/* 1. Typographie et lisibilité */
body {
  font-family: 'Segoe UI', Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: #222;
  background: #fff;
  margin: 0;
  padding: 0;
}

/* Amélioration des paragraphes */
p {
  margin-bottom: 1.2em;
  letter-spacing: 0.01em;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Titres */
h1, h2, h3 {
  font-weight: 700;
  line-height: 1.2;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  text-align: center;
}

/* 2. Layout flexible */
.container {
  width: 90%;
  max-width: 1000px;
  margin: auto;
  padding: 1em 0;
  display: flex;
  flex-direction: column;
  gap: 2em;
}

/* Images responsives */
img, video {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* Boutons */
button, .cta {
  background: #0056d6;
  color: #fff;
  border: none;
  padding: 1em 2em;
  font-size: 1.1em;
  border-radius: 5px;
  cursor: pointer;
  margin: 1em auto;
  display: block;
  transition: background 0.2s;
}
button:hover, .cta:hover {
  background: #003a99;
}

/* 3. Media queries pour adaptation mobile/tablette */
@media (max-width: 768px) {
  .container {
    width: 98%;
    padding: 0.5em 0;
  }
  h1, h2, h3 {
    font-size: 1.2em;
  }
  p {
    font-size: 1em;
    padding: 0 0.5em;
  }
  button, .cta {
    width: 90%;
    font-size: 1em;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.1em;
  }
  .container {
    gap: 1em;
  }
}