:root {
  --color-primary: #0A1F44;
  --color-accent: #FF6D00;
  --color-silver: #C0C0C0;
  --color-paper: #F5E6C8;
  --color-ink: #0D0D0D;
  --color-blue: #2D9CDB;
  --color-red: #EB5757;
  --color-yellow: #F2C94C;
  --color-white: #FFFFFF;
  --color-gray: #A0A0A0;
  --font-display: Impact, "Arial Black", "Franklin Gothic Bold", "Helvetica Neue", sans-serif;
  --font-mono: "Roboto Mono", "Courier New", Courier, monospace;
  --header-width: 280px;
  --content-width: 1200px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;
  --radius: 2px;
  --transition: 0.2s ease;
  --scan-line: repeating-linear-gradient(0deg, rgba(255,255,255,0.015) 0, rgba(255,255,255,0.015) 1px, transparent 1px, transparent 3px);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.7;
  background-color: var(--color-primary);
  background-image: radial-gradient(circle at 85% 10%, rgba(45,156,219,0.08), transparent 32%);
  color: var(--color-silver);
  margin-left: var(--header-width);
  min-height: 100vh;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

p {
  margin-bottom: 12px;
}

a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color var(--transition);
}

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

ul,
ol {
  list-style: none;
}

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

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

code,
kbd {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: rgba(255,255,255,0.08);
  padding: 2px 6px;
}

blockquote {
  border-left: 3px solid var(--color-accent);
  background: var(--color-paper);
  color: var(--color-ink);
  padding: 16px 20px;
  margin: 24px 0;
}

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

.content-container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.skip-link {
  position: fixed;
  top: -100%;
  left: 8px;
  z-index: 9999;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 14px;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: var(--radius);
  transition: top var(--transition);
}

.skip-link:focus {
  top: 8px;
}

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 2100;
  pointer-events: none;
  background: rgba(255,255,255,0.06);
}

.reading-progress__bar {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-yellow));
  transition: width 0.1s linear;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--header-width);
  z-index: 1200;
  background-color: var(--color-ink);
  background-image: var(--scan-line);
  border-right: 1px solid rgba(192,192,192,0.18);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.site-header::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(to bottom, transparent 0%, var(--color-accent) 22%, var(--color-accent) 78%, transparent 100%);
  opacity: 0.55;
  pointer-events: none;
}

.site-header__inner {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 28px 20px 20px;
}

.brand-block {
  margin-bottom: var(--space-6);
}

.brand-block__link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-white);
}

.brand-block__mark {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  clip-path: polygon(0 0, 100% 0, 100% 78%, 78% 100%, 0 100%);
}

.brand-block__text {
  display: flex;
  flex-direction: column;
}

.brand-block__name {
  display: block;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--color-white);
}

.brand-block__desc {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-gray);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px;
  color: var(--color-silver);
}

.nav-toggle__label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-silver);
}

.nav-toggle__icon {
  position: relative;
  display: inline-block;
  width: 18px;
  height: 14px;
  flex-shrink: 0;
}

.nav-toggle__icon::before,
.nav-toggle__icon::after,
.nav-toggle__icon span {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transition: transform var(--transition), opacity var(--transition), top var(--transition);
}

.nav-toggle__icon::before {
  top: 0;
}

.nav-toggle__icon span {
  top: 6px;
}

.nav-toggle__icon::after {
  top: 12px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::before {
  top: 6px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon span {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::after {
  top: 6px;
  transform: rotate(-45deg);
}

.site-nav {
  flex: 1;
}

.nav-list {
  counter-reset: nav;
  position: relative;
  padding: 8px 0;
}

.nav-list::before {
  content: "";
  position: absolute;
  top: 18px;
  bottom: 18px;
  left: 15px;
  width: 1px;
  background: repeating-linear-gradient(to bottom, rgba(192,192,192,0.35) 0 3px, transparent 3px 8px);
}

.nav-list__item {
  counter-increment: nav;
  position: relative;
  margin-bottom: 4px;
}

.nav-list__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 8px 11px 4px;
  color: var(--color-silver);
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-left: 3px solid transparent;
  border-radius: 2px;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.nav-list__link::before {
  content: counter(nav, decimal-leading-zero);
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  font-size: 10px;
  line-height: 1;
  color: var(--color-accent);
  background: var(--color-ink);
  border: 1px solid rgba(192,192,192,0.3);
  border-radius: 50%;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.nav-list__link:hover,
.nav-list__link:focus-visible {
  color: var(--color-white);
  background: rgba(10,31,68,0.55);
  border-left-color: var(--color-accent);
}

.nav-list__link:hover::before,
.nav-list__link:focus-visible::before {
  background: var(--color-accent);
  color: var(--color-ink);
  border-color: var(--color-accent);
}

.nav-list__link[aria-current="page"] {
  color: var(--color-accent);
  background: rgba(10,31,68,0.7);
  border-left-color: var(--color-accent);
  font-weight: 700;
}

