/* ThinkaBell Professional UI/UX Enhancements
   ==========================================
   Enhanced homepage, tools listing, and accessibility styles.
   Include after tb-core.css on index.html, tools.html, and innovative-tool-list.html.
   ========================================== */

/* ── Quick Access Strip ──────────────────────────────────── */
/* ── Visual Timeline (How It Works) ──────────────────────── */
/* ── New & Noteworthy Section ────────────────────────────── */
/* ── Stats That Matter (Animated Counters) ───────────────── */
/* ── Enhanced Tool Cards ──────────────────────────────────── */
/* ── Enhanced Category Cards ─────────────────────────────── */
/* ── Enhanced Trending Section ───────────────────────────── */
/* ── Enhanced Section Cards (Scholarships, Prompt Eng.) ──── */
/* ── Enhanced FAQ Accordion ──────────────────────────────── */
/* ── Category Filter Tabs ────────────────────────────────── */
/* ── Tools Listing Hero ──────────────────────────────────── */
/* ── Search / Filter Bar ─────────────────────────────────── */
/* ── Mobile Horizontal Scroll Row ────────────────────────── */
/* ── Mobile Safe Area Support ─────────────────────────────── */
/* ── Accessibility: Skip Links ───────────────────────────── */
/* ── Focus Visible Enhancements ──────────────────────────── */
/* ── High Contrast Mode Support ──────────────────────────── */
/* ── Reduced Motion Support ──────────────────────────────── */
/* ── Responsive: Single column under 640px ───────────────── */
/* ── Touch Target Minimum 44x44px ────────────────────────── */
/* ── Print Styles ────────────────────────────────────────── */
/* ── Content Visibility for Performance ──────────────────── */
/* ── Staggered Animation Delays ──────────────────────────── */
/* ── Most Popular Badge ──────────────────────────────────── */
/* ── Tool Card Tooltip ──────────────────────────────────── */
/* ── Load More Button ──────────────────────────────────── */
/* ── Deep Dive Card ────────────────────────────────────────── */
/* ── Blog Card Enhancements ────────────────────────────────── */
/* ── HowTo Section ─────────────────────────────────────────── */
/* ── Related Tools Grid ────────────────────────────────────── */
/* ── Analysis Card Improvements ────────────────────────────── */
/* ── Enhanced Timeline with Icons ──────────────────────────── */
/* ── Testimonials Section ──────────────────────────────────── */
/* ── Popular Use Cases ────────────────────────────────────── */
/* ── Category Descriptions ────────────────────────────────── */
/* ── Recently Updated Badge ────────────────────────────────── */
/* ── Enhanced Header Search ────────────────────────────────── */
/* ── Enhanced Footer ──────────────────────────────────────── */
/* ── Filter Controls (Sort) ────────────────────────────────── */
/* ── Hero 3D Background ────────────────────────────────────── */
/* ── Hero Badge Animation ──────────────────────────────────── */
/* ── Tool Page Hero Badges ───────────────────────────────────── */
/* ── Section Headers ─────────────────────────────────────────── */
/* ── How-It-Works Steps ──────────────────────────────────────── */
/* ── Feature Cards ───────────────────────────────────────────── */
/* ── Use Cases ───────────────────────────────────────────────── */
/* ── Best Practices ──────────────────────────────────────────── */
/* ── Trust Signals ───────────────────────────────────────────── */
/* ── Comparison Table (Static) ───────────────────────────────── */
/* ── Tool Wrapper / Placeholder ───────────────────────────────── */
/* ── History Panel ───────────────────────────────────────────── */
/* ── Goal Cards ──────────────────────────────────────────────── */
/* ── Modal ───────────────────────────────────────────────────── */
/* ── Toast Container ─────────────────────────────────────────── */
/* ── Utility Helpers ─────────────────────────────────────────── */
/* ── Hero Illustration (Homepage) ────────────────────────────── */
/* ── Category Nav (Homepage) ─────────────────────────────────── */
/* ── Testimonials ────────────────────────────────────────────── */
/* ── Newsletter / CTA Sections ───────────────────────────────── */
/* ── Comparison Mode Panels (JS-driven) ──────────────────────── */
/* ── Scroll Progress Fix ─────────────────────────────────────── */
/* ── Reduced Motion ──────────────────────────────────────────── */
/* ── Extra layout helpers ────────────────────────────────────── */
/* ── Button modifier helpers (used by enhanced templates) ────── */

.tb-quick-access {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
  position: relative;
}
.tb-quick-access::before,
.tb-quick-access::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 1rem;
  width: 1.5rem;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  transition: opacity .2s;
}
.tb-quick-access::before {
  left: 0;
  background: linear-gradient(to right, var(--paper), transparent);
}
.tb-quick-access::after {
  right: 0;
  background: linear-gradient(to left, var(--paper), transparent);
}
.tb-quick-access__strip {
  display: flex;
  gap: .75rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: .5rem 0 1rem;
  scrollbar-width: none;
}
.tb-quick-access__strip::-webkit-scrollbar { display: none; }
.tb-quick-access__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem 1rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  text-decoration: none;
  color: var(--ink);
  font-size: .85rem;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  white-space: nowrap;
  min-height: 44px;
  min-width: 44px;
}
.tb-quick-access__item:hover {
  border-color: var(--amber);
  color: var(--amber-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.tb-quick-access__item span { font-size: 1.1rem; }
.tb-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
  gap: 1.5rem;
  position: relative;
  margin-top: 2rem;
}
.tb-timeline::before {
  content: '';
  position: absolute;
  top: 2rem;
  left: calc(50% - 50% + 1rem);
  right: calc(50% - 50% + 1rem);
  height: 3px;
  background: linear-gradient(90deg, var(--amber), var(--amber-dark), var(--amber));
  border-radius: 2px;
  z-index: 0;
}
.tb-timeline__step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.tb-timeline__step:hover {
  border-color: var(--amber);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.tb-timeline__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--amber), var(--amber-dark));
