body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
  background-color: #121B29;
  color: #fff;
  line-height: 1.6;
}

header {
  background-color: #EEEBFF;
  color: #121B29;
  padding: 12px 24px;
}

header .logo-nird {
    height: 60px;
    margin-right: 15px;
}

header nav {
    display: flex;
    align-items: center;
    /* justify-content: space-between */
}

header nav ul {
    display: flex;
    gap: 50px;
    align-items: center;
    list-style-type: none;
}

header nav ul li a {
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
    color: inherit; 
}
/* style nav-item */
.nav-item {
    display: inline-block;
    padding: 8px 12px;
    border-radius: 6px;
    color: inherit;
    text-decoration: none;
    font-weight: 700;
    cursor: pointer;
    user-select: none;
    transition: transform 180ms cubic-bezier(.2,.8,.2,1), box-shadow 180ms cubic-bezier(.2,.8,.2,1);
    box-shadow: 0 6px 0 rgba(0,0,0,0.35), inset 0 -2px 0 rgba(0,0,0,0.12);
    background-image: linear-gradient(rgba(255,255,255,0.02), rgba(0,0,0,0.04));
}

/* Effet natif tactile / :active */
.nav-item:active {
    transform: translateY(6px);
    box-shadow: 0 2px 0 rgba(0,0,0,0.35), inset 0 6px 12px rgba(0,0,0,0.30);
}

/* Classe appliquée par JS pour animation contrôlée */
.nav-item.sunk {
    transform: translateY(6px);
    box-shadow: 0 2px 0 rgba(0,0,0,0.35), inset 0 6px 12px rgba(0,0,0,0.30);
}

/* Focus clavier visible */
.nav-item:focus {
    outline: 3px solid rgba(255, 212, 64, 0.25);
    outline-offset: 3px;
}

/* Respecter prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .nav-item,
    .nav-item:active,
    .nav-item.sunk {
    transition: none !important;
    transform: none !important;
    box-shadow: 0 6px 0 rgba(0,0,0,0.35) !important;
    }
}


/* FIN HEADER -----------------------------------------------------------------------------------------------------------------------------------------------*/
.container {
  width: 100%;        /* prend toute la largeur */
  margin: 0;          /* pas de marge auto */
  padding: 32px;      /* juste un peu de padding interne */
  box-sizing: border-box;
}

/* Titres */
h1, h2 {
  color: #AA8C50;
}

/* Listes */
ul {
  padding-left: 20px;
}



/*footer ______________________________________*/



footer {
  text-align: center;
  padding: 16px;
  background-color: #1e2a3a;
  margin-top: 32px;
}