/* ==========================================================================
   PassCrates Components — Minimalist, Linear/Raycast Tier UI
   Zero visual noise, precision micro-interactions, high typographic discipline
   ========================================================================== */

/* --- Top Navigation Header --- */
.cyber-header {
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(9, 10, 13, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  padding: var(--space-3) 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: inherit;
}

.brand-logo-wrap {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  overflow: hidden;
  padding: 0;
  transition: var(--transition-fast);
}

.brand-logo-wrap img,
.brand-logo-wrap svg {
  width: 32px;
  height: 32px;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-sm);
  display: block;
  object-fit: contain;
}

.brand-text h1,
.brand-text .brand-title {
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: -0.01em;
  display: inline-block;
  margin: 0;
  line-height: 1;
}

.brand-text h1 span.accent,
.brand-text .brand-title span.accent {
  color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.header-nav-link {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.header-nav-link:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
  background: rgba(255, 255, 255, 0.06);
}

.security-beacon {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

.beacon-pulse {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background-color: var(--emerald);
}

.btn-icon {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: var(--transition-instant);
}

.btn-icon:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
  background: var(--bg-surface-elevated);
}

.btn-icon.active {
  color: var(--accent);
  border-color: var(--accent-border);
  background: var(--accent-subtle);
}

/* --- Hero & Intro --- */
.hero-deck {
  padding: var(--space-8) 0 var(--space-5);
  text-align: center;
}

.hero-title {
  font-size: clamp(var(--text-xl), 3vw, var(--text-2xl));
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.hero-tagline {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  max-width: 520px;
  margin: 0 auto;
}

/* --- Segmented Navigation Deck (Raycast / Apple Style) --- */
.nav-deck-wrap {
  margin: var(--space-5) auto var(--space-8);
  display: flex;
  justify-content: center;
}

.nav-deck {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 3px;
  gap: 2px;
  max-width: 100%;
  overflow-x: auto;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
}

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

.tab-btn.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

/* --- Content Views --- */
.tab-content-pane {
  display: none;
}

.tab-content-pane.active {
  display: block;
  animation: paneEntry 200ms var(--ease-spring);
}

@keyframes paneEntry {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- The Core Crate Card --- */
.crate-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  position: relative;
}

/* --- Signature Password Display Bay --- */
.password-bay {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 68px;
  margin-bottom: var(--space-4);
  transition: border-color var(--transition-fast);
}

.password-bay:hover {
  border-color: var(--border-strong);
}

.password-text-wrap {
  flex: 1;
  font-family: var(--font-mono);
  font-size: clamp(var(--text-md), 2.4vw, var(--text-xl));
  font-weight: 500;
  letter-spacing: 0.06em;
  word-break: break-all;
  user-select: all;
  color: var(--text-primary);
  line-height: 1.3;
}

/* Scramble character animation */
.char-flip {
  display: inline-block;
  animation: charPop 180ms var(--ease-spring);
}

@keyframes charPop {
  0% { opacity: 0; transform: translateY(4px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* Subtle Syntax Coloring */
.token-digit {
  color: #38BDF8; /* Soft Sky */
}
.token-symbol {
  color: #34D399; /* Soft Mint */
}
.token-lower {
  color: var(--text-primary);
}
.token-upper {
  color: #FFFFFF;
  font-weight: 600;
}

/* Ghost Mode Blur */
body.ghost-active .ghost-target {
  filter: blur(8px);
  user-select: none;
  cursor: pointer;
  transition: filter var(--transition-fast);
}

body.ghost-active .ghost-target:hover {
  filter: blur(0px);
}

/* Action Buttons */
.bay-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Primary Tactile Copy CTA */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: #FFFFFF;
  color: #090A0D;
  font-weight: 600;
  font-size: var(--text-sm);
  transition: var(--transition-instant);
}

.btn-primary:hover {
  background: #E5E7EB;
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-primary.copied {
  background: var(--emerald);
  color: #FFFFFF;
}

/* Secondary Button */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: var(--text-sm);
  transition: var(--transition-instant);
}

.btn-secondary:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
  background: var(--bg-surface-active);
}

/* Discrete Shuffle Button */
.btn-roll {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.btn-roll:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.btn-roll svg {
  transition: transform 250ms var(--ease-spring);
}

.btn-roll:active svg,
.btn-roll.spinning svg {
  transform: rotate(180deg);
}

/* --- Consolidated Telemetry Strip --- */
.telemetry-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  gap: var(--space-4);
}

.telemetry-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.identicon-box {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: var(--radius-xs);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 4px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.15s ease;
}

