/* =========================================================
   DESIGN SYSTEM — Tokens
   Consulte DESIGN_SYSTEM.md e a página /design-system/
   ========================================================= */

:root {
  /* ---- Cores — brand ---- */
  --accent: #0e7c5a;        /* verde esmeralda — cor primária */
  --accent-dark: #0a5c42;   /* hover / estados pressionados */
  --accent-soft: #e7f1ec;   /* superfícies tintadas com a marca */

  /* ---- Cores — neutros ---- */
  --ink: #191919;           /* texto primário */
  --ink-soft: #3a3a3a;      /* texto secundário (corpo) */
  --muted: #6f6f6f;         /* texto de apoio / meta */
  --paper: #ffffff;         /* fundo principal */
  --bg-alt: #f4f4f1;        /* fundo alternativo (boxes, cards) */
  --border: #e2e2dc;        /* hairline */
  --border-strong: #c9c9c2; /* separadores fortes */

  /* ---- Cores — sobre escuro ---- */
  --overlay: rgba(25, 25, 25, .92);
  --on-dark: #ffffff;
  --on-dark-muted: #a9a9a9;
  --on-dark-weak: #cfcfcf;
  --on-dark-border: rgba(255, 255, 255, .18);
  --on-accent: #ffffff;
  --on-accent-soft: rgba(255, 255, 255, .92);

  /* ---- Tipografia — famílias ---- */
  --serif: Georgia, "Times New Roman", "Liberation Serif", serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* ---- Tipografia — escala ---- */
  --text-2xs: .78rem;    /* kicker */
  --text-xs: .82rem;     /* nav, taglines, rótulos */
  --text-sm: .86rem;     /* meta, botões texto */
  --text-base: 1.25rem;  /* corpo */
  --text-md: 1.15rem;    /* destaques, listas */
  --text-lg: 1.3rem;     /* excerpt da capa */
  --text-xl: 1.4rem;     /* título do card */
  --text-2xl: 1.65rem;   /* título do summary */
  --text-3xl: clamp(1.75rem, 4vw + 1rem, 2.45rem);   /* títulos de página */
  --text-4xl: clamp(2rem, 4vw + 1rem, 2.75rem);      /* título de post */
  --text-display: clamp(2.4rem, 5vw + 1rem, 4rem);   /* manchete da capa (home larga) */

  /* ---- Espaçamento ---- */
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 1.75rem;
  --space-8: 2rem;
  --space-9: 2.5rem;
  --space-10: 3rem;
  --space-11: 3.5rem;
  --space-12: 4rem;

  /* ---- Raios ---- */
  --radius-sm: 3px;
  --radius-md: 6px;

  /* ---- Bordas ---- */
  --border-width: 1px;
  --top-rule: 3px;

  /* ---- Layout ---- */
  --container: 46rem;
  --container-wide: 74rem;

  /* ---- Movimento ---- */
  --duration-fast: .15s;
  --duration-med: .35s;
  --ease: ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: var(--text-base);
  line-height: 1.75;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

/* ---- Full-bleed e break-out ----
   .full-bleed: sangra até a borda da viewport.
   .bleed-wide: sangra até --container-wide (74rem), centralizado.
   Funciona em qualquer elemento (figure, img, table, .video-embed, .katex-display). */
.full-bleed {
  width: 100vw;
  max-width: 100vw;
  margin-inline: calc(50% - 50vw);
}

.bleed-wide {
  --bleed-w: min(var(--container-wide), calc(100vw - 2 * var(--space-5)));
  width: var(--bleed-w);
  margin-inline: calc(50% - var(--bleed-w) / 2);
}

/* Modo largo por post (frontmatter `wide: true`): página mais larga,
   texto em medida legível e mídia usando a largura maior. */
main.container--wide {
  max-width: var(--container-wide);
}

.container--wide .post-kicker,
.container--wide .post-title,
.container--wide .post-meta,
.container--wide .resumo,
.container--wide .fontes,
.container--wide .faq,
.container--wide .share,
.container--wide .post-tags,
.container--wide .leia-tambem,
.container--wide .menu-contextual,
.container--wide .post-nav,
.container--wide .post-content > p,
.container--wide .post-content > h2,
.container--wide .post-content > h3,
.container--wide .post-content > h4,
.container--wide .post-content > h5,
.container--wide .post-content > h6,
.container--wide .post-content > ul,
.container--wide .post-content > ol,
.container--wide .post-content > blockquote,
.container--wide .post-content > hr,
.container--wide .post-content > pre,
.container--wide .post-content > .katex-display {
  max-width: var(--container);
  margin-inline: auto;
}

img {
  max-width: 100%;
  height: auto;
}

.post-content table {
  max-width: 100%;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---- Barra de progresso de leitura ---- */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: var(--top-rule);
  width: 0;
  background: var(--accent);
  z-index: 90;
  transition: width 60ms linear;
}

