/* Seich · design tokens (marca/design-guide.md) */
:root {
  --bg:            #0f0f0d;
  --surface:       #1a1a17;
  --elevated:      #222220;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --text:          #e8e6df;
  --text-2:        rgba(232, 230, 223, 0.6);
  --text-3:        rgba(232, 230, 223, 0.35);
  /* --accent e --accent-hover ficam declarados como paleta de referencia:
     sao os tokens do botao primario, que esta pagina ainda nao tem. */
  --accent:        #4a5c3a;
  --accent-hover:  #5e7349;
  --accent-bright: #8aab6e;

  --r:    4px;
  --r-lg: 6px;

  --sp-sm:  8px;
  --sp-md:  16px;
  --sp-lg:  24px;
  --sp-xl:  40px;
  --sp-2xl: 64px;
  --sp-3xl: 128px;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Geist', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* i18n: PT e o padrao e sobrevive sem JavaScript */
html[data-lang="pt"] [data-i18n="en"],
html[data-lang="en"] [data-i18n="pt"] { display: none; }

a { color: inherit; }

.sr {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--r);
  padding: var(--sp-sm) var(--sp-md);
  font-size: 0.875rem;
  text-decoration: none;
  z-index: 10;
}
.skip:focus { left: var(--sp-md); top: var(--sp-md); }

:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- faixa ---------- */

.band {
  max-width: 1120px;
  margin: 0 auto;
  padding-inline: var(--sp-md);
}

/* ---------- header ---------- */

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-md);
  padding-block: var(--sp-lg);
  font-weight: 500;
}

.wordmark {
  font-size: 0.9375rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--text);
}

.langswitch {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  color: var(--text-3);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.langswitch button {
  appearance: none;
  background: none;
  border: 0;
  padding: 2px;
  margin: 0;
  font: inherit;
  color: var(--text-3);
  cursor: pointer;
  transition: color 120ms ease;
}
.langswitch button:hover { color: var(--text-2); }
.langswitch button[aria-current="true"] { color: var(--text); }

/* ---------- hero ---------- */

.hero {
  display: flex;
  flex-direction: column;
  min-height: 78svh;
  padding-block: var(--sp-2xl) var(--sp-lg);
}

.hero-texto { max-width: 46rem; }

h1 {
  margin: 0;
  font-weight: 900;
  font-size: clamp(2.375rem, 7vw, 4.75rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.lede {
  margin: var(--sp-lg) 0 0;
  max-width: 52ch;
  font-size: clamp(1.0625rem, 1.5vw, 1.1875rem);
  color: var(--text-2);
  text-wrap: pretty;
}

/* ficha tecnica ancorada no pe do hero */
.meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-md);
  margin: var(--sp-2xl) 0 0;
  padding-block-start: var(--sp-md);
  border-top: 1px solid var(--border-subtle);
}

.meta div { display: flex; gap: var(--sp-sm); align-items: baseline; }

.meta dt {
  flex: none;
  min-width: 5.5rem;
  color: var(--text-3);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.meta dd {
  margin: 0;
  color: var(--text-2);
  font-size: 0.875rem;
}

/* ---------- secoes ---------- */

.secao { padding-block-start: var(--sp-2xl); }
main > .secao:last-child { padding-block-end: var(--sp-2xl); }

.rotulo {
  display: flex;
  align-items: baseline;
  gap: var(--sp-sm);
  margin: 0 0 var(--sp-lg);
  color: var(--text-3);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.num, .indice {
  color: var(--accent-bright);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

/* ---------- principios: linhas editoriais, nao cards ---------- */

.principios {
  list-style: none;
  margin: 0;
  padding: 0;
}

.principios li {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-sm);
  padding-block: var(--sp-lg);
  border-top: 1px solid var(--border-subtle);
}
.principios li:last-child { border-bottom: 1px solid var(--border-subtle); }

.indice { font-size: 0.75rem; }

.principios h3 {
  margin: 0;
  font-weight: 700;
  font-size: clamp(1.0625rem, 1.8vw, 1.25rem);
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.principios p {
  margin: 0;
  max-width: 60ch;
  color: var(--text-2);
  font-size: 0.9375rem;
  text-wrap: pretty;
}

/* ---------- destaque: a unica superficie da pagina ---------- */

.destaque {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
}

.status {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  margin: 0 0 var(--sp-md);
  color: var(--text-3);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.status .dot {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--accent-bright);
}

.destaque h2 {
  margin: 0 0 var(--sp-md);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.destaque-corpo {
  margin: 0;
  max-width: 64ch;
  color: var(--text-2);
  text-wrap: pretty;
}

/* ---------- contato ---------- */

.contato {
  margin: 0;
  font-weight: 400;
  font-size: clamp(1.375rem, 4.4vw, 2.5rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
  word-break: break-word;
}
.contato a {
  text-decoration: none;
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 4px;
  transition: border-color 120ms ease, color 120ms ease;
}
.contato a:hover {
  color: var(--accent-bright);
  border-color: var(--accent-bright);
}

/* ---------- rodape ---------- */

.rodape {
  margin-block-start: var(--sp-2xl);
  padding-block: var(--sp-lg);
  border-top: 1px solid var(--border-subtle);
  color: var(--text-3);
  font-size: 0.75rem;
}

.colofon {
  margin: 0 0 var(--sp-lg);
  max-width: 62ch;
  line-height: 1.7;
}

.assinatura {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-md);
  margin: 0;
}

.wordmark-sm { font-weight: 500; letter-spacing: 0.08em; }
.year { font-variant-numeric: tabular-nums; }

/* ---------- 404 ---------- */

.erro {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 60svh;
  padding-block: var(--sp-2xl);
}

.codigo {
  margin: 0;
  font-weight: 900;
  font-size: clamp(3.5rem, 12vw, 6rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
}

.recado {
  margin: var(--sp-lg) 0 0;
  max-width: 42ch;
  color: var(--text-2);
  text-wrap: pretty;
}

.volta { margin: var(--sp-xl) 0 0; }
.volta a {
  text-decoration: none;
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 2px;
  transition: border-color 120ms ease, color 120ms ease;
}
.volta a:hover { color: var(--accent-bright); border-color: var(--accent-bright); }

/* ---------- telas maiores ---------- */

@media (min-width: 680px) {
  .band { padding-inline: var(--sp-xl); }
  .meta { grid-template-columns: repeat(3, 1fr); gap: var(--sp-xl); }
  .meta div { flex-direction: column; gap: 6px; }
  .meta dt { min-width: 0; }
  .destaque { padding: var(--sp-xl); }
}

@media (min-width: 960px) {
  .secao { padding-block-start: var(--sp-3xl); }
  main > .secao:last-child { padding-block-end: var(--sp-3xl); }
  .rodape { margin-block-start: var(--sp-3xl); }
  .principios li {
    grid-template-columns: 4rem minmax(0, 20rem) minmax(0, 1fr);
    gap: var(--sp-xl);
    align-items: start;
    padding-block: var(--sp-xl);
  }
  .indice { padding-block-start: 5px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 1ms !important; }
}