:root {
  --c-deep: #0B1628;
  --c-neon: #39FF14;
  --c-orange: #FF6A00;
  --c-purple: #8A2BE2;
  --c-purple-dark: #4B0082;
  --c-card: #1E2D3D;
  --c-muted: #AAB8C6;
  --c-white: #FFFFFF;
  --c-footer: #121C28;
  --font-display: 'Anton', 'Bebas Neue', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --header-h: 76px;
  --container: 1200px;
  --gutter: clamp(16px, 4vw, 24px);
  --ease-cubic: cubic-bezier(.22, 1, .36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background-color: var(--c-deep);
}

body {
  min-height: 100vh;
  background-color: var(--c-deep);
  background-image:
    radial-gradient(60% 50% at 85% 10%, rgba(138, 43, 226, .14), transparent 70%),
    radial-gradient(50% 40% at 10% 90%, rgba(57, 255, 20, .06), transparent 70%);
  background-attachment: fixed;
  color: var(--c-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  display: block;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
}

p {
  margin-bottom: 1em;
}

a {
  color: var(--c-neon);
  text-underline-offset: 4px;
}

a:hover {
  color: var(--c-orange);
}

strong {
  color: var(--c-white);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-top: 0;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: .95;
  letter-spacing: .02em;
  text-transform: uppercase;
  color: var(--c-white);
}

h1 {
  font-size: clamp(2.6rem, 6vw, 5rem);
}

h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.4rem, 2.6vw, 2rem);
}

h4 {
  font-size: 1.25rem;
}

::selection {
  background: var(--c-neon);
  color: var(--c-deep);
}

:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: 3px;
  border-radius: 2px;
}

::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--c-deep);
}

::-webkit-scrollbar-thumb {
  background: var(--c-card);
  border: 3px solid var(--c-deep);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--c-purple);
}

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

.container--wide {
  width: min(1400px, calc(100% - 48px));
  margin-inline: auto;
}

.container--narrow {
  width: min(760px, calc(100% - 48px));
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: clamp(56px, 9vw, 100px);
}

.section--tight {
  padding-block: 40px;
}

.section-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(28px, 5vw, 48px);
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  display: inline-block;
  padding: 10px 18px;
  background: var(--c-neon);
  color: var(--c-deep);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .06em;
  text-decoration: none;
  border-radius: 2px;
  box-shadow: 0 4px 24px rgba(57, 255, 20, .4);
  transform: translateY(-160%);
  transition: transform .28s var(--ease-cubic);
}

.skip-link:focus-visible {
  transform: translateY(0);
}

#main-content {
  scroll-margin-top: calc(var(--header-h) + 8px);
}

.lede {
  max-width: 66ch;
  font-size: clamp(1.08rem, 1.8vw, 1.28rem);
  line-height: 1.7;
  color: var(--c-muted);
}

.display-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 5.6rem);
  font-style: italic;
  font-weight: 700;
  line-height: .92;
  letter-spacing: .01em;
  text-transform: uppercase;
  color: var(--c-white);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-neon);
}

.section-label::before {
  content: '\2192';
  color: var(--c-orange);
  font-size: 16px;
  line-height: 1;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: transform .25s var(--ease-cubic), box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn--neon {
  background: var(--c-neon);
  color: var(--c-deep);
  box-shadow: 0 0 0 1px rgba(57, 255, 20, .4), 0 4px 24px rgba(57, 255, 20, .25);
}

.btn--neon:hover {
  background: var(--c-white);
  color: var(--c-deep);
  box-shadow: 0 0 0 1px rgba(57, 255, 20, .7), 0 8px 32px rgba(57, 255, 20, .4);
}

.btn--orange {
  background: var(--c-orange);
  color: var(--c-white);
  box-shadow: 0 4px 24px rgba(255, 106, 0, .3);
}

.btn--orange:hover {
  color: var(--c-white);
  box-shadow: 0 8px 32px rgba(255, 106, 0, .5);
}

.btn--outline {
  background: transparent;
  color: var(--c-white);
  border-color: rgba(255, 255, 255, .45);
}

.btn--outline:hover {
  color: var(--c-neon);
  border-color: var(--c-neon);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  transition: background .35s ease, border-color .35s ease, box-shadow .35s ease;
}

.site-header[data-scrolled] {
  background: rgba(11, 22, 40, .96);
  border-bottom-color: rgba(57, 255, 20, .3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .35);
}

.site-header[data-menu-open] {
  background: rgba(11, 22, 40, .98);
  border-bottom-color: rgba(57, 255, 20, .45);
}

