/* ==========================================================================
   LEC CAMEROUN SARL — DESIGN SYSTEM & FEUILLE DE STYLE PRINCIPALE
   Direction Artistique : Moderne, Premium, Épuré, Haute Ingénierie
   Palette : Vert Émeraude (#2ECC71), Bleu Nuit (#1A1A2E), Surface (#F7F9FC)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Syne:wght@700;800&display=swap');

/* ==========================================================
   1. VARIABLES & DESIGN TOKENS
   ========================================================== */
:root {
  /* Palette de Couleurs Obligatoire */
  --green: #2ECC71;
  --green-dark: #006d37;
  --green-dim: #00501f;
  --green-light: #e8fbf1;
  --green-glow: rgba(46, 204, 113, 0.28);
  --green-glow-strong: rgba(46, 204, 113, 0.45);

  --blue: #1A1A2E;
  --blue-dark: #0061a5;

  --navy: #1A1A2E;
  --navy-deep: #0e0e1a;
  --navy-surface: #151525;
  --navy-mid: #2a6fba;
  --navy-light: #3a7fd4;

  --white: #ffffff;

  --surface: #f7f9fc;
  --surface-low: #f2f4f7;
  --surface-dim: #e0e3e6;
  --surface-card: #ffffff;

  /* Typographie & Textes */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Syne', sans-serif;

  --text-main: #1A1A2E;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --text-inverse: #ffffff;
  --text-inverse-muted: #a0aec0;

  /* Bordures, Ombres & Rayons */
  --border-light: rgba(26, 26, 46, 0.08);
  --border-card: rgba(26, 26, 46, 0.06);
  --border-focus: var(--green);
  --border-glass: rgba(255, 255, 255, 0.12);

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 9999px;

  --shadow-subtle: 0 4px 20px rgba(26, 26, 46, 0.04);
  --shadow-card: 0 10px 30px -5px rgba(26, 26, 46, 0.07), 0 0 1px rgba(26, 26, 46, 0.1);
  --shadow-hover: 0 20px 40px -10px rgba(26, 26, 46, 0.12), 0 0 1px rgba(26, 26, 46, 0.15);
  --shadow-dark: 0 20px 40px rgba(0, 0, 0, 0.4);
  --shadow-btn: 0 8px 24px rgba(46, 204, 113, 0.32);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --max-width: 1240px;
  --header-height: 80px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--white);
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul,
ol {
  list-style: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

/* Accessibilité: Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--green);
  color: var(--navy);
  font-weight: 700;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 20px;
}

/* ==========================================================
   3. TYPOGRAPHIE & HIÉRARCHIE VISUELLE
   ========================================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--navy);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 800;
}

h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  line-height: 1.12;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 700;
}

h4 {
  font-size: 1.15rem;
  font-weight: 700;
}

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.reveal-text {
  color: var(--navy-mid);
}

p:last-child {
  margin-bottom: 0;
}

/* Tags de section & Badges */
.section-tag,
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--green-dark);
  background: var(--green-light);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 1.25rem;
  border: 1px solid rgba(46, 204, 113, 0.2);
}

.section-tag::before,
.hero-tag::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--green);
  box-shadow: 0 0 8px var(--green);
}

.hero-tag {
  background: rgba(46, 204, 113, 0.15);
  color: var(--green);
  border-color: rgba(46, 204, 113, 0.35);
  backdrop-filter: blur(8px);
}

/* ==========================================================
   4. STRUCTURE & CONTENEURS
   ========================================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;

}

section {
  position: relative;
  padding: clamp(4.5rem, 8vw, 7.5rem) 0;
  overflow: hidden;
}

.section-muted {
  background-color: var(--surface);
  position: relative;
}

.section-dark {
  background: linear-gradient(145deg, var(--navy-deep) 0%, var(--navy) 100%);
  color: var(--text-inverse);
  position: relative;
}

.section-dark h1,
.section-dark h2,
.section-dark h3 {
  color: var(--white);
}

.section-dark p {
  color: var(--text-inverse-muted);
}

.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-header.text-center {
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* Séparateurs ondulés SVG */
.wave-divider {
  position: absolute;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  z-index: 2;
  pointer-events: none;
}

.wave-divider svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 50px;
}

.wave-top {
  top: -1px;
}

.wave-bottom {
  bottom: -1px;
}

/* Éléments graphiques flottants (Blobs, cercles) */
.bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

.blob-green {
  background: radial-gradient(circle, rgba(46, 204, 113, 0.18) 0%, rgba(46, 204, 113, 0) 70%);
}

