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

:root {
  --dark: #0f1923;
  --dark-nav: #111a26;
  --green: #2d5016;
  --green-light: #3d6b24;
  --sage: #8B9E6B;
  --gold: #C9982E;
  --gold-light: #DBAE42;
  --orange: #C48512;
  --white: #ffffff;
  --off-white: #fafbfc;
  --gray-50: #f7f8f9;
  --gray-100: #f0f1f3;
  --gray-200: #e2e4e8;
  --gray-300: #cdd0d5;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.1);
  --radius: 16px;
  --radius-lg: 24px;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ========== NAVBAR ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(17, 26, 38, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.4s, box-shadow 0.4s;
}

.navbar.scrolled {
  background: rgba(17, 26, 38, 0.97);
  box-shadow: 0 4px 30px rgba(0,0,0,0.25);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.logo-icon svg { display: block; }
.logo-icon circle { stroke: var(--green-light); }
.logo-icon path { stroke: var(--green-light); }

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 1.5px;
}

.logo-accent { color: var(--gold); }

.logo-subtitle {
  font-size: 0.68rem;
  color: rgba(139, 158, 107, 0.8);
  font-style: italic;
  letter-spacing: 0.5px;
  margin-top: 1px;
}

.nav-links {
  display: flex;
  gap: 36px;
}

.nav-link {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
  letter-spacing: 0.2px;
}

.nav-link:hover { color: var(--white); }

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1.5px;
  background: var(--gold);
  transition: width 0.3s;
}

.nav-link:hover::after { width: 100%; }

.btn-devis {
  background: var(--green);
  color: var(--white);
  padding: 10px 26px;
  border-radius: 50px;
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: all 0.3s;
  border: 1px solid rgba(255,255,255,0.08);
}

.btn-devis:hover {
  background: var(--green-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(45, 80, 22, 0.3);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 22px;
  height: 1.5px;
  background: var(--white);
  border-radius: 2px;
  transition: 0.3s;
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: url('hero-bg.jpg') center center / cover no-repeat;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(8, 16, 28, 0.55) 0%, rgba(8, 20, 28, 0.5) 40%, rgba(5, 12, 20, 0.82) 100%);
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center 70%, transparent 30%, rgba(5,10,18,0.3) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
  padding: 140px 32px 100px;
}

.hero-badge {
  display: inline-block;
  padding: 8px 28px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  margin-bottom: 28px;
  letter-spacing: 1px;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
  background: rgba(255,255,255,0.04);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 14px;
  font-style: italic;
}

.text-gold { color: var(--gold); }
.text-sage { color: var(--sage); }

.hero-subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.05rem, 2vw, 1.4rem);
  color: rgba(255,255,255,0.55);
  margin-bottom: 28px;
  letter-spacing: 0.5px;
}

.hero-desc {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.55);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.75;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 72px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 34px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
  letter-spacing: 0.2px;
}

.btn-primary {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 2px 12px rgba(45, 80, 22, 0.2);
}

.btn-primary:hover {
  background: var(--green-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(45, 80, 22, 0.35);
}

.btn-outline {
  background: rgba(255,255,255,0.06);
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.12);
}

.btn-outline-dark {
  background: transparent;
  color: var(--gray-700);
  border: 1.5px solid var(--gray-200);
}

.btn-outline-dark:hover {
  border-color: var(--green);
  color: var(--green);
  background: rgba(45, 80, 22, 0.03);
}

.btn-orange {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 2px 12px rgba(196, 133, 18, 0.2);
}

.btn-orange:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(196, 133, 18, 0.3);
}

.btn-outline-white {
  background: rgba(255,255,255,0.06);
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.3);
}

.btn-outline-white:hover {
  border-color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.12);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 72px;
  flex-wrap: wrap;
}

.stat { text-align: center; }

.stat-number {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--white);
  font-style: italic;
}

.stat-suffix {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--white);
  font-style: italic;
}

