@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@1,600;1,700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200');

/* --- CUSTOM PROPERTIES & MATERIAL 3 DESIGN TOKENS --- */
:root {
  /* Light Theme Values (Material 3 Tonal Palette style) */
  --bg-color: #FCFCFF;
  --bg-gradient-top: #F0F4F8;
  --bg-gradient-bottom: #FCFCFF;
  
  --card-bg: #FFFFFF;
  --card-border: #E1E2EC;
  --card-border-hover: #C5C6D0;
  
  --text-primary: #1A1C1E;
  --text-secondary: #43474E;
  --text-faint: #8C9199;
  --separator: #E1E2EC;
  
  --shadow-color: rgba(0, 0, 0, 0.05);
  --shadow-hover: rgba(0, 0, 0, 0.08);

  /* Brand Colors (Material 3 Key Colors) */
  --primary: #E55B00;
  --primary-hover: #D04F00;
  --primary-soft: #FFEADF;
  --primary-soft-hover: #FFD4C0;
  
  --success: #00874A;
  --success-soft: #E2F6EA;
  --warning: #00639B;
  --error: #BA1A1A;
  
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --transition-smooth: all 0.25s ease;
  --transition-bounce: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.15);
  --max-width: 1100px;
}

/* Dark Theme values override */
:root[data-theme="dark"] {
  --bg-color: #111315;
  --bg-gradient-top: #1A1C1E;
  --bg-gradient-bottom: #111315;
  
  --card-bg: #1E2022;
  --card-border: #43474E;
  --card-border-hover: #8C9199;
  
  --text-primary: #E2E2E6;
  --text-secondary: #C4C6D0;
  --text-faint: #8C9199;
  --separator: #43474E;
  
  --shadow-color: rgba(0, 0, 0, 0.2);
  --shadow-hover: rgba(0, 0, 0, 0.35);
  
  --primary-soft: #3D1C00;
  --primary-soft-hover: #5A2A00;
  --success: #34C77B;
  --success-soft: #0E351E;
}

/* Default to dark theme for user convenience if no selection exists */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-color: #111315;
    --bg-gradient-top: #1A1C1E;
    --bg-gradient-bottom: #111315;
    
    --card-bg: #1E2022;
    --card-border: #43474E;
    --card-border-hover: #8C9199;
    
    --text-primary: #E2E2E6;
    --text-secondary: #C4C6D0;
    --text-faint: #8C9199;
    --separator: #43474E;
    
    --shadow-color: rgba(0, 0, 0, 0.2);
    --shadow-hover: rgba(0, 0, 0, 0.35);
    
    --primary-soft: #3D1C00;
    --primary-soft-hover: #5A2A00;
    --success: #34C77B;
    --success-soft: #0E351E;
  }
}

/* --- RESET & BASIC STYLES --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

/* --- CLEAN MATERIAL BACKGROUND LAYOUT --- */
body {
  position: relative;
  min-height: 100vh;
  background-image: linear-gradient(to bottom, var(--bg-gradient-top), var(--bg-gradient-bottom));
  background-attachment: fixed;
}

/* --- MATERIAL SYMBOLS STYLING --- */
.material-symbols-outlined {
  font-variation-settings:
    'FILL' 0,
    'wght' 500,
    'GRAD' 0,
    'opsz' 24;
  display: inline-block;
  line-height: 1;
  width: 24px;
  height: 24px;
  vertical-align: middle;
  user-select: none;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

h1 {
  font-size: 2.75rem;
  letter-spacing: -0.03em;
}

h2 {
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.55;
}

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

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

/* --- HEADER & NAVIGATION --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-color);
  border-bottom: 1px solid var(--separator);
  box-shadow: 0 1px 3px var(--shadow-color);
  transition: var(--transition-smooth);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.logo-img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* --- MATERIAL 3 DESIGN TOGGLE SWITCH --- */
.m3-switch {
  display: inline-flex;
  align-items: center;
  position: relative;
  width: 52px;
  height: 32px;
  cursor: pointer;
  user-select: none;
}

