:root {
  /* Primitive Color Tokens */
  --color-white: rgba(255, 255, 255, 1);
  --color-black: rgba(0, 0, 0, 1);
  --color-cream-50: rgba(252, 252, 249, 1);
  --color-cream-100: rgba(255, 255, 253, 1);
  --color-gray-200: rgba(245, 245, 245, 1);
  --color-gray-300: rgba(167, 169, 169, 1);
  --color-gray-400: rgba(119, 124, 124, 1);
  --color-slate-500: rgba(98, 108, 113, 1);
  --color-brown-600: rgba(94, 82, 64, 1);
  --color-charcoal-700: rgba(31, 33, 33, 1);
  --color-charcoal-800: rgba(38, 40, 40, 1);
  --color-slate-900: rgba(19, 52, 59, 1);
  --color-teal-300: rgba(50, 184, 198, 1);
  --color-teal-400: rgba(45, 166, 178, 1);
  --color-teal-500: rgba(33, 128, 141, 1);
  --color-teal-600: rgba(29, 116, 128, 1);
  --color-teal-700: rgba(26, 104, 115, 1);
  --color-teal-800: rgba(41, 150, 161, 1);
  --color-red-400: rgba(255, 84, 89, 1);
  --color-red-500: rgba(192, 21, 47, 1);
  --color-orange-400: rgba(230, 129, 97, 1);
  --color-orange-500: rgba(168, 75, 47, 1);

  /* RGB versions for opacity control */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;
  --color-slate-500-rgb: 98, 108, 113;
  --color-red-500-rgb: 192, 21, 47;
  --color-red-400-rgb: 255, 84, 89;
  --color-orange-500-rgb: 168, 75, 47;
  --color-orange-400-rgb: 230, 129, 97;

  /* Background color tokens (Light Mode) */
  --color-bg-1: rgba(59, 130, 246, 0.08);
  /* Light blue */
  --color-bg-2: rgba(245, 158, 11, 0.08);
  /* Light yellow */
  --color-bg-3: rgba(34, 197, 94, 0.08);
  /* Light green */
  --color-bg-4: rgba(239, 68, 68, 0.08);
  /* Light red */
  --color-bg-5: rgba(147, 51, 234, 0.08);
  /* Light purple */
  --color-bg-6: rgba(249, 115, 22, 0.08);
  /* Light orange */
  --color-bg-7: rgba(236, 72, 153, 0.08);
  /* Light pink */
  --color-bg-8: rgba(6, 182, 212, 0.08);
  /* Light cyan */

  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-700);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
  --color-select-caret: rgba(var(--color-slate-900-rgb), 0.8);

  /* Common style patterns */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

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

  /* Typography */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
    Monaco, Consolas, monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 550;
  --font-weight-bold: 600;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --letter-spacing-tight: -0.01em;

  /* Spacing */
  --space-0: 0;
  --space-1: 1px;
  --space-2: 2px;
  --space-4: 4px;
  --space-6: 6px;
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;
  --space-40: 40px;
  --space-50: 50px;

  /* 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);
}

.contact 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;
}

.series-title {
  font-family: "Source Sans Pro", sans-serif;
  font-size: calc(var(--font-size-base) * 0.95);
  background-color: var(--color-select-caret);
  color: var(--color-btn-primary-text);
  padding: var(--space-12);
  overflow: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  position: absolute;
  left: 0;
  top: 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;
  transition: all var(--duration-normal) var(--ease-standard);
  border: none;
  text-decoration: none;
  position: relative;
  margin-bottom: var(--space-4);
}

.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;
}

/* Buy button styles (Amazon / Flipkart) */
.book-buy {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: stretch;
}

.buy-btn {
  display: flex;
  width: 100%;
  position: relative;
  padding: 8px 12px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  justify-content: center;
  align-items: center;
  transition: background var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard);
}

.buy-btn img {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: auto;
  display: block;
}

.buy-amazon {
  background: var(--color-orange-500);
  color: var(--color-cream-50);
}

.buy-amazon:hover,
.buy-amazon:focus {
  background: var(--color-orange-400);
  transform: translateY(-1px);
}

.buy-flipkart {
  background: #FFD700;
  color: var(--color-slate-900);
}

.buy-flipkart:hover,
.buy-flipkart:focus {
  background: #F0C000;
  transform: translateY(-1px);
}

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

/* Box */

.box {
  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-lg);
  font-weight: 500;
  line-height: 1.5;
  border: none;
  text-decoration: none;
  position: relative;
}

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

.box--outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

/* 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 */
/* Custom styles for author profile */

/* Typography overrides */
.hero-title {
  font-family: "Playfair Display", serif;
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-16);
  text-align: center;
  letter-spacing: -0.02em;
}

.hero-tagline {
  font-family: "Source Sans Pro", sans-serif;
  font-size: var(--font-size-xl);
  font-weight: 300;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-32);
  text-align: center;
  font-style: italic;
}

.section-title {
  font-family: "Playfair Display", serif;
  font-size: var(--font-size-3xl);
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--space-32);
  color: var(--color-text);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(var(--color-slate-900-rgb), 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: all var(--duration-normal) var(--ease-standard);
}

.nav-container {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-16);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.nav-logo a {
  font-family: "Playfair Display", serif;
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--color-cream-50);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  gap: var(--space-32);
}

.nav-link {
  font-family: "Source Sans Pro", sans-serif;
  font-size: var(--font-size-xl);
  color: var(--color-cream-50);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
  position: relative;
}

.nav-link:hover {
  color: var(--color-teal-300);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-teal-300);
  transition: width var(--duration-normal) var(--ease-standard);
}

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

.nav-link.active {
  color: var(--color-teal-300);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--color-cream-50);
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--color-bg-1), var(--color-bg-3));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  padding: var(--space-32);
}

.hero-content {
  text-align: center;
  max-width: 800px;
}

.hero-image {
  margin-bottom: var(--space-32);
}

.author-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: var(--color-bg-2);
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.author-photo::after {
  content: "";
  font-size: 4rem;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-text-secondary);
}

.hero-buttons {
  display: flex;
  gap: var(--space-16);
  justify-content: center;
  flex-wrap: wrap;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-32);
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.scroll-arrow::after {
  content: "↓";
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
}

@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }

  40% {
    transform: translateY(-10px);
  }

  60% {
    transform: translateY(-5px);
  }
}

/* Section anchor spacing */
section[id] {
  scroll-margin-top: 90px;
}

/* Knowledge Hub Section */
.knowledge-hub {
  padding: var(--space-32) 0;
  background: var(--color-surface);
}

.section-intro {
  max-width: 760px;
  margin: 0 auto var(--space-24);
  text-align: center;
}

.section-label {
  display: inline-block;
  margin-bottom: var(--space-8);
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.section-description {
  font-family: "Source Sans Pro", sans-serif;
  font-size: var(--font-size-lg);
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-24);
}