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: .75rem;
  box-shadow: 0 4px 12px rgba(79,70,229,.3);
}
.tb-timeline__step h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 .5rem;
  color: var(--ink);
}
.tb-timeline__step p {
  color: var(--slate);
  font-size: .85rem;
  margin: 0;
  line-height: 1.55;
}
.tb-new-noteworthy {
  background: linear-gradient(135deg, rgba(99,102,241,.03), rgba(79,70,229,.02));
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  margin: 0 auto;
  max-width: 1100px;
}
.tb-new-noteworthy__header {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.tb-new-noteworthy__badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .35rem .85rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--success), var(--success));
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  box-shadow: 0 2px 8px rgba(16,185,129,.25);
  animation: tb-pulse-badge-green 2s ease-in-out infinite;
}
.tb-new-noteworthy__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: 1rem;
}
.tb-new-card {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: 1rem 1.25rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.tb-new-card:hover {
  border-color: var(--amber);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.tb-new-card__icon { font-size: 1.5rem; flex-shrink: 0; }
.tb-new-card__info { flex: 1; min-width: 0; }
.tb-new-card__title {
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 600;
  margin: 0 0 .15rem;
  color: var(--ink);
}
.tb-new-card__cat {
  font-size: .75rem;
  color: var(--moss);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .03em;
  margin-bottom: .35rem;
}
.tb-new-card__desc {
  font-size: .8rem;
  color: var(--slate);
  line-height: 1.5;
  display: none;
}
.tb-new-card:hover .tb-new-card__desc {
  display: block;
  animation: tb-fade-in-up .25s ease-out;
}
.tb-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}
.tb-stat-card {
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.tb-stat-card:hover {
  border-color: var(--amber);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.tb-stat-card__value {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--amber-dark);
  line-height: 1;
  margin-bottom: .5rem;
}
.tb-stat-card__label {
  font-size: .8rem;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: .04em;
  font-weight: 500;
}
.tb-stat-progress {
  margin-top: .75rem;
  height: 6px;
  background: var(--moss-light);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.tb-stat-progress__fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--amber), var(--amber-dark));
  width: 0%;
  transition: width 1.5s cubic-bezier(.4, 0, .2, 1);
}
.tb-stat-card.is-visible .tb-stat-progress__fill {
  width: var(--p);
}
.tb-tool-card-enhanced {
  position: relative;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  min-height: 260px;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}
.tb-tool-card-enhanced::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--amber), var(--amber-dark));
  opacity: 0;
  transition: opacity var(--transition);
}
.tb-tool-card-enhanced:hover::before { opacity: 1; }
.tb-tool-card-enhanced:hover {
  border-color: var(--amber);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(99,102,241,.12);
}
.tb-tool-card-enhanced__icon {
  font-size: 2.25rem;
  margin-bottom: .75rem;
  transition: transform var(--transition);
}
.tb-tool-card-enhanced:hover .tb-tool-card-enhanced__icon {
  transform: scale(1.1);
}
.tb-tool-card-enhanced h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 .5rem;
  color: var(--ink);
  flex-shrink: 0;
}
.tb-tool-card-enhanced p {
  color: var(--slate);
  font-size: .88rem;
  margin: 0 0 .75rem;
  line-height: 1.55;
  flex: 1 1 auto;
}
.tb-tool-card-enhanced .tb-card-tag {
  display: inline-block;
  padding: .25rem .6rem;
  border-radius: var(--radius-full);
  background: var(--moss-light);
  border: 1px solid var(--border);
  font-size: .7rem;
  font-weight: 600;
  color: var(--moss);
  text-transform: uppercase;
  letter-spacing: .03em;
  margin-bottom: .5rem;
  flex-shrink: 0;
}
.cat-card-enhanced {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
  overflow: visible;
}
.cat-card-enhanced::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--amber), var(--amber-dark));
  transform: scaleX(0);
  transition: transform var(--transition);
}
.cat-card-enhanced:hover::after { transform: scaleX(1); }
.cat-card-enhanced:hover {
  border-color: var(--amber);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.cat-card-enhanced__icon {
  width: 3.5rem;
  height: 3.5rem;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(99,102,241,.1), rgba(79,70,229,.06));
  font-size: 1.75rem;
  transition: transform var(--transition);
}
.cat-card-enhanced:hover .cat-card-enhanced__icon {
  transform: scale(1.08);
}
.cat-card-enhanced h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 .5rem;
  color: var(--ink);
}
.cat-card-enhanced__count {
  display: inline-block;
  padding: .2rem .65rem;
  border-radius: var(--radius-full);
  background: var(--amber);
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  margin-bottom: .75rem;
}
.cat-card-enhanced p {
  color: var(--slate);
  font-size: .9rem;
  margin: 0 0 1.25rem;
  line-height: 1.55;
}
.cat-preview {
  position: absolute;
  left: 50%;
  bottom: calc(100% + .75rem);
  transform: translateX(-50%) translateY(8px);
  width: min(280px, 90vw);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  z-index: 50;
  text-align: left;
}
.cat-card-enhanced:hover .cat-preview,
.cat-card-enhanced:focus .cat-preview {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.cat-preview::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: var(--white);
}
.cat-preview__title {
  font-family: var(--font-display);
  font-size: .8rem;
  font-weight: 700;
  color: var(--amber-dark);
  margin: 0 0 .5rem;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.cat-preview__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.cat-preview__list li {
  margin-bottom: .35rem;
}
.cat-preview__list a {
  display: block;
  padding: .35rem .5rem;
  border-radius: var(--radius-md);
  color: var(--ink);
  text-decoration: none;
  font-size: .85rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}
.cat-preview__list a:hover {
  background: var(--moss-light);
  color: var(--amber-dark);
}
.tb-trending-enhanced {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.tb-trending-enhanced__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1rem;
