:root {
  --color-bg-primary: #0B1E3A;
  --color-bg-card: #071223;
  --color-bg-deep: #050D18;
  --color-bg-elevated: #122A50;
  --color-accent: #FF6B00;
  --color-accent-soft: rgba(255, 107, 0, 0.15);
  --color-data: #39FF14;
  --color-metal: #C0C0C0;
  --color-text: #F5F8FF;
  --color-text-muted: #A0B0C8;
  --color-warning: #FFD400;
  --color-border: rgba(192, 192, 192, 0.22);
  --font-heading: Impact, 'Arial Black', sans-serif;
  --font-body: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-data: 'Roboto Mono', 'Courier New', monospace;
  --container-max: 1280px;
  --container-pad: 24px;
  --header-h: 64px;
  --radius: 10px;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
  --shadow-accent: 0 0 24px rgba(255, 107, 0, 0.28);
  --nav-rail-space: 76px;
  --speed-fast: 0.2s;
  --speed-base: 0.35s;
  --ease: cubic-bezier(0.25, 0.6, 0.3, 1);
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg-primary);
  background-image:
    repeating-linear-gradient(-45deg, transparent 0, transparent 90px, rgba(192, 192, 192, 0.03) 90px, rgba(192, 192, 192, 0.03) 91px),
    repeating-linear-gradient(45deg, transparent 0, transparent 140px, rgba(255, 107, 0, 0.022) 140px, rgba(255, 107, 0, 0.022) 141px);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

body[data-nav-open] {
  overflow: hidden;
}

::selection {
  background: var(--color-accent);
  color: #071223;
}

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

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

a {
  color: var(--color-accent);
  transition: color var(--speed-fast) var(--ease);
}

a:hover {
  color: #FF8B33;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: 40px; }
h2 { font-size: 30px; }
h3 { font-size: 20px; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  top: -64px;
  left: 16px;
  z-index: 1000;
  padding: 10px 20px;
  background: var(--color-accent);
  color: #071223;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border-radius: 0 0 8px 8px;
  transition: top var(--speed-fast) var(--ease);
}

.skip-link:focus-visible {
  top: 0;
}

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

#main-content {
  min-height: 60vh;
  padding-block: 24px 56px;
}

.page-title {
  font-size: 38px;
  margin-bottom: 8px;
}

.page-lead {
  font-size: 17px;
  color: var(--color-text-muted);
  max-width: 70ch;
}

.site-header {
  position: relative;
  background: linear-gradient(135deg, #0B1E3A 0%, #1A3A6B 100%);
  border-bottom: 1px solid var(--color-border);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  z-index: 300;
  background: linear-gradient(90deg, var(--color-accent), var(--color-data));
  pointer-events: none;
}

.header-topbar {
  position: relative;
  z-index: 160;
}

.header-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: var(--header-h);
  padding-block: 10px;
}

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

.header-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #071223;
  background: var(--color-accent);
  transform: skewX(-8deg);
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  box-shadow: var(--shadow-accent);
  transition: transform var(--speed-fast) var(--ease), box-shadow var(--speed-fast) var(--ease);
}

.header-brand:hover .header-brand-mark {
  transform: skewX(-8deg) translateY(-2px);
  box-shadow: 0 0 32px rgba(255, 107, 0, 0.5);
}

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

.header-brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.header-brand-name {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 22px;
  line-height: 1.1;
  letter-spacing: 2px;
  text-transform: uppercase;
  transform: skewX(-5deg);
  white-space: nowrap;
  transition: color var(--speed-fast) var(--ease);
}

.header-brand-subtitle {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 0.5px;
  margin-top: 3px;
  white-space: nowrap;
}

.header-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.header-meta-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-data);
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.6);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(0.72); opacity: 0.55; }
}

.header-meta-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.4px;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 6px 12px 6px 8px;
  color: var(--color-text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color var(--speed-fast) var(--ease), background var(--speed-fast) var(--ease);
}

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

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

.nav-toggle-box {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 16px;
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--speed-fast) var(--ease), opacity var(--speed-fast) var(--ease);
}