.knowledge-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  box-shadow: var(--shadow-sm);
}

.knowledge-card h3 {
  font-family: "Playfair Display", serif;
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-12);
  color: var(--color-text);
}

.knowledge-card p {
  font-family: "Source Sans Pro", sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: var(--space-12);
}

.text-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

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

/* Newsletter Section */
.newsletter {
  padding: var(--space-32) 0;
  background: var(--color-background);
}

.newsletter-card {
  background: linear-gradient(135deg, rgba(var(--color-teal-500-rgb), 0.12), rgba(var(--color-brown-600-rgb), 0.08));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

/* About Section */
.about {
  padding: var(--space-48) 0;
  background: linear-gradient(135deg, rgba(var(--color-teal-500-rgb), 0.04), rgba(var(--color-brown-600-rgb), 0.02));
  border-radius: var(--radius-xl);
  margin: var(--space-32) auto;
  max-width: 1000px;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-48);
  align-items: center;
  padding: var(--space-32) var(--space-32);
}

.about-image {
  display: flex;
  justify-content: center;
}

.about-photo {
  width: 100%;
  max-width: 300px;
  aspect-ratio: 1;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
  border: 2px solid rgba(var(--color-teal-500-rgb), 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-photo::after {
  content: "";
  font-size: 3rem;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-text-secondary);
}

.about-photo img {
  width: 85%;
  height: 85%;
  object-fit: contain;
}

.about-text h2 {
  font-family: "Playfair Display", serif;
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-24);
  color: var(--color-text);
  line-height: 1.2;
}

.about-text p {
  font-family: "Source Sans Pro", sans-serif;
  font-size: var(--font-size-lg);
  line-height: 1.8;
  margin-bottom: var(--space-20);
  color: var(--color-text);
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.about-achievements {
  display: flex;
  gap: var(--space-24);
  margin-top: var(--space-32);
}

.achievement {
  text-align: center;
}

.achievement h4 {
  font-family: "Playfair Display", serif;
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

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

/* Books and eBooks Sections */
.books,
.ebooks {
  padding: var(--space-32) 0;
}

.books {
  background: var(--color-background);
}

.ebooks {
  background: var(--color-surface);
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-32);
  margin-top: var(--space-32);
}

.book-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-normal) var(--ease-standard),
    box-shadow var(--duration-normal) var(--ease-standard);
}

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

.ebooks .book-card {
  background: var(--color-background);
}

.book-cover {
  height: 250px;
  background: var(--color-bg-5);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.book-cover-logo::after {
  content: "📖";
  font-size: 4rem;
  color: var(--color-text-secondary);
}

.ebook-cover-logo::after {
  content: "💻";
  font-size: 4rem;
  color: var(--color-text-secondary);
}

.book-cover-3g {
  display: grid;
  grid-template-columns: 2fr 1fr 2fr;
  padding: var(--space-10);
}

.book-cover img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.ebook-cover img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.book-info {
  padding: var(--space-24);
}

.book-info h3 {
  font-family: "Playfair Display", serif;
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-8);
  color: var(--color-text);
}

.book-info h4 {
  font-family: "Source Sans Pro", sans-serif;
  font-size: var(--font-size-l);
  margin-bottom: var(--space-8);
  color: var(--color-text);
}

.book-year {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-12);
  font-weight: 500;
}

.book-blurb {
  font-family: "Source Sans Pro", sans-serif;
  line-height: 1.6;
  margin-bottom: var(--space-16);
  color: var(--color-text);
}

.book-languages,
.book-formats {
  margin-bottom: var(--space-16);
}

.book-isbn {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-12);
  font-weight: 500;
}

.author-photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.book-info img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Ensure small buy-button logos keep their size and stay left-aligned */
.book-info .buy-btn img {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: auto;
  display: block;
}

.book-link {
  display: inline-block;
  margin-right: var(--space-20);
  width: var(--space-50);
  height: var(--space-50);
}

.book-link-sm {
  display: inline-block;
  margin-right: var(--space-10);
  width: 47px;
  height: 47px;
}

.book-link:hover {
  opacity: 0.5;
}

.book-link-sm:hover {
  opacity: 0.5;
}

.label {
  font-size: var(--font-size);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-right: var(--space-8);
}

.label-buy {
  font-size: var(--font-size-base);
  color: var(--color-white);
  margin-right: var(--space-20);
}

.language,
.format {
  display: inline-block;
  background: var(--color-secondary);
  color: var(--color-text);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  margin-right: var(--space-4);
  margin-bottom: var(--space-4);
}

/* Route Page Styles */
.page-shell {
  min-height: 100vh;
  padding: 110px 0 80px;
  background: linear-gradient(135deg, rgba(var(--color-teal-500-rgb), 0.08), rgba(var(--color-brown-600-rgb), 0.04));
}

.books-collection {
  display: flex;
  flex-direction: column;
  gap: var(--space-32);
}

.books-section-block {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  box-shadow: var(--shadow-sm);
}

.section-heading-row {
  margin-bottom: var(--space-24);
}

.section-heading-row .section-title {
  margin-bottom: var(--space-8);
  text-align: left;
}

.section-heading-row .section-description {
  margin: 0;
}

.book-card-highlight {
  border: 1px solid rgba(var(--color-teal-500-rgb), 0.2);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.book-cover {
  height: 250px;
  background: var(--color-bg-5);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.book-cover img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.series-title {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  max-width: 200px;
  text-align: center;
}

.ebook-cover {
  background: var(--color-bg-5);
}

.page-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.page-card .btn+.btn {
  margin-top: 0;
}

.page-hero {
  max-width: 900px;
  margin: 0 auto var(--space-32);
  text-align: center;
}

.page-hero h1 {
  font-family: "Playfair Display", serif;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-12);
  color: var(--color-text);
}

.page-hero p {
  font-family: "Source Sans Pro", sans-serif;
  font-size: var(--font-size-lg);
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.page-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-24);
  margin-top: var(--space-24);
}

.page-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  box-shadow: var(--shadow-sm);
}

.page-card h3 {
  font-family: "Playfair Display", serif;
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-12);
  color: var(--color-text);
}

.page-card p,
.page-card li {
  font-family: "Source Sans Pro", sans-serif;
  line-height: 1.7;
  color: var(--color-text);
}

.page-card ul {
  padding-left: var(--space-20);
  margin: 0;
}

.page-card .btn {
  margin-top: var(--space-16);
}

.page-cta {
  margin-top: var(--space-24);
  text-align: center;
}

/* About & contact route redesign */
.about-hero,
.contact-hero {
  max-width: 1080px;
  margin: 0 auto 72px;
}

.about-hero {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.25fr);
  align-items: center;
  gap: clamp(40px, 8vw, 104px);
  padding: 28px 32px 8px;
}

