:root {
  --tf-content-width: 1200px;
  --tf-wide-width: 1440px;
  --tf-primary: #174A46;
  --tf-primary-strong: #0D3734;
  --tf-accent: #D99B5B;
  --tf-ink: #18221F;
  --tf-muted: #5F6E69;
  --tf-base: #FCFBF8;
  --tf-surface-alt: #F2F4EF;
  --tf-border: #D9E1DB;
  --tf-dark: #123A36;
}
.tf-section { padding-block: clamp(3rem, 6vw, 5rem); }
.tf-readable > * { max-width: 720px; margin-inline: auto; }
.tf-surface-soft { background: var(--tf-surface-alt); }
.tf-surface-dark { background: var(--tf-dark); color: #fff; }
.tf-surface-dark p { color: #E6EFEA; }
.tf-cta { color: #fff; }
.tf-grid { gap: 1.5rem; }
.tf-card { border: 1px solid var(--tf-border); border-radius: 12px; padding: 1.5rem; background: #fff; }
.tf-media { border-radius: 12px; overflow: hidden; }
.tf-proof-note, .tf-eyebrow { color: var(--tf-muted); font-size: .875rem; }
.tf-button { border-radius: 6px; font-weight: 700; }
.tf-button-primary { background: var(--tf-primary); color: #fff; }
.tf-button-secondary { border: 1px solid var(--tf-primary); color: var(--tf-primary); background: #fff; }
.tf-form-shell .tf-form-row { border-bottom: 1px solid var(--tf-border); padding-block: .75rem; }
@media (max-width: 767px) {
  .tf-section { padding-block: 4rem; }
  .tf-grid { display: grid; grid-template-columns: 1fr; }
  .tf-split { display: flex; flex-direction: column; }
  .tf-button { min-height: 44px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; } }