/**
 * AITestHub LLP - Component Stylesheet
 * Enterprise UI Components, Header, Navigation, Footer, Assistant Bot, Quote Wizard
 */

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: var(--z-header);
  background: var(--bg-glass-heavy);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(7, 10, 19, 0.96);
  border-bottom-color: var(--border-medium);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.brand-logo-mark {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-logo-mark svg {
  width: 100%;
  height: 100%;
  display: block;
}

.brand-logo-text {
  font-family: var(--font-display);
  display: inline-flex;
  align-items: baseline;
  position: relative;
}

.brand-ai-wrapper {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
}

.brand-mini-robot {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 15px;
  height: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 0 5px rgba(0, 210, 255, 0.85));
  animation: robot-float 2.5s ease-in-out infinite;
  pointer-events: none;
}

.brand-mini-robot svg {
  width: 100%;
  height: 100%;
  display: block;
}

@keyframes robot-float {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-3px);
  }
}

.brand-logo-text span.brand-test {
  color: var(--accent-cyan);
}

/* Nav Menu Desktop */
.nav-desktop,
.main-nav {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: var(--space-1) !important;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  white-space: nowrap !important;
}

.nav-link {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.04);
}

.nav-link-badge {
  font-size: 0.65rem;
  background: var(--gradient-accent);
  color: #ffffff;
  padding: 1px 5px;
  border-radius: var(--radius-full);
  font-weight: 700;
}

/* Nav Dropdowns */
.nav-item-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 260px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-fast);
  z-index: 100;
}

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

.dropdown-item {
  display: flex;
  flex-direction: column;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition-fast);
}

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

.dropdown-item-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dropdown-item-desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: 2px;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  cursor: pointer;
}

/* ==========================================================================
   Mobile Navigation Drawer
   ========================================================================== */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 360px;
  height: 100vh;
  background: var(--bg-surface-elevated);
  border-left: 1px solid var(--border-medium);
  z-index: var(--z-modal);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  transition: right var(--transition-normal);
  overflow-y: auto;
}

.mobile-nav-drawer.open {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.mobile-nav-link {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-nav-link:hover {
  background: var(--bg-surface-hover);
  color: var(--accent-cyan);
}

.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-nav-backdrop.open {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 1024px) {
  .nav-desktop { display: none; }
  .mobile-toggle { display: flex; align-items: center; justify-content: center; }
  .header-actions .btn-primary { display: none; }
}

/* ==========================================================================
   Trust & Capability Strip (Lifecycle ticker)
   ========================================================================== */
.trust-strip {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-6) 0;
}

.trust-strip-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.lifecycle-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.lifecycle-step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-weight: 500;
}

.lifecycle-step .step-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(0, 210, 255, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 210, 255, 0.3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
}

.lifecycle-arrow {
  color: var(--text-muted);
  font-size: var(--text-xs);
}

.capabilities-cloud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--border-subtle);
}

.cap-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.cap-tag:hover {
  color: var(--accent-cyan);
  border-color: var(--border-accent);
  background: var(--bg-surface-hover);
}

/* ==========================================================================
   5 Core Service Pillar Cards
   ========================================================================== */
.service-pillar-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
  position: relative;
}

.service-pillar-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg), 0 0 24px rgba(0, 210, 255, 0.12);
  transform: translateY(-4px);
}

.pillar-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: var(--space-5);
}

.pillar-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.pillar-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}

.pillar-service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.pillar-service-list li {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: #cbd5e1;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.pillar-service-list li::before {
  content: '▸';
  color: var(--accent-cyan);
}

/* ==========================================================================
   Deterministic Smart QA Assistant Floating Trigger & Widget
   ========================================================================== */
.smart-assistant-trigger {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-assistant);
  background: var(--gradient-accent);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  box-shadow: var(--shadow-lg), var(--shadow-glow-cyan);
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: all var(--transition-normal);
}

.smart-assistant-trigger:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 210, 255, 0.5);
}

.smart-assistant-modal {
  position: fixed;
  bottom: 84px;
  right: var(--space-6);
  width: 400px;
  max-width: calc(100vw - 32px);
  height: 580px;
  max-height: calc(100vh - 120px);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), 0 0 35px rgba(0, 0, 0, 0.7);
  z-index: var(--z-assistant);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.96);
  transition: all var(--transition-normal);
}

.smart-assistant-modal.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.assistant-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.assistant-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.assistant-message {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-xs);
  line-height: 1.5;
  max-width: 88%;
}

.assistant-msg-bot {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: #e2e8f0;
  align-self: flex-start;
  border-bottom-left-radius: 2px;
}

.assistant-msg-user {
  background: var(--accent-blue);
  color: #ffffff;
  align-self: flex-end;
  border-bottom-right-radius: 2px;
}

.assistant-options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.assistant-option-btn {
  background: rgba(0, 210, 255, 0.08);
  border: 1px solid rgba(0, 210, 255, 0.25);
  color: var(--text-primary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.assistant-option-btn:hover {
  background: rgba(0, 210, 255, 0.18);
  border-color: var(--accent-cyan);
  color: #ffffff;
}

/* ==========================================================================
   AI News Brief & Intelligence Radar Styles
   ========================================================================== */
.ai-news-radar-wrapper {
  background: radial-gradient(circle at 50% 0%, rgba(0, 210, 255, 0.08) 0%, rgba(7, 10, 19, 0.95) 70%);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: 0 0 40px rgba(0, 210, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.ai-news-radar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-bottom: var(--space-6);
  margin-bottom: var(--space-8);
  border-bottom: 1px solid var(--border-subtle);
}

.ai-news-date-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(0, 210, 255, 0.12);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.ai-news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

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

.ai-news-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
}

.ai-news-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 210, 255, 0.15);
}

.ai-news-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.ai-news-index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid var(--border-accent);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.ai-news-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.ai-news-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: var(--space-3);
  line-height: 1.35;
}

.ai-news-summary {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  flex: 1;
}

.ai-news-why-box {
  background: rgba(0, 210, 255, 0.05);
  border-left: 3px solid var(--accent-cyan);
  padding: var(--space-3) var(--space-4);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: var(--space-4);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: #cbd5e1;
}

.ai-news-why-box strong {
  color: var(--accent-cyan);
  display: inline;
  font-weight: 700;
}

.ai-news-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.ai-news-source-link {
  color: var(--accent-cyan);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all var(--transition-fast);
}

.ai-news-source-link:hover {
  text-decoration: underline;
  color: #ffffff;
}

.ai-news-bigger-picture {
  background: linear-gradient(135deg, rgba(7, 13, 30, 0.9) 0%, rgba(10, 16, 32, 0.95) 100%);
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: 0 0 25px rgba(0, 210, 255, 0.15);
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
}

@media (max-width: 640px) {
  .ai-news-bigger-picture {
    flex-direction: column;
  }
}

.ai-news-bp-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: rgba(0, 210, 255, 0.12);
  border: 1px solid var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent-cyan);
}

/* ==========================================================================
   Enterprise Footer
   ========================================================================== */
.site-footer {
  background: #04060b;
  border-top: 1px solid var(--border-medium);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #ffffff;
  margin-bottom: var(--space-4);
}

.footer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-nav a {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--text-muted);
}