body {
  position: relative;
  isolation: isolate;
  overflow-x: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    #0a0a0a;
  background-size: 48px 48px, 48px 48px, auto;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.035) 0, rgba(255, 255, 255, 0.035) 1px, transparent 1px, transparent 4px),
    radial-gradient(circle at 78% 12%, rgba(230, 25, 25, 0.16), transparent 28%),
    radial-gradient(circle at 12% 88%, rgba(255, 255, 255, 0.08), transparent 34%);
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: screen;
  opacity: 0.68;
}

html::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 50;
  background-image: url("/noise.svg");
  opacity: 0.18;
  mix-blend-mode: overlay;
  filter: contrast(140%) brightness(90%);
}

@keyframes auroraShift {

  0%,
  100% {
    transform: translate(0%, 0%) rotate(0deg);
  }

  25% {
    transform: translate(5%, -3%) rotate(2deg);
  }

  50% {
    transform: translate(-3%, 5%) rotate(-1deg);
  }

  75% {
    transform: translate(-5%, -2%) rotate(1deg);
  }
}

/* Secondary subtle moving highlight */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(230, 25, 25, 0.34) 0 2px, transparent 2px 100%),
    linear-gradient(rgba(255, 255, 255, 0.045) 0 1px, transparent 1px 100%);
  background-size: 100% 100%, 100% 120px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.18;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 10000;
  transform: translateY(-140%);
  background: #eaeaea;
  color: #0a0a0a;
  padding: 0.75rem 1rem;
  font: 700 0.75rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid #e61919;
  outline-offset: 2px;
}

.industrial-shell {
  position: relative;
  z-index: 1;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

.industrial-container {
  width: min(100% - 2rem, 1440px);
  margin-inline: auto;
}

.industrial-border {
  border: 1px solid rgba(234, 234, 234, 0.2);
  background: rgba(10, 10, 10, 0.72);
}

.industrial-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1px;
  background: rgba(234, 234, 234, 0.18);
  grid-auto-flow: dense;
}

.industrial-grid > * {
  background: rgba(10, 10, 10, 0.92);
}

.macro-heading {
  font-family: 'NebulaSans-BoldItalic', 'NebulaSans-Book', 'Arial Narrow', Arial, sans-serif;
  font-size: clamp(3.25rem, 8.2vw, 8.8rem);
  line-height: 0.88;
  letter-spacing: 0;
  text-transform: uppercase;
  text-wrap: balance;
}

.micro-label {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  line-height: 1.25;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid #e61919;
  background: #e61919;
  color: #ffffff;
  padding: 0.8rem 1.1rem;
  font: 800 0.78rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.signal-button:hover,
.signal-button:focus-visible {
  background: #ff2a2a;
  border-color: #ff2a2a;
  transform: translateY(-2px);
}

.signal-button:active {
  transform: translateY(1px) scale(0.99);
}

.ghost-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(234, 234, 234, 0.38);
  color: #eaeaea;
  padding: 0.8rem 1.1rem;
  font: 800 0.78rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform 180ms ease, border-color 180ms ease, color 180ms ease;
}

.ghost-button:hover,
.ghost-button:focus-visible {
  border-color: #eaeaea;
  color: #ffffff;
  transform: translateY(-2px);
}

.focus-industrial:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid #e61919;
  outline-offset: 3px;
}

.inline-feed-image {
  display: inline-block;
  width: clamp(4.8rem, 10vw, 9rem);
  height: clamp(2.2rem, 4vw, 3.4rem);
  margin-inline: 0.18em;
  vertical-align: middle;
  background-image: url("https://picsum.photos/seed/ai-news-terminal/480/220");
  background-size: cover;
  background-position: center;
  filter: grayscale(1) contrast(1.35);
  border: 1px solid rgba(234, 234, 234, 0.42);
}

.ticker-track {
  animation: ticker-move 32s linear infinite;
  width: max-content;
}

