/* ==========================================================================
   Celliara — components.css
   Shared UI Components: header, nav, buttons, badges, scores, trust badges,
   FAQ accordion, sticky CTA bar, scroll CTAs, footer, pre-CTA trust stacks
   Template v1.3 | Mobile-first
   ========================================================================== */

/* ── Site Header ─────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.site-header__inner {
  width: 100%;
  max-width: var(--max-width-wide);
  margin-inline: auto;
  padding-inline: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

/* Logo */
.site-logo {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* Desktop Nav — hidden on mobile, shown at 768px+ */
.site-nav {
  display: none;
  align-items: center;
  gap: var(--spacing-lg);
}

.site-nav a {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-text-primary);
  text-decoration: none;
}

/* Hamburger toggle button */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  min-height: 44px;
  padding: var(--spacing-sm);
  cursor: pointer;
  background: none;
  border: none;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: var(--radius-sm);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Hamburger → X when open */
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav drawer */
.site-nav.is-open {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background-color: var(--color-bg-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md);
  z-index: var(--z-header);
}

.site-nav.is-open a {
  width: 100%;
  padding-block: var(--spacing-md);
  font-size: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.site-nav.is-open a:last-child {
  border-bottom: none;
}

@media (min-width: 768px) {
  .site-nav {
    display: flex;
    position: static;
    flex-direction: row;
    background: none;
    border: none;
    padding: 0;
  }

  .nav-toggle {
    display: none;
  }
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  min-height: 44px;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

/* Primary: gold bg, dark text */
.btn--primary,
a.btn--primary,
a.btn.btn--primary {
  background-color: var(--color-accent);
  color: #0a0a0a !important;
  border-color: var(--color-accent);
}

.btn--primary:hover,
.btn--primary:focus-visible,
a.btn--primary:hover,
a.btn--primary:focus-visible {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #0a0a0a !important;
  text-decoration: none;
}

/* Secondary: transparent bg, gold border + text */
.btn--secondary {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  background-color: rgba(201, 169, 110, 0.1);
  color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  text-decoration: none;
}

/* Ghost variant — low emphasis, no border */
.btn--ghost {
  background-color: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  color: var(--color-text-secondary);
  border-color: var(--color-border);
  text-decoration: none;
}

/* Full width modifier */
.btn--full {
  width: 100%;
}

/* ── Score Compact ───────────────────────────────────────────────────────── */
.score-compact {
  display: inline-flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 2px var(--spacing-xs);
  margin-block: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
}

.score-compact__value {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  line-height: 1;
}

.score-compact__denom {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-normal);
  line-height: 1;
}

.score-compact__label {
  display: block;
  width: 100%;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.05em;
  margin-top: 2px;
}

/* ── Trust Badges ────────────────────────────────────────────────────────── */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  line-height: 1.4;
  white-space: nowrap;
}

.trust-badge--fda {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ── Pre-CTA Trust Stack ─────────────────────────────────────────────────── */
.precta-trust {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-block: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.precta-trust__item {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  padding-left: var(--spacing-md);
  position: relative;
  line-height: 1.4;
}

.precta-trust__item::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-pro);
  font-size: var(--font-size-xs);
}

/* ── BestFor Badge (overlay on device card images) ───────────────────────── */
.bestfor-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-sm);
  line-height: 1;
  white-space: nowrap;
}

.bestfor-badge--overlay {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  z-index: 1;
}

.bestfor-badge--editorspick {
  background-color: var(--color-accent);
  color: #0a0a0a;
}

.bestfor-badge--antiaging,
.bestfor-badge--beginner {
  background-color: var(--color-bg-elevated);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

/* ── FAQ Accordion (Pure CSS — checkbox hack) ────────────────────────────── */
.faq-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-border);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

/* Hide the actual checkbox */
.faq-item__toggle {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.faq-item__label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding-block: var(--spacing-md);
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: color var(--transition-fast);
  line-height: 1.4;
  min-height: 44px;
}