.m3-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.m3-switch-track {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: 32px;
  transition: var(--transition-bounce);
}

.m3-switch-thumb {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 20px;
  height: 20px;
  background-color: var(--text-secondary);
  border-radius: 50%;
  transition: var(--transition-bounce);
  display: flex;
  align-items: center;
  justify-content: center;
}

.m3-switch-thumb .material-symbols-outlined {
  font-size: 14px;
  width: 14px;
  height: 14px;
  color: var(--bg-color);
  display: block;
}

.m3-switch-thumb .sun-icon {
  display: block;
}

.m3-switch-thumb .moon-icon {
  display: none;
}

/* Checked (Dark Mode / On) State */
.m3-switch input:checked + .m3-switch-track {
  background-color: var(--primary);
  border-color: var(--primary);
}

.m3-switch input:checked + .m3-switch-track .m3-switch-thumb {
  left: 24px;
  background-color: #FFFFFF;
}

.m3-switch input:checked + .m3-switch-track .m3-switch-thumb .sun-icon {
  display: none;
}

.m3-switch input:checked + .m3-switch-track .m3-switch-thumb .moon-icon {
  display: block;
  color: var(--primary);
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-bounce);
  border: 1px solid transparent;
  text-align: center;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background-color: var(--primary);
  color: #FFFFFF !important;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--card-border);
}

.btn-secondary:hover {
  background-color: var(--primary-soft);
  color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.45rem 1.15rem;
  font-size: 0.8rem;
}

/* --- CARDS & CONTAINERS --- */
.glass-card {
  background: var(--card-bg);
  border: none;
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 4px 12px var(--shadow-color);
  transition: var(--transition-smooth);
  position: relative;
  z-index: 1;
}

.glass-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--shadow-hover);
}

.main-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

/* --- LANDING HERO SECTION --- */
.hero {
  text-align: center;
  max-width: 760px;
  margin: 1.5rem auto 4rem;
  padding: 0 1rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--primary-soft);
  color: var(--primary);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(229, 91, 0, 0.15);
}

.hero h1 {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.hero-accent-text {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.15em;
  color: var(--primary);
  font-style: italic;
  font-weight: 700;
  display: inline-block;
  margin-top: 0.15rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.25rem;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --- WHY BODY DOUBLING WORKS (ADHD SECTION) --- */
.adhd-info-section {
  margin-bottom: 5rem;
}

.adhd-container {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3rem;
  align-items: center;
}

.adhd-text h2 span {
  color: var(--primary);
}

.adhd-text p {
  margin-bottom: 1.25rem;
}

.adhd-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.stat-item {
  padding: 1.5rem;
  border-radius: 16px;
  text-align: center;
}

.stat-num {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.15rem;
}

.stat-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.stat-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* --- INTERACTIVE SESSION SIMULATOR --- */
.simulator-section {
  margin-bottom: 5rem;
  text-align: center;
}

.simulator-section h2 {
  margin-bottom: 0.75rem;
}

.simulator-subtitle {
  margin-bottom: 2.25rem;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.simulator-container {
  display: grid;
  grid-template-columns: 1.2fr 1.8fr;
  gap: 3rem;
  max-width: 950px;
  margin: 0 auto;
  align-items: stretch;
}

.simulator-controls {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  width: 100%;
  max-width: 220px;
  justify-self: end;
}

.sim-control-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1.25rem 0.75rem;
  border-radius: 16px;
  background: var(--card-bg);
  border: none;
  box-shadow: 0 2px 6px var(--shadow-color);
  cursor: pointer;
  transition: var(--transition-bounce);
  text-align: center;
  width: 100%;
  aspect-ratio: 1.15 / 1;
}

.sim-control-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow-hover);
}

.sim-control-btn.active {
  background: var(--primary-soft);
  box-shadow: 0 4px 12px var(--primary-soft);
}

