.portfolio-hero {
  padding: 140px 0 60px;
  border-bottom: 1px solid var(--sm-border);
  position: relative;
  overflow: hidden;
}
.portfolio-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 25% 40%, rgba(14, 116, 144, 0.1) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 75% 60%, rgba(34, 211, 238, 0.06) 0%, transparent 70%);
  pointer-events: none;
}
.portfolio-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.25;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
  mix-blend-mode: overlay;
  pointer-events: none;
}
.portfolio-hero h1 {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(36px, 6vw, 64px);
  letter-spacing: -3px;
  line-height: 1;
  margin-bottom: 16px;
}
.portfolio-hero-tagline {
  font-size: 16px;
  color: var(--sm-muted);
  line-height: 1.7;
}

.portfolio-numbers,
.portfolio-current,
.portfolio-institutional {
  padding: 80px 0;
  border-bottom: 1px solid var(--sm-border);
}
.portfolio-cta {
  padding: 80px 0;
}


.portfolio-numbers .numbers-grid {
  grid-template-columns: repeat(4, 1fr);
}

.portfolio-project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

@media (max-width: 768px) {
  .portfolio-hero { padding: 100px 0 40px; text-align: center; }
  .portfolio-hero-tagline { margin: 0 auto; }
  .portfolio-numbers,
  .portfolio-current,
  .portfolio-institutional { padding: 48px 0; }
  .portfolio-intro { text-align: center; margin: 0 auto 32px; }
  .portfolio-numbers .numbers-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-project-grid { grid-template-columns: 1fr; }
}