/* Skip-to-content link (fallback if Tailwind CDN sr-only unavailable) */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    padding: 0.75rem 1.5rem;
    background: #06b6d4;
    color: #fff;
    font-weight: 600;
    border-radius: 0 0 0.5rem 0.5rem;
    transition: top 0.2s;
}
.skip-link:focus {
    top: 0;
}

/* Smooth transitions for nav */
#navbar.scrolled {
    background-color: rgba(15, 23, 42, 0.95);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 4px;
}

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

/* Gradient text utility */
.text-gradient {
    background: linear-gradient(135deg, #06b6d4, #22d3ee);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}