/* ================================================================
   RSM MENUISERIES — STYLE v2.0
   Navigation glassmorphism · Logo RSM · Design premium
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ── VARIABLES ─────────────────────────────────────────────────── */
:root {
  --bleu:        #0A2540;
  --bleu-clair:  #163D6B;
  --bleu-accent: #1E5FC0;
  --anthracite:  #1A1A1A;
  --gris-fonce:  #2C2C2C;
  --gris-moyen:  #6B7280;
  --gris-texte:  #4B5563;
  --gris-clair:  #F7F8FA;
  --gris-bord:   #E5E8EF;
  --blanc:       #FFFFFF;
  --or:          #B8922A;
  --or-clair:    #D4AC4A;
  --or-pale:     #F4ECD8;

  --font-serif:  'Cormorant Garamond', Georgia, serif;
  --font-sans:   'DM Sans', system-ui, sans-serif;
  --font-titre:  var(--font-serif);
  --font-corps:  var(--font-sans);

  --radius:      4px;
  --radius-lg:   10px;
  --radius-xl:   18px;
  --ombre:       0 4px 24px rgba(0,0,0,0.10);
  --ombre-forte: 0 16px 56px rgba(0,0,0,0.20);
  --transition:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── RESET ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--anthracite);
  background: var(--blanc);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; object-fit: cover; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── TYPOGRAPHIE ───────────────────────────────────────────────── */
h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
h4 { font-family: var(--font-sans); font-weight: 600; line-height: 1.3; }
h1 { font-size: clamp(2.6rem, 5.5vw, 4.6rem); }
h2 { font-size: clamp(2rem, 3.8vw, 3.2rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); }
h4 { font-size: 1.05rem; }
em { font-style: italic; color: inherit; }

p { max-width: 68ch; }

.label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--or);
}

/* ── BOUTONS ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.9rem 2.2rem;
  font-family: var(--font-sans);
  font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.09em; text-transform: uppercase;
  border: none; cursor: pointer;
  transition: var(--transition);
  border-radius: var(--radius);
  white-space: nowrap;
}
.btn-primaire  { background: var(--bleu-accent); color: var(--blanc); }
.btn-primaire:hover { background: var(--bleu); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(30,95,192,0.38); }
.btn-secondaire { background: transparent; color: var(--blanc); border: 1.5px solid rgba(255,255,255,0.45); }
.btn-secondaire:hover { border-color: var(--blanc); background: rgba(255,255,255,0.12); }
.btn-or   { background: var(--or); color: var(--blanc); }
.btn-or:hover { background: var(--or-clair); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(184,146,42,0.4); }
.btn-dark { background: var(--bleu); color: var(--blanc); }
.btn-dark:hover { background: var(--bleu-clair); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--bleu); border: 1.5px solid var(--bleu); }
.btn-outline:hover { background: var(--bleu); color: var(--blanc); }
.btn-outline-white { background: transparent; color: var(--blanc); border: 1.5px solid rgba(255,255,255,0.6); }
.btn-outline-white:hover { background: rgba(255,255,255,0.15); border-color: var(--blanc); }

/* ── LAYOUT ────────────────────────────────────────────────────── */
.container {
  width: 100%; max-width: 1260px;
  margin: 0 auto; padding: 0 2.5rem;
}
.section     { padding: 7rem 0; }
.section-sm  { padding: 4.5rem 0; }
.section-bg  { background: var(--gris-clair); }
.section-dark      { background: var(--bleu); color: var(--blanc); }
.section-anthracite{ background: var(--anthracite); color: var(--blanc); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 2.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 2rem; }

.section-header { margin-bottom: 4rem; }
.section-header .label { display: block; margin-bottom: 0.8rem; }
.section-header h2 { margin-bottom: 1.1rem; }
.section-header p { color: var(--gris-texte); font-size: 1.05rem; line-height: 1.75; }
.section-header.center { text-align: center; }
.section-header.center p { margin: 0 auto; }

