/* ================================================================
   ROOT METHOD — Root Method Page Stylesheet
   File: assets/css/root-method.css

   Page-specific overrides only.
   Do NOT add styles that belong in component files.
   All values from tokens.css. All motion in animations.css.
================================================================ */


/* ----------------------------------------------------------------
   REVEAL FALLBACK
   Ensures content is visible when JavaScript is unavailable.
   The .reveal classes start at opacity: 0; without JS adding
   .is-visible, content would remain invisible.
---------------------------------------------------------------- */

@media (scripting: none) {
  .reveal,
  [class*="animate-"] {
    opacity: 1;
    transform: none;
  }
}


/* ----------------------------------------------------------------
   HERO — text colours over dark image overlay
   sections.css positions the overlay and handles spacing.
   root-method.css owns the colour overrides for this dark context.
---------------------------------------------------------------- */

.hero__heading {
  color: var(--color-text-inverse);
}

.hero__heading em {
  color: var(--color-text-accent);
}

.hero__subheading {
  color: var(--color-neutral-300);
}


/* ----------------------------------------------------------------
   SECTION BACKGROUND ALTERNATION
   Creates visual rhythm using stable aria-labelledby values.
   Three sections receive the subtle background.
---------------------------------------------------------------- */

[aria-labelledby="pillars-heading"],
[aria-labelledby="assessment-heading"],
[aria-labelledby="faq-rm-heading"] {
  background-color: var(--color-bg-subtle);
}


/* ----------------------------------------------------------------
   SPLIT CONTENT — vertical rhythm
   reset.css removes all margins. The split component owns layout.
   root-method.css restores paragraph and child element spacing.
---------------------------------------------------------------- */

.split__content > .eyebrow {
  margin-block-end: var(--space-4);
}

.split__content > h2 {
  margin-block-end: var(--space-6);
}

.split__content > p + p {
  margin-block-start: var(--space-4);
}

.split__content > p:last-of-type {
  margin-block-end: 0;
}

.split__content > * + .btn,
.split__content > * + .btn-group {
  margin-block-start: var(--space-8);
}


/* ----------------------------------------------------------------
   COMPARISON SECTION
   Two-column layout contrasting conventional vs ROOT approach.
   Custom block classes — not duplicating the card component.
   Colour, spacing, and typography all from tokens.
---------------------------------------------------------------- */

.comparison-col {
  padding: var(--space-10);
  border-radius: var(--radius-2xl);
}

.comparison-col--conventional {
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
}

.comparison-col--root {
  background-color: var(--color-bg-inverse);
}

.comparison-col__label {
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-widest);
  text-transform: uppercase;
  margin-block-end: var(--space-4);
}

.comparison-col--conventional .comparison-col__label {
  color: var(--color-text-muted);
}

.comparison-col--root .comparison-col__label {
  color: var(--color-text-accent);
}

.comparison-col__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  margin-block-end: var(--space-8);
}

.comparison-col--conventional .comparison-col__title {
  color: var(--color-text-primary);
}

.comparison-col--root .comparison-col__title {
  color: var(--color-text-inverse);
}

.comparison-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.comparison-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.comparison-col--conventional .comparison-item {
  color: var(--color-text-secondary);
}

.comparison-col--root .comparison-item {
  color: var(--color-neutral-300);
}

.comparison-item::before {
  font-family: var(--font-body);
  font-weight: var(--font-weight-semibold);
  flex-shrink: 0;
  line-height: var(--line-height-relaxed);
}

.comparison-item--negative::before {
  content: '\2014';
  color: var(--color-text-muted);
}

.comparison-item--positive::before {
  content: '\2192';
  color: var(--color-text-accent);
}


/* ----------------------------------------------------------------
   CRITERIA LIST — Who Is It For section
   Bordered list items with gold left-accent. Each item
   communicates a patient criterion clearly.
---------------------------------------------------------------- */

.criteria-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-block-start: var(--space-8);
}

.criteria-item {
  padding: var(--space-4) var(--space-5);
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  border-inline-start-width: 3px;
  border-inline-start-color: var(--color-accent);
}

.criteria-item p {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}


/* ----------------------------------------------------------------
   FAQ — details / summary
   Scoped to [aria-labelledby="faq-rm-heading"]. Same pattern
   as index.css; each page manages its own FAQ selector.
   Works without JavaScript via native <details>/<summary>.
---------------------------------------------------------------- */

[aria-labelledby="faq-rm-heading"] details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

[aria-labelledby="faq-rm-heading"] details + details {
  margin-block-start: var(--space-3);
}

[aria-labelledby="faq-rm-heading"] details[open] {
  border-color: var(--color-border-strong);
}

[aria-labelledby="faq-rm-heading"] summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  cursor: pointer;
  list-style: none;
}

[aria-labelledby="faq-rm-heading"] summary::-webkit-details-marker {
  display: none;
}

[aria-labelledby="faq-rm-heading"] summary::marker {
  display: none;
}

[aria-labelledby="faq-rm-heading"] summary h3 {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: var(--line-height-snug);
  flex: 1;
}

[aria-labelledby="faq-rm-heading"] summary::after {
  content: '+';
  font-family: var(--font-body);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-regular);
  color: var(--color-text-muted);
  flex-shrink: 0;
  width: var(--space-6);
  text-align: center;
}

[aria-labelledby="faq-rm-heading"] details[open] summary::after {
  content: '\2212';
}

[aria-labelledby="faq-rm-heading"] details p {
  margin-block-start: var(--space-5);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

[aria-labelledby="faq-rm-heading"] details:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-gold-light);
}


/* ----------------------------------------------------------------
   PROCESS — hide supplementary image on small screens.
   Timeline is the primary content; image is decorative.
---------------------------------------------------------------- */

@media (max-width: 768px) {
  [aria-labelledby="process-rm-heading"] .split__media {
    display: none;
  }

  .comparison-col {
    padding: var(--space-8);
  }
}


/* ----------------------------------------------------------------
   HERO — small-screen button stacking
   Prevents overflow and improves tap target size.
---------------------------------------------------------------- */

@media (max-width: 480px) {
  .hero .btn-group {
    flex-direction: column;
    align-items: stretch;
  }

  .hero .btn-group .btn {
    width: 100%;
    justify-content: center;
  }
}