.stat-label {
  display: block;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
  margin-top: 6px;
  letter-spacing: 0.3px;
}

/* ========== SECTIONS COMMON ========== */
.section-badge {
  display: inline-block;
  padding: 7px 22px;
  border: 1.5px solid rgba(45, 80, 22, 0.25);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--green);
  margin-bottom: 24px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  background: rgba(45, 80, 22, 0.04);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 18px;
  line-height: 1.2;
}

.section-desc {
  font-size: 1rem;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto 56px;
  line-height: 1.75;
}

/* ========== CONSTAT ========== */
.constat {
  padding: 120px 0;
  text-align: center;
  background: var(--gray-50);
}

.constat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.constat-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: left;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-top: 3px solid var(--orange);
  position: relative;
}

.constat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.card-icon {
  width: 56px;
  height: 56px;
  background: rgba(45, 80, 22, 0.06);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.card-icon--warning {
  background: rgba(196, 133, 18, 0.07);
}

.constat-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--gray-800);
}

.constat-card p {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.65;
}

/* ========== EXPERTISE ========== */
.expertise {
  padding: 120px 0;
  text-align: center;
  background: var(--white);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.expertise-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 40px 36px;
  text-align: left;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.expertise-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.expertise-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--gray-800);
}

.expertise-card > p {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.65;
  margin-bottom: 18px;
}

.card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card-list li {
  font-size: 0.84rem;
  color: var(--gray-500);
  padding-left: 22px;
  position: relative;
}

.card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
}

/* ========== VISION ========== */
.vision {
  position: relative;
  padding: 88px 32px;
  text-align: center;
  background: var(--dark);
  overflow: hidden;
}

.vision::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(45, 80, 22, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(201, 152, 46, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.vision-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}

.vision-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--white);
  font-style: italic;
  margin-bottom: 16px;
  line-height: 1.3;
}

.vision-subtitle {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
}

/* ========== INTERVENTIONS (Pricing) ========== */
.interventions {
  padding: 120px 0;
  text-align: center;
  background: var(--gray-50);
}

.interventions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 880px;
  margin: 0 auto;
}

.intervention-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  text-align: left;
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.intervention-card--featured {
  border-color: var(--green);
  background: linear-gradient(180deg, var(--white) 0%, rgba(45, 80, 22, 0.02) 100%);
  box-shadow: 0 8px 32px rgba(45, 80, 22, 0.1);
}

.intervention-badge {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  background: var(--gray-100);
  color: var(--gray-500);
  margin-bottom: 20px;
}

.intervention-badge--gold {
  background: rgba(201, 152, 46, 0.1);
  color: var(--orange);
}

.intervention-card h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.intervention-subtitle {
  font-size: 0.88rem;
  color: var(--gray-400);
  margin-bottom: 24px;
}

.intervention-price { margin-bottom: 4px; }

.price {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--gray-800);
}

.price-unit {
  font-size: 0.95rem;
  color: var(--gray-500);
  margin-left: 4px;
}

.intervention-option {
  font-size: 0.78rem;
  color: var(--gray-400);
  margin-bottom: 28px;
}

.intervention-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-100);
}

.intervention-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--gray-600);
  line-height: 1.45;
}

.intervention-list li svg {
  flex-shrink: 0;
  margin-top: 2px;
}

/* ========== BÉNÉFICES ========== */
.benefices {
  padding: 120px 0;
  text-align: center;
  background: var(--white);
}

.benefices-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.benefice-item {
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius);
  transition: all 0.35s;
  border: 1px solid transparent;
}

.benefice-item:hover {
  transform: translateY(-4px);
  background: var(--gray-50);
  border-color: var(--gray-200);
}

.benefice-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: var(--gray-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-100);
}

.benefice-item h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 10px;
  color: var(--gray-800);
}

.benefice-item p {
  font-size: 0.84rem;
  color: var(--gray-500);
  line-height: 1.55;
}

