/* ============================================================
   ELITE CONSTRUCTION — CSS GLOBAL PREMIUM
   Palette : Blanc #FFFFFF | Anthracite #1C1C1C / #2D2D2D
              Doré-Moutarde #C9A84C / #B8960C | Gris clair #F5F5F5
   ============================================================ */

/* ---------- RESET & BASE ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --gold:        #C9A84C;
  --gold-light:  #E2C47A;
  --gold-dark:   #A8862A;
  --anthracite:  #1C1C1C;
  --anthracite2: #2D2D2D;
  --anthracite3: #3D3D3D;
  --white:       #FFFFFF;
  --off-white:   #F7F5F0;
  --light-grey:  #F2F2F2;
  --mid-grey:    #9A9A9A;
  --dark-grey:   #555555;
  --font-title:  'Montserrat', sans-serif;
  --font-body:   'Open Sans', sans-serif;
  --radius:      4px;
  --radius-lg:   8px;
  --shadow:      0 4px 24px rgba(0,0,0,0.12);
  --shadow-lg:   0 8px 40px rgba(0,0,0,0.18);
  --transition:  all 0.3s ease;
  --nav-height:  80px;
}

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

body {
  font-family: var(--font-body);
  color: var(--anthracite);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-title);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.2rem; }
p  { font-size: 1rem; color: var(--dark-grey); line-height: 1.8; }

.section-label {
  display: inline-block;
  font-family: var(--font-title);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-gold {
  background: var(--gold);
  color: var(--anthracite);
  border-color: var(--gold);
}
.btn-gold:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(201,168,76,0.4);
}

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

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

.btn-dark {
  background: var(--anthracite);
  color: var(--white);
  border-color: var(--anthracite);
}
.btn-dark:hover {
  background: var(--anthracite2);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* ---------- LAYOUT ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: 6rem 0; }
.section-sm { padding: 4rem 0; }
.section-lg { padding: 8rem 0; }

.section-dark {
  background: var(--anthracite);
  color: var(--white);
}
.section-dark p { color: rgba(255,255,255,0.75); }
.section-dark h2, .section-dark h3 { color: var(--white); }

.section-grey { background: var(--off-white); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: var(--transition);
  padding: 0 2rem;
}

.navbar.transparent {
  background: transparent;
}

.navbar.scrolled {
  background: rgba(28, 28, 28, 0.97);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
  backdrop-filter: blur(10px);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.navbar-logo img {
  height: 52px;
  width: auto;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .navbar-logo img {
    height: 40px;
  }
}

.navbar-logo .logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.navbar-logo .logo-name {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--white);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.navbar-logo .logo-sub {
  font-family: var(--font-title);
  font-weight: 400;
  font-size: 0.6rem;
  color: var(--gold);
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.navbar-nav a {
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  transition: color 0.2s;
  position: relative;
}

.navbar-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width 0.3s;
}

.navbar-nav a:hover::after,
.navbar-nav a.active::after { width: 100%; }
.navbar-nav a:hover, .navbar-nav a.active { color: var(--gold); }

.navbar-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.navbar-phone {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  transition: color 0.2s;
}
.navbar-phone:hover { color: var(--gold); }
.navbar-phone i { color: var(--gold); font-size: 0.9rem; }

/* Mobile menu toggle */
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  background: none;
  border: none;
}
.navbar-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
  border-radius: 2px;
}
.navbar-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar-toggle.active span:nth-child(2) { opacity: 0; }
.navbar-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--anthracite);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=1920&q=80');
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 8s ease;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(28,28,28,0.88) 0%,
    rgba(28,28,28,0.60) 60%,
    rgba(28,28,28,0.45) 100%
  );
}

.hero.loaded .hero-bg { transform: scale(1); }

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  padding-top: var(--nav-height);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(201,168,76,0.15);
  border: 1px solid rgba(201,168,76,0.4);
  color: var(--gold);
  font-family: var(--font-title);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  display: block;
}

.hero h1 {
  color: var(--white);
  max-width: 720px;
  margin-bottom: 1rem;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero h1 span { color: var(--gold); }

