/* ===============================
   CSS Variables (Design System)
   =============================== */
:root {
  /* Logo-inspired Colors */
  --color-black: #000000;
  --color-charcoal: #1a1a1a;
  --color-charcoal-light: #2c2c2c;
  
  --color-gold: #D4A356;
  --color-gold-light: #CFAE70;
  --color-gold-dark: #B8925A;
  
  --color-burgundy: #8B2635;
  --color-burgundy-light: #A0303E;
  --color-burgundy-dark: #6B1D28;
  
  --color-white: #FFFFFF;
  --color-gray-light: #F5F5F5;
  --color-gray-medium: #CCCCCC;
  --color-gray-dark: #666666;
  
  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  --spacing-xxl: 6rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --border-radius: 8px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
}

/* High Contrast Mode Variables */
body.high-contrast {
  --color-black: #000000;
  --color-charcoal: #000000;
  --color-white: #FFFFFF;
  --color-gold: #FFD700;
  --color-gold-light: #FFE55C;
  --color-burgundy: #FF0033;
  --color-burgundy-light: #FF3355;
  --color-gray-light: #FFFFFF;
  --color-gray-dark: #000000;
  --shadow-sm: 0 0 0 2px #000000;
  --shadow-md: 0 0 0 3px #000000;
  --shadow-lg: 0 0 0 4px #000000;
}

/* Kindle E-Reader Optimization */
body.kindle-device {
  --color-black: #000000;
  --color-charcoal: #000000;
  --color-white: #FFFFFF;
  --color-gold: #000000;
  --color-gold-light: #333333;
  --color-burgundy: #000000;
  --color-gray-light: #FFFFFF;
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
  font-size: 1.2rem;
}

/* ===============================
   Reset & Base Styles
   =============================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-charcoal);
  background-color: var(--color-white);
  overflow-x: hidden;
}

body.kindle-device * {
  animation: none !important;
  transition: none !important;
}

/* Accessibility: Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-black);
  color: var(--color-white);
  padding: 8px 16px;
  text-decoration: none;
  border-radius: var(--border-radius);
  z-index: 9999;
  transition: top var(--transition-fast);
  font-weight: 600;
}

.skip-link:focus {
  top: 6px;
  outline: 3px solid var(--color-gold);
}

/* Offset anchored scroll targets so the fixed header does not obscure content */
.main {
  scroll-margin-top: 90px;
}

section[id] {
  scroll-margin-top: 90px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-black);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

p {
  margin-bottom: var(--spacing-sm);
}

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

a:hover, a:focus {
  color: var(--color-burgundy-light);
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

.lead {
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--color-charcoal-light);
}

/* Layout Utilities */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

body.kindle-device .container {
  max-width: 100%;
  padding: var(--spacing-sm);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-black);
  position: relative;
  padding-bottom: var(--spacing-sm);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--color-gold);
}

/* ===============================
   Header & Navigation
   =============================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: 2px solid var(--color-gold);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

body.kindle-device .header {
  position: static;
  border-bottom: 2px solid var(--color-black);
}

.nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  max-width: var(--container-max-width);
  margin: 0 auto;
  gap: var(--spacing-md);
}

.nav__logo .logo {
  height: 50px;
  width: auto;
}

.nav__menu {
  display: flex;
  list-style: none;
  align-items: center;
  gap: var(--spacing-md);
}

.nav__link {
  font-weight: 500;
  color: var(--color-charcoal);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav__link:hover,
.nav__link:focus,
.nav__link--active {
  color: var(--color-gold);
  background: var(--color-gray-light);
}

/* Accessibility Menu */
.a11y-menu {
  position: relative;
}

.a11y-menu__trigger {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: transparent;
  border: 2px solid var(--color-charcoal);
  border-radius: var(--border-radius);
  color: var(--color-charcoal);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  min-height: 44px;
}

.a11y-menu__trigger:hover,
.a11y-menu__trigger:focus {
  background: var(--color-charcoal);
  color: var(--color-white);
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

