/* ============ TABLET (≤1024px) ============ */
@media (max-width: 1024px) {
  .stats-overlay__inner {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg) var(--space-md);
  }

  .stat:nth-child(2) {
    border-right: 0;
  }

  .stat {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-md);
  }

  .stat:nth-last-child(-n+2) {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .about {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .about__visual {
    aspect-ratio: 16 / 10;
    max-width: 600px;
    margin-inline: auto;
  }

  .services-layout {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .services-layout__head {
    position: static;
    text-align: center;
  }

  .services-layout__head .btn {
    margin-inline: auto;
  }

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

  .services-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl) var(--space-md);
  }

  .process-grid::before {
    display: none;
  }

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

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

  .cta-banner {
    grid-template-columns: 1fr;
    text-align: center;
    padding: var(--space-lg);
  }

  .cta-banner__actions {
    justify-self: center;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ============ MOBILE (≤768px) ============ */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(85vw, 360px);
    background: var(--color-dark);
    flex-direction: column;
    align-items: stretch;
    padding: calc(var(--header-height) + var(--space-md)) var(--space-lg) var(--space-lg);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-lg);
    gap: var(--space-md);
    overflow-y: auto;
  }

  .nav.is-open {
    transform: translateX(0);
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
  }

  .nav__link {
    font-size: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav__cta {
    margin-left: 0;
    margin-top: var(--space-md);
    width: 100%;
  }

  .header {
    background: var(--color-dark);
    height: var(--header-height-scrolled);
  }

  .hero__title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .hero__text {
    font-size: 1rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .stats-overlay {
    margin-top: -40px;
  }

  .stats-overlay__inner {
    grid-template-columns: 1fr;
    padding: var(--space-md);
  }

  .stat {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-md);
  }

  .stat:last-child {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .services-grid,
  .services-list,
  .projects-grid,
  .diff-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

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

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

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

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

  .section {
    padding-block: var(--space-xl);
  }

  .whatsapp-float {
    width: 54px;
    height: 54px;
    bottom: 18px;
    right: 18px;
  }

  .whatsapp-float svg {
    width: 26px;
    height: 26px;
  }
}

/* ============ SMALL MOBILE (≤480px) ============ */
@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
  }

  .btn {
    padding: 0.85rem 1.4rem;
    font-size: 0.8rem;
  }

  .hero__content {
    padding-block: var(--space-lg);
  }

  .testimonial {
    padding: var(--space-md);
  }
}

/* ============ NO-SCROLL LOCK (when mobile menu open) ============ */
body.no-scroll {
  overflow: hidden;
}