}
.tb-trending-enhanced__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: .5rem;
}
.tb-trending-enhanced__dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse-dot 2s infinite;
}
.tb-trending-enhanced__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
  gap: .75rem;
}
.tb-trending-card {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .85rem 1rem;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--ink);
  transition: all var(--transition);
}
.tb-trending-card:hover {
  border-color: var(--amber);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}
.tb-trending-card__icon { font-size: 1.25rem; flex-shrink: 0; }
.tb-trending-card__name {
  font-weight: 600;
  font-size: .9rem;
  color: var(--ink);
  flex: 1;
}
.tb-trending-card__cat {
  font-size: .7rem;
  color: var(--moss);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.tb-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.tb-feature-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
}
.tb-feature-card:hover {
    border-color: var(--amber);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}
.tb-feature-card__body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.tb-feature-card__icon {
    font-size: 2.5rem;
    margin-bottom: .75rem;
}
.tb-feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 .5rem;
  color: var(--ink);
}
.tb-feature-card p {
  color: var(--slate);
  font-size: .9rem;
  margin: 0 0 1.25rem;
  line-height: 1.6;
  flex: 1;
}
.tb-feature-card .btn { align-self: flex-start; }
.tb-faq-enhanced {
  max-width: 46rem;
  margin: 0 auto;
}
.tb-faq-enhanced__item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: .75rem;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.tb-faq-enhanced__item:hover {
  border-color: var(--amber);
}
.tb-faq-enhanced__summary {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1rem 1.25rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  color: var(--ink);
  font-size: var(--text-base);
  transition: background var(--transition);
  min-height: 52px;
}
.tb-faq-enhanced__summary::-webkit-details-marker { display: none; }
.tb-faq-enhanced__summary::marker { content: ''; }
.tb-faq-enhanced__summary:hover { background: var(--moss-light); }
.tb-faq-enhanced__icon {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--amber), var(--amber-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  transition: transform var(--transition);
}
.tb-faq-enhanced__item[open] .tb-faq-enhanced__icon {
  transform: rotate(45deg);
}
.tb-faq-enhanced__text {
  padding: 0 1.25rem 1.25rem 3.75rem;
  color: var(--slate);
  line-height: 1.65;
  font-size: var(--text-base);
}
.tb-faq-enhanced__chevron {
  margin-left: auto;
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--slate);
}
.tb-faq-enhanced__item[open] .tb-faq-enhanced__chevron {
  transform: rotate(180deg);
}
.tb-filter-tabs {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 2rem;
  padding: 0 .5rem;
}
.tb-filter-tab {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .6rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--white);
  color: var(--slate);
  font: inherit;
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  min-height: 44px;
}
.tb-filter-tab:hover {
  border-color: var(--amber);
  color: var(--amber-dark);
  background: var(--moss-light);
}
.tb-filter-tab[aria-pressed="true"],
.tb-filter-tab.active {
  background: var(--amber);
  color: #fff;
  border-color: var(--amber);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(99,102,241,.3);
}
.tb-filter-tab__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  height: 1.5rem;
  padding: 0 .4rem;
  border-radius: var(--radius-full);
  background: rgba(99,102,241,.1);
  color: var(--amber-dark);
  font-size: .75rem;
  font-weight: 700;
}
.tb-filter-tab[aria-pressed="true"] .tb-filter-tab__count,
.tb-filter-tab.active .tb-filter-tab__count {
  background: rgba(255,255,255,.25);
  color: #fff;
}
.tb-tools-hero {
  position: relative;
  overflow: hidden;
}
.tb-tools-hero__content {
  position: relative;
  z-index: 1;
}
.tb-tools-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .4rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(99,102,241,.1);
  border: 1px solid rgba(99,102,241,.2);
  color: var(--amber-dark);
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.tb-search-filter-bar {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  max-width: 800px;
  margin-inline: auto;
}
.tb-search-input-wrap {
  position: relative;
  flex: 1;
  min-width: 220px;
}
.tb-search-input-wrap input {
  width: 100%;
  padding: .85rem 1rem .85rem 2.75rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--white);
  color: var(--ink);
  font: inherit;
  font-size: .95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.tb-search-input-wrap input:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(99,102,241,.15);
}
.tb-search-input-wrap input::placeholder { color: var(--slate); }
.tb-search-input-wrap .tb-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--slate);
  pointer-events: none;
}
.tb-hscroll-row {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: .5rem 0 1rem;
  scrollbar-width: none;
}
.tb-hscroll-row::-webkit-scrollbar { display: none; }
.tb-hscroll-row > * { scroll-snap-align: start; flex-shrink: 0; }
.tb-skip-nav {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--amber);
  color: #fff;
  padding: .75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  z-index: 10000;
  text-decoration: none;
  transition: top .2s ease;
}
.tb-skip-nav:focus { top: 1rem; }
*:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}
.tb-card:focus-visible,
.cat-card-enhanced:focus-visible,
.tb-trending-card:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}
.tb-trend-dot,
.tb-filter-tab,
.tb-quick-access__item,
.tb-new-card,
.tb-trending-card {
  min-height: 44px;
  min-width: 44px;
}
.tb-section--lazy { content-visibility: auto; contain-intrinsic-size: auto 120px; }
.tb-animate-stagger > *:nth-child(1) { animation-delay: 0.05s; }
.tb-animate-stagger > *:nth-child(2) { animation-delay: 0.1s; }
.tb-animate-stagger > *:nth-child(3) { animation-delay: 0.15s; }
.tb-animate-stagger > *:nth-child(4) { animation-delay: 0.2s; }
.tb-animate-stagger > *:nth-child(5) { animation-delay: 0.25s; }
.tb-animate-stagger > *:nth-child(6) { animation-delay: 0.3s; }
.tb-animate-stagger > *:nth-child(7) { animation-delay: 0.35s; }
.tb-animate-stagger > *:nth-child(8) { animation-delay: 0.4s; }
