main{
    margin-top: 85px;
}

/* Accessibility helper */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

main {
    background: var(--primary-color);
}

.eyebrow {
    color: var(--accent-color);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin: 0 0 14px;
}

.section-title {
    font-family: var(--main-font);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--black);
    margin: 0 0 18px;
    line-height: 1.2;
}

.section-paragraph {
    font-size: 1rem;
    color: var(--black);
    opacity: 0.75;
    line-height: 1.6;
    margin: 0 0 28px;
    max-width: 560px;
}

.about-hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 40px 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-family: var(--main-font);
    font-size: 3rem;
    font-weight: 700;
    color: var(--black);
    line-height: 1.1;
    margin: 0 0 20px;
}

.hero-paragraph {
    font-size: 1rem;
    color: var(--black);
    opacity: 0.75;
    line-height: 1.6;
    margin: 0 0 36px;
    max-width: 520px;
}

.hero-features {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.hero-feature {
    display: flex;
    gap: 18px;
    align-items: flex-start;
}

.hero-feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-feature-icon img {
    max-width: 24px;
    max-height: 24px;
}

.hero-feature-text h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--black);
    margin: 0 0 4px;
}

.hero-feature-text p {
    font-size: 0.9rem;
    color: var(--black);
    opacity: 0.7;
    line-height: 1.5;
    margin: 0;
}

.about-hero-illustration {
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    aspect-ratio: 1 / 1;
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
}

.about-hero-illustration img {
    max-width: 80%;
    max-height: 80%;
}

.stats-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px 60px;
}

.stats-list {
    list-style: none;
    margin: 0;
    padding: 36px 28px;
    background: var(--white);
    border: 2px solid var(--secondary-color);
    border-radius: 24px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat {
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon img {
    max-width: 24px;
    max-height: 24px;
}

.stat-text {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--black);
    line-height: 1.1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--black);
    opacity: 0.65;
    margin-top: 2px;
}

.mission-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 40px 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.mission-checklist {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.check-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.check-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    margin-top: 2px;
}

.check-text h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--black);
    margin: 0 0 4px;
}

.check-text p {
    font-size: 0.9rem;
    color: var(--black);
    opacity: 0.7;
    line-height: 1.5;
    margin: 0;
}

.differentiators {
    background: var(--secondary-color);
    border-radius: 20px;
    padding: 32px;
}

.differentiators-title {
    font-family: var(--main-font);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--black);
    margin: 0 0 22px;
}

.differentiator-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.differentiator {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.differentiator-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
}

.differentiator-icon img {
    max-width: 20px;
    max-height: 20px;
}

.differentiator-text h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--black);
    margin: 0 0 4px;
}

.differentiator-text p {
    font-size: 0.875rem;
    color: var(--black);
    opacity: 0.7;
    line-height: 1.5;
    margin: 0;
}

.developer-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 40px 80px;
}

.developer-card {
    margin-top: 20px;
    background: var(--white);
    border: 2px solid var(--secondary-color);
    border-radius: 24px;
    padding: 48px;
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 48px;
    align-items: center;
}

.developer-photo {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: var(--secondary-color);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.developer-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.developer-content {
    display: flex;
    flex-direction: column;
}

.developer-name {
    font-family: var(--main-font);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--black);
    margin: 0 0 4px;
}

.developer-role {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent-color);
    margin: 0 0 18px;
}

.developer-bio {
    font-size: 0.95rem;
    color: var(--black);
    opacity: 0.8;
    line-height: 1.6;
    margin: 0 0 14px;
}

.developer-bio:last-of-type {
    margin-bottom: 22px;
}

.developer-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.developer-link {
    padding: 10px 20px;
    background: var(--accent-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: 0.3s ease-in-out;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.developer-link:hover {
    transform: scale(102%);
}

.developer-link-secondary {
    background: var(--secondary-color);
    color: var(--accent-color);
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
    font-weight: 700;
    font-style: italic;
}