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header-h);
}

.brand {
  position: relative;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--c-white);
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: .04em;
  text-decoration: none;
  transition: color .25s ease;
}

.brand::before {
  content: '\25B8';
  color: var(--c-neon);
  font-size: 30px;
  line-height: 1;
  text-shadow: 0 0 14px rgba(57, 255, 20, .65);
  transform: skewX(-8deg);
  transition: transform .3s var(--ease-cubic);
}

.brand:hover {
  color: var(--c-neon);
}

.brand:hover::before {
  transform: skewX(-8deg) translateX(3px);
}

.brand__text {
  font-family: var(--font-display);
  line-height: 1;
}

.brand__tagline {
  position: relative;
  padding-left: 12px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.brand__tagline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 1px;
  height: 14px;
  background: linear-gradient(180deg, var(--c-neon), var(--c-purple));
  transform: translateY(-50%);
}

.site-nav {
  display: flex;
  z-index: 40;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
}

.site-nav__list li {
  list-style: none;
}

.site-nav a {
  position: relative;
  display: block;
  padding: 8px 9px;
  color: var(--c-muted);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .05em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color .25s ease;
}

.site-nav a::after {
  content: '';
  position: absolute;
  left: 9px;
  right: 9px;
  bottom: 2px;
  height: 2px;
  background: var(--c-neon);
  box-shadow: 0 0 8px rgba(57, 255, 20, .6);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .3s var(--ease-cubic);
}

.site-nav a:hover {
  color: var(--c-white);
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.site-nav a[aria-current="page"] {
  color: var(--c-neon);
}

.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav__cta {
  display: none;
}

.site-header__cta {
  flex-shrink: 0;
  padding-top: 10px;
  padding-bottom: 10px;
}

.nav-toggle {
  position: relative;
  z-index: 50;
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 4px;
  cursor: pointer;
  transition: border-color .25s ease, background .25s ease;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--c-white);
  transition: transform .3s var(--ease-cubic), opacity .25s ease, background .25s ease;
}

.nav-toggle:hover {
  border-color: var(--c-neon);
}

.nav-toggle:hover span {
  background: var(--c-neon);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-header__progress {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  display: block;
  height: 3px;
  z-index: 5;
  pointer-events: none;
  background: linear-gradient(90deg, var(--c-neon) 0%, var(--c-orange) 60%, var(--c-purple) 100%);
  box-shadow: 0 0 12px rgba(57, 255, 20, .7);
  transform: scaleX(var(--progress, 0));
  transform-origin: left center;
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  background: var(--c-card);
  color: var(--c-neon);
  font-size: 22px;
  line-height: 1;
  border: 1px solid rgba(57, 255, 20, .4);
  border-radius: 4px;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .4);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: transform .3s var(--ease-cubic), opacity .3s ease, color .25s ease, border-color .25s ease, background .25s ease;
}

.back-to-top[data-visible] {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  color: var(--c-orange);
  border-color: var(--c-orange);
  background: var(--c-deep);
}

.site-footer {
  position: relative;
  background: var(--c-footer);
  padding-top: 56px;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-neon), var(--c-purple) 60%, var(--c-orange));
  opacity: .85;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 40px;
}

.site-footer__brand .brand {
  font-size: 26px;
}

.site-footer__mission {
  max-width: 42ch;
  margin-top: 16px;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.8;
}

.site-footer__col {
  position: relative;
}

.site-footer__col ul {
  display: grid;
  gap: 10px;
  list-style: none;
}

.site-footer__col a {
  color: var(--c-muted);
  font-size: 14px;
  text-decoration: none;
  transition: color .25s ease;
}

.site-footer__col a:hover {
  color: var(--c-neon);
}

.site-footer__title {
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--c-white);
}

.site-footer__contact {
  margin: 0 0 8px;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.7;
  word-break: break-all;
}

.site-footer__note {
  margin-top: 14px;
  padding-left: 10px;
  border-left: 2px solid var(--c-purple);
  color: rgba(170, 184, 198, .65);
  font-size: 12px;
  line-height: 1.7;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  margin-top: 8px;
  padding-block: 20px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  color: rgba(170, 184, 198, .7);
  font-size: 13px;
}

.site-footer__icp {
  color: rgba(170, 184, 198, .55);
}

.site-footer__legal {
  display: flex;
  gap: 16px;
}

.site-footer__legal a {
  color: rgba(170, 184, 198, .8);
  text-decoration: none;
  transition: color .25s ease;
}

