:root {
    --primary-color: #4267d6;
    --secondary-color: #6b7ce5;
    --shadow-primary: rgba(66, 103, 214, 0.3);
    --gradient-primary: linear-gradient(135deg, #4267d6 0%, #6b7ce5 100%);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --text-primary: #ffffff;
}

.glow-effect {
    filter: drop-shadow(0 0 20px var(--shadow-primary));
    transition: var(--transition-smooth);
}
.glow-effect:hover {
    filter: drop-shadow(0 0 30px var(--shadow-primary));
}

.nav-link {
    position: relative;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 8px;
    text-decoration: none;
}

.nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    border-radius: 8px;
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: -1;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0%;
    height: 2px;
    bottom: -4px;
    left: 50%;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
    border-radius: 1px;
}

.nav-link:hover::before,
.nav-link.active::before {
    opacity: 0.1;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--text-primary) !important;
    transform: translateY(-1px);
}

.nav-link.active {
    color: var(--primary-color) !important;
}

.nav-icon {
    filter: drop-shadow(0 0 8px var(--shadow-primary));
    transition: var(--transition-smooth);
}

.nav-link:hover .nav-icon {
    filter: drop-shadow(0 0 12px var(--shadow-primary));
}

.social-btn {
    background: var(--gradient-primary);
    box-shadow: 0 8px 32px var(--shadow-primary);
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
    border: none;
    text-decoration: none;
}

.social-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.social-btn:hover::before {
    left: 100%;
}

.social-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 40px var(--shadow-primary);
}

.social-btn:active {
    transform: translateY(-1px) scale(0.98);
}

/* Floating effect for elements such as the logo */
@keyframes float {
    0%, 100% { 
        transform: translateY(0px); 
    }
    50% { 
        transform: translateY(-10px); 
    }
}
.floating {
    animation: float 3s ease-in-out infinite;
}

/* Particle effect (used in the background) */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.6;
    animation: particle-float 8s ease-in-out infinite;
    pointer-events: none;
    transition: transform 0.1s ease-out;
}

@keyframes particle-float {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg); 
        opacity: 0.4; 
    }
    25% {
        opacity: 0.8;
    }
    50% { 
        transform: translateY(-30px) rotate(180deg); 
        opacity: 1; 
    }
    75% {
        opacity: 0.6;
    }
}