.a11y-menu__trigger[aria-expanded="true"] {
  background: var(--color-charcoal);
  color: var(--color-white);
}

.a11y-menu__panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 260px;
  background: var(--color-white);
  border: 2px solid var(--color-charcoal);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-sm);
  z-index: 1001;
  display: none;
}

.a11y-menu__panel[aria-hidden="false"] {
  display: block;
}

.a11y-menu__heading {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-black);
  padding: var(--spacing-xs) var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--color-gold);
}

.a11y-menu__option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-xs) var(--spacing-xs);
  background: transparent;
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  color: var(--color-charcoal);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  text-align: left;
  min-height: 44px;
  transition: all var(--transition-fast);
}

.a11y-menu__option:hover,
.a11y-menu__option:focus {
  background: var(--color-gray-light);
  border-color: var(--color-gold);
  outline: none;
}

.a11y-menu__option[aria-pressed="true"] {
  background: var(--color-gold);
  color: var(--color-black);
  border-color: var(--color-gold-dark);
}

.a11y-menu__option-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.a11y-menu__option-status {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.a11y-menu__option[aria-pressed="true"] .a11y-menu__option-status::after {
  content: 'On';
}

.a11y-menu__option[aria-pressed="false"] .a11y-menu__option-status::after {
  content: 'Off';
}

body.high-contrast .a11y-menu__panel {
  border-color: var(--color-gold);
}

body.kindle-device .a11y-menu__panel,
body.ereader-mode .a11y-menu__panel {
  position: static;
  box-shadow: none;
  border-color: var(--color-black);
  min-width: auto;
}

body.kindle-device .a11y-menu__option[aria-pressed="true"],
body.ereader-mode .a11y-menu__option[aria-pressed="true"] {
  background: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-black);
}

/* E-Reader manual mode — mirrors kindle-device */
body.ereader-mode {
  --color-black: #000000;
  --color-charcoal: #000000;
  --color-white: #FFFFFF;
  --color-gold: #000000;
  --color-gold-light: #333333;
  --color-burgundy: #000000;
  --color-gray-light: #FFFFFF;
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
  font-size: 1.2rem;
}

body.ereader-mode * {
  animation: none !important;
  transition: none !important;
}

body.ereader-mode .container {
  max-width: 100%;
  padding: var(--spacing-sm);
}

body.ereader-mode .header {
  position: static;
  border-bottom: 2px solid var(--color-black);
}

body.ereader-mode .hero {
  margin-top: 0;
  min-height: auto;
  background: var(--color-white);
  color: var(--color-black);
  padding: var(--spacing-lg) var(--spacing-sm);
}

body.ereader-mode .hero__title {
  color: var(--color-black);
}

body.ereader-mode .hero__description {
  color: var(--color-charcoal);
  font-size: 1.1rem;
}

body.ereader-mode .btn--secondary {
  color: var(--color-black);
  border-color: var(--color-black);
}

body.ereader-mode .services__grid {
  grid-template-columns: 1fr;
}

body.ereader-mode .service-card {
  box-shadow: none;
  border: 2px solid var(--color-black);
}

body.ereader-mode .service-card:hover {
  transform: none;
}

body.ereader-mode .services__note {
  background: var(--color-white);
  color: var(--color-black);
  border: 2px solid var(--color-black);
}

body.ereader-mode .contact__content {
  grid-template-columns: 1fr;
}

body.ereader-mode .contact__cta {
  background: var(--color-white);
  border: 2px solid var(--color-black);
}

body.ereader-mode .footer {
  background: var(--color-white);
  color: var(--color-black);
  border-top: 2px solid var(--color-black);
}

body.ereader-mode .footer__title,
body.ereader-mode .footer__section h4 {
  color: var(--color-black);
}

body.ereader-mode .footer__links a {
  color: var(--color-black);
}

body.ereader-mode .footer__bottom {
  border-top: 1px solid var(--color-gray-medium);
}

body.ereader-mode .page-hero {
  margin-top: 0;
  background: var(--color-white);
  padding: var(--spacing-lg) 0;
}

