/* ===========================================================================
   The Alien Files Index . Design System
   Aesthetic: war.gov/UFO terminal readout. Monospace. Monochrome.
   No gradients. No glow. No rounded corners. No glassmorphism.
   =========================================================================== */

/* ---------- Tokens ---------- */
:root,
[data-theme='dark'] {
  /* Type scale (war.gov keeps everything small and uniform) */
  --text-xs: 11px;
  --text-sm: 12px;
  --text-base: 13px;
  --text-md: 14px;
  --text-lg: 16px;
  --text-xl: 20px;
  --text-2xl: 28px;
  --text-3xl: 40px;
  --text-hero: 56px;

  /* Spacing (4px) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;

  /* Surfaces . near-black, ever-so-slightly cool */
  --color-bg: #07080a;
  --color-bg-2: #0a0c0f;
  --color-surface: #0d1014;
  --color-surface-2: #11151a;
  --color-surface-offset: #161b22;
  --color-border: #1b2129;
  --color-border-strong: #2a3340;

  /* Text . pure greyscale */
  --color-text: #d6d8db;
  --color-text-strong: #ffffff;
  --color-text-muted: #8b9099;
  --color-text-faint: #565b64;
  --color-text-inverse: #07080a;

  /* The single accent: war.gov uses a muted indigo/cyan for active items */
  --color-accent: #5cc8ff;        /* HUD cyan, dimmed */
  --color-accent-deep: #2a7aa8;
  --color-warn: #c44545;          /* used very sparingly */

  /* Legacy aliases (kept so we don't break existing JS-injected classes) */
  --color-amber: var(--color-accent);
  --color-amber-soft: var(--color-accent);
  --color-amber-deep: var(--color-accent-deep);
  --color-cyan: var(--color-accent);
  --color-cyan-deep: var(--color-accent-deep);
  --color-redact: #c4b545;
  --color-classified: var(--color-warn);
  --color-acid: var(--color-accent);
  --color-acid-bright: var(--color-accent);
  --color-acid-deep: var(--color-accent-deep);
  --color-uv: var(--color-accent);

  /* No radii. Hard edges. */
  --radius-sm: 0;
  --radius-md: 0;
  --radius-lg: 0;

  /* No shadows. Borders only. */
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;

  --transition-interactive: 140ms linear;

  /* Fonts */
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-serif: 'Instrument Serif', 'Times New Roman', Georgia, serif;
  --font-sans: 'Inter', -apple-system, 'Helvetica Neue', sans-serif;
  --font-body: var(--font-mono);
  --font-display: var(--font-mono);

  /* Layout */
  --content-narrow: 720px;
  --content-default: 1080px;
  --content-wide: 1320px;
  --gutter: 32px;
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: geometricPrecision;
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  min-height: 100dvh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.55;
  overflow-x: hidden;
  letter-spacing: 0.01em;
}
img,
svg,
canvas {
  display: block;
  max-width: 100%;
}
a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-interactive);
}
a:hover {
  color: var(--color-text-strong);
}
button {
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
}
:focus-visible {
  outline: 1px solid var(--color-accent);
  outline-offset: 2px;
}
::selection {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.container {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-12));
}

/* ---------- Subtle scanline only (no grain bloom) ---------- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  background-image: repeating-linear-gradient(
    180deg,
    rgba(255, 255, 255, 0) 0,
    rgba(255, 255, 255, 0) 2px,
    rgba(255, 255, 255, 0.012) 3px,
    rgba(255, 255, 255, 0) 4px
  );
}

/* ===========================================================================
   TOPBAR  -  three-column terminal readout (brand | nav | clock)
   =========================================================================== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.topbar-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-5) clamp(var(--space-4), 4vw, var(--space-12));
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr);
  gap: var(--space-8);
  align-items: start;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Brand block (left col) */
.brand {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
}
.brand:hover {
  color: var(--color-text-strong);
}
.brand-mark {
  color: var(--color-text);
  margin-top: 2px;
  flex-shrink: 0;
}
.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.35;
}
.brand-title {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 400;
}

/* Nav (center col)  -  vertical list, war.gov style with > cursor */
.topnav {
  display: grid;
  grid-template-columns: repeat(2, max-content);
  column-gap: var(--space-12);
  row-gap: 4px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  align-self: start;
}
.topnav a {
  color: var(--color-text-muted);
  padding: 0;
  position: relative;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.topnav a::before {
  content: '';
  display: inline-block;
  width: 10px;
  color: var(--color-accent);
  font-weight: 500;
}
.topnav a:hover,
.topnav a.is-active {
  color: var(--color-text-strong);
}
.topnav a:hover::before,
.topnav a.is-active::before {
  content: '>';
}