.tb-animate-stagger > *:nth-child(9) { animation-delay: 0.45s; }
.tb-animate-stagger > *:nth-child(10) { animation-delay: 0.5s; }
.tb-animate-stagger > *:nth-child(11) { animation-delay: 0.55s; }
.tb-animate-stagger > *:nth-child(12) { animation-delay: 0.6s; }
.tb-most-popular-badge {
  position: absolute;
  top: .75rem;
  right: .75rem;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .35rem .75rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--warning), var(--warning));
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .03em;
  box-shadow: 0 2px 8px rgba(245,158,11,.3);
  z-index: 2;
  animation: tb-pulse-badge 2s ease-in-out infinite;
}
.tb-tooltip {
  display: none;
  position: absolute;
  bottom: calc(100% + .5rem);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  width: min(220px, 85vw);
  padding: .75rem 1rem;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: .8rem;
  line-height: 1.5;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  z-index: 40;
  pointer-events: none;
}
.tb-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--ink);
}
.tb-tool-card-enhanced:hover .tb-tooltip,
.tb-tool-card-enhanced:focus .tb-tooltip {
  display: block;
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
#tb-load-more-tools {
  min-height: 48px;
  min-width: 200px;
}
#tb-hidden-tools[hidden] {
  display: none;
}
#tb-hidden-tools:not([hidden]) {
  display: contents;
}
.tb-deep-dive-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.tb-deep-dive-card:hover {
  border-color: var(--amber);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.tb-deep-dive-card__thumb {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  flex-shrink: 0;
}
.tb-deep-dive-card__body {
  padding: 1.5rem;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
}
.tb-deep-dive-card__tag {
  display: inline-block;
  padding: .25rem .6rem;
  border-radius: var(--radius-full);
  background: var(--moss-light);
  border: 1px solid var(--border);
  font-size: .7rem;
  font-weight: 600;
  color: var(--moss);
  text-transform: uppercase;
  letter-spacing: .03em;
  margin-bottom: .5rem;
  align-self: flex-start;
}
.tb-deep-dive-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 .5rem;
  color: var(--ink);
  flex-shrink: 0;
}
.tb-deep-dive-card p {
  color: var(--slate);
  font-size: .9rem;
  margin: 0 0 1rem;
  line-height: 1.6;
  flex: 1 1 auto;
}
.tb-deep-dive-card .tb-link {
  font-weight: 600;
  font-size: .9rem;
  align-self: flex-start;
}
.tb-blog-card {
  position: relative;
  overflow: hidden;
}
.tb-blog-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--amber), var(--amber-dark));
  transform: scaleX(0);
  transition: transform var(--transition);
}
.tb-blog-card:hover::before { transform: scaleX(1); }
.tb-blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(99,102,241,.12);
}
.tb-blog-card__arrow {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-weight: 600;
  font-size: .9rem;
  transition: gap var(--transition);
}
.tb-blog-card:hover .tb-blog-card__arrow { gap: .6rem; }
.ttb-howto {
  max-width: 900px;
  margin: 2.5rem auto 0;
  padding: 0 clamp(1rem, 4vw, 2rem);
}
.tb-howto__header {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.5rem;
}
.tb-howto__icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--amber), var(--amber-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.tb-howto__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin: 0;
  color: var(--ink);
}
.tb-howto ol {
  padding-left: 1.25rem;
  line-height: 1.8;
  color: var(--slate);
  counter-reset: step;
  list-style: none;
}
.tb-howto ol li {
  margin-bottom: .75rem;
  position: relative;
  padding-left: 2.5rem;
  counter-increment: step;
}
.tb-howto ol li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: .1rem;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--amber), var(--amber-dark));
  color: #fff;
  font-family: var(--font-display);
  font-size: .85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.tb-howto ol li strong { color: var(--ink); }
.tb-related-tools {
  max-width: 1100px;
  margin: 2.5rem auto 0;
  padding: 0 clamp(1rem, 4vw, 2rem);
}
.tb-related-tools__header {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: 1.25rem;
}
.tb-related-tools__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin: 0;
  color: var(--ink);
}
.tb-related-tools__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: clamp(.75rem, 2vw, 1.25rem);
}
.tb-related-tools__card {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1rem 1.25rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.tb-related-tools__card:hover {
  border-color: var(--amber);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.tb-related-tools__icon { font-size: 1.5rem; flex-shrink: 0; }
.tb-related-tools__name {
  font-weight: 600;
  font-size: .9rem;
  color: var(--ink);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tb-related-tools__cat {
  font-size: .7rem;
  color: var(--moss);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .03em;
  flex-shrink: 0;
}
.tb-analysis-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  margin-top: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.tb-analysis-card:hover {
  border-color: var(--amber);
  box-shadow: var(--shadow-md);
}
.tb-analysis-card__header {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin: 0 0 1rem;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-shrink: 0;
}
.tb-analysis-card__header svg {
  width: 1.4rem;
  height: 1.4rem;
  color: var(--amber-dark);
  flex-shrink: 0;
}
.tb-analysis-card__body {
  flex: 1 1 auto;
}
.tb-timeline--enhanced .tb-timeline__icon {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 1.5rem;
  opacity: 0.7;
  pointer-events: none;
}
.tb-testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}
.tb-testimonial-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.tb-testimonial-card:hover {
  border-color: var(--amber);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.tb-testimonial-card__header {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.tb-testimonial-card__avatar {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: .9rem;
  flex-shrink: 0;
}
.tb-testimonial-card__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .95rem;
  color: var(--ink);
  margin: 0;
}
.tb-testimonial-card__role {
  font-size: .8rem;
  color: var(--moss);
  font-weight: 500;
}
.tb-testimonial-card__body {
  flex: 1;
}
.tb-testimonial-card__body p {
