/* Mobile first: abaixo de 859px, simplifica grids e ativa o menu de gaveta */

body.nav-open {
  overflow: hidden;
}

@media (max-width: 859px) {
  .site-nav__toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(320px, 85vw);
    height: 100vh;
    background: var(--color-cream);
    padding: 5.5rem 1.5rem 2rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    box-shadow: -8px 0 24px rgba(33, 33, 112, 0.15);
    overflow-y: auto;
  }

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

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    width: 100%;
  }

  .site-nav__list a {
    display: block;
    width: 100%;
    padding: 0.85rem 0;
  }

  .site-nav__list a::after {
    display: none;
  }

  .site-nav__cta {
    flex-direction: column;
    align-items: stretch;
    margin-top: 1.5rem;
    width: 100%;
  }

  .site-nav__backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(33, 33, 112, 0.45);
    z-index: 90;
  }

  .site-nav.is-open ~ .site-nav__backdrop,
  .site-nav__backdrop.is-visible {
    display: block;
  }

  .hero__grid,
  .materials-grid,
  .site-footer__grid,
  .program-layout,
  .signup-grid {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    order: -1;
    min-height: 260px;
    margin-bottom: 1rem;
  }

  .hero__numeral {
    width: 60%;
    right: 0;
  }

  .hero__collage {
    max-width: 320px;
  }

  .hero__chevron {
    width: 90px;
    top: -1.5rem;
    left: -1.5rem;
  }

  .hero__faces img {
    width: 48px;
    height: 48px;
  }

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

  .fundamento-item:nth-child(odd) {
    border-right: none;
  }

  .election-icon-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .members-grid {
    gap: 1.25rem 0.75rem;
  }

  .signup-section__content {
    max-width: none;
  }

  .body-has-vote-bar {
    padding-bottom: 64px;
  }
}

@media (min-width: 480px) {
  .election-icon-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 640px) {
  .members-grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

@media (min-width: 860px) {
  .vote-bar {
    display: none;
  }
}

@media (min-width: 900px) {
  .members-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }

  .program-layout {
    grid-template-columns: 260px 1fr;
  }

  .program-toc {
    position: sticky;
    top: 6rem;
  }

  .signup-grid {
    grid-template-columns: 0.85fr 1fr;
  }

  .materials-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1100px) {
  .election-icon-row {
    gap: 2rem;
  }
}