:root {
  --bg: #0A0E17;
  --surface: #121927;
  --elevation: #1A2233;
  --primary: #39FF14;
  --secondary: #00FFFF;
  --tertiary: #FFD700;
  --text: #E8EDF5;
  --text-secondary: #A0AAB8;
  --border: #243044;
  --gradient: linear-gradient(135deg, #39FF14, #00FFFF);
  --sans: "Inter", "Helvetica Neue", Arial, sans-serif;
  --display: "Impact", "Arial Black", sans-serif;
  --mono: "JetBrains Mono", "Courier New", monospace;
  --content: 1180px;
  --radius: 14px;
  --gap: 24px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --progress: 0%;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
}

body,
h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
dd,
figure,
blockquote {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--secondary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

a:hover {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

h1,
h2,
h3,
h4 {
  font-family: var(--display);
  font-style: italic;
  font-weight: 900;
  color: var(--text);
  line-height: 0.95;
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(2.6rem, 5vw, 4.5rem);
}

h2 {
  font-size: clamp(2rem, 3.6vw, 3.4rem);
}

h3 {
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
}

p {
  margin-bottom: 1.25rem;
}

:focus-visible {
  outline: 2px solid var(--secondary);
  outline-offset: 3px;
}

::selection {
  background: var(--primary);
  color: #0A0E17;
}

[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 3000;
  width: var(--progress);
  height: 3px;
  background: var(--gradient);
  box-shadow: 0 0 14px rgba(57, 255, 20, 0.55);
  pointer-events: none;
}

.masthead {
  position: relative;
  z-index: 1500;
  background: linear-gradient(180deg, rgba(57, 255, 20, 0.05), transparent 80%), rgba(10, 14, 23, 0.94);
  border-bottom: 1px solid var(--border);
}

.masthead::after {
  content: "";
  display: block;
  height: 2px;
  background: var(--gradient);
  opacity: 0.55;
}

.masthead__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(100% - 32px, var(--content));
  margin: 0 auto;
  padding: 28px 0 0;
}

.masthead__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}

.masthead__brand a {
  border-bottom: 0;
}

.brand-name {
  display: inline-block;
  font-family: var(--display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text);
}

@supports (-webkit-background-clip: text) or (background-clip: text) {
  .brand-name {
    background-image: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
  }
}

.brand-name:hover {
  filter: drop-shadow(0 0 14px rgba(57, 255, 20, 0.35));
}

.brand-tagline {
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.masthead__nav {
  width: 100%;
  margin-top: 24px;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0 32px;
}

.nav-list a {
  display: block;
  padding: 10px 4px 14px;
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
}

.nav-list a:hover {
  color: var(--text);
  border-bottom-color: var(--secondary);
}

.nav-list a[aria-current="page"] {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.nav-toggle:hover {
  border-color: var(--secondary);
  background: var(--elevation);
}

.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle__bar + .nav-toggle__bar {
  margin-top: 5px;
}

.site-footer {
  position: relative;
  margin-top: 8rem;
  background: #060A11;
  border-top: 1px solid var(--border);
}

.site-footer::before {
  content: "";
  display: block;
  height: 3px;
  background: var(--gradient);
  opacity: 0.7;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px 40px;
  width: min(100% - 48px, var(--content));
  margin: 0 auto;
  padding: 72px 0 40px;
}

.brand-name--footer {
  font-size: 2.4rem;
  background-image: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  -webkit-text-fill-color: currentColor;
  color: var(--primary);
}

.footer__tagline {
  margin-top: 8px;
  font-family: var(--display);
  font-style: italic;
  font-weight: 900;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--secondary);
}

.footer__trust {
  max-width: 38ch;
  margin-top: 18px;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.footer__heading {
  margin-bottom: 14px;
  padding-bottom: 8px;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  border-bottom: 1px solid var(--border);
}

.footer__nav-list a,
.footer__legal-list a {
  display: inline-block;
  padding: 4px 0;
  color: var(--text-secondary);
}

.footer__nav-list a:hover,
.footer__legal-list a:hover {
  color: var(--primary);
}

.footer__contact p {
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--text);
  overflow-wrap: anywhere;
}