  color: var(--slate);
  font-size: var(--text-base);
  line-height: 1.65;
  margin: 0;
  font-style: italic;
}
.tb-testimonial-card__tools {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: auto;
  padding-top: .75rem;
  border-top: 1px solid var(--border);
}
.tb-testimonial-card__tools a {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .35rem .75rem;
  background: var(--moss-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  text-decoration: none;
  color: var(--ink);
  font-size: .8rem;
  font-weight: 500;
  transition: all var(--transition);
}
.tb-testimonial-card__tools a:hover {
  border-color: var(--amber);
  color: var(--amber-dark);
  background: var(--white);
}
.tb-use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.tb-use-case-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-decoration: none;
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.tb-use-case-card:hover {
  border-color: var(--amber);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.tb-use-case-card__icon {
  font-size: 2rem;
  flex-shrink: 0;
}
.tb-use-case-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0;
  color: var(--ink);
}
.tb-use-case-card p {
  color: var(--slate);
  font-size: var(--text-base);
  line-height: 1.6;
  margin: 0;
  flex: 1;
}
.tb-use-case-card .tb-link {
  font-weight: 600;
  font-size: .9rem;
  color: var(--amber-dark);
  text-decoration: none;
  transition: gap var(--transition);
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
.tb-use-case-card:hover .tb-link { gap: .6rem; }
.tb-category-descriptions {
  max-width: 800px;
  margin: 0 auto 1.5rem;
  padding: 0 1rem;
}
.tb-cat-desc {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.tb-cat-desc p {
  margin: 0;
  font-size: var(--text-base);
  color: var(--slate);
  line-height: 1.6;
}
.tb-cat-desc strong {
  color: var(--ink);
}
.tb-recently-badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .25rem .65rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--success), var(--success));
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .03em;
  box-shadow: 0 2px 6px rgba(16,185,129,.25);
  animation: tb-pulse-badge-green 2s ease-in-out infinite;
  margin-bottom: .5rem;
}
.tb-site-header__search-toggle {
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  color: var(--ink);
  cursor: pointer;
  padding: .5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  min-height: 44px;
  min-width: 44px;
}
.tb-site-header__search-toggle:hover {
  border-color: var(--border);
  background: var(--moss-light);
}
.tb-site-header__search-dropdown {
  position: absolute;
  top: 100%;
  right: 1rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: .75rem;
  box-shadow: var(--shadow-md);
  z-index: 100;
  min-width: 280px;
  margin-top: .5rem;
}
.tb-site-header__search-dropdown form {
  display: flex;
  gap: .5rem;
}
.tb-site-header__search-dropdown input {
  flex: 1;
  padding: .6rem .85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: .9rem;
}
.tb-site-header__search-dropdown input:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 2px rgba(99,102,241,.15);
}
.tb-site-footer__proof {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}
.tb-site-footer__proof-item {
  text-align: center;
}
.tb-site-footer__proof-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--amber-dark);
  line-height: 1;
  margin-bottom: .25rem;
}
.tb-site-footer__proof-label {
  font-size: .75rem;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: .03em;
  font-weight: 500;
}
.tb-site-footer__cats {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.25rem;
  justify-content: center;
  padding: .75rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}
.tb-site-footer__cats a {
  color: var(--slate);
  text-decoration: none;
  font-size: .85rem;
  font-weight: 500;
  transition: color var(--transition);
}
.tb-site-footer__cats a:hover {
  color: var(--amber-dark);
  text-decoration: underline;
}
.tb-site-footer__newsletter {
  max-width: 480px;
  margin: 0 auto 1.5rem;
  text-align: center;
}
.tb-site-footer__newsletter-title {
  font-size: .9rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 .75rem;
}
.tb-newsletter-form {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}
.tb-newsletter-form input {
  flex: 1;
  min-width: 200px;
  padding: .6rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font: inherit;
  font-size: .9rem;
  background: var(--white);
  color: var(--ink);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.tb-newsletter-form input:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 2px rgba(99,102,241,.15);
}
.tb-newsletter-error {
  width: 100%;
  font-size: .8rem;
  color: var(--danger);
  text-align: left;
  margin-top: .35rem;
}
.tb-site-footer__social {
  display: flex;
  justify-content: center;
  gap: .75rem;
  margin-bottom: 1rem;
}
.tb-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  color: var(--slate);
  text-decoration: none;
  transition: all var(--transition);
}
.tb-social-link:hover {
  border-color: var(--amber);
  color: var(--amber-dark);
  background: var(--moss-light);
}
.tb-site-footer__back-to-top {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .5rem 1rem;
  margin: 1rem auto 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--slate);
  text-decoration: none;
  font-size: .85rem;
  font-weight: 500;
  transition: all var(--transition);
}
.tb-site-footer__back-to-top:hover {
  border-color: var(--amber);
  color: var(--amber-dark);
  background: var(--moss-light);
}
.tb-filter-controls {
  display: flex;
  align-items: center;
  gap: .5rem;
}
.tb-filter-controls select {
  padding: .6rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--white);
  color: var(--ink);
  font: inherit;
  font-size: .85rem;
  cursor: pointer;
  min-height: 44px;
  transition: border-color var(--transition);
}
.tb-filter-controls select:focus {
  outline: none;
  border-color: var(--amber);
}
.tb-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(99,102,241,.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(245,158,11,.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(16,185,129,.05) 0%, transparent 50%);
  animation: tb-hero-gradient-shift 12s ease-in-out infinite alternate;
}
.tb-hero-badge {
  animation: tb-fade-in-up .6s ease-out;
  animation-fill-mode: both;
}
.tool-hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1rem;
}
.tb-badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .3rem .7rem;
