#background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

/* Animation overlay for better visibility of content */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(14, 28, 43, 0.9), rgba(20, 40, 70, 0.7));
    z-index: -1;
    pointer-events: none;
}

/* Loading animation for Three.js initialization */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0e1c2b 0%, #162c42 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.8s ease-in-out, visibility 0.8s;
}

.loader.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-circle {
    position: relative;
    width: 60px;
    height: 60px;
    border: 3px solid rgba(255,255,255,0.1);
    border-top: 3px solid #4070f4;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loader-circle::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 50%;
    border: 2px solid rgba(64, 112, 244, 0.2);
    animation: pulse 2s ease-out infinite;
}

.loader::after {
    content: 'Loading your experience...';
    color: rgba(255,255,255,0.7);
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    margin-top: 20px;
    letter-spacing: 1px;
    animation: fadeIn 2s ease-in-out;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.1); opacity: 0.2; }
    100% { transform: scale(1); opacity: 0.6; }
}

@keyframes fadeIn {
    0% { opacity: 0; }
    50% { opacity: 0; }
    100% { opacity: 1; }
}

/* Enhanced interaction animations */
.sidebar, article, .service-item, .skills-item, .icon-box {
    transition: transform 0.3s cubic-bezier(0.25, 0.1, 0.25, 1),
                box-shadow 0.3s cubic-bezier(0.25, 0.1, 0.25, 1),
                background-color 0.3s ease;
}

/* Subtle shine effect for cards */
/* .sidebar::after, */
article::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 45%,
        rgba(255, 255, 255, 0.05) 50%,
        transparent 55%
    );
    transform: rotate(30deg) translateY(100%);
    transition: transform 1s ease;
    pointer-events: none;
    z-index: 1;
}

.sidebar:hover::after,
article:hover::after {
    transform: rotate(30deg) translateY(-100%);
}

/* Animation for page transitions */
@keyframes fadeSlideUp {
    0% { 
        opacity: 0;
        transform: translateY(30px);
    }
    100% { 
        opacity: 1;
        transform: translateY(0);
    }
}

/* More pronounced animation for active articles */
article.active {
    animation: fadeSlideUp 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

/* Pulse animation for primary buttons */
.form-btn,
.info_more-btn {
    position: relative;
    overflow: hidden;
}

.form-btn::after,
.info_more-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    border-radius: inherit;
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    transition: transform 0.5s, opacity 0.5s;
    pointer-events: none;
}

.form-btn:active::after,
.info_more-btn:active::after {
    transform: translate(-50%, -50%) scale(1.5);
    opacity: 1;
    transition: 0s;
}

/* Enhanced navbar highlighting effect - removed underline */

/* Starfield styling */
#starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
}

/* Add a subtle depth effect to the background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        ellipse at center,
        rgba(14, 28, 43, 0) 0%,
        rgba(14, 28, 43, 0.3) 70%,
        rgba(14, 28, 43, 0.5) 100%
    );
    pointer-events: none;
    z-index: -1;
}

/* Simplified avatar styling */
.avatar-box {
    position: relative;
    overflow: hidden;
}

/* Subtle hover effect */
.avatar-box:hover {
    box-shadow: 0 10px 25px rgba(64, 112, 244, 0.2);
}

/* Responsive design adjustments */
@media (max-width: 768px) {
    #background-animation {
        opacity: 0.3; /* Reduce intensity on mobile */
    }
    
    .loader-circle {
        width: 50px;
        height: 50px;
    }
}