/* Reset & base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: "Inter", Arial, sans-serif;
  line-height: 1.6;
  color: #eee;
  background: #121212;
  scroll-behavior: smooth;
}

/* Navigation fixe */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: #1e1e1e;
  border-bottom: 1px solid #333;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 12px 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}
nav a {
  margin: 0 15px;
  text-decoration: none;
  color: #ccc;
  font-weight: 500;
  transition: color 0.3s;
}
nav a:hover {
  color: #1e90ff;
}

/* Sections */
section {
  max-width: 900px;
  margin: 100px auto 60px auto;
  padding: 0 20px;
}
header {
  max-width: 900px;
  margin: 100px auto 60px auto;
  padding: 0 20px;
  text-align: center;
}

/* Titles */
h1 {
  font-size: 2.2em;
  margin-bottom: 20px;
  color: #fff;
}
h2 {
  font-size: 1.5em;
  margin-top: 40px;
  margin-bottom: 15px;
  color: #f0f0f0;
}

/* Paragraphs & lists */
p {
  margin-bottom: 20px;
  font-size: 1.05em;
}
ul {
  margin-left: 20px;
  margin-bottom: 20px;
}
li {
  margin-bottom: 10px;
}

/* Video */
iframe {
  width: 100%;
  max-width: 900px;
  height: 500px;
  border: none;
  border-radius: 8px;
  margin: 20px 0;
}

/* Cards déroulement */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.card {
  background: #1e1e1e;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s;
}
.card:hover {
  transform: translateY(-5px);
}
.card h3 {
  margin-bottom: 10px;
  color: #1e90ff;
}

/* Contact */
.contact-info {
  background: #1e1e1e;
  padding: 25px 20px;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}
.map-container {
  margin: 20px 0;
  border-radius: 10px;
  overflow: hidden;
}

/* Links */
a {
  color: #1e90ff;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* CTA Button */
.btn-cta {
  display: inline-block;
  margin-top: 15px;
  padding: 12px 25px;
  border-radius: 5px;
  background: #1e90ff;
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.3s;
}
.btn-cta:hover {
  background: #63b3ff;
}

/* Footer */
footer {
  text-align: center;
  font-size: 0.9em;
  color: #777;
  margin: 40px 0 20px 0;
}

/* Responsive */
@media (max-width: 600px) {
  h1 {
    font-size: 1.8em;
  }
  h2 {
    font-size: 1.3em;
  }
  iframe {
    height: 300px;
  }
  nav {
    flex-wrap: wrap;
  }
  nav a {
    margin: 5px;
  }
}