/* Arkon Fleet Atlas — HOFMI-tenant explainer
 * v3 brand. Dark-first. Quarn does ONE job per section.
 */
@import url('colors_and_type.css');

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }

body {
  background: var(--void);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; }
button { font: inherit; color: inherit; }

/* ───────────────────────── Layout shell ───────────────────────── */

.atlas {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
  max-width: 1440px;
  margin: 0 auto;
}

.main { min-width: 0; padding: 0 56px 96px; }

.tier {
  scroll-margin-top: 24px;
  padding: 96px 0 64px;
  border-top: 1px solid var(--border);
}
.tier:first-of-type { border-top: none; padding-top: 0; }

.tier-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--quarn);            /* Quarn job #1 per section: the tier label */
  margin: 0 0 20px;
}
.tier-label .num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  padding: 3px 7px;
  border-radius: 3px;
  background: rgba(0,212,126,0.10);
  border: 1px solid rgba(0,212,126,0.22);
  color: var(--quarn);
}

.tier-h {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 48px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  max-width: 22ch;
}
.tier-sub {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 60ch;
  margin: 0 0 40px;
}

/* ───────────────────────── Sidebar nav ───────────────────────── */

.sidenav {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  padding: 32px 24px 24px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 28px;
  background: var(--void);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  padding-bottom: 4px;
}
.brand-glyph {
  width: 28px;
  height: 28px;
}
.wordmark-atlas {
  font-family: var(--font-wordmark);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1;
}
.brand-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-left: 4px;
  padding-left: 8px;
  border-left: 1px solid var(--border);
  line-height: 1;
}

.tenant-card {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.tenant-card .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--success);
  margin-top: 6px;
  flex-shrink: 0;
}
.tenant-card .name { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.tenant-card .sub  { font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary); margin-top: 2px; }

.sidenav nav { display: flex; flex-direction: column; gap: 2px; }
.nav-section {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding: 4px 10px;
  margin-top: 12px;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
  min-height: 44px;
}
.nav-link .num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  width: 16px;
}
.nav-link:hover { background: var(--surface-1); color: var(--text-primary); }
.nav-link.active { color: var(--quarn); background: rgba(0,212,126,0.06); }
.nav-link.active .num { color: var(--quarn); }

.sidenav-foot {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  line-height: 1.6;
}
.sidenav-foot a { color: var(--text-secondary); }

/* Mobile nav toggle (hidden on desktop) */
.mobile-bar { display: none; }

/* ───────────────────────── Tier 1 — Hero ───────────────────────── */

.hero {
  min-height: calc(100vh - 0px);
  display: grid;
  grid-template-rows: 1fr auto;
  padding: 64px 0 48px;
  border-top: none;
}
.hero-stage { display: flex; flex-direction: column; justify-content: center; }

.hero-wordmark {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 0 0 36px;
}
.hero-wordmark .glyph { width: 56px; height: 56px; }
.hero-wordmark .text {
  font-family: var(--font-wordmark);
  font-weight: 800;
  font-size: 56px;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--text-primary);
}

.hero-tagline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 88px;
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin: 0 0 28px;
  max-width: 16ch;
  color: var(--text-primary);
}
.hero-tagline em {
  font-style: normal;
  color: var(--quarn);
}

.hero-positioning {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 22px;
  line-height: 1.4;
  color: var(--text-secondary);
  max-width: 60ch;
  margin: 0 0 56px;
}
.hero-positioning strong {
  font-weight: 500;
  color: var(--text-primary);
}

.hero-narrative {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 56px;
}
.hero-narrative h3 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 6px 0 0;
}
.hero-narrative p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-primary);
  margin: 0;
  max-width: 64ch;
}
.hero-narrative p + p { margin-top: 14px; color: var(--text-secondary); }

/* Three Fronts strip */
.fronts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.front {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 24px 22px;
  transition: border-color var(--dur-fast) var(--ease-out);
}
.front:hover { border-color: var(--border-hover); }
.front .label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 10px;
}
.front .name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 24px;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--text-primary);
}
.front .desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0;
}

