:root {
  --primary-color: #FF416C;
  --secondary-color: #8A52E9;
  --accent-color: #25CCF7;
  --text-color: #2F2F2F;
  --light-bg: #F9F9F9;
  --dark-bg: #151515;
  --card-bg: #FFFFFF;
  --border-radius: 12px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: 'Montserrat', 'Open Sans', sans-serif;
  line-height: 1.7;
  color: var(--text-color);
  background-color: var(--light-bg);
}

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

/* Typographie */
h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.3;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.8rem;
  margin-bottom: 0.8rem;
}

p {
  margin-bottom: 1rem;
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: all 0.3s ease;
}

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

/* Header & Navigation */
.header {
  background-color: var(--dark-bg);
  color: white;
  padding: 15px 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
  display: flex;
  align-items: center;
  color: white;
  font-weight: 700;
  font-size: 1.5rem;
  gap: 10px;
}

.logo svg {
  height: 36px;
  width: auto;
}

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

.nav-item {
  margin-left: 30px;
}

.nav-link {
  color: white;
  font-weight: 500;
  position: relative;
}

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

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

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

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: 150px 0 80px;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.hero-description {
  font-size: 1.2rem;
  margin-bottom: 2.5rem;
  opacity: 0.9;
}

.cta-button {
  display: inline-block;
  background-color: white;
  color: var(--primary-color);
  padding: 15px 40px;
  font-weight: 700;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.15);
  color: var(--secondary-color);
}

/* Features Section */
.features {
  padding: 100px 0;
  background-color: white;
}

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

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

.section-title::after {
  content: '';
  position: absolute;
  width: 60%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  bottom: -10px;
  left: 20%;
}

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

.feature-card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 40px 30px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.feature-icon svg {
  width: 35px;
  height: 35px;
  color: white;
}

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

/* How It Works */
.how-it-works {
  background-color: var(--light-bg);
  padding: 100px 0;
}

.steps {
  display: flex;
  justify-content: space-between;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  z-index: 1;
}

.step {
  position: relative;
  z-index: 2;
  text-align: center;
  flex: 1;
  padding: 0 15px;
}

.step-number {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.5rem;
  margin: 0 auto 20px;
}

.step-title {
  margin-bottom: 10px;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  padding: 80px 0;
  color: white;
  text-align: center;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-section .cta-button {
  margin-top: 30px;
}

/* Testimonials */
.testimonials {
  padding: 100px 0;
  background-color: white;
}

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

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

.testimonial-text {
  font-style: italic;
  margin-bottom: 20px;
}

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

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  margin-right: 15px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
}

.author-name {
  font-weight: 700;
}

.author-title {
  font-size: 0.9rem;
  opacity: 0.7;
}

/* Footer */
.footer {
  background-color: var(--dark-bg);
  color: white;
  padding: 70px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 50px;
}

.footer-column h4 {
  margin-bottom: 20px;
  color: var(--accent-color);
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: #ccc;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.9rem;
  color: #999;
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 15px;
}

.social-links a {
  color: white;
  background-color: rgba(255,255,255,0.1);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background-color: var(--accent-color);
  transform: translateY(-3px);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
}

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

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--dark-bg);
  color: white;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 -5px 20px rgba(0,0,0,0.15);
  animation: slideUp 0.5s forwards;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.cookie-text {
  margin-right: 20px;
}

.cookie-buttons {
  display: flex;
  gap: 10px;
}

.cookie-btn {
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
}

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

.decline-btn {
  background-color: transparent;
  border: 1px solid white;
  color: white;
}

/* Responsive Design */
@media (max-width: 992px) {
  h1 {
    font-size: 2.2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .steps {
    flex-direction: column;
    gap: 30px;
  }
  
  .steps::before {
    display: none;
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }
  
  .nav-menu {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--dark-bg);
    padding: 20px 0;
    display: none;
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-item {
    margin: 10px 0;
  }
  
  .hero {
    padding: 120px 0 60px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
}