body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: black;
    color: white;
    overflow: hidden;
}

/* FUNDO ANIMADO */
body::before {
    content: "";
    position: fixed;
    width: 100%;
    height: 100%;
    background: url("https://images.unsplash.com/photo-1605902711622-cfb43c44367f") center/cover;
    opacity: 0.3;
    z-index: -1;
    animation: zoom 20s infinite alternate;
}

@keyframes zoom {
    from {transform: scale(1);}
    to {transform: scale(1.2);}
}

/* SIDEBAR */
.sidebar {
    position: fixed;
    width: 80px;
    height: 100%;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 20px;
}

.sidebar h2 {
    color: red;
}

.sidebar a {
    margin: 20px 0;
    font-size: 22px;
    text-decoration: none;
    color: white;
    transition: 0.3s;
}

.sidebar a:hover {
    color: red;
    transform: scale(1.2);
}

/* MAIN */
.main {
    margin-left: 100px;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* TITULO */
h1 {
    font-size: 60px;
    margin: 0;
}

/* CARD */
.card {
    margin-top: 30px;
    padding: 40px;
    background: rgba(0,0,0,0.6);
    border-radius: 20px;
    backdrop-filter: blur(15px);
    text-align: center;
}

/* BOTÃO */
button {
    margin-top: 20px;
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    background: linear-gradient(45deg, red, darkred);
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    transform: scale(1.1);
}