.sim-icon {
  background: var(--separator);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.sim-control-btn.active .sim-icon {
  background: var(--primary);
  color: #FFFFFF;
}

.sim-btn-info h4 {
  font-size: 0.8rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.25;
  color: var(--text-primary);
  transition: var(--transition-smooth);
}

.sim-control-btn.active .sim-btn-info h4 {
  color: var(--primary);
}

.simulator-preview {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* App Mockup UI Style */
.app-mockup {
  height: 100%;
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-color);
  border: none;
  box-shadow: 0 6px 20px var(--shadow-color);
}

.mockup-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--separator);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mockup-title {
  font-weight: 600;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.mockup-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  display: inline-block;
  animation: pulse-dot 1.5s infinite;
}

.mock-video-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  width: 100%;
  margin-bottom: 1.25rem;
}

.mock-video-stream {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--separator);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--separator);
  transition: var(--transition-smooth);
}

[data-theme="dark"] .mock-video-stream {
  background: #202124;
}

.video-overlay-name {
  position: absolute;
  bottom: 6px;
  left: 6px;
  background: rgba(0, 0, 0, 0.6);
  color: #FFFFFF;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.6rem;
  font-weight: 500;
}

.video-status-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse-dot 1.5s infinite;
}

.video-placeholder-icon {
  font-size: 2rem !important;
  color: var(--text-faint) !important;
}

.mockup-timer {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--primary);
  font-family: monospace, var(--font-sans);
  margin: 0.5rem 0;
  letter-spacing: -0.5px;
}

.mockup-body {
  flex-grow: 1;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: 290px;
}

.mockup-footer {
  padding: 1rem;
  border-top: 1px solid var(--separator);
  display: flex;
  justify-content: space-around;
  background: var(--card-bg);
}

.mock-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--text-faint);
  cursor: pointer;
}

.mock-tab.active {
  color: var(--primary);
}

.mock-tab .material-symbols-outlined {
  font-size: 18px;
  width: 18px;
  height: 18px;
}

/* Simulator States */
.sim-state {
  display: none;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.sim-state.active {
  display: flex;
  animation: fade-in 0.3s ease-out;
}

.avatar-ring {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.avatar-ring.pulsing {
  animation: avatar-pulse 2s infinite ease-in-out;
}

.avatar-ring .avatar-text {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.pulse-circle {
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border: 2px solid var(--primary);
  border-radius: 50%;
  opacity: 0;
  animation: circle-pulse 2s infinite ease-out;
}

.mock-partner-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
  width: 100%;
}

.mock-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.1rem;
  background: var(--card-bg);
}

.mock-avatar.me {
  border-color: var(--primary);
}

.mock-avatar.peer {
  border-color: var(--success);
}

.match-line {
  height: 2px;
  background: var(--separator);
  flex-grow: 1;
  max-width: 50px;
  position: relative;
}

.match-line .material-symbols-outlined {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 14px;
  width: 14px;
  height: 14px;
  color: var(--primary);
}

.mockup-status-text {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.mockup-desc-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  max-width: 250px;
  margin-bottom: 1.25rem;
}

.connection-pref-pills {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

.pref-pill {
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--separator);
  color: var(--text-secondary);
}

.pref-pill.active {
  background: var(--primary);
  color: #FFFFFF;
}

/* --- FEATURES GRID --- */
.features-section {
  margin-bottom: 5rem;
}

.features-section h2 {
  text-align: center;
  margin-bottom: 2.5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  height: 100%;
}

.feature-icon-wrapper {
  background: var(--primary-soft);
  color: var(--primary);
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.feature-card h3 {
  margin-bottom: 0.5rem;
}

/* --- DOWNLOAD / PROMO CTA --- */
.promo-section {
  margin-bottom: 3rem;
}

.promo-card {
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-radius: 20px;
}