/* ---- Skip link ---- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--top-rule);
  background: var(--accent);
  color: #fff;
  padding: .5rem 1rem;
  z-index: 100;
}

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

/* ---- Header / masthead ---- */
.site-header {
  border-top: var(--top-rule) solid var(--accent);
  background: var(--paper);
}

.masthead {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .3rem 1.5rem;
  padding-top: 1.4rem;
  padding-bottom: 1.2rem;
  max-width: var(--container-wide);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  color: var(--ink);
}

.site-brand:hover {
  color: var(--ink);
  text-decoration: none;
}

.site-logo {
  height: 40px;
  width: 40px;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.site-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.45rem, 3vw + 1rem, 1.9rem);
  line-height: 1;
  letter-spacing: -.015em;
}

.site-tagline {
  margin: 0;
  color: var(--muted);
  font-family: var(--sans);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .09em;
}

.masthead-meta {
  text-align: right;
}

.site-date {
  margin: .25rem 0 0;
  color: var(--muted);
  font-family: var(--sans);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .09em;
}

/* Navegação */
.site-nav {
  border-top: var(--border-width) solid var(--border);
  border-bottom: var(--border-width) solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding-top: .65rem;
  padding-bottom: .65rem;
  max-width: var(--container-wide);
}

.nav-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1;
  text-transform: uppercase;
}

.nav-links a:hover {
  color: var(--accent);
  text-decoration: none;
}

.search-toggle {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  background: none;
  border: 0;
  padding: .3rem .5rem;
  cursor: pointer;
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1;
  text-transform: uppercase;
}

.search-toggle:hover {
  color: var(--accent);
}

/* Botão hambúrguer (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: transform var(--duration-fast) var(--ease), opacity var(--duration-fast) var(--ease);
}

.nav-toggle:hover span {
  background: var(--accent);
}

.site-nav.is-open .nav-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-nav.is-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.site-nav.is-open .nav-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ---- Main ---- */
main.container {
  padding: var(--space-5) var(--space-5) var(--space-11);
}

/* ---- Kicker / rótulos ---- */
.post-kicker {
  margin: 0 0 .55rem;
  font-family: var(--sans);
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
}

.post-kicker a {
  color: var(--accent);
}

.post-kicker a:hover {
  color: var(--accent-dark);
  text-decoration: none;
}

.section-label {
  font-family: var(--sans);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.section-label::after {
  content: "";
  flex: 1;
  border-top: var(--border-width) solid var(--border);
}

/* ---- Capa (matéria principal da home) ---- */
.cover {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 3rem;
  padding-bottom: var(--space-9);
  margin-bottom: var(--space-10);
  border-bottom: 2px solid var(--ink);
}

.cover-media {
  margin: 0;
  align-self: start;
}

/* O corpo estica até a altura da imagem; "Ler artigo completo" ancora na base,
   eliminando o vazio no rodapé da manchete. */
.cover-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.cover-body .read-more {
  margin-top: auto;
}

.cover-media img {
  width: 100%;
  height: auto;
  display: block;
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-md);
}

.cover-media--fallback {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.cover-fallback-label {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 2.2rem;
  line-height: 1.05;
  color: var(--on-accent-soft);
}

.cover-title {
  margin: 0 0 .8rem;
  font-family: var(--serif);
  font-size: var(--text-display);
  line-height: 1.06;
  letter-spacing: -.015em;
}

.cover-title a {
  color: var(--ink);
}

.cover-title a:hover {
  color: var(--accent);
  text-decoration: none;
}

.cover-excerpt {
  margin: 1.2rem 0 1rem;
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---- Grade de destaques (cards) ---- */
.card-grid-section {
  margin: 0 0 var(--space-10);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8) var(--space-7);
  margin-top: var(--space-5);
}

.post-card {
  display: flex;
  flex-direction: column;
}

.post-card-media {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: .9rem;
  background: var(--bg-alt);
}

.post-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--duration-med) var(--ease);
}