.site-footer__legal a:hover {
  color: var(--c-neon);
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(56px, 10vw, 120px));
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-hero::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(46%, 420px);
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-neon));
  opacity: .8;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  padding-top: calc(var(--header-h) + 28px);
  font-size: 13px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.breadcrumbs a {
  color: var(--c-muted);
  text-decoration: none;
  transition: color .25s ease;
}

.breadcrumbs a:hover {
  color: var(--c-neon);
}

.breadcrumbs [aria-current="page"] {
  color: var(--c-white);
  font-weight: 700;
}

.breadcrumbs__sep {
  color: var(--c-neon);
  font-size: 16px;
  line-height: 1;
}

.layout-split {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
}

.card {
  position: relative;
  background: var(--c-card);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 0;
  padding: 28px;
  transition: border-color .3s ease, transform .3s var(--ease-cubic);
}

.card::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--c-neon), transparent 85%);
  opacity: 0;
  transition: opacity .3s ease;
}

.card:hover {
  border-color: rgba(57, 255, 20, .4);
  transform: translateY(-4px);
}

.card:hover::after {
  opacity: 1;
}

.grid {
  display: grid;
  gap: var(--gutter);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.tag {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(57, 255, 20, .06);
  border: 1px solid rgba(57, 255, 20, .35);
  border-radius: 2px;
  color: var(--c-neon);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--c-neon);
  color: var(--c-deep);
  border-radius: 2px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.badge--orange {
  background: var(--c-orange);
  color: var(--c-white);
}

.stat {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-style: italic;
  font-weight: 700;
  line-height: .9;
  color: var(--c-neon);
  text-shadow: 0 0 18px rgba(57, 255, 20, .3);
}

.stat--orange {
  color: var(--c-orange);
  text-shadow: none;
}

.divider {
  height: 1px;
  margin-block: 32px;
  border: 0;
  background: linear-gradient(90deg, rgba(57, 255, 20, .5) 0%, rgba(138, 43, 226, .25) 50%, transparent 100%);
}

.media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--c-card);
  border: 1px solid rgba(255, 255, 255, .08);
}

.media--wide {
  aspect-ratio: 21 / 9;
}

.media--tall {
  aspect-ratio: 4 / 5;
}

.media__fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 3rem);
  font-style: italic;
  font-weight: 700;
  color: var(--c-neon);
  text-shadow: 0 0 22px rgba(57, 255, 20, .5);
  background:
    radial-gradient(90% 80% at 70% 20%, rgba(138, 43, 226, .45), transparent 70%),
    radial-gradient(70% 60% at 20% 80%, rgba(57, 255, 20, .22), transparent 75%),
    var(--c-card);
}

.media__fallback::before {
  content: '';
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(57, 255, 20, .15);
}

@media (max-width: 1200px) {
  .brand__tagline {
    display: none;
  }
}

@media (max-width: 960px) {
  .site-header__cta {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(11, 22, 40, .98);
    background-image:
      radial-gradient(80% 60% at 80% 10%, rgba(138, 43, 226, .16), transparent 70%),
      linear-gradient(180deg, rgba(11, 22, 40, .98), rgba(18, 28, 40, .98));
    border-top: 1px solid rgba(57, 255, 20, .2);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .3s ease, visibility .3s ease;
  }

  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .site-nav__list {
    flex-direction: column;
    gap: 6px;
    text-align: center;
  }

  .site-nav a {
    padding: 12px 24px;
    font-size: 20px;
  }

  .site-nav a::after {
    left: 24px;
    right: 24px;
    bottom: 6px;
  }

  .site-nav__cta {
    display: block;
    margin-top: 18px;
  }

  .layout-split {
    grid-template-columns: 1fr;
  }

  .grid--3,
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 961px) {
  .site-footer__col + .site-footer__col::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 6px;
    bottom: 6px;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(138, 43, 226, .55), transparent);
  }
}

@media (min-width: 961px) {
  .site-nav a[aria-current="page"]::after,
  .site-nav a:hover::after {
    transform: scaleX(1);
  }
}

@media (max-width: 640px) {
  :root {
    --header-h: 64px;
  }

  .brand {
    font-size: 22px;
  }

  .brand::before {
    font-size: 26px;
  }

  .container,
  .container--wide,
  .container--narrow {
    width: calc(100% - 32px);
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .site-footer__bottom {
    justify-content: center;
    text-align: center;
  }

  .site-footer__legal {
    width: 100%;
    justify-content: center;
  }

  .back-to-top {
    right: 16px;
    bottom: 16px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}