/* Modern CSS Reset & Variables */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

:root {
  /* Modern Color Palette */
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --warning-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  --danger-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  
  --primary-color: #6366f1;
  --secondary-color: #8b5cf6;
  --accent-color: #06b6d4;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  
  /* Glass Morphism Colors */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
  
  /* Dark Mode Colors */
  --dark-bg: #0f172a;
  --dark-surface: #1e293b;
  --dark-card: rgba(30, 41, 59, 0.8);
  
  /* Text Colors */
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-light: #f1f5f9;
  
  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-subtle: #f1f5f9;
  
  /* Border & Shadow */
  --border-color: rgba(226, 232, 240, 0.8);
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
  
  /* Modern Transitions */
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Modern Typography */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Enhanced Loading Animation */
.loading-spinner {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  transition: opacity 0.5s ease;
}

.spinner {
  position: relative;
}

.spinner-inner {
  width: 80px;
  height: 80px;
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-top: 3px solid #ffffff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #ffffff;
  box-shadow: var(--shadow-2xl);
}

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

/* Glassmorphism Header */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-base);
}

.navbar {
  padding: 1rem 0;
  transition: var(--transition-base);
}

.navbar.scrolled {
  padding: 0.5rem 0;
  background: rgba(255, 255, 255, 0.95);
}

/* Modern Brand Design */
.brand-logo {
  width: 48px;
  height: 48px;
  background: var(--primary-gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
  margin-right: 16px;
  position: relative;
  overflow: hidden;
  transition: var(--transition-base);
}

.brand-logo::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: rotate(45deg);
  transition: var(--transition-slow);
}

.brand-logo:hover::before {
  animation: shine 0.6s ease-in-out;
}

@keyframes shine {
  0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
  100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.brand-text {
  font-weight: 800;
  font-size: 1.75rem;
  background: var(--primary-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0;
}

/* Enhanced Navigation */
.nav-link {
  font-weight: 600;
  color: var(--text-primary) !important;
  padding: 0.75rem 1.25rem !important;
  border-radius: 12px;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--primary-gradient);
  opacity: 0.1;
  transition: var(--transition-base);
  z-index: -1;
}

.nav-link:hover::before {
  left: 0;
}

.nav-link:hover {
  color: var(--primary-color) !important;
  transform: translateY(-2px);
}

/* Modern Dropdown */
.dropdown-menu {
  border: none;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-xl);
  border-radius: 16px;
  padding: 1rem;
  margin-top: 0.5rem;
  border: 1px solid var(--glass-border);
}

.dropdown-item {
  padding: 0.75rem 1rem;
  font-weight: 500;
  color: var(--text-primary);
  border-radius: 8px;
  transition: var(--transition-base);
  margin-bottom: 0.25rem;
}

.dropdown-item:hover {
  background: var(--bg-subtle);
  color: var(--primary-color);
  transform: translateX(4px);
}

/* Enhanced Buttons */
.btn {
  font-weight: 600;
  border-radius: 12px;
  transition: var(--transition-base);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--primary-gradient);
  padding: 0.875rem 2rem;
  box-shadow: var(--shadow-md);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition-base);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.btn-outline-primary {
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  background: transparent;
  backdrop-filter: blur(10px);
  padding: 0.875rem 2rem;
}

.btn-outline-primary:hover {
  background: var(--primary-gradient);
  border-color: transparent;
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* Revolutionary Hero Section */
.hero-section {
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(120, 119, 198, 0.15) 0%, transparent 50%);
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

.particle {
  position: absolute;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  animation: float-particles 20s infinite linear;
}

.particle:nth-child(1) { width: 8px; height: 8px; left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { width: 12px; height: 12px; left: 20%; animation-delay: 2s; }
.particle:nth-child(3) { width: 6px; height: 6px; left: 30%; animation-delay: 4s; }
.particle:nth-child(4) { width: 10px; height: 10px; left: 40%; animation-delay: 6s; }
.particle:nth-child(5) { width: 14px; height: 14px; left: 50%; animation-delay: 8s; }
.particle:nth-child(6) { width: 8px; height: 8px; left: 60%; animation-delay: 10s; }
.particle:nth-child(7) { width: 12px; height: 12px; left: 70%; animation-delay: 12s; }
.particle:nth-child(8) { width: 6px; height: 6px; left: 80%; animation-delay: 14s; }
.particle:nth-child(9) { width: 10px; height: 10px; left: 90%; animation-delay: 16s; }

