/* ============================================================
   XPERTISE RÉNOVATION — Design System v2.0
   Police: DM Sans (Google Fonts)
   Palette: Noir premium + Or chaleureux + Blanc cassé
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

/* ── Variables ── */
:root {
  --noir:        #111111;
  --noir-doux:   #1E1E1E;
  --or:          #B8922A;
  --or-clair:    #D4A843;
  --or-pale:     #F5ECD6;
  --blanc:       #FFFFFF;
  --creme:       #FAF9F7;
  --gris-clair:  #F2F0ED;
  --gris-moyen:  #9A9A9A;
  --gris-texte:  #555555;
  --texte:       #2A2A2A;

  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;

  --ombre-sm: 0 2px 12px rgba(0,0,0,0.08);
  --ombre-md: 0 6px 30px rgba(0,0,0,0.12);
  --ombre-lg: 0 16px 60px rgba(0,0,0,0.16);

  --transition: 0.3s ease;
  --font: 'DM Sans', sans-serif;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  color: var(--texte);
  background: var(--blanc);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Typographie ── */
h1, h2, h3, h4 {
  font-family: var(--font);
  font-weight: 700;
  line-height: 1.2;
  color: var(--noir);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.1rem; font-weight: 600; }
p  { font-size: 1rem; color: var(--gris-texte); line-height: 1.75; }

.label-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--or);
  margin-bottom: 0.75rem;
}

/* ── Layout ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section-header p { font-size: 1.05rem; margin-top: 1rem; }

/* ── Boutons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--noir);
  color: var(--blanc);
  border-color: var(--noir);
}
.btn-primary:hover {
  background: var(--noir-doux);
  transform: translateY(-2px);
  box-shadow: var(--ombre-md);
}

.btn-or {
  background: var(--or);
  color: var(--blanc);
  border-color: var(--or);
}
.btn-or:hover {
  background: var(--or-clair);
  border-color: var(--or-clair);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(184,146,42,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--noir);
  border-color: var(--noir);
}
.btn-outline:hover {
  background: var(--noir);
  color: var(--blanc);
  transform: translateY(-2px);
}

.btn-outline-blanc {
  background: transparent;
  color: var(--blanc);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline-blanc:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--blanc);
}

.btn-lg {
  padding: 17px 36px;
  font-size: 1rem;
}

/* ── NAVIGATION ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: var(--transition);
  background: transparent;
}

.nav.scrolled {
  background: var(--blanc);
  box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 32px;
  max-width: 1300px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.nav-logo .logo-top {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--blanc);
  transition: var(--transition);
}
.nav-logo .logo-sub {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}
.nav.scrolled .logo-top { color: var(--noir); }
.nav.scrolled .logo-sub { color: var(--gris-moyen); }

/* Page sans hero sombre */
.nav-light .logo-top { color: var(--noir); }
.nav-light .logo-sub { color: var(--gris-moyen); }
.nav-light { background: var(--blanc); box-shadow: 0 2px 20px rgba(0,0,0,0.08); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 6px;
  color: rgba(255,255,255,0.85);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--blanc); background: rgba(255,255,255,0.1); }
.nav.scrolled .nav-links a { color: var(--texte); }
.nav.scrolled .nav-links a:hover { background: var(--gris-clair); color: var(--noir); }
.nav-light .nav-links a { color: var(--texte); }
.nav-light .nav-links a:hover { background: var(--gris-clair); color: var(--noir); }

.nav-links a.active,
.nav.scrolled .nav-links a.active {
  color: var(--or);
  font-weight: 600;
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}
.nav-dropdown > a {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-dropdown > a::after {
  content: '';
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  transition: var(--transition);
}
.nav-dropdown:hover > a::after { transform: rotate(180deg); }

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 230px;
  background: var(--blanc);
  border-radius: var(--radius-md);
  box-shadow: var(--ombre-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
  border: 1px solid var(--gris-clair);
}
.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu a {
  display: flex !important;
  align-items: center;
  gap: 10px;
  padding: 10px 14px !important;
  border-radius: 8px;
  color: var(--texte) !important;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  background: transparent !important;
}
.dropdown-menu a:hover { background: var(--gris-clair) !important; color: var(--noir) !important; }
.dropdown-menu a .dm-icon { font-size: 1rem; width: 20px; text-align: center; }