/* ───────────────────────── Tier 2 — Four Pillars ───────────────────────── */

.pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.pillar {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 340px;
  transition: border-color var(--dur-fast) var(--ease-out);
}
.pillar:hover { border-color: var(--border-hover); }

.pillar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.pillar-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 32px;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text-primary);
}
.pillar-icon {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  background: var(--surface-2);
  color: var(--text-secondary);
}
.pillar-icon svg { width: 22px; height: 22px; }

.pillar-oneline {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.4;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: -0.01em;
}
.pillar-para {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
}

/* Kill card: deliberate, danger-tinted */
.pillar.kill {
  transition: border-color var(--dur-deliberate) var(--ease-in-out);
}
.pillar.kill:hover { border-color: var(--danger); }
.pillar.kill .pillar-icon {
  background: rgba(239, 68, 68, 0.10);
  color: var(--danger);
}
.pillar.kill .pillar-icon svg { stroke-width: 1.75; }

/* ───────────────────────── Tier 3 — Workforce ───────────────────────── */

.agent-groups { display: flex; flex-direction: column; gap: 40px; }

.agent-group-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.agent-group-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0;
}
.agent-group-name .pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 3px;
  margin-left: 10px;
  background: var(--surface-2);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  vertical-align: middle;
}
.agent-group-name .pill.gov   { color: var(--quarn); border-color: rgba(0,212,126,0.30); background: rgba(0,212,126,0.06); }
.agent-group-name .pill.alone { color: var(--info); border-color: rgba(6,182,212,0.30); background: rgba(6,182,212,0.06); }
.agent-group-name .pill.rebld { color: var(--warning); border-color: rgba(245,158,11,0.30); background: rgba(245,158,11,0.06); }
.agent-group-name .pill.mcp   { color: var(--text-tertiary); }

.agent-group-note {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
}

.agent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.agent-grid.two   { grid-template-columns: repeat(2, 1fr); max-width: 800px; }
.agent-grid.split { grid-template-columns: 1fr 1fr; gap: 14px; }

.agent {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color var(--dur-fast) var(--ease-out);
}
.agent:hover { border-color: var(--border-hover); }
.agent.warden { border-color: rgba(0,212,126,0.30); }

.agent-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.agent-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0;
  display: flex; align-items: center; gap: 8px;
}
.agent-name .star {
  color: var(--quarn);
  font-size: 11px;
}
.agent-role {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 4px 0 0;
}

.agent-meta {
  display: grid;
  grid-template-columns: 60px 1fr;
  font-family: var(--font-mono);
  font-size: 12px;
  row-gap: 4px;
}
.agent-meta dt { color: var(--text-tertiary); letter-spacing: 0.04em; }
.agent-meta dd { color: var(--text-primary); margin: 0; }

.agent-copy {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.agent-copy p { margin: 0; font-size: 13px; line-height: 1.55; color: var(--text-secondary); }
.agent-copy .why {
  font-family: var(--font-display);
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-primary);
  font-style: italic;
}

.agent-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 3px;
  background: var(--surface-2);
  color: var(--text-secondary);
}
.agent-status .dot { width: 6px; height: 6px; border-radius: 50%; }
.agent-status.live .dot     { background: var(--success); }
.agent-status.rebld .dot    { background: var(--warning); }
.agent-status.bounded .dot  { background: var(--info); }
.agent-status.live    { color: var(--success); }
.agent-status.rebld   { color: var(--warning); }
.agent-status.bounded { color: var(--info); }

/* ───────────────────────── Tier 4 — Backbone ───────────────────────── */

/* Integration diagram */
.bb-diagram {
  background: var(--void);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 32px;
  margin-bottom: 32px;
  overflow: hidden;
}
.bb-diagram-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
  gap: 16px;
  flex-wrap: wrap;
}
.bb-diagram-head h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0;
}
.bb-diagram-head .hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
}
.bb-diagram svg { width: 100%; height: auto; display: block; }

