@media (max-width: 768px) {
    .logo img {
        height: 50px;
    }

    nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.7);
        backdrop-filter: blur(6px);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        display: flex;
        opacity: 0;
        pointer-events: none;
        visibility: hidden;
        transition: none;
    }

    nav.active {
        opacity: 1;
        pointer-events: auto;
        visibility: visible;
        transition: opacity 0.2s ease, transform 0.2s ease;
    }

    .mobile-menu {
        display: block;
    }

    .stickers .content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    section {
        padding: 60px 24px;
    }

    .cta-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .form-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .form-error {
        order: -1;
    }

    footer .social-links {
        display: grid;
        grid-template-columns: 1fr;
        justify-items: center;
        width: 100%;
    }

    footer .social-link {
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }
}