/* Clock + coords (right col) */
.topbar-clock {
  text-align: right;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-self: start;
}
.topbar-clock span:first-child {
  color: var(--color-text);
}

@media (max-width: 900px) {
  .topbar-inner {
    grid-template-columns: 1fr auto;
    gap: var(--space-4);
  }
  .topbar-clock {
    display: none;
  }
  .topnav {
    grid-template-columns: 1fr;
    column-gap: var(--space-4);
  }
  .brand-sub {
    display: none;
  }
}

/* Removed ticker visually  -  keep markup but hide */
.ticker {
  display: none;
}

/* ===========================================================================
   HERO
   =========================================================================== */
.hero {
  position: relative;
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
  border-bottom: 1px solid var(--color-border);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: var(--space-12);
  max-width: var(--content-wide);
  margin: 0 auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-12));
  align-items: center;
}
@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px var(--space-3);
  border: 1px solid var(--color-border-strong);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: transparent;
}
.kicker .dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 0;
}

.hero-title {
  margin-top: var(--space-6);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-text-strong);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-title .serif,
.hero-title .italic {
  font-family: var(--font-mono);
  font-style: normal;
  color: inherit;
  margin-left: 0;
  background: none;
  -webkit-text-fill-color: currentColor;
  filter: none;
}
.hero-title .italic {
  color: var(--color-text-muted);
}

.hero-lede {
  margin-top: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--text-md);
  color: var(--color-text-muted);
  max-width: 56ch;
  line-height: 1.6;
}
.hero-lede strong {
  color: var(--color-text-strong);
  font-weight: 500;
}

.hero-stats {
  margin-top: var(--space-8);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
  max-width: 520px;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-4);
}
.stat {
  border-left: none;
  padding-left: 0;
  position: relative;
}
.stat::before {
  display: none;
}
.stat-num {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text-strong);
  line-height: 1;
}
.stat-lbl {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
}

.hero-cta {
  margin-top: var(--space-8);
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  border: 1px solid var(--color-border-strong);
  background: transparent;
  color: var(--color-text);
  transition: all var(--transition-interactive);
  text-decoration: none;
}
.btn svg {
  width: 14px;
  height: 14px;
}
.btn:hover {
  border-color: var(--color-text-strong);
  color: var(--color-text-strong);
}
.btn-primary {
  background: var(--color-text-strong);
  color: var(--color-text-inverse);
  border-color: var(--color-text-strong);
}
.btn-primary:hover {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}
.btn-ghost {
  background: transparent;
}
.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.legend {
  margin-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
}
.legend span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.legend .dot {
  width: 6px;
  height: 6px;
  border-radius: 0;
}
.dot-fbi   { background: #c4b545; }
.dot-dow   { background: #c8c8c8; }
.dot-state { background: var(--color-accent); }
.dot-nasa  { background: #9d8bbf; }
.dot-off   { background: var(--color-text-strong); outline: 1px solid var(--color-accent); outline-offset: 2px; }

/* ===========================================================================
   GLOBE
   =========================================================================== */
.globe-wrap {
  position: relative;
  aspect-ratio: 1;
  width: 100%;
  max-width: 640px;
  margin-inline: auto;
  border: 1px solid var(--color-border);
  background: var(--color-bg-2);
  overflow: hidden;
}
#globe-canvas {
  position: absolute;
  inset: 0;
}
.globe-hud {
  position: absolute;
  inset: var(--space-4);
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 2;
}
.hud-line {
  display: flex;
  justify-content: space-between;
}
.hud-line:nth-child(2) {
  align-self: flex-end;
}
.hud-line:nth-child(3) {
  align-self: center;
  color: var(--color-text-faint);
}
/* removed crosshair pseudo elements */
.globe-wrap::before,
.globe-wrap::after {
  display: none;
}

.orbit-tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  z-index: 5;
  transform: translate(12px, 12px);
  max-width: 240px;
  white-space: normal;
}
.orbit-tooltip strong {
  display: block;
  color: var(--color-text-strong);
  margin-bottom: 2px;
  font-weight: 500;
}

