@media (max-width: 768px) {
        :root {
            --header-margin: 20px;
            --main-margin: 60px;
            --title-font-size: 2.5rem;
            --paragraph-font-size: 1rem;
            --button-font-size: 14px;
            --button-gap: 20px;
            --paragraph-margin-bottom: 30px;
        }

        header {
            margin: 8px 15px;
            padding: 12px 15px;
        }

        .logo-container {
            flex-direction: row;
            width: 100%;
            justify-content: space-between;
            align-items: center;
            gap: 0;
        }

        .logo {
            height: 40px;
        }

        .logo-separator {
            display: none;
        }

        nav ul {
            display: none;
        }

        .mobile-contact-btn {
            display: flex;
            font-size: 12px;
        }

        main {
            margin: calc(60px + 140px) auto;
            padding: 0 15px;
        }

        h1 {
            font-size: 2.5rem;
            line-height: 1.2;
        }

        p {
            font-size: 1rem;
            margin-bottom: 30px;
        }

        .buttons-container {
            gap: 20px;
            margin-bottom: 50px;
            flex-direction: column;
            align-items: center;
        }

        .btn-primary, .btn-portfolio, .cta-button, .cta-button-large {
            padding: 16px 30px;
            font-size: 14px;
            width: 100%;
            max-width: 280px;
        }

        .rectangular-container {
            flex-direction: column;
            gap: 40px;
            padding: 40px 25px;
            margin-bottom: 60px;
            margin-top: -60px;
        }

        .text-content {
            text-align: center;
        }

        .title-large {
            font-size: 2.2rem;
        }

        .description-text {
            text-align: center;
            margin: 0 auto;
            font-size: 1.1rem;
        }

        .section-image {
            width: 100%;
            height: 300px;
            max-width: 400px;
        }

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

        .comparison-box {
            max-width: 100%;
            width: 100%;
        }

        .comparison-title {
            font-size: 2.2rem;
        }

        .about-container {
            flex-direction: column;
            gap: 40px;
            margin-bottom: 60px;
            margin-top: -40px;
        }

        .about-image {
            width: 100%;
            height: 300px;
            max-width: 400px;
        }

        .about-title {
            font-size: 2.2rem;
            text-align: center;
        }

        .about-content {
            text-align: center;
        }

        .benefits-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .benefit-card--wide {
            grid-column: span 1;
            flex-direction: column;
            padding: 0 20px;
        }

        .benefit-image--wide {
            width: 100%;
            height: 200px;
            padding: 15px;
        }

        .benefit-card--speed .benefit-image {
            height: 180px;
        }

        .process-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .process-card {
            padding: 25px 20px;
        }

        .process-title {
            font-size: 2.2rem;
        }

        .plans-grid-black {
            grid-template-columns: 1fr;
            gap: 25px;
        }

        .plans-title-black {
            font-size: 2.2rem;
        }

        .plan-card-black {
            padding: 30px 20px;
        }

        .faq-container {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .faq-title {
            font-size: 2.2rem;
        }

        .doubts-section {
            flex-direction: column-reverse;
            gap: 40px;
            text-align: center;
        }

        .doubts-content {
            order: 2;
        }

        .doubts-image {
            order: 1;
            width: 100%;
            height: 400px;
            max-width: 400px;
            margin-right: 0;
        }

        .doubts-title {
            font-size: 2.2rem;
        }

        .doubts-button-container {
            margin-top: 30px;
        }

        footer {
            padding: 40px 20px 20px;
            text-align: center;
        }

        .footer-container {
            flex-direction: column;
            gap: 30px;
            align-items: center;
            text-align: center;
        }

        .footer-logo {
            align-items: center;
            order: 1;
            width: 100%;
        }

        .footer-logo img {
            width: 100px;
            height: 35px;
        }

        .footer-developed {
            display: none;
        }
        
        .footer-bottom {
            justify-content: center;
            text-align: center;
        }

        .company-info {
            font-size: 0.8rem;
            line-height: 1.5;
            text-align: center;
            width: 100%;
        }

        .company-info p {
            margin-bottom: 8px;
            font-size: 0.8rem !important;
            text-align: center;
        }

        .footer-contacts {
            order: 2;
            align-items: center;
            gap: 20px;
            width: 100%;
            display: flex;
            flex-direction: column;
        }

        .contact-item {
            justify-content: center;
            font-size: 0.95rem;
            gap: 12px;
            text-align: center;
            width: 100%;
            display: flex;
            align-items: center;
        }

        .contact-item i {
            font-size: 1.1rem;
        }

        .social-links {
            justify-content: center;
            gap: 12px;
            margin-top: 20px;
            width: 100%;
            display: flex;
        }

        .social-link {
            width: 40px;
            height: 40px;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .footer-bottom {
            margin-top: 30px;
            padding-top: 20px;
            order: 3;
            width: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .footer-bottom p {
            font-size: 0.8rem !important;
            text-align: center;
        }

        .cta-container {
            margin: -50px auto;
            padding: 40px 25px;
        }

        .cta-title {
            font-size: 2.2rem;
        }

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

        .cta-button, .cta-button-large {
            width: 100%;
            max-width: 280px;
        }

