: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 */
/* Enhanced Cosmic Dark Portfolio 2025 - Advanced Aesthetic */

/* Base body and background setup */
body {
  background: #000000;
  background-attachment: fixed;
  overflow-x: hidden;
  position: relative;
}

/* Multi-layer Cosmic Background System */
#cosmic-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -10;
  pointer-events: none;
}

#stars-layer-1, #stars-layer-2, #stars-layer-3 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(1px 1px at 20px 30px, #ffffff, transparent),
    radial-gradient(1px 1px at 40px 70px, rgba(255,255,255,0.8), transparent),
    radial-gradient(2px 2px at 90px 40px, rgba(0,212,255,0.8), transparent),
    radial-gradient(1px 1px at 130px 80px, #ffffff, transparent),
    radial-gradient(2px 2px at 160px 30px, rgba(50,184,198,0.6), transparent);
  background-repeat: repeat;
  background-size: 200px 100px;
}

#stars-layer-1 {
  animation: sparkle 8s linear infinite;
  opacity: 0.9;
}

#stars-layer-2 {
  animation: sparkle 12s linear infinite reverse;
  opacity: 0.7;
  background-size: 250px 120px;
}

#stars-layer-3 {
  animation: sparkle 15s linear infinite;
  opacity: 0.5;
  background-size: 300px 150px;
}

#nebula-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(6, 255, 165, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 40% 80%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
    linear-gradient(135deg, rgba(26, 11, 61, 0.3) 0%, rgba(11, 20, 38, 0.2) 50%, rgba(0, 0, 0, 0.8) 100%);
  animation: nebulaDrift 20s ease-in-out infinite alternate;
}

@keyframes sparkle {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(180deg); }
}

@keyframes nebulaDrift {
  0% { transform: scale(1) rotate(0deg); }
  100% { transform: scale(1.05) rotate(2deg); }
}

/* Particle System */
#particles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -5;
  pointer-events: none;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(50, 184, 198, 0.8);
  animation: particleFloat 6s ease-in-out infinite;
  box-shadow: 0 0 10px currentColor;
}

.shooting-star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: linear-gradient(45deg, #ffffff, #00d4ff);
  border-radius: 50%;
  animation: shootingStar 3s linear infinite;
}

@keyframes particleFloat {
  0%, 100% { transform: translateY(0px) scale(1); opacity: 0.6; }
  50% { transform: translateY(-30px) scale(1.2); opacity: 1; }
}

@keyframes shootingStar {
  0% { transform: translateX(-100px) translateY(100px) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateX(1000px) translateY(-100px) scale(1); opacity: 0; }
}

/* Seamless Section Transitions */
.section-seamless {
  position: relative;
  border: none;
  margin: 0;
  padding: 120px 0;
}

.section-seamless::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.1) 100%);
  pointer-events: none;
}

.section-seamless::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(0deg, transparent 0%, rgba(0,0,0,0.1) 100%);
  pointer-events: none;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(25px);
  border-bottom: 1px solid rgba(0, 212, 255, 0.2);
  z-index: 1000;
  transition: all var(--duration-normal) var(--ease-standard);
}

.nav__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-16) 0;
}

.nav__name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, #00d4ff, #8b5cf6, #06ffa5);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
  animation: nameGlow 3s ease-in-out infinite alternate;
}

@keyframes nameGlow {
  0% { filter: drop-shadow(0 0 5px rgba(0, 212, 255, 0.5)); }
  100% { filter: drop-shadow(0 0 15px rgba(139, 92, 246, 0.8)); }
}

.nav__menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-32);
}

.nav__link {
  color: var(--color-text);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: all var(--duration-normal) var(--ease-standard);
  position: relative;
  padding: var(--space-8) var(--space-12);
}

.nav__link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(139, 92, 246, 0.1));
  border-radius: var(--radius-full);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-standard);
}

.nav__link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -2px;
  left: 50%;
  background: linear-gradient(90deg, #00d4ff, #8b5cf6);
  transition: all var(--duration-normal) var(--ease-standard);
  transform: translateX(-50%);
}

