:root {
  --eu-blue: #003399;
  --eu-blue-dark: #00256e;
  --eu-blue-soft: #e8edf7;
  --eu-yellow: #FFCC00;
  --eu-yellow-soft: #fff7d1;
  --ink: #0E1116;
  --ink-soft: #2a2f38;
  --grey: #5a6373;
  --grey-light: #c4cad4;
  --paper: #ffffff;
  --paper-warm: #fafaf7;
  --max-width: 720px;
  --max-width-wide: 980px;
  --radius: 6px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Atkinson Hyperlegible', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper-warm);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--eu-blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
a:hover { color: var(--eu-blue-dark); text-decoration-thickness: 2px; }

h1, h2, h3, h4 {
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 2.4rem 0 0.8rem;
}
h1 { font-size: 2.25rem; margin-top: 0; }
h2 { font-size: 1.6rem; margin-top: 3rem; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }
small, .small { font-size: 0.875rem; color: var(--grey); }

/* layout shell */
.shell { max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }
.shell-wide { max-width: var(--max-width-wide); margin: 0 auto; padding: 0 1.25rem; }

/* nav */
.nav {
  border-bottom: 1px solid var(--grey-light);
  background: var(--paper);
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 0;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.nav a.brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.brand-mark {
  display: inline-block;
  width: 22px;
  height: 22px;
  background-image: url('/assets/favicon.svg');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}
.nav-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
}
.nav-links a:hover { color: var(--eu-blue); }
.nav-links a.active { color: var(--eu-blue); font-weight: 600; }

/* hero */
.hero {
  padding: 4rem 0 2.5rem;
  border-bottom: 1px solid var(--grey-light);
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-warm) 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  /* subtle background atmosphere — never fixed/following per feedback_animations_background */
  content: "";
  position: absolute;
  top: -120px; right: -120px;
  width: 360px; height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--eu-yellow-soft) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero-inner { position: relative; z-index: 1; }
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--eu-blue);
  background: var(--eu-blue-soft);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
  font-weight: 600;
}
.hero h1 { font-size: 2.6rem; margin-bottom: 0.75rem; }
.hero .lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 32em; }
.cta-row { margin-top: 1.75rem; display: flex; gap: 0.75rem; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  border: 1.5px solid transparent;
  transition: transform 0.05s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--eu-blue); color: var(--paper); }
.btn-primary:hover { background: var(--eu-blue-dark); color: var(--paper); }
.btn-secondary {
  background: transparent;
  color: var(--eu-blue);
  border-color: var(--eu-blue);
}
.btn-secondary:hover { background: var(--eu-blue-soft); }

/* sections */
section { padding: 3rem 0; }
section.alt { background: var(--paper); border-top: 1px solid var(--grey-light); border-bottom: 1px solid var(--grey-light); }

/* threat grid */
.threat-grid, .path-grid, .project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}
.card {
  background: var(--paper);
  border: 1px solid var(--grey-light);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.15s ease, transform 0.05s ease;
}
.card:hover { border-color: var(--eu-blue); }
.card h3 { margin: 0 0 0.5rem; font-size: 1.1rem; }
.card p { margin: 0 0 0.75rem; color: var(--ink-soft); font-size: 0.96rem; }
.card .card-meta {
  font-size: 0.82rem;
  color: var(--grey);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}
.card a.card-link {
  font-size: 0.9rem;
  font-weight: 600;
}

/* status pills */
.pill {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  font-weight: 600;
}
.pill-stealth { background: var(--eu-yellow-soft); color: #6b5500; }
.pill-build { background: var(--eu-blue-soft); color: var(--eu-blue); }
.pill-concept { background: #f0f0f0; color: var(--grey); }
.pill-partner { background: #e8f4ee; color: #1f6b3e; }

/* methodology callout */
.callout {
  border-left: 4px solid var(--eu-yellow);
  background: var(--paper);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.5rem 0;
}
.callout strong { color: var(--eu-blue); }

/* tables (used on /methodology and /threats) */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.96rem;
}
th, td {
  text-align: left;
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--grey-light);
  vertical-align: top;
}
th { background: var(--paper); font-weight: 700; color: var(--ink); }
tr:hover td { background: var(--paper); }

