/* Base */
    *, *::before, *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
        scroll-padding-top: 80px;
    }

    body {
        overflow-x: hidden;
    }

    ::selection {
        background: rgba(20, 184, 166, 0.3);
        color: white;
    }

    /* Scroll reveal base — content visible by default */
    .reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

    /* Active state applied by JS */
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    /* Navbar */
    #navbar {
        background: transparent;
    }

    #navbar.scrolled {
        background: rgba(2, 6, 23, 0.9);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    }

    /* Mobile menu */
    #mobile-menu.active {
        opacity: 1;
        pointer-events: all;
    }

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

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

    ::-webkit-scrollbar-thumb {
        background: #1e293b;
        border-radius: 4px;
    }

    ::-webkit-scrollbar-thumb:hover {
        background: #334155;
    }

    /* Reduced motion */
    @media (prefers-reduced-motion: reduce) {
        .reveal {
            opacity: 1;
            transform: none;
            transition: none;
        }
        html {
            scroll-behavior: auto;
        }
        * {
            transition-duration: 0.01ms !important;
            animation-duration: 0.01ms !important;
        }
    }

    /* Form select dropdown arrow */
    select {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 12px center;
        padding-right: 40px;
    }

    /* Date input styling */
    input[type="date"]::-webkit-calendar-picker-indicator {
        filter: invert(0.6) sepia(1) saturate(5) hue-rotate(130deg);
        cursor: pointer;
    }