/* =========================================================
   Cake de Nacre, feuille de style unique
   Palette et typographies reprises de la maquette validee.
   ========================================================= */

:root {
  --ivoire: #FAF6F0;
  --sable: #F4EDE2;
  --blanc: #FFFFFF;
  --encre: #26211C;
  --encre-doux: #4A4238;
  --gris: #6B6055;
  --bordure: #E5DCCD;
  --bordure-forte: #C3B69F;
  --laiton: #7A5B26;
  --laiton-fonce: #56401A;
  --laiton-clair: #C9A461;
  --sauge: #5F7054;
  --sauge-pale: #F0F2EC;
  --sauge-bordure: #DCE2D4;
  --placeholder: #EFE8DC;
  --placeholder-bordure: #DFD4C2;
  --alerte: #8A5A2B;

  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans: 'Karla', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --gouttiere: 80px;
  --max: 1280px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--encre);
  background: var(--ivoire);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--laiton); }
a:hover, a:focus { color: var(--laiton-fonce); }

:focus-visible { outline: 2px solid var(--laiton); outline-offset: 2px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; color: var(--encre); margin: 0; }
h1 { font-size: clamp(2rem, 4.4vw, 3.5rem); line-height: 1.1; }
h2 { font-size: clamp(1.6rem, 3vw, 2.5rem); line-height: 1.18; }
h3 { font-size: 1.32rem; font-weight: 500; line-height: 1.3; }
p { margin: 0; }

.conteneur {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gouttiere);
}

.surtitre {
  font-size: 0.69rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sauge);
  font-weight: 700;
}

.ce-todo {
  background: #FBE9D4;
  border-bottom: 1px dashed var(--alerte);
  color: var(--alerte);
  font-weight: 700;
  padding: 0 3px;
}

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

.btn, .btn-clair, .btn-ligne {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 14px 28px;
  border-radius: 2px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--sans);
}
.btn { background: var(--laiton); color: var(--blanc); }
.btn:hover, .btn:focus { background: var(--laiton-fonce); color: var(--blanc); }
.btn-clair { background: var(--blanc); color: #3B4A32; }
.btn-clair:hover, .btn-clair:focus { background: var(--sable); color: #3B4A32; }
.btn-ligne { background: transparent; border-color: var(--bordure-forte); color: #3D362E; font-weight: 500; }
.btn-ligne:hover, .btn-ligne:focus { border-color: var(--laiton); color: var(--laiton-fonce); }

/* ---------- En-tete ---------- */

.entete {
  border-bottom: 1px solid var(--bordure);
  background: var(--ivoire);
  position: sticky;
  top: 0;
  z-index: 40;
}
.entete .conteneur {
  min-height: 88px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.marque { text-decoration: none; display: flex; align-items: center; gap: 12px; }
.marque-texte { display: flex; flex-direction: column; gap: 2px; }
.marque svg { flex-shrink: 0; }
.marque strong { font-family: var(--serif); font-size: 1.55rem; font-weight: 500; color: var(--encre); }
.marque span { font-size: 0.63rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--gris); }

.nav { flex-grow: 1; display: flex; gap: 30px; align-items: center; }
.nav a { font-size: 0.95rem; text-decoration: none; color: #3D362E; }
.nav a:hover { color: var(--laiton-fonce); }
.nav a[aria-current="page"] { color: var(--encre); font-weight: 700; border-bottom: 2px solid var(--laiton); padding-bottom: 3px; }

.burger { display: none; width: 46px; height: 46px; align-items: center; justify-content: center; background: transparent; border: 1px solid var(--bordure-forte); border-radius: 2px; cursor: pointer; }

/* ---------- Fil d'ariane ---------- */

.ariane { background: var(--sable); border-bottom: 1px solid var(--bordure); }
.ariane .conteneur { min-height: 52px; display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 0.82rem; }
.ariane a { text-decoration: none; }
.ariane span[aria-current] { color: var(--encre-doux); }
.ariane .sep { color: #8A8073; }

/* ---------- Hero ---------- */

.hero { padding: 72px 0 0; }
.hero .conteneur { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.hero-texte { display: flex; flex-direction: column; gap: 22px; }
.hero-texte p.chapo { font-size: 1.1rem; line-height: 1.62; color: var(--encre-doux); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-note { font-size: 0.87rem; color: var(--gris); }

.hero-simple { padding: 56px 0 0; }
.hero-simple .conteneur { display: grid; grid-template-columns: 1.7fr 1fr; gap: 48px; align-items: start; }

