:root {
  --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);

  --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;

  --color-bg-1: rgba(59, 130, 246, 0.08); 
  --color-bg-2: rgba(245, 158, 11, 0.08);
  --color-bg-3: rgba(34, 197, 94, 0.08); 
  --color-bg-4: rgba(239, 68, 68, 0.08); 
  --color-bg-5: rgba(147, 51, 234, 0.08); 
  --color-bg-6: rgba(249, 115, 22, 0.08); 
  --color-bg-7: rgba(236, 72, 153, 0.08); 
  --color-bg-8: rgba(6, 182, 212, 0.08); 

  --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);

  
  --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");

  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;

  --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;

  --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;

  --radius-sm: 6px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  --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);

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

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

@media (prefers-color-scheme: dark) {
  :root {
    --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;

    --color-bg-1: rgba(29, 78, 216, 0.15); 
    --color-bg-2: rgba(180, 83, 9, 0.15); 
    --color-bg-3: rgba(21, 128, 61, 0.15); 
    --color-bg-4: rgba(185, 28, 28, 0.15); 
    --color-bg-5: rgba(107, 33, 168, 0.15); 
    --color-bg-6: rgba(194, 65, 12, 0.15); 
    --color-bg-7: rgba(190, 24, 93, 0.15);
    --color-bg-8: rgba(8, 145, 178, 0.15); 
    
    --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);

    --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");

    --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="dark"] {
  --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;

 
  --color-bg-1: rgba(29, 78, 216, 0.15); 
  --color-bg-2: rgba(180, 83, 9, 0.15);
  --color-bg-3: rgba(21, 128, 61, 0.15); 
  --color-bg-4: rgba(185, 28, 28, 0.15); 
  --color-bg-5: rgba(107, 33, 168, 0.15);
  --color-bg-6: rgba(194, 65, 12, 0.15); 
  --color-bg-7: rgba(190, 24, 93, 0.15); 
  --color-bg-8: rgba(8, 145, 178, 0.15); 
  
  --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");

 
  --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"] {
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;
  
  --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-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);
}


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;
}

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;
}


.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-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);
}

@media (prefers-color-scheme: dark) {
  select.form-control {
    background-image: var(--select-caret-dark);
  }
}

[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 {
  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 {
  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 {
  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);
  }
}

.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;
}

.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;
}

[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');
}

:root {
  --portfolio-primary: #0F0F23;
  --portfolio-secondary: #1A1A2E;
  --portfolio-accent-1: #16213E;
  --portfolio-accent-2: #533A7B;
  --portfolio-highlight: #00D4FF;
  --portfolio-text: #FFFFFF;
  --portfolio-text-secondary: #B8B8B8;
  --portfolio-gradient-1: linear-gradient(135deg, #0F0F23 0%, #16213E 50%, #533A7B 100%);
  --portfolio-gradient-2: linear-gradient(45deg, #533A7B 0%, #00D4FF 100%);
  --portfolio-gradient-3: linear-gradient(180deg, #1A1A2E 0%, #0F0F23 100%);
 
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  --glass-backdrop: blur(8px);
 
  --font-primary: 'Poppins', sans-serif;
  --font-secondary: 'Inter', sans-serif;
  
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.2s var(--ease-smooth);
  --transition-normal: 0.4s var(--ease-smooth);
  --transition-slow: 0.6s var(--ease-smooth);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-secondary);
  background: var(--portfolio-primary);
  color: var(--portfolio-text);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  background: var(--portfolio-highlight);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  transition: transform var(--transition-fast);
  transform: translate(-50%, -50%);
}

.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--portfolio-gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

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

.loading-logo {
  position: relative;
  margin-bottom: 2rem;
}

.loading-text {
  font-family: var(--font-primary);
  font-size: 3rem;
  font-weight: 700;
  color: var(--portfolio-highlight);
  display: block;
  animation: pulse 2s infinite;
}

.loading-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border: 2px solid transparent;
  border-top: 2px solid var(--portfolio-highlight);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loading-progress {
  width: 200px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.loading-bar {
  height: 100%;
  background: var(--portfolio-gradient-2);
  border-radius: 2px;
  animation: loading-progress 3s ease-in-out;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: var(--portfolio-gradient-2);
  z-index: 1000;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(15, 15, 35, 0.9);
  backdrop-filter: blur(20px);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.nav.scrolled {
  background: rgba(15, 15, 35, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo .logo-text {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--portfolio-gradient-2);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--portfolio-text);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--portfolio-highlight);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--portfolio-highlight);
  transition: width var(--transition-normal);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--portfolio-highlight);
  margin: 3px 0;
  transition: var(--transition-normal);
}
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--portfolio-highlight);
  border-radius: 50%;
  opacity: 0.7;
  animation: float 6s ease-in-out infinite;
}
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--portfolio-gradient-1);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(15, 15, 35, 0.8) 70%);
  z-index: 1;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  z-index: 2;
  position: relative;
}