.about-portrait-wrap {
  position: relative;
  justify-self: center;
}

.about-portrait-frame {
  width: min(310px, 72vw);
  aspect-ratio: 1;
  padding: 10px;
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(var(--color-teal-500-rgb), .75), rgba(var(--color-brown-600-rgb), .4));
  box-shadow: 22px 24px 0 rgba(var(--color-brown-600-rgb), .12), 0 18px 45px rgba(19, 52, 59, .14);
}

.about-portrait-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 5px solid var(--color-cream-50);
  border-radius: 50%;
}

.portrait-note {
  display: block;
  width: max-content;
  max-width: 85%;
  margin: -4px auto 0;
  padding: 9px 15px;
  position: relative;
  background: var(--color-slate-900);
  color: var(--color-cream-50);
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-align: center;
}

.about-intro h1,
.contact-hero h1 {
  font-family: "Playfair Display", serif;
  font-size: clamp(2.6rem, 5vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -.035em;
  margin: 0 0 20px;
  color: var(--color-slate-900);
}

.about-lead,
.contact-hero p:not(.section-label) {
  max-width: 620px;
  color: var(--color-text-secondary);
  font-family: "Source Sans Pro", sans-serif;
  font-size: 1.22rem;
  line-height: 1.7;
}

.about-text-link {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  margin-top: 7px;
  color: var(--color-slate-900);
  font-weight: 600;
  border-bottom: 1px solid currentColor;
  padding-bottom: 4px;
}

.about-text-link span {
  transition: transform var(--duration-normal) var(--ease-standard);
}

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

.about-text-link:hover span {
  transform: translateX(5px);
}

.about-story {
  max-width: 1020px;
  margin: 0 auto;
  padding: 52px clamp(26px, 5vw, 64px);
  display: grid;
  grid-template-columns: .88fr 1.12fr;
  gap: clamp(38px, 8vw, 92px);
  border-top: 1px solid rgba(var(--color-brown-600-rgb), .23);
  border-bottom: 1px solid rgba(var(--color-brown-600-rgb), .23);
}

.about-story h2,
.contact-welcome h2 {
  font-family: "Playfair Display", serif;
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  line-height: 1.17;
  margin: 0;
  color: var(--color-slate-900);
}

.about-story-copy p,
.contact-welcome>p:not(.section-label) {
  color: var(--color-text-secondary);
  font-size: 1.08rem;
  line-height: 1.8;
}

.about-story-copy p:last-child {
  margin: 0;
}

.about-pillars {
  max-width: 1080px;
  margin: 48px auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(var(--color-brown-600-rgb), .2);
  border: 1px solid rgba(var(--color-brown-600-rgb), .2);
}

.about-pillar {
  min-height: 220px;
  padding: 29px;
  background: rgba(255, 255, 253, .68);
}

.pillar-number {
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
}

.about-pillar h3 {
  margin: 32px 0 10px;
  color: var(--color-slate-900);
  font-family: "Playfair Display", serif;
  font-size: 1.45rem;
}

.about-pillar p {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.about-closing {
  max-width: 760px;
  margin: 56px auto 0;
  text-align: center;
}

.about-closing p {
  font-family: "Playfair Display", serif;
  font-size: clamp(1.35rem, 2.6vw, 1.8rem);
  line-height: 1.5;
  color: var(--color-slate-900);
}

.contact-hero {
  padding: clamp(38px, 6vw, 76px);
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 38px;
  align-items: end;
  background: var(--color-slate-900);
  box-shadow: 16px 18px 0 rgba(var(--color-teal-500-rgb), .18);
}

.contact-hero .section-label {
  color: var(--color-teal-300);
}

.contact-hero h1 {
  color: var(--color-cream-50);
}

.contact-hero p:not(.section-label) {
  color: rgba(255, 255, 253, .74);
  margin: 0;
}

.contact-email-button {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 22px;
  color: var(--color-slate-900);
  background: var(--color-cream-50);
  transition: transform var(--duration-normal) var(--ease-standard), background var(--duration-normal) var(--ease-standard);
}

.contact-email-button span:first-child {
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 700;
}

.contact-email-button strong {
  overflow-wrap: anywhere;
  font-family: "Playfair Display", serif;
  font-size: 1.1rem;
}

.contact-email-button span:last-child {
  align-self: flex-end;
  font-size: 1.35rem;
}

.contact-email-button:hover {
  background: var(--color-teal-300);
  color: var(--color-slate-900);
  transform: translateY(-4px);
}

.contact-main {
  max-width: 1020px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr .86fr;
  gap: clamp(45px, 9vw, 110px);
  align-items: center;
}

.contact-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 25px;
}

.contact-topics span {
  padding: 7px 11px;
  border: 1px solid rgba(var(--color-brown-600-rgb), .28);
  border-radius: 999px;
  color: var(--color-slate-900);
  font-size: .85rem;
}

.contact-channels {
  display: grid;
  gap: 12px;
}

.contact-channel {
  display: grid;
  grid-template-columns: 46px 1fr auto;
  align-items: center;
  gap: 15px;
  padding: 17px;
  color: var(--color-slate-900);
  background: rgba(255, 255, 253, .65);
  border: 1px solid rgba(var(--color-brown-600-rgb), .22);
  transition: transform var(--duration-normal) var(--ease-standard), border-color var(--duration-normal) var(--ease-standard), box-shadow var(--duration-normal) var(--ease-standard);
}

.contact-channel:hover {
  color: var(--color-slate-900);
  transform: translateX(6px);
  border-color: var(--color-primary);
  box-shadow: 0 10px 26px rgba(19, 52, 59, .08);
}

.contact-channel img {
  width: 46px;
  height: 46px;
  padding: 9px;
  object-fit: contain;
  background: rgba(var(--color-teal-500-rgb), .1);
  border-radius: 50%;
  box-sizing: border-box;
}

.contact-channel span {
  display: grid;
  gap: 2px;
}

.contact-channel small {
  color: var(--color-text-secondary);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.contact-channel strong {
  font-family: "Playfair Display", serif;
  font-size: 1.05rem;
}

.contact-channel b {
  font-size: 1.25rem;
  font-weight: 400;
}

.contact-footer-note {
  max-width: 1020px;
  margin: 72px auto 0;
  padding: 22px 0;
  display: flex;
  gap: 14px;
  align-items: center;
  border-top: 1px solid rgba(var(--color-brown-600-rgb), .23);
  border-bottom: 1px solid rgba(var(--color-brown-600-rgb), .23);
}

.contact-footer-note>span {
  color: var(--color-primary);
}

.contact-footer-note p {
  margin: 0 auto 0 0;
  color: var(--color-text-secondary);
}

.contact-footer-note a {
  color: var(--color-slate-900);
  font-weight: 600;
  white-space: nowrap;
}

@media (max-width: 768px) {

  .about-hero,
  .about-story,
  .contact-hero,
  .contact-main {
    grid-template-columns: 1fr;
  }