.nav-list__link[aria-current="page"]::before {
  background: var(--color-accent);
  color: var(--color-ink);
  border-color: var(--color-accent);
  box-shadow: 0 0 10px rgba(255,109,0,0.45);
}

.header-index {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid rgba(192,192,192,0.12);
}

.header-index__code {
  display: block;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--color-gray);
  text-transform: uppercase;
}

.header-index__code + .header-index__code {
  margin-top: 4px;
}

.site-footer {
  position: relative;
  margin-top: var(--space-8);
  padding: var(--space-7) 0 var(--space-5);
  background-color: var(--color-ink);
  background-image: var(--scan-line);
  border-top: 1px solid rgba(192,192,192,0.2);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 180px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-yellow));
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: var(--space-6);
}

.footer-brand__name {
  display: block;
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.05em;
  color: var(--color-white);
}

.footer-brand__desc {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.footer-brand__trust {
  max-width: 440px;
  margin-top: 18px;
  padding-left: 14px;
  border-left: 3px solid var(--color-accent);
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-gray);
}

.footer-brand__extra {
  max-width: 440px;
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-gray);
}

.footer-links__title,
.footer-contact__title {
  margin-bottom: 16px;
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--color-white);
}

.footer-list {
  display: grid;
  gap: 10px;
}

.footer-list a {
  color: var(--color-gray);
  font-size: 14px;
  transition: color var(--transition), padding-left var(--transition);
}

.footer-list a:hover,
.footer-list a:focus-visible {
  color: var(--color-accent);
  padding-left: 6px;
}

.footer-contact__list {
  display: grid;
  gap: 14px;
}

.footer-contact__list li {
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(192,192,192,0.14);
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-gray);
  position: relative;
  padding-left: 18px;
}

.footer-contact__list li::before {
  content: "›";
  position: absolute;
  left: 2px;
  top: 0;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 16px;
}

.footer-contact__label {
  display: block;
  margin-bottom: 2px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gray);
  opacity: 0.7;
}

.footer-contact__note {
  margin-top: 16px;
  padding-left: 10px;
  border-left: 2px solid var(--color-accent);
  font-size: 12px;
  color: var(--color-gray);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  margin-top: var(--space-6);
  padding: 20px 0 0;
  border-top: 1px solid rgba(192,192,192,0.14);
  font-size: 12px;
  color: var(--color-gray);
}

.footer-bottom__copy {
  color: var(--color-silver);
}

.footer-bottom__copy span {
  color: var(--color-white);
}

.footer-bottom a {
  color: var(--color-gray);
}

.footer-bottom a:hover,
.footer-bottom a:focus-visible {
  color: var(--color-accent);
}

.footer-bottom__icp {
  margin-left: auto;
  font-size: 11px;
  color: rgba(192,192,192,0.55);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
}

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

.btn--primary:hover,
.btn--primary:focus-visible {
  background: #E85F00;
  border-color: #E85F00;
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: rgba(255,109,0,0.1);
  color: var(--color-accent);
}

.btn--large {
  padding: 16px 32px;
  font-size: 16px;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: var(--space-5);
}

.section-head__index {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  border: 1px solid currentColor;
  padding: 4px 8px;
}

.section-head__title {
  font-size: clamp(24px, 4vw, 42px);
  line-height: 1;
  margin: 0;
}

.section-head__line {
  flex: 1 1 60px;
  min-width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-gray);
  margin-bottom: var(--space-4);
}

.breadcrumbs ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumbs li + li::before {
  content: "/";
  color: var(--color-accent);
}

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

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

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

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-4);
}

.data-card {
  position: relative;
  background: var(--color-primary);
  border: 1px solid rgba(192,192,192,0.18);
  padding: var(--space-4);
  transition: border-color var(--transition), transform var(--transition);
}

.data-card::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 0;
  height: 0;
  border-top: 22px solid var(--color-accent);
  border-left: 22px solid transparent;
}

.data-card:hover,
.data-card:focus-within {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.data-card__label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-gray);
}

.data-card__value {
  font-family: var(--font-display);
  font-size: 40px;
  line-height: 1.1;
  color: var(--color-white);
  margin: 8px 0 4px;
}

.data-card__meta {
  padding-top: 12px;
  border-top: 1px solid rgba(192,192,192,0.14);
  font-size: 13px;
  color: var(--color-silver);
}

.tilt-block {
  position: relative;
  padding: clamp(48px, 8vw, 88px) clamp(16px, 4vw, 48px);
  background: var(--color-primary);
  clip-path: polygon(0 0, 100% 24px, 100% 100%, 0 calc(100% - 24px));
}

.color-band {
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
  padding: 20px 24px 20px 28px;
  background: linear-gradient(100deg, rgba(10,31,68,0.95), rgba(10,31,68,0.55));
  border: 1px solid rgba(192,192,192,0.2);
  border-left: 4px solid var(--color-accent);
  color: var(--color-silver);
}

