/* ============================================================
   Verso Telecom · SITE-001 · base.css
   Reset, container, tipografia, seções, reveal on scroll.
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
@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;
  }
}

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: #FFFFFF;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.cookie-banner--visible { padding-bottom: 80px; }

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* --- Foco visível (WCAG): azul em fundo claro, ciano em fundo navy --- */
:focus-visible { outline: 2px solid var(--verso-blue); outline-offset: 2px; border-radius: 2px; }
.hero :focus-visible, .cta-final :focus-visible, .footer :focus-visible,
.cookie-banner :focus-visible, .modal__overlay :focus-visible { outline-color: var(--verso-cyan); }

/* --- Skip link (acessibilidade) --- */
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--verso-navy); color: #FFFFFF;
  padding: 12px 20px; font-weight: 600; font-size: 0.875rem;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip:focus { left: 0; }

/* --- Container (idêntico em todas as seções) --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

/* --- Tipografia (tabela da spec §6) --- */
h1 { font-size: 2.5rem; font-weight: 700; line-height: 1.2; color: #FFFFFF; letter-spacing: -0.02em; }
h2 { font-size: 1.75rem; font-weight: 700; line-height: 1.25; color: var(--ink); letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; font-weight: 600; line-height: 1.35; color: var(--ink); }

/* --- Cabeçalho de seção (eyebrow + título + lead) --- */
.section { padding-block: var(--section-pad); }
.section--alt { background: var(--surface); }
.section__header { max-width: 640px; margin-bottom: 40px; }
.section__header--center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--verso-blue);
  margin-bottom: 12px;
}
.eyebrow::before {
  content: ""; width: 24px; height: 3px; border-radius: var(--radius-full);
  background: var(--gradient-brand);
}
.section__header--center .eyebrow::after {
  content: ""; width: 24px; height: 3px; border-radius: var(--radius-full);
  background: var(--gradient-brand);
}
.section__lead { margin-top: 12px; font-size: 1.0625rem; color: var(--muted); }

/* --- Reveal on scroll (spec · decisão 11) ---
   Só esconde quando o JS está ativo (html.js); sem JS = tudo visível. */
html.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--speed-slow) var(--ease-out), transform var(--speed-slow) var(--ease-out);
}
html.js .reveal--visible { opacity: 1; transform: none; }
html.js [data-reveal-group] .reveal { transition-delay: var(--reveal-delay, 0ms); }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
}