  .about-hero {
    padding: 12px 6px;
    gap: 42px;
  }

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

  .about-lead {
    margin-left: auto;
    margin-right: auto;
  }

  .about-pillars {
    grid-template-columns: 1fr;
    margin-left: 0;
    margin-right: 0;
  }

  .about-pillar {
    min-height: auto;
  }

  .about-pillar h3 {
    margin-top: 18px;
  }

  .contact-hero {
    margin-left: 0;
    margin-right: 0;
    padding: 34px 27px;
  }

  .contact-main {
    gap: 42px;
  }
}

@media (max-width: 480px) {
  .about-story {
    padding: 38px 8px;
  }

  .about-story-copy p,
  .contact-welcome>p:not(.section-label) {
    font-size: 1rem;
  }

  .contact-footer-note {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .contact-footer-note p {
    flex-basis: calc(100% - 28px);
  }

  .contact-footer-note a {
    margin-left: 28px;
  }
}

/* Books catalogue */
.catalogue-page {
  padding-top: 70px;
  overflow: hidden;
  background: #f9f7f0;
  color: var(--color-slate-900);
}

.catalogue-hero {
  min-height: 580px;
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(65px, 9vw, 126px) clamp(24px, 6vw, 76px);
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  align-items: center;
  gap: clamp(42px, 9vw, 135px);
  background: linear-gradient(90deg, #f9f7f0 0%, #f9f7f0 59%, #d7e3dd 59%);
}

.catalogue-hero--text-only {
  min-height: auto;
  display: block;
  padding-top: clamp(34px, 4vw, 52px);
  padding-bottom: clamp(28px, 3.5vw, 42px);
  background: #f9f7f0;
}

.catalogue-hero--text-only>div:first-child {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.catalogue-hero--text-only .catalogue-kicker {
  margin: 0;
  color: var(--color-primary);
  font-family: "Playfair Display", serif;
  font-size: clamp(2.7rem, 5vw, 4.5rem);
  font-weight: 600;
  letter-spacing: -.05em;
  line-height: 1;
  text-transform: none;
}

.catalogue-hero--text-only h1 {
  max-width: 560px;
  font-size: clamp(2.25rem, 3.6vw, 3.35rem);
}

.catalogue-hero--text-only h1,
.catalogue-hero--text-only>div:first-child>p:not(.catalogue-kicker) {
  margin-left: auto;
  margin-right: auto;
}

.catalogue-kicker,
.catalogue-book-label {
  margin: 0 0 16px;
  color: var(--color-primary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.catalogue-hero h1 {
  max-width: 730px;
  margin: 0 0 22px;
  color: var(--color-slate-900);
  font-family: "Playfair Display", serif;
  font-size: clamp(3.15rem, 6vw, 5.55rem);
  font-weight: 600;
  line-height: .98;
  letter-spacing: -.055em;
}

.catalogue-hero>div:first-child>p:not(.catalogue-kicker) {
  max-width: 580px;
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 1.18rem;
  line-height: 1.75;
}

.catalogue-hero-stack {
  min-height: 390px;
  position: relative;
  display: grid;
  place-items: center;
}

.catalogue-hero-stack::before {
  content: "";
  position: absolute;
  width: 75%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(19, 52, 59, .22);
}

.catalogue-hero-stack img {
  position: absolute;
  object-fit: cover;
  box-shadow: 15px 18px 25px rgba(19, 52, 59, .25);
}

.catalogue-stack-front {
  z-index: 2;
  width: min(250px, 58%);
  transform: rotate(5deg) translateX(12%);
}

.catalogue-stack-back {
  z-index: 1;
  width: min(190px, 45%);
  transform: rotate(-10deg) translate(-66%, 10%);
}

.catalogue-standalone {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(72px, 10vw, 0px) 24px;
}
.catalogue-series {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(0px, 0vw, 128px) 24px;
}

.catalogue-digital {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(72px, 0vw, 128px) 24px;
}

.catalogue-section-heading {
  display: grid;
  grid-template-columns: 1.1fr .72fr;
  align-items: end;
  gap: 40px;
  margin-bottom: 35px;
}

.catalogue-section-heading .section-label {
  margin-bottom: 10px;
}

.catalogue-section-heading h2 {
  margin: 0;
  color: var(--color-slate-900);
  font-family: "Playfair Display", serif;
  font-size: clamp(2.25rem, 4vw, 3.65rem);
  line-height: 1;
  letter-spacing: -.045em;
}

.catalogue-section-heading>p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

.catalogue-featured-book {
  display: grid;
  grid-template-columns: minmax(240px, .64fr) 1.15fr;
  background: var(--color-slate-900);
}

.catalogue-featured-art {
  min-height: 475px;
  display: grid;
  place-items: center;
  padding: 38px;
  background: #cad8d1;
}

.catalogue-featured-art img {
  width: min(245px, 78%);
  box-shadow: 14px 19px 25px rgba(19, 52, 59, .35);
}

.catalogue-featured-content {
  padding: clamp(34px, 5.5vw, 70px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.catalogue-featured-content .catalogue-book-label {
  color: var(--color-teal-300);
}

.catalogue-featured-content h3 {
  margin: 0 0 17px;
  color: var(--color-cream-50);
  font-family: "Playfair Display", serif;
  font-size: clamp(2.05rem, 3.6vw, 3.35rem);
  line-height: 1.06;
  letter-spacing: -.035em;
}

.catalogue-featured-content>p:not(.catalogue-book-label) {
  max-width: 560px;
  color: rgba(255, 255, 253, .73);
  font-size: 1.08rem;
  line-height: 1.75;
}

.catalogue-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: auto 0 26px;
}

.catalogue-tags span {
  padding: 6px 10px;
  color: rgba(255, 255, 253, .76);
  border: 1px solid rgba(255, 255, 253, .26);
  font-size: .78rem;
}

.catalogue-buy-row {
  display: flex;
  flex-wrap: wrap;
  gap: 17px;
}

.catalogue-buy-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: inherit;
  font-weight: 600;
  border-bottom: 1px solid currentColor;
  padding-bottom: 4px;
}

.catalogue-buy-link span {
  transition: transform var(--duration-normal) var(--ease-standard);
}

.catalogue-buy-link:hover span {
  transform: translate(3px, -2px);
}

.catalogue-featured-content .catalogue-buy-link {
  color: var(--color-cream-50);
}

.catalogue-series-grid {
  margin-top: 1px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(var(--color-brown-600-rgb), .24);
}

.catalogue-card {
  display: grid;
  grid-template-columns: 175px 1fr;
  gap: 25px;
  padding: 29px;
  background: #f9f7f0;
}

.catalogue-card:last-child {
  grid-column: span 2;
}

.catalogue-card--gurgaon {
  grid-template-columns: minmax(240px, .64fr) 1.15fr;
  min-height: 440px;
  padding: 0;
  background: #d9e4df;
}

