:root {
  color-scheme: dark;
  --color-background: #03060d;
  --color-background-alt: #060b18;
  --color-scanline: rgba(56, 249, 215, 0.06);
  --color-text: #e8fff9;
  --color-subtext: #71d5ff;
  --color-accent: #38f9d7;
  --color-accent-soft: rgba(56, 249, 215, 0.25);
  --color-highlight: #8c5bfa;
  --radius-base: 10px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 14px;
  --space-4: 20px;
  --space-5: 28px;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'JetBrains Mono', 'Fira Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  background: radial-gradient(circle at 20% 20%, rgba(56, 249, 215, 0.12), transparent 35%),
    radial-gradient(circle at 80% 0%, rgba(140, 91, 250, 0.18), transparent 45%),
    linear-gradient(180deg, #020409 0%, #02050c 55%, #01030a 100%);
  color: var(--color-text);
  line-height: 1.65;
  position: relative;
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 100% 3px;
  opacity: 0.4;
  mix-blend-mode: screen;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(56, 249, 215, 0.08), transparent 70%);
  mix-blend-mode: lighten;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

a:hover,
a:focus-visible {
  text-shadow: 0 0 12px rgba(56, 249, 215, 0.45);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: var(--space-2);
  background: var(--color-background);
  border: 1px solid var(--color-accent);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-base);
  z-index: 1000;
}

.skip-link:focus {
  left: var(--space-2);
}

.site-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid rgba(56, 249, 215, 0.2);
  border-top: 1px solid rgba(140, 91, 250, 0.18);
  background: linear-gradient(180deg, rgba(8, 16, 33, 0.85) 0%, rgba(5, 10, 22, 0.82) 100%);
  position: sticky;
  top: 0;
  backdrop-filter: blur(18px);
  box-shadow: 0 20px 60px rgba(3, 6, 13, 0.7);
  z-index: 20;
}

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

.logo-wordmark__brand {
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
  text-shadow: 0 0 12px rgba(56, 249, 215, 0.35);
}

.site-nav__list {
  display: flex;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__list a {
  position: relative;
  padding: 6px 12px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.65rem;
  color: var(--color-subtext);
  transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.site-nav__list a[target="_blank"]::after {
  content: ' ↗';
  font-size: 0.65em;
  letter-spacing: normal;
}

.site-nav__list a::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, rgba(56, 249, 215, 0.55), rgba(140, 91, 250, 0.45)) border-box;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: -1;
}

.site-nav__list a:hover,
.site-nav__list a:focus-visible {
  color: var(--color-text);
  background: rgba(56, 249, 215, 0.12);
  box-shadow: 0 0 18px rgba(56, 249, 215, 0.28);
}

.site-nav__list a:hover::after,
.site-nav__list a:focus-visible::after {
  opacity: 0.8;
}

.main {
  padding: var(--space-5) var(--space-5) var(--space-5);
  position: relative;
  z-index: 1;
}

.site-footer {
  border-top: 1px solid rgba(56, 249, 215, 0.14);
  padding: var(--space-5);
  background: linear-gradient(180deg, rgba(5, 10, 22, 0.92) 0%, rgba(3, 6, 13, 0.98) 100%);
  box-shadow: 0 -20px 60px rgba(3, 6, 13, 0.65);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero {
  display: grid;
  gap: var(--space-3);
  max-width: 980px;
  margin-bottom: var(--space-5);
  padding: var(--space-4);
  border-radius: var(--radius-base);
  background: linear-gradient(135deg, rgba(7, 15, 31, 0.72), rgba(4, 12, 22, 0.82));
  border: 1px solid rgba(56, 249, 215, 0.16);
  box-shadow: inset 0 0 40px rgba(56, 249, 215, 0.08), 0 30px 60px rgba(1, 5, 12, 0.65);
}

.hero h1 {
  font-size: clamp(2.6rem, 5vw, 3.4rem);
  margin: 0;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-shadow: 0 0 20px rgba(56, 249, 215, 0.4);
}

