*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family:'Segoe UI',sans-serif;
    background:
        radial-gradient(circle at top left,#00d4ff15,transparent 35%),
        radial-gradient(circle at bottom right,#7c3aed15,transparent 35%),
        #050816;
    color:white;
}

/* HEADER */
.header{
    padding:100px 20px;
    text-align:center;
    background:
        linear-gradient(
            135deg,
            rgba(0,212,255,.08),
            rgba(124,58,237,.08)
        );
    border-bottom:1px solid rgba(0,212,255,.15);
}

.header h1{
    font-size:3rem;
    margin-bottom:15px;
    color:#ffffff;
    text-shadow:0 0 20px rgba(0,212,255,.4);
}

.header p{
    color:#cbd5e1;
    font-size:1.1rem;
}

/* SERVICES */

.container{
    display:flex;
    flex-wrap:wrap;
    justify-content:center;
    gap:30px;
    padding:80px 20px;
}

/* CARDS */
.card{
    width:320px;
    padding:30px;
    border-radius:20px;

    background:rgba(255,255,255,0.03);

    backdrop-filter:blur(10px);

    border:1px solid rgba(0,212,255,.25);

    transition:.35s ease;

    box-shadow:
        0 0 0 rgba(0,212,255,0);
}

.card:hover{
    transform:translateY(-8px);

    border-color:#00d4ff;

    box-shadow:
        0 0 25px rgba(0,212,255,.35),
        0 0 60px rgba(0,212,255,.15);
}

.card h3{
    color:#00d4ff;
    margin-bottom:15px;
    font-size:1.5rem;
}

.card p{
    color:#d1d5db;
    line-height:1.6;
}

/* BOUTON */
.btn{
    display:inline-block;
    margin-top:25px;
    padding:12px 24px;

    color:#fff;
    text-decoration:none;
    font-weight:600;

    border-radius:12px;

    background:linear-gradient(
        135deg,
        #00d4ff 0%,
        #3b82f6 50%,
        #7c3aed 100%
    );

    border:none;

    transition:all .3s ease;

    box-shadow:
        0 0 15px rgba(0,212,255,.25);
}

.btn:hover{
    transform:translateY(-3px);

    box-shadow:
        0 0 20px rgba(0,212,255,.45),
        0 0 40px rgba(124,58,237,.25);
}