/* ===== Mobile-first responsive overrides ===== */

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: repeat(3, 1fr); }
  .benefits { grid-template-columns: repeat(2, 1fr); }
  .hero__grid { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual { min-height: 380px; max-width: 520px; margin: 0 auto; width: 100%; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .nav__links, .nav__cta .btn { display: none; }
  .hamburger { display: flex; }
  .nav__menu-mobile {
    position: fixed; inset: 76px 0 0 0;
    background: rgba(248,250,251,.98); backdrop-filter: blur(20px);
    transform: translateX(100%); transition: transform .3s ease;
    padding: 32px 24px; display: flex; flex-direction: column; gap: 8px;
    z-index: 99; overflow-y: auto;
  }
  .nav__menu-mobile.open { transform: translateX(0); }
  .nav__menu-mobile a {
    padding: 14px 16px; border-radius: 12px; color: var(--text);
    font-family: var(--font-head); font-weight: 600; font-size: 1.05rem;
    border: 1px solid transparent;
  }
  .nav__menu-mobile a:hover, .nav__menu-mobile a.active { background: var(--card-solid); border-color: var(--border); color: var(--primary); }
  .nav__menu-mobile .btn { margin-top: 16px; justify-content: center; }
}

@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .hero { padding: 56px 0 40px; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .service-block { grid-template-columns: 1fr; gap: 28px; padding: 40px 0; }
  .service-block.reverse { direction: ltr; }
  .cta-banner { padding: 44px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .float-card { display: none; }
  .trust { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { justify-content: center; }
  .footer__bottom { flex-direction: column; text-align: center; }
}