:root {
  --accent-teal: 173 58% 39%;
  --accent-teal-soft: 173 45% 94%;
}

body {
  font-family: 'Prompt', 'IBM Plex Sans Thai', sans-serif;
}

.font-display {
  font-family: 'Space Grotesk', 'Prompt', sans-serif;
}

h1, h2, h3 {
  letter-spacing: -0.02em;
  line-height: 1.15;
}

p, td, .body-text {
  line-height: 1.7;
}

.hero-underline {
  position: relative;
  display: inline-block;
}

.hero-underline::after {
  content: '';
  position: absolute;
  left: 2px;
  right: 2px;
  bottom: 4px;
  height: 10px;
  background: hsl(var(--accent-teal-soft));
  z-index: -1;
  border-radius: 2px;
}

.card-elevated {
  box-shadow: 0 4px 16px -4px rgba(15, 23, 42, 0.12);
  transition: box-shadow 200ms ease, transform 150ms ease;
}

.card-elevated:hover {
  box-shadow: 0 8px 24px -6px rgba(15, 23, 42, 0.18);
  transform: translateY(-1px);
}

.btn {
  transition: background-color 150ms ease, border-color 150ms ease, transform 100ms ease;
}

.table-row-hover:hover {
  background-color: rgba(15, 118, 110, 0.05);
}

.plan-row-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: hsl(var(--accent-teal) / 0.35);
}