/* Diagram motion ───────────────────────── */
@keyframes bb-flow      { to { stroke-dashoffset: -28; } }
@keyframes bb-flow-slow { to { stroke-dashoffset: -56; } }
@keyframes bb-breath    { 0%,100% { opacity: 0.35; } 50% { opacity: 1; } }
@keyframes bb-pulse {
  0%   { transform: scale(1);   opacity: 0.7; }
  100% { transform: scale(4.5); opacity: 0;   }
}
@keyframes bb-rim {
  0%,100% { opacity: 0.25; }
  50%     { opacity: 0.65; }
}

.bb-diagram .flow      { stroke-dasharray: 6 8; animation: bb-flow 1.8s linear infinite; }
.bb-diagram .flow-q    { stroke-dasharray: 6 8; animation: bb-flow 1.4s linear infinite; }
.bb-diagram .flow-slow { stroke-dasharray: 4 10; animation: bb-flow-slow 3.2s linear infinite; }
.bb-diagram .led       { transform-origin: center; animation: bb-breath 2.6s ease-in-out infinite; }
.bb-diagram .led-2 { animation-delay: -0.4s; }
.bb-diagram .led-3 { animation-delay: -0.8s; }
.bb-diagram .led-4 { animation-delay: -1.2s; }
.bb-diagram .led-5 { animation-delay: -1.6s; }
.bb-diagram .led-6 { animation-delay: -2.0s; }
.bb-diagram .led-7 { animation-delay: -2.4s; }
.bb-diagram .pulse-ring {
  transform-origin: center;
  transform-box: fill-box;
  animation: bb-pulse 2.4s ease-out infinite;
}
.bb-diagram .pulse-ring-2 { animation-delay: -1.2s; }
.bb-diagram .rim          { animation: bb-rim 3.2s ease-in-out infinite; }

/* The executive node gets a quarn-tinted border */
.bb-diagram .node-exec rect.body {
  stroke: rgba(0, 212, 126, 0.45);
  stroke-width: 1.5;
}

/* Expanded card fields */
.bb-plain {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-primary);
  margin: 0;
}
.bb-plain strong { font-weight: 500; color: var(--text-primary); }
.bb-example {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}
.bb-example .lbl {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}
.bb-example .body {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  margin: 0;
}
.bb-hood {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  line-height: 1.5;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}
.bb-hood .lbl {
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 10px;
  margin-right: 4px;
}
.bb-hood .item { padding-right: 14px; border-right: 1px solid var(--border); }
.bb-hood .item:last-child { border-right: none; padding-right: 0; }

.backbone {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.bb {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: border-color var(--dur-fast) var(--ease-out);
}
.bb:hover { border-color: var(--border-hover); }

.bb-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.bb-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 28px;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0;
}
.bb-name .mono { font-family: var(--font-mono); font-size: 22px; font-weight: 500; }
.bb-handle {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 6px;
  display: flex; align-items: center; gap: 6px;
  flex-wrap: wrap;
}
.bb-handle .future {
  color: var(--quarn);
  border: 1px solid rgba(0,212,126,0.25);
  background: rgba(0,212,126,0.05);
  border-radius: 3px;
  padding: 2px 5px;
  font-size: 10px;
}
.bb-pillar {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  background: rgba(0,212,126,0.08);
  color: var(--quarn);
  border: 1px solid rgba(0,212,126,0.28);
  white-space: nowrap;
}

.bb-what {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.45;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: -0.01em;
}
.bb-does {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
}

.bb-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.bb-meta-block .lbl {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 6px;
}
.bb-meta-block .body {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-primary);
}

.bb-risk {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 3px;
  background: rgba(239,68,68,0.08);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,0.22);
  margin-top: 4px;
}

.bb-connects { display: flex; flex-direction: column; gap: 8px; }
.bb-connects .lbl {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  background: var(--surface-2);
  color: var(--text-primary);
  border: 1px solid var(--border);
  text-decoration: none;
  transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
  min-height: 28px;
}
.chip:hover { border-color: var(--border-hover); color: var(--text-primary); }
.chip .arrow { color: var(--text-tertiary); font-size: 10px; }

