:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #a5b4fc;
  --primary-glow: rgba(99,102,241,0.15);
  --accent: #10b981;
  --accent-dark: #059669;
  --bg: #f0f2f5;
  --bg-card: rgba(255,255,255,0.85);
  --bg-card-solid: #ffffff;
  --bg-glass: rgba(255,255,255,0.7);
  --text: #0f172a;
  --text-secondary: #64748b;
  --text-tertiary: #94a3b8;
  --border: rgba(226,232,240,0.8);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.03);
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.1);
  --shadow-glow: 0 0 20px var(--primary-glow);
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120;
    --bg-card: rgba(15,23,42,0.85);
    --bg-card-solid: #1e293b;
    --bg-glass: rgba(15,23,42,0.75);
    --text: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --border: rgba(51,65,85,0.8);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2), 0 1px 3px rgba(0,0,0,0.15);
    --shadow: 0 1px 3px rgba(0,0,0,0.25), 0 2px 8px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3), 0 2px 6px rgba(0,0,0,0.2);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.35), 0 4px 12px rgba(0,0,0,0.25);
    --shadow-xl: 0 20px 50px rgba(0,0,0,0.4);
    --primary-glow: rgba(99,102,241,0.2);
  }
}

[data-theme="dark"] {
  --bg: #0b1120;
  --bg-card: rgba(15,23,42,0.85);
  --bg-card-solid: #1e293b;
  --bg-glass: rgba(15,23,42,0.75);
  --text: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --border: rgba(51,65,85,0.8);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.2), 0 1px 3px rgba(0,0,0,0.15);
  --shadow: 0 1px 3px rgba(0,0,0,0.25), 0 2px 8px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3), 0 2px 6px rgba(0,0,0,0.2);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.35), 0 4px 12px rgba(0,0,0,0.25);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.4);
  --primary-glow: rgba(99,102,241,0.2);
}

[data-theme="light"] {
  --bg: #f0f2f5;
  --bg-card: rgba(255,255,255,0.85);
  --bg-card-solid: #ffffff;
  --bg-glass: rgba(255,255,255,0.7);
  --text: #0f172a;
  --text-secondary: #64748b;
  --text-tertiary: #94a3b8;
  --border: rgba(226,232,240,0.8);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.03);
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.1);
  --primary-glow: rgba(99,102,241,0.15);
}

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

img { max-width: 100%; height: auto; }
pre, code { overflow-x: auto; white-space: pre-wrap; word-break: break-word; }
table { display: block; overflow-x: auto; max-width: 100%; }
iframe { max-width: 100%; }

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background 0.3s ease, color 0.3s ease;
}

main { flex: 1; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

::selection { background: var(--primary); color: #fff; }

/* Animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  z-index: 200;
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 12px;
}

/* Header */
.site-header {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background 0.3s ease;
}

[data-theme="dark"] .site-header {
  background: rgba(11,17,32,0.85);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  text-decoration: none;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  transition: opacity 0.2s;
}
.logo:hover { opacity: 0.85; }

.logo-icon {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0;
}
.logo-icon svg {
  display: block;
  filter: drop-shadow(0 2px 4px rgba(99,102,241,0.3));
  transition: transform 0.2s ease;
}
.logo:hover .logo-icon svg { transform: scale(1.08) rotate(-4deg); }

.logo-text { position: relative; }
.logo-text span {
  background: linear-gradient(135deg, var(--primary), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  transition-property: color, background;
}

.nav-link:hover {
  color: var(--primary);
  background: var(--primary-glow);
}

/* Hero */
.hero {
  padding: 72px 0 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary), #818cf8, #a78bfa, var(--accent));
  background-size: 400% 400%;
  animation: gradientShift 12s ease infinite;
  opacity: 0.08;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-wrap: balance;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 40px;
  text-wrap: pretty;
}

/* Search */
.hero-search {
  max-width: 560px;
  margin: 0 auto 32px;
  position: relative;
  z-index: 2;
}

.search-wrapper {
  position: relative;
}

.search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-size: 1.1rem;
  pointer-events: none;
  transition: var(--transition);
  transition-property: color;
}

.search-input {
  width: 100%;
  padding: 16px 18px 16px 50px;
  border: 1.5px solid var(--border);
  border-radius: 60px;
  font-size: 1rem;
  font-family: var(--font-body);
  background: var(--bg-card);
  backdrop-filter: blur(8px);
  color: var(--text);
  outline: none;
  transition: var(--transition);
  transition-property: border-color, box-shadow, background;
  box-shadow: var(--shadow);
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-glow), var(--shadow-md);
  background: var(--bg-card-solid);
}

