:root {
  /* Primitive Color Tokens */
  --color-white: rgba(255, 255, 255, 1);
  --color-black: rgba(0, 0, 0, 1);
  --color-cream-50: rgba(252, 252, 249, 1);
  --color-cream-100: rgba(255, 255, 253, 1);
  --color-gray-200: rgba(245, 245, 245, 1);
  --color-gray-300: rgba(167, 169, 169, 1);
  --color-gray-400: rgba(119, 124, 124, 1);
  --color-slate-500: rgba(98, 108, 113, 1);
  --color-brown-600: rgba(94, 82, 64, 1);
  --color-charcoal-700: rgba(31, 33, 33, 1);
  --color-charcoal-800: rgba(38, 40, 40, 1);
  --color-slate-900: rgba(19, 52, 59, 1);
  --color-teal-300: rgba(50, 184, 198, 1);
  --color-teal-400: rgba(45, 166, 178, 1);
  --color-teal-500: rgba(33, 128, 141, 1);
  --color-teal-600: rgba(29, 116, 128, 1);
  --color-teal-700: rgba(26, 104, 115, 1);
  --color-teal-800: rgba(41, 150, 161, 1);
  --color-red-400: rgba(255, 84, 89, 1);
  --color-red-500: rgba(192, 21, 47, 1);
  --color-orange-400: rgba(230, 129, 97, 1);
  --color-orange-500: rgba(168, 75, 47, 1);

  /* RGB versions for opacity control */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;
  --color-slate-500-rgb: 98, 108, 113;
  --color-red-500-rgb: 192, 21, 47;
  --color-red-400-rgb: 255, 84, 89;
  --color-orange-500-rgb: 168, 75, 47;
  --color-orange-400-rgb: 230, 129, 97;

  /* Background color tokens (Light Mode) */
  --color-bg-1: rgba(59, 130, 246, 0.08); /* Light blue */
  --color-bg-2: rgba(245, 158, 11, 0.08); /* Light yellow */
  --color-bg-3: rgba(34, 197, 94, 0.08); /* Light green */
  --color-bg-4: rgba(239, 68, 68, 0.08); /* Light red */
  --color-bg-5: rgba(147, 51, 234, 0.08); /* Light purple */
  --color-bg-6: rgba(249, 115, 22, 0.08); /* Light orange */
  --color-bg-7: rgba(236, 72, 153, 0.08); /* Light pink */
  --color-bg-8: rgba(6, 182, 212, 0.08); /* Light cyan */

  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
  --color-select-caret: rgba(var(--color-slate-900-rgb), 0.8);

  /* Common style patterns */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for opacity control */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;

  /* Typography */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
    Monaco, Consolas, monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 550;
  --font-weight-bold: 600;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --letter-spacing-tight: -0.01em;

  /* Spacing */
  --space-0: 0;
  --space-1: 1px;
  --space-2: 2px;
  --space-4: 4px;
  --space-6: 6px;
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
    0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
    0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
    inset 0 -1px 0 rgba(0, 0, 0, 0.03);

  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
}

/* Dark mode colors */
@media (prefers-color-scheme: dark) {
  :root {
    /* RGB versions for opacity control (Dark Mode) */
    --color-gray-400-rgb: 119, 124, 124;
    --color-teal-300-rgb: 50, 184, 198;
    --color-gray-300-rgb: 167, 169, 169;
    --color-gray-200-rgb: 245, 245, 245;

    /* Background color tokens (Dark Mode) */
    --color-bg-1: rgba(29, 78, 216, 0.15); /* Dark blue */
    --color-bg-2: rgba(180, 83, 9, 0.15); /* Dark yellow */
    --color-bg-3: rgba(21, 128, 61, 0.15); /* Dark green */
    --color-bg-4: rgba(185, 28, 28, 0.15); /* Dark red */
    --color-bg-5: rgba(107, 33, 168, 0.15); /* Dark purple */
    --color-bg-6: rgba(194, 65, 12, 0.15); /* Dark orange */
    --color-bg-7: rgba(190, 24, 93, 0.15); /* Dark pink */
    --color-bg-8: rgba(8, 145, 178, 0.15); /* Dark cyan */
    
    /* Semantic Color Tokens (Dark Mode) */
    --color-background: var(--color-charcoal-700);
    --color-surface: var(--color-charcoal-800);
    --color-text: var(--color-gray-200);
    --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
    --color-primary: var(--color-teal-300);
    --color-primary-hover: var(--color-teal-400);
    --color-primary-active: var(--color-teal-800);
    --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
    --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
    --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
    --color-border: rgba(var(--color-gray-400-rgb), 0.3);
    --color-error: var(--color-red-400);
    --color-success: var(--color-teal-300);
    --color-warning: var(--color-orange-400);
    --color-info: var(--color-gray-300);
    --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
    --color-btn-primary-text: var(--color-slate-900);
    --color-card-border: rgba(var(--color-gray-400-rgb), 0.2);
    --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --button-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
    --color-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
    --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