/* ── NAVIGATION — GLASSMORPHISM ────────────────────────────────── */
#nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}
/* État transparent (hero pleine hauteur) */
#nav.nav-transparent {
  background: rgba(10,37,64,0.35);
  backdrop-filter: blur(12px) saturate(1.4);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
/* État scrollé / pages internes */
#nav.nav-solid {
  background: rgba(10,37,64,0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 2px 32px rgba(0,0,0,0.28);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 74px; padding: 0 2.5rem;
  max-width: 1260px; margin: 0 auto;
}

/* LOGO RSM */
.nav-logo {
  display: flex; align-items: center; gap: 0.85rem;
  color: var(--blanc);
  font-family: var(--font-sans);
  text-decoration: none;
}
.nav-logo-mark {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 46px; height: 46px;
  background: linear-gradient(135deg, var(--or) 0%, var(--or-clair) 100%);
  border-radius: 6px;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
.nav-logo-mark::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
}
.nav-logo-mark span {
  font-family: var(--font-sans);
  font-size: 1rem; font-weight: 700;
  color: var(--blanc);
  letter-spacing: 0.02em;
  line-height: 1;
  position: relative; z-index: 1;
}
.nav-logo-text { display: flex; flex-direction: column; }
.nav-logo-name {
  font-size: 1.1rem; font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.1;
  color: var(--blanc);
}
.nav-logo-sub {
  font-size: 0.6rem; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  line-height: 1;
  margin-top: 3px;
}

.nav-links {
  display: flex; align-items: center; gap: 0.1rem;
}
.nav-links a {
  color: rgba(255,255,255,0.82);
  font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.05em;
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius);
  transition: var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--blanc);
  background: rgba(255,255,255,0.1);
}
.nav-cta { display: flex; align-items: center; gap: 1rem; }
.nav-tel {
  color: var(--or-clair);
  font-weight: 600; font-size: 0.85rem;
  letter-spacing: 0.02em;
}
.nav-tel:hover { color: var(--blanc); }

/* Hamburger */
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 6px;
  background: none; border: none;
}
.nav-hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--blanc); border-radius: 2px;
  transition: var(--transition);
}

/* Mobile nav */
.nav-mobile {
  display: none; position: fixed; inset: 0;
  background: rgba(10,37,64,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999; flex-direction: column;
  justify-content: center; align-items: center;
  gap: 0; padding: 2rem;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  color: rgba(255,255,255,0.85);
  font-size: 1.5rem; font-family: var(--font-serif); font-weight: 300;
  letter-spacing: 0.02em;
  padding: 1rem 1.5rem; width: 100%; text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: var(--transition);
}
.nav-mobile a:hover { color: var(--blanc); background: rgba(255,255,255,0.06); }
.nav-mobile-close {
  position: absolute; top: 1.5rem; right: 1.5rem;
  color: rgba(255,255,255,0.6); font-size: 2rem;
  cursor: pointer; background: none; border: none;
  transition: var(--transition);
}
.nav-mobile-close:hover { color: var(--blanc); }

/* ── BREADCRUMB ─────────────────────────────────────────────────── */
.breadcrumb {
  display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-sans); font-size: 0.78rem;
  color: rgba(255,255,255,0.55); margin-bottom: 1.5rem;
}
.breadcrumb a { color: rgba(255,255,255,0.55); }
.breadcrumb a:hover { color: var(--blanc); }
.breadcrumb span:last-child { color: rgba(255,255,255,0.85); }