body.ereader-mode .content-nav {
  position: static;
  border-color: var(--color-black);
  box-shadow: none;
}

body.ereader-mode .privacy-article {
  border-color: var(--color-black);
  box-shadow: none;
  padding: var(--spacing-md);
}

body.ereader-mode .a11y-features-grid {
  grid-template-columns: 1fr;
}

body.ereader-mode .a11y-feature-item {
  border-color: var(--color-black);
}

body.ereader-mode .a11y-feature-icon {
  color: var(--color-black);
}

body.ereader-mode kbd {
  border-color: var(--color-black);
  box-shadow: none;
}

body.ereader-mode .keyboard-guide {
  border-color: var(--color-black);
}

body.ereader-mode .keyboard-row {
  border-bottom-color: var(--color-black);
}

body.ereader-mode code {
  color: var(--color-black);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  min-height: 44px;
  min-width: 44px;
}

.nav__toggle:hover,
.nav__toggle:focus {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

.nav__toggle-line {
  width: 24px;
  height: 2px;
  background: var(--color-charcoal);
  margin: 3px 0;
  transition: all var(--transition-fast);
}

/* Mobile Navigation */
@media (max-width: 968px) {
  .nav__menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transform: translateY(-150%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-smooth);
  }
  
  .nav__menu.nav__menu--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav__toggle {
    display: flex;
  }
  
  .nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(2) {
    opacity: 0;
  }
  
  .nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .a11y-menu__trigger span {
    display: inline;
  }

  .a11y-menu__panel {
    position: fixed;
    top: 80px;
    right: var(--spacing-sm);
    left: var(--spacing-sm);
    min-width: auto;
  }
}

@media (max-width: 768px) {
  .nav__logo .logo {
    height: 40px;
  }

  .a11y-menu__trigger span {
    display: none;
  }
}

/* ===============================
   Hero Section
   =============================== */
.hero {
  min-height: 100vh;
  margin-top: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl) var(--spacing-md);
  background: linear-gradient(135deg, var(--color-charcoal) 0%, var(--color-black) 100%);
  color: var(--color-white);
  text-align: center;
}

body.kindle-device .hero {
  margin-top: 0;
  min-height: auto;
  background: var(--color-white);
  color: var(--color-black);
  padding: var(--spacing-lg) var(--spacing-sm);
}

.hero__content {
  max-width: 800px;
}

.hero__title {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
}

body.kindle-device .hero__title {
  color: var(--color-black);
}

.hero__tagline {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-gold);
  font-style: italic;
  font-family: var(--font-heading);
}

.hero__description {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
  color: var(--color-gray-light);
}

body.kindle-device .hero__description {
  color: var(--color-charcoal);
  font-size: 1.1rem;
}

.hero__cta-group {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Mobile Hero */
@media (max-width: 768px) {
  .hero {
    min-height: 80vh;
    margin-top: 70px;
    padding: var(--spacing-lg) var(--spacing-sm);
  }
  
  .hero__cta-group {
    flex-direction: column;
    align-items: center;
  }
  
  .hero__cta-group .btn {
    width: 100%;
    max-width: 300px;
  }
}

/* ===============================
   Privacy Policy Page
   =============================== */
.page-hero {
  margin-top: 92px;
  padding: var(--spacing-xl) 0;
  background: var(--color-gray-light);
  text-align: center;
}

body.kindle-device .page-hero {
  margin-top: 0;
  background: var(--color-white);
  padding: var(--spacing-lg) 0;
}

.page-hero__title {
  margin-bottom: var(--spacing-sm);
}

.page-hero__subtitle {
  font-size: 1.2rem;
  color: var(--color-gray-dark);
  margin-bottom: 0;
}

.privacy-content {
  padding: var(--spacing-xl) 0;
}

.content-wrapper {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.content-nav {
  position: sticky;
  top: 110px;
  align-self: start;
  background: var(--color-white);
  border: 1px solid var(--color-gray-medium);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

body.kindle-device .content-nav {
  position: static;
  border-color: var(--color-black);
  box-shadow: none;
}