  border-radius: var(--radius-full);
  font-size: .78rem;
  font-weight: 600;
  border: 1px solid;
  line-height: 1.4;
}
.tb-badge-primary { background: var(--primary-50, #eff6ff); color: var(--primary-700, #1d4ed8); border-color: var(--primary-200, #bfdbfe); }
.tb-badge-success { background: var(--success-50, #ecfdf5); color: var(--success-700, #047857); border-color: var(--success-200, #a7f3d0); }
.tb-badge-warning { background: var(--warning-50, #fffbeb); color: var(--warning-700, #b45309); border-color: var(--warning-200, #fde68a); }
.tb-badge-neutral { background: var(--secondary, #f1f5f9); color: var(--ink, #0f172a); border-color: var(--border, #e2e8f0); }
.tb-badge-danger { background: var(--danger-50, #fef2f2); color: var(--danger-700, #b91c1c); border-color: var(--danger-200, #fecaca); }
.tb-badge-xs { padding: .15rem .45rem; font-size: .7rem; }
.tb-section__header {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto 2rem;
  padding: 0 1rem;
}
.tb-section__subtitle {
  color: var(--slate, #64748b);
  font-size: 1.05rem;
  margin-top: .5rem;
}
.tb-howto-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}
.tb-howto-step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--white, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: var(--radius-lg, 16px);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm, 0 1px 2px rgba(0,0,0,.05));
  transition: transform var(--transition, .2s), box-shadow var(--transition, .2s);
}
.tb-howto-step:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md, 0 4px 12px rgba(0,0,0,.08));
}
.tb-howto-step__number {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full, 999px);
  background: linear-gradient(135deg, var(--amber, #f59e0b), var(--amber-dark, #d97706));
  color: #fff;
  font-family: var(--font-display, inherit);
  font-weight: 700;
  font-size: .9rem;
}
.tb-howto-step__content h3 {
  margin: 0 0 .35rem;
  font-family: var(--font-display, inherit);
  font-size: 1.05rem;
  color: var(--ink, #0f172a);
}
.tb-howto-step__content p {
  margin: 0;
  color: var(--slate, #64748b);
  font-size: var(--text-base, .95rem);
  line-height: 1.65;
}
.tb-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}
.tb-feature-card__title {
  margin: 0 0 .5rem;
  font-family: var(--font-display, inherit);
  font-size: 1.05rem;
  color: var(--ink, #0f172a);
}
.tb-feature-card__desc {
  margin: 0;
  color: var(--slate, #64748b);
  font-size: var(--text-base, .95rem);
  line-height: 1.65;
}
.tb-use-cases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}
.tb-use-case {
  background: var(--white, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-left: 4px solid var(--amber, #f59e0b);
  border-radius: var(--radius-lg, 16px);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm, 0 1px 2px rgba(0,0,0,.05));
}
.tb-use-case__title {
  margin: 0 0 .5rem;
  font-family: var(--font-display, inherit);
  font-size: 1.05rem;
  color: var(--ink, #0f172a);
}
.tb-use-case__desc {
  margin: 0 0 1rem;
  color: var(--slate, #64748b);
  font-size: var(--text-base, .95rem);
  line-height: 1.65;
}
.tb-best-practices {
  display: grid;
  gap: 1rem;
}
.tb-best-practice {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--white, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: var(--radius-lg, 16px);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm, 0 1px 2px rgba(0,0,0,.05));
}
.tb-best-practice__icon {
  flex-shrink: 0;
  font-size: 1.4rem;
}
.tb-best-practice__title {
  margin: 0 0 .35rem;
  font-family: var(--font-display, inherit);
  font-size: 1rem;
  color: var(--ink, #0f172a);
}
.tb-best-practice__desc {
  margin: 0;
  color: var(--slate, #64748b);
  font-size: var(--text-base, .95rem);
  line-height: 1.65;
}
.tb-trust-signals {
  background: linear-gradient(135deg, var(--primary-50, #eff6ff), var(--secondary, #f1f5f9));
  border-top: 1px solid var(--border, #e2e8f0);
  border-bottom: 1px solid var(--border, #e2e8f0);
}
.tb-trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
  max-width: 50rem;
  margin: 0 auto 1rem;
}
.tb-trust-value {
  font-family: var(--font-display, inherit);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--ink, #0f172a);
  line-height: 1.1;
}
.tb-trust-label {
  color: var(--slate, #64748b);
  font-size: .9rem;
  margin-top: .3rem;
}
.tb-trust-note {
  max-width: 34rem;
  margin: 0 auto;
  color: var(--slate, #64748b);
  font-size: .9rem;
}
.tb-comparison-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg, 16px);
  border: 1px solid var(--border, #e2e8f0);
  background: var(--white, #fff);
  box-shadow: var(--shadow-sm, 0 1px 2px rgba(0,0,0,.05));
}
.tb-comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-base, .95rem);
}
.tb-comparison-table caption {
  position: absolute;
  left: -9999px;
  top: -9999px;
}
.tb-comparison-table th,
.tb-comparison-table td {
  padding: .85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border, #e2e8f0);
}
.tb-comparison-table thead th {
  background: var(--secondary, #f1f5f9);
  font-family: var(--font-display, inherit);
  font-weight: 600;
  color: var(--ink, #0f172a);
}
.tb-comparison-table tbody tr:last-child td { border-bottom: none; }
.tb-comparison-table tbody tr:hover { background: var(--secondary, #f8fafc); }
.tb-icon-check { color: var(--success); font-weight: 700; }
.tb-icon-cross { color: var(--danger); font-weight: 700; }
.tb-icon-partial { color: var(--warning); font-weight: 700; }
.tb-tool-wrapper {
  position: relative;
}
.tb-tool-placeholder { padding: 2rem; }
.tb-skeleton {
  background: linear-gradient(90deg, var(--secondary, #f1f5f9) 25%, var(--white, #fff) 50%, var(--secondary, #f1f5f9) 75%);
  background-size: 200% 100%;
  animation: tb-skeleton-shimmer 1.4s infinite;
  border-radius: var(--radius-md, 12px);
}
.tb-skeleton-card { height: 160px; }
.tb-skeleton-text { height: 14px; margin-bottom: .75rem; }
.tb-history-item {
  border: 1px solid var(--border, #e2e8f0);
  border-radius: var(--radius-md, 12px);
  transition: border-color var(--transition, .2s);
}
.tb-history-item:hover { border-color: var(--amber, #f59e0b); }
.tb-goal-item { transition: border-color var(--transition, .2s); }
.tb-progress {
  height: .5rem;
  background: var(--secondary, #f1f5f9);
  border-radius: var(--radius-full, 999px);
  overflow: hidden;
}
.tb-progress-bar {
    height: 4px;
    border-radius: 0 999px 999px 0;
    transition: width .3s ease;