.nav__link:hover::before {
  opacity: 1;
}

.nav__link:hover {
  color: #00d4ff;
  text-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  gap: var(--space-4);
  padding: var(--space-8);
}

.nav__toggle span {
  width: 25px;
  height: 2px;
  background: linear-gradient(90deg, #00d4ff, #8b5cf6);
  transition: all var(--duration-normal) var(--ease-standard);
  border-radius: 2px;
}

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

.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.cosmic-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  animation: cosmicPulse 6s ease-in-out infinite;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
  top: 10%;
  right: 10%;
  animation-delay: 0s;
}

.orb-2 {
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.25) 0%, transparent 70%);
  bottom: 20%;
  left: 15%;
  animation-delay: 2s;
}

.orb-3 {
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(6, 255, 165, 0.4) 0%, transparent 70%);
  top: 60%;
  right: 40%;
  animation-delay: 1s;
}

.orb-4 {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
  bottom: 40%;
  right: 20%;
  animation-delay: 3s;
}

@keyframes cosmicPulse {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.6; }
  50% { transform: scale(1.2) rotate(180deg); opacity: 1; }
}

.hero__content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  animation: heroFadeIn 1.5s ease-out;
}

@keyframes heroFadeIn {
  0% { opacity: 0; transform: translateY(50px); }
  100% { opacity: 1; transform: translateY(0); }
}

.hero__greeting {
  display: block;
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  opacity: 0.8;
}

.hero__name {
  display: block;
  font-size: 4.5rem;
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, #ffffff 0%, #00d4ff 30%, #8b5cf6 60%, #06ffa5 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-20);
  text-shadow: 0 0 50px rgba(0, 212, 255, 0.3);
  animation: nameGradientShift 4s ease-in-out infinite;
  letter-spacing: -2px;
}

@keyframes nameGradientShift {
  0%, 100% { filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.6)); }
  33% { filter: drop-shadow(0 0 20px rgba(139, 92, 246, 0.6)); }
  66% { filter: drop-shadow(0 0 20px rgba(6, 255, 165, 0.6)); }
}

.hero__subtitle {
  font-size: var(--font-size-2xl);
  color: #00d4ff;
  margin-bottom: var(--space-12);
  font-weight: var(--font-weight-medium);
  text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.hero__description {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-32);
  line-height: 1.6;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: var(--space-32);
  margin-bottom: var(--space-32);
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-16);
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: all var(--duration-normal) var(--ease-standard);
}

.stat-item:hover {
  background: rgba(0, 212, 255, 0.1);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: #00d4ff;
  text-shadow: 0 0 15px rgba(0, 212, 255, 0.8);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero__buttons {
  display: flex;
  gap: var(--space-20);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__btn {
  padding: var(--space-16) var(--space-32);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-standard);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: var(--font-weight-semibold);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: linear-gradient(135deg, #00d4ff, #8b5cf6);
  color: #000000;
  border: none;
  box-shadow: 0 10px 40px rgba(0, 212, 255, 0.4);
}

.btn--primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s;
}

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

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 50px rgba(0, 212, 255, 0.6);
}

.btn--outline {
  background: transparent;
  color: #00d4ff;
  border: 2px solid #00d4ff;
  box-shadow: 0 10px 40px rgba(0, 212, 255, 0.2);
  position: relative;
}

.btn--outline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(139, 92, 246, 0.1));
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-standard);
}

.btn--outline:hover::before {
  opacity: 1;
}

.btn--outline:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 50px rgba(0, 212, 255, 0.4);
  border-color: #8b5cf6;
  color: #8b5cf6;
}

/* Section Headers */
.section__header {
  text-align: center;
  margin-bottom: var(--space-32);
}

.section__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-16);
  background: linear-gradient(135deg, #ffffff, #00d4ff, #8b5cf6);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.section__subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.7);
}

/* About Section */
.about__content {
  max-width: 800px;
  margin: 0 auto;
}

.about__text {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  margin-bottom: var(--space-20);
  color: rgba(255, 255, 255, 0.9);
  text-align: center;
}

