/* Responsive navigation and footer adjustments */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    width: 44px;
    height: 44px;
    padding: 8px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}
.nav-toggle .hamburger,
.nav-toggle .hamburger::before,
.nav-toggle .hamburger::after {
    content: '';
    display: block;
    width: 20px;
    height: 2px;
    background: var(--black);
    transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle .hamburger::before { transform: translateY(-6px); }
.nav-toggle .hamburger::after { transform: translateY(4px); }

@media (max-width: 900px) {
    .nav-toggle { display: flex; }
    nav .nav-links { display: none; }
    nav.nav-open .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 16px 30px 24px;
        gap: 12px;
        border-bottom: 1px solid var(--border);
        z-index: 90;
    }
    nav.nav-open .nav-links li { display: block; }
    nav.nav-open .nav-links a { padding: 10px 6px; color: var(--mid); }
    nav.nav-open .nav-links .nav-cta { align-self: flex-start; }
    nav.nav-open .nav-toggle .hamburger { background: transparent; }
    nav.nav-open .nav-toggle .hamburger::before { transform: rotate(45deg) translate(5px,5px); }
    nav.nav-open .nav-toggle .hamburger::after { transform: rotate(-45deg) translate(5px,-5px); }

    /* Ensure footer stacks on small screens */
    footer { flex-direction: column !important; gap: 24px; padding: 40px 24px !important; }
    .footer-bottom { padding: 20px 24px !important; }
}

/* Footer accordion behaviour for small screens */
@media (max-width: 900px) {
    .footer-links { display: flex; flex-direction: column; gap: 12px; }
    .footer-col { display: flex; flex-direction: column; }
    .footer-col-title { cursor: pointer; display: flex; justify-content: space-between; align-items: center; padding: 8px 0; }
    .footer-col .chev { width: 12px; height: 12px; display: inline-block; border-right: 2px solid var(--mid); border-bottom: 2px solid var(--mid); transform: rotate(-45deg); margin-left: 8px; transition: transform 0.2s, border-color 0.2s; }
    .footer-col a { display: none; padding: 6px 0 6px 0; color: var(--mid); }
    .footer-col.open .chev { transform: rotate(135deg); border-color: var(--black); }
    .footer-col.open a { display: block; }
}