.nav-cta { margin-left: 8px; }
.nav-cta .btn { padding: 10px 22px; font-size: 0.875rem; }

/* Burger mobile */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.nav-burger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--blanc);
  transition: var(--transition);
  border-radius: 2px;
}
.nav.scrolled .nav-burger span,
.nav-light .nav-burger span { background: var(--noir); }

/* Mobile nav overlay */
.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--blanc);
  z-index: 999;
  padding: 100px 32px 32px;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  display: block;
  font-size: 1.1rem;
  font-weight: 600;
  padding: 14px 0;
  border-bottom: 1px solid var(--gris-clair);
  color: var(--texte);
}
.nav-mobile a:hover { color: var(--or); }
.nav-mobile-sub { padding-left: 16px; }
.nav-mobile-sub a { font-size: 0.95rem; font-weight: 400; }
.nav-mobile-cta { margin-top: 24px; }
.nav-mobile-close {
  position: fixed;
  top: 20px; right: 24px;
  background: none; border: none;
  font-size: 1.8rem; cursor: pointer;
  color: var(--texte); z-index: 1001;
}

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--noir);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.4;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 120px 0 80px;
  width: 100%;
}

.hero-inner {
  max-width: 760px;
}

.hero h1 { color: var(--blanc); margin-bottom: 1.25rem; }

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.8);
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

/* Hero page interne (plus petit) */
.hero-sm {
  min-height: 42vh;
  padding: 40px 0;
}
.hero-sm .hero-content { padding: 100px 0 60px; }
.hero-sm h1 { font-size: clamp(1.8rem, 4vw, 3rem); }
.hero-sm .hero-subtitle { font-size: 1rem; margin-bottom: 0; }

/* ── STATS BAR ── */
.stats-bar {
  background: var(--noir);
  padding: 28px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-item {
  text-align: center;
  padding: 16px 20px;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--or-clair);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── CARDS ── */
.card {
  background: var(--blanc);
  border-radius: var(--radius-md);
  border: 1px solid var(--gris-clair);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ombre-md);
  border-color: rgba(184,146,42,0.2);
}

.card-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  background: var(--or-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
  flex-shrink: 0;
}

/* ── GRILLES ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ── SECTION ALTERNÉE (texte + image) ── */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.split-section.reverse { direction: rtl; }
.split-section.reverse > * { direction: ltr; }

.split-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}
.split-image img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.split-badge {
  position: absolute;
  bottom: 24px; left: 24px;
  background: var(--noir);
  color: var(--blanc);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  text-align: center;
}
.split-badge strong { display: block; font-size: 2rem; color: var(--or-clair); line-height: 1; }
.split-badge span   { font-size: 0.75rem; opacity: 0.7; text-transform: uppercase; letter-spacing: 0.05em; }

.split-content h2 { margin-bottom: 1rem; }
.split-content p  { margin-bottom: 1.5rem; }
.split-content .label-tag { display: block; margin-bottom: 0.5rem; }

/* Checklist */
.checklist { margin: 1.5rem 0; display: flex; flex-direction: column; gap: 10px; }
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--texte);
  line-height: 1.5;
}
.checklist li::before {
  content: '';
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--or-pale);
  border: 2px solid var(--or);
  flex-shrink: 0;
  margin-top: 2px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6l3 3 5-5' stroke='%23B8922A' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px;
}

/* ── SECTION FOND SOMBRE ── */
.section-dark {
  background: var(--noir);
  color: var(--blanc);
}
.section-dark h2 { color: var(--blanc); }
.section-dark p  { color: rgba(255,255,255,0.7); }
.section-dark .label-tag { color: var(--or-clair); }

