/* 
 * ETS Inc. - Modern Website Shell
 * A sleek, futuristic, professional design
 * With full responsive and accessibility support
 */

/* ---------- Base & Typography ---------- */
:root {
  /* Color scheme - Light mode */
  --color-primary: #0070f3;
  --color-primary-dark: #0050d0;
  --color-secondary: #00c8b4;
  --color-accent: #7928ca;
  --color-background: #ffffff;
  --color-surface: #f5f7fa;
  --color-text: #1a202c;
  --color-text-secondary: #4a5568;
  --color-border: #e2e8f0;
  --color-success: #0070f3;
  --color-warning: #f5a623;
  --color-error: #ff4757;
  --color-info: #56b6f7;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;

  /* Typography */
  --font-family-base: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell,
    "Open Sans", "Helvetica Neue", sans-serif;
  --font-family-heading: var(--font-family-base);
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-xs: 0.75rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Borders */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.375rem;
  --border-radius-lg: 0.5rem;
  --border-radius-xl: 1rem;
  --border-radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Container widths */
  --container-max-width: 1280px;
  --container-padding: var(--spacing-md);

  /* Z-index layers */
  --z-index-dropdown: 1030;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-tooltip: 1070;
}

/* Default dark mode for users without explicit preference (respects system) */
@media (prefers-color-scheme: dark) {
  :root:not(.theme-light) {
    --color-background: #121212;
    --color-surface: #1e1e1e;
    --color-text: #f7fafc;
    --color-text-secondary: #a0aec0;
    --color-border: #2d3748;
  }
}

/* Explicit theme classes - these override system preferences */
.theme-dark {
  --color-background: #121212 !important;
  --color-surface: #1e1e1e !important;
  --color-text: #f7fafc !important;
  --color-text-secondary: #a0aec0 !important;
  --color-border: #2d3748 !important;
}

.theme-light {
  --color-background: #ffffff !important;
  --color-surface: #f5f7fa !important;
  --color-text: #1a202c !important;
  --color-text-secondary: #4a5568 !important;
  --color-border: #e2e8f0 !important;
}

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

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

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-family-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

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-base);
}

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

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

a:hover,
a:focus {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  z-index: var(--z-index-fixed);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

.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;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.main-content {
  min-height: 100vh;
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}

/* Grid System */
.grid-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
  .grid-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-row.three-columns {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Header */
.site-header {
  background-color: var(--color-background);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
}

.logo-container {
  display: flex;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
}

.logo-image {
  height: 40px;
  width: auto;
  margin-right: var(--spacing-sm);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
}

.logo-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Navigation */
.main-navigation {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  -webkit-overflow-scrolling: touch;
}

.nav-item {
  flex-shrink: 0;
}

.nav-link {
  display: block;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--color-text);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast), background-color var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-primary);
  text-decoration: none;
}

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

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: var(--spacing-lg);
  right: var(--spacing-lg);
  height: 2px;
  background-color: var(--color-primary);
}

/* Dropdown Navigation */
.dropdown-item {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.dropdown-arrow {
  transition: transform var(--transition-fast);
}

.dropdown-toggle[aria-expanded="true"] .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: var(--z-index-dropdown);
  min-width: 200px;
  padding: var(--spacing-xs) 0;
  margin: 0;
  list-style: none;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
}

.dropdown-item:hover > .dropdown-menu,
.dropdown-item:focus-within > .dropdown-menu,
.dropdown-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li {
  margin: 0;
}

.dropdown-menu a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text);
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-menu a:hover,
.dropdown-menu a:focus {
  background-color: var(--color-primary);
  color: white;
  text-decoration: none;
}

/* Mobile dropdown styles */
@media (max-width: 767px) {
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--color-primary);
    border-radius: 0;
    background-color: transparent;
    padding-left: var(--spacing-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
  }

  .dropdown-item:hover > .dropdown-menu,
  .dropdown-item:focus-within > .dropdown-menu,
  .dropdown-menu.show {
    max-height: 500px;
  }

  .dropdown-toggle {
    justify-content: space-between;
  }

  .dropdown-menu a {
    padding: var(--spacing-xs) var(--spacing-md);
  }

  .nav-list {
    width: 100%;
  }

  .nav-item {
    width: 100%;
  }
}

/* Mobile menu */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.hamburger-icon {
  display: block;
  position: relative;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: background-color var(--transition-fast);
}