.footer__address {
  font-family: var(--sans) !important;
  font-size: 0.88rem !important;
  line-height: 1.6 !important;
  color: var(--text-secondary) !important;
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  width: min(100% - 48px, var(--content));
  margin: 0 auto;
  padding: 18px 0 24px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
}

.footer__copyright,
.footer__icp {
  margin: 0;
}

.footer__icp {
  font-family: var(--mono);
}

.masthead__skip {
  position: absolute;
  top: -80px;
  left: 16px;
  z-index: 4000;
  padding: 10px 16px;
  font-weight: 700;
  font-size: 0.9rem;
  color: #0A0E17;
  background: var(--primary);
  border-radius: 0 0 8px 8px;
  transition: top 0.2s ease;
}

.masthead__skip:focus {
  top: 0;
  border-bottom: 0;
  color: #0A0E17;
}

.container {
  width: min(100% - 48px, var(--content));
  margin-inline: auto;
}

.container--narrow {
  max-width: 840px;
}

.page-top {
  padding: clamp(2rem, 6vw, 5rem) 0 2rem;
}

.page-title {
  margin-bottom: 10px;
}

.section-index {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
}

.section-index::after {
  content: "";
  width: 64px;
  height: 1px;
  background: var(--gradient);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 28px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 6px;
  color: var(--border);
}

.breadcrumb a {
  color: var(--secondary);
}

.btn {
  display: inline-block;
  padding: 14px 30px;
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  border: 1px solid transparent;
  border-radius: 4px 14px 4px 14px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn--primary {
  color: #0A0E17;
  background: var(--primary);
  box-shadow: 0 0 0 rgba(57, 255, 20, 0);
}

.btn--primary:hover {
  color: #0A0E17;
  border-bottom-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(57, 255, 20, 0.22);
}

.btn--ghost {
  color: var(--secondary);
  background: transparent;
  border-color: rgba(0, 255, 255, 0.6);
}

.btn--ghost:hover {
  color: #0A0E17;
  background: var(--secondary);
  border-color: var(--secondary);
  border-bottom-color: var(--secondary);
}

.btn--small {
  padding: 9px 16px;
  font-size: 0.8rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gap);
}

.col-12 {
  grid-column: span 12;
}

.col-8 {
  grid-column: span 8;
}

.col-6 {
  grid-column: span 6;
}

.col-4 {
  grid-column: span 4;
}

.card {
  position: relative;
  padding: 28px;
  background: linear-gradient(145deg, rgba(57, 255, 20, 0.05), transparent 32%), var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px 18px 4px 18px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 36px;
  height: 4px;
  background: var(--gradient);
  border-radius: 4px 0 0 0;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(57, 255, 20, 0.5);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.card--featured {
  grid-column: span 8;
  padding: 40px;
  border-color: rgba(57, 255, 20, 0.35);
  box-shadow: 0 0 40px rgba(57, 255, 20, 0.06);
}

.card__title {
  margin-bottom: 12px;
  font-size: 1.4rem;
}

.card__text {
  color: var(--text-secondary);
}

.tag {
  display: inline-block;
  padding: 3px 12px;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--secondary);
  background: rgba(0, 255, 255, 0.08);
  border: 1px solid rgba(0, 255, 255, 0.28);
  border-radius: 100px;
}

.stat {
  padding: 20px 0;
}

.stat__value {
  display: block;
  font-family: var(--mono);
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  line-height: 1;
  color: var(--primary);
}

.stat__label {
  display: block;
  margin-top: 8px;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.media-frame {
  position: relative;
  overflow: hidden;
  min-height: 180px;
  background:
    repeating-linear-gradient(-45deg, rgba(57, 255, 20, 0.04) 0 2px, transparent 2px 14px),
    linear-gradient(160deg, var(--surface), var(--elevation));
  border: 1px solid var(--border);
  border-radius: 4px 22px 4px 22px;
}

.media-frame--ratio {
  aspect-ratio: 16 / 9;
}

.media-frame--glow {
  border-color: rgba(0, 255, 255, 0.3);
  box-shadow: 0 0 42px rgba(0, 255, 255, 0.08);
}

