/* ============================================================
   AINODE.TECH — SENTINEL VERSION
   Premium tactical design system
   AINode brand colors (teal + purple) with refined typography
   Clean elegance with military precision
   ============================================================ */

/* ============================================================
   SENTINEL COLOR PALETTE
   ============================================================ */
body[data-version="sentinel"] {
  /* Base colors */
  --sentinel-bg: #0a0e17;
  --sentinel-bg-alt: #0f1420;
  --sentinel-bg-card: #161c2a;
  --sentinel-text: #f1f5f9;
  --sentinel-text-muted: #94a3b8;
  --sentinel-accent: #14b8a6;
  --sentinel-accent-dark: #0d9488;
  --sentinel-accent-glow: rgba(20, 184, 166, 0.15);
  --sentinel-secondary: #8b5cf6;
  --sentinel-secondary-glow: rgba(139, 92, 246, 0.15);
  --sentinel-border: #1e293b;

  /* Override base colors */
  --black: var(--sentinel-bg);
  --white: var(--sentinel-text);
  --accent: var(--sentinel-accent);
  --accent-dark: var(--sentinel-accent-dark);

  /* Typography */
  --font-tactical: 'Barlow Condensed', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
body[data-version="sentinel"] {
  background: var(--sentinel-bg);
  color: var(--sentinel-text);
}

/* Headlines use Barlow Condensed */
body[data-version="sentinel"] h1,
body[data-version="sentinel"] h2,
body[data-version="sentinel"] h3,
body[data-version="sentinel"] .section-title,
body[data-version="sentinel"] .product-name,
body[data-version="sentinel"] .feature-title,
body[data-version="sentinel"] .hero-title {
  font-family: var(--font-tactical);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Accent text uses Barlow Condensed medium */
body[data-version="sentinel"] .ticker-text,
body[data-version="sentinel"] .nav-link,
body[data-version="sentinel"] .btn,
body[data-version="sentinel"] .card-label {
  font-family: var(--font-tactical);
  font-weight: 500;
  letter-spacing: 0.03em;
}

/* ============================================================
   TICKER
   ============================================================ */
body[data-version="sentinel"] .ticker {
  background: linear-gradient(90deg, var(--sentinel-secondary) 0%, var(--sentinel-accent) 100%);
  color: #ffffff;
  border-bottom: 1px solid var(--sentinel-accent-dark);
}

body[data-version="sentinel"] .ticker-text {
  color: #ffffff;
}

/* ============================================================
   NAVBAR
   ============================================================ */
body[data-version="sentinel"] .navbar {
  background: rgba(18, 18, 18, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--sentinel-border);
}

body[data-version="sentinel"] .nav-logo {
  color: var(--sentinel-text);
  font-family: var(--font-tactical);
  font-weight: 700;
  letter-spacing: 0.05em;
}

body[data-version="sentinel"] .nav-link {
  color: var(--sentinel-text);
  transition: color 0.2s ease;
}

body[data-version="sentinel"] .nav-link:hover {
  color: var(--sentinel-accent);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
body[data-version="sentinel"] .hero {
  background: linear-gradient(180deg, var(--sentinel-bg) 0%, var(--sentinel-bg-alt) 100%);
  padding: var(--spacing-xxl) var(--spacing-md) var(--spacing-xl);
}

body[data-version="sentinel"] .hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

body[data-version="sentinel"] .hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  color: var(--sentinel-text);
}

body[data-version="sentinel"] .hero-title .accent {
  color: var(--sentinel-accent);
  position: relative;
}

body[data-version="sentinel"] .hero-title .accent::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 3px;
  background: var(--sentinel-accent);
  box-shadow: 0 0 12px var(--sentinel-accent-glow);
}

body[data-version="sentinel"] .hero-subtitle {
  color: var(--sentinel-text-muted);
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

body[data-version="sentinel"] .hero-cta {
  background: var(--sentinel-accent);
  color: var(--sentinel-bg);
  padding: 16px 32px;
  font-family: var(--font-tactical);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px var(--sentinel-accent-glow);
}

body[data-version="sentinel"] .hero-cta:hover {
  background: var(--sentinel-accent-dark);
  box-shadow: 0 6px 24px rgba(20, 184, 166, 0.3);
  transform: translateY(-2px);
}

