/* blog.css — Camada autoral do blog (índice + página de artigo).
   Consome apenas tokens e componentes do design system ÁUREO; nenhum arquivo
   de `tokens/base/animations/effects/components` é alterado por aqui.
   Carregada depois de landing.css. */

/* ============================================================
   1 · HERO DO BLOG
   ============================================================ */
.blog-hero {
  position: relative;
  z-index: 2;
  padding-top: clamp(8rem, 14vw, 11rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  text-align: center;
}
.blog-hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.blog-hero__glow {
  position: absolute;
  top: 0;
  left: 50%;
  width: min(760px, 92vw);
  height: 420px;
  translate: -50% -30%;
  background: radial-gradient(ellipse at center, var(--glow-gold-soft), transparent 68%);
  filter: blur(24px);
  pointer-events: none;
  z-index: -1;
}
.blog-hero__title { letter-spacing: var(--tracking-display); }
.blog-hero__lead { max-width: 62ch; color: var(--text-secondary); }
.blog-hero__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2) var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-muted);
}
.blog-hero__meta li { display: flex; align-items: center; gap: var(--space-2); }
.blog-hero__meta iconify-icon { color: var(--gold-400); font-size: 1.15em; }

/* ============================================================
   2 · CONTROLES — BUSCA + FILTRO POR CATEGORIA
   ============================================================ */
/* Faixa sticky de largura total: a máscara precisa sangrar até as bordas da
   viewport, por isso o .container fica dentro dela, e não o contrário. */
.blog-controls {
  position: sticky;
  top: 84px;
  z-index: 40;
  padding-block: var(--space-4);
  background: linear-gradient(180deg, var(--noir-950) 62%, rgba(4, 4, 4, 0));
}
.blog-controls__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.blog-controls .search { width: min(520px, 100%); }
/* Quebra em linhas em vez de cortar a última categoria fora da tela. */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 100%;
  border-radius: var(--radius-xl);
  row-gap: var(--space-1);
}
.blog-filters .tab {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
  cursor: pointer;
}
.blog-filters .tab__count {
  font-family: var(--font-mono);
  font-size: var(--fs-label-xs);
  opacity: 0.75;
}
.blog-count {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ============================================================
   3 · GRID E CARD DE ARTIGO
   ============================================================ */
.blog-list { padding-top: 0; }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-6);
}
.blog-grid--home { margin-top: 0; }
.blog-home-cta { display: flex; justify-content: center; margin-top: var(--space-7); }

.blog-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}
.blog-card.is-hidden { display: none; }

/* -- capa gerada (sem imagem): gradiente + grade + ícone da categoria -- */
.blog-card__cover {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(ellipse 70% 90% at 50% 120%, rgba(201, 162, 74, 0.22), transparent 70%),
    linear-gradient(155deg, var(--noir-800) 0%, var(--noir-900) 55%, var(--gold-900) 160%);
  border-bottom: 1px solid var(--border-hairline);
  overflow: hidden;
}
.blog-card__cover .grid-pattern { background-size: 52px 52px; }
.blog-card__cover .icon-tile {
  position: relative;
  z-index: 1;
  width: 64px;
  height: 64px;
  font-size: 32px;
  background: rgba(201, 162, 74, 0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.blog-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5);
}
/* Fluxo de texto (não flex): categoria e tempo de leitura quebram juntos em
   telas estreitas, em vez de se separarem para as pontas do card. */
.blog-card__eyebrow {
  display: block;
  margin-bottom: var(--space-1);
  letter-spacing: 0.14em;
}
.blog-card__eyebrow .blog-card__dot { color: var(--gold-700); }
.blog-card__title {
  margin-top: 0;
  font-size: var(--fs-h3);
  line-height: var(--lh-snug);
  transition: color var(--dur-base) var(--ease-standard);
}
.blog-card:hover .blog-card__title { color: var(--gold-200); }
.blog-card__text { margin-top: 0; flex: 1; }

.blog-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px dashed var(--border-dashed);
  font-family: var(--font-mono);
  font-size: var(--fs-label-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.blog-card__foot .link-gold { font-family: var(--font-sans); text-transform: none; letter-spacing: 0; }

/* O card inteiro é clicável, mantendo um único alvo de foco por teclado. */
.blog-card__link::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}
.blog-card:focus-within {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-e3);
}

/* -- estado vazio da busca -- */
.blog-empty {
  display: none;
  padding: var(--space-9) var(--space-5);
  text-align: center;
  border: 1px dashed var(--border-dashed);
  border-radius: var(--radius-lg);
}
.blog-empty.is-visible { display: block; }
.blog-empty iconify-icon { font-size: 40px; color: var(--gold-600); }
.blog-empty__title { margin-top: var(--space-4); font-family: var(--font-display); font-size: var(--fs-h2); color: var(--text-primary); }
.blog-empty__text { margin-top: var(--space-2); color: var(--text-muted); }
.blog-empty__term { color: var(--gold-300); }

/* ============================================================
   4 · PÁGINA DE ARTIGO
   ============================================================ */
/* Barra de progresso de leitura (único efeito novo desta camada) */
.blog-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 95;
  width: 100%;
  height: 2px;
  background: transparent;
  pointer-events: none;
}
.blog-progress__bar {
  height: 100%;
  width: 0;
  background-image: var(--grad-gold-pill);
  box-shadow: 0 0 12px var(--glow-gold-soft);
  transform-origin: left center;
}

.blog-article {
  position: relative;
  z-index: 2;
  padding-top: clamp(7rem, 12vw, 9.5rem);
  padding-bottom: var(--section-y);
}
.blog-article__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: clamp(var(--space-6), 5vw, var(--space-9));
  align-items: start;
}