.post-card:hover .post-card-media img {
  transform: scale(1.04);
}

.post-card-media--fallback {
  display: flex;
  align-items: flex-end;
  padding: 1.1rem;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  border-color: transparent;
}

.post-card-fallback-label {
  font-family: var(--serif);
  font-weight: 700;
  font-size: var(--text-md);
  line-height: 1.15;
  color: var(--on-accent-soft);
}

.post-card-title {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.2vw + 0.8rem, 1.8rem);
  line-height: 1.3;
  letter-spacing: -.005em;
  margin: 0 0 .5rem;
}

.post-card-title a {
  color: var(--ink);
}

.post-card-title a:hover {
  color: var(--accent);
  text-decoration: none;
}

.post-card .post-meta {
  margin-bottom: 0;
}

/* ---- Editorias ---- */
.editorias {
  margin: 0 0 var(--space-10);
}

.editorias-strip {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: var(--space-5);
}

.editoria-link {
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  padding: .55rem 1.1rem;
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--sans);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink);
  transition: color var(--duration-fast), border-color var(--duration-fast);
}

.editoria-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  text-decoration: none;
}

.editoria-count {
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: 600;
}

/* ---- Post meta ---- */
.post-meta {
  font-family: var(--sans);
  font-size: var(--text-sm);
  letter-spacing: .04em;
  color: var(--muted);
  margin: 0 0 .6rem;
}

.post-meta a {
  color: var(--muted);
}

.post-meta-sep {
  margin: 0 .45rem;
  color: var(--border-strong);
}

/* ---- Listas ---- */
.list-title {
  font-family: var(--serif);
  font-size: var(--text-3xl);
  line-height: 1.15;
  letter-spacing: -.01em;
  margin: 0 0 .75rem;
}

.list-content {
  color: var(--muted);
  font-size: var(--text-md);
}

.post-list {
  margin-top: var(--space-8);
}

/* "Últimas publicações" da home: grade editorial em duas colunas,
   filetes horizontais alinhados por linha e divisor vertical entre colunas. */
.latest .post-list {
  margin-top: var(--space-6);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 0;
}

.latest .post-list > .post-summary {
  padding: var(--space-6) 1.5rem;
  border-bottom: var(--border-width) solid var(--border);
}

.latest .post-list > .post-summary:nth-child(odd) {
  padding-left: 0;
  border-right: var(--border-width) solid var(--border);
}

.latest .post-list > .post-summary:nth-child(even) {
  padding-right: 0;
}

.latest .post-list > .post-summary:first-child {
  border-top: none;
}

/* Excerto limitado a 3 linhas para manter as colunas alinhadas */
.latest .post-summary-text {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero-more {
  margin-top: var(--space-8);
  font-family: var(--sans);
  font-size: .95rem;
}

.post-summary {
  padding: var(--space-7) 0;
  border-bottom: var(--border-width) solid var(--border);
}

/* Com imagem de capa, o item empilha a imagem sobre o texto (como nos cards) */
.post-summary:has(.post-summary-media) {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.post-summary:first-child {
  border-top: var(--border-width) solid var(--border);
}

.post-summary-media {
  min-width: 0;
}

.post-summary-media a,
.post-summary-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-md);
}

.post-summary-media--fallback {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
}

.post-summary-body {
  min-width: 0;
}

.post-summary-title {
  font-family: var(--serif);
  font-size: var(--text-2xl);
  line-height: 1.25;
  letter-spacing: -.005em;
  margin: 0 0 .5rem;
}

.post-summary-title a {
  color: var(--ink);
}

.post-summary-title a:hover {
  color: var(--accent);
  text-decoration: none;
}

/* Home larga (estilo revista): títulos da lista de "Últimas publicações" ampliados */
.latest .post-summary-title {
  font-size: clamp(1.65rem, 2.4vw + 1rem, 2.15rem);
}

.post-summary-text {
  margin: .65rem 0 .8rem;
  color: var(--ink-soft);
}

.read-more {
  font-family: var(--sans);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
}

/* ---- Post único ---- */
.post-header {
  border-bottom: var(--border-width) solid var(--border);
  padding-bottom: var(--space-6);
  margin-bottom: var(--space-9);
}

.post-title {
  font-family: var(--serif);
  font-size: var(--text-4xl);
  line-height: 1.12;
  letter-spacing: -.01em;
  margin: 0 0 .8rem;
}