@keyframes float-particles {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  color: white;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 2rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-title .text-gradient {
  background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
  from { filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.5)); }
  to { filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.8)); }
}

.hero-subtitle {
  font-size: 1.375rem;
  font-weight: 400;
  opacity: 0.95;
  margin-bottom: 3rem;
  line-height: 1.6;
}

.hero-features {
  margin-bottom: 3rem;
}

.feature-item {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  font-weight: 500;
  font-size: 1.1rem;
}

.feature-item i {
  margin-right: 1rem;
  font-size: 1.25rem;
  color: #4ade80;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-cta .btn {
  font-size: 1.125rem;
  padding: 1.25rem 2.5rem;
  min-width: 180px;
}

/* 3D Dashboard Preview */
.hero-image {
  position: relative;
  z-index: 2;
  perspective: 1000px;
}

.dashboard-preview {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 24px;
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
  transform: perspective(1000px) rotateY(-15deg) rotateX(10deg);
  transition: var(--transition-slow);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.dashboard-preview:hover {
  transform: perspective(1000px) rotateY(-8deg) rotateX(5deg) scale(1.02);
}

.dashboard-header {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  padding: 1.5rem;
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.dashboard-nav {
  display: flex;
  gap: 0.5rem;
}

.nav-item {
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-base);
  background: transparent;
}

.nav-item.active {
  background: var(--primary-gradient);
  color: white;
  box-shadow: var(--shadow-md);
}

.dashboard-content {
  padding: 2rem;
  background: white;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  text-align: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 0.25rem;
}

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

.chart-area {
  height: 140px;
  background: var(--primary-gradient);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}

.chart-placeholder {
  position: absolute;
  bottom: 15px;
  left: 15px;
  right: 15px;
  height: 80px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  backdrop-filter: blur(10px);
}

/* Modern Features Section */
.features-section {
  padding: 6rem 0;
  background: var(--bg-primary);
  position: relative;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1rem;
  text-align: center;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 4rem;
  text-align: center;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.feature-card {
  background: white;
  padding: 3rem 2rem;
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  height: 100%;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

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

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

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

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--primary-gradient);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  margin-bottom: 2rem;
  transition: var(--transition-base);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
}

.feature-card h4 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
  font-size: 1.1rem;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-list li {
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  position: relative;
  padding-left: 2rem;
  font-weight: 500;
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success-color);
  font-weight: 700;
  font-size: 1.1rem;
}

/* Revolutionary Benefits Section */
.benefits-section {
  padding: 6rem 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  position: relative;
  overflow: hidden;
}

.benefits-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 50 0 L 0 0 0 50" fill="none" stroke="rgba(99,102,241,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)" /></svg>');
}

.benefits-list {
  margin-top: 3rem;
  position: relative;
  z-index: 2;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 3rem;
  background: white;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
}

.benefit-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.benefit-icon {
  width: 70px;
  height: 70px;
  background: var(--primary-gradient);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 2rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.benefit-item:hover .benefit-icon {
  transform: scale(1.1) rotate(5deg);
}

.benefit-icon i {
  color: white;
  font-size: 1.75rem;
}

.benefit-content h4 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.benefit-content p {
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.7;
  font-size: 1.1rem;
}

/* Animated Floating Cards */
.benefits-image {
  position: relative;
  height: 500px;
}

.floating-cards {
  position: relative;
  height: 100%;
}

.floating-card {
  position: absolute;
  background: white;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 1rem;
  font-weight: 700;
  animation: float 6s ease-in-out infinite;
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  min-width: 200px;
}

.floating-card i {
  color: var(--primary-color);
  font-size: 2rem;
}

.card-1 {
  top: 10%;
  left: 10%;
  animation-delay: 0s;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
}

.card-2 {
  top: 40%;
  right: 10%;
  animation-delay: 2s;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(6, 182, 212, 0.1));
}

