/* ============================================================
   Responsive overrides — mobile, tablet
   ============================================================ */

@media (max-width: 1100px) {
    .header-inner { gap: .8rem; }
    .nav a { padding: .5rem .7rem; font-size: .88rem; }
    .blog-layout { grid-template-columns: 240px 1fr; gap: 1.8rem; }
    .contact-layout { grid-template-columns: 320px 1fr; }
    .dashboard-grid { grid-template-columns: 230px 1fr; }
    .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1.5fr; gap: 2rem; }
}

@media (max-width: 900px) {
    .nav { display: none; }
    .mobile-toggle { display: inline-flex; }
    .mobile-toggle.is-open .material-symbols-outlined { transform: rotate(90deg); }
    .nav.is-open {
        display: flex;
        position: fixed;
        inset: 78px 0 0;
        flex-direction: column;
        align-items: stretch;
        background: var(--bg);
        padding: 1.5rem;
        gap: .25rem;
        border-top: 1px solid var(--border);
        overflow-y: auto;
        animation: slideDown .25s ease;
    }
    .nav.is-open a { padding: 1rem; border-radius: 14px; font-size: 1rem; }

    .home-section,
    .blog-layout,
    .contact-layout,
    .dashboard-grid,
    .auth-shell { grid-template-columns: 1fr; }

    .auth-art-side { min-height: 240px; padding: 3rem 2rem; order: -1; }
    .auth-orbit { width: 180px; height: 180px; margin-bottom: 1.6rem; }
    .auth-form-side { padding: 3rem 1.5rem; }

    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid > :first-child { grid-column: 1 / -1; }

    .blog-sidebar { position: static; }
    .dash-side { position: static; }

    .blog-grid { grid-template-columns: 1fr; }

    .hero { min-height: 88vh; padding-top: 8rem; }
    .hero__stats { grid-template-columns: repeat(2, 1fr); }
    .hero__stat-value { font-size: 1.55rem; }

    .form-row { grid-template-columns: 1fr; }

    .results-meta { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
    .container { padding: 0 1.1rem; }
    section { padding: 4rem 0; }
    .lang-current span { display: none; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-foot { flex-direction: column; text-align: center; }
    .btn { padding: .8rem 1.4rem; font-size: .9rem; }
    h1 { font-size: 2.3rem; }
    .hero h1 { font-size: 2.6rem; }
    .hero__stats { grid-template-columns: 1fr 1fr; padding: 1rem; }
    .hero__sub { font-size: 1rem; }
    .blog-grid { grid-template-columns: 1fr; }
    .results-meta { grid-template-columns: 1fr; }
    #results-chart { height: 280px; }
    .course-card__foot { flex-direction: column; align-items: flex-start; gap: .8rem; }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
}