/* ============================================================
   AIToolsHub — Complete Design System
   Dark theme, glassmorphism, modern SaaS aesthetic
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── CSS Variables ── */
:root {
  --primary: #6C63FF;
  --primary-light: #8B5CF6;
  --primary-dark: #5A51E5;
  --secondary: #FF6584;
  --accent: #00D4FF;

  --bg-dark: #0F0F1A;
  --bg-card: #1A1A2E;
  --bg-card-hover: #1E1E35;
  --bg-sidebar: #141420;
  --bg-input: #1E1E30;
  --bg-glass: rgba(26, 26, 46, 0.8);

  --border: rgba(108, 99, 255, 0.15);
  --border-hover: rgba(108, 99, 255, 0.4);
  --border-card: rgba(255, 255, 255, 0.06);

  --text-primary: #FFFFFF;
  --text-secondary: #A0AEC0;
  --text-muted: #6B7280;
  --text-link: #6C63FF;

  --badge-free: #48BB78;
  --badge-free-bg: rgba(72, 187, 120, 0.12);
  --badge-freemium: #ECC94B;
  --badge-freemium-bg: rgba(236, 201, 75, 0.12);
  --badge-paid: #FC8181;
  --badge-paid-bg: rgba(252, 129, 129, 0.12);
  --badge-enterprise: #90CDF4;
  --badge-enterprise-bg: rgba(144, 205, 244, 0.12);

  --star-filled: #F6AD55;
  --star-empty: #4A5568;

  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 8px 40px rgba(108, 99, 255, 0.2);
  --shadow-glow: 0 0 40px rgba(108, 99, 255, 0.15);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;

  --nav-height: 68px;
  --sidebar-width: 260px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ── Selection ── */
::selection { background: rgba(108, 99, 255, 0.3); color: #fff; }

/* ────────────────────────────────────────────
   NAVIGATION
──────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(15, 15, 26, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.nav-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(108, 99, 255, 0.12);
}

.nav-search {
  flex: 1;
  max-width: 360px;
  position: relative;
}

.nav-search input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.875rem;
  padding: 9px 16px 9px 40px;
  transition: var(--transition);
  outline: none;
}

.nav-search input::placeholder { color: var(--text-muted); }
.nav-search input:focus { border-color: var(--primary); background: var(--bg-card); }

.nav-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
  pointer-events: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn-nav {
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.btn-nav-outline {
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn-nav-outline:hover { border-color: var(--primary); color: var(--text-primary); }

.btn-nav-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
}
.btn-nav-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(108,99,255,0.4); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile nav dropdown */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
}
.nav-mobile.open { display: flex; }
.nav-mobile .nav-link { padding: 12px 16px; }

/* ────────────────────────────────────────────
   LAYOUT
──────────────────────────────────────────── */
.page-wrapper {
  padding-top: var(--nav-height);
  min-height: 100vh;
}

.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ────────────────────────────────────────────
   HERO
──────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 80px 0 60px;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 600px;
  background: radial-gradient(ellipse, rgba(108,99,255,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(108,99,255,0.12);
  border: 1px solid rgba(108,99,255,0.3);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary-light);
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

/* Hero Search */
.hero-search {
  max-width: 640px;
  margin: 0 auto 40px;
  position: relative;
}

.hero-search-input {
  width: 100%;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  color: var(--text-primary);
  font-size: 1.0625rem;
  padding: 18px 140px 18px 56px;
  transition: var(--transition);
  outline: none;
  box-shadow: var(--shadow-card);
}

.hero-search-input::placeholder { color: var(--text-muted); }
.hero-search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(108,99,255,0.12);
}

.hero-search-icon {
  position: absolute;
  left: 20px;
  top: 50%; transform: translateY(-50%);
  font-size: 1.2rem;
  color: var(--text-muted);
  pointer-events: none;
}

.hero-search-btn {
  position: absolute;
  right: 8px;
  top: 50%; transform: translateY(-50%);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--radius-xl);
  transition: var(--transition);
}
.hero-search-btn:hover { transform: translateY(-50%) scale(1.04); }

