/* =========================================================
   STROVEX CONSTRUCTION — Feuille de style principale
   Palette : bleu nuit (fonds sombres), or et argent du logo
   ========================================================= */

/* ---------- 1. Variables ---------- */
:root {
  /* Bleus nuit : du plus sombre (fonds de section) au plus clair (bordures, champs) */
  --noir:        #15151b;
  --noir-2:      #1b1b23;
  --noir-3:      #22222c;
  --gris:        #2f2f3c;
  --argent:      #c9ced4;
  --argent-doux: #8d949c;
  --or:          #d4a64a;
  --or-clair:    #f0cf87;
  --or-fonce:    #a67c2e;
  --blanc:       #f7f7f8;

  --fond:        #ffffff;
  --texte:       #2d3036;
  --texte-doux:  #5f6671;

  --conteneur:   1200px;
  --radius:      4px;
  --ombre:       0 18px 45px rgba(21, 21, 27, .12);
  --ombre-forte: 0 26px 60px rgba(21, 21, 27, .22);
  --transition:  .35s cubic-bezier(.22, .61, .36, 1);

  --font-titre:  'Rubik', Helvetica, Arial, sans-serif;
  --font-texte:  'Open Sans', Arial, Helvetica, sans-serif;
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-texte);
  font-size: 16px;
  line-height: 1.75;
  color: var(--texte);
  background: var(--fond);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-ouvert { overflow: hidden; }

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

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-titre);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -.01em;
  margin: 0 0 .5em;
}

h1 { font-size: clamp(2.3rem, 5.2vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.7rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.4rem); }

p { margin: 0 0 1.1em; }

.conteneur {
  width: 100%;
  max-width: var(--conteneur);
  margin-inline: auto;
  padding-inline: 24px;
}

.section { padding: clamp(64px, 9vw, 120px) 0; }
.section--sombre { background: var(--noir); color: var(--argent); }
.section--gris  { background: #f4f5f6; }

.centre { text-align: center; }

/* ---------- 3. Titres de section ---------- */
.surtitre {
  display: inline-block;
  font-family: var(--font-titre);
  font-size: .95rem;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--or-fonce);
  margin-bottom: 14px;
}
.section--sombre .surtitre { color: var(--or); }

.titre-section { position: relative; margin-bottom: 18px; }

.trait {
  width: 68px; height: 3px;
  background: linear-gradient(90deg, var(--or), var(--or-clair));
  margin: 0 0 28px;
  border: 0;
}
.centre .trait, .trait--centre { margin-inline: auto; }

.intro {
  max-width: 680px;
  color: var(--texte-doux);
  font-size: 1.05rem;
}
.centre .intro { margin-inline: auto; }
.section--sombre .intro { color: var(--argent-doux); }

/* ---------- 4. Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  font-family: var(--font-titre);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  border: 2px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--or {
  background: linear-gradient(135deg, var(--or), var(--or-clair));
  color: #000;
}
.btn--or:hover { background: linear-gradient(135deg, var(--or-clair), var(--or)); }

.btn--contour {
  border-color: var(--argent);
  color: var(--blanc);
}
.btn--contour:hover { background: var(--blanc); color: var(--noir); }

.btn--sombre {
  background: var(--noir);
  color: var(--blanc);
}
.btn--sombre:hover { background: var(--or); color: var(--noir); }

.btn--bloc { width: 100%; justify-content: center; }

.lien-fleche {
  font-family: var(--font-titre);
  font-size: .95rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--or-fonce);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.lien-fleche::after { content: '→'; transition: var(--transition); }
.lien-fleche:hover::after { transform: translateX(6px); }

/* ---------- 5. En-tête ---------- */
.entete {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 18px 0;
  transition: var(--transition);
}
.entete::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(21, 21, 27,.85), rgba(21, 21, 27,0));
  transition: var(--transition);
}
.entete.est-colle {
  padding: 10px 0;
  box-shadow: 0 8px 30px rgba(0, 0, 0, .35);
}
.entete.est-colle::before { opacity: 0; }

