/* ==========================================================================
   Reset e base tipográfica
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6.5rem;
}

body,
h1, h2, h3, h4, h5, h6,
p, figure, blockquote, dl, dd,
ul, ol {
  margin: 0;
}

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

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  font-family: var(--font-primary);
  font-size: var(--fs-body);
  font-weight: var(--fw-book);
  line-height: var(--lh-body);
  color: var(--color-text);
  background-color: var(--color-background);
  overflow-wrap: break-word;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img { height: auto; }

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

button { cursor: pointer; }

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: .22em;
}

h1, h2, h3, h4 {
  font-weight: var(--fw-bold);
  line-height: var(--lh-heading);
  color: var(--color-heading);
  letter-spacing: var(--ls-heading);
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); font-weight: var(--fw-semibold); }
h4 { font-size: var(--fs-h4); font-weight: var(--fw-semibold); }

p { max-width: var(--measure); text-wrap: pretty; }

strong, b { font-weight: var(--fw-semibold); }

hr {
  height: 1px;
  margin: 0;
  border: 0;
  background: var(--color-line);
}

table { border-collapse: collapse; }

:target { scroll-margin-top: 7rem; }

/* --- Foco visível --------------------------------------------------------- */
:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

.footer :focus-visible {
  outline-color: #FFFFFF;
}

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

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--gutter);
  z-index: 200;
  padding: .85rem 1.4rem;
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--color-text-invert);
  text-decoration: none;
  background: var(--color-primary-dark);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus { top: 0; }

/* --- Movimento reduzido --------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}