/*
 * Rodapé institucional. Plano navy: fecha a página com um bloco sólido em
 * vez de uma faixa clara que se dissolve no fundo branco. Cor é estrutura
 * de leitura, nunca classificação política (AGENTS.md §6).
 */
.qv-footer {
  margin-top: clamp(40px, 4vw, 64px);
  background: var(--navy);
  color: var(--navy-ink);
  /* Fundo sutil: nenhuma informação depende dele. */
  background-image:
    radial-gradient(ellipse at 12% 0%, rgba(47, 152, 212, 0.22), transparent 55%),
    radial-gradient(ellipse at 88% 10%, rgba(238, 143, 189, 0.12), transparent 50%);
}

.qv-footer-grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(48px, 6vw, 80px) var(--gutter) clamp(36px, 4vw, 56px);
  display: grid;
  grid-template-columns: minmax(260px, 1.5fr) repeat(3, minmax(140px, 0.85fr));
  gap: clamp(28px, 4vw, 56px);
}

/* Marca */
.qv-footer-brand {
  min-width: 0;
  max-width: 34ch;
}

.qv-footer-kicker {
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--navy-kicker);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}

.qv-footer-kicker::before {
  flex: none;
  width: 26px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--pink);
  content: "";
}

.qv-footer-brand strong {
  display: block;
  margin-bottom: 14px;
  color: #fff;
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.045em;
  line-height: 1;
}

.qv-footer-pitch {
  margin: 0 0 22px;
  font-size: 0.92rem;
  line-height: 1.6;
}

/* Único botão do rodapé: contorno, não bloco sólido — o rodapé informa. */
.qv-footer-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: var(--tap-min);
  padding: 0 20px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius-pill);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition:
    background-color var(--motion-fast) ease,
    border-color var(--motion-fast) ease;
}

.qv-footer-cta::after {
  content: "→";
  transition: transform var(--motion-fast) var(--motion-ease);
}

.qv-footer-cta:hover,
.qv-footer-cta:focus-visible {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
}

.qv-footer-cta:hover::after,
.qv-footer-cta:focus-visible::after {
  transform: translateX(3px);
}

/* Colunas */
.qv-footer-col {
  display: grid;
  gap: 12px;
  align-content: start;
  min-width: 0;
  font-size: 0.89rem;
}

.qv-footer-col h3 {
  margin: 0 0 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.qv-footer-col a {
  color: var(--navy-ink);
  text-decoration: none;
  text-underline-offset: 4px;
  transition: color var(--motion-fast) ease;
}

.qv-footer-col a:hover,
.qv-footer-col a:focus-visible {
  color: #fff;
  text-decoration: underline;
}

.qv-footer-meta span {
  line-height: 1.5;
}

.qv-footer-meta b {
  display: block;
  margin-top: 2px;
  color: #fff;
  font-variant-numeric: tabular-nums;
}

/* Linha legal */
.qv-footer-legal {
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px var(--gutter) calc(26px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  color: var(--navy-muted);
  font-size: 0.75rem;
  line-height: 1.5;
}

@media (max-width: 920px) {
  .qv-footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 36px 32px;
  }

  .qv-footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  .qv-footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px var(--gutter) 32px;
  }

  .qv-footer-legal {
    flex-direction: column;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .qv-footer-cta,
  .qv-footer-cta::after {
    transition: none;
  }
}