/* Fond + flou de l'en-tete collant.
   Important : ils sont portes par ce pseudo-element et non par .entete.
   Un backdrop-filter pose sur .entete en ferait le bloc conteneur de ses
   enfants en position fixed : le panneau de menu mobile serait alors
   limite a la hauteur de l'en-tete au lieu de couvrir l'ecran. */
.entete::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(21, 21, 27, .96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity var(--transition);
}
.entete.est-colle::after { opacity: 1; }

.entete__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
}
.entete__inner .burger { justify-self: end; }

.logo img {
  height: 62px;
  width: auto;
  transition: var(--transition);
}
.entete.est-colle .logo img { height: 50px; }

.nav { display: flex; align-items: center; gap: 6px; justify-content: center; }

.nav a:not(.btn) {
  font-family: var(--font-titre);
  font-size: .85rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--argent);
  padding: 9px 14px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: var(--transition);
}
.nav a:not(.btn):hover {
  color: var(--blanc);
  background: rgba(255, 255, 255, .07);
  border-color: rgba(255, 255, 255, .14);
}
.nav a:not(.btn).actif {
  color: var(--or-clair);
  background: rgba(212, 166, 74, .12);
  border-color: rgba(212, 166, 74, .32);
}
.nav .btn { margin-left: 12px; }

.entete .btn {
  padding: 9px 18px;
  font-size: .78rem;
  letter-spacing: .1em;
  color: #000;
}

/* Entre 901 et 1150 px : on resserre pour que tout tienne sur une ligne */
@media (min-width: 901px) and (max-width: 1150px) {
  .logo img { height: 50px; }
  .nav { gap: 2px; }
  .nav a:not(.btn) { padding: 8px 9px; font-size: .78rem; letter-spacing: .05em; }
  .entete .btn { padding: 8px 12px; font-size: .7rem; letter-spacing: .05em; }
}

/* Voile floute pendant l'ouverture du menu mobile */
.voile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(21, 21, 27, .5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s ease;
}
body.menu-ouvert .voile-menu { opacity: 1; pointer-events: auto; }

/* Ordinateur : logo a gauche, liens centres sur la page, bouton a droite */
@media (min-width: 901px) {
  .entete__inner { grid-template-columns: 1fr auto 1fr; }
  .logo { grid-area: 1 / 1; }
  .nav   { grid-area: 1 / 2; }
  .entete .btn {
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
  }
  .nav .btn { margin-left: 0; }
}

.burger {
  display: none;
  width: 46px; height: 40px;
  background: none; border: 0;
  cursor: pointer;
  padding: 8px;
}
.burger span {
  display: block;
  height: 2px;
  background: var(--blanc);
  margin: 6px 0;
  transition: var(--transition);
}
.burger.actif span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger.actif span:nth-child(2) { opacity: 0; }
.burger.actif span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- 6. Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  color: var(--blanc);
  overflow: hidden;
  background: var(--noir);
}
.hero__media {
  position: absolute; inset: 0;
  background-image: url('../assets/img/banner-bg.webp');
  background-size: cover;
  background-position: center;
}
/* Voile sombre pour garder le texte lisible par-dessus la photo */
.hero__media::after {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(17, 17, 22, .92) 0%, rgba(17, 17, 22, .78) 42%, rgba(17, 17, 22, .35) 100%),
    linear-gradient(0deg, rgba(17, 17, 22, .75), transparent 55%);
}
.hero__contenu {
  position: relative;
  z-index: 2;
  max-width: 820px;
  padding-top: 90px;
}
.hero__surtitre {
  font-family: var(--font-titre);
  letter-spacing: .4em;
  text-transform: uppercase;
  color: var(--or);
  font-size: clamp(.85rem, 1.5vw, 1.05rem);
  margin-bottom: 18px;
}
.hero h1 { margin-bottom: .25em; }
.hero h1 .or {
  background: linear-gradient(135deg, var(--or-clair), var(--or), var(--or-fonce));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__texte {
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  color: #d7dade;
  max-width: 620px;
  margin-bottom: 36px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; }

