/* ==========================================================================
   Plombier Chauffagiste Fontainebleau 77 — feuille de style principale
   ========================================================================== */

:root {
  --bleu-nuit: #0A1A2F;
  --bleu-section: #13293D;
  --bleu-carte: #16324A;
  --or: #C9A227;
  --or-clair: #E4C558;
  --blanc: #FFFFFF;
  --gris-clair: #B9C6D4;
  --gris-tres-clair: #E9EEF3;
  --ombre: rgba(0, 0, 0, 0.35);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --rayon: 10px;
  --max-largeur: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bleu-nuit);
  color: var(--blanc);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  max-width: var(--max-largeur);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 16px;
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); }
h3 { font-size: 1.2rem; }

p { color: var(--gris-clair); margin: 0 0 16px; }

.eyebrow {
  color: var(--or-clair);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 10px;
  display: inline-block;
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--rayon);
  font-weight: 700;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid var(--or-clair); outline-offset: 2px; }

.btn-or {
  background: var(--or);
  color: var(--bleu-nuit);
  box-shadow: 0 6px 20px rgba(201, 162, 39, 0.35);
}
.btn-or:hover { background: var(--or-clair); }

.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.35);
  color: var(--blanc);
}
.btn-outline:hover { border-color: var(--or-clair); color: var(--or-clair); }

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

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 26, 47, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
  gap: 20px;
}
.logo-link { display: flex; align-items: center; gap: 10px; }
.logo-link img { height: 48px; width: auto; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--gris-clair);
}
.main-nav a:hover, .main-nav a.actif { color: var(--or-clair); }

.header-actions { display: flex; align-items: center; gap: 14px; }
.tel-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--blanc);
}
.tel-link svg { flex-shrink: 0; }

.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  padding: 60px 0 70px;
  background:
    radial-gradient(circle at 15% 20%, rgba(201,162,39,0.10), transparent 45%),
    linear-gradient(180deg, var(--bleu-nuit) 0%, var(--bleu-section) 100%);
}
.hero .container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201,162,39,0.12);
  border: 1px solid rgba(201,162,39,0.4);
  color: var(--or-clair);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 18px;
}
.hero h1 { margin-bottom: 18px; }
.hero .sous-titre { font-size: 1.08rem; margin-bottom: 28px; max-width: 46ch; }
.hero-img-wrap {
  border-radius: var(--rayon);
  overflow: hidden;
  box-shadow: 0 20px 50px var(--ombre);
  border: 1px solid rgba(255,255,255,0.08);
}
.hero-img-wrap img { width: 100%; height: 100%; object-fit: cover; }

/* Carte formulaire dans le hero */
.form-card {
  background: var(--bleu-carte);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--rayon);
  padding: 28px;
  box-shadow: 0 20px 50px var(--ombre);
}
.form-card h2 { font-size: 1.3rem; margin-bottom: 6px; }
.form-card .form-sub { font-size: 0.9rem; margin-bottom: 18px; }
.form-card form { display: flex; flex-direction: column; gap: 14px; }
.form-card label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gris-clair);
  margin-bottom: 6px;
  display: block;
}
.form-card input,
.form-card textarea {
  width: 100%;
  padding: 13px 14px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.04);
  color: var(--blanc);
  font-family: var(--font-body);
  font-size: 1rem;
}
.form-card input::placeholder, .form-card textarea::placeholder { color: rgba(255,255,255,0.35); }
.form-card input:focus, .form-card textarea:focus {
  outline: none;
  border-color: var(--or);
  background: rgba(255,255,255,0.07);
}
.form-card textarea { resize: vertical; min-height: 90px; }
.form-card .btn { width: 100%; margin-top: 4px; }
.honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; }

/* ---------- Bandeau badges de confiance ---------- */
.badges {
  background: var(--bleu-section);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 26px 0;
}
.badges .container {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.badge-item {
  text-align: center;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--blanc);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.badge-item svg { color: var(--or-clair); }

/* ---------- Sections génériques ---------- */
.section { padding: 80px 0; }
.section-alt { background: var(--bleu-section); }
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head.centre { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Grille de services ---------- */
.grille-services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.carte-service {
  background: var(--bleu-carte);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--rayon);
  padding: 30px 26px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.carte-service:hover { transform: translateY(-4px); border-color: rgba(201,162,39,0.4); }
.carte-service .icone {
  width: 46px; height: 46px;
  border-radius: 10px;
  background: rgba(201,162,39,0.14);
  color: var(--or-clair);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.carte-service h3 { margin-bottom: 10px; }
.carte-service p { font-size: 0.94rem; margin-bottom: 14px; }
.carte-service .lien-service { color: var(--or-clair); font-weight: 700; font-size: 0.9rem; }

/* ---------- Liste de services (pages détail) ---------- */
.liste-services-detail { display: flex; flex-direction: column; gap: 20px; }
.item-service-detail {
  display: flex;
  gap: 20px;
  background: var(--bleu-carte);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--rayon);
  padding: 24px;
}
.item-service-detail .icone {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: 10px;
  background: rgba(201,162,39,0.14);
  color: var(--or-clair);
  display: flex; align-items: center; justify-content: center;
}
.item-service-detail h3 { margin-bottom: 6px; }
.item-service-detail p { margin: 0; font-size: 0.94rem; }