.hero p {
  margin: 0;
  color: var(--color-subtext);
  max-width: 760px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border-radius: var(--radius-base);
  border: 1px solid rgba(56, 249, 215, 0.5);
  color: var(--color-text);
  background: rgba(56, 249, 215, 0.08);
  box-shadow: 0 0 18px rgba(56, 249, 215, 0.18);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  background: rgba(56, 249, 215, 0.16);
  box-shadow: 0 0 24px rgba(56, 249, 215, 0.35);
}

.sections-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  padding: var(--space-4);
  border-radius: var(--radius-base);
  background: linear-gradient(145deg, rgba(10, 18, 38, 0.75), rgba(5, 12, 24, 0.85));
  border: 1px solid rgba(56, 249, 215, 0.14);
  box-shadow: inset 0 0 28px rgba(56, 249, 215, 0.06), 0 22px 40px rgba(1, 6, 14, 0.55);
  position: relative;
  overflow: hidden;
}

.card h2 {
  margin-top: 0;
  font-size: 1.18rem;
  letter-spacing: 0.06em;
}

.card p {
  color: rgba(232, 255, 249, 0.76);
}

.card::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  background: linear-gradient(135deg, rgba(56, 249, 215, 0.15), rgba(140, 91, 250, 0.12));
  transition: opacity 0.2s ease;
}

.card:hover::after,
.card:focus-within::after {
  opacity: 1;
}

.graph-container {
  position: relative;
  border-radius: var(--radius-base);
  border: 1px solid rgba(56, 249, 215, 0.12);
  background: linear-gradient(160deg, rgba(7, 14, 30, 0.8), rgba(4, 10, 21, 0.9));
  padding: var(--space-4);
  margin-top: var(--space-5);
  box-shadow: inset 0 0 45px rgba(56, 249, 215, 0.05), 0 30px 60px rgba(1, 6, 14, 0.65);
  overflow: hidden;
  z-index: 1;
}

.graph-noise {
  position: absolute;
  inset: -40px;
  background: repeating-linear-gradient(
      0deg,
      rgba(56, 249, 215, 0.03) 0px,
      rgba(56, 249, 215, 0.03) 2px,
      transparent 2px,
      transparent 4px
    ),
    repeating-linear-gradient(
      90deg,
      rgba(140, 91, 250, 0.04) 0px,
      rgba(140, 91, 250, 0.04) 3px,
      transparent 3px,
      transparent 6px
    );
  mix-blend-mode: screen;
  animation: graph-noise-shift 8s ease-in-out infinite;
  opacity: 0.55;
  z-index: 0;
}

.graph-controls,
.graph-fallback,
svg.graph-svg {
  position: relative;
  z-index: 2;
}

@keyframes graph-noise-shift {
  0% {
    transform: translate3d(0, 0, 0) skewX(0deg);
    opacity: 0.5;
  }
  30% {
    transform: translate3d(-20px, -10px, 0) skewX(-2deg);
    opacity: 0.65;
  }
  50% {
    transform: translate3d(12px, 6px, 0) skewX(3deg);
    opacity: 0.4;
  }
  80% {
    transform: translate3d(-8px, 14px, 0) skewX(-1deg);
    opacity: 0.6;
  }
  100% {
    transform: translate3d(0, 0, 0) skewX(0deg);
    opacity: 0.5;
  }
}

.graph-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  margin-bottom: var(--space-4);
}