.hero-slogan {
  font-family: var(--font-title);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 400;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-slogan strong { color: var(--gold); font-weight: 700; }

.hero-desc {
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  color: rgba(255,255,255,0.75);
  max-width: 520px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 3rem;
  max-width: 500px;
}

.hero-stat-item {}

.hero-stat-number {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.5);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

.hero-scroll i { font-size: 1.2rem; color: var(--gold); }

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ---------- RÉASSURANCE BAR ---------- */
.reassurance-bar {
  background: var(--anthracite2);
  padding: 1.8rem 0;
  border-bottom: 1px solid rgba(201,168,76,0.2);
}

.reassurance-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.reassurance-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--white);
}

.reassurance-item i {
  font-size: 1.3rem;
  color: var(--gold);
  width: 1.5rem;
  text-align: center;
}

.reassurance-item span {
  font-family: var(--font-title);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.reassurance-sep {
  width: 1px;
  height: 30px;
  background: rgba(255,255,255,0.1);
}

/* ---------- SECTION HEADING ---------- */
.section-heading { margin-bottom: 3.5rem; }
.section-heading.centered { text-align: center; }
.section-heading.centered .gold-line { margin: 0 auto; }

.gold-line {
  display: block;
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  margin-top: 1rem;
  border-radius: 2px;
}

/* ---------- CARDS ---------- */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.card-img {
  overflow: hidden;
  height: 220px;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card:hover .card-img img { transform: scale(1.06); }

.card-body { padding: 1.5rem; }

/* ---------- ACTIVITÉ CARD ---------- */
.activity-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  cursor: pointer;
  height: 320px;
  display: flex;
  align-items: flex-end;
}

.activity-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}

.activity-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(28,28,28,0.9) 0%, rgba(28,28,28,0.2) 60%, transparent 100%);
  z-index: 1;
  transition: opacity 0.3s;
}

.activity-card:hover::before {
  background: linear-gradient(to top, rgba(28,28,28,0.95) 0%, rgba(28,28,28,0.5) 70%, rgba(28,28,28,0.2) 100%);
}

.activity-card:hover .activity-card-bg { transform: scale(1.06); }

.activity-card-content {
  position: relative;
  z-index: 2;
  padding: 1.5rem;
  width: 100%;
}

.activity-card-icon {
  width: 46px;
  height: 46px;
  background: var(--gold);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  transition: var(--transition);
}

.activity-card-icon i { font-size: 1.1rem; color: var(--anthracite); }
.activity-card:hover .activity-card-icon { background: var(--gold-light); }

.activity-card h3 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.activity-card p {
  color: rgba(255,255,255,0.0);
  font-size: 0.85rem;
  line-height: 1.5;
  max-height: 0;
  overflow: hidden;
  transition: all 0.4s ease;
}

.activity-card:hover p {
  color: rgba(255,255,255,0.8);
  max-height: 100px;
  margin-top: 0.5rem;
}

.activity-card-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--gold);
  font-family: var(--font-title);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.75rem;
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.3s ease 0.1s;
}

.activity-card:hover .activity-card-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- RÉALISATIONS ---------- */
.realisation-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 300px 300px;
  gap: 0.75rem;
}

.realisation-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: pointer;
}

.realisation-item:first-child {
  grid-row: 1 / 3;
}

.realisation-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.realisation-item:hover img { transform: scale(1.06); }

.realisation-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(28,28,28,0.85) 0%, transparent 50%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  opacity: 0;
  transition: opacity 0.3s;
}

.realisation-item:hover .realisation-overlay { opacity: 1; }

.realisation-overlay h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.realisation-overlay span {
  color: var(--gold);
  font-size: 0.75rem;
  font-family: var(--font-title);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---------- CHIFFRES CLÉS ---------- */
.counter-box {
  text-align: center;
  padding: 2rem;
}

.counter-number {
  font-family: var(--font-title);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  display: block;
}

.counter-label {
  font-family: var(--font-title);
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: block;
  margin-top: 0.5rem;
}

/* ---------- PROCESS / ÉTAPES ---------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 2.5rem;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  z-index: 0;
}

