/* ==========================================================================
   GolfSimCanada.site — Components CSS
   SSOT Reference: 08-design-system.md §8-15 & 13-build-flow.md §1.2
   Order: 20 base components + Sticky Bottom Nav + Filter Panel + Cookie Banner + Tool Card
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Badge Components
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  line-height: 1;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-elevated);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.badge--editors-choice,
.badge-editors-choice {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}

.badge--featured {
  background: var(--color-accent-muted);
  color: var(--color-accent);
  border-color: var(--color-border-accent);
}

.badge--info {
  background: var(--color-primary-muted);
  color: var(--color-primary-light);
  border-color: var(--color-primary);
}

.badge--new {
  background: var(--color-success);
  color: #FFFFFF;
  border-color: var(--color-success);
}

/* --------------------------------------------------------------------------
   2. Button Components
   -------------------------------------------------------------------------- */
.btn,
.btn-primary,
.btn-secondary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  line-height: 1;
  letter-spacing: var(--tracking-wide);
  text-decoration: none;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: background var(--duration-fast) var(--ease-standard),
              box-shadow var(--duration-fast) var(--ease-standard),
              transform var(--duration-fast) var(--ease-standard),
              border-color var(--duration-fast) var(--ease-standard);
  min-height: 44px; /* WCAG touch target */
  min-width: 44px;
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary,
.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}

.btn--primary:hover,
.btn-primary:hover {
  background: var(--color-accent-bright);
  border-color: var(--color-accent-bright);
  box-shadow: var(--shadow-gold);
  transform: translateY(-1px);
  color: var(--color-text-inverse);
}

.btn--secondary,
.btn-secondary {
  background: var(--color-primary);
  color: var(--color-text-primary);
  border-color: var(--color-primary);
}

.btn--secondary:hover,
.btn-secondary:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-green);
  transform: translateY(-1px);
  color: #FFFFFF;
}

.btn--ghost,
.btn-ghost {
  background: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border-strong);
}

.btn--ghost:hover,
.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-bg-elevated);
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-small);
  min-height: 38px;
}

.btn--lg {
  padding: var(--space-5) var(--space-10);
  font-size: 18px;
  min-height: 52px;
}

.btn--xs {
  padding: 6px 12px;
  font-size: var(--text-xs);
  min-height: 32px;
}

/* --------------------------------------------------------------------------
   3. Card Base Component
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--duration-normal) var(--ease-standard),
              box-shadow var(--duration-normal) var(--ease-standard),
              transform var(--duration-normal) var(--ease-standard);
  position: relative;
  overflow: hidden;
}

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

/* --------------------------------------------------------------------------
   4. Product Card (Ecom Style)
   -------------------------------------------------------------------------- */
.product-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: border-color var(--duration-normal) var(--ease-standard),
              box-shadow var(--duration-normal) var(--ease-standard),
              transform var(--duration-normal) var(--ease-standard);
  position: relative;
  overflow: hidden;
}

.product-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-gold);
  transform: translateY(-3px);
}

.product-card__image-wrap {
  aspect-ratio: 4 / 3;
  background: var(--color-bg-base);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.product-card__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-standard);
}

.product-card:hover .product-card__image-wrap img {
  transform: scale(1.04);
}

.product-card__body {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
}

.product-card__title {
  font-family: var(--font-ui);
  font-size: var(--text-h4);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  margin-top: 0;
  margin-bottom: var(--space-2);
}

.product-card__title a {
  color: #FFFFFF;
  text-decoration: none;
}

.product-card__title a:hover {
  color: var(--color-accent);
}

.product-card__meta {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.product-card__footer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.product-price {
  font-family: var(--font-mono);
  font-size: var(--text-h4);
  font-weight: var(--weight-bold);
  color: var(--color-accent);
}

.product-rating {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-small);
  color: var(--color-accent);
  font-weight: var(--weight-bold);
}

/* --------------------------------------------------------------------------
   5. Product Card Mini (In-article embed)
   -------------------------------------------------------------------------- */
.product-card-mini {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin: var(--space-6) 0;
  text-decoration: none;
}

.product-card-mini__img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--color-bg-base);
}

.product-card-mini__info {
  flex: 1 1 auto;
}

.product-card-mini__title {
  font-size: var(--text-body-md);
  font-weight: var(--weight-bold);
  color: #FFFFFF;
  margin-bottom: var(--space-1);
}

/* --------------------------------------------------------------------------
   6. Article Card Component
   -------------------------------------------------------------------------- */
.article-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform var(--duration-normal) var(--ease-standard),
              box-shadow var(--duration-normal) var(--ease-standard),
              border-color var(--duration-normal) var(--ease-standard);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-strong);
}