/* ── HERO PLEINE HAUTEUR ────────────────────────────────────────── */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  overflow: hidden; color: var(--blanc);
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero-bg img { width: 100%; height: 100%; }
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(10,37,64,0.82) 0%, rgba(10,37,64,0.55) 60%, rgba(10,37,64,0.25) 100%);
}
.hero-placeholder {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
.hero-placeholder-text {
  color: rgba(255,255,255,0.12);
  font-family: var(--font-sans); font-size: 0.75rem;
  letter-spacing: 0.2em; text-transform: uppercase;
  text-align: center;
}
.hero .container { position: relative; z-index: 1; padding-top: 6rem; padding-bottom: 4rem; }
.hero-content { max-width: 680px; }
.hero-content .label { color: var(--or-clair); margin-bottom: 1.5rem; }
.hero-content h1 { margin-bottom: 1.5rem; color: var(--blanc); }
.hero-content p {
  font-size: 1.1rem; line-height: 1.75;
  color: rgba(255,255,255,0.82);
  margin-bottom: 2.5rem; max-width: 55ch;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-scroll {
  position: absolute; bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  z-index: 1;
}
.hero-scroll::after {
  content: '';
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.45), transparent);
}

/* ── HERO INTERNE (pages secondaires) ──────────────────────────── */
.hero-inner {
  position: relative; padding-top: 74px;
  min-height: 360px;
  display: flex; align-items: flex-end;
  overflow: hidden; color: var(--blanc);
}
.hero-inner-bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero-inner-bg img { width: 100%; height: 100%; }
.hero-inner-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(10,37,64,0.88) 0%, rgba(10,37,64,0.55) 100%);
}
.hero-inner-content {
  position: relative; z-index: 1;
  padding-bottom: 4rem; padding-top: 3rem;
}
.hero-inner-content h1 {
  color: var(--blanc); font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 0.75rem; max-width: 600px;
}
.hero-inner-content p {
  color: rgba(255,255,255,0.72);
  font-size: 1rem; max-width: 50ch;
}

/* ── STATS BAR ──────────────────────────────────────────────────── */
.stats-bar {
  background: var(--bleu);
  color: var(--blanc);
  padding: 2.5rem 0;
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4,1fr);
  gap: 2rem; text-align: center;
}
.stat-number {
  font-family: var(--font-serif); font-size: 3rem; font-weight: 300;
  color: var(--or-clair); line-height: 1;
  margin-bottom: 0.4rem;
}
.stat-label {
  font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}

/* ── IMAGE SECTIONS ─────────────────────────────────────────────── */
/* Placeholder générique pour toutes les zones images */
.img-placeholder {
  background: linear-gradient(135deg, #e8edf4 0%, #d5dce9 100%);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 0.75rem;
  position: relative; overflow: hidden;
  border: 2px dashed rgba(13,37,78,0.12);
}
.img-placeholder::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 40% 40%, rgba(30,95,192,.04) 0%, transparent 70%);
}
.img-placeholder-inner {
  text-align: center; z-index: 1;
}
.img-placeholder-icon {
  font-size: 2.5rem; margin-bottom: 0.5rem; opacity: 0.4;
}
.img-placeholder-text {
  font-family: var(--font-sans); font-size: 0.72rem;
  font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--bleu); opacity: 0.5;
}

/* ── CARDS PRODUITS ─────────────────────────────────────────────── */
.produits-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 2px;
  border-radius: var(--radius-lg); overflow: hidden;
}
.produit-card {
  position: relative; overflow: hidden;
  aspect-ratio: 4/3;
  display: flex; align-items: flex-end;
  background: var(--bleu-clair);
}
.produit-card-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #1A3A6A, #0A2540);
  transition: transform 0.6s ease;
}
.produit-card:hover .produit-card-bg { transform: scale(1.04); }
.produit-card::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(5,20,40,0.96) 0%, rgba(5,20,40,0.65) 45%, rgba(5,20,40,0.2) 100%);
}
.produit-card-content {
  position: relative; z-index: 1;
  padding: 2rem; width: 100%;
}
.produit-card-tag {
  font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--or-clair); margin-bottom: 0.4rem; display: block;
  text-shadow: 0 1px 8px rgba(0,0,0,0.8);
}
.produit-card h3 {
  color: var(--blanc); font-size: 1.4rem; margin-bottom: 0.5rem;
  text-shadow: 0 2px 12px rgba(0,0,0,0.8);
}
.produit-card p {
  color: rgba(255,255,255,0.82); font-size: 0.82rem;
  line-height: 1.55; max-width: 30ch; margin-bottom: 1rem;
  text-shadow: 0 1px 8px rgba(0,0,0,0.8);
}
.produit-card .btn { font-size: 0.72rem; padding: 0.6rem 1.3rem; }
.produit-card-cta { background: var(--or); }
.produit-card-cta .produit-card-bg {
  background: linear-gradient(135deg, var(--or) 0%, #8B6B1C 100%);
}