    /* Common style patterns - updated for dark mode */
    --focus-ring: 0 0 0 3px var(--color-focus-ring);
    --focus-outline: 2px solid var(--color-primary);
    --status-bg-opacity: 0.15;
    --status-border-opacity: 0.25;
    --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

    /* RGB versions for dark mode */
    --color-success-rgb: var(--color-teal-300-rgb);
    --color-error-rgb: var(--color-red-400-rgb);
    --color-warning-rgb: var(--color-orange-400-rgb);
    --color-info-rgb: var(--color-gray-300-rgb);
  }
}

/* Data attribute for manual theme switching */
[data-color-scheme="dark"] {
  /* RGB versions for opacity control (dark mode) */
  --color-gray-400-rgb: 119, 124, 124;
  --color-teal-300-rgb: 50, 184, 198;
  --color-gray-300-rgb: 167, 169, 169;
  --color-gray-200-rgb: 245, 245, 245;

  /* Colorful background palette - Dark Mode */
  --color-bg-1: rgba(29, 78, 216, 0.15); /* Dark blue */
  --color-bg-2: rgba(180, 83, 9, 0.15); /* Dark yellow */
  --color-bg-3: rgba(21, 128, 61, 0.15); /* Dark green */
  --color-bg-4: rgba(185, 28, 28, 0.15); /* Dark red */
  --color-bg-5: rgba(107, 33, 168, 0.15); /* Dark purple */
  --color-bg-6: rgba(194, 65, 12, 0.15); /* Dark orange */
  --color-bg-7: rgba(190, 24, 93, 0.15); /* Dark pink */
  --color-bg-8: rgba(8, 145, 178, 0.15); /* Dark cyan */
  
  /* Semantic Color Tokens (Dark Mode) */
  --color-background: var(--color-charcoal-700);
  --color-surface: var(--color-charcoal-800);
  --color-text: var(--color-gray-200);
  --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
  --color-primary: var(--color-teal-300);
  --color-primary-hover: var(--color-teal-400);
  --color-primary-active: var(--color-teal-800);
  --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
  --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
  --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
  --color-border: rgba(var(--color-gray-400-rgb), 0.3);
  --color-error: var(--color-red-400);
  --color-success: var(--color-teal-300);
  --color-warning: var(--color-orange-400);
  --color-info: var(--color-gray-300);
  --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
  --color-btn-primary-text: var(--color-slate-900);
  --color-card-border: rgba(var(--color-gray-400-rgb), 0.15);
  --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  --color-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
  --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

  /* Common style patterns - updated for dark mode */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for dark mode */
  --color-success-rgb: var(--color-teal-300-rgb);
  --color-error-rgb: var(--color-red-400-rgb);
  --color-warning-rgb: var(--color-orange-400-rgb);
  --color-info-rgb: var(--color-gray-300-rgb);
}

[data-color-scheme="light"] {
  /* RGB versions for opacity control (light mode) */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;
  
  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);

  /* RGB versions for light mode */
  --color-success-rgb: var(--color-teal-500-rgb);
  --color-error-rgb: var(--color-red-500-rgb);
  --color-warning-rgb: var(--color-orange-500-rgb);
  --color-info-rgb: var(--color-slate-500-rgb);
}

/* Base styles */
html {
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  letter-spacing: var(--letter-spacing-tight);
}

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

p {
  margin: 0 0 var(--space-16) 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}

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

code,
pre {
  font-family: var(--font-family-mono);
  font-size: calc(var(--font-size-base) * 0.95);
  background-color: var(--color-secondary);
  border-radius: var(--radius-sm);
}

code {
  padding: var(--space-1) var(--space-4);
}

pre {
  padding: var(--space-16);
  margin: var(--space-16) 0;
  overflow: auto;
  border: 1px solid var(--color-border);
}

pre code {
  background: none;
  padding: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1.5;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  border: none;
  text-decoration: none;
  position: relative;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
}

.btn--primary:active {
  background: var(--color-primary-active);
}

.btn--secondary {
  background: var(--color-secondary);
  color: var(--color-text);
}

.btn--secondary:hover {
  background: var(--color-secondary-hover);
}

.btn--secondary:active {
  background: var(--color-secondary-active);
}

.btn--outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn--outline:hover {
  background: var(--color-secondary);
}

.btn--sm {
  padding: var(--space-4) var(--space-12);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

.btn--lg {
  padding: var(--space-10) var(--space-20);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-md);
}

