/* Desktop defaults live in style.css; adapt spacing and navigation below. */
@media (max-width: 75rem) {
  :root {
    --page-gutter: 2rem;
    --section-space: 5.5rem;
  }
  .nav-list { gap: var(--space-3); }
  .hero-layout { gap: var(--space-4); }
}

/* Stack the hero before its columns become cramped on smaller laptops/tablets. */
@media (max-width: 60rem) {
  .case-results-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalog-card { padding: var(--space-3); }
  .testimonials-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .testimonial-card { padding: var(--space-3); }
  .final-contact-panel { grid-template-columns: minmax(0, 1fr); gap: var(--space-4); padding: var(--space-4); }
  .final-contact-actions { flex-direction: row; flex-wrap: wrap; }
  .expertise-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .expertise-card { padding: var(--space-3); }
  .project-card { padding: var(--space-3); }
  .project-card-lead { gap: var(--space-4); }
  .metrics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-layout { grid-template-columns: minmax(0, 1fr); gap: var(--space-5); }
  .hero-content { max-width: 42rem; }
  .hero-heading { max-width: 19ch; font-size: clamp(2.5rem, 6vw, 3.75rem); }
  .hero-visual { max-width: 32rem; justify-self: center; }
}

@media (max-width: 40rem) {
  .case-results-grid, .case-editorial, .case-project-nav { grid-template-columns: minmax(0, 1fr); }
  .case-editorial { gap: var(--space-4); padding-block: var(--space-4); margin-bottom: var(--space-4); }
  .case-neighbor-next { grid-column: auto; text-align: left; }
  .case-evidence { padding: var(--space-1); }
  .case-takeaway { padding: var(--space-3); }
  .catalog-grid { grid-template-columns: minmax(0, 1fr); }
  .testimonials-grid { grid-template-columns: minmax(0, 1fr); }
  .expertise-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 36rem) {
  .metrics-grid { grid-template-columns: minmax(0, 1fr); }
  .metric-card { padding: var(--space-3); }
}

/* Tablet and mobile navigation is a non-modal disclosure. Without JS it stays visible. */
@media (max-width: 48rem) {
  .featured-projects-grid { grid-template-columns: minmax(0, 1fr); }
  .project-card-lead { display: flex; gap: var(--space-4); }
  :root {
    --page-gutter: 1.5rem;
    --section-space: 4rem;
    --header-height: 4.5rem;
  }
  .navbar { flex-wrap: wrap; gap: 0 var(--space-2); padding-block: 0.75rem; }
  .site-nav { width: 100%; }
  .nav-list { align-items: stretch; flex-direction: column; gap: 0; padding-block: var(--space-2); }
  .nav-link { display: flex; min-height: 3rem; padding-inline: var(--space-2); border-radius: var(--radius-small); }
  .nav-link::after { display: none; }
  .nav-link:hover, .nav-link[aria-current="page"] { background: var(--color-accent-soft); }
  .nav-link[aria-current="page"] { box-shadow: inset 2px 0 var(--color-link); }
  .site-header.nav-ready .menu-toggle { display: inline-flex; }
  .site-header.nav-ready .site-nav {
    display: grid;
    grid-template-rows: 0fr;
    visibility: hidden;
    opacity: 0;
  }
  .site-header.nav-ready .nav-panel { min-height: 0; overflow: hidden; }
  .site-header.nav-ready .nav-list { margin-block: var(--space-1); padding: var(--space-1); }
  .site-header.nav-ready.is-menu-open .site-nav { grid-template-rows: 1fr; visibility: visible; opacity: 1; }
  .site-header.nav-ready.is-menu-open .nav-panel { max-height: calc(100dvh - var(--header-height) - var(--space-2)); overflow-y: auto; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: var(--space-4); }
  .footer-brand { grid-column: 1 / -1; }
  .site-footer { padding-top: var(--space-5); }
}

@media (max-width: 30rem) {
  .catalog-card { padding: var(--space-2); }
  .final-contact-panel { padding: var(--space-3); }
  .final-contact-actions { flex-direction: column; }
  .project-card { padding: var(--space-2); }
  :root { --page-gutter: 1.25rem; --section-space: 3rem; }
  .card { padding: var(--space-3); }
  .grid { gap: var(--space-2); }
  .footer-top { gap: var(--space-3); }
  .social-placeholder { align-items: flex-start; flex-direction: column; justify-content: center; gap: 0; padding-block: var(--space-1); }
  .hero-eyebrow { margin-bottom: var(--space-3); }
  .hero-heading { margin-bottom: var(--space-3); }
  .hero-actions { gap: var(--space-1); }
  .hero-actions .btn { flex: 1 1 9rem; padding-inline: var(--space-2); }
  .hero-portrait-frame { padding: 0.375rem; }
}

