/* MILLAN AUTOMATION — feuille de style principale */

:root {
  --bleu-fonce: #0f2a43;
  --bleu: #1274b8;
  --bleu-clair: #2e9fd8;
  --orange: #f39c12;
  --gris-fond: #f4f7fa;
  --texte: #24313d;
  --texte-doux: #5a6b7a;
  --blanc: #ffffff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  color: var(--texte);
  line-height: 1.65;
  background: var(--blanc);
}

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

.conteneur {
  width: min(1100px, 92%);
  margin: 0 auto;
}

/* ---------- En-tête ---------- */
.entete {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--blanc);
  box-shadow: 0 2px 12px rgba(15, 42, 67, 0.08);
}

.entete .conteneur {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.logo img { height: 64px; width: auto; }

.logo-texte {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--bleu-fonce);
  letter-spacing: 0.02em;
}

.logo-texte span { color: var(--bleu-clair); }

.nav { display: flex; gap: 1.6rem; align-items: center; }

.nav a {
  text-decoration: none;
  color: var(--texte);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav a:hover, .nav a.actif {
  color: var(--bleu);
  border-bottom-color: var(--bleu-clair);
}

.nav .bouton { border-bottom: none; }

.burger {
  display: none;
  background: none;
  border: none;
  font-size: 1.7rem;
  color: var(--bleu-fonce);
  cursor: pointer;
}

/* ---------- Boutons ---------- */
.bouton {
  display: inline-block;
  background: var(--bleu);
  color: var(--blanc) !important;
  padding: 0.65rem 1.4rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.2s, transform 0.15s;
}

.bouton:hover { background: var(--bleu-clair); transform: translateY(-1px); }

.bouton-contour {
  background: transparent;
  border: 2px solid var(--blanc);
}

.bouton-contour:hover { background: rgba(255, 255, 255, 0.15); }

/* ---------- Héros ---------- */
.heros {
  background: linear-gradient(135deg, var(--bleu-fonce) 0%, #16436b 60%, var(--bleu) 100%);
  color: var(--blanc);
  padding: 5.5rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.heros::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 20%, rgba(46, 159, 216, 0.25), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(46, 159, 216, 0.18), transparent 40%);
  pointer-events: none;
}

.heros .conteneur { position: relative; z-index: 1; }

.heros h1 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  line-height: 1.2;
  max-width: 720px;
}

.heros h1 span { color: var(--bleu-clair); }

.heros p {
  margin: 1.2rem 0 2rem;
  font-size: 1.15rem;
  max-width: 640px;
  color: #d7e5f0;
}

.heros .actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ---------- Sections ---------- */
.section { padding: 4.5rem 0; }

.section-grise { background: var(--gris-fond); }

.section-titre {
  text-align: center;
  margin-bottom: 2.8rem;
}

.section-titre h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--bleu-fonce);
}

.section-titre .trait {
  width: 60px;
  height: 4px;
  background: var(--bleu-clair);
  margin: 0.8rem auto 0;
  border-radius: 2px;
}

.section-titre p { color: var(--texte-doux); margin-top: 0.8rem; }

/* ---------- Cartes services ---------- */
.grille-services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.carte {
  background: var(--blanc);
  border-radius: 10px;
  padding: 1.8rem 1.5rem;
  box-shadow: 0 4px 18px rgba(15, 42, 67, 0.07);
  border-top: 4px solid var(--bleu-clair);
  transition: transform 0.2s, box-shadow 0.2s;
}

.carte:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 28px rgba(15, 42, 67, 0.13);
}

.carte .icone {
  font-size: 2rem;
  margin-bottom: 0.8rem;
}

.carte h3 {
  color: var(--bleu-fonce);
  font-size: 1.12rem;
  margin-bottom: 0.6rem;
}

.carte p { color: var(--texte-doux); font-size: 0.95rem; }

.carte a {
  display: inline-block;
  margin-top: 0.9rem;
  color: var(--bleu);
  font-weight: 600;
  text-decoration: none;
}

.carte a:hover { text-decoration: underline; }

/* ---------- Bloc valeurs ---------- */
.grille-valeurs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.valeur { text-align: center; padding: 1rem; }

.valeur .icone { font-size: 2.2rem; margin-bottom: 0.6rem; }

.valeur h3 { color: var(--bleu-fonce); font-size: 1.05rem; margin-bottom: 0.4rem; }

.valeur p { color: var(--texte-doux); font-size: 0.93rem; }

/* ---------- Bandeau Siemens ---------- */
.bandeau {
  background: var(--bleu-fonce);
  color: var(--blanc);
  padding: 3rem 0;
}

.bandeau .conteneur {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.bandeau h3 { color: var(--bleu-clair); margin-bottom: 0.5rem; }

.bandeau p { color: #c6d6e4; font-size: 0.97rem; }

/* ---------- Pages internes ---------- */
.bandeau-page {
  background: linear-gradient(135deg, var(--bleu-fonce), var(--bleu));
  color: var(--blanc);
  padding: 3.2rem 0;
}

.bandeau-page h1 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }

.contenu-page { padding: 3.5rem 0; }

.contenu-page h2 {
  color: var(--bleu-fonce);
  margin: 2.2rem 0 0.8rem;
  font-size: 1.4rem;
}

.contenu-page h2:first-child { margin-top: 0; }

.contenu-page p { margin-bottom: 1rem; max-width: 820px; }

.contenu-page ul { margin: 0 0 1rem 1.4rem; max-width: 820px; }

.contenu-page li { margin-bottom: 0.5rem; }

.encart {
  background: var(--gris-fond);
  border-left: 4px solid var(--bleu-clair);
  padding: 1.2rem 1.5rem;
  border-radius: 0 8px 8px 0;
  margin: 1.8rem 0;
  max-width: 820px;
}