        .carousel-item {
            width: 250px;
            padding: 10px;
        }

        .carousel-text {
            font-size: 0.9rem;
            padding: 12px;
        }

        .carousel-container {
            gap: 20px;
            animation: carouselScrollMobile 25s linear infinite;
            margin-top: -20px;
        }

        @keyframes carouselScrollMobile {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(calc(-270px * 4));
            }
        }

        .divider {
            margin: 10px 0;
        }

        .footer-logo,
        .footer-contacts,
        .footer-bottom {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .company-info br {
            display: block;
        }
    }

    @media (max-width: 400px) {
        :root {
            --header-margin: 15px;
            --main-margin: 40px;
            --title-font-size: 2rem;
            --paragraph-font-size: 0.9rem;
            --button-font-size: 13px;
        }

        header {
            margin: 8px 15px;
            padding: 12px 15px;
        }

        .logo {
            height: 35px;
        }

        .mobile-contact-btn {
            padding: 10px 16px;
            font-size: 12px;
            margin-right: 10px;
        }

        main {
            margin: calc(40px + 140px) auto;
            padding: 0 10px;
        }

        h1 {
            font-size: 2rem;
            margin-bottom: 15px;
        }

        p {
            font-size: 0.9rem;
            margin-bottom: 25px;
        }

        .buttons-container {
            margin-bottom: 40px;
        }

        .btn-primary, .btn-portfolio, .cta-button, .cta-button-large {
            padding: 14px 25px;
            font-size: 13px;
            max-width: 250px;
            min-height: 48px;
        }

        .rectangular-container {
            padding: 30px 20px;
            margin-bottom: 40px;
            gap: 30px;
            margin-top: -80px;
        }

        .title-large {
            font-size: 1.8rem;
            margin-bottom: 20px;
        }

        .description-text {
            font-size: 1rem;
        }

        .section-image {
            height: 250px;
        }

        .comparison-title {
            font-size: 1.8rem;
            margin-bottom: 40px;
        }

        .comparison-box {
            padding: 25px 20px;
        }

        .box-title {
            font-size: 1.5rem;
        }

        .about-container {
            margin-bottom: 40px;
            gap: 30px;
            margin-bottom: 60px;
        }

        .about-image {
            height: 250px;
        }

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

        .about-text {
            font-size: 1rem;
        }

        .benefits-title {
            font-size: 1.8rem;
            margin-bottom: 40px;
        }

        .benefit-content {
            padding: 20px 15px;
        }

        .benefit-text {
            font-size: 0.9rem;
        }

        .benefit-image {
            height: 140px;
            padding: 12px;
        }

        .benefit-card--speed .benefit-image {
            height: 160px;
        }

        .benefit-image--wide {
            height: 180px;
        }

        .benefit-card--multiple .benefit-image img {
            width: 100%;
            max-width: 250px;
            height: 150px;
        }

        .process-title {
            font-size: 1.8rem;
            margin-bottom: 40px;
        }

        .process-card {
            padding: 20px 15px;
        }

        .icon-container {
            width: 50px;
            height: 50px;
            margin-bottom: 20px;
        }

        .icon-inner {
            font-size: 28px;
        }

        .process-card h3 {
            font-size: 1.3rem;
        }

        .process-description {
            font-size: 0.9rem;
        }

        .plans-title-black {
            font-size: 1.8rem;
        }

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

        .plan-card-black {
            padding: 25px 15px;
        }

        .plan-name-black {
            font-size: 1.5rem;
        }

        .plan-price-black {
            font-size: 2.5rem;
        }

        .plan-btn-black {
            padding: 16px 25px;
            font-size: 13px;
        }

        .payment-flag-black {
            max-width: 150px;
        }

        .faq-title {
            font-size: 1.8rem;
            margin-bottom: 40px;
        }

        .faq-question {
            padding: 15px;
            min-height: 60px;
        }

        .faq-question h3 {
            font-size: 1rem;
        }

        .doubts-section {
            margin: 40px auto;
            gap: 30px;
        }

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

        .doubts-image {
            height: 300px;
            max-width: 300px;
        }

        .cta-button-large {
            padding: 16px 25px;
            font-size: 1rem;
        }

        footer {
            padding: 30px 15px 15px;
        }

        .footer-container {
            gap: 25px;
        }

        .footer-logo img {
            width: 90px;
            height: 30px;
        }

        .company-info {
            font-size: 0.75rem;
        }

        .company-info p {
            font-size: 0.75rem !important;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .company-info br {
            display: block;
        }

        .contact-item {
            font-size: 0.85rem;
            flex-direction: column;
            gap: 6px;
        }

        .flags-container {
            gap: 8px;
        }

        .flag {
            font-size: 1.4rem;
        }

        .social-links {
            gap: 10px;
        }

        .social-link {
            width: 38px;
            height: 38px;
            font-size: 1.1rem;
        }

        .footer-bottom p {
            font-size: 0.75rem !important;
        }

        .cta-container {
            margin: 40px auto;
            padding: 30px 20px;
        }

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

        .cta-subtitle {
            font-size: 1rem;
            margin-bottom: 30px;
        }

        .carousel-item {
            width: 220px;
        }

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

        .carousel-container {
            margin-top: -20px;
        }
    }