/* ============================================
   ИНДИВИДУАЛЬНЫЙ ПРОЕКТ - Premium Design System
   Modern AI/Tech Theme with Advanced Glassmorphism
   ============================================ */

/* CSS Custom Properties - Design Tokens */
:root {
  /* Colors */
  --color-surface: #050505;
  --color-surface-container: #0D0D0D;
  --color-surface-container-high: #1A1A1A;
  --color-primary: #ADC6FF;
  --color-primary-light: #D0BCFF;
  --color-primary-dark: #8FA8E8;
  --color-secondary: #E9B3FF;
  --color-secondary-light: #F5D0FF;
  --color-accent: #00E5FF;
  --color-nvidia: #76B900;
  --color-amd: #ED1C24;
  --color-topaz: #00A86B;
  --color-on-surface: #F2F2F2;
  --color-on-surface-variant: #A1A1A1;
  --color-on-surface-disabled: #6B6B6B;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #ADC6FF 0%, #E9B3FF 100%);
  --gradient-primary-reverse: linear-gradient(135deg, #E9B3FF 0%, #ADC6FF 100%);
  --gradient-nvidia: linear-gradient(135deg, #76B900 0%, #8ED600 100%);
  --gradient-amd: linear-gradient(135deg, #ED1C24 0%, #FF4D4D 100%);
  --gradient-topaz: linear-gradient(135deg, #00A86B 0%, #00D4AA 100%);
  --gradient-text: linear-gradient(135deg, #ADC6FF 0%, #D0BCFF 50%, #E9B3FF 100%);
  --gradient-hero: linear-gradient(180deg, rgba(173, 198, 255, 0.15) 0%, rgba(5, 5, 5, 0) 100%);
  --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.02) 100%);
  
  /* Shadows */
  --shadow-glow: 0 0 40px rgba(173, 198, 255, 0.3);
  --shadow-glow-strong: 0 0 60px rgba(173, 198, 255, 0.5);
  --shadow-glow-nvidia: 0 0 40px rgba(118, 185, 0, 0.4);
  --shadow-glow-amd: 0 0 40px rgba(237, 28, 36, 0.4);
  --shadow-card: 0 20px 60px rgba(0, 0, 0, 0.5);
  --shadow-card-hover: 0 30px 80px rgba(0, 0, 0, 0.6);
  --shadow-inner: inset 0 1px 0 rgba(255, 255, 255, 0.1);
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-2xl: 2.5rem;
  --radius-3xl: 3rem;
  --radius-full: 9999px;
  
  /* Spacing */
  --section-padding: 8rem;
  --container-max: 1280px;
}

/* ============================================
   Base Styles
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--color-surface);
  color: var(--color-on-surface);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Selection */
::selection {
  background-color: rgba(173, 198, 255, 0.3);
  color: var(--color-on-surface);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-surface-container);
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gradient-primary-reverse);
}

/* ============================================
   Typography
   ============================================ */
.font-headline {
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-nvidia {
  background: var(--gradient-nvidia);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-amd {
  background: var(--gradient-amd);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-topaz {
  background: var(--gradient-topaz);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ============================================
   Glass Card Component - Premium
   ============================================ */
.glass-card {
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(30px);
  background: var(--gradient-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-2xl);
  transition: all var(--transition-slow);
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    to right,
    transparent,
    rgba(255, 255, 255, 0.15),
    transparent
  );
  transform: skewX(-25deg);
  transition: none;
  z-index: 1;
}

.glass-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(173, 198, 255, 0.1),
    transparent 40%
  );
  opacity: 0;
  transition: opacity var(--transition-slow);
  z-index: 0;
}

.glass-card:hover::before {
  animation: shimmer 1.5s ease-in-out;
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(173, 198, 255, 0.4);
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-card-hover), 0 0 40px rgba(173, 198, 255, 0.15);
}

.glass-card:hover::after {
  opacity: 1;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 200%; }
}

.glass-card:hover .icon-bounce {
  transform: scale(1.15) rotate(8deg);
  filter: drop-shadow(0 0 20px rgba(173, 198, 255, 0.8));
}

/* ============================================
   Apple Button Component - Premium
   ============================================ */
.apple-button {
  position: relative;
  overflow: hidden;
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-full);
  padding: 0.875rem 1.75rem;
  color: var(--color-surface);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(173, 198, 255, 0.3), var(--shadow-inner);
  transition: all var(--transition-base);
  z-index: 1;
}

.apple-button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.3) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.apple-button:hover {
  box-shadow: 0 0 50px rgba(173, 198, 255, 0.6), var(--shadow-inner);
  filter: brightness(1.1);
  transform: translateY(-3px) scale(1.02);
}

.apple-button:hover::before {
  opacity: 1;
}

.apple-button:active {
  transform: scale(0.97);
}

.apple-button-lg {
  padding: 1.125rem 2.5rem;
  font-size: 0.875rem;
}

/* Ripple effect container */
.apple-button .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: scale(0);
  animation: ripple-animation 0.6s ease-out;
  pointer-events: none;
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ============================================
   Reveal Animation - Scroll Based
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-from-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-from-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-from-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-from-right.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.active {
  opacity: 1;
  transform: scale(1);
}