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 2px;
}

.hero-stat-divider {
  width: 1px;
  height: 32px;
  background: var(--border);
}

/* ────────────────────────────────────────────
   ADSENSE SLOTS
──────────────────────────────────────────── */
.ad-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 26, 46, 0.6);
  border: 1px dashed rgba(108, 99, 255, 0.2);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  overflow: hidden;
  position: relative;
}

.ad-slot-label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  white-space: nowrap;
}

.ad-slot-leaderboard { width: 100%; max-width: 728px; height: 90px; margin: 0 auto; }
.ad-slot-rectangle { width: 300px; height: 250px; }
.ad-slot-large-rect { width: 336px; height: 280px; }
.ad-slot-skyscraper { width: 160px; height: 600px; }
.ad-slot-half-page { width: 300px; height: 600px; }
.ad-slot-in-content { width: 100%; max-width: 468px; height: 60px; margin: 0 auto; }

.ad-wrapper {
  display: flex;
  justify-content: center;
  padding: 16px 0;
}

.ad-wrapper-label {
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

/* ────────────────────────────────────────────
   SECTION STYLES
──────────────────────────────────────────── */
.section {
  padding: 60px 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 32px;
  gap: 16px;
}

.section-title {
  font-size: 1.625rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.section-title span {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 4px;
}

.view-all-link {
  color: var(--primary-light);
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition-fast);
}
.view-all-link:hover { color: var(--primary); gap: 8px; }

/* ────────────────────────────────────────────
   TOOL CARDS
──────────────────────────────────────────── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.tools-grid-4 {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(108,99,255,0.05), transparent);
  opacity: 0;
  transition: var(--transition);
}

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

.tool-card:hover::before { opacity: 1; }

.tool-card-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 14px;
}

.tool-logo {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
  position: relative;
}

.tool-logo-img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: cover;
}

.tool-card-info { flex: 1; min-width: 0; }

.tool-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 2px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tool-category-badge {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary-light);
  background: rgba(108,99,255,0.12);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  display: inline-block;
}

.tool-card-badges {
  position: absolute;
  top: 16px;
  right: 16px;
  display: flex;
  gap: 6px;
}

.pricing-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.3px;
}

.badge-free { color: var(--badge-free); background: var(--badge-free-bg); }
.badge-freemium { color: var(--badge-freemium); background: var(--badge-freemium-bg); }
.badge-paid { color: var(--badge-paid); background: var(--badge-paid-bg); }
.badge-enterprise { color: var(--badge-enterprise); background: var(--badge-enterprise-bg); }

.trending-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background: rgba(236,201,75,0.12);
  color: var(--badge-freemium);
}

.tool-tagline {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tool-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.tool-rating {
  display: flex;
  align-items: center;
  gap: 6px;
}

.stars {
  display: flex;
  gap: 1px;
}

.star { font-size: 0.85rem; }
.star.filled { color: var(--star-filled); }
.star.half { color: var(--star-filled); opacity: 0.6; }
.star.empty { color: var(--star-empty); }

.rating-value {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
}

.review-count {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.tool-card-actions {
  display: flex;
  gap: 8px;
}

.btn-view {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  transition: var(--transition);
}
.btn-view:hover { transform: scale(1.04); box-shadow: 0 4px 12px rgba(108,99,255,0.35); }

.btn-compare {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: var(--transition);
}
.btn-compare:hover { border-color: var(--primary); color: var(--primary-light); }
.btn-compare.selected { border-color: var(--primary); color: var(--primary); background: rgba(108,99,255,0.1); }

/* ────────────────────────────────────────────
   CATEGORY GRID
──────────────────────────────────────────── */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 20px 16px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  display: block;
}

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

.category-icon {
  font-size: 2rem;
  margin-bottom: 8px;
  display: block;
}

.category-name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.category-count {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ────────────────────────────────────────────
   HORIZONTAL SCROLL
──────────────────────────────────────────── */
.scroll-container {
  overflow-x: auto;
  padding-bottom: 12px;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.scroll-container::-webkit-scrollbar { display: none; }