.identicon-box:hover {
  border-color: var(--accent);
  transform: scale(1.08);
}

.identicon-box canvas {
  width: 100%;
  height: 100%;
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.telemetry-stat {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

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

.entropy-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
}

.entropy-track {
  width: 72px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.entropy-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--emerald);
  transition: width var(--transition-normal);
}

/* NATO popover toggle */
.nato-toggle-btn {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition-instant);
}

.nato-toggle-btn:hover {
  color: var(--text-secondary);
}

.nato-drawer {
  display: none;
  padding: var(--space-3);
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  overflow-x: auto;
  white-space: nowrap;
}

.nato-drawer.open,
.nato-drawer.show {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.nato-chip {
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
}

/* --- Clean Control Grid --- */
.controls-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-6);
  padding-top: var(--space-2);
}

.control-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.control-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-weight: 500;
}

.control-val-badge {
  font-family: var(--font-mono);
  color: var(--text-primary);
  font-weight: 600;
}

/* Clean Custom Slider */
.cyber-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  cursor: pointer;
}

.cyber-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  background: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.2);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: transform var(--transition-instant);
}

.cyber-range::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

/* Preset Segmented Pills */
.presets-group {
  display: flex;
  gap: 6px;
}

.preset-chip {
  flex: 1;
  padding: 5px 8px;
  border-radius: var(--radius-xs);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-secondary);
  text-align: center;
  transition: var(--transition-instant);
}

.preset-chip:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.preset-chip.active {
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border-color: var(--border-strong);
}

/* Character Matrix Switches */
.toggles-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

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

/* Minimalist Switch */
.switch-wrap {
  position: relative;
  width: 34px;
  height: 18px;
}

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

.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(255, 255, 255, 0.1);
  transition: var(--transition-fast);
  border-radius: var(--radius-full);
}

.switch-slider:before {
  position: absolute;
  content: "";
  height: 12px;
  width: 12px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-tertiary);
  transition: var(--transition-fast);
  border-radius: var(--radius-full);
}

.switch-wrap input:checked + .switch-slider {
  background-color: var(--accent);
}

.switch-wrap input:checked + .switch-slider:before {
  transform: translateX(16px);
  background-color: #090A0D;
}

/* --- Strength Audit View --- */
.audit-input-wrap {
  margin-bottom: var(--space-5);
}

.clean-input {
  width: 100%;
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-mono);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-instant);
}

.clean-input:focus {
  border-color: var(--border-focus);
}

.audit-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.metric-box {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.metric-label {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-bottom: 4px;
}

.metric-value {
  font-size: var(--text-md);
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.audit-checklist {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.checklist-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.checklist-card h4 {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-3);
}

.checklist-card ul {
  list-style: none;
  font-size: var(--text-xs);
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* --- Mnemonic Studio View --- */
.mnemonic-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: var(--space-3);
}

.field-label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-weight: 500;
}

.mnemonic-result-box {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mnemonic-story-quote {
  font-size: var(--text-base);
  color: var(--text-primary);
  font-style: italic;
  margin-bottom: var(--space-4);
  line-height: 1.5;
}

/* --- Attack Simulator Grid --- */
.attack-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.attack-card {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  transition: border-color var(--transition-fast);
}

.attack-card:hover {
  border-color: var(--border-medium);
}

.attack-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-bottom: var(--space-2);
}

.attack-card-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.attack-card-time {
  font-size: var(--text-lg);
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--accent);
  margin: var(--space-2) 0;
}

/* --- Vault & WiFi Card --- */
.vault-split-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-6);
}

.crates-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
}

.crates-table th {
  text-align: left;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-tertiary);
  font-weight: 500;
}

.crates-table td {
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
}

.qr-box {
  background: #FFFFFF;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  width: 160px;
  height: 160px;
  margin: var(--space-3) auto;
}

.qr-box svg {
  width: 100%;
  height: 100%;
}

/* --- Floating Clipboard Toast --- */
.clipboard-toast {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  box-shadow: var(--shadow-elevated);
  z-index: var(--z-toast);
  transform: translateY(60px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  font-size: var(--text-xs);
}

.clipboard-toast.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* --- Clean FAQ Accordion --- */
.faq-section {
  margin: var(--space-12) 0;
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-8);
}

.faq-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.faq-item {
  background: var(--bg-surface);
}

.faq-question {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  text-align: left;
}

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

.faq-question svg {
  transition: transform var(--transition-fast);
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 var(--space-4) var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  line-height: 1.6;
  display: none;
}