/* ========== CHANTIERS ========== */
.chantiers {
  padding: 120px 0;
  text-align: center;
  background: var(--gray-50);
}

.chantiers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
}

.chantier-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  height: 280px;
  cursor: pointer;
}

.chantier-card--large {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
  height: 100%;
}

.chantier-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.chantier-card:hover img {
  transform: scale(1.08);
}

.chantier-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.88) 0%, rgba(0,0,0,0.15) 55%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  transition: background 0.4s;
}

.chantier-card:hover .chantier-overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.92) 0%, rgba(0,0,0,0.4) 60%, rgba(0,0,0,0.08) 100%);
}

.chantier-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(45, 80, 22, 0.85);
  color: white;
  border-radius: 50px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 10px;
  width: fit-content;
  backdrop-filter: blur(4px);
}

.chantier-overlay h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: white;
  margin-bottom: 8px;
}

.chantier-overlay p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.55;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s, transform 0.4s;
}

.chantier-card:hover .chantier-overlay p {
  opacity: 1;
  transform: translateY(0);
}

.chantier-card[data-gallery]::after {
  content: '';
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(8px);
  border-radius: 50%;
  z-index: 3;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Crect x='3' y='3' width='7' height='7'/%3E%3Crect x='14' y='3' width='7' height='7'/%3E%3Crect x='3' y='14' width='7' height='7'/%3E%3Crect x='14' y='14' width='7' height='7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.3s, transform 0.3s;
}

.chantier-card[data-gallery]:hover::after {
  opacity: 1;
  transform: scale(1);
}

/* ========== LIGHTBOX ========== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(8, 12, 20, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.4s;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.8);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.6rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  z-index: 10;
}

.lightbox-close:hover {
  background: rgba(255,255,255,0.15);
  color: var(--white);
  transform: scale(1.05);
}

.lightbox-content {
  width: 90%;
  max-width: 960px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.lightbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0 8px;
}

.lightbox-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--white);
  font-weight: 600;
}

.lightbox-counter {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 1px;
  font-weight: 500;
}

.lightbox-main {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img {
  width: 100%;
  max-height: 65vh;
  object-fit: contain;
  border-radius: var(--radius);
  opacity: 0;
  transform: scale(0.97);
  transition: opacity 0.35s, transform 0.35s;
}

.lightbox-img.loaded {
  opacity: 1;
  transform: scale(1);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.75);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  z-index: 5;
}

.lightbox-nav:hover {
  background: rgba(255,255,255,0.15);
  color: var(--white);
  transform: translateY(-50%) scale(1.08);
}

.lightbox-prev { left: -60px; }
.lightbox-next { right: -60px; }

.lightbox-thumbs {
  display: flex;
  gap: 10px;
  justify-content: center;
  padding: 8px 0;
}

.lightbox-thumb {
  width: 64px;
  height: 48px;
  object-fit: cover;
  border-radius: 8px;
  cursor: pointer;
  border: 2px solid transparent;
  opacity: 0.45;
  transition: all 0.3s;
}

.lightbox-thumb:hover {
  opacity: 0.8;
}

.lightbox-thumb.active {
  border-color: var(--gold);
  opacity: 1;
}

@media (max-width: 1100px) {
  .lightbox-prev { left: 12px; }
  .lightbox-next { right: 12px; }
  .lightbox-nav {
    background: rgba(0,0,0,0.5);
    border-color: rgba(255,255,255,0.15);
  }
}

@media (max-width: 768px) {
  .lightbox-content { width: 96%; gap: 14px; }
  .lightbox-img { max-height: 50vh; }
  .lightbox-nav { width: 40px; height: 40px; }
  .lightbox-thumb { width: 48px; height: 36px; }
  .lightbox-close { top: 16px; right: 16px; width: 40px; height: 40px; font-size: 1.3rem; }
  .lightbox-title { font-size: 1rem; }
}

