:root{
    --bg:#0a0a0a;
    --bg2:#111;
    --card:#161616;
    --border:#2a2a2a;
    --text:#ffffff;
    --text2:#b3b3b3;
}

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

body{
background:var(--bg);
color:var(--text);
overflow-x:hidden;
}

#particles-js{
position:fixed;
width:100%;
height:100%;
z-index:-1;
}

.navbar{
display:flex;
justify-content:space-between;
align-items:center;
padding:20px 10%;
background:rgba(10,10,10,0.9);
backdrop-filter:blur(12px);
position:fixed;
width:100%;
z-index:999;
border-bottom:1px solid var(--border);
}

.navbar ul{
display:flex;
list-style:none;
gap:25px;
}

.navbar a{
color:var(--text);
text-decoration:none;
transition:0.3s;
}

.navbar a:hover{
color:var(--text2);
}

.logo img {
    height: 100px; /* Ajustez selon vos besoins */
    width: auto;
    display: block;
}


.hero{
height:100vh;
display:flex;
flex-direction:column;
justify-content:center;
align-items:center;
text-align:center;
}

.hero h1{
font-size:5rem;
font-weight:800;
background:linear-gradient(90deg,#fff,#aaa,#666);
-webkit-background-clip:text;
color:transparent;
}

.hero h2{
margin:10px 0;
color:var(--text2);
}

.btn{
margin-top:20px;
padding:15px 30px;
background:white;
color:black;
border-radius:30px;
text-decoration:none;
transition:0.3s;
}

.btn:hover{
background:#ccc;
transform:translateY(-3px);
}

.section{
padding:100px 10%;
text-align:center;
}

.cards,
.missions-grid,
.team-grid,
.blog-grid,
.stats{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
gap:20px;
margin-top:40px;
}

.card,
.mission,
.member,
.blog-card,
.stat{
background:var(--card);
border:1px solid var(--border);
padding:25px;
border-radius:12px;
transition:0.3s;
}

.card:hover,
.mission:hover,
.member:hover,
.blog-card:hover{
transform:translateY(-8px);
border-color:#555;
box-shadow:0 0 20px rgba(255,255,255,0.08);
}

.member img{
width:100%;
border-radius:12px;
margin-bottom:10px;
}

input, textarea{
width:100%;
padding:15px;
margin:8px 0;
background:var(--bg2);
border:1px solid var(--border);
color:white;
border-radius:10px;
}

button{
padding:15px;
background:white;
color:black;
border:none;
border-radius:10px;
cursor:pointer;
}

button:hover{
background:#ccc;
}

.socials a{
font-size:1.8rem;
margin:10px;
color:white;
}

footer{
padding:30px;
text-align:center;
background:#050505;
border-top:1px solid var(--border);
}

footer a{
color:var(--text2);
margin:0 10px;
text-decoration:none;
}

.reveal{
opacity:0;
transform:translateY(40px);
transition:1s;
}

.reveal.active{
opacity:1;
transform:translateY(0);
}