.catalogue-card--gurgaon .catalogue-cover {
  min-height: 440px;
  padding: 38px;
  background: #b6d0c7;
}

.catalogue-card--gurgaon .catalogue-cover img {
  max-height: 350px;
}

.catalogue-card--gurgaon>div:last-child {
  padding: clamp(34px, 5.5vw, 70px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: var(--color-slate-900);
}

.catalogue-card--gurgaon .catalogue-book-label {
  color: var(--color-teal-300);
}

.catalogue-card--gurgaon h3 {
  color: var(--color-cream-50);
  font-size: clamp(2.05rem, 3.6vw, 3.35rem);
}

.catalogue-card--gurgaon>div:last-child>p:not(.catalogue-book-label) {
  max-width: 560px;
  color: var(--color-cream-50) !important;
  font-size: 1.08rem;
  line-height: 1.75;
}

.catalogue-card--gurgaon .catalogue-tags {
  margin-top: auto;
}

.catalogue-card--gurgaon .catalogue-tags span,
.catalogue-card--gurgaon .catalogue-buy-link {
  color: var(--color-cream-50) !important;
  border-color: rgba(255, 255, 253, .26);
}

.catalogue-cover {
  min-height: 250px;
  display: grid;
  place-items: center;
  padding: 20px;
  background: #e5ebe7;
}

.catalogue-cover img {
  max-width: 100%;
  max-height: 238px;
  box-shadow: 9px 12px 17px rgba(19, 52, 59, .22);
}

.catalogue-card h3,
.catalogue-digital-card h3 {
  margin: 0 0 10px;
  color: var(--color-slate-900);
  font-family: "Playfair Display", serif;
  font-size: 1.65rem;
  line-height: 1.15;
}

.catalogue-card>div:last-child>p:not(.catalogue-book-label),
.catalogue-digital-card>div:last-child>p:not(.catalogue-book-label) {
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.catalogue-card .catalogue-tags {
  margin: 18px 0;
}

.catalogue-card .catalogue-tags span,
.catalogue-digital-card .catalogue-tags span {
  color: var(--color-slate-900);
  border-color: rgba(var(--color-brown-600-rgb), .25);
}

.catalogue-card--coming {
  background: #f1eee4;
}

.catalogue-digital-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(var(--color-brown-600-rgb), .23);
}

.catalogue-digital-card {
  padding: 25px;
  background: #f9f7f0;
}

.catalogue-digital-card .catalogue-cover {
  min-height: 300px;
  margin: -25px -25px 26px;
  padding: 30px;
}

.catalogue-digital-card .catalogue-cover img {
  max-height: 255px;
}

.catalogue-digital-card .catalogue-buy-row {
  margin-top: 21px;
  display: grid;
  gap: 11px;
}

.catalogue-closing {
  max-width: 1080px;
  margin: 0 auto;
  padding: 30px 24px 90px;
  display: flex;
  align-items: center;
  gap: 20px;
  border-top: 1px solid rgba(var(--color-brown-600-rgb), .25);
}

.catalogue-closing p {
  margin: 0 auto 0 0;
  color: var(--color-text-secondary);
}

.catalogue-closing a {
  color: var(--color-slate-900);
  font-weight: 600;
  border-bottom: 1px solid currentColor;
  padding-bottom: 4px;
}

@media (max-width: 900px) {
  .catalogue-hero {
    grid-template-columns: 1fr;
    background: #f9f7f0;
  }

  .catalogue-hero-stack {
    width: 100%;
    max-width: 520px;
    justify-self: center;
    background: #d7e3dd;
  }

  .catalogue-featured-book,
  .catalogue-section-heading {
    grid-template-columns: 1fr;
  }

  .catalogue-section-heading {
    gap: 16px;
  }

  .catalogue-series-grid {
    grid-template-columns: 1fr;
  }

  .catalogue-card:last-child {
    grid-column: auto;
  }

  .catalogue-card--gurgaon {
    grid-template-columns: 1fr;
  }

  .catalogue-digital-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .catalogue-hero {
    padding-left: 20px;
    padding-right: 20px;
  }

  .catalogue-hero h1 {
    font-size: 3rem;
  }

  .catalogue-hero-stack {
    min-height: 330px;
  }

  .catalogue-featured-art {
    min-height: 350px;
  }

  .catalogue-series,
  .catalogue-digital,
  .catalogue-standalone {
    padding-left: 0;
    padding-right: 0;
  }

  .catalogue-section-heading {
    padding-left: 20px;
    padding-right: 20px;
  }

  .catalogue-card {
    grid-template-columns: 115px 1fr;
    padding: 18px;
    gap: 17px;
  }

  .catalogue-card .catalogue-cover {
    min-height: 180px;
    padding: 9px;
  }

  .catalogue-card .catalogue-cover img {
    max-height: 160px;
  }

  .catalogue-card--gurgaon .catalogue-cover {
    min-height: 330px;
    padding: 28px;
  }

  .catalogue-card--gurgaon .catalogue-cover img {
    max-height: 270px;
  }

  .catalogue-digital-grid {
    grid-template-columns: 1fr;
  }

  .catalogue-closing {
    padding-bottom: 60px;
    flex-wrap: wrap;
  }
}

/* Contact Section */
.contact {
  padding: var(--space-48) 0;
  background: linear-gradient(135deg, rgba(var(--color-teal-500-rgb), 0.04), rgba(var(--color-brown-600-rgb), 0.02));
  border-radius: var(--radius-xl);
  margin: var(--space-32) auto;
  max-width: 900px;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-32);
  padding: var(--space-32) var(--space-32);
  text-align: center;
}

.contact-content>div:first-child {
  max-width: 600px;
  margin: 0 auto;
}

.contact-content>div:first-child h2 {
  font-family: "Playfair Display", serif;
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-16);
  color: var(--color-text);
  line-height: 1.2;
}

.contact-content>div:first-child p {
  font-family: "Source Sans Pro", sans-serif;
  font-size: var(--font-size-lg);
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 0;
}

.contact-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-24);
}

.contact-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--color-surface);
  margin-bottom: var(--space-16);
  position: relative;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  border: 2px solid rgba(var(--color-teal-500-rgb), 0.1);
  flex-shrink: 0;
}

.contact-photo::after {
  content: "✉️";
  font-size: 2.5rem;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  align-items: center;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  padding: var(--space-16) var(--space-20);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(var(--color-teal-500-rgb), 0.1);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-standard);
  min-width: 280px;
}

.contact-item:hover {
  background: rgba(var(--color-teal-500-rgb), 0.08);
  border-color: rgba(var(--color-teal-500-rgb), 0.2);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.contact-item img {
  height: var(--space-28);
  width: var(--space-28);
  object-fit: contain;
  flex-shrink: 0;
}

