/* ───────── CERTIFICADOS ───────── */

.certificados {
  margin-top: 3rem;
  padding: 60px 30px;
  position: relative;
}

.certificados__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.badge-qa {
  display: inline-block;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  background: rgba(140, 183, 239, 0.15);
  color: var(--azul_oscuro);
  border: 1px solid var(--borde);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
}

.certificados__header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 1rem 0;
  color: var(--azul_oscuro);
}

.certificados__header p {
  color: var(--texto_suave);
  line-height: 1.7;
  font-size: clamp(13px, 4vw, 17px);
}

.certificados__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.cert-card {
  background: white;
  border: 1px solid var(--borde);
  border-radius: 24px;
  overflow: hidden;
  transition: 0.35s ease;
  box-shadow: 0 10px 30px var(--sombra);
  position: relative;
}

.cert-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 4px;
  width: 100%;
  background: linear-gradient(90deg, var(--azul_oscuro), var(--azul_cielo));
}

.cert-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 40px rgba(63, 97, 142, 0.2);
}

.cert-card__img {
  background: var(--azul_claro_bg);
  padding: 1rem;
}

.cert-card__img iframe {
  width: 100%;
  height: 285px;
  border: none;
  border-radius: 14px;
}

.cert-card__content {
  padding: 1.5rem;
}

.cert-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(140, 183, 239, 0.12);
  color: var(--azul_oscuro);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.cert-tag::before {
  content: "";
}

.cert-card h3 {
  margin: 1rem 0 0.6rem;
  font-size: 1.2rem;
  color: var(--negro);
}

.cert-card p {
  color: var(--texto_suave);
  line-height: 1.6;
  margin-bottom: 1.4rem;
}

.cert-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--borde);
  padding-top: 1rem;
  color: var(--azul_oscuro);
  font-size: 0.9rem;
  font-weight: 500;
}

/* RESPONSIVE */

@media (max-width: 768px) {
  .certificados {
    padding: 5rem 1.5rem;
  }

  .certificados__grid {
    gap: 1.5rem;
  }
}