:root {
  --primary-color: #002395; /* Bleu */
  --secondary-color: #ED2939; /* Rouge */
  --neutral-color: #FFFFFF; /* Blanc */
  --dark-color: #1a1a1a;
  --text-color: #333;
  --light-text: #fff;
  --background: #f8f8f8;
  --card-bg: #fff;
  --shadow: rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  background-color: var(--background);
}

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

a:hover {
  color: var(--secondary-color);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.btn {
  display: inline-block;
  background: var(--primary-color);
  color: var(--light-text);
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 14px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  height: 100%;
  background-color: var(--secondary-color);
  transition: all 0.4s ease;
  z-index: -1;
}

.btn:hover:before {
  width: 100%;
}

.btn:hover {
  transform: translateY(-3px);
}

/* Header */
.header {
  background-color: var(--neutral-color);
  box-shadow: 0 2px 10px var(--shadow);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 700;
}

.logo-text {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-link {
  font-weight: 600;
  font-size: 16px;
  position: relative;
  padding: 5px 0;
}

.nav-link:after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  transition: var(--transition);
}

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

.toggle-menu {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--primary-color);
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 180px 0 100px;
  position: relative;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--light-text);
  clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
}

.hero-content {
  max-width: 600px;
}

.hero h1 {
  font-size: 44px;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero p {
  font-size: 18px;
  margin-bottom: 30px;
  opacity: 0.9;
}

.hero .btn {
  background: var(--neutral-color);
  color: var(--primary-color);
}

.hero .btn:before {
  background-color: rgba(255, 255, 255, 0.85);
}

/* Features Section */
.features {
  padding: 100px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 36px;
  margin-bottom: 15px;
  position: relative;
  display: inline-block;
  color: var(--primary-color);
}

.section-title h2:after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
}

.section-title p {
  max-width: 600px;
  margin: 0 auto;
  color: #666;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  background-color: var(--card-bg);
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 5px 20px var(--shadow);
  transition: var(--transition);
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-card:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  z-index: -1;
}

.feature-icon {
  width: 70px;
  height: 70px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 35, 149, 0.1);
  border-radius: 50%;
}

.feature-icon svg {
  width: 35px;
  height: 35px;
  fill: var(--primary-color);
}

.feature-card h3 {
  font-size: 22px;
  margin-bottom: 15px;
  color: var(--primary-color);
}

/* How It Works */
.how-it-works {
  padding: 100px 0;
  background-color: #f1f5ff;
}

.process-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.step-card {
  width: 300px;
  padding: 30px;
  background-color: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 5px 20px var(--shadow);
  position: relative;
  text-align: center;
}

.step-number {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--light-text);
  font-size: 24px;
  font-weight: 700;
  border-radius: 50%;
  margin: 0 auto 20px;
}

.step-card h3 {
  font-size: 20px;
  margin-bottom: 15px;
  color: var(--primary-color);
}

/* Testimonials */
.testimonials {
  padding: 100px 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.testimonial-card {
  background-color: var(--card-bg);
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 5px 20px var(--shadow);
}

.testimonial-text {
  font-size: 16px;
  font-style: italic;
  margin-bottom: 20px;
  position: relative;
}

.testimonial-text:before {
  content: '"';
  font-size: 60px;
  color: rgba(0, 35, 149, 0.1);
  position: absolute;
  top: -20px;
  left: -15px;
}

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

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: var(--light-text);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 15px;
  font-weight: bold;
}

.author-details h4 {
  font-size: 18px;
  margin-bottom: 5px;
}

.author-details p {
  font-size: 14px;
  color: #777;
}

/* CTA Section */
.cta {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--light-text);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

.cta p {
  margin-bottom: 30px;
}

.cta .btn {
  background: var(--neutral-color);
  color: var(--primary-color);
}

.cta .btn:before {
  background-color: rgba(255, 255, 255, 0.85);
}

/* Footer */
.footer {
  background-color: var(--dark-color);
  color: #999;
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}

.footer-info p {
  margin-bottom: 20px;
  line-height: 1.7;
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
  color: var(--light-text);
  font-size: 22px;
  font-weight: 700;
}

.footer-logo svg {
  margin-right: 10px;
  width: 30px;
  height: 30px;
}

.footer-title {
  color: var(--light-text);
  font-size: 18px;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-title:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
}

.footer-links ul {
  list-style: none;
}

.footer-links ul li {
  margin-bottom: 10px;
}

.footer-links ul li a {
  color: #999;
  transition: var(--transition);
}

.footer-links ul li a:hover {
  color: var(--light-text);
  padding-left: 5px;
}

.copyright {
  text-align: center;
  padding-top: 20px;
  margin-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 14px;
}

/* Media Queries */
@media screen and (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  
  .footer-info {
    grid-column: span 2;
  }
}

@media screen and (max-width: 768px) {
  .toggle-menu {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    flex-direction: column;
    background-color: var(--neutral-color);
    padding: 50px 0;
    transition: 0.4s;
    box-shadow: 0 10px 20px var(--shadow);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .hero {
    padding: 150px 0 80px;
  }
  
  .hero h1 {
    font-size: 36px;
  }
  
  .feature-card, .step-card, .testimonial-card {
    margin-bottom: 30px;
  }
}

@media screen and (max-width: 576px) {
  .hero h1 {
    font-size: 32px;
  }
  
  .section-title h2 {
    font-size: 30px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-info {
    grid-column: span 1;
  }
}