/* ==========================================================================
   Corpo & Forma — reset, tipografia base, utilitários
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--cf-header-min) + var(--cf-e-5));
}

body {
  margin: 0;
  background: var(--cf-linho);
  color: var(--cf-tinta);
  font-family: var(--cf-fonte);
  font-size: var(--cf-t-corpo);
  font-weight: 400;
  line-height: var(--cf-lh-corpo);
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.is-travado { overflow: hidden; }

h1, h2, h3, h4, p, figure, blockquote, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }

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

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

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

button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--cf-ouro);
  outline-offset: 3px;
}

::selection {
  background: var(--cf-ouro);
  color: var(--cf-tinta);
}

/* --- Tipografia base ------------------------------------------------------ */

.cf-display,
.cf-h2,
.cf-h3 {
  font-weight: 300;
  text-wrap: balance;
}

.cf-display {
  font-size: var(--cf-t-display);
  line-height: var(--cf-lh-display);
  letter-spacing: var(--cf-tk-display);
}

.cf-h2 {
  font-size: var(--cf-t-h2);
  line-height: var(--cf-lh-titulo);
  letter-spacing: var(--cf-tk-titulo);
}

.cf-h3 {
  font-size: var(--cf-t-h3);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

/* Bodoni itálico: o único destaque do sistema. Máx. 1 por seção. */
.cf-display em,
.cf-h2 em,
.cf-h3 em,
.cf-destaque {
  font-family: var(--cf-destaque);
  font-style: italic;
  font-weight: 400;
  font-optical-sizing: auto;
}

.cf-lead {
  font-size: var(--cf-t-corpo-g);
  line-height: 1.65;
  color: var(--cf-taupe);
  max-width: var(--cf-max-txt);
}

.cf-p {
  color: var(--cf-taupe);
  max-width: var(--cf-max-txt);
}
.cf-p + .cf-p { margin-top: var(--cf-e-5); }

.cf-peq {
  font-size: var(--cf-t-peq);
  line-height: 1.6;
  color: var(--cf-taupe);
}

.cf-micro {
  font-size: var(--cf-t-micro);
  letter-spacing: 0.14em;
  line-height: 1.4;
}

/* --- Utilitários ---------------------------------------------------------- */

.cf-vh {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.cf-pular {
  position: absolute;
  top: var(--cf-e-3);
  left: var(--cf-e-3);
  z-index: 200;
  padding: var(--cf-e-3) var(--cf-e-5);
  background: var(--cf-tinta);
  color: var(--cf-linho-alto);
  font-size: var(--cf-t-rotulo);
  letter-spacing: var(--cf-tk-rotulo);
  text-transform: uppercase;
  transform: translateY(-200%);
}
.cf-pular:focus-visible { transform: translateY(0); }

/* --- Revelação no scroll --------------------------------------------------- */

.cf-reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity var(--cf-dur-lenta) var(--cf-ease),
    transform var(--cf-dur-lenta) var(--cf-ease);
  transition-delay: var(--cf-atraso, 0ms);
}
.cf-reveal.is-in {
  opacity: 1;
  transform: none;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .cf-reveal {
    opacity: 1;
    transform: none;
  }
}