: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: rgb(73, 50, 155);
  --color-orange-500: rgb(130, 47, 168);

  /* 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: "Figtree", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "Figtree", 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: 'Figtree';
  src: url('https://r2cdn.perplexity.ai/fonts/Figtree.woff2')
    format('woff2');
}

/* END PERPLEXITY DESIGN SYSTEM */
/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-family-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-background);
  overflow-x: hidden;
  transition: all 0.3s ease;
}

/* CSS Custom Properties for Animations */
:root {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --warning-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  --dark-gradient: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  --light-gradient: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
  
  --animation-speed-fast: 0.2s;
  --animation-speed-normal: 0.4s;
  --animation-speed-slow: 0.8s;
  --animation-speed-very-slow: 1.2s;
  
  --blur-amount: 20px;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --glow-color: rgba(102, 126, 234, 0.3);
}

/* Dark Theme Variables */
[data-theme="dark"] {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --dark-gradient: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
  --shadow-color: rgba(0, 0, 0, 0.3);
  --glow-color: rgba(102, 126, 234, 0.5);
}

/* Loading Screen Animations */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--dark-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity var(--animation-speed-slow) ease, visibility var(--animation-speed-slow) ease;
}

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

.loading-content {
  text-align: center;
  color: white;
}

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

.logo-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  animation: logoSpin 2s ease-in-out infinite alternate, logoPulse 1.5s ease-in-out infinite;
  position: relative;
  overflow: hidden;
}

.logo-circle::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: var(--primary-gradient);
  border-radius: 50%;
  z-index: -1;
  filter: blur(10px);
  opacity: 0.7;
  animation: logoGlow 2s ease-in-out infinite alternate;
}

.logo-text {
  font-size: 3rem;
  font-weight: 900;
  color: white;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

.logo-particles {
  position: absolute;
  inset: -50px;
  pointer-events: none;
}

.logo-particles::before,
.logo-particles::after {
  content: '';
  position: absolute;
  width: 4px;
  height: 4px;
  background: white;
  border-radius: 50%;
  animation: particleFloat 3s ease-in-out infinite;
}

.logo-particles::before {
  top: 20%;
  left: 10%;
  animation-delay: -0.5s;
}

.logo-particles::after {
  bottom: 20%;
  right: 10%;
  animation-delay: -1.5s;
}

.loading-text {
  margin-top: 1rem;
}

.loading-label {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  display: block;
  opacity: 0.8;
  animation: textFade 2s ease-in-out infinite alternate;
}

.loading-bar {
  width: 300px;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  margin: 0 auto;
  overflow: hidden;
}

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

/* Cursor Effects */
.cursor-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  position: fixed;
  z-index: 9999;
  pointer-events: none;
  transition: transform 0.1s ease;
  mix-blend-mode: difference;
}

.cursor-outline {
  width: 32px;
  height: 32px;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  position: fixed;
  z-index: 9998;
  pointer-events: none;
  transition: all 0.2s ease;
  opacity: 0.5;
}

.cursor-outline.hover {
  transform: scale(1.5);
  opacity: 1;
}

/* Particles Container */
.particles-container {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--color-primary);
  border-radius: 50%;
  opacity: 0.6;
  animation: particleMove 20s linear infinite;
}

/* Scroll Progress */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.1);
}

.scroll-progress-bar {
  height: 100%;
  background: var(--primary-gradient);
  width: 0%;
  transition: width 0.1s ease;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(var(--blur-amount));
  border-bottom: 1px solid var(--color-border);
  transition: all var(--animation-speed-normal) ease;
}

[data-theme="dark"] .navbar {
  background: rgba(26, 26, 46, 0.85);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .navbar.scrolled {
  background: rgba(26, 26, 46, 0.95);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-logo {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: transform var(--animation-speed-normal) ease;
}

.nav-logo:hover {
  transform: scale(1.1) rotate(5deg);
}

.nav-logo-text {
  font-size: 1.5rem;
  font-weight: 900;
  color: white;
}

.nav-brand-text h6 {
  margin: 0;
  font-weight: 700;
  color: var(--color-text);
}

.nav-subtitle {
  color: var(--color-text-secondary);
  font-size: 0.8rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  text-decoration: none;
  position: relative;
  transition: color var(--animation-speed-normal) ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: width var(--animation-speed-normal) ease;
}