.hero-content {
  animation: slideInLeft 1s ease-out;
}

.hero-greeting {
  margin-bottom: 1rem;
}

.greeting-text {
  font-size: 1.2rem;
  color: var(--portfolio-text-secondary);
  opacity: 0;
  animation: fadeInUp 1s ease-out 0.5s forwards;
}

.hero-name {
  font-family: var(--font-primary);
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: var(--portfolio-gradient-2);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0;
  animation: fadeInUp 1s ease-out 0.7s forwards;
}

.typewriter {
  display: inline-block;
  border-right: 3px solid var(--portfolio-highlight);
  animation: typewriter 4s steps(40) 1s forwards, blink 0.5s step-end infinite alternate;
}

.hero-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--portfolio-highlight);
  margin-bottom: 1rem;
  opacity: 0;
  animation: fadeInUp 1s ease-out 0.9s forwards;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--portfolio-text-secondary);
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeInUp 1s ease-out 1.1s forwards;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  opacity: 0;
  animation: fadeInUp 1s ease-out 1.3s forwards;
}

.hero-cta {
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.hero-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.hero-cta:hover::before {
  left: 100%;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: slideInRight 1s ease-out;
}

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

.hero-image-placeholder {
  width: 100%;
  height: 100%;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8rem;
  box-shadow: var(--glass-shadow);
  animation: float 6s ease-in-out infinite;
}

.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.floating-element {
  position: absolute;
  font-size: 2rem;
  animation: orbit 10s linear infinite;
  animation-delay: var(--delay);
}

.floating-element:nth-child(1) {
  top: 10%;
  left: 80%;
}

.floating-element:nth-child(2) {
  top: 80%;
  left: 10%;
}

.floating-element:nth-child(3) {
  top: 20%;
  left: 20%;
}

.floating-element:nth-child(4) {
  top: 70%;
  left: 70%;
}

section {
  padding: 6rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-family: var(--font-primary);
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--portfolio-gradient-2);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--portfolio-text-secondary);
}

.about {
  background: var(--portfolio-gradient-3);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-description {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
  color: var(--portfolio-text-secondary);
}

.about-stats {
  display: flex;
  gap: 2rem;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: 15px;
  flex: 1;
  transition: transform var(--transition-normal);
}

.stat-item:hover {
  transform: translateY(-5px);
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--portfolio-highlight);
  font-family: var(--font-primary);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--portfolio-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.education-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--glass-shadow);
  transition: transform var(--transition-normal);
}

.education-card:hover {
  transform: translateY(-10px);
}

.education-header h3 {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  color: var(--portfolio-highlight);
  margin-bottom: 1.5rem;
}

.education-degree {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.education-field {
  color: var(--portfolio-highlight);
  margin-bottom: 0.5rem;
}

.education-school,
.education-duration,
.education-gpa {
  color: var(--portfolio-text-secondary);
  margin-bottom: 0.3rem;
}

.experience {
  background: var(--portfolio-secondary);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--portfolio-gradient-2);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  display: flex;
  justify-content: flex-end;
  width: 50%;
}

.timeline-item:nth-child(even) {
  align-self: flex-end;
  justify-content: flex-start;
  margin-left: 50%;
}

.timeline-item:nth-child(odd) {
  margin-right: 50%;
}

.timeline-marker {
  position: absolute;
  top: 50%;
  width: 16px;
  height: 16px;
  background: var(--portfolio-highlight);
  border-radius: 50%;
  border: 4px solid var(--portfolio-primary);
  transform: translateY(-50%);
}

.timeline-item:nth-child(odd) .timeline-marker {
  right: -58px;
}

.timeline-item:nth-child(even) .timeline-marker {
  left: -58px;
}

.timeline-content {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: 15px;
  padding: 2rem;
  box-shadow: var(--glass-shadow);
  position: relative;
  transition: transform var(--transition-normal);
}

.timeline-content:hover {
  transform: translateY(-5px);
}

.timeline-date {
  color: var(--portfolio-highlight);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.timeline-title {
  font-family: var(--font-primary);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.timeline-company {
  color: var(--portfolio-text-secondary);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.timeline-description {
  color: var(--portfolio-text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.timeline-tag {
  background: rgba(0, 212, 255, 0.2);
  color: var(--portfolio-highlight);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.projects {
  background: var(--portfolio-gradient-1);
}

.project-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.8rem 1.5rem;
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--portfolio-text-secondary);
  border-radius: 25px;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--portfolio-highlight);
  color: var(--portfolio-primary);
  border-color: var(--portfolio-highlight);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  overflow: hidden;
  transition: all var(--transition-normal);
  position: relative;
  transform: translateY(0);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.project-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  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: 1rem;
}

