/* ========================================
   MOBILE (up to 639px)
   ======================================== */

@media (max-width: 639px) {
    .hero .container {
        min-height: auto;
        padding-top: 7rem;
        padding-bottom: 3rem;
    }

    .hero__stats {
        flex-wrap: wrap;
    }

    .hero__stat {
        flex: 1;
        min-width: 120px;
    }

    .grid--2,
    .grid--3,
    .grid--4 {
        grid-template-columns: 1fr;
    }

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

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

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

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

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

    .contact-info {
        order: -1;
    }

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

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

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

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

    .highlight--reverse {
        direction: ltr;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--gap-lg);
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--gap-sm);
        text-align: center;
    }

    .build-card {
        min-height: 250px;
    }
}

/* ========================================
   MOBILE NAV
   ======================================== */

@media (max-width: 1023px) {
    .nav__toggle {
        display: flex;
    }

    .nav__links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        align-items: stretch;
        padding: 5rem 2rem 2rem;
        gap: 0.25rem;
        transition: right var(--transition-base);
        box-shadow: var(--shadow-elevated);
        z-index: var(--z-overlay);
    }

    .nav__links.active {
        right: 0;
    }

    .nav__link {
        color: var(--color-text-primary);
        padding: 0.75rem 1rem;
        font-size: var(--font-size-body);
    }

    .nav__link:hover,
    .nav__link--active {
        color: var(--color-brand-blue);
        background: rgba(43, 108, 176, 0.06);
    }

    .nav__cta {
        margin-left: 0;
        margin-top: var(--gap-sm);
    }

    .nav__cta .btn {
        width: 100%;
        justify-content: center;
    }

    .nav__overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(27, 43, 58, 0.5);
        z-index: calc(var(--z-overlay) - 1);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-base), visibility var(--transition-base);
    }

    .nav__overlay.active {
        opacity: 1;
        visibility: visible;
    }
}

/* ========================================
   TABLET (640px - 1023px)
   ======================================== */

@media (min-width: 640px) and (max-width: 1023px) {
    .hero .container {
        min-height: auto;
        padding-top: 7rem;
    }

    .grid--3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

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

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

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

/* ========================================
   DESKTOP (1024px+)
   ======================================== */

@media (min-width: 1024px) {
    .nav__toggle {
        display: none;
    }

    .nav__links {
        display: flex;
    }
}