:root {
  --imh-purple-50: #f1effb;
  --imh-purple-100: #e0ddf7;
  --imh-purple-200: #c3bff0;
  --imh-purple-300: #a6a1e8;
  --imh-purple-400: #8984d9;
  --imh-purple-500: #5f59a7;
  --imh-purple-600: #4c4787;
  --imh-indigo-500: #4c4787;
  --imh-gray-50: #f9fafb;
  --imh-gray-100: #f3f4f6;
  --imh-gray-200: #e5e7eb;
  --imh-gray-600: #4b5563;
  --imh-gray-700: #374151;
  --imh-gray-800: #1f2937;
  --imh-gray-900: #111827;
}

.imh-wrap {
  position: relative;
  width: 100%;
  background: transparent;
  padding: 80px 0;
  overflow: hidden;
  box-sizing: border-box;
  font-family: 'Inter', 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--imh-gray-900);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.imh-wrap * {
  box-sizing: border-box;
}

.imh-blur {
  position: absolute;
  border-radius: 9999px;
  filter: blur(64px);
  opacity: 0.1;
  pointer-events: none;
}

.imh-blur-one {
  top: 80px;
  right: 40px;
  width: 384px;
  height: 384px;
  background: radial-gradient(circle, rgba(95, 89, 167, 0.4) 0%, rgba(95, 89, 167, 0) 70%);
}

.imh-blur-two {
  bottom: 160px;
  left: 40px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(95, 89, 167, 0.35) 0%, rgba(95, 89, 167, 0) 70%);
}

.imh-container {
  position: relative;
  z-index: 10;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.imh-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 1024px) {
  .imh-grid {
    grid-template-columns: repeat(5, 1fr);
  }
  .imh-vision-col {
    grid-column: span 2;
  }
  .imh-timeline-col {
    grid-column: span 3;
  }
}

.imh-vision-card {
  position: sticky;
  top: 32px;
  padding: 32px;
  border-radius: 24px;
  background: linear-gradient(180deg, #f7f8ff 0%, #ffffff 100%);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.imh-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--imh-purple-500);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.imh-title {
  margin: 0 0 24px;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--imh-gray-900);
}

.imh-desc {
  color: var(--imh-gray-700);
  line-height: 1.625;
  margin-bottom: 32px;
}

.imh-desc p {
  margin: 4px 0;
}

.imh-divider {
  height: 1px;
  margin-bottom: 32px;
  background: linear-gradient(90deg, var(--imh-purple-200) 0%, var(--imh-purple-300) 50%, transparent 100%);
}

.imh-bullets {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.imh-bullet {
  display: flex;
  align-items: center;
  gap: 12px;
}

.imh-icon-circle {
  width: 40px;
  height: 40px;
  border-radius: 16px;
  background: var(--imh-purple-100);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.imh-icon {
  width: 20px;
  height: 20px;
  stroke: var(--imh-purple-600);
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.imh-bullet-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--imh-gray-800);
}

.imh-timeline {
  position: relative;
}

.imh-timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, rgba(137, 132, 217, 0.45) 0%, rgba(95, 89, 167, 0.85) 100%);
}

.imh-timeline-list {
  position: relative;
}

.imh-timeline-row {
  position: relative;
  display: flex;
  justify-content: flex-start;
  margin-bottom: 32px;
}

.imh-timeline-row.imh-right {
  justify-content: flex-end;
}

.imh-timeline-dot {
  position: absolute;
  left: 50%;
  top: 0;
  width: 16px;
  height: 16px;
  border-radius: 9999px;
  background: var(--imh-purple-400);
  box-shadow: 0 0 0 4px #ffffff, 0 4px 6px rgba(0, 0, 0, 0.12);
  transform: translateX(-50%);
  z-index: 2;
}

.imh-timeline-dot.imh-last {
  background: linear-gradient(135deg, var(--imh-purple-500), var(--imh-indigo-500));
}

.imh-timeline-card {
  width: 45%;
  background: #ffffff;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: transform 0.6s ease-out, box-shadow 0.3s ease, opacity 0.6s ease-out, filter 0.5s ease;
  opacity: 0;
  transform: translateY(-20px);
  will-change: transform, opacity;
}

.imh-timeline-card.imh-in-view {
  opacity: 1;
  transform: translateY(0);
}

.imh-timeline-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.imh-timeline-card.imh-last {
  background: #5f59a7;
  color: #ffffff;
  box-shadow: 0 10px 40px rgba(95, 89, 167, 0.3);
}

.imh-timeline-card.imh-last:hover {
  box-shadow: 0 12px 44px rgba(95, 89, 167, 0.35);
}

.imh-timeline-date {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--imh-purple-500);
}

.imh-timeline-date.imh-is-last {
  color: var(--imh-purple-100);
}

.imh-timeline-title {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 700;
  color: var(--imh-gray-900);
}

.imh-timeline-title.imh-is-last {
  color: #ffffff;
}

.imh-timeline-desc {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--imh-gray-600);
  line-height: 1.55;
}

.imh-timeline-desc.imh-is-last {
  color: #f1effb;
}

@media (max-width: 768px) {
  .imh-vision-card {
    top: 0;
  }
  .imh-timeline-card {
    width: 85%;
  }
}