.portfolio-main {
  position: relative;
  display: grid;
  gap: 1rem;
  isolation: isolate;
}

.portfolio-main::before {
  content: "";
  position: absolute;
  inset: -2rem -2rem auto;
  height: min(50vh, 24rem);
  z-index: -1;
  background: radial-gradient(circle at 15% 30%, rgba(14, 165, 233, 0.22), transparent 58%),
    radial-gradient(circle at 80% 15%, rgba(99, 102, 241, 0.28), transparent 54%);
  filter: blur(9px);
}

.portfolio-hero {
  display: grid;
  gap: 0.8rem;
}

.portfolio-kicker {
  width: fit-content;
  margin: 0;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--brand-2);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.hero-stats span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
}

.portfolio-controls {
  display: grid;
  gap: 0.8rem;
}

.control-field {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.portfolio-content {
  display: grid;
  gap: 1rem;
}

.platform-grid,
.stat-grid,
.review-grid,
.faq-grid,
.project-grid {
  display: grid;
  gap: 0.8rem;
}

.platform-card,
.stat-card,
.review-card,
.faq-card,
.project-card,
.highlight-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.95rem;
  background: linear-gradient(170deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
}

.platform-card a {
  color: var(--brand-2);
  text-decoration: none;
}

.highlight-row {
  display: grid;
  gap: 0.8rem;
}

.highlight-card {
  border-color: rgba(99,102,241,.35);
}

.project-card {
  position: relative;
  overflow: hidden;
}

.project-card::after {
  content: "";
  position: absolute;
  inset: auto -25% -30%;
  height: 8rem;
  background: radial-gradient(circle, rgba(99,102,241,.22), transparent 70%);
  opacity: 0;
  transition: opacity 210ms ease;
  pointer-events: none;
}

.project-card:hover::after {
  opacity: 1;
}

.project-card img,
.project-card iframe {
  width: 100%;
  height: 220px;
  border: 1px solid var(--line);
  border-radius: 12px;
  object-fit: cover;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.stars {
  color: #fbbf24;
  letter-spacing: .04em;
}

.faq-card summary {
  cursor: pointer;
  font-weight: 600;
}

.faq-card p {
  margin-top: 0.55rem;
  color: var(--muted);
}

.reveal-on-load {
  opacity: 0;
  transform: translateY(14px);
  animation: revealUp 640ms ease forwards;
}

.reveal-delay-1 { animation-delay: 110ms; }
.reveal-delay-2 { animation-delay: 220ms; }

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

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 14px;
  padding: 1rem;
  text-align: center;
  color: var(--muted);
}

@media (min-width: 820px) {
  .portfolio-controls {
    grid-template-columns: 1fr 260px;
  }

  .platform-grid,
  .stat-grid,
  .review-grid,
  .faq-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .highlight-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal-on-load {
    animation: none !important;
    opacity: 1;
    transform: none;
  }

  .project-card::after {
    transition: none;
  }
}