.btn--full-width {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Form elements */
.form-control {
  display: block;
  width: 100%;
  padding: var(--space-8) var(--space-12);
  font-size: var(--font-size-md);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  transition: border-color var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard);
}

textarea.form-control {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
}

select.form-control {
  padding: var(--space-8) var(--space-12);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: var(--select-caret-light);
  background-repeat: no-repeat;
  background-position: right var(--space-12) center;
  background-size: 16px;
  padding-right: var(--space-32);
}

/* Add a dark mode specific caret */
@media (prefers-color-scheme: dark) {
  select.form-control {
    background-image: var(--select-caret-dark);
  }
}

/* Also handle data-color-scheme */
[data-color-scheme="dark"] select.form-control {
  background-image: var(--select-caret-dark);
}

[data-color-scheme="light"] select.form-control {
  background-image: var(--select-caret-light);
}

.form-control:focus {
  border-color: var(--color-primary);
  outline: var(--focus-outline);
}

.form-label {
  display: block;
  margin-bottom: var(--space-8);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.form-group {
  margin-bottom: var(--space-16);
}

/* Card component */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--duration-normal) var(--ease-standard);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card__body {
  padding: var(--space-16);
}

.card__header,
.card__footer {
  padding: var(--space-16);
  border-bottom: 1px solid var(--color-card-border-inner);
}

/* Status indicators - simplified with CSS variables */
.status {
  display: inline-flex;
  align-items: center;
  padding: var(--space-6) var(--space-12);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.status--success {
  background-color: rgba(
    var(--color-success-rgb, 33, 128, 141),
    var(--status-bg-opacity)
  );
  color: var(--color-success);
  border: 1px solid
    rgba(var(--color-success-rgb, 33, 128, 141), var(--status-border-opacity));
}

.status--error {
  background-color: rgba(
    var(--color-error-rgb, 192, 21, 47),
    var(--status-bg-opacity)
  );
  color: var(--color-error);
  border: 1px solid
    rgba(var(--color-error-rgb, 192, 21, 47), var(--status-border-opacity));
}

.status--warning {
  background-color: rgba(
    var(--color-warning-rgb, 168, 75, 47),
    var(--status-bg-opacity)
  );
  color: var(--color-warning);
  border: 1px solid
    rgba(var(--color-warning-rgb, 168, 75, 47), var(--status-border-opacity));
}

.status--info {
  background-color: rgba(
    var(--color-info-rgb, 98, 108, 113),
    var(--status-bg-opacity)
  );
  color: var(--color-info);
  border: 1px solid
    rgba(var(--color-info-rgb, 98, 108, 113), var(--status-border-opacity));
}

/* Container layout */
.container {
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  padding-right: var(--space-16);
  padding-left: var(--space-16);
}

@media (min-width: 640px) {
  .container {
    max-width: var(--container-sm);
  }
}
@media (min-width: 768px) {
  .container {
    max-width: var(--container-md);
  }
}
@media (min-width: 1024px) {
  .container {
    max-width: var(--container-lg);
  }
}
@media (min-width: 1280px) {
  .container {
    max-width: var(--container-xl);
  }
}

/* Utility classes */
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.items-center {
  align-items: center;
}
.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.gap-4 {
  gap: var(--space-4);
}
.gap-8 {
  gap: var(--space-8);
}
.gap-16 {
  gap: var(--space-16);
}

.m-0 {
  margin: 0;
}
.mt-8 {
  margin-top: var(--space-8);
}
.mb-8 {
  margin-bottom: var(--space-8);
}
.mx-8 {
  margin-left: var(--space-8);
  margin-right: var(--space-8);
}
.my-8 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

.p-0 {
  padding: 0;
}
.py-8 {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}
.px-8 {
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}
.py-16 {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}
.px-16 {
  padding-left: var(--space-16);
  padding-right: var(--space-16);
}

.block {
  display: block;
}
.hidden {
  display: none;
}

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

:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

/* Dark mode specifics */
[data-color-scheme="dark"] .btn--outline {
  border: 1px solid var(--color-border-secondary);
}

@font-face {
  font-family: 'FKGroteskNeue';
  src: url('https://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2')
    format('woff2');
}

/* END PERPLEXITY DESIGN SYSTEM */
:root {
  /* Using design system variables - removing custom color palette */
  /* All color variables now come from design system */
  
  /* Enhanced Gradient Colors using design system colors */
  --gradient-primary: linear-gradient(135deg, var(--color-teal-500) 0%, var(--color-teal-600) 50%, var(--color-teal-700) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-teal-300) 0%, var(--color-teal-400) 50%, var(--color-teal-500) 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-orange-400) 0%, var(--color-orange-500) 50%, var(--color-red-400) 100%);
  --gradient-text: linear-gradient(135deg, var(--color-teal-500) 0%, var(--color-teal-600) 50%, var(--color-teal-700) 100%);
  --gradient-hover: linear-gradient(135deg, var(--color-teal-600) 0%, var(--color-teal-700) 50%, var(--color-teal-800) 100%);
  
