/* ==========================================================================
   MMS Solutions — feuille de style principale
   Palette reprise du logo : vert forêt, orange, blanc.
   ========================================================================== */

:root {
  --vert-950: #0d2718;
  --vert-900: #15422a;
  --vert-800: #1b5335;
  --vert-700: #226b42;
  --vert-500: #3e9b4f;
  --vert-100: #e3efe6;

  --orange: #f26522;
  --orange-fonce: #d24f13;
  --orange-clair: #fdeee6;

  --texte: #1b241f;
  --texte-doux: #55605a;
  --texte-inverse: #ffffff;
  --texte-inverse-doux: #c6d8cc;

  --fond: #ffffff;
  --fond-gris: #f6f8f5;
  --bordure: #dfe5dc;
  --bordure-claire: #eef1ec;

  --largeur: 1180px;
  --rayon: 14px;
  --rayon-sm: 9px;
  --ombre: 0 1px 2px rgba(13, 39, 24, .04), 0 8px 24px rgba(13, 39, 24, .06);
  --ombre-forte: 0 18px 48px rgba(13, 39, 24, .14);

  --police: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --transition: .25s cubic-bezier(.4, 0, .2, 1);

  --hauteur-entete: 84px;
}

/* --------------------------------------------------------- base ---------- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--hauteur-entete) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--police);
  font-size: 17px;
  line-height: 1.65;
  color: var(--texte);
  background: var(--fond);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--vert-700); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--orange-fonce); }

h1, h2, h3, h4 { margin: 0; line-height: 1.2; font-weight: 700; letter-spacing: -.015em; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
  border-radius: 4px;
}

.lien-evitement {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--vert-900);
  color: #fff;
  padding: 12px 20px;
  border-radius: 0 0 var(--rayon-sm) 0;
}
.lien-evitement:focus { left: 0; color: #fff; }

.conteneur {
  width: min(100% - 40px, var(--largeur));
  margin-inline: auto;
}

/* ------------------------------------------------------- boutons ---------- */

.bouton {
  --fond-bouton: var(--orange);
  --texte-bouton: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border: 2px solid transparent;
  border-radius: 999px;
  background: var(--fond-bouton);
  color: var(--texte-bouton);
  font: inherit;
  font-weight: 650;
  font-size: 16px;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition),
              color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.bouton:hover {
  color: var(--texte-bouton);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(13, 39, 24, .18);
}
.bouton:active { transform: translateY(0); }

.bouton--orange { --fond-bouton: var(--orange); }
.bouton--orange:hover { --fond-bouton: var(--orange-fonce); }

.bouton--vert { --fond-bouton: var(--vert-900); }
.bouton--vert:hover { --fond-bouton: var(--vert-800); }

.bouton--contour {
  background: transparent;
  border-color: rgba(255, 255, 255, .45);
  color: #fff;
}
.bouton--contour:hover {
  background: rgba(255, 255, 255, .12);
  border-color: #fff;
  color: #fff;
}
.section .bouton--contour {
  border-color: var(--vert-900);
  color: var(--vert-900);
}
.section .bouton--contour:hover {
  background: var(--vert-900);
  color: #fff;
}

.bouton--large { width: 100%; }

/* -------------------------------------------------------- entête ---------- */

.entete {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--bordure-claire);
  transition: box-shadow var(--transition);
}
.entete.est-defile { box-shadow: 0 4px 18px rgba(13, 39, 24, .08); }

.entete__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--hauteur-entete);
}

.entete__logo { display: block; flex: none; }
.entete__logo img { height: 54px; width: auto; }

.nav { display: flex; align-items: center; gap: 30px; }
.nav__liste { display: flex; align-items: center; gap: 28px; }

.nav__lien {
  position: relative;
  color: var(--texte);
  font-weight: 600;
  font-size: 15.5px;
  text-decoration: none;
  padding: 6px 0;
}
.nav__lien::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav__lien:hover, .nav__lien.est-actif { color: var(--vert-900); }
.nav__lien:hover::after, .nav__lien.est-actif::after { transform: scaleX(1); }

/* ------------------------------------------------ sélecteur de langue ---- */

.langues {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--bordure);
  border-radius: 999px;
  background: var(--fond-gris);
}