.promo-card h2 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.promo-card p {
  max-width: 560px;
  margin: 0 auto 2rem;
}

/* --- LEGAL & POLICY PAGES LAYOUT --- */
.policy-container {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 3rem;
  align-items: start;
}

.policy-toc {
  position: sticky;
  top: 90px;
  background: var(--card-bg);
  border: none;
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: 0 4px 12px var(--shadow-color);
}

.toc-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-faint);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.toc-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

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

.policy-body {
  max-width: 760px;
}

.policy-body h1 {
  font-size: 2.25rem;
  margin-bottom: 0.75rem;
}

.policy-date {
  color: var(--text-faint);
  font-size: 0.85rem;
  margin-bottom: 2.25rem;
  border-bottom: 1px solid var(--separator);
  padding-bottom: 0.75rem;
}

.policy-section {
  margin-bottom: 2.5rem;
}

.policy-section h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.policy-section p {
  margin-bottom: 1rem;
}

.policy-section ul {
  list-style-type: none;
  margin-bottom: 1.25rem;
  padding-left: 0.25rem;
}

.policy-section li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.6rem;
  color: var(--text-secondary);
}

.policy-section li::before {
  content: "•";
  color: var(--primary);
  font-weight: bold;
  position: absolute;
  left: 0;
  font-size: 1rem;
  top: -1px;
}

/* --- SUPPORT PAGE SPECIFIC --- */
.support-hero {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3.5rem;
}

.support-hero h1 {
  margin-bottom: 0.75rem;
}

.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

/* FAQ Accordion */
.faq-section h2 {
  margin-bottom: 1.5rem;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  border-radius: 12px;
  overflow: hidden;
  background: var(--card-bg);
  border: none;
  box-shadow: 0 2px 6px var(--shadow-color);
  transition: var(--transition-smooth);
}

.faq-item:hover {
  box-shadow: 0 4px 12px var(--shadow-hover);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  width: 100%;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.faq-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--separator);
  color: var(--text-secondary);
  transition: var(--transition-bounce);
}

.faq-icon .material-symbols-outlined {
  font-size: 16px;
  width: 16px;
  height: 16px;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--primary);
  color: #FFFFFF;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
}

.faq-answer-inner {
  padding: 0 1.25rem 1.25rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

.faq-answer-inner p:not(:last-child) {
  margin-bottom: 0.75rem;
}

/* Contact Support Form */
.contact-section h2 {
  margin-bottom: 0.25rem;
}

.contact-subtitle {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
}

.support-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-control {
  font-family: var(--font-sans);
  background: var(--bg-color);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  color: var(--text-primary);
  outline: none;
  transition: var(--transition-smooth);
}

.form-control:focus {
  border-color: var(--primary);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.form-success-container {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 1rem;
  animation: scale-up 0.3s ease-out;
}

.form-success-container.active {
  display: flex;
}

.success-icon-badge {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--success-soft);
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.25rem;
}

.form-success-container h3 {
  margin-bottom: 0.35rem;
}

.form-success-container p {
  max-width: 300px;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
}

/* --- FOOTER --- */
.site-footer {
  background: var(--card-bg);
  border-top: 1px solid var(--separator);
  padding: 1.5rem;
  position: relative;
  z-index: 1;
  font-size: 0.9rem;
}

.site-footer footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-footer span {
  color: var(--text-secondary);
}

.site-footer .footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.site-footer .footer-links a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition-smooth);
}

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

.site-footer .footer-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-footer .footer-actions a {
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: var(--transition-smooth);
}

.site-footer .footer-actions a:hover {
  color: var(--primary);
}

.site-footer .material-svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.site-footer .top-link {
  font-weight: 500;
}

@media (max-width: 768px) {
  .site-footer footer {
    flex-direction: column;
    text-align: center;
    gap: 1.25rem;
  }
  .site-footer .footer-links {
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
  }
  .site-footer .footer-actions {
    flex-direction: column;
    gap: 1rem;
  }
}