.scroll-row {
  display: flex;
  gap: 16px;
  width: max-content;
}

.scroll-row .tool-card {
  width: 280px;
  flex-shrink: 0;
}

/* ────────────────────────────────────────────
   FILTER SIDEBAR
──────────────────────────────────────────── */
.tools-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  gap: 28px;
  align-items: start;
}

.filter-sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: sticky;
  top: calc(var(--nav-height) + 24px);
}

.filter-section {
  margin-bottom: 28px;
}

.filter-section:last-child { margin-bottom: 0; }

.filter-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.filter-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.filter-option:hover { background: rgba(108,99,255,0.08); color: var(--text-primary); }
.filter-option.active { background: rgba(108,99,255,0.12); color: var(--primary-light); font-weight: 600; }

.filter-option input[type="checkbox"],
.filter-option input[type="radio"] {
  accent-color: var(--primary);
  width: 15px;
  height: 15px;
}

.filter-count {
  margin-left: auto;
  font-size: 0.72rem;
  background: rgba(108,99,255,0.1);
  color: var(--text-muted);
  padding: 2px 7px;
  border-radius: var(--radius-full);
}

/* ────────────────────────────────────────────
   SORT BAR
──────────────────────────────────────────── */
.sort-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}

.sort-bar-left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.sort-btn {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: var(--transition);
}
.sort-btn:hover { border-color: var(--primary); color: var(--text-primary); }
.sort-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.results-count {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.results-count strong { color: var(--text-primary); }

/* ────────────────────────────────────────────
   TOOL DETAIL PAGE
──────────────────────────────────────────── */
.tool-detail-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 40px 0 32px;
}

.tool-detail-header-inner {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
}

.tool-detail-logo {
  width: 88px;
  height: 88px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  flex-shrink: 0;
}

.tool-detail-meta { flex: 1; }

.tool-detail-name {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 6px;
}

.tool-detail-tagline {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.tool-detail-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tool-detail-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.tool-detail-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  transition: var(--transition);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(108,99,255,0.4); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: var(--transition);
}
.btn-secondary:hover { border-color: var(--primary); color: var(--text-primary); }

/* Tabs */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 14px 22px;
  border-bottom: 2px solid transparent;
  transition: var(--transition-fast);
  white-space: nowrap;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--primary-light); border-bottom-color: var(--primary); }

.tab-panel { display: none; padding: 32px 0; }
.tab-panel.active { display: block; }

/* Detail Layout */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 28px;
  align-items: start;
}

.detail-content { min-width: 0; }

.detail-sidebar { position: sticky; top: calc(var(--nav-height) + 24px); }

/* Features List */
.features-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
  margin-bottom: 28px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.feature-check {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: rgba(72,187,120,0.15);
  color: var(--badge-free);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
}

/* Pros/Cons */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.pros-cons-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 20px;
}

.pros-cons-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.pros-cons-title.pros { color: var(--badge-free); }
.pros-cons-title.cons { color: var(--badge-paid); }

.pros-cons-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.5;
}

.pros-cons-list li span.icon { flex-shrink: 0; }

/* Pricing Table */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
}

.pricing-card.featured {
  border-color: var(--primary);
  background: rgba(108,99,255,0.05);
  position: relative;
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 14px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.pricing-price {
  font-size: 2rem;
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-features {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.pricing-feature .check { color: var(--badge-free); }

/* ────────────────────────────────────────────
   COMPARE PAGE
──────────────────────────────────────────── */
.compare-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.compare-slot {
  background: var(--bg-card);
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  cursor: pointer;
  transition: var(--transition);
}

.compare-slot:hover { border-color: var(--primary); }
.compare-slot.filled { border-style: solid; border-color: var(--border-hover); }

.compare-slot-add {
  font-size: 2rem;
  color: var(--text-muted);
}

.compare-slot-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.compare-table {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-card);
}

