/* ============================================
   KUMANI — RESET BASE
   Baseado num reset moderno (Josh Comeau / Andy Bell),
   ajustado às necessidades deste projecto.
   ============================================ */

*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  line-height: var(--lh-normal);
  font-family: var(--font-primary);
  color: var(--color-text-primary);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  text-align: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: inherit;
  font-size: inherit;
}

/* Foco visível consistente em todo o site — nunca remover outline sem substituto */
:focus-visible {
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Utilitário de acessibilidade: esconde visualmente, mantém para leitores de ecrã */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Link "saltar para o conteúdo" — primeiro elemento focável da página */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 1000;
  background: var(--color-brand-primary);
  color: var(--color-text-on-brand);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  font-weight: var(--fw-bold);
  transition: top var(--duration-fast) var(--ease-standard);
}

.skip-link:focus {
  top: var(--space-4);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}