.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: 13px;
}

.header-nav {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  width: 300px;
  max-width: 86vw;
  z-index: 150;
  background: var(--color-bg-card);
  border-right: 1px solid var(--color-border);
  padding: 76px 28px 32px;
  overflow-y: auto;
  transform: translateX(-100%);
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.3s var(--ease), visibility 0s linear 0.3s;
  box-shadow: 8px 0 40px rgba(0, 0, 0, 0.45);
}

.header-nav[data-open] {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
  transition: transform 0.3s var(--ease), visibility 0s;
}

.header-nav-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-link {
  display: block;
  padding: 14px 12px;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 17px;
  border-left: 3px solid transparent;
  transition: color var(--speed-fast) var(--ease), border-color var(--speed-fast) var(--ease), background var(--speed-fast) var(--ease);
}

.nav-link:hover {
  color: var(--color-accent);
  background: rgba(255, 107, 0, 0.06);
}

.nav-link[aria-current="page"] {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
  background: rgba(255, 107, 0, 0.08);
}

.nav-prompt {
  display: none;
}

.site-footer {
  position: relative;
  z-index: 10;
  background: var(--color-bg-card);
  border-top: 2px solid var(--color-accent);
  margin-top: 64px;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-block: 48px 40px;
}

.footer-brand-name {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 26px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-text);
  transform: skewX(-5deg);
}

.footer-tagline {
  margin-top: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--color-accent);
}

.footer-trust {
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--color-text-muted);
  border-left: 2px solid var(--color-accent);
  padding-left: 14px;
  max-width: 46ch;
}

.footer-heading {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 15px;
  letter-spacing: 2px;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(255, 107, 0, 0.6);
  transform: skewX(-5deg);
}

.footer-contact ul,
.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-contact li {
  position: relative;
  padding-left: 18px;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.footer-contact li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 7px;
  height: 7px;
  background: var(--color-accent);
  transform: rotate(45deg);
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--speed-fast) var(--ease), transform var(--speed-fast) var(--ease);
}

.footer-links a::before {
  content: "▸";
  color: var(--color-accent);
  font-size: 12px;
}

.footer-links a:hover {
  color: var(--color-accent);
  transform: translateX(3px);
}

.footer-bottom {
  background: var(--color-bg-deep);
  border-top: 1px solid rgba(192, 192, 192, 0.1);
  padding-block: 16px;
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border: none;
  border-radius: 4px;
  background: var(--color-accent);
  color: #071223;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-decoration: none;
  cursor: pointer;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  transition: transform var(--speed-fast) var(--ease), box-shadow var(--speed-fast) var(--ease), opacity var(--speed-fast) var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 107, 0, 0.3);
  color: #071223;
}

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

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  clip-path: none;
  border-radius: 6px;
}

.btn-secondary:hover {
  background: var(--color-accent-soft);
  box-shadow: none;
  color: var(--color-accent);
}

.breadcrumbs {
  padding-block: 16px;
}

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

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.breadcrumbs li + li::before {
  content: "";
  width: 12px;
  height: 1px;
  background: var(--color-accent);
  opacity: 0.6;
}

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

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

.breadcrumbs [aria-current="page"] {
  color: var(--color-accent);
  font-weight: 600;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.data-card {
  position: relative;
  background: linear-gradient(145deg, rgba(18, 42, 80, 0.55), rgba(7, 18, 35, 0.9));
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-card);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  transition: transform var(--speed-base) var(--ease), box-shadow var(--speed-base) var(--ease), border-color var(--speed-base) var(--ease);
}

.data-card:hover {
  transform: translateY(-4px) rotate(-0.4deg);
  box-shadow: 0 16px 48px rgba(255, 107, 0, 0.12), var(--shadow-card);
  border-color: rgba(255, 107, 0, 0.4);
}

.data-value {
  font-family: var(--font-data);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-data);
  text-shadow: 0 0 20px rgba(57, 255, 20, 0.25);
  font-variant-numeric: tabular-nums;
}

.section-heading {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.section-heading-title {
  font-size: 24px;
  margin: 0;
  transform: skewX(-5deg);
  letter-spacing: 2px;
}