.blob-blue {
  background: radial-gradient(circle, rgba(42, 111, 186, 0.15) 0%, rgba(42, 111, 186, 0) 70%);
}

/* ==========================================================
   5. HEADER & NAVIGATION
   ========================================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(26, 26, 46, 0.06);
  transition: all var(--transition-normal);
}

header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 10px 30px rgba(26, 26, 46, 0.08);
  height: 72px;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 10px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  z-index: 1001;
}

.logo img {
  height: 44px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.logo:hover img {
  transform: scale(1.04);
}

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

.logo-title {
  font-family: var(--font-heading);
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.logo-tag {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--green-dark);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Liens de Navigation */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-item {
  position: relative;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy);
  padding: 8px 0;
  transition: color var(--transition-fast);
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2.5px;
  background: var(--green);
  border-radius: var(--radius-pill);
  transition: width var(--transition-normal);
}

.nav-item:hover,
.nav-item.active {
  color: var(--green-dark);
}

.nav-item:hover::after,
.nav-item.active::after {
  width: 100%;
}

/* Dropdown Menu */
.dropdown {
  position: relative;
}

.dropdown>.nav-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dropdown>.nav-item::after {
  display: none;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--white);
  min-width: 240px;
  padding: 12px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card), 0 20px 40px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border-light);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;

}

.dropdown-item {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--green-light);
  color: var(--green-dark);
  transform: translateX(4px);
}

/* Hamburger Mobile */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 8px;
  cursor: pointer;
  z-index: 1100;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border-light);
  transition: background var(--transition-fast);
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--navy);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ==========================================================
   6. BOUTONS & ÉLÉMENTS INTERACTIFS
   ========================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  text-align: center;
  line-height: 1;
}

.btn:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 3px;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--green) 0%, #25a25a 100%);
  color: var(--white);
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #34d679 0%, var(--green-dark) 100%);
  box-shadow: 0 12px 30px rgba(46, 204, 113, 0.45);
  transform: translateY(-2px);
  color: var(--white);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.btn-outline-dark {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn-outline-dark:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--green-dark);
  transition: all var(--transition-fast);
}

.btn-link:hover {
  color: var(--green);
  gap: 12px;
}

/* ==========================================================
   7. HERO — SLIDER PLEIN ÉCRAN & PAGES INTERNES
   ========================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  background-color: var(--navy-deep);
  color: var(--white);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg,
      rgba(14, 14, 26, 0.90) 0%,
      rgba(26, 26, 46, 0.72) 50%,
      rgba(0, 80, 31, 0.45) 100%);
  z-index: 2;
}

/* Slideshow */
.hero-slideshow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 1.2s ease-in-out, transform 8s ease-out;
}

.hero-slide.active {
  opacity: 1;
  transform: scale(1);
}

/* Hero Background pour sous-pages */
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  transform: scale(1.02);
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 860px;
  padding: 4rem 0;
}

.hero-captions {
  position: relative;
  min-height: 100px;
  margin-bottom: 2rem;
}

.hero-caption {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  color: var(--white);
}

.hero-caption.active {
  opacity: 1;
  transform: translateY(0);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

/* Indicateurs Hero Slider */
.hero-indicators {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 4;
}

.hero-dot {
  width: 36px;
  height: 6px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.hero-dot.active {
  background: var(--green);
  width: 56px;
  box-shadow: 0 0 12px var(--green);
}

/* Breadcrumb pour sous-pages */
.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--white);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--green);
}

.breadcrumb span {
  color: var(--green);
}

/* ==========================================================
   8. CARTES EXPERTISES & GRILLES
   ========================================================== */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(1.5rem, 3vw, 2.25rem);
}

.expertise-card {
  position: relative;
  background: var(--surface-card);
  padding: clamp(2rem, 3.5vw, 2.5rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 1;
}

.expertise-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--green), var(--navy-mid));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.expertise-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(46, 204, 113, 0.3);
}

.expertise-card:hover::before {
  opacity: 1;
}

.expertise-icon {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: var(--green-light);
  color: var(--green-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  transition: all var(--transition-normal);
}

.expertise-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--green-dark);
}

.expertise-card:hover .expertise-icon {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 8px 20px var(--green-glow);
  transform: scale(1.08);
}

.expertise-card:hover .expertise-icon svg {
  stroke: var(--white);
}

.expertise-card h3 {
  margin-bottom: 0.85rem;
  font-size: 1.35rem;
}

.expertise-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  flex-grow: 1;
  margin-bottom: 1.5rem;
}