.media-frame__note {
  position: absolute;
  inset: auto 0 0 0;
  padding: 8px 14px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: rgba(10, 14, 23, 0.65);
}

.prose {
  max-width: 72ch;
  font-size: 1.05rem;
  line-height: 1.8;
}

.prose p {
  margin-bottom: 1.4em;
}

.prose h2,
.prose h3 {
  margin-top: 1.6em;
  margin-bottom: 0.6em;
}

.prose ul {
  margin-bottom: 1.4em;
  padding-left: 1.2em;
  list-style: disc;
}

.prose ol {
  margin-bottom: 1.4em;
  padding-left: 1.4em;
  list-style: decimal;
}

.prose blockquote {
  margin: 1.6rem 0;
  padding: 16px 20px;
  color: var(--text-secondary);
  background: var(--surface);
  border-left: 3px solid var(--primary);
}

.prose code,
.command {
  font-family: var(--mono);
  font-size: 0.9em;
  color: var(--primary);
  background: rgba(57, 255, 20, 0.08);
  border: 1px solid rgba(57, 255, 20, 0.25);
  border-radius: 5px;
  padding: 2px 8px;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--border);
}

.table-wrap table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
}

.table-wrap th,
.table-wrap td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.table-wrap th {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--secondary);
  background: var(--surface);
}

.table-wrap td {
  font-family: var(--mono);
  color: var(--text);
}

.tabs {
  padding: 20px 0;
}

.tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}

.tab {
  padding: 10px 18px;
  font-family: var(--mono);
  font-size: 0.84rem;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  border-bottom: 0;
  cursor: pointer;
}

.tab:hover {
  color: var(--text);
}

.tab[aria-selected="true"] {
  color: var(--primary);
  background: var(--surface);
  border-color: var(--border);
  transform: translateY(-2px);
}

.tabpanel {
  padding: 24px 0;
}

.accordion {
  border: 1px solid var(--border);
  background: var(--surface);
}

.accordion__item + .accordion__item {
  border-top: 1px solid var(--border);
}

.accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px 20px;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 500;
  text-align: left;
  color: var(--text);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: background 0.2s ease;
}

.accordion__trigger:hover {
  background: var(--elevation);
}

.accordion__trigger::after {
  content: "+";
  margin-left: 16px;
  font-family: var(--mono);
  font-size: 1.2rem;
  color: var(--primary);
}

.accordion__item[data-open] .accordion__trigger::after {
  content: "–";
}

.accordion__panel {
  display: none;
  padding: 0 20px 20px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.accordion__item[data-open] .accordion__panel {
  display: block;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

[data-reveal][data-revealed] {
  opacity: 1;
  transform: none;
}

@media (max-width: 960px) {
  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px 32px;
  }

  .nav-list {
    gap: 0 20px;
  }

  .col-8,
  .col-6,
  .col-4 {
    grid-column: span 12;
  }

  .card--featured {
    grid-column: span 12;
  }
}

@media (max-width: 768px) {
  .masthead__inner {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
  }

  .masthead__brand {
    align-items: flex-start;
    text-align: left;
  }

  .brand-name {
    font-size: calc(2rem + 2vw);
  }

  .masthead__nav {
    order: 3;
    position: absolute;
    top: calc(100% + 2px);
    left: 0;
    right: 0;
    display: none;
    margin: 0;
    padding: 8px 20px 20px;
    background: rgba(10, 14, 23, 0.98);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

  .masthead__nav[data-open] {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
  }

  .nav-list a {
    padding: 14px 12px;
    border-bottom: 1px solid var(--border);
    border-left: 2px solid transparent;
  }

  .nav-list a:hover,
  .nav-list a[aria-current="page"] {
    border-left-color: var(--primary);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    padding-top: 48px;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .page-top {
    padding-top: 2rem;
  }
}

@media (max-width: 460px) {
  .brand-tagline {
    display: none;
  }

  .masthead__nav[data-open] {
    max-height: calc(100vh - 80px);
    overflow-y: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .card:hover,
  .btn--primary:hover,
  .btn--ghost:hover {
    transform: none;
  }
}