/* Cor, tipografia e o motivo gráfico. Estrutura fica em layout.css, que é
   carregado depois: estrutura precisa ganhar do tema quando os dois tocam o
   mesmo seletor. Nenhum valor de cor aqui — tudo sai de tokens.css. */

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

body {
  background: var(--gradient-depth);
  background-attachment: fixed;
  color: hsl(var(--foreground));
  font-family: var(--font-body);
  font-size: var(--step-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: hsl(var(--foreground));
  margin: 0 0 var(--space-4);
  /* Fraunces tem eixos ópticos; sem isso o navegador usa o padrão e o título
     perde o contraste alto que justifica a escolha em fundo escuro. */
  font-variation-settings: 'SOFT' 0, 'WONK' 0;
}

h1 {
  font-size: var(--step-display);
}
h2 {
  font-size: var(--step-2);
}
h3 {
  font-size: var(--step-1);
}

p {
  margin: 0 0 var(--space-4);
}

a {
  color: hsl(var(--gold));
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: var(--transition-luxury);
}
a:hover {
  color: hsl(var(--gold-dark));
}

:focus-visible {
  outline: 2px solid hsl(var(--aqua));
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.muted {
  color: hsl(var(--muted-fg));
}

.lead-text {
  font-size: var(--step-lead);
  color: hsl(var(--muted-fg));
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.icon {
  width: 1.1em;
  height: 1.1em;
  flex: none;
}

/* Graus de certeza --------------------------------------------------------- */

/* O que o site sabe, o que ele supõe e o que ele não sabe são tratados como
   profundidades diferentes da mesma água: o confirmado fica na superfície, em
   contraste cheio; o conceito ganha o filete gold; o não divulgado afunda num
   fundo mais escuro que a própria página. A cor do selo repete o código, mas
   nunca é o único portador dele. */

.tier {
  border-radius: var(--radius);
}

.tier--confirmado {
  background: hsl(var(--surface));
  border: 1px solid hsl(var(--border));
}

.tier--conceitual {
  background: hsl(var(--surface) / 0.6);
  border: 1px solid hsl(var(--border-soft));
  border-left: 2px solid hsl(var(--gold) / 0.7);
}

.tier--nao-divulgado {
  background: hsl(var(--abyss));
  border: 1px solid hsl(var(--border-soft));
  color: hsl(var(--submerged-fg));
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--step-micro);
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
  color: hsl(var(--muted-fg));
}
.badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex: none;
}
.badge--confirmado {
  color: hsl(var(--aqua));
}
.badge--conceitual {
  color: hsl(var(--gold));
}
.badge--nao-divulgado {
  color: hsl(var(--submerged-fg));
}

/* Botões ------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: var(--step-body);
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-luxury);
}
.btn--primary {
  background: hsl(var(--gold));
  color: hsl(var(--background));
  box-shadow: var(--shadow-gold);
}
.btn--primary:hover:not(:disabled) {
  background: hsl(var(--gold-dark));
  color: hsl(var(--background));
}
.btn--ghost {
  background: transparent;
  border-color: hsl(var(--border));
  color: hsl(var(--foreground));
}
.btn--ghost:hover:not(:disabled) {
  border-color: hsl(var(--aqua));
  color: hsl(var(--foreground));
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

/* Campos do formulário ----------------------------------------------------- */

label,
legend {
  display: block;
  font-size: var(--step-small);
  font-weight: 600;
  color: hsl(var(--muted-fg));
  margin-bottom: var(--space-2);
}

input,
select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  color: hsl(var(--foreground));
  font-family: var(--font-body);
  font-size: var(--step-body);
  transition: var(--transition-luxury);
}
input::placeholder {
  color: hsl(var(--muted-fg) / 0.65);
}
input:focus,
select:focus {
  border-color: hsl(var(--aqua));
  outline: none;
  box-shadow: 0 0 0 3px hsl(var(--aqua) / 0.2);
}
input[aria-invalid='true'] {
  border-color: hsl(var(--gold));
}

.field__error {
  margin: var(--space-2) 0 0;
  font-size: var(--step-small);
  color: hsl(var(--gold));
}

/* Cartão de opção: o input real fica escondido, mas segue recebendo foco — o
   anel de foco é desenhado no label irmão. */
.option input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}
.option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: hsl(var(--surface));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition-luxury);
}
.option:hover {
  border-color: hsl(var(--aqua) / 0.6);
}
.option:has(input:focus-visible) {
  outline: 2px solid hsl(var(--aqua));
  outline-offset: 3px;
}
.option:has(input:checked) {
  border-color: hsl(var(--gold));
  background: hsl(var(--surface-raised));
}
.option__icon {
  display: inline-flex;
  color: hsl(var(--aqua));
}
.option:has(input:checked) .option__icon {
  color: hsl(var(--gold));
}
.option__text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}
.option__label {
  font-weight: 600;
  color: hsl(var(--foreground));
}
.option__hint {
  font-size: var(--step-small);
  color: hsl(var(--muted-fg));
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}