/* ============================================================
   NEO RADAR — design tokens & shared styles
   Dark/Cinematic. Space Grotesk display, Inter body.
   ============================================================ */

/* cyrillic-ext */
/* cyrillic */
/* greek-ext */
/* greek */
/* vietnamese */
/* latin-ext */
/* latin */
/* cyrillic-ext */
/* cyrillic */
/* greek-ext */
/* greek */
/* vietnamese */
/* latin-ext */
/* latin */
/* cyrillic-ext */
/* cyrillic */
/* greek-ext */
/* greek */
/* vietnamese */
/* latin-ext */
/* latin */
/* cyrillic-ext */
/* cyrillic */
/* greek-ext */
/* greek */
/* vietnamese */
/* latin-ext */
/* latin */
/* cyrillic-ext */
/* cyrillic */
/* greek */
/* vietnamese */
/* latin-ext */
/* latin */
/* cyrillic-ext */
/* cyrillic */
/* greek */
/* vietnamese */
/* latin-ext */
/* latin */
/* vietnamese */
/* latin-ext */
/* latin */
/* vietnamese */
/* latin-ext */
/* latin */
/* vietnamese */
/* latin-ext */
/* latin */
/* vietnamese */
/* latin-ext */
/* latin */
:root {
  /* color */
  --bg:           #050508;
  --bg-1:         #0a0a12;
  --bg-2:         #10101c;
  --panel:        rgba(18, 20, 32, 0.62);
  --panel-solid:  #0e0f1a;
  --line:         rgba(255, 255, 255, 0.07);
  --line-strong:  rgba(255, 255, 255, 0.14);

  --ink:          #f0f4ff;
  --ink-2:        #c5cad8;
  --ink-3:        #8a90a3;
  --ink-4:        #5a6175;
  --ink-5:        #3a3f50;

  --cobalt:       #1a6cf6;
  --cobalt-soft:  #4f8fff;
  --cobalt-glow:  rgba(26, 108, 246, 0.45);

  --amber:        #ff6b2b;
  --amber-soft:   #ff8a55;
  --amber-glow:   rgba(255, 107, 43, 0.40);

  --green:        #2fd07a;
  --yellow:       #f5c542;
  --red:          #ff3b50;

  /* type */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  /* radius */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'ss01', 'cv11';
}

/* selection */
::selection { background: var(--cobalt); color: white; }

/* ---------------------------------------------------------
   Background — space, parallax stars, faint vignette
   --------------------------------------------------------- */
.space-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: #04040a;
  pointer-events: none;
}
.space-bg::before, .space-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,0.7), transparent 50%),
    radial-gradient(1px 1px at 65% 70%, rgba(255,255,255,0.5), transparent 50%),
    radial-gradient(1px 1px at 80% 20%, rgba(255,255,255,0.8), transparent 50%),
    radial-gradient(1px 1px at 35% 85%, rgba(255,255,255,0.4), transparent 50%),
    radial-gradient(1px 1px at 50% 50%, rgba(255,255,255,0.6), transparent 50%),
    radial-gradient(1px 1px at 90% 60%, rgba(255,255,255,0.5), transparent 50%),
    radial-gradient(1.5px 1.5px at 12% 60%, rgba(200,220,255,0.7), transparent 50%),
    radial-gradient(1px 1px at 70% 40%, rgba(255,255,255,0.4), transparent 50%);
  background-size: 800px 600px;
  background-repeat: repeat;
  animation: drift 240s linear infinite;
  opacity: 0.65;
}
.space-bg::after {
  background-size: 1200px 900px;
  animation-duration: 360s;
  animation-direction: reverse;
  opacity: 0.35;
}
@keyframes drift {
  from { transform: translate3d(0,0,0); }
  to   { transform: translate3d(-400px, -300px, 0); }
}

/* a subtle grid for technical pages */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

