/* ==========================================================================
   Fonts
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ==========================================================================
   Design tokens
   ========================================================================== */
:root {
  --bg: #050810;
  --bg2: #080d18;
  --bg3: #0a1020;
  --surface: #0d1526;
  --surface2: #111c30;
  --border: #1a2640;
  --text: #e8edf8;
  --text2: #8899bb;
  --text3: #4a5a7a;
  --accent: #3b82f6;
  --accent-dim: rgba(59,130,246,0.12);
  --accent-bright: #60a5fa;
  --accent-glow: rgba(59,130,246,0.25);
  --white: #ffffff;

  --font-heading: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  --nav-height: 64px;
  --container: 1200px;
  --gutter: 24px;
  --radius: 12px;
  --radius-sm: 8px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ==========================================================================
   Reset & base
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
  min-height: 100vh;
  padding-top: var(--nav-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* ==========================================================================
   Starfield background
   ========================================================================== */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    /* stars: white */
    radial-gradient(1px 1px at 4% 12%, rgba(255,255,255,0.9) 50%, transparent 100%),
    radial-gradient(1px 1px at 17% 38%, rgba(255,255,255,0.6) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 23% 7%, rgba(255,255,255,0.8) 50%, transparent 100%),
    radial-gradient(1px 1px at 31% 71%, rgba(255,255,255,0.5) 50%, transparent 100%),
    radial-gradient(1px 1px at 39% 23%, rgba(255,255,255,0.7) 50%, transparent 100%),
    radial-gradient(2px 2px at 46% 88%, rgba(255,255,255,0.45) 50%, transparent 100%),
    radial-gradient(1px 1px at 52% 44%, rgba(255,255,255,0.85) 50%, transparent 100%),
    radial-gradient(1px 1px at 58% 15%, rgba(255,255,255,0.55) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 64% 62%, rgba(255,255,255,0.7) 50%, transparent 100%),
    radial-gradient(1px 1px at 71% 33%, rgba(255,255,255,0.6) 50%, transparent 100%),
    radial-gradient(1px 1px at 77% 79%, rgba(255,255,255,0.4) 50%, transparent 100%),
    radial-gradient(2px 2px at 83% 9%, rgba(255,255,255,0.75) 50%, transparent 100%),
    radial-gradient(1px 1px at 89% 52%, rgba(255,255,255,0.65) 50%, transparent 100%),
    radial-gradient(1px 1px at 94% 27%, rgba(255,255,255,0.5) 50%, transparent 100%),
    radial-gradient(1px 1px at 9% 56%, rgba(255,255,255,0.55) 50%, transparent 100%),
    radial-gradient(1px 1px at 13% 91%, rgba(255,255,255,0.8) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 67% 96%, rgba(255,255,255,0.45) 50%, transparent 100%),
    radial-gradient(1px 1px at 97% 84%, rgba(255,255,255,0.7) 50%, transparent 100%),
    /* stars: accent-tinted */
    radial-gradient(1.5px 1.5px at 28% 49%, rgba(96,165,250,0.8) 50%, transparent 100%),
    radial-gradient(2px 2px at 43% 4%, rgba(96,165,250,0.6) 50%, transparent 100%),
    radial-gradient(1px 1px at 61% 29%, rgba(96,165,250,0.7) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 75% 58%, rgba(96,165,250,0.55) 50%, transparent 100%),
    radial-gradient(1px 1px at 86% 93%, rgba(96,165,250,0.65) 50%, transparent 100%),
    radial-gradient(2px 2px at 6% 81%, rgba(96,165,250,0.5) 50%, transparent 100%),
    radial-gradient(1px 1px at 49% 67%, rgba(96,165,250,0.75) 50%, transparent 100%),
    /* base nebula + ground */
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(59,130,246,0.14), transparent 70%),
    radial-gradient(ellipse 60% 40% at 90% 100%, rgba(59,130,246,0.06), transparent 70%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 60%, var(--bg3) 100%);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  animation: twinkle 9s ease-in-out infinite alternate;
}

