/* ==========================================================================
   Reset + tipografia base
   ========================================================================== */

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

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: 400;
  color: var(--gray-800);
  background-color: var(--bg-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}

img, svg { display: block; max-width: 100%; }

a {
  color: var(--faj-blue-500);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}
a:hover { color: var(--faj-blue-700); }

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  color: var(--gray-900);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 { font-size: var(--fs-3xl); font-weight: 800; }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }

p { margin: 0; }

/* Foco acessível */
:focus-visible {
  outline: 2px solid var(--faj-blue-500);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Utilitárias */
.stack { display: flex; flex-direction: column; }
.stack > * + * { margin-top: var(--gap, var(--sp-4)); }
.row { display: flex; align-items: center; }
.row > * + * { margin-left: var(--gap, var(--sp-3)); }
.spacer { flex: 1 1 auto; }
.muted { color: var(--gray-500); }
.strong { font-weight: 600; color: var(--gray-900); }
.text-xs { font-size: var(--fs-xs); }
.text-sm { font-size: var(--fs-sm); }
.text-lg { font-size: var(--fs-lg); }
.text-right { text-align: right; }
.hidden { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* Scrollbar suave */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 999px; border: 2px solid var(--gray-50); }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }
::-webkit-scrollbar-track { background: transparent; }