/* Custom scrollbar */
    ::-webkit-scrollbar { width: 4px; }
    ::-webkit-scrollbar-track { background: transparent; }
    ::-webkit-scrollbar-thumb { background: #27272a; border-radius: 2px; }
    
    /* Smooth reveal for sections */
    .reveal-on-scroll {
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.8s ease-out;
    }
    .reveal-on-scroll.visible {
        opacity: 1;
        transform: translateY(0);
    }

    .custom-input, .custom-select, .custom-textarea {
        background-color: #161618;
        border-color: #27272a;
        color: #ffffff;
        transition: all 0.2s ease;
    }
    .custom-input:focus, .custom-select:focus, .custom-textarea:focus {
        box-shadow: 0 0 0 1px #635BFF, 0 0 0 4px rgba(99, 91, 255, 0.1);
        border-color: #635BFF;
        outline: none;
    }
    select {
        appearance: none;
        -webkit-appearance: none;
    }

    .task-select + span::after {
        content: "";
    }
    .task-select:checked + span::after {
        content: "✓";
        font-size: 12px;
        line-height: 1;
        color: #ffffff;
    }

    /* Gradient Text */
    .text-gradient {
        background: linear-gradient(to right, #ffffff, #94a3b8);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    .text-gradient-primary {
        background: linear-gradient(to right, #635BFF, #A4D1FF);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    
    /* Dropdown Animation */
    .nav-item:hover .nav-dropdown {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    /* Tab Transitions */
    .tab-content {
        transition: opacity 0.3s ease, transform 0.3s ease;
    }
    .hidden-tab {
        display: none;
        opacity: 0;
        transform: translateY(10px);
    }
    .active-tab-btn {
        background-color: #27272a;
        color: white;
    }
    .inactive-tab-btn {
        color: #a1a1aa;
    }
    .inactive-tab-btn:hover {
        color: white;
    }