.langues__lien {
  display: block;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 650;
  letter-spacing: .04em;
  color: var(--texte-doux);
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}
.langues__lien abbr { text-decoration: none; border: none; cursor: inherit; }
.langues__lien:hover { color: var(--vert-900); background: #fff; }

.langues__lien.est-actif {
  background: var(--vert-900);
  color: #fff;
  cursor: default;
}
.langues__lien.est-actif:hover { background: var(--vert-900); color: #fff; }

.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--bordure);
  border-radius: var(--rayon-sm);
  background: #fff;
  cursor: pointer;
}
.burger span {
  display: block;
  width: 22px;
  height: 2px;
  margin-inline: auto;
  background: var(--vert-900);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------------------------------------------------- hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--vert-900) 0%, var(--vert-950) 60%, #0a2014 100%);
  color: var(--texte-inverse);
  padding: clamp(56px, 8vw, 104px) 0 clamp(64px, 9vw, 112px);
}
.hero__decor {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(680px 420px at 88% 12%, rgba(242, 101, 34, .22), transparent 65%),
    radial-gradient(560px 380px at 6% 92%, rgba(62, 155, 79, .28), transparent 70%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
}

.hero__titre {
  font-size: clamp(2.05rem, 4.6vw, 3.35rem);
  letter-spacing: -.025em;
  margin-bottom: 20px;
  text-wrap: balance;
}
.hero__accroche {
  font-size: clamp(1.02rem, 1.5vw, 1.16rem);
  color: var(--texte-inverse-doux);
  max-width: 58ch;
  margin-bottom: 32px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__visuel {
  background: #fff;
  border-radius: 22px;
  padding: 22px;
  box-shadow: var(--ombre-forte);
  rotate: 1.4deg;
}
.hero__visuel img { border-radius: 12px; }

.chiffres {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 44px);
  margin-top: 42px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, .16);
}
.chiffres__item { display: flex; flex-direction: column; }
.chiffres__valeur {
  font-size: 1.9rem;
  font-weight: 750;
  line-height: 1.1;
  color: var(--orange);
}
.chiffres__libelle {
  font-size: .88rem;
  color: var(--texte-inverse-doux);
  text-transform: uppercase;
  letter-spacing: .07em;
  margin-top: 4px;
}

/* ------------------------------------------------------ sections ---------- */

.section { padding: clamp(58px, 8vw, 104px) 0; }
.section--gris { background: var(--fond-gris); }
.section--vert { background: var(--vert-900); color: var(--texte-inverse); }

.surtitre {
  margin: 0 0 12px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--orange);
}
.surtitre--clair { color: var(--orange); }

.titre-section {
  font-size: clamp(1.65rem, 3.2vw, 2.4rem);
  margin-bottom: 22px;
  text-wrap: balance;
}

.texte { color: var(--texte-doux); }
.texte--intro { font-size: 1.06rem; max-width: 62ch; }

.entete-section { margin-bottom: clamp(32px, 5vw, 54px); }
.entete-section--centre { text-align: center; }
.entete-section--centre .texte--intro { margin-inline: auto; }

.grille-2 {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}
.grille-2--contact { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }

/* ------------------------------------------------- listes cochées --------- */

.liste-cochee { display: grid; gap: 11px; }
.liste-cochee li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 11px;
  align-items: start;
  color: var(--texte-doux);
  line-height: 1.55;
}
.puce {
  width: 20px;
  height: 20px;
  margin-top: 3px;
  color: var(--vert-500);
  flex: none;
}

.encadre {
  background: var(--vert-100);
  border: 1px solid #cde0d3;
  border-radius: var(--rayon);
  padding: clamp(24px, 3vw, 32px);
}
.encadre__titre {
  font-size: 1.12rem;
  margin-bottom: 16px;
  color: var(--vert-900);
}
.encadre .liste-cochee li { color: var(--vert-900); }

/* ------------------------------------------------------ services ---------- */

.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
  gap: 26px;
  align-items: start;
}

.service {
  position: relative;
  background: #fff;
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  padding: clamp(26px, 3vw, 34px);
  box-shadow: var(--ombre);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--vert-700), var(--orange));
}
.service:hover {
  transform: translateY(-4px);
  border-color: #cbd8c9;
  box-shadow: var(--ombre-forte);
}

