:root {
  --primary-blue: #003366;
  --hygiene-green: #50C878;
  --white: #ffffff;
  --black: #000000;
  --light-gray: #f5f5f5;
  --medium-gray: #e0e0e0;
  --dark-gray: #333333;
  --text-gray: #555555;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Open Sans', 'Roboto', sans-serif;
  line-height: 1.6;
  color: var(--dark-gray);
  background-color: var(--white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
.header {
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.4rem;
  font-weight: bold;
  color: var(--primary-blue);
  text-decoration: none;
  margin-left: -10px;
}

.logo img {
  height: 40px;
  width: auto;
}

.logo:hover {
  color: var(--primary-blue);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--dark-gray);
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--primary-blue);
}

.cta-button {
  background-color: var(--hygiene-green);
  color: var(--white);
  padding: 0.7rem 1.3rem;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background-color 0.3s ease;
  margin-right: -10px;
}

.cta-button:hover {
  background-color: #45b86b;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary-blue);
}

/* Main Content */
.main-content {
  margin-top: 85px;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-blue), #004d99);
  color: var(--white);
  padding: 4rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 1rem 2rem;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-primary {
  background-color: var(--hygiene-green);
  color: var(--white);
}

.btn-primary:hover {
  background-color: #45b86b;
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--white);
  color: var(--primary-blue);
  border: 2px solid var(--white);
}

.btn-secondary:hover {
  background-color: var(--primary-blue);
  color: var(--white);
  transform: translateY(-2px);
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  color: var(--primary-blue);
  margin-bottom: 3rem;
}

.section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: var(--text-gray);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

/* Cards */
.card {
  background-color: var(--white);
  border-radius: 10px;
  padding: 2rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.card-icon {
  font-size: 3rem;
  color: var(--hygiene-green);
  margin-bottom: 1rem;
}

.card h3 {
  color: var(--primary-blue);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.card p {
  color: var(--text-gray);
  margin-bottom: 1.5rem;
}

/* Product Cards */
.product-card {
  background-color: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.product-card:hover {
  transform: translateY(-5px);
}

.product-image {
  width: 100%;
  height: 200px;
  background-color: var(--light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-gray);
  font-size: 3rem;
}

.product-info {
  padding: 1.5rem;
}

.product-title {
  color: var(--primary-blue);
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
}

.product-description {
  color: var(--text-gray);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.product-price {
  font-weight: bold;
  color: var(--hygiene-green);
  margin-bottom: 1rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--dark-gray);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 2px solid var(--medium-gray);
  border-radius: 5px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--hygiene-green);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
.footer {
  background-color: var(--primary-blue);
  color: var(--white);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  margin-bottom: 1rem;
  color: var(--hygiene-green);
}

.footer-section a {
  color: var(--white);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--hygiene-green);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #004d99;
  color: #cccccc;
}

/* Responsive Design */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .cta-button {
    padding: 0.5rem 0.8rem;
    font-size: 0.8rem;
    margin-right: 0.5rem;
  }

  .nav-links {
    position: fixed;
    top: 85px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 85px);
    background-color: var(--white);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: 2rem;
    transition: left 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  }

  .nav-links.active {
    left: 0;
  }

  .nav-links li {
    margin: 1rem 0;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

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

  .section-title {
    font-size: 2rem;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* Carrousel Clients */
.clients-carousel {
  margin: 3rem 0;
  overflow: hidden;
  position: relative;
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  padding: 2rem 0;
}

.carousel-track {
  display: flex;
  animation: scroll 60s linear infinite;
  gap: 2rem;
}

.client-logo {
  flex: 0 0 auto;
  width: 200px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--medium-gray);
  transition: all 0.3s ease;
}

.client-logo:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  border-color: var(--hygiene-green);
}

.client-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.client-logo:hover img {
  transform: scale(1.05);
}

/* Animation du carrousel */
@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-200px * 40 - 2rem * 40));
  }
}

/* Pause animation au hover */
.clients-carousel:hover .carousel-track {
  animation-play-state: paused;
}

/* Dégradé de masquage sur les côtés */
.clients-carousel::before,
.clients-carousel::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100px;
  z-index: 2;
  pointer-events: none;
}

.clients-carousel::before {
  left: 0;
  background: linear-gradient(to right, var(--white), transparent);
}

.clients-carousel::after {
  right: 0;
  background: linear-gradient(to left, var(--white), transparent);
}

/* Responsive carrousel */
@media (max-width: 768px) {
  .client-logo {
    width: 160px;
    height: 100px;
    padding: 1rem;
  }
  
  @keyframes scroll {
    0% {
      transform: translateX(0);
    }
    100% {
      transform: translateX(calc(-160px * 40 - 1.5rem * 40));
    }
  }
  
  .carousel-track {
    gap: 1.5rem;
  }
}

/* Carrousel Partenaires */
.partners-carousel {
  margin: 3rem 0;
  overflow: hidden;
  position: relative;
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  padding: 3rem 0;
}

.partners-carousel .carousel-track {
  display: flex;
  animation: partnersScroll 20s linear infinite;
  gap: 4rem;
}

.partner-logo {
  flex: 0 0 auto;
  width: 250px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border-radius: 12px;
  padding: 2rem;
  border: 2px solid var(--medium-gray);
  transition: all 0.3s ease;
}

.partner-logo:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-blue);
}

.partner-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.partner-logo:hover img {
  transform: scale(1.1);
}

/* Animation du carrousel partenaires */
@keyframes partnersScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-250px * 5 - 4rem * 5));
  }
}

/* Pause animation au hover */
.partners-carousel:hover .carousel-track {
  animation-play-state: paused;
}

/* Dégradé de masquage sur les côtés */
.partners-carousel::before,
.partners-carousel::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 150px;
  z-index: 2;
  pointer-events: none;
}

.partners-carousel::before {
  left: 0;
  background: linear-gradient(to right, var(--white), transparent);
}

.partners-carousel::after {
  right: 0;
  background: linear-gradient(to left, var(--white), transparent);
}

/* Responsive carrousel partenaires */
@media (max-width: 768px) {
  .partner-logo {
    width: 200px;
    height: 100px;
    padding: 1.5rem;
  }
  
  .partners-carousel .carousel-track {
    gap: 3rem;
  }
  
  @keyframes partnersScroll {
    0% {
      transform: translateX(0);
    }
    100% {
      transform: translateX(calc(-200px * 5 - 3rem * 5));
    }
  }
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-green {
  color: var(--hygiene-green);
}

.text-blue {
  color: var(--primary-blue);
}

.bg-light {
  background-color: var(--light-gray);
}

.mb-2 {
  margin-bottom: 2rem;
}

.mt-2 {
  margin-top: 2rem;
}