/* ---------- Visuels ---------- */

.visuel { border-radius: 3px; overflow: hidden; background: var(--placeholder); }
.visuel img { width: 100%; height: 100%; object-fit: cover; }

.attente {
  background: var(--placeholder);
  border: 1px solid var(--placeholder-bordure);
  border-radius: 3px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-align: center;
  padding: 16px;
  color: #5C5349;
}
.attente b { font-size: 0.69rem; letter-spacing: 0.18em; text-transform: uppercase; }
.attente span { font-size: 0.82rem; }
.attente em { font-size: 0.72rem; color: #776C5E; font-style: normal; }
.ratio-45 { aspect-ratio: 4 / 5; }
.ratio-169 { aspect-ratio: 16 / 9; }
.ratio-11 { aspect-ratio: 1 / 1; }

/* ---------- Barre de reassurance ---------- */

.reassurance { background: var(--sable); border-top: 1px solid var(--bordure); border-bottom: 1px solid var(--bordure); margin-top: 68px; }
.reassurance .conteneur { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; padding-top: 26px; padding-bottom: 26px; }
.reassurance div { display: flex; align-items: center; gap: 12px; padding: 0 22px; font-size: 0.88rem; color: #3D362E; line-height: 1.45; }
.reassurance div + div { border-left: 1px solid var(--placeholder-bordure); }
.reassurance svg { flex-shrink: 0; }

/* ---------- Sections ---------- */

.section { padding: 72px 0 0; }
.section-fin { padding-bottom: 72px; }
.section-titre { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; flex-wrap: wrap; margin-bottom: 32px; }
.section-titre > div { display: flex; flex-direction: column; gap: 10px; }
.section-titre a { font-size: 0.95rem; font-weight: 500; white-space: nowrap; }

.grille-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.grille-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grille-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 40px; }
.grille-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }

.carte-creation { display: flex; flex-direction: column; gap: 13px; text-decoration: none; color: inherit; }
.carte-creation h3 { color: var(--encre); }
.carte-creation p { font-size: 0.88rem; line-height: 1.55; color: var(--encre-doux); }
.carte-creation .lire { font-size: 0.85rem; color: var(--laiton); font-weight: 700; }
.carte-creation:hover h3 { color: var(--laiton-fonce); }

.carte {
  background: var(--blanc);
  border: 1px solid var(--bordure);
  border-radius: 3px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  text-decoration: none;
  color: inherit;
}
.carte h3 { color: var(--encre); }
.carte p { font-size: 0.88rem; line-height: 1.55; color: var(--encre-doux); }
.carte:hover { border-color: var(--bordure-forte); }

.carte-bassin { background: var(--blanc); border: 1px solid var(--bordure); border-radius: 3px; padding: 20px; display: flex; flex-direction: column; gap: 10px; }
.carte-bassin h3 { font-family: var(--sans); font-size: 0.95rem; font-weight: 700; }
.carte-bassin ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 5px; font-size: 0.85rem; }
.carte-bassin ul a { text-decoration: none; color: var(--encre-doux); }
.carte-bassin ul a:hover { color: var(--laiton-fonce); }
.carte-bassin .reste { font-size: 0.78rem; color: var(--gris); margin-top: auto; }

/* ---------- Bande sombre ---------- */

.bande-sombre { background: var(--encre); color: var(--ivoire); margin-top: 72px; padding: 64px 0; }
.bande-sombre h2 { color: var(--ivoire); }
.bande-sombre .surtitre { color: var(--laiton-clair); }
.etapes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin-top: 32px; }
.etape { border-top: 2px solid var(--laiton-clair); padding-top: 18px; display: flex; flex-direction: column; gap: 9px; }
.etape b { font-family: var(--serif); font-size: 0.9rem; color: var(--laiton-clair); font-weight: 400; }
.etape h3 { font-family: var(--sans); font-size: 1.05rem; font-weight: 700; color: var(--ivoire); }
.etape p { font-size: 0.88rem; line-height: 1.6; color: #D6CDC0; }

/* ---------- Bloc local ---------- */

.bloc-local { background: var(--sauge-pale); border-top: 1px solid var(--sauge-bordure); border-bottom: 1px solid var(--sauge-bordure); margin-top: 60px; padding: 48px 0; }
.etiquette { display: inline-block; font-size: 0.66rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--blanc); background: var(--sauge); padding: 5px 10px; border-radius: 2px; font-weight: 700; }
.lieux { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 30px; }
.lieu { background: var(--blanc); border: 1px solid var(--sauge-bordure); border-radius: 3px; padding: 20px; display: flex; flex-direction: column; gap: 7px; }
.lieu b { font-size: 0.95rem; }
.lieu span { font-size: 0.82rem; line-height: 1.5; color: var(--encre-doux); }

