:root {
  /* Colors */
  --color-background: rgba(252, 252, 249, 1);
  --color-surface: rgba(255, 255, 253, 1);
  --color-text: rgba(19, 52, 59, 1);
  --color-text-secondary: rgba(98, 108, 113, 1);
  --color-primary: rgba(33, 128, 141, 1);
  --color-primary-hover: rgba(29, 116, 128, 1);
  --color-primary-active: rgba(26, 104, 115, 1);
  --color-secondary: rgba(94, 82, 64, 0.12);
  --color-secondary-hover: rgba(94, 82, 64, 0.2);
  --color-secondary-active: rgba(94, 82, 64, 0.25);
  --color-border: rgba(94, 82, 64, 0.2);
  --color-btn-primary-text: rgba(252, 252, 249, 1);
  --color-card-border: rgba(94, 82, 64, 0.12);
  --color-card-border-inner: rgba(94, 82, 64, 0.12);
  --color-error: rgba(192, 21, 47, 1);
  --color-success: rgba(33, 128, 141, 1);
  --color-warning: rgba(168, 75, 47, 1);
  --color-info: rgba(98, 108, 113, 1);
  --color-focus-ring: rgba(33, 128, 141, 0.4);
  --color-select-caret: rgba(19, 52, 59, 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 {
    --color-background: rgba(31, 33, 33, 1);
    --color-surface: rgba(38, 40, 40, 1);
    --color-text: rgba(245, 245, 245, 1);
    --color-text-secondary: rgba(167, 169, 169, 0.7);
    --color-primary: rgba(50, 184, 198, 1);
    --color-primary-hover: rgba(45, 166, 178, 1);
    --color-primary-active: rgba(41, 150, 161, 1);
    --color-secondary: rgba(119, 124, 124, 0.15);
    --color-secondary-hover: rgba(119, 124, 124, 0.25);
    --color-secondary-active: rgba(119, 124, 124, 0.3);
    --color-border: rgba(119, 124, 124, 0.3);
    --color-error: rgba(255, 84, 89, 1);
    --color-success: rgba(50, 184, 198, 1);
    --color-warning: rgba(230, 129, 97, 1);
    --color-info: rgba(167, 169, 169, 1);
    --color-focus-ring: rgba(50, 184, 198, 0.4);
    --color-btn-primary-text: rgba(19, 52, 59, 1);
    --color-card-border: rgba(119, 124, 124, 0.2);
    --color-card-border-inner: rgba(119, 124, 124, 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(119, 124, 124, 0.2);
    --color-border-secondary: rgba(119, 124, 124, 0.2);
    --color-select-caret: rgba(245, 245, 245, 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: 50, 184, 198;
    --color-error-rgb: 255, 84, 89;
    --color-warning-rgb: 230, 129, 97;
    --color-info-rgb: 167, 169, 169;
  }
}

/* Data attribute for manual theme switching */
[data-color-scheme="dark"] {
  --color-background: rgba(31, 33, 33, 1);
  --color-surface: rgba(38, 40, 40, 1);
  --color-text: rgba(245, 245, 245, 1);
  --color-text-secondary: rgba(167, 169, 169, 0.7);
  --color-primary: rgba(50, 184, 198, 1);
  --color-primary-hover: rgba(45, 166, 178, 1);
  --color-primary-active: rgba(41, 150, 161, 1);
  --color-secondary: rgba(119, 124, 124, 0.15);
  --color-secondary-hover: rgba(119, 124, 124, 0.25);
  --color-secondary-active: rgba(119, 124, 124, 0.3);
  --color-border: rgba(119, 124, 124, 0.3);
  --color-error: rgba(255, 84, 89, 1);
  --color-success: rgba(50, 184, 198, 1);
  --color-warning: rgba(230, 129, 97, 1);
  --color-info: rgba(167, 169, 169, 1);
  --color-focus-ring: rgba(50, 184, 198, 0.4);
  --color-btn-primary-text: rgba(19, 52, 59, 1);
  --color-card-border: rgba(119, 124, 124, 0.15);
  --color-card-border-inner: rgba(119, 124, 124, 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(119, 124, 124, 0.2);
  --color-select-caret: rgba(245, 245, 245, 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: 50, 184, 198;
  --color-error-rgb: 255, 84, 89;
  --color-warning-rgb: 230, 129, 97;
  --color-info-rgb: 167, 169, 169;
}

