*, *::before, *::after {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    body {
        overflow-x: hidden;
    }

    ::selection {
        background-color: rgba(20, 184, 166, 0.2);
        color: #134e4a;
    }

    /* Mobile menu animations */
    @media (prefers-reduced-motion: no-preference) {
        .mobile-menu {
            transition: transform 0.5s cubic-bezier(0.65, 0, 0.35, 1);
        }
        .mobile-menu.open {
            transform: translateX(0);
        }
        .mobile-link {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.4s ease, transform 0.4s ease;
        }
        .mobile-menu.open .mobile-link {
            opacity: 1;
            transform: translateY(0);
        }
        .mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
        .mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
        .mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
        .mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
        .mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }
    }

    /* Subtle image hover */
    @media (prefers-reduced-motion: no-preference) {
        .reveal img {
            transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        .reveal:hover img {
            transform: scale(1.02);
        }
    }

    /* Form focus styles */
    input:focus, textarea:focus {
        outline: none;
    }

    /* Custom scrollbar */
    ::-webkit-scrollbar {
        width: 8px;
    }
    ::-webkit-scrollbar-track {
        background: #f0fdfa;
    }
    ::-webkit-scrollbar-thumb {
        background: #99f6e4;
        border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
        background: #5eead4;
    }