:root {
  color-scheme: dark;
  --bg: #0A1128;
  --bg-panel: #101A3A;
  --bg-elevated: #182346;
  --border: #1E2E5A;
  --text: #F0F4FF;
  --text-dim: #A0B0D0;
  --text-faint: #607090;
  --accent: #39FF14;
  --accent-2: #BF00FF;
  --accent-soft: rgba(57, 255, 20, .12);
  --accent-2-soft: rgba(191, 0, 255, .14);
  --on-accent: #0A1128;
  --warning: #FFD400;
  --font-heading: "Orbitron", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Orbitron", sans-serif;
  --max-width: 1320px;
  --header-h: 72px;
  --shadow: 0 12px 32px rgba(0, 0, 0, .28);
  --ease: cubic-bezier(.22, 1, .36, 1);
}

html[data-theme="violet"] {
  --accent: #BF00FF;
  --accent-2: #39FF14;
  --accent-soft: rgba(191, 0, 255, .14);
  --accent-2-soft: rgba(57, 255, 20, .12);
  --on-accent: #F0F4FF;
}

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

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

body {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 88% -10%, var(--accent-2-soft), transparent 36rem),
    radial-gradient(circle at 8% 92%, var(--accent-soft), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  text-rendering: optimizeSpeed;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: .02em;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
}

h4 {
  font-size: clamp(1rem, 2vw, 1.2rem);
}

p {
  margin: 0 0 1em;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--text);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

::selection {
  background: var(--accent);
  color: #0A1128;
}

img,
svg,
canvas {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: 0;
  cursor: pointer;
}

#main-content {
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.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;
}

.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2000;
  padding: 12px 20px;
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--font-heading);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform .2s var(--ease), background .2s;
}

.skip-link:focus {
  transform: translateY(0);
  outline: none;
  box-shadow: 0 0 0 4px var(--accent-2);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(180deg, rgba(10, 17, 40, .96), rgba(16, 26, 58, .92));
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .22);
}

.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 4;
  background: repeating-linear-gradient(90deg, var(--accent) 0 16px, transparent 16px 28px, var(--accent-2) 28px 47px, transparent 47px 60px);
  opacity: .75;
  pointer-events: none;
}

.site-header::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: clamp(80px, 15vw, 260px);
  height: 100%;
  z-index: 0;
  background: linear-gradient(100deg, var(--accent-2-soft), transparent 88%);
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.header-bar {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 32px);
  width: min(100% - clamp(20px, 4vw, 48px), var(--max-width));
  min-height: var(--header-h);
  margin-inline: auto;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
}

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

.brand-lockup:hover .brand-name {
  color: var(--accent);
}

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 42px;
  height: 38px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}

.brand-mark::before {
  content: "";
  width: 16px;
  height: 16px;
  background: var(--accent);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: -1px;
  border: 1px solid var(--accent-2);
  opacity: .65;
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: .1em;
  text-transform: uppercase;
  transition: color .2s;
}

.brand-domain {
  color: var(--accent);
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  margin-left: auto;
}

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

.nav-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--accent);
  transition: transform .3s var(--ease), opacity .3s;
}

.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-nav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  width: min(82vw, 380px);
  padding: calc(var(--header-h) + 24px) clamp(24px, 6vw, 32px) 32px;
  overflow-y: auto;
  background: linear-gradient(180deg, #0A1128, #101A3A 100%);
  border-left: 1px solid var(--border);
  box-shadow: -12px 0 32px rgba(0, 0, 0, .3);
  visibility: hidden;
  transform: translateX(100%);
  transition: transform .4s var(--ease), visibility .4s;
}

.site-nav[data-open] {
  visibility: visible;
  transform: translateX(0);
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  padding: 14px 2px;
  color: var(--text-dim);
  font-family: var(--font-heading);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}

.nav-link:hover {
  color: var(--accent);
}

.nav-link[aria-current] {
  color: var(--text);
}

.nav-link[aria-current]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

.theme-switcher {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  margin-top: 24px;
  padding: 3px;
  background: rgba(10, 17, 40, .6);
  border: 1px solid var(--border);
}

.theme-switcher__label {
  padding: 0 6px;
  color: var(--text-faint);
  font-family: var(--font-heading);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.theme-switcher__button {
  width: 38px;
  height: 34px;
  color: var(--text-dim);
  font-family: var(--font-heading);
  font-size: .8rem;
  font-weight: 700;
  transition: background .2s, color .2s;
}

.theme-switcher__button:hover {
  color: var(--accent);
}

.theme-switcher__button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--on-accent);
}

.header-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 3px;
  z-index: 5;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
  opacity: .9;
}