.faq-item__label:hover {
  color: var(--color-accent);
}

/* Chevron icon */
.faq-item__chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform var(--transition-base);
}

/* Panel: closed state */
.faq-item__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

/* Panel: open state — checkbox checked */
.faq-item__toggle:checked ~ .faq-item__panel {
  max-height: 600px;
}

/* Chevron rotates when open */
.faq-item__toggle:checked ~ .faq-item__label .faq-item__chevron {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.faq-item__answer {
  padding-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.faq-item__answer p + p {
  margin-top: var(--spacing-sm);
}

.faq-item__answer a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* ── Sticky CTA Bar ──────────────────────────────────────────────────────── */
#sticky-cta,
.sticky-cta-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-sm) var(--spacing-md);
  align-items: center;
  gap: var(--spacing-sm);
  min-height: 64px;
}

#sticky-cta.is-visible,
.sticky-cta-bar.is-visible {
  display: flex;
}

#sticky-cta.is-dismissed,
.sticky-cta-bar.is-dismissed {
  display: none !important;
}

.sticky-cta-bar__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.sticky-cta-bar__device {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sticky-cta-bar__benefit {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: 1.3;
}

.sticky-cta-bar__price {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.sticky-cta-bar__friction-reducer {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-style: italic;
}

.sticky-cta-bar__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-accent);
  color: #0a0a0a;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background-color var(--transition-fast);
}

.sticky-cta-bar__cta:hover {
  background-color: var(--color-accent-hover);
  color: #0a0a0a;
  text-decoration: none;
}

.sticky-cta-bar__dismiss {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  min-height: 44px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1rem;
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
  transition: color var(--transition-fast);
}

.sticky-cta-bar__dismiss:hover {
  color: var(--color-text-primary);
}

/* Hide sticky bar on desktop */
@media (min-width: 768px) {
  #sticky-cta,
  .sticky-cta-bar {
    display: none !important;
  }
}

/* ── Scroll CTAs ─────────────────────────────────────────────────────────── */
.scroll-sentinel {
  height: 1px;
  pointer-events: none;
}

.scroll-cta {
  /* Hidden on mobile — sticky CTA bar is the sole mobile CTA system */
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: calc(var(--z-sticky) + 1);
  background-color: var(--color-bg-elevated);
  border-top: 2px solid var(--color-accent);
  padding: var(--spacing-md);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

/* Scroll CTA only activates at 768px+ */
@media (min-width: 768px) {
  .scroll-cta {
    display: block;
  }
}

.scroll-cta.is-visible {
  transform: translateY(0);
}

/* When sticky CTA bar is also visible, shift scroll-cta above it */
.scroll-cta.sticky-active {
  bottom: 64px; /* sticky bar height */
}

/* Desktop: narrow floating card — not full-width banner */
@media (min-width: 768px) {
  .scroll-cta {
    left: auto;
    right: var(--spacing-xl);
    max-width: 440px;
    min-width: 0;
    overflow: hidden;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
  }

  .scroll-cta.sticky-active {
    bottom: 0; /* sticky bar hidden at 768px+ — reset */
  }
}

.scroll-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  max-width: var(--max-width);
  margin-inline: auto;
}

.scroll-cta__device {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 120px; /* prevent device info from collapsing when button text is long */
}

.scroll-cta__label {
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.scroll-cta__name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.scroll-cta__best-for {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.scroll-cta__proof {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Trust signal — appears between proof and buy button */
.scroll-cta__trust {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: 2px;
}

.scroll-cta .score-compact {
  margin-block: 2px;
}

.scroll-cta__actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  flex-shrink: 0;
  max-width: 160px; /* cap button column so device info always has room */
}

.scroll-cta__actions .btn {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* ── Device Card ─────────────────────────────────────────────────────────── */
.device-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.device-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
}

