/* Ultra Modern CSS 2025 Pro Edition */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  /* Enhanced Color System */
  --primary-50: #f5f3ff;
  --primary-100: #ede9fe;
  --primary-200: #ddd6fe;
  --primary-300: #c4b5fd;
  --primary-400: #a78bfa;
  --primary-500: #8b5cf6;
  --primary-600: #7c3aed;
  --primary-700: #6d28d9;
  --primary-800: #5b21b6;
  --primary-900: #4c1d95;
  
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-fuchsia: #d946ef;
  
  /* Advanced Dark Theme */
  --bg-base: #050505;
  --bg-elevated-1: #0a0a0f;
  --bg-elevated-2: #111118;
  --bg-elevated-3: #1a1a24;
  --bg-elevated-4: #232332;
  --bg-elevated-5: #2d2d40;
  
  --surface-glass: rgba(17, 17, 24, 0.6);
  --surface-glass-hover: rgba(26, 26, 36, 0.8);
  
  --text-primary: #fafafa;
  --text-secondary: #e4e4e7;
  --text-tertiary: #a1a1aa;
  --text-muted: #71717a;
  --text-disabled: #52525b;
  
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.18);
  --border-accent: rgba(139, 92, 246, 0.3);
  
  /* Fluid Spacing System */
  --space-3xs: clamp(0.25rem, 0.23rem + 0.11vw, 0.31rem);
  --space-2xs: clamp(0.5rem, 0.46rem + 0.22vw, 0.63rem);
  --space-xs: clamp(0.75rem, 0.68rem + 0.33vw, 0.94rem);
  --space-sm: clamp(1rem, 0.91rem + 0.43vw, 1.25rem);
  --space-md: clamp(1.5rem, 1.37rem + 0.65vw, 1.88rem);
  --space-lg: clamp(2rem, 1.83rem + 0.87vw, 2.5rem);
  --space-xl: clamp(3rem, 2.74rem + 1.3vw, 3.75rem);
  --space-2xl: clamp(4rem, 3.65rem + 1.74vw, 5rem);
  --space-3xl: clamp(6rem, 5.48rem + 2.61vw, 7.5rem);
  
  /* Advanced Border Radius */
  --radius-xs: 0.375rem;
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-2xl: 1.75rem;
  --radius-3xl: 2.5rem;
  --radius-full: 9999px;
  
  /* Sophisticated Transitions */
  --ease-elastic: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-emphasized: cubic-bezier(0.2, 0, 0, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  
  --transition-instant: 100ms var(--ease-smooth);
  --transition-fast: 200ms var(--ease-smooth);
  --transition-base: 300ms var(--ease-smooth);
  --transition-slow: 500ms var(--ease-emphasized);
  --transition-slower: 700ms var(--ease-emphasized);
  
  /* Modern Shadows */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.2);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.4), 0 8px 10px -6px rgb(0 0 0 / 0.3);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.5);
  
  --shadow-glow-violet: 0 0 30px -5px rgba(139, 92, 246, 0.5);
  --shadow-glow-cyan: 0 0 30px -5px rgba(6, 182, 212, 0.5);
  --shadow-glow-emerald: 0 0 30px -5px rgba(16, 185, 129, 0.5);
  
  /* Typography Scale */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Outfit', var(--font-primary);
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  
  --font-size-xs: clamp(0.75rem, 0.73rem + 0.11vw, 0.81rem);
  --font-size-sm: clamp(0.875rem, 0.85rem + 0.13vw, 0.94rem);
  --font-size-base: clamp(1rem, 0.96rem + 0.22vw, 1.13rem);
  --font-size-lg: clamp(1.125rem, 1.07rem + 0.28vw, 1.31rem);
  --font-size-xl: clamp(1.25rem, 1.18rem + 0.33vw, 1.5rem);
  --font-size-2xl: clamp(1.5rem, 1.37rem + 0.65vw, 1.88rem);
  --font-size-3xl: clamp(1.875rem, 1.68rem + 0.98vw, 2.44rem);
  --font-size-4xl: clamp(2.25rem, 1.96rem + 1.41vw, 3.06rem);
  --font-size-5xl: clamp(3rem, 2.52rem + 2.39vw, 4.5rem);
  
  /* Container Queries */
  --container-xs: 20rem;
  --container-sm: 24rem;
  --container-md: 28rem;
  --container-lg: 32rem;
  --container-xl: 36rem;
  --container-2xl: 42rem;
  --container-3xl: 48rem;
  --container-4xl: 56rem;
  --container-5xl: 64rem;
  --container-6xl: 72rem;
  --container-7xl: 80rem;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 2rem;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@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;
  }
}

body {
  font-family: var(--font-primary);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
}