.hamburger-icon::before,
.hamburger-icon::after {
  content: "";
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition-fast);
}

.hamburger-icon::before {
  top: -6px;
}

.hamburger-icon::after {
  bottom: -6px;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-icon {
  background-color: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 767px) {
  .mobile-menu-toggle {
    display: block;
  }

  .main-navigation {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    box-shadow: var(--shadow-lg);
  }

  .main-navigation.active {
    display: block;
  }

  .nav-list {
    flex-direction: column;
  }

  .nav-link {
    padding: var(--spacing-md) var(--container-padding);
  }

  .nav-link.active::after {
    left: 0;
    right: 0;
  }
}

/* Theme toggle */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  padding: var(--spacing-xs);
}

.theme-toggle:hover {
  color: var(--color-primary);
}

.icon-sun,
.icon-moon {
  display: block;
}

.theme-dark .icon-sun {
  display: none;
}

.icon-moon {
  display: none;
}

.theme-dark .icon-moon {
  display: block;
}

/* Hero Section */
.hero {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-xl);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-content h1 {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-4xl);
  line-height: 1.2;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.hero-content p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.hero-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr 1fr;
  }
}

/* Cards */
.card {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-lg);
  height: 100%;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.card h2,
.card h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-bottom: var(--spacing-sm);
}

.card h2::after,
.card h3::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--color-primary);
}

/* Podcast Section */
.podcast-section {
  padding: var(--spacing-xl) 0;
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.podcast-player {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
}

.podcast-player audio {
  width: 100%;
}

/* Services Grid */
.services-grid {
  padding: var(--spacing-xl) 0;
}

.feature-list {
  list-style-position: inside;
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-md);
}

.feature-list li {
  margin-bottom: var(--spacing-sm);
  position: relative;
  padding-left: var(--spacing-lg);
}

.feature-list li::before {
  content: "•";
  color: var(--color-primary);
  font-weight: bold;
  position: absolute;
  left: 0;
}

/* Client Logos */
.client-logos {
  margin-top: var(--spacing-md);
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  align-items: center;
  justify-items: center;
}

@media (min-width: 768px) {
  .logo-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .logo-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.client-logo {
  max-width: 100%;
  height: auto;
  max-height: 60px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: filter var(--transition-fast), opacity var(--transition-fast);
}

.client-logo:hover {
  filter: grayscale(0%);
  opacity: 1;
}

/* Testimonials */
.testimonial-list {
  display: grid;
  gap: var(--spacing-md);
}

.testimonial {
  background-color: var(--color-background);
  border-left: 3px solid var(--color-primary);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
}

.testimonial blockquote {
  margin: 0;
}

.testimonial p {
  font-style: italic;
  margin-bottom: var(--spacing-sm);
}

.testimonial cite {
  font-style: normal;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Textbook Feature */
.textbook-feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

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

.textbook-image img {
  max-width: 200px;
  height: auto;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
}

.textbook-links h3 {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.textbook-links ul {
  list-style-type: none;
  padding-left: 0;
}

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

@media (min-width: 768px) {
  .textbook-feature {
    grid-template-columns: 2fr 1fr;
  }
}

/* News & Events */
.news-events {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-surface);
  margin: var(--spacing-xl) 0;
  border-radius: var(--border-radius-lg);
}

.event-list {
  list-style-type: none;
  padding-left: 0;
}

.event {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.event:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.event-date {
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.event-location {
  margin-bottom: var(--spacing-xs);
}

.event-link {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
}

.btn:hover,
.btn:focus {
  text-decoration: none;
}

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

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--color-primary-dark);
  color: white;
}

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

.btn-outline:hover,
.btn-outline:focus {
  background-color: var(--color-primary);
  color: white;
}

.btn-text {
  background-color: transparent;
  color: var(--color-primary);
  padding: 0;
}

.btn-text:hover,
.btn-text:focus {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* Footer */
.site-footer {
  background-color: var(--color-surface);
  color: var(--color-text-secondary);
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-logo {
  margin-bottom: var(--spacing-md);
}

