/* ============================================================
   variants/05-pixel-tech-3/css/theme.css
   CRT Monitor aesthetic: scanline overlays, phosphor glow,
   green monochrome themes, vintage computing feel
   Orbitron headlines, Inter body, Roboto Mono ui
   ============================================================ */

/* ─── Font imports (Google Fonts CDN) ─── */

/* ─── Body & Layout ─── */
body {
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ─── Site Header ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(180deg, var(--color-dark-gray) 0%, var(--color-black) 100%);
  border-bottom: 1px solid var(--color-neon-green);
  padding: var(--space-md) var(--space-xl);
  box-shadow: 0 0 30px rgb(57, 255, 20, 0.15);
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-neon-green), transparent);
  animation: crt-flicker 3s ease-in-out infinite;
}

@keyframes crt-flicker {
  0%,
  100% {
    opacity: 0.5;
    box-shadow: 0 0 10px var(--color-neon-green);
  }

  50% {
    opacity: 1;
    box-shadow:
      0 0 20px var(--color-text-secondary),
      0 0 40px var(--color-text-secondary);
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header::after {
    animation: none;
    opacity: 0.5;
  }
}

/* ─── Navigation ─── */
.nav-primary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-logo img {
  height: 40px;
  width: auto;
  transition: filter var(--transition-base);
}

.nav-logo:hover img {
  filter: drop-shadow(0 0 12px var(--color-text-secondary))
    drop-shadow(0 0 24px var(--color-text-secondary));
}

.nav-menu {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.nav-menu a {
  font-family: var(--font-ui);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-primary);
  padding: var(--space-sm) var(--space-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-text-secondary);
  box-shadow: 0 0 8px var(--color-text-secondary);
  transition: width var(--transition-base);
}

.nav-menu a:hover {
  color: var(--color-text-secondary);
  text-shadow: 0 0 10px var(--color-text-secondary);
}

.nav-menu a:hover::after,
.nav-menu a[aria-current='page']::after {
  width: 100%;
}

.nav-menu a[aria-current='page'] {
  color: var(--color-text-secondary);
  text-shadow: 0 0 10px var(--color-text-secondary);
}

/* ─── Mobile Nav Toggle ─── */
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-text-secondary);
  color: var(--color-text-secondary);
  padding: var(--space-sm);
  cursor: pointer;
  min-width: var(--touch-target);
  min-height: var(--touch-target);
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 10px rgb(57, 255, 20, 0.3);
}

.nav-toggle svg {
  stroke: currentcolor;
}

/* ─── Main Content ─── */
main {
  min-height: calc(100vh - 200px);
  padding: var(--space-2xl) var(--space-xl);
  max-width: 1400px;
  margin: 0 auto;
}

/* ─── Page Headers ─── */
.page-header {
  text-align: center;
  padding: var(--space-3xl) 0;
  border-bottom: 1px solid var(--color-bg-secondary);
  margin-bottom: var(--space-2xl);
  position: relative;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 4px;
  background: var(--color-text-secondary);
  box-shadow:
    0 0 30px var(--color-text-secondary),
    0 0 60px var(--color-text-secondary);
}

.page-header h1 {
  font-family: var(--font-headline);
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-md);
  text-shadow:
    0 0 10px var(--color-text-secondary),
    0 0 20px var(--color-text-secondary),
    0 0 40px rgb(57, 255, 20, 0.5);
}

.page-lead {
  font-family: var(--font-ui);
  color: var(--color-text-primary);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ─── Section Styles ─── */
.content-section {
  padding: var(--space-2xl) 0;
}

.content-section h2 {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-shadow: 0 0 10px rgb(57, 255, 20, 0.5);
}

.content-section h3 {
  font-family: var(--font-ui);
  font-size: 1.125rem;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.content-section p {
  color: var(--color-text-primary);
  line-height: 1.7;
}

.content-section a {
  color: var(--color-text-secondary);
  text-decoration: underline;
  text-decoration-color: var(--color-text-primary);
  text-underline-offset: 3px;
  transition: all var(--transition-fast);
}

.content-section a:hover {
  color: var(--color-text-secondary);
  text-shadow: 0 0 8px var(--color-text-secondary);
  text-decoration-color: var(--color-text-secondary);
}

/* ─── Grid Layouts ─── */
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.features-overview-inner .feature-cards,
.client-cards,
.download-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

/* ─── Hero Section ─── */
.hero {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, rgb(57, 255, 20, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 50%, rgb(26, 16, 48, 0.8) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgb(26, 16, 48, 0.8) 0%, transparent 50%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
}

