/* Portfólio */
body, .portfolio-section {
  background:
    radial-gradient(ellipse at 60% 40%, rgba(44, 82, 130, 0.25) 0%, rgba(26, 54, 93, 0.18) 40%, rgba(10, 13, 20, 0.95) 100%),
    linear-gradient(135deg, #00296B 0%, #003F88 50%, #00509D 100%);
  color: #fff;
}
.portfolio-title {
  font-size: 2.3rem;
  background: linear-gradient(90deg, #FFD500 10%, #fff 40%, #FFD500 90%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 2.5rem;
  text-align: center;
  text-shadow: 0 2px 12px #FFD50033;
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2.2rem;
}
.portfolio-item {
  background: rgba(255,255,255,0.13);
  border-radius: 18px;
  box-shadow: 0 4px 24px #FFD50022;
  padding: 1.2rem 1.2rem 1.5rem 1.2rem;
  text-align: center;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  border: 2px solid #FFD50033;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  backdrop-filter: blur(8px);
}
.portfolio-item img {
  width: 100%;
  max-width: 220px;
  border-radius: 12px;
  margin-bottom: 1.1rem;
  box-shadow: 0 2px 12px #FFD50022;
  object-fit: cover;
  transition: box-shadow 0.3s, filter 0.3s;
}
.portfolio-item h4 {
  color: #003F88;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}
.portfolio-item p {
  color: #00296B;
  font-size: 0.98rem;
}
.portfolio-item:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 10px 32px #FFD50055;
  border-color: #FFD500;
}
.portfolio-item:hover img {
  box-shadow: 0 8px 32px #FFD50088, 0 0 24px #fff8;
  filter: brightness(1.08) drop-shadow(0 0 8px #FFD50088);
}