.device-card__image {
  position: relative;
  aspect-ratio: 1 / 1;
  background-color: var(--color-bg-surface);
  overflow: hidden;
}

.device-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.device-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  flex: 1;
}

.device-card__brand {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.device-card__name {
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: 0;
  line-height: 1.3;
}

.device-card__name a {
  color: var(--color-text-primary);
  text-decoration: none;
}

.device-card__name a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.device-card__category-tag {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.device-card__best-for {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.4;
}

.device-card__best-for strong {
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.device-card__benefit {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  font-style: normal;
  margin: 0;
}

.device-card__micro-proof {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin: 0;
}

.device-card__price-tier {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  font-weight: var(--font-weight-semibold);
  margin: 0;
}

.device-card__cta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  padding-top: 0;
  margin-top: auto;
}

/* Featured card variant — larger presence */
.device-card--featured {
  border-color: var(--color-border);
}

.device-card--featured .device-card__name {
  font-size: var(--font-size-lg);
}

/* Standard grid card variant */
.device-card--standard {
  /* compact, same structure */
}

/* ── Site Footer ─────────────────────────────────────────────────────────── */
.site-footer {
  background-color: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  margin-top: var(--spacing-xl);
}

.site-footer__inner {
  max-width: var(--max-width-wide);
  margin-inline: auto;
  padding: var(--spacing-xl) var(--spacing-md) var(--spacing-lg);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl) var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.site-footer__col-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.site-footer__links a {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  line-height: 1.4;
}

.site-footer__links a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.site-footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.site-footer__bottom p {
  color: var(--color-text-muted);
  margin: 0;
}

@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .site-footer__inner {
    padding-inline: var(--spacing-xl);
  }
}

/* ── Decision Shortcut Block ─────────────────────────────────────────────── */
.decision-shortcut {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.decision-shortcut__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
}

.decision-shortcut__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.decision-shortcut__link {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  min-height: 44px;
}

.decision-shortcut__link:hover {
  background-color: rgba(201, 169, 110, 0.1);
  text-decoration: none;
}

/* ── Inline CTA Link ─────────────────────────────────────────────────────── */
.cta-inline {
  color: var(--color-accent);
  font-weight: var(--font-weight-medium);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.cta-inline:hover {
  color: var(--color-accent-hover);
}

/* ==========================================================================
   Phase 2.5 — Missing Component CSS
   Added: 2026-03-26 | Fixes dependency audit gaps for template-review + template-guide
   ========================================================================== */

/* ── Score Full (review hero) ────────────────────────────────────────────── */
/* Large score display: value, /10 label, progress bar. Review hero only.     */
.score-full {
  margin-block: var(--spacing-md);
}

.score-full__row {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-xs);
  line-height: 1;
}

.score-full__value {
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
}

.score-full__denom {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-semibold);
}

.score-full__label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.score-full__bar {
  width: 100%;
  max-width: 280px;
  height: 4px;
  background-color: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.score-full__bar-fill {
  height: 100%;
  background-color: var(--color-accent);
  border-radius: var(--radius-full);
  transition: width 0.6s ease;
}

/* ── Pros / Cons Block ───────────────────────────────────────────────────── */
/* Two-column verdict block. Used in review verdict + who-it's-for sections.  */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-block: var(--spacing-md);
}

@media (min-width: 768px) {
  .pros-cons {
    grid-template-columns: 1fr 1fr;
  }
}

.pros-cons__col {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
}

.pros-cons__heading {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--spacing-sm);
}

.pros-cons__heading--pros { color: var(--color-pro); }
.pros-cons__heading--cons { color: var(--color-con); }

.pros-cons__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.pros-cons__item {
  display: flex;
  align-items: flex-start;
  gap: 0.6em;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.pros-cons__item--pro::before {
  content: '✓';
  color: var(--color-pro);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

.pros-cons__item--con::before {
  content: '✕';
  color: var(--color-con);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