/* ---------- 7. Bannière de page interne ---------- */
.banniere {
  position: relative;
  padding: 190px 0 80px;
  background:
    radial-gradient(100% 120% at 80% 0%, rgba(212,166,74,.16), transparent 60%),
    linear-gradient(120deg, #15151b, #22222c);
  color: var(--blanc);
}
.banniere h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); margin-bottom: 10px; }
.fil { font-size: .9rem; letter-spacing: .12em; text-transform: uppercase; color: var(--argent-doux); }
.fil a:hover { color: var(--or); }
.fil span { color: var(--or); }

/* ---------- 8. Grille de services ---------- */
.grille {
  display: grid;
  gap: 26px;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
}

.carte-service {
  display: block;
  cursor: pointer;
  color: inherit;
  position: relative;
  background: #fff;
  border: 1px solid #e7e9ec;
  border-radius: var(--radius);
  padding: 38px 32px 34px;
  overflow: hidden;
  transition: var(--transition);
}
.carte-service:hover { transform: translateY(-8px); box-shadow: var(--ombre); border-color: #dcdfe3; }

.carte-service__icone {
  width: 60px; height: 60px;
  display: grid; place-items: center;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--noir-2), var(--gris));
  margin-bottom: 22px;
}
.carte-service__icone svg { width: 30px; height: 30px; stroke: var(--or); fill: none; stroke-width: 1.6; }
.carte-service h3 { margin-bottom: .4em; }
.carte-service p { color: var(--texte-doux); font-size: .97rem; }

/* Variante sur fond sombre */
.section--sombre .carte-service {
  background: var(--noir-2);
  border-color: rgba(201, 206, 212, .12);
  color: var(--argent);
}
.section--sombre .carte-service p { color: var(--argent-doux); }
.section--sombre .carte-service:hover { border-color: rgba(212, 166, 74, .45); }
.section--sombre .carte-service__icone { background: rgba(212, 166, 74, .1); }

/* ---------- 9. À propos ---------- */
.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 70px);
  align-items: center;
}

.visuel {
  position: relative;
  min-height: 420px;
  border-radius: var(--radius);
  background:
    linear-gradient(140deg, #1b1b23, #2f2f3c 60%, #191921);
  overflow: hidden;
  display: grid;
  place-items: center;
}
.visuel::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(212,166,74,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,166,74,.07) 1px, transparent 1px);
  background-size: 40px 40px;
}
.visuel img { position: relative; z-index: 1; width: 62%; opacity: .95; }
.visuel--photo { background-size: cover; background-position: center; }

.badge-exp {
  position: absolute;
  z-index: 2;
  right: -18px; bottom: 34px;
  background: linear-gradient(135deg, var(--or), var(--or-clair));
  color: var(--noir);
  padding: 22px 28px;
  border-radius: var(--radius);
  box-shadow: var(--ombre-forte);
  text-align: center;
}
.badge-exp b { display: block; font-family: var(--font-titre); font-size: 2.6rem; line-height: 1; }
.badge-exp span { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; }

.liste-check { list-style: none; margin: 0 0 30px; padding: 0; }
.liste-check li {
  position: relative;
  padding-left: 36px;
  margin-bottom: 12px;
  color: var(--texte-doux);
}
.liste-check li::before {
  content: '';
  position: absolute; left: 0; top: 4px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(212, 166, 74, .16) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23d4a64a' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h13M13 6l6 6-6 6'/%3E%3C/svg%3E") center / 13px 13px no-repeat;
}
.section--sombre .liste-check li { color: var(--argent-doux); }

/* ---------- 10. Processus ---------- */
.etapes {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  counter-reset: etape;
}
.etape { position: relative; padding-top: 18px; }
.etape::before {
  counter-increment: etape;
  content: '0' counter(etape);
  font-family: var(--font-titre);
  font-size: 3.4rem;
  line-height: 1;
  color: rgba(212, 166, 74, .28);
  display: block;
  margin-bottom: 10px;
}
.etape h3 { font-size: 1.25rem; }
.etape p { color: var(--argent-doux); font-size: .96rem; }