/* ── AVANTAGES ──────────────────────────────────────────────────── */
.avantages-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 2.5rem;
}
.avantage-item {
  padding: 2.5rem;
  background: var(--gris-clair);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gris-bord);
  transition: var(--transition);
}
.avantage-item:hover {
  box-shadow: var(--ombre);
  transform: translateY(-4px);
  border-color: transparent;
}
.avantage-icon {
  width: 52px; height: 52px;
  background: var(--bleu);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
}
.avantage-item h4 { margin-bottom: 0.75rem; font-size: 1rem; }
.avantage-item p { font-size: 0.9rem; color: var(--gris-texte); line-height: 1.65; }

/* ── CERTIFICATIONS ─────────────────────────────────────────────── */
.certif-row {
  display: flex; align-items: center; justify-content: center;
  gap: 2rem; flex-wrap: wrap;
  padding: 2.5rem 0;
  border-top: 1px solid var(--gris-bord);
  border-bottom: 1px solid var(--gris-bord);
}
.certif-badge {
  display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
  opacity: 0.65; transition: var(--transition);
}
.certif-badge:hover { opacity: 1; }
.certif-badge-icon {
  width: 54px; height: 54px;
  background: var(--bleu);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 700; color: var(--blanc);
  font-family: var(--font-sans);
  letter-spacing: 0.02em;
}
.certif-badge span {
  font-size: 0.65rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--gris-moyen); text-align: center;
}

/* ── RÉALISATIONS ───────────────────────────────────────────────── */
.realisations-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 2px;
}
.realisation-card {
  position: relative; overflow: hidden; aspect-ratio: 3/2;
  background: var(--bleu);
  cursor: pointer;
}
.realisation-card-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #163D6B, #0A2540);
  transition: transform 0.6s ease;
}
.realisation-card:hover .realisation-card-bg { transform: scale(1.06); }
.realisation-card::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,37,64,0.88) 0%, transparent 50%);
  transition: opacity 0.3s;
}
.realisation-card-overlay {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 1.75rem;
}
.realisation-cat {
  font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--or-clair); margin-bottom: 0.3rem;
}
.realisation-card h4 { color: var(--blanc); font-size: 1rem; font-weight: 600; margin-bottom: 0.25rem; }
.realisation-card p { color: rgba(255,255,255,0.62); font-size: 0.8rem; }
.realisation-filters {
  display: flex; gap: 0.5rem; flex-wrap: wrap;
  margin-bottom: 2rem;
}
.filter-btn {
  padding: 0.45rem 1.1rem;
  font-family: var(--font-sans); font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.05em;
  background: var(--gris-clair); color: var(--gris-texte);
  border: 1.5px solid var(--gris-bord); border-radius: 100px;
  cursor: pointer; transition: var(--transition);
}
.filter-btn.active,
.filter-btn:hover { background: var(--bleu); color: var(--blanc); border-color: var(--bleu); }