/* Sophisticated Background System */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse 100% 60% at 25% 30%, rgba(139, 92, 246, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse 80% 80% at 75% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 55%),
    radial-gradient(ellipse 90% 70% at 50% 85%, rgba(217, 70, 239, 0.06) 0%, transparent 60%),
    radial-gradient(circle at 30% 70%, rgba(16, 185, 129, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
  animation: ambientFlow 25s ease-in-out infinite alternate;
  will-change: transform, opacity;
}

@keyframes ambientFlow {
  0% { 
    opacity: 0.5; 
    transform: scale(1) rotate(0deg) translateY(0);
    filter: blur(40px);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.15) rotate(2deg) translateY(-10px);
    filter: blur(50px);
  }
  100% { 
    opacity: 0.6; 
    transform: scale(1.08) rotate(-2deg) translateY(5px);
    filter: blur(45px);
  }
}

/* Advanced Grid Overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: 
    repeating-linear-gradient(0deg, 
      rgba(139, 92, 246, 0.025) 0px, 
      transparent 1px, 
      transparent 80px),
    repeating-linear-gradient(90deg, 
      rgba(139, 92, 246, 0.025) 0px, 
      transparent 1px, 
      transparent 80px);
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 90% 70% at center, black 30%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at center, black 30%, transparent 85%);
}

/* Ultra Modern Glass Card */
.glass-card {
  background: linear-gradient(135deg, 
    var(--surface-glass) 0%, 
    rgba(26, 26, 36, 0.4) 100%);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-2xl);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
  isolation: isolate;
}

.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, 
    rgba(139, 92, 246, 0.08) 0%, 
    rgba(6, 182, 212, 0.04) 50%,
    rgba(217, 70, 239, 0.06) 100%);
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
  z-index: -1;
}

.glass-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  background: linear-gradient(135deg, 
    rgba(139, 92, 246, 0.3), 
    rgba(6, 182, 212, 0.2),
    rgba(217, 70, 239, 0.25));
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
  z-index: -2;
  filter: blur(8px);
}

.glass-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: var(--border-accent);
  box-shadow: 
    var(--shadow-2xl),
    var(--shadow-glow-violet),
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    inset 0 -1px 0 rgba(255, 255, 255, 0.05);
  background: var(--surface-glass-hover);
}

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

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

/* Premium Navigation Link */
.nav-link {
  color: var(--text-tertiary);
  text-decoration: none;
  padding: var(--space-2xs) var(--space-md);
  border-radius: var(--radius-lg);
  font-weight: 500;
  font-size: var(--font-size-sm);
  position: relative;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  isolation: isolate;
  letter-spacing: -0.01em;
}

.nav-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, 
    rgba(139, 92, 246, 0.12), 
    rgba(6, 182, 212, 0.08));
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: -1;
}

.nav-link:hover {
  color: var(--text-primary);
  transform: translateY(-2px);
  text-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}

.nav-link:hover::before {
  opacity: 1;
}

.nav-link.active {
  color: var(--text-primary);
  background: linear-gradient(135deg, 
    rgba(139, 92, 246, 0.2), 
    rgba(6, 182, 212, 0.15));
  box-shadow: 
    inset 0 1px 0 rgba(255, 255, 255, 0.15),
    0 4px 16px rgba(139, 92, 246, 0.4),
    0 0 0 1px rgba(139, 92, 246, 0.2);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 3px;
  background: linear-gradient(90deg, 
    transparent,
    var(--primary-400), 
    var(--accent-cyan),
    transparent);
  border-radius: var(--radius-full);
  box-shadow: 0 0 16px var(--primary-400);
  animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 1; }
}

/* Enhanced Social Icon */
.social-icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, 
    var(--bg-elevated-3), 
    var(--bg-elevated-2));
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-xl);
  color: var(--primary-400);
  font-size: 1.5rem;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  isolation: isolate;
}

.social-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, 
    var(--primary-600), 
    var(--accent-cyan));
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.social-icon::after {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, 
    var(--primary-400), 
    var(--accent-cyan));
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -2;
  filter: blur(12px);
}

.social-icon:hover {
  border-color: var(--primary-400);
  transform: translateY(-10px) scale(1.15) rotate(8deg);
  box-shadow: 
    0 25px 50px rgba(139, 92, 246, 0.5),
    0 0 0 6px rgba(139, 92, 246, 0.15),
    inset 0 0 40px rgba(255, 255, 255, 0.15);
  color: white;
}

.social-icon:hover::before {
  opacity: 1;
}

.social-icon:hover::after {
  opacity: 1;
}

.social-icon:active {
  transform: translateY(-8px) scale(1.1) rotate(5deg);
}

.social-icon > * {
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* Premium Stat/Skill Card */
.stat-card,
.skill-card {
  background: linear-gradient(135deg, 
    var(--bg-elevated-3) 0%, 
    var(--bg-elevated-2) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  isolation: isolate;
}

