::-webkit-scrollbar { width: 4px; height: 4px; }
        ::-webkit-scrollbar-track { background: #f1f5f9; }
        ::-webkit-scrollbar-thumb { background: #cbd5e1; }
        .dark ::-webkit-scrollbar-track { background: #1e293b; }
        .dark ::-webkit-scrollbar-thumb { background: #475569; }
        .fade-in { animation: fadeIn 0.25s ease-out forwards; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
        .faq-panel { transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1); overflow: hidden; }
        .tool-card { transition: all 0.2s ease; }
        .tool-card:hover { transform: translateY(-2px); box-shadow: 0 20px 25px -12px rgba(0, 0, 0, 0.15); }
        .gradient-text { background: linear-gradient(135deg, #0ea5e9, #6366f1); -webkit-background-clip: text; background-clip: text; color: transparent; }