.service__tete {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}
.service__icone {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  flex: none;
  border-radius: 14px;
  background: var(--vert-100);
  color: var(--vert-800);
}
.icone { width: 28px; height: 28px; }

.service__numero {
  display: block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--orange);
}
.service__titre { font-size: 1.32rem; color: var(--vert-900); }

.service__intitule {
  margin: 20px 0 12px;
  font-weight: 650;
  font-size: .93rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--vert-900);
}

.service__conclusion {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--bordure);
  font-size: .95rem;
  font-style: italic;
  color: var(--texte-doux);
}

/* Le service qui contient des sous-services occupe toute la largeur de la grille */
.service--large { grid-column: 1 / -1; }

.sous-services {
  display: grid;
  /* min() empêche la colonne de rester plus large que son conteneur
     sur les très petits écrans (320 px) */
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: 22px;
  align-items: start;
}
.sous-services .sous-service { margin-top: 0; }

.sous-service {
  margin-top: 26px;
  padding: 22px;
  border-radius: var(--rayon-sm);
  background: var(--fond-gris);
  border-left: 3px solid var(--orange);
}
.sous-service__titre {
  font-size: 1.08rem;
  margin-bottom: 8px;
  color: var(--vert-900);
}
.sous-service .service__conclusion { border-top-color: #d7ded4; }

/* ------------------------------------------------------- valeurs ---------- */

.valeurs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(255px, 100%), 1fr));
  gap: 22px;
}
.valeur {
  padding: 26px 24px;
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.valeur:hover { border-color: var(--vert-500); box-shadow: var(--ombre); }
.valeur__titre {
  font-size: 1.1rem;
  color: var(--vert-900);
  margin-bottom: 8px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--orange);
  display: inline-block;
}
.valeur__texte { margin: 0; color: var(--texte-doux); font-size: .96rem; }

/* -------------------------------------------------------- vision ---------- */

.vision { max-width: 860px; text-align: center; margin-inline: auto; }
.vision__titre {
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  margin-bottom: 18px;
  text-wrap: balance;
}
.vision__texte {
  margin: 0;
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  color: var(--texte-inverse-doux);
}

/* ------------------------------------------------------- contact ---------- */

.coordonnees { margin: 28px 0 30px; }
.coordonnees__ligne {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--bordure-claire);
}
.coordonnees dt {
  font-weight: 650;
  font-size: .82rem;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--vert-900);
  padding-top: 2px;
}
.coordonnees dd { margin: 0; color: var(--texte-doux); }
.coordonnees dd a { color: var(--vert-700); text-decoration: none; font-weight: 600; }
.coordonnees dd a:hover { text-decoration: underline; }

.contact__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.formulaire {
  background: var(--fond-gris);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  padding: clamp(24px, 3vw, 34px);
}
.formulaire__titre {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--vert-900);
  margin-bottom: 22px;
}
.champ { margin-bottom: 18px; }
.champ--double { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.champ label {
  display: block;
  margin-bottom: 7px;
  font-size: .89rem;
  font-weight: 650;
  color: var(--vert-900);
}
.champ label span { color: var(--orange); }

.champ input,
.champ select,
.champ textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--bordure);
  border-radius: var(--rayon-sm);
  background: #fff;
  font: inherit;
  font-size: 16px;
  color: var(--texte);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.champ textarea { resize: vertical; min-height: 120px; }
.champ input:focus,
.champ select:focus,
.champ textarea:focus {
  outline: none;
  border-color: var(--vert-500);
  box-shadow: 0 0 0 3px rgba(62, 155, 79, .18);
}
.champ input::placeholder, .champ textarea::placeholder { color: #9aa79f; }

.formulaire__note {
  margin: 14px 0 0;
  font-size: .84rem;
  color: var(--texte-doux);
  text-align: center;
}

/* ------------------------------------------------ page de confirmation --- */

.merci { display: grid; place-items: center; min-height: 56vh; }
.merci__inner { max-width: 640px; text-align: center; }
.merci__inner .texte--intro { margin-inline: auto; }
.merci__actions { justify-content: center; margin-top: 28px; }

