/* ==========================================================================
   AppAgilStudio — Base / Reset
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
}

@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;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: var(--lh-heading);
  color: var(--color-text);
  margin: 0 0 var(--space-2);
}

h1 { font-size: var(--fs-h1); line-height: var(--lh-tight); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p {
  margin: 0 0 var(--space-2);
  color: var(--color-text);
}

ul, ol {
  padding-left: 1.25rem;
}

/* Foco visível — acessibilidade obrigatória */
:focus-visible {
  outline: 3px solid var(--color-accent-hover);
  outline-offset: 2px;
  border-radius: 3px;
}

/* Utilitários de layout */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.container--narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.section {
  padding: var(--space-6) 0;
}

.section--tight {
  padding: var(--space-5) 0;
}

.section--surface {
  background-color: var(--color-surface);
}

.section--dark {
  background: linear-gradient(135deg, var(--color-section-band), var(--color-section-band-glow));
  color: var(--color-text);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark p {
  color: var(--color-text);
}

.text-center {
  text-align: center;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  display: inline-block;
  margin-bottom: var(--space-1);
}

.text-secondary {
  color: var(--color-text-secondary);
}

.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;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-on-accent);
  padding: var(--space-1) var(--space-2);
  z-index: 100;
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
  left: 0;
}