/* Mobile-first refinements shared by every page. */
@media (max-width: 760px) {
  body { overflow-x: hidden; }
  .header, .site-header { height: 72px; padding: 0 18px; gap: 12px; }
  .header .brand img, .site-header .brand img { width: 122px; height: 48px; }
  .menu-toggle { width: 42px; height: 42px; display: grid; place-content: center; gap: 5px; padding: 0; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; background: transparent; cursor: pointer; }
  .menu-toggle span { display: block; width: 18px; height: 2px; background: #fff; transition: transform .2s ease, opacity .2s ease; }
  .menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle.is-open span:nth-child(2) { opacity: 0; }
  .menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .header nav, .site-header nav { display: none; }
  .header nav.is-open, .site-header nav.is-open { position: fixed; z-index: 100; top: 72px; left: 0; right: 0; display: grid; gap: 0; margin: 0; padding: 12px 18px 20px; background: #252936; box-shadow: 0 16px 28px #0005; }
  .header nav.is-open a, .site-header nav.is-open a { display: block; padding: 14px 7px; border-bottom: 1px solid rgba(255,255,255,.13); color: #fff; font-size: 15px; opacity: 1; }
  .header .search { display: none; }
  .header .language-switcher, .site-header .language-switcher { margin-left: auto; }
  .site-header .contact-link { display: none; }
  .hero { min-height: 580px; }
  .hero-slide { padding: 145px 24px 74px; background-position: 62% center; }
  .hero-slide h1 { max-width: 100%; font-size: clamp(42px, 13vw, 61px); }
  .hero-slide span { max-width: 32rem; font-size: 16px; line-height: 1.55; }
  .hero-slide a { margin-top: 26px; }
  .slider-labels { right: 18px; bottom: 22px; gap: 7px; }
  .references { padding: 56px 18px; }
  .references-head { display: grid; gap: 18px; }
  .references-head h2 { font-size: clamp(40px, 13vw, 58px); }
  .reference-count { justify-self: start; }
  .reference-grid { min-height: 1090px; }
  .reference-card, .reference-card:first-child { padding: 18px; gap: 18px; }
  .reference-card img, .reference-card:first-child img { height: 260px; }
  .reference-card h3 { font-size: 29px; }
  .reference-meta { gap: 7px; }
  .reference-meta span { font-size: 11px; }
  .section, .sector, .partners, .contact { padding-left: 18px; padding-right: 18px; }
  .vision-grid, .sector { grid-template-columns: 1fr; gap: 30px; }
  .vision-image { min-height: 380px; }
  .services-grid.services-grid-detailed { grid-template-columns: 1fr; }
  .services-grid.services-grid-detailed article { padding: 28px 22px; }
  .partner-title { display: grid; gap: 18px; }
  .partner-title aside { justify-self: start; }
  .marquee { margin-left: -18px; margin-right: -18px; }
  .contact { grid-template-columns: 1fr; padding-left: 0; padding-right: 0; }
  .contact > div:first-child { padding: 58px 24px; }
  .contact-form-panel { padding: 42px 24px; }
  .intro { padding: 44px 18px 34px; }
  .intro h1 { font-size: clamp(34px, 11vw, 47px); }
  .expertise-grid { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 14px; padding: 0 18px 34px; }
  .expertise { flex: 0 0 min(84vw, 330px); min-height: 530px; scroll-snap-align: center; }
  .commitments { grid-template-columns: 1fr; gap: 10px; padding: 0 18px; }
  .commitments article { border-radius: 14px !important; }
  footer { grid-template-columns: 1fr; gap: 25px; padding: 38px 24px; }
}

@media (max-width: 390px) {
  .reference-grid { min-height: 1160px; }
  .hero-slide { padding-left: 19px; padding-right: 19px; }
  .language-switcher button { padding: 6px 6px; }
}