.faq-item.open .faq-answer {
  display: block;
}

/* --- RGB Gradient Effect --- */
.rgb-gradient {
  background: linear-gradient(135deg, #00E5BE 0%, #3B82F6 25%, #8B5CF6 50%, #EC4899 75%, #00E5BE 100%);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: rgbGlow 6s ease infinite;
  display: inline-block;
  font-weight: 700;
}

@keyframes rgbGlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* --- Floating Background Particles --- */
.particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  font-family: var(--font-mono);
  color: rgba(255, 255, 255, 0.05);
  user-select: none;
  pointer-events: none;
  animation: floatParticle linear infinite;
  will-change: transform, opacity;
}

.particle.dot {
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 190, 0.22) 0%, rgba(139, 92, 246, 0.08) 60%, transparent 100%);
}

@keyframes floatParticle {
  0% {
    transform: translateY(105vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-10vh) rotate(360deg);
    opacity: 0;
  }
}

/* --- High-End Scrolling Text & Section Motion Reveal --- */
.scroll-text-reveal {
  opacity: 0;
  transform: translateY(22px);
  filter: blur(4px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.75s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform, filter;
}

.scroll-text-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* Staggered sequential reveals for cards, lists, and paragraphs */
.scroll-text-reveal[data-delay="1"],
.scroll-text-reveal:nth-child(2) { transition-delay: 0.08s; }
.scroll-text-reveal[data-delay="2"],
.scroll-text-reveal:nth-child(3) { transition-delay: 0.16s; }
.scroll-text-reveal[data-delay="3"],
.scroll-text-reveal:nth-child(4) { transition-delay: 0.24s; }
.scroll-text-reveal[data-delay="4"],
.scroll-text-reveal:nth-child(5) { transition-delay: 0.32s; }

/* Backward compatibility for reveal-on-scroll */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.reveal-on-scroll.is-revealed,
.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .scroll-text-reveal,
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    transition: none !important;
  }
}

/* Fluid Tab Enter Animation */
.tab-content-pane.active {
  animation: tabPaneEnter 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes tabPaneEnter {
  0% {
    opacity: 0;
    transform: translateY(12px) scale(0.997);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* --- Dedicated Master About Us Section (Below FAQ) --- */
.about-us-section {
  margin-top: var(--space-12);
  margin-bottom: var(--space-12);
  padding: var(--space-8);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  position: relative;
  overflow: hidden;
}

.about-us-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--accent) 50%, transparent 100%);
  opacity: 0.8;
}

.about-us-hero {
  margin-bottom: var(--space-8);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: var(--space-6);
}

.about-us-hero .about-headline {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-top: var(--space-2);
  margin-bottom: var(--space-2);
}

.about-module-selector {
  display: flex;
  gap: var(--space-2);
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 4px;
}

.about-tab-btn {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.about-tab-btn.active {
  background: var(--bg-surface-elevated);
  color: var(--accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  font-weight: 600;
}

.about-module-pane {
  display: block;
}

@keyframes moduleEnter {
  0% {
    opacity: 0;
    transform: translateY(16px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.about-pane-header {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
}

.about-pane-badge {
  display: inline-block;
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: var(--space-2);
  letter-spacing: 0.05em;
}

.about-pane-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
}

.about-pane-lead {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.about-deep-block {
  margin-bottom: var(--space-8);
}

.about-deep-block h3 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.about-deep-block h3 svg {
  color: var(--accent);
}

.about-threat-list {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0 var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.about-threat-list li {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  padding-left: var(--space-4);
  position: relative;
}

.about-threat-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.about-threat-list strong {
  color: var(--text-primary);
}

.about-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--accent-subtle);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.about-headline {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.about-prose {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.about-prose p {
  margin-bottom: var(--space-3);
}

.about-prose strong {
  color: var(--text-primary);
}

.about-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-4);
  margin: var(--space-5) 0;
}

.about-card-item {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.about-card-item h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.about-card-item p {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Tab-Specific Q&A Accordion */
.tab-qa-box {
  margin-top: var(--space-6);
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.tab-qa-title {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
}

.tab-qa-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

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

.tab-qa-q {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  text-align: left;
}

.tab-qa-q:hover {
  color: var(--text-primary);
}

.tab-qa-q svg {
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.tab-qa-item.open .tab-qa-q svg {
  transform: rotate(180deg);
}

.tab-qa-item.open .tab-qa-q {
  color: var(--text-primary);
}

.tab-qa-a {
  padding: 0 var(--space-4) var(--space-4);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  line-height: 1.7;
  display: none;
}

.tab-qa-item.open .tab-qa-a {
  display: block;
}

/* --- Clean Footer --- */
.cyber-footer {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-6) 0;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}