@media (max-width: 60rem) {
  .contact-layout { grid-template-columns: minmax(0, 1fr); gap: var(--space-4); }
  .contact-method-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); }
}
@media (max-width: 40rem) {
  .contact-fields, .contact-method-list { grid-template-columns: minmax(0, 1fr); }
  .contact-panel { padding: var(--space-3); }
  .contact-method-list { gap: 0; }
}
@media (max-width: 30rem) {
  .contact-panel { padding: var(--space-2); }
  .contact-panel .btn { width: 100%; }
}

/* Homepage only: native swipe rows and tighter spacing below tablet widths. */
.mobile-swipe-hint { display: none; }
@media (max-width: 40rem) {
  .home-page .section { padding-block: 2.5rem; }
  .home-page .section-header { margin-bottom: var(--space-3); }
  .home-page .section-header .eyebrow { margin-bottom: var(--space-2); }
  .home-page .section-header > :last-child { margin-bottom: 0; }
  .home-page .hero-layout { gap: var(--space-3); }
  .home-page .hero-heading { font-size: clamp(2rem, 8.6vw, 2.5rem); margin-bottom: var(--space-2); }
  .home-page .hero-description, .home-page .hero-availability { margin-bottom: var(--space-3); }
  .home-page .hero-visual { max-width: 18rem; justify-self: center; }
  .home-page .hero-actions .btn { min-height: 3rem; }
  .home-page .metrics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; }
  .home-page .metric-card { padding: 0.875rem 0.75rem; }
  .home-page .metric-card::before { width: 1.5rem; margin-bottom: 0.75rem; }
  .home-page .metric-value { font-size: clamp(1.375rem, 5.7vw, 2rem); margin-bottom: var(--space-1); }
  .home-page .metric-label { font-size: 0.875rem; line-height: 1.45; }
  .home-page .mobile-swipe-hint { display: block; margin: 0 0 var(--space-2); color: var(--color-muted); font-size: var(--text-small); }
  .home-page .mobile-swipe {
    display: grid;
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: calc(100% - 1.25rem);
    align-items: start;
    gap: 0.75rem;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: 0.5rem;
    padding: 0.5rem 0.5rem 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--color-input-border) var(--color-bg);
  }
  .home-page .mobile-swipe > * { grid-column: auto; scroll-snap-align: start; min-width: 0; }
  .home-page .project-card { padding: var(--space-2); }
  .home-page .project-card-lead { display: flex; gap: 0; }
  .home-page .project-content h3 { margin-bottom: var(--space-2); }
  .home-page .project-result { margin-bottom: var(--space-2); }
  .home-page .project-result dd { font-size: 2.25rem; }
  .home-page .project-metrics { gap: var(--space-1) var(--space-2); margin-bottom: var(--space-2); padding-block: var(--space-2); }
  .home-page .project-description, .home-page .project-card-lead .project-description { margin-bottom: var(--space-2); }
  .home-page .project-figure { margin-top: 0; }
  .home-page .featured-work-actions { margin-top: var(--space-3); }
  .home-page .expertise-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; }
  .home-page .expertise-card { padding: 0.875rem 0.75rem; }
  .home-page .expertise-marker { width: 2rem; height: 2rem; margin-bottom: var(--space-2); }
  .home-page .expertise-card h3 { font-size: 1.125rem; }
  .home-page .expertise-description { font-size: 0.875rem; line-height: 1.6; margin-bottom: var(--space-2); }
  .home-page .expertise-areas { grid-template-columns: minmax(0, 1fr); padding-top: var(--space-2); }
  .home-page .expertise-areas li { font-size: 0.8125rem; line-height: 1.5; }
  .home-page .testimonial-card { padding: var(--space-2); }
  .home-page .testimonial-status, .home-page .testimonial-quote { margin-bottom: var(--space-2); }
  .home-page .testimonial-attribution { padding-top: var(--space-2); }
  .home-page .final-contact { padding-bottom: 2.5rem; }
  .home-page .final-contact-panel { padding: var(--space-3); gap: var(--space-3); }
  .home-page .final-contact-actions { flex-direction: column; gap: var(--space-1); }
}
@media (max-width: 23.375rem) {
  .home-page .expertise-grid { grid-template-columns: minmax(0, 1fr); }
  .home-page .expertise-areas { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Four demo testimonials form a balanced grid; mobile keeps its native swipe row. */
@media (min-width: 40.001rem) {
  .home-page .testimonials-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}