/* ---------------------------------------------------------
   Top bar (shared across pages)
   --------------------------------------------------------- */
.nav {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 40px;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
  background: linear-gradient(180deg, rgba(5,5,8,0.7), rgba(5,5,8,0.2));
}
.nav .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}
.nav .brand .mark {
  width: 28px;
  height: 28px;
  color: var(--ink);
}
.nav .brand .name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.nav .brand .sub {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-4);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding-left: 12px;
  margin-left: 8px;
  border-left: 1px solid var(--line);
}
.nav .links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav .links a {
  font-size: 13px;
  color: var(--ink-3);
  text-decoration: none;
  transition: color 160ms;
}
.nav .links a:hover { color: var(--ink); }
.nav .links a.active { color: var(--ink); }
.nav .right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* live indicator */
.live-dot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.live-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(47, 208, 122, 0.6);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(47, 208, 122, 0.5); }
  70%  { box-shadow: 0 0 0 10px rgba(47, 208, 122, 0); }
  100% { box-shadow: 0 0 0 0 rgba(47, 208, 122, 0); }
}

/* ---------------------------------------------------------
   Buttons
   --------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 44px;
  padding: 0 22px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: -0.005em;
  text-decoration: none;
  cursor: pointer;
  transition: all 200ms ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink);
  color: var(--bg);
}
.btn-primary:hover { background: white; transform: translateY(-1px); box-shadow: 0 10px 30px rgba(240, 244, 255, 0.12); }
.btn-ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.3); background: rgba(255,255,255,0.03); }
.btn-cobalt {
  background: var(--cobalt);
  color: white;
  box-shadow: 0 0 0 0 var(--cobalt-glow);
}
.btn-cobalt:hover { background: var(--cobalt-soft); box-shadow: 0 10px 30px var(--cobalt-glow); }

.btn .arrow { transition: transform 200ms; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------------------------------------------------------
   Cards & glass
   --------------------------------------------------------- */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.card-solid {
  background: var(--panel-solid);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

/* ---------------------------------------------------------
   Typography helpers
   --------------------------------------------------------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.editorial {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.02;
}
.mono { font-family: var(--font-mono); font-feature-settings: 'tnum', 'zero'; }
.num  { font-variant-numeric: tabular-nums; font-feature-settings: 'tnum'; }

/* ---------------------------------------------------------
   Risk badges
   --------------------------------------------------------- */
.risk {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 22px;
  padding: 0 10px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid var(--line);
}
.risk::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}
.risk.safe     { color: var(--green); }
.risk.monitor  { color: #6fb4ff; }
.risk.caution  { color: var(--yellow); }
.risk.hazard   { color: var(--amber); border-color: rgba(255,107,43,0.3); }

/* ---------------------------------------------------------
   JPL Badge
   --------------------------------------------------------- */
.jpl-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(10, 12, 22, 0.6);
  backdrop-filter: blur(8px);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.jpl-badge .seal {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1px solid var(--cobalt);
  display: grid; place-items: center;
  color: var(--cobalt-soft);
  font-size: 9px;
  font-weight: 600;
  position: relative;
}
.jpl-badge .seal::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1px solid rgba(26,108,246,0.25);
}
.jpl-badge.subtle {
  padding: 5px 11px;
  background: transparent;
  border-color: var(--line);
  color: var(--ink-3);
  font-size: 10px;
  letter-spacing: 0.18em;
}

/* ---------------------------------------------------------
   Section + page chrome
   --------------------------------------------------------- */
.section {
  position: relative;
  z-index: 1;
  padding: 120px 40px;
  max-width: 1320px;
  margin: 0 auto;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.025em;
  font-size: 48px;
  line-height: 1.05;
  margin: 0 0 16px;
}
.section-lede {
  font-size: 17px;
  color: var(--ink-3);
  max-width: 620px;
  margin: 0;
}

/* ---------------------------------------------------------
   Footer
   --------------------------------------------------------- */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  color: var(--ink-4);
  font-size: 12.5px;
}
.footer .links { display: flex; gap: 28px; }
.footer a { color: var(--ink-3); text-decoration: none; }
.footer a:hover { color: var(--ink); }
.footer .credit {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ---------------------------------------------------------
   Utility
   --------------------------------------------------------- */
.kbd {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--line-strong);
  background: rgba(255,255,255,0.04);
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-2);
}
.divider {
  height: 1px;
  background: var(--line);
  margin: 24px 0;
}
.hr-vertical {
  width: 1px;
  background: var(--line);
}