/* ========== AVIS ========== */
.avis {
  padding: 120px 0;
  text-align: center;
  background: var(--white);
}

.avis-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.avis-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 36px 32px 32px;
  text-align: left;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.avis-card::before {
  content: '\201C';
  position: absolute;
  top: 20px;
  right: 28px;
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 1;
  color: var(--gray-100);
  pointer-events: none;
}

.avis-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.avis-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 20px;
}

.avis-text {
  font-size: 0.88rem;
  color: var(--gray-600);
  line-height: 1.75;
  font-style: italic;
  margin-bottom: 28px;
  position: relative;
}

.avis-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--gray-100);
}

img.avis-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--gray-100);
}

.avis-author strong {
  display: block;
  font-size: 0.88rem;
  color: var(--gray-800);
  font-weight: 600;
}

.avis-author span {
  font-size: 0.73rem;
  color: var(--gray-400);
  line-height: 1.4;
}

/* ========== CTA ========== */
.cta {
  position: relative;
  padding: 100px 32px;
  text-align: center;
  background: var(--dark);
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 100%, rgba(45, 80, 22, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 0%, rgba(201, 152, 46, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 620px;
  margin: 0 auto;
}

.cta h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  color: var(--white);
  margin-bottom: 18px;
  line-height: 1.3;
}

.cta p {
  color: rgba(255,255,255,0.55);
  margin-bottom: 36px;
  font-size: 0.95rem;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== CONTACT ========== */
.contact {
  padding: 120px 0;
  background: var(--white);
  text-align: center;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 56px;
  text-align: left;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 8px;
}

.contact-intro {
  font-size: 0.92rem;
  color: var(--gray-500);
  line-height: 1.65;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-100);
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: rgba(45, 80, 22, 0.05);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--gray-100);
}

.contact-item h4 {
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--gray-800);
}

.contact-item p {
  font-size: 0.84rem;
  color: var(--gray-500);
  line-height: 1.5;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  padding: 15px 20px;
  border: 1.5px solid var(--gray-200);
  border-radius: 14px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--gray-800);
  background: var(--white);
  transition: all 0.3s;
  outline: none;
  width: 100%;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(45, 80, 22, 0.06);
}

.contact-form textarea { resize: vertical; }

/* ========== FOOTER ========== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.6);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand p {
  font-size: 0.82rem;
  margin-top: 18px;
  line-height: 1.65;
  color: rgba(255,255,255,0.4);
}

.footer-links h4 {
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
  margin-bottom: 18px;
  font-weight: 600;
}

.footer-links a {
  display: block;
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  font-size: 0.82rem;
  padding: 5px 0;
  transition: color 0.3s;
}

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

.footer-bottom {
  text-align: center;
  padding: 28px 0;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.3px;
}

/* ========== ANIMATIONS ========== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .expertise-grid {
    grid-template-columns: 1fr 1fr;
  }

  .benefices-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .chantiers-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .chantier-card--large {
    grid-column: 1 / -1;
    grid-row: auto;
    height: 320px;
  }

  .avis-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

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

  .nav-links {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: rgba(17, 26, 38, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-top: 1px solid rgba(255,255,255,0.06);
  }

  .nav-links.active { display: flex; }
  .nav-toggle { display: flex; }
  .btn-devis { display: none; }

  .hero-stats { gap: 32px; }
  .stat-number, .stat-suffix { font-size: 2.2rem; }

  .constat-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .expertise-grid { grid-template-columns: 1fr; }

  .interventions-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }

  .benefices-grid { grid-template-columns: 1fr 1fr; }

  .chantiers-grid { grid-template-columns: 1fr; }
  .chantier-card--large { height: 280px; }
  .chantier-card .chantier-overlay p { opacity: 1; transform: translateY(0); }

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

  .footer-grid { grid-template-columns: 1fr; text-align: center; }

  .cta-buttons,
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .benefices-grid { grid-template-columns: 1fr; }
}