/* ---------- Contact ---------- */
.grille-contact {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 2.5rem;
  align-items: start;
}

.info-contact .bloc {
  margin-bottom: 1.6rem;
}

.info-contact h3 { color: var(--bleu-fonce); margin-bottom: 0.3rem; }

.info-contact p { color: var(--texte-doux); }

.formulaire {
  background: var(--blanc);
  border-radius: 10px;
  padding: 2rem;
  box-shadow: 0 4px 18px rgba(15, 42, 67, 0.08);
}

.formulaire label {
  display: block;
  font-weight: 600;
  margin: 1rem 0 0.3rem;
  color: var(--bleu-fonce);
  font-size: 0.95rem;
}

.formulaire label:first-child { margin-top: 0; }

.formulaire input,
.formulaire textarea {
  width: 100%;
  padding: 0.65rem 0.8rem;
  border: 1px solid #ccd6e0;
  border-radius: 6px;
  font: inherit;
  transition: border-color 0.2s;
}

.formulaire input:focus,
.formulaire textarea:focus {
  outline: none;
  border-color: var(--bleu-clair);
}

.formulaire button {
  margin-top: 1.4rem;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

/* ---------- Pied de page ---------- */
.pied {
  background: var(--bleu-fonce);
  color: #b9c9d8;
  padding: 3rem 0 1.5rem;
}

.pied .colonnes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.pied h4 { color: var(--blanc); margin-bottom: 0.7rem; }

.pied a { color: #b9c9d8; text-decoration: none; }

.pied a:hover { color: var(--bleu-clair); }

.pied ul { list-style: none; }

.pied li { margin-bottom: 0.4rem; }

.pied .mentions {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 1.2rem;
  text-align: center;
  font-size: 0.85rem;
}

/* ---------- Bandeau partenaires défilant ---------- */
.partenaires {
  background: var(--blanc);
  padding: 2.5rem 0;
  overflow: hidden;
  border-top: 1px solid #e6edf3;
}

.partenaires .titre {
  text-align: center;
  color: var(--texte-doux);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.8rem;
}

.ruban {
  display: flex;
  width: max-content;
  animation: defiler 40s linear infinite;
}

.partenaires:hover .ruban { animation-play-state: paused; }

.ruban img {
  height: 70px;
  width: auto;
  margin: 0 2.2rem;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.7;
  transition: filter 0.3s, opacity 0.3s;
}

.ruban img:hover {
  filter: grayscale(0);
  opacity: 1;
}

@keyframes defiler {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .ruban { animation: none; flex-wrap: wrap; justify-content: center; }
}

/* ---------- Carrousel ---------- */
.carrousel {
  position: relative;
  overflow: hidden;
  background: var(--bleu-fonce);
}

.carrousel .diapo {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.9s ease;
  background-size: cover;
  background-position: center;
}

.carrousel .diapo.visible { opacity: 1; }

.carrousel .voile {
  position: relative;
  z-index: 2;
  background: linear-gradient(180deg, rgba(15, 42, 67, 0.55), rgba(15, 42, 67, 0.75));
  padding: 6rem 0 5.5rem;
  color: var(--blanc);
}

.carrousel h1 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  line-height: 1.2;
  max-width: 760px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.carrousel .legende {
  margin: 1.2rem 0 2rem;
  font-size: 1.2rem;
  max-width: 640px;
  color: #e8f1f8;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
  min-height: 3.2em;
}

.carrousel .actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.carrousel .fleche {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: var(--blanc);
  font-size: 1.6rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.2s;
}

.carrousel .fleche:hover { background: rgba(255, 255, 255, 0.35); }

.carrousel .fleche.gauche { left: 14px; }
.carrousel .fleche.droite { right: 14px; }

.carrousel .points {
  position: absolute;
  bottom: 16px;
  left: 0;
  right: 0;
  z-index: 3;
  display: flex;
  justify-content: center;
  gap: 9px;
}

.carrousel .points button {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  padding: 0;
  transition: background 0.2s, transform 0.2s;
}

.carrousel .points button.actif {
  background: var(--blanc);
  transform: scale(1.25);
}

/* ---------- Sous-menu déroulant ---------- */
.menu-deroulant { position: relative; }

.menu-deroulant > a::after { content: " ▾"; font-size: 0.75em; }

.sous-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--blanc);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(15, 42, 67, 0.16);
  padding: 0.5rem 0;
  min-width: 250px;
  display: none;
  z-index: 50;
}

.menu-deroulant:hover .sous-menu,
.menu-deroulant.ouvert .sous-menu { display: block; }

.sous-menu a {
  display: block;
  padding: 0.55rem 1.2rem;
  border-bottom: none;
  font-weight: 500;
}

.sous-menu a:hover { background: var(--gris-fond); }

/* ---------- Responsive ---------- */
@media (max-width: 800px) {
  .burger { display: block; }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--blanc);
    flex-direction: column;
    padding: 1rem 4%;
    gap: 0.9rem;
    box-shadow: 0 8px 16px rgba(15, 42, 67, 0.12);
  }

  .nav.ouvert { display: flex; }

  .sous-menu {
    position: static;
    transform: none;
    box-shadow: none;
    padding-left: 1rem;
  }

  .carrousel .fleche { display: none; }

  .grille-contact { grid-template-columns: 1fr; }
}