:root {
  --color-primary: #0B3B2E;
  --color-green-deep: #0A2E24;
  --color-gold: #D4AF37;
  --color-gold-dark: #A8851E;
  --color-black: #111111;
  --color-white: #FFFFFF;
  --color-gray: #A0A0A0;
  --color-neon: #39FF14;
  --color-off-white: #F5F5F0;
  --font-display: Impact, "Anton", "Arial Narrow Bold", "Helvetica Neue", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "Roboto Mono", "SF Mono", "Cascadia Code", "Consolas", monospace;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --cut: 14px;
  --header-h: 64px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-white);
  background-color: var(--color-black);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--color-gold);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

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

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

p {
  margin: 0;
}

button {
  padding: 0;
  border: 0;
  font: inherit;
  color: inherit;
  background: none;
  cursor: pointer;
}

::selection {
  background: var(--color-gold);
  color: var(--color-black);
}

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

.container {
  width: min(1200px, 100% - 3rem);
  margin-inline: auto;
}

.main-content {
  min-height: 60vh;
}

.site-section {
  padding-block: clamp(3rem, 7vw, 5.5rem);
}

.kicker,
.section-head__kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-neon);
}

.section-head {
  margin-bottom: 2.5rem;
}

.section-head::after {
  content: "";
  display: block;
  width: 4rem;
  height: 3px;
  margin-top: 0.75rem;
  background: var(--color-gold);
}

.section-head__title {
  margin-top: 0.25rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.section-head__desc {
  margin-top: 0.75rem;
  max-width: 60ch;
  color: var(--color-gray);
}

.grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 641px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (min-width: 641px) and (max-width: 1024px) {
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
}

.grid-split {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 900px) {
  .grid-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .grid-split--reverse {
    direction: rtl;
  }

  .grid-split--reverse > * {
    direction: ltr;
  }
}

.card {
  position: relative;
  padding: 1.75rem 1.5rem;
  background: var(--color-primary);
  border: 1px solid var(--color-gold-dark);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  transition: transform 220ms var(--ease-out), border-color 220ms;
}

.card:hover {
  transform: translate(-4px, -4px);
  border-color: var(--color-gold);
}

.card--dark {
  background: var(--color-green-deep);
}

.card--black {
  background: var(--color-black);
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  text-transform: uppercase;
  color: var(--color-gold);
}

.card__text {
  margin-top: 0.5rem;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.75);
}

.card__meta {
  display: block;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-gray);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  background: var(--color-gold);
  color: var(--color-black);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: background 200ms, color 200ms, transform 200ms;
}

.btn:hover {
  background: var(--color-neon);
  color: var(--color-black);
  transform: translate(2px, -2px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-gold);
  clip-path: none;
  box-shadow: inset 0 0 0 1px var(--color-gold-dark);
}

.btn--ghost:hover {
  color: var(--color-neon);
  box-shadow: inset 0 0 0 1px var(--color-neon);
}

.btn--neon {
  background: var(--color-neon);
  color: var(--color-black);
}

.btn--neon:hover {
  background: var(--color-gold);
}

.btn--small {
  padding: 0.45rem 1rem;
  font-size: 0.8rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.6rem;
  padding-block: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-gray);
}

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

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

.breadcrumb__sep {
  color: var(--color-gold-dark);
}

.media-frame {
  position: relative;
  overflow: hidden;
  background: var(--color-green-deep);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.media-frame > img,
.media-frame > svg,
.media-frame > video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--16x9 {
  aspect-ratio: 16 / 9;
}

.media-frame--4x3 {
  aspect-ratio: 4 / 3;
}

.media-frame--1x1 {
  aspect-ratio: 1 / 1;
}

.media-frame--3x4 {
  aspect-ratio: 3 / 4;
}

.media-frame::after {
  content: attr(data-caption);
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 2rem 1rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--color-white);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 200ms, transform 200ms;
}

.media-frame:hover::after,
.media-frame[data-caption-force]::after {
  opacity: 1;
  transform: translateY(0);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-gray);
  background: var(--color-black);
  border: 1px solid var(--color-gold-dark);
}

