/* =========================    BLOG HERO + PLACEHOLDERS    ========================= */
.blog {
  padding: 10vh 5vw;
  background: linear-gradient(135deg, #0a0a0a, #111);
  color: #fff;
  text-align: center;
}

.blog h1 {
  font-size: 2.8rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(90deg, #25d366, #fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.blog .sub {
  font-size: 1.2rem;
  color: #ccc;
  margin-bottom: 0.5rem;
}

.blog .desc {
  max-width: 700px;
  margin: 0 auto 2rem;
  font-size: 1rem;
  color: #aaa;
}

/* GRID DE PLACEHOLDERS */
.placeholder-proyectos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.card-proyecto {
  background: #111;
  color: #25d366;
  padding: 2rem;
  border-radius: 12px;
  font-weight: 600;
  border: 1px solid rgba(37,211,102,0.25);
  box-shadow: 0 0 12px rgba(37,211,102,0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  opacity: 0;
  transform: translateY(30px);
  animation: aparecerCard 0.8s ease forwards;
}

@keyframes aparecerCard {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card-proyecto:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 20px rgba(37,211,102,0.4);
}

/* RESPONSIVO */
@media (max-width: 768px) {
  .blog h1 {
    font-size: 2.2rem;
  }

  .blog .desc {
    font-size: 0.95rem;
  }

  .card-proyecto {
    padding: 1.5rem;
    font-size: 0.95rem;
  }
}