:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #a5b4fc;
  --secondary-color: #f8fafc;
  --accent-color: #10b981;
  --accent-orange: #f59e0b;
  --accent-red: #ef4444;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --border-color: #e5e7eb;
  --bg-color: #ffffff;
  --card-bg: #ffffff;
  --glass-bg: rgba(255, 255, 255, 0.25);
  --glass-border: rgba(255, 255, 255, 0.18);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --border-radius: 12px;
  --border-radius-sm: 6px;
  --border-radius-lg: 16px;
}

[data-theme="dark"] {
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --secondary-color: #1e293b;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: #334155;
  --glass-bg: rgba(30, 41, 59, 0.25);
  --glass-border: rgba(148, 163, 184, 0.18);
}

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

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-color);
  transition: all 0.3s ease;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.5s ease;
}

.loading-content {
  text-align: center;
  color: white;
}

.logo-animation {
  font-size: 4rem;
  margin-bottom: 1rem;
  animation: pulse 2s infinite;
}

.loading-bar {
  width: 200px;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
  margin: 1rem auto;
  overflow: hidden;
}

.loading-progress {
  height: 100%;
  background: white;
  border-radius: 2px;
  animation: loadingProgress 3s ease-in-out;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

@keyframes loadingProgress {
  0% { width: 0%; }
  100% { width: 100%; }
}

/* Header */
.header {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  min-height: 80px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  box-shadow: var(--shadow-lg);
  flex-shrink: 0;
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-stats {
  display: flex;
  gap: 1.5rem;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1;
}

.theme-toggle {
  position: relative;
  background: var(--secondary-color);
  border: 1px solid var(--border-color);
  padding: 0.75rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.3s ease;
  overflow: hidden;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.theme-toggle i {
  transition: all 0.3s ease;
  position: absolute;
}

.theme-toggle i:last-child {
  opacity: 0;
  transform: translateY(20px);
}

[data-theme="dark"] .theme-toggle i:first-child {
  opacity: 0;
  transform: translateY(-20px);
}

[data-theme="dark"] .theme-toggle i:last-child {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  position: relative;
  background: var(--gradient-primary);
  color: white;
  padding: 6rem 0;
  overflow: hidden;
  min-height: 70vh;
  display: flex;
  align-items: center;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

.hero-shapes {
  position: absolute;
  width: 100%;
  height: 100%;
}

.shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  animation: float 6s ease-in-out infinite;
}

.shape-1 {
  width: 100px;
  height: 100px;
  top: 20%;
  right: 10%;
  animation-delay: 0s;
}

.shape-2 {
  width: 150px;
  height: 150px;
  bottom: 20%;
  left: 5%;
  animation-delay: 2s;
}

.shape-3 {
  width: 80px;
  height: 80px;
  top: 60%;
  right: 20%;
  animation-delay: 4s;
}

.floating-icons {
  position: absolute;
  width: 100%;
  height: 100%;
}

.floating-icons i {
  position: absolute;
  font-size: 2rem;
  opacity: 0.1;
  animation: floatIcons 8s ease-in-out infinite;
}

.floating-icons i:nth-child(1) { top: 10%; left: 10%; animation-delay: 0s; }
.floating-icons i:nth-child(2) { top: 20%; right: 15%; animation-delay: 1s; }
.floating-icons i:nth-child(3) { bottom: 30%; left: 20%; animation-delay: 2s; }
.floating-icons i:nth-child(4) { bottom: 20%; right: 10%; animation-delay: 3s; }
.floating-icons i:nth-child(5) { top: 50%; left: 5%; animation-delay: 4s; }
.floating-icons i:nth-child(6) { top: 70%; right: 25%; animation-delay: 5s; }

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes floatIcons {
  0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 0.1; }
  50% { transform: translateY(-30px) rotate(10deg); opacity: 0.3; }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  margin-bottom: 2rem;
  animation: slideInDown 1s ease-out;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  animation: slideInUp 1s ease-out 0.2s both;
}

.gradient-text {
  background: linear-gradient(45deg, #fff, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  margin-bottom: 3rem;
  opacity: 0.9;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 400;
  animation: slideInUp 1s ease-out 0.4s both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  animation: slideInUp 1s ease-out 0.6s both;
}

.cta-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  overflow: hidden;
  text-decoration: none;
}

.cta-button.primary {
  background: white;
  color: var(--primary-color);
  box-shadow: var(--shadow-xl);
}

.cta-button.primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2xl);
}

.cta-button.secondary {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.cta-button.secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.button-shine {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.6s;
}

.cta-button.primary:hover .button-shine {
  left: 100%;
}

.hero-features {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  animation: slideInUp 1s ease-out 0.8s both;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 2rem;
  font-size: 0.875rem;
}

/* Search Section */
.search-section {
  padding: 3rem 0;
  background: var(--secondary-color);
  position: relative;
}

.search-container {
  max-width: 800px;
  margin: 0 auto 3rem;
}

.search-box {
  position: relative;
  margin-bottom: 2rem;
}

.search-icon {
  position: absolute;
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 1.25rem;
  z-index: 2;
}

