* { box-sizing: border-box; margin: 0; padding: 0; }
    
:root {
  --bg: #0a0e17;
  --surface: #111827;
  --border: rgba(59, 130, 246, 0.1);
  --text: #f9fafb;
  --text-muted: #9ca3af;
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --accent: #60a5fa;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 14, 23, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.5px;
}

.logo {
  width: 36px;
  height: 36px;
  background: white;
  border-radius: 8px;
  display: grid;
  place-items: center;
}

.logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

nav ul {
  display: flex;
  gap: 40px;
  list-style: none;
  align-items: center;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
  font-size: 0.95rem;
}

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

.cta-btn {
  background: var(--primary);
  color: white;
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.2s;
}

.cta-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.burger {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 20px;
}

.mobile-menu {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.mobile-menu ul {
  list-style: none;
  padding: 20px 24px;
}

.mobile-menu li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.mobile-menu a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}

/* Hero */
.hero {
  padding: 100px 0 80px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  margin-bottom: 24px;
  font-weight: 700;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  display: inline-block;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}



/* Services */
.section {
  padding: 80px 0;
}


.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s;
}

.card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
  font-weight: 600;
}

.presentation {
    padding: 100px 0;
  }
  
  .presentation .container {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .centered-image {
      max-width: 900px; /* Taille fixe maximale */
      width: 100%;
      height: auto;
      border-radius: 16px;
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  }


/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
  margin-top: 80px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  width: 36px;
  height: 36px;
  background: white;
  border-radius: 8px;
  display: grid;
  place-items: center;
}

.footer-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  margin-left: 24px;
}

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

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  
}

@media (max-width: 768px) {
  nav ul {
    display: none;
  }

  .burger {
    display: block;
  }

  .hero {
    padding: 60px 0 40px;
  }

  .section {
    padding: 60px 0;
  }



}

/* Scroll to top */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--primary);
  color: white;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  transition: all 0.3s;
  z-index: 100;
}

.scroll-top:hover {
  background: var(--primary-dark);
  transform: translateY(-4px);
}

.scroll-top.show {
  display: flex;
}

.pill {
  display: inline-block;
  padding: .2rem .6rem;
  border-radius: 8px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--accent);
  font-size: .8rem;
}




/* Pill badge */
.pill {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Card list styles */
.card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.card ul li {
  padding: 8px 0;
  color: var(--text-muted);
  position: relative;
  padding-left: 20px;
  line-height: 1.6;
}

.card ul li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
  font-size: 1.2rem;
}

.card h3 {
  margin-bottom: 16px;
}