/* ── ESPACE PROS ────────────────────────────────────────────────── */
.pro-offres-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem;
}
.pro-offre-card {
  background: var(--blanc);
  border: 1.5px solid var(--gris-bord);
  border-radius: var(--radius-xl);
  padding: 3rem;
  transition: var(--transition);
}
.pro-offre-card:hover { box-shadow: var(--ombre-forte); border-color: transparent; transform: translateY(-4px); }
.pro-offre-card.featured {
  background: var(--bleu);
  color: var(--blanc);
  border-color: var(--bleu);
}
.pro-offre-tag {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: var(--or); color: var(--blanc);
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  border-radius: 100px; margin-bottom: 1.5rem;
}
.pro-offre-card h3 { margin-bottom: 1rem; font-size: 1.6rem; }
.pro-offre-card > p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 2rem; color: var(--gris-texte); }
.pro-offre-card.featured > p { color: rgba(255,255,255,0.72); }
.pro-offre-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 2rem; }
.pro-offre-list li {
  display: flex; align-items: flex-start; gap: 0.75rem;
  font-size: 0.88rem;
}
.pro-offre-list li::before {
  content: '✓'; color: var(--or-clair);
  font-weight: 700; flex-shrink: 0; margin-top: 2px;
}
.pro-offre-card.featured .pro-offre-list li { color: rgba(255,255,255,0.85); }

/* ── METIERS PROS ───────────────────────────────────────────────── */
.metiers-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem;
}
.metier-card {
  padding: 2.5rem;
  border: 1.5px solid var(--gris-bord);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.metier-card:hover { box-shadow: var(--ombre); border-color: var(--bleu-accent); transform: translateY(-3px); }
.metier-icon { font-size: 2rem; margin-bottom: 1.25rem; }
.metier-card h4 { margin-bottom: 0.75rem; }
.metier-card p { font-size: 0.88rem; color: var(--gris-texte); line-height: 1.65; }

/* ── FORMULAIRES ────────────────────────────────────────────────── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.45rem; }
.form-group.full { grid-column: 1/-1; }
.form-group label {
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--anthracite);
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.9rem 1.1rem;
  border: 1.5px solid var(--gris-bord);
  border-radius: var(--radius-lg);
  font-family: var(--font-sans); font-size: 0.95rem;
  background: var(--blanc); color: var(--anthracite);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--bleu-accent);
  box-shadow: 0 0 0 3px rgba(30,95,192,0.1);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-mention {
  font-size: 0.75rem; color: var(--gris-moyen);
  text-align: center; margin-top: 0.5rem;
}
.form-success {
  text-align: center; padding: 3rem 1.5rem; display: none;
}
.form-success .success-icon {
  width: 72px; height: 72px;
  background: var(--bleu); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; margin: 0 auto 1.5rem;
  color: var(--blanc);
}
.form-success h4 { font-size: 1.5rem; margin-bottom: 0.75rem; }
.form-success p { color: var(--gris-texte); font-size: 0.95rem; }

/* ── CTA BAND ───────────────────────────────────────────────────── */
.cta-band {
  background: linear-gradient(105deg, var(--bleu) 0%, var(--bleu-clair) 100%);
  padding: 6rem 0; color: var(--blanc);
  text-align: center;
}
.cta-band h2 { margin-bottom: 1rem; }
.cta-band p { color: rgba(255,255,255,0.72); margin: 0 auto 2.5rem; max-width: 54ch; font-size: 1.05rem; }
.cta-band-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── TEMOIGNAGES ────────────────────────────────────────────────── */
.temoignages-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; }
.temoignage-card {
  background: var(--gris-clair);
  border-radius: var(--radius-xl); padding: 2.5rem;
  border: 1px solid var(--gris-bord);
}
.temoignage-stars { color: var(--or); font-size: 1rem; margin-bottom: 1.25rem; letter-spacing: 0.05em; }
.temoignage-card p { font-style: italic; color: var(--gris-texte); margin-bottom: 1.5rem; font-size: 0.95rem; line-height: 1.7; }
.temoignage-author { font-weight: 600; font-size: 0.85rem; }
.temoignage-meta { font-size: 0.78rem; color: var(--gris-moyen); }