/* ---------- 11. Réalisations ---------- */
.projets {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.projet {
  position: relative;
  min-height: 330px;
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  background: linear-gradient(145deg, #24242f, #15151b);
  color: var(--blanc);
  isolation: isolate;
}
.projet::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(201,206,212,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,206,212,.06) 1px, transparent 1px);
  background-size: 34px 34px;
  z-index: -1;
}
/* Cartes illustrees par une photo */
.projet--photo {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.projet--photo::before { display: none; }
.projet--photo::after { background: linear-gradient(0deg, rgba(21, 21, 27,.94) 12%, rgba(21, 21, 27,.25) 65%, rgba(21, 21, 27,.1) 100%); }
.projet--photo:hover::after { background: linear-gradient(0deg, rgba(166,124,46,.9) 8%, rgba(21, 21, 27,.3) 75%); }
.projet::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(21, 21, 27,.92) 10%, transparent 70%);
  z-index: -1;
  transition: var(--transition);
}
.projet:hover::after { background: linear-gradient(0deg, rgba(166,124,46,.9) 5%, rgba(21, 21, 27,.4) 70%); }
.projet__texte { padding: 28px; }
.projet__cat {
  font-family: var(--font-titre);
  font-size: .8rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--or-clair);
}
.projet h3 { margin: 6px 0 4px; font-size: 1.4rem; }
.projet p { margin: 0; font-size: .92rem; color: #cbd0d6; }

/* ---------- 12. CTA ---------- */
.cta {
  position: relative;
  padding: clamp(56px, 7vw, 92px) 0;
  background: linear-gradient(120deg, #15151b 0%, #24242f 55%, #15151b 100%);
  color: var(--blanc);
  text-align: center;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(60% 120% at 50% 100%, rgba(212,166,74,.22), transparent 70%);
}
.cta > * { position: relative; }
.cta h2 { margin-bottom: 8px; }
.cta p { color: var(--argent-doux); max-width: 640px; margin-inline: auto; margin-bottom: 30px; }
.cta__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- 13. Témoignages ---------- */
.temoignages { position: relative; max-width: 860px; margin-inline: auto; }
.temoignage {
  display: none;
  text-align: center;
  animation: apparait .5s ease;
}
.temoignage.actif { display: block; }
.temoignage blockquote {
  margin: 0 0 24px;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  line-height: 1.7;
  color: var(--blanc);
  font-style: italic;
}
.temoignage__auteur { font-family: var(--font-titre); font-size: 1.15rem; letter-spacing: .1em; color: var(--or); text-transform: uppercase; }
.temoignage__meta { font-size: .85rem; color: var(--argent-doux); }

/* Variante sur fond blanc */
.section--temoignages { background: var(--fond); }
.section--temoignages .temoignage blockquote { color: var(--texte); }
.section--temoignages .temoignage__auteur { color: var(--or-fonce); }
.section--temoignages .temoignage__meta { color: var(--texte-doux); }
.section--temoignages .etoiles { color: var(--or-fonce); }
.etoiles { color: var(--or); letter-spacing: .3em; margin-bottom: 18px; }

.puces { display: flex; gap: 10px; justify-content: center; margin-top: 30px; }
.puces button {
  width: 11px; height: 11px;
  border-radius: 50%;
  border: 1px solid var(--or);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: var(--transition);
}
.puces button.actif { background: var(--or); transform: scale(1.25); }

@keyframes apparait { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* ---------- 14. Contact ---------- */
.contact-grille {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: clamp(30px, 5vw, 60px);
  align-items: start;
}

.infos-contact { list-style: none; margin: 0 0 30px; padding: 0; }
.infos-contact li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid rgba(201, 206, 212, .14);
}
.infos-contact li:first-child { padding-top: 0; }
.infos-contact svg { width: 22px; height: 22px; stroke: var(--or); fill: none; stroke-width: 1.6; flex: none; margin-top: 4px; }
.infos-contact strong {
  display: block;
  font-family: var(--font-titre);
  letter-spacing: .14em;
  text-transform: uppercase;
  font-size: .9rem;
  color: var(--or);
}
.infos-contact span, .infos-contact a { color: var(--argent); }
.infos-contact a:hover { color: var(--or-clair); }

