:root {
  --em-bg: transparent;
  --em-card: rgba(255, 255, 255, 0.88);
  --em-card-solid: #ffffff;
  --em-ink: #0f172a;
  --em-muted: #5f6b7a;
  --em-body: #334155;
  --em-line: #e7ebf3;
  --em-line-strong: #d9e2f5;
  --em-accent: #4067D9;
  --em-accent-2: #6f8cff;
  --em-accent-soft: #eef3ff;
  --em-radius-lg: 24px;
  --em-radius-md: 18px;
  --em-radius-sm: 999px;
  --em-shadow-sm: 0 10px 24px rgba(17, 24, 39, 0.06);
  --em-shadow-md: 0 18px 40px rgba(17, 24, 39, 0.08);
  --em-shadow-lg: 0 30px 72px rgba(17, 24, 39, 0.12);
}

/* section */
#empathy-map.empathy-section {
  position: relative;
  overflow: clip;
  padding: clamp(48px, 6vw, 92px) 0;
  background:
    radial-gradient(circle at 10% 12%, rgba(64, 103, 217, 0.04), transparent 24%),
    radial-gradient(circle at 88% 18%, rgba(64, 103, 217, 0.05), transparent 22%);
  color: var(--em-ink);
}

/* shell */
#empathy-map .empathy-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 32px);
  display: grid;
  gap: 26px;
}

/* header */
#empathy-map .empathy-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--em-line);
  animation: empathyIntroUp 0.72s cubic-bezier(.2,.7,.2,1) both;
}

#empathy-map .empathy-header-main {
  display: grid;
  gap: 10px;
}

#empathy-map .empathy-kicker {
  margin: 0;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(64, 103, 217, 0.12);
  box-shadow: 0 8px 18px rgba(17, 24, 39, 0.04);
  font-size: 12px;
  line-height: 1.2;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--em-accent);
  font-weight: 800;
}

#empathy-map .empathy-header h2 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 800;
  color: var(--em-ink);
  text-wrap: balance;
}

#empathy-map .empathy-tag {
  margin: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  min-height: 40px;
  border-radius: var(--em-radius-sm);
  background: linear-gradient(180deg, #f3f6ff 0%, #eaf0ff 100%);
  border: 1px solid #dbe4ff;
  color: var(--em-accent);
  font-size: 13px;
  line-height: 1.2;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 8px 18px rgba(64, 103, 217, 0.06);
}

/* board */
#empathy-map .empathy-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

/* card */
#empathy-map .empathy-card {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: var(--em-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--em-line);
  border-radius: var(--em-radius-md);
  padding: 22px 20px 20px;
  box-shadow: var(--em-shadow-sm);
  transition:
    transform 0.28s cubic-bezier(.2,.7,.2,1),
    box-shadow 0.28s cubic-bezier(.2,.7,.2,1),
    border-color 0.28s ease,
    background 0.28s ease;
}

#empathy-map .empathy-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(64, 103, 217, 0.1), transparent 36%);
  opacity: 0;
  transition: opacity 0.28s ease;
  z-index: -1;
}

#empathy-map .empathy-card::after {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--em-accent) 0%, var(--em-accent-2) 100%);
  opacity: 0.92;
}

#empathy-map .empathy-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--em-shadow-lg);
  border-color: var(--em-line-strong);
  background: var(--em-card-solid);
}

#empathy-map .empathy-card:hover::before {
  opacity: 1;
}

/* badge */
#empathy-map .empathy-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  padding: 8px 13px;
  border-radius: var(--em-radius-sm);
  background: var(--em-accent-soft);
  color: var(--em-accent);
  border: 1px solid #dbe4ff;
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.65);
  transition:
    transform 0.26s cubic-bezier(.2,.7,.2,1),
    background 0.26s ease,
    border-color 0.26s ease,
    box-shadow 0.26s ease;
}

#empathy-map .empathy-card:hover .empathy-badge {
  transform: translateY(-1px) scale(1.03);
  background: linear-gradient(180deg, #f3f6ff 0%, #e8efff 100%);
  border-color: #cad8ff;
  box-shadow:
    0 10px 18px rgba(64, 103, 217, 0.12),
    inset 0 1px 0 rgba(255,255,255,0.75);
}

/* list */
#empathy-map .empathy-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

#empathy-map .empathy-list li {
  position: relative;
  padding: 12px 12px 12px 18px;
  border-radius: 14px;
  background: linear-gradient(180deg, #fbfcff 0%, #f7f9ff 100%);
  border: 1px solid #e6ecfb;
  font-size: 15px;
  line-height: 1.68;
  color: #283240;
  transition:
    transform 0.24s cubic-bezier(.2,.7,.2,1),
    border-color 0.24s ease,
    background 0.24s ease,
    box-shadow 0.24s ease,
    color 0.24s ease;
}

#empathy-map .empathy-list li::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 1.15em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--em-accent);
  transform: translateY(-50%);
  box-shadow: 0 0 0 5px rgba(64, 103, 217, 0.08);
}

#empathy-map .empathy-list li:hover {
  transform: translateY(-2px);
  border-color: #d3ddff;
  background: #ffffff;
  box-shadow: 0 12px 22px rgba(64, 103, 217, 0.07);
  color: #22314d;
}

/* quadrant personality */
#empathy-map .empathy-card:nth-child(1):hover .empathy-badge {
  transform: translateY(-1px) scale(1.03) rotate(-1deg);
}

#empathy-map .empathy-card:nth-child(2):hover .empathy-badge {
  transform: translateY(-1px) scale(1.04);
}

#empathy-map .empathy-card:nth-child(3):hover .empathy-badge {
  transform: translateY(-1px) scale(1.03) rotate(1deg);
}

#empathy-map .empathy-card:nth-child(4):hover .empathy-badge {
  transform: translateY(-1px) scale(1.04);
}

/* motion */
@media (prefers-reduced-motion: no-preference) {
  #empathy-map .empathy-card {
    animation: empathyCardIn 0.58s cubic-bezier(.2,.7,.2,1) both;
  }

  #empathy-map .empathy-card:nth-child(1) {
    animation-delay: 0.05s;
  }

  #empathy-map .empathy-card:nth-child(2) {
    animation-delay: 0.11s;
  }

  #empathy-map .empathy-card:nth-child(3) {
    animation-delay: 0.17s;
  }

  #empathy-map .empathy-card:nth-child(4) {
    animation-delay: 0.23s;
  }
}

@keyframes empathyIntroUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes empathyCardIn {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* responsive */
@media (max-width: 900px) {
  #empathy-map .empathy-header {
    align-items: start;
    flex-direction: column;
  }

  #empathy-map .empathy-tag {
    white-space: normal;
  }

  #empathy-map .empathy-board {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  #empathy-map.empathy-section {
    padding: 34px 0 58px;
  }

  #empathy-map .empathy-shell {
    gap: 22px;
    padding: 0 20px;
  }

  #empathy-map .empathy-header h2 {
    font-size: 30px;
    line-height: 1.12;
  }

  #empathy-map .empathy-card {
    padding: 18px 16px 16px;
    border-radius: 18px;
  }

  #empathy-map .empathy-list li {
    font-size: 14px;
    line-height: 1.66;
    padding: 11px 11px 11px 17px;
  }
}

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  #empathy-map .empathy-header,
  #empathy-map .empathy-card,
  #empathy-map .empathy-card::before,
  #empathy-map .empathy-badge,
  #empathy-map .empathy-list li {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }
}