/* ---------------------------------------------------
   Responsividade — mobile-first breakpoints
--------------------------------------------------- */

/* ≤ 1024px: reduz grades para 2 colunas, ajusta hero */
@media (max-width: 1024px) {
  .grid--services {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .hero__grid {
    text-align: center;
  }

  .hero__content .lede {
    margin-inline: auto;
  }

  .hero__actions,
  .hero__badge-row {
    justify-content: center;
  }

  .about__visual {
    order: -1;
  }

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

/* ≤ 860px: ativa o menu mobile */
@media (max-width: 860px) {
  .nav__list {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    flex-direction: column;
    background: var(--color-surface);
    padding: var(--space-lg);
    gap: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

  .nav.is-open .nav__list {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__link {
    font-size: var(--fs-md);
  }

  .nav__cta {
    display: none;
  }

  .nav.is-open .nav__cta {
    display: inline-flex;
    width: 100%;
    justify-content: center;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .nav__extra-cta {
    display: none;
  }
}

/* ≤ 640px: colunas únicas, formulário empilhado */
@media (max-width: 640px) {
  :root {
    --fs-3xl: 2.25rem;
    --fs-2xl: 1.75rem;
  }

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

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

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

  .hero {
    padding-top: calc(var(--header-height) + var(--space-lg));
  }

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