/* ---------- Process / étapes ---------- */
.etapes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.etape { text-align: left; }
.etape .num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--or-clair);
  margin-bottom: 10px;
}
.etape h3 { font-size: 1.05rem; margin-bottom: 8px; }
.etape p { font-size: 0.9rem; margin: 0; }

/* ---------- Galerie ---------- */
.galerie {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.galerie .item-galerie {
  border-radius: var(--rayon);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  border: 1px solid rgba(255,255,255,0.08);
}
.galerie .item-galerie img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.galerie .item-galerie:hover img { transform: scale(1.06); }

/* ---------- À propos ---------- */
.apropos-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
  align-items: center;
}
.apropos-grid .img-wrap { border-radius: var(--rayon); overflow: hidden; border: 1px solid rgba(255,255,255,0.08); aspect-ratio: 4/5; }
.apropos-grid .img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.stat-row { display: flex; gap: 34px; margin-top: 24px; }
.stat-row .stat-num { font-family: var(--font-display); font-size: 2.1rem; color: var(--or-clair); }
.stat-row .stat-label { font-size: 0.82rem; color: var(--gris-clair); }

/* ---------- Zone d'intervention ---------- */
.zone-liste {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}
.zone-pill {
  background: var(--bleu-carte);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gris-clair);
}

/* ---------- FAQ ---------- */
.faq-item {
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
}
.faq-item h3 { margin-bottom: 8px; font-size: 1.05rem; }
.faq-item p { margin: 0; font-size: 0.94rem; }

/* ---------- Bandeau CTA final ---------- */
.cta-final {
  background: linear-gradient(120deg, var(--bleu-carte), var(--bleu-section));
  border-radius: 18px;
  padding: 56px 40px;
  text-align: center;
  border: 1px solid rgba(201,162,39,0.25);
}
.cta-final h2 { margin-bottom: 14px; }
.cta-final .cta-group { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer {
  background: #071320;
  padding: 60px 0 26px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 40px;
}
.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--or-clair);
  margin-bottom: 16px;
}
.footer-col a, .footer-col p { display: block; font-size: 0.9rem; color: var(--gris-clair); margin-bottom: 10px; }
.footer-col a:hover { color: var(--or-clair); }
.footer-logo { height: 40px; margin-bottom: 14px; }
.footer-bas {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}

/* ---------- Fil d'ariane ---------- */
.fil-ariane { padding: 20px 0 0; font-size: 0.85rem; color: var(--gris-clair); }
.fil-ariane a:hover { color: var(--or-clair); }

/* ---------- Bloc appel bas de page service ---------- */
.bloc-appel {
  background: var(--bleu-carte);
  border: 1px solid rgba(201,162,39,0.25);
  border-radius: var(--rayon);
  padding: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.bloc-appel h3 { margin: 0 0 6px; }
.bloc-appel p { margin: 0; }

/* ---------- Services présentation éditoriale ---------- */
.services-editorial { display: flex; flex-direction: column; gap: 70px; }
.service-row {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 50px;
  align-items: center;
}
.service-row.inverse .service-row-img { order: 2; }
.service-row.inverse .service-row-texte { order: 1; }
.service-row-img {
  border-radius: var(--rayon);
  overflow: hidden;
  aspect-ratio: 4/3;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 16px 40px var(--ombre);
}
.service-row-img img { width: 100%; height: 100%; object-fit: cover; }
.service-row-texte .num {
  font-family: var(--font-display);
  color: var(--or-clair);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}
.service-row-texte h3 { font-size: 1.5rem; margin-bottom: 14px; }
.service-row-texte p { font-size: 1rem; margin-bottom: 0; }
.service-row-texte p + p { margin-top: 12px; }

@media (max-width: 800px) {
  .service-row { grid-template-columns: 1fr; }
  .service-row.inverse .service-row-img,
  .service-row.inverse .service-row-texte { order: initial; }
}

/* ---------- Formulaire : message de confirmation sans rechargement ---------- */
.form-success {
  display: none;
  text-align: center;
  padding: 30px 10px;
}
.form-success.visible { display: block; }
.form-card form.masque { display: none; }
.form-success .icone-succes {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: rgba(201,162,39,0.15);
  color: var(--or-clair);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}
.form-success h3 { font-size: 1.1rem; margin-bottom: 8px; }
.form-success p { font-size: 0.92rem; margin: 0; }
.form-erreur { color: #e88; font-size: 0.85rem; display: none; margin-top: 6px; }
.form-erreur.visible { display: block; }
@media (max-width: 900px) {
  .main-nav { display: none; }
  .hero .container { grid-template-columns: 1fr; }
  .badges .container { grid-template-columns: repeat(2, 1fr); }
  .grille-services { grid-template-columns: 1fr; }
  .etapes { grid-template-columns: repeat(2, 1fr); }
  .galerie { grid-template-columns: repeat(2, 1fr); }
  .apropos-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .item-service-detail { flex-direction: column; }
}

@media (max-width: 560px) {
  .cta-group { flex-direction: column; align-items: stretch; }
  .cta-group .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .bloc-appel { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}