@keyframes twinkle {
  0%   { opacity: 0.75; }
  50%  { opacity: 1; }
  100% { opacity: 0.85; }
}

@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
  html { scroll-behavior: auto; }
}

/* ==========================================================================
   Layout helpers
   ========================================================================== */
.container,
.wrap,
.shell {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

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

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: start;
}

.flex {
  display: flex;
  gap: 16px;
  align-items: center;
}

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar,
.site-header,
header.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 100;
  background: rgba(5,8,16,0.78);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.navbar .container,
.navbar .nav-inner,
.nav-container,
.site-header .bar,
.bar {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.navbar img,
.logo img,
.brand img {
  height: 32px;
  width: auto;
  display: block;
}

.logo,
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--white);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-menu,
.nav-links,
.site-nav,
.navbar > .container > ul,
.navbar nav ul {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-menu a,
.nav-links a,
.site-nav a,
.navbar nav a,
.nav-link {
  position: relative;
  display: inline-block;
  padding: 6px 0;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text2);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

/* Animated underline: grows left-to-right on hover */
.nav-menu a::after,
.nav-links a::after,
.site-nav a::after,
.navbar nav a::after,
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-bright);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s var(--ease);
}

.nav-menu a:hover,
.nav-links a:hover,
.site-nav a:hover,
.navbar nav a:hover,
.nav-link:hover,
.nav-menu a.active,
.nav-links a.active,
.site-nav a.active,
.nav-link.active {
  color: var(--accent-bright);
}

.nav-menu a:hover::after,
.nav-links a:hover::after,
.site-nav a:hover::after,
.navbar nav a:hover::after,
.nav-link:hover::after,
.nav-menu a.active::after,
.nav-links a.active::after,
.site-nav a.active::after,
.nav-link.active::after {
  transform: scaleX(1);
}

/* --------------------------------------------------------------------------
   Hamburger (mobile toggle)
   -------------------------------------------------------------------------- */
.hamburger,
.nav-toggle {
  display: none;
  position: relative;
  z-index: 110;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.hamburger:hover,
.nav-toggle:hover {
  border-color: var(--border);
  background: var(--accent-dim);
}

.hamburger span,
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}

.hamburger.open span:nth-child(1),
.nav-toggle.open span:nth-child(1),
body.menu-open .hamburger span:nth-child(1),
body.menu-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2),
.nav-toggle.open span:nth-child(2),
body.menu-open .hamburger span:nth-child(2),
body.menu-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3),
.nav-toggle.open span:nth-child(3),
body.menu-open .hamburger span:nth-child(3),
body.menu-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   Full-screen mobile overlay menu
   -------------------------------------------------------------------------- */
.nav-overlay,
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 105;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: calc(var(--nav-height) + 24px) 24px 40px;
  background: rgba(5,8,16,0.96);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition:
    opacity 0.3s var(--ease),
    transform 0.35s var(--ease),
    visibility 0s linear 0.35s;
}

.nav-overlay.open,
.mobile-menu.open,
body.menu-open .nav-overlay,
body.menu-open .mobile-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition:
    opacity 0.3s var(--ease),
    transform 0.35s var(--ease),
    visibility 0s linear 0s;
}

body.menu-open {
  overflow: hidden;
}

.nav-overlay ul,
.mobile-menu ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.nav-overlay a,
.mobile-menu a {
  display: block;
  width: 100%;
  max-width: 360px;
  padding: 14px 20px;
  text-align: center;
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: color 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.nav-overlay a:hover,
.mobile-menu a:hover {
  color: var(--accent-bright);
  background: var(--accent-dim);
  border-color: var(--border);
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--white);
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.08;
  margin-bottom: 1.25rem;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: clamp(1.375rem, 2.5vw, 1.75rem);
  margin-bottom: 0.5rem;
}

h4 {
  font-size: 1.25rem;
  color: var(--text);
}

h5 {
  font-size: 1.0625rem;
  color: var(--text);
}

h6 {
  font-size: 0.9375rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text2);
}

p {
  color: var(--text2);
  font-family: var(--font-body);
}

.lead,
.lede {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text2);
  max-width: 60ch;
  margin-bottom: 2rem;
}