.about__details {
  display: grid;
  gap: var(--space-16);
  margin-top: var(--space-32);
}

.about__detail {
  padding: var(--space-20);
  background: rgba(0, 212, 255, 0.05);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 212, 255, 0.2);
  backdrop-filter: blur(15px);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-standard);
}

.about__detail:hover {
  background: rgba(0, 212, 255, 0.1);
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 212, 255, 0.1);
}

/* Experience Section */
.experience__timeline {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.experience__timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 3px;
  background: linear-gradient(180deg, #00d4ff, #8b5cf6, #06ffa5);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.8);
  border-radius: 2px;
}

.experience__item {
  position: relative;
  margin-bottom: var(--space-32);
  padding-left: var(--space-32);
}

.experience__item::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00d4ff, #8b5cf6);
  box-shadow: 0 0 25px rgba(0, 212, 255, 1), 0 0 40px rgba(139, 92, 246, 0.5);
  border: 2px solid #000000;
}

.experience__content {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(25px);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  border: 1px solid rgba(0, 212, 255, 0.2);
  transition: all var(--duration-normal) var(--ease-standard);
  position: relative;
  overflow: hidden;
}

.experience__content::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(0, 212, 255, 0.05), transparent);
  transform: rotate(45deg);
  transition: all 0.8s;
  opacity: 0;
}

.experience__content:hover::before {
  opacity: 1;
  transform: rotate(45deg) translate(50%, 50%);
}

.experience__content:hover {
  transform: translateY(-8px) translateX(5px);
  box-shadow: 0 25px 50px rgba(0, 212, 255, 0.15);
  border-color: #00d4ff;
}

.experience__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: #00d4ff;
  margin-bottom: var(--space-8);
}

.experience__company {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: #ffffff;
  display: block;
  margin-bottom: var(--space-4);
}

.experience__duration,
.experience__location {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  display: inline-block;
  margin-right: var(--space-16);
}

.experience__status {
  background: linear-gradient(135deg, #06ffa5, #00d4ff);
  color: #000000;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  margin-left: var(--space-8);
}

.experience__responsibilities {
  list-style: none;
  padding: 0;
  margin-top: var(--space-16);
}

.experience__responsibilities li {
  position: relative;
  padding-left: var(--space-20);
  margin-bottom: var(--space-8);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
}

.experience__responsibilities li::before {
  content: '▶';
  position: absolute;
  left: 0;
  color: #00d4ff;
  font-size: var(--font-size-sm);
}

/* Certifications Section */
.certifications__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-24);
  max-width: 1400px;
  margin: 0 auto;
}

.certification__card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(25px);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  border: 1px solid rgba(0, 212, 255, 0.2);
  transition: all var(--duration-normal) var(--ease-standard);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.certification__card--featured {
  border: 2px solid rgba(139, 92, 246, 0.5);
  background: rgba(139, 92, 246, 0.05);
}

.certification__card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(0, 212, 255, 0.08), transparent);
  transform: rotate(45deg);
  transition: all 0.8s;
  opacity: 0;
}

.certification__card:hover::before {
  opacity: 1;
  transform: rotate(45deg) translate(50%, 50%);
}

.certification__card:hover {
  transform: translateY(-12px);
  box-shadow: 0 30px 60px rgba(0, 212, 255, 0.2);
  border-color: #00d4ff;
}

.certification__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-16);
}

.certification__logos {
  display: flex;
  gap: var(--space-8);
}

.certification__logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-base);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: white;
  font-size: var(--font-size-sm);
  background-size: cover;
  background-position: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.oracle-logo {
  background: linear-gradient(135deg, #F80000, #FF6B00);
}

.google-logo {
  background: linear-gradient(135deg, #4285F4, #34A853);
}

.coursera-logo {
  background: linear-gradient(135deg, #0056D3, #0084FF);
}

.eduversity-logo {
  background: linear-gradient(135deg, #1F4E79, #2E75B6);
}

.udemy-logo {
  background: linear-gradient(135deg, #A435F0, #EC5252);
}

.aws-logo {
  background: linear-gradient(135deg, #FF9900, #FF6600);
}

.certification__badges {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.certification__badge {
  background: rgba(0, 212, 255, 0.2);
  color: #00d4ff;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  text-align: center;
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.certification__badge--primary {
  background: linear-gradient(135deg, #8b5cf6, #06ffa5);
  color: #000000;
  border: none;
}

