/* 
 * LOGMELN.HELP - Premium Luxury Design System
 * Super Premium CSS with Modern Technologies
 * Advanced animations, glassmorphism, gradients, and interactions
 */

/* ========== CSS VARIABLES & DESIGN TOKENS ========== */
:root {
  /* Premium Color Palette */
  --color-primary: #6366f1;
  --color-primary-dark: #4338ca;
  --color-primary-light: #a5b4fc;
  --color-secondary: #f59e0b;
  --color-secondary-dark: #d97706;
  --color-accent: #06d6a0;
  --color-accent-dark: #059669;
  
  /* Premium Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-hero: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
  --gradient-text: linear-gradient(135deg, #1e293b 0%, #475569 100%);
  
  /* Typography Scale */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-family-heading: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Font Sizes - Perfect Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  
  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  --radius-full: 9999px;
  
  /* Shadows - Premium Elevation System */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-premium: 0 32px 64px -12px rgba(99, 102, 241, 0.4);
  --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ========== GLOBAL RESET & BASE STYLES ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: #1e293b;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  overflow-x: hidden;
  min-height: 100vh;
}

/* ========== PREMIUM TYPOGRAPHY SYSTEM ========== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-4);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-4);
  color: #475569;
  line-height: 1.7;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-fast);
  position: relative;
}

a:hover {
  color: var(--color-primary-dark);
}

a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ========== PREMIUM CONTAINER SYSTEM ========== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-sm { max-width: 640px; }
.container-md { max-width: 768px; }
.container-lg { max-width: 1024px; }
.container-xl { max-width: 1280px; }

/* ========== PREMIUM HEADER & NAVIGATION ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-base);
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-glass);
  opacity: 0.8;
  z-index: -1;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) 0;
  position: relative;
}

.brand {
  font-family: var(--font-family-heading);
  font-size: var(--text-2xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: var(--transition-base);
  text-decoration: none;
}

.brand:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav-menu a {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
  font-weight: 500;
  color: #64748b;
  position: relative;
  overflow: hidden;
}

.nav-menu a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  transition: var(--transition-base);
  z-index: -1;
  border-radius: var(--radius-lg);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.nav-menu a:hover::before,
.nav-menu a.active::before {
  left: 0;
}

/* ========== PREMIUM HERO SECTION ========== */
.hero {
  background: var(--gradient-hero);
  color: white;
  padding: var(--space-32) 0 var(--space-24);
  margin-top: 80px;
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero::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 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,208C1248,224,1344,192,1392,176L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"/></svg>') no-repeat bottom;
  background-size: cover;
  opacity: 0.3;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  margin-bottom: var(--space-6);
  color: white;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
  font-size: var(--text-xl);
  margin-bottom: var(--space-8);
  opacity: 0.9;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.cta-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease-out 0.4s both;
}

/* ========== PREMIUM BUTTON SYSTEM ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: var(--text-base);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  min-width: 200px;
  gap: var(--space-2);
}

.btn::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-slow);
}

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

.btn-primary {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: white;
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
  background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

/* ========== PREMIUM SECTION SYSTEM ========== */
.section {
  padding: var(--space-24) 0;
  position: relative;
}

.section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
  text-align: center;
  margin-bottom: var(--space-4);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -var(--space-2);
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.section-subtitle {
  text-align: center;
  color: #64748b;
  margin-bottom: var(--space-12);
  font-size: var(--text-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ========== PREMIUM GRID SYSTEM ========== */
.grid {
  display: grid;
  gap: var(--space-8);
  margin-top: var(--space-8);
}

.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* ========== PREMIUM CARD SYSTEM ========== */
.card {
  background: var(--gradient-card);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
}

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

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

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

.card-glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-glass);
}

.card-icon {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-6);
  display: block;
  text-align: center;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: bounce 2s infinite;
}

.card h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
  color: #1e293b;
}

.card p {
  color: #64748b;
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

/* ========== PREMIUM LIST STYLES ========== */
.checklist {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0;
}

.checklist li {
  padding: var(--space-3) 0;
  position: relative;
  padding-left: var(--space-8);
  color: #475569;
  transition: var(--transition-fast);
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: var(--space-3);
  width: var(--space-6);
  height: var(--space-6);
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: bold;
  box-shadow: var(--shadow-md);
}

.checklist li:hover {
  color: #1e293b;
  transform: translateX(var(--space-2));
}

/* ========== PREMIUM TABLE SYSTEM ========== */
.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: var(--space-8) 0;
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.table th,
.table td {
  padding: var(--space-5) var(--space-6);
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
}

.table th {
  background: var(--gradient-primary);
  color: white;
  font-weight: 600;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.table tbody tr {
  transition: var(--transition-fast);
}

.table tbody tr:hover {
  background-color: #f8fafc;
  transform: scale(1.01);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* ========== PREMIUM ALERT SYSTEM ========== */
.alert {
  padding: var(--space-6) var(--space-8);
  border-radius: var(--radius-xl);
  margin: var(--space-8) 0;
  border-left: 4px solid;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.alert::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.1;
  z-index: -1;
}

.alert-info {
  background: rgba(99, 102, 241, 0.1);
  border-left-color: var(--color-primary);
  color: #1e293b;
}

.alert-info::before {
  background: var(--gradient-primary);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border-left-color: var(--color-secondary);
  color: #1e293b;
}