.eyebrow {
  display: block;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

strong, b {
  color: var(--text);
  font-weight: 600;
}

small,
.muted {
  color: var(--text3);
  font-size: 0.875rem;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

code,
kbd,
samp,
pre {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

pre {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  overflow-x: auto;
  color: var(--text);
  line-height: 1.55;
}

pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  border: none;
  color: inherit;
}

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

/* ==========================================================================
   Sections & cards
   ========================================================================== */
section,
.section {
  position: relative;
  padding: 96px 0;
}

section > .container,
.section > .container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section-title,
.section-header {
  margin-bottom: 48px;
}

.section-title p,
.section-header p {
  margin-top: 12px;
  max-width: 60ch;
}

.hero {
  position: relative;
  padding: 96px 0 72px;
}

.hero::after {
  content: '';
  position: absolute;
  top: -100px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero p {
  max-width: 60ch;
  font-size: 1.125rem;
}

.card,
.module {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition:
    border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease),
    transform 0.3s var(--ease);
}

.card:hover,
.module:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 32px var(--accent-glow), 0 0 0 1px var(--accent-dim);
  transform: translateY(-2px);
}

.module {
  margin: 48px 0;
}

.card h3,
.card h4 {
  margin-bottom: 10px;
}

.card p + p {
  margin-top: 10px;
}

.card .icon {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border-radius: 10px;
  background: var(--accent-dim);
  color: var(--accent-bright);
}

.module-label {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.module-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.stamp {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text3);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Metrics
   -------------------------------------------------------------------------- */
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 32px;
}

.metric {
  padding: 18px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  text-align: center;
  transition: border-color 0.3s var(--ease);
}

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

.metric b {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-bright);
}

.metric span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text3);
}

/* --------------------------------------------------------------------------
   Onion card
   -------------------------------------------------------------------------- */
.onion-card,
.onion-box {
  position: relative;
  background: var(--surface2);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 0 24px var(--accent-glow), 0 0 0 1px var(--accent-dim);
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.onion-card:hover,
.onion-box:hover {
  box-shadow: 0 0 40px var(--accent-glow), 0 0 0 1px var(--accent-dim);
  transform: translateY(-2px);
}

.onion-box {
  margin-top: 32px;
}

.onion-card h3,
.onion-box h3 {
  margin-bottom: 14px;
}

.onion-card p,
.onion-box p {
  margin-bottom: 16px;
}

.onion-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.onion-address,
.onion-card code,
.onion-url {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.6;
  word-break: break-all;
  overflow-wrap: anywhere;
  color: var(--accent-bright);
  background: var(--bg3);
  border: 1px solid var(--border);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  user-select: all;
}

.onion-url {
  flex: 1;
}

.onion-card .actions,
.onion-actions,
.onion-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.onion-note {
  margin-top: 12px;
  font-size: 0.8125rem;
  color: var(--text3);
}

/* --------------------------------------------------------------------------
   Pills / status badges
   -------------------------------------------------------------------------- */
.badge,
.tag,
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent-bright);
  background: var(--accent-dim);
  border: 1px solid currentColor;
  border-radius: 999px;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 6px currentColor;
}

.online   { color: #10b981; background: rgba(16,185,129,0.1); }
.checking { color: #f59e0b; background: rgba(245,158,11,0.1); }
.dead     { color: #6b7280; background: rgba(107,114,128,0.1); }
.checking .dot { animation: blink 1.5s infinite; }

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.3; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn,
.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  color: var(--white);
  background: var(--accent);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background 0.25s var(--ease),
    box-shadow 0.25s var(--ease),
    transform 0.2s var(--ease),
    color 0.25s var(--ease),
    border-color 0.25s var(--ease);
}

.btn:hover {
  color: var(--white);
  background: var(--accent-bright);
  box-shadow: 0 6px 24px var(--accent-glow);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px var(--accent-glow);
}

.btn:focus-visible,
.cta:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 3px;
}

