:root{
  --text: #ffffff;
  --line: rgba(255,255,255,0.2);
}

*{
  box-sizing:border-box;
}

html,body{
  margin:0;
  padding:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:#0c1a2a;
  color:white;
}

a{
  color:inherit;
  text-decoration:none;
}

/* HERO IMAGE */
.hero{
  min-height:60vh;
  background:
    linear-gradient(to bottom, rgba(5,10,20,0.3), rgba(5,10,20,0.85)),
    url("/assets/images/mayotte.jpg");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}

.hero-overlay{
  min-height:60vh;
  padding:20px;
  display:flex;
  flex-direction:column;
}

/* MENU */
.topnav{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:center;
  margin-bottom:40px;
}

.nav-item{
  padding:10px 16px;
  border-radius:999px;
  background:rgba(255,255,255,0.15);
  font-weight:600;
  backdrop-filter: blur(6px);
}

.nav-item:hover{
  background:rgba(255,255,255,0.30);
}

/* TITRE */
.hero-content{
  text-align:center;
  margin-top:auto;
  margin-bottom:auto;
}

.hero-content h1{
  font-size:64px;
  margin:0;
}

.hero-content p{
  font-size:20px;
  opacity:0.9;
}

/* CONTENU */
.container{
  max-width:1100px;
  margin:auto;
  padding:40px 20px;
}

.footer{
  text-align:center;
  padding:20px;
  border-top:1px solid var(--line);
  opacity:0.7;
}