: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 */
/* VedhAi Premium Futuristic Website Styles */

:root {
  /* VedhAi Brand Colors */
  --primary-teal: #00C9A7;
  --primary-gold: #D4AF37;
  --primary-navy: #1B263B;
  --dark-bg: #0A0F1C;
  --surface-bg: #1A1F2E;
  --text-light: #FFFFFF;
  --text-secondary: #B0B8C9;
  
  /* Enhanced Color Palette */
  --neon-cyan: #00FFFF;
  --neon-purple: #8A2BE2;
  --neon-green: #39FF14;
  --electric-blue: #007BFF;
  --holographic-pink: #FF1493;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-gold) 100%);
  --gradient-dark: linear-gradient(135deg, var(--dark-bg) 0%, var(--primary-navy) 100%);
  --gradient-cyber: linear-gradient(45deg, var(--neon-cyan), var(--neon-purple), var(--primary-teal));
  --gradient-holographic: linear-gradient(45deg, var(--holographic-pink), var(--neon-cyan), var(--primary-gold), var(--neon-green));
  
  /* Shadows & Glows */
  --shadow-neon: 0 0 20px var(--primary-teal), 0 0 40px var(--primary-teal), 0 0 60px var(--primary-teal);
  --shadow-gold: 0 0 20px var(--primary-gold), 0 0 40px var(--primary-gold);
  --shadow-cyber: 0 5px 30px rgba(0, 201, 167, 0.3);
  
  /* Typography */
  --font-primary: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-display: 'Orbitron', 'Inter', monospace;
  
  /* Transitions */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-elastic: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

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

body {
  font-family: var(--font-primary);
  background: var(--dark-bg);
  color: var(--text-light);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

body.dark-theme {
  background: radial-gradient(ellipse at top, var(--primary-navy) 0%, var(--dark-bg) 50%, #000 100%);
}

/* ================================
   PARTICLE BACKGROUND SYSTEM
================================ */
.particle-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary-teal);
  border-radius: 50%;
  opacity: 0.6;
  animation: particleFloat 20s infinite linear;
  box-shadow: 0 0 10px var(--primary-teal);
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 15s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; animation-duration: 18s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; animation-duration: 22s; }
.particle:nth-child(4) { left: 40%; animation-delay: 6s; animation-duration: 16s; }
.particle:nth-child(5) { left: 50%; animation-delay: 8s; animation-duration: 20s; }
.particle:nth-child(6) { left: 60%; animation-delay: 10s; animation-duration: 19s; }
.particle:nth-child(7) { left: 70%; animation-delay: 12s; animation-duration: 17s; }
.particle:nth-child(8) { left: 80%; animation-delay: 14s; animation-duration: 21s; }
.particle:nth-child(9) { left: 90%; animation-delay: 16s; animation-duration: 23s; }
.particle:nth-child(10) { left: 95%; animation-delay: 18s; animation-duration: 14s; }

@keyframes particleFloat {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

/* ================================
   NEURAL NETWORK BACKGROUND
================================ */
.neural-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.1;
  background-image: 
    radial-gradient(circle at 20% 30%, var(--primary-teal) 1px, transparent 1px),
    radial-gradient(circle at 80% 70%, var(--primary-gold) 1px, transparent 1px),
    radial-gradient(circle at 40% 80%, var(--neon-cyan) 1px, transparent 1px);
  background-size: 100px 100px, 150px 150px, 200px 200px;
  animation: neuralPulse 8s ease-in-out infinite;
}

@keyframes neuralPulse {
  0%, 100% { opacity: 0.1; transform: scale(1); }
  50% { opacity: 0.2; transform: scale(1.05); }
}

/* ================================
   LOADING SCREEN
================================ */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--dark-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader {
  text-align: center;
  position: relative;
}

.loader-core {
  width: 80px;
  height: 80px;
  border: 3px solid transparent;
  border-top: 3px solid var(--primary-teal);
  border-right: 3px solid var(--primary-gold);
  border-radius: 50%;
  animation: loaderSpin 1s linear infinite;
  margin: 0 auto 20px;
  position: relative;
}