.btn-outline,
.btn.secondary,
.cta {
  background: transparent;
  color: var(--accent-bright);
  border-color: var(--accent);
}

.btn-outline:hover,
.btn.secondary:hover,
.cta:hover {
  background: var(--accent-dim);
  color: var(--white);
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text2);
  border-color: var(--border);
}

.btn-ghost:hover {
  background: var(--surface2);
  color: var(--text);
  box-shadow: none;
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 16px 30px;
  font-size: 1.0625rem;
}

/* --------------------------------------------------------------------------
   Copy button
   -------------------------------------------------------------------------- */
.copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  color: var(--white);
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition:
    background 0.25s var(--ease),
    box-shadow 0.25s var(--ease),
    transform 0.2s var(--ease);
}

.copy-btn:hover {
  background: var(--accent-bright);
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-1px);
}

.copy-btn:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 0 8px var(--accent-glow);
}

.copy-btn:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 3px;
}

.copy-btn.copied,
.copy-btn.active,
.copy-btn[data-copied="true"] {
  background: #22c55e;
  box-shadow: 0 0 20px rgba(34,197,94,0.35);
  color: var(--white);
}

.copy-btn.copied::before,
.copy-btn[data-copied="true"]::before {
  content: '\2713';
  font-weight: 700;
}

/* ==========================================================================
   Tables
   ========================================================================== */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  text-align: left;
}

th {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: left;
  color: var(--text);
  background: var(--surface2);
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 14px 18px;
  color: var(--text2);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

td code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--accent-bright);
  background: var(--accent-dim);
  padding: 2px 6px;
  border-radius: 4px;
}

tbody tr {
  transition: background 0.2s var(--ease);
}

tbody tr:hover {
  background: var(--accent-dim);
}

tbody tr:last-child td {
  border-bottom: none;
}

/* ==========================================================================
   Prose (long-form content)
   ========================================================================== */
.prose,
.article,
.content {
  max-width: 70ch;
  margin-inline: auto;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text2);
}

.prose > * + * {
  margin-top: 1.25em;
}

.prose h1,
.prose h2,
.prose h3,
.prose h4 {
  margin-top: 2em;
  margin-bottom: 0.6em;
}

.prose h1:first-child,
.prose h2:first-child,
.prose h3:first-child {
  margin-top: 0;
}

.prose h2 {
  padding-bottom: 0.4em;
  border-bottom: 1px solid var(--border);
}

.prose p {
  color: var(--text2);
}

.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: var(--accent-dim);
  text-underline-offset: 3px;
  transition: color 0.2s var(--ease), text-decoration-color 0.2s var(--ease);
}

.prose a:hover {
  color: var(--accent-bright);
  text-decoration-color: var(--accent-bright);
}

.prose ul,
.prose ol {
  padding-left: 1.5em;
}

.prose li {
  margin-top: 0.5em;
  padding-left: 0.25em;
}

.prose li::marker {
  color: var(--accent);
  font-weight: 600;
}

.prose ul li::marker {
  content: '\25B8  ';
}

.prose ol {
  list-style: decimal;
}

.prose ol li::marker {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.prose li > ul,
.prose li > ol {
  margin-top: 0.5em;
}

.prose blockquote {
  position: relative;
  margin: 1.75em 0;
  padding: 18px 24px 18px 28px;
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--surface);
  color: var(--text);
  font-style: italic;
}

.prose blockquote p {
  color: var(--text);
}

.prose blockquote cite {
  display: block;
  margin-top: 10px;
  font-style: normal;
  font-size: 0.875rem;
  color: var(--text3);
}

.prose code,
:not(pre) > code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  color: var(--accent-bright);
  background: var(--accent-dim);
  padding: 2px 7px;
  border-radius: 5px;
  border: 1px solid rgba(59,130,246,0.18);
  word-break: break-word;
}

.prose pre {
  margin: 1.5em 0;
}

.prose pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
  font-size: 0.9em;
}

.prose img,
.prose figure {
  margin: 2em auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.prose figcaption {
  margin-top: 10px;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text3);
}