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

.nav-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: var(--color-secondary);
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--animation-speed-normal) ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  background: var(--color-primary);
  color: white;
  transform: scale(1.1);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--animation-speed-normal) ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

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

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 2rem;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: var(--dark-gradient);
  animation: gradientShift 10s ease-in-out infinite;
}

.hero-mesh {
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-content {
  max-width: 1200px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50px;
  color: white;
  font-weight: 600;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: badgeFloat 3s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  color: white;
  margin-bottom: 2rem;
  line-height: 1.2;
}

.hero-title-line {
  display: block;
  overflow: hidden;
}

.typing-text {
  position: relative;
  display: inline-block;
}

.typing-text::after {
  content: '|';
  position: absolute;
  right: -4px;
  color: var(--color-primary);
  animation: typingCursor 1s infinite;
}

.hero-description {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 3rem;
  line-height: 1.6;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-primary);
  display: block;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.hero-departments {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.department-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 25px;
  color: white;
  font-weight: 500;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: all var(--animation-speed-normal) ease;
}

.department-pill:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.hero-visual {
  position: relative;
  z-index: 2;
}

.hero-image-container {
    position: relative;
    width: 33vw;
    height: 62vh;
  }

.hero-image-wrapper {
  width: 100%;
  height: 100%;
  border-radius: 20px;
  /* background: #ffff; */
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  animation: heroImageFloat 6s ease-in-out infinite;
}

.hero-image-wrapper::before {
  content: '';
  position: absolute;
  inset: -2px;
  /* background: var(--primary-gradient); */
  border-radius: 22px;
  z-index: -1;
  filter: blur(20px);
  opacity: 0.7;
}

.hero-image-placeholder {
  font-size: 4rem;
  color: white;
  opacity: 0.8;
}

.floating-elements {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.floating-element {
  position: absolute;
  font-size: 2rem;
  color: rgba(255, 255, 255, 0.6);
  animation: floatingElement 10s ease-in-out infinite;
}
/* Split-around layout for 21 elements */

/* Floating elements scattered around the card in a natural circle-like layout */


/* Unshaped yet balanced positions */
.floating-element:nth-child(1)  { top: 8%;  left: 42%; font-size: 3rem;  animation-delay: 0s; }
.floating-element:nth-child(2)  { top: 12%; right: 25%; font-size: 4rem; animation-delay: -1s; }
.floating-element:nth-child(3)  { top: 35%; right: 5%;  font-size: 2.2rem; animation-delay: -2s; }
.floating-element:nth-child(4)  { bottom: 25%; right: 15%; font-size: 3.5rem; animation-delay: -3s; }
.floating-element:nth-child(5)  { bottom: 10%; left: 35%; font-size: 2rem; animation-delay: -4s; }
.floating-element:nth-child(6)  { bottom: 30%; left: 10%; font-size: 1.8rem; animation-delay: -5s; }
.floating-element:nth-child(7)  { top: 35%; left: 5%;  font-size: 2.6rem; animation-delay: -6s; }
.floating-element:nth-child(8)  { top: 15%; left: 12%; font-size: 5rem; animation-delay: -7s; }
.floating-element:nth-child(9)  { bottom: 15%; right: 35%; font-size: 1.5rem; animation-delay: -8s; }
.floating-element:nth-child(10) { top: 20%; left: 55%; font-size: 3rem;  animation-delay: -9s; }

/* Floating motion */
@keyframes float {
  0%   { transform: translateY(0) scale(1); opacity: 1; }
  50%  { transform: translateY(-10px) scale(1.05); opacity: 0.9; }
  100% { transform: translateY(0) scale(1); opacity: 1; }
}


.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: white;
  animation: scrollIndicatorBounce 2s ease-in-out infinite;
}

.scroll-arrow {
  width: 2px;
  height: 30px;
  background: white;
  margin: 0 auto 0.5rem;
  position: relative;
}

.scroll-arrow::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 6px solid white;
}

/* Section Styles */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

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

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

.section-subtitle {
  display: block;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 1rem;
  /* text-transform: uppercase; */
  letter-spacing: 2px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.flip-card {
  background-color: transparent;
  width: 100%;
  height: 300px;
  perspective: 1000px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  background: var(--color-surface);
  border-radius: 20px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.flip-card-back {
  transform: rotateY(180deg);
  background: var(--primary-gradient);
  color: white;
}

