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

body {
  background: #f4f6fb;
  padding-top: 80px; /* évite que le header cache le contenu */
}

/* HEADER */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  background: white;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);

  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}

.logo {
  font-weight: bold;
  color: #4a00e0;
  font-size: 16px;
  text-decoration: none;
}

.logo:hover {
  opacity: 0.8;
}

.slogan {
  font-size: 10px;
  color: #666;
}

/* BUTTON */
.btn {
  background: linear-gradient(135deg, #4a00e0, #8e2de2);
  color: white;
  padding: 12px 18px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 14px;
  font-weight: bold;
  transition: all 0.3s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(0,0,0,0.15);
}

/* PULSE CTA */
.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(142,45,226,0.4); }
  70% { box-shadow: 0 0 0 14px rgba(142,45,226,0); }
  100% { box-shadow: 0 0 0 0 rgba(142,45,226,0); }
}

/* HERO */
.hero {
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(135deg, #4a00e0, #8e2de2);
  color: white;
}

/* BANNIÈRE RESPONSIVE */
.hero-banner {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.hero-banner img {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

/* TEXTE HERO */
.hero h1 {
  font-size: 1.7rem;
  margin-bottom: 12px;
  line-height: 1.3;
}

.hero p {
  font-size: 0.95rem;
  margin-bottom: 12px;
  opacity: 0.95;
}

.price {
  margin: 15px 0;
  font-weight: bold;
  font-size: 1.2rem;
}

.trust {
  font-size: 12px;
  margin-top: 12px;
  opacity: 0.9;
}

/* SECTION */
.section {
  padding: 50px 15px;
}

.section h2 {
  text-align: center;
  margin-bottom: 25px;
  color: #4a00e0;
  font-size: 1.3rem;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 15px;
}

/* CARD */
.card {
  background: white;
  padding: 18px;
  border-radius: 12px;
  box-shadow: 0 6px 15px rgba(0,0,0,0.05);

  opacity: 0;
  transform: translateY(25px);
  transition: all 0.4s ease;
}

.card.show {
  opacity: 1;
  transform: translateY(0);
}

.card:hover {
  transform: translateY(-5px);
}

/* SECTION HIGHLIGHT */
.highlight {
  background: #eef1ff;
}

.center {
  text-align: center;
}

/* CONTACT */
.contact {
  line-height: 1.8;
}

/* FOOTER */
footer {
  background: #111;
  color: white;
  text-align: center;
  padding: 20px;
  font-size: 13px;
}

/* TABLET */
@media (min-width: 768px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-banner img {
    max-width: 700px;
  }

  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* DESKTOP */
@media (min-width: 1024px) {
  .hero {
    padding: 80px 40px;
  }

  .hero-banner img {
    max-width: 800px;
  }

  .grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.important-note {
  margin-top: 15px;
  padding: 12px;
  background: #fff3cd;
  border-left: 4px solid #ff9800;
  border-radius: 6px;
  font-size: 13px;
  color: #333;
  line-height: 1.5;
}