.post-featured {
  margin: 1.5rem 0 0;
}

.post-featured img {
  width: 100%;
  height: auto;
  border: var(--border-width) solid var(--border);
  border-radius: 4px;
}

.post-content {
  overflow-wrap: break-word;
}

/* Justificação do texto corrido do artigo (com hifenização) */
.post-content p,
.post-content blockquote {
  text-align: justify;
  -webkit-hyphens: auto;
  hyphens: auto;
}

.post-content h2 {
  font-family: var(--serif);
  font-size: 1.95rem;
  line-height: 1.25;
  margin: 2.75rem 0 .85rem;
}

.post-content h3 {
  font-family: var(--serif);
  font-size: 1.55rem;
  line-height: 1.3;
  margin: 2.25rem 0 .75rem;
}

.post-content h4,
.post-content h5,
.post-content h6 {
  font-family: var(--sans);
  line-height: 1.3;
  margin: 1.9rem 0 .6rem;
}

.post-content h5 {
  font-size: 1.1rem;
}

.post-content p {
  margin: 0 0 1.5rem;
}

.post-content ul,
.post-content ol {
  margin: 0 0 1.35rem;
  padding-left: 1.5rem;
}

.post-content li {
  margin-bottom: .35rem;
}

.post-content blockquote {
  border-left: 4px solid var(--accent);
  margin: 2.25rem 0;
  padding: .4rem 1.4rem;
  background: var(--bg-alt);
  color: var(--ink-soft);
  font-style: italic;
  font-size: 1.05em;
}

.post-content blockquote p:last-child {
  margin-bottom: .4rem;
}

.post-content img {
  max-width: 100%;
  height: auto;
}

.post-content figure {
  margin: 2.25rem 0;
  text-align: center;
}

.post-content figure img {
  max-width: 100%;
  height: auto;
}

.post-content figure figcaption {
  font-family: var(--sans);
  font-size: var(--text-sm);
  color: var(--muted);
  margin-top: .5rem;
}

/* Full-bleed dentro do conteúdo: sangra até a borda da viewport.
   Especificidade maior que as regras de .post-content figure/table/video. */
.post-content figure.full-bleed,
.post-content .video-embed.full-bleed,
.post-content table.full-bleed,
.post-content .katex-display.full-bleed {
  width: 100vw;
  max-width: 100vw;
  margin-inline: calc(50% - 50vw);
  border-radius: 0;
}

.post-content figure.bleed-wide,
.post-content .video-embed.bleed-wide,
.post-content table.bleed-wide,
.post-content .katex-display.bleed-wide {
  --bleed-w: min(var(--container-wide), calc(100vw - 2 * var(--space-5)));
  width: var(--bleed-w);
  max-width: var(--bleed-w);
  margin-inline: calc(50% - var(--bleed-w) / 2);
}

.post-content figure.full-bleed img,
.post-content figure.bleed-wide img {
  width: 100%;
  border: 0;
  border-radius: 0;
}

.post-content figure.full-bleed figcaption,
.post-content figure.bleed-wide figcaption {
  max-width: var(--container);
  margin: .6rem auto 0;
  padding: 0 var(--space-5);
}

/* Capa (hero) em full-bleed via frontmatter hero_fullbleed */
.post-featured.full-bleed {
  width: 100vw;
  max-width: 100vw;
  margin-inline: calc(50% - 50vw);
}

.post-featured.full-bleed img {
  border: 0;
  border-radius: 0;
}

.post-content hr {
  border: 0;
  border-top: var(--border-width) solid var(--border);
  margin: 2.5rem 0;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 1.05rem;
}

.post-content th,
.post-content td {
  border: var(--border-width) solid var(--border);
  padding: .55rem .8rem;
  text-align: left;
  vertical-align: top;
}

.post-content th {
  background: var(--bg-alt);
  font-family: var(--sans);
}

.post-content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .9em;
  background: var(--bg-alt);
  padding: .1em .35em;
  border-radius: var(--radius-sm);
}

.post-content pre {
  background: var(--bg-alt);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  overflow-x: auto;
}

.post-content pre code {
  background: none;
  padding: 0;
}

.post-content .broken_link {
  color: var(--muted);
  text-decoration: line-through;
}

/* Embed de vídeo responsivo (16:9) */
.video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  margin: var(--space-8) 0;
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.wp-block-image {
  margin: 2rem 0;
}