.card-3 {
  bottom: 10%;
  left: 20%;
  animation-delay: 4s;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(239, 68, 68, 0.1));
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  25% { transform: translateY(-15px) rotate(1deg); }
  50% { transform: translateY(-10px) rotate(-1deg); }
  75% { transform: translateY(-20px) rotate(1deg); }
}

/* Modern CTA Section */
.cta-section {
  background: var(--primary-gradient);
  color: white;
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="b" cx="50%" cy="50%"><stop offset="0%" style="stop-color:rgba(255,255,255,0.1)"/><stop offset="100%" style="stop-color:rgba(255,255,255,0)"/></radialGradient></defs><circle cx="150" cy="150" r="100" fill="url(%23b)"/><circle cx="850" cy="200" r="80" fill="url(%23b)"/><circle cx="300" cy="800" r="90" fill="url(%23b)"/></svg>');
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.cta-subtitle {
  font-size: 1.375rem;
  margin-bottom: 3rem;
  opacity: 0.95;
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-buttons .btn {
  font-size: 1.125rem;
  padding: 1.25rem 2.5rem;
  min-width: 200px;
}

.btn-outline-light {
  border: 2px solid rgba(255, 255, 255, 0.8);
  color: white;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.btn-outline-light:hover {
  background: white;
  color: var(--primary-color);
  border-color: white;
}

/* Modern Database Management Styles */
.database-management {
  padding: 2rem 0;
  background: var(--bg-secondary);
  min-height: 100vh;
}

.page-header {
  background: white;
  border-radius: 20px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.page-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
}

.page-title i {
  background: var(--primary-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-right: 1rem;
}

.page-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin: 0;
}

/* Enhanced Statistics Cards */
.stat-card {
  background: white;
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
  height: 100%;
  overflow: hidden;
  position: relative;
}

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

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

.stat-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.stat-card-body {
  padding: 2rem;
  display: flex;
  align-items: center;
}

.stat-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1.5rem;
  font-size: 2rem;
  color: white;
  position: relative;
  overflow: hidden;
}

.stat-icon::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: rotate(45deg);
  transition: var(--transition-slow);
}

.stat-card:hover .stat-icon::before {
  animation: shine 0.6s ease-in-out;
}

.stat-content {
  flex: 1;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Modern Search and Filter */
.search-box {
  position: relative;
}

.search-box .input-group {
  background: white;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: var(--transition-base);
}

.search-box .input-group:focus-within {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.search-box .input-group-text {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 1rem 1.5rem;
}

.search-box .form-control {
  border: none;
  background: transparent;
  padding: 1rem 1.5rem 1rem 0;
  font-size: 1rem;
  font-weight: 500;
}

.search-box .form-control:focus {
  box-shadow: none;
  outline: none;
}

.filter-options .form-select {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1rem 1.5rem;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.filter-options .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
  outline: none;
}

/* Revolutionary Database Cards */
.database-card {
  background: white;
  border-radius: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
  height: 100%;
  overflow: hidden;
  position: relative;
}

.database-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transition: var(--transition-base);
}

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

.database-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--primary-color);
}

.database-card-header {
  padding: 2rem 2rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.database-icon {
  width: 80px;
  height: 80px;
  background: var(--primary-gradient);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition-base);
}

.database-card:hover .database-icon {
  transform: scale(1.1) rotate(5deg);
}

.database-icon .icon-img {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  object-fit: cover;
}

.database-status {
  position: relative;
}

.status-indicator {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: inline-block;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.status-active {
  background: var(--success-color);
}

.status-active::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--success-color);
  opacity: 0.3;
  animation: pulse-ring 2s infinite ease-out;
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.3; }
  70% { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}

.database-card-body {
  padding: 1rem 2rem 2rem;
}

.database-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.database-domain {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  font-weight: 500;
}

.database-card-footer {
  padding: 1.5rem 2rem 2rem;
  border-top: 1px solid var(--border-color);
  background: var(--bg-subtle);
}

.database-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.database-actions .btn {
  border-radius: 12px;
  font-weight: 600;
  padding: 0.75rem 1.25rem;
  font-size: 0.9rem;
}

/* Enhanced Empty State */
.empty-state {
  background: white;
  border-radius: 24px;
  border: 2px dashed var(--border-color);
  margin: 3rem 0;
  padding: 4rem 2rem;
  text-align: center;
  transition: var(--transition-base);
}