/* ── ZONE D'INTERVENTION ────────────────────────────────────────── */
.zone-grid {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 1.25rem;
}
.zone-card {
  background: var(--gris-clair);
  border: 1px solid var(--gris-bord);
  border-radius: var(--radius-lg); padding: 1.5rem; text-align: center;
  transition: var(--transition);
}
.zone-card:hover { border-color: var(--bleu); background: var(--blanc); box-shadow: var(--ombre); }
.zone-num {
  font-family: var(--font-serif); font-size: 2.2rem; font-weight: 400;
  color: var(--bleu); display: block; line-height: 1; margin-bottom: 0.3rem;
}
.zone-name { font-size: 0.78rem; font-weight: 500; color: var(--gris-texte); }

/* ── FAQ ────────────────────────────────────────────────────────── */
.faq { max-width: 800px; }
.faq-item { border-bottom: 1px solid var(--gris-bord); }
.faq-q {
  width: 100%; text-align: left; padding: 1.5rem 0;
  background: none; border: none; cursor: pointer;
  font-family: var(--font-sans); font-size: 0.95rem; font-weight: 600;
  color: var(--anthracite);
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  transition: color 0.2s;
}
.faq-q:hover { color: var(--bleu); }
.faq-q::after { content: '+'; font-size: 1.3rem; font-weight: 300; color: var(--or); flex-shrink: 0; transition: transform 0.3s; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { display: none; padding-bottom: 1.5rem; }
.faq-item.open .faq-a { display: block; }
.faq-a p { font-size: 0.9rem; color: var(--gris-texte); line-height: 1.75; }

/* ── FOOTER ─────────────────────────────────────────────────────── */
footer {
  background: var(--anthracite); color: rgba(255,255,255,0.62);
  padding: 5rem 0 2rem;
}
.footer-grid {
  display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 3rem; margin-bottom: 3.5rem;
}
.footer-brand p {
  font-size: 0.88rem; line-height: 1.75;
  margin: 1.25rem 0; max-width: 32ch;
}
.footer-contact {
  display: flex; flex-direction: column; gap: 0.5rem;
  margin-top: 1.5rem;
}
.footer-contact a {
  font-size: 0.85rem; color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}
.footer-contact a:hover { color: var(--blanc); }
.footer-col h5 {
  font-family: var(--font-sans); font-size: 0.72rem;
  font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase;
  color: rgba(255,255,255,0.38); margin-bottom: 1.25rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-col ul li a {
  font-size: 0.88rem; color: rgba(255,255,255,0.58); transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--blanc); }
.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; flex-wrap: wrap;
  font-size: 0.78rem; color: rgba(255,255,255,0.3);
}
.footer-bottom a { color: rgba(255,255,255,0.3); }
.footer-bottom a:hover { color: rgba(255,255,255,0.7); }

/* Footer logo */
.footer-logo {
  display: flex; align-items: center; gap: 0.85rem; margin-bottom: 1rem;
}
.footer-logo-mark {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--or) 0%, var(--or-clair) 100%);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.footer-logo-mark span {
  font-family: var(--font-sans); font-size: 0.9rem; font-weight: 700;
  color: var(--blanc); letter-spacing: 0.02em;
}
.footer-logo-name {
  font-family: var(--font-sans); font-size: 1rem; font-weight: 600;
  color: var(--blanc); letter-spacing: 0.05em;
}
.footer-logo-sub {
  font-size: 0.6rem; font-weight: 500; letter-spacing: 0.18em;
  text-transform: uppercase; color: rgba(255,255,255,0.38);
  display: block; margin-top: 2px;
}