.formulaire {
  background: #fff;
  border: 1px solid #e7e9ec;
  border-radius: var(--radius);
  padding: clamp(26px, 4vw, 44px);
  box-shadow: var(--ombre);
}
.section--sombre .formulaire {
  background: var(--noir-2);
  border-color: rgba(201, 206, 212, .14);
  box-shadow: none;
}

.champs { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.champ { display: flex; flex-direction: column; gap: 7px; }
.champ--large { grid-column: 1 / -1; }

.champ label {
  font-family: var(--font-titre);
  font-size: .92rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--argent);
}
.champ label .requis { color: var(--or); }

.champ input,
.champ select,
.champ textarea {
  font-family: inherit;
  font-size: .97rem;
  color: var(--blanc);
  background: var(--noir-3);
  border: 1px solid rgba(201, 206, 212, .18);
  border-radius: var(--radius);
  padding: 13px 15px;
  transition: var(--transition);
  width: 100%;
}
.champ textarea { resize: vertical; min-height: 140px; }
.champ input::placeholder, .champ textarea::placeholder { color: #6d737b; }
.champ input:focus,
.champ select:focus,
.champ textarea:focus {
  outline: none;
  border-color: var(--or);
  box-shadow: 0 0 0 3px rgba(212, 166, 74, .18);
}
.champ select option { background: var(--noir-3); }

.champ.erreur input,
.champ.erreur select,
.champ.erreur textarea { border-color: #e05c5c; box-shadow: 0 0 0 3px rgba(224, 92, 92, .15); }

.message-erreur {
  font-size: .82rem;
  color: #f08a8a;
  min-height: 1em;
}

.consentement {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: .88rem;
  color: var(--argent-doux);
  margin: 22px 0 6px;
  line-height: 1.5;
}
.consentement input { width: 18px; height: 18px; flex: none; margin-top: 3px; accent-color: var(--or); }

/* Petits boutons de selection rapide */
.champ__titre {
  font-family: var(--font-titre);
  font-size: .92rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--argent);
}
.puces-choix { display: flex; flex-wrap: wrap; gap: 9px; }

.puce-choix { cursor: pointer; }
.puce-choix input {
  position: absolute;
  opacity: 0;
  width: 0; height: 0;
}
.puce-choix span {
  display: inline-block;
  padding: 8px 15px;
  font-size: .88rem;
  color: var(--argent);
  background: var(--noir-3);
  border: 1px solid rgba(201, 206, 212, .2);
  border-radius: 999px;
  transition: var(--transition);
  user-select: none;
}
.puce-choix:hover span { border-color: rgba(212, 166, 74, .5); color: var(--blanc); }
.puce-choix input:checked + span {
  background: linear-gradient(135deg, var(--or), var(--or-clair));
  border-color: var(--or);
  color: #000;
  font-weight: 600;
}
.puce-choix input:focus-visible + span { box-shadow: 0 0 0 3px rgba(212, 166, 74, .35); }

/* Notification fixe en haut de l'ecran */
.notice {
  position: fixed;
  /* juste sous l'en-tete, pour ne pas recouvrir le menu */
  top: 96px;
  left: 50%;
  z-index: 200;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: min(92vw, 520px);
  padding: 16px 18px;
  border-radius: var(--radius);
  font-size: .95rem;
  line-height: 1.5;
  color: var(--blanc);
  background: var(--noir-2);
  border: 1px solid rgba(201, 206, 212, .18);
  border-left: 4px solid var(--or);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .45);
  transform: translate(-50%, -140%);
  opacity: 0;
  transition: transform .4s cubic-bezier(.22, .61, .36, 1), opacity .4s ease;
}
.notice.visible { transform: translate(-50%, 0); opacity: 1; }
.notice--succes { border-left-color: #5db478; }
.notice--echec  { border-left-color: #e05c5c; }