/* hide scrollbars on horizontal scrollers but keep functionality */
.no-scrollbar { scrollbar-width: none; }
.no-scrollbar::-webkit-scrollbar { display: none; }

/* =============================================================
   LANDING PAGE — index.ejs specific styles
   ============================================================= */
body { overflow-x: hidden; }

/* hero */
.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  padding: 0 40px;
  z-index: 1;
}

/* seamless looping video background */
.hero-video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background: #04040a;
}
.hero-video-wrap video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 600ms ease-in-out;
  will-change: opacity;
}
.hero-video-wrap video.front { opacity: 1; }
.hero-video-wrap video.back  { opacity: 0; }

/* dark scrim */
.hero-video-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(4,4,10,0.75) 0%, rgba(4,4,10,0.45) 35%, rgba(4,4,10,0.10) 60%, rgba(4,4,10,0) 100%),
    radial-gradient(ellipse 120% 80% at 50% 100%, rgba(4,4,10,0.5), transparent 60%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1320px;
  margin: 0 auto;
  padding-top: 80px;
  padding-bottom: 80px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.6fr);
  gap: 64px;
  align-items: center;
  min-height: calc(100vh - 80px);
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.98;
  font-size: clamp(48px, 6.6vw, 96px);
  margin: 24px 0 28px;
  color: var(--ink);
}
.hero h1 .num-large {
  font-family: var(--font-display);
  font-weight: 600;
  background: linear-gradient(180deg, #ffffff 0%, #a8c0ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-feature-settings: 'tnum';
}
.hero h1 .accent {
  color: var(--ink-3);
  font-weight: 400;
}
.hero-lede {
  max-width: 540px;
  font-size: 18px;
  color: var(--ink-2);
  line-height: 1.55;
  margin: 0 0 36px;
}
.hero .ctas { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-eyebrow-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 0;
}

/* right column data card */
.hero-data {
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
}
.hero-data .hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.hero-data .hdr .ttl {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.hero-data .now {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-4);
}
.hero-data .figure {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 64px;
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.hero-data .figure .unit {
  font-size: 16px;
  color: var(--ink-3);
  margin-left: 8px;
  letter-spacing: 0;
}
.hero-data .row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 14px;
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-size: 13px;
}
.hero-data .row:first-of-type { border-top: none; padding-top: 0; }
.hero-data .row .lbl {
  color: var(--ink-2);
  font-weight: 500;
}
.hero-data .row .designation {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-4);
  margin-top: 2px;
}
.hero-data .row .dist {
  font-family: var(--font-mono);
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
}

/* threat strip */
.threat-strip-wrap {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(8, 8, 14, 0.6);
  backdrop-filter: blur(10px);
  overflow: hidden;
}
.threat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 40px;
  border-bottom: 1px solid var(--line);
}
.threat-header .ttl {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.threat-scroll {
  display: flex;
  overflow-x: auto;
  padding: 18px 40px;
  gap: 0;
  scroll-snap-type: x mandatory;
}
.threat-card {
  flex: 0 0 auto;
  width: 280px;
  padding: 0 28px 0 0;
  margin-right: 28px;
  border-right: 1px solid var(--line);
  scroll-snap-align: start;
}
.threat-card:last-child { border-right: none; }
.threat-card .name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}
.threat-card .desig {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-4);
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}
.threat-card .grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
}
.threat-card .grid .k {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 2px;
}
.threat-card .grid .v {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.threat-card .grid .v small {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-3);
  font-weight: 400;
  margin-left: 3px;
  letter-spacing: 0;
}
.threat-card .footer-row {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 14px;
}
.threat-card .date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
}

