/* Scroll reveal base — content visible by default, animated via JS */
    .scroll-reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

    @media (prefers-reduced-motion: no-preference) {
        .scroll-reveal {
            opacity: 0;
            transform: translateY(24px);
        }
        .scroll-reveal.is-visible {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* Smooth scrolling */
    html {
        scroll-behavior: smooth;
    }

    @media (prefers-reduced-motion: reduce) {
        html {
            scroll-behavior: auto;
        }
        .scroll-reveal {
            opacity: 1;
            transform: none;
        }
    }

    /* Navbar scroll state */
    #navbar.scrolled {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(12px);
        box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06), 0 4px 20px rgba(0, 0, 0, 0.04);
    }

    #navbar.scrolled .nav-logo-text {
        color: #0f172a;
    }

    #navbar.scrolled .nav-link {
        color: #475569;
    }

    #navbar.scrolled .nav-link:hover {
        color: #0d9488;
    }

    /* Mobile menu animation */
    #mobile-menu {
        animation: slideDown 0.25s ease;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-8px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* Custom select arrow */
    select {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
        background-position: right 0.75rem center;
        background-repeat: no-repeat;
        background-size: 1.25em 1.25em;
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
    }

    /* Vertical text for hero side element */
    .writing-mode-vertical {
        writing-mode: vertical-rl;
        text-orientation: mixed;
    }

    /* Selection color */
    ::selection {
        background-color: #99f6e4;
        color: #042f2e;
    }