/* ═══════════════════════════════════════════════════
   PUBLICAÇÕES ACADÊMICAS & PROJETOS
   Grid de cards estilo LinkedIn paper
═══════════════════════════════════════════════════ */

.io-publicacoes {
  width: 100%;
  padding: var(--section-pad-v) 0;
  border-bottom: 1.5px solid var(--ink);
  background: var(--cream2);
}

/* Cabeçalho com filtros */
.io-publicacoes__header {
 
  margin: 0 auto;
  padding: 0 var(--section-pad-h) 40px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  
}
.io-publicacoes__sub {
  font-size: 13px; color: #888; line-height: 1.65;
  max-width: 480px; margin-top: 10px;
}

/* Filtros */
.io-publicacoes__filtros {
  display: flex; gap: 8px; flex-wrap: wrap;
  align-self: flex-end;
}
.io-pub-filtro {
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 6px 14px;
  border: 1.5px solid var(--ink);
  background: transparent; color: #888;
  cursor: pointer; transition: all 0.18s;
  white-space: nowrap;
}
.io-pub-filtro:hover { border-color: var(--terra); color: var(--terra); }
.io-pub-filtro--ativo {
  background: var(--ink); color: var(--cream);
  border-color: var(--ink);
}

/* Grid: 3 colunas */
.io-publicacoes__grid {
 
  margin: 0 auto;
  padding: 0 var(--section-pad-h);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ── Card ── */
.io-pub-card {
  background: var(--white);
  border: 1.5px solid var(--ink);
  display: flex; flex-direction: column;
  overflow: hidden;
  transition: transform 0.22s, box-shadow 0.22s;
}
.io-pub-card:hover {
  transform: translateY(-5px);
  box-shadow: 5px 5px 0 var(--ink);
  z-index: 2;
}

/* Imagem */
.io-pub-card__img {
  position: relative; height: 180px;
  overflow: hidden; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1.5px solid var(--ink);
}
.io-pub-card__img img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  transition: transform 0.4s;
}
.io-pub-card:hover .io-pub-card__img img { transform: scale(1.04); }
.io-pub-card__img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(26,23,18,.35) 0%, transparent 55%);
  z-index: 1;
}
.io-pub-card__img-icon { opacity: 0.25; position: relative; z-index: 1; }

.io-pub-card__cat-badge {
  position: absolute; bottom: 10px; left: 10px; z-index: 2;
  font-family: var(--font-mono); font-size: 8px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: #fff; padding: 3px 10px;
}

/* Corpo */
.io-pub-card__body {
  padding: 20px 20px 22px;
  display: flex; flex-direction: column;
  gap: 10px; flex: 1;
}

/* Meta: fonte + ano */
.io-pub-card__meta {
  display: flex; align-items: center; gap: 10px;
  flex-wrap: wrap;
}
.io-pub-card__fonte {
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 0.08em; color: #aaa;
  text-transform: uppercase;
  display: flex; align-items: center; gap: 5px;
}
.io-pub-card__ano {
  font-family: var(--font-mono); font-size: 9px;
  color: #ccc; letter-spacing: 0.06em;
}
.io-pub-card__ano::before { content: '·  '; }

/* Título */
.io-pub-card__titulo {
  font-family: var(--font-display); font-style: italic;
  font-size: 17px; color: var(--ink);
  line-height: 1.4; font-weight: 400; margin: 0;
}
.io-pub-card__titulo a {
  text-decoration: none; color: inherit;
  transition: color 0.2s;
}
.io-pub-card__titulo a:hover { color: var(--terra); }

/* Resumo */
.io-pub-card__resumo {
  font-size: 12.5px; color: #555;
  line-height: 1.7; margin: 0;
  /* clamp de 3 linhas */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Autores */
.io-pub-card__autores {
  font-family: var(--font-mono); font-size: 10px;
  color: #888; letter-spacing: 0.04em;
  display: flex; align-items: center; gap: 6px;
  margin-top: auto;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.io-pub-card__autores svg { flex-shrink: 0; color: #bbb; }

/* Link para publicação */
.io-pub-card__link {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 10px;
  font-weight: 700; letter-spacing: 0.08em;
  text-decoration: none;
  padding-top: 12px;
  border-top: 1px solid var(--rule);
  margin-top: auto;
  transition: opacity 0.2s;
}
.io-pub-card__link:hover { opacity: 0.65; }
.io-pub-card__link svg { flex-shrink: 0; }

/* Responsivo */
@media (max-width: 1024px) {
  .io-publicacoes__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .io-publicacoes__grid { grid-template-columns: 1fr; gap: 16px; }
  .io-publicacoes__header { flex-direction: column; align-items: flex-start; gap: 20px; }
  .io-publicacoes__filtros { align-self: flex-start; }
  .io-pub-card__img { height: 140px; }
}