/* Staggered Reveal Items */
.stagger-item {
  transition-delay: calc(var(--item-index, 0) * 0.1s);
}

/* ============================================
   Parallax Background
   ============================================ */
.parallax-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(180px);
  opacity: 0.12;
  mix-blend-mode: screen;
  transition: transform 1.5s cubic-bezier(0.16, 1, 0.3, 1);
  animation: orbPulse 8s ease-in-out infinite;
}

@keyframes orbPulse {
  0%, 100% { opacity: 0.12; transform: scale(1); }
  50% { opacity: 0.18; transform: scale(1.05); }
}

/* ============================================
   Navigation - Premium
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(40px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0.75rem 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-link {
  position: relative;
  color: var(--color-on-surface-variant);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-decoration: none;
  transition: color var(--transition-base);
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
  border-radius: var(--radius-full);
}

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

.nav-link:hover::after {
  width: 100%;
}

/* ============================================
   Magnetic Button Effect
   ============================================ */
.magnetic-wrap {
  display: inline-block;
  transition: transform var(--transition-base);
  cursor: pointer;
}

.magnetic-btn {
  display: inline-block;
  transition: transform var(--transition-fast);
}

/* ============================================
   Particle System
   ============================================ */
.particle {
  position: absolute;
  background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: particleFloat 20s ease-in-out infinite;
}

@keyframes particleFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { transform: translate(100px, -100px) rotate(360deg); opacity: 0; }
}

/* ============================================
   Neural Line Animation
   ============================================ */
.neural-line {
  stroke-dasharray: 12 8;
  animation: marching-ants 3s linear infinite;
  stroke-linecap: round;
}

@keyframes marching-ants {
  0% { stroke-dashoffset: 40; }
  100% { stroke-dashoffset: 0; }
}

/* ============================================
   Icon Animations
   ============================================ */
.icon-bounce {
  transition: all var(--transition-slow);
}

.icon-pulse {
  animation: iconPulse 2s ease-in-out infinite;
}

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

.icon-spin {
  animation: iconSpin 8s linear infinite;
}

@keyframes iconSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ============================================
   Before-After Slider - Premium
   ============================================ */
.before-after-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  user-select: none;
  cursor: ew-resize;
}

.before-container {
  position: absolute;
  inset: 0;
  z-index: 10;
  overflow: hidden;
  pointer-events: none;
}

.slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 4px;
  background: white;
  z-index: 20;
  cursor: ew-resize;
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.6), 0 0 60px rgba(173, 198, 255, 0.4);
  transition: box-shadow var(--transition-base);
}

.slider-handle:hover {
  box-shadow: 0 0 40px rgba(255, 255, 255, 0.8), 0 0 80px rgba(173, 198, 255, 0.6);
}

.slider-handle-knob {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-surface);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), var(--shadow-inner);
  transition: all var(--transition-bounce);
}

.slider-handle-knob:hover {
  transform: translate(-50%, -50%) scale(1.15);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(173, 198, 255, 0.5);
}

.slider-handle.dragging .slider-handle-knob {
  transform: translate(-50%, -50%) scale(0.95);
}

/* ============================================
   Floating Animation
   ============================================ */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(2deg); }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-float-delayed {
  animation: float 6s ease-in-out infinite;
  animation-delay: 1s;
}

/* ============================================
   Slow Spin Animation
   ============================================ */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-spin-slow {
  animation: spin 20s linear infinite;
}

.animate-spin-slow-reverse {
  animation: spin 25s linear infinite reverse;
}

/* ============================================
   Pulse Animation
   ============================================ */
@keyframes pulse {
  0%, 100% { opacity: 0.15; transform: scale(1); }
  50% { opacity: 0.25; transform: scale(1.05); }
}

.animate-pulse-slow {
  animation: pulse 6s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ============================================
   Drift Animation
   ============================================ */
@keyframes drift {
  0% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(30px, -30px) rotate(180deg); }
  100% { transform: translate(0, 0) rotate(360deg); }
}

.animate-drift {
  animation: drift 25s ease-in-out infinite;
}

/* ============================================
   Loading Spinner
   ============================================ */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(173, 198, 255, 0.2);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* ============================================
   Tooltip - Premium
   ============================================ */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding: 0.5rem 0.875rem;
  background: var(--color-surface-container-high);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(10px);
}

.tooltip:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(-4px);
}

/* ============================================
   Badge Components
   ============================================ */
.dlss-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: rgba(118, 185, 0, 0.15);
  border: 1px solid rgba(118, 185, 0, 0.4);
  color: var(--color-nvidia);
  transition: all var(--transition-base);
}

.dlss-badge:hover {
  background: rgba(118, 185, 0, 0.25);
  box-shadow: var(--shadow-glow-nvidia);
}

