/* Modo Ativação · base */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%; scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
  /* foco do teclado e âncoras nunca param atrás de barra fixa (--pad-top e --dock vêm de cada página) */
  scroll-padding-top: var(--pad-top);
  scroll-padding-bottom: calc(var(--dock) + 16px + env(safe-area-inset-bottom));
}
html, body { background: var(--bg-primary); }
/* trava de rolagem enquanto menu, folha ou modal estão abertos */
html.is-locked { overflow: hidden; scrollbar-gutter: stable; }

body {
  margin: 0;
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  /* clip não cria contêiner de rolagem: com o html travado, cabeçalhos sticky continuam no lugar */
  overflow-x: clip;
}

img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

::selection { background: var(--lime-primary); color: var(--lime-ink); }

:focus-visible {
  outline: 2px solid var(--lime-primary);
  outline-offset: 3px;
  border-radius: 6px;
}

[hidden] { display: none !important; }

/* textos só do celular ou só do tablet/desktop, sem duplicar página */
@media (max-width: 767px) { .d-only { display: none !important; } }
@media (min-width: 768px) { .m-only { display: none !important; } }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--lime-primary); color: var(--lime-ink);
  padding: 10px 16px; border-radius: var(--radius-btn); font-weight: 700;
  transition: top var(--t-fast) var(--ease);
}
.skip-link:focus { top: 12px; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: max(var(--gutter), env(safe-area-inset-left)) max(var(--gutter), env(safe-area-inset-right));
}

/* tipografia de display */
.display {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 0.88;
  letter-spacing: -0.01em;
}
.lime { color: var(--lime-primary); }
.muted { color: var(--text-secondary); }

/* fundo tecnológico: grid + brilho radial + grão */
.tech-bg {
  position: relative;
  isolation: isolate;
}
.tech-bg::before {
  content: "";
  position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(circle at 70% 20%, rgba(199, 255, 56, 0.06), transparent 35%),
    radial-gradient(circle at 10% 90%, rgba(199, 255, 56, 0.03), transparent 30%),
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px) 0 0 / 56px 56px;
  mask-image: linear-gradient(180deg, #000 0%, #000 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 70%, transparent 100%);
  pointer-events: none;
}
/* pontos discretos no lugar de ruído: mesmo efeito de textura, custo de renderização quase zero */
.tech-bg::after {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1.2px) 28px 28px / 56px 56px;
  mask-image: radial-gradient(ellipse at 70% 30%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, #000 0%, transparent 70%);
  pointer-events: none;
}

/* ON gigante decorativo (o nome da classe ficou da marca antiga) */
.ghost-2k {
  position: absolute;
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 0.8;
  color: var(--text-primary);
  opacity: 0.03;
  pointer-events: none;
  user-select: none;
  z-index: -1;
}

/* revelação ao rolar: só esconde com a classe js no html (sem JS, nada fica invisível) */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 600ms var(--ease), transform 600ms var(--ease); }
.js .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;
  }
  .js .reveal { opacity: 1; transform: none; }
}