/* ===========================================================================
   SECTIONS
   =========================================================================== */
section {
  position: relative;
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}
.section-head {
  margin-bottom: var(--space-10);
  max-width: 760px;
}
.section-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.18em;
  display: inline-block;
  border: none;
  padding: 0;
  margin-bottom: var(--space-3);
  background: none;
  text-transform: uppercase;
}
.section-num::before {
  content: '> ';
  color: var(--color-accent);
}
.section-title {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-2xl);
  line-height: 1.2;
  color: var(--color-text-strong);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.section-sub {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--text-md);
  max-width: 72ch;
  line-height: 1.6;
}
.section-sub em {
  color: var(--color-text-strong);
  font-style: normal;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ===========================================================================
   SEARCH
   =========================================================================== */
.search-section {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}
.search-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  padding: 12px var(--space-4);
  transition: border-color var(--transition-interactive);
}
.search-bar:focus-within {
  border-color: var(--color-accent);
}
.search-bar .search-icon {
  width: 16px;
  height: 16px;
  color: var(--color-text-muted);
  flex-shrink: 0;
}
.search-bar input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: var(--text-md);
  letter-spacing: 0.02em;
}
.search-bar input::placeholder {
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: var(--text-sm);
}
.search-bar kbd {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  padding: 2px 8px;
  color: var(--color-text-muted);
}

.chip {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 4px 10px;
  margin: 2px 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: all var(--transition-interactive);
}
.chip:hover {
  color: var(--color-text-strong);
  border-color: var(--color-accent);
}

.filters {
  margin-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.filter {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 8px var(--space-4);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: transparent;
  transition: all var(--transition-interactive);
}
.filter span {
  margin-left: var(--space-2);
  opacity: 0.6;
}
.filter:hover {
  color: var(--color-text-strong);
  border-color: var(--color-border-strong);
}
.filter.active {
  background: var(--color-text-strong);
  border-color: var(--color-text-strong);
  color: var(--color-text-inverse);
}

/* ===========================================================================
   RESULTS GRID
   =========================================================================== */
.results {
  margin-top: var(--space-6);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 0;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}
.result-card {
  background: transparent;
  border: 0;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-5);
  cursor: pointer;
  position: relative;
  transition: background var(--transition-interactive);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  text-align: left;
  width: 100%;
  overflow: hidden;
}
.result-card::before {
  display: none;
}
.result-card:hover {
  background: var(--color-surface);
  transform: none;
  box-shadow: none;
}
.result-card:hover h3 {
  color: var(--color-accent);
}
.result-card .meta-row {
  display: flex;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  align-items: center;
  flex-wrap: wrap;
}
.tag {
  padding: 2px 8px;
  border-radius: 0;
  background: transparent;
  border: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.tag-fbi   { color: #c4b545; border-color: rgba(196, 181, 69, 0.4); }
.tag-dow   { color: var(--color-text-strong); border-color: var(--color-border-strong); }
.tag-state { color: var(--color-accent); border-color: rgba(92, 200, 255, 0.4); }
.tag-nasa  { color: #b8a4d6; border-color: rgba(184, 164, 214, 0.4); }
.result-card h3 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-md);
  color: var(--color-text-strong);
  line-height: 1.35;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: color var(--transition-interactive);
}
.result-card p {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}
.result-card .pills {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: auto;
}
.result-card .pill {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: 2px 8px;
  border-radius: 0;
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  letter-spacing: 0.04em;
}
.result-card mark {
  background: rgba(92, 200, 255, 0.2);
  color: var(--color-text-strong);
  padding: 0 2px;
}
.results-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-16) var(--space-4);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
}

/* ===========================================================================
   FEATURED DOC
   =========================================================================== */
.feature-section {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}
.feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 0;
  align-items: start;
  border: 1px solid var(--color-border);
}
@media (max-width: 1080px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}
.feature-doc {
  background: var(--color-bg);
  border: 0;
  border-right: 1px solid var(--color-border);
  padding: var(--space-8);
  position: relative;
}
@media (max-width: 1080px) {
  .feature-doc {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }
}
.feature-doc::before {
  display: none;
}
.feature-meta {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-5);
  margin-bottom: var(--space-6);
}
.stamp {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  border: 1px solid var(--color-warn);
  color: var(--color-warn);
  padding: 4px 10px;
  border-radius: 0;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
  transform: none;
}
.feature-meta dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.feature-meta dt {
  color: var(--color-text-faint);
  text-transform: uppercase;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  padding-top: 2px;
}
.feature-meta dd {
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: var(--text-xs);
}

