@media (max-width: 768px) {
    html,
    body {
        width: 100%;
        overflow-x: hidden;
    }

    .hero {
        min-height: 0;
        padding: 112px 18px 64px;
    }

    .hero-hub {
        width: min(72vw, 260px);
        height: min(72vw, 260px);
        margin-bottom: 28px;
    }

    .hero-content h2 {
        font-size: 24px;
    }

    .hero-headline {
        margin: 24px 0 22px;
        font-size: clamp(28px, 8vw, 38px);
        line-height: 1.2;
        word-break: keep-all;
    }

    .hero-btns {
        width: 100%;
        max-width: 360px;
    }

    .business-matrix,
    .summary,
    .portfolio,
    .certs,
    .inquiry {
        width: 100%;
        padding: 58px 18px;
    }

    .matrix-grid,
    .pill-container {
        width: 100%;
    }

    .matrix-grid {
        margin-top: 36px;
    }

    .pill-container {
        flex-direction: column;
        gap: 12px;
    }

    .business-pill,
    .business-pill:first-child {
        width: 100%;
        max-width: 340px;
        height: 76px;
        margin-left: 0;
        border-radius: 12px;
    }

    .pill-details {
        max-width: 340px;
        margin: 22px auto 0;
    }

    .summary {
        gap: 34px;
    }

    .summary-stats {
        gap: 12px;
    }

    .stat-card {
        padding: 24px 20px;
    }

    .stat-value {
        font-size: 38px;
    }

    .portfolio-header {
        flex-direction: column;
        align-items: stretch;
        gap: 24px;
        margin-bottom: 30px;
    }

    .portfolio-tabs {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: 100%;
    }

    .tab {
        width: 100%;
        padding: 10px 8px;
    }

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

    .project-image {
        height: 220px;
    }

    .project-info {
        padding: 20px;
    }

    .certs-list {
        flex-direction: column;
        margin-top: 28px;
    }

    .cert-item {
        width: 100%;
        padding: 24px 16px;
        border-right: 0;
        border-bottom: 1px solid var(--border);
    }

    .cert-item:last-child {
        border-bottom: 0;
    }

    .cert-icon {
        width: 54px;
        height: 54px;
        margin-bottom: 16px;
    }

    .inquiry-container {
        grid-template-columns: minmax(0, 1fr);
        gap: 38px;
    }

    .inquiry-title {
        font-size: clamp(30px, 8vw, 38px);
    }

    .inquiry-phone {
        font-size: 20px;
    }
}

@media (max-width: 380px) {
    .hero-hub {
        width: 230px;
        height: 230px;
    }

    .portfolio-tabs {
        grid-template-columns: 1fr;
    }
}