/* Custom Styles & Glassmorphism */
body {
    /* Background ungu sangat gelap yang elegan, bukan hitam-merah seram */
    background-color: #07050f; 
    background-image: radial-gradient(circle at 50% 0%, #1e103c 0%, transparent 50%);
    overflow-x: hidden;
    overflow-y: hidden; 
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
}

/* Biar opacity bisa jalan barengan sama display block */
.hidden-initially {
    display: none;
}

.glass-card {
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.glow-button {
    /* Glow ungu/pink pastel */
    box-shadow: 0 0 25px rgba(168, 85, 247, 0.4);
    transition: all 0.3s ease;
}

.glow-button:hover {
    box-shadow: 0 0 40px rgba(236, 72, 153, 0.6);
    transform: scale(1.05);
}

#gateway {
    transition: opacity 0.8s ease-out;
}

/* Transisi pergerakan tombol nggak biar keliatan kabur */
#btn-nggak {
    transition: top 0.15s ease-out, left 0.15s ease-out, transform 0.1s ease-in;
}