/* ── Related Block (review Section 11) ──────────────────────────────────── */
/* Strip of contextual content links at the bottom of review pages.           */
.related-block {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.related-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: var(--spacing-md);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.related-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
  text-decoration: none;
}

.related-item__tag {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-accent);
}

.related-item__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: 1.35;
}

.related-item:hover .related-item__title {
  color: var(--color-accent);
}

.related-item__desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: 1.45;
}

@media (min-width: 768px) {
  .related-block {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
}

/* ── Internal Link Block (guide bottom nav) ──────────────────────────────── */
/* Contextual navigation strip linking to category / best-of / compare.       */
.internal-link-block {
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-lg);
}

.internal-link-block .section-label {
  margin-bottom: var(--spacing-md);
}

.internal-link-block__strip {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

@media (min-width: 768px) {
  .internal-link-block__strip {
    flex-direction: row;
    gap: var(--spacing-lg);
  }
}

.internal-link-block__item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  flex: 1;
  min-width: 0;
  padding: var(--spacing-md);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: border-color var(--transition-fast);
  min-height: 44px;
}

.internal-link-block__item:hover {
  border-color: var(--color-accent);
  text-decoration: none;
}

.internal-link-block__tag {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-accent);
}

.internal-link-block__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: 1.35;
}

.internal-link-block__item:hover .internal-link-block__title {
  color: var(--color-accent);
}

/* ── Scroll CTA — Late variant ───────────────────────────────────────────── */
/* .scroll-cta--late has identical display logic to base .scroll-cta.         */
/* JS targets id="scroll-cta-late" — the class is a semantic marker only.     */
/* No additional CSS rules needed beyond what .scroll-cta already provides.   */
.scroll-cta--late {
  /* Inherits all rules from .scroll-cta. No overrides required. */
}

/* ── Product Stack Item — inline product recommendation with buy CTA ─────── */
/* Used in protocol/routine pages to present each product in a routine stack.  */
/* One block per product. Buy button inline. Category-agnostic.               */
.product-stack-item {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.product-stack-item__step {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.product-stack-item__name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-xs) 0;
}

.product-stack-item__timing {
  font-size: 12px;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--spacing-md);
}

.product-stack-item__body {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.product-stack-item__cta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.product-stack-item__commission {
  font-size: 11px;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
}

@media (max-width: 480px) {
  .product-stack-item {
    padding: var(--spacing-md);
  }
  .product-stack-item__cta {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ── Stack Summary Block — compact product grid above content ──────────────── */
.stack-summary {
  background: var(--color-bg-elevated);
  border: 1px solid rgba(201,169,110,0.4);
  border-top: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}
.stack-summary__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-lg);
}
.stack-summary__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}
.stack-summary__item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-lg);
  background: var(--color-bg-surface);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(201,169,110,0.15);
}
.stack-summary__name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--color-text-primary);
  margin: 0;
}
.stack-summary__reason {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0 0 var(--spacing-sm);
  flex: 1;
}
/* Force btn--primary inside stack-summary items */
.stack-summary__item .btn--secondary,
.stack-summary__item a.btn--secondary {
  background-color: var(--color-accent);
  color: #0a0a0a !important;
  border-color: var(--color-accent);
  width: 100%;
  justify-content: center;
  margin-top: auto;
}
.stack-summary__item .btn--secondary:hover,
.stack-summary__item a.btn--secondary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #0a0a0a !important;
}

/* ── Cost Frame Block ──────────────────────────────────────────────────────── */
.cost-frame {
  background: var(--color-bg-elevated);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}
.cost-frame__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}
.cost-frame__range {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-xs) 0;
}
.cost-frame__compare {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ── Buyer Path Block ──────────────────────────────────────────────────────── */
.buyer-path {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}
.buyer-path__option {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
}
.buyer-path__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}
.buyer-path__desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}
.buyer-path__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* ── Stack CTA Strip — bottom conversion block ─────────────────────────────── */
.stack-cta-strip {
  background: var(--color-bg-elevated);
  border: 1px solid rgba(201,169,110,0.3);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
  text-align: center;
}
.stack-cta-strip__label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-lg);
}
.stack-cta-strip__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
}