.graph-filter {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1 1 320px;
}

.graph-filter label {
  font-weight: 500;
}

.graph-filter input {
  flex: 1;
  padding: var(--space-2);
  border-radius: var(--radius-base);
  border: 1px solid rgba(56, 249, 215, 0.3);
  background: rgba(7, 14, 30, 0.85);
  color: var(--color-text);
  box-shadow: inset 0 0 12px rgba(56, 249, 215, 0.08);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.legend button {
  border: 1px solid rgba(56, 249, 215, 0.2);
  background: rgba(7, 14, 30, 0.7);
  color: var(--color-subtext);
  border-radius: 999px;
  padding: var(--space-1) var(--space-3);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 0.6rem;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.legend button[aria-pressed="true"] {
  border-color: rgba(56, 249, 215, 0.5);
  background: rgba(56, 249, 215, 0.18);
  box-shadow: 0 0 18px rgba(56, 249, 215, 0.25);
}

.fallback-groups {
  margin-top: var(--space-4);
  display: grid;
  gap: var(--space-4);
}

.fallback-group h3 {
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: rgba(113, 213, 255, 0.7);
}

.fallback-group ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.tag-list {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-2);
}

.tag {
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(56, 249, 215, 0.14);
  color: var(--color-accent);
  font-size: 0.75rem;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(113, 213, 255, 0.82);
  background: rgba(7, 14, 30, 0.9);
  border: 1px solid rgba(113, 213, 255, 0.35);
  border-radius: 999px;
  padding: 6px 12px;
  box-shadow: 0 0 16px rgba(113, 213, 255, 0.25);
  width: fit-content;
}

.hero__cta {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hero__status {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(113, 213, 255, 0.6);
}

.sections-grid--neo {
  position: relative;
}

.sections-grid--neo::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: linear-gradient(135deg, rgba(56, 249, 215, 0.08), rgba(140, 91, 250, 0.05));
  border-radius: 28px;
  filter: blur(40px);
  opacity: 0.8;
  z-index: -1;
}

.card--scanner {
  border-image: linear-gradient(135deg, rgba(56, 249, 215, 0.4), rgba(140, 91, 250, 0.3)) 1;
  position: relative;
}

.card--scanner::before {
  content: '';
  position: absolute;
  inset: 12px;
  border-radius: var(--radius-base);
  border: 1px dashed rgba(113, 213, 255, 0.26);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.card--scanner:hover::before,
.card--scanner:focus-within::before {
  opacity: 0.9;
}

.card--scanner a {
  color: rgba(56, 249, 215, 0.86);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.graph-glyphs {
  position: absolute;
  inset: -40px;
  pointer-events: none;
  mix-blend-mode: screen;
  z-index: 0;
  overflow: hidden;
}

.graph-glyphs__cluster {
  position: absolute;
  transform: translate(-50%, -50%) scale(var(--glyph-scale, 1));
  font-family: 'JetBrains Mono', 'Fira Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.85rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(113, 213, 255, 0.4);
  text-shadow: 0 0 18px rgba(56, 249, 215, 0.55), 0 0 12px rgba(3, 6, 13, 0.85);
  opacity: 0.85;
  filter: blur(0.2px);
  animation: glyph-flicker var(--glyph-flicker, 5s) ease-in-out infinite,
    glyph-hue var(--glyph-hue, 9s) linear infinite;
}

@keyframes glyph-flicker {
  0%,
  100% {
    opacity: 0.4;
    letter-spacing: 0.18em;
  }
  35% {
    opacity: 1;
    letter-spacing: 0.32em;
  }
  60% {
    opacity: 0.55;
    letter-spacing: 0.26em;
  }
}

@keyframes glyph-hue {
  0% {
    filter: blur(0.2px) hue-rotate(0deg);
  }
  50% {
    filter: blur(0.35px) hue-rotate(25deg);
  }
  100% {
    filter: blur(0.2px) hue-rotate(-25deg);
  }
}

.global-glitch {
  position: fixed;
  inset: 0;
  pointer-events: none;
  mix-blend-mode: screen;
  background: radial-gradient(circle at 50% 50%, rgba(56, 249, 215, 0.08), transparent 60%),
    repeating-linear-gradient(0deg, rgba(140, 91, 250, 0.08) 0px, rgba(140, 91, 250, 0.08) 2px, transparent 2px, transparent 6px);
  opacity: 0;
  transform: scale(1.02);
  z-index: 30;
  animation: global-glitch-cycle 10s infinite;
}