  /* Background colors using design system */
  --bg-primary: var(--color-background);
  --bg-secondary: var(--color-surface);
  --bg-tertiary: var(--color-surface);
  --bg-quaternary: var(--color-surface);
  --bg-card: var(--color-surface);
  --bg-glass: rgba(var(--color-brown-600-rgb), 0.05);
  --bg-glass-hover: rgba(var(--color-brown-600-rgb), 0.1);
  
  /* Text colors using design system */
  --text-primary: var(--color-text);
  --text-secondary: var(--color-text-secondary);
  --text-muted: var(--color-text-secondary);
  --text-accent: var(--color-primary);
  
  /* Border colors using design system */
  --border-color: var(--color-border);
  --border-accent: var(--color-border);
  --border-glow: rgba(var(--color-teal-500-rgb), 0.5);
  
  /* Shadows using design system */
  --shadow-sm: var(--shadow-xs);
  --shadow-md: var(--shadow-sm);
  --shadow-lg: var(--shadow-md);
  --shadow-xl: var(--shadow-lg);
  --shadow-glow: 0 0 30px rgba(var(--color-teal-500-rgb), 0.4);
  --shadow-glow-pink: 0 0 30px rgba(var(--color-red-400-rgb), 0.4);
  --shadow-glow-green: 0 0 30px rgba(var(--color-teal-500-rgb), 0.4);
  --shadow-neural: 0 0 50px rgba(var(--color-teal-500-rgb), 0.3);
  
  /* Typography using design system */
  --font-family: var(--font-family-base);
  --font-mono: var(--font-family-mono);
  
  /* Spacing using design system */
  --spacing-xs: var(--space-4);
  --spacing-sm: var(--space-16);
  --spacing-md: var(--space-24);
  --spacing-lg: var(--space-32);
  --spacing-xl: var(--space-32);
  --spacing-2xl: var(--space-32);
  --spacing-3xl: var(--space-32);
  --spacing-4xl: var(--space-32);
  
  /* Transitions using design system */
  --transition-fast: var(--duration-fast) var(--ease-standard);
  --transition-normal: var(--duration-normal) var(--ease-standard);
  --transition-slow: 0.5s var(--ease-standard);
  --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  
  /* Border Radius using design system */
  --radius-sm: var(--radius-base);
  --radius-md: var(--radius-md);
  --radius-lg: var(--radius-lg);
  --radius-xl: var(--radius-lg);
  --radius-2xl: var(--radius-lg);
  --radius-full: var(--radius-full);
}

/* Dark mode overrides */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-glass: rgba(var(--color-gray-400-rgb), 0.05);
    --bg-glass-hover: rgba(var(--color-gray-400-rgb), 0.1);
    --border-glow: rgba(var(--color-teal-300-rgb), 0.5);
    --shadow-glow: 0 0 30px rgba(var(--color-teal-300-rgb), 0.4);
    --shadow-glow-green: 0 0 30px rgba(var(--color-teal-300-rgb), 0.4);
    --shadow-neural: 0 0 50px rgba(var(--color-teal-300-rgb), 0.3);
  }
}

[data-color-scheme="dark"] {
  --bg-glass: rgba(var(--color-gray-400-rgb), 0.05);
  --bg-glass-hover: rgba(var(--color-gray-400-rgb), 0.1);
  --border-glow: rgba(var(--color-teal-300-rgb), 0.5);
  --shadow-glow: 0 0 30px rgba(var(--color-teal-300-rgb), 0.4);
  --shadow-glow-green: 0 0 30px rgba(var(--color-teal-300-rgb), 0.4);
  --shadow-neural: 0 0 50px rgba(var(--color-teal-300-rgb), 0.3);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: var(--line-height-normal);
  overflow-x: hidden;
  position: relative;
  margin: 0;
  padding: 0;
}

/* Animated Background */
.animated-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -10;
  overflow: hidden;
}

.bg-animation {
  position: absolute;
  width: 100%;
  height: 100%;
}

.shape {
  position: absolute;
  opacity: 0.1;
  border-radius: 50%;
  animation: float 20s infinite ease-in-out;
}

.shape-1 {
  width: 300px;
  height: 300px;
  background: var(--gradient-primary);
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.shape-2 {
  width: 200px;
  height: 200px;
  background: var(--gradient-secondary);
  top: 60%;
  right: 10%;
  animation-delay: 5s;
}

.shape-3 {
  width: 150px;
  height: 150px;
  background: var(--gradient-accent);
  bottom: 20%;
  left: 60%;
  animation-delay: 10s;
}

.shape-4 {
  width: 100px;
  height: 100px;
  background: var(--color-primary);
  top: 30%;
  right: 30%;
  animation-delay: 15s;
}

