: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 */
```css
/* UDinger Quantum Consulting - ADAPTED TO PERPLEXITY DESIGN SYSTEM */

/* Reset the custom variables and use design system variables */
:root {
  /* Layout constants using design system values */
  --container-max-width: var(--container-xl);
  --header-height: 70px;
  
  /* Transitions using design system values */
  --transition: all var(--duration-normal) var(--ease-standard);
  --transition-fast: all var(--duration-fast) var(--ease-standard);
}

/* Reset and Base Styles */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: background-color var(--duration-normal) ease, color var(--duration-normal) ease, border-color var(--duration-normal) ease;
}

html {
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: var(--font-family-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  min-height: 100vh;
  padding-top: var(--header-height);
  position: relative;
  overflow-x: hidden;
}

/* QUANTUM COMPUTER BACKGROUND - FUTURISTIC */
.quantum-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-slate-900) 0%, var(--color-charcoal-700) 50%, var(--color-slate-500) 100%);
  opacity: 0.05;
  z-index: -2;
  transition: opacity 0.5s ease;
}

[data-color-scheme="dark"] .quantum-background,
[data-theme="dark"] .quantum-background {
  opacity: 0.15;
}

.quantum-circuit {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

/* Circuit Lines - Quantum Computer Pathways */
.circuit-line {
  position: absolute;
  background: linear-gradient(90deg, transparent 0%, var(--color-teal-300) 50%, transparent 100%);
  opacity: 0.3;
  animation: pulse-circuit 3s infinite ease-in-out;
}

.circuit-line-1 {
  top: 20%;
  left: -10%;
  width: 120%;
  height: 2px;
  animation-delay: 0s;
}

.circuit-line-2 {
  top: 50%;
  left: -10%;
  width: 120%;
  height: 2px;
  animation-delay: 1s;
}

.circuit-line-3 {
  top: 80%;
  left: -10%;
  width: 120%;
  height: 2px;
  animation-delay: 2s;
}

/* Quantum Gates */
.quantum-gate {
  position: absolute;
  width: var(--space-20);
  height: var(--space-20);
  border: 2px solid var(--color-teal-300);
  border-radius: var(--radius-sm);
  background: rgba(var(--color-teal-300-rgb), 0.1);
  animation: gate-glow 2s infinite ease-in-out;
}

.gate-1 {
  top: 18%;
  left: 25%;
  animation-delay: 0.5s;
}

.gate-2 {
  top: 48%;
  left: 50%;
  animation-delay: 1.5s;
}

.gate-3 {
  top: 78%;
  left: 75%;
  animation-delay: 2.5s;
}

/* PHOTON PARTICLE - MOVES WITH SCROLL */
.photon {
  position: absolute;
  top: 0%;
  left: 50%;
  width: var(--space-8);
  height: var(--space-8);
  background: radial-gradient(circle, var(--color-teal-400) 0%, var(--color-teal-400) 30%, transparent 70%);
  border-radius: 50%;
  box-shadow: 0 0 20px var(--color-teal-400), 0 0 40px var(--color-teal-400);
  animation: photon-pulse 0.5s infinite alternate;
  z-index: -1;
  transition: top 0.1s ease-out;
}

/* Animations */
@keyframes pulse-circuit {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 0.6; }
}

@keyframes gate-glow {
  0%, 100% { box-shadow: 0 0 5px var(--color-teal-300); }
  50% { box-shadow: 0 0 20px var(--color-teal-300), 0 0 30px var(--color-teal-300); }
}

@keyframes photon-pulse {
  0% { transform: scale(1) rotate(0deg); }
  100% { transform: scale(1.3) rotate(180deg); }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-16);
  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); }

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

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

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

ul {
  list-style: none;
}

strong {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

/* Layout Components */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-24);
}

.page-section {
  min-height: 100vh;
  padding: var(--space-32) 0;
  display: flex;
  align-items: center;
  position: relative;
}

.page-title {
  font-size: var(--font-size-4xl);
  text-align: center;
  margin-bottom: var(--space-32);
  background: linear-gradient(135deg, var(--color-primary), var(--color-teal-800));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: var(--font-weight-bold);
}

.page-subtitle {
  font-size: var(--font-size-xl);
  text-align: center;
  color: var(--color-text-secondary);
  max-width: 800px;
  margin: 0 auto var(--space-32);
  line-height: var(--line-height-normal);
}

/* Header and Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(var(--color-surface), 0.95);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: var(--transition);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-16);
}

.brand-logo {
  height: 40px;
  width: auto;
  transition: var(--transition);
}

[data-color-scheme="dark"] .brand-logo,
