/* Background full gambar */
body {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    background: url('bg.png'); /* ganti dengan gambar kamu */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Layer gelap supaya gambar tidak terlalu terang */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.45);
    backdrop-filter: blur(2px);
}

/* Card tengah */
.center-card {
    position: relative;
    z-index: 2;
    text-align: center;
}

/* Logo tengah */
.logo {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid #fff;
    box-shadow: 0 0 20px rgba(255,255,255,0.5);
    margin-bottom: 25px;
}

/* Tombol icon login */
.login-options {
    display: flex;
    justify-content: center;
    gap: 25px;
}

/* Style icon login */
.icon-btn {
    width: 110px;
    height: 110px;
    background: rgba(255,255,255,0.15);
    border-radius: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(10px);
    color: white;
    text-decoration: none;
    
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    transition: 0.3s ease;
}

/* Icon */
.icon-btn i {
    font-size: 40px;
    margin-bottom: 8px;
}

/* Hover efek */
.icon-btn:hover {
    background: rgba(255,255,255,0.4);
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(255,255,255,0.7);
}

/* Text label */
.icon-btn span {
    font-size: 16px;
    font-weight: 600;
}