/* =========================================================
   Base — reset, tipografia e componentes globais
   ========================================================= */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--fg);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.6;
  padding-left: max(var(--gutter), env(safe-area-inset-left, 0px));
  padding-right: max(var(--gutter), env(safe-area-inset-right, 0px));

  /* grade de fundo */
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center top;
  background-attachment: fixed;
}

/* vinheta sobre a grade */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at 50% -10%, transparent 0, var(--ink) 70%);
  pointer-events: none;
  z-index: 0;
}

img { max-width: 100%; }
[hidden] { display: none !important; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--yellow); outline-offset: 3px; }

h1, h2, h3 {
  font-family: var(--f-display);
  line-height: 1.08;
  text-wrap: balance;
  margin: 0;
}

.mono { font-family: var(--f-mono); }

.eyebrow {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--yellow);
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 15px;
  padding: 11px 18px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
}
.btn-y { background: var(--yellow); color: var(--yellow-ink); }
.btn-y:hover { filter: brightness(1.08); }
.btn-o { background: transparent; border-color: var(--line); color: var(--fg); }
.btn-o:hover { border-color: var(--blue); }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}