/* nada nunca · suspended editorial · 2026 */

/* ─── fontes auto-hospedadas ─────────────────────────────── */
@font-face {
  font-family: "Plex Serif";
  src: url("/assets/fonts/IBMPlexSerif-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Plex Serif";
  src: url("/assets/fonts/IBMPlexSerif-Italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Plex Serif";
  src: url("/assets/fonts/IBMPlexSerif-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Plex Mono";
  src: url("/assets/fonts/IBMPlexMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ─── tokens ─────────────────────────────────────────────── */
:root {
  --ink: #0A0A0C;
  --cream: #EFEEEA;
  --prussian: #0F1A2E;
  --moss: #1C2E1F;
  --wine: #3A0E1A;
  --ochre: #8A5A00;

  --bg: var(--cream);
  --fg: var(--ink);
  --hairline: color-mix(in srgb, var(--fg) 22%, transparent);
  --muted: color-mix(in srgb, var(--fg) 58%, transparent);

  --serif: "Plex Serif", "Iowan Old Style", "Apple Garamond", Georgia, serif;
  --mono: "Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --gap-xs: 0.25rem;
  --gap-s: 0.75rem;
  --gap-m: 1.5rem;
  --gap-l: 3rem;
  --gap-xl: 6rem;

  --rail: clamp(1.25rem, 5vw, 3.5rem);
  --max: 62rem;
  --measure: 32rem;
}

/* ─── reset sóbrio ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
::selection { background: var(--fg); color: var(--bg); }

/* ─── esqueleto da página ────────────────────────────────── */
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--serif);
  font-size: clamp(15px, 1vw + 10px, 18px);
  line-height: 1.5;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100svh;
}

/* ─── réguas / meta bars (grid, não absolute) ───────────── */
.meta {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: baseline;
  gap: var(--gap-m);
  padding: 1.25rem var(--rail);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--muted);
}
.meta--top { border-bottom: 1px solid var(--hairline); }
.meta--bottom { border-top: 1px solid var(--hairline); }
.meta > :nth-child(1) { text-align: left; }
.meta > :nth-child(2) { text-align: center; }
.meta > :nth-child(3) { text-align: right; }
.meta a:hover { color: var(--fg); }

/* ─── navegação editorial ────────────────────────────────── */
.nav {
  display: flex;
  gap: var(--gap-m);
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: lowercase;
}
.nav a {
  color: var(--muted);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 120ms ease, border-color 120ms ease;
}
.nav a:hover { color: var(--fg); border-color: var(--hairline); }
.nav a[aria-current="page"] { color: var(--fg); border-color: var(--fg); }

/* ─── conteúdo principal ─────────────────────────────────── */
main {
  padding: clamp(3rem, 10vh, 6rem) var(--rail);
  display: grid;
  gap: var(--gap-xl);
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
}

.measure { max-width: var(--measure); }

/* ─── tipografia editorial ───────────────────────────────── */
.wordmark {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(3rem, 12vw, 9rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  margin: 0;
  color: var(--fg);
}
.wordmark em {
  font-style: italic;
  font-weight: 400;
}

.lede {
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2vw + 0.5rem, 1.75rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  max-width: var(--measure);
  margin: 0;
}
.lede em { font-style: italic; }

.prose p {
  max-width: var(--measure);
  margin: 0 0 var(--gap-m) 0;
  font-size: 1.05rem;
  line-height: 1.55;
}
.prose p:last-child { margin-bottom: 0; }
.prose em { font-style: italic; }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 var(--gap-s) 0;
  text-transform: lowercase;
}
h1 { font-size: clamp(2rem, 4vw + 0.5rem, 3.5rem); line-height: 1; }
h2 { font-size: clamp(1.5rem, 2vw + 0.75rem, 2.25rem); line-height: 1.1; }
h3 { font-size: 1.1rem; line-height: 1.3; }

/* rótulo editorial (¶) */
.tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: lowercase;
  color: var(--muted);
  display: inline-block;
  margin-bottom: var(--gap-m);
}

/* ─── seções ─────────────────────────────────────────────── */
section { display: grid; gap: var(--gap-l); }
.stack { display: grid; gap: var(--gap-m); }
.stack--s { display: grid; gap: var(--gap-s); }
.stack--l { display: grid; gap: var(--gap-l); }

.rule {
  border: 0;
  border-top: 1px solid var(--hairline);
  margin: 0;
}

/* grid editorial 2 colunas */
.two {
  display: grid;
  gap: var(--gap-l);
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 820px) {
  .two { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--gap-xl); }
}

/* enumerações monoespaçadas */
.enum {
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.7;
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}
.enum li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: var(--gap-m);
  align-items: baseline;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--hairline);
}
.enum li:last-child { border-bottom: 0; }
.enum .n { color: var(--muted); }

/* ─── variantes cromáticas por página ────────────────────── */
body[data-skin="roleduca"] {
  --bg: var(--ink);
  --fg: var(--cream);
  --hairline: color-mix(in srgb, var(--fg) 18%, transparent);
  --muted: color-mix(in srgb, var(--fg) 55%, transparent);
}
body[data-skin="aplicacao"] {
  /* mantém ink on cream, mas acrescenta o azul como tinta de detalhe */
  --accent: var(--prussian);
}
body[data-skin="sobre"] {
  --accent: var(--moss);
}

.accent { color: var(--accent, var(--fg)); }

/* ─── CTA (botão editorial) ──────────────────────────────── */
.cta-row { margin: 0; }
.cta {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  font-family: var(--mono);
  font-size: 0.86rem;
  letter-spacing: 0.10em;
  text-transform: lowercase;
  color: var(--bg);
  background: var(--fg);
  border: 1px solid var(--fg);
  border-bottom: 1px solid var(--fg);
  transition: background 0.18s ease, color 0.18s ease;
}
.cta:hover,
.cta:focus-visible {
  background: transparent;
  color: var(--fg);
  border-color: var(--fg);
  border-bottom: 1px solid var(--fg);
}

/* ─── footer ─────────────────────────────────────────────── */
.colophon {
  display: grid;
  gap: var(--gap-s);
  padding: 2rem var(--rail);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--muted);
  border-top: 1px solid var(--hairline);
}
.colophon a:hover { color: var(--fg); }

/* ─── pares chave·valor ──────────────────────────────────── */
.kv {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.5rem var(--gap-m);
  font-family: var(--mono);
  font-size: 0.86rem;
  line-height: 1.6;
}
.kv dt { color: var(--muted); text-transform: lowercase; letter-spacing: 0.06em; }
.kv dd { margin: 0; }
.kv dd a { border-bottom: 1px solid var(--hairline); }
.kv dd a:hover { border-color: var(--fg); }

/* ─── responsividade extra ───────────────────────────────── */
@media (max-width: 520px) {
  .meta { grid-template-columns: 1fr 1fr; }
  .meta > :nth-child(2) { display: none; }
  .meta > :nth-child(3) { text-align: right; }
  .nav { gap: var(--gap-s); }
}

/* ─── impressão (não essencial, mas correto) ─────────────── */
@media print {
  body { background: #fff; color: #000; }
  .meta, .colophon { display: none; }
}

/* ─── foco acessível ─────────────────────────────────────── */
:focus-visible {
  outline: 1px solid var(--fg);
  outline-offset: 3px;
}