html { scroll-behavior: smooth; }
    /* desktop dropdown */
    .nav-item:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
    .nav-arrow { transition: transform .3s ease; }
    .nav-item:hover .nav-arrow { transform: rotate(180deg); }
    .nav-item:hover > a { color: #d7262e; }
    .nav-item > a::after { content: ''; position: absolute; left: 50%; bottom: 0; width: 0; height: 3px; background: #d7262e; transition: all .3s ease; transform: translateX(-50%); }
    .nav-item:hover > a::after { width: 70%; }
    .dropdown { opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .25s ease; }
    /* mobile accordion */
    .m-sub { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
    .m-sub.open { max-height: 600px; }
    .m-toggle.open svg { transform: rotate(180deg); }