.fsr-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: rgba(237, 28, 36, 0.15);
  border: 1px solid rgba(237, 28, 36, 0.4);
  color: var(--color-amd);
  transition: all var(--transition-base);
}

.fsr-badge:hover {
  background: rgba(237, 28, 36, 0.25);
  box-shadow: var(--shadow-glow-amd);
}

.topaz-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: rgba(0, 168, 107, 0.15);
  border: 1px solid rgba(0, 168, 107, 0.4);
  color: var(--color-topaz);
  transition: all var(--transition-base);
}

.topaz-badge:hover {
  background: rgba(0, 168, 107, 0.25);
  box-shadow: 0 0 30px rgba(0, 168, 107, 0.4);
}

/* ============================================
   Upload Zone - Premium
   ============================================ */
.upload-zone {
  position: relative;
  border: 2px dashed rgba(173, 198, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: 3rem;
  background: rgba(173, 198, 255, 0.02);
  cursor: pointer;
  transition: all var(--transition-base);
  overflow: hidden;
}

.upload-zone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(173, 198, 255, 0.1),
    transparent 40%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
}

.upload-zone:hover {
  border-color: rgba(173, 198, 255, 0.5);
  background: rgba(173, 198, 255, 0.05);
  transform: scale(1.02);
}

.upload-zone:hover::before {
  opacity: 1;
}

.upload-zone.dragover {
  border-color: var(--color-primary);
  background: rgba(173, 198, 255, 0.1);
  transform: scale(1.03);
}

/* ============================================
   Version Card - Premium
   ============================================ */
.version-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all var(--transition-slow);
}

.version-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.version-card:hover {
  transform: translateY(-6px) scale(1.02);
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(173, 198, 255, 0.3);
  box-shadow: var(--shadow-card-hover);
}

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

.version-card.dlss-5 {
  background: linear-gradient(135deg, rgba(118, 185, 0, 0.15) 0%, rgba(0, 168, 107, 0.08) 100%);
  border: 1px solid rgba(118, 185, 0, 0.4);
}

/* ============================================
   Chart Container
   ============================================ */
.chart-container {
  position: relative;
  width: 100%;
  height: 300px;
}

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--color-on-surface);
  cursor: pointer;
  padding: 0.5rem;
  transition: transform var(--transition-base);
}

.mobile-menu-btn:hover {
  transform: scale(1.1);
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 360px;
  height: 100vh;
  background: rgba(13, 13, 13, 0.98);
  backdrop-filter: blur(40px) saturate(180%);
  z-index: 999;
  padding: 6rem 2rem 2rem;
  transition: right var(--transition-slow);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.mobile-menu-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu a {
  display: block;
  padding: 1rem 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-on-surface);
  text-decoration: none;
  transition: all var(--transition-base);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-menu a:hover {
  color: var(--color-primary);
  padding-left: 1rem;
}

/* ============================================
   Processing Button
   ============================================ */
.processing-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--color-on-surface);
  cursor: pointer;
  transition: all var(--transition-base);
}

.processing-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(173, 198, 255, 0.3);
  transform: translateY(-4px);
}

.processing-btn.active {
  background: rgba(118, 185, 0, 0.2);
  border-color: rgba(118, 185, 0, 0.5);
  box-shadow: var(--shadow-glow-nvidia);
}

/* ============================================
   Progress Bar
   ============================================ */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-primary);
  z-index: 1001;
  width: 0%;
  transition: width 0.1s ease-out;
  box-shadow: 0 0 20px rgba(173, 198, 255, 0.5);
}

/* ============================================
   Section Divider
   ============================================ */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(173, 198, 255, 0.2) 50%, 
    transparent 100%
  );
  margin: 4rem 0;
}

/* ============================================
   Feature Icon Box
   ============================================ */
.feature-icon-box {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(173, 198, 255, 0.1);
  border: 1px solid rgba(173, 198, 255, 0.2);
  transition: all var(--transition-slow);
}

.feature-icon-box:hover {
  transform: scale(1.1) rotate(5deg);
  background: rgba(173, 198, 255, 0.2);
  border-color: rgba(173, 198, 255, 0.4);
  box-shadow: 0 0 40px rgba(173, 198, 255, 0.4);
}

/* ============================================
   Stat Card
   ============================================ */
.stat-card {
  position: relative;
  padding: 2rem;
  border-radius: var(--radius-2xl);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all var(--transition-slow);
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-slow);
}

.stat-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(173, 198, 255, 0.3);
  box-shadow: var(--shadow-card-hover);
}

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

/* ============================================
   Responsive Utilities
   ============================================ */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  
  .desktop-nav {
    display: none;
  }
  
  .glass-card:hover {
    transform: translateY(-4px) scale(1);
  }
  
  :root {
    --section-padding: 4rem;
  }
}

/* ============================================
   Focus States for Accessibility
   ============================================ */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

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

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .navbar,
  .mobile-menu,
  .parallax-bg,
  .particle,
  .glow-orb {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .glass-card {
    background: white;
    border: 1px solid #ddd;
    box-shadow: none;
  }
}