/* ── TÉMOIGNAGES ── */
.testimonial-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 36px;
}
.testimonial-stars { font-size: 1rem; color: var(--or-clair); margin-bottom: 1rem; letter-spacing: 2px; }
.testimonial-text { font-size: 1rem; color: rgba(255,255,255,0.85); line-height: 1.8; margin-bottom: 1.5rem; font-style: italic; }
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gris-moyen);
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--blanc);
  background: var(--or);
}
.testimonial-name { font-weight: 600; color: var(--blanc); font-size: 0.9rem; }
.testimonial-role { font-size: 0.8rem; color: rgba(255,255,255,0.5); }

/* ── CTA BANNER ── */
.cta-banner {
  background: linear-gradient(135deg, var(--noir) 0%, #2a2a2a 100%);
  border-radius: var(--radius-lg);
  padding: 60px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 240px; height: 240px;
  border-radius: 50%;
  background: rgba(184,146,42,0.12);
  pointer-events: none;
}
.cta-banner h2 { color: var(--blanc); margin-bottom: 1rem; }
.cta-banner p  { color: rgba(255,255,255,0.7); margin-bottom: 2rem; }

/* ── PROCESS STEPS ── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
}
.steps-grid::before {
  content: '';
  position: absolute;
  top: 32px; left: calc(16.66% + 16px);
  right: calc(16.66% + 16px);
  height: 1px;
  background: linear-gradient(90deg, var(--or) 0%, var(--or) 50%, var(--or) 100%);
  opacity: 0.3;
}
.step-item { text-align: center; padding: 0 24px; }
.step-number {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--or-pale);
  border: 2px solid var(--or);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--or);
  margin: 0 auto 1.25rem;
  position: relative;
  z-index: 1;
}
.step-title { font-weight: 600; margin-bottom: 0.5rem; }
.step-desc { font-size: 0.9rem; color: var(--gris-texte); }

/* ── GALERIE RÉALISATIONS ── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.05); }
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 20px;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span {
  color: var(--blanc);
  font-weight: 600;
  font-size: 0.9rem;
}

/* Projet card */
.projet-card {
  background: var(--blanc);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gris-clair);
  transition: var(--transition);
}
.projet-card:hover { transform: translateY(-4px); box-shadow: var(--ombre-md); }
.projet-card-img {
  width: 100%; aspect-ratio: 16/10;
  overflow: hidden;
}
.projet-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.projet-card:hover .projet-card-img img { transform: scale(1.04); }
.projet-card-body {
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.projet-card-body h3 { font-size: 1.05rem; margin-bottom: 4px; }
.projet-card-body p { font-size: 0.875rem; }

/* ── FORMULAIRES ── */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--texte);
  margin-bottom: 8px;
}
.form-label .req { color: var(--or); }

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid #E0DDD9;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--texte);
  background: var(--blanc);
  transition: var(--transition);
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--or);
  box-shadow: 0 0 0 3px rgba(184,146,42,0.1);
}
.form-textarea { resize: vertical; min-height: 140px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Sélect type de travaux */
.form-select { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23555' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 12px; padding-right: 40px; }

.form-hint { font-size: 0.8rem; color: var(--gris-moyen); margin-top: 6px; }

/* ── SECTION FOND CRÈME ── */
.section-creme { background: var(--creme); }
.section-gris  { background: var(--gris-clair); }

/* ── TAGS/LABELS ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
}
.badge-or { background: var(--or-pale); color: var(--or); }
.badge-noir { background: var(--noir); color: var(--blanc); }

/* ── ZONE D'INTERVENTION ── */
.zone-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.zone-item {
  background: var(--blanc);
  border: 1px solid var(--gris-clair);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--texte);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.zone-item:hover { border-color: var(--or); background: var(--or-pale); color: var(--noir); }
.zone-item::before { content: '📍'; font-size: 0.8rem; }

/* ── FAQ ACCORDION ── */
.faq-item {
  border-bottom: 1px solid var(--gris-clair);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  background: none;
  border: none;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  color: var(--texte);
  cursor: pointer;
  text-align: left;
  gap: 16px;
  transition: var(--transition);
}
.faq-question:hover { color: var(--or); }
.faq-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1.5px solid currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
  transition: var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--or); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer p { padding-bottom: 20px; font-size: 0.95rem; }
.faq-item.open .faq-answer { max-height: 300px; }