.wp-block-image img {
  max-width: 100%;
  height: auto;
}

.aligncenter {
  text-align: center;
}

.aligncenter img {
  display: block;
  margin: 0 auto;
}

.post-tags {
  font-family: var(--sans);
  font-size: .85rem;
  color: var(--muted);
  margin: var(--space-6) 0 0;
}

.post-tags .taxonomy-label {
  font-weight: 700;
}

/* ---- Compartilhamento ---- */
.share {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 0;
  margin: var(--space-9) 0 var(--space-6);
  border-top: var(--border-width) solid var(--border);
  border-bottom: var(--border-width) solid var(--border);
}

.share-label {
  font-family: var(--sans);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

.share-links {
  display: flex;
  gap: .6rem;
}

.share-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: var(--border-width) solid var(--border);
  border-radius: 50%;
  color: var(--ink);
  transition: color var(--duration-fast), border-color var(--duration-fast);
}

.share-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  text-decoration: none;
}

/* ---- Newsletter ---- */
.newsletter {
  margin: 2rem 0;
  padding: 2rem 2rem 1.75rem;
  background: var(--bg-alt);
  border-top: 2px solid var(--accent);
  text-align: center;
}

.newsletter-title {
  font-family: var(--serif);
  font-size: 1.6rem;
  margin: 0 0 .5rem;
}

.newsletter-text {
  color: var(--muted);
  margin: 0 auto 1.4rem;
  max-width: 34rem;
  font-size: 1rem;
}

.newsletter-form {
  display: flex;
  align-items: center;
  gap: .6rem;
  max-width: 26rem;
  margin: 0 auto;
}

.newsletter-input {
  flex: 1;
  min-width: 0;
  padding: .7rem .9rem;
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--paper);
  font-family: var(--sans);
  font-size: .95rem;
  line-height: 1;
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--accent);
}

.newsletter-btn {
  padding: .7rem 1.2rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--sans);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .05em;
  line-height: 1;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
}

.newsletter-btn:hover {
  background: var(--accent-dark);
}

/* ---- TOC / relacionados / AdSense ---- */
.adsense {
  margin: var(--space-9) 0;
  min-height: 100px;
  text-align: center;
}

.adsense ins {
  display: block;
}

.adsense--inarticle {
  margin: var(--space-8) 0 var(--space-9);
}

.adsense--end {
  margin: var(--space-9) 0;
}

.adsense--list,
.adsense--home {
  margin: var(--space-8) auto;
  min-height: 120px;
}

.toc,
.related {
  background: var(--bg-alt);
  border: var(--border-width) solid var(--border);
  border-radius: 4px;
  padding: 1.3rem 1.5rem;
  margin: 2rem 0;
  font-family: var(--sans);
  font-size: 1.05rem;
}

.toc-title,
.related-title {
  font-weight: 700;
  margin: 0 0 .6rem;
}

.toc ul,
.related ul {
  margin: 0;
  padding-left: 1.1rem;
}

.toc li,
.related li {
  margin-bottom: .3rem;
}

.toc a,
.related a {
  color: var(--ink);
}

.toc a:hover,
.related a:hover {
  color: var(--accent);
}

/* ---- Navegação entre posts ---- */
.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: var(--border-width) solid var(--border);
  font-family: var(--sans);
  font-size: .92rem;
}

.post-nav-next {
  margin-left: auto;
  text-align: right;
}

/* ---- Taxonomias ---- */
.term-list {
  list-style: none;
  display: grid;
  gap: .7rem;
  padding: 0;
  margin-top: var(--space-9);
}

.term-list a {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--ink);
}

.term-list a:hover {
  color: var(--accent);
  text-decoration: none;
}

.term-list .count {
  color: var(--muted);
  font-size: .85rem;
  margin-left: .4rem;
}

/* ---- 404 ---- */
.not-found {
  text-align: center;
  padding: 4rem 0;
}

.not-found-title {
  font-family: var(--serif);
  font-size: var(--text-3xl);
}

/* ---- Paginação ---- */
.pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .4rem;
  list-style: none;
  padding: 0;
  margin-top: var(--space-10);
  font-family: var(--sans);
  font-size: .9rem;
}

.pagination a,
.pagination .page-link {
  display: inline-block;
  padding: .4rem .75rem;
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--ink);
}

.pagination a:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.pagination .active .page-link {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ---- Busca (overlay) ---- */
.no-scroll {
  overflow: hidden;
}

.search-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay);
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 12vh 1.25rem 2rem;
  overflow-y: auto;
}