.shape-5 {
  width: 80px;
  height: 80px;
  background: var(--color-primary);
  bottom: 40%;
  left: 20%;
  animation-delay: 3s;
}

@keyframes float {
  0%, 100% { 
    transform: translateY(0px) rotate(0deg);
  }
  25% { 
    transform: translateY(-30px) rotate(90deg);
  }
  50% { 
    transform: translateY(-60px) rotate(180deg);
  }
  75% { 
    transform: translateY(-30px) rotate(270deg);
  }
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 1;
  visibility: visible;
  transition: all var(--transition-slow);
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
}

.loading-logo {
  font-size: var(--font-size-4xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
  animation: pulse 2s ease-in-out infinite;
}

.loading-text {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xl);
  color: var(--text-secondary);
}

.loading-progress {
  width: 300px;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: 0 auto;
}

.loading-progress .progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  width: 0%;
  animation: loading-progress 3s ease-in-out;
}

@keyframes loading-progress {
  0% { width: 0%; }
  100% { width: 100%; }
}

/* Container */
.container {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-16);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  letter-spacing: var(--letter-spacing-tight);
  margin: 0;
}

h1 { 
  font-size: var(--font-size-4xl); 
  font-weight: var(--font-weight-bold); 
}
h2 { 
  font-size: var(--font-size-3xl); 
  font-weight: var(--font-weight-bold); 
}
h3 { 
  font-size: var(--font-size-2xl); 
  font-weight: var(--font-weight-semibold); 
}
h4 { 
  font-size: var(--font-size-xl); 
  font-weight: var(--font-weight-medium); 
}
h5 { 
  font-size: var(--font-size-lg); 
  font-weight: var(--font-weight-medium); 
}
h6 { 
  font-size: var(--font-size-md); 
  font-weight: var(--font-weight-medium); 
}

p {
  margin-bottom: var(--space-16);
  color: var(--text-secondary);
  line-height: var(--line-height-normal);
}

/* Enhanced Gradient Text */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 300% 300%;
  animation: gradient-shift 4s ease-in-out infinite;
}

.typing-text {
  position: relative;
  overflow: hidden;
}

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

/* Enhanced Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: var(--space-16) var(--space-32);
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-size: var(--font-size-base);
  overflow: hidden;
  transition: all var(--transition-normal);
  backdrop-filter: blur(20px);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn-animated {
  transform-style: preserve-3d;
}

.btn-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  z-index: 2;
  position: relative;
}

.btn-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: inherit;
  opacity: 0;
  filter: blur(20px);
  transition: opacity var(--transition-normal);
  z-index: 1;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-neural);
}

.btn-primary:hover .btn-glow {
  opacity: 0.7;
}

.btn-secondary {
  background: var(--color-secondary);
  color: var(--color-text);
  border: 2px solid var(--border-accent);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  background: var(--color-secondary-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

/* Section Titles */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-4xl);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
}

.section-title i {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: var(--font-size-2xl);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-glow);
}

/* Enhanced Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(var(--color-slate-900-rgb), 0.95);
  backdrop-filter: blur(30px);
  z-index: 1000;
  padding: var(--space-20) 0;
  transition: all var(--transition-normal);
  border-bottom: 1px solid var(--border-color);
}

.navbar.scrolled {
  background: rgba(var(--color-slate-900-rgb), 0.98);
  box-shadow: var(--shadow-lg);
  padding: var(--space-16) 0;
}

.nav-container {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-16);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  cursor: pointer;
  transition: transform var(--transition-normal);
}

.nav-logo:hover {
  transform: scale(1.05);
}

.logo-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  color: var(--color-btn-primary-text);
  box-shadow: var(--shadow-glow);
}

.logo-content {
  display: flex;
  flex-direction: column;
}

.logo-text {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--space-12) var(--space-16);
  border-radius: var(--radius-lg);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: var(--bg-glass);
  transform: translateY(-2px);
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  transition: width var(--transition-normal);
}

.nav-link:hover::before,
.nav-link.active::before {
  width: 80%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.cv-download-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--space-12) var(--space-24);
  background: var(--gradient-secondary);
  color: var(--color-btn-primary-text);
  border: none;
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-glow-green);
}

.cv-download-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-glow-green);
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
  padding: var(--space-8);
}

.nav-toggle .bar {
  width: 28px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.nav-toggle.active .bar:nth-child(1) {
  transform: rotate(45deg) translate(8px, 7px);
  background: var(--color-primary);
}

.nav-toggle.active .bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .bar:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
  background: var(--color-primary);
}

/* Enhanced Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 100px;
}

.hero-container {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-16);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
  min-height: calc(100vh - 100px);
}

.hero-content {
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--space-12) var(--space-24);
  background: var(--bg-glass);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-lg);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.hero-badge i {
  color: var(--color-primary);
}

