/**
 * Reset e estilos-base. Nada de seção aqui — isso é Fase 4.
 */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  min-height: 100vh;
  background: var(--color-off-white);
  color: var(--color-grafite);
  font-family: var(--font-body);
  font-weight: var(--weight-body-regular);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: var(--weight-display-bold);
  line-height: var(--leading-tight);
}

img,
picture,
video,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

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

.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;
}

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

/* Skip link */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 100;
  padding: var(--space-3) var(--space-5);
  background: var(--color-off-white);
  color: var(--color-grafite);
  border-radius: 0 0 8px 8px;
  font-weight: var(--weight-body-semibold);
}

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

/* Primitivos de layout — usados por toda seção em src/templates/sections/ */

.container {
  width: 100%;
  max-width: 74rem;
  margin-inline: auto;
  padding-inline: var(--space-5);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-7);
  }
}

.section {
  padding-block: var(--space-8);
}

@media (min-width: 1024px) {
  .section {
    padding-block: var(--space-10);
  }
}

.section--dark {
  background: var(--color-terra);
  color: var(--color-white);
}

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

.kicker {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: var(--weight-body-semibold);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-colheita);
  margin-block-end: var(--space-3);
}

.section--dark .kicker {
  color: var(--color-palha);
}

.section-heading {
  font-size: var(--text-2xl);
  margin-block-end: var(--space-4);
}

.section-lead {
  font-size: var(--text-lg);
  max-width: 42rem;
}

.section--dark .section-lead {
  color: var(--color-palha);
}

/* Botão */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: var(--space-3) var(--space-6);
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: var(--weight-body-semibold);
  font-size: var(--text-base);
  border: 2px solid transparent;
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.btn-primary {
  background: var(--color-colheita);
  color: var(--color-white);
}

.btn-primary:hover {
  background: #a84f09;
}

.btn-primary:active {
  transform: scale(0.98);
}

/* Números/estatísticas de destaque — about, audience, reach */

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-weight: var(--weight-display-bold);
  font-size: var(--text-3xl);
  color: var(--color-colheita);
  line-height: var(--leading-tight);
}

.stat-label {
  display: block;
  margin-block-start: var(--space-2);
}

/* Selo de dado provisório do Instagram — obrigatório em todo bloco de métrica (CLAUDE.md §7.3) */

.data-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-grafite);
  opacity: 0.75;
}

.section--dark .data-badge {
  color: var(--color-palha);
}

/* Grão sutil — CLAUDE.md §8 ("ruído discreto, nunca gradiente sintético"). SVG feTurbulence, sem asset externo. */

.texture-grain {
  position: relative;
  isolation: isolate;
}

.texture-grain::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.05;
  mix-blend-mode: overlay;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}