/* ==========================================================================
   BASE - reset, primitivas tipograficas, shell de grid, acessibilidade
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  /* Compensa o header fixo em navegacao por ancora. */
  scroll-padding-top: calc(var(--header-h-compact) + var(--sp-6));
}

body {
  margin: 0;
  background-color: var(--c-petrol-900);
  color: var(--text);
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

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

/* O seletor de classe de um componente vence o [hidden] da folha do
   navegador. Sem isto, blocos como .form-success (display: flex) aparecem
   mesmo com o atributo hidden. */
[hidden] { display: none !important; }

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

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

address { font-style: normal; }

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

::selection {
  background-color: var(--c-amber-500);
  color: var(--c-graphite-950);
}

/* --------------------------------------------------------------------------
   Foco visivel - anel ambar consistente em todo componente interativo.
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}
:focus:not(:focus-visible) { outline: none; }

.skip-link {
  position: absolute;
  top: var(--sp-3);
  left: var(--sp-3);
  z-index: var(--z-modal);
  padding: var(--sp-3) var(--sp-5);
  background-color: var(--c-amber-500);
  color: var(--c-graphite-950);
  font-family: var(--ff-display);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  font-variation-settings: "wdth" var(--wd-compressed);
  border-radius: var(--radius-sm);
  transform: translateY(-160%);
  transition: transform var(--dur-base) var(--ease-out-expo);
}
.skip-link:focus-visible { transform: translateY(0); }

.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;
}

/* Folha de simbolos SVG inline - nunca renderiza, so define os icones. */
.svg-sprite {
  position: absolute;
  width: 0; height: 0;
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   Shell e grid
   -------------------------------------------------------------------------- */
.shell {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--shell-pad);
}
.shell--wide { max-width: 104rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--grid-gap);
}

/* Secoes: pintam o proprio tema e definem o proprio respiro. */
.section {
  position: relative;
  background-color: var(--bg);
  color: var(--text);
  padding-block: var(--section-pad-md);
}
.section--sm { padding-block: var(--section-pad-sm); }
.section--lg { padding-block: var(--section-pad-lg); }
.section--flush-top { padding-block-start: 0; }

/* --------------------------------------------------------------------------
   Primitivas tipograficas
   -------------------------------------------------------------------------- */

/* Rotulo tecnico: Archivo comprimido, caixa alta, muito tracejado.
   E a voz "de placa" da marca - usada em eyebrows, legendas e dados. */
.label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--ff-display);
  font-size: var(--fs-label);
  font-weight: 600;
  line-height: 1;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  font-variation-settings: "wdth" var(--wd-compressed);
  color: var(--text-faint);
}
.label--accent { color: var(--accent-text); }

/* Marcador da etiqueta: barra ambar curta, nao um ponto ou emoji. */
.label__mark {
  flex: none;
  width: 1.75rem;
  height: 2px;
  background-color: var(--accent);
}

.eyebrow {
  font-family: var(--ff-display);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  font-variation-settings: "wdth" var(--wd-compressed);
  color: var(--text-muted);
}

/* Titulos: Archivo largo e plantado. */
.h-hero,
.h-display,
.h2,
.h3,
.h4 {
  font-family: var(--ff-display);
  color: var(--text);
  text-wrap: balance;
}

.h-hero {
  font-size: var(--fs-hero);
  font-weight: 700;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-hero);
  font-variation-settings: "wdth" var(--wd-wide);
  text-transform: uppercase;
}

.h-display {
  font-size: var(--fs-display);
  font-weight: 700;
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-display);
  font-variation-settings: "wdth" var(--wd-wide);
}

.h2 {
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-h2);
  font-variation-settings: "wdth" var(--wd-wide);
}

.h3 {
  font-size: var(--fs-h3);
  font-weight: 650;
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-h3);
  font-variation-settings: "wdth" var(--wd-normal);
}

.h4 {
  font-size: var(--fs-h4);
  font-weight: 650;
  line-height: 1.24;
  letter-spacing: -0.008em;
  font-variation-settings: "wdth" var(--wd-normal);
}

