/* RESET DE BASE + BODY */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}
html, body { height: 100%; }
body {
  color: white;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  min-height: 100vh;
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  overflow-x: hidden;
  padding-top: 100px;
  padding-bottom: 50px;
  font-size: 16px;
}
.retour-button {
  display: inline-block;
  margin: 30px auto 0;
  padding: 10px 20px;
  background-color: #006A80;
  color: white;
  border: none;
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
  font-size: 20px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  box-shadow: 0 4px 6px rgba(0,0,0,0.2);
}

.hero-bg {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: -1;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}

.header {
  padding: 20px;
}
.logo {
  height: 100px;
  max-width: 80vw;
  background-color: transparent;
  transition: none;
  display: block;
  margin: 0 auto;
}
img:hover { filter: none; }

.title h1 {
  font-size: 36px;
  font-weight: bold;
  margin: 20px auto 30px;
  max-width: 800px;
}

.content-wrapper {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
  text-align: left;
}
section {
  background-color: rgba(255,255,255,0.08);
  border-radius: 18px;
  margin-bottom: 28px;
  padding: 30px 22px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.17);
}
section h2 {
  color: #fff;
  font-size: 24px;
  margin-bottom: 14px;
}
section p {
  color: #f0f0f0;
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 0;
}

.fade-in { opacity: 0; transform: translateY(20px); animation: fadeInUp 1s ease forwards; }
@keyframes fadeInUp { to { opacity: 1; transform: translateY(0); } }

.footer {
  margin-top: 40px;
  background-color: rgba(0, 0, 0, 0.2);
  border-top: 1px solid white;
  text-align: center;
  padding: 20px;
}
.footer p { margin-bottom: 10px; font-size: 14px; }

@media (max-width: 900px) {
  .content-wrapper { max-width: 96vw; padding: 0 2vw; }
  .title h1 { font-size: 22px; }
  section { padding: 16px 6px; }
  .retour-button{font-size: 16px;}
}
@media (max-width: 500px) {
  .logo { height: 40px; max-width: 90vw; }
  .footer { padding: 8px; font-size: 13px; }
  .title h1 { font-size: 16px; }
}