/* features */
.features {
  position: relative;
  z-index: 1;
  max-width: 1320px;
  margin: 0 auto;
  padding: 140px 40px 80px;
}
.features-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: end;
  margin-bottom: 64px;
}
.features-head h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(36px, 4vw, 56px);
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin: 16px 0 0;
}
.features-head .desc {
  font-size: 16px;
  color: var(--ink-3);
  margin: 0;
  line-height: 1.6;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature {
  padding: 32px;
  display: flex; flex-direction: column;
  gap: 16px;
  min-height: 380px;
  position: relative;
  overflow: hidden;
}
.feature .visual {
  height: 160px;
  position: relative;
  margin: 4px -8px 12px;
  border-radius: 8px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% 50%, rgba(26,108,246,0.10), transparent 70%);
}
.feature .visual svg { width: 100%; height: 100%; }
.feature .num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--ink-4);
}
.feature h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.02em;
  margin: 0;
}
.feature p {
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.55;
  margin: 0;
}
.feature .tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.feature .tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid var(--line);
}

/* accuracy section */
.accuracy {
  position: relative;
  z-index: 1;
  max-width: 1320px;
  margin: 0 auto;
  padding: 100px 40px;
}
.accuracy-inner {
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: linear-gradient(180deg, rgba(18,20,32,0.6), rgba(10,10,18,0.4));
  padding: 56px;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: center;
}
.accuracy h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 44px;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 14px 0 18px;
}
.accuracy p {
  color: var(--ink-3);
  font-size: 15.5px;
  margin: 0 0 24px;
  line-height: 1.6;
}

.compare {
  display: flex; flex-direction: column;
  gap: 14px;
}
.compare-row {
  display: grid;
  grid-template-columns: 130px 1fr 90px;
  align-items: center;
  gap: 16px;
}
.compare-row .lbl {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.compare-row .bar {
  height: 6px;
  border-radius: 3px;
  background: rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
}
.compare-row .bar .fill {
  position: absolute;
  inset: 0 auto 0 0;
  border-radius: 3px;
}
.compare-row.jpl .bar .fill { width: 99.4%; background: linear-gradient(90deg, var(--cobalt) 0%, var(--cobalt-soft) 100%); box-shadow: 0 0 12px var(--cobalt-glow); }
.compare-row.kep .bar .fill { width: 78%;   background: rgba(255,255,255,0.35); }
.compare-row.two .bar .fill { width: 52%;   background: rgba(255,255,255,0.22); }
.compare-row .val {
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--ink-2);
}
.compare-row.jpl .val { color: var(--cobalt-soft); }

.accuracy .stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}
.accuracy .stat {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(8,10,18,0.5);
}
.accuracy .stat .k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 8px;
}
.accuracy .stat .v {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

/* existing responsive */
@media (max-width: 1100px) {
  .hero-inner        { grid-template-columns: 1fr; }
  .features-head     { grid-template-columns: 1fr; gap: 24px; }
  .feature-grid      { grid-template-columns: 1fr; }
  .accuracy-inner    { grid-template-columns: 1fr; padding: 32px; gap: 32px; }
}

/* =============================================================
   RESPONSIVE — Mobile additions
   Desktop layout (≥1024px) is intentionally untouched.
   All rules below ADD to smaller screens only.
   ============================================================= */

/* ── Hamburger button ──────────────────────────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5.5px;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}
.nav-hamburger span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink-2);
  border-radius: 1px;
  transition: transform 240ms ease, opacity 200ms ease;
  transform-origin: center;
}
.nav-hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile backdrop ───────────────────────────────────────── */
.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 45;
  background: rgba(4, 4, 10, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 280ms ease;
}
.nav-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