.feature-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 2rem;
  color: white;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.flip-card-back ul {
  list-style: none;
  text-align: left;
}

.flip-card-back ul li {
  padding: 0.5rem 0;
  position: relative;
  padding-left: 1.5rem;
}

.flip-card-back ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: white;
  font-weight: bold;
}

/* Programs Section */
.programs-section {
  background: linear-gradient(135deg, var(--color-bg-1), var(--color-bg-2));
}

.program-selector {
  max-width: 800px;
  margin: 0 auto;
}

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

.selector-tab {
  padding: 1rem 2rem;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
  transition: all var(--animation-speed-normal) ease;
  position: relative;
  overflow: hidden;
}

.selector-tab::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--primary-gradient);
  opacity: 0;
  transition: opacity var(--animation-speed-normal) ease;
}

.selector-tab.active::before,
.selector-tab:hover::before {
  opacity: 1;
}

.selector-tab.active,
.selector-tab:hover {
  color: white;
  border-color: transparent;
}

.selector-tab span {
  position: relative;
  z-index: 1;
}

.program-content {
  background: var(--color-surface);
  border-radius: 20px;
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  text-align: center;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Timeline Section */
.interactive-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--primary-gradient);
  transform: translateX(-50%);
  border-radius: 2px;
}

.timeline-items {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.timeline-item {
  display: flex;
  align-items: center;
  gap: 2rem;
  position: relative;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
  text-align: right;
}

.timeline-marker {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
}

.marker-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-gradient);
  border: 4px solid var(--color-background);
  position: relative;
  z-index: 2;
}

.marker-pulse {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  background: var(--glow-color);
  animation: timelinePulse 2s ease-in-out infinite;
}

.timeline-content {
  flex: 1;
  background: var(--color-surface);
  padding: 2rem;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  position: relative;
  transition: transform var(--animation-speed-normal) ease;
}

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

.timeline-content::before {
  content: '';
  position: absolute;
  top: 50%;
  width: 0;
  height: 0;
  border: 10px solid transparent;
}

.timeline-item:nth-child(odd) .timeline-content::before {
  right: -20px;
  border-left-color: var(--color-surface);
}

.timeline-item:nth-child(even) .timeline-content::before {
  left: -20px;
  border-right-color: var(--color-surface);
}

.timeline-date {
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.timeline-content h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  font-weight: 700;
  display: flex;
}

.timeline-skills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.timeline-skills span {
  padding: 0.25rem 0.75rem;
  background: var(--color-bg-3);
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* Mentors Section */
.mentors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.mentor-card {
  background: var(--color-surface);
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  transition: all var(--animation-speed-normal) ease;
  position: relative;
  overflow: hidden;
}

.mentor-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--primary-gradient);
  opacity: 0;
  transition: opacity var(--animation-speed-normal) ease;
}

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

.mentor-card:hover::before {
  opacity: 0.1;
}

.mentor-image {
  position: relative;
  margin-bottom: 1.5rem;
}

.mentor-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: white;
  margin: 0 auto;
  position: relative;
  border: 4px solid var(--color-surface);
}

.mentor-social {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  opacity: 0;
  transition: all var(--animation-speed-normal) ease;
}

.mentor-card:hover .mentor-social {
  opacity: 1;
  bottom: -5px;
}

.social-link {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  font-size: 0.9rem;
  transition: all var(--animation-speed-normal) ease;
}

.social-link:hover {
  transform: scale(1.2);
}

.mentor-info {
  position: relative;
  z-index: 1;
}

.mentor-info h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.mentor-role {
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 1rem;
}

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

.mentor-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.mentor-skills span {
  padding: 0.25rem 0.75rem;
  background: var(--color-bg-4);
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* Testimonials Section */
.testimonials-section {
  background: linear-gradient(135deg, var(--color-bg-5), var(--color-bg-6));
}

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

.testimonial-track {
  display: flex;
  transition: transform var(--animation-speed-slow) ease;
  align-items: stretch;
}

.testimonial-card {
  min-width: 100%;
  opacity: 0.3;
  transform: scale(0.9);
  transition: all var(--animation-speed-slow) ease;
}

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

.testimonial-content {
  background: var(--color-surface);
  padding: 3rem;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  position: relative;
  border: 1px solid var(--color-border);
}

.quote-icon {
  font-size: 3rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
  opacity: 0.3;
}

