/*
 * CHAPTER 3: WE360 VISION & JOURNEY
 * Horizontal pinned timeline
 */

.chapter-3 {
  position: relative;
  width: 100vw;
  height: 100vh;
  z-index: var(--z-content);
  background: var(--bg-deep); /* Solid background to reset visuals */
}

.c3-horizontal-wrapper {
  display: flex;
  width: 400vw; /* 4 panels wide */
  height: 100vh;
}

.c3-panel {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 10vw;
  flex-shrink: 0;
  position: relative;
}

/* Intro Panel */
.c3-intro {
  align-items: center;
  text-align: center;
}

.c3-massive-text {
  font-family: var(--font-display);
  font-size: clamp(4rem, 9vw, 9rem);
  line-height: 0.9;
  letter-spacing: -0.05em;
  margin-bottom: 2rem;
  background: linear-gradient(180deg, #FFFFFF 0%, rgba(255, 255, 255, 0.3) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.c3-description {
  font-size: var(--text-manifesto);
  color: var(--text-muted);
  max-width: 800px;
}

/* Milestone Panels */
.c3-milestone {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.c3-milestone-number {
  position: absolute;
  top: 10vh;
  left: 10vw;
  font-family: var(--font-display);
  font-size: 15vw;
  font-weight: 700;
  color: rgba(255,255,255,0.03);
  z-index: 0;
  pointer-events: none;
}

.c3-milestone-content {
  position: relative;
  z-index: 2;
}

.c3-milestone-content h3 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 4rem);
  margin-bottom: 2rem;
  color: var(--text-pure);
}

.c3-milestone-content p {
  font-size: 1.2rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 500px;
  margin-bottom: 3rem;
}

.c3-milestone-image {
  width: 100%;
  height: 60vh;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--glow-ambient);
}

.c3-milestone-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* GSAP parallax target */
}