@import url("https://fonts.googleapis.com/css2?family=Inter:wght@100..900&family=VT323&display=swap");

:root {
  /* Color System */
  --neon-color-primary: #00ffff;
  --neon-color-secondary: #ff00ff;
  --dark-bg: #030308;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --gray-950: #0f172a;
  --cyan-400: #22d3ee;
  --fuchsia-300: #f0abfc;
  --fuchsia-400: #e879f9;
  --green-500: #10b981;
  --yellow-400: #fbbf24;

  /* Typography */
  --font-family-sans: "Inter", sans-serif;
  --font-family-mono: "VT323", monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Spacing */
  --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;

  /* Border Radius */
  --border-radius-sm: 0.125rem;
  --border-radius-base: 0.25rem;
  --border-radius-md: 0.375rem;
  --border-radius-lg: 0.5rem;
  --border-radius-xl: 0.75rem;
  --border-radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --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);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;

  /* Z-Index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;

  /* Component Specific */
  --neon-glow-intensity: 0.4;
  --skill-bar-height: 20px;
  --project-card-padding: var(--space-6);
  
  /* Additional Border Widths */
  --border-width-0: 0;
  --border-width-1: 1px;
  --border-width-2: 2px;
  --border-width-4: 4px;
  --border-width-8: 8px;

  /* Animation Durations */
  --duration-150: 150ms;
  --duration-300: 300ms;
  --duration-500: 500ms;
  --duration-700: 700ms;
  --duration-1000: 1000ms;
  --duration-1500: 1500ms;
  --duration-2000: 2000ms;
  --duration-4000: 4000ms;

  /* Neon Shadow Variants */
  --shadow-neon-primary: 0 0 5px var(--neon-color-primary);
  --shadow-neon-secondary: 0 0 5px var(--neon-color-secondary);
  --shadow-neon-xl: 0 0 20px var(--neon-color-primary), 0 0 40px var(--neon-color-primary);

  /* Opacity Scale */
  --opacity-0: 0;
  --opacity-10: 0.1;
  --opacity-20: 0.2;
  --opacity-30: 0.3;
  --opacity-40: 0.4;
  --opacity-50: 0.5;
  --opacity-60: 0.6;
  --opacity-70: 0.7;
  --opacity-80: 0.8;
  --opacity-90: 0.9;
  --opacity-100: 1;
  --opacity-95: 0.95;
  --opacity-99: 0.99;

  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;
  
  /* Layout & Positioning */
  --hero-image-rotation: 3deg;
  --hero-image-margin-right: -10%;
  --hero-image-margin-bottom: -50px;
  
  /* Progress Bar Widths */
  --progress-90: 90%;
  --progress-85: 85%;
  --progress-95: 95%;
  --progress-88: 88%;
  --progress-80: 80%;
  --progress-98: 98%;
}
body {
  font-family: var(--font-family-sans);
  background-color: var(--dark-bg);
  color: var(--gray-100);
}

.terminal-font {
  font-family: var(--font-family-mono);
  font-weight: var(--font-weight-normal);
  text-transform: uppercase;
}

.neon-text-shadow-primary {
  text-shadow: 
    0 0 4px var(--neon-color-primary),
    0 0 10px rgba(0, 255, 255, var(--neon-glow-intensity));
}

.neon-border-glow-primary {
  box-shadow: 
    0 0 5px var(--neon-color-primary),
    inset 0 0 5px var(--neon-color-primary);
  border-color: var(--neon-color-primary);
}

.neon-text-shadow-secondary {
  text-shadow: 
    0 0 4px var(--neon-color-secondary),
    0 0 10px rgba(255, 0, 255, var(--neon-glow-intensity));
}

.neon-border-glow-secondary {
  box-shadow: 
    0 0 5px var(--neon-color-secondary),
    inset 0 0 5px var(--neon-color-secondary);
  border-color: var(--neon-color-secondary);
}

.glitch-text {
  position: relative;
  animation: glitch var(--duration-4000) linear infinite;
}