/* --- KEYFRAME ANIMATIONS --- */
@keyframes pulse-dot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.5;
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scale-up {
  from {
    opacity: 0;
    transform: scale(0.97);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes avatar-pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
}

@keyframes circle-pulse {
  0% {
    transform: scale(1);
    opacity: 0.4;
  }
  100% {
    transform: scale(1.15);
    opacity: 0;
  }
}

/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 992px) {
  h1 {
    font-size: 2.25rem;
  }
  
  .adhd-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .simulator-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    max-width: 520px;
  }
  
  .simulator-preview {
    order: 1;
    width: 100%;
  }
  
  .simulator-controls {
    order: 2;
    flex-direction: row;
    max-width: 100%;
    justify-self: center;
  }
  
  .support-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .policy-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .policy-toc {
    position: static;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .nav-container {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .logo-link {
    order: 1;
  }
  
  .nav-actions {
    order: 2;
  }
  
  .nav-menu {
    display: flex;
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 1.25rem;
    border-top: 1px solid var(--separator);
    padding-top: 0.5rem;
    margin-top: 0.25rem;
  }
  
  .main-content {
    padding: 1.5rem 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
    max-width: 300px;
    margin: 0 auto;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-bottom {
    flex-direction: column-reverse;
    text-align: center;
  }
}

/* --- KNOWLEDGE BASE & ARTICLE STYLES --- */
.kb-hero {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
  padding: 2rem 1rem 0;
}

.kb-hero h1 {
  font-size: 2.75rem;
  margin-bottom: 1rem;
}

.kb-hero p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

/* KB Search & Filters */
.kb-search-container {
  max-width: 560px;
  margin: 0 auto 2rem;
  position: relative;
}

.kb-search-input {
  width: 100%;
  padding: 1rem 1.25rem 1rem 3rem;
  border-radius: 30px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  box-shadow: 0 4px 12px var(--shadow-color);
  outline: none;
  transition: var(--transition-smooth);
}

.kb-search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 6px 16px var(--shadow-hover);
}

.kb-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-faint);
  pointer-events: none;
}

.kb-filter-tags {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-tag {
  padding: 0.5rem 1.25rem;
  border-radius: 20px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-tag:hover, .filter-tag.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #FFFFFF;
}

/* KB Article Grid */
.kb-section-title {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.kb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.kb-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem;
  text-decoration: none;
  color: var(--text-primary);
  height: 100%;
  transition: var(--transition-smooth);
}

.kb-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px var(--shadow-hover);
}

.kb-card-badge {
  display: inline-block;
  align-self: flex-start;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.85rem;
}

.badge-core { background: var(--primary-soft); color: var(--primary); }
.badge-comparison { background: rgba(0, 99, 155, 0.12); color: #00639B; }
.badge-alt { background: rgba(186, 26, 26, 0.12); color: #BA1A1A; }
.badge-guide { background: var(--success-soft); color: var(--success); }

.kb-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
  line-height: 1.35;
}

.kb-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.kb-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-faint);
  border-top: 1px solid var(--separator);
  padding-top: 0.75rem;
}

.kb-card-link {
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
}

/* --- ARTICLE PAGE STYLES --- */
.article-layout {
  max-width: 860px;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  font-size: 0.85rem;
  color: var(--text-faint);
  margin-bottom: 2rem;
}

.breadcrumbs a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-smooth);
}

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

.breadcrumbs .sep {
  font-size: 12px;
  color: var(--text-faint);
}

/* Article Header */
.article-header {
  margin-bottom: 2.5rem;
}

.article-category-tag {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.article-header h1 {
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.article-lead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.article-author-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--separator);
  border-bottom: 1px solid var(--separator);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

/* AI Takeaway / Quick Summary Box */
.ai-takeaway-box {
  background: var(--card-bg);
  border-left: 4px solid var(--primary);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2.5rem;
  box-shadow: 0 4px 14px var(--shadow-color);
}