/* ───────────────────────── Tier 5 — Map ───────────────────────── */

.map-wrap {
  position: relative;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.map-toolbar {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 5;
  display: flex;
  gap: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 4px;
}
.map-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.map-btn:hover { background: var(--surface-1); color: var(--text-primary); }
.map-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.map-btn svg { width: 16px; height: 16px; }

.map-stage {
  width: 100%;
  height: 640px;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
  background:
    radial-gradient(circle at 20% 30%, rgba(0,212,126,0.04), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(6,182,212,0.03), transparent 50%),
    var(--surface-1);
}
.map-stage.grabbing { cursor: grabbing; }
.map-svg { width: 100%; height: 100%; transform-origin: 0 0; user-select: none; }

.map-legend {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 24px;
}
.legend-item {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex; gap: 12px; align-items: flex-start;
}
.legend-swatch {
  width: 18px; height: 18px;
  border-radius: 4px;
  flex-shrink: 0;
  margin-top: 2px;
}
.legend-item .ttl { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.legend-item .sub { font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary); margin-top: 4px; }

/* Footer */
.atlas-foot {
  margin-top: 96px;
  padding: 40px 0 32px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
}
.atlas-foot .text {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  line-height: 1.7;
  max-width: 60ch;
}
.atlas-foot .stamp {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  text-align: right;
}
.atlas-foot .stamp .v { color: var(--quarn); }

/* ───────────────────────── Responsive ───────────────────────── */

@media (max-width: 1024px) {
  .main { padding: 0 32px 64px; }
  .hero-tagline { font-size: 64px; }
  .tier-h { font-size: 40px; }
}

@media (max-width: 768px) {
  .atlas { grid-template-columns: 1fr; }
  .sidenav {
    position: fixed;
    inset: 0;
    width: 320px;
    max-width: 88vw;
    height: 100vh;
    z-index: 50;
    transform: translateX(-105%);
    transition: transform var(--dur-medium) var(--ease-out);
    border-right: 1px solid var(--border);
    background: var(--void);
    overflow-y: auto;
  }
  .sidenav.open { transform: translateX(0); }
  .nav-link { min-height: 48px; }

  .mobile-bar {
    display: flex;
    position: sticky;
    top: 0;
    z-index: 40;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: rgba(10,10,12,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
  }
  .mobile-bar .brand .wordmark-atlas { font-size: 18px; }
  .mobile-bar .brand .brand-glyph { width: 22px; height: 22px; }
  .mobile-bar .brand .brand-tag { display: none; }
  .hamb {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
  }
  .hamb svg { width: 20px; height: 20px; }

  .scrim {
    position: fixed; inset: 0; z-index: 45;
    background: rgba(10,10,12,0.7);
    backdrop-filter: blur(4px);
    opacity: 0; pointer-events: none;
    transition: opacity var(--dur-medium) var(--ease-out);
  }
  .scrim.show { opacity: 1; pointer-events: auto; }

  .main { padding: 0 20px 64px; }

  .hero { padding: 32px 0 32px; min-height: auto; }
  .hero-wordmark { gap: 12px; margin-bottom: 24px; }
  .hero-wordmark .glyph { width: 40px; height: 40px; }
  .hero-wordmark .text { font-size: 40px; }
  .hero-tagline { font-size: 44px; }
  .hero-positioning { font-size: 17px; margin-bottom: 32px; }
  .hero-narrative { grid-template-columns: 1fr; gap: 12px; }
  .fronts { grid-template-columns: 1fr; }

  .tier { padding: 64px 0 32px; }
  .tier-h { font-size: 30px; }

  .pillars { grid-template-columns: 1fr; }
  .pillar { min-height: auto; padding: 24px; }
  .pillar-name { font-size: 26px; }

  .agent-grid, .agent-grid.two, .agent-grid.split { grid-template-columns: 1fr; }

  .backbone { grid-template-columns: 1fr; }
  .bb { padding: 22px; }
  .bb-name { font-size: 24px; }
  .bb-meta { grid-template-columns: 1fr; gap: 12px; }

  .map-stage { height: 480px; }
}

@media (max-width: 480px) {
  .hero-tagline { font-size: 36px; }
  .tier-h { font-size: 26px; }
  .map-stage { height: 420px; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ═══════════════════════════════════════════════════════════════
   Tier insertions & polish (Day in the Life, Closing, Pull quotes)
   ═══════════════════════════════════════════════════════════════ */

/* ───── Day in the Life ───── */
.day-list { display: flex; flex-direction: column; }
.day {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  padding: 28px 0;
  border-top: 1px solid var(--border);
  transition: background var(--dur-fast) var(--ease-out);
}
.day:hover { background: rgba(255,255,255,0.012); }
.day:last-child { border-bottom: 1px solid var(--border); }
.day-time {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 22px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.day-time .zone {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-tertiary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.day-actor {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--text-primary);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.day-actor .who { color: var(--quarn); }
.day-event {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
  max-width: 60ch;
}
.day-event strong { color: var(--text-primary); font-weight: 500; }

/* ───── Pull-quote ───── */
.pq {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 64px 32px;
  margin: 0;
  text-align: center;
}
.pq blockquote {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 36px;
  line-height: 1.25;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  max-width: 28ch;
  margin: 0 auto 20px;
  text-wrap: balance;
  position: relative;
}
.pq blockquote::before {
  content: "“";
  display: block;
  font-family: var(--font-display);
  font-size: 56px;
  color: var(--quarn);
  line-height: 0.7;
  margin-bottom: 16px;
  font-weight: 600;
}
.pq cite {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-style: normal;
  color: var(--text-tertiary);
}
@media (max-width: 768px) {
  .pq { padding: 48px 0; }
  .pq blockquote { font-size: 24px; }
}

/* ───── Closing tier — Net effect ───── */
.net-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 56px;
}
.net {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.net .lbl {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.net .h {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 24px;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0;
}
.net p { margin: 0; font-size: 14px; line-height: 1.6; color: var(--text-secondary); }

/* Build velocity strip */
.velocity {
  padding-top: 32px;
  margin-top: 8px;
  border-top: 1px solid var(--border);
}
.velocity-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 32px; gap: 16px; flex-wrap: wrap;
}
.velocity-head h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0;
}
.velocity-head .hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
}
.velo-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  position: relative;
  padding-top: 8px;
}
.velo-grid::before {
  content: '';
  position: absolute;
  top: 14px; left: 5%; right: 5%;
  height: 1px;
  background: var(--border);
}
.velo {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  position: relative; padding-top: 28px;
}
.velo::before {
  content: '';
  position: absolute;
  top: 8px; left: 50%;
  transform: translateX(-50%);
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--void);
  border: 2px solid var(--border-hover);
}
.velo.done::before { background: var(--quarn); border-color: var(--quarn); }
.velo .when {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.velo .what {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.4;
}

@media (max-width: 768px) {
  .net-cards { grid-template-columns: 1fr; }
  .day { grid-template-columns: 1fr; gap: 8px; padding: 22px 0; }
  .day-time { font-size: 18px; }
  .velo-grid { grid-template-columns: repeat(2, 1fr); }
  .velo-grid::before { display: none; }
  .velo { padding-top: 18px; }
  .velo::before { top: 0; }
}

/* ───── Glossary panel ───── */
.glossary-btn {
  position: fixed;
  right: 24px;
  bottom: 24px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  cursor: pointer;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  box-shadow: var(--shadow-md);
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.glossary-btn:hover { border-color: var(--border-hover); background: var(--surface-2); }
.glossary-btn kbd {
  font-family: var(--font-mono);
  font-size: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
  color: var(--text-secondary);
}
.glossary-panel {
  position: fixed;
  right: 24px;
  bottom: 84px;
  width: 380px;
  max-width: calc(100vw - 48px);
  max-height: 70vh;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
  z-index: 31;
  padding: 20px 24px;
  transform: translateY(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-medium) var(--ease-out), transform var(--dur-medium) var(--ease-out);
}
.glossary-panel.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.glossary-panel h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
  margin: 0 0 4px;
  color: var(--text-primary);
}
.glossary-panel .gloss-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}
.glossary-panel dl { margin: 0; }
.glossary-panel dt {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--quarn);
  font-weight: 500;
  margin-top: 12px;
}
.glossary-panel dt:first-of-type { margin-top: 0; }
.glossary-panel dd {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-secondary);
}

/* ───── Progress indicator (right edge) ───── */
.progress {
  position: fixed;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 25;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 12px 8px;
}
.progress a {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  text-decoration: none;
}
.progress a::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border);
  transition: background var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.progress a:hover::before { background: var(--text-secondary); transform: scale(1.3); }
.progress a.active::before { background: var(--quarn); transform: scale(1.3); }
.progress a::after {
  content: attr(data-label);
  position: absolute;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-primary);
  white-space: nowrap;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 5px 10px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-fast) var(--ease-out);
  letter-spacing: 0.04em;
}
.progress a:hover::after { opacity: 1; }

@media (max-width: 1100px) {
  .progress { display: none; }
}

/* ───── Diagram interactions ───── */
.play-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  padding: 12px 16px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.play-btn {
  background: var(--quarn);
  color: var(--void);
  border: none;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 13px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
  min-height: 40px;
}
.play-btn:hover { background: var(--quarn-light); }
.play-btn:disabled { background: var(--surface-2); color: var(--text-tertiary); cursor: not-allowed; }
.play-btn svg { width: 14px; height: 14px; }
.play-status {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  flex: 1;
  letter-spacing: 0.02em;
}
.play-status .step-n { color: var(--quarn); }
.play-help {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-tertiary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Diagram node interactivity */
.bb-diagram svg { transition: opacity var(--dur-medium) var(--ease-out); }
.bb-diagram svg .node { cursor: pointer; transition: opacity var(--dur-fast) var(--ease-out); }
.bb-diagram svg .node .body { transition: stroke var(--dur-fast) var(--ease-out), stroke-width var(--dur-fast) var(--ease-out); }
.bb-diagram svg.tracing .node:not(.lit) { opacity: 0.18; }
.bb-diagram svg.tracing .flow:not(.lit),
.bb-diagram svg.tracing .flow-q:not(.lit),
.bb-diagram svg.tracing .flow-slow:not(.lit) { opacity: 0.1; }
.bb-diagram svg .node.lit .body {
  stroke: #00D47E !important;
  stroke-width: 2 !important;
}
.bb-diagram svg .flow.lit,
.bb-diagram svg .flow-q.lit,
.bb-diagram svg .flow-slow.lit {
  stroke: #00D47E !important;
  stroke-opacity: 1 !important;
  stroke-width: 2.4 !important;
  animation-duration: 0.8s !important;
}
.bb-diagram svg .node.pulse-now circle.led {
  transform: scale(2);
  transform-origin: center;
  transform-box: fill-box;
  transition: transform 200ms var(--ease-out);
}

/* Traveling packets — always-on ambient flow */
.bb-diagram .packet {
  fill: #00D47E;
  filter: drop-shadow(0 0 5px rgba(0,212,126,0.7));
  transition: opacity 240ms var(--ease-out);
}
/* Hide ambient packets during a scripted trace so the trace-dot stands alone */
.bb-diagram svg.tracing .packet { opacity: 0; }

/* ─── Trace patterns chip selector ─── */
.trace-patterns {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.trace-chip {
  background: transparent;
  color: var(--text-secondary);
  border: none;
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.01em;
  padding: 7px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.trace-chip:hover { color: var(--text-primary); background: rgba(255,255,255,0.04); }
.trace-chip.is-active {
  background: var(--quarn);
  color: var(--void);
  font-weight: 600;
}
.trace-chip.is-active:hover { background: var(--quarn-light); }

/* ─── Stage layout — diagram + receipt side-by-side ─── */
.bb-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 20px;
  align-items: stretch;
}
.bb-stage > svg { min-width: 0; }
@media (max-width: 1023px) {
  .bb-stage { grid-template-columns: 1fr; }
}