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
body[data-version="sentinel"] .products-grid {
  gap: var(--spacing-xl);
}

body[data-version="sentinel"] .product-card {
  background: var(--sentinel-bg-card);
  border: 1px solid var(--sentinel-border);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.6s ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

body[data-version="sentinel"] .product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4),
              0 0 30px var(--sentinel-accent-glow);
}

body[data-version="sentinel"] .product-image-wrapper {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--sentinel-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
}

body[data-version="sentinel"] .product-image {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform 0.5s ease;
}

body[data-version="sentinel"] .product-card:hover .product-image {
  transform: scale(1.03);
}

body[data-version="sentinel"] .product-label {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--sentinel-accent);
  color: var(--sentinel-bg);
  padding: 6px 12px;
  font-size: 0.75rem;
  font-family: var(--font-tactical);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

body[data-version="sentinel"] .product-content {
  padding: var(--spacing-md);
}

body[data-version="sentinel"] .product-name {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xs);
  color: var(--sentinel-text);
}

body[data-version="sentinel"] .product-desc {
  color: var(--sentinel-text-muted);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

body[data-version="sentinel"] .product-features {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

body[data-version="sentinel"] .product-features li {
  color: var(--sentinel-text-muted);
  padding-left: 20px;
  position: relative;
  margin-bottom: 8px;
}

body[data-version="sentinel"] .product-features li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--sentinel-accent);
  font-weight: bold;
}

body[data-version="sentinel"] .product-verdict {
  padding: var(--spacing-sm);
  background: var(--sentinel-bg-alt);
  border-radius: 8px;
  border-left: 3px solid var(--sentinel-accent);
}

body[data-version="sentinel"] .verdict-text {
  color: var(--sentinel-text);
  font-weight: 500;
}

/* Verdict colors */
body[data-version="sentinel"] .product-verdict.passed {
  border-left-color: #10b981;
  background: rgba(16, 185, 129, 0.05);
}

body[data-version="sentinel"] .product-verdict.passed .verdict-label {
  color: #10b981;
}

body[data-version="sentinel"] .product-verdict.failed {
  border-left-color: #ef4444;
  background: rgba(239, 68, 68, 0.05);
}

body[data-version="sentinel"] .product-verdict.failed .verdict-label {
  color: #ef4444;
}

body[data-version="sentinel"] .product-verdict.warning {
  border-left-color: #f59e0b;
  background: rgba(245, 158, 11, 0.05);
}

body[data-version="sentinel"] .product-verdict.warning .verdict-label {
  color: #f59e0b;
}

/* ============================================================
   FEATURE CARDS
   ============================================================ */
body[data-version="sentinel"] .features-grid {
  gap: var(--spacing-lg);
}

body[data-version="sentinel"] .feature-card {
  background: var(--sentinel-bg-card);
  border: 1px solid var(--sentinel-border);
  border-radius: 12px;
  padding: var(--spacing-lg);
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

body[data-version="sentinel"] .feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  border-color: var(--sentinel-accent);
}

body[data-version="sentinel"] .feature-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-sm);
  background: var(--sentinel-accent-glow);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

body[data-version="sentinel"] .feature-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--sentinel-text);
}

body[data-version="sentinel"] .feature-desc {
  color: var(--sentinel-text-muted);
  line-height: 1.6;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
body[data-version="sentinel"] .about {
  background: var(--sentinel-bg-alt);
}

body[data-version="sentinel"] .section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--spacing-lg);
  color: var(--sentinel-text);
}

body[data-version="sentinel"] .about-content {
  color: var(--sentinel-text-muted);
  line-height: 1.8;
  font-size: 1.125rem;
}

body[data-version="sentinel"] .about-content strong {
  color: var(--sentinel-accent);
  font-weight: 600;
}

