/**
 * Modern Design Enhancements for Lapis Ater
 * This file adds modern UI improvements, animations, and accessibility features
 */

/* ============================================
   MODERN DESIGN SYSTEM ENHANCEMENTS
   ============================================ */

:root {
  /* Enhanced Color Palette */
  --lapis-blue-dark: #1e3d58;
  --lapis-blue-medium: #057dcd;
  --lapis-blue-light: #43b0f1;
  --lapis-blue-accent: #0075b2;
  --lapis-gray-light: #e8eef1;
  --lapis-gray-soft: #e4f7ff;
  
  /* Modern Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  
  /* Modern Shadows */
  --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);
  
  /* Modern Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Modern Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   MODERN TYPOGRAPHY ENHANCEMENTS
   ============================================ */

body {
  font-feature-settings: "kern" 1, "liga" 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Modern Heading Styles */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

/* ============================================
   MODERN CARD DESIGNS
   ============================================ */

.modern-card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.modern-card-glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-xl);
}

/* ============================================
   MODERN BUTTON ENHANCEMENTS
   ============================================ */

.btn-modern {
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  font-weight: 600;
  letter-spacing: 0.025em;
}

.btn-modern::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: left var(--transition-slow);
}

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

.btn-modern:active {
  transform: scale(0.98);
}

/* ============================================
   MODERN ANIMATIONS
   ============================================ */

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

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

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

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

.animate-slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

.animate-scale-in {
  animation: scaleIn 0.4s ease-out;
}

/* ============================================
   MODERN GRADIENT BACKGROUNDS
   ============================================ */

.gradient-modern-primary {
  background: linear-gradient(135deg, var(--lapis-blue-dark) 0%, var(--lapis-blue-medium) 100%);
}

.gradient-modern-secondary {
  background: linear-gradient(135deg, var(--lapis-blue-light) 0%, var(--lapis-blue-medium) 100%);
}

.gradient-modern-accent {
  background: linear-gradient(135deg, var(--lapis-blue-medium) 0%, var(--lapis-blue-accent) 100%);
}

.gradient-text {
  background: linear-gradient(135deg, var(--lapis-blue-medium), var(--lapis-blue-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   MODERN NAVIGATION ENHANCEMENTS
   ============================================ */

.nav-modern {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: all var(--transition-base);
}

.nav-modern.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.95);
}

/* ============================================
   MODERN HERO SECTION
   ============================================ */

.hero-modern {
  position: relative;
  overflow: hidden;
}

.hero-modern::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(30, 61, 88, 0.9) 0%, rgba(5, 125, 205, 0.8) 100%);
  z-index: 1;
}

.hero-modern > * {
  position: relative;
  z-index: 2;
}

/* ============================================
   MODERN FORM ELEMENTS
   ============================================ */

.input-modern {
  transition: all var(--transition-base);
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-md);
}

.input-modern:focus {
  outline: none;
  border-color: var(--lapis-blue-medium);
  box-shadow: 0 0 0 3px rgba(5, 125, 205, 0.1);
}

/* ============================================
   MODERN SCROLLBAR
   ============================================ */

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--lapis-gray-light);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--lapis-blue-medium);
  border-radius: var(--radius-full);
  transition: background var(--transition-base);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--lapis-blue-dark);
}

/* Firefox Scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--lapis-blue-medium) var(--lapis-gray-light);
}

/* ============================================
   MODERN ACCESSIBILITY IMPROVEMENTS
   ============================================ */

/* Focus Visible Styles */
*:focus-visible {
  outline: 2px solid var(--lapis-blue-medium);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Skip to Content Link */
.skip-to-content {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--lapis-blue-dark);
  color: white;
  padding: var(--space-sm);
  text-decoration: none;
  z-index: 100;
  border-radius: 0 0 var(--radius-md) 0;
}

.skip-to-content:focus {
  top: 0;
}

/* ============================================
   MODERN RESPONSIVE IMPROVEMENTS
   ============================================ */

@media (max-width: 768px) {
  .modern-card {
    padding: var(--space-md);
    border-radius: var(--radius-lg);
  }
  
  h1, h2, h3 {
    font-size: clamp(1.5rem, 5vw, 2.5rem);
  }
}

/* ============================================
   MODERN LOADING STATES
   ============================================ */

.loading-skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: var(--radius-md);
}

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

/* ============================================
   MODERN UTILITY CLASSES
   ============================================ */

.container-modern {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-modern {
  padding: var(--space-2xl) 0;
}

.text-balance {
  text-wrap: balance;
}

/* ============================================
   REDUCED MOTION SUPPORT
   ============================================ */

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

/* ============================================
   HIGH CONTRAST MODE SUPPORT
   ============================================ */

@media (prefers-contrast: high) {
  .modern-card {
    border: 2px solid currentColor;
  }
  
  .btn-modern {
    border: 2px solid currentColor;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  .no-print {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .modern-card {
    box-shadow: none;
    border: 1px solid #000;
  }
}