.ai-takeaway-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.ai-takeaway-box p, .ai-takeaway-box ul {
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.6;
}

.ai-takeaway-box ul {
  margin-left: 1.25rem;
  margin-top: 0.5rem;
}

.ai-takeaway-box li {
  margin-bottom: 0.4rem;
}

/* Article Body Typography & Prose */
.article-body {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-primary);
}

.article-body h2 {
  font-size: 1.75rem;
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--separator);
}

.article-body h3 {
  font-size: 1.35rem;
  margin: 1.75rem 0 0.75rem;
}

.article-body p {
  margin-bottom: 1.25rem;
}

.article-body ul, .article-body ol {
  margin: 0 0 1.5rem 1.5rem;
}

.article-body li {
  margin-bottom: 0.5rem;
}

.article-body blockquote {
  border-left: 4px solid var(--primary);
  padding: 1rem 1.25rem;
  margin: 1.75rem 0;
  background: var(--primary-soft);
  border-radius: 0 12px 12px 0;
  font-style: italic;
  color: var(--text-primary);
}

.article-body strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Definition Callout Box */
.definition-box {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.definition-box h4 {
  font-size: 1rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

/* Comparison Tables */
.table-responsive {
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  box-shadow: 0 4px 12px var(--shadow-color);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
  background: var(--card-bg);
}

.comparison-table th, .comparison-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--separator);
}

.comparison-table th {
  background: var(--bg-gradient-top);
  font-weight: 700;
  color: var(--text-primary);
}

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

.comparison-table .highlight-col {
  background: rgba(229, 91, 0, 0.05);
  font-weight: 600;
}

.check-yes {
  color: var(--success);
  font-weight: bold;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.check-no {
  color: var(--text-faint);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.check-partial {
  color: #00639B;
  font-weight: 500;
}

/* Related Articles Section */
.related-section {
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 2px solid var(--separator);
}

.related-section h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.25rem;
}

.related-card {
  padding: 1.25rem;
  border-radius: 12px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.related-card:hover {
  border-color: var(--primary);
  box-shadow: 0 6px 16px var(--shadow-hover);
}

.related-card h4 {
  font-size: 1rem;
  line-height: 1.35;
  margin-bottom: 0.5rem;
}

.related-card span {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
}

/* Product Facts & Eyebrow Styling */
.eyebrow {
  color: var(--text-faint);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: block;
}

.product-facts-section {
  max-width: 1000px;
  margin: 0 auto 3.5rem auto;
  padding: 0 1.5rem;
}

.product-facts-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.product-facts-content p {
  color: var(--text-secondary);
  font-size: 1.08rem;
  line-height: 1.7;
  max-width: 820px;
  margin-bottom: 1.25rem;
}

.product-facts-link {
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 500;
  text-decoration: underline;
  transition: var(--transition-smooth);
}

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

/* About Facts Grid (DL/DT/DD) */
.about-facts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.about-fact-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1.25rem;
}

.about-fact-item dt {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 0.35rem;
}

.about-fact-item dd {
  font-size: 0.98rem;
  color: var(--text-primary);
  line-height: 1.5;
  margin: 0;
}

/* LIGHTBOX MODAL FOR EXPANDABLE IMAGES */
.lightbox-modal {
  display: none;
  position: fixed;
  z-index: 10000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  padding: 1.5rem;
  box-sizing: border-box;
  animation: fadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-content {
  max-width: 92vw;
  max-height: 90vh;
  border-radius: 18px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  object-fit: contain;
  animation: zoomIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  color: #ffffff;
  font-size: 2rem;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.15);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.08);
}

.expandable-image, .glass-card img {
  cursor: zoom-in;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.expandable-image:hover, .glass-card img:hover {
  transform: translateY(-3px) scale(1.015);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.16);
}

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

@keyframes zoomIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}