/* page-04.css — 사무실칸막이철거: 다크 네이비, 세로 타임라인 */
:root {
  --bg: #0E2033;
  --text: #DCEAF2;
  --primary: #7FB8D9;
  --secondary: #1B3B57;
  --font-display: "Do Hyeon", sans-serif;
  --font-body: "IBM Plex Sans KR", sans-serif;
}
.site-header { background: var(--bg); border-bottom-color: rgba(255,255,255,0.08); }
.hero__lead { color: #9FB6C6; }
.btn-call:hover { color: #0E2033; }
.btn-secondary { border-color: var(--primary); color: var(--primary); }

.timeline {
  list-style: none;
  margin: 56px 0;
  padding: 0;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--secondary);
}
.timeline__step {
  position: relative;
  padding-left: 40px;
  margin-bottom: 40px;
}
.timeline__step:last-child { margin-bottom: 0; }
.timeline__node {
  position: absolute;
  left: 0;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--secondary);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px var(--secondary);
  transition: background 0.4s ease, box-shadow 0.4s ease;
}
.timeline__step.is-visible .timeline__node {
  background: var(--primary);
  box-shadow: 0 0 0 2px var(--primary);
}
.timeline__content h2 {
  font-family: var(--font-display);
  color: var(--primary);
  font-size: 1.2rem;
}
.timeline__content p { color: #B9CCD8; margin: 0; }

.timeline-shots {
  margin: 0 0 16px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.timeline-shots img { border-radius: 4px; aspect-ratio: 3 / 4; object-fit: cover; }
.timeline-shots figcaption {
  grid-column: 1 / -1;
  text-align: center;
  font-size: 0.82rem;
  color: var(--secondary);
}

@media (min-width: 768px) {
  .timeline-shots { grid-template-columns: repeat(4, 1fr); }
}