@keyframes ticker-move {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px) scale(0.98);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

.scroll-words span {
  opacity: 0.26;
  transition: opacity 300ms ease, color 300ms ease;
}

.scroll-words.is-visible span {
  opacity: 1;
}

.stack-card {
  position: sticky;
  top: 7rem;
}

.article-card-hoverable {
  border-radius: 0 !important;
}

.hide-scrollbar {
  scrollbar-width: none;
}

.hide-scrollbar::-webkit-scrollbar {
  display: none;
}

@keyframes subtleGlow {
  0% {
    opacity: 0.6;
    transform: scale(1);
  }

  100% {
    opacity: 1;
    transform: scale(1.05);
  }
}

.animated-gradient {
  background: linear-gradient(120deg,
      rgba(64, 61, 82, 0.85) 0%,
      /* highlight-med */
      rgba(82, 79, 103, 0.65) 50%,
      /* highlight-high */
      rgba(49, 116, 143, 0.45) 100%
      /* pine */
    );
  background-size: 200% 200%;
  animation: gradientMove 32s ease-in-out infinite;
}

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

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

.article-fade-in {
  animation: fadeInUp 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(28px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Utility: content-visibility for large lists */
.cv-auto {
  /* Note: content-visibility: auto implies paint containment and clips child box-shadows.
     Remove paint containment to avoid hover glow clipping. */
  /* content-visibility: auto; */
  /* Reserve space to prevent layout jumps before paint */
  contain-intrinsic-size: 1200px;
  overflow: visible;
}

.article-fade-in-enter {
  opacity: 0;
  transform: translateY(28px) scale(0.98);
}

.article-fade-in-enter-active {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition: opacity 0.7s cubic-bezier(0.4, 0.2, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
}

.article-fade-in-exit {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.article-fade-in-exit-active {
  opacity: 0;
  transform: translateY(28px) scale(0.98);
  transition: opacity 0.4s, transform 0.4s;
}

/* Subtle card hover scale animation */
.article-card-hoverable {
  transition: transform 0.19s cubic-bezier(0.4, 0.2, 0.2, 1),
    box-shadow 0.19s cubic-bezier(0.4, 0.2, 0.2, 1),
    border-color 0.19s cubic-bezier(0.4, 0.2, 0.2, 1);
  /* Only enable will-change on hover to reduce GPU memory usage */
}

.article-card-hoverable:hover {
  will-change: transform, box-shadow;
}

.article-card-hoverable:hover,
.article-card-hoverable:focus-visible {
  transform: scale(1.018) translateY(-2px);
  box-shadow:
    0 12px 40px 0 rgba(0, 0, 0, 0.3),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.18);
  z-index: 2;
}

/* Respect reduced motion preferences to lower main-thread work */
@media (prefers-reduced-motion: reduce) {

  body::before,
  body::after {
    animation: none !important;
    transform: none !important;
  }

  .animated-gradient {
    animation: none !important;
    background-position: 50% 50% !important;
  }

  .article-fade-in,
  .article-fade-in-enter-active,
  .article-fade-in-exit,
  .article-fade-in-exit-active,
  .shimmer-text {
    animation: none !important;
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
    background-size: 100% !important;
    background-position: 0% 0% !important;
  }

  .article-card-hoverable,
  .glassmorphic-article-card {
    transition: none !important;
  }
}

/* Premium Shimmer Text Effect */
.shimmer-text {
  background: linear-gradient(90deg,
      rgba(255, 255, 255, 0.8) 0%,
      rgba(255, 255, 255, 1) 40%,
      rgba(255, 255, 255, 0.6) 55%,
      rgba(255, 255, 255, 1) 70%,
      rgba(255, 255, 255, 0.8) 100%);
  background-size: 200% auto;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  animation: shimmer 8s linear infinite;
}

@keyframes shimmer {
  0% {
    background-position: -200% center;
  }

  100% {
    background-position: 200% center;
  }
}