/* ---------- Encart chiffres ---------- */

.local-texte { display: flex; flex-direction: column; gap: 16px; max-width: 900px; margin-top: 18px; }
.local-texte p { font-size: 1rem; line-height: 1.7; color: #3D3830; }

.encart { background: var(--blanc); border: 1px solid var(--bordure); border-radius: 3px; padding: 24px; display: flex; flex-direction: column; gap: 13px; }
.encart h2 { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gris); font-weight: 700; }
.encart-ligne { display: flex; justify-content: space-between; gap: 12px; font-size: 0.9rem; }
.encart-ligne span { color: var(--encre-doux); }
.encart-ligne b { color: var(--encre); }

/* ---------- Pourquoi ---------- */

.atouts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.atout { border-left: 2px solid var(--laiton-clair); padding-left: 20px; display: flex; flex-direction: column; gap: 9px; }
.atout h3 { font-family: var(--sans); font-size: 1.05rem; font-weight: 700; }
.atout p { font-size: 0.88rem; line-height: 1.6; color: var(--encre-doux); }

/* ---------- Puces communes ---------- */

.puces { display: flex; flex-wrap: wrap; gap: 9px; }
.puces a { font-size: 0.87rem; text-decoration: none; background: var(--blanc); border: 1px solid var(--bordure); border-radius: 2px; padding: 9px 15px; color: var(--encre-doux); }
.puces a:hover { border-color: var(--laiton); color: var(--laiton-fonce); }

/* ---------- FAQ ---------- */

.faq { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 40px; }
.faq-item { border-top: 1px solid var(--bordure); padding-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.faq-item h3 { font-family: var(--sans); font-size: 1rem; font-weight: 700; }
.faq-item p { font-size: 0.88rem; line-height: 1.6; color: var(--encre-doux); }

/* ---------- Appel a l'action ---------- */

.cta { margin-top: 72px; }
.cta-boite { border-radius: 3px; padding: 44px 48px; display: flex; align-items: center; gap: 40px; flex-wrap: wrap; }
.cta-vert { background: var(--sauge); }
.cta-sombre { background: var(--encre); }
.cta-boite > div { flex-grow: 1; display: flex; flex-direction: column; gap: 10px; min-width: 300px; }
.cta-vert h2 { color: var(--blanc); }
.cta-vert p { color: #E8EDE4; font-size: 1rem; }
.cta-sombre h2 { color: var(--ivoire); }
.cta-sombre p { color: #D6CDC0; font-size: 0.95rem; }
.cta-sombre .btn { background: var(--laiton-clair); color: var(--encre); }
.cta-sombre .btn:hover { background: #DDBB7C; color: var(--encre); }

/* ---------- Avis ---------- */

.avis { background: var(--sable); border: 1px dashed var(--bordure-forte); border-radius: 3px; padding: 24px; display: flex; flex-direction: column; gap: 12px; margin: 0; }
.avis b { font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--alerte); }
.avis p { font-size: 0.92rem; line-height: 1.6; color: var(--encre-doux); }

/* ---------- Texte editorial ---------- */

.prose { display: flex; flex-direction: column; gap: 18px; max-width: 760px; }
.prose p { font-size: 1rem; line-height: 1.7; color: var(--encre-doux); }
.prose h2 { margin-top: 20px; }
.prose ul { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 8px; color: var(--encre-doux); }

