:root {
  --primary-color: #4caf50;
  --secondary-color: #ffc107;
  --accent-color: #ff5722;
  --text-color: #333333;
  --light-bg: #f5f5f5;
  --dark-bg: #2e3a2e;
  --gradient: linear-gradient(120deg, var(--primary-color), var(--secondary-color));
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Playfair Display', 'Montserrat', sans-serif;
}

body {
  background-color: var(--light-bg);
  color: var(--text-color);
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* En-tête */
header {
  background-color: var(--dark-bg);
  color: white;
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: white;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 25px;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  transition: color 0.3s;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--secondary-color);
  transition: width 0.3s;
}

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

nav a:hover::after {
  width: 100%;
}

/* Section principale */
.hero {
  background-color: var(--dark-bg);
  color: white;
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::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='%234caf50' fill-opacity='0.1'%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");
  opacity: 0.1;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.9;
}

.cta-button {
  display: inline-block;
  background: var(--gradient);
  color: white;
  padding: 15px 35px;
  border-radius: 30px;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 600;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

/* Section des caractéristiques */
.features {
  padding: 80px 0;
  background-color: white;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--primary-color);
  position: relative;
  padding-bottom: 15px;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 70px;
  height: 3px;
  background: var(--gradient);
}

.section-subtitle {
  text-align: center;
  font-size: 1.1rem;
  margin-bottom: 50px;
  color: #666;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.feature-card {
  background-color: #fff;
  border-radius: 15px;
  padding: 30px 25px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
  border-bottom: 3px solid transparent;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--gradient);
  transition: transform 0.3s;
  transform: translateY(-100%);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-bottom: 3px solid var(--primary-color);
}

.feature-card:hover::before {
  transform: translateY(0);
}

.feature-icon {
  margin-bottom: 20px;
  width: 70px;
  height: 70px;
  background-color: rgba(76, 175, 80, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  margin-right: auto;
}

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

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.feature-card p {
  color: #666;
  font-size: 1rem;
}

/* Comment ça fonctionne */
.how-it-works {
  padding: 80px 0;
  background-color: #f9f9f9;
  position: relative;
}

.steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
  margin-top: 50px;
}

.step {
  flex: 1;
  min-width: 250px;
  max-width: 350px;
  text-align: center;
  position: relative;
}

.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 35px;
  right: -20px;
  width: 40px;
  height: 2px;
  background-color: var(--primary-color);
  opacity: 0.5;
}

.step-number {
  width: 70px;
  height: 70px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 700;
  color: white;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
}

.step h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.step p {
  color: #666;
}

/* FAQ */
.faq {
  padding: 80px 0;
  background-color: white;
}

.faq-list {
  max-width: 800px;
  margin: 40px auto 0;
}

.faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

.faq-question {
  background-color: #fff;
  padding: 20px;
  cursor: pointer;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-left: 4px solid var(--primary-color);
}

.faq-question svg {
  width: 20px;
  height: 20px;
  transition: transform 0.3s;
}

.faq-answer {
  background-color: #f9f9f9;
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-item.active .faq-answer {
  padding: 20px;
  max-height: 500px;
}

/* Pied de page */
footer {
  background-color: var(--dark-bg);
  color: white;
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.footer-logo svg {
  width: 40px;
  height: 40px;
  margin-right: 10px;
}

.footer-col h4 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: var(--secondary-color);
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--secondary-color);
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--secondary-color);
  transform: translateX(3px);
}

.copyright {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

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

  nav {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--dark-bg);
    padding: 20px;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    clip-path: circle(0px at top right);
    transition: clip-path 0.3s ease-in-out;
  }

  nav.active {
    clip-path: circle(1500px at top right);
  }

  nav ul {
    flex-direction: column;
    gap: 15px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

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

  .step:not(:last-child)::after {
    display: none;
  }
  
  .feature-cards {
    grid-template-columns: 1fr;
  }
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate {
  opacity: 0;
  animation: fadeIn 0.8s forwards;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }