/* The Keep · shared design tokens mirror axetechnologies.ca/static/axe.css */
:root {
  --axe-black: #000000;
  --axe-shadow-0a: #0a0a0a;
  --axe-gray-900: #171717;
  --axe-gray-800: #262626;
  --axe-gray-600: #525252;
  --axe-gray-500: #737373;
  --axe-gray-400: #a3a3a3;
  --axe-gray-200: #e5e5e5;
  --axe-white: #f5f5f5;
  --axe-gold: #D4AF37;
  --axe-gold-soft: rgba(212,175,55,0.22);
  --axe-blue: #6b8aff;
  --axe-teal: #4ec9b0;
  --axe-font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --axe-font-mono: 'IBM Plex Mono', 'JetBrains Mono', 'Monaco', monospace;
  --axe-letter-spacing-tight: -0.035em;
  --axe-letter-spacing-eyebrow: 0.28em;
  --axe-border: rgba(255,255,255,0.08);
  --axe-border-strong: rgba(255,255,255,0.18);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--axe-black); color: var(--axe-white); font-family: var(--axe-font-display); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
.top-banner { background: var(--axe-gold); color: var(--axe-black); padding: 10px 24px; text-align: center; font-size: 13px; font-weight: 600; letter-spacing: 0.02em; }
.top-nav { background: rgba(0,0,0,0.85); border-bottom: 1px solid var(--axe-border); padding: 18px 32px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 20; backdrop-filter: blur(12px); }
.top-nav .brand { display: flex; align-items: center; gap: 12px; font-weight: 600; letter-spacing: var(--axe-letter-spacing-tight); }
.top-nav .brand .cube { width: 28px; height: 28px; background: var(--axe-gold); display: inline-block; transform: rotate(45deg); }
.top-nav a { color: var(--axe-gray-400); font-family: var(--axe-font-mono); font-size: 12px; text-decoration: none; }
.top-nav a:hover { color: var(--axe-gold); }
.container { max-width: 1100px; margin: 0 auto; padding: 0 32px; }
.eyebrow { display: inline-block; font-family: var(--axe-font-mono); font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: var(--axe-letter-spacing-eyebrow); color: var(--axe-gold); margin-bottom: 16px; }
h1 { font-size: clamp(48px, 8vw, 96px); font-weight: 300; letter-spacing: var(--axe-letter-spacing-tight); line-height: 1.02; margin: 0 0 24px; color: var(--axe-white); }
h2 { font-size: clamp(28px, 4vw, 48px); font-weight: 300; letter-spacing: var(--axe-letter-spacing-tight); line-height: 1.05; margin: 0 0 24px; color: var(--axe-white); }
h3 { font-size: clamp(18px, 2vw, 22px); font-weight: 500; letter-spacing: -0.012em; margin: 0 0 8px; color: var(--axe-white); }
p { color: var(--axe-gray-200); margin: 0 0 16px; max-width: 76ch; }
p.lead { font-size: 19px; line-height: 1.5; color: var(--axe-white); max-width: 64ch; }
strong { color: var(--axe-white); font-weight: 600; }
em { color: var(--axe-gray-400); font-style: italic; }
a { color: var(--axe-gold); text-decoration: none; border-bottom: 1px solid var(--axe-gold-soft); }
a:hover { border-bottom-color: var(--axe-gold); }
code { font-family: var(--axe-font-mono); font-size: 0.88em; background: var(--axe-gray-900); border: 1px solid var(--axe-border); padding: 1px 6px; color: var(--axe-gold); }
pre { font-family: var(--axe-font-mono); font-size: 12px; background: var(--axe-gray-900); border: 1px solid var(--axe-border); padding: 16px; overflow-x: auto; color: var(--axe-gray-200); }
.hero { padding: clamp(80px, 10vw, 140px) 0; background: var(--axe-gray-900); border-bottom: 1px solid var(--axe-border); }
.meta-row { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.pill { border: 1px solid var(--axe-border-strong); padding: 6px 14px; font-family: var(--axe-font-mono); font-size: 12px; color: var(--axe-white); background: transparent; }
.pill.gold { border-color: var(--axe-gold); color: var(--axe-gold); }
.pill.tiny { font-size: 10px; padding: 2px 8px; letter-spacing: 0.06em; }
.pill.knox { border-color: var(--axe-gold); color: var(--axe-gold); }

section { padding: clamp(60px, 8vw, 100px) 0; border-bottom: 1px solid var(--axe-border); }
section:nth-of-type(even) { background: var(--axe-shadow-0a); }

.filter-row { display: flex; gap: 8px; margin: 24px 0 40px; flex-wrap: wrap; }
.filter-row .chip { border: 1px solid var(--axe-border-strong); padding: 6px 14px; font-family: var(--axe-font-mono); font-size: 12px; color: var(--axe-white); cursor: pointer; background: transparent; transition: all 160ms ease; }
.filter-row .chip:hover { border-color: var(--axe-gold); color: var(--axe-gold); }
.filter-row .chip.active { background: var(--axe-gold); color: var(--axe-black); border-color: var(--axe-gold); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; margin: 32px 0; }
.card { border: 1px solid var(--axe-border); background: var(--axe-shadow-0a); padding: 28px 24px; display: flex; flex-direction: column; gap: 12px; transition: border-color 200ms ease; text-decoration: none; color: inherit; border-bottom: 1px solid var(--axe-border); }
.card:hover { border-color: var(--axe-gold); border-bottom-color: var(--axe-gold); }
.card .card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.card .card-tag { font-family: var(--axe-font-mono); font-size: 10px; letter-spacing: var(--axe-letter-spacing-eyebrow); text-transform: uppercase; color: var(--axe-gold); }
.card .card-date { font-family: var(--axe-font-mono); font-size: 10px; color: var(--axe-gray-500); letter-spacing: 0.06em; }
.card h3 { margin: 0; font-size: 20px; color: var(--axe-white); }
.card p { margin: 0; color: var(--axe-gray-400); font-size: 14px; max-width: none; }
.card .card-foot { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--axe-border); }
.card .card-foot .knox-mini { font-family: var(--axe-font-mono); font-size: 10px; color: var(--axe-gold); letter-spacing: 0.04em; }
.card .card-foot .arrow { font-family: var(--axe-font-mono); font-size: 12px; color: var(--axe-gray-400); }

/* Lineage page specifics */
.lineage-row { display: grid; grid-template-columns: 200px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--axe-border); align-items: baseline; }
.lineage-row .label { font-family: var(--axe-font-mono); font-size: 11px; letter-spacing: var(--axe-letter-spacing-eyebrow); text-transform: uppercase; color: var(--axe-gold); }
.lineage-row .value { font-family: var(--axe-font-mono); font-size: 13px; color: var(--axe-white); word-break: break-all; }
.lineage-row .value code { background: transparent; border: none; padding: 0; color: var(--axe-white); }
.lineage-row .value.muted { color: var(--axe-gray-400); }
@media (max-width: 640px) { .lineage-row { grid-template-columns: 1fr; } }

footer { background: var(--axe-black); border-top: 1px solid var(--axe-border); padding: 60px 0; }
footer .container { color: var(--axe-gray-400); font-size: 13px; }
footer .footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
footer .footer-col h4 { font-family: var(--axe-font-mono); font-size: 11px; letter-spacing: var(--axe-letter-spacing-eyebrow); text-transform: uppercase; color: var(--axe-gold); margin: 0 0 12px; }
footer ul { list-style: none; padding: 0; margin: 0; }
footer ul li { margin-bottom: 6px; color: var(--axe-gray-400); }
@media (max-width: 760px) { footer .footer-grid { grid-template-columns: 1fr; } }

/* Keep-banner injected at top of archived artifacts */
.keep-banner { background: var(--axe-gold); color: var(--axe-black); padding: 8px 24px; font-size: 12px; font-family: var(--axe-font-mono); display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.keep-banner .sig { letter-spacing: 0.04em; }
.keep-banner a { color: var(--axe-black); border-bottom: 1px solid var(--axe-black); font-weight: 600; }

/* ── v0.2 · Steve-Jobs-grade additions ──────────────────────────────────── */

/* Brand mark in nav (replaces the rotated div) */
.top-nav .brand {
  text-decoration: none; color: var(--axe-white);
  border: none;
}
.top-nav .brand:hover { color: var(--axe-gold); }
.top-nav .brand-mark { display: inline-block; vertical-align: middle; }
.top-nav .nav-links { display: flex; gap: 24px; }
.top-nav .nav-links a, .top-nav .nav-back {
  color: var(--axe-gray-400); font-family: var(--axe-font-mono); font-size: 12px;
  text-decoration: none; letter-spacing: 0.04em;
  border: none;
}
.top-nav .nav-links a:hover, .top-nav .nav-back:hover { color: var(--axe-gold); }

/* Inline micro icons (16px, currentColor-aware) */
.micro-icon {
  display: inline-block;
  width: 14px; height: 14px;
  vertical-align: -2px;
  margin-right: 6px;
  opacity: 0.95;
}
.pill.gold .micro-icon, .pill.knox .micro-icon { filter: brightness(0.5); }

/* Card icon block */
.card { position: relative; }
.card .card-icon {
  color: var(--axe-gold);
  margin-bottom: 8px;
  opacity: 0.85;
}
.card .card-icon img { display: block; filter: brightness(0) saturate(100%) invert(76%) sepia(38%) saturate(587%) hue-rotate(7deg) brightness(91%) contrast(89%); }
.card:hover .card-icon { opacity: 1; }
.card .card-foot .knox-mini img { vertical-align: -2px; margin-right: 4px; height: 12px; width: 12px; filter: brightness(0) saturate(100%) invert(76%) sepia(38%) saturate(587%) hue-rotate(7deg) brightness(91%) contrast(89%); }

/* Empty state */
.empty-state {
  border: 1px dashed var(--axe-border-strong);
  padding: 80px 40px;
  text-align: center;
  background: var(--axe-shadow-0a);
}
.empty-state img { opacity: 0.35; margin-bottom: 24px; }
.empty-state p { color: var(--axe-white); font-size: 18px; margin: 0 0 8px; max-width: none; }
.empty-state p.muted { color: var(--axe-gray-500); font-size: 14px; }

/* Visual version chain on lineage page */
.version-chain {
  display: flex; align-items: center; gap: 8px;
  margin: 32px 0;
  padding: 32px 24px;
  background: var(--axe-shadow-0a);
  border: 1px solid var(--axe-border);
  overflow-x: auto;
}
.chain-node {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  min-width: 160px; flex-shrink: 0;
  padding: 16px;
  border: 1px solid var(--axe-gold-soft);
  background: var(--axe-gray-900);
}
.chain-node .chain-meta { text-align: center; font-family: var(--axe-font-mono); font-size: 11px; }
.chain-node .chain-version { color: var(--axe-gold); font-size: 14px; font-weight: 600; letter-spacing: 0.04em; }
.chain-node .chain-date { color: var(--axe-gray-400); margin-top: 2px; }
.chain-node .chain-sig { color: var(--axe-gray-200); margin-top: 4px; }
.chain-node .chain-sig code { background: transparent; border: none; padding: 0; color: var(--axe-white); font-size: 10px; }
.chain-line {
  height: 1px; min-width: 32px; flex-grow: 0;
  background: linear-gradient(90deg, var(--axe-gold), var(--axe-gold-soft));
  position: relative;
}
.chain-line::after {
  content: "→"; position: absolute; right: -4px; top: -10px;
  color: var(--axe-gold); font-family: var(--axe-font-mono); font-size: 14px;
}

/* Footer brand mark */
.footer-mark {
  display: flex; align-items: center; gap: 16px;
  margin-top: 24px; padding-top: 24px;
  border-top: 1px solid var(--axe-border);
}
.footer-mark img { opacity: 0.6; }
.footer-mark p { color: var(--axe-gray-500); font-family: var(--axe-font-mono); font-size: 11px; letter-spacing: 0.04em; margin: 0; }

/* Subtle entrance motion (one-time on load) */
@keyframes axe-fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero .eyebrow, .hero h1, .hero .lead, .hero .meta-row {
  animation: axe-fade-up 480ms cubic-bezier(0.22, 1, 0.36, 1) backwards;
}
.hero h1 { animation-delay: 80ms; }
.hero .lead { animation-delay: 140ms; }
.hero .meta-row { animation-delay: 200ms; }

/* Card hover lift */
.card { transition: border-color 200ms ease, transform 200ms ease; }
.card:hover { transform: translateY(-2px); }