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

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  margin: 0 0 var(--space-2);
  color: var(--color-primary-900);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.15rem; }

p { margin: 0 0 var(--space-3); }

a {
  color: var(--color-primary-500);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

ul { list-style: none; margin: 0; padding: 0; }

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

button {
  font-family: inherit;
  cursor: pointer;
}

/* Reduz o atraso de toque em elementos interativos no mobile */
a, button, input, select, textarea, [role="button"] {
  touch-action: manipulation;
}

input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

:focus-visible {
  outline: 3px solid var(--color-primary-400);
  outline-offset: 2px;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: var(--radius-pill); }

.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;
}