech-item { display: flex; gap: 1rem; align-items: flex-start; }
.tech-puce {
  flex: 0 0 auto; width: 26px; height: 26px; border: 1px solid var(--or);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-family: var(--titre); font-size: .9rem; color: var(--or); margin-top: .15rem;
}
.tech-item h4 { color: var(--creme); margin: 0 0 .2rem; font-family: var(--texte); font-size: 1rem; font-weight: 600; }
.tech-item p { margin: 0; font-size: .95rem; color: #C3D0E2; }

/* Encart d'accroche technique en clair */
.encart {
  border: 1px solid var(--trait); border-left: 3px solid var(--or);
  background: var(--creme-2); padding: 1.5rem 1.7rem; border-radius: 3px;
  margin: 2rem 0;
}
.encart p:last-child { margin-bottom: 0; }
.encart h4 { margin-bottom: .5rem; }

/* Mention d'état dans la liste de documents */
.doc-etat {
  font-size: .82rem; color: var(--encre-2); border: 1px dashed var(--trait);
  padding: .35rem .8rem; border-radius: 2px; white-space: nowrap;
}

/* Référence en pied d'article */
.reference {
  margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--trait);
  font-size: .85rem; color: var(--encre-2);
}