.footer-logo-image {
  height: 30px;
  width: auto;
}

.footer-tagline {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

.footer-heading {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-bottom: var(--spacing-sm);
}

.footer-heading::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--color-primary);
}

.footer-links {
  list-style-type: none;
  padding-left: 0;
}

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

.footer-links a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-links a:focus {
  color: var(--color-primary);
}

.footer-contact {
  font-style: normal;
  font-size: var(--font-size-sm);
}

.footer-contact p {
  margin-bottom: var(--spacing-xs);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-full);
  background-color: var(--color-background);
  color: var(--color-text);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.social-link:hover,
.social-link:focus {
  background-color: var(--color-primary);
  color: white;
}

.newsletter-signup {
  margin-top: var(--spacing-md);
}

.newsletter-signup h4 {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

.form-group {
  display: flex;
  gap: var(--spacing-xs);
}

.form-control {
  flex: 1;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  background-color: var(--color-background);
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.footer-legal {
  font-size: var(--font-size-xs);
}

.copyright,
.last-updated {
  margin-bottom: var(--spacing-xs);
}

.footer-links-secondary {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  font-size: var(--font-size-xs);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* Responsive Images */
.img-fluid {
  max-width: 100%;
  height: auto;
}

/* Utilities */
.text-center {
  text-align: center;
}

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

.mt-0 {
  margin-top: 0;
}
.mb-0 {
  margin-bottom: 0;
}
.my-0 {
  margin-top: 0;
  margin-bottom: 0;
}
.mt-1 {
  margin-top: var(--spacing-xs);
}
.mb-1 {
  margin-bottom: var(--spacing-xs);
}
.my-1 {
  margin-top: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}
.mt-2 {
  margin-top: var(--spacing-sm);
}
.mb-2 {
  margin-bottom: var(--spacing-sm);
}
.my-2 {
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}
.mt-3 {
  margin-top: var(--spacing-md);
}
.mb-3 {
  margin-bottom: var(--spacing-md);
}
.my-3 {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}
.mt-4 {
  margin-top: var(--spacing-lg);
}
.mb-4 {
  margin-bottom: var(--spacing-lg);
}
.my-4 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}
.mt-5 {
  margin-top: var(--spacing-xl);
}
.mb-5 {
  margin-bottom: var(--spacing-xl);
}
.my-5 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

.animate-fade-in {
  animation: fadeIn var(--transition-normal) forwards;
}

.animate-slide-in-up {
  animation: slideInUp var(--transition-normal) forwards;
}

/* Print styles */
@media print {
  body {
    background-color: white;
    color: black;
  }

  .site-header,
  .site-footer,
  .mobile-menu-toggle,
  .theme-toggle {
    display: none;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }

  a {
    color: black;
    text-decoration: underline;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }

  .card:hover {
    transform: none;
    box-shadow: none;
  }
}

/* Add these styles to the existing CSS file */

/* Breadcrumb Navigation */
.breadcrumb {
  display: flex;
  margin-bottom: var(--spacing-md);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumb li {
  display: flex;
  align-items: center;
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  margin: 0 var(--spacing-sm);
  color: var(--color-text-secondary);
}

.breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb [aria-current="page"] {
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* Page Header */
.page-header {
  background-color: var(--color-surface);
  padding: var(--spacing-lg) 0;
  margin-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-3xl);
}

/* Seminar Hero Section */
.seminar-hero {
  margin-bottom: var(--spacing-xl);
}

.seminar-info {
  padding: var(--spacing-lg);
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  height: 100%;
}

.seminar-badge {
  display: inline-block;
  background-color: var(--color-primary);
  color: white;
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-sm);
}

.seminar-details {
  margin: var(--spacing-md) 0;
}

.detail-item {
  display: flex;
  margin-bottom: var(--spacing-sm);
}

.detail-icon {
  flex-shrink: 0;
  margin-right: var(--spacing-sm);
  color: var(--color-primary);
}

.detail-text {
  flex: 1;
}

.seminar-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.seminar-image {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.seminar-image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
}

.image-caption {
  margin-top: var(--spacing-md);
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--color-primary);
}