.project-link {
  padding: 0.8rem 1.5rem;
  background: var(--portfolio-highlight);
  color: var(--portfolio-primary);
  text-decoration: none;
  border-radius: 25px;
  font-weight: 600;
  transition: transform var(--transition-fast);
}

.project-link:hover {
  transform: scale(1.05);
}

.project-content {
  padding: 2rem;
}

.project-title {
  font-family: var(--font-primary);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--portfolio-highlight);
}

.project-description {
  color: var(--portfolio-text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tag {
  background: rgba(83, 58, 123, 0.3);
  color: var(--portfolio-highlight);
  padding: 0.4rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
}

.skills {
  background: var(--portfolio-secondary);
}

.skills-content {
  width: 100%;
}

.skills-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); /* 3 columns max */
  gap: 2.4rem; 
}

.skill-category {
  background: rgba(255,255,255,0.04);
  border-radius: 18px;
  padding: 2.4rem 2rem;
  box-shadow: 0 6px 32px rgba(60,60,120,0.12);
  min-width: 0; /* Prevent overflow in grid */
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: box-shadow 0.3s;
}

.skill-category:hover {
  box-shadow: 0 10px 36px rgba(0,212,255,0.20), 0 2px 8px rgba(60,60,120,0.12);
}

.skills-list {
  width: 100%;
  margin-top: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.skill-item {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.skill-name {
  font-weight: 500;
  width: 120px;
}

.skill-bar {
  flex: 1;
  background: #242c40;
  border-radius: 20px;
  height: 8px;
  overflow: hidden;
}

.skill-progress {
  display: block;
  background: linear-gradient(90deg,#00d4ff 40%,#533a7b 100%);
  height: 100%;
  border-radius: 20px;
  transition: width 1s cubic-bezier(.1,.6,.8,.3);
  min-width: 24px;
}

.contact {
  background: var(--portfolio-gradient-1);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info {
  display: grid;
  gap: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: 15px;
  transition: transform var(--transition-normal);
}

.contact-item:hover {
  transform: translateX(10px);
}

.contact-icon {
  font-size: 1.5rem;
  width: 50px;
  height: 50px;
  background: var(--portfolio-gradient-2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-details h4 {
  font-family: var(--font-primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--portfolio-highlight);
}

.contact-details a,
.contact-details span {
  color: var(--portfolio-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-details a:hover {
  color: var(--portfolio-highlight);
}

.social-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: 25px;
  text-decoration: none;
  color: var(--portfolio-text);
  transition: all var(--transition-normal);
  flex: 1;
  justify-content: center;
}

.social-link:hover {
  background: var(--portfolio-highlight);
  color: var(--portfolio-primary);
  transform: translateY(-5px);
}

.social-icon {
  font-size: 1.2rem;
}

.contact-form-container {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--glass-shadow);
}

.contact-form {
  display: grid;
  gap: 1.5rem;
}

.form-message {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 10px;
  text-align: center;
  font-weight: 500;
  display: none;
}

.form-message.success {
  background: rgba(0, 212, 255, 0.2);
  color: var(--portfolio-highlight);
  border: 1px solid var(--portfolio-highlight);
}

.form-message.error {
  background: rgba(255, 84, 89, 0.2);
  color: #ff5459;
  border: 1px solid #ff5459;
}

.footer {
  background: var(--portfolio-primary);
  border-top: 1px solid var(--glass-border);
  padding: 2rem 0;
}

.footer-content {
  text-align: center;
  color: var(--portfolio-text-secondary);
}

.footer-content p {
  margin-bottom: 0.5rem;
}

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

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

@keyframes loading-progress {
  0% { transform: scaleX(0); }
  100% { transform: scaleX(1); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes typewriter {
  to { width: 100%; }
}

@keyframes blink {
  50% { border-color: transparent; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes orbit {
  from { transform: rotate(0deg) translateX(50px) rotate(0deg); }
  to { transform: rotate(360deg) translateX(50px) rotate(-360deg); }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--portfolio-primary);
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
    transform: translateY(-100%);
    transition: transform var(--transition-normal);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  }

  .nav-menu.active {
    transform: translateY(0);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

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

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-name {
    font-size: 2.5rem;
  }

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

  .hero-image-container {
    width: 300px;
    height: 300px;
  }

  .about-content,
  .contact-content,
  .skills-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-stats {
    flex-direction: column;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    margin-left: 40px !important;
    margin-right: 0 !important;
    justify-content: flex-start !important;
  }

  .timeline-item .timeline-marker {
    left: -48px !important;
  }

  .section-title {
    font-size: 2rem;
  }

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

  .project-filters {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }

  .social-links {
    flex-direction: column;
  }

  body {
    cursor: auto;
  }

  body::before {
    display: none;
  }
}