.empty-state:hover {
  border-color: var(--primary-color);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.02), rgba(139, 92, 246, 0.02));
}

.empty-icon {
  font-size: 5rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  opacity: 0.7;
}

.empty-title {
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.empty-description {
  font-size: 1.125rem;
  margin-bottom: 2.5rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Enhanced Footer */
.main-footer {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: #e2e8f0;
  margin-top: auto;
  position: relative;
  overflow: hidden;
}

.main-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="footer-grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23footer-grid)" /></svg>');
}

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

.footer-title {
  color: white;
  font-weight: 700;
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  transition: var(--transition-base);
  font-weight: 500;
}

.footer-links a:hover {
  color: white;
  transform: translateX(4px);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-link {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  text-decoration: none;
  transition: var(--transition-base);
  backdrop-filter: blur(10px);
}

.social-link:hover {
  background: var(--primary-gradient);
  color: white;
  transform: translateY(-4px);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: #94a3b8;
  font-size: 1rem;
  font-weight: 500;
}

.contact-item i {
  width: 20px;
  font-size: 1rem;
  color: var(--primary-color);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  color: #94a3b8;
  position: relative;
  z-index: 2;
}

.footer-badges .badge {
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-left: 0.5rem;
}

/* Back to Top Enhancement */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background: var(--primary-gradient);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  z-index: 1000;
  box-shadow: var(--shadow-xl);
}

.back-to-top:hover {
  transform: translateY(-4px) scale(1.1);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

/* Advanced Responsive Design */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .section-title {
    font-size: 2.25rem;
  }
}

@media (max-width: 768px) {
  .hero-section {
    padding-top: 100px;
    text-align: center;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .hero-cta .btn {
    min-width: 160px;
    margin-bottom: 1rem;
  }
  
  .dashboard-preview {
    transform: none;
    margin-top: 3rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .floating-card {
    position: static;
    margin-bottom: 1rem;
    animation: none;
  }
  
  .benefits-image {
    margin-top: 2rem;
    height: auto;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .feature-card,
  .benefit-item {
    margin-bottom: 2rem;
  }
  
  .database-actions {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .database-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 576px) {
  .hero-section {
    padding: 2rem 0;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .feature-card {
    padding: 2rem 1.5rem;
  }
  
  .benefit-item {
    flex-direction: column;
    text-align: center;
  }
  
  .benefit-icon {
    margin-right: 0;
    margin-bottom: 1rem;
  }
  
  .page-header {
    padding: 1.5rem;
  }
  
  .page-title {
    font-size: 2rem;
    flex-direction: column;
    text-align: center;
  }
  
  .page-title i {
    margin-right: 0;
    margin-bottom: 0.5rem;
  }
  
  .database-card-header,
  .database-card-body,
  .database-card-footer {
    padding: 1.5rem;
  }
  
  .stat-card-body {
    padding: 1.5rem;
    flex-direction: column;
    text-align: center;
  }
  
  .stat-icon {
    margin-right: 0;
    margin-bottom: 1rem;
  }
  
  .search-box,
  .filter-options {
    margin-bottom: 1rem;
  }
  
  .navbar-brand {
    font-size: 1.25rem;
  }
  
  .brand-logo {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }
}

/* Modern Animation Enhancements */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.animate-on-scroll {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-on-scroll.delay-1 { animation-delay: 0.1s; }
.animate-on-scroll.delay-2 { animation-delay: 0.2s; }
.animate-on-scroll.delay-3 { animation-delay: 0.3s; }
.animate-on-scroll.delay-4 { animation-delay: 0.4s; }
.animate-on-scroll.delay-5 { animation-delay: 0.5s; }
.animate-on-scroll.delay-6 { animation-delay: 0.6s; }

/* Focus and Accessibility Improvements */
.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
  outline: none;
}

.nav-link:focus,
.dropdown-item:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .main-header,
  .main-footer,
  .back-to-top,
  .loading-spinner {
    display: none !important;
  }
  
  .main-content {
    margin-top: 0 !important;
  }
  
  .hero-section {
    background: white !important;
    color: black !important;
  }
}