.article-card__img-wrap {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-base);
}

.article-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-standard);
}

.article-card:hover .article-card__img-wrap img {
  transform: scale(1.05);
}

.article-card__body {
  padding: var(--space-6);
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
}

.article-card__title {
  font-family: var(--font-editorial);
  font-size: var(--text-h3);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  color: #FFFFFF;
  margin-top: 0;
  margin-bottom: var(--space-3);
}

.article-card__title a {
  color: #FFFFFF;
  text-decoration: none;
}

.article-card__title a:hover {
  color: var(--color-accent);
}

.article-card__excerpt {
  font-size: var(--text-body-md);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
  flex: 1 1 auto;
}

.article-card__meta {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* --------------------------------------------------------------------------
   7. Venue & Installer Directory Card
   -------------------------------------------------------------------------- */
.venue-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: border-color var(--duration-normal) var(--ease-standard),
              box-shadow var(--duration-normal) var(--ease-standard);
}

@media (min-width: 768px) {
  .venue-card {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

.venue-card.featured,
.venue-card--featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-gold);
  background: var(--color-bg-elevated);
}

.venue-card__body h3 {
  margin-top: 0;
  margin-bottom: var(--space-2);
}

.venue-card__location {
  font-size: var(--text-body-md);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.venue-card__footer {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* --------------------------------------------------------------------------
   8. Dealer Card Component
   -------------------------------------------------------------------------- */
.dealer-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

/* --------------------------------------------------------------------------
   9. Breadcrumb Component
   -------------------------------------------------------------------------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  list-style: none;
  padding-left: 0;
}

.breadcrumb a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.breadcrumb-separator {
  color: var(--color-text-tertiary);
}

/* --------------------------------------------------------------------------
   10. TL;DR Box Component
   -------------------------------------------------------------------------- */
.tldr-box {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-accent);
  border-left-width: 6px;
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin: var(--space-8) 0;
  box-shadow: var(--shadow-sm);
}

.tldr-box__heading {
  font-family: var(--font-ui);
  font-size: var(--text-h4);
  font-weight: var(--weight-bold);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-top: 0;
  margin-bottom: var(--space-3);
}

.tldr-box__content {
  font-size: var(--text-body-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-primary);
}

.tldr-box__content p:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   11. Table of Contents (TOC) Component
   -------------------------------------------------------------------------- */
.toc {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin: var(--space-8) 0;
}

.toc__heading {
  font-family: var(--font-ui);
  font-size: var(--text-h4);
  font-weight: var(--weight-bold);
  color: #FFFFFF;
  margin-top: 0;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.toc__list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.toc__item {
  margin-bottom: var(--space-2);
}

.toc__item--h3 {
  padding-left: var(--space-4);
}

.toc__item a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--text-body-md);
}

.toc__item a:hover {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   12. Author Box Component
   -------------------------------------------------------------------------- */
.author-box {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin: var(--space-12) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .author-box {
    flex-direction: row;
    align-items: flex-start;
  }
}

.author-avatar {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 2px solid var(--color-accent);
  flex-shrink: 0;
}

.author-info h4 {
  margin-top: 0;
  margin-bottom: var(--space-1);
}

.author-title {
  font-size: var(--text-small);
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.author-bio {
  font-size: var(--text-body-md);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   13. FAQ Block Component
   -------------------------------------------------------------------------- */
.faq-block {
  margin: var(--space-12) 0;
}

.faq-item {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  padding: var(--space-6);
}

.faq-item summary,
.faq-question {
  font-family: var(--font-ui);
  font-size: var(--text-h4);
  font-weight: var(--weight-bold);
  color: #FFFFFF;
  cursor: pointer;
  margin-bottom: var(--space-3);
}

.faq-answer {
  font-size: var(--text-body-lg);
  color: var(--color-text-primary);
  line-height: var(--leading-relaxed);
}

/* --------------------------------------------------------------------------
   14. Trust Verified Badge Component
   -------------------------------------------------------------------------- */
.trust-verified {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
}

.trust-verified::before {
  content: '✓';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: bold;
}

/* --------------------------------------------------------------------------
   15. Specs Table Component
   -------------------------------------------------------------------------- */
.specs-table {
  width: 100%;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: var(--space-8) 0;
}

.specs-table th,
.specs-table td {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

.specs-table th {
  background: var(--color-bg-elevated);
  color: #FFFFFF;
  font-family: var(--font-ui);
  font-size: var(--text-body-md);
  font-weight: var(--weight-bold);
}

.specs-table td {
  font-family: var(--font-mono);
  font-size: var(--text-body-md);
  color: var(--color-text-primary);
}