/* ============================================================
   CONTACT CARDS
   ============================================================ */
body[data-version="sentinel"] .contact-grid {
  gap: var(--spacing-lg);
}

body[data-version="sentinel"] .contact-card {
  background: var(--sentinel-bg-card);
  border: 1px solid var(--sentinel-border);
  border-radius: 12px;
  padding: var(--spacing-lg);
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

body[data-version="sentinel"] .contact-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  border-color: var(--sentinel-accent);
}

body[data-version="sentinel"] .contact-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-sm);
  background: var(--sentinel-accent-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
}

body[data-version="sentinel"] .contact-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--sentinel-text);
  font-family: var(--font-tactical);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

body[data-version="sentinel"] .contact-link {
  color: var(--sentinel-accent);
  font-weight: 500;
  transition: color 0.2s ease;
}

body[data-version="sentinel"] .contact-link:hover {
  color: var(--sentinel-accent-dark);
  text-decoration: underline;
}

/* ============================================================
   FOOTER
   ============================================================ */
body[data-version="sentinel"] .footer {
  background: var(--sentinel-bg);
  border-top: 1px solid var(--sentinel-border);
}

body[data-version="sentinel"] .footer-content {
  color: var(--sentinel-text-muted);
}

body[data-version="sentinel"] .footer a {
  color: var(--sentinel-accent);
  transition: color 0.2s ease;
}

body[data-version="sentinel"] .footer a:hover {
  color: var(--sentinel-accent-dark);
}

/* ============================================================
   DEBUG PANEL
   ============================================================ */
body[data-version="sentinel"] #debugPanel {
  background: var(--sentinel-bg-card);
  border: 1px solid var(--sentinel-border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}

body[data-version="sentinel"] #debugToggle {
  background: var(--sentinel-accent);
  color: var(--sentinel-bg);
  border: 1px solid var(--sentinel-accent-dark);
}

body[data-version="sentinel"] #debugToggle:hover {
  background: var(--sentinel-accent-dark);
}

body[data-version="sentinel"] .debug-title {
  color: var(--sentinel-accent);
  font-family: var(--font-tactical);
  font-weight: 600;
  letter-spacing: 0.05em;
}

body[data-version="sentinel"] .debug-btn,
body[data-version="sentinel"] .debug-mode-btn,
body[data-version="sentinel"] .debug-version-btn {
  color: var(--sentinel-text);
  border-color: var(--sentinel-border);
}

body[data-version="sentinel"] .debug-btn:hover,
body[data-version="sentinel"] .debug-mode-btn:hover,
body[data-version="sentinel"] .debug-version-btn:hover {
  border-color: var(--sentinel-accent);
  background: var(--sentinel-accent-glow);
}

body[data-version="sentinel"] .debug-btn.active,
body[data-version="sentinel"] .debug-mode-btn.active,
body[data-version="sentinel"] .debug-version-btn.active {
  border-color: var(--sentinel-accent);
  background: var(--sentinel-accent-glow);
  color: var(--sentinel-accent);
}

body[data-version="sentinel"] .debug-info {
  color: var(--sentinel-text-muted);
}

/* ============================================================
   LIGHT MODE OVERRIDES
   ============================================================ */
body[data-version="sentinel"][data-theme="light"] {
  --sentinel-bg: #f8fafc;
  --sentinel-bg-alt: #ffffff;
  --sentinel-bg-card: #ffffff;
  --sentinel-text: #0f172a;
  --sentinel-text-muted: #64748b;
  --sentinel-accent: #0d9488;
  --sentinel-accent-dark: #0f766e;
  --sentinel-accent-glow: rgba(13, 148, 136, 0.15);
  --sentinel-secondary: #7c3aed;
  --sentinel-secondary-glow: rgba(124, 58, 237, 0.15);
  --sentinel-border: #e2e8f0;
}

body[data-version="sentinel"][data-theme="light"] .ticker {
  background: linear-gradient(90deg, var(--sentinel-secondary) 0%, var(--sentinel-accent) 100%);
  color: #ffffff;
}

body[data-version="sentinel"][data-theme="light"] .navbar {
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--sentinel-border);
}

body[data-version="sentinel"][data-theme="light"] .product-card,
body[data-version="sentinel"][data-theme="light"] .feature-card,
body[data-version="sentinel"][data-theme="light"] .contact-card {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

body[data-version="sentinel"][data-theme="light"] .product-card:hover,
body[data-version="sentinel"][data-theme="light"] .feature-card:hover,
body[data-version="sentinel"][data-theme="light"] .contact-card:hover {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
}

