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

body {
  background-color: #f6f6f6;
  color: #000;
}

/* NAVBAR */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 50px;
  background-color: rgba(0, 0, 0, 0.9);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10;
}

.navbar .logo img {
  height: 40px;
}

.nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-weight: 500;
}

.nav-links a.active {
  border-bottom: 2px solid white;
}

.profile img {
  height: 28px;
  filter: invert(1);
}

/* HERO */
.hero {
  position: relative;
  height: 100vh;
  background: url('media/fond_adc.svg') center/cover no-repeat;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  text-align: center;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  z-index: 2;
}

/* SECTION CONVENTIONS */
section {
  padding: 100px 80px;
  text-align: center;
}

.adc-list h2, .adc-recap h2, .adc-next h2 {
  font-size: 3.5rem;
  margin-bottom: 20px;
}

.adc-list p {
  color: #000000;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 90px;
}

.card {
  background: white;
  border-radius: 20px;
  padding: 30px;
  text-align: left;
}

.card h3 {
  font-size: 1.6rem;
  text-align: center;
}

.card .subtitle {
  color: #000000;
  font-size: 0.9rem;
  text-align: center;
  margin-bottom: 1.6rem;
}

.card button {
  background: #007bff;
  color: white;
  border: none;
  padding: 20px 25px;
  display: block;
  margin: 0 auto;
  border-radius: 100px;
  cursor: pointer;
}

/* RECAP */
.recap-cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
}

.recap-card {
  background: white;
  border-radius: 15px;
  padding: 30px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  width: 400px;
  text-align: left;
}

.person {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 15px;
}

.person img, .avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #eaeaea;
}

/* FOOTER */
footer {
  background: #222;
  color: white;
  padding: 50px 80px;
  margin-top: 80px;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.col {
  width: 300px;
  margin-bottom: 30px;
}

.col ul {
  list-style: none;
  margin-top: 10px;
}

.col ul li {
  margin: 5px 0;
}

.socials img {
  width: 24px;
  margin: 10px 10px 0 0;
  filter: invert(1);
}

.footer-bottom {
  border-top: 1px solid #444;
  margin-top: 30px;
  padding-top: 20px;
  font-size: 0.9rem;
  text-align: center;
}

@media (max-width: 900px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  section {
    padding: 60px 30px;
  }
  .recap-cards {
    flex-direction: column;
    align-items: center;
  }
}