@keyframes glitch {
  0%,
  50.1%,
  100% {
    transform: translate(0);
    text-shadow: none;
    opacity: 1;
  }
  10% {
    transform: translate(1px, -1px);
    text-shadow: 1px 1px 0px var(--neon-color-secondary),
      -1px -1px 0px var(--neon-color-primary);
    opacity: var(--opacity-95);
  }
  20% {
    transform: translate(-1px, 1px);
    text-shadow: -1px -1px 0px var(--neon-color-primary),
      1px 1px 0px var(--neon-color-secondary);
    opacity: var(--opacity-90);
  }
  30% {
    transform: translate(0);
    text-shadow: none;
    opacity: 1;
  }
  30% {
    transform: translate(2px, -2px);
    text-shadow: 2px 2px 0px var(--neon-color-secondary);
    opacity: var(--opacity-95);
  }
  50% {
    transform: translate(0);
    text-shadow: none;
    opacity: 1;
  }
  50.01% {
    opacity: var(--opacity-99);
  }
}

.blinking-cursor {
  font-weight: var(--font-weight-light);
  opacity: 1;
  animation: cursor-blink var(--duration-1000) steps(2, start) infinite;
}

@keyframes cursor-blink {
  0% {
    opacity: 0;
  }
}

.neon-button {
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  color: var(--neon-color-primary);
  border: var(--border-width-2) solid var(--neon-color-primary);
  text-shadow: 0 0 4px var(--neon-color-primary);
  padding: var(--space-4) var(--space-12);
  border-radius: var(--border-radius-lg);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: var(--font-size-sm);
}

.neon-button:hover {
  background-color: var(--neon-color-primary);
  color: var(--dark-bg);
  box-shadow: 
    0 0 25px var(--neon-color-primary),
    0 0 50px rgba(0, 255, 255, 0.5);
  transform: translateY(-2px);
}

@media (max-width: 640px) {
  .section-padding {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
}

.loose-cut-effect {
  transition: all var(--transition-slow);
  z-index: 0;
  pointer-events: none;
  mix-blend-mode: normal;
  /* Sticker effect - remove rectangular boundaries */
  border-radius: 0;
  overflow: visible;
  /* Try to blend/mask the background */
  mask-mode: alpha;
  -webkit-mask-mode: alpha;
}

.img-professional {
  /* Subtle glow effect - much less intense */
  filter: 
    drop-shadow(0 0 8px rgba(0, 255, 255, 0.3))
    drop-shadow(0 0 15px rgba(0, 255, 255, 0.15))
    contrast(1.05)
    brightness(1.02);
  opacity: var(--opacity-40);
}

.loose-cut-effect:hover {
  opacity: var(--opacity-60);
  transform: rotate(0deg) scale(1.01) !important;
  /* Subtle hover glow effect */
  filter: 
    drop-shadow(0 0 12px rgba(0, 255, 255, 0.4))
    drop-shadow(0 0 20px rgba(0, 255, 255, 0.2));
}

.skill-bar-item {
  margin-bottom: var(--space-4);
}

.skill-bar-container {
  position: relative;
  background-color: var(--gray-800);
  height: var(--skill-bar-height);
  border-radius: var(--border-radius-base);
  overflow: hidden;
  margin-bottom: var(--space-1);
}

.skill-bar {
  height: 100%;
  background-color: var(--neon-color-primary);
  transition: width var(--duration-1000) ease-out;
  box-shadow: var(--shadow-neon-primary);
  position: relative;
}

.skill-level-label {
  position: absolute;
  right: var(--space-1);
  top: 0;
  line-height: var(--skill-bar-height);
  font-size: var(--font-size-xs);
  color: var(--dark-bg);
  font-weight: var(--font-weight-bold);
  text-shadow: none;
  z-index: 10;
}

.skill-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius-full);
  font-family: var(--font-family-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: #701a75;
  color: var(--fuchsia-300);
  border: var(--border-width-1) solid rgba(232, 121, 249, var(--opacity-50));
  transition: background-color var(--transition-base);
}

