: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 */
/* KS-Solutions Premium Website Styles - 2025 Edition */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    height: 100%;
}

body {
    font-family: var(--font-family-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    overflow-x: hidden;
    transition: all 0.3s ease;
}

/* Custom CSS Variables for Premium Design */
:root {
    /* Premium Colors */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-text: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    
    /* Advanced Shadows */
    --shadow-premium: 0 20px 40px -12px rgba(0, 0, 0, 0.25);
    --shadow-floating: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.6);
    
    /* Animation Durations */
    --duration-ultra-fast: 0.15s;
    --duration-fast: 0.3s;
    --duration-medium: 0.5s;
    --duration-slow: 0.8s;
    --duration-ultra-slow: 1.2s;
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --glass-bg: rgba(0, 0, 0, 0.25);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

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

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

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--color-border);
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: var(--gradient-primary);
    z-index: var(--z-fixed);
    transition: width 0.3s ease;
}

/* Skip to Content */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--color-primary);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--radius-base);
    z-index: var(--z-tooltip);
    transition: top 0.3s ease;
}

.skip-to-content:focus {
    top: 6px;
    color: white;
}

/* Enhanced Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--duration-fast) ease;
    z-index: var(--z-fixed);
}

[data-theme="dark"] .navbar {
    background: rgba(0, 0, 0, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .navbar.scrolled {
    background: rgba(0, 0, 0, 0.98);
}

.navbar-brand {
    font-weight: var(--font-weight-bold);
    font-size: 1.5rem;
    color: var(--color-primary) !important;
    transition: all var(--duration-fast) ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.nav-link {
    font-weight: var(--font-weight-medium);
    color: var(--color-text) !important;
    position: relative;
    padding: 0.75rem 1rem !important;
    transition: all var(--duration-fast) ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all var(--duration-fast) ease;
    transform: translateX(-50%);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary) !important;
}

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

/* Theme Toggle */
#themeToggle,
#mobileThemeToggle {
    border: 2px solid var(--color-border);
    border-radius: 50px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--duration-fast) ease;
    background: var(--color-surface);
}

#themeToggle:hover,
#mobileThemeToggle:hover {
    transform: scale(1.1);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

/* Hero Section with Premium Background */
.hero-section {
    min-height: 100vh;
    background-image: 
        linear-gradient(135deg, rgba(102, 126, 234, 0.9), rgba(118, 75, 162, 0.9)),
        url('https://ncube.com/wp-content/uploads/2022/04/IT-consulting-services.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
    z-index: 1;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
}

.hero-particles::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 10%;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    box-shadow: 
        0 0 0 0 white,
        50px 30px 0 0 white,
        100px -20px 0 0 white,
        150px 60px 0 0 white,
        200px 10px 0 0 white,
        250px -40px 0 0 white,
        300px 70px 0 0 white,
        350px 20px 0 0 white,
        400px -30px 0 0 white,
        450px 80px 0 0 white,
        500px 40px 0 0 white,
        550px -10px 0 0 white;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); opacity: 1; }
    100% { transform: translateY(-1000px) rotate(360deg); opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 3;
}

.hero-badge {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 0.5rem 1rem;
    color: white;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    display: inline-block;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    color: white;
    margin: 1rem 0;
    animation: fadeInUp 1s ease-out 0.7s both;
}

.text-gradient {
    background: linear-gradient(135deg, #fff, #e3f2fd);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.typing-text {
    overflow: hidden;
    border-right: 0.15em solid white;
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: white; }
}

.hero-description {
    font-size: 1.25rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 600px;
    animation: fadeInUp 1s ease-out 0.9s both;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 1.1s both;
}

.hero-stats .stat-item {
    text-align: center;
    color: white;
}

.hero-stats .stat-number {
    display: block;
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    line-height: 1;
}

.hero-stats .stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

.hero-buttons {
    animation: fadeInUp 1s ease-out 1.3s both;
}

.hero-buttons .btn {
    margin-right: 1rem;
    margin-bottom: 1rem;
    transform: translateY(20px);
    opacity: 0;
    animation: fadeInUp 0.6s ease-out 1.5s both;
}