.notice__icone { flex: none; width: 22px; height: 22px; }
.notice--succes .notice__icone { color: #7fd79b; }
.notice--echec  .notice__icone { color: #f08a8a; }

.notice__texte { flex: 1; }

.notice__fermer {
  flex: none;
  background: none;
  border: 0;
  color: var(--argent-doux);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 2px;
  transition: var(--transition);
}
.notice__fermer:hover { color: var(--blanc); }

/* ---------- 15. Carte / horaires ---------- */
.horaires { list-style: none; margin: 0; padding: 0; }
.horaires li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(201, 206, 212, .16);
  font-size: .95rem;
  color: var(--argent-doux);
}
.horaires li b { color: var(--argent); font-weight: 500; }

/* ---------- 16. FAQ ---------- */
.faq { max-width: 860px; margin-inline: auto; }
.faq__item { border-bottom: 1px solid #e3e5e9; }
.faq__q {
  width: 100%;
  background: none;
  border: 0;
  padding: 22px 44px 22px 0;
  text-align: left;
  font-family: var(--font-titre);
  font-size: 1.15rem;
  color: var(--texte);
  cursor: pointer;
  position: relative;
}
.faq__q::after {
  content: '+';
  position: absolute; right: 6px; top: 50%;
  transform: translateY(-50%);
  font-size: 1.7rem;
  color: var(--or-fonce);
  transition: var(--transition);
}
.faq__item.ouvert .faq__q::after { content: '–'; }
.faq__r { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq__r p { padding-bottom: 20px; color: var(--texte-doux); margin: 0; }

/* ---------- 17. Pied de page ---------- */
.pied {
  background: var(--noir);
  color: var(--argent-doux);
  padding-top: 72px;
  border-top: 1px solid rgba(212, 166, 74, .22);
}
.pied__grille {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
}
.pied img { height: 78px; width: auto; margin-bottom: 18px; }
.pied h4 {
  color: var(--blanc);
  font-size: 1.1rem;
  letter-spacing: .12em;
  margin-bottom: 20px;
}
.pied ul { list-style: none; margin: 0; padding: 0; }
.pied li { margin-bottom: 11px; font-size: .94rem; }
.pied a { transition: var(--transition); }
.pied a:hover { color: var(--or); }
.pied p { font-size: .94rem; }

.reseaux { display: flex; gap: 12px; margin-top: 18px; }
.reseaux a {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid rgba(201, 206, 212, .2);
  border-radius: var(--radius);
}
.reseaux svg { width: 18px; height: 18px; fill: var(--argent); transition: var(--transition); }
.reseaux a:hover { background: var(--or); border-color: var(--or); }
.reseaux a:hover svg { fill: var(--noir); }

.credit {
  margin: 0;
  text-align: center;
  flex: 0 0 auto;
}
/* Les deux mentions laterales se partagent l'espace restant :
   le credit reste ainsi centre sur la page */
.pied__bas > p:first-child { flex: 1 1 0; }
.pied__bas > p:last-child  { flex: 1 1 0; text-align: right; }
.credit .coeur { font-size: .95em; }
.credit a {
  color: var(--argent);
  border-bottom: 1px solid rgba(212, 166, 74, .45);
  padding-bottom: 1px;
  transition: var(--transition);
}
.credit a:hover { color: var(--or); border-bottom-color: var(--or); }

.pied__bas {
  border-top: 1px solid rgba(201, 206, 212, .12);
  /* gouttiere laterale identique a .conteneur */
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: .86rem;
}

/* ---------- 18. Bouton retour haut ---------- */
.haut {
  position: fixed;
  right: 24px; bottom: 24px;
  width: 48px; height: 48px;
  display: grid; place-items: center;
  background: var(--or);
  color: var(--noir);
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: var(--transition);
  z-index: 90;
  font-size: 1.2rem;
}
.haut.visible { opacity: 1; pointer-events: auto; transform: none; }