.badge-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  border-radius: inherit;
  transition: opacity var(--transition-normal);
}

.hero-badge:hover .badge-glow {
  opacity: 0.1;
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-tight);
}

.hero-subtitle {
  font-size: var(--font-size-2xl);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  font-family: var(--font-mono);
  font-weight: var(--font-weight-semibold);
}

.cursor {
  animation: blink 1s infinite;
  color: var(--color-primary);
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  line-height: var(--line-height-normal);
}

.hero-stats {
  display: flex;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.stat-item {
  text-align: center;
  position: relative;
  padding: var(--space-16);
  background: var(--bg-glass);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  transition: all var(--transition-normal);
}

.stat-item:hover {
  transform: translateY(-5px);
  background: var(--bg-glass-hover);
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: var(--font-weight-semibold);
}

.stat-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  border-radius: inherit;
  transition: opacity var(--transition-normal);
}

.stat-item:hover .stat-glow {
  opacity: 0.1;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

/* Enhanced Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  height: 600px;
}

.profile-container {
  position: relative;
  width: 400px;
  height: 400px;
}

.profile-ring-outer,
.profile-ring-middle,
.profile-ring-inner {
  position: absolute;
  border-radius: 50%;
  border: 2px solid;
}

.profile-ring-outer {
  width: 100%;
  height: 100%;
  border-color: var(--color-primary);
  opacity: 0.3;
}

.profile-ring-middle {
  width: 85%;
  height: 85%;
  top: 7.5%;
  left: 7.5%;
  border-color: var(--color-primary);
  opacity: 0.5;
}

.profile-ring-inner {
  width: 70%;
  height: 70%;
  top: 15%;
  left: 15%;
  border: none;
  background: var(--gradient-primary);
  padding: 8px;
  box-shadow: var(--shadow-neural);
}

.profile-image {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.profile-image:hover {
  transform: scale(1.05);
}

.floating-tech-icons {
  position: absolute;
  width: 100%;
  height: 100%;
}

.tech-icon {
  position: absolute;
  width: 60px;
  height: 60px;
  background: var(--bg-glass);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  backdrop-filter: blur(20px);
  border: 2px solid var(--border-accent);
  transition: all var(--transition-normal);
  animation: float 6s ease-in-out infinite;
}

.tech-icon:hover {
  transform: scale(1.2);
  background: var(--gradient-primary);
  color: var(--color-btn-primary-text);
  border-color: transparent;
}

.tech-icon-1 {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-warning);
  animation-delay: 0s;
}

.tech-icon-2 {
  top: 20%;
  right: 0;
  color: var(--color-primary);
  animation-delay: 1s;
}

.tech-icon-3 {
  bottom: 20%;
  right: 10%;
  color: var(--color-info);
  animation-delay: 2s;
}

.tech-icon-4 {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-primary);
  animation-delay: 3s;
}

.tech-icon-5 {
  bottom: 20%;
  left: 0;
  color: var(--color-success);
  animation-delay: 4s;
}

.tech-icon-6 {
  top: 20%;
  left: 10%;
  color: var(--color-warning);
  animation-delay: 5s;
}

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

.hero-scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--text-muted);
  animation: bounce 2s infinite;
}

.scroll-icon {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xs);
}

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

/* Enhanced About Section */
.about {
  padding: var(--spacing-4xl) 0;
  background: var(--bg-secondary);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: start;
}

.about-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2xl);
  line-height: var(--line-height-normal);
}

.education-timeline h3,
.achievements-section h3 {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-size-2xl);
  color: var(--text-primary);
}

.education-timeline h3 i,
.achievements-section h3 i {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.timeline {
  border-left: 3px solid var(--border-accent);
  padding-left: var(--spacing-xl);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xl);
  padding: var(--space-16);
  background: var(--bg-glass);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.timeline-item:hover {
  transform: translateX(10px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -35px;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  background: var(--color-primary);
  border-radius: 50%;
  box-shadow: var(--shadow-glow);
}

.timeline-item h4 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-lg);
}

.institution {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-xs);
}

.duration {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  font-family: var(--font-mono);
}

.achievements-grid {
  display: grid;
  gap: var(--spacing-lg);
}

.achievement-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--space-16);
  background: var(--bg-glass);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
  backdrop-filter: blur(20px);
}

.achievement-item:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.achievement-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-btn-primary-text);
  font-size: var(--font-size-xl);
  flex-shrink: 0;
  box-shadow: var(--shadow-glow);
}

.achievement-content h4 {
  margin: 0 0 var(--space-8) 0;
  color: var(--text-primary);
  font-size: var(--font-size-lg);
}

.achievement-content p {
  margin: 0;
  font-size: var(--font-size-base);
}

/* Enhanced Skills Section */
.skills {
  padding: var(--spacing-4xl) 0;
}

.skills-categories {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4xl);
}

.skill-category h3 {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-size-2xl);
  color: var(--text-primary);
}

