/* Reset e base tipográfica */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  overflow-x: clip;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: var(--leading-tight);
  margin: 0 0 var(--space-4);
  font-weight: 600;
}
h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-xl); }
p { margin: 0 0 var(--space-4); }
a { color: var(--color-link); text-underline-offset: 3px; }
a:hover { color: var(--color-text); }
ul, ol { padding-left: 1.25rem; }
button { font: inherit; cursor: pointer; }
:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Utilitários */
.container {
  width: min(100% - 2 * var(--gutter), var(--container-max));
  margin-inline: auto;
}
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0; padding: 0; margin: -1px;
}
.section { padding-block: var(--space-8); }
.section--tint { background: var(--color-surface); }
.section__title { text-align: center; margin-bottom: var(--space-3); }
.section__lead {
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  max-width: 60ch;
  margin: 0 auto var(--space-6);
}
.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.skip-link {
  position: absolute; top: -100%; left: var(--space-4);
  background: var(--color-surface); padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm); z-index: var(--z-menu);
}
.skip-link:focus { top: var(--space-2); }

@media (min-width: 640px) { :root { --gutter: 1.5rem; } }
@media (min-width: 1024px) { :root { --gutter: 2rem; } .section { padding-block: var(--space-9); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}