/* ---------- 19. Animations d'apparition ---------- */
.anim { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.anim.vu { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .anim { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 19 bis. Bloc « intro + services » ---------- */
.duo--services {
  grid-template-columns: 0.82fr 1.35fr;
  align-items: start;
}
.duo--services .surtitre { margin-bottom: 20px; }

.grille--services { grid-template-columns: repeat(2, 1fr); gap: 22px; }
.grille--services .carte-service { padding: 30px 26px 28px; }
.grille--services .carte-service p { font-size: .94rem; }

/* Separateur du fil d'Ariane */
.fil .sep { color: var(--or); margin: 0 4px; }

/* ---------- 19 ter. Bloc scinde 30 / 70 ---------- */
.split {
  display: grid;
  grid-template-columns: 45fr 65fr;
  align-items: stretch;
  max-width: 1500px;
  margin-inline: auto;
}
.split__gauche {
  position: relative;
  background: #15151b;
  color: var(--argent);
  border-right: 4px solid var(--or);
}
/* Prolonge la couleur jusqu'au bord gauche de l'ecran en haute resolution */
.split__gauche::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; right: 100%;
  width: 100vw;
  background: #15151b;
  /* Le bloc est centre : son bord gauche tombe souvent sur une position
     fractionnaire en haute resolution. On fait deborder le prolongement
     d'un pixel sous le panneau, sinon un lisere blanc apparait entre les
     deux a cause des arrondis au pixel. */
  margin-right: -1px;
}
.split__droite { background: #fff; }

.split__inner { padding: clamp(44px, 5vw, 80px) clamp(26px, 3.4vw, 60px); }

.split__gauche h2 { color: var(--blanc); }
.split__gauche p  { color: var(--argent-doux); }

/* ---------- 19 quater. Carrousel de projets ---------- */
.carrousel { position: relative; margin-top: 40px; }

.carrousel__piste {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  padding-bottom: 6px;
}
.carrousel__piste::-webkit-scrollbar { display: none; }
.carrousel__piste .projet {
  flex: 0 0 calc((100% - 44px) / 3);
  scroll-snap-align: start;
}

.carrousel__fleche {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  display: grid; place-items: center;
  font-size: 1.9rem;
  line-height: 1;
  color: var(--noir);
  background: var(--or);
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  z-index: 3;
  transition: var(--transition);
}
.carrousel__fleche:hover { background: var(--or-clair); }
.carrousel__fleche:disabled { opacity: .3; cursor: default; }
.carrousel__fleche--prec { left: -16px; }
.carrousel__fleche--suiv { right: -16px; }

/* ---------- 19 quinquies. CTA avec photo de fond ---------- */
.cta--photo {
  background-image: url('../assets/img/soumission-bg.webp');
  background-size: cover;
  background-position: center;
  color: var(--texte);
}
.cta--photo::before { background: rgba(255, 255, 255, .84); }
.cta--photo h2 { color: var(--noir); }
.cta--photo p  { color: #4a505a; }

/* ---------- 19 sexies. Section claire sur photo (page Contact) ---------- */
.section--photo {
  position: relative;
  background-image: url('../assets/img/banner-bg.webp');
  background-size: cover;
  background-position: center;
  color: var(--texte);
}
/* Voile blanc qui se densifie vers le bas pour fondre avec la section suivante */
.section--photo::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg,
    rgba(255, 255, 255, .84) 0%,
    rgba(255, 255, 255, .9) 55%,
    rgba(255, 255, 255, .98) 85%,
    #ffffff 100%);
}
.section--photo > * { position: relative; }

.section--photo .infos-contact li { border-bottom-color: rgba(21, 21, 27, .12); }
.section--photo .infos-contact strong { color: var(--or-fonce); }
.section--photo .infos-contact span,
.section--photo .infos-contact a { color: var(--texte); }
.section--photo .infos-contact a:hover { color: var(--or-fonce); }
.section--photo .infos-contact svg { stroke: var(--or-fonce); }

.section--photo .horaires li { border-bottom-color: rgba(21, 21, 27, .14); color: var(--texte-doux); }
.section--photo .horaires li b { color: var(--texte); }