.section-heading-num {
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
}

.image-container {
  position: relative;
  overflow: hidden;
  background:
    repeating-linear-gradient(-45deg, transparent 0 14px, rgba(192, 192, 192, 0.045) 14px 15px),
    linear-gradient(135deg, rgba(18, 42, 80, 0.55), rgba(7, 18, 35, 0.75));
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.image-container::before {
  content: "";
  display: block;
  padding-top: 56.25%;
}

.image-container > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.image-container--portrait::before { padding-top: 133.33%; }
.image-container--square::before { padding-top: 100%; }
.image-container--wide::before { padding-top: 42%; }

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-tabs] {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 24px;
}

[data-tab-target] {
  padding: 10px 18px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: color var(--speed-fast) var(--ease), border-color var(--speed-fast) var(--ease);
}

[data-tab-target]:hover {
  color: var(--color-text);
}

[data-tab-target].is-active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

@media (min-width: 768px) {
  body {
    padding-left: var(--nav-rail-space);
    background-image:
      linear-gradient(90deg, rgba(5, 13, 24, 0.92) 0, rgba(5, 13, 24, 0.92) var(--nav-rail-space), transparent var(--nav-rail-space)),
      linear-gradient(90deg, rgba(192, 192, 192, 0.1) calc(var(--nav-rail-space) - 1px), transparent calc(var(--nav-rail-space) - 1px)),
      repeating-linear-gradient(-45deg, transparent 0, transparent 90px, rgba(192, 192, 192, 0.03) 90px, rgba(192, 192, 192, 0.03) 91px),
      repeating-linear-gradient(45deg, transparent 0, transparent 140px, rgba(255, 107, 0, 0.022) 140px, rgba(255, 107, 0, 0.022) 141px);
  }

  body[data-nav-open] {
    overflow: unset;
  }

  .nav-toggle {
    display: none;
  }

  .header-nav {
    position: fixed;
    left: 12px;
    top: 50%;
    bottom: auto;
    width: auto;
    max-width: none;
    transform: translateY(-50%);
    visibility: visible;
    pointer-events: auto;
    background: rgba(7, 18, 35, 0.92);
    border: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 14px 6px;
    overflow: visible;
    transition: none;
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  .header-nav[data-open] {
    transform: translateY(-50%);
    visibility: visible;
    pointer-events: auto;
    transition: none;
  }

  .header-nav-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .nav-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .nav-item {
    line-height: 0;
  }

  .nav-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 46px;
    padding: 0;
    border-left: none;
    border-radius: 8px;
    font-size: 14px;
    text-align: center;
    line-height: 1.2;
    transition: color var(--speed-fast) var(--ease), background var(--speed-fast) var(--ease);
  }

  .nav-link:hover {
    color: var(--color-text);
    background: rgba(255, 107, 0, 0.12);
  }

  .nav-link[aria-current="page"] {
    color: var(--color-accent);
    border-left: none;
    background: rgba(255, 107, 0, 0.14);
    box-shadow: inset 3px 0 0 var(--color-accent);
  }

  .nav-prompt {
    display: block;
    writing-mode: vertical-rl;
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--color-text-muted);
    opacity: 0.65;
    margin-top: 6px;
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
  }

  .footer-grid {
    grid-template-columns: 1.3fr 1fr 0.85fr;
    gap: 40px;
  }
}

@media (min-width: 992px) {
  .content-grid {
    grid-template-columns: 260px minmax(0, 1fr);
  }
}

@media (max-width: 767.98px) {
  .header-brand-subtitle {
    display: none;
  }

  .header-meta-text {
    display: none;
  }

  .header-meta-dot {
    margin-right: 4px;
  }

  h1 { font-size: 30px; }
  h2 { font-size: 24px; }
  h3 { font-size: 18px; }
}

@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;
  }

  .header-meta-dot {
    animation: none;
  }

  .header-nav,
  .header-nav[data-open] {
    transition: none;
  }

  .data-card,
  .btn,
  .nav-link,
  .footer-links a {
    transition: none;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}