/* Ajustes finais de acabamento, acessibilidade e publicação */
html {
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
}

::selection {
  background: rgba(16, 185, 129, 0.28);
  color: #052e2b;
}

:focus-visible {
  outline: 3px solid rgba(16, 185, 129, 0.85) !important;
  outline-offset: 3px;
  border-radius: 10px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 99999;
  transform: translateY(-140%);
  background: #064e3b;
  color: #fff;
  padding: 10px 14px;
  border-radius: 999px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
  transition: transform .2s ease;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

/* Barra de rolagem com acabamento discreto */
::-webkit-scrollbar {
  width: 11px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #059669, #0f766e);
  border-radius: 999px;
  border: 3px solid #f1f5f9;
}

/* Botão flutuante de voltar ao topo */
.quick-top-button {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 9999;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #059669, #0f766e);
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 16px 35px rgba(15, 118, 110, 0.35);
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px) scale(.96);
  transition: opacity .25s ease, transform .25s ease, box-shadow .25s ease;
}
.quick-top-button.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}
.quick-top-button:hover {
  box-shadow: 0 20px 44px rgba(15, 118, 110, 0.45);
  transform: translateY(-2px) scale(1.02);
}

/* Melhoria de leitura em telas menores */
@media (max-width: 640px) {
  .quick-top-button {
    right: 14px;
    bottom: 14px;
    width: 42px;
    height: 42px;
  }
}

/* Respeita usuários que preferem menos animações */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}