.loader-core::before {
  content: '';
  position: absolute;
  top: 5px;
  left: 5px;
  right: 5px;
  bottom: 5px;
  border: 2px solid transparent;
  border-top: 2px solid var(--neon-cyan);
  border-radius: 50%;
  animation: loaderSpin 0.8s linear infinite reverse;
}

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

.loader-text {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: textGlow 2s ease-in-out infinite alternate;
}

@keyframes textGlow {
  0% { filter: drop-shadow(0 0 5px var(--primary-teal)); }
  100% { filter: drop-shadow(0 0 20px var(--primary-gold)); }
}

/* ================================
   NAVIGATION
================================ */
.nav-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(26, 31, 46, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 201, 167, 0.2);
  transition: var(--transition-smooth);
}

.nav-container.scrolled {
  background: rgba(10, 15, 28, 0.95);
  box-shadow: var(--shadow-cyber);
}

.nav-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.brand-logo {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  position: relative;
  transition: var(--transition-smooth);
}

.brand-logo:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 0 10px var(--primary-teal));
}

.nav-menu {
  display: flex;
  gap: 30px;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  padding: 10px 0;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-light);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary-teal);
  margin: 3px 0;
  transition: var(--transition-smooth);
  border-radius: 2px;
}

/* ================================
   WELCOME POPUP
================================ */
.welcome-popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: popupSlideIn 0.5s ease-out;
}

.welcome-popup.hidden {
  display: none;
}

@keyframes popupSlideIn {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.popup-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
}

.popup-container {
  position: relative;
  width: 90%;
  max-width: 1000px;
  height: 80%;
  background: var(--surface-bg);
  border-radius: 20px;
  border: 2px solid var(--primary-teal);
  box-shadow: var(--shadow-neon);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: popupFloat 0.6s ease-out;
}

@keyframes popupFloat {
  0% {
    transform: translateY(50px) scale(0.9);
    opacity: 0;
  }
  100% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

.popup-header {
  padding: 20px;
  border-bottom: 1px solid rgba(0, 201, 167, 0.3);
  position: relative;
  background: linear-gradient(135deg, rgba(0, 201, 167, 0.1), rgba(212, 175, 55, 0.1));
}

.popup-header h2 {
  font-family: var(--font-display);
  font-size: 24px;
  margin-bottom: 5px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.popup-header p {
  color: var(--text-secondary);
  margin: 0;
}

.popup-close {
  position: absolute;
  top: 15px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 30px;
  cursor: pointer;
  transition: var(--transition-smooth);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.popup-close:hover {
  color: var(--primary-teal);
  background: rgba(0, 201, 167, 0.1);
  transform: rotate(90deg);
}

.popup-content {
  flex: 1;
  padding: 0;
}

.brochure-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.popup-footer {
  padding: 20px;
  border-top: 1px solid rgba(0, 201, 167, 0.3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 15, 28, 0.5);
}

.popup-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 14px;
}

.popup-checkbox input {
  accent-color: var(--primary-teal);
}

/* ================================
   MAIN CONTENT & PAGE SYSTEM
================================ */
.main-container {
  position: relative;
  z-index: 10;
  min-height: 100vh;
  padding-top: 70px;
}

.page {
  min-height: calc(100vh - 70px);
  opacity: 0;
  visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  transition: all 0.5s ease;
  transform: translateX(100px);
}

.page.active {
  opacity: 1;
  visibility: visible;
  position: relative;
  transform: translateX(0);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-header {
  text-align: center;
  padding: 80px 0 60px;
  position: relative;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  margin-bottom: 20px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: titleSlideIn 0.8s ease-out;
}

.page-header p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  animation: subtitleSlideIn 1s ease-out;
}

@keyframes titleSlideIn {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes subtitleSlideIn {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ================================
   HOME PAGE SPECIFIC STYLES
================================ */
.hero-section {
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero-text {
  z-index: 10;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 30px;
}

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

.text-reveal {
  display: inline-block;
  animation: textReveal 0.8s ease-out forwards;
  opacity: 0;
  transform: translateY(30px);
}

.text-reveal:nth-child(1) { animation-delay: 0.2s; }
.text-reveal:nth-child(2) { animation-delay: 0.4s; }
.text-reveal:nth-child(3) { animation-delay: 0.6s; }

@keyframes textReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.6;
  animation-delay: 0.8s;
}

