@media (max-width: 991px) {
    :root {
        --fs-xxl: 2rem;
        --fs-xl: 1.75rem;
        --fs-lg: 1.25rem;
    }

    .menu-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -300px;
        width: 280px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        padding: 80px 20px 20px;
        transition: right 0.3s ease;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        z-index: 1001;
    }

    .nav-menu.active {
        right: 0;
    }

    body.menu-open::after {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }

    .nav-item {
        width: 100%;
    }

    .nav-link {
        width: 100%;
        padding: 12px 15px;
    }

    .menu-close {
        display: block;
    }

    .menu-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }

    .menu-overlay.active {
        display: block;
    }

    body.menu-open .menu-overlay {
        display: block;
    }

    body.menu-open::after {
        display: none;
    }

    .submenu {
        position: static;
        width: 100%;
        box-shadow: none;
        opacity: 1;
        visibility: hidden;
        height: 0;
        overflow: hidden;
        transform: none;
        transition: height 0.3s ease;
    }

    .submenu-open .submenu {
        visibility: visible;
        height: auto;
    }

    .has-submenu::after {
        content: "\f107";
        font-family: "Font Awesome 5 Free";
        font-weight: 900;
        position: absolute;
        right: 15px;
        top: 12px;
        transition: transform 0.3s;
    }

    .submenu-open.has-submenu::after {
        transform: rotate(180deg);
    }
    .hero-content {
        flex-direction: column;
    }

    .hero-text,
    .hero-image {
        flex: none;
        width: 100%;
    }

    .floating-card {
        position: relative;
        bottom: 0;
        right: 0;
        margin: -50px auto 0;
        max-width: 80%;
    }

    .about-content {
        flex-direction: column;
        gap: 40px;
    }

    .about-text,
    .about-right-column {
        flex: 0 0 100%;
        width: 100%;
        padding-right: 0;
    }

    .about-image-wrapper {
        max-width: 100%;
        margin: 0 auto;
    }

    .about-right-column {
        padding-bottom: 0;
    }

    .stats-grid {
        position: relative;
        bottom: auto;
        margin-top: 30px;
        width: 100%;
    }

    .social-links {
        justify-content: center;
    }

}

@media (max-width: 767px) {
    :root {
        --fs-xxl: 1.75rem;
        --fs-xl: 1.5rem;
        --spacing-xl: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .btn {
        width: 100%;
    }

    .floating-card {
        max-width: 100%;
        margin: 20px 0 0;
    }

    .header-hidden {
        transform: translateY(-100%);
    }

    .section-title {
        font-size: 1.6rem;
    }

    .about-content {
        gap: 30px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        margin-top: 20px;
    }

    .stat-card {
        padding: 15px 10px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .star-rating {
        font-size: 0.8rem;
    }

    .stat-text {
        font-size: 0.8rem;
    }
}