/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #0f172a; 
}

::-webkit-scrollbar-thumb {
    background: #334155; 
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #475569; 
}

/* Smooth fade-in animation class */
.fade-in-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    will-change: opacity, visibility;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: none;
}

/* Glassmorphism utilities */
.glass {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Selection color handled by Tailwind, ensuring cross-browser consistency */
::selection {
    background: #6366f1;
    color: #ffffff;
}