[data-theme="dark"] .brand-logo {
  filter: brightness(0) invert(1) !important;
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin: 0;
  line-height: 1;
}

.brand-location {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.country-names {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-normal);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-32);
}

.nav__link {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
  cursor: pointer;
}

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

/* Theme Toggle Button */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-secondary);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  margin-left: var(--space-16);
}

.theme-toggle:hover {
  border-color: var(--color-primary);
  background: var(--color-secondary-hover);
  transform: scale(1.05);
}

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

.theme-toggle__icon {
  position: absolute;
  transition: var(--transition);
  color: var(--color-text);
}

.theme-toggle__sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.theme-toggle__moon {
  opacity: 0;
  transform: rotate(180deg) scale(0.8);
}

[data-color-scheme="dark"] .theme-toggle__sun,
[data-theme="dark"] .theme-toggle__sun {
  opacity: 0 !important;
  transform: rotate(180deg) scale(0.8) !important;
}

[data-color-scheme="dark"] .theme-toggle__moon,
[data-theme="dark"] .theme-toggle__moon {
  opacity: 1 !important;
  transform: rotate(0deg) scale(1) !important;
}

/* Buttons - Using design system button styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-24);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  border: none;
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  font-family: var(--font-family-base);
  line-height: var(--line-height-normal);
}

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

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

.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--color-btn-primary-text);
}

.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--lg {
  padding: var(--space-16) var(--space-32);
  font-size: var(--font-size-lg);
}

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

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* PAGE 1: SERVICES */
.services-page {
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-secondary) 50%, var(--color-background) 100%);
}

.services-header {
  text-align: center;
  margin-bottom: var(--space-32);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-32);
  margin-bottom: var(--space-32);
}

.service-card {
  background: var(--color-surface);
  padding: var(--space-32);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  font-size: var(--font-size-4xl);
  text-align: center;
  margin-bottom: var(--space-24);
}

.service-title {
  text-align: center;
  margin-bottom: var(--space-24);
}

.service-description {
  text-align: center;
  margin-bottom: var(--space-32);
  flex-grow: 1;
}

.service-details {
  margin: 0;
  padding: 0;
}

.service-details li {
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-card-border-inner);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  position: relative;
  padding-left: var(--space-24);
}

.service-details li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.service-details li:last-child {
  border-bottom: none;
}

.services-cta {
  text-align: center;
  padding: var(--space-32);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
}

/* PAGE 2: OPPORTUNITY */
.opportunity-page {
  background: var(--color-secondary);
}

.hero-content {
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-32);
  margin: var(--space-32) 0;
}

.stat-card {
  background: var(--color-surface);
  padding: var(--space-32);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: var(--transition);
}

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

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-16);
  line-height: 1;
}

.stat-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
}

.cta-section {
  margin-top: var(--space-32);
  padding: var(--space-32);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
}

.cta-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-24);
}

.cta-text {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-32);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.quantum-applications {
  margin: var(--space-32) 0;
}

.applications-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-32);
  text-align: center;
}

.applications-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-32);
  margin-bottom: var(--space-32);
}

.application-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-24);
  background: var(--color-secondary);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-card-border);