.skill-tag:hover {
  background-color: #a21caf;
  transform: translateY(-1px);
}

/* Contact Form Styles */
.contact-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background-color: var(--gray-800);
  border: var(--border-width-1) solid var(--gray-700);
  border-radius: var(--border-radius-md);
  color: var(--gray-100);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  transition: var(--transition-base);
}

.contact-input:focus {
  outline: none;
  border-color: var(--cyan-400);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.1);
  background-color: var(--gray-700);
}

.contact-input::placeholder {
  color: var(--gray-500);
}

/* Contact form validation - only show errors after user interaction */
.contact-input.touched:invalid,
.contact-input.error {
  border-color: #ef4444;
}

.contact-input.touched:valid {
  border-color: #10b981;
}

/* Subtle Glow Effect for Submit Button */
.neon-glow {
  box-shadow: 
    0 0 2px rgba(34, 211, 238, 0.3),
    0 0 4px rgba(34, 211, 238, 0.2);
}

.neon-glow:hover {
  box-shadow: 
    0 0 4px rgba(34, 211, 238, 0.4),
    0 0 8px rgba(34, 211, 238, 0.3);
}

.project-card {
  padding: var(--project-card-padding);
  border-radius: var(--border-radius-lg);
  border: var(--border-width-1) solid rgba(34, 211, 238, var(--opacity-30));
  background-color: var(--gray-950);
  transition: 
    box-shadow var(--transition-base), 
    background-color var(--transition-base),
    transform var(--transition-base);
}

.project-card:hover {
  box-shadow: 
    0 20px 25px -5px rgba(14, 116, 144, 0.4),
    0 8px 10px -6px rgba(14, 116, 144, 0.4);
  transform: translateY(-4px);
}

.project-link {
  color: var(--cyan-400);
  text-shadow: 
    0 0 4px var(--neon-color-primary),
    0 0 10px rgba(0, 255, 255, var(--neon-glow-intensity));
  transition: color var(--transition-base);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  text-decoration: none;
}

.project-link:hover {
  color: #f472b6;
}

.project-link-secondary {
  color: #f472b6;
  text-shadow: 
    0 0 4px var(--neon-color-secondary),
    0 0 10px rgba(255, 0, 255, var(--neon-glow-intensity));
  transition: color var(--transition-base);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  text-decoration: none;
}

.project-link-secondary:hover {
  color: var(--cyan-400);
}

/* Accessibility Improvements */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.focus\:not-sr-only:focus {
  position: static;
  width: auto;
  height: auto;
  padding: inherit;
  margin: inherit;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* Focus styles */
*:focus {
  outline: 2px solid var(--neon-color-primary);
  outline-offset: 2px;
}

button:focus,
a:focus {
  outline: 2px solid var(--neon-color-primary);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .glitch-text {
    animation: none;
  }
  
  .blinking-cursor {
    animation: none;
    opacity: 1;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --neon-glow-intensity: 0.8;
  }
  
  .neon-text-shadow-primary,
  .neon-text-shadow-secondary {
    text-shadow: none;
    text-decoration: underline;
  }
}

/* Utility Classes for Content/Logic Separation */
.hero-image-position {
  transform: rotate(var(--hero-image-rotation));
  margin-right: var(--hero-image-margin-right);
  margin-bottom: var(--hero-image-margin-bottom);
}

.progress-bar-90 {
  width: var(--progress-90);
}

.progress-bar-85 {
  width: var(--progress-85);
}

.progress-bar-95 {
  width: var(--progress-95);
}

.progress-bar-88 {
  width: var(--progress-88);
}

.progress-bar-80 {
  width: var(--progress-80);
}

.progress-bar-98 {
  width: var(--progress-98);
}

/* Component Classes for better separation */
.language-selector {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.language-button {
  padding: var(--space-1) var(--space-2);
  border-radius: var(--border-radius-base);
  transition: color var(--transition-base);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
}

.language-button:focus {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

.nav-link {
  padding: var(--space-1) var(--space-2);
  border-radius: var(--border-radius-base);
  transition: color var(--transition-base);
  text-decoration: none;
}

.nav-link:focus {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

.mobile-nav-link {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  transition: background-color var(--transition-base);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus {
  background-color: var(--gray-800);
  outline: none;
}