.contact-item a {
  color: var(--color-text);
  text-decoration: none;
  font-family: "Source Sans Pro", sans-serif;
  font-size: var(--font-size-base);
  font-weight: 500;
  transition: color var(--duration-normal) var(--ease-standard);
}

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

@media (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--space-32);
  }

  .about-photo {
    max-width: 250px;
  }

  .contact-item {
    min-width: 100%;
  }
}

.social-links {
  display: flex;
  gap: var(--space-16);
  flex-wrap: wrap;
  justify-content: center;
}

.social-link {
  padding: var(--space-8) var(--space-16);
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  text-decoration: none;
  border-radius: var(--radius-base);
  font-size: var(--font-size-sm);
  transition: background var(--duration-fast) var(--ease-standard);
}

.social-link:hover {
  background: var(--color-primary-hover);
  color: var(--color-btn-primary-text);
}

.contact-form {
  background: var(--color-surface);
  padding: var(--space-32);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.error-message {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--space-4);
  display: none;
}

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

/* Footer */
.footer {
  background: var(--color-slate-900);
  color: var(--color-cream-50);
  padding: var(--space-32) 0;
  position: relative;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-16);
}

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

.footer-links {
  display: flex;
  gap: var(--space-16);
}

.footer-links a {
  color: var(--color-cream-50);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--duration-fast) var(--ease-standard);
}

.footer-links a:hover {
  color: var(--color-teal-300);
}

.footer-social {
  display: flex;
  gap: var(--space-12);
}

.footer-social .social-link {
  background: transparent;
  color: var(--color-cream-50);
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-sm);
}

.footer-social .social-link:hover {
  background: var(--color-teal-300);
  color: var(--color-slate-900);
}

.back-to-top {
  position: fixed;
  bottom: var(--space-24);
  right: var(--space-24);
  width: 50px;
  height: 50px;
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  border: none;
  border-radius: 50%;
  font-size: var(--font-size-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-standard);
  z-index: 1000;
}

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

.back-to-top:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: var(--color-slate-900);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    padding: var(--space-24) 0;
    gap: var(--space-16);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .hero-tagline {
    font-size: var(--font-size-lg);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .about-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-achievements {
    justify-content: center;
  }

  .books-grid {
    grid-template-columns: 1fr;
  }

  .contact-content {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .author-photo {
    width: 150px;
    height: 150px;
  }

  .author-photo::after {
    font-size: 3rem;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: var(--space-16);
  }

  .about-photo {
    max-width: 200px;
    margin: 0 auto;
  }

  .contact-form {
    padding: var(--space-20);
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 200px;
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Loading animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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

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

/* Focus styles for accessibility */
.btn:focus-visible,
.form-control:focus,
.nav-link:focus-visible,
.social-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.no-display {
  display: none;
}

/* Newsletter page */
.letter-page {
  min-height: 100vh;
  padding-top: 70px;
  overflow: hidden;
  background: #f9f7f0;
  color: var(--color-slate-900);
}

.letter-hero {
  max-width: 1280px;
  min-height: 475px;
  margin: 0 auto;
  padding: clamp(58px, 8vw, 105px) clamp(24px, 6vw, 78px);
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: center;
  gap: clamp(44px, 8vw, 120px);
  background: linear-gradient(90deg, #f9f7f0 0%, #f9f7f0 61%, #d8e4de 61%);
}

.letter-kicker,
.letter-form-eyebrow {
  margin: 0 0 17px;
  color: var(--color-primary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.letter-hero h1 {
  max-width: 750px;
  margin: 0 0 21px;
  color: var(--color-slate-900);
  font-family: "Playfair Display", serif;
  font-size: clamp(3rem, 5.6vw, 5.25rem);
  font-weight: 600;
  line-height: .99;
  letter-spacing: -.055em;
}

.letter-hero-copy>p:not(.letter-kicker) {
  max-width: 570px;
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 1.16rem;
  line-height: 1.75;
}

.letter-art {
  min-height: 300px;
  position: relative;
  display: grid;
  place-items: center;
  border: 1px solid rgba(19, 52, 59, .26);
}

.letter-art::before {
  content: "";
  position: absolute;
  inset: 22px;
  border: 1px solid rgba(19, 52, 59, .26);
}

.letter-art-star {
  position: absolute;
  top: 39px;
  right: 43px;
  color: var(--color-primary);
  font-size: 2.1rem;
}

.letter-art-line {
  position: absolute;
  width: 76%;
  height: 1px;
  bottom: 70px;
  background: rgba(19, 52, 59, .3);
  transform: rotate(-16deg);
}

.letter-art p {
  z-index: 1;
  margin: 0;
  color: var(--color-slate-900);
  font-family: "Playfair Display", serif;
  font-size: clamp(1.65rem, 3vw, 2.5rem);
  line-height: 1.16;
  text-align: center;
}

.letter-art em {
  color: var(--color-primary);
}

.letter-signup {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(70px, 10vw, 125px) 24px;
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: clamp(45px, 10vw, 150px);
  align-items: center;
}

.letter-signup-aside h2 {
  max-width: 490px;
  margin: 0;
  color: var(--color-slate-900);
  font-family: "Playfair Display", serif;
  font-size: clamp(2.25rem, 4vw, 3.7rem);
  line-height: 1.04;
  letter-spacing: -.045em;
}

.letter-benefits {
  display: grid;
  gap: 17px;
  margin: 38px 0 0;
  padding: 0;
  list-style: none;
}

.letter-benefits li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  align-items: start;
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.55;
}

.letter-benefits span {
  color: var(--color-primary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
}

.letter-form-panel {
  padding: clamp(31px, 5vw, 56px);
  background: var(--color-slate-900);
  box-shadow: 17px 18px 0 rgba(var(--color-teal-500-rgb), .18);
}

.letter-form-eyebrow {
  color: var(--color-teal-300);
}

.newsletter-field {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

.newsletter-field label {
  color: var(--color-cream-50);
  font-size: .95rem;
  font-weight: 600;
}

.newsletter-field label span {
  color: rgba(255, 255, 253, .6);
  font-weight: 400;
}

.newsletter-field input {
  width: 100%;
  box-sizing: border-box;
  padding: 13px 0;
  color: var(--color-cream-50);
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 253, .43);
  border-radius: 0;
  font: inherit;
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-standard);
}

.newsletter-field input::placeholder {
  color: rgba(255, 255, 253, .43);
}

.newsletter-field input:focus {
  border-color: var(--color-teal-300);
}

.newsletter-consent {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  margin: 29px 0 25px;
  color: rgba(255, 255, 253, .76);
  font-size: .9rem;
  line-height: 1.45;
  cursor: pointer;
}

.newsletter-consent input {
  width: 16px;
  height: 16px;
  margin: 2px 0 0;
  accent-color: var(--color-teal-300);
  flex: 0 0 auto;
}