.hero-cta {
  display: flex;
  gap: 20px;
  animation-delay: 1s;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.ai-orb {
  position: relative;
  width: 300px;
  height: 300px;
  animation: orbFloat 6s ease-in-out infinite;
}

@keyframes orbFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

.orb-core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120px;
  height: 120px;
  background: var(--gradient-primary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: var(--shadow-neon);
  animation: coreGlow 2s ease-in-out infinite alternate;
}

@keyframes coreGlow {
  0% { box-shadow: var(--shadow-neon); }
  100% { box-shadow: var(--shadow-gold); }
}

.orb-rings {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.ring {
  position: absolute;
  border: 2px solid var(--primary-teal);
  border-radius: 50%;
  opacity: 0.6;
}

.ring-1 {
  width: 200px;
  height: 200px;
  top: -100px;
  left: -100px;
  animation: ringRotate 10s linear infinite;
}

.ring-2 {
  width: 250px;
  height: 250px;
  top: -125px;
  left: -125px;
  border-color: var(--primary-gold);
  animation: ringRotate 15s linear infinite reverse;
}

.ring-3 {
  width: 300px;
  height: 300px;
  top: -150px;
  left: -150px;
  border-color: var(--neon-cyan);
  animation: ringRotate 20s linear infinite;
}

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

/* ================================
   STATS SECTION
================================ */
.stats-section {
  padding: 100px 0;
  background: rgba(26, 31, 46, 0.5);
  border-top: 1px solid rgba(0, 201, 167, 0.2);
  border-bottom: 1px solid rgba(0, 201, 167, 0.2);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

.stat-card {
  text-align: center;
  padding: 40px 20px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  border: 1px solid rgba(0, 201, 167, 0.3);
  transition: var(--transition-elastic);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 201, 167, 0.1), transparent);
  transition: left 0.6s ease;
}

.stat-card:hover::before {
  left: 100%;
}

.stat-card:hover {
  transform: translateY(-10px) scale(1.05);
  box-shadow: var(--shadow-cyber);
  border-color: var(--primary-teal);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: 10px;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 16px;
  font-weight: 500;
}

/* ================================
   FEATURES SECTION
================================ */
.features-section {
  padding: 100px 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 60px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  padding: 40px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  border: 1px solid rgba(0, 201, 167, 0.2);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: var(--transition-elastic);
  cursor: pointer;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 201, 167, 0.1), rgba(212, 175, 55, 0.1));
  opacity: 0;
  transition: var(--transition-smooth);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card:hover {
  transform: translateY(-15px) rotateX(5deg);
  box-shadow: var(--shadow-cyber);
  border-color: var(--primary-teal);
}

.feature-icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: block;
  animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.feature-card h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-light);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.feature-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--primary-teal) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: var(--transition-smooth);
  pointer-events: none;
}

.feature-card:hover .feature-glow {
  opacity: 0.1;
}

/* ================================
   TESTIMONIALS SECTION
================================ */
.testimonials-section {
  padding: 100px 0;
  background: rgba(26, 31, 46, 0.5);
}

.testimonials-carousel {
  position: relative;
  max-width: 800px;
  margin: 0 auto 40px;
  height: 200px;
  overflow: hidden;
}

.testimonial-card {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 40px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  border: 1px solid rgba(0, 201, 167, 0.2);
  opacity: 0;
  transform: translateX(100px);
  transition: var(--transition-smooth);
}

.testimonial-card.active {
  opacity: 1;
  transform: translateX(0);
}

.testimonial-content p {
  font-size: 18px;
  line-height: 1.6;
  margin-bottom: 20px;
  font-style: italic;
  color: var(--text-light);
}

.testimonial-author strong {
  color: var(--primary-teal);
  font-weight: 600;
}

.testimonial-author span {
  color: var(--text-secondary);
  font-size: 14px;
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(0, 201, 167, 0.3);
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.dot.active,
.dot:hover {
  background: var(--primary-teal);
  box-shadow: 0 0 10px var(--primary-teal);
}

/* ================================
   BUTTONS & INTERACTIVE ELEMENTS
================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition-elastic);
  z-index: 1;
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--dark-bg);
  box-shadow: var(--shadow-cyber);
}