.search-overlay[hidden] {
  display: none;
}

.search-box {
  width: min(36rem, 100%);
}

.search-form {
  display: flex;
  align-items: center;
  gap: .75rem;
  border-bottom: 2px solid var(--accent);
  padding-bottom: .6rem;
}

.search-icon {
  color: var(--accent);
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  color: #fff;
  font-family: var(--serif);
  font-size: 1.6rem;
  line-height: 1.4;
}

.search-input:focus {
  outline: none;
}

.search-input::placeholder {
  color: var(--on-dark-muted);
}

.search-close {
  background: none;
  border: 0;
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  padding: .2rem .4rem;
}

.search-close:hover {
  color: var(--accent);
}

.search-results {
  margin-top: 1.25rem;
}

.search-result {
  display: block;
  padding: .9rem 0;
  border-bottom: 1px solid var(--on-dark-border);
}

.search-result:hover {
  text-decoration: none;
}

.search-result-title {
  display: block;
  color: #fff;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 700;
}

.search-result:hover .search-result-title {
  color: var(--accent);
}

.search-result-meta {
  display: block;
  color: var(--on-dark-muted);
  font-family: var(--sans);
  font-size: .8rem;
  margin-top: .2rem;
}

.search-empty {
  color: var(--on-dark-weak);
  font-family: var(--sans);
  font-size: .95rem;
  text-align: center;
  padding: 1.5rem 0;
}

/* ---- Voltar ao topo ---- */
.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  border: var(--border-width) solid var(--border);
  border-radius: 50%;
  background: var(--paper);
  color: var(--ink);
  font-size: 1.15rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity .2s, transform .2s, color var(--duration-fast);
  z-index: 80;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* =========================================================
   MASSIVE FOOTER / GIGANTIC FOOTER (CLARO)
   ========================================================= */
.site-footer {
  background: var(--bg-alt);
  color: var(--muted);
  border-top: 4px solid var(--accent);
  font-family: var(--sans);
  position: relative;
  width: 100%;
  margin-top: var(--space-12);
  overflow-x: clip;
  padding: var(--space-11) 0 var(--space-8);
}

.footer-container {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

/* ---- Header / Top do Rodapé ---- */
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: var(--space-6) var(--space-8);
  padding-bottom: var(--space-8);
}

.footer-brand-meta {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.footer-logo {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  object-fit: contain;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .06);
  background: var(--paper);
  padding: 4px;
  border: 1px solid var(--border);
}

.footer-tagline {
  font-family: var(--sans);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--accent);
  margin: 0 0 .25rem;
}

.footer-stats {
  font-family: var(--sans);
  font-size: .95rem;
  color: var(--ink-soft);
  margin: 0;
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-family: var(--sans);
  font-size: .92rem;
  font-weight: 600;
  letter-spacing: .02em;
  transition: color var(--duration-fast) var(--ease);
}

.footer-nav a:hover {
  color: var(--accent);
  text-decoration: none;
}

.footer-nav-sep {
  color: var(--border-strong);
  font-size: .9rem;
  user-select: none;
}

.footer-back-top {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--ink);
  padding: .45rem .95rem;
  font-family: var(--sans);
  font-size: .84rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease);
}

.footer-back-top:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  transform: translateY(-2px);
}

/* ---- The Massive Brand Canvas (Full Viewport Width) ---- */
.massive-brand-canvas {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding: var(--space-8) 0 var(--space-6);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--paper);
  position: relative;
  overflow: hidden;
}

.massive-brand-link {
  display: block;
  width: 100%;
  text-decoration: none;
  outline: none;
}

.massive-brand-svg {
  width: 100%;
  height: auto;
  display: block;
  max-height: 28vh;
}

.massive-brand-svg--mobile {
  display: none;
}

.massive-brand-svg text {
  font-family: var(--serif);
  font-weight: 700;
  fill: var(--ink);
  letter-spacing: .02em;
  transition: fill var(--duration-med) var(--ease);
}

.massive-brand-link:hover .massive-brand-svg text {
  fill: var(--accent);
}

/* ---- Bottom Colophon ---- */
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: var(--space-6);
  font-size: .84rem;
  color: var(--muted);
}

.footer-copy {
  margin: 0;
  color: var(--ink-soft);
}

.footer-copy strong {
  color: var(--ink);
}

.footer-notice {
  margin: .35rem 0 0;
  font-size: .8rem;
  color: var(--muted);
}

