@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
        margin-bottom: var(--spacing-lg);
    }

    .hero__title {
        font-size: 0.6rem;
    }

    .hero__subtitle {
        font-size: 1.1rem;
    }

    .hero__slogan {
        font-size: 1.3rem;
        margin-bottom: var(--spacing-lg);
    }

    .hero__buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .hero__buttons .btn {
        width: 100%;
    }

    .nav__menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--color-secondary);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        border-bottom: 1px solid var(--color-border);
    }

    .nav__menu.active {
        transform: translateX(0);
    }

    .nav__toggle {
        display: flex;
    }

    .nav__toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav__toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav__toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

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

    .comparison-cell {
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }

    .comparison-row:last-child .comparison-cell:last-child {
        border-bottom: none;
    }

    .principle__diagram {
        flex-direction: column;
    }

    .diagram-arrow {
        transform: rotate(90deg);
    }

    .diagram-box {
        width: 100%;
        max-width: 280px;
    }

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

    .use-cases__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .use-case {
        padding: var(--spacing-lg);
    }

    .use-case__icon {
        width: 60px;
        height: 60px;
    }

    .use-case__icon svg {
        width: 30px;
        height: 30px;
    }

    .use-case__title {
        font-size: 1rem;
    }

    .regulatory-item {
        padding: var(--spacing-sm);
    }

    .regulatory-item__icon {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }

    .regulatory-item__text {
        font-size: 1rem;
    }

    .status__current {
        gap: var(--spacing-md);
    }

    .status-item {
        padding: var(--spacing-md);
    }

    .status-item__title {
        font-size: 0.9rem;
    }

    .status-item__value {
        font-size: 1.1rem;
    }

    .status__roadmap {
        padding: var(--spacing-lg);
    }

    .roadmap__title {
        font-size: 1.2rem;
    }

    .roadmap-item {
        flex-direction: column;
        padding: var(--spacing-sm);
    }

    .roadmap-item__period {
        font-size: 0.9rem;
        min-width: auto;
    }

    .roadmap-item__description {
        font-size: 1rem;
    }

    .investors__data {
        gap: var(--spacing-md);
    }

    .investor-metric {
        padding: var(--spacing-md);
    }

    .investor-metric__value {
        font-size: 1.5rem;
    }

    .investor-metric__value--text {
        font-size: 1.1rem;
    }

    .founder__photo-placeholder {
        min-height: 250px;
    }

    .founder__name {
        font-size: 1.5rem;
    }

    .founder__role {
        font-size: 1.1rem;
    }

    .founder__theses li {
        font-size: 1rem;
    }

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

    .contact__form-wrapper {
        padding: var(--spacing-lg);
    }

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

    .form-input,
    .form-select,
    .form-textarea {
        padding: 0.75rem;
        font-size: 0.95rem;
    }

    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }

    html {
        scroll-padding-top: 100px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero__title {
        font-size: 1rem;
        line-height: 1.2;
    }

    .hero__subtitle {
        font-size: 1rem;
    }

    .hero__slogan {
        font-size: 1.2rem;
    }

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

    .nav__container {
        padding: var(--spacing-sm) var(--spacing-sm);
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .lang-switcher {
        padding: 0.375rem 0.75rem;
        font-size: 0.875rem;
        margin-left: 0;
    }

    .comparison-table {
        border-radius: var(--border-radius-md);
    }

    .comparison-cell {
        padding: var(--spacing-sm);
        font-size: 1rem;
    }

    .diagram-box {
        padding: var(--spacing-md);
        font-size: 1rem;
        min-width: 150px;
    }

    .thesis__title {
        font-size: 1rem;
    }

    .principle__explanation,
    .regulatory__explanation {
        font-size: 1rem;
    }

    .use-case {
        padding: var(--spacing-md);
    }

    .footer__copyright {
        font-size: 0.8rem;
    }
}

@media (max-width: 320px) {
    .hero__title {
        font-size: 1.75rem;
    }

    .hero__slogan {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.25rem;
    }

    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
    }

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

@media (min-width: 1441px) {
    .hero__title {
        font-size: 5rem;
    }

    .hero__subtitle {
        font-size: 1.75rem;
    }

    .hero__slogan {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 3rem;
    }

    .container {
        padding: 0 var(--spacing-xl);
    }

    .use-cases__grid,
    .investors__data,
    .status__current {
        gap: var(--spacing-xl);
    }

    .founder__photo-wrapper {
        max-width: 500px;
    }
    
    .hero__title {
        font-size: 3.6rem !important;
    }
    
}