/* Style général */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #1e1e1e;
  color: #f0f0f0;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

.hero {
  background: url('hero-background.jpg') center/cover no-repeat;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
}

.hero .overlay {
  background-color: rgba(0, 0, 0, 0.6);
  padding: 2rem;
  border-radius: 12px;
}

.hero img {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 3px solid #00aaff;
  margin-bottom: 1rem;
}

.hero h1 {
  color: #00aaff;
  margin: 0.2rem 0;
  font-size: 2rem;
}

.hero p {
  margin: 0.2rem 0 1rem;
  font-style: italic;
  color: #ccc;
}

.icons {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  gap: 1.2rem;
}

.icons a {
  color: #00aaff;
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.icons a:hover {
  color: #66d3ff;
  transform: scale(1.2);
}

nav {
  background-color: #2a2a2a;
  padding: 1rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  border-bottom: 1px solid #00aaff;
}

nav a {
  color: #00aaff;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s;
}

nav a:hover {
  color: #66d3ff;
}

.container {
  max-width: 960px;
  margin: auto;
  padding: 2rem 1rem;
}

h2 {
  border-bottom: 2px solid #00aaff;
  padding-bottom: 0.3rem;
  margin-top: 2.5rem;
  color: #00aaff;
}

ul {
  padding-left: 1.2rem;
  line-height: 1.6;
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 1rem;
}

input, textarea {
  background: #2a2a2a;
  border: 1px solid #555;
  padding: 0.6rem;
  color: #f0f0f0;
  border-radius: 4px;
  font-size: 1rem;
}

button {
  background-color: #00aaff;
  color: white;
  border: none;
  padding: 0.8rem;
  font-size: 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #007acc;
}

@media (max-width: 768px) {
  nav {
    font-size: 0.9rem;
  }

  .hero img {
    width: 100px;
    height: 100px;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .container {
    padding: 1rem;
  }
}