.process-step { text-align: center; position: relative; z-index: 1; }

.step-number {
  width: 54px;
  height: 54px;
  background: var(--gold);
  color: var(--anthracite);
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  border: 4px solid var(--anthracite);
}

.process-step h4 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--white);
}

.process-step p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
}

/* ---------- BLOG CARDS ---------- */
.blog-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.blog-card-img {
  height: 200px;
  overflow: hidden;
}

.blog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.blog-card:hover .blog-card-img img { transform: scale(1.05); }

.blog-card-body { padding: 1.5rem; }

.blog-card-cat {
  display: inline-block;
  background: rgba(201,168,76,0.1);
  color: var(--gold-dark);
  font-family: var(--font-title);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 0.75rem;
}

.blog-card-title {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  color: var(--anthracite);
  line-height: 1.4;
  margin-bottom: 0.6rem;
}

.blog-card-excerpt {
  font-size: 0.875rem;
  color: var(--dark-grey);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--light-grey);
  padding-top: 1rem;
  margin-top: 0.5rem;
}

.blog-card-date {
  font-size: 0.78rem;
  color: var(--mid-grey);
}

.blog-card-link {
  font-family: var(--font-title);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap 0.2s;
}
.blog-card-link:hover { gap: 0.6rem; }

/* ---------- TESTIMONIALS ---------- */
.testimonial {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
  position: relative;
}

.testimonial::before {
  content: '\201C';
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 5rem;
  color: var(--gold);
  opacity: 0.15;
  font-family: Georgia, serif;
  line-height: 1;
}

.stars {
  color: var(--gold);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.testimonial-text {
  font-style: italic;
  color: var(--dark-grey);
  margin-bottom: 1.25rem;
  line-height: 1.7;
  font-size: 0.95rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  background: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1rem;
  color: var(--anthracite);
  flex-shrink: 0;
}

.testimonial-name {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--anthracite);
}

.testimonial-loc {
  font-size: 0.78rem;
  color: var(--mid-grey);
}

/* ---------- CTA SECTION ---------- */
.cta-section {
  background: linear-gradient(135deg, var(--anthracite) 0%, var(--anthracite2) 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?w=800&q=80') center/cover no-repeat;
  opacity: 0.12;
}

.cta-section-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
}

/* ---------- FORM ---------- */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--anthracite);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid #E0E0E0;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--anthracite);
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  appearance: none;
}

.form-control:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.15);
}

.form-control.error { border-color: #E53E3E; }
.form-control.success { border-color: #38A169; }

textarea.form-control {
  resize: vertical;
  min-height: 140px;
}

select.form-control { cursor: pointer; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* ---------- FOOTER ---------- */
.footer {
  background: #111111;
  color: var(--white);
}

.footer-top {
  padding: 5rem 0 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
}

.footer-brand-name {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.footer-brand-sub {
  font-family: var(--font-title);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.footer-desc {
  color: rgba(255,255,255,0.55);
  font-size: 0.88rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--anthracite);
  transform: translateY(-3px);
}

.footer-heading {
  font-family: var(--font-title);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
}

.footer-links { display: flex; flex-direction: column; gap: 0.6rem; }

.footer-links a {
  color: rgba(255,255,255,0.55);
  font-size: 0.88rem;
  transition: color 0.2s, padding-left 0.2s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-links a:hover {
  color: var(--gold);
  padding-left: 4px;
}

.footer-links a::before {
  content: '→';
  font-size: 0.7rem;
  color: var(--gold);
  opacity: 0;
  transition: opacity 0.2s;
}

.footer-links a:hover::before { opacity: 1; }

.footer-contact-item {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  align-items: flex-start;
}

.footer-contact-icon {
  width: 32px;
  height: 32px;
  background: rgba(201,168,76,0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact-text {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}

.footer-contact-text strong {
  display: block;
  color: rgba(255,255,255,0.85);
  font-size: 0.8rem;
  margin-bottom: 2px;
}

.footer-bottom {
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  transition: color 0.2s;
}

