/* ==========================================================================
   PR Gestão Empresarial — Reset enxuto + elementos base
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + var(--space-4));
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: var(--weight-semibold);
  line-height: var(--lh-heading);
  letter-spacing: var(--tracking-tight);
  color: inherit;
}

h1 { font-size: var(--fs-h1); line-height: var(--lh-tight); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p { margin: 0; }
figure { margin: 0; }
p + p { margin-top: var(--space-4); }

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

a { color: inherit; text-decoration: none; }
a:not([class]) { text-decoration: underline; text-underline-offset: .18em; }

img, svg, video { display: block; max-width: 100%; height: auto; }

button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }

hr { border: 0; border-top: 1px solid var(--line); margin: 0; }

/* Foco de teclado sempre visível ------------------------------------------ */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
.on-dark :focus-visible,
.section--dark :focus-visible { outline-color: var(--accent-on-dark); }

::selection { background: var(--pr-ink); color: var(--pr-white); }

/* Utilitários mínimos ------------------------------------------------------ */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  z-index: var(--z-float);
  transform: translateY(-200%);
  background: var(--pr-white);
  color: var(--text);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-size: var(--fs-small);
  font-weight: var(--weight-semibold);
}
.skip-link:focus-visible { transform: translateY(0); }

.container {
  width: 100%;
  max-width: calc(var(--container-max) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: calc(var(--container-narrow) + var(--gutter) * 2); }

/* Seções ------------------------------------------------------------------- */
.section {
  position: relative;
  padding-block: var(--section-y);
}
.section--tight { padding-block: var(--section-y-tight); }
.section--muted { background: var(--surface-muted); }
.section--dark {
  background: var(--surface-inverse);
  color: var(--text-on-dark);
}
.section--graphite {
  background: var(--surface-inverse-soft);
  color: var(--text-on-dark);
}
.section--flush { padding-block: 0; }

/* Entrada suave (progressive enhancement: só ativa via JS) ------------------ */
[data-reveal] { opacity: 1; }
.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-reveal] { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}