/* Accordion Styles */
.seminar-outline {
  margin: var(--spacing-xl) 0;
}

.outline-controls {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--spacing-md);
  background-color: var(--color-surface);
  border: none;
  text-align: left;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.accordion-header:hover {
  background-color: rgba(0, 0, 0, 0.03);
}

.accordion-title {
  font-weight: 600;
  font-size: var(--font-size-base);
  color: var(--color-text);
}

.accordion-icon {
  position: relative;
  width: 16px;
  height: 16px;
}

.accordion-icon::before,
.accordion-icon::after {
  content: "";
  position: absolute;
  background-color: var(--color-text);
  transition: transform var(--transition-fast);
}

.accordion-icon::before {
  top: 7px;
  left: 0;
  width: 16px;
  height: 2px;
}

.accordion-icon::after {
  top: 0;
  left: 7px;
  width: 2px;
  height: 16px;
}

.accordion-header.active .accordion-icon::after {
  transform: rotate(90deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.accordion-content ul {
  padding: var(--spacing-md) var(--spacing-lg);
  margin: 0;
}

/* Fee Table Styles */
.fee-table {
  margin-bottom: var(--spacing-lg);
}

.fee-table h3 {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-md);
}

.table tr {
  border-bottom: 1px solid var(--color-border);
}

.table tr:last-child {
  border-bottom: none;
}

.table td {
  padding: var(--spacing-sm);
}

.fee {
  font-weight: 700;
  text-align: right;
  white-space: nowrap;
}

.group-discount {
  background-color: rgba(0, 112, 243, 0.1);
  border-left: 3px solid var(--color-primary);
  padding: var(--spacing-md);
  margin-top: var(--spacing-md);
  border-radius: var(--border-radius-sm);
}

/* Security Notice */
.security-notice {
  display: flex;
  align-items: flex-start;
  background-color: rgba(0, 112, 243, 0.1);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-top: var(--spacing-lg);
}

.security-icon {
  flex-shrink: 0;
  margin-right: var(--spacing-md);
  color: var(--color-primary);
}

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

/* Registration Form Styles */
.registration-form-container {
  margin: var(--spacing-xl) 0;
}

.registration-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-section {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--spacing-lg);
}

.form-section:last-child {
  border-bottom: none;
}

.form-section h3 {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xl);
}

.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.form-group {
  flex: 1;
  min-width: 250px;
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

.required {
  color: var(--color-error);
}

.form-control {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-background);
  color: var(--color-text);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

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

.form-text {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.radio-label,
.checkbox-label {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.radio-label input,
.checkbox-label input {
  margin-right: var(--spacing-sm);
}

.conditional-field,
.conditional-fields {
  margin-left: var(--spacing-lg);
  margin-top: var(--spacing-xs);
  padding-left: var(--spacing-sm);
  border-left: 2px solid var(--color-border);
  display: none;
}

.form-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

/* Fee Section Styles */
.fee-section {
  margin-bottom: var(--spacing-lg);
}

.fee-section h3 {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
  color: var(--color-primary);
}

.fee-section h4 {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-base);
}

.fee-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.fee-list li {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.fee-list li:last-child {
  border-bottom: none;
}

.fee-amount {
  font-weight: 700;
}

.registration-methods {
  margin-top: var(--spacing-xl);
}

.registration-methods h3 {
  margin-bottom: var(--spacing-md);
}

/* Info List Styles */
.info-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.info-item h3 {
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-base);
}

.info-item p {
  margin: 0;
  font-size: var(--font-size-sm);
}

/* Resource List Styles */
.resource-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.resource-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-md);
  background-color: var(--color-background);
  transition: background-color var(--transition-fast);
  text-decoration: none;
  color: var(--color-text);
}

.resource-link:hover {
  background-color: rgba(0, 0, 0, 0.03);
  text-decoration: none;
}

.resource-icon {
  flex-shrink: 0;
  margin-right: var(--spacing-md);
  color: var(--color-primary);
}

.resource-content {
  flex: 1;
}

.resource-title {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.resource-description {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Featured Resources */
.resource-list.featured .resource-item {
  display: flex;
  padding: var(--spacing-md);
  background-color: var(--color-background);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
}

.resource-list.featured .resource-icon {
  padding: var(--spacing-sm);
  background-color: rgba(0, 112, 243, 0.1);
  border-radius: var(--border-radius-sm);
}