.content-nav__title {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-sm);
}

.content-nav__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.content-nav__link {
  color: var(--color-charcoal);
  font-weight: 500;
  display: block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
}

.content-nav__link:hover,
.content-nav__link:focus {
  background: var(--color-gray-light);
  color: var(--color-black);
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

.privacy-article {
  background: var(--color-white);
  border: 1px solid var(--color-gray-medium);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

body.kindle-device .privacy-article {
  border-color: var(--color-black);
  box-shadow: none;
  padding: var(--spacing-md);
}

.content-section {
  margin-bottom: var(--spacing-lg);
}

.content-section h2 {
  margin-bottom: var(--spacing-sm);
}

.content-section h3 {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
}

.data-use-grid,
.rights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.data-use-item,
.right-item {
  background: var(--color-gray-light);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-gray-medium);
}

.highlight-box {
  margin: var(--spacing-md) 0;
  padding: var(--spacing-md);
  background: var(--color-black);
  color: var(--color-white);
  border-radius: var(--border-radius);
}

.highlight-box h4 {
  color: var(--color-gold);
  margin-bottom: var(--spacing-xs);
}

.contact-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.contact-method {
  background: var(--color-gray-light);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-gray-medium);
}

.privacy-footer {
  border-top: 1px solid var(--color-gray-medium);
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  color: var(--color-gray-dark);
}

@media (max-width: 1024px) {
  .content-wrapper {
    grid-template-columns: 1fr;
  }

  .content-nav {
    position: static;
  }
}

@media (max-width: 768px) {
  .page-hero {
    margin-top: 80px;
    padding: var(--spacing-lg) 0;
  }

  .content-nav {
    padding: var(--spacing-sm);
  }

  .privacy-article {
    padding: var(--spacing-md);
  }
}

/* ===============================
   Buttons
   =============================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  text-decoration: none;
  transition: all var(--transition-smooth);
  cursor: pointer;
  border: 2px solid transparent;
  min-height: 44px;
  min-width: 44px;
  font-family: var(--font-body);
}

.btn--primary {
  background: var(--color-gold);
  color: var(--color-black);
  border-color: var(--color-gold);
}

.btn--primary:hover,
.btn--primary:focus {
  background: var(--color-gold-light);
  border-color: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

.btn--secondary {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

body.kindle-device .btn--primary,
body.ereader-mode .btn--primary {
  background: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-black);
}

body.kindle-device .btn--primary:hover,
body.kindle-device .btn--primary:focus,
body.ereader-mode .btn--primary:hover,
body.ereader-mode .btn--primary:focus {
  background: var(--color-gray-light);
  border-color: var(--color-black);
  box-shadow: none;
  transform: none;
}

body.kindle-device .btn--secondary {
  color: var(--color-black);
  border-color: var(--color-black);
}

.btn--secondary:hover,
.btn--secondary:focus {
  background: var(--color-white);
  color: var(--color-black);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ===============================
   About Section
   =============================== */
.about {
  padding: var(--spacing-xl) 0;
  background: var(--color-white);
}

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

.about__content p {
  text-align: left;
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.about__content .lead {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

/* ===============================
   Services Section
   =============================== */
.services {
  padding: var(--spacing-xl) 0;
  background: var(--color-gray-light);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

body.kindle-device .services__grid {
  grid-template-columns: 1fr;
}

.service-card {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  border: 2px solid transparent;
}

.service-card:hover,
.service-card:focus-within {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gold);
}

body.kindle-device .service-card {
  box-shadow: none;
  border: 2px solid var(--color-black);
}

body.kindle-device .service-card:hover {
  transform: none;
}

.service-card__icon {
  color: var(--color-burgundy);
  margin-bottom: var(--spacing-md);
  display: flex;
  justify-content: center;
}

.service-card__title {
  margin-bottom: var(--spacing-sm);
  color: var(--color-black);
}

.service-card__description {
  color: var(--color-charcoal-light);
  line-height: 1.6;
}