[data-color-scheme="light"] {
  --color-background: rgba(252, 252, 249, 1);
  --color-surface: rgba(255, 255, 253, 1);
  --color-text: rgba(19, 52, 59, 1);
  --color-text-secondary: rgba(98, 108, 113, 1);
  --color-primary: rgba(33, 128, 141, 1);
  --color-primary-hover: rgba(29, 116, 128, 1);
  --color-primary-active: rgba(26, 104, 115, 1);
  --color-secondary: rgba(94, 82, 64, 0.12);
  --color-secondary-hover: rgba(94, 82, 64, 0.2);
  --color-secondary-active: rgba(94, 82, 64, 0.25);
  --color-border: rgba(94, 82, 64, 0.2);
  --color-btn-primary-text: rgba(252, 252, 249, 1);
  --color-card-border: rgba(94, 82, 64, 0.12);
  --color-card-border-inner: rgba(94, 82, 64, 0.12);
  --color-error: rgba(192, 21, 47, 1);
  --color-success: rgba(33, 128, 141, 1);
  --color-warning: rgba(168, 75, 47, 1);
  --color-info: rgba(98, 108, 113, 1);
  --color-focus-ring: rgba(33, 128, 141, 0.4);

  /* RGB versions for light mode */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;
}

/* 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 */
/* Design system with modern Squarespace-inspired theme */
:root {
  /* Colors - updated primary color */
  --color-primary: #1a1a2e;
  --color-primary-hover: #151526;
  --color-primary-active: #0f0f1a;
  --color-accent: #007bff;
  --color-accent-hover: #0056b3;
  
  /* Clean, modern palette */
  --color-background: #fcfcf9;
  --color-surface: #ffffff;
  --color-text: #13343b;
  --color-text-secondary: #626c71;
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;
  
  /* Typography */
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  
  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
}

/* Container with center alignment */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-light);
  z-index: 1000;
  padding: var(--space-md) 0;
}

.nav__brand h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.nav__menu {
  display: flex;
  list-style: none;
  gap: var(--space-2xl);
  align-items: center;
}

.nav__link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: color 0.2s ease;
  padding: var(--space-sm) 0;
  position: relative;
}

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

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all 0.3s ease;
}

/* Main content */
.main {
  margin-top: 80px;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

/* Page headers - center aligned */
.page-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
  padding: var(--space-4xl) 0 var(--space-2xl);
}

.page-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.page-header p {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Hero section */
.hero {
  background: linear-gradient(135deg, var(--color-surface) 0%, #f8fafc 100%);
  padding: var(--space-4xl) 0;
  min-height: 70vh;
  display: flex;
  align-items: center;
}

.hero__content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xl);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
  line-height: 1.5;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero__cta {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* Advertisement slots */
.ad-slot {
  display: block;
  background: #f8fafc;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  margin: var(--space-xl) 0;
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.ad-slot::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 48%, rgba(0, 123, 255, 0.05) 50%, transparent 52%);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.ad-slot:hover::before {
  transform: translateX(100%);
}

.ad-slot:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(0, 123, 255, 0.02);
}

/* Specific ad sizes */
.ad--leaderboard {
  max-width: 728px;
  height: 90px;
  margin: var(--space-2xl) auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ad--mrec {
  width: 300px;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ad--halfpage {
  width: 300px;
  height: 600px;
  margin: var(--space-2xl) auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ad--billboard {
  max-width: 970px;
  height: 250px;
  margin: var(--space-2xl) auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-sticky {
  position: sticky;
  top: 100px;
}

/* Stats section */
.stats {
  padding: var(--space-4xl) 0;
  background: var(--color-surface);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-lg);
}

.stats__card {
  text-align: center;
  padding: var(--space-2xl);
  background: var(--color-background);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  transition: all 0.3s ease;
}

.stats__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stats__number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  font-family: var(--font-serif);
}

.stats__label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.stats__caption {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-style: italic;
}

/* Course sections */
.courses-preview {
  padding: var(--space-4xl) 0;
}

.section-title {
  text-align: center;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2xl);
  letter-spacing: -0.02em;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-2xl);
  max-width: 1200px;
  margin: 0 auto;
}

.course-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  transition: all 0.3s ease;
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.course-card__header {
  padding: var(--space-xl);
  background: linear-gradient(135deg, var(--color-accent) 0%, #0056b3 100%);
  color: white;
}

.course-card__header h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: white; /* Ensure white text */
}

.course-card__level {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  color: white;
}

.course-card__body {
  padding: var(--space-xl);
}

.course-card__body p {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.course-features {
  list-style: none;
  padding: 0;
  margin-top: var(--space-lg);
}

.course-features li {
  padding: var(--space-sm) 0;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  position: relative;
  padding-left: var(--space-lg);
}

.course-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}

.course-card__footer {
  padding: var(--space-xl);
  background: var(--color-background);
  border-top: 1px solid var(--color-border-light);
}

