.stack-item,
.about-list li,
[data-animate] {
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

.about-hero {
  padding-top: 6rem;
  padding-bottom: 4rem;
}

.about-hero .hero-title {
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}

.about-hero .hero-subtitle {
  max-width: 40rem;
  margin: 1rem auto 0;
  color: var(--text-soft);
}

.about-list {
  list-style: none;
  padding-left: 0;
  margin-top: 1rem;
}

.about-list li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.4rem;
  color: var(--text-soft);
}

.about-list i {
  color: var(--accent-soft);
}

.stack-grid {
  max-width: 50rem;
  margin: 2rem auto 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.4rem;
}

.stack-item {
  background: var(--bg-card-soft);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 1.6rem 1.2rem;
  text-align: center;
  box-shadow: var(--shadow-soft);
  transition:
    transform 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
  transform: translateZ(0);
}

.stack-item:hover {
  border-color: var(--accent-soft);
  transform: translateY(-4px) translateZ(0);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 1);
}

.stack-item i {
  font-size: 2rem;
  color: var(--accent-soft);
  margin-bottom: 0.6rem;
}

.stack-item h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.tech-desc {
  color: var(--text-muted);
}

.about-cta {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2.4rem;
}

[data-animate] {
  opacity: 0;
  transform: translateY(18px) translateZ(0);
  transition:
    opacity 0.55s ease,
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-animate].in-view {
  opacity: 1;
  transform: translateY(0) translateZ(0);
}