.letter-submit {
  display: inline-flex;
  margin: 10px 0 0;
  align-items: center;
  gap: 12px;
  padding: 14px 19px;
  border: 0;
  color: var(--color-slate-900);
  background: var(--color-cream-50);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--duration-normal) var(--ease-standard), transform var(--duration-normal) var(--ease-standard);
}

.letter-submit:hover:not(:disabled) {
  background: var(--color-teal-300);
  transform: translateY(-3px);
}

.letter-submit:disabled {
  cursor: wait;
  opacity: .72;
}

.newsletter-status {
  min-height: 1.5em;
  margin: 17px 0 0;
  color: rgba(255, 255, 253, .75);
  font-size: .93rem;
  line-height: 1.5;
}

.newsletter-status.is-success {
  color: var(--color-teal-300);
}

.newsletter-status.is-error {
  color: #ffaaa8;
}

.letter-privacy {
  margin: 20px 0 0;
  color: rgba(255, 255, 253, .5);
  font-size: .78rem;
  line-height: 1.5;
}

@media (max-width: 800px) {

  .letter-hero,
  .letter-signup {
    grid-template-columns: 1fr;
  }

  .letter-hero {
    background: #f9f7f0;
  }

  .letter-art {
    width: 100%;
    max-width: 510px;
    min-height: 270px;
    justify-self: center;
    background: #d8e4de;
  }
}

@media (max-width: 480px) {
  .letter-hero {
    padding-left: 20px;
    padding-right: 20px;
  }

  .letter-hero h1 {
    font-size: 3rem;
  }

  .letter-art {
    min-height: 235px;
  }

  .letter-signup {
    padding-left: 20px;
    padding-right: 20px;
  }

  .letter-form-panel {
    padding: 29px 24px;
  }
}

/* Home landing page */
.home-page {
  overflow: hidden;
  padding-top: 70px;
  background: #f9f7f0;
  color: var(--color-slate-900);
}

.home-hero {
  min-height: min(740px, calc(100vh - 70px));
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(58px, 9vw, 128px) clamp(24px, 5vw, 70px) clamp(60px, 8vw, 100px);
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: clamp(36px, 6vw, 95px);
}

.home-kicker,
.home-eyebrow {
  margin: 0 0 17px;
  color: var(--color-primary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.home-hero h1 {
  max-width: 690px;
  margin: 0 0 22px;
  color: var(--color-slate-900);
  font-family: "Playfair Display", serif;
  font-size: clamp(3.25rem, 6.1vw, 5.8rem);
  font-weight: 600;
  line-height: .98;
  letter-spacing: -.055em;
}

.home-intro {
  max-width: 555px;
  margin: 0;
  color: var(--color-text-secondary);
  font-size: clamp(1.08rem, 1.6vw, 1.3rem);
  line-height: 1.7;
}

.home-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  margin-top: 34px;
}

.home-button {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 14px 19px;
  font-weight: 600;
  transition: transform var(--duration-normal) var(--ease-standard), background var(--duration-normal) var(--ease-standard), color var(--duration-normal) var(--ease-standard);
}

.home-button span,
.home-arrow-link span {
  transition: transform var(--duration-normal) var(--ease-standard);
}

.home-button:hover span,
.home-arrow-link:hover span {
  transform: translateX(5px);
}

.home-button--filled {
  color: var(--color-cream-50);
  background: var(--color-slate-900);
}

.home-button--filled:hover {
  color: var(--color-slate-900);
  background: var(--color-teal-300);
  transform: translateY(-3px);
}

.home-button--text {
  padding-left: 0;
  color: var(--color-slate-900);
  border-bottom: 1px solid rgba(var(--color-slate-900-rgb), .7);
}

.home-button--text:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.home-hero-art {
  min-height: 470px;
  position: relative;
  display: grid;
  place-items: center;
  background: #d9e4df;
}

.home-hero-art::before {
  content: "";
  position: absolute;
  width: 70%;
  aspect-ratio: 1;
  border: 1px solid rgba(19, 52, 59, .24);
  border-radius: 50%;
}

.home-art-line {
  position: absolute;
  background: rgba(19, 52, 59, .24);
}

.home-art-line--one {
  width: 1px;
  height: 88%;
  left: 20%;
}

.home-art-line--two {
  height: 1px;
  width: 92%;
  bottom: 16%;
}

.home-book {
  position: absolute;
  display: block;
  object-fit: cover;
  box-shadow: 14px 18px 22px rgba(19, 52, 59, .23);
}

.home-book--far {
  z-index: 1;
  width: min(180px, 39%);
  aspect-ratio: .66;
  transform: rotate(13deg) translate(92%, -9%);
  opacity: 1;
}

.home-book--front {
  z-index: 2;
  width: min(245px, 54%);
  aspect-ratio: .66;
  transform: rotate(5deg) translate(10%, -4%);
}

.home-book--back {
  z-index: 1;
  width: min(190px, 43%);
  aspect-ratio: .66;
  transform: rotate(-10deg) translate(-54%, 10%);
  filter: saturate(.85);
}

.home-art-caption {
  z-index: 3;
  position: absolute;
  right: 21px;
  bottom: 20px;
  margin: 0;
  color: var(--color-slate-900);
  font-family: "Playfair Display", serif;
  font-size: .9rem;
  line-height: 1.35;
  text-align: right;
}

.home-art-caption em {
  font-family: "Source Sans Pro", sans-serif;
  font-size: .78rem;
  color: rgba(19, 52, 59, .75);
}

.home-featured {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(72px, 10vw, 130px) 24px;
}

.home-section-heading {
  display: flex;
  justify-content: space-between;
  gap: 25px;
  align-items: end;
  margin-bottom: 33px;
}

.home-section-heading .section-label {
  margin-bottom: 10px;
}

.home-section-heading h2,
.home-letter h2 {
  margin: 0;
  font-family: "Playfair Display", serif;
  color: var(--color-slate-900);
  font-size: clamp(2.3rem, 4vw, 3.7rem);
  line-height: 1;
  letter-spacing: -.04em;
}

.home-section-subtitle {
  max-width: 620px;
  margin: 14px 0 0;
  color: var(--color-text-secondary);
  font-size: 1.06rem;
  line-height: 1.7;
}

.home-arrow-link {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding-bottom: 4px;
  color: var(--color-slate-900);
  font-weight: 600;
  border-bottom: 1px solid currentColor;
  white-space: nowrap;
}

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

.home-latest-reads {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(66px, 9vw, 112px) 24px 0;
}

.home-latest-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.home-latest-reads .reads-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  background: var(--color-cream-100);
  border: 1px solid rgba(var(--color-brown-600-rgb), 0.14);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-normal) var(--ease-standard),
    box-shadow var(--duration-normal) var(--ease-standard);
}

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

.home-latest-reads .reads-card__media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #e5ebe7;
}

.home-latest-reads .reads-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-normal) var(--ease-standard);
}

.home-latest-reads .reads-card:hover .reads-card__media img {
  transform: scale(1.035);
}