  transition: var(--transition);
}

.application-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.application-icon {
  margin-bottom: var(--space-24);
  width: 60px;
  height: 60px;
  position: relative;
}

/* CSS-BASED ICONS */
.icon-supply-chain {
  width: 60px;
  height: 60px;
  position: relative;
}

.globe {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-primary);
  border-radius: 50%;
  position: absolute;
  top: 10px;
  left: 10px;
}

.globe:before {
  content: '';
  position: absolute;
  top: 15px;
  left: 15px;
  width: 10px;
  height: 10px;
  background: var(--color-primary);
  border-radius: 50%;
}

.arrows {
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-left: 8px solid var(--color-teal-800);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}

.nodes {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 15px;
  height: 3px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
}

.icon-financial {
  width: 60px;
  height: 60px;
  position: relative;
}

.chart-bars {
  position: absolute;
  bottom: 15px;
  left: 10px;
  width: 8px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 1px;
}

.chart-bars:before {
  content: '';
  position: absolute;
  left: 12px;
  top: 8px;
  width: 8px;
  height: 12px;
  background: var(--color-primary);
  border-radius: 1px;
}

.chart-bars:after {
  content: '';
  position: absolute;
  left: 24px;
  top: 4px;
  width: 8px;
  height: 16px;
  background: var(--color-primary);
  border-radius: 1px;
}

.dollar-sign {
  position: absolute;
  top: 5px;
  right: 5px;
  font-size: var(--font-size-lg);
  color: var(--color-teal-800);
  font-weight: var(--font-weight-bold);
}

.trend-line {
  position: absolute;
  top: 12px;
  left: 8px;
  width: 30px;
  height: 2px;
  background: var(--color-teal-800);
  transform: rotate(15deg);
}

.icon-ml {
  width: 60px;
  height: 60px;
  position: relative;
}

.brain {
  width: 35px;
  height: 30px;
  border: 3px solid var(--color-primary);
  border-radius: 20px 20px 15px 15px;
  position: absolute;
  top: 10px;
  left: 12px;
}

.brain:before {
  content: '';
  position: absolute;
  top: 8px;
  left: 8px;
  width: 15px;
  height: 10px;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
}

.neural-connections {
  position: absolute;
  top: 15px;
  right: 5px;
  width: 3px;
  height: 15px;
  background: var(--color-teal-800);
}

.neural-connections:before {
  content: '';
  position: absolute;
  top: -5px;
  right: -2px;
  width: 7px;
  height: 3px;
  background: var(--color-teal-800);
}

.ai-chip {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 20px;
  height: 15px;
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  font-size: var(--font-size-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-bold);
}

.application-content strong {
  display: block;
  margin-bottom: var(--space-8);
  color: var(--color-primary);
  font-size: var(--font-size-lg);
}

.application-content p {
  font-size: var(--font-size-sm);
  margin: 0;
  line-height: var(--line-height-normal);
  color: var(--color-text-secondary);
}

/* PAGE 3: CONTACT */
.contact-page {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-background) 50%, var(--color-secondary) 100%);
}

.contact-header {
  text-align: center;
  margin-bottom: var(--space-32);
}

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

.contact-info {
  background: var(--color-surface);
  padding: var(--space-32);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
  height: fit-content;
}

.contact-info h3 {
  margin-bottom: var(--space-24);
}

.contact-info h4 {
  color: var(--color-primary);
  margin-top: var(--space-32);
  margin-bottom: var(--space-16);
}

.email-section {
  margin: var(--space-32) 0;
}

.email-link {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--space-16);
}

.email-note {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

.consultation-info ul {
  margin-left: 0;
}

.consultation-info li {
  padding: var(--space-8) 0;
  color: var(--color-text-secondary);
  position: relative;
  padding-left: var(--space-24);
}

.consultation-info li:before {
  content: "▶";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
}

.location-info {
  margin-top: var(--space-32);
}

.locations {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-24);
  margin-top: var(--space-16);
}

.location {
  padding: var(--space-16);
  background: var(--color-secondary);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-card-border);
  text-align: center;
}

.location strong {
  display: block;
  margin-bottom: var(--space-8);
  font-size: var(--font-size-base);
}

.location p {
  font-size: var(--font-size-sm);
  margin: 0;
