/* 
 * 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;
  --color-background-alt: #edf2f7;

  /* 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);
}

.grid-column {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  min-width: 0;
}

@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-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.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);
}

/* News & Events right column stacks multiple cards; force natural card height
   so each card sizes to content instead of filling the full column height. */
.news-events .grid-column > .card {
  height: auto;
}

/* DPPA page uses stacked cards that should size to content. */
.dppa-page .card {
  height: auto;
}

.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 {
  margin-top: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--color-border);
  color: var(--color-text);
}

.expert-witness-blurb,
.onsite-training-blurb {
  line-height: 1.7;
}
.expert-witness-blurb p,
.onsite-training-blurb p {
  margin-bottom: var(--spacing-sm);
}

/* Generic badge utility */
.badge-new {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: white;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius-full);
  letter-spacing: 0.02em;
  margin-bottom: var(--spacing-sm);
}

/* --- ChatETS Hero --- */
.chatets-hero {
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-xl) 0;
  background: #0a0f1c;
  border-radius: var(--border-radius-lg);
  position: relative;
  overflow: hidden;
  /*min-height: 500px;*/
}

.neural-background {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* Sci‑fi grid background */
.chatets-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,112,243,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,112,243,0.03) 1px, transparent 1px);
  background-size: 30px 30px;
  animation: gridShift 20s linear infinite;
  z-index: 0;
}

@keyframes gridShift {
  0% { transform: translate(0,0); }
  100% { transform: translate(30px,30px); }
}

.chatets-hero .container {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  position: relative;
  z-index: 3;
  max-width: 1200px;
}

@media (min-width: 768px) {
  .chatets-hero .container {
    grid-template-columns: 250px 1fr;
    gap: calc(var(--spacing-xl) * 1.5);
    padding: 0 calc(var(--container-padding) * 2);
  }
}

@media (min-width: 1024px) {
  .chatets-hero .container {
    grid-template-columns: 300px 1fr;
    gap: calc(var(--spacing-xl) * 2);
  }
}

.chatets-hero-content { color: #fff; }

.chatets-hero-content h2 {
  font-size: var(--font-size-3xl);
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(90deg, #00d4ff, #7c3aed, #00d4ff);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.chatets-hero-content p {
  color: rgba(255,255,255,0.8);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
}

.chatets-hero .badge-new {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: #0a0f1c;
  background: linear-gradient(90deg, #00d4ff, #7c3aed);
  padding: 0.375rem 0.75rem;
  border-radius: var(--border-radius-full);
  letter-spacing: 0.025em;
  margin-bottom: calc(var(--spacing-sm) * 1.5);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
  animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
  0%, 100% { box-shadow: 0 0 20px rgba(0, 212, 255, 0.3); }
  50% { box-shadow: 0 0 30px rgba(124, 58, 237, 0.5); }
}

.chatets-actions { display: flex; gap: var(--spacing-sm); flex-wrap: wrap; align-items: center; }

.chatets-hero .btn { padding: 14px 28px; border-radius: 10px; text-decoration: none; font-weight: 600; font-size: 0.95rem; transition: all 0.3s ease; position: relative; overflow: hidden; white-space: nowrap; }

.chatets-hero .btn-primary { background: linear-gradient(90deg, var(--color-primary), var(--color-accent)); color: #fff; border: none; box-shadow: 0 4px 15px rgba(0,112,243,0.3); }
.chatets-hero .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,112,243,0.4); }

.chatets-hero .btn-ghost { background: rgba(255,255,255,0.08); color: #00d4ff; border: 1px solid rgba(0,212,255,0.25); backdrop-filter: blur(10px); }
.chatets-hero .btn-ghost:hover { background: rgba(0,212,255,0.12); border-color: rgba(0,212,255,0.4); box-shadow: 0 0 20px rgba(0,212,255,0.2); }

.chatets-hero-art { display: flex; align-items: center; justify-content: center; position: relative; }
.brain-container { position: relative; width: 140px; height: 140px; display: flex; align-items: center; justify-content: center; }
@media (min-width: 768px) { .brain-container { width: 180px; height: 180px; } }
@media (min-width: 1024px) { .brain-container { width: 220px; height: 220px; } }
.brain-emoji { font-size: clamp(60px, 8vw, 100px); filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.5)); animation: brainPulse 3s ease-in-out infinite; }
@keyframes brainPulse { 0%,100% { filter: drop-shadow(0 0 30px rgba(0,212,255,0.5)); transform: scale(1);} 50% { filter: drop-shadow(0 0 50px rgba(124,58,237,0.8)); transform: scale(1.05);} }