.home-latest-reads .reads-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}

.home-latest-reads .reads-card__body__indian-mythology {
  background-color: #fae9da;
}

.home-latest-reads .reads-card__body__corporate-life {
  background-color: #eaf2ff;
}

.home-latest-reads .reads-card__body__healing {
  background-color: #edfcff;
}

.home-latest-reads .reads-topic-badge {
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 10px;
  padding: 4px 10px;
  color: var(--color-primary);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid rgba(var(--color-teal-500-rgb), .3);
  border-radius: var(--radius-full);
  transition: background var(--duration-fast) var(--ease-standard);
}

.home-latest-reads .reads-topic-badge:hover {
  background: rgba(var(--color-teal-500-rgb), .1);
  color: var(--color-primary);
}

.home-latest-reads .reads-card__title {
  margin: 0 0 10px;
  font-family: "Playfair Display", serif;
  font-size: 1.25rem;
  line-height: 1.25;
  letter-spacing: -.02em;
}

.home-latest-reads .reads-card__title a {
  color: var(--color-slate-900);
  text-decoration: none;
}

.home-latest-reads .reads-card__title a:hover {
  color: var(--color-primary);
}

.home-latest-reads .reads-card__excerpt {
  margin: 0 0 16px;
  color: var(--color-text-secondary);
  font-size: .95rem;
  line-height: 1.6;
  flex: 1;
}

.home-latest-reads .reads-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  color: var(--color-text-secondary);
  font-size: .82rem;
}

.home-latest-reads .reads-lang-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  color: var(--color-slate-900);
  font-weight: 600;
  font-size: .78rem;
  background: rgba(var(--color-teal-500-rgb), .12);
  border-radius: var(--radius-full);
}

.home-latest-reads .reads-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.home-latest-reads .reads-tag {
  padding: 3px 8px;
  color: var(--color-text-secondary);
  font-size: .75rem;
  text-decoration: none;
  border: 1px solid rgba(var(--color-brown-600-rgb), .2);
  border-radius: var(--radius-full);
  transition: color var(--duration-fast) var(--ease-standard),
    border-color var(--duration-fast) var(--ease-standard);
}

.home-latest-reads .reads-tag:hover {
  color: var(--color-primary);
  border-color: rgba(var(--color-teal-500-rgb), .4);
}

.home-latest-actions {
  display: flex;
  justify-content: center;
  margin-top: 34px;
}

.home-featured-card {
  display: grid;
  grid-template-columns: minmax(220px, .6fr) 1.15fr;
  align-items: stretch;
  background: var(--color-slate-900);
}

.home-featured-cover {
  min-height: 420px;
  display: grid;
  place-items: center;
  padding: 42px 25px;
  background: #c9d8d0;
}

.home-featured-cover img {
  width: min(220px, 76%);
  box-shadow: 13px 17px 22px rgba(19, 52, 59, .3);
}

.home-featured-copy {
  padding: clamp(33px, 5vw, 68px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.home-featured-copy .home-eyebrow {
  color: var(--color-teal-300);
}

.home-featured-copy h3 {
  max-width: 570px;
  margin: 0 0 18px;
  color: var(--color-cream-50);
  font-family: "Playfair Display", serif;
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -.03em;
}

.home-featured-copy>p:not(.home-eyebrow) {
  max-width: 560px;
  color: rgba(255, 255, 253, .72);
  font-size: 1.08rem;
  line-height: 1.75;
}

.home-featured-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: auto 0 27px;
}

.home-featured-meta span {
  padding: 6px 10px;
  color: rgba(255, 255, 253, .76);
  border: 1px solid rgba(255, 255, 253, .24);
  font-size: .78rem;
}

.home-button--dark {
  color: var(--color-slate-900);
  background: var(--color-cream-50);
}

.home-button--dark:hover {
  background: var(--color-teal-300);
  color: var(--color-slate-900);
  transform: translateY(-3px);
}

.home-paths {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.home-path {
  min-height: 410px;
  padding: clamp(34px, 5vw, 64px);
  display: flex;
  flex-direction: column;
  color: var(--color-slate-900);
  transition: background var(--duration-normal) var(--ease-standard);
}

.home-path:hover {
  color: var(--color-slate-900);
}

.home-path--journal {
  background: #eadcc6;
}

.home-path--journal:hover {
  background: #e3cfb0;
}

.home-path--about {
  background: #b6d0c7;
}

.home-path--about:hover {
  background: #9fc1b5;
}

.home-path-number {
  margin: 0 0 auto;
  color: rgba(19, 52, 59, .6);
  font-size: .8rem;
  letter-spacing: .12em;
}

.home-path .section-label {
  color: var(--color-slate-900);
  margin-bottom: 12px;
}

.home-path h2 {
  max-width: 490px;
  margin: 0 0 30px;
  font-family: "Playfair Display", serif;
  font-size: clamp(2rem, 3.6vw, 3.35rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -.035em;
}

.home-path>span {
  font-weight: 600;
  border-bottom: 1px solid currentColor;
  padding-bottom: 4px;
  align-self: flex-start;
}

.home-path b {
  margin-left: 8px;
  font-size: 1.2em;
  font-weight: 400;
}

.home-letter {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(70px, 9vw, 116px) 24px;
  display: grid;
  grid-template-columns: 1fr .76fr;
  gap: clamp(35px, 10vw, 140px);
  align-items: end;
}

.home-letter>div:last-child>p {
  color: var(--color-text-secondary);
  font-size: 1.08rem;
  line-height: 1.75;
}

@media (max-width: 768px) {
  .home-hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 66px;
  }

  .home-hero-art {
    min-height: 400px;
    max-width: 540px;
    width: 100%;
    justify-self: center;
  }

  .home-featured-card,
  .home-letter {
    grid-template-columns: 1fr;
  }

  .home-featured-cover {
    min-height: 340px;
  }

  .home-paths {
    grid-template-columns: 1fr;
  }

  .home-latest-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-path {
    min-height: 340px;
  }
}

@media (max-width: 480px) {
  .home-hero {
    padding-left: 20px;
    padding-right: 20px;
  }

  .home-hero h1 {
    font-size: 3rem;
  }

  .home-hero-art {
    min-height: 340px;
  }

  .home-section-heading {
    display: block;
  }

  .home-section-heading .home-arrow-link {
    margin-top: 22px;
  }

  .home-featured {
    padding-left: 0;
    padding-right: 0;
  }

  .home-latest-reads {
    padding-left: 20px;
    padding-right: 20px;
  }

  .home-latest-grid {
    grid-template-columns: 1fr;
  }

  .home-featured>.home-section-heading {
    padding: 0 20px;
  }

  .home-featured-card {
    margin: 0;
  }

  .home-featured-cover {
    min-height: 300px;
  }

  .home-featured-copy {
    padding: 32px 24px;
  }

  .home-path {
    padding: 32px 24px;
  }
}