.global-glitch::before,
.global-glitch::after {
  content: '';
  position: absolute;
  inset: -10%;
  background: inherit;
  mix-blend-mode: screen;
  filter: blur(6px);
  opacity: 0;
  animation: global-glitch-static 10s infinite;
}

.global-glitch::after {
  filter: blur(3px) hue-rotate(35deg);
  animation-duration: 10s;
  animation-delay: 0.15s;
}

.glitch-obscure {
  filter: url('#glitch-filter');
}

@keyframes global-glitch-cycle {
  0%,
  72% {
    opacity: 0;
    transform: scale(1.02);
  }
  74% {
    opacity: 0.9;
    transform: scale(1.04);
  }
  75% {
    opacity: 0.2;
    transform: scale(1.01);
  }
  76% {
    opacity: 1;
    transform: scale(1.05) skewX(2deg);
  }
  77% {
    opacity: 0.3;
    transform: scale(1.02) skewX(-2deg);
  }
  78% {
    opacity: 0.85;
    transform: scale(1.04);
  }
  79%,
  100% {
    opacity: 0;
    transform: scale(1.02);
  }
}

@keyframes global-glitch-static {
  0%,
  72% {
    opacity: 0;
  }
  74% {
    opacity: 0.75;
  }
  76% {
    opacity: 0.1;
  }
  78% {
    opacity: 0.65;
  }
  79%,
  100% {
    opacity: 0;
  }
}

.hero--cta {
  margin: var(--space-5) auto var(--space-5);
  max-width: 760px;
  padding: var(--space-5);
  border-radius: var(--radius-base);
  background: linear-gradient(145deg, rgba(7, 14, 30, 0.82), rgba(3, 6, 13, 0.88));
  border: 1px solid rgba(56, 249, 215, 0.18);
  box-shadow: inset 0 0 28px rgba(56, 249, 215, 0.05), 0 18px 36px rgba(1, 5, 12, 0.55);
  display: grid;
  gap: var(--space-3);
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero--cta h2 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 2.4rem);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  text-shadow: 0 0 16px rgba(56, 249, 215, 0.4);
}

.hero--cta p {
  margin: 0;
  color: rgba(232, 255, 249, 0.78);
}

.hero--cta .btn-primary {
  width: fit-content;
  margin: 0 auto;
  letter-spacing: 0.18em;
}

@media (max-width: 768px) {
  .site-header {
    position: static;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav__list {
    flex-wrap: wrap;
  }

  .main {
    padding: var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.global-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  opacity: 0.26;
  mix-blend-mode: screen;
  background-image: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" width="120" height="120" viewBox="0 0 120 120"%3E%3Cfilter id="n" x="0" y="0" width="100%25" height="100%25"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.8" numOctaves="4" stitchTiles="stitch"/%3E%3CfeColorMatrix type="matrix" values="0 0 0 0 0.05  0 0 0 0 0.85  0 0 0 0 0.7  0 0 0 0.5 0"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23n)"/%3E%3C/svg%3E');
  background-size: 140px 140px;
  animation: global-noise-shift 6s steps(10, end) infinite;
}

@keyframes global-noise-shift {
  0% {
    transform: translate3d(0, 0, 0) scale(1.01);
    opacity: 0.26;
  }
  25% {
    transform: translate3d(-12px, 6px, 0) scale(1.03);
    opacity: 0.33;
  }
  50% {
    transform: translate3d(10px, -8px, 0) scale(1.02);
    opacity: 0.3;
  }
  75% {
    transform: translate3d(-6px, 4px, 0) scale(1.025);
    opacity: 0.34;
  }
  100% {
    transform: translate3d(0, 0, 0) scale(1.01);
    opacity: 0.26;
  }
}