.testimonial-text {
  font-size: 1.2rem;
  line-height: 1.6;
  margin-bottom: 2rem;
  font-style: italic;
  color: var(--color-text);
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

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

.author-info h4 {
  margin: 0 0 0.25rem;
  font-weight: 700;
}

.author-info span {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.testimonial-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
}

.testimonial-prev,
.testimonial-next {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all var(--animation-speed-normal) ease;
}

.testimonial-prev:hover,
.testimonial-next:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: scale(1.1);
}

.testimonial-dots {
  display: flex;
  gap: 0.5rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-border);
  cursor: pointer;
  transition: all var(--animation-speed-normal) ease;
}

.dot.active {
  background: var(--color-primary);
  transform: scale(1.2);
}

/* FAQ Section */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-surface);
  border-radius: 15px;
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--animation-speed-normal) ease;
}

.faq-item:hover {
  box-shadow: var(--shadow-lg);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  cursor: pointer;
  transition: all var(--animation-speed-normal) ease;
}

.faq-question:hover {
  background: rgba(var(--color-primary-rgb, 102, 126, 234), 0.1);
}

.faq-question h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.faq-toggle {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: transform var(--animation-speed-normal) ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: all var(--animation-speed-normal) ease;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 1.5rem 1.5rem;
}

/* Application Section */
.application-section {
  background: var(--dark-gradient);
  color: white;
}

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

.application-info .section-subtitle,
.application-info .section-title,
.application-info .section-description {
  color: white;
  text-align: left;
}

.application-features {
  margin-top: 2rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.feature-item i {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.feature-item h4 {
  margin: 0 0 0.25rem;
  font-size: 1.1rem;
}

.feature-item p {
  margin: 0;
  opacity: 0.8;
}

.application-form-container {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(var(--blur-amount));
  border-radius: 20px;
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.application-form h3 {
  margin-bottom: 2rem;
  text-align: center;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: white;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  font-size: 1rem;
  transition: all var(--animation-speed-normal) ease;
  backdrop-filter: blur(10px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.9rem;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.form-error {
  color: #ff6b6b;
  font-size: 0.8rem;
  margin-top: 0.5rem;
  display: none;
}

.form-error.show {
  display: block;
}

/* Chat Widget */
.chat-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
}

.chat-toggle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all var(--animation-speed-normal) ease;
  position: relative;
}

.chat-toggle:hover {
  transform: scale(1.1);
}

.chat-notification {
  position: absolute;
  top: -5px;
  right: -5px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #ff4757;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: bold;
  animation: notificationPulse 2s ease-in-out infinite;
}

.chat-window {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 350px;
  height: 500px;
  background: var(--color-surface);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  display: none;
  flex-direction: column;
  overflow: hidden;
}

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

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

.chat-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.chat-close {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0.25rem;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--animation-speed-normal) ease;
}

.chat-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

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

.chat-message {
  margin-bottom: 1rem;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.message-avatar {
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.message-content {
  background: var(--color-bg-1);
  padding: 0.75rem;
  border-radius: 15px;
  max-width: 80%;
  font-size: 0.9rem;
  line-height: 1.4;
}

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

.chat-input {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 25px;
  background: var(--color-background);
  font-size: 0.9rem;
}

.chat-send {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--animation-speed-normal) ease;
}

.chat-send:hover {
  transform: scale(1.1);
}

/* Footer */
.footer {
  background: var(--dark-gradient);
  color: white;
  position: relative;
  overflow: hidden;
}

.footer-background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.footer-gradient {
  position: absolute;
  inset: 0;
  background: var(--dark-gradient);
}

.footer-particles {
  position: absolute;
  inset: 0;
  opacity: 0.1;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  position: relative;
  z-index: 1;
  padding: 4rem 0 2rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-logo {
  width: 60px;
  height: 60px;
  border-radius: 15px;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 900;
  color: white;
}

.footer-section h4 {
  margin-bottom: 1.5rem;
  font-weight: 700;
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--animation-speed-normal) ease;
}

.footer-links a:hover {
  color: white;
}

.contact-info {
  margin-bottom: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
}

.contact-item i {
  width: 20px;
  flex-shrink: 0;
}

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

.social-links .social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: all var(--animation-speed-normal) ease;
}

.social-links .social-link:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.footer-legal {
  display: flex;
  gap: 2rem;
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--animation-speed-normal) ease;
}

