@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --meter-yellow: #FFE000;
  --meter-green: #00C000;
  --meter-dark: #2B2B2B;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Navigation link */
.nav-link {
  color: #9ca3af;
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.15s ease;
}
.nav-link:hover {
  color: white;
}

/* Feature card hover effect */
.feature-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.1);
}

/* Google Play button */
.btn-play-store {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--meter-yellow);
  color: var(--meter-dark);
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 9999px;
  text-decoration: none;
  transition: filter 0.15s ease, transform 0.15s ease;
  font-size: 1rem;
  letter-spacing: -0.01em;
}
.btn-play-store:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
}

/* Privacy / section text link */
.section-link {
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.15s ease;
}
.section-link:hover {
  opacity: 0.65;
}