/* ── FOOTER ── */
.footer {
  background: var(--noir);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-logo .logo-top { color: var(--blanc); font-size: 1.25rem; font-weight: 800; letter-spacing: 0.05em; }
.footer-logo .logo-sub { color: rgba(255,255,255,0.4); font-size: 0.6rem; letter-spacing: 0.25em; text-transform: uppercase; }
.footer-desc { font-size: 0.875rem; line-height: 1.7; margin-top: 12px; color: rgba(255,255,255,0.5); }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 0.9rem;
}
.footer-social a:hover { background: var(--or); }

.footer h4 { color: var(--blanc); font-size: 0.875rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 20px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.875rem; color: rgba(255,255,255,0.55); transition: var(--transition); }
.footer-links a:hover { color: var(--or-clair); }

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  margin-bottom: 12px;
  color: rgba(255,255,255,0.6);
}
.footer-contact-item a { color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-contact-item a:hover { color: var(--or-clair); }
.footer-contact-icon {
  width: 32px; height: 32px;
  border-radius: 6px;
  background: rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.9rem;
}

.footer-newsletter .form-input {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.12);
  color: var(--blanc);
}
.footer-newsletter .form-input::placeholder { color: rgba(255,255,255,0.3); }
.footer-newsletter .form-input:focus { border-color: var(--or); }
.footer-newsletter .btn { width: 100%; margin-top: 8px; justify-content: center; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.3); }
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { font-size: 0.8rem; color: rgba(255,255,255,0.3); transition: var(--transition); }
.footer-bottom-links a:hover { color: rgba(255,255,255,0.6); }

/* ── BREADCRUMB ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.825rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 1.25rem;
}
.breadcrumb a { color: rgba(255,255,255,0.6); transition: var(--transition); }
.breadcrumb a:hover { color: var(--blanc); }
.breadcrumb span { opacity: 0.4; }

/* ── UTILS ── */
.text-center { text-align: center; }
.text-or  { color: var(--or); }
.fw-700   { font-weight: 700; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.gap-16 { gap: 16px; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

/* ── ANIMATIONS ── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .split-section { grid-template-columns: 1fr; gap: 40px; }
  .split-section.reverse { direction: ltr; }
}

@media (max-width: 768px) {
  section { padding: 64px 0; }
  .container { padding: 0 20px; }

  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }

  .hero { min-height: 80vh; }
  .hero-inner { max-width: 100%; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 32px; }
  .steps-grid::before { display: none; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .zone-grid { grid-template-columns: repeat(2, 1fr); }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .cta-banner { padding: 40px 24px; }
  .section-header { margin-bottom: 40px; }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .zone-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  h1 { font-size: 1.75rem; }
}

/* ═══════════════════════════════════════════
   UNIVERS XPERTISE — Bandeau inter-sites
═══════════════════════════════════════════ */
.univers-xpertise-band {
  background: var(--blanc);
  border-top: 1px solid var(--gris-clair);
  border-bottom: 1px solid var(--gris-clair);
  padding: 20px 0;
}
.univers-xpertise-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.univers-xpertise-inner .univers-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #e05a00;
  margin-bottom: 4px;
}
.univers-xpertise-inner p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--gris-texte);
  max-width: 600px;
}
.btn-univers-xpertise {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 2px solid #e05a00;
  color: #e05a00;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
  flex-shrink: 0;
}
.btn-univers-xpertise:hover {
  background: #e05a00;
  color: var(--blanc);
}
.univers-x {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: #e05a00;
  color: var(--blanc);
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 800;
}
.btn-univers-xpertise:hover .univers-x {
  background: var(--blanc);
  color: #e05a00;
}
@media (max-width: 768px) {
  .univers-xpertise-inner { flex-direction: column; align-items: flex-start; }
  .btn-univers-xpertise { width: 100%; justify-content: center; }
}