body{
margin:0;
font-family:Arial;
background:linear-gradient(135deg,#000,#0a0a0a);
color:white;
}

/* HEADER */
header{
display:flex;
justify-content:space-between;
align-items:center;
padding:15px 20px;
background:rgba(0,0,0,0.8);
backdrop-filter:blur(10px);
}

nav a{
color:white;
margin:10px;
text-decoration:none;
transition:0.3s;
}

nav a:hover{
color:#00ff88;
}

/* HERO */
.hero{
text-align:center;
padding:60px 20px;
animation:fade 1s ease;
}

/* CARDS */
.card{
background:rgba(255,255,255,0.05);
padding:20px;
border-radius:15px;
margin:15px 0;
backdrop-filter:blur(10px);
transition:0.3s;
}

.card:hover{
transform:translateY(-5px);
}

/* BOTÃO */
.btn{
background:#00ff88;
border:none;
padding:10px 20px;
border-radius:20px;
cursor:pointer;
transition:0.3s;
}

.btn:hover{
transform:scale(1.05);
}

/* INPUT */
input, textarea{
width:100%;
padding:12px;
margin:5px 0;
border:none;
border-radius:8px;
}

/* GRID */
.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:15px;
}

/* ANIMAÇÃO */
@keyframes fade{
from{opacity:0;transform:translateY(20px);}
to{opacity:1;}
}