.blog-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--fs-label-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.blog-crumbs a { transition: color var(--dur-base); }
.blog-crumbs a:hover { color: var(--gold-300); }
.blog-crumbs__sep { color: var(--gold-700); }

.blog-article__head { margin-bottom: var(--space-6); }
.blog-article__title {
  margin-top: var(--space-4);
  letter-spacing: var(--tracking-display);
}
.blog-article__lead {
  margin-top: var(--space-5);
  color: var(--text-secondary);
  max-width: 68ch;
}
.blog-article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  margin-block: var(--space-5) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-muted);
}
.blog-article__meta li { display: flex; align-items: center; gap: var(--space-2); }
.blog-article__meta iconify-icon { color: var(--gold-400); font-size: 1.2em; }

.blog-article__rule { margin-top: var(--space-6); }

.blog-article__body { max-width: 72ch; }
.blog-article__body > * + * { margin-top: var(--space-5); }
.blog-article__body p {
  font-size: var(--fs-body-lg);
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
}
.blog-article__body h2 {
  position: relative;
  margin-top: var(--space-8);
  padding-left: var(--space-5);
  scroll-margin-top: 120px;
}
.blog-article__body h2::before {
  content: "";
  position: absolute;
  top: 0.15em;
  left: 0;
  width: 3px;
  height: calc(100% - 0.3em);
  border-radius: var(--radius-pill);
  background-image: var(--grad-gold-pill);
}
.blog-article__body ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.blog-article__body li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  font-size: var(--fs-body);
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
}
.blog-article__body li .check { flex: none; margin-top: 3px; }

/* CTA final do artigo */
.blog-cta {
  margin-top: var(--space-8);
  padding: clamp(var(--space-6), 4vw, var(--space-7));
  border-radius: var(--radius-xl);
  border-color: var(--border-gold);
  text-align: center;
}
.blog-cta__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  color: var(--text-primary);
}
.blog-cta__text {
  max-width: 56ch;
  margin: var(--space-3) auto var(--space-5);
  color: var(--text-secondary);
}

/* -- navegação anterior / próximo -- */
.blog-nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.blog-nav__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  transition: border-color var(--dur-base), background-color var(--dur-base),
              transform var(--dur-base) var(--ease-reveal);
}
.blog-nav__item:hover { border-color: var(--border-gold); background: rgba(201, 162, 74, 0.05); transform: translateY(-3px); }
.blog-nav__item--next { text-align: right; }
.blog-nav__label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-label-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--gold-400);
}
.blog-nav__item--next .blog-nav__label { justify-content: flex-end; }
.blog-nav__title { font-family: var(--font-display); font-size: var(--fs-h3); color: var(--text-primary); line-height: var(--lh-snug); }
/* Espaçador invisível: segura a coluna do grid no primeiro/último artigo,
   sem desenhar um card vazio. */
.blog-nav__item--empty { border-color: transparent; pointer-events: none; }

/* ============================================================
   5 · ASIDE DO ARTIGO
   ============================================================ */
.blog-aside {
  position: sticky;
  top: 108px;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.blog-aside__box {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
}
.blog-aside__title {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--gold-400);
  margin-bottom: var(--space-4);
}

/* Índice do artigo — reaproveita .toc__link e o scroll-spy de interactions.js */
.blog-toc { display: flex; flex-direction: column; gap: var(--space-1); }
.blog-toc .toc__link {
  text-align: left;
  white-space: normal;
  letter-spacing: 0.04em;
  line-height: var(--lh-snug);
}

/* Mini-card da contadora */
.blog-author { text-align: center; }
.blog-author__photo {
  width: 84px;
  height: 84px;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-round);
  border: 1px solid var(--border-gold);
  overflow: hidden;
}
.blog-author__photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 18%; }
.blog-author__name { font-family: var(--font-display); font-size: var(--fs-h3); color: var(--text-primary); }
.blog-author__role {
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--fs-label-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.blog-author__text { margin-top: var(--space-3); font-size: var(--fs-body-sm); color: var(--text-muted); line-height: var(--lh-relaxed); }
.blog-author .btn { margin-top: var(--space-5); }

/* ============================================================
   6 · LEIA TAMBÉM
   ============================================================ */
.blog-related { padding-block: var(--section-y) 0; }
.blog-related__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-6);
}

/* ============================================================
   7 · RESPONSIVO
   ============================================================ */
@media (max-width: 1080px) {
  .blog-grid,
  .blog-related__grid { grid-template-columns: repeat(2, 1fr); }
  .blog-article__grid { grid-template-columns: 1fr; }
  .blog-aside { position: static; flex-direction: row; flex-wrap: wrap; }
  .blog-aside__box { flex: 1 1 280px; }
}

@media (max-width: 860px) {
  .blog-controls { top: 74px; }
  .blog-hero { padding-top: 7.5rem; }
}

@media (max-width: 620px) {
  .blog-grid,
  .blog-related__grid,
  .blog-nav { grid-template-columns: 1fr; }
  .blog-nav__item--next { text-align: left; }
  .blog-nav__item--next .blog-nav__label { justify-content: flex-start; }
  .blog-nav__item--empty { display: none; }
  .blog-cta .btn { width: 100%; }
}

/* ============================================================
   8 · MOVIMENTO REDUZIDO
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .blog-progress { display: none; }
  .blog-card:hover,
  .blog-nav__item:hover { transform: none; }
  .blog-controls { position: static; }
}