.certification__badge--new {
  background: linear-gradient(135deg, #06ffa5, #00d4ff);
  color: #000000;
  border: none;
  animation: pulse 2s infinite;
}

.certification__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-8);
  color: #ffffff;
  line-height: 1.4;
}

.certification__issuer {
  color: #00d4ff;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-4);
}

.certification__date {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-8);
}

.certification__achievement {
  color: #06ffa5;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-8);
  font-size: var(--font-size-sm);
}

.certification__skills {
  color: #8b5cf6;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-8);
  font-style: italic;
}

.certification__description {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin-bottom: var(--space-16);
}

.certification__actions {
  display: flex;
  gap: var(--space-12);
}

.certification__link {
  color: #00d4ff;
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: all var(--duration-fast) var(--ease-standard);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-8) var(--space-12);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: var(--radius-base);
  background: rgba(0, 212, 255, 0.05);
}

.certification__link--primary {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(139, 92, 246, 0.1));
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.certification__link:hover {
  color: #06ffa5;
  background: rgba(6, 255, 165, 0.1);
  border-color: #06ffa5;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(6, 255, 165, 0.2);
}

.link-icon {
  font-size: var(--font-size-sm);
}

/* Projects Section */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: var(--space-24);
  max-width: 1400px;
  margin: 0 auto;
}

.project__card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(25px);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  border: 1px solid rgba(0, 212, 255, 0.2);
  transition: all var(--duration-normal) var(--ease-standard);
  position: relative;
  overflow: hidden;
}

.project__card--featured {
  border: 2px solid rgba(6, 255, 165, 0.4);
  background: rgba(6, 255, 165, 0.03);
}

.project__card:hover {
  transform: translateY(-10px);
  box-shadow: 0 25px 50px rgba(0, 212, 255, 0.2);
  border-color: #00d4ff;
}

.project__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-12);
  color: #ffffff;
}

.project__meta {
  display: flex;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
  align-items: center;
}

.project__year {
  background: linear-gradient(135deg, #00d4ff, #8b5cf6);
  color: #000000;
  padding: var(--space-4) var(--space-10);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
}

.project__type {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  font-style: italic;
}

.project__description {
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.7;
  margin-bottom: var(--space-16);
}

.project__tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.tech__tag {
  background: rgba(0, 212, 255, 0.15);
  color: #00d4ff;
  padding: var(--space-6) var(--space-10);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  border: 1px solid rgba(0, 212, 255, 0.3);
  transition: all var(--duration-fast) var(--ease-standard);
}

.tech__tag:hover {
  background: rgba(0, 212, 255, 0.25);
  transform: scale(1.05);
  box-shadow: 0 3px 10px rgba(0, 212, 255, 0.3);
}

.project__stats {
  display: flex;
  gap: var(--space-12);
}

.project__stats .stat {
  background: rgba(6, 255, 165, 0.1);
  color: #06ffa5;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-base);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border: 1px solid rgba(6, 255, 165, 0.3);
}

/* Skills Section */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-24);
  max-width: 1200px;
  margin: 0 auto;
}

.skill__category {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(25px);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  border: 1px solid rgba(0, 212, 255, 0.2);
  transition: all var(--duration-normal) var(--ease-standard);
}

.skill__category--primary {
  border: 2px solid rgba(139, 92, 246, 0.4);
  background: rgba(139, 92, 246, 0.05);
}

.skill__category:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.15);
  border-color: #00d4ff;
}

.skill__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: #00d4ff;
  margin-bottom: var(--space-16);
  text-align: center;
}

.skill__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-10);
  justify-content: center;
}

.skill__tag {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.9);
  padding: var(--space-10) var(--space-14);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  border: 1px solid rgba(0, 212, 255, 0.3);
  transition: all var(--duration-fast) var(--ease-standard);
  font-weight: var(--font-weight-medium);
}