.footer-bottom-links a:hover { color: var(--gold); }

.footer-copy {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
}

/* ---------- PAGE HERO (sous-pages) ---------- */
.page-hero {
  height: 45vh;
  min-height: 300px;
  max-height: 500px;
  display: flex;
  align-items: flex-end;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

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

.page-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(28,28,28,0.6) 0%, rgba(28,28,28,0.85) 100%);
}

.page-hero-content {
  position: relative;
  z-index: 1;
  padding: 0 2rem 3rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.breadcrumb a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { color: rgba(255,255,255,0.4); font-size: 0.8rem; }
.breadcrumb .current { color: var(--gold); font-size: 0.8rem; }

.page-hero h1 { color: var(--white); }

/* ---------- UTILS ---------- */
.text-gold { color: var(--gold); }
.text-white { color: var(--white); }
.text-center { text-align: center; }
.text-dark { color: var(--anthracite); }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.badge-gold {
  display: inline-block;
  background: var(--gold);
  color: var(--anthracite);
  font-family: var(--font-title);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
}

.divider {
  width: 50px;
  height: 3px;
  background: var(--gold);
  border-radius: 2px;
  margin: 1rem 0 2rem;
}

.divider.centered { margin: 1rem auto 2rem; }

/* ---------- AVANT/APRÈS ---------- */
.before-after-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  cursor: ew-resize;
  user-select: none;
}

.before-after-container img {
  display: block;
  width: 100%;
  object-fit: cover;
  height: 450px;
}

.before-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.before-layer img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.before-after-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gold);
  cursor: ew-resize;
  z-index: 3;
}

.before-after-handle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  background: var(--gold);
  border-radius: 50%;
  border: 3px solid white;
  box-shadow: var(--shadow);
}

.ba-label {
  position: absolute;
  top: 1rem;
  font-family: var(--font-title);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--anthracite);
  color: var(--white);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
}

.ba-label-before { left: 1rem; }
.ba-label-after { right: 1rem; }

/* ---------- TAG/FILTRE ---------- */
.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.filter-tag {
  padding: 0.4rem 1.1rem;
  border-radius: 100px;
  border: 1.5px solid #DDDDDD;
  font-family: var(--font-title);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
  background: transparent;
  color: var(--anthracite);
}

.filter-tag:hover,
.filter-tag.active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--anthracite);
}

/* ---------- ALERT / NOTIFICATIONS ---------- */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.alert-success {
  background: rgba(56, 161, 105, 0.1);
  border: 1.5px solid rgba(56, 161, 105, 0.3);
  color: #2F855A;
}

.alert-error {
  background: rgba(229, 62, 62, 0.1);
  border: 1.5px solid rgba(229, 62, 62, 0.3);
  color: #C53030;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1200px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .realisation-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .realisation-item:first-child { grid-row: auto; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-steps::before { display: none; }
}

@media (max-width: 992px) {
  .navbar-nav { display: none; }
  .navbar-toggle { display: flex; }
  .navbar-phone { display: none; }

  .navbar-nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(20,20,20,0.98);
    padding: 2rem;
    gap: 1.5rem;
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(201,168,76,0.2);
  }

  .navbar-nav.open a { font-size: 1rem; }

  .navbar-cta .btn { display: none; }

  .grid-2 { grid-template-columns: 1fr; gap: 2rem; }
  .grid-3 { grid-template-columns: 1fr; }
  .cta-section-inner { grid-template-columns: 1fr; }
  .realisation-grid { grid-template-columns: 1fr; }
  .realisation-item { height: 250px; }
}

@media (max-width: 768px) {
  .section { padding: 4rem 0; }
  .section-lg { padding: 5rem 0; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
  .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .form-grid { grid-template-columns: 1fr; }
  .reassurance-sep { display: none; }
  .reassurance-bar-inner { gap: 1rem; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr; gap: 1rem; }
  .process-steps { grid-template-columns: 1fr; }
}

/* ---------- ANIMATIONS ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in-left.visible { opacity: 1; transform: translateX(0); }

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in-right.visible { opacity: 1; transform: translateX(0); }

/* Délai d'animation */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--anthracite); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 3px; }