.data-stream {
  height: 26px;
  overflow: hidden;
  background: repeating-linear-gradient(-45deg, var(--color-primary) 0 10px, rgba(255,255,255,0.04) 10px 12px, var(--color-primary) 12px 24px);
  background-size: 48px 100%;
  border-top: 1px solid rgba(192,192,192,0.14);
  border-bottom: 1px solid rgba(192,192,192,0.14);
}

.img-frame {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--color-ink);
  border: 1px solid rgba(192,192,192,0.16);
}

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

.img-frame--square {
  aspect-ratio: 1 / 1;
}

.img-frame--portrait {
  aspect-ratio: 3 / 4;
}

.img-frame > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(to bottom, transparent 0 2px, rgba(255,255,255,0.04) 2px 3px);
  pointer-events: none;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 8px;
  border-radius: var(--radius);
  border: 1px solid rgba(192,192,192,0.3);
  color: var(--color-silver);
}

.tag--red {
  color: var(--color-red);
  background: rgba(235,87,87,0.1);
  border-color: var(--color-red);
}

.tag--yellow {
  color: var(--color-yellow);
  background: rgba(242,201,76,0.1);
  border-color: var(--color-yellow);
}

.tag--blue {
  color: var(--color-blue);
  background: rgba(45,156,219,0.1);
  border-color: var(--color-blue);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid rgba(192,192,192,0.2);
  background: rgba(13,13,13,0.4);
}

.table-wrap table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
}

.table-wrap caption {
  caption-side: top;
  padding: 10px 12px;
  text-align: left;
  font-size: 12px;
  color: var(--color-gray);
  background: rgba(10,31,68,0.6);
}

.table-wrap th {
  padding: 14px 16px;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: left;
  border-bottom: 2px solid var(--color-accent);
}

.table-wrap td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(192,192,192,0.12);
  color: var(--color-silver);
}

.table-wrap tbody tr:hover {
  background: rgba(10,31,68,0.4);
}

.accordion {
  border: 1px solid rgba(192,192,192,0.2);
}

.accordion__item {
  border-bottom: 1px solid rgba(192,192,192,0.1);
}

.accordion__item:last-child {
  border-bottom: none;
}

.accordion__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 400;
}

.accordion__trigger {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 16px 20px;
  background: var(--color-primary);
  color: var(--color-white);
  text-align: left;
  transition: background var(--transition);
}

.accordion__trigger:hover,
.accordion__trigger:focus-visible {
  background: rgba(10,31,68,0.7);
}

.accordion__trigger::after {
  content: "+";
  flex-shrink: 0;
  font-size: 22px;
  line-height: 1;
  color: var(--color-accent);
  transition: transform var(--transition);
}

.accordion__item[data-open] .accordion__trigger::after {
  transform: rotate(45deg);
}

.accordion__panel {
  display: none;
  padding: 8px 20px 20px;
  background: rgba(13,13,13,0.6);
  font-size: 14px;
}

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

.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid rgba(192,192,192,0.2);
}

.tabs__btn {
  padding: 12px 20px;
  background: transparent;
  color: var(--color-gray);
  font-size: 14px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.tabs__btn:hover,
.tabs__btn:focus-visible {
  color: var(--color-white);
  background: rgba(10,31,68,0.4);
}

.tabs__btn[data-active] {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  background: rgba(10,31,68,0.3);
}

.tabs__panel {
  display: none;
  padding-top: 20px;
}

.tabs__panel[data-active] {
  display: block;
}

@media (prefers-reduced-motion: no-preference) {
  .data-stream {
    animation: dataflow 24s linear infinite;
  }

  @keyframes dataflow {
    to {
      background-position: 48px 0;
    }
  }
}

@media (max-width: 1023px) {
  body {
    margin-left: 0;
    padding-top: 64px;
  }

  .site-header {
    top: 0;
    bottom: auto;
    width: 100%;
    height: 64px;
    border-right: none;
    border-bottom: 1px solid rgba(192,192,192,0.2);
    overflow: visible;
  }

  .site-header::after {
    top: auto;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-yellow));
    opacity: 0.5;
  }

  .site-header__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
    padding: 0 16px;
    gap: 16px;
  }

  .brand-block {
    margin-bottom: 0;
  }

  .brand-block__mark {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }

  .brand-block__desc {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .site-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    z-index: 1500;
    background: var(--color-ink);
    background-image: var(--scan-line);
    border-bottom: 1px solid rgba(192,192,192,0.24);
    padding: 12px 16px 24px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  }

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

  .header-index {
    display: none;
  }

  .nav-list {
    padding: 4px 0;
  }

  .nav-list::before {
    left: 15px;
  }

  .nav-list__link {
    padding: 13px 10px 13px 4px;
    font-size: 15px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px 32px;
  }

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

@media (max-width: 600px) {
  .content-container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-bottom {
    gap: 12px 20px;
  }

  .footer-bottom__copy {
    width: 100%;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }
}

@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;
  }
}