#expertise {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
  height: 100vh; align-items: center;
  padding: 0 48px; overflow: hidden;
}
.expertise-title-wrap {
  position: relative;
  display: inline-block;
}
.expertise-deco-svg {
  position: absolute;
  top: 0; left: -8%;
  width: 116%; height: auto;
  overflow: visible;
  pointer-events: none;
  z-index: -1;
  opacity: 0;
}

.expertise-left h2 {
  font-size: clamp(2.8rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -.04em; line-height: 1.1; margin-bottom: 16px;
}
.expertise-left h2 .hw-text {
  display: inline-block;
  font-size: clamp(2.8rem, 10vw, 8rem);
  line-height: 4.2vw;
  font-weight: 500;
}
.expertise-left p { font-size: .95rem; line-height: 1.65; color: #555; max-width: 360px; }

#expertise-right { position: relative; padding-left: 56px; }

#exp-spine {
  position: absolute; left: 19px; top: 20px; bottom: 20px;
  width: 2px; background: #e8e8e8; border-radius: 1px;
}
#exp-spine-fill {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 0%;
  background: var(--black); border-radius: 1px;
}

.exp-row {
  display: grid; grid-template-columns: 40px 1fr;
  gap: 16px; align-items: flex-start;
  padding: 3vh 0;
}
.exp-icon {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; border-radius: 10px;
  background: #f5f5f5;
  position: relative; z-index: 1;
  opacity: 0; filter: grayscale(1);
}
.exp-body { opacity: 0; transform: translateY(6px); }
.exp-body h3 { font-size: .9rem; font-weight: 800; margin-bottom: 3px; }
.exp-body p  { font-size: .8rem; color: #666; line-height: 1.5; }

@media (max-width: 900px) {
  #expertise { grid-template-columns: 1fr; height: auto; padding: 80px 24px; overflow: visible; }
  #expertise-right { padding-left: 48px; }
}