/* ═══════════════════════════════════════════════════════════
   TOOLKIT — pages/home.css
   Hero · Search · Hub Grid · Section Shared
   ═══════════════════════════════════════════════════════════ */

/* ── Section Styles ───────────────────────────────────────── */
.section {
  padding: 6rem 0;
  position: relative;
  z-index: 1;
}

.section:nth-child(even) {
  background: linear-gradient(180deg, transparent 0%, rgba(124,58,237,0.03) 50%, transparent 100%);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-tag {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  background: var(--purple-dim);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #a78bfa;
  margin-bottom: 0.9rem;
}

.section-title {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.65rem;
  color: var(--text-primary);
}

.section-desc {
  font-size: 0.97rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── Hero Section ─────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-h) + 3rem) 1.5rem 4rem;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 40%, rgba(124,58,237,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner { max-width: 820px; width: 100%; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 1.1rem;
  background: rgba(0,212,255,0.07);
  border: 1px solid rgba(0,212,255,0.22);
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.8rem;
}

.badge-dot {
  width: 7px; height: 7px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan);
  animation: blinkDot 2s ease-in-out infinite;
}

@keyframes blinkDot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

.hero-title {
  font-size: clamp(2.6rem, 6vw, 5.2rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 2.4rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.br-hide { display: block; }

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  padding: 1.6rem 2.5rem;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
}

.stat { text-align: center; }

.stat-num {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.2rem;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}

.stat-divider {
  width: 1px; height: 44px;
  background: linear-gradient(to bottom, transparent, var(--border), transparent);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-line {
  width: 1px; height: 44px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  margin: 0 auto;
  animation: scrollBob 2.4s ease-in-out infinite;
}

@keyframes scrollBob {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50%       { opacity: 0.3; transform: scaleY(0.6); }
}

/* ── Search Bar ───────────────────────────────────────────── */
.hub-search-wrap {
  max-width: 500px;
  margin: 1.5rem auto 0;
  position: relative;
}

.hub-search {
  width: 100%;
  padding: 0.7rem 1rem 0.7rem 2.75rem;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.hub-search::placeholder { color: var(--text-muted); }

.hub-search:focus {
  border-color: rgba(0,212,255,0.4);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}

.hub-search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.hub-no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ── Hub Section ──────────────────────────────────────────── */
.hub-section { padding: 4rem 0 7rem; }

.hub-section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.hub-title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  margin-bottom: .5rem;
}

.hub-subtitle {
  color: var(--text-muted);
  font-size: .95rem;
}

/* Category filter tabs */
.hub-filter {
  max-width: 100%;
  margin-top: 1.4rem;
  overflow-x: auto;
  padding: 0.1rem 0 0.4rem;
  scrollbar-width: thin;
}

.hub-filter-track {
  display: flex;
  gap: .4rem;
  margin-inline: auto;
  width: max-content;
}

.hub-filter-btn {
  flex: 0 0 auto;
  padding: .35rem .78rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: .76rem;
  font-family: var(--font-ui);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.hub-filter::-webkit-scrollbar {
  height: 0.4rem;
}

.hub-filter::-webkit-scrollbar-track {
  background: transparent;
}

.hub-filter::-webkit-scrollbar-thumb {
  background: var(--border-hover);
  border-radius: var(--radius-full);
}

.hub-filter-btn:hover,
.hub-filter-btn.active {
  background: rgba(0,212,255,.1);
  border-color: rgba(0,212,255,.5);
  color: var(--cyan);
}

.hub-filter-btn:focus-visible {
  box-shadow: 0 0 0 4px var(--cyan-glow);
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* Tool card grid */
.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
  gap: 1.15rem;
}

.hub-card {
  display: flex;
  flex-direction: column;
  gap: .85rem;
  padding: 1.3rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  text-decoration: none;
  color: inherit;
  transition: border-color 200ms ease, transform 200ms ease, box-shadow 200ms ease;
  position: relative;
  overflow: hidden;
}

.hub-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,212,255,.05), transparent 60%);
  opacity: 0;
  transition: opacity 200ms ease;
}

.hub-card:hover {
  border-color: rgba(0,212,255,.4);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,212,255,.07);
}

.hub-card:hover::before { opacity: 1; }
.hub-card[hidden] { display: none; }

.hub-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .6rem;
}

.hub-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  border-radius: 11px;
  background: rgba(0,212,255,.08);
  border: 1px solid rgba(0,212,255,.15);
  color: var(--cyan);
  flex-shrink: 0;
}

.hub-card-cat {
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .22rem .55rem;
  border-radius: 4px;
  background: rgba(124,58,237,.12);
  border: 1px solid rgba(124,58,237,.2);
  color: #a78bfa;
  white-space: nowrap;
}

.hub-card-title {
  font-size: .97rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.hub-card-desc {
  font-size: .82rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
}

.hub-card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  color: var(--text-muted);
  font-size: .78rem;
  font-weight: 500;
  gap: .3rem;
  transition: color 200ms ease, gap 200ms ease;
}

.hub-card:hover .hub-card-footer {
  color: var(--cyan);
  gap: .5rem;
}

/* New badge for recently added tools */
.hub-card-new {
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .18rem .5rem;
  border-radius: 4px;
  background: rgba(16,217,126,.12);
  border: 1px solid rgba(16,217,126,.25);
  color: var(--green);
  white-space: nowrap;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero-stats { gap: 1.2rem; padding: 1.2rem 1.5rem; flex-wrap: wrap; }
  .br-hide { display: none; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 220px; }
  .hub-filter-track { margin-inline: 0; }
}

@media (max-width: 600px) {
  .hub-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .section { padding: 4rem 0; }
  .hero-title { font-size: 2.2rem; }
  .section-title { font-size: 1.6rem; }
  .hero-stats { justify-content: space-around; }
}

@media (max-width: 360px) {
  .hub-grid { grid-template-columns: 1fr; }
}