/* ── SCROLL TO TOP ──────────────────────────────────────────────── */
#scrollTop {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 500;
  width: 48px; height: 48px;
  background: var(--bleu); color: var(--blanc);
  border: none; border-radius: 50%;
  font-size: 1.1rem; cursor: pointer;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
  display: none; align-items: center; justify-content: center;
  transition: var(--transition);
}
#scrollTop.visible { display: flex; }
#scrollTop:hover { background: var(--bleu-clair); transform: translateY(-3px); }

/* ── ANIMATIONS ─────────────────────────────────────────────────── */
.fade-up { opacity: 0; transform: translateY(28px); transition: opacity 0.65s ease, transform 0.65s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── BRAND SECTIONS ─────────────────────────────────────────────── */
.brand-section {
  padding: 5rem;
  background: linear-gradient(135deg, var(--bleu) 0%, var(--bleu-clair) 100%);
  border-radius: var(--radius-xl); color: var(--blanc);
}
.brand-section .label { color: var(--or-clair); }
.brand-section h2 { margin-bottom: 1.25rem; }
.brand-section > p { color: rgba(255,255,255,0.72); margin-bottom: 3rem; font-size: 1rem; line-height: 1.75; }
.brand-points {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem;
}
.brand-point {
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg); padding: 1.5rem 1.25rem; text-align: center;
  font-size: 0.85rem; color: rgba(255,255,255,0.78); line-height: 1.5;
}
.brand-point strong { display: block; color: var(--or-clair); font-size: 1.4rem; font-family: var(--font-serif); margin-bottom: 0.3rem; }

/* ── COLORIS ────────────────────────────────────────────────────── */
.coloris-grid {
  display: flex; gap: 0.75rem; flex-wrap: wrap;
}
.coloris-swatch {
  display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
}
.coloris-swatch-color {
  width: 52px; height: 52px;
  border-radius: 8px;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.12);
}
.coloris-swatch span {
  font-size: 0.62rem; font-weight: 500;
  letter-spacing: 0.06em; color: var(--gris-moyen);
}

/* ── SECTIONS SPÉCIALES ─────────────────────────────────────────── */
.intro-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center;
}
.intro-text .label { margin-bottom: 1rem; }
.intro-text h2 { margin-bottom: 1.5rem; }
.intro-text p { color: var(--gris-texte); line-height: 1.8; margin-bottom: 1.25rem; }
.intro-text .btn { margin-top: 0.75rem; }

.intro-image {
  border-radius: var(--radius-xl); overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--ombre-forte);
}

/* Feature specs */
.specs-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.spec-card {
  background: var(--gris-clair); border: 1px solid var(--gris-bord);
  border-radius: var(--radius-lg); padding: 2rem;
  text-align: center;
}
.spec-val {
  font-family: var(--font-serif); font-size: 2.4rem; font-weight: 300;
  color: var(--bleu); display: block; margin-bottom: 0.3rem;
}
.spec-label { font-size: 0.8rem; font-weight: 500; color: var(--gris-texte); }

/* Gamme grid */
.gamme-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; }
.gamme-card {
  border: 1.5px solid var(--gris-bord); border-radius: var(--radius-lg);
  overflow: hidden; transition: var(--transition);
}
.gamme-card:hover { box-shadow: var(--ombre); border-color: var(--bleu-accent); transform: translateY(-4px); }
.gamme-card-img {
  aspect-ratio: 3/2;
  background: linear-gradient(135deg, #d5dce9, #bfc8da);
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.gamme-card-img-label {
  font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: rgba(10,37,64,0.3); font-weight: 500;
}
.gamme-card-body { padding: 1.75rem; }
.gamme-card-body h4 { margin-bottom: 0.5rem; }
.gamme-card-body p { font-size: 0.85rem; color: var(--gris-texte); line-height: 1.65; margin-bottom: 1.25rem; }
.gamme-card-body .btn { font-size: 0.75rem; padding: 0.6rem 1.2rem; }