.hero-eyebrow {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  margin-bottom: var(--space-md);
}

.hero h1 {
  font-family: var(--font-headline);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-lg);
  text-shadow:
    0 0 10px var(--color-text-secondary),
    0 0 30px var(--color-text-secondary),
    0 0 60px rgb(57, 255, 20, 0.4);
  animation: neon-flicker 4s ease-in-out infinite;
}

@keyframes neon-flicker {
  0%,
  100% {
    text-shadow:
      0 0 10px var(--color-text-secondary),
      0 0 30px var(--color-text-secondary),
      0 0 60px rgb(57, 255, 20, 0.4);
  }

  92% {
    text-shadow:
      0 0 10px var(--color-text-secondary),
      0 0 30px var(--color-text-secondary),
      0 0 60px rgb(57, 255, 20, 0.4);
  }

  93% {
    text-shadow:
      0 0 5px var(--color-text-secondary),
      0 0 15px var(--color-text-secondary),
      0 0 30px rgb(57, 255, 20, 0.3);
  }

  94% {
    text-shadow:
      0 0 10px var(--color-text-secondary),
      0 0 30px var(--color-text-secondary),
      0 0 60px rgb(57, 255, 20, 0.4);
  }

  96% {
    text-shadow:
      -2px 0 var(--color-text-primary),
      2px 0 var(--color-text-secondary);
  }

  98% {
    text-shadow:
      2px 0 var(--color-text-primary),
      -2px 0 var(--color-text-secondary);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero h1 {
    animation: none;
    text-shadow:
      0 0 10px var(--color-text-secondary),
      0 0 30px var(--color-text-secondary),
      0 0 60px rgb(57, 255, 20, 0.4);
  }
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--color-text-primary);
  max-width: 700px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* ─── Feature Cards ─── */
.feature-card {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
  border: 1px solid var(--color-text-primary);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--color-text-secondary),
    var(--color-text-primary),
    var(--color-text-secondary)
  );
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  border-color: var(--color-text-secondary);
  box-shadow:
    0 0 30px rgb(57, 255, 20, 0.2),
    inset 0 0 30px rgb(57, 255, 20, 0.05);
}

.feature-card h3 {
  font-family: var(--font-headline);
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.feature-card p {
  font-size: 1rem;
  color: var(--color-text-primary);
  line-height: 1.6;
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
  filter: drop-shadow(0 0 8px var(--color-text-secondary));
}

/* ─── Feature Detail ─── */
.feature-detail {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-xl);
  padding: var(--space-xl);
  border: 1px solid var(--color-text-primary);
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.feature-detail-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-text-secondary);
  padding: var(--space-sm);
  filter: drop-shadow(0 0 10px var(--color-text-secondary));
}

.feature-detail-text h2 {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.feature-detail-text p {
  color: var(--color-text-primary);
  line-height: 1.7;
}

/* ─── Client Cards ─── */
.client-card {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
  border: 1px solid var(--color-text-primary);
  padding: var(--space-xl);
  position: relative;
}

.client-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-text-secondary), var(--color-text-primary));
}

.client-card:hover {
  border-color: var(--color-text-secondary);
  box-shadow: 0 0 20px rgb(57, 255, 20, 0.2);
}

.client-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.client-card h2 {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
}

.client-status {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  padding: 2px 8px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.status-stable {
  background: rgb(57, 255, 20, 0.1);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-text-secondary);
}

.status-beta {
  background: rgb(107, 91, 123, 0.2);
  color: var(--color-text-primary);
  border: 1px solid var(--color-text-primary);
}

.client-tagline {
  font-family: var(--font-ui);
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.client-highlights {
  margin-bottom: var(--space-lg);
}

.client-highlights li {
  font-family: var(--font-ui);
  font-size: 1rem;
  color: var(--color-text-primary);
  padding-left: var(--space-lg);
  position: relative;
  margin-bottom: var(--space-xs);
}

.client-highlights li::before {
  content: '//';
  position: absolute;
  left: 0;
  color: var(--color-text-secondary);
}

/* ─── Download ─── */
.download-block {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-text-secondary);
  padding: var(--space-xl);
  margin: var(--space-lg) 0;
  box-shadow: 0 0 20px rgb(57, 255, 20, 0.1);
}

.download-card {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
  border: 1px solid var(--color-text-primary);
  padding: var(--space-xl);
  text-align: center;
}

