/* ========================================
   TECH STACK
   ======================================== */
.techstack {
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}
.techstack .section-header {
  margin-bottom: 40px;
}
.techstack-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 500px;
  margin: 8px auto 0;
  line-height: 1.6;
}

/* Marquee Container */
.marquee-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex;
  gap: 24px;
  width: max-content;
  animation: marqueeScroll 35s linear infinite;
}
.marquee-track:hover {
  animation-play-state: paused;
}
@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Tech Card */
.tech-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  white-space: nowrap;
  transition: all 0.3s ease;
  cursor: default;
  flex-shrink: 0;
}
.tech-item:hover {
  background: rgba(74, 222, 128, 0.06);
  border-color: rgba(74, 222, 128, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}
.tech-item img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  filter: grayscale(0.3) brightness(1.1);
  transition: filter 0.3s ease;
}
.tech-item:hover img {
  filter: grayscale(0) brightness(1.2);
}
.tech-item span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}
.tech-item:hover span {
  color: var(--text-primary);
}

/* Responsive */
@media (max-width: 768px) {
  .techstack { padding: 40px 0; }
  .tech-item { padding: 10px 18px; gap: 10px; }
  .tech-item img { width: 22px; height: 22px; }
  .tech-item span { font-size: 0.8rem; }
  .marquee-track { gap: 16px; }
}