.compare-row {
  display: grid;
  border-bottom: 1px solid var(--border);
}
.compare-row:last-child { border-bottom: none; }

.compare-cell {
  padding: 16px 20px;
  font-size: 0.875rem;
  border-right: 1px solid var(--border);
  display: flex;
  align-items: center;
}
.compare-cell:last-child { border-right: none; }

.compare-cell.header {
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  background: rgba(108,99,255,0.05);
}

.compare-cell.label {
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(108,99,255,0.03);
}

/* ────────────────────────────────────────────
   BLOG
──────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: block;
}

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

.blog-card-thumb {
  height: 160px;
  background: linear-gradient(135deg, rgba(108,99,255,0.2), rgba(255,101,132,0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.blog-card-body { padding: 24px; }

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.blog-card-category {
  color: var(--primary-light);
  font-weight: 600;
}

.blog-card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ────────────────────────────────────────────
   SEARCH RESULTS DROPDOWN
──────────────────────────────────────────── */
.search-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0; right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 8px;
  z-index: 200;
  box-shadow: var(--shadow-card);
  max-height: 400px;
  overflow-y: auto;
  display: none;
}

.search-dropdown.visible { display: block; }

.search-result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.search-result-item:hover { background: rgba(108,99,255,0.08); }

.search-result-icon { font-size: 1.5rem; }

.search-result-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.search-result-cat {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ────────────────────────────────────────────
   REVIEW CARDS
──────────────────────────────────────────── */
.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
}

.review-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}

.reviewer-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.reviewer-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
  flex-shrink: 0;
}

.reviewer-name { font-weight: 600; font-size: 0.9rem; }
.reviewer-date { font-size: 0.75rem; color: var(--text-muted); }

.review-text { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; }

/* ────────────────────────────────────────────
   FORMS
──────────────────────────────────────────── */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  padding: 12px 16px;
  outline: none;
  transition: var(--transition);
}

.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.12);
}

.form-select option { background: var(--bg-card); }
.form-textarea { resize: vertical; min-height: 120px; }

/* ────────────────────────────────────────────
   PAGINATION
──────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 40px 0 20px;
}

.page-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: var(--transition);
}
.page-btn:hover { border-color: var(--primary); color: var(--text-primary); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn:disabled { opacity: 0.3; pointer-events: none; }

/* ────────────────────────────────────────────
   TAGS
──────────────────────────────────────────── */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(108,99,255,0.1);
  color: var(--primary-light);
  border: 1px solid rgba(108,99,255,0.2);
  cursor: pointer;
  transition: var(--transition-fast);
}
.tag:hover { background: rgba(108,99,255,0.2); }

/* ────────────────────────────────────────────
   FOOTER
──────────────────────────────────────────── */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand { max-width: 280px; }

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.footer-logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.footer-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-socials {
  display: flex;
  gap: 10px;
}

.social-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(108,99,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: var(--transition);
}
.social-btn:hover { background: var(--primary); transform: translateY(-2px); }

.footer-col-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}
.footer-link:hover { color: var(--primary-light); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  gap: 20px;
}

.footer-legal a {
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: var(--transition-fast);
}
.footer-legal a:hover { color: var(--primary-light); }

/* ────────────────────────────────────────────
   UTILITIES
──────────────────────────────────────────── */
.text-center { text-align: center; }
.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
}

.empty-state {
  text-align: center;
  padding: 60px 24px;
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state-text {
  font-size: 1rem;
  color: var(--text-muted);
}

/* Loading skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Alert/Notice */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-info { background: rgba(108,99,255,0.1); border: 1px solid rgba(108,99,255,0.2); color: var(--primary-light); }
.alert-success { background: rgba(72,187,120,0.1); border: 1px solid rgba(72,187,120,0.2); color: var(--badge-free); }
.alert-warning { background: rgba(236,201,75,0.1); border: 1px solid rgba(236,201,75,0.2); color: var(--badge-freemium); }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary-light); }
.breadcrumb-sep { opacity: 0.4; }
.breadcrumb-current { color: var(--text-secondary); }