/* Course pages */
.course-page .course-hero {
  background: linear-gradient(135deg, var(--color-accent) 0%, #0056b3 100%);
  color: white;
  padding: var(--space-4xl) 0;
  text-align: center;
}

.course-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: white; /* Ensure white text */
}

.course-hero .lead {
  font-size: 1.25rem;
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.9;
  color: white;
}

.course-meta {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.course-meta span {
  background: rgba(255, 255, 255, 0.2);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: white;
}

/* Course overview section */
.course-overview {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-4xl) 0;
  text-align: center;
}

.course-description {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
}

.course-benefits {
  text-align: left;
  background: var(--color-surface);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
}

.course-benefits h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
  text-align: center;
}

.course-benefits ul {
  list-style: none;
  padding: 0;
}

.course-benefits li {
  padding: var(--space-sm) 0;
  color: var(--color-text-secondary);
  line-height: 1.6;
  position: relative;
  padding-left: var(--space-lg);
}

.course-benefits li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}

/* Accordion */
.accordion {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-surface);
  border: none;
  text-align: left;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-text);
  cursor: pointer;
  transition: background 0.2s ease;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.accordion-header:hover {
  background: var(--color-background);
}

.accordion-icon {
  font-size: 1.2rem;
  color: var(--color-accent);
  transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-body {
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-background);
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border-light);
  display: none;
}

.accordion-body ul {
  margin-top: var(--space-md);
  padding-left: var(--space-lg);
}

.accordion-body li {
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

.accordion-item.active .accordion-body {
  display: block;
}

/* Layout containers - center aligned */
.courses-main-container,
.blog-container {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-2xl);
  align-items: start;
  max-width: 1200px;
  margin: 0 auto;
}

.courses-index,
.blog-list-wrap {
  min-width: 0;
}

.courses-detailed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-2xl);
  max-width: 800px;
  margin: 0 auto;
}

.sidebar-ad {
  position: relative;
}

/* Blog styles */
.blog-preview {
  padding: var(--space-4xl) 0;
  background: var(--color-surface);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-2xl);
  max-width: 1200px;
  margin: 0 auto;
}

.blog-card {
  background: var(--color-background);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  padding: var(--space-xl);
  transition: all 0.3s ease;
  cursor: pointer;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.blog-card__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-text);
  line-height: 1.3;
}

.blog-card__excerpt {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.blog-card__meta {
  display: flex;
  gap: var(--space-md);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* Blog post full */
.blog-post-full {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-2xl) 0;
}

.blog-post-full__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border-light);
}

.blog-post-full__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
  line-height: 1.2;
}

.blog-post-full__meta {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.blog-post-full__content {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-text);
}

.blog-post-full__content h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  margin: var(--space-2xl) 0 var(--space-lg);
  color: var(--color-text);
}

.blog-post-full__content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: var(--space-xl) 0 var(--space-md);
  color: var(--color-text);
}

.blog-post-full__content p {
  margin-bottom: var(--space-lg);
}

.blog-post-full__content ul,
.blog-post-full__content ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.blog-post-full__content li {
  margin-bottom: var(--space-sm);
}

.similar-posts {
  margin-top: var(--space-4xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border-light);
}

.similar-posts h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-xl);
  text-align: center;
}

.similar-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.similar-post-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  padding: var(--space-lg);
  transition: all 0.3s ease;
  cursor: pointer;
}

.similar-post-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.similar-post-card h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
  line-height: 1.3;
}

.similar-post-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.5;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--color-accent);
  color: white;
}

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

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

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

.btn--lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.1rem;
}

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

/* Form elements */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
}

.form-control {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-surface);
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: normal;
}

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

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

.faq-item {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-surface);
  border: none;
  text-align: left;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.2s ease;
}

.faq-question:hover {
  background: var(--color-background);
}

.faq-answer {
  padding: var(--space-lg) var(--space-xl);
  text-align:left;
  background: var(--color-background);
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border-light);
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-icon {
  font-size: 1.5rem;
  color: var(--color-accent);
  transition: transform 0.3s ease;
}

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

/* About page styles */
.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-section {
  margin-bottom: var(--space-4xl);
}

.about-section h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.about-section p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.expertise-areas {
  margin-top: var(--space-2xl);
}

.expertise-areas h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-xl);
  color: var(--color-text);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.expertise-item {
  background: var(--color-surface);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

.expertise-item h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.expertise-item p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin: 0;
}

.approach-list {
  text-align: left;
  max-width: 500px;
  margin: 0 auto;
}

.approach-list li {
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.impact-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  margin-top: var(--space-2xl);
  flex-wrap: wrap;
}

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

.impact-stat h3 {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.impact-stat p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin: 0;
}