.skill__tag:hover {
  background: rgba(0, 212, 255, 0.2);
  color: #00d4ff;
  transform: scale(1.08) rotate(1deg);
  box-shadow: 0 5px 15px rgba(0, 212, 255, 0.3);
}

/* Achievements Section */
.achievements__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-20);
  max-width: 1200px;
  margin: 0 auto;
}

.achievement__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-16);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(25px);
  border-radius: var(--radius-lg);
  padding: var(--space-20);
  border: 1px solid rgba(0, 212, 255, 0.2);
  transition: all var(--duration-normal) var(--ease-standard);
}

.achievement__item--major {
  border: 2px solid rgba(6, 255, 165, 0.4);
  background: rgba(6, 255, 165, 0.03);
}

.achievement__item:hover {
  transform: translateX(12px) translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 212, 255, 0.15);
  border-color: #00d4ff;
}

.achievement__icon {
  font-size: var(--font-size-3xl);
  min-width: 60px;
  text-align: center;
  filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

.achievement__content {
  flex: 1;
}

.achievement__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: #00d4ff;
  margin: 0 0 var(--space-4) 0;
}

.achievement__desc {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin: 0;
  font-size: var(--font-size-sm);
}

/* Contact Section */
.contact__content {
  max-width: 900px;
  margin: 0 auto;
}

.contact__buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-20);
}

.contact__btn {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(25px);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  border: 1px solid rgba(0, 212, 255, 0.2);
  text-decoration: none;
  color: #ffffff;
  transition: all var(--duration-normal) var(--ease-standard);
  position: relative;
  overflow: hidden;
}

.contact__btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
  transition: left 0.8s;
}

.contact__btn:hover::before {
  left: 100%;
}

.contact__btn:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px rgba(0, 212, 255, 0.2);
  border-color: #00d4ff;
}

.contact__btn-icon {
  font-size: var(--font-size-3xl);
  min-width: 60px;
  text-align: center;
  transition: all var(--duration-normal) var(--ease-standard);
}

.contact__btn:hover .contact__btn-icon {
  transform: scale(1.2) rotate(10deg);
}

.contact__btn-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact__btn-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: #00d4ff;
}

.contact__btn-text {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
}

/* Footer */
.footer {
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(25px);
  border-top: 1px solid rgba(0, 212, 255, 0.2);
  padding: var(--space-32) 0;
  margin-top: var(--space-32);
}

.footer__content {
  text-align: center;
}

.footer__text {
  color: rgba(255, 255, 255, 0.6);
  margin: 0 0 var(--space-8) 0;
}

.footer__subtitle {
  color: rgba(0, 212, 255, 0.8);
  margin: 0;
  font-size: var(--font-size-sm);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(30px);
    border-top: 1px solid rgba(0, 212, 255, 0.3);
    flex-direction: column;
    padding: var(--space-20);
    gap: var(--space-16);
    transform: translateY(-100vh);
    transition: transform 0.3s ease-in-out;
    z-index: 999;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
  }

  .nav__menu.active {
    transform: translateY(0);
  }

  .nav__toggle {
    display: flex;
    z-index: 1001;
  }

  .nav__link {
    padding: var(--space-12) 0;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    text-align: center;
    font-size: var(--font-size-lg);
  }

  .hero__name {
    font-size: 2.8rem;
  }

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

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

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

  .certifications__grid,
  .projects__grid,
  .skills__grid,
  .achievements__grid,
  .contact__buttons {
    grid-template-columns: 1fr;
  }

  .experience__timeline::before {
    left: var(--space-16);
  }

  .experience__item {
    padding-left: var(--space-32);
  }

  .experience__item::before {
    left: 8px;
  }

  .hero__buttons .hero__btn {
    min-width: 250px;
  }
}

/* Additional Animations */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}

/* Smooth scroll behavior */
html {
  scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #000000;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #00d4ff, #8b5cf6);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #06ffa5, #00d4ff);
}