.btn--primary:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-neon);
}

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

.btn--outline:hover {
  background: var(--primary-teal);
  color: var(--dark-bg);
  box-shadow: var(--shadow-neon);
  transform: translateY(-3px) scale(1.05);
}

.btn--lg {
  padding: 18px 40px;
  font-size: 18px;
}

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

.btn-ripple {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease;
}

.btn:active .btn-ripple {
  width: 300px;
  height: 300px;
}

.glow-btn {
  animation: buttonGlow 2s ease-in-out infinite alternate;
}

@keyframes buttonGlow {
  0% { box-shadow: var(--shadow-cyber); }
  100% { box-shadow: var(--shadow-neon); }
}

/* ================================
   GLASS MORPHISM CARDS
================================ */
.glass-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  transition: var(--transition-elastic);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.6s ease;
}

.glass-card:hover::before {
  left: 100%;
}

.glass-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: rgba(0, 201, 167, 0.5);
  box-shadow: var(--shadow-cyber);
}

/* ================================
   EARLY BIRD BANNER
================================ */
.early-bird-banner {
  background: linear-gradient(135deg, #ff4757 0%, #ff6b7a 100%);
  border-radius: 20px;
  margin-bottom: 60px;
  overflow: hidden;
  position: relative;
  animation: bannerPulse 3s ease-in-out infinite;
  cursor: pointer;
}

@keyframes bannerPulse {
  0%, 100% { 
    box-shadow: 0 10px 30px rgba(255, 71, 87, 0.3);
    transform: scale(1);
  }
  50% { 
    box-shadow: 0 20px 50px rgba(255, 71, 87, 0.5);
    transform: scale(1.02);
  }
}

.banner-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 25px 40px;
  position: relative;
  z-index: 2;
}

.banner-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: shimmer 2.5s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

.banner-icon {
  font-size: 30px;
  margin-right: 20px;
  animation: bounce 1.5s ease-in-out infinite;
}

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

.banner-text h3 {
  font-size: 24px;
  font-weight: 800;
  margin: 0;
  color: white;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.banner-text p {
  font-size: 16px;
  margin: 0;
  opacity: 0.9;
  font-weight: 600;
}

.banner-badge {
  background: rgba(255, 255, 255, 0.2);
  padding: 10px 20px;
  border-radius: 25px;
  font-size: 14px;
  font-weight: 800;
  border: 2px solid rgba(255, 255, 255, 0.3);
  animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}

/* ================================
   SERVICES PAGE STYLES
================================ */
.program-category {
  margin-bottom: 80px;
}

.category-title {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 15px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.category-description {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 40px;
  font-size: 18px;
}

.programs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.program-card {
  padding: 30px;
  position: relative;
  transition: var(--transition-elastic);
  cursor: pointer;
}

.program-card.featured-program {
  border: 2px solid var(--primary-gold);
  box-shadow: 0 0 30px rgba(212, 175, 55, 0.3);
}

.discount-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: linear-gradient(135deg, #ff4757, #ff6b7a);
  color: white;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 800;
  box-shadow: 0 5px 15px rgba(255, 71, 87, 0.4);
  animation: badgeFloat 3s ease-in-out infinite;
  z-index: 10;
}

@keyframes badgeFloat {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-5px) rotate(2deg); }
}

.featured-label {
  position: absolute;
  top: -1px;
  left: 20px;
  background: var(--primary-gold);
  color: var(--dark-bg);
  padding: 8px 16px;
  border-radius: 0 0 10px 10px;
  font-size: 12px;
  font-weight: 700;
  z-index: 10;
}

.program-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  padding-right: 80px;
}

.program-header h4 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-light);
  margin: 0;
}

.program-duration {
  background: var(--primary-teal);
  color: var(--dark-bg);
  padding: 5px 12px;
  border-radius: 15px;
  font-size: 12px;
  font-weight: 600;
}

.program-pricing {
  margin-bottom: 15px;
}

.original-price {
  display: block;
  color: var(--text-secondary);
  text-decoration: line-through;
  font-size: 14px;
  margin-bottom: 5px;
}

.discounted-price {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: #2ecc71;
  text-shadow: 0 2px 10px rgba(46, 204, 113, 0.3);
}

.program-description {
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.program-details {
  display: flex;
  gap: 15px;
  margin-bottom: 25px;
}

