/* =====================================================================
   CHEGA DE JOGO — Fundações do sistema visual
   Usado por styles.css (vendas), flow.css (fluxo) e legal.css (documentos).
   Conceito: recuperar o controle com um passo de cada vez.
   ===================================================================== */

:root {
  /* Superfícies */
  --cj-bg: #11100f;
  --cj-bg-raised: #1a1816;
  --cj-bg-deep: #0c0b0a;
  --cj-paper: #f4efe6;
  --cj-paper-raised: #fffaf2;
  --cj-paper-deep: #e6ded1;

  /* Texto */
  --cj-text: #fff9f0;
  --cj-text-soft: #beb3a7;
  --cj-text-muted: #8e857b;
  --cj-ink: #201b17;
  --cj-ink-soft: #5f564e;
  --cj-ink-muted: #7c736a;

  /* Acentos */
  --cj-red: #d94a35;          /* acento: ícones, bordas, destaques */
  --cj-red-strong: #c0402c;   /* preenchimento de botão (contraste AA com branco) */
  --cj-red-hover: #b93a2a;
  --cj-red-soft: #e8674f;     /* vermelho legível como ícone sobre fundo escuro */
  --cj-red-ink: #a3341f;      /* vermelho legível sobre papel */
  --cj-amber: #e7a83e;
  --cj-amber-ink: #8a5f10;    /* âmbar legível sobre papel */
  --cj-green: #4f8b68;
  --cj-green-ink: #3a6b4e;

  /* Linhas */
  --cj-line: rgba(255, 255, 255, .10);
  --cj-line-strong: rgba(255, 255, 255, .18);
  --cj-line-dark: rgba(32, 27, 23, .12);
  --cj-line-dark-strong: rgba(32, 27, 23, .22);

  /* Tipografia — apenas fontes do sistema (sem dependência externa/CSP) */
  --cj-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --cj-mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;

  /* Escala tipográfica responsiva */
  --cj-display: clamp(2.4rem, 1.55rem + 3.7vw, 4.1rem);
  --cj-h2: clamp(1.75rem, 1.25rem + 2.1vw, 2.75rem);
  --cj-h3: clamp(1.12rem, 1rem + .5vw, 1.4rem);
  --cj-body: clamp(1rem, .96rem + .18vw, 1.09rem);
  --cj-small: .875rem;
  --cj-kicker: .72rem;

  /* Layout */
  --cj-container: 1120px;
  --cj-container-narrow: 760px;
  --cj-gutter: clamp(1.25rem, 4vw, 2.5rem);
  --cj-section: clamp(3.75rem, 7vw, 6.5rem);

  /* Formas */
  --cj-radius-xs: 8px;
  --cj-radius-sm: 12px;
  --cj-radius-md: 18px;
  --cj-radius-lg: 26px;
  --cj-radius-pill: 999px;

  /* Profundidade */
  --cj-shadow-sm: 0 6px 18px rgba(0, 0, 0, .18);
  --cj-shadow-md: 0 18px 44px rgba(0, 0, 0, .28);
  --cj-shadow-lg: 0 32px 80px rgba(0, 0, 0, .42);

  --cj-ease: cubic-bezier(.22, .61, .36, 1);
}

/* ------------------------------ Reset leve ------------------------------ */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  font-family: var(--cj-sans);
  font-size: var(--cj-body);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1.1;
  text-wrap: balance;
}

p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; }
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }

:focus-visible {
  outline: 3px solid var(--cj-amber);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { color: #fff; background: var(--cj-red-strong); }

/* ------------------------------ Primitivos ------------------------------ */

.cj-container {
  width: min(var(--cj-container), 100% - (var(--cj-gutter) * 2));
  margin-inline: auto;
}

.cj-narrow { max-width: var(--cj-container-narrow); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  padding: .85rem 1.15rem;
  color: #fff;
  background: var(--cj-red-strong);
  border-radius: 0 0 var(--cj-radius-xs) 0;
  font-weight: 700;
  text-decoration: none;
}
.skip-link:focus { left: 0; }

/* Marca */
.brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  color: inherit;
  font-size: .95rem;
  font-weight: 800;
  letter-spacing: .01em;
  text-decoration: none;
  white-space: nowrap;
}
.brand-mark {
  width: 1.6rem;
  height: 1.6rem;
  flex: 0 0 auto;
  position: relative;
  display: block;
  overflow: hidden;
  color: transparent;
  background: var(--cj-bg-deep);
  border: 3px solid var(--cj-red);
  border-radius: 50%;
  font-size: 0;
  box-shadow: 0 0 0 2px rgba(217, 74, 53, .12);
}
.brand-mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1.45rem;
  height: 3px;
  background: var(--cj-text);
  border-radius: 999px;
  transform: translate(-50%, -50%) rotate(-45deg);
}
.brand em { font-style: normal; opacity: .55; }

/* Kicker / rótulo de seção */
.cj-kicker {
  display: flex;
  align-items: center;
  gap: .55rem;
  margin: 0 0 1rem;
  color: var(--cj-amber);
  font-family: var(--cj-mono);
  font-size: var(--cj-kicker);
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.cj-kicker::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  flex: 0 0 auto;
  background: currentColor;
}
.on-paper .cj-kicker { color: var(--cj-amber-ink); }

/* Botões */
.cj-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-height: 52px;
  padding: .9rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--cj-radius-pill);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .2s var(--cj-ease), transform .2s var(--cj-ease), border-color .2s var(--cj-ease), color .2s var(--cj-ease);
}
.cj-button:hover { transform: translateY(-1px); }
.cj-button:active { transform: translateY(0); }
.cj-button[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

.cj-button--primary { color: #fff; background: var(--cj-red-strong); box-shadow: var(--cj-shadow-sm); }
.cj-button--primary:hover { background: var(--cj-red-hover); }

.cj-button--ghost { color: var(--cj-text); background: transparent; border-color: var(--cj-line-strong); }
.cj-button--ghost:hover { background: rgba(255, 255, 255, .06); border-color: var(--cj-text-soft); }

.cj-button--ink { color: var(--cj-ink); background: transparent; border-color: var(--cj-line-dark-strong); }
.cj-button--ink:hover { background: rgba(32, 27, 23, .05); }

.cj-button--block { width: 100%; }

.cj-button .cj-arrow { font-size: 1.05em; line-height: 1; transition: transform .2s var(--cj-ease); }
.cj-button:hover .cj-arrow { transform: translateX(3px); }

/* Link textual */
.cj-textlink {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .25rem 0;
  color: inherit;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
.cj-textlink:hover { opacity: .75; }

/* Selo / badge */
.cj-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .4rem .85rem;
  border: 1px solid var(--cj-line-strong);
  border-radius: var(--cj-radius-pill);
  color: var(--cj-text-soft);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .01em;
}
.cj-badge .cj-dot {
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: var(--cj-amber);
}

/* Revelação suave */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s var(--cj-ease), transform .6s var(--cj-ease);
}
.reveal.is-revealed { opacity: 1; transform: none; }

/* ------------------------------ Movimento ------------------------------ */

@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;
  }
  .reveal { opacity: 1; transform: none; }
  .cj-button:hover { transform: none; }
}