.resource-list.featured h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-lg);
}

.resource-list.featured p {
  margin-bottom: var(--spacing-sm);
}

.resource-list.featured .resource-link {
  display: inline-flex;
  color: var(--color-primary);
  padding: 0;
  background-color: transparent;
}

.resource-list.featured .resource-link:hover {
  text-decoration: underline;
  background-color: transparent;
}

/* Compass Categories */
.compass-categories {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.compass-category {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-lg);
  background-color: var(--color-background);
  border-radius: var(--border-radius-md);
  text-align: center;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
  color: var(--color-text);
}

.compass-category:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  color: var(--color-text);
}

.category-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: rgba(0, 112, 243, 0.1);
  border-radius: 50%;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.compass-category h3 {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

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

/* Leadership Team */
.leadership-team {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.team-member {
  display: flex;
  gap: var(--spacing-md);
}

.member-photo {
  flex-shrink: 0;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
}

.member-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.member-info {
  flex: 1;
}

.member-info h3 {
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-lg);
}

.member-title {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.member-bio {
  font-size: var(--font-size-sm);
  margin: 0;
}

/* Contact Info */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: flex-start;
}

.contact-icon {
  flex-shrink: 0;
  margin-right: var(--spacing-md);
  color: var(--color-primary);
}

.contact-text h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-base);
}

.contact-text p {
  margin: 0;
}

/* Social Links Large */
.social-links.large {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.social-links.large .social-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-background);
  border-radius: var(--border-radius-md);
  color: var(--color-text);
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.social-links.large .social-link:hover {
  background-color: var(--color-primary);
  color: white;
}

.social-links.large .social-link svg {
  margin-right: var(--spacing-sm);
}

/* Legal Links */
.legal-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.legal-links li a {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-background);
  border-radius: var(--border-radius-md);
  color: var(--color-text);
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.legal-links li a:hover {
  background-color: var(--color-primary);
  color: white;
}

/* Calculator Grid */
.calculator-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.calculator-card {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-md);
  background-color: var(--color-background);
  border-radius: var(--border-radius-md);
  text-decoration: none;
  color: var(--color-text);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.calculator-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  color: var(--color-text);
}

.calculator-card h3 {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-base);
  color: var(--color-primary);
}

.calculator-card p {
  margin: 0;
  font-size: var(--font-size-sm);
}

/* Book Showcase */
.book-showcase {
  margin-top: var(--spacing-md);
}

.book-item {
  display: flex;
  gap: var(--spacing-lg);
}

.book-cover {
  flex-shrink: 0;
  width: 150px;
}

.book-cover img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-md);
}

.book-details {
  flex: 1;
}

.book-details h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-lg);
}

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

/* Featured Seminar Card */
.featured-seminar {
  position: relative;
  border-top: 4px solid var(--color-primary);
}

.featured-badge {
  position: absolute;
  top: 0;
  right: var(--spacing-lg);
  transform: translateY(-50%);
  background-color: var(--color-primary);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
}

.card-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

/* Responsive Adjustments */
@media (max-width: 767px) {
  .seminar-actions {
    flex-direction: column;
  }

  .team-member {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .book-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .form-actions {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .form-row {
    flex-direction: column;
  }

  .form-group {
    min-width: 100%;
  }
}

li {
  list-style: none;
}

/* 404 Error Page */
.error-section {
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.error-content {
  max-width: 800px;
  margin: 0 auto;
}

.error-content h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.error-message {
  margin-bottom: var(--spacing-lg);
}

.error-message p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.error-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.error-search {
  margin-top: var(--spacing-xl);
  background-color: var(--color-background);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
}

.error-search h2 {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
}

.error-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  padding: 0;
  margin: var(--spacing-md) 0 0;
}

.error-links li {
  list-style: none;
}

.error-links a {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-background-alt);
  border-radius: var(--border-radius-sm);
  color: var(--color-text);
  text-decoration: none;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.error-links a:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

@media (max-width: 767px) {
  .error-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .error-links {
    flex-direction: column;
    align-items: center;
  }
}

.speaker-profile ul {
  margin-bottom: 1rem;
 }

.contact-note, .card-expert-witness, .contact-action {
  margin-top: 1rem;
}