.detail-item {
  background: rgba(0, 201, 167, 0.1);
  color: var(--primary-teal);
  padding: 5px 12px;
  border-radius: 15px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(0, 201, 167, 0.3);
}

.program-btn {
  margin-top: auto;
}

/* ================================
   BLOG PAGE STYLES
================================ */
.blog-filters {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 12px 24px;
  background: transparent;
  border: 2px solid rgba(0, 201, 167, 0.3);
  color: var(--text-secondary);
  border-radius: 25px;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--primary-teal);
  color: var(--dark-bg);
  border-color: var(--primary-teal);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 201, 167, 0.3);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.blog-card {
  padding: 0;
  overflow: hidden;
  transition: var(--transition-elastic);
  cursor: pointer;
}

.blog-card:hover {
  transform: translateY(-15px) scale(1.02);
}

.blog-image {
  position: relative;
  height: 200px;
  background: var(--gradient-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.blog-placeholder {
  text-align: center;
}

.blog-icon {
  font-size: 48px;
  margin-bottom: 10px;
  display: block;
}

.blog-category {
  position: absolute;
  top: 15px;
  left: 15px;
  background: var(--primary-teal);
  color: var(--dark-bg);
  padding: 5px 12px;
  border-radius: 15px;
  font-size: 12px;
  font-weight: 600;
}

.blog-content {
  padding: 25px;
}

.blog-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-light);
  line-height: 1.3;
}

.blog-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.blog-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: var(--text-secondary);
}

.read-time {
  background: rgba(0, 201, 167, 0.1);
  color: var(--primary-teal);
  padding: 4px 8px;
  border-radius: 10px;
  font-weight: 500;
}

/* ================================
   CONTACT PAGE STYLES
================================ */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 40px;
}

.contact-form-container {
  padding: 40px;
}

.contact-form-container h3 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 30px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.form-group {
  position: relative;
  margin-bottom: 25px;
}

.form-control {
  width: 100%;
  padding: 15px 0;
  background: transparent;
  border: none;
  border-bottom: 2px solid rgba(0, 201, 167, 0.3);
  color: var(--text-light);
  font-size: 16px;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-bottom-color: var(--primary-teal);
}

.form-control::placeholder {
  color: var(--text-secondary);
}

.form-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.form-control:focus + .form-line {
  width: 100%;
}

.contact-info-section {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.contact-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.contact-info-card {
  padding: 25px;
  text-align: center;
  transition: var(--transition-elastic);
  cursor: pointer;
}

.contact-info-card:hover {
  transform: translateY(-10px) rotateY(5deg);
}

.contact-icon {
  font-size: 32px;
  margin-bottom: 15px;
  display: block;
}

.contact-info-card h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-light);
}

.contact-info-card p {
  color: var(--text-secondary);
  margin-bottom: 15px;
}

.contact-btn {
  background: var(--gradient-primary);
  color: var(--dark-bg);
  border: none;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.contact-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 5px 15px rgba(0, 201, 167, 0.3);
}

.social-section {
  text-align: center;
}

.social-section h4 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-light);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: rgba(0, 201, 167, 0.1);
  border: 2px solid rgba(0, 201, 167, 0.3);
  border-radius: 50%;
  color: var(--primary-teal);
  text-decoration: none;
  font-size: 20px;
  transition: var(--transition-elastic);
}

.social-link:hover {
  background: var(--primary-teal);
  color: var(--dark-bg);
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 10px 25px rgba(0, 201, 167, 0.4);
}

/* ================================
   BROCHURE PAGE STYLES
================================ */
.brochure-container {
  max-width: 1200px;
  margin: 0 auto;
}

.brochure-controls {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 30px;
}

.brochure-wrapper {
  border-radius: 20px;
  overflow: hidden;
  border: 2px solid var(--primary-teal);
  box-shadow: var(--shadow-cyber);
  height: 80vh;
  position: relative;
}

.brochure-main-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ================================
   ABOUT PAGE SPECIFIC STYLES
================================ */
.mission-vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 80px;
}

.mission-card,
.vision-card {
  padding: 40px;
  text-align: center;
}

.card-icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: block;
}

.mission-card h3,
.vision-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--primary-teal);
}

