:root {
  --violet: #6a0dad;
  --bleu: #1e90ff;
  --blanc: #ffffff;
  --gris: #f4f6f8;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  background-color: var(--gris);
  color: #333;
  line-height: 1.6;
}

/* ================= HEADER / HERO ================= */
header {
  background: linear-gradient(135deg, #4b1fb8, #1e90ff);
  color: var(--blanc);
  padding: 90px 20px 80px; /* MOINS DE BLEU */
  text-align: center;
}

/* LOGO */
.logo {
  margin-top: 40px;      /* logo plus haut */
  margin-bottom: 10px;  /* proche du texte */
}

.logo img {
  width: 400px;
  max-width: 90vw;
  margin-bottom: 10px;
  filter: drop-shadow(0 0 16px rgba(255,80,120,0.9))
          contrast(1.25)
          saturate(1.3);
}

/* TITRE */
header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

/* SLOGAN */
header p {
  font-size: 1.15rem;
  opacity: 0.95;
  max-width: 780px;
  margin: auto;
}

/* ================= CONTENT ================= */
section {
  padding: 60px 20px;
  max-width: 1100px;
  margin: auto;
}

.card {
  background: var(--blanc);
  border-radius: 14px;
  padding: 30px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  margin-bottom: 30px;
}

.card h2 {
  color: var(--violet);
  margin-bottom: 15px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.feature {
  border-left: 5px solid var(--bleu);
  padding-left: 15px;
}

/* ================= CTA ================= */
.cta {
  background: linear-gradient(135deg, var(--bleu), var(--violet));
  color: var(--blanc);
  text-align: center;
  padding: 60px 20px;
  border-radius: 18px;
}

.cta h2 {
  margin-bottom: 15px;
  font-size: 2rem;
}

.cta p {
  font-size: 1.1rem;
}

.cta a {
  display: inline-block;
  margin-top: 25px;
  padding: 14px 34px;
  background: var(--blanc);
  color: var(--violet);
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
}

/* ================= FOOTER ================= */
footer {
  text-align: center;
  padding: 30px 20px;
  font-size: 0.9rem;
  color: #777;
}

/* ================= MOBILE ================= */
@media (max-width: 768px) {

  header {
    padding: 70px 20px 60px; /* encore plus compact */
  }

  .logo {
    margin-top: 25px;
    margin-bottom: 5px;
  }

  .logo img {
    width: 360px;
    max-width: 92vw;
    margin-bottom: 8px;
  }

  header h1 {
    font-size: 2.2rem;
  }

  header p {
    font-size: 1.05rem;
  }
}