.smtbio-chart {
  --primary: #0dd4e0;
  --primary-strong: #06b6d5;
  --gray-50: #f8fafc;
  --gray-200: #e5e7eb;
  --gray-400: #9ca3af;
  --gray-600: #cbd5e1;
  --gray-700: #e5e7eb;
  --gray-900: #f8fbff;
  --glass: rgba(255, 255, 255, 0.08);
  --glass-strong: rgba(255, 255, 255, 0.12);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.28);
  --shadow-blue: 0 16px 40px rgba(6, 182, 213, 0.26);
  --shadow-strong: 0 28px 70px rgba(0, 0, 0, 0.4);
  color: var(--gray-900);
  font-family: 'Inter', 'Noto Sans KR', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  width: 100%;
}

.smtbio-chart * {
  box-sizing: border-box;
}

.smtbio-section {
  padding: 96px 24px;
  position: relative;
  isolation: isolate;
  width: 100%;
}

@media (min-width: 768px) {
  .smtbio-section {
    padding: 112px 32px;
  }
}

.smtbio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: stretch;
}

.smtbio-left {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.smtbio-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .smtbio-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.smtbio-card {
  border-radius: 8px;
  padding: 26px;
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--glass);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(13, 212, 224, 0.18);
}

.smtbio-before {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.smtbio-after {
  background: linear-gradient(145deg, rgba(13, 212, 224, 0.22), rgba(13, 212, 224, 0.12));
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-blue), var(--shadow-strong);
}

.smtbio-card-title {
  margin: 0 0 24px;
  font-size: 1.25rem;
  font-weight: 700;
  color: #dff6ff;
}

.smtbio-after-title {
  color: var(--primary);
}

.smtbio-card-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.smtbio-card-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: #c3d5e8;
}

.smtbio-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
  margin-top: 8px;
  flex-shrink: 0;
}

.smtbio-check-icon {
  width: 20px;
  height: 20px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.smtbio-check-icon svg {
  width: 20px;
  height: 20px;
}

.smtbio-item-heading {
  font-weight: 600;
  color: #eaf6ff;
}

.smtbio-strong {
  color: #ffffff;
}

.smtbio-item-text {
  color: #c0d0de;
}

.smtbio-dark {
  color: #e3f6ff;
}

.smtbio-chart-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.08));
  border: 1px solid rgba(13, 212, 224, 0.2);
  border-radius: 8px;
  padding: 32px;
  box-shadow: var(--shadow-strong);
}

.smtbio-chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.smtbio-chart-title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
  color: #e5faff;
}

.smtbio-delta-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(13, 212, 224, 0.22), rgba(13, 212, 224, 0.08));
  color: #b6f7ff;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.smtbio-delta-value {
  font-size: 1.5rem;
}

.smtbio-chart-subtext {
  margin: 0 0 10px;
  color: #b2d9e8;
  font-weight: 600;
}

.smtbio-chart-area {
  position: relative;
  height: 280px;
  padding: 20px 30px 40px 50px;
  box-sizing: border-box;
}

.smtbio-chart-grid {
  position: absolute;
  top: 20px;
  left: 50px;
  right: 30px;
  bottom: 40px;
  background: repeating-linear-gradient(to top, rgba(38, 209, 232, 0.14) 0, rgba(38, 209, 232, 0.14) 1px, transparent 25%);
  pointer-events: none;
}

.smtbio-chart-y {
  position: absolute;
  top: 20px;
  left: 10px;
  bottom: 40px;
  width: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-size: 12px;
  color: #9ae5ff;
  font-weight: 600;
}

.smtbio-chart-bars {
  position: absolute;
  top: 20px;
  left: 50px;
  right: 30px;
  bottom: 40px;
  display: flex;
  align-items: flex-end;
  gap: 48px;
  justify-content: center;
}

.smtbio-chart-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
  height: 100%;
  justify-content: flex-end;
  position: relative;
}

.smtbio-bar-fill {
  width: 80px;
  border-radius: 12px 12px 0 0;
  background: var(--primary-strong);
  height: 0;
  transition: height 1.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.2s ease;
  box-shadow: 0 12px 24px rgba(13, 212, 224, 0.4);
  will-change: height;
}

.smtbio-bar-fill.gray {
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 20px rgba(120, 175, 190, 0.25);
}

.smtbio-bar-value {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  color: #e9fbff;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.01em;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.smtbio-chart-x {
  position: absolute;
  left: 50px;
  right: 30px;
  bottom: 6px;
  display: flex;
  gap: 48px;
  justify-content: center;
  font-size: 14px;
  color: #b3e9ff;
  font-weight: 600;
  text-align: center;
}

.smtbio-x-label {
  min-width: 80px;
}

.smtbio-value-section {
  margin-top: 40px;
}

.smtbio-value-card {
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.12) 0%, rgba(13, 212, 224, 0.12) 100%);
  border: 1px solid rgba(13, 212, 224, 0.2);
  border-radius: 8px;
  padding: 40px 40px 32px;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.08), 0 24px 64px rgba(6, 182, 213, 0.12);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.smtbio-right-title {
  margin: 0 0 32px;
  font-size: 2rem;
  font-weight: 800;
  color: #e9fbff;
  line-height: 1.3;
}

.smtbio-feature-list {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: stretch;
}

@media (min-width: 768px) {
  .smtbio-feature-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.smtbio-feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.smtbio-feature-icon {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: rgba(13, 212, 224, 0.18);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.smtbio-feature-icon svg {
  width: 20px;
  height: 20px;
}

.smtbio-feature-copy {
  padding-top: 4px;
}

.smtbio-feature-heading {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
  color: #e7f8ff;
}

.smtbio-feature-text {
  margin: 4px 0 0;
  color: #c2d8e8;
}

.smtbio-cta-card {
  background: linear-gradient(135deg, rgba(10, 212, 224, 0.92), rgba(6, 182, 213, 0.95));
  color: #e9fbff;
  text-align: center;
  padding: 24px;
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(6, 182, 213, 0.35);
  margin-top: auto;
}

.smtbio-cta-text {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
}

/* reveal animation */
.smtbio-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.smtbio-reveal.smtbio-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 767px) {
  .smtbio-chart-area {
    padding: 20px 20px 36px 44px;
  }

  .smtbio-chart-grid,
  .smtbio-chart-bars {
    left: 44px;
    right: 20px;
  }
}