.lead {
  font-size: var(--fs-lead);
  line-height: 1.5;
  color: var(--text-muted);
  text-wrap: pretty;
}

.prose p {
  color: var(--text-muted);
  line-height: var(--lh-relaxed);
  text-wrap: pretty;
}
.prose p + p { margin-top: var(--sp-5); }
.prose strong { color: var(--text); font-weight: 600; }

.text-accent { color: var(--accent-text); }

/* Numeros sempre tabulares: dados alinham em coluna. */
.tabular { font-variant-numeric: tabular-nums; }

/* --------------------------------------------------------------------------
   Faixa de sinalizacao (hazard band)
   Dispositivo de acento da marca: a tarja diagonal ambar/grafite das placas
   de carga excedente. Usada como divisor funcional, nunca como enfeite.
   -------------------------------------------------------------------------- */
.hazard-band {
  height: 6px;
  background-image: repeating-linear-gradient(
    -45deg,
    var(--c-amber-500) 0 10px,
    transparent 10px 20px
  );
  background-color: var(--c-graphite-950);
}
.theme-light .hazard-band { background-color: var(--c-zinc-200); }

/* --------------------------------------------------------------------------
   Sistema de icones
   Todo icone e um <symbol> SVG 24x24, traco 1.5, cap e join arredondados,
   fill none, stroke currentColor. Nenhum emoji em nenhum estado.
   -------------------------------------------------------------------------- */
.icon {
  display: inline-block;
  flex: none;
  width: 1.5rem;
  height: 1.5rem;
  fill: none;
  stroke: currentColor;
  stroke-width: var(--stroke-icon);
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}
.icon--xs { width: 1rem; height: 1rem; }
.icon--sm { width: 1.25rem; height: 1.25rem; }
.icon--lg { width: 2rem; height: 2rem; }
.icon--xl { width: 2.75rem; height: 2.75rem; }

/* --------------------------------------------------------------------------
   Estado inicial das animacoes de scroll.
   Definido em CSS para que o elemento ja nasca oculto - o GSAP so anima
   a partir daqui. Se o JS falhar, .no-js reverte tudo para visivel.
   -------------------------------------------------------------------------- */
[data-reveal] { will-change: transform, opacity; }

.js [data-reveal] {
  opacity: 0;
  transform: translate3d(0, 1.75rem, 0);
}
.js [data-reveal="mask"] { opacity: 1; transform: none; }
.js [data-reveal="scale"] {
  opacity: 0;
  transform: scale(1.06);
}
.js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* Estado inicial da cena de abertura do hero. */
.js [data-hero-item],
.js [data-hero-foot] {
  opacity: 0;
  transform: translate3d(0, 1.5rem, 0);
}
.js [data-split-lines] { opacity: 0; }

/* Sem JS: nada fica escondido. */
.no-js [data-reveal] { opacity: 1 !important; transform: none !important; }
.no-js [hidden][data-js-only] { display: none; }

/* Sem GSAP (CDN indisponivel): revelacoes simples por transicao CSS. */
.no-gsap [data-reveal] {
  transition: opacity var(--dur-slow) var(--ease-out-expo),
              transform var(--dur-slow) var(--ease-out-expo);
}
.no-gsap [data-hero-item],
.no-gsap [data-hero-foot],
.no-gsap [data-split-lines] {
  opacity: 1;
  transform: none;
}

/* --------------------------------------------------------------------------
   Modo auditoria: <html data-audit="true"> destaca todo conteudo provisorio
   que precisa ser substituido por dado real antes de publicar.
   -------------------------------------------------------------------------- */
[data-audit="true"] [data-placeholder] {
  outline: 2px dashed var(--c-danger);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   Movimento reduzido - respeitado globalmente.
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .js [data-reveal] { opacity: 1 !important; transform: none !important; }
}

/* --------------------------------------------------------------------------
   Impressao - documento tecnico limpo.
   -------------------------------------------------------------------------- */
@media print {
  .site-header,
  .hero__visual,
  .marquee,
  .cookie-bar,
  .to-top { display: none !important; }
  body { background: #fff; color: #000; }
  .section { padding-block: 1.5rem; background: #fff !important; color: #000 !important; }
}