:root {
  --color-bg: #0B0E13;
  --color-surface: #141C26;
  --color-panel: #1D2733;
  --color-accent: #B4FF00;
  --color-orange: #FF4D00;
  --color-silver: #A5B0BC;
  --color-text: #F2F5F9;
  --color-muted: #9AA7B4;
  --color-glow: rgba(180, 255, 0, 0.25);
  --font-heading: 'Rajdhani', 'Arial Narrow', 'Noto Sans SC', system-ui, sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', system-ui, sans-serif;
  --container-width: 1200px;
  --header-height: 4.5rem;
  --transition-fast: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
}

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

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 2rem;
}

.section {
  padding-block: 4rem;
}

.section--tight {
  padding-block: 2.5rem;
}

.prose {
  max-width: 64em;
  line-height: 1.8;
}

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

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

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

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-glow);
  padding: 1.5rem;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.card:hover {
  background: var(--color-panel);
  border-color: rgba(180, 255, 0, 0.5);
  transform: translateY(-2px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--color-accent);
  background: transparent;
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  box-shadow: 0 0 24px var(--color-glow);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background: var(--color-bg);
  color: var(--color-accent);
}

.btn--ghost {
  border-color: var(--color-silver);
  color: var(--color-silver);
}

.btn--ghost:hover {
  background: var(--color-silver);
  color: var(--color-bg);
}

.media-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--color-surface);
  border: 1px solid var(--color-glow);
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.media-frame img,
.media-frame__placeholder {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame__placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  background: linear-gradient(135deg, var(--color-panel) 0%, var(--color-surface) 100%);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
}

.breadcrumb li::after {
  content: "/";
  margin-left: 0.5rem;
  color: var(--color-muted);
}

.breadcrumb li:last-child::after {
  content: none;
}

.breadcrumb a {
  color: var(--color-muted);
  transition: color var(--transition-fast);
}

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

.skip-link {
  position: fixed;
  top: 0;
  left: 1rem;
  z-index: 1000;
  background: var(--color-accent);
  color: var(--color-bg);
  font-weight: 700;
  padding: 0.5rem 1.25rem;
  transform: translateY(-100%);
  transition: transform var(--transition-fast);
}

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

.site-header {
  background: rgba(11, 14, 19, 0.92);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--color-glow);
}

.site-header__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  height: var(--header-height);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 2rem;
  width: 9rem;
  height: 3px;
  background: var(--color-accent);
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  pointer-events: none;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.site-brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-accent);
  color: var(--color-bg);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.5rem;
  line-height: 1;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.site-brand__text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.site-brand__text span {
  color: var(--color-accent);
}

.site-nav__list {
  display: flex;
  gap: 0.2rem;
  list-style: none;
  align-items: center;
}

.site-nav__link {
  position: relative;
  display: inline-block;
  padding: 0.6rem 0.85rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-muted);
  transition: color var(--transition-fast);
}

.site-nav__link::before {
  content: "";
  position: absolute;
  inset-inline: 0.2rem;
  bottom: 0.2rem;
  height: 0;
  background: var(--color-accent);
  transform: skewX(-20deg);
  transition: height var(--transition-fast);
}

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

.site-nav__link:hover::before {
  height: 3px;
}

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

.site-nav__link[aria-current="page"]::before {
  height: 3px;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid var(--color-glow);
  color: var(--color-text);
  padding: 0.5rem 0.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

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

.nav-toggle__bars {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 1.25rem;
}

.nav-toggle__bar {
  height: 2px;
  background: currentColor;
  width: 100%;
  transform-origin: center;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

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

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

.site-footer {
  background: #07090d;
  border-top: 1px solid var(--color-glow);
  padding: 3.5rem 0 2rem;
  margin-top: auto;
}

.site-footer::before {
  content: "";
  display: block;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 2rem;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--color-accent) 30%, transparent 100%);
}

.site-footer__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.6fr;
  gap: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 2.5rem;
  margin-top: 2rem;
}

.site-footer__brand .site-brand__text {
  color: var(--color-text);
}

.site-footer__slogan {
  margin-top: 0.75rem;
  color: var(--color-muted);
  font-family: var(--font-heading);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.site-footer__heading {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
  position: relative;
  padding-left: 0.75rem;
}

.site-footer__heading::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2rem;
  width: 4px;
  height: 1em;
  background: var(--color-accent);
  transform: skewX(-20deg);
}

.site-footer__list,
.site-footer__contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer__list li,
.site-footer__contact-list li {
  margin-bottom: 0.5rem;
  color: var(--color-muted);
  font-size: 0.95rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.site-footer__list li:hover {
  color: var(--color-text);
  transform: translateX(4px);
}

.site-footer__list a {
  display: inline-block;
  padding-block: 0.2rem;
}

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

.site-footer__contact-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-footer__contact-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--color-orange);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.5rem;
}

.site-footer__copyright,
.site-footer__icp {
  color: var(--color-muted);
  font-size: 0.875rem;
  margin: 0;
}

.site-footer__icp {
  order: 2;
}

.site-footer__back {
  order: 3;
  background: transparent;
  border: 1px solid var(--color-glow);
  color: var(--color-silver);
  padding: 0.5rem 1.2rem;
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.site-footer__back:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
}

.scroll-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 200;
  background: var(--color-accent);
  color: var(--color-bg);
  border: 1px solid var(--color-accent);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  padding: 0.6rem 0.9rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast), background var(--transition-fast);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--color-orange);
  border-color: var(--color-orange);
}

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

@media (max-width: 768px) {
  .site-header__inner {
    height: 3.75rem;
    padding: 0 1rem;
  }

  .site-header::after {
    left: 1rem;
    width: 5rem;
  }

  .site-brand__mark {
    width: 2.2rem;
    height: 2.2rem;
    font-size: 1.3rem;
  }

  .site-brand__text {
    font-size: 1.3rem;
  }

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

  .site-nav {
    position: fixed;
    top: 3.75rem;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-accent);
    padding: 1.25rem 1rem 2rem;
    transform: translateY(-120%);
    visibility: hidden;
    transition: transform 0.25s ease, visibility 0.25s ease;
    max-height: calc(100vh - 3.75rem);
    overflow-y: auto;
  }

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

  .site-nav__list {
    flex-direction: column;
    gap: 0.25rem;
  }

  .site-nav__link {
    display: block;
    padding: 0.9rem 1rem;
    border-left: 3px solid transparent;
    font-size: 1.15rem;
  }

  .site-nav__link::before {
    display: none;
  }

  .site-nav__link[aria-current="page"] {
    border-left-color: var(--color-accent);
    background: rgba(180, 255, 0, 0.06);
  }

  .container {
    padding-inline: 1rem;
  }

  .section {
    padding-block: 3rem;
  }

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

  .site-footer__top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .site-footer__icp {
    order: 1;
  }

  .site-footer__back {
    order: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .site-nav {
    transition: none;
  }

  .scroll-top {
    transition: none;
  }
}