.hero-buttons .btn:nth-child(2) {
    animation-delay: 1.7s;
}

/* Hero Visual Elements */
.hero-visual {
    position: relative;
    z-index: 3;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.floating-card {
    position: absolute;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1rem;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: var(--font-weight-medium);
    box-shadow: var(--glass-shadow);
    animation: float-gentle 6s ease-in-out infinite;
}

.floating-card:nth-child(1) { top: 10%; right: 20%; animation-delay: 0s; }
.floating-card:nth-child(2) { top: 60%; right: 10%; animation-delay: 1.5s; }
.floating-card:nth-child(3) { top: 30%; left: 10%; animation-delay: 3s; }
.floating-card:nth-child(4) { bottom: 20%; left: 30%; animation-delay: 4.5s; }

@keyframes float-gentle {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(2deg); }
}

.hero-main-visual {
    position: relative;
    z-index: 4;
}

.code-editor {
    background: rgba(0, 0, 0, 0.9);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-premium);
    width: 400px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.editor-header {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.editor-buttons {
    display: flex;
    gap: 0.5rem;
}

.editor-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.btn-red { background: #ff5f56; }
.btn-yellow { background: #ffbd2e; }
.btn-green { background: #27ca3f; }

.editor-title {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
}

.editor-content {
    padding: 1rem;
    font-family: var(--font-family-mono);
    font-size: 0.875rem;
    line-height: 1.6;
}

.code-line {
    margin-bottom: 0.25rem;
    animation: typewriter 0.5s steps(40) forwards;
    opacity: 0;
}

.code-line:nth-child(1) { animation-delay: 2s; }
.code-line:nth-child(2) { animation-delay: 2.5s; }
.code-line:nth-child(3) { animation-delay: 3s; }
.code-line:nth-child(4) { animation-delay: 3.5s; }
.code-line:nth-child(5) { animation-delay: 4s; }
.code-line:nth-child(6) { animation-delay: 4.5s; }
.code-line:nth-child(7) { animation-delay: 5s; }

@keyframes typewriter {
    to { opacity: 1; }
}

.code-purple { color: #c792ea; }
.code-blue { color: #82aaff; }
.code-white { color: #eeffff; }
.code-red { color: #f07178; }
.code-green { color: #c3e88d; }
.code-yellow { color: #ffcb6b; }

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: bounce 2s infinite;
}

.scroll-indicator a {
    color: white;
    font-size: 1.5rem;
    opacity: 0.8;
    transition: all var(--duration-fast) ease;
}

.scroll-indicator a:hover {
    opacity: 1;
    transform: translateY(-3px);
}

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

/* Fade-in animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Services Section with Coding Background */
.services-section {
    padding: 120px 0;
    background-image: 
        linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.9)),
        url('https://pplx-res.cloudinary.com/image/upload/v1759165066/pplx_project_search_images/6097c62ef210eb61a9d0c7595360bdd92c30ce84.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.services-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.services-section .container {
    position: relative;
    z-index: 2;
}

/* Section Badges and Titles */
.section-badge {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 0.5rem 1rem;
    color: white;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    display: inline-block;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    color: white;
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* Premium Service Cards */
.service-card.premium-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all var(--duration-medium) cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    color: white;
}

.service-card.premium-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity var(--duration-fast) ease;
    z-index: -1;
}

.service-card.premium-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-floating);
    border-color: var(--color-primary);
}

.service-card.premium-card:hover::before {
    opacity: 1;
}

.service-icon-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    transition: all var(--duration-medium) ease;
    position: relative;
    z-index: 2;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(360deg);
}

.skill-progress {
    position: absolute;
    top: -5px;
    right: -5px;
}

.progress-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: conic-gradient(var(--color-primary) 0deg, transparent 0deg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.progress-circle::before {
    content: '';
    position: absolute;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
}

.progress-text {
    position: relative;
    z-index: 1;
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    color: white;
}

.service-card h4 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: white;
    margin-bottom: 1rem;
}

.service-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-features {
    text-align: left;
    margin-bottom: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
}

.btn-service {
    background: var(--gradient-primary);
    border: none;
    color: white;
    font-weight: var(--font-weight-medium);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    transition: all var(--duration-fast) ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.btn-service:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: white;
}

/* About Section with Data Center Background */
.about-section {
    padding: 120px 0;
    background-image: 
        linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.7)),
        url('https://pplx-res.cloudinary.com/image/upload/v1755289491/pplx_project_search_images/8d7e6db770dfb2af0202a20049721f55ecea3a3f.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    color: white;
}

