@media (max-width: 767px) {
    .brand-text {
        display: none;
    }

    .brand-logo {
        width: 40px;
        height: 40px;
    }

    .header-cta {
        padding: 8px 14px;
        font-size: 0.85rem;
        margin-left: auto;
    }

    .site-nav {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        border-top: 1px solid rgba(47, 47, 47, 0.08);
        border-bottom: 1px solid rgba(47, 47, 47, 0.08);
        flex-direction: column;
        padding: 16px 0;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    }

    .site-nav.nav-open {
        display: flex;
    }

    .site-nav a {
        padding: 12px 24px;
        font-size: 1rem;
        color: var(--color-graphite);
    }

    .site-nav a:hover {
        background-color: var(--color-beige);
    }

    .header-inner {
        position: relative;
    }

    .footer-nip {
        display: block;
        margin-left: 0;
        margin-top: 4px;
    }
}

@media (min-width: 768px) {
    section {
        padding: 88px 0;
    }

    h1 {
        font-size: 3.5rem;
    }

    .brand {
        max-width: none;
        font-size: 1.05rem;
    }

    .mobile-menu-btn {
        display: none;
    }

    .site-nav {
        display: flex;
        align-items: center;
        gap: 24px;
        position: static;
        background: transparent;
        border: none;
        box-shadow: none;
        padding: 0;
    }

    .site-nav a {
        font-size: 0.95rem;
        color: rgba(47, 47, 47, 0.88);
        transition: color 0.2s ease;
        padding: 0;
    }

    .site-nav a:hover {
        color: var(--color-green);
    }

    .sticky-cta {
        display: none;
    }

    .hero-grid {
        grid-template-columns: 1fr 1fr;
        gap: 48px;
    }

    .hero-actions {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .problem-grid {
        grid-template-columns: 0.9fr 1.1fr;
        gap: 48px;
    }

    .solution-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .process-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .mounting-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .for-whom-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .why-us-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }

    .hero-section {
        min-height: 720px;
    }

    .hero-content h1 {
        font-size: 3.75rem;
    }

    .hero-content-wrap {
        padding: 120px 0;
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1.2fr 1.2fr;
        gap: 48px;
    }
}