/* --- Basic Setup & Font Import --- */
:root {
    /* -- UPDATED: Dark Theme Palette -- */
    --primary-text-color: #f0f0f0;
    --secondary-text-color: #a0a0a0;
    --button-outline-color: #ffffff;
    --button-hover-bg-color: #ffffff;
    --button-hover-text-color: #1e1e1e;
}

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-text-color);
    
    /* --- UPDATED: Dark Animated Gradient Background --- */
    background: linear-gradient(-45deg, #0f2027, #203a43, #2c5364, #1a2a3a);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
}

/* --- Keyframe Animation for the Background (No changes needed) --- */
@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* --- UPDATED: Dark Frosted Glass Content Box --- */
.content-box {
    text-align: center;
    padding: 50px 60px;
    max-width: 600px;
    
    /* --- The "Dark Glass" Effect --- */
    background: rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px); /* For Safari */
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    
    /* --- Content