.testimonials-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 40px 80px;
}

.testimonials-section .section-title {
    margin-bottom: 40px;
}

.testimonials-carousel {
    position: relative;
}

.testimonials-track {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial {
    background: var(--white);
    border: 2px solid var(--secondary-color);
    border-radius: 20px;
    padding: 28px 28px 24px;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease-in-out, border-color 0.3s ease-in-out;
}

.testimonial:hover {
    transform: translateY(-4px);
    border-color: var(--tertiary-color);
}

.testimonial-quote-mark {
    color: var(--accent-color);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 8px;
    font-family: serif;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--black);
    opacity: 0.85;
    line-height: 1.6;
    margin: 0 0 24px;
    flex-grow: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--secondary-color);
}

.testimonial-avatar {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.testimonial-author-text {
    display: flex;
    flex-direction: column;
}

.testimonial-author-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--black);
}

.testimonial-author-role {
    font-size: 0.85rem;
    color: var(--black);
    opacity: 0.6;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 32px;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: none;
    background: var(--secondary-color);
    cursor: pointer;
    padding: 0;
    transition: background 0.3s ease-in-out, width 0.3s ease-in-out;
}

.carousel-dot:hover {
    background: var(--tertiary-color);
}

.carousel-dot.is-active {
    background: var(--accent-color);
    width: 24px;
    border-radius: 50px;
}

.carousel-dot:focus-visible {
    outline: 3px solid var(--tertiary-color);
    outline-offset: 2px;
}

.cta-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px 80px;
}

.cta-banner {
    background: var(--secondary-color);
    border-radius: 24px;
    padding: 32px 40px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 28px;
    align-items: center;
}

.cta-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cta-icon img {
    max-width: 32px;
    max-height: 32px;
}

.cta-title {
    font-family: var(--main-font);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--black);
    margin: 0 0 4px;
}

.cta-subtitle {
    font-size: 0.95rem;
    color: var(--black);
    opacity: 0.7;
    margin: 0;
}

.cta-buttons {
    display: flex;
    gap: 12px;
}

.cta-buttons .primary-btn,
.cta-buttons .secondary-btn {
    padding: 12px 24px;
    font-size: 0.95rem;
}

@media (max-width: 980px) {
    .about-hero {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 60px 32px 40px;
        text-align: center;
    }

    .about-hero-content {
        order: 1;
    }

    .about-hero-illustration {
        order: 0;
        max-width: 360px;
    }

    .hero-features {
        text-align: left;
    }

    .hero-paragraph {
        margin-left: auto;
        margin-right: auto;
    }

    .stats-list {
        grid-template-columns: repeat(2, 1fr);
        padding: 28px 24px;
    }

    .mission-section {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 40px 32px 60px;
    }

    .developer-section,
    .testimonials-section {
        padding-left: 32px;
        padding-right: 32px;
    }

    .developer-card {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 36px 28px;
        text-align: center;
    }

    .developer-photo {
        margin: 0 auto;
    }

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

    .testimonials-track {
        grid-template-columns: 1fr;
    }

    .testimonial:nth-child(n + 2) {
        display: none;
    }

    .testimonials-track.show-slide-1 .testimonial:nth-child(1) { display: none; }
    .testimonials-track.show-slide-1 .testimonial:nth-child(2) { display: flex; }
    .testimonials-track.show-slide-2 .testimonial:nth-child(1),
    .testimonials-track.show-slide-2 .testimonial:nth-child(2) { display: none; }
    .testimonials-track.show-slide-2 .testimonial:nth-child(3) { display: flex; }

    .cta-banner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 20px;
        padding: 28px 24px;
    }

    .cta-icon {
        margin: 0 auto;
    }

    .cta-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .hero-title {
        font-size: 2.25rem;
    }
}

@media (max-width: 560px) {
    .about-hero {
        padding: 40px 20px 24px;
    }

    .stats-section,
    .cta-section {
        padding-left: 20px;
        padding-right: 20px;
    }

    .stats-list {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .mission-section,
    .developer-section,
    .testimonials-section {
        padding-left: 20px;
        padding-right: 20px;
    }

    .hero-title {
        font-size: 1.85rem;
    }

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

    .differentiators {
        padding: 24px;
    }

    .developer-photo {
        width: 160px;
        height: 160px;
    }
}