/* Focused neural web around brain */
.neural-web { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: clamp(300px, 25vw, 450px); height: clamp(300px, 25vw, 450px); pointer-events: none; }
.neural-path { stroke: url(#neuralGrad); stroke-width: 2; fill: none; stroke-dasharray: 8 12; opacity: 0.6; animation: pathFlow 4s linear infinite; }
.neural-path:nth-child(2) { animation-delay: -1s; }
.neural-path:nth-child(3) { animation-delay: -2s; }
.neural-path:nth-child(4) { animation-delay: -3s; }
@keyframes pathFlow { 0% { stroke-dashoffset: 0; opacity: 0.3; } 50% { opacity: 0.8; } 100% { stroke-dashoffset: -40; opacity: 0.3; } }
.neural-node { fill: #00d4ff; opacity: 0.8; animation: nodeFlicker 2s ease-in-out infinite alternate; filter: drop-shadow(0 0 8px rgba(0,212,255,0.6)); }
.neural-node:nth-child(odd) { animation-delay: -1s; }
@keyframes nodeFlicker { 0% { opacity: 0.7; transform: scale(1);} 100% { opacity: 1; transform: scale(1.4);} }

/* Background neural pathways inside hero background */
.bg-neural-path { stroke: url(#bgNeuralGrad); stroke-width: 1.5; fill: none; stroke-dasharray: 6 10; opacity: 0.15; animation: bgPathFlow 8s linear infinite; }
.bg-neural-path:nth-child(2n) { animation-delay: -2s; opacity: 0.12; }
.bg-neural-path:nth-child(3n) { animation-delay: -4s; opacity: 0.18; }
.bg-neural-path:nth-child(4n) { animation-delay: -6s; opacity: 0.10; }
@keyframes bgPathFlow { 0% { stroke-dashoffset: 0; opacity: 0.08;} 25% { opacity: 0.20;} 75% { opacity: 0.20;} 100% { stroke-dashoffset: -32; opacity: 0.08; } }
.bg-neural-node { fill: #00d4ff; opacity: 0.3; animation: bgNodePulse 4s ease-in-out infinite; filter: drop-shadow(0 0 4px rgba(0,212,255,0.4)); }
.bg-neural-node:nth-child(2n) { animation-delay: -1s; }
.bg-neural-node:nth-child(3n) { animation-delay: -2s; }
.bg-neural-node:nth-child(4n) { animation-delay: -3s; }
@keyframes bgNodePulse { 0%,100% { opacity: 0.2; transform: scale(1);} 50% { opacity: 0.6; transform: scale(1.4);} }

/* Scanline effect */
.scanline { position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, #00d4ff, transparent); animation: scan 3s linear infinite; opacity: 0.7; }
@keyframes scan { 0% { transform: translateY(-100px); opacity: 0;} 10% { opacity: 0.7;} 90% { opacity: 0.7;} 100% { transform: translateY(500px); opacity: 0;} }

/* Larger, crisper brain on wider viewports */
@media (min-width: 768px) {
  .chatets-orb {
    max-width: 320px;
  }
}

@media (min-width: 1024px) {
  .chatets-orb {
    max-width: 380px;
  }
}

/* Brain styling inside SVG via CSS classes added in markup */
.chatets-brain {
  filter: drop-shadow(0 8px 24px rgba(0, 112, 243, 0.25));
  animation: glowPulse 5.5s ease-in-out infinite;
}

.chatets-folds {
  stroke-linecap: round;
  stroke-linejoin: round;
  animation: pulseStroke 4.5s ease-in-out infinite;
}

/* Neuron mesh animation */
.chatets-mesh path {
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 6 10;
  animation: meshFlow 5s linear infinite;
}

.chatets-mesh circle {
  transform-origin: center;
  animation: nodePulse 2.8s ease-in-out infinite alternate;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.15));
}

/* Animations */
@keyframes brainFloat {
  0% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
  100% { transform: translateY(0); }
}

@keyframes glowPulse {
  0% { filter: drop-shadow(0 8px 24px rgba(0, 112, 243, 0.18)); }
  50% { filter: drop-shadow(0 12px 36px rgba(121, 40, 202, 0.30)); }
  100% { filter: drop-shadow(0 8px 24px rgba(0, 112, 243, 0.18)); }
}

@keyframes pulseStroke {
  0% { stroke-width: 3.75; stroke-opacity: 0.9; }
  50% { stroke-width: 4.5; stroke-opacity: 1; }
  100% { stroke-width: 3.75; stroke-opacity: 0.9; }
}

@keyframes meshFlow {
  0% { stroke-dashoffset: 0; opacity: 0.85; }
  50% { opacity: 1; }
  100% { stroke-dashoffset: -64; opacity: 0.85; }
}

@keyframes nodePulse {
  0% { transform: scale(1); opacity: 0.85; }
  100% { transform: scale(1.35); opacity: 1; }
}

/* Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
  .chatets-orb,
  .chatets-brain,
  .chatets-folds,
  .chatets-mesh,
  .chatets-mesh path,
  .chatets-mesh circle {
    animation: none !important;
  }
}