/* Comparatif */
.comparatif-table {
  width: 100%; border-collapse: collapse; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--ombre);
}
.comparatif-table th {
  background: var(--bleu); color: var(--blanc);
  padding: 1.25rem 1.5rem; font-family: var(--font-sans);
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  text-align: left;
}
.comparatif-table th:nth-child(2),
.comparatif-table th:nth-child(3) { text-align: center; }
.comparatif-table td { padding: 1.1rem 1.5rem; font-size: 0.9rem; border-bottom: 1px solid var(--gris-bord); }
.comparatif-table tr:last-child td { border-bottom: none; }
.comparatif-table tr:nth-child(even) td { background: var(--gris-clair); }
.comparatif-table td:nth-child(2),
.comparatif-table td:nth-child(3) { text-align: center; font-size: 1.1rem; }
.comparatif-winner { background: rgba(30,95,192,.06) !important; }

/* ── RESPONSIVE ─────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .produits-grid { grid-template-columns: repeat(2,1fr); }
  .brand-points { grid-template-columns: repeat(2,1fr); }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; gap: 3rem; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .avantages-grid { grid-template-columns: 1fr 1fr; }
  .metiers-grid { grid-template-columns: 1fr 1fr; }
  .realisations-grid { grid-template-columns: 1fr 1fr; }
  .intro-split { grid-template-columns: 1fr; gap: 3rem; }
  .pro-offres-grid { grid-template-columns: 1fr; }
  .specs-grid { grid-template-columns: 1fr 1fr; }
  .gamme-grid { grid-template-columns: 1fr 1fr; }
  .zone-grid { grid-template-columns: repeat(4,1fr); }
  .brand-section { padding: 3rem 2.5rem; }
}
@media (max-width: 768px) {
  .container { padding: 0 1.5rem; }
  .section { padding: 5rem 0; }
  h1 { font-size: clamp(2.2rem, 7vw, 3.2rem); }
  h2 { font-size: clamp(1.7rem, 5vw, 2.4rem); }
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .hero-inner { min-height: 300px; }
  .grid-3 { grid-template-columns: 1fr; }
  .produits-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .temoignages-grid { grid-template-columns: 1fr; }
  .zone-grid { grid-template-columns: repeat(2,1fr); }
  .footer-bottom { flex-direction: column; text-align: center; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full { grid-column: 1; }
  .certif-row { gap: 1.25rem; }
  .avantages-grid { grid-template-columns: 1fr; }
  .metiers-grid { grid-template-columns: 1fr; }
  .specs-grid { grid-template-columns: 1fr 1fr; }
  .gamme-grid { grid-template-columns: 1fr; }
  .brand-points { grid-template-columns: 1fr 1fr; }
  .realisations-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .section { padding: 4rem 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .zone-grid { grid-template-columns: repeat(2,1fr); }
  .specs-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .cta-band-btns { flex-direction: column; align-items: center; }
  .brand-points { grid-template-columns: 1fr; }
  .brand-section { padding: 2.5rem 1.5rem; }
  .pro-offre-card { padding: 2rem; }
  .avantage-item { padding: 1.75rem; }
  .metier-card { padding: 1.75rem; }
  .coloris-grid { gap: 0.5rem; }
}

/* ── PERFORMANCES : lazy loading hint ──────────────────────────── */
img[loading="lazy"] { transition: opacity 0.4s; }

/* Les photos intégrées remplacent les anciens blocs d'attente. */
.intro-image > img + .img-placeholder { display: none; }

/* Pages légales et formulaires */
.legal-content { max-width:850px; }
.legal-content h2 { margin:2rem 0 1rem; font-size:2rem; }
.legal-content p { margin-bottom:1rem; line-height:1.8; }
.legal-content a,.form-mention a { text-decoration:underline; }
.form-trap { position:absolute; left:-10000px; width:1px; height:1px; overflow:hidden; }
.form-error { color:#a32727; margin-top:1rem; }