/* ────────────────────────────────────────────
   RESPONSIVE
──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .tools-layout {
    grid-template-columns: 1fr;
  }
  .filter-sidebar {
    position: static;
    display: none;
  }
  .filter-sidebar.mobile-open { display: block; }
  .detail-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .compare-selector { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links, .nav-search { display: none; }
  .nav-hamburger { display: flex; }
  .nav-actions .btn-nav-outline { display: none; }

  .hero { padding: 56px 0 40px; }
  .hero-stats { gap: 20px; }
  .hero-stat-divider { display: none; }

  .tools-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .blog-grid { grid-template-columns: 1fr; }
  .pros-cons { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .compare-selector { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .sort-bar { flex-direction: column; align-items: flex-start; }
  .tool-detail-header-inner { flex-direction: column; align-items: flex-start; }
  .ad-slot-leaderboard { max-width: 100%; }
  .ad-slot-skyscraper, .ad-slot-half-page { display: none; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 1.875rem; }
  .hero-search-input { padding: 14px 100px 14px 44px; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .section { padding: 40px 0; }
  .tools-grid-4 { grid-template-columns: 1fr; }
}

/* ────────────────────────────────────────────
   ANIMATIONS
──────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.fade-in-up { animation: fadeInUp 0.5s ease both; }
.fade-in { animation: fadeIn 0.3s ease both; }

/* Stagger delays */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }

/* ────────────────────────────────────────────
   PAGE SPECIFIC
──────────────────────────────────────────── */
/* Newsletter */
.newsletter-section {
  background: linear-gradient(135deg, rgba(108,99,255,0.12), rgba(255,101,132,0.08));
  border: 1px solid rgba(108,99,255,0.2);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  text-align: center;
  margin: 60px 0;
}

.newsletter-title {
  font-size: 1.625rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.newsletter-sub {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 460px;
  margin: 0 auto;
}

.newsletter-input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.9rem;
  padding: 12px 20px;
  outline: none;
  transition: var(--transition);
}
.newsletter-input:focus { border-color: var(--primary); }
.newsletter-input::placeholder { color: var(--text-muted); }

.newsletter-btn {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  transition: var(--transition);
  white-space: nowrap;
}
.newsletter-btn:hover { transform: scale(1.04); }

/* Submit Tool Page */
.submit-hero {
  text-align: center;
  padding: 60px 0 40px;
}

.submit-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 40px;
  max-width: 720px;
  margin: 0 auto;
}

/* About Page */
.about-hero {
  text-align: center;
  padding: 80px 0 60px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 40px 0;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
}

.stat-value {
  font-size: 2.25rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Blog post content */
.article-content h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 32px 0 16px;
  color: var(--text-primary);
}

.article-content h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 24px 0 12px;
  color: var(--text-primary);
}

.article-content p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.article-content ul, .article-content ol {
  margin: 0 0 16px 24px;
  list-style: disc;
}

.article-content li {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 6px;
}

.article-content strong { color: var(--text-primary); }
.article-content a { color: var(--primary-light); }
.article-content a:hover { text-decoration: underline; }

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
}

.article-content th {
  background: rgba(108,99,255,0.1);
  padding: 12px 16px;
  text-align: left;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.article-content td {
  padding: 12px 16px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: var(--shadow-card);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(80px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast-icon { font-size: 1.1rem; }

/* Compare floating bar */
.compare-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  z-index: 500;
  transform: translateY(100%);
  transition: var(--transition);
}

.compare-bar.visible { transform: translateY(0); }

.compare-bar-tools {
  display: flex;
  align-items: center;
  gap: 12px;
}

.compare-bar-tool {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(108,99,255,0.1);
  border: 1px solid rgba(108,99,255,0.2);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
}

.compare-bar-tool .remove {
  cursor: pointer;
  opacity: 0.6;
}

.compare-bar-tool .remove:hover { opacity: 1; }