.skill-category h3 i {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.skill-item {
  background: var(--bg-card);
  padding: var(--space-24);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.skill-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: 0;
}

.skill-item:hover::before {
  opacity: 0.05;
}

.skill-item:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-neural);
}

.skill-icon {
  font-size: var(--font-size-4xl);
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-16);
  position: relative;
  z-index: 1;
}

.skill-item h3 {
  margin-bottom: var(--space-16);
  font-size: var(--font-size-lg);
  position: relative;
  z-index: 1;
}

.skill-progress {
  width: 100%;
  height: 10px;
  background: var(--color-secondary);
  border-radius: var(--radius-lg);
  margin: var(--space-16) 0;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  width: 0%;
  transition: width 2.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 2.5s infinite;
}

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

.skill-percentage {
  font-weight: var(--font-weight-bold);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: var(--font-size-lg);
  position: relative;
  z-index: 1;
}

/* Enhanced Projects Section */
.projects {
  padding: var(--spacing-4xl) 0;
  background: var(--bg-secondary);
}

.project-filters {
  display: flex;
  justify-content: center;
  gap: var(--space-16);
  margin-bottom: var(--spacing-4xl);
  flex-wrap: wrap;
}

.filter-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--space-16) var(--space-32);
  background: var(--bg-glass);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-normal);
  backdrop-filter: blur(20px);
  font-weight: var(--font-weight-semibold);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-2xl);
}

.project-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-card-border);
  transition: all var(--transition-normal);
  backdrop-filter: blur(20px);
  position: relative;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: 0;
}

.project-card:hover::before {
  opacity: 0.03;
}

.project-card:hover {
  transform: translateY(-15px) scale(1.02);
  box-shadow: var(--shadow-neural);
  border-color: var(--color-primary);
}

.project-image {
  position: relative;
  overflow: hidden;
  height: 250px;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.15);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-links {
  display: flex;
  gap: var(--spacing-lg);
}

.project-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  background: var(--gradient-secondary);
  color: var(--color-btn-primary-text);
  border-radius: 50%;
  text-decoration: none;
  transition: all var(--transition-bounce);
  font-size: var(--font-size-xl);
  box-shadow: var(--shadow-glow);
}

.project-link:hover {
  transform: scale(1.3) rotate(15deg);
  box-shadow: var(--shadow-neural);
}

.project-content {
  padding: var(--space-32);
  position: relative;
  z-index: 1;
}

.project-content h3 {
  margin-bottom: var(--space-16);
  color: var(--text-primary);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.project-content p {
  margin-bottom: var(--space-16);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.tech-tag {
  background: transparent;
  color: var(--color-primary);
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border: 2px solid var(--color-primary);
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  transform: scale(1.1);
}

/* Enhanced Articles Section */
.articles {
  padding: var(--spacing-4xl) 0;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-2xl);
}

.article-card {
  background: var(--bg-card);
  padding: var(--space-32);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  transition: all var(--transition-normal);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.article-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-secondary);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.article-card:hover::before {
  opacity: 0.05;
}

.article-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.article-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--space-16);
  position: relative;
  z-index: 1;
}

.article-icon {
  width: 70px;
  height: 70px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--color-btn-primary-text);
  box-shadow: var(--shadow-glow);
}

.article-meta {
  flex: 1;
}

.article-platform {
  font-weight: var(--font-weight-bold);
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-8);
  font-size: var(--font-size-md);
}

.article-views {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.article-card h3 {
  margin-bottom: var(--space-16);
  color: var(--text-primary);
  line-height: var(--line-height-normal);
  font-size: var(--font-size-lg);
  position: relative;
  z-index: 1;
}

.article-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-12);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-md);
  transition: all var(--transition-normal);
  position: relative;
  z-index: 1;
}

.article-link:hover {
  transform: translateX(10px);
}

/* Enhanced Contact Section */
.contact {
  padding: var(--spacing-4xl) 0;
  background: var(--bg-secondary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.contact-info h3 {
  margin-bottom: var(--space-16);
  color: var(--text-primary);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
}

.contact-info p {
  margin-bottom: var(--space-32);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-normal);
}

.contact-details {
  margin-bottom: var(--space-32);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  margin-bottom: var(--space-16);
  padding: var(--space-16);
  background: var(--bg-glass);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  transition: all var(--transition-normal);
  border: 1px solid var(--border-color);
}

.contact-item:hover {
  transform: translateX(15px);
  border-color: var(--color-success);
  box-shadow: var(--shadow-glow-green);
}

.contact-item i {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: var(--font-size-xl);
  width: 30px;
  text-align: center;
}

.hire-me-section {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hire-me-card {
  background: var(--bg-card);
  padding: var(--space-32);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  text-align: center;
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hire-me-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0.05;
}