.about-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.about-section .container {
    position: relative;
    z-index: 2;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-base);
    transition: all var(--duration-fast) ease;
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: var(--glass-shadow);
}

.feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.feature-content h6 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 0.5rem;
    color: white;
}

.feature-content p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    line-height: 1.5;
}

/* Stats Container */
.stats-container {
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-box {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all var(--duration-medium) ease;
    box-shadow: var(--glass-shadow);
}

.stat-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-floating);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin: 0 auto 1rem;
}

.stat-info h3 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: white;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-info p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    font-weight: var(--font-weight-medium);
}

/* Testimonials Carousel */
.testimonials-carousel {
    margin-top: 2rem;
}

.testimonial-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--glass-shadow);
}

.testimonial-stars {
    color: #ffd700;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.testimonial-card p {
    font-style: italic;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    line-height: 1.6;
}

.testimonial-author strong {
    color: white;
    font-weight: var(--font-weight-semibold);
    display: block;
}

.testimonial-author span {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

/* Portfolio Section */
.portfolio-section {
    padding: 120px 0;
    background-image: 
        linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.8)),
        url('https://pplx-res.cloudinary.com/image/upload/v1754681097/pplx_project_search_images/fca433e8e3b648431fc7ab2e283e9c3a9781528d.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.portfolio-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.portfolio-section .container {
    position: relative;
    z-index: 2;
}

.portfolio-filters {
    margin-bottom: 3rem;
}

.filter-btn {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.8);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    margin: 0 0.5rem 0.5rem;
    font-weight: var(--font-weight-medium);
    transition: all var(--duration-fast) ease;
    cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    transform: translateY(-2px);
}

.portfolio-item {
    margin-bottom: 2rem;
    transition: all var(--duration-medium) ease;
}

.portfolio-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.portfolio-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--duration-medium) ease;
    box-shadow: var(--glass-shadow);
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-floating);
}

.portfolio-image {
    height: 200px;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all var(--duration-fast) ease;
}

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

.portfolio-actions {
    display: flex;
    gap: 1rem;
}

.btn-action {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--duration-fast) ease;
    cursor: pointer;
}

.btn-action:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.portfolio-content {
    padding: 1.5rem;
    color: white;
}

.portfolio-content h5 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: white;
    margin-bottom: 0.5rem;
}

.portfolio-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
    line-height: 1.5;
}

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

.tag {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Contact Section */
.contact-section {
    padding: 120px 0;
    background-image: 
        linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.8)),
        url('https://pplx-res.cloudinary.com/image/upload/v1759165066/pplx_project_search_images/045c5f27321d7c088bc815bd0432cf23ebbb88f2.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.contact-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.contact-section .container {
    position: relative;
    z-index: 2;
}

/* Multi-step Form */
.contact-form-wrapper {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--glass-shadow);
    position: relative;
    overflow: hidden;
}

.form-step {
    display: none;
    animation: fadeInRight 0.5s ease-out forwards;
}

.form-step.active {
    display: block;
}

.step-title {
    color: white;
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 2rem;
    text-align: center;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    color: white;
    font-weight: var(--font-weight-medium);
    margin-bottom: 0.5rem;
    display: block;
}

.form-control {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-base);
    padding: 0.75rem 1rem;
    color: white;
    font-size: 1rem;
    transition: all var(--duration-fast) ease;
    width: 100%;
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.3);
    background: rgba(255, 255, 255, 0.15);
}

.form-control.is-invalid {
    border-color: #dc3545;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.3);
}

.form-control.is-valid {
    border-color: #28a745;
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.3);
}

.form-feedback {
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.form-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
}

.form-summary {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-base);
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.form-summary h6 {
    color: white;
    margin-bottom: 0.5rem;
}

.form-check-label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    line-height: 1.5;
}

.form-check-label a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Contact Info Cards */
.contact-info-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all var(--duration-medium) ease;
    box-shadow: var(--glass-shadow);
    color: white;
    height: 100%;
}

.contact-info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-floating);
}

.contact-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    margin: 0 auto 1.5rem;
}

.contact-info-card h5 {
    color: white;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 1rem;
}

