/* Importation des polices Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

/* Variables CSS */
:root {
  /* Palette de couleurs */
  --primary-green: #10B981;
  --secondary-blue: #082D5D;
  --accent-orange: #F97316;
  --neutral-gray: #475569;
  --light-gray: #F1F5F9;
  --white: #FFFFFF;
  --dark: #1E293B;

  /* Typographie */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-code: 'JetBrains Mono', monospace;

  /* Espacements */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Transitions */
  --transition: all 0.3s ease;
}

/* Reset et base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  color: var(--neutral-gray);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typographie */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
}

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

a:hover {
  color: var(--accent-orange);
}

/* Header */
header {
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

nav {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-green);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  flex-shrink: 0;
}

.logo:hover {
  opacity: 0.8;
  color: var(--primary-green);
}

.logo img {
  height: 40px;
  width: auto;
  border-radius: 8px;
  transition: var(--transition);
  flex-shrink: 0;
}

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

.logo-text {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 1rem;
  list-style: none;
  align-items: center;
  flex-wrap: nowrap;
}

.nav-links a {
  color: var(--neutral-gray);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-links a:hover {
  background: var(--light-gray);
  color: var(--primary-green);
}

.nav-cta {
  background: var(--accent-orange);
  color: var(--white) !important;
  padding: 0.6rem 1.2rem !important;
  border-radius: 0.5rem;
  font-size: 0.9rem;
  white-space: nowrap;
}

.nav-cta:hover {
  background: #ea580c;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

/* Burger menu pour mobile */
.burger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 0.25rem;
}

.burger span {
  width: 25px;
  height: 3px;
  background: var(--dark);
  border-radius: 3px;
  transition: var(--transition);
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Section */
section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--secondary-blue) 0%, #0f4c81 100%);
  color: var(--white);
  padding: var(--spacing-xl) 0;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path d="M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z" opacity=".25" fill="%2310B981"/><path d="M0,0V15.81C13,36.92,27.64,56.86,47.69,72.05,99.41,111.27,165,111,224.58,91.58c31.15-10.15,60.09-26.07,89.67-39.8,40.92-19,84.73-46,130.83-49.67,36.26-2.85,70.9,9.42,98.6,31.56,31.77,25.39,62.32,62,103.63,73,40.44,10.79,81.35-6.69,119.13-24.28s75.16-39,116.92-43.05c59.73-5.85,113.28,22.88,168.9,38.84,30.2,8.66,59,6.17,87.09-7.5,22.43-10.89,48-26.93,60.65-49.24V0Z" opacity=".5" fill="%2310B981"/><path d="M0,0V5.63C149.93,59,314.09,71.32,475.83,42.57c43-7.64,84.23-20.12,127.61-26.46,59-8.63,112.48,12.24,165.56,35.4C827.93,77.22,886,95.24,951.2,90c86.53-7,172.46-45.71,248.8-84.81V0Z" fill="%2310B981"/></svg>') no-repeat bottom;
  background-size: cover;
  opacity: 0.1;
}

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

.hero h1 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.9;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Boutons */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 1.125rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-align: center;
}

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

.btn-primary:hover {
  background: #059669;
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(16, 185, 129, 0.3);
}

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

.btn-secondary:hover {
  background: var(--white);
  color: var(--secondary-blue);
}

.btn-accent {
  background: var(--accent-orange);
  color: var(--white);
}

.btn-accent:hover {
  background: #ea580c;
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(249, 115, 22, 0.3);
}

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

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Cards */
.card {
  background: var(--white);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

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

.card p {
  color: var(--neutral-gray);
}

/* Section avec fond */
.section-gray {
  background: var(--light-gray);
}

.section-dark {
  background: var(--dark);
  color: var(--white);
}

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

.section-green {
  background: linear-gradient(135deg, var(--primary-green) 0%, #059669 100%);
  color: var(--white);
}

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

/* Cartes dans sections colorées */
.section-green .card,
.section-dark .card {
  color: var(--neutral-gray);
  background: var(--white) !important;
}

.section-green .card h3,
.section-dark .card h3 {
  color: var(--dark);
}

.section-green .card p,
.section-dark .card p {
  color: var(--neutral-gray);
}

/* Boutons dans sections colorées */
.section-green .btn-secondary {
  background: var(--white);
  color: var(--primary-green);
  border: 2px solid var(--white);
}

.section-green .btn-secondary:hover {
  background: var(--primary-green);
  color: var(--white);
}

/* Éléments de timeline dans sections colorées */
.section-green .timeline-number {
  background: var(--white);
  color: var(--primary-green);
}

.section-green .timeline-item::before {
  background: var(--white);
  box-shadow: 0 0 0 3px var(--white);
}

/* Ligne verticale principale de la timeline */
.section-green .timeline::before {
  background: var(--white);
}

/* Titres avec couleur primaire dans sections colorées */
.section-green [style*="color: var(--primary-green)"],
.section-green h3[style*="color: var(--primary-green)"] {
  color: var(--white) !important;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stat {
  padding: 2rem;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-green);
  display: block;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1.125rem;
  color: var(--neutral-gray);
}

.section-dark .stat-number {
  color: var(--primary-green);
}

.section-dark .stat-label {
  color: rgba(255, 255, 255, 0.8);
}

.section-green .stat-number,
.section-green .stat-label {
  color: var(--white);
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 3rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--primary-green);
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
  padding-left: 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -3rem;
  top: 0;
  width: 20px;
  height: 20px;
  background: var(--primary-green);
  border-radius: 50%;
  border: 3px solid var(--white);
  box-shadow: 0 0 0 3px var(--primary-green);
}

.timeline-number {
  display: inline-block;
  background: var(--primary-green);
  color: var(--white);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  text-align: center;
  line-height: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* Table comparative */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: var(--white);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.comparison-table th,
.comparison-table td {
  padding: 1.5rem;
  text-align: left;
  border-bottom: 1px solid var(--light-gray);
}

.comparison-table th {
  background: var(--secondary-blue);
  color: var(--white);
  font-weight: 600;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table tr:hover {
  background: var(--light-gray);
}

/* Footer */
footer {
  background: var(--dark);
  color: var(--white);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: var(--spacing-md);
}

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

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

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
  color: var(--primary-green);
}

.social-links {
  display: flex;
  gap: 1rem;
}

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

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

.partners-logos {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  margin-top: 2rem;
}

.partner-logo {
  height: 50px;
  opacity: 0.7;
  transition: var(--transition);
  filter: grayscale(100%);
}

.partner-logo:hover {
  opacity: 1;
  filter: grayscale(0%);
}

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

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

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--light-gray);
  border-radius: 0.5rem;
  font-family: var(--font-main);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-green);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

/* Checkbox label styling */
.checkbox-label {
  display: flex !important;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: auto !important;
  margin-top: 0.25rem;
  flex-shrink: 0;
  cursor: pointer;
}

.checkbox-label span {
  flex: 1;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 70%;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem;
    box-shadow: -5px 0 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
  }

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

  .burger {
    display: flex;
  }

  .burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

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

  .burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .hero {
    min-height: 70vh;
  }

  .hero-ctas {
    flex-direction: column;
  }

  .timeline {
    padding-left: 2rem;
  }

  .timeline-item {
    padding-left: 1.5rem;
  }

  .timeline-item::before {
    left: -2.5rem;
  }

  .comparison-table {
    font-size: 0.875rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 1rem;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Utilitaires */
.text-center {
  text-align: center;
}

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

.text-orange {
  color: var(--accent-orange);
}

/* Form message animations */
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideOut {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-10px);
  }
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }