.smtbio-pricing {
  --primary: #06b6d5;
  --primary-rgb: 6, 182, 213;
  --secondary: #f5f7fa;
  --white: #ffffff;
  --border: #e5e7eb;
  --text-primary: #1a1a1a;
  --text-secondary: #6b7280;
  --shadow-default: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.12);
  --shadow-premium: 0 20px 40px rgba(var(--primary-rgb), 0.3);
  --shadow-premium-hover: 0 25px 50px rgba(var(--primary-rgb), 0.4);
  --shadow-premium-btn: 0 4px 12px rgba(0, 0, 0, 0.15);
  --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  width: 100%;
  font-family: var(--font-family);
  color: var(--text-primary);
}

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

.smtbio-card-grid {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

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

.smtbio-pricing-card {
  position: relative;
  height: 100%;
  transform: translateZ(0);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.smtbio-pricing-card.smtbio-premium {
  transform: scale(1.05);
}

.smtbio-card-shell {
  height: 100%;
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-default);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.smtbio-pricing-card:hover .smtbio-card-shell {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.smtbio-pricing-card.smtbio-premium .smtbio-card-shell {
  background: var(--primary);
  border: none;
  box-shadow: var(--shadow-premium);
}

.smtbio-pricing-card.smtbio-premium:hover .smtbio-card-shell {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-premium-hover);
}

.smtbio-card-top {
  padding: 32px 32px 24px;
}

.smtbio-reco-badge {
  display: inline-block;
  padding: 6px 12px;
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

.smtbio-title-badge {
  display: inline-block;
  padding: 10px 16px;
  margin-bottom: 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
  background: var(--primary);
  color: var(--white);
}

.smtbio-pricing-card.smtbio-premium .smtbio-title-badge {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

.smtbio-card-subtitle {
  margin: 0 0 24px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-primary);
}

.smtbio-pricing-card.smtbio-premium .smtbio-card-subtitle {
  color: var(--white);
}

.smtbio-divider {
  height: 1px;
  background: var(--border);
  width: 100%;
}

.smtbio-pricing-card.smtbio-premium .smtbio-divider {
  background: rgba(255, 255, 255, 0.2);
}

.smtbio-card-features {
  flex: 1;
  padding: 0 32px 32px;
}

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

.smtbio-card-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.smtbio-icon-check {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  margin-top: 2px;
  border-radius: 999px;
  background: rgba(var(--primary-rgb), 0.1);
  color: var(--primary);
}

.smtbio-pricing-card.smtbio-premium .smtbio-icon-check {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

.smtbio-icon-check svg {
  width: 14px;
  height: 14px;
}

.smtbio-feature-text {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
}

.smtbio-pricing-card.smtbio-premium .smtbio-feature-text {
  color: var(--white);
}

.smtbio-card-footer {
  padding: 0 32px 32px;
}

.smtbio-cta-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 20px;
  border-radius: 12px;
  border: 2px solid transparent;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  background: var(--secondary);
  color: var(--text-primary);
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.smtbio-pricing-card.smtbio-basic .smtbio-cta-btn {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.smtbio-pricing-card.smtbio-premium .smtbio-cta-btn {
  background: var(--white);
  color: var(--primary);
  border: none;
}

.smtbio-cta-btn .smtbio-icon-arrow svg {
  width: 16px;
  height: 16px;
}

.smtbio-cta-btn:hover {
  transform: scale(1.02);
  background: #e8edf5;
}

.smtbio-pricing-card.smtbio-basic .smtbio-cta-btn:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.smtbio-pricing-card.smtbio-premium .smtbio-cta-btn:hover {
  background: var(--white);
  color: var(--primary);
  box-shadow: var(--shadow-premium-btn);
}

.smtbio-cta-btn:active {
  transform: scale(0.98);
}

.smtbio-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

@media (max-width: 480px) {
  .smtbio-card-top,
  .smtbio-card-features,
  .smtbio-card-footer {
    padding: 24px;
  }
}