/* ==========================================================
   9. STATISTIQUES AVEC COMPTEURS ANIMÉS
   ========================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(2rem, 4vw, 3.5rem);
  text-align: center;
}

.stat-item {
  position: relative;
  padding: 2.5rem 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(8px);
  transition: transform var(--transition-normal);
}

.stat-item:hover {
  transform: translateY(-6px);
  border-color: rgba(46, 204, 113, 0.3);
  background: rgba(255, 255, 255, 0.06);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1;
  color: var(--green);
  margin-bottom: 0.75rem;
  text-shadow: 0 0 30px var(--green-glow);
}

.stat-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-inverse-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ==========================================================
   10. VITRINE DE PROJETS & RÉALISATIONS
   ========================================================== */
.projects-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.project-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background: var(--navy);
  aspect-ratio: 4 / 3;
  transition: all var(--transition-normal);
}

.project-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: linear-gradient(to top, rgba(14, 14, 26, 0.95) 0%, rgba(14, 14, 26, 0.6) 70%, transparent 100%);
  color: var(--white);
  transform: translateY(10px);
  transition: transform var(--transition-normal);
}

.project-info span {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--green);
  margin-bottom: 0.4rem;
}

.project-info h3 {
  color: var(--white);
  font-size: 1.35rem;
  margin-bottom: 0.4rem;
}

.project-info p {
  color: var(--text-inverse-muted);
  font-size: 0.9rem;
  margin-bottom: 0;
}

.project-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.project-item:hover img {
  transform: scale(1.08);
}

.project-item:hover .project-info {
  transform: translateY(0);
}

/* ==========================================================
   11. BANDEAU DÉFILANT PARTENAIRES (MARQUEE)
   ========================================================== */
.section-partners {
  background: var(--surface-low);
  padding: 4.5rem 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.marquee-wrapper {
  overflow: hidden;
  white-space: nowrap;
  position: relative;
  mask-image: linear-gradient(to right, transparent 0%, black 15%, black 85%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 15%, black 85%, transparent 100%);
}

.marquee-track {
  display: inline-flex;
  align-items: center;
  gap: 3.5rem;
  animation: marquee 28s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

.marquee-item {
  flex-shrink: 0;
  background: var(--white);
  padding: 18px 32px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 80px;
  transition: all var(--transition-fast);
}

.marquee-item img {
  max-height: 48px;
  max-width: 130px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: all var(--transition-fast);
}

.marquee-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  border-color: rgba(46, 204, 113, 0.3);
}

.marquee-item:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

.partners-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.partners-row span {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-pill);
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  transition: all var(--transition-fast);
}

.partners-row span:hover {
  background: var(--green);
  color: var(--navy-deep);
  border-color: var(--green);
  transform: scale(1.05);
}

/* ==========================================================
   12. PAGE À PROPOS & GRILLES ASYMÉTRIQUES
   ========================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

.about-image-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.about-image-card img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  transition: transform var(--transition-slow);
}

.about-image-card:hover img {
  transform: scale(1.04);
}

.about-badge {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: var(--white);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  gap: 14px;
  border-left: 4px solid var(--green);
}

.about-badge strong {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--navy);
  line-height: 1;
}

.about-badge span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Cartes Mission & Vision */
.mission-card,
.vision-card {
  padding: clamp(2rem, 4vw, 3rem);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-normal);
}

.mission-card {
  background: linear-gradient(145deg, var(--navy-deep) 0%, var(--navy) 100%);
  color: var(--white);
  box-shadow: var(--shadow-dark);
}

.mission-card h3 {
  color: var(--green);
  margin-bottom: 1rem;
}

.mission-card p {
  color: var(--text-inverse-muted);
}

.vision-card {
  background: var(--surface-card);
  border: 2px solid var(--border-card);
  box-shadow: var(--shadow-card);
}

.vision-card h3 {
  color: var(--navy);
  margin-bottom: 1rem;
}

.mission-card:hover,
.vision-card:hover {
  transform: translateY(-6px);
}

/* Liste à puces techniques */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.5rem 0;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 1rem;
  color: var(--text-secondary);
}

.feature-list li strong {
  color: var(--navy);
}

/* ==========================================================
   13. FORMULAIRE & PAGE CONTACT
   ========================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: start;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 1.25rem;
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.contact-item:hover {
  background: var(--white);
  box-shadow: var(--shadow-subtle);
  border-color: rgba(46, 204, 113, 0.3);
  transform: translateX(4px);
}

.contact-item-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: var(--green-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--green-dark);
}