.specs-table tr:last-child td {
  border-bottom: none;
}

/* --------------------------------------------------------------------------
   16. Pros & Cons Component
   -------------------------------------------------------------------------- */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

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

.pros, .cons {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.pros h4 {
  color: var(--color-success);
  margin-top: 0;
}

.cons h4 {
  color: var(--color-error);
  margin-top: 0;
}

.pros ul, .cons ul {
  padding-left: var(--space-4);
  margin-bottom: 0;
}

.pros li::marker { color: var(--color-success); }
.cons li::marker { color: var(--color-error); }

/* --------------------------------------------------------------------------
   17. Pagination Component
   -------------------------------------------------------------------------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin: var(--space-12) 0;
}

.pagination__btn {
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: var(--text-label);
}

.pagination__btn:hover,
.pagination__btn.active {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-bg-elevated);
}

/* --------------------------------------------------------------------------
   18. Tag Component
   -------------------------------------------------------------------------- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  text-decoration: none;
}

.tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.tag--sm {
  font-size: var(--text-xs);
  padding: 2px 8px;
}

/* --------------------------------------------------------------------------
   19. Related Terms Component
   -------------------------------------------------------------------------- */
.related-terms {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

.related-term-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  text-decoration: none;
  color: var(--color-text-primary);
  transition: border-color var(--duration-fast);
}

.related-term-card:hover {
  border-color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   20. Star Rating Component
   -------------------------------------------------------------------------- */
.stars {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  color: var(--color-accent);
}

.star {
  display: inline-block;
}

.star--empty {
  color: var(--color-border-strong);
}

/* --------------------------------------------------------------------------
   21. Mobile Sticky Bottom Nav (Mobile Only)
   SSOT Reference: 08-design-system.md §13
   -------------------------------------------------------------------------- */
.mobile-bottom-nav {
  display: none; /* Hidden on desktop */
}

@media (max-width: 768px) {
  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-bg-surface);
    border-top: 1px solid var(--color-border-strong);
    padding: var(--space-2) 0 calc(var(--space-2) + env(safe-area-inset-bottom));
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 -4px 16px rgba(0,0,0,0.5);
  }

  .mbn-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--space-2) var(--space-3);
    min-width: 44px;
    min-height: 44px;
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-family: var(--font-ui);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: var(--tracking-wide);
    cursor: pointer;
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-standard);
  }

  .mbn-item svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  .mbn-item--cta {
    color: var(--color-accent);
    font-weight: 700;
  }

  .mbn-item.active,
  .mbn-item:hover {
    color: var(--color-text-primary);
  }

  /* Sub-tray — slides up from bottom */
  .mbn-tray {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    border-top: 1px solid var(--color-border-strong);
    padding: var(--space-4) var(--space-6) calc(80px + env(safe-area-inset-bottom));
    transform: translateY(100%);
    transition: transform var(--duration-normal) var(--ease-standard);
    will-change: transform;
  }

  .mbn-tray.is-open {
    transform: translateY(0);
  }

  .mbn-tray__handle {
    width: 36px;
    height: 4px;
    background: var(--color-border-strong);
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-4);
  }

  .mbn-tray__links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }

  .mbn-tray__links a {
    padding: var(--space-4);
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-ui);
    font-size: var(--text-label);
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    transition: border-color var(--duration-fast), background var(--duration-fast);
  }

  .mbn-tray__links a:hover {
    border-color: var(--color-accent);
    background: var(--color-bg-overlay);
  }

  .mbn-tray-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 998;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
  }

  .mbn-tray-backdrop.is-visible {
    display: block;
  }
}

/* --------------------------------------------------------------------------
   22. Filter Panel Component
   -------------------------------------------------------------------------- */
.filter-panel {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.filter-group {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-4);
}

.filter-group:last-child {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.filter-group__label {
  font-family: var(--font-ui);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-3);
}

.filter-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  cursor: pointer;
  font-size: var(--text-body-md);
  color: var(--color-text-secondary);
  transition: color var(--duration-fast);
}

.filter-item:hover {
  color: var(--color-text-primary);
}

.filter-range {
  width: 100%;
  accent-color: var(--color-accent);
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-muted);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-primary);
}

/* --------------------------------------------------------------------------
   23. Cookie Consent Banner Component
   -------------------------------------------------------------------------- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2000;
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border-accent);
  box-shadow: var(--shadow-xl);
  padding: var(--space-6);
  display: none; /* Controlled by JS via aria-hidden */
}

@media (max-width: 768px) {
  .cookie-banner {
    bottom: calc(64px + env(safe-area-inset-bottom));
  }
}

