/* Regeneration Therapy Space - base styles */

:where(*, *::before, *::after) { box-sizing: border-box; }
:where(body, h1, h2, h3, h4, p, figure, blockquote, dl, dd) { margin: 0; }
:where(ul, ol) { margin: 0; padding: 0; list-style: none; }
:where(img, picture, svg) { display: block; max-width: 100%; }
:where(a) { color: inherit; text-decoration: none; }
:where(button, input, textarea, select) { font: inherit; color: inherit; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

body.regeneration-therapy {
  background: var(--rts-bg);
  color: var(--rts-ink);
  font-family: var(--rts-font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

:where(h1, h2, h3, h4) { margin: 0; }

body.regeneration-therapy h1,
body.regeneration-therapy h2,
body.regeneration-therapy h3,
body.regeneration-therapy h4 {
  font-family: var(--rts-font-heading) !important;
  font-weight: 600;
  line-height: 1.1;
  color: var(--rts-ink);
}

body.regeneration-therapy h1 { font-size: clamp(2.5rem, 4vw + 1rem, 4.25rem); }
body.regeneration-therapy h2 { font-size: clamp(1.9rem, 2.4vw + 1rem, 2.75rem); }
body.regeneration-therapy h3 { font-size: clamp(1.4rem, 1.2vw + 1rem, 1.75rem); }

em, .rts-em { font-style: italic; }

.rts-container {
  width: 100%;
  max-width: var(--rts-container);
  margin-inline: auto;
  padding-inline: var(--rts-space-md);
}

.rts-reading {
  max-width: var(--rts-reading-measure);
  margin-inline: auto;
}

.rts-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rts-accent);
}

.rts-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--rts-radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: opacity 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
  cursor: pointer;
}
.rts-btn--primary-dark {
  background: var(--rts-ink);
  color: var(--rts-bg);
}
.rts-btn--primary-dark:hover { opacity: 0.88; }
.rts-btn--accent {
  background: var(--rts-accent);
  color: var(--rts-ink);
}
.rts-btn--accent:hover { opacity: 0.88; }
.rts-btn--outline {
  background: transparent;
  border-color: currentColor;
  color: var(--rts-ink);
}
.rts-btn--outline-invert {
  background: transparent;
  border-color: rgba(245,239,226,0.55);
  color: var(--rts-bg);
}
.rts-btn--outline-invert:hover { border-color: var(--rts-bg); }

.rts-pill {
  display: inline-block;
  padding: 5px 14px;
  border-radius: var(--rts-radius-pill);
  background: var(--rts-sage);
  color: var(--rts-forest);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.rts-hairline { border: none; border-top: 1px solid var(--rts-line); margin: 0; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--rts-ink);
  color: var(--rts-bg);
  padding: 12px 20px;
  z-index: 1000;
}
.skip-link:focus { left: var(--rts-space-md); top: var(--rts-space-xs); }

[data-rts-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-rts-reveal].is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-rts-reveal] { opacity: 1; transform: none; transition: none; }
}

.rts-section { padding-block: var(--rts-space-xl); }
.rts-section--tight { padding-block: var(--rts-space-lg); }
.rts-section-head { max-width: 60ch; margin-bottom: var(--rts-space-lg); }
.rts-section-head p { margin-top: var(--rts-space-sm); color: var(--rts-ink-soft); font-size: 1.05rem; }