/* --- Header Promo Banner --- */
.chatets-banner {
  width: 100%;
  background: linear-gradient(90deg, rgba(0,112,243,0.12), rgba(0,200,180,0.12));
  border-bottom: 1px solid var(--color-border);
}

.chatets-banner .banner-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--container-padding);
}

.chatets-banner a {
  color: var(--color-text);
  font-weight: 600;
  text-decoration: none;
}

.chatets-banner a:hover,
.chatets-banner a:focus {
  text-decoration: underline;
}

/* ---------- Contact Page ---------- */

.contact-hero {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--spacing-xl);
}
.contact-hero h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}
.contact-hero p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.contact-channels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xxl);
}
.contact-channel-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  text-decoration: none;
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}
.contact-channel-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  text-decoration: none;
  color: var(--color-text);
}
.contact-channel-featured {
  background: linear-gradient(135deg, rgba(0,112,243,0.06), rgba(121,40,202,0.04));
  border-color: rgba(0,112,243,0.25);
}
.contact-channel-featured:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 20px rgba(0,112,243,0.15);
}
.contact-channel-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: white;
  border-radius: var(--border-radius-md);
}
.contact-channel-featured .contact-channel-icon {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
}
.contact-channel-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.contact-channel-body strong {
  font-size: var(--font-size-base);
}
.contact-channel-body span {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}
.contact-channel-arrow {
  flex-shrink: 0;
  color: var(--color-text-secondary);
  transition: transform var(--transition-fast), color var(--transition-fast);
}
.contact-channel-card:hover .contact-channel-arrow {
  transform: translateX(4px);
  color: var(--color-primary);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--spacing-xxl);
  align-items: start;
}

.contact-form-wrapper {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-xxl);
}
.contact-form-wrapper h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-lg);
}
.contact-form .form-row {
  margin-bottom: 0;
}
.contact-form .form-group {
  margin-bottom: var(--spacing-md);
}
.contact-form .form-control {
  padding: 0.625rem 0.75rem;
  border-radius: var(--border-radius-md);
}
.contact-form .form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0,112,243,0.1);
}
.contact-form select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234a5568' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.25rem;
}
.contact-submit {
  width: 100%;
  padding: 0.875rem;
  font-size: var(--font-size-lg);
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  position: sticky;
  top: calc(var(--spacing-xl) + 60px);
}

.contact-info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
}
.contact-info-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
}
.contact-info-card address {
  font-style: normal;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}
.contact-info-card p {
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
}
.contact-info-card p:last-child {
  margin-bottom: 0;
}
.contact-info-card a {
  color: var(--color-primary);
}
.contact-info-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--spacing-md) 0;
}

.contact-why-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
}
.contact-why-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
}
.contact-why-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}
.contact-why-card li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: var(--spacing-md);
  border-left: 2px solid var(--color-primary);
}
.contact-why-card li strong {
  font-size: var(--font-size-sm);
}
.contact-why-card li span {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.contact-success {
  text-align: center;
  max-width: 520px;
  margin: var(--spacing-xxl) auto;
  padding: var(--spacing-xxl) var(--spacing-xl);
}
.contact-success-icon {
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
}
.contact-success h1 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-sm);
}
.contact-success p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}
.contact-success-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-xl);
}

@media (max-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .contact-sidebar {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
  }
  .contact-sidebar > * {
    flex: 1;
    min-width: 260px;
  }
}
@media (max-width: 600px) {
  .contact-hero h1 {
    font-size: var(--font-size-3xl);
  }
  .contact-channels {
    grid-template-columns: 1fr;
  }
  .contact-form-wrapper {
    padding: var(--spacing-lg);
  }
  .contact-sidebar {
    flex-direction: column;
  }
  .contact-sidebar > * {
    min-width: 100%;
  }
  .contact-success-actions {
    flex-direction: column;
  }
}

/* ---------- Page Layout Helpers ---------- */

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

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

/* ---------- Alert / Status Banners ---------- */

.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  border: 1px solid transparent;
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-base);
  line-height: 1.6;
}
.alert-success {
  background-color: #e6f7e6;
  border-color: #b2dfb2;
  color: #1a5c1a;
}
.alert-danger {
  background-color: #fde8e8;
  border-color: #f5b2b2;
  color: #7a1a1a;
}
.alert-warning {
  background-color: #fff8e6;
  border-color: #f5dfa0;
  color: #7a5c00;
}
.alert-info {
  background-color: #e8f4fd;
  border-color: #b2d8f5;
  color: #1a4a7a;
}
.alert-heading {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

