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

html, body {
  height: 100%;
  font-family: 'Inter', sans-serif;
  color: #333;
  background-color: #fff;
  scroll-behavior: smooth;
  line-height: 1.7;
}

/* === FIXED HEADER AVEC EFFET CALQUE LÉGER === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10;
  text-align: center;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px); /* Effet léger de flou */
  padding: 1rem 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.logo {
  width: 180px;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* === HERO SECTION : IMAGE + TITRE + TEXTE CENTRÉS === */
.hero-section {
  min-height: 30vh;
  display: flex;
  align-items: center;
margin-top: 8vh;
  justify-content: center;
  padding: 6rem 6rem;
  background-color: #f9f9f9;
  text-align: center;
}

.hero-content {
  max-width: 600px;
  width: 90%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.illustration-img {
  width: 140px;
  height: auto;
  margin-bottom: 1.5rem;
}

.main-title {
  font-family: 'Poppins', sans-serif;
  font-size: 2.5rem;
  color: #1a73e8;
  font-weight: 700;
  margin-bottom: 1.2rem;
  text-align: center;
  letter-spacing: 0.6px;
}

.hero-text {
  font-size: 1rem;
  color: #333;
  margin-bottom: 2rem;
  text-align: center;
  max-width: 500px;
}

/* === TIMELINE SECTIONS === */
.timeline {
  max-width: 700px;
  margin: 4rem auto;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 1.5rem;
  background: #f9f9f9;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}

.step-image {
  width: 100px;
  height: auto;
  margin-bottom: 1.2rem;
}

.step-title {
  font-family: 'Poppins', sans-serif;
  font-size: 1.2rem;
  color: #1a73e8;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* === FINAL CTA === */
.cta-final {
  max-width: 700px;
  margin: 4rem auto 6rem;
  padding: 0 1.5rem;
  text-align: center;
  font-size: 1rem;
  color: #333;
}

/* === FOOTER === */
footer {
  text-align: center;
  padding: 3rem 2rem;
  background-color: #f2f2f2;
  font-size: 0.85rem;
  color: #888;
}

/* Responsive */
@media (max-width: 768px) {
  .illustration-img {
    width: 120px;
  }

  .main-title {
    font-size: 1.6rem;
  }

  .hero-text {
    font-size: 0.95rem;
  }

  .step-image {
    width: 90px;
  }

  .step-title {
    font-size: 1.1rem;
  }
}