.contact-item strong {
  display: block;
  font-size: 0.95rem;
  color: var(--navy);
  margin-bottom: 2px;
}

.contact-item span {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Carte Formulaire */
.contact-form {
  background: var(--white);
  padding: clamp(2rem, 4vw, 3rem);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-card);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 18px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--surface-dim);
  background: var(--surface);
  color: var(--navy);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-group textarea {
  min-height: 130px;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  background: var(--white);
  border-color: var(--green);
  box-shadow: 0 0 0 4px var(--green-light);
}

.form-error-msg {
  display: none;
  font-size: 0.8rem;
  color: #e74c3c;
  margin-top: 4px;
  font-weight: 600;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: #e74c3c;
  background: #fdf3f2;
}

.form-group.has-error .form-error-msg {
  display: block;
}

.form-feedback {
  display: none;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.form-feedback.show {
  display: block;
}

.form-feedback.success {
  background: var(--green-light);
  color: var(--green-dark);
  border: 1px solid rgba(46, 204, 113, 0.4);
}

.form-feedback.error {
  background: #fdf3f2;
  color: #c0392b;
  border: 1px solid rgba(231, 76, 60, 0.3);
}

/* ==========================================================
   14. FOOTER
   ========================================================== */
footer {
  background: var(--navy-deep);
  color: var(--text-inverse-muted);
  padding: 5rem 0 2rem;
  border-top: 1px solid var(--border-glass);
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: 4rem;
}

.footer-info .logo-title {
  color: var(--white);
}

.footer-desc {
  margin-top: 1.25rem;
  font-size: 0.9rem;
  color: var(--text-inverse-muted);
  line-height: 1.7;
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--text-inverse-muted);
  transition: all var(--transition-fast);
}

a.footer-link:hover {
  color: var(--green);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: 12px;
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: all var(--transition-fast);
  border: 1px solid var(--border-glass);
}

.social-link:hover {
  background: var(--green);
  color: var(--navy-deep);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px var(--green-glow);
}

/* ==========================================================
   15. BOUTON WHATSAPP FLOTTANT
   ========================================================== */
.whatsapp-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  height: 56px;
  background: #25D366;
  color: #ffffff;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  padding: 0 16px;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  z-index: 990;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.9);
  transition: all var(--transition-normal);
}

.whatsapp-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.whatsapp-icon {
  width: 28px;
  height: 28px;
  fill: currentColor;
  flex-shrink: 0;
}

.whatsapp-label {
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  font-weight: 700;
  font-size: 0.9rem;
  margin-left: 0;
  transition: max-width 0.4s ease, margin-left 0.4s ease;
}

.whatsapp-btn:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.55);
}

.whatsapp-btn:hover .whatsapp-label {
  max-width: 140px;
  margin-left: 10px;
}

/* ==========================================================
   16. ANIMATIONS & SCROLL REVEAL
   ========================================================== */
[data-scroll],
[data-reveal],
.text-reveal,
.reveal-text {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

[data-scroll].is-visible,
[data-reveal].is-visible,
.text-reveal.is-visible,
.reveal-text.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================
   17. RESPONSIVE DESIGN (320px à 1920px)
   ========================================================== */

/* Tablettes & Petits Écrans (<= 1024px) */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

/* Mobile & Tablettes Portrait (<= 768px) */
@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 360px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 6rem 2rem 2rem;
    gap: 1.25rem;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.15);
    transition: right var(--transition-normal);
    z-index: 1050;
    overflow-y: auto;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-item {
    font-size: 1.15rem;
    width: 100%;
  }

  .dropdown-menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--surface);
    padding: 8px 12px;
    margin-top: 8px;
    opacity: 1;
    visibility: visible;
    display: none;
  }

  .dropdown.open .dropdown-menu {
    display: flex;
  }

  .hero {
    min-height: 560px;
    height: auto;
    padding: 7rem 0 4rem;
  }

  .hero-captions {
    min-height: 110px;
  }

  .hero-indicators {
    bottom: 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 1.25rem;
    text-align: center;
  }

  .whatsapp-btn {
    bottom: 20px;
    right: 20px;
    height: 50px;
  }
}

/* Petits Smartphones (<= 430px) */
@media (max-width: 430px) {
  .logo-title {
    font-size: 1.05rem;
  }

  .logo-tag {
    font-size: 0.62rem;
  }

  .btn {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .expertise-card,
  .contact-form,
  .stat-item {
    padding: 1.5rem 1.25rem;
  }
}

/* Accessibilité: Respect de prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .hero-slide {
    transition: opacity 0.3s ease !important;
  }
}