.feature-body {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-text);
  max-width: 72ch;
  letter-spacing: 0.02em;
}
.feature-body h1,
.feature-body h2,
.feature-body h3 {
  font-family: var(--font-mono);
  font-weight: 500;
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
  color: var(--color-text-strong);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.feature-body h2 { font-size: var(--text-lg); }
.feature-body h3 { font-size: var(--text-md); }
.feature-body p {
  margin-bottom: var(--space-4);
  max-width: 72ch;
}
.feature-body em { font-style: normal; color: var(--color-text-strong); }
.feature-body strong { color: var(--color-text-strong); font-weight: 500; }
.feature-body hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-6) 0;
}
.feature-body .page-mark {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  display: inline-block;
  padding: 0 var(--space-2);
  margin: 0 4px;
  border: 1px solid var(--color-border);
  border-radius: 0;
  vertical-align: middle;
}
.feature-body .frontmatter {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: var(--color-bg-2);
  border-left: 2px solid var(--color-accent);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
  white-space: pre-wrap;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.feature-foot {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.feature-side {
  background: var(--color-bg-2);
  padding: var(--space-8);
}
.feature-side h3 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-xs);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.feature-side h3:first-child {
  margin-top: 0;
}
.feature-side h3::before {
  content: '> ';
  color: var(--color-accent);
}
.feature-side p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.65;
}
.feature-side em {
  color: var(--color-text-strong);
  font-style: normal;
}
.feature-side ol {
  padding-left: var(--space-5);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}
.feature-side ol li {
  margin-bottom: var(--space-2);
}
.feature-side strong {
  color: var(--color-text-strong);
}
.feature-side blockquote {
  border-left: 2px solid var(--color-accent);
  padding: var(--space-4) var(--space-5);
  margin-block: var(--space-4);
  font-family: var(--font-mono);
  font-style: normal;
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-bg);
  letter-spacing: 0.02em;
}

/* ===========================================================================
   ABOUT
   =========================================================================== */
.about-section {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}
.about-card {
  background: transparent;
  border: 0;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-6);
  position: relative;
  transition: background var(--transition-interactive);
}
.about-card::after {
  display: none;
}
.about-card:hover {
  background: var(--color-surface);
  transform: none;
  border-color: var(--color-border);
  border-right-color: var(--color-border);
  border-bottom-color: var(--color-border);
}
.card-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.18em;
  margin-bottom: var(--space-3);
}
.card-num::before {
  content: '> ';
  color: var(--color-accent);
}
.about-card h3 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-md);
  margin-bottom: var(--space-3);
  color: var(--color-text-strong);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.about-card p {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}
.about-card a {
  color: var(--color-accent);
}

.about-tech {
  margin-top: var(--space-12);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-8);
}
.about-tech h3 {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.tech-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}
.tech-list li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: transparent;
  border: 0;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}
.tech-list li > span:first-child {
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
}
.tech-list li > span:last-child {
  color: var(--color-text);
  text-align: right;
}
.tech-list code {
  font-family: var(--font-mono);
  background: transparent;
  padding: 0;
  color: var(--color-text-strong);
}

.about-foot {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 80ch;
  line-height: 1.7;
}
.about-foot strong {
  color: var(--color-text-strong);
  font-weight: 500;
}

/* ===========================================================================
   FOOTER  -  war.gov style three-column quote/credit
   =========================================================================== */
.site-foot {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-10);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  font-size: var(--text-xs);
  text-transform: uppercase;
  background: var(--color-bg);
}
.site-foot .container {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: var(--space-6);
  align-items: start;
}
.site-foot p {
  max-width: none;
  margin: 0;
}
.site-foot p:first-child {
  text-align: left;
  color: var(--color-text);
}
.site-foot .muted {
  text-align: right;
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
}
@media (max-width: 720px) {
  .site-foot .container {
    grid-template-columns: 1fr;
    text-align: left;
  }
  .site-foot .muted {
    text-align: left;
  }
}