[data-theme="dark"] .alert-success,
.theme-dark .alert-success {
  background-color: #1a3a1a;
  border-color: #2d5a2d;
  color: #b2dfb2;
}
[data-theme="dark"] .alert-danger,
.theme-dark .alert-danger {
  background-color: #3a1a1a;
  border-color: #5a2d2d;
  color: #f5b2b2;
}
[data-theme="dark"] .alert-warning,
.theme-dark .alert-warning {
  background-color: #3a2e00;
  border-color: #5a4a1a;
  color: #f5dfa0;
}
[data-theme="dark"] .alert-info,
.theme-dark .alert-info {
  background-color: #1a2e3a;
  border-color: #2d4a5a;
  color: #b2d8f5;
}

/* ---------- Info / Success / Error Boxes ---------- */

.info-box {
  padding: var(--spacing-lg);
  background-color: var(--color-surface);
  border-left: 4px solid var(--color-info);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-lg);
}
.success-box {
  padding: var(--spacing-lg);
  background-color: #e6f7e6;
  border-left: 4px solid #38a169;
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-lg);
}
.error-box {
  padding: var(--spacing-lg);
  background-color: #fde8e8;
  border-left: 4px solid var(--color-error);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-lg);
}

/* ---------- Bootstrap Grid Fallbacks ---------- */

.row {
  display: flex;
  flex-wrap: wrap;
  margin-left: calc(var(--spacing-md) * -0.5);
  margin-right: calc(var(--spacing-md) * -0.5);
}
.row > [class*="col-"] {
  padding-left: calc(var(--spacing-md) * 0.5);
  padding-right: calc(var(--spacing-md) * 0.5);
  flex: 0 0 100%;
  max-width: 100%;
  box-sizing: border-box;
}
@media (min-width: 768px) {
  .col-md-4 { flex: 0 0 33.333%; max-width: 33.333%; }
  .col-md-6 { flex: 0 0 50%; max-width: 50%; }
  .col-md-8 { flex: 0 0 66.667%; max-width: 66.667%; }
  .col-md-12 { flex: 0 0 100%; max-width: 100%; }
  .offset-md-2 { margin-left: 16.667%; }
}
@media (min-width: 992px) {
  .col-lg-4 { flex: 0 0 33.333%; max-width: 33.333%; }
  .col-lg-6 { flex: 0 0 50%; max-width: 50%; }
}

/* ---------- List Group ---------- */

.list-group {
  display: flex;
  flex-direction: column;
  padding-left: 0;
  margin-bottom: 0;
}
.list-group-item {
  position: relative;
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
}
.list-group-item:first-child {
  border-top-left-radius: var(--border-radius-md);
  border-top-right-radius: var(--border-radius-md);
}
.list-group-item:last-child {
  border-bottom-left-radius: var(--border-radius-md);
  border-bottom-right-radius: var(--border-radius-md);
}
.list-group-item + .list-group-item {
  border-top-width: 0;
}
.list-group-flush .list-group-item {
  border-right: 0;
  border-left: 0;
  border-radius: 0;
}
.list-group-flush .list-group-item:first-child {
  border-top: 0;
}
.list-group-flush .list-group-item:last-child {
  border-bottom: 0;
}

/* ---------- Table Helpers ---------- */

.table-responsive {
  display: block;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.table-striped tbody tr:nth-of-type(odd) {
  background-color: var(--color-surface);
}

/* ---------- Card Sub-components ---------- */

.card-header {
  padding: var(--spacing-md) var(--spacing-lg);
  margin: calc(var(--spacing-lg) * -1) calc(var(--spacing-lg) * -1) var(--spacing-md);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  font-weight: 600;
}
.card-body {
  padding: var(--spacing-md) 0;
}

/* ---------- Form Validation ---------- */

.field-error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}
.fee-label {
  font-weight: 500;
  color: var(--color-text-secondary);
}

/* ---------- Pricing Page ---------- */

.pricing-price {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-text);
  margin: var(--spacing-md) 0;
}
.pricing-period {
  font-size: var(--font-size-base);
  font-weight: 400;
  color: var(--color-text-secondary);
}
.pricing-featured {
  border: 2px solid var(--color-primary);
  position: relative;
}
.pricing-badge {
  display: inline-block;
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: #fff;
  padding: 0.25rem 1rem;
  border-radius: 9999px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  white-space: nowrap;
}
.pricing-cta {
  padding: var(--spacing-xxl) 0;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
}
.pricing-cta h2,
.pricing-cta p {
  color: #fff;
}
.pricing-cta p {
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
}
.pricing-cta .btn-outline {
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}
.pricing-cta .btn-outline:hover {
  background-color: rgba(255,255,255,0.15);
  border-color: #fff;
}

/* ---------- Legacy Table Responsive Override ---------- */

table[width] {
  max-width: 100% !important;
  width: auto !important;
  table-layout: auto;
}
table[width] td[width],
table[width] th[width] {
  width: auto !important;
}
table[width] img {
  max-width: 100%;
  height: auto;
}