.services__note {
  background: var(--color-charcoal);
  color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--color-gold);
  text-align: center;
  margin-top: var(--spacing-lg);
}

body.kindle-device .services__note {
  background: var(--color-white);
  color: var(--color-black);
  border: 2px solid var(--color-black);
}

.services__note p {
  margin: 0;
}

/* ===============================
   Contact Section
   =============================== */
.contact {
  padding: var(--spacing-xl) 0;
  background: var(--color-white);
}

.contact__intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
  font-size: 1.1rem;
}

.contact__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  max-width: 1000px;
  margin: 0 auto;
}

body.kindle-device .contact__content {
  grid-template-columns: 1fr;
}

@media (max-width: 768px) {
  .contact__content {
    grid-template-columns: 1fr;
  }
}

.contact__info h3 {
  margin-bottom: var(--spacing-md);
  color: var(--color-black);
}

.contact__detail {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  align-items: flex-start;
}

.contact__detail svg {
  flex-shrink: 0;
  color: var(--color-burgundy);
}

.contact__detail strong {
  display: block;
  color: var(--color-black);
  margin-bottom: var(--spacing-xs);
}

.contact__detail p {
  margin: 0;
  color: var(--color-charcoal-light);
}

/* CTA Panel Styles */
.contact__cta {
  background: var(--color-gray-light);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

body.kindle-device .contact__cta {
  background: var(--color-white);
  border: 2px solid var(--color-black);
}

.contact__cta h3 {
  margin-bottom: var(--spacing-md);
  color: var(--color-black);
}

.contact__cta p {
  color: var(--color-charcoal-light);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
  max-width: 480px;
}

.contact__cta-instructions {
  font-size: 0.95rem;
  margin-bottom: var(--spacing-sm) !important;
}

.contact__cta-note {
  font-size: 0.9rem;
  color: var(--color-burgundy) !important;
  margin-bottom: var(--spacing-lg) !important;
}

.contact__mailto-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.1rem;
  padding: var(--spacing-sm) var(--spacing-lg);
  min-height: 44px;
  text-decoration: none;
}

.contact__mailto-btn svg {
  flex-shrink: 0;
}

/* ===============================
   Footer
   =============================== */
.footer {
  background: var(--color-charcoal);
  color: var(--color-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

body.kindle-device .footer {
  background: var(--color-white);
  color: var(--color-black);
  border-top: 2px solid var(--color-black);
}

.footer__content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

@media (max-width: 768px) {
  .footer__content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.footer__title {
  color: var(--color-gold);
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

.footer__section h4 {
  color: var(--color-gold);
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
}

body.kindle-device .footer__title,
body.kindle-device .footer__section h4 {
  color: var(--color-black);
}

.footer__section p {
  line-height: 1.6;
  color: var(--color-gray-light);
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: var(--spacing-xs);
}

.footer__links a {
  color: var(--color-gray-light);
  transition: all var(--transition-fast);
}

body.kindle-device .footer__links a {
  color: var(--color-black);
}

.footer__links a:hover,
.footer__links a:focus {
  color: var(--color-gold);
}

.footer__bottom {
  border-top: 1px solid var(--color-charcoal-light);
  padding-top: var(--spacing-md);
  text-align: center;
}

body.kindle-device .footer__bottom {
  border-top: 1px solid var(--color-gray-medium);
}

.footer__bottom p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-gray-light);
}

/* ===============================
   Error Pages (404, 500)
   =============================== */
.error-page {
  padding: var(--spacing-xl) 0 var(--spacing-xxl);
  text-align: center;
}

.error-page__content {
  max-width: 600px;
  margin: 0 auto;
}

.error-page__icon {
  color: var(--color-gold);
  margin-bottom: var(--spacing-md);
}

body.kindle-device .error-page__icon {
  color: var(--color-black);
}

.error-page__content h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-black);
}

.error-page__content p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-charcoal-light);
  margin-bottom: var(--spacing-lg);
}

.error-page__actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .error-page__actions {
    flex-direction: column;
    align-items: center;
  }