/* newsletter */
.newsletter {
  background: var(--eu-blue);
  color: var(--paper);
  border-radius: var(--radius);
  padding: 2rem;
  margin: 3rem 0;
  text-align: center;
}
.newsletter h2 { color: var(--paper); margin-top: 0; }
.newsletter p { color: rgba(255,255,255,0.85); }
.newsletter .btn-yellow {
  background: var(--eu-yellow);
  color: var(--ink);
  border-color: var(--eu-yellow);
  margin-top: 0.75rem;
}
.newsletter .btn-yellow:hover { background: #ffd633; color: var(--ink); }
.newsletter small { color: rgba(255,255,255,0.7); display: block; margin-top: 0.75rem; }

/* footer */
footer {
  border-top: 1px solid var(--grey-light);
  padding: 2.5rem 0 3rem;
  margin-top: 3rem;
  background: var(--paper);
  font-size: 0.9rem;
  color: var(--grey);
}
footer .footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
}
footer h4 {
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0 0 0.6rem;
}
footer ul { list-style: none; padding: 0; margin: 0; }
footer li { margin-bottom: 0.35rem; }
footer a { color: var(--ink-soft); text-decoration: none; }
footer a:hover { color: var(--eu-blue); text-decoration: underline; }

/* prose pages */
.prose { padding: 2.5rem 0 1rem; }
.prose ul, .prose ol { padding-left: 1.4rem; }
.prose li { margin-bottom: 0.4rem; }
.prose blockquote {
  border-left: 3px solid var(--eu-blue);
  padding: 0.5rem 1rem;
  margin: 1.5rem 0;
  color: var(--ink-soft);
  background: var(--paper);
  font-style: italic;
}

/* responsive */
@media (max-width: 640px) {
  .hero { padding: 2.5rem 0 2rem; }
  .hero h1 { font-size: 2rem; }
  .hero .lede { font-size: 1.05rem; }
  h2 { font-size: 1.4rem; }
  footer .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
}

/* a11y */
:focus-visible {
  outline: 3px solid var(--eu-yellow);
  outline-offset: 2px;
  border-radius: 3px;
}
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}

/* section eyebrow — category labels in projects grid */
.section-eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--eu-blue);
  margin-top: 2.5rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

/* globe section */
.globe-wrap {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 2.5rem;
  align-items: center;
  margin: 2rem 0;
}
.globe {
  width: 100%;
  max-width: 320px;
  aspect-ratio: 1;
  display: block;
}
.globe-rotating {
  transform-origin: 0 0;
  animation: globe-spin 90s linear infinite;
}
@keyframes globe-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.globe-list h3 { margin-top: 0; }

@media (max-width: 720px) {
  .globe-wrap { grid-template-columns: 1fr; }
  .globe { max-width: 240px; margin: 0 auto; }
}

/* version history */
.changelog {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  border-top: 1px solid var(--grey-light);
}
.changelog li {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--grey-light);
}

/* data tiers table — methodology */
.tier-table th, .tier-table td { vertical-align: top; }
.tier-table tr td:first-child { font-weight: 700; color: var(--eu-blue); white-space: nowrap; }
.tier-table .counterparty-cell {
  background: var(--eu-yellow-soft);
  color: var(--ink);
  font-weight: 600;
  border-left: 3px solid var(--eu-yellow);
}
.tier-table caption {
  text-align: left;
  font-size: 0.9rem;
  color: var(--grey);
  padding: 0.5rem 0;
  caption-side: bottom;
  font-style: italic;
}

/* Globe — interactive (JS), with no-JS CSS-rotation fallback */
.globe {
  cursor: grab;
  transform: rotate(-23.5deg);     /* Earth's axial tilt */
  transition: transform 0.3s ease;
  touch-action: none;              /* prevent page scroll while dragging on touch */
  user-select: none;
}
.globe.grabbing { cursor: grabbing; }
.globe-rotor { transform-origin: 0 0; transform-box: fill-box; }
/* CSS fallback animation — JS removes the .css-spin class once it takes over */
.globe-rotor.css-spin { animation: globe-spin 90s linear infinite; }
.globe-rotor.js-driven { animation: none !important; }

/* footer changelog block (version history integrated into footer) */
.footer-changelog {
  border-top: 1px solid var(--grey-light);
  margin-top: 2rem;
  padding-top: 1.25rem;
  font-size: 0.88rem;
}
.footer-changelog h4 {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grey);
  margin: 0 0 0.6rem;
}
.footer-changelog ul.changelog {
  border-top: none;
  margin: 0;
}
.footer-changelog ul.changelog li {
  padding: 0.4rem 0;
  border-bottom: none;
  color: var(--ink-soft);
}
.footer-changelog ul.changelog li strong { color: var(--eu-blue); }
.footer-changelog .roadmap { margin-top: 0.6rem; color: var(--grey); }