/* ---- Responsivo ---- */
/* Capa empilha antes para a manchete nunca ficar espremida */
@media (max-width: 56em) {
  .cover {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .cover-excerpt {
    font-size: 1.1rem;
  }

  /* Em coluna única o corpo não estica mais; "Ler artigo completo" segue o fluxo */
  .cover-body .read-more {
    margin-top: var(--space-6);
  }

  /* "Últimas publicações" volta a coluna única */
  .latest .post-list {
    grid-template-columns: 1fr;
  }

  .latest .post-list > .post-summary {
    padding: var(--space-7) 0;
  }

  .latest .post-list > .post-summary:nth-child(odd) {
    padding-left: 0;
    border-right: none;
  }

  .latest .post-list > .post-summary:nth-child(even) {
    padding-right: 0;
  }

  .latest .post-list > .post-summary:first-child {
    border-top: var(--border-width) solid var(--border);
  }
}

@media (max-width: 48em) {
  body {
    font-size: 1.15rem;
  }

  main.container {
    padding: var(--space-4) var(--space-4) var(--space-10);
  }

  .masthead {
    align-items: flex-start;
  }

  .masthead-meta {
    width: 100%;
    text-align: left;
  }

  .nav-inner {
    flex-wrap: wrap;
    gap: .8rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: .9rem;
    padding: .25rem 0 .5rem;
  }

  .site-nav.is-open .nav-links {
    display: flex;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-7) var(--space-5);
  }

  .post-nav {
    flex-direction: column;
    gap: .6rem;
  }

  .post-nav-next {
    margin-left: 0;
    text-align: left;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .search-overlay {
    padding-top: 8vh;
  }

  .search-input {
    font-size: 1.25rem;
  }

  /* Massive Footer — 48em */
  .site-footer {
    padding: var(--space-9) 0 var(--space-6);
  }

  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-6);
    padding-bottom: var(--space-6);
  }

  .massive-brand-svg--desktop {
    display: none;
  }

  .massive-brand-svg--mobile {
    display: block;
    max-height: 42vh;
  }

  .massive-brand-canvas {
    padding: var(--space-7) 0 var(--space-5);
  }

  .footer-nav {
    width: 100%;
    justify-content: flex-start;
    gap: .85rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: .5rem;
  }
}

@media (max-width: 30em) {
  body {
    font-size: 1.1rem;
  }

  .container {
    padding: 0 1rem;
  }

  .masthead {
    gap: .2rem 1rem;
  }

  .site-logo {
    height: 36px;
    width: 36px;
  }

  .nav-inner {
    gap: .5rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .post-content th,
  .post-content td {
    padding: .4rem .5rem;
    font-size: .95rem;
  }

  /* Tabelas largas: rolam horizontalmente em vez de estourar a página */
  .post-content table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .back-to-top {
    width: 38px;
    height: 38px;
    right: 1rem;
    bottom: 1rem;
  }

  .ds .ds-type-row,
  .ds .ds-spacing-row {
    flex-wrap: wrap;
    gap: .25rem;
  }

  .ds .ds-type-label {
    width: 100%;
  }

  .ds .ds-demo--row {
    flex-wrap: wrap;
  }

  /* Massive Footer — 30em */
  .footer-container {
    padding: 0 1rem;
  }

  .footer-brand-meta {
    gap: .75rem;
  }

  .footer-logo {
    width: 40px;
    height: 40px;
  }

  .footer-nav {
    gap: .65rem;
    font-size: .86rem;
  }
}
/* ---- Página de design system (/design-system/) ---- */
.ds .ds-header {
  border-bottom: 2px solid var(--ink);
  padding-bottom: var(--space-6);
  margin-bottom: var(--space-10);
}

.ds .ds-title {
  font-family: var(--serif);
  font-size: var(--text-display);
  line-height: 1.06;
  margin: 0 0 var(--space-2);
}

.ds .ds-lead {
  color: var(--muted);
  font-size: var(--text-md);
  margin: 0;
}

.ds .ds-section {
  margin: 0 0 var(--space-12);
}

.ds .ds-heading {
  font-family: var(--serif);
  font-size: var(--text-3xl);
  margin: 0 0 var(--space-6);
  padding-bottom: .4rem;
  border-bottom: var(--border-width) solid var(--border);
}

.ds .ds-sub {
  font-family: var(--sans);
  font-size: var(--text-xl);
  margin: var(--space-8) 0 var(--space-3);
}