  .error-page__actions .btn {
    width: 100%;
    max-width: 300px;
  }
}

/* ===============================
   Utility Classes
   =============================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===============================
   Focus Styles for Accessibility
   =============================== */
*:focus {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

*:focus:not(:focus-visible) {
  outline: none;
}

*:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
}

/* High contrast mode support via media query */
@media (prefers-contrast: high) {
  :root {
    --color-gold: #FFD700;
    --color-burgundy: #FF0033;
  }
}

/* Windows High Contrast (forced-colors) support */
@media (forced-colors: active) {
  .btn,
  .contrast-toggle,
  .nav__toggle,
  .service-card {
    border: 2px solid ButtonText;
  }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  textarea:focus-visible,
  select:focus-visible {
    outline: 3px solid Highlight;
    outline-offset: 2px;
  }

  .skip-link:focus {
    outline: 3px solid Highlight;
  }

  .hero {
    background: Canvas;
    color: CanvasText;
  }

  .hero__title,
  .hero__tagline {
    color: CanvasText;
  }

  .section-title::after {
    background: Highlight;
  }
}

/* ===============================
   Form Validation Errors (SC 3.3.1)
   =============================== */
.field-error {
  color: var(--color-burgundy);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

input[aria-invalid="true"],
textarea[aria-invalid="true"],
select[aria-invalid="true"] {
  border-color: var(--color-burgundy);
}

/* ===============================
   Service Card Keyboard Navigation
   =============================== */
.service-card:focus {
  outline: 3px solid var(--color-gold);
  outline-offset: 4px;
  border-color: var(--color-gold);
}

.service-card:focus:not(:focus-visible) {
  outline: none;
}

.service-card:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 4px;
  border-color: var(--color-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* ===============================
   Minimum Target Size (SC 2.5.8 — 24×24 CSS px)
   =============================== */
.content-nav__link {
  min-height: 44px;
  display: flex;
  align-items: center;
}

.footer__links a {
  display: inline-block;
  min-height: 44px;
  line-height: 44px;
}

/* ===============================
   Accessibility Features Grid
   =============================== */
.a11y-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.a11y-feature-item {
  background: var(--color-gray-light);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-gray-medium);
  text-align: center;
}

.a11y-feature-item h3 {
  font-size: 1.15rem;
  margin-bottom: var(--spacing-xs);
}

.a11y-feature-item p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-charcoal-light);
  margin-bottom: 0;
}

.a11y-feature-icon {
  color: var(--color-burgundy);
  margin-bottom: var(--spacing-sm);
  display: flex;
  justify-content: center;
}

body.kindle-device .a11y-features-grid {
  grid-template-columns: 1fr;
}

body.kindle-device .a11y-feature-item {
  border-color: var(--color-black);
}

body.kindle-device .a11y-feature-icon {
  color: var(--color-black);
}

/* ===============================
   Keyboard Guide
   =============================== */
.keyboard-guide {
  margin: var(--spacing-md) 0;
  border: 1px solid var(--color-gray-medium);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.keyboard-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-gray-medium);
}

.keyboard-row:last-child {
  border-bottom: none;
}

.keyboard-row:nth-child(odd) {
  background: var(--color-gray-light);
}

.keyboard-row span {
  flex: 1;
  color: var(--color-charcoal);
}

kbd {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-charcoal);
  background: var(--color-white);
  border: 1px solid var(--color-gray-medium);
  border-bottom-width: 2px;
  border-radius: 4px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.1);
  white-space: nowrap;
  min-width: 2rem;
  text-align: center;
}

body.kindle-device kbd {
  border-color: var(--color-black);
  box-shadow: none;
}

body.kindle-device .keyboard-guide {
  border-color: var(--color-black);
}

body.kindle-device .keyboard-row {
  border-bottom-color: var(--color-black);
}

code {
  font-family: monospace;
  font-size: 0.9em;
  background: var(--color-gray-light);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  color: var(--color-burgundy);
}

body.kindle-device code {
  color: var(--color-black);
}

@media (max-width: 768px) {
  .a11y-features-grid {
    grid-template-columns: 1fr;
  }

  .keyboard-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
}