.contact-info-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.contact-info-card a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color var(--duration-fast) ease;
}

.contact-info-card a:hover {
    color: var(--color-primary);
}

/* Live Chat Widget */
.live-chat-widget {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: var(--z-fixed);
}

.chat-trigger {
    background: var(--gradient-primary);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: var(--font-weight-medium);
    box-shadow: var(--shadow-premium);
    transition: all var(--duration-fast) ease;
    position: relative;
}

.chat-trigger:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-floating);
}

.chat-notification {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #dc3545;
    color: white;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.chat-window {
    position: absolute;
    bottom: 100%;
    right: 0;
    width: 350px;
    height: 400px;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-premium);
    display: none;
    flex-direction: column;
    margin-bottom: 1rem;
    border: 1px solid var(--color-border);
}

.chat-window.active {
    display: flex;
}

.chat-header {
    background: var(--gradient-primary);
    color: white;
    padding: 1rem;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chat-agent {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.agent-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.agent-status {
    font-size: 0.75rem;
    opacity: 0.9;
}

.chat-close {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0.25rem;
}

.chat-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
}

.message {
    margin-bottom: 1rem;
}

.agent-message .message-content {
    background: var(--color-secondary);
    color: var(--color-text);
    padding: 0.75rem;
    border-radius: var(--radius-base);
    max-width: 80%;
    display: inline-block;
}

.message-time {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-top: 0.25rem;
}

.chat-input {
    padding: 1rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: 0.5rem;
}

.chat-input input {
    flex: 1;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    padding: 0.75rem;
    font-size: 0.875rem;
}

.chat-input button {
    background: var(--gradient-primary);
    border: none;
    color: white;
    padding: 0.75rem;
    border-radius: var(--radius-base);
    cursor: pointer;
    transition: all var(--duration-fast) ease;
}

.chat-input button:hover {
    transform: scale(1.05);
}

/* Legal Sections */
.legal-section {
    padding: 120px 0 80px;
    background: var(--color-background);
    min-height: 100vh;
}

.legal-content {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: 2rem;
}

.breadcrumb-item a {
    color: var(--color-primary);
    text-decoration: none;
}

.page-title {
    color: var(--color-text);
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--color-primary);
}

.legal-content-body h2 {
    color: var(--color-text);
    font-size: 1.75rem;
    font-weight: var(--font-weight-semibold);
    margin: 2rem 0 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.legal-content-body h3 {
    color: var(--color-text);
    font-size: 1.25rem;
    font-weight: var(--font-weight-medium);
    margin: 1.5rem 0 0.75rem;
}

.legal-content-body p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.legal-content-body address {
    background: var(--color-bg-1);
    padding: 1rem;
    border-radius: var(--radius-base);
    border-left: 4px solid var(--color-primary);
    font-style: normal;
    line-height: 1.6;
}

.legal-navigation {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
    padding: 4rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
}

.footer-brand h5 {
    color: white;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.footer h6 {
    color: white;
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 1rem;
    position: relative;
}

.footer h6::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gradient-primary);
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all var(--duration-fast) ease;
    position: relative;
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-left: 5px;
}

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

.social-link {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all var(--duration-fast) ease;
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.footer-contact {
    color: rgba(255, 255, 255, 0.8);
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    gap: 0.5rem;
}

.contact-item i {
    width: 20px;
    color: var(--color-primary);
}

.newsletter-signup h6 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.newsletter-signup .input-group {
    margin-top: 0.5rem;
}

.newsletter-signup .form-control {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: var(--radius-base) 0 0 var(--radius-base);
}

.newsletter-signup .form-control::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter-signup .btn {
    border-radius: 0 var(--radius-base) var(--radius-base) 0;
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.2);
    margin: 2rem 0 1rem;
}

.copyright {
    color: rgba(255, 255, 255, 0.8);
}

.footer-legal-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--duration-fast) ease;
}

.footer-link:hover {
    color: var(--color-primary);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-fast) ease;
    z-index: var(--z-fixed);
    box-shadow: var(--shadow-premium);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-floating);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
    z-index: var(--z-fixed);
    transform: translateY(100%);
    transition: transform var(--duration-medium) ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.cookie-text {
    flex: 1;
    color: white;
}