.ds p {
  color: var(--ink-soft);
}

.ds code {
  font-family: var(--mono);
  font-size: .85em;
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  padding: .1em .35em;
}

.ds .ds-grid--colors {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr));
  gap: var(--space-4);
}

.ds .ds-swatch {
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.ds .ds-swatch-color {
  height: 3.5rem;
}

.ds .ds-swatch-name {
  font-family: var(--mono);
  font-size: .8rem;
  padding: .4rem .6rem 0;
}

.ds .ds-swatch-value {
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--muted);
  padding: 0 .6rem .5rem;
}

.ds .ds-type-row {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  border-bottom: var(--border-width) solid var(--border);
  padding: .7rem 0;
}

.ds .ds-type-label {
  font-family: var(--sans);
  font-size: .7rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  width: 11rem;
  flex-shrink: 0;
}

.ds .ds-type-sample {
  font-family: var(--serif);
  line-height: 1.25;
}

.ds .ds-spacing-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: .35rem 0;
}

.ds .ds-spacing-bar {
  display: inline-block;
  height: 12px;
  background: var(--accent);
  border-radius: var(--radius-sm);
}

.ds .ds-demo {
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin: var(--space-4) 0 var(--space-6);
  background: var(--paper);
}

.ds .ds-demo--dark {
  background: var(--overlay);
}

.ds .ds-demo--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.ds .ds-demo--row {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.ds .ds-demo .newsletter,
.ds .ds-demo .share,
.ds .ds-demo .toc,
.ds .ds-demo .related {
  margin-top: 0;
}

.ds .ds-demo .newsletter:first-child,
.ds .ds-demo .share:first-child {
  margin-top: 0;
}

.ds .ds-card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ds .ds-principles li {
  margin-bottom: .5rem;
  color: var(--ink-soft);
}

@media (max-width: 48em) {
  .ds .ds-demo--split {
    grid-template-columns: 1fr;
  }

  .ds .ds-card-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- Resumo executivo (TL;DR) ---- */
.resumo {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  margin: 0 0 var(--space-7);
}

.resumo-title {
  font-family: var(--sans);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin: 0 0 .6rem;
}

.resumo ul {
  margin: 0;
  padding-left: 1.25rem;
}

.resumo li {
  margin-bottom: .35rem;
  color: var(--ink-soft);
}

.resumo li:last-child {
  margin-bottom: 0;
}

/* ---- Leia também ---- */
.leia-tambem {
  background: var(--bg-alt);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  margin: var(--space-7) 0 var(--space-8);
  font-family: var(--sans);
  font-size: .95rem;
}

.leia-tambem-title {
  font-weight: 700;
  margin: 0 0 .6rem;
}

.leia-tambem ul {
  margin: 0;
  padding-left: 1.1rem;
}

.leia-tambem li {
  margin-bottom: .3rem;
}

.leia-tambem a {
  color: var(--ink);
}

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

/* ---- Fontes e referências ---- */
.fontes {
  margin: var(--space-9) 0 var(--space-7);
  padding-top: var(--space-6);
  border-top: var(--border-width) solid var(--border);
  font-family: var(--sans);
  font-size: .9rem;
  color: var(--muted);
}

.fontes-title {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 .6rem;
}

.fontes ul {
  margin: 0;
  padding-left: 1.1rem;
}

.fontes li {
  margin-bottom: .3rem;
  overflow-wrap: break-word;
}

/* ---- FAQ ---- */
.faq {
  margin: var(--space-8) 0;
}

.faq-title {
  font-family: var(--serif);
  font-size: var(--text-3xl);
  margin: 0 0 var(--space-5);
}

.faq-item {
  border-bottom: var(--border-width) solid var(--border);
}

.faq-item + .faq-item {
  border-top: 0;
}

.faq-question {
  cursor: pointer;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.15rem;
  padding: var(--space-4) 0;
  list-style: none;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: "+";
  color: var(--accent);
  font-size: 1.4rem;
  line-height: 1;
  flex-shrink: 0;
}

.faq-item[open] .faq-question::after {
  content: "–";
}

.faq-answer {
  padding: 0 0 var(--space-5);
  color: var(--ink-soft);
}

.faq-answer p {
  margin: 0;
}

/* KaTeX */
.katex-display {
  margin: var(--space-6) 0;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.25rem 0;
  -webkit-overflow-scrolling: touch;
}

.post-content .katex {
  font-size: 1.05em;
}