/* Le formulaire reste sombre : contraste net sur le fond clair */
.section--photo .formulaire {
  background: var(--noir-2);
  border-color: rgba(21, 21, 27, .12);
  box-shadow: var(--ombre);
}

/* ---------- 19 septies. Grille de cartes centrees ---------- */
.grille--centree .carte-service { text-align: center; }
.grille--centree .carte-service__icone { margin-inline: auto; }

/* ---------- 19 octies. Bandeau d'appel entre deux sections ---------- */
.bandeau-appel {
  /* bleu nuit plus profond que les autres sections sombres */
  background: #0c0c11;
  padding: 26px 0;
}
.bandeau-appel__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(18px, 3vw, 40px);
  flex-wrap: wrap;
}
.bandeau-appel p {
  margin: 0;
  font-family: var(--font-titre);
  font-size: clamp(1.1rem, 1.8vw, 1.45rem);
  font-weight: 500;
  color: var(--blanc);
  text-align: center;
}

/* ---------- 20. Responsive ---------- */
@media (max-width: 1024px) {
  .pied__grille { grid-template-columns: 1fr 1fr; }
  .duo { grid-template-columns: 1fr; }
  .visuel { min-height: 320px; }
  .badge-exp { right: 18px; }
  .contact-grille { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .burger { display: block; }

  /* Burger a gauche, logo centre */
  .entete__inner .burger { grid-area: 1 / 1; justify-self: start; }
  .logo { grid-area: 1 / 2; justify-self: center; }

  .nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(82vw, 340px);
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 110px 32px 40px;
    background: var(--noir-2);
    border-left: 1px solid rgba(212, 166, 74, .25);
    transform: translateX(100%);
    transition: transform .4s cubic-bezier(.22,.61,.36,1);
    overflow-y: auto;
  }
  .nav.ouverte { transform: none; }
  .nav a { font-size: 1.25rem; padding: 12px 0; width: 100%; }
  .nav .btn { display: inline-flex; margin-top: 18px; }

  .hero { min-height: auto; padding: 140px 0 90px; }
  .duo--services { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .split__gauche { border-right: 0; border-bottom: 4px solid var(--or); }
  .split__gauche .split__inner, .split__droite .split__inner { max-width: none; margin-inline: auto; }
  .carrousel__piste .projet { flex: 0 0 calc((100% - 22px) / 2); }

  /* Titres et bouton du bloc scinde centres sur mobile */
  .split h2 { text-align: center; }
  .split .trait { margin-inline: auto; }
  .split__gauche .btn { display: flex; width: fit-content; margin-inline: auto; }
  .carrousel__fleche--prec { left: 4px; }
  .carrousel__fleche--suiv { right: 4px; }
}

@media (max-width: 640px) {
  /* Les libelles longs ne doivent plus elargir la page */
  .btn {
    white-space: normal;
    text-align: center;
    padding: 15px 22px;
    font-size: .88rem;
    letter-spacing: .08em;
  }
  .conteneur { padding-inline: 18px; }
  .notice { top: 84px; }

  .champs { grid-template-columns: 1fr; }
  .grille--services { grid-template-columns: 1fr; }
  .carrousel__piste .projet { flex: 0 0 100%; }
  .pied__grille { grid-template-columns: 1fr; gap: 34px; text-align: center; }
  .pied img { height: 94px; margin-inline: auto; }
  .reseaux { justify-content: center; }
  .pied__bas { justify-content: center; text-align: center; padding-inline: 18px; }
  /* 0 1 auto et non 0 0 auto : le texte doit pouvoir se replier,
     sinon il garde sa largeur maximale et elargit la page. */
  .pied__bas > p:first-child,
  .pied__bas > p:last-child { flex: 0 1 auto; text-align: center; }
  .infos-contact li { justify-content: center; text-align: left; }
  .hero__actions .btn, .cta__actions .btn { width: 100%; justify-content: center; }
  .badge-exp { right: 12px; bottom: 12px; padding: 16px 20px; }
  .badge-exp b { font-size: 2rem; }
  .banniere { padding: 150px 0 60px; }
}