.cookie-text h6 {
    margin-bottom: 0.5rem;
    font-weight: var(--font-weight-semibold);
}

.cookie-text p {
    margin: 0;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
}

.cookie-text a {
    color: var(--color-primary);
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

/* Enhanced Button Styles */
.btn {
    font-weight: var(--font-weight-medium);
    border-radius: 50px;
    padding: 0.75rem 2rem;
    transition: all var(--duration-fast) ease;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn:hover::before {
    transform: translateX(100%);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    color: white;
}

.btn-outline-primary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-outline-primary:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-outline-light {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-light:hover {
    background: white;
    color: var(--color-text);
    border-color: white;
    transform: translateY(-2px);
}

.btn-success {
    background: var(--gradient-success);
    color: white;
    box-shadow: 0 4px 15px rgba(79, 172, 254, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 172, 254, 0.4);
    color: white;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Modal Enhancements */
.modal-content {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-premium);
    backdrop-filter: blur(20px);
}

.modal-header {
    border-bottom: 1px solid var(--color-border);
    padding: 2rem 2rem 1rem;
}

.modal-body {
    padding: 1rem 2rem;
}

.modal-footer {
    border-top: 1px solid var(--color-border);
    padding: 1rem 2rem 2rem;
}

.modal-title {
    color: var(--color-text);
    font-weight: var(--font-weight-semibold);
}

/* Counter Animation */
.counter {
    display: inline-block;
}

/* Progress Circle Animation */
@keyframes fillProgress {
    from { 
        background: conic-gradient(var(--color-primary) 0deg, transparent 0deg);
    }
    to { 
        background: conic-gradient(var(--color-primary) var(--progress-degree), transparent var(--progress-degree));
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .floating-card {
        padding: 0.75rem;
        font-size: 0.875rem;
    }
    
    .code-editor {
        width: 350px;
    }
}

@media (max-width: 992px) {
    .hero-section,
    .services-section,
    .about-section,
    .portfolio-section,
    .contact-section {
        background-attachment: scroll;
        padding: 80px 0;
    }
    
    .hero-stats {
        gap: 1rem;
        justify-content: center;
        text-align: center;
    }
    
    .hero-stats .stat-item {
        flex: 1;
        min-width: 120px;
    }
    
    .floating-elements {
        display: none;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 2rem;
    }
    
    .live-chat-widget {
        bottom: 1rem;
        right: 1rem;
    }
    
    .chat-window {
        width: 300px;
        height: 350px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-buttons .btn {
        margin-right: 0;
        margin-bottom: 1rem;
    }
    
    .code-editor {
        width: 100%;
        max-width: 300px;
    }
    
    .service-card.premium-card {
        padding: 1.5rem;
    }
    
    .contact-form-wrapper {
        padding: 1.5rem;
    }
    
    .chat-trigger {
        padding: 1rem;
        border-radius: 50px;
    }
    
    .chat-trigger span {
        display: none;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .footer-legal-links {
        justify-content: center;
        margin-top: 1rem;
    }
}

@media (max-width: 576px) {
    .hero-stats {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
    
    .hero-stats .stat-item {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
    
    .hero-stats .stat-number {
        font-size: 1.5rem;
    }
    
    .portfolio-filters {
        text-align: left;
    }
    
    .filter-btn {
        display: block;
        width: 100%;
        margin: 0 0 0.5rem 0;
    }
    
    .back-to-top {
        bottom: 1rem;
        left: 1rem;
        width: 50px;
        height: 50px;
    }
    
    .legal-content {
        padding: 2rem 1rem;
    }
}

/* Custom animations for AOS */
[data-aos="float-up"] {
    transform: translate3d(0, 100px, 0);
    opacity: 0;
    transition-property: transform, opacity;
}

[data-aos="float-up"].aos-animate {
    transform: translate3d(0, 0, 0);
    opacity: 1;
}

/* Performance optimizations */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
}

/* Print styles */
@media print {
    .navbar,
    .scroll-indicator,
    .back-to-top,
    .live-chat-widget,
    .cookie-banner {
        display: none !important;
    }
    
    .hero-section,
    .services-section,
    .about-section,
    .portfolio-section,
    .contact-section {
        background: none !important;
        color: #000 !important;
    }
    
    * {
        color: #000 !important;
        background: transparent !important;
    }
}