.cta-buttons {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

/* Contact page styles */
.contact-methods {
  margin-bottom: var(--space-4xl);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.contact-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  padding: var(--space-2xl);
  text-align: center;
}

.contact-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.contact-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.contact-card ul {
  list-style: none;
  padding: 0;
  text-align: left;
}

.contact-card li {
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

.business-hours {
  text-align: center;
  background: var(--color-surface);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  margin-bottom: var(--space-2xl);
}

.business-hours h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.additional-info {
  text-align: center;
  margin-top: var(--space-2xl);
}

.additional-info h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.text-link {
  color: var(--color-accent);
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
}

/* Advertising page styles */
.advertising-overview {
  margin-bottom: var(--space-4xl);
}

.audience-stats {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.audience-stats h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: var(--space-xl);
  color: var(--color-text);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.stat-item {
  text-align: center;
  background: var(--color-surface);
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

.stat-item h3 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.stat-item p {
  color: var(--color-text-secondary);
  margin: 0;
}

.audience-demographics {
  text-align: left;
  max-width: 600px;
  margin: 0 auto;
}

.audience-demographics h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
  text-align: center;
}

.audience-demographics ul {
  list-style: none;
  padding: 0;
}

.audience-demographics li {
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.package-item {
  background: var(--color-background);
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

.package-item h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.package-item ul {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-lg);
}

.package-item li {
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.advertising-benefits,
.terms-section {
  margin-top: var(--space-2xl);
}

.advertising-benefits h3,
.terms-section h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.advertising-benefits ul,
.terms-section ul {
  list-style: none;
  padding: 0;
}

.advertising-benefits li,
.terms-section li {
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.cta-section {
  text-align: center;
  margin-top: var(--space-4xl);
}

.cta-section h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.cta-section p {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Cards */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.card__body {
  padding: var(--space-xl);
}

.card__body h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.card__body ul {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.card__body li {
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

/* Footer - reduced font size */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-4xl) 0 var(--space-xl);
  margin-top: var(--space-4xl);
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer__section h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem; /* Reduced from 1.25rem */
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.footer__section h4 {
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-text);
  font-size: 0.9rem; /* Reduced font size */
}

.footer__section p {
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-size: 0.85rem; /* Reduced font size */
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: var(--space-sm);
}

.footer__links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 0.85rem; /* Reduced font size */
}

.footer__links a:hover {
  color: var(--color-accent);
}

.footer__bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border-light);
}

.footer__bottom p {
  color: var(--color-text-secondary);
  font-size: 0.8rem; /* Reduced font size */
}

/* Utility classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: var(--space-md); }
.gap-16 { gap: var(--space-lg); }
.mt-8 { margin-top: var(--space-md); }
.mb-8 { margin-bottom: var(--space-md); }
.px-16 { padding-left: var(--space-lg); padding-right: var(--space-lg); }
.py-16 { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }

/* Responsive design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-lg);
  }
  
  .nav__menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--color-border-light);
  }
  
  .nav__menu.active {
    display: flex;
  }
  
  .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;
  }
  
  .hero__cta .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .courses-main-container,
  .blog-container {
    grid-template-columns: 1fr;
  }
  
  .sidebar-ad {
    order: -1;
  }
  
  .ad--mrec {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
  }
  
  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .courses-grid,
  .courses-detailed-grid {
    grid-template-columns: 1fr;
  }
  
  .blog-grid {
    grid-template-columns: 1fr;
  }
  
  .similar-posts-grid {
    grid-template-columns: 1fr;
  }
  
  .footer__content {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .course-meta {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .expertise-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .package-grid {
    grid-template-columns: 1fr;
  }
  
  .impact-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .stats__grid {
    grid-template-columns: 1fr;
  }
  
  .footer__content {
    grid-template-columns: 1fr;
  }
  
  .ad--leaderboard,
  .ad--billboard {
    height: auto;
    min-height: 90px;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-buttons .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* Status messages */
.status-message {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: 500;
  position: fixed;
  top: 100px;
  right: 20px;
  z-index: 2000;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}

.status-message--success {
  background: rgba(0, 123, 255, 0.1);
  color: var(--color-accent);
  border: 1px solid rgba(0, 123, 255, 0.2);
}

.status-message--error {
  background: rgba(220, 53, 69, 0.1);
  color: #dc3545;
  border: 1px solid rgba(220, 53, 69, 0.2);
}

/* Focus states */
.btn:focus,
.form-control:focus,
.nav__link:focus,
.faq-question:focus,
.accordion-header:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .header,
  .footer,
  .nav,
  .btn,
  .ad-slot {
    display: none !important;
  }
  
  .main {
    margin-top: 0 !important;
  }
  
  .page {
    display: block !important;
  }
  
  * {
    background: white !important;
    color: black !important;
  }
}