.founder-section {
  margin-bottom: 80px;
  padding: 60px 0;
  background: rgba(26, 31, 46, 0.5);
  border-radius: 30px;
  border: 1px solid rgba(0, 201, 167, 0.2);
}

.founder-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.founder-image-container {
  text-align: center;
  position: relative;
}

.founder-image-wrapper {
  position: relative;
  display: inline-block;
}

.founder-placeholder {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--dark-bg);
  font-weight: 700;
  text-align: center;
  margin: 0 auto;
  box-shadow: var(--shadow-cyber);
  transition: var(--transition-elastic);
}

.founder-placeholder:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-neon);
}

.founder-placeholder span {
  font-size: 18px;
  margin-bottom: 5px;
}

.founder-placeholder small {
  font-size: 12px;
  opacity: 0.8;
}

.founder-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, var(--primary-teal) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  opacity: 0.2;
  animation: founderGlow 4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes founderGlow {
  0%, 100% { opacity: 0.2; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.4; transform: translate(-50%, -50%) scale(1.1); }
}

.founder-info h3 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 20px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.founder-info h4 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 10px;
}

.founder-title {
  color: var(--primary-teal);
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 5px;
}

.founder-credentials {
  color: var(--primary-gold);
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 20px;
}

.founder-quote {
  background: rgba(0, 201, 167, 0.1);
  border-left: 4px solid var(--primary-teal);
  padding: 20px;
  border-radius: 10px;
  font-style: italic;
  font-size: 18px;
  margin-bottom: 30px;
  color: var(--text-light);
}

.founder-achievements {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.achievement {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  border: 1px solid rgba(0, 201, 167, 0.2);
  transition: var(--transition-smooth);
}

.achievement:hover {
  background: rgba(0, 201, 167, 0.1);
  border-color: var(--primary-teal);
  transform: translateX(10px);
}

.achievement-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.value-card {
  padding: 30px;
  text-align: center;
}

.value-icon {
  font-size: 40px;
  margin-bottom: 20px;
  display: block;
  animation: valueFloat 3s ease-in-out infinite;
}

@keyframes valueFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.value-card h4 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--primary-teal);
}

.value-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ================================
   BACK TO TOP BUTTON
================================ */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 50%;
  color: var(--dark-bg);
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-elastic);
  z-index: 1000;
  box-shadow: var(--shadow-cyber);
}

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

.back-to-top:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: var(--shadow-neon);
}

/* ================================
   RESPONSIVE DESIGN
================================ */
@media (max-width: 1200px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  
  .ai-orb {
    width: 250px;
    height: 250px;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .founder-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(10, 15, 28, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 40px;
    transition: left 0.3s ease;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .programs-grid {
    grid-template-columns: 1fr;
  }
  
  .mission-vision-grid {
    grid-template-columns: 1fr;
  }
  
  .blog-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-cards {
    grid-template-columns: 1fr;
  }
  
  .banner-content {
    flex-direction: column;
    text-align: center;
    gap: 15px;
  }
  
  .popup-container {
    width: 95%;
    height: 90%;
  }
  
  .popup-header {
    padding: 15px;
  }
  
  .popup-footer {
    padding: 15px;
    flex-direction: column;
    gap: 15px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }
  
  .page-header {
    padding: 60px 0 40px;
  }
  
  .section-title {
    font-size: 36px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .stat-number {
    font-size: 36px;
  }
  
  .founder-placeholder {
    width: 150px;
    height: 150px;
  }
  
  .ai-orb {
    width: 200px;
    height: 200px;
  }
  
  .orb-core {
    width: 80px;
    height: 80px;
  }
  
  .program-header {
    flex-direction: column;
    align-items: flex-start;
    padding-right: 60px;
  }
  
  .program-duration {
    margin-top: 10px;
  }
}

/* ================================
   UTILITY CLASSES & ANIMATIONS
================================ */
.hidden {
  display: none !important;
}

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

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-up {
  animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.scale-in {
  animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

::-webkit-scrollbar-track {
  background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-teal);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-gold);
}

/* Smooth transitions for all interactive elements */
a, button, input, select, textarea {
  transition: var(--transition-smooth);
}

/* Focus styles for accessibility */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--primary-teal);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .nav-container,
  .back-to-top,
  .welcome-popup {
    display: none !important;
  }
  
  .main-container {
    padding-top: 0;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
}