@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;500;700&display=swap');

/* === Thème global === */
body {
  font-family: "Poppins", sans-serif;
  background: linear-gradient(135deg, #000000, #1a1a1a, #2e2e2e);
  color: #f5f5f5;
  margin: 0;
  padding: 0;
  text-align: center;
  line-height: 1.6;
}

/* === NAVBAR === */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 2rem;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #444;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: #ffffff;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.navbar ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.navbar a {
  color: #e0e0e0;
  text-decoration: none;
  font-weight: 500;
  transition: 0.3s;
}

.navbar a:hover,
.navbar a.active {
  color: #fff;
  text-shadow: 0 0 10px #fff;
}

/* === TITRES & TEXTES === */
h1, h2, h3 {
  color: #ffffff;
}

h2 {
  margin-top: 1rem;
  font-size: 1.8rem;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

p {
  color: #ccc;
}

/* === CONTENU PRINCIPAL === */
main {
  padding: 2rem 1rem;
}

/* === CONTENEUR IA === */
.ia-container {
  max-width: 900px;
  margin: 2rem auto;
  background: linear-gradient(135deg, #f5f5f5, #dcdcdc);
  color: #000;
  border-radius: 25px;
  padding: 1rem;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

/* === BLOCS SECONDAIRES === */
.about {
  max-width: 650px;
  background: linear-gradient(145deg, #111, #1d1d1d);
  color: #fff;
  border-radius: 20px;
  margin: 2rem auto;
  padding: 2rem;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

.about ul {
  text-align: left;
  margin-top: 1rem;
  line-height: 1.8;
}

/* === BOUTONS === */
.btn {
  display: inline-block;
  margin-top: 1.2rem;
  padding: 0.8rem 1.4rem;
  border-radius: 10px;
  background: linear-gradient(90deg, #000000, #ffffff);
  color: #000;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: 0.3s ease;
}

.btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 10px rgba(255,255,255,0.4);
}

/* === FORMULAIRE CONTACT === */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 400px;
  margin: 1.5rem auto;
}

.contact-form input,
.contact-form textarea {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid #fff;
  color: #fff;
  padding: 0.9rem;
  border-radius: 10px;
  font-size: 1rem;
  resize: none;
  outline: none;
  transition: 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #fff;
  box-shadow: 0 0 10px rgba(255,255,255,0.4);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #aaa;
}

/* === FOOTER === */
footer {
  background: rgba(0, 0, 0, 0.8);
  padding: 1.2rem;
  font-size: 0.9rem;
  color: #aaa;
  border-top: 1px solid #222;
  margin-top: 3rem;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 1rem;
  }

  .navbar ul {
    flex-wrap: wrap;
    justify-content: center;
  }

  .ia-container iframe {
    height: 500px;
  }

  .about {
    width: 90%;
    padding: 1.2rem;
  }
}