.search-input:focus ~ .search-icon,
.search-input:not(:placeholder-shown) ~ .search-icon {
  color: var(--primary);
}

.search-input::placeholder {
  color: var(--text-tertiary);
}

/* Category Nav */
.cat-nav {
  padding: 32px 0 8px;
  position: relative;
  z-index: 1;
}

.cat-nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.cat-nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--bg-card);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 60px;
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.88rem;
  transition: var(--transition);
  transition-property: transform, border-color, box-shadow, color, background;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.cat-nav-item:hover {
  color: var(--text);
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.cat-nav-item.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(99,102,241,0.3);
}

.cat-nav-icon { font-size: 1.1rem; line-height: 1; }

/* Category Sections */
.cat-section {
  padding: 0 0 56px;
}

.cat-heading {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--border);
  color: var(--text);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.cat-heading-count {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-tertiary);
  background: var(--bg);
  padding: 2px 10px;
  border-radius: 20px;
  font-family: var(--font-body);
  letter-spacing: 0;
}

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

.tool-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
  transition-property: transform, border-color, box-shadow, background;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: linear-gradient(135deg, transparent 60%, var(--primary-glow));
  opacity: 0;
  transition: var(--transition);
  transition-property: opacity;
  pointer-events: none;
}

.tool-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary-light);
  box-shadow: var(--shadow-xl);
  background: var(--bg-card-solid);
}

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

.tool-card-icon {
  font-size: 2rem;
  margin-bottom: 14px;
  display: inline-block;
  position: relative;
  z-index: 1;
}

.tool-card h2, .tool-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
  position: relative;
  z-index: 1;
  letter-spacing: -0.01em;
}

.tool-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  position: relative;
  z-index: 1;
  text-wrap: pretty;
}

/* Tool Page */
.tool-page {
  padding: 32px 0 60px;
}

.breadcrumb {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  margin-bottom: 24px;
  font-weight: 500;
}

.breadcrumb a { color: var(--primary); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { margin: 0 8px; color: var(--border); }

.tool-header { margin-bottom: 32px; }

.tool-header h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.tool-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  text-wrap: pretty;
}

.tool-body {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 32px;
  box-shadow: var(--shadow);
}

.tool-loading {
  text-align: center;
  padding: 48px;
  color: var(--text-secondary);
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto 14px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.tool-content {
  max-width: 750px;
  margin-bottom: 48px;
}

.tool-content h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 28px 0 12px;
}

.tool-content p { margin-bottom: 12px; color: var(--text-secondary); }

.tool-content ul { padding-left: 20px; margin-bottom: 12px; }
.tool-content li { margin-bottom: 6px; color: var(--text-secondary); }

/* Related Tools */
.related-tools {
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}

.related-tools h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 24px;
  text-align: center;
}

/* Ad Slot */
.ad-slot {
  margin: 24px 0;
  min-height: 90px;
}

.ad-placeholder {
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
  color: var(--text-tertiary);
  font-size: 0.82rem;
}

/* Theme toggle */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  transition-property: color, background;
  flex-shrink: 0;
  line-height: 0;
}
.theme-toggle:hover {
  color: var(--primary);
  background: var(--primary-glow);
}
.theme-toggle svg {
  width: 20px;
  height: 20px;
  display: block;
}
.theme-toggle .sun-icon { display: block; }
.theme-toggle .moon-icon { display: none; }
[data-theme="dark"] .theme-toggle .sun-icon { display: none; }
[data-theme="dark"] .theme-toggle .moon-icon { display: block; }

/* Hamburger */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 4px;
  flex-direction: column;
  gap: 5px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
  transition-property: transform, opacity;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Nav separator */
.nav-sep {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 4px;
  flex-shrink: 0;
}



/* Mobile categories list (hidden on desktop) */
.mobile-home { display: none; }
.mobile-cat-list {
  display: none;
}
.mobile-cat-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  padding: 16px 20px 8px;
}

/* Responsive nav */
@media (max-width: 900px) {
  .site-header .container { flex-wrap: wrap; }
  .mobile-home { display: block; }
  .theme-toggle { margin-left: auto; margin-right: 8px; }
  .hamburger { display: flex; }
  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    background: var(--bg-card-solid);
    border-top: 1px solid var(--border);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    padding: 8px 0 16px;
    gap: 2px;
  }
  .main-nav.open { display: flex; }
  .main-nav .nav-link {
    padding: 14px 20px;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
  }
  .nav-sep { display: none; }
  .mobile-cat-list {
    display: flex;
    flex-direction: column;
    width: 100%;
  }
  .mobile-cat-list .nav-link {
    padding-left: 24px;
  }


