/* ── Tech Hero ── */
.tech-hero {
  padding: 10rem 0 5rem;
  text-align: center;
}

.tech-hero h1 { margin-bottom: 1.5rem; }
.tech-hero p { max-width: 650px; margin: 0 auto; font-size: var(--fs-md); }

/* ── Tech Sections (alternating) ── */
.tech-detail {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
}

.tech-detail-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.tech-detail:nth-child(even) .tech-detail-content {
  direction: rtl;
}

.tech-detail:nth-child(even) .tech-detail-content > * {
  direction: ltr;
}

.tech-image {
  aspect-ratio: 16/10;
  background: var(--bg-card);
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  overflow: hidden;
}

.tech-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tech-text .tag { margin-bottom: 1rem; }
.tech-text h2 { margin-bottom: 1rem; }
.tech-text p { margin-bottom: 1rem; }

.tech-features {
  margin-top: 1.5rem;
}

.tech-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.5rem 0;
  color: var(--text-secondary);
  font-size: var(--fs-sm);
}

.tech-features li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 0.5rem;
  flex-shrink: 0;
}

/* ── Applications Grid ── */
.applications-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.app-card {
  padding: 2.5rem 2rem;
  text-align: center;
}

.app-card .card-icon {
  margin: 0 auto 1.25rem;
}

@media (max-width: 768px) {
  .tech-detail-content { grid-template-columns: 1fr; gap: 2rem; }
  .tech-detail:nth-child(even) .tech-detail-content { direction: ltr; }
  .applications-grid { grid-template-columns: 1fr; }
  .tech-hero { padding: 8rem 0 3rem; }
}