.stat-card::before,
.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, 
    transparent, 
    var(--primary-400), 
    var(--accent-cyan),
    var(--accent-fuchsia),
    transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.stat-card::after,
.skill-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, 
    rgba(139, 92, 246, 0.08), 
    transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.stat-card:hover,
.skill-card:hover {
  background: linear-gradient(135deg, 
    var(--bg-elevated-4) 0%, 
    var(--bg-elevated-3) 100%);
  border-color: var(--border-accent);
  transform: translateY(-12px) scale(1.05);
  box-shadow: 
    var(--shadow-2xl),
    var(--shadow-glow-violet),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.stat-card:hover::before,
.skill-card:hover::before {
  opacity: 1;
  animation: shimmerSlide 2s ease-in-out infinite;
}

.stat-card:hover::after,
.skill-card:hover::after {
  opacity: 1;
}

@keyframes shimmerSlide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Ultra Modern Button */
button,
.button {
  background: linear-gradient(135deg, 
    var(--primary-600), 
    var(--accent-cyan));
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-sm) var(--space-lg);
  color: white;
  font-weight: 600;
  font-size: var(--font-size-base);
  font-family: var(--font-primary);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: 
    0 10px 25px rgba(139, 92, 246, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  isolation: isolate;
  letter-spacing: -0.01em;
}

button::before,
.button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.25), 
    transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

button::after,
.button::after {
  content: '';
  position: absolute;
  inset: -2px;
  background: inherit;
  opacity: 0;
  filter: blur(16px);
  transition: opacity var(--transition-base);
  z-index: -1;
}

button:hover,
.button:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 
    0 25px 50px rgba(139, 92, 246, 0.5),
    0 0 0 6px rgba(139, 92, 246, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

button:hover::before,
.button:hover::before {
  opacity: 1;
}

button:hover::after,
.button:hover::after {
  opacity: 0.8;
}

button:active,
.button:active {
  transform: translateY(-2px) scale(1.02);
  transition: all var(--transition-instant);
}

button:disabled,
.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Advanced Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, 
    var(--primary-400) 0%, 
    var(--accent-cyan) 35%,
    var(--accent-fuchsia) 70%,
    var(--accent-emerald) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  letter-spacing: -0.03em;
  animation: gradientShift 8s ease-in-out infinite;
  filter: drop-shadow(0 0 20px rgba(139, 92, 246, 0.3));
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Enhanced Loading State */
.loading {
  opacity: 0.6;
  position: relative;
  overflow: hidden;
  pointer-events: none;
}

.loading::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(139, 92, 246, 0.4), 
    rgba(6, 182, 212, 0.3),
    transparent);
  transform: translateX(-100%);
  animation: shimmer 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(200%); }
}

/* Modern Animations */
.animate-fade-in {
  animation: fadeIn 0.8s var(--ease-emphasized) forwards;
}

.animate-slide-up {
  animation: slideUp 1s var(--ease-emphasized) forwards;
}

.animate-scale-in {
  animation: scaleIn 0.6s var(--ease-bounce) forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.96);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(60px) scale(0.92);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8) rotate(-5deg);
  }
  to {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 14px;
  height: 14px;
}

::-webkit-scrollbar-track {
  background: var(--bg-elevated-2);
  border-left: 1px solid var(--border-subtle);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, 
    var(--primary-600), 
    var(--accent-cyan));
  border-radius: 8px;
  border: 3px solid var(--bg-elevated-2);
  transition: all var(--transition-base);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, 
    var(--primary-500), 
    var(--accent-cyan));
  box-shadow: 
    0 0 20px var(--primary-400),
    inset 0 0 10px rgba(255, 255, 255, 0.2);
  border-width: 2px;
}

::-webkit-scrollbar-corner {
  background: var(--bg-elevated-2);
}

/* Focus & Selection States */
*:focus-visible {
  outline: 2px solid var(--primary-400);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.2);
}

::selection {
  background: rgba(139, 92, 246, 0.4);
  color: var(--text-primary);
  text-shadow: none;
}

::-moz-selection {
  background: rgba(139, 92, 246, 0.4);
  color: var(--text-primary);
  text-shadow: none;
}

/* Utility Classes */
.text-balance {
  text-wrap: balance;
}

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

.backdrop-blur-sm {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.backdrop-blur-md {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.backdrop-blur-lg {
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

/* Responsive Design */
@media (max-width: 1024px) {
  html {
    font-size: 15px;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .glass-card {
    border-radius: var(--radius-xl);
  }
  
  .stat-card,
  .skill-card {
    padding: var(--space-md);
  }
  
  .social-icon {
    width: 56px;
    height: 56px;
    font-size: 1.3rem;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 13px;
  }
  
  .nav-link {
    padding: var(--space-3xs) var(--space-sm);
  }
  
  button,
  .button {
    padding: var(--space-