.footer-legal a:hover {
  color: white;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--animation-speed-normal) ease;
  position: relative;
  overflow: hidden;
  gap: 0.5rem;
}
.btn-primary {
  position: relative;
  padding: 15px 20px !important;
  background: linear-gradient(45deg, #355fe1, #8925c5) !important;
  border: 0 !important;
  border-radius: 30px !important;
  font-size: 16px !important;
  font-weight: 700 !important;
  color: #fff !important;
  overflow: hidden; /* keeps overlays inside */
  z-index: 1;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* overlay base state (hidden) */
.btn-overlay1,
.btn-overlay2 {
  content: "";
  position: absolute;
  width: 120%;
  height: 0;
  background: linear-gradient(45deg, #355fe1, #8925c5);
  z-index: -1;
  transition: height 0.3s ease;
}

.btn-overlay1 {
  top: 0;
  right: -20px;
}

.btn-overlay2 {
  bottom: 0;
  left: -20px;
}

/* on hover - reveal overlays */
.btn-primary:hover {
  background: transparent !important;
  box-shadow: 2px 9px 20px -2px #8477ab !important;
  transform: scale(1.05);
}

.btn-primary:hover .btn-overlay1,
.btn-primary:hover .btn-overlay2 {
  height: 50%; /* animate reveal */
}


.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-outline:hover {
  background: white;
  color: var(--color-text);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.btn-full {
  width: 100%;
}

/* Ripple Effect */
.ripple-effect {
  position: relative;
  overflow: hidden;
}

.ripple-effect::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
  transform: scale(0);
  opacity: 0;
  transition: all 0.6s ease;
}

.ripple-effect:active::before {
  transform: scale(2);
  opacity: 1;
  transition: all 0s;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 2rem;
  right: 2rem;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.toast {
  background: var(--color-surface);
  padding: 1rem 1.5rem;
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-primary);
  transform: translateX(400px);
  opacity: 0;
  animation: toastSlideIn var(--animation-speed-normal) ease forwards;
}

.toast.success {
  border-left-color: #4CAF50;
}

.toast.error {
  border-left-color: #f44336;
}

.toast.warning {
  border-left-color: #ff9800;
}

/* Animation Keyframes */
@keyframes logoSpin {
  to { transform: rotate(360deg); }
}

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

@keyframes logoGlow {
  0%, 100% { filter: blur(10px); opacity: 0.7; }
  50% { filter: blur(15px); opacity: 1; }
}

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

@keyframes textFade {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 1; }
}

@keyframes loadingProgress {
  0% { width: 0%; }
  50% { width: 70%; }
  100% { width: 100%; }
}

@keyframes particleMove {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
}

@keyframes gradientShift {
  0%, 100% { filter: hue-rotate(0deg); }
  50% { filter: hue-rotate(45deg); }
}

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

@keyframes typingCursor {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

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

@keyframes floatingElement {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(180deg); }
}

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

@keyframes timelinePulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.2); }
}

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

@keyframes toastSlideIn {
  to { transform: translateX(0); opacity: 1; }
}

/* Scroll Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(50px);
  transition: all var(--animation-speed-slow) ease;
}

.animate-on-scroll.animate {
  opacity: 1;
  transform: translateY(0);
}

.animate-slide-up {
  opacity: 0;
  transform: translateY(30px);
  animation: slideUp var(--animation-speed-slow) ease forwards;
}

.animate-slide-left {
  opacity: 0;
  transform: translateX(50px);
  animation: slideLeft var(--animation-speed-slow) ease forwards;
}

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

@keyframes slideLeft {
  to { opacity: 1; transform: translateX(0); }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .application-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .timeline-line {
    left: 20px;
  }
  
  .timeline-item,
  .timeline-item:nth-child(even) {
    flex-direction: row;
    text-align: left;
  }
  
  .timeline-item .timeline-content::before,
  .timeline-item:nth-child(even) .timeline-content::before {
    left: -20px;
    border-right-color: var(--color-surface);
    border-left-color: transparent;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .selector-tabs {
    flex-direction: column;
    align-items: center;
  }
  
  .chat-window {
    width: calc(100vw - 2rem);
    right: -1rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  
  section {
    padding: 3rem 0;
  }
  
  .hero {
    padding: 1rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .testimonial-content {
    padding: 1.5rem;
  }
  
  .application-form-container {
    padding: 1rem;
  }
}