  .nav-item {
    width: 100%;
  }
  .nav-link {
    width: 100%;
    box-sizing: border-box;
  }
}
@media (max-width: 680px) {
  .site-header .container { height: auto; padding: 10px 16px; }
}

/* Footer */
.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 56px 0 0;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(5, 1fr);
  gap: 36px;
  margin-bottom: 40px;
}

.footer-col h3 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: #f1f5f9;
}

.footer-brand p { font-size: 0.88rem; color: #94a3b8; line-height: 1.6; }

.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
  transition-property: color;
}

.footer-col a:hover { color: #f1f5f9; }

.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid rgba(148,163,184,0.15);
  text-align: center;
  font-size: 0.82rem;
  color: #64748b;
}

/* Error Page */
.error-page {
  text-align: center;
  padding: 120px 0;
}

.error-page h1 { font-family: var(--font-display); font-size: 6rem; font-weight: 800; color: var(--primary); }
.error-page p { font-size: 1.15rem; color: var(--text-secondary); margin: 16px 0 32px; }

.btn {
  display: inline-block;
  padding: 14px 36px;
  background: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: 60px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  transition-property: transform, box-shadow, background;
  box-shadow: 0 4px 14px rgba(99,102,241,0.3);
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99,102,241,0.4);
}

.btn:active {
  transform: scale(0.97);
}

/* Page Header */
.page-header {
  text-align: center;
  padding: 52px 0 32px;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-header p { color: var(--text-secondary); margin-top: 8px; font-size: 1.05rem; text-wrap: pretty; }

/* Tools Listing */
.tools-listing { padding: 40px 0 60px; }

/* No results */
.no-results {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-tertiary);
  display: none;
}

.no-results.visible {
  display: block;
  animation: fadeIn 0.3s ease;
}

.no-results-icon { font-size: 3rem; margin-bottom: 16px; }
.no-results h3 { font-family: var(--font-display); font-size: 1.2rem; color: var(--text); margin-bottom: 8px; }
.no-results p { font-size: 0.9rem; }

/* Blog */
.blog-listing { padding-bottom: 60px; }

.blog-header {
  text-align: center;
  padding: 52px 0 32px;
}

.blog-header h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.blog-header p { color: var(--text-secondary); margin-top: 8px; font-size: 1.05rem; }

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

.blog-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
  transition-property: transform, border-color, box-shadow;
  box-shadow: var(--shadow);
}

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

.blog-card-date {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  font-weight: 500;
  margin-bottom: 10px;
  display: block;
}

.blog-card h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.blog-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.blog-card .blog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}

.blog-tag {
  font-size: 0.75rem;
  padding: 3px 10px;
  background: var(--primary-glow);
  color: var(--primary);
  border-radius: 20px;
  font-weight: 500;
}

.blog-post { padding: 32px 0 60px; }

.blog-post .breadcrumb { margin-bottom: 20px; }

.blog-post-header { margin-bottom: 32px; }

.blog-post-header h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin-bottom: 12px;
}

.blog-meta {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin-bottom: 24px;
}

.blog-body {
  max-width: 750px;
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--text);
}

.blog-body h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin: 36px 0 14px;
}

.blog-body h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 28px 0 10px;
}

.blog-body p { margin-bottom: 18px; }
.blog-body ul, .blog-body ol { padding-left: 22px; margin-bottom: 18px; }
.blog-body li { margin-bottom: 6px; }
.blog-body a { color: var(--primary); text-decoration: underline; }
.blog-body blockquote {
  border-left: 3px solid var(--primary);
  padding: 12px 20px;
  margin: 24px 0;
  background: var(--primary-glow);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
  font-style: italic;
}

/* Responsive */
@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .hero { padding: 48px 0 0; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; margin-bottom: 28px; }
  .search-box { max-width: 100%; }
  .tools-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-brand { grid-column: 1 / -1; }
  .tool-body { padding: 20px; }
  .cat-nav-list { gap: 8px; }
  .cat-nav-item { padding: 8px 16px; font-size: 0.82rem; }
  .cat-heading { font-size: 1.1rem; }
  .page-header { padding: 36px 0 24px; }
  .page-header h1 { font-size: 1.6rem; }
  .blog-post-header h1 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 12px; }
  .hero h1 { font-size: 1.6rem; }
  .hero p { font-size: 0.92rem; }
  .page-header h1 { font-size: 1.3rem; }
  .blog-post-header h1 { font-size: 1.2rem; }
  .tool-body { padding: 14px; }
  .site-header .container { padding: 8px 12px; }
  .hamburger { right: 12px; top: 10px; }
}

@media (min-width: 769px) and (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}