.chip--gold {
  color: var(--color-gold);
  border-color: var(--color-gold);
}

.chip--neon {
  color: var(--color-neon);
  border-color: var(--color-neon);
}

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

.text-display {
  font-family: var(--font-display);
  text-transform: uppercase;
}

.text-gold {
  color: var(--color-gold);
}

.text-neon {
  color: var(--color-neon);
}

.text-gray {
  color: var(--color-gray);
}

.accordion {
  display: grid;
  gap: 0.75rem;
}

.accordion__item {
  background: var(--color-primary);
  border: 1px solid var(--color-gold-dark);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 1rem 1.25rem;
  text-align: left;
  font-weight: 700;
  color: var(--color-white);
  background: transparent;
  transition: color 200ms;
}

.accordion__trigger:hover {
  color: var(--color-gold);
}

.accordion__trigger::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--color-gold);
  transition: transform 200ms;
}

.accordion__trigger[aria-expanded="true"]::after {
  content: "–";
}

.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  visibility: hidden;
  transition: grid-template-rows 300ms var(--ease-in-out), visibility 300ms;
}

.accordion__panel[data-open] {
  grid-template-rows: 1fr;
  visibility: visible;
}

.accordion__inner {
  overflow: hidden;
  min-height: 0;
}

.accordion__inner-content {
  padding: 0 1.25rem 1.25rem;
  color: rgba(255, 255, 255, 0.78);
}

.skip-link {
  position: fixed;
  top: -100%;
  left: 1rem;
  z-index: 400;
  padding: 0.5rem 1rem;
  font-weight: 700;
  background: var(--color-gold);
  color: var(--color-black);
  transition: top 150ms;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 300;
  background: var(--color-primary);
  border-bottom: 2px solid var(--color-gold);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: var(--header-h);
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.brand__mark {
  position: relative;
  width: 22px;
  height: 22px;
  background: var(--color-gold);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.brand__mark::after {
  content: "";
  position: absolute;
  inset: 6px;
  background: var(--color-black);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.brand__label {
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.site-header__status {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-gray);
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.2rem 0.55rem;
  background: var(--color-black);
  border: 1px solid var(--color-gold-dark);
}

.status-chip__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-neon);
  box-shadow: 0 0 8px var(--color-neon);
  animation: status-pulse 1.6s infinite;
}

.status-chip__num {
  color: var(--color-neon);
}

@keyframes status-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 0.85rem;
  background: var(--color-black);
  color: var(--color-white);
  border: 1px solid var(--color-gold-dark);
  transition: border-color 200ms, background 200ms, color 200ms;
}

.nav-toggle:hover {
  border-color: var(--color-gold);
  background: var(--color-green-deep);
}

.nav-toggle[aria-expanded="true"] {
  border-color: var(--color-neon);
  color: var(--color-neon);
}

.nav-toggle__label {
  font-size: 0.85rem;
  font-weight: 700;
}

.nav-toggle__icon {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 20px;
  height: 14px;
}

.nav-toggle__line {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform 220ms var(--ease-in-out), opacity 220ms;
}

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

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

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

.site-nav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 350;
  width: min(420px, 100%);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 320ms var(--ease-in-out), visibility 320ms;
}

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

.site-nav__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.66);
  opacity: 0;
  visibility: hidden;
  transition: opacity 320ms, visibility 320ms;
}

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

.site-nav__panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  width: min(420px, 100%);
  padding: 1.5rem;
  background-color: var(--color-green-deep);
  background-image: linear-gradient(135deg, rgba(212, 175, 55, 0.07) 25%, transparent 25%), linear-gradient(225deg, rgba(212, 175, 55, 0.07) 25%, transparent 25%);
  background-size: 28px 28px;
  border-left: 2px solid var(--color-gold);
}

.site-nav__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-gold-dark);
}

.site-nav__kicker {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.site-nav__kicker-dot {
  width: 6px;
  height: 6px;
  background: var(--color-neon);
}