  color: var(--color-text-secondary);
}

/* Contact Form - Using design system form controls */
.contact-form-container {
  background: var(--color-surface);
  padding: var(--space-32);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
}

.contact-form h3 {
  text-align: center;
  margin-bottom: var(--space-32);
}

.form-group {
  margin-bottom: var(--space-24);
}

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

.form-group input,
.form-group select,
.form-group textarea {
  display: block;
  width: 100%;
  padding: var(--space-12);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  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);
  font-family: var(--font-family-base);
}

.form-group select {
  -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) {
  .form-group select {
    background-image: var(--select-caret-dark);
  }
}

[data-color-scheme="dark"] .form-group select,
[data-theme="dark"] .form-group select {
  background-image: var(--select-caret-dark);
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  outline: var(--focus-outline);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
  font-family: var(--font-family-base);
}

.form-note {
  margin-top: var(--space-16);
  padding: var(--space-16);
  background: var(--color-secondary);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-card-border);
  text-align: center;
}

.form-note p {
  margin: 0;
}

.contact-footer {
  text-align: center;
  padding: var(--space-32);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
}

.closing-statement {
  font-size: var(--font-size-lg);
  font-style: italic;
  color: var(--color-text-secondary);
  margin: 0;
}

/* Footer */
.footer {
  background: var(--color-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-32) 0 var(--space-24);
  position: relative;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-24);
}

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

.footer-logo {
  height: 24px;
  width: auto;
  transition: var(--transition);
}

[data-color-scheme="dark"] .footer-logo,
[data-theme="dark"] .footer-logo {
  filter: brightness(0) invert(1) !important;
}

.footer-info {
  display: flex;
  flex-direction: column;
}

.footer-text {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin: 0;
  line-height: 1;
}

.footer-locations {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin: 0;
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.country-names-footer {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-normal);
}

.footer-email {
  color: var(--color-teal-800);
  font-weight: var(--font-weight-medium);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-24);
  border-top: 1px solid var(--color-border);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .services-grid,
  .stats-grid,
  .applications-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .locations {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .page-title {
    font-size: var(--font-size-3xl);
  }
  
  .page-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .nav__menu {
    display: none;
  }
  
  .brand-info {
    display: none;
  }
  
  .services-grid,
  .stats-grid,
  .applications-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--space-32);
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--space-16);
    text-align: center;
  }
  
  .container {
    padding: 0 var(--space-16);
  }
  
  .page-section {
    padding: var(--space-32) 0;
  }
}

/* Mobile Portrait Breakpoint - 480px */
@media (max-width: 480px) {
  .page-title {
    font-size: var(--font-size-2xl);
  }
  
  .page-subtitle {
    font-size: var(--font-size-base);
  }
  
  .btn {
    padding: var(--space-12) var(--space-16);
    font-size: var(--font-size-sm);
  }
  
  .btn--lg {
    padding: var(--space-12) var(--space-24);
    font-size: var(--font-size-base);
  }
  
  .brand-logo {
    height: 32px;
  }
  
  .brand-title {
    font-size: var(--font-size-lg);
  }
  
  .service-card,
  .stat-card,
  .application-item,
  .contact-info,
  .contact-form-container {
    padding: var(--space-20);
  }
  
  .services-grid,
  .stats-grid,
  .applications-grid {
    gap: var(--space-20);
  }
  
  .container {
    padding: 0 var(--space-12);
  }
  
  .nav {
    padding: 0 var(--space-12);
  }
  
  .theme-toggle {
    width: 36px;
    height: 36px;
    margin-left: var(--space-8);
  }
  
  .quantum-gate {
    width: var(--space-16);
    height: var(--space-16);
  }
  
  .photon {
    width: var(--space-6);
    height: var(--space-6);
  }
  
  .page-section {
    padding: var(--space-24) 0;
    min-height: auto;
  }
  
  .stat-number {
    font-size: var(--font-size-3xl);
  }
  
  .service-icon {
    font-size: var(--font-size-3xl);
  }
}
```