/* =========================================================
   CARDS DE ARTIGO (usados na home, no blog e no fim do artigo)
   Variante padrão = horizontal (lista). Dentro de .grade = vertical.
   ========================================================= */
.post {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  min-height: 380px;
  overflow: hidden;
  border: 1px solid var(--linha);
  border-radius: 18px;
  background: var(--painel);
  transition: translate .45s var(--curva), border-color .3s, background-color .45s ease;
}
.post:hover { translate: 0 -4px; border-color: var(--linha-forte); }

.post-texto { display: flex; flex-direction: column; gap: 12px; padding: clamp(22px, 3vw, 40px); min-width: 0; }
.post-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: .8125rem; color: var(--cinza); letter-spacing: .01em;
}
.post-meta .ponto::before { content: "\2734\FE0E"; color: var(--tinta); margin-right: 6px; }
.post-titulo {
  font-size: clamp(1.4rem, 1.05rem + 1.2vw, 2rem);
  line-height: 1.1; letter-spacing: -.03em; font-weight: 700; text-wrap: balance;
}
.post-titulo a { text-decoration: none; background: linear-gradient(currentColor, currentColor) 0 100% / 0 1.5px no-repeat; transition: background-size .5s var(--curva); }
.post:hover .post-titulo a { background-size: 100% 1.5px; }
.post-legenda {
  color: var(--cinza); font-size: 1.0625rem; max-width: 30em;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.post-tags { list-style: none; padding: 0; margin: auto 0 0; display: flex; flex-wrap: wrap; gap: 8px; padding-top: 6px; }
.tag, .chip {
  display: inline-block; font: inherit; font-size: .8125rem; line-height: 1;
  color: var(--tinta); text-decoration: none; cursor: pointer;
  background: transparent; border: 1px solid var(--linha-forte); border-radius: 999px; padding: 7px 12px;
  transition: background-color .25s, color .25s, transform .25s var(--curva);
}
.tag:hover, .chip:hover { background: var(--tinta); color: var(--fundo); transform: translateY(-2px); }
.chip[aria-pressed="true"] { background: var(--tinta); color: var(--fundo); }

.btn-ler {
  align-self: flex-start;
  display: inline-flex; align-items: center; gap: 12px;
  margin-top: 6px; font-size: 1rem; font-weight: 600; text-decoration: none;
}
.btn-ler .seta {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%;
  background: var(--tinta); color: var(--fundo);
  transition: transform .45s var(--curva);
}
.btn-ler .seta svg { width: 15px; height: 15px; transition: transform .35s var(--curva); }
.btn-ler:hover .seta { transform: scale(1.12); }
.btn-ler:hover .seta svg { transform: translate(2px, -2px); }

.post-capa {
  position: relative; display: block; overflow: hidden; min-height: 220px;
  background: var(--fundo); border-left: 1px solid var(--linha);
  transition: background-color .45s ease;
}
.post-capa svg, .post-capa img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--curva); }
.post:hover .post-capa svg, .post:hover .post-capa img { transform: scale(1.06); }
.post .gira { transition: transform 1s var(--curva); }
.post:hover .gira { transform: rotate(45deg); }

/* ---------- Variante em grade (3 por linha) ---------- */
.grade { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.grade .post { grid-template-columns: minmax(0, 1fr); min-height: 0; align-content: start; }
.grade .post-capa { order: -1; aspect-ratio: 16 / 10; min-height: 0; border-left: 0; border-bottom: 1px solid var(--linha); }
.grade .post-texto { gap: 10px; }
.grade .post-titulo { font-size: clamp(1.2rem, 1rem + .6vw, 1.4rem); }
.grade .post-legenda { font-size: 1rem; }
.lista { display: grid; gap: 24px; }

/* ---------- Entrada suave (rolagem) ---------- */
.js .revela { opacity: 0; transform: translateY(26px); }
.js .revela.entrou {
  opacity: 1; transform: none;
  transition: opacity .7s ease var(--d, 0s), transform .8s var(--curva) var(--d, 0s), translate .45s var(--curva), border-color .3s, background-color .45s ease;
}

@media (max-width: 1000px) { .grade { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 780px) {
  .post { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .post-capa { order: -1; aspect-ratio: 16 / 10; min-height: 0; border-left: 0; border-bottom: 1px solid var(--linha); }
}
@media (max-width: 640px) { .grade { grid-template-columns: minmax(0, 1fr); } }
@media (prefers-reduced-motion: reduce) { .js .revela { opacity: 1; transform: none; } }

/* ---------- capa em código (iframe isolado) e tag de quem publicou ---------- */
.post-capa iframe, .capa-grande iframe { position: absolute; inset: 0; display: block; width: 100%; height: 100%; border: 0; pointer-events: none; background: var(--fundo); }
.autor-tag {
  display: inline-flex; align-items: center; gap: 6px; font-size: .6875rem; line-height: 1; letter-spacing: .02em;
  color: var(--tinta); border: 1px solid var(--linha-forte); border-radius: 999px; padding: 4px 9px 4px 8px; white-space: nowrap;
}
.autor-tag::before { content: "\2734\FE0E"; font-size: .75rem; }