.alert-warning::before {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.alert-success {
  background: rgba(6, 214, 160, 0.1);
  border-left-color: var(--color-accent);
  color: #1e293b;
}

.alert-success::before {
  background: linear-gradient(135deg, #06d6a0 0%, #059669 100%);
}

/* ========== PREMIUM FOOTER ========== */
.footer {
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
  color: #e2e8f0;
  padding: var(--space-24) 0 var(--space-8);
  margin-top: var(--space-24);
  position: relative;
  overflow: hidden;
}

.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 1440 320"><path fill="rgba(99,102,241,0.1)" d="M0,192L48,197.3C96,203,192,213,288,229.3C384,245,480,267,576,250.7C672,235,768,181,864,181.3C960,181,1056,235,1152,234.7C1248,235,1344,181,1392,154.7L1440,128L1440,0L1392,0C1344,0,1248,0,1152,0C1056,0,960,0,864,0C768,0,672,0,576,0C480,0,384,0,288,0C192,0,96,0,48,0L0,0Z"/></svg>') no-repeat top;
  background-size: cover;
  opacity: 0.3;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-12);
  margin-bottom: var(--space-12);
  position: relative;
  z-index: 2;
}

.footer-section h4 {
  color: white;
  margin-bottom: var(--space-6);
  font-size: var(--text-lg);
  position: relative;
}

.footer-section h4::after {
  content: '';
  position: absolute;
  bottom: -var(--space-2);
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

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

.footer-section ul li {
  margin-bottom: var(--space-3);
  transition: var(--transition-fast);
}

.footer-section ul li:hover {
  transform: translateX(var(--space-2));
}

.footer-section ul li a {
  color: #cbd5e1;
  transition: var(--transition-fast);
  position: relative;
}

.footer-section ul li a::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-base);
}

.footer-section ul li a:hover {
  color: white;
}

.footer-section ul li a:hover::before {
  width: 100%;
}

.footer-bottom {
  border-top: 1px solid #475569;
  padding-top: var(--space-8);
  text-align: center;
  color: #94a3b8;
  position: relative;
  z-index: 2;
}

/* ========== PREMIUM ANIMATIONS ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes shimmer {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

/* ========== PREMIUM UTILITY CLASSES ========== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-accent { color: var(--color-accent); }
.text-muted { color: #64748b; }

.bg-primary { background: var(--gradient-primary); }
.bg-glass { background: rgba(255, 255, 255, 0.1); backdrop-filter: blur(20px); }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }

.hover-lift {
  transition: var(--transition-base);
}

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

/* ========== PREMIUM RESPONSIVE DESIGN ========== */
@media (max-width: 1024px) {
  .container {
    padding: 0 var(--space-4);
  }
  
  .nav-menu {
    gap: var(--space-1);
  }
  
  .nav-menu a {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
  }
  
  .hero {
    padding: var(--space-24) 0 var(--space-16);
  }
  
  .section {
    padding: var(--space-16) 0;
  }
  
  .grid {
    gap: var(--space-6);
  }
  
  .card {
    padding: var(--space-6);
  }
}

@media (max-width: 768px) {
  .nav {
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-3) 0;
  }
  
  .nav-menu {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-1);
  }
  
  .hero {
    padding: var(--space-20) 0 var(--space-12);
    margin-top: 120px;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .table {
    font-size: var(--text-sm);
  }
  
  .table th,
  .table td {
    padding: var(--space-3) var(--space-4);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-3);
  }
  
  .hero {
    padding: var(--space-16) 0 var(--space-8);
  }
  
  .section {
    padding: var(--space-12) 0;
  }
  
  .card {
    padding: var(--space-4);
  }
  
  .nav-menu a {
    padding: var(--space-2);
    font-size: var(--text-xs);
  }
}

/* ========== PREMIUM INTERACTIONS ========== */
.interactive-element {
  cursor: pointer;
  transition: all var(--transition-base);
}

.interactive-element:hover {
  transform: scale(1.02);
}

.interactive-element:active {
  transform: scale(0.98);
}

/* Premium focus styles */
.focus-ring:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-lg);
}

/* Premium scroll animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.animate-on-scroll.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Premium loading states */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 1.5s infinite;
}

/* Premium glassmorphism variants */
.glass-light {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.glass-dark {
  background: rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

/* Premium form elements */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 500;
  color: #374151;
}

.form-control {
  width: 100%;
  padding: var(--space-4);
  border: 2px solid #e5e7eb;
  border-radius: var(--radius-lg);
  background: white;
  transition: var(--transition-base);
  font-size: var(--text-base);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* ========== PREMIUM PRINT STYLES ========== */
@media print {
  * {
    background: transparent !important;
    color: black !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }
  
  .header,
  .footer,
  .btn,
  .nav-menu {
    display: none !important;
  }
  
  .container {
    max-width: none !important;
    padding: 0 !important;
  }
  
  .section {
    padding: var(--space-4) 0 !important;
  }
}

/* ========== PREMIUM ACCESSIBILITY ========== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-text: #f1f5f9;
    --color-background: #0f172a;
  }
}

/* ========== HIGH CONTRAST MODE ========== */
@media (prefers-contrast: high) {
  .card {
    border: 2px solid #000;
  }
  
  .btn {
    border: 2px solid;
  }
}