.site-nav__close {
  padding: 0.25rem 0.75rem;
  font-size: 0.8rem;
  color: var(--color-gray);
  border: 1px solid var(--color-gold-dark);
  transition: color 200ms, border-color 200ms;
}

.site-nav__close:hover {
  color: var(--color-neon);
  border-color: var(--color-neon);
}

.site-nav__list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.site-nav__link {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0.85rem;
  border-left: 2px solid transparent;
  background: transparent;
  transition: background 200ms, border-color 200ms, padding-left 200ms;
}

.site-nav__link:hover {
  padding-left: 1.15rem;
  background: rgba(212, 175, 55, 0.12);
  border-left-color: var(--color-gold);
}

.site-nav__link[aria-current="page"] {
  background: rgba(57, 255, 20, 0.08);
  border-left-color: var(--color-neon);
}

.site-nav__index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-gold-dark);
}

.site-nav__link:hover .site-nav__index {
  color: var(--color-gold);
}

.site-nav__link[aria-current="page"] .site-nav__index {
  color: var(--color-neon);
}

.site-nav__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  transition: color 200ms;
}

.site-nav__link:hover .site-nav__name {
  color: var(--color-gold);
}

.site-nav__link[aria-current="page"] .site-nav__name {
  color: var(--color-neon);
}

.site-nav__route {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-gray);
}

.site-nav__foot {
  display: flex;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--color-gold-dark);
}

.site-nav__foot-link {
  font-size: 0.8rem;
  color: var(--color-gray);
  transition: color 200ms;
}

.site-nav__foot-link:hover {
  color: var(--color-gold);
}

.site-footer {
  position: relative;
  margin-top: 4rem;
  background: var(--color-primary);
  color: var(--color-white);
  border-top: 2px solid var(--color-gold);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  height: 4px;
  width: 100%;
  background: repeating-linear-gradient(90deg, var(--color-gold) 0 8px, transparent 8px 16px);
  pointer-events: none;
}

.site-footer__main {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 3rem;
  padding: 3rem clamp(1rem, 4vw, 3rem) 2rem;
}

.site-footer__logo {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
  text-transform: uppercase;
  color: var(--color-gold);
}

.site-footer__slogan {
  margin-top: 0.3rem;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--color-neon);
}

.site-footer__statement {
  margin-top: 1rem;
  max-width: 44ch;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.72);
}

.site-footer__heading {
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.site-footer__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.site-footer__list a {
  color: rgba(255, 255, 255, 0.8);
  transition: color 200ms;
}

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

.site-footer__contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.site-footer__contact-item {
  display: block;
}

.site-footer__contact-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--color-gray);
}

.site-footer__contact-value {
  font-size: 0.9rem;
  color: var(--color-white);
  word-break: break-all;
}

.site-footer__icp {
  margin-top: 1rem;
  padding-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-gray);
  border-top: 1px solid var(--color-gold-dark);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-gray);
  border-top: 1px solid var(--color-gold-dark);
}

.site-footer__copyright {
  margin: 0;
}

.site-footer__board {
  margin: 0;
  letter-spacing: 0.15em;
  color: var(--color-gold-dark);
}

@media (max-width: 1024px) {
  .site-footer__main {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  :root {
    --header-h: 56px;
  }

  .status-chip__text {
    display: none;
  }

  .nav-toggle__label {
    display: none;
  }

  .site-nav__panel {
    padding: 1.25rem;
  }

  .site-nav__list {
    gap: 0.2rem;
  }

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

  .site-footer__brand {
    grid-column: auto;
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

  .site-nav,
  .site-nav__backdrop,
  .site-nav__panel,
  .expand,
  .status-chip__dot,
  .accordion__panel,
  .accordion__trigger::after,
  .nav-toggle__line,
  .card,
  .btn,
  .media-frame::after,
  .skip-link {
    transition: none !important;
    animation: none !important;
  }

  .status-chip__dot {
    animation: none;
  }
}