/* LIRORA — base.css (FASE 2: fundação dark definitiva) */

/* Fontes locais do projeto (WOFF2 variáveis, sem CDN), em src/assets/fonts/
   conforme a estrutura oficial do PROJECT.md §8. */
@font-face {
  font-family: "Fraunces";
  src:
    url("../assets/fonts/fraunces-variable.woff2") format("woff2"),
    local("Fraunces");
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src:
    url("../assets/fonts/inter-variable.woff2") format("woff2"),
    local("Inter");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size-body);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
}

::selection {
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 500;
  margin: 0 0 var(--space-2);
}

h1 {
  font-size: var(--font-size-display);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--font-size-h2);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--font-size-h3);
  line-height: 1.3;
}

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

a {
  color: var(--color-text);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-accent-hover);
}

hr {
  border: 0;
  border-top: var(--border-hairline);
  margin: var(--space-4) 0;
}

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

button {
  padding: var(--space-1) var(--space-2);
  margin: 0 var(--space-1) var(--space-1) 0;
  cursor: pointer;
  border: var(--border-hairline);
  border-radius: var(--radius-control);
  background-color: var(--color-surface);
  color: var(--color-text);
}

button:hover {
  border-color: var(--color-border-strong);
  background-color: var(--color-surface-elevated);
}

button:active {
  transform: translateY(1px);
}

button:disabled {
  color: var(--color-disabled);
  cursor: not-allowed;
}

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

.skip-link {
  position: absolute;
  left: var(--space-2);
  top: -100px;
  background: var(--color-surface-elevated);
  color: var(--color-text);
  padding: var(--space-1) var(--space-2);
  z-index: var(--z-skip);
}

.skip-link:focus {
  top: var(--space-2);
}

/* Suporte estrutural a reduced motion.
   JUSTIFICATIVA !important (RULES §9): kill-switch global — nenhuma animação ou
   transição declarada em qualquer camada pode sobreviver à preferência do usuário;
   especificidade normal jamais garantiria isso. */
@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;
  }
}