/* ── Mobile drawer ─────────────────────────────────────────── */
.nav-drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  z-index: 50;
  width: min(300px, 85vw);
  background: rgba(8, 9, 16, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-left: 1px solid var(--line);
  padding: 20px 20px max(24px, env(safe-area-inset-bottom));
  padding-right: max(20px, env(safe-area-inset-right));
  display: flex;
  flex-direction: column;
  gap: 24px;
  transform: translateX(100%);
  transition: transform 300ms cubic-bezier(0.32, 0.72, 0, 1);
}
.nav-drawer.open { transform: translateX(0); }
.nav-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-drawer-close-btn {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  color: var(--ink-3);
  cursor: pointer;
  transition: all 160ms;
}
.nav-drawer-close-btn:hover { color: var(--ink); border-color: var(--line-strong); }
.nav-drawer-links {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}
.nav-drawer-links a {
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 0 16px;
  border-radius: var(--r-md);
  font-size: 16px;
  color: var(--ink-2);
  text-decoration: none;
  transition: all 160ms;
  border: 1px solid transparent;
}
.nav-drawer-links a:hover,
.nav-drawer-links a.active { color: var(--ink); background: rgba(255,255,255,0.035); }
.nav-drawer-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  border-radius: var(--r-md);
  background: var(--cobalt);
  color: white;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  gap: 10px;
  transition: background 200ms;
}
.nav-drawer-cta:hover { background: var(--cobalt-soft); }

/* ── Show hamburger, hide desktop nav items at ≤767px ──────── */
@media (max-width: 767px) {
  .nav-hamburger { display: flex; }
  .nav-backdrop  { display: block; }
  .nav .links    { display: none !important; }
  .nav .right    { display: none !important; }
  .nav           { padding: 12px 16px; }
  .nav .brand .sub { display: none; }

  /* Mobile video: use poster, skip autoplay to save bandwidth */
  .hero-video-wrap video { display: none; }
  .hero-video-wrap {
    background-image: url('/assets/asteroid-poster.png');
    background-size: cover;
    background-position: center 30%;
  }

  /* Hero */
  .hero { padding: 0 16px; }
  .hero h1 { font-size: clamp(2rem, 8vw, 3.25rem); margin: 16px 0 20px; }
  .hero-lede { font-size: 15px; }
  .hero-inner { padding-top: 48px; padding-bottom: 48px; min-height: calc(100svh - 56px); }
  .hero-data .figure { font-size: 44px; }
  .hero-data { padding: 20px; }

  /* Swipe hint: fade on right edge of threat strip */
  .threat-strip-wrap { position: relative; }
  .threat-strip-wrap::after {
    content: '';
    position: absolute; right: 0; top: 44px; bottom: 0;
    width: 56px;
    background: linear-gradient(to left, rgba(8,8,14,0.9), transparent);
    pointer-events: none; z-index: 2;
  }
  .threat-header { padding: 10px 16px; }
  .threat-scroll { padding: 14px 16px; }
  .threat-card   { width: 230px; }

  /* Features */
  .features { padding: 72px 16px 56px; }
  .feature   { padding: 22px; min-height: auto; }
  .feature .visual { height: 130px; }

  /* Accuracy */
  .accuracy { padding: 56px 16px; }
  .accuracy-inner { padding: 24px 18px; }
  .accuracy h2 { font-size: 30px; }
  .compare-row { grid-template-columns: 100px 1fr 76px; gap: 10px; }

  /* Footer */
  .footer { padding: 24px 16px; flex-direction: column; align-items: flex-start; gap: 14px; }
  .footer .links { gap: 18px; flex-wrap: wrap; }
}

@media (max-width: 479px) {
  .hero h1  { font-size: clamp(1.75rem, 9vw, 2.5rem); }
  .hero .ctas { flex-direction: column; }
  .hero .ctas .btn { width: 100%; justify-content: center; }
  .compare-row { grid-template-columns: 88px 1fr 70px; gap: 8px; }
  .compare-row .lbl { font-size: 10px; letter-spacing: 0.08em; }
}

/* ── Safe-area topbar inset (notched phones) ───────────────── */
.nav {
  padding-top: max(22px, env(safe-area-inset-top, 22px));
}
@media (max-width: 767px) {
  .nav {
    padding-top: max(12px, calc(env(safe-area-inset-top, 0px) + 12px));
  }
}

/* ── prefers-reduced-motion ────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .space-bg::before, .space-bg::after { animation: none; }
  .live-dot::before { animation: none; box-shadow: 0 0 0 3px rgba(47,208,122,0.4); }
}