.prose table {
  margin: 1.75em 0;
}

.prose hr {
  margin: 2.5em 0;
}

/* Generic list styling outside .prose */
.styled-list {
  list-style: none;
  padding: 0;
}

.styled-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  color: var(--text2);
}

.styled-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* ==========================================================================
   Misc components
   ========================================================================== */
.alert,
.notice {
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text2);
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 48px 0;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero {
  animation: fadeIn 0.5s var(--ease);
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer,
.footer,
.site-footer {
  margin-top: 64px;
  padding: 40px 0 48px;
  border-top: 1px solid var(--border);
  color: var(--text3);
  font-size: 0.875rem;
  text-align: center;
}

footer .container,
.footer .container,
.site-footer .shell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

footer p,
.footer p,
.site-footer p {
  color: var(--text3);
}

footer ul,
.footer ul,
.footer-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 24px;
}

footer a,
.footer a,
.site-footer a {
  color: var(--text3);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

footer a:hover,
.footer a:hover,
.site-footer a:hover {
  color: var(--accent-bright);
}

footer img,
.footer img,
.site-footer img {
  height: 24px;
  width: auto;
  opacity: 0.6;
}

/* ==========================================================================
   Hidden elements
   ========================================================================== */
.ticker,
.spec-ticker,
.crumb,
#toc,
.ticker-wrap,
.on-this-page {
  display: none !important;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { gap: 40px; }
}

@media (max-width: 768px) {
  :root {
    --gutter: 16px;
  }

  body {
    font-size: 0.9375rem;
  }

  /* Navbar stays 64px; swap desktop menu for hamburger */
  .navbar,
  .site-header,
  header.nav {
    height: var(--nav-height);
  }

  .nav-menu,
  .nav-links,
  .site-nav,
  .navbar > .container > ul,
  .navbar nav ul {
    display: none;
  }

  .nav-overlay ul,
  .mobile-menu ul {
    display: flex;
  }

  .hamburger,
  .nav-toggle {
    display: flex;
  }

  /* Layouts collapse to a single column */
  .grid,
  .grid-2,
  .grid-3,
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .flex {
    flex-direction: column;
    align-items: stretch;
  }

  section,
  .section {
    padding: 56px 0;
  }

  .hero {
    padding: 56px 0 48px;
  }

  .section-title,
  .section-header {
    margin-bottom: 32px;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.625rem; }
  h3 { font-size: 1.3125rem; }
  h4 { font-size: 1.125rem; }

  .lead,
  .lede,
  .hero p {
    font-size: 1rem;
  }

  .card,
  .module,
  .onion-card,
  .onion-box {
    padding: 20px;
  }

  .module {
    margin: 32px 0;
  }

  .onion-address,
  .onion-card code,
  .onion-url {
    font-size: 0.8125rem;
    padding: 12px 14px;
  }

  .onion-top,
  .onion-card .actions,
  .onion-actions,
  .onion-row {
    flex-direction: column;
    align-items: stretch;
  }

  .onion-url {
    margin-right: 0;
  }

  .onion-card .actions .btn,
  .onion-card .actions .copy-btn,
  .onion-actions .btn,
  .onion-actions .copy-btn,
  .onion-row .btn,
  .onion-row .copy-btn,
  .onion-row .cta {
    width: 100%;
  }

  .prose,
  .article,
  .content {
    font-size: 1rem;
    line-height: 1.7;
  }

  th,
  td {
    padding: 12px 14px;
    font-size: 0.875rem;
  }

  footer,
  .footer,
  .site-footer {
    padding: 32px 0 40px;
    margin-top: 40px;
  }

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

@media (max-width: 480px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }

  .metrics {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .btn,
  .cta,
  .copy-btn {
    width: 100%;
  }
}

/* ==========================================================================
   Header states (mobile nav open / scrolled)
   ========================================================================== */
body.nav-open {
  overflow: hidden;
}

.site-header.scrolled {
  background: rgba(5,8,16,0.97);
  border-bottom-color: rgba(59,130,246,0.3);
}