/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
body[data-version="sentinel"] .product-card,
body[data-version="sentinel"] .feature-card,
body[data-version="sentinel"] .section-title,
body[data-version="sentinel"] .contact-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

body[data-version="sentinel"] .sentinel-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   PREMIUM HOVER STATES
   ============================================================ */

/* Button hover glow */
body[data-version="sentinel"] .hero-cta,
body[data-version="sentinel"] .btn {
  transition: all 0.3s ease;
}

body[data-version="sentinel"] .hero-cta:hover,
body[data-version="sentinel"] .btn:hover {
  box-shadow: 0 0 20px var(--sentinel-accent-glow);
}

/* Nav link amber underline */
body[data-version="sentinel"] .nav-link {
  position: relative;
}

body[data-version="sentinel"] .nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--sentinel-accent);
  transition: width 0.3s ease;
}

body[data-version="sentinel"] .nav-link:hover::after {
  width: 100%;
}

/* ============================================================
   AMBIENT ANIMATIONS
   ============================================================ */

/* Ticker glow pulse */
body[data-version="sentinel"] .ticker {
  animation: sentinel-ticker-pulse 4s ease-in-out infinite;
}

@keyframes sentinel-ticker-pulse {
  0%, 100% {
    box-shadow: 0 2px 10px rgba(20, 184, 166, 0.1);
  }
  50% {
    box-shadow: 0 2px 20px rgba(20, 184, 166, 0.2);
  }
}

/* Logo subtle shimmer */
body[data-version="sentinel"] .nav-logo {
  background: linear-gradient(
    90deg,
    var(--sentinel-accent) 0%,
    var(--sentinel-secondary) 50%,
    var(--sentinel-accent) 100%
  );
  background-size: 200% auto;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: sentinel-shimmer 3s linear infinite;
}

@keyframes sentinel-shimmer {
  to {
    background-position: 200% center;
  }
}

/* Audit badge pulse on hover */
body[data-version="sentinel"] .product-label {
  transition: all 0.3s ease;
}

body[data-version="sentinel"] .product-label:hover {
  animation: sentinel-badge-pulse 0.5s ease;
}

@keyframes sentinel-badge-pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* ============================================================
   REDUCED MOTION SUPPORT
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  body[data-version="sentinel"] .product-card,
  body[data-version="sentinel"] .feature-card,
  body[data-version="sentinel"] .section-title,
  body[data-version="sentinel"] .contact-card {
    opacity: 1;
    transform: none;
    transition: none;
  }

  body[data-version="sentinel"] .ticker,
  body[data-version="sentinel"] .nav-logo {
    animation: none;
  }

  body[data-version="sentinel"] .product-card:hover {
    transform: none;
  }

  body[data-version="sentinel"] .product-card:hover .product-image {
    transform: none !important;
  }

  body[data-version="sentinel"] .product-label:hover {
    animation: none;
  }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  body[data-version="sentinel"] .hero-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  body[data-version="sentinel"] .hero-title {
    font-size: 2rem;
  }

  body[data-version="sentinel"] .products-grid,
  body[data-version="sentinel"] .features-grid,
  body[data-version="sentinel"] .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   SHOP PAGE OVERRIDES
   ============================================================ */
body[data-version="sentinel"] .shop-product-card {
  background: var(--sentinel-bg-card);
  border: 1px solid var(--sentinel-border);
  border-radius: 12px;
}

body[data-version="sentinel"] .shop-product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4),
              0 0 20px var(--sentinel-accent-glow);
}

body[data-version="sentinel"] .shop-product-card__image-wrap {
  background: var(--sentinel-bg-alt);
  border-radius: 12px 12px 0 0;
}

body[data-version="sentinel"] .shop-product-card__image-wrap img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

body[data-version="sentinel"] .shop-product-card__price {
  color: var(--sentinel-accent);
}

body[data-version="sentinel"] .shop-modal {
  background: var(--sentinel-bg-card);
  border: 1px solid var(--sentinel-border);
  border-radius: 12px;
}

body[data-version="sentinel"] .shop-modal__image {
  max-width: 100%;
  max-height: 400px;
  width: auto;
  height: auto;
  object-fit: contain;
  margin: 0 auto;
  display: block;
  background: var(--sentinel-bg-alt);
}

body[data-version="sentinel"] .shop-modal__price {
  color: var(--sentinel-accent);
}