@media (max-width: 1200px) {
    .hero__title {
        font-size: 3.5rem;
    }

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

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

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

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

@media (max-width: 992px) {
    .nav__list {
        display: none;
    }

    .nav__cta {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero__title {
        font-size: 3rem;
    }

    .hero__subtitle {
        font-size: 1.3rem;
    }

    .hero__stats {
        gap: 40px;
    }

    .hero__stat-number {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .features__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .feature-card {
        padding: 30px 20px;
    }

    .feature-card__icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }

    .services-preview__grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .team__grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .testimonial-card {
        min-width: 100%;
    }

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

    .footer__brand {
        max-width: 100%;
        text-align: center;
    }

    .footer__logo {
        justify-content: center;
    }

    .footer__links {
        align-items: center;
    }

    .footer__contact-item {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .hero {
        min-height: 600px;
    }

    .hero__title {
        font-size: 2.5rem;
    }

    .hero__subtitle {
        font-size: 1.2rem;
    }

    .hero__description {
        font-size: 1rem;
    }

    .hero__buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero__buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .hero__stats {
        flex-direction: column;
        gap: 30px;
    }

    .hero__stat-number {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 40px;
    }

    .features {
        padding: 80px 0;
    }

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

    .service-card__image {
        height: 200px;
        font-size: 4rem;
    }

    .service-card__content {
        padding: 24px;
    }

    .brands {
        padding: 80px 0;
    }

    .brands__grid {
        gap: 30px;
    }

    .brand-item {
        padding: 16px 24px;
    }

    .team {
        padding: 80px 0;
    }

    .team-card {
        padding: 30px;
    }

    .team-card__avatar {
        width: 100px;
        height: 100px;
        font-size: 2.5rem;
    }

    .testimonials {
        padding: 80px 0;
    }

    .cta {
        padding: 80px 0;
    }

    .cta__title {
        font-size: 2rem;
    }

    .cta__phone {
        font-size: 1.5rem;
    }

    .footer {
        padding: 60px 0 30px;
    }

    .btn {
        padding: 14px 32px;
        font-size: 0.95rem;
        min-width: 160px;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 2rem;
    }

    .hero__subtitle {
        font-size: 1rem;
    }

    .hero__description {
        font-size: 0.9rem;
    }

    .hero__stat-number {
        font-size: 2rem;
    }

    .hero__stat-label {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .feature-card__title {
        font-size: 1.3rem;
    }

    .feature-card__text {
        font-size: 0.95rem;
    }

    .service-card__title {
        font-size: 1.3rem;
    }

    .service-card__text {
        font-size: 0.95rem;
    }

    .brand-item__logo {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .brand-item__name {
        font-size: 1rem;
    }

    .team-card__name {
        font-size: 1.3rem;
    }

    .team-card__role {
        font-size: 0.95rem;
    }

    .team-card__text {
        font-size: 0.95rem;
    }

    .testimonial-card {
        padding: 30px 24px;
    }

    .testimonial-card::before {
        font-size: 4rem;
        top: 10px;
        left: 20px;
    }

    .testimonial-card__text {
        font-size: 1rem;
    }

    .cta__title {
        font-size: 1.8rem;
    }

    .cta__subtitle {
        font-size: 1rem;
    }

    .footer__title {
        font-size: 1.1rem;
    }

    .footer__description {
        font-size: 0.95rem;
    }

    .btn {
        padding: 12px 28px;
        font-size: 0.9rem;
        min-width: 140px;
    }
}

.mobile-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: rgba(10, 25, 47, 0.98);
    backdrop-filter: blur(10px);
    padding: 20px;
    z-index: 999;
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.mobile-nav.active {
    display: block;
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav__list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mobile-nav__link {
    color: var(--text-light);
    font-size: 1.2rem;
    font-weight: 500;
    padding: 12px 0;
    display: block;
    text-align: center;
    transition: var(--transition-smooth);
}

.mobile-nav__link:hover {
    color: var(--primary-blue);
}

.mobile-nav__cta {
    margin-top: 20px;
    text-align: center;
}

.mobile-nav__cta .btn {
    width: 100%;
}