/* Style sobre, professionnel et responsive */
body {
  font-family: 'Segoe UI', Arial, sans-serif;
  margin: 0;
  background: #fafbfc;
  color: #222;
}
header {
  background: #212a36;
  color: #fff;
  padding: 2em 1em 1em 1em;
  text-align: center;
}
nav {
  margin-top: 1em;
}
nav a {
  color: #fff;
  text-decoration: none;
  margin: 0 1em;
  font-weight: bold;
  transition: text-decoration 0.2s;
}
nav a:hover {
  text-decoration: underline;
}
main {
  max-width: 700px;
  margin: 2em auto;
  padding: 1em;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 0 8px #0001;
}
h1, h2 {
  margin-top: 0;
}
ul {
  padding-left: 1.2em;
}
.cta {
  display: inline-block;
  background: #2563eb;
  color: #fff;
  padding: 0.8em 1.6em;
  border-radius: 4px;
  font-weight: bold;
  text-decoration: none;
  margin: 2em 0 1em 0;
}
.cta:hover {
  background: #1e40af;
}
footer {
  text-align: center;
  color: #888;
  font-size: 0.9em;
  padding: 2em 0 1em 0;
}
.timeline {
  list-style-type: none;
  padding-left: 0;
}
.timeline li {
  margin-bottom: 1.2em;
  border-left: 3px solid #2563eb;
  padding-left: 1em;
}
.mail-link {
  color: #2563eb;
  font-weight: bold;
  word-break: break-all;
}
@media (max-width: 700px) {
  main {
    margin: 0.5em;
    padding: 0.5em;
  }
  nav {
    font-size: 0.95em;
  }
}