.cookie-banner[aria-hidden="false"] {
  display: block;
}

.cookie-banner__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (min-width: 1024px) {
  .cookie-banner__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.cookie-banner__title {
  font-family: var(--font-ui);
  font-size: var(--text-h4);
  font-weight: var(--weight-bold);
  margin-top: 0;
  margin-bottom: var(--space-2);
}

.cookie-banner__text p {
  font-size: var(--text-body-md);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.cookie-banner__options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.cookie-option {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-small);
  color: var(--color-text-primary);
  cursor: pointer;
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* --------------------------------------------------------------------------
   24. Interactive Tool Card Component
   -------------------------------------------------------------------------- */
.tool-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: border-color var(--duration-normal), box-shadow var(--duration-normal), transform var(--duration-normal);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.tool-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-gold);
  transform: translateY(-4px);
}

.tool-card__icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-muted);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--color-accent);
}

.tool-card__title {
  font-family: var(--font-editorial);
  font-size: var(--text-h4);
  font-weight: var(--weight-bold);
  color: #FFFFFF;
  margin-bottom: var(--space-3);
}

.tool-card__description {
  font-size: var(--text-body-md);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.tool-card__cta {
  width: 100%;
}

/* --------------------------------------------------------------------------
   25. Header Navigation Layout Specs
   SSOT Reference: 08-design-system.md §8 & 13-build-flow.md §2.2
   -------------------------------------------------------------------------- */
.nav {
  background: rgba(17, 23, 20, 0.92);
  border-bottom: 1px solid var(--color-border);
  height: 72px;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-6);
}

@media (min-width: 1024px) {
  .nav__links {
    display: flex;
  }
}

.nav__link {
  font-family: var(--font-ui);
  font-size: var(--text-label);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-text-primary);
  text-decoration: none;
}

.nav__dropdown {
  position: relative;
}

.nav__dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-bg-overlay);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: var(--space-2) 0;
  box-shadow: var(--shadow-xl);
  z-index: 110;
}

.nav__link--dropdown[aria-expanded="true"] + .nav__dropdown-menu {
  display: block;
}

.nav__dropdown-menu a {
  display: block;
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--text-body-md);
  transition: background var(--duration-fast), color var(--duration-fast);
}

.nav__dropdown-menu a:hover {
  background: var(--color-bg-elevated);
  color: var(--color-accent);
}

.nav__cta {
  display: none;
}

@media (min-width: 768px) {
  .nav__cta {
    display: inline-flex;
  }
}

.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

@media (min-width: 1024px) {
  .nav__hamburger {
    display: none;
  }
}

.nav__hamburger span {
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--duration-fast) var(--ease-standard);
}

.nav__mobile {
  display: block;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border-strong);
  padding: var(--space-6) 0;
  transform: translateY(-150%);
  transition: transform var(--duration-normal) var(--ease-standard);
  z-index: 99;
  box-shadow: var(--shadow-xl);
  max-height: calc(100vh - 72px);
  overflow-y: auto;
}

.nav__mobile[aria-hidden="false"] {
  transform: translateY(0);
}

.nav__mobile-link {
  display: block;
  padding: var(--space-3) 0;
  font-size: var(--text-body-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
}

.nav__mobile-link--sub {
  font-size: var(--text-body-md);
  font-weight: var(--weight-regular);
  color: var(--color-text-secondary);
  padding-left: var(--space-4);
}

.nav__mobile-group-title {
  font-size: var(--text-small);
  font-weight: var(--weight-bold);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
}

/* --------------------------------------------------------------------------
   26. Site Footer Layout Specs
   SSOT Reference: 08-design-system.md §13 & 13-build-flow.md §2.3
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  padding-top: var(--section-gap);
  padding-bottom: var(--space-12);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-tagline {
  font-family: var(--font-editorial);
  font-size: var(--text-body-xl);
  font-weight: var(--weight-bold);
  color: #FFFFFF;
  margin-bottom: 0;
}

.footer-editorial-statement {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: 0;
}

.footer-col-title {
  font-family: var(--font-ui);
  font-size: var(--text-label);
  font-weight: var(--weight-bold);
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-top: 0;
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  font-size: var(--text-body-md);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-10) 0 var(--space-6);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-align: center;
  font-size: var(--text-small);
  color: var(--color-text-secondary);
}

@media (min-width: 768px) {
  .footer-bottom {
    text-align: left;
  }
}

.footer-legal nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2) var(--space-3);
}

@media (min-width: 768px) {
  .footer-legal nav {
    justify-content: flex-start;
  }
}

.footer-legal a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

.footer-legal a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.footer-legal-sep {
  color: var(--color-text-tertiary);
}

.footer-disclaimer {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.footer-copyright {
  font-size: var(--text-small);
  color: var(--color-text-tertiary);
  margin-bottom: 0;
}