@media (min-width: 901px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    top: auto;
    right: auto;
    bottom: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    flex: 1;
    width: auto;
    padding: 0;
    overflow: visible;
    background: none;
    border: 0;
    box-shadow: none;
    visibility: visible;
    transform: none;
    transition: none;
    gap: clamp(12px, 2vw, 28px);
  }

  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: clamp(8px, 1.5vw, 24px);
  }

  .nav-link {
    padding: .5rem .25rem;
    border-bottom: 0;
  }

  .theme-switcher {
    align-self: auto;
    margin-top: 0;
  }
}

.site-footer {
  position: relative;
  background: linear-gradient(180deg, #0A1128 0%, #101A3A 100%);
  border-top: 1px solid var(--border);
  box-shadow: inset 0 12px 32px rgba(0, 0, 0, .2);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-2), transparent 35%, var(--accent));
  opacity: .6;
  pointer-events: none;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: clamp(24px, 4vw, 64px);
  width: min(100% - clamp(20px, 4vw, 48px), var(--max-width));
  margin-inline: auto;
  padding: clamp(40px, 6vw, 80px) 0;
}

.footer-lead {
  max-width: 48ch;
  color: var(--text-dim);
  font-size: .95rem;
}

.footer-nav__title,
.footer-contact__title {
  margin: 0 0 16px;
  color: var(--accent);
  font-family: var(--font-heading);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a {
  color: var(--text-dim);
  font-size: .9rem;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-contact dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.footer-contact dl div {
  display: grid;
  gap: 2px;
}

.footer-contact dt {
  color: var(--text-faint);
  font-family: var(--font-heading);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.footer-contact dd {
  margin: 0;
  color: var(--text-dim);
  font-size: .9rem;
  word-break: break-word;
}

.footer-bottom {
  border-top: 1px solid var(--border);
}

.footer-bottom__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  width: min(100% - clamp(20px, 4vw, 48px), var(--max-width));
  margin-inline: auto;
  padding: 16px 0;
  color: var(--text-faint);
  font-size: .85rem;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-legal a {
  color: var(--text-faint);
  text-decoration: none;
}

.footer-legal a:hover {
  color: var(--accent);
}

.footer-icp {
  margin: 0 0 0 auto;
  letter-spacing: .04em;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-icp {
    margin-left: 0;
  }
}

.page-wrap {
  width: min(100% - clamp(20px, 4vw, 48px), var(--max-width));
  margin-inline: auto;
  padding: clamp(24px, 4vw, 56px) 0;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.breadcrumbs li + li::before {
  content: "/";
  margin-right: .75rem;
  color: var(--border);
}

.breadcrumbs a {
  color: var(--text-dim);
  text-decoration: none;
}

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

.breadcrumbs [aria-current="page"] {
  color: var(--text);
}

.page-head {
  padding: clamp(24px, 5vw, 48px);
  margin-bottom: clamp(24px, 4vw, 48px);
  background: linear-gradient(135deg, var(--bg-panel), var(--bg-elevated));
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  box-shadow: var(--shadow);
}

.section {
  position: relative;
  padding: clamp(32px, 6vw, 72px) 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-family: var(--font-heading);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.section-label::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.panel {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: clamp(20px, 4vw, 40px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, .18);
}

.panel--accent {
  border-left: 3px solid var(--accent);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: clamp(16px, 2.5vw, 24px);
}

.card {
  position: relative;
  display: block;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: clamp(18px, 2.5vw, 28px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, .16);
  transition: transform .25s ease, border-color .25s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.card-title {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.card-meta {
  color: var(--text-faint);
  font-size: .85rem;
}

.card-link {
  display: inline-block;
  margin-top: 12px;
  color: var(--accent);
  font-family: var(--font-heading);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: var(--accent-2-soft);
  border: 1px solid var(--accent-2);
  color: var(--accent-2);
  font-family: var(--font-heading);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--font-heading);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.button:hover {
  background: var(--accent-2);
  color: #fff;
}

.button--ghost {
  background: transparent;
  color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.button--ghost:hover {
  background: var(--accent-soft);
  color: var(--text);
}

.media-frame {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-panel));
  border: 1px solid var(--border);
}

.media-frame::before {
  content: "";
  position: absolute;
  inset: 12px;
  z-index: 2;
  border: 1px solid var(--accent-soft);
  pointer-events: none;
}

.media-frame::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 40%;
  height: 3px;
  z-index: 3;
  background: var(--accent-2);
}

.media-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.9) contrast(1.05);
}

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

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

.media-frame--tall {
  aspect-ratio: 3 / 4;
}

.display-number {
  font-family: var(--font-num);
  font-weight: 700;
  letter-spacing: .05em;
}

@media (max-width: 480px) {
  .brand-name {
    font-size: 1rem;
  }

  .brand-mark {
    width: 34px;
    height: 32px;
  }
}

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

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