/* ===========================================================================
   MODAL
   =========================================================================== */
.file-modal {
  border: 1px solid var(--color-border-strong);
  background: var(--color-bg);
  color: var(--color-text);
  padding: 0;
  border-radius: 0;
  max-width: 880px;
  width: calc(100vw - var(--space-8));
  max-height: calc(100dvh - var(--space-8));
  overflow: hidden;
  position: relative;
}
.file-modal::backdrop {
  background: rgba(0, 0, 0, 0.85);
}
.modal-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0;
  color: var(--color-text-muted);
  z-index: 5;
  background: transparent;
  border: 1px solid var(--color-border);
  transition: all var(--transition-interactive);
}
.modal-close:hover {
  color: var(--color-text-strong);
  border-color: var(--color-text-strong);
}
.modal-close svg {
  width: 16px;
  height: 16px;
}
#modal-body {
  padding: var(--space-8);
  overflow-y: auto;
  max-height: calc(100dvh - var(--space-8));
  font-family: var(--font-mono);
}
#modal-body .modal-stamp {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.16em;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  padding: 3px 8px;
  border-radius: 0;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}
#modal-body h2 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-lg);
  line-height: 1.3;
  color: var(--color-text-strong);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
#modal-body .modal-meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}
#modal-body .modal-summary {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: var(--text-md);
  color: var(--color-text);
  border-left: 2px solid var(--color-accent);
  padding-left: var(--space-4);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}
#modal-body section.detail-section {
  margin-bottom: var(--space-5);
  padding-block: 0;
}
#modal-body section.detail-section h3 {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
#modal-body section.detail-section h3::before {
  content: '> ';
  color: var(--color-accent);
}
#modal-body ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
#modal-body li {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  background: transparent;
  border: 1px solid var(--color-border);
  padding: 4px 10px;
  border-radius: 0;
  color: var(--color-text);
  max-width: 100%;
  letter-spacing: 0.04em;
}
#modal-body .quotes {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
#modal-body .quote {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: var(--text-sm);
  line-height: 1.6;
  background: var(--color-bg-2);
  border-left: 2px solid var(--color-accent);
  padding: var(--space-3) var(--space-4);
  border-radius: 0;
  color: var(--color-text);
  letter-spacing: 0.02em;
}
#modal-body .modal-foot {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* ---------- Misc ---------- */
.loading {
  font-family: var(--font-mono);
  color: var(--color-text-faint);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===========================================================================
   ADDITIONS (additive only — does not modify any existing rules)
   - .topbar-x         : X social icon in topbar
   - .contract-section : section 05 (CA card)
   =========================================================================== */

/* Right cluster: X icon + clock (3rd grid column on desktop) */
.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  justify-self: end;
  align-self: start;
}
.topbar-x {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.12s ease, border-color 0.12s ease, background 0.12s ease;
  flex-shrink: 0;
}
.topbar-x:hover {
  color: var(--color-text-strong);
  border-color: var(--color-border-strong);
  background: var(--color-surface-2);
}
.topbar-x:focus-visible {
  outline: 1px solid var(--color-accent);
  outline-offset: 2px;
}

/* Mobile: brand + X on row 1, nav as scrollable row 2 */
@media (max-width: 900px) {
  .topbar-inner {
    grid-template-columns: 1fr auto !important;
    grid-template-rows: auto auto;
    row-gap: var(--space-3);
  }
  .brand {
    grid-column: 1 / 2;
    grid-row: 1;
  }
  .topbar-right {
    grid-column: 2 / 3;
    grid-row: 1;
  }
  .topnav {
    grid-column: 1 / -1 !important;
    grid-row: 2;
    display: flex !important;
    flex-wrap: nowrap;
    gap: var(--space-5) !important;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-top: var(--space-2);
    border-top: 1px solid var(--color-border);
    scrollbar-width: none;
  }
  .topnav::-webkit-scrollbar { display: none; }
  .topnav a { white-space: nowrap; flex-shrink: 0; }
}
@media (max-width: 540px) {
  .topbar-x { width: 28px; height: 28px; }
}

.contract-section {
  padding: var(--space-20) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-2);
}
.contract-card {
  margin-top: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-6);
  font-family: 'JetBrains Mono', monospace;
}
.contract-row {
  display: flex;
  align-items: stretch;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.contract-label {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-3);
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  color: var(--color-accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  flex-shrink: 0;
}
.contract-input {
  flex: 1 1 240px;
  min-width: 0;
  background: var(--color-bg);
  color: var(--color-text-strong);
  border: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  width: 100%;
}
@media (max-width: 540px) {
  .contract-row { flex-direction: column; align-items: stretch; }
  .contract-label { align-self: flex-start; padding: var(--space-2) var(--space-3); }
  .contract-copy { align-self: flex-start; }
  .contract-card { padding: var(--space-4); }
}
.contract-input:focus { outline: 1px solid var(--color-accent); outline-offset: -1px; }
.contract-copy {
  background: var(--color-text-strong);
  color: var(--color-text-inverse);
  border: 1px solid var(--color-text-strong);
  padding: var(--space-3) var(--space-5);
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease;
  flex-shrink: 0;
}
.contract-copy:hover { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-text-inverse); }
.contract-copy.copied { background: #2e8b3e; border-color: #2e8b3e; color: #fff; }

.contract-meta {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
}
.contract-actions {
  margin-top: var(--space-6);
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.foot-ca {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
  margin-top: var(--space-2);
  word-break: break-all;
}