/* =========================================================
   BASE — reset leve, tipografia geral, foco e componentes
   reutilizáveis (botão, rótulos, topo, rodapé).
   ========================================================= */

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

html {
  background: var(--grafite-800);
  color: var(--marfim);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--grafite-800);
  font-family: var(--fonte-texto);
  font-size: var(--tam-texto);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; }
h1, h2, p, ol { margin: 0; }

a { color: inherit; }

::selection { background: var(--cobre); color: var(--cobre-escuro); }

:focus-visible {
  outline: 2px solid var(--cobre);
  outline-offset: 4px;
  border-radius: 2px;
}

/* Link "pular" para teclado */
.pular {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--marfim);
  color: var(--grafite-900);
  text-decoration: none;
  font-weight: 600;
  transform: translateY(-200%);
}
.pular:focus-visible { transform: none; }

/* Rótulo pequeno em caixa alta */
.sobretitulo {
  font-size: var(--tam-rotulo);
  font-weight: 560;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--marfim-suave);
}

/* Botão principal */
.botao {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  min-height: 3.25rem;
  padding: 0.9rem 1.5rem 0.9rem 1.6rem;
  border-radius: 999px;
  background: var(--cobre);
  color: var(--cobre-escuro);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.005em;
  text-decoration: none;
  transition: background-color 300ms var(--curva), transform 300ms var(--curva), box-shadow 300ms var(--curva);
  box-shadow: 0 0 0 0 var(--cobre-brilho);
}
.botao:hover {
  background: #edab78;
  box-shadow: 0 10px 40px -12px var(--cobre-brilho);
}
.botao:active { transform: translateY(1px); }
.botao__seta {
  display: inline-grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: rgba(26, 18, 12, 0.12);
  transition: transform 400ms var(--curva);
}
.botao:hover .botao__seta { transform: translateY(2px); }

.botao--linha {
  background: transparent;
  color: var(--marfim);
  border: 1px solid rgba(237, 230, 216, 0.32);
  padding: 0.85rem 1.4rem;
  overflow-wrap: anywhere;
}
.botao--linha:hover {
  background: transparent;
  border-color: var(--cobre);
  color: var(--cobre);
  box-shadow: none;
}

/* Topo */
.topo {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--topo-altura);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--margem);
  background: linear-gradient(to bottom, rgba(15, 16, 17, 0.96) 0%, rgba(15, 16, 17, 0.92) 62%, rgba(15, 16, 17, 0) 100%);
  pointer-events: none;
}
.topo a { pointer-events: auto; }

.marca {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.32em;
  text-decoration: none;
}
.marca__sep {
  width: 1.4em;
  height: 1px;
  background: var(--cobre);
}

.topo__contato {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--marfim-suave);
  text-decoration: none;
  padding: 0.5rem 0;
  border-bottom: 1px solid transparent;
  transition: color 250ms, border-color 250ms;
}
.topo__contato:hover { color: var(--marfim); border-color: var(--cobre); }

/* Rodapé */
.rodape {
  position: relative;
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  justify-content: space-between;
  padding: 2rem var(--margem) 2.5rem;
  border-top: 1px solid var(--marfim-tenue);
  font-size: 0.85rem;
  color: var(--marfim-suave);
  background: var(--grafite-800);
}
.rodape a { text-decoration: none; }
.rodape a:hover { color: var(--marfim); }