.download-card:hover {
  border-color: var(--color-text-secondary);
  box-shadow: 0 0 20px rgb(57, 255, 20, 0.2);
}

.download-card h3 {
  font-family: var(--font-headline);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.download-card p {
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
}

/* ─── Ecosystem ─── */
.ecosystem-list {
  margin-top: var(--space-lg);
}

.ecosystem-list li {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.ecosystem-list a {
  color: var(--color-text-secondary);
  font-family: var(--font-ui);
}

/* ─── FAQ ─── */
.faq-list {
  margin-top: var(--space-xl);
}

.faq-item {
  padding: var(--space-lg);
  border: 1px solid var(--color-text-primary);
  margin-bottom: var(--space-md);
  background: var(--color-bg-secondary);
}

.faq-item:hover {
  border-color: var(--color-text-secondary);
}

.faq-item dt {
  font-family: var(--font-headline);
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
}

.faq-item dd {
  color: var(--color-text-primary);
  line-height: 1.7;
}

/* ─── Code Block ─── */
.code-block {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-text-secondary);
  padding: var(--space-lg);
  margin: var(--space-lg) 0;
  overflow-x: auto;
  font-family: var(--font-code);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  box-shadow: 0 0 10px rgb(57, 255, 20, 0.1);
}

.code-block a {
  color: var(--color-text-primary);
}

/* ─── CTA Banner ─── */
.cta-banner {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  margin-top: var(--space-3xl);
  background: linear-gradient(
    180deg,
    var(--color-bg-primary) 0%,
    var(--color-bg-secondary) 50%,
    var(--color-bg-primary) 100%
  );
  border-top: 1px solid var(--color-text-primary);
  border-bottom: 1px solid var(--color-text-primary);
  position: relative;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-text-secondary), transparent);
  box-shadow: 0 0 20px var(--color-text-secondary);
}

.cta-banner h2 {
  font-family: var(--font-headline);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-shadow: 0 0 20px rgb(57, 255, 20, 0.3);
}

.cta-banner-inner {
  max-width: 600px;
  margin: 0 auto;
}

/* ─── Footer ─── */
.site-footer {
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-text-secondary);
  padding: var(--space-3xl) var(--space-xl) var(--space-xl);
  margin-top: var(--space-3xl);
  box-shadow: 0 0 30px rgb(57, 255, 20, 0.1);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-tagline {
  font-family: var(--font-headline);
  font-size: 1rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-xl);
  text-shadow: 0 0 10px rgb(57, 255, 20, 0.5);
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.footer-col h3 {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-md);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-col a {
  font-family: var(--font-ui);
  font-size: 1rem;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-text-secondary);
  text-shadow: 0 0 10px var(--color-text-secondary);
}

.footer-copy {
  font-family: var(--font-ui);
  font-size: 1rem;
  color: var(--color-text-primary);
  margin-bottom: 0;
}

/* ─── Docs Links ─── */
.docs-links {
  margin-top: var(--space-lg);
}

.docs-links li {
  margin-bottom: var(--space-sm);
}

.docs-links a {
  font-family: var(--font-ui);
  color: var(--color-text-secondary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.docs-links a::before {
  content: '>>';
  color: var(--color-text-primary);
}

/* ─── Hub Section ─── */
.hub-section {
  padding: var(--space-xl);
  border: 1px solid var(--color-text-primary);
  margin-bottom: var(--space-lg);
  background: var(--color-bg-secondary);
}

.hub-section:hover {
  border-color: var(--color-text-secondary);
  box-shadow: 0 0 20px rgb(57, 255, 20, 0.1);
}

/* ─── Responsive ─── */
@media (width <= 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    inset: 0;
    background: rgb(13, 8, 21, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 999;
  }

  .nav-menu.is-open {
    transform: translateX(0);
  }

  .nav-menu a {
    font-size: 1.25rem;
  }

  main {
    padding: var(--space-lg) var(--space-md);
  }

  .hero {
    padding: var(--space-2xl) var(--space-md);
  }

  .hero h1 {
    font-size: 2rem;
  }

  .footer-nav {
    flex-direction: column;
    gap: var(--space-xl);
  }

  .feature-detail {
    grid-template-columns: 1fr;
  }

  .feature-detail-icon {
    width: 48px;
    height: 48px;
  }

  .content-grid,
  .features-overview-inner .feature-cards,
  .client-cards,
  .download-cards {
    grid-template-columns: 1fr;
  }
}

@media (width <= 480px) {
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .hero-cta .btn {
    width: 100%;
  }
}