/* btn--sm modifier */
.btn--sm {
  min-height: 36px;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 11px;
}

@media (max-width: 480px) {
  .stack-summary__grid { grid-template-columns: 1fr 1fr; }
  .buyer-path__ctas { flex-direction: column; }
  .stack-cta-strip__buttons { flex-direction: column; align-items: center; }
}

/* ── Stack Summary — Winner badge ─────────────────────────────────────────── */
.stack-summary__item--winner {
  border-color: rgba(201,169,110,0.5);
  position: relative;
}
.stack-summary__item--winner::before {
  content: "Best Overall";
  position: absolute;
  top: -11px;
  left: var(--spacing-md);
  background: var(--color-accent);
  color: #0a0a0a;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 10px;
  border-radius: 20px;
}

/* ── Button: hover lift + glow ─────────────────────────────────────────────── */
a.btn--primary,
.btn--primary {
  transition: background-color var(--transition-fast), color var(--transition-fast),
              border-color var(--transition-fast), transform 120ms ease, box-shadow 120ms ease;
}
a.btn--primary:hover,
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(201,169,110,0.35);
}

/* ── Immediate action trigger block ────────────────────────────────────────── */
.action-trigger {
  background: var(--color-bg-surface);
  border: 1px solid rgba(201,169,110,0.2);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}
.action-trigger__lines {
  flex: 1;
  min-width: 200px;
}
.action-trigger__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}
.action-trigger__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.action-trigger__list li {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  padding: 2px 0;
}
.action-trigger__list li::before {
  content: "→ ";
  color: var(--color-accent);
}

/* ── Price anchor tag ──────────────────────────────────────────────────────── */
.price-anchor {
  font-size: 12px;
  color: var(--color-text-muted);
  font-style: italic;
  margin: 0 0 var(--spacing-xs);
}

/* ── Authority line ────────────────────────────────────────────────────────── */
.authority-line {
  font-size: 13px;
  color: var(--color-text-muted);
  font-style: italic;
  border-left: 2px solid rgba(201,169,110,0.4);
  padding-left: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

/* ── Micro-objection line ─────────────────────────────────────────────────── */
.micro-objection {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(201,169,110,0.06);
  border-radius: var(--radius-sm);
}
.micro-objection::before {
  content: "⚠ ";
  color: var(--color-accent);
}

/* ── Bottom CTA strip — consolidated ─────────────────────────────────────── */
.stack-cta-strip__primary {
  margin-bottom: var(--spacing-md);
}
.stack-cta-strip__secondary {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-sm);
}
.stack-cta-strip__secondary a {
  font-size: 12px;
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.stack-cta-strip__secondary a:hover {
  color: var(--color-accent);
}

/* ── Spacing between major blocks ─────────────────────────────────────────── */
.guide-body .product-stack-item + .product-stack-item {
  margin-top: calc(var(--spacing-xl) + 16px);
}
.guide-body h2 {
  margin-top: calc(var(--spacing-xl) + 8px);
}

@media (max-width: 600px) {
  .action-trigger {
    flex-direction: column;
    align-items: flex-start;
  }
  .action-trigger .btn--primary {
    width: 100%;
    text-align: center;
    justify-content: center;
  }
}

/* ── Stack instruction line — above stack summary grid ─────────────────────── */
.stack-instruction {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
  padding-left: var(--spacing-xs);
}

/* ── Bottom CTA strip enhancements ────────────────────────────────────────── */
.stack-cta-strip {
  background: var(--color-bg-elevated);
  border-color: rgba(201,169,110,0.4);
  border-top: 3px solid var(--color-accent);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}
.stack-cta-strip__headline {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.4;
}