.search-input {
  width: 100%;
  padding: 1.25rem 1.5rem 1.25rem 4rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  font-size: 1.125rem;
  background: var(--card-bg);
  color: var(--text-primary);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1), var(--shadow-lg);
  transform: translateY(-2px);
}

.search-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-xl);
  max-height: 200px;
  overflow-y: auto;
  z-index: 100;
  display: none;
}

.quick-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

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

.quick-btn {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.quick-btn:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.category-filter {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.filter-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  border: 2px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-primary);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.tool-count {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.25rem 0.5rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
}

.filter-btn:not(.active) .tool-count {
  background: var(--text-muted);
  color: white;
}

/* Main Content */
.main-content {
  padding: 4rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.tool-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.tool-card:hover::before {
  transform: scaleX(1);
}

.tool-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--primary-light);
}

.tool-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.375rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tool-card.popular .tool-badge {
  background: var(--gradient-success);
  color: white;
}

.tool-card.trending .tool-badge.trending {
  background: var(--gradient-secondary);
  color: white;
}

.tool-card.new .tool-badge.new {
  background: var(--accent-orange);
  color: white;
}

.tool-icon {
  width: 4rem;
  height: 4rem;
  background: var(--gradient-primary);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: white;
  font-size: 1.5rem;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
}

.tool-card:hover .tool-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-xl);
}

.tool-title {
  font-size: 1.375rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.tool-description {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.tool-features {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.feature-tag {
  background: var(--secondary-color);
  color: var(--text-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 500;
}

.tool-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 0.875rem 1.5rem;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.tool-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.tool-btn i {
  transition: transform 0.3s ease;
}

.tool-btn:hover i {
  transform: translateX(4px);
}

.load-more-section {
  text-align: center;
}

.load-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--secondary-color);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  padding: 1rem 2rem;
  border-radius: var(--border-radius-lg);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.load-more-btn:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Features Section */
.features-section {
  padding: 4rem 0;
  background: var(--secondary-color);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-card {
  text-align: center;
  padding: 2rem;
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.feature-icon {
  width: 4rem;
  height: 4rem;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: white;
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Footer */
.footer {
  background: var(--text-primary);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.footer-brand .brand-logo {
  background: var(--gradient-primary);
}

.footer-brand .brand-text {
  color: white;
}

.footer-brand .brand-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

.footer-section h4 {
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: white;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.75rem;
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

.footer-bottom i {
  color: var(--accent-red);
  margin: 0 0.25rem;
}

/* Scroll to Top */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
}

.scroll-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(5px);
}

.loading-spinner {
  background: var(--card-bg);
  padding: 3rem 2rem;
  border-radius: var(--border-radius-lg);
  text-align: center;
  color: var(--text-primary);
  max-width: 300px;
  width: 90%;
}

.spinner-ring {
  width: 60px;
  height: 60px;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

.loading-spinner i {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.loading-spinner p {
  margin-bottom: 1rem;
  font-weight: 500;
}

.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  width: 0%;
  animation: progressFill 3s ease-in-out infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes progressFill {
  0% { width: 0%; }
  50% { width: 70%; }
  100% { width: 100%; }
}

/* Animations */
@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.animate-in {
  animation: fadeInUp 0.6s ease-out;
}

/* Hidden class for filtering */
.hidden {
  display: none !important;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .navbar {
    padding: 1rem 0;
  }
  
  .nav-stats {
    display: none;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .tools-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }
  
  .nav-menu {
    gap: 1rem;
  }
  
  .hero {
    padding: 4rem 0;
    min-height: 60vh;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-button {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
  
  .hero-features {
    flex-direction: column;
    gap: 1rem;
  }
  
  .category-filter {
    overflow-x: auto;
    padding-bottom: 1rem;
    justify-content: flex-start;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  
  .category-filter::-webkit-scrollbar {
    display: none;
  }
  
  .filter-btn {
    white-space: nowrap;
    flex-shrink: 0;
  }
  
  .tools-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 0.5rem;
  }
  
  .hero {
    padding: 3rem 0;
  }
  
  .hero-title {
    font-size: 1.75rem;
  }
  
  .search-section {
    padding: 2rem 0;
  }
  
  .main-content {
    padding: 3rem 0;
  }
  
  .tool-card {
    padding: 1.5rem;
  }
  
  .features-section {
    padding: 3rem 0;
  }
  
  .footer {
    padding: 3rem 0 2rem;
  }
  
  .cta-button {
    padding: 0.875rem 1.5rem;
    font-size: 0.875rem;
  }
  
  .quick-actions {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 0.5rem;
  }
  
  .quick-btn {
    flex-shrink: 0;
  }
}

/* High-resolution displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .tool-icon,
  .feature-icon,
  .brand-logo {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* Print styles */
@media print {
  .header,
  .hero,
  .search-section,
  .footer,
  .scroll-to-top,
  .loading-overlay {
    display: none !important;
  }
  
  .main-content {
    padding: 0;
  }
  
  .tool-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Focus styles for accessibility */
.tool-btn:focus,
.filter-btn:focus,
.theme-toggle:focus,
.search-input:focus,
.cta-button:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}