/* -------------------------------------------- retour en haut de page ---- */

.haut {
  position: fixed;
  right: clamp(14px, 3vw, 26px);
  bottom: clamp(14px, 3vw, 26px);
  z-index: 90;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--vert-900);
  color: #fff;
  box-shadow: 0 4px 12px rgba(13, 39, 24, .22), 0 12px 28px rgba(13, 39, 24, .16);
  /* Masque par defaut : le script le revele une fois la page descendue. */
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition),
              visibility var(--transition), background var(--transition);
}
.haut.est-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.haut:hover { background: var(--orange); color: #fff; }
.haut svg { width: 21px; height: 21px; }

@media print { .haut { display: none; } }

/* ----------------------------------------------------------- pied --------- */

.pied {
  background: var(--vert-950);
  color: var(--texte-inverse-doux);
  padding: clamp(48px, 6vw, 72px) 0 28px;
}
.pied__grille {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: 40px;
}
.pied__logo {
  height: 60px;
  width: auto;
  background: #fff;
  border-radius: 10px;
  padding: 8px 14px;
  margin-bottom: 18px;
}
.pied__slogan { margin: 0; max-width: 34ch; font-size: .96rem; }

.pied__titre {
  font-size: .84rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 16px;
}
.pied__liste { display: grid; gap: 10px; font-size: .95rem; }
.pied__liste a { color: var(--texte-inverse-doux); text-decoration: none; }
.pied__liste a:hover { color: var(--orange); text-decoration: underline; }

.pied__bas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: .88rem;
}
.pied__bas p { margin: 0; }
.pied__reseaux { display: flex; gap: 20px; }
.pied__reseaux a { color: var(--texte-inverse-doux); text-decoration: none; }
.pied__reseaux a:hover { color: var(--orange); }

/* ------------------------------------------------------ responsive -------- */

@media (max-width: 1000px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visuel { max-width: 400px; margin-inline: auto; rotate: 0deg; }
  .grille-2, .grille-2--contact { grid-template-columns: 1fr; }
  .pied__grille { grid-template-columns: 1fr 1fr; }
  .pied__bloc--marque { grid-column: 1 / -1; }
}

/* Seuil du menu déroulant : en-tête = logo + 5 entrées + sélecteur de langue
   + bouton, soit ~915 px de contenu. En dessous de 1024 px, tout passe dans
   le tiroir. Si vous ajoutez une entrée de menu ou une langue, remontez ce
   seuil et celui de main.js en même temps. */
@media (max-width: 1024px) {
  :root { --hauteur-entete: 72px; }

  .burger { display: flex; }

  .nav {
    position: fixed;
    inset: var(--hauteur-entete) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 26px;
    background: #fff;
    border-bottom: 1px solid var(--bordure);
    box-shadow: 0 18px 34px rgba(13, 39, 24, .12);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }
  .nav.est-ouvert { transform: translateY(0); opacity: 1; visibility: visible; }

  .nav__liste { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__lien {
    display: block;
    padding: 15px 4px;
    border-bottom: 1px solid var(--bordure-claire);
    font-size: 1.02rem;
  }
  .nav__lien::after { display: none; }
  .langues { align-self: start; margin-top: 20px; }

  .entete__logo img { height: 42px; }

  body.menu-ouvert { overflow: hidden; }
}

@media (max-width: 620px) {
  body { font-size: 16.5px; }
  .conteneur { width: min(100% - 32px, var(--largeur)); }
  .services { grid-template-columns: 1fr; }
  .champ--double { grid-template-columns: 1fr; }
  .coordonnees__ligne { grid-template-columns: 1fr; gap: 4px; }
  .pied__grille { grid-template-columns: 1fr; }
  .hero__actions .bouton, .contact__actions .bouton { flex: 1 1 200px; }
  .chiffres { gap: 22px 30px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
  .service:hover, .bouton:hover { transform: none; }
}

/* ----------------------------------------------------- impression -------- */

@media print {
  .entete, .burger, .formulaire, .hero__decor { display: none !important; }
  .hero, .section--vert, .pied { background: #fff !important; color: #000 !important; }
  .hero__accroche, .vision__texte, .pied { color: #333 !important; }
  .service { break-inside: avoid; box-shadow: none; }
}