/* Custom CSS */
body {
    font-family: 'Rajdhani', sans-serif;
    background-color: #0c0a09;
    color: #d1d5db;
}
.container {
    max-width: 1200px;
}
.section-content {
    display: none;
}
.section-content.active {
    display: block;
}
.loading-spinner {
    border-top-color: #3b82f6;
    -webkit-animation: spin 1s linear infinite;
    animation: spin 1s linear infinite;
}
@-webkit-keyframes spin {
    0% { -webkit-transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); }
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Full-page video background styling */
.video-background {
    position: fixed;
    right: 0;
    bottom: 0;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -1;
    background-size: cover;
}

/* Overlay to darken the background video and make text readable */
.video-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(12, 10, 9, 0.7); /* Darkened to 90% opacity */
    z-index: -1;
}

/* Icon styling with grayscale and hover effects */
.icon {
    filter: grayscale(100%);
    transition: filter 0.3s, transform 0.3s;
    max-width: 80px; /* Adjust as needed */
    height: auto;
}
/* New hover effect for the icon, triggered by hovering over the parent div */
.button-group:hover .icon {
    filter: grayscale(0%);
    transform: scale(1.1); /* Grow effect */
}