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    background: linear-gradient(90deg, var(--amber, #f59e0b), var(--amber-dark, #d97706));
    z-index: 1000;
}
/* Legacy nested fill (inside .tb-progress tracks) keeps full track height */
.tb-progress .tb-progress-bar {
    position: static;
    height: 100%;
}
.tb-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, .5);
  z-index: 900;
  animation: tb-fade-in .2s ease;
}
.tb-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 901;
  width: min(90vw, 560px);
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  background: var(--white, #fff);
  border-radius: var(--radius-lg, 16px);
  box-shadow: var(--shadow-lg, 0 20px 50px rgba(0,0,0,.2));
  animation: tb-fade-in-up .25s ease;
}
.tb-toast {
  background: var(--ink, #0f172a);
  color: #fff;
  padding: .7rem 1.1rem;
  border-radius: var(--radius-md, 12px);
  font-size: .88rem;
  font-weight: 500;
  box-shadow: var(--shadow-md, 0 4px 12px rgba(0,0,0,.15));
}
.tb-toast-success { background: var(--success); }
.tb-toast-error { background: var(--danger); }
.tb-toast-warning { background: var(--warning); }
/* Utility: must override any display value to hide elements */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-primary { color: var(--ink); }
.text-secondary { color: var(--slate); }
.text-tertiary { color: var(--moss); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-amber { color: var(--amber-dark); }
.text-base { font-size: 1rem; }
.text-sm { font-size: .88rem; }
.text-lg { font-size: 1.15rem; }
.text-2xl { font-size: 1.5rem; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.mb-1 { margin-bottom: .25rem; }
.mb-2 { margin-bottom: .5rem; }
.mb-3 { margin-bottom: .75rem; }
.mb-4 { margin-bottom: 1rem; }
.mt-3 { margin-top: .75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.p-3 { padding: .75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.py-8 { padding: 2rem 0; }
.gap-1 { gap: .25rem; }
.gap-2 { gap: .5rem; }
.gap-3 { gap: .75rem; }
.gap-4 { gap: 1rem; }
.flex { display: flex; align-items: center; }
.flex-1 { flex: 1; }
.min-w-0 { min-width: 0; }
.flex-shrink-0 {
    flex-shrink: 0;
}
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.items-center { align-items: center; }
.max-w-2xl { max-width: 42rem; margin-left: auto; margin-right: auto; }
.grid { display: grid; }
.grid-cols-1 {
    grid-template-columns: 1fr;
}
.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}
.md\:grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}
.grid-fit { grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
.space-y-2 > * + * { margin-top: .5rem; }
.space-y-3 > * + * { margin-top: .75rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 1rem; }
.tb-hero__illustration {
  position: relative;
  max-width: 460px;
  margin: 2rem auto 0;
}
.tb-hero__device {
  background: var(--white, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 1.25rem;
  padding: .75rem 2rem 2rem;
  box-shadow: var(--shadow-lg, 0 20px 50px rgba(0,0,0,.12));
  position: relative;
}
.tb-hero__device::after {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 70px;
  height: 4px;
  border-radius: 4px;
  background: var(--border, #e2e8f0);
}
.tb-hero__device-screen {
  background: var(--secondary, #f8fafc);
  border-radius: var(--radius-md, 12px);
  overflow: hidden;
}
.tb-hero__device-header {
  display: flex;
  align-items: center;
  padding: .6rem 1rem;
  background: var(--white, #fff);
  border-bottom: 1px solid var(--border, #e2e8f0);
}
.tb-hero__device-dots { display: flex; gap: .3rem; }
.tb-hero__device-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border, #e2e8f0);
}
.tb-hero__device-dots span:first-child { background: #f87171; }
.tb-hero__device-dots span:nth-child(2) { background: #fbbf24; }
.tb-hero__device-dots span:last-child { background: #34d399; }
.tb-hero__device-content { padding: 1rem; }
.tb-hero__demo-tool {
  background: var(--white, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: var(--radius-md, 12px);
  padding: 1rem;
  font-size: .8rem;
  color: var(--slate, #64748b);
}
.tb-hero__demo-input {
  min-height: 90px;
  line-height: 1.5;
  border-bottom: 1px dashed var(--border, #e2e8f0);
  padding-bottom: .75rem;
}
.tb-hero__demo-stats {
  display: flex;
  justify-content: space-between;
  padding-top: .75rem;
}
.tb-hero__demo-stats strong { color: var(--amber-dark, #d97706); }
.tb-categories {
  max-width: 1100px;
  margin: 2rem auto 0;
  padding: 0 1rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.tb-categories::-webkit-scrollbar { display: none; }
.tb-categories__list {
  display: flex;
  gap: .5rem;
  justify-content: center;
  min-width: max-content;
}
.tb-category-btn {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .55rem 1rem;
  border-radius: var(--radius-full, 999px);
  background: var(--white, #fff);
  border: 1px solid var(--border, #e2e8f0);
  color: var(--ink, #0f172a);
  font: inherit;
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  min-height: 44px;
  transition: all var(--transition, .2s);
  white-space: nowrap;
}
.tb-category-btn:hover { border-color: var(--amber, #f59e0b); color: var(--amber-dark, #d97706); }
.tb-category-btn.active {
  background: var(--amber, #f59e0b);
  border-color: var(--amber, #f59e0b);
  color: #fff;
  box-shadow: 0 4px 12px rgba(245, 158, 11, .3);
}
.tb-testimonial {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.tb-testimonial__stars { color: var(--amber, #f59e0b); letter-spacing: .1em; margin-bottom: .6rem; }
.tb-testimonial__text {
  flex: 1;
  color: var(--ink, #0f172a);
  line-height: 1.65;
  font-size: var(--text-base, .95rem);
  margin: 0 0 1rem;
}
.tb-testimonial__author {
  display: flex;
  align-items: center;
  gap: .75rem;
  border-top: 1px solid var(--border, #e2e8f0);
  padding-top: .9rem;
}
.tb-testimonial__avatar {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--amber, #f59e0b), var(--amber-dark, #d97706));
  color: #fff;
  font-weight: 700;
  font-size: .85rem;
}
.tb-testimonial__name { font-style: normal; font-weight: 600; color: var(--ink, #0f172a); font-size: .9rem; }
.tb-testimonial__role { margin: .1rem 0 0; color: var(--slate, #64748b); font-size: .78rem; }
.tb-newsletter-section, .tb-cta-section {
  background: linear-gradient(135deg, var(--primary-50, #eff6ff), var(--white, #fff));
  border-top: 1px solid var(--border, #e2e8f0);
  border-bottom: 1px solid var(--border, #e2e8f0);
}
.tb-newsletter-form-lg {
  display: flex;
  gap: .5rem;