.hire-me-icon {
  width: 100px;
  height: 100px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-4xl);
  color: var(--color-btn-primary-text);
  margin: 0 auto var(--space-16);
  box-shadow: var(--shadow-neural);
  position: relative;
  z-index: 1;
}

.hire-me-card h3 {
  margin-bottom: var(--space-16);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  z-index: 1;
}

.hire-me-card p {
  margin-bottom: var(--space-24);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  position: relative;
  z-index: 1;
}

.hire-me-actions {
  position: relative;
  z-index: 1;
}

.hire-me-main {
  margin-bottom: var(--space-24);
  font-size: var(--font-size-lg);
  padding: var(--space-20) var(--space-32);
}

.social-links {
  display: flex;
  gap: var(--space-16);
  justify-content: center;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--bg-glass);
  color: var(--text-secondary);
  border-radius: 50%;
  text-decoration: none;
  transition: all var(--transition-bounce);
  border: 1px solid var(--border-color);
  font-size: var(--font-size-lg);
  backdrop-filter: blur(20px);
}

.social-link:hover {
  color: var(--color-btn-primary-text);
  background: var(--gradient-secondary);
  transform: translateY(-8px) scale(1.1);
  box-shadow: var(--shadow-glow-green);
}

/* Enhanced Footer */
.footer {
  background: var(--bg-tertiary);
  padding: var(--space-32) 0;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-32);
  margin-bottom: var(--space-32);
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  margin-bottom: var(--space-16);
}

.footer-logo .logo-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--color-btn-primary-text);
  box-shadow: var(--shadow-glow);
}

.footer-logo .logo-text {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-title {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  font-family: var(--font-mono);
}

.footer-section h4 {
  color: var(--text-primary);
  margin-bottom: var(--space-16);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

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

.footer-section ul li {
  margin-bottom: var(--space-12);
}

.footer-section ul li a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-normal);
  padding: var(--space-4) 0;
  display: block;
}

.footer-section ul li a:hover {
  color: var(--color-primary);
  transform: translateX(5px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-24);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-16);
}

.footer-bottom p {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--font-size-base);
}

.footer-tech-stack {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  color: var(--text-muted);
}

.footer-tech-stack i {
  font-size: var(--font-size-xl);
  transition: all var(--transition-normal);
}

.footer-tech-stack i:hover {
  color: var(--color-primary);
  transform: scale(1.2);
}

/* Hire Me Button Effects */
.hire-me-btn:hover,
.hire-me-main:hover {
  background: var(--color-primary-hover) !important;
  transform: translateY(-4px) scale(1.05) !important;
  box-shadow: var(--shadow-neural) !important;
}

/* Enhanced Responsive Design */
@media (max-width: 1024px) {
  .hero-container,
  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 90px;
    flex-direction: column;
    background: var(--color-background);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-lg);
    padding: var(--space-16) 0;
    border-top: 1px solid var(--border-color);
    backdrop-filter: blur(30px);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-actions {
    gap: var(--space-12);
  }

  .cv-download-btn {
    padding: var(--space-10) var(--space-16);
    font-size: var(--font-size-sm);
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-xl);
  }

  .hero-stats {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero-buttons {
    justify-content: center;
  }

  .profile-container {
    width: 300px;
    height: 300px;
  }

  .tech-icon {
    width: 50px;
    height: 50px;
    font-size: var(--font-size-lg);
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

  .project-filters {
    flex-direction: column;
    align-items: center;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

  .section-title i {
    font-size: var(--font-size-xl);
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-xs: var(--space-4);
    --spacing-sm: var(--space-8);
    --spacing-md: var(--space-16);
    --spacing-lg: var(--space-20);
    --spacing-xl: var(--space-24);
    --spacing-2xl: var(--space-32);
    --spacing-3xl: var(--space-32);
    --spacing-4xl: var(--space-32);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-16);
  }

  .profile-container {
    width: 250px;
    height: 250px;
  }

  .hero-title {
    font-size: var(--font-size-2xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-lg);
  }

  .hero-description {
    font-size: var(--font-size-base);
  }

  .nav-container {
    padding: 0 var(--space-12);
  }

  .container {
    padding: 0 var(--space-12);
  }

  .projects-grid,
  .articles-grid {
    grid-template-columns: 1fr;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-24);
  }

  .about-description,
  .contact-info p {
    font-size: var(--font-size-base);
  }

  .stat-number {
    font-size: var(--font-size-2xl);
  }

  .skill-icon {
    font-size: var(--font-size-3xl);
  }

  .project-content,
  .article-card {
    padding: var(--space-16);
  }

  .hire-me-card {
    padding: var(--space-24);
  }

  .hire-me-icon {
    width: 80px;
    height: 80px;
    font-size: var(--font-size-3xl);
  }
}