@media(max-width:640px) {
    .top-bar {
        display: none
    }

    .hero h1 {
        font-size: 30px
    }

    .hero-desc {
        font-size: 14px
    }

    .hero-ctas {
        flex-direction: column
    }

    .btn-primary,
    .btn-outline {
        width: 100%;
        justify-content: center
    }

    .slider-frame {
        height: 240px
    }

    .programs-grid {
        grid-template-columns: 1fr
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 24px
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 36px 20px 28px
    }

    .footer-topbar {
        padding: 10px 20px
    }

    .footer-topbar-links a {
        padding: 4px 10px
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 20px
    }

    .newsletter-form {
        flex-direction: column;
        border-radius: 8px
    }

    .network-section {
        padding: 0;
    }

    .newsletter-input {
        border-bottom: 1px solid var(--footer-border)
    }

    .newsletter-btn {
        border-radius: 0;
        padding: 10px
    }

    .cta-buttons {
        flex-direction: column
    }

    .btn-cta-primary,
    .btn-cta-outline {
        width: 100%;
        justify-content: center
    }

    .research-section,
    .programs-section,
    .stats-section,
    .cta-section {
        padding: 52px 20px
    }

    .founder-section {
        padding: 52px 20px;
        gap: 32px
    }

    .hero-left {
        padding: 76px 20px 36px
    }

    .hero-slider {
        padding: 0 20px 48px
    }

    .footer-divider {
        margin: 0 20px
    }
}