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

.form-page .conteneur { display: grid; grid-template-columns: 1.9fr 1fr; gap: 48px; align-items: start; }
form.devis { display: flex; flex-direction: column; gap: 32px; }
form.devis fieldset { margin: 0; padding: 0; border: 0; display: flex; flex-direction: column; gap: 18px; }
form.devis legend { padding: 0; font-family: var(--serif); font-size: 1.4rem; color: var(--encre); margin-bottom: 4px; }
.champ { display: flex; flex-direction: column; gap: 8px; }
.champs-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.champs-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
label { font-size: 0.87rem; font-weight: 700; color: #3D362E; }
input, select, textarea {
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--encre);
  background: var(--blanc);
  border: 1px solid var(--bordure-forte);
  border-radius: 2px;
  padding: 13px 14px;
  width: 100%;
  min-height: 46px;
}
textarea { min-height: 96px; resize: vertical; }
.cases { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.case { display: flex; align-items: center; gap: 8px; }
.case input { width: 18px; min-height: 18px; padding: 0; }
.case label { font-weight: 400; }
.choix { display: flex; gap: 14px; flex-wrap: wrap; }
.choix > span { flex: 1 1 260px; display: flex; align-items: center; gap: 11px; background: var(--blanc); border: 1px solid var(--bordure-forte); border-radius: 2px; padding: 14px 18px; }
.choix input { width: 18px; min-height: 18px; padding: 0; }
.choix label { font-weight: 400; }
.rgpd { display: flex; align-items: flex-start; gap: 11px; }
.rgpd input { width: 18px; min-height: 18px; padding: 0; margin-top: 4px; }
.rgpd label { font-weight: 400; font-size: 0.87rem; line-height: 1.55; color: var(--encre-doux); }
.form-envoi { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; border-top: 1px solid var(--bordure); padding-top: 24px; }
.form-envoi span { font-size: 0.87rem; color: var(--gris); }

.aside-suite { background: var(--encre); border-radius: 3px; padding: 26px; display: flex; flex-direction: column; gap: 18px; }
.aside-suite h2 { font-size: 1.35rem; color: var(--ivoire); }
.aside-suite div { display: flex; gap: 14px; }
.aside-suite b { font-family: var(--serif); font-size: 0.85rem; color: var(--laiton-clair); font-weight: 400; padding-top: 2px; }
.aside-suite p { font-size: 0.87rem; line-height: 1.6; color: #D6CDC0; }
.aside-delais { background: var(--sauge-pale); border: 1px solid var(--sauge-bordure); border-radius: 3px; padding: 22px; display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
.aside-delais h2 { font-family: var(--sans); font-size: 0.95rem; font-weight: 700; }
.aside-delais p { font-size: 0.88rem; line-height: 1.65; color: #3D3830; }

/* ---------- Pied de page ---------- */

.pied { border-top: 1px solid var(--bordure); margin-top: 72px; padding: 52px 0 28px; }
.pied-grille { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; }
.pied h3 { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gris); font-weight: 700; margin-bottom: 4px; }
.pied ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.pied a { font-size: 0.88rem; text-decoration: none; }
.pied p { font-size: 0.88rem; line-height: 1.65; color: var(--encre-doux); }
.pied-marque { font-family: var(--serif); font-size: 1.35rem; color: var(--encre); }
.pied-bas { border-top: 1px solid var(--bordure); margin-top: 32px; padding-top: 20px; display: flex; gap: 24px; justify-content: space-between; flex-wrap: wrap; font-size: 0.82rem; color: var(--gris); }

/* ---------- Responsive ---------- */

@media (max-width: 1080px) {
  :root { --gouttiere: 40px; }
  .grille-4 { grid-template-columns: repeat(2, 1fr); }
  .grille-5 { grid-template-columns: repeat(3, 1fr); }
  .etapes { grid-template-columns: repeat(2, 1fr); }
  .lieux { grid-template-columns: repeat(2, 1fr); }
  .pied-grille { grid-template-columns: repeat(2, 1fr); }
  .form-page .conteneur { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .hero .conteneur, .hero-simple .conteneur { grid-template-columns: 1fr; gap: 32px; }
  .hero .visuel, .hero .attente { order: -1; }
  .reassurance .conteneur { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .reassurance div { padding: 0; }
  .reassurance div + div { border-left: 0; }
  .grille-3, .atouts, .faq, .grille-2 { grid-template-columns: 1fr; }
  .champs-3, .champs-2 { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  :root { --gouttiere: 16px; }
  body { font-size: 15px; }
  .entete .conteneur { min-height: 64px; gap: 12px; }
  .nav { display: none; }
  .nav.ouvert {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--ivoire);
    border-bottom: 1px solid var(--bordure);
    padding: 8px var(--gouttiere) 16px;
  }
  .nav.ouvert a { padding: 14px 0; width: 100%; border-bottom: 1px solid var(--bordure); }
  .burger { display: flex; }
  .marque strong { font-size: 1.25rem; }
  .grille-4, .grille-5, .etapes, .lieux, .pied-grille { grid-template-columns: 1fr; }
  .section { padding-top: 48px; }
  .hero { padding-top: 32px; }
  .cta-boite { padding: 28px 22px; gap: 22px; }
  .bande-sombre { padding: 44px 0; }
  .hero-actions .btn, .hero-actions .btn-ligne { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}