  max-width: 30rem;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}
.tb-form-hint { color: var(--slate, #64748b); font-size: .8rem; }
.tb-form-hint a { color: var(--amber-dark, #d97706); }
.tb-comparison-toggle { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.tb-comparison-panel {
  width: 100%;
  border: 1px solid var(--border, #e2e8f0);
  border-radius: var(--radius-lg, 16px);
  background: var(--secondary, #f8fafc);
  padding: 1rem;
  margin-top: .5rem;
}
.tb-comparison-panel-item { box-shadow: var(--shadow-sm, 0 1px 2px rgba(0,0,0,.05)); }
.tb-comparison-panel-item textarea { font-family: var(--font-mono, monospace); }
.tb-comparison-output-content { font-size: .85rem; white-space: pre-wrap; word-break: break-word; }
.mx-auto { margin-left: auto; margin-right: auto; }
.w-20 { width: 5rem; }
.w-24 { width: 6rem; }
.h-24 { height: 6rem; }
.resize-y { resize: vertical; }
.animate-pulse { animation: tb-pulse 1.6s ease-in-out infinite; }
.overflow-y-auto { overflow-y: auto; }
.tb-btn-primary { background: linear-gradient(135deg, var(--amber), var(--amber-dark)); color: #fff; box-shadow: 0 2px 0 rgba(79,70,229,.35), var(--shadow-sm); }
.tb-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 4px 0 rgba(79,70,229,.35), var(--shadow-md); }
.tb-btn-secondary { background: var(--white); color: var(--ink); border: 1px solid var(--border); }
.tb-btn-secondary:hover { border-color: var(--amber); color: var(--amber-dark); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.tb-btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--border); }
.tb-btn-ghost:hover { background: var(--white); border-color: var(--slate); }
.tb-btn-sm { padding: .45rem 1rem; min-height: 40px; font-size: .85rem; }
.tb-btn-lg { padding: .9rem 2rem; min-height: 54px; font-size: 1.05rem; }
@media (max-width: 900px) {
.tb-quick-access.has-scroll-left::before,
  .tb-quick-access.has-scroll-right::after { opacity: 1; }
}
@media (max-width: 640px) {
.tb-quick-access__item { padding: .45rem .85rem; font-size: .8rem; }
}
@media (max-width: 768px) {
.tb-timeline { grid-template-columns: 1fr; gap: 2rem; }
.tb-timeline::before { display: none; }
}
@keyframes tb-pulse-badge-green {
0%, 100% { box-shadow: 0 2px 8px rgba(16,185,129,.25); }
50% { box-shadow: 0 2px 16px rgba(16,185,129,.45); }
}
@media (prefers-reduced-motion: reduce) {
.tb-new-card:hover .tb-new-card__desc { animation: none; }
}
@media (max-width: 640px) {
.cat-preview {
    left: auto;
    right: 0;
    bottom: calc(100% + .5rem);
    transform: translateY(8px);
    width: min(260px, 85vw);
  }
.cat-card-enhanced:hover .cat-preview,
  .cat-card-enhanced:focus .cat-preview {
    transform: translateY(0);
  }
.cat-preview::after {
    left: auto;
    right: 1rem;
    transform: none;
  }
}
@media (min-width: 640px) {
.tb-hscroll-row { flex-wrap: wrap; overflow-x: visible; }
.tb-hscroll-row > * { flex: 1 1 auto; }
}
@supports (padding-bottom: env(safe-area-inset-bottom)) {
.tb-scroll-top {
    bottom: calc(1.5rem + env(safe-area-inset-bottom));
    right: calc(1.5rem + env(safe-area-inset-bottom));
  }
.tb-cookie-consent {
    padding-bottom: calc(16px + env(safe-area-inset-bottom));
  }
}
@media (prefers-contrast: more) {
.tb-tool-card-enhanced,
  .cat-card-enhanced,
  .tb-feature-card,
  .tb-new-card,
  .tb-trending-card {
    border-width: 2px;
  }
.btn--primary { border: 2px solid #000; }
}
@media (prefers-reduced-motion: reduce) {
.tb-animate-stagger > * {
    animation: none;
    opacity: 1;
  }
.tb-timeline__step,
  .cat-card-enhanced,
  .tb-tool-card-enhanced,
  .tb-new-card,
  .tb-trending-card,
  .tb-feature-card {
    transition: none;
  }
.tb-trending-enhanced__dot { animation: none; }
}
.card-grid,
.tb-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: 1.5rem;
}
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 1.25rem;
}
@media (max-width: 639px) {
.tb-card-grid,
  .card-grid,
  .tb-toolkit__list {
    grid-template-columns: 1fr;
  }
.cat-grid {
    grid-template-columns: 1fr;
  }
.tb-stat-row {
    flex-direction: column;
    gap: 1rem;
  }
.tb-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
.tb-new-noteworthy__grid {
    grid-template-columns: 1fr;
  }
.tb-trending-enhanced__list {
    grid-template-columns: 1fr;
  }
.tb-feature-grid {
    grid-template-columns: 1fr;
  }
.tb-filter-tabs { gap: .4rem; }
.tb-filter-tab { padding: .5rem .85rem; font-size: .8rem; }
}
@media print {
.tb-site-header, .tb-site-footer, .tb-cookie-consent, .tb-scroll-top, .tb-ad-container { display: none; }
.hero { padding: 1rem 0; }
.card-grid, .tb-card-grid { grid-template-columns: repeat(2, 1fr); }
}
@keyframes tb-pulse-badge {
0%, 100% { box-shadow: 0 2px 8px rgba(245,158,11,.3); }
50% { box-shadow: 0 2px 16px rgba(245,158,11,.5); }
}
@media (max-width: 640px) {
.tb-tooltip {
    left: auto;
    right: 0;
    transform: translateY(4px);
    width: min(200px, 80vw);
  }
.tb-tool-card-enhanced:hover .tb-tooltip,
  .tb-tool-card-enhanced:focus .tb-tooltip {
    transform: translateY(0);
  }
.tb-tooltip::after {
    left: auto;
    right: 1rem;
    transform: none;
  }
}
@media (max-width: 480px) {
.tb-deep-dive-card__thumb { height: 160px; }
}
@media (max-width: 480px) {
.tb-howto ol li { padding-left: 2rem; }
.tb-howto ol li::before { width: 1.5rem; height: 1.5rem; font-size: .75rem; }
}
@media (max-width: 480px) {
.tb-related-tools__grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
.tb-analysis-card {
    padding: 1rem;
    margin-top: 1rem;
  }
.tb-analysis-card__header {
    font-size: var(--text-base);
  }
}
@media (max-width: 480px) {
.tb-testimonial-card__avatar { width: 2.5rem; height: 2.5rem; font-size: .8rem; }
}
@media (max-width: 480px) {
.tb-site-footer__proof { gap: 1.25rem; }
.tb-site-footer__proof-value { font-size: 1.25rem; }
}
@media (max-width: 640px) {
.tb-filter-controls { width: 100%; }
.tb-filter-controls select { flex: 1; }
}
@keyframes tb-hero-gradient-shift {
0% { opacity: 1; }
50% { opacity: .7; }
100% { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
.tb-hero-bg { animation: none; }
}
@keyframes tb-skeleton-shimmer {
0% { background-position: 200% 0; }
100% { background-position: -200% 0; }
}
@media (prefers-reduced-motion: reduce) {
.tb-howto-step, .tb-feature-card, .tb-category-btn,
  .tb-skeleton, .tb-hero-badge, .tb-progress-bar { animation: none; transition: none; }
.tb-hero__device::after { animation: none; }
}
@keyframes tb-pulse {
0%, 100% { opacity: 1; }
50% { opacity: .55; }
}