/* ─── Trace receipt panel ─── */
.trace-receipt {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 260px;
}
.tr-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.tr-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.tr-hint {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  text-transform: uppercase;
}
.tr-hint.is-running { color: var(--quarn); }
.tr-log {
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.55;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
  flex: 1;
}
.tr-log li {
  opacity: 0;
  transform: translateY(2px);
  transition: opacity 280ms var(--ease-out), transform 280ms var(--ease-out);
  letter-spacing: 0.01em;
}
.tr-log li.is-visible { opacity: 1; transform: translateY(0); }
.tr-log li.is-active { color: var(--quarn); }
.tr-log li.is-confirm { color: var(--text-primary); }
.tr-log li.tr-step-head {
  font-family: var(--font-ui);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
}
.tr-log li.tr-step-head:first-child { margin-top: 0; padding-top: 0; border-top: none; }

/* ─── Animated trace dot + arrival ripple + tooltip (runtime SVG group) ─── */
.bb-diagram svg .trace-dot {
  fill: #00D47E;
  filter: drop-shadow(0 0 12px rgba(0,212,126,1)) drop-shadow(0 0 4px rgba(0,212,126,0.85));
}
.bb-diagram svg .trace-dot-halo {
  fill: none;
  stroke: #00D47E;
  stroke-width: 2;
  opacity: 0.55;
  filter: drop-shadow(0 0 8px rgba(0,212,126,0.7));
}
.bb-diagram svg .trace-ripple {
  fill: none;
  stroke: #00D47E;
  stroke-width: 2;
  transform-box: fill-box;
  transform-origin: center;
  animation: trace-ripple-anim 900ms var(--ease-out) forwards;
}
@keyframes trace-ripple-anim {
  0%   { r: 8;  opacity: 0.95; stroke-width: 2.5; }
  100% { r: 70; opacity: 0;    stroke-width: 0.6; }
}
/* Destination-arrival flash on the node card itself */
.bb-diagram svg .node.trace-arrive .body {
  animation: trace-card-flash 900ms var(--ease-out);
}
@keyframes trace-card-flash {
  0%   { stroke: #00D47E; stroke-width: 2; filter: drop-shadow(0 0 0 rgba(0,212,126,0)); }
  35%  { stroke: #00D47E; stroke-width: 3.5; filter: drop-shadow(0 0 18px rgba(0,212,126,0.9)); }
  100% { stroke: #00D47E; stroke-width: 2; filter: drop-shadow(0 0 0 rgba(0,212,126,0)); }
}
/* Make the pulse-now LED scale even more pronounced during a trace */
.bb-diagram svg.tracing .node.pulse-now circle.led {
  transform: scale(2.6);
  filter: drop-shadow(0 0 10px rgba(0,212,126,1));
}
/* Active path during trace — pulse the dash flow faster + brighter */
.bb-diagram svg.tracing .flow.lit,
.bb-diagram svg.tracing .flow-q.lit,
.bb-diagram svg.tracing .flow-slow.lit {
  stroke-width: 3 !important;
  filter: drop-shadow(0 0 6px rgba(0,212,126,0.75));
  animation-duration: 0.5s !important;
}
.bb-diagram svg .trace-tooltip rect {
  fill: #0F0F14;
  stroke: #00D47E;
  stroke-opacity: 0.55;
  stroke-width: 1;
  filter: drop-shadow(0 4px 14px rgba(0,0,0,0.55));
}
.bb-diagram svg .trace-tooltip text { fill: var(--text-primary); }
.bb-diagram svg .trace-tooltip {
  opacity: 0;
  transition: opacity 220ms var(--ease-out);
}
.bb-diagram svg .trace-tooltip.is-visible { opacity: 1; }

/* ═══════════════════════════════════════════════════════════════
   Tier — UKR Spotlight (Option E)
   The one place the fleet doesn't forget.
   ═══════════════════════════════════════════════════════════════ */

.ukr-stage { display: flex; flex-direction: column; gap: 16px; }

/* ───── Panel 1 — Hero ───── */
.ukr-hero {
  background:
    radial-gradient(ellipse 60% 80% at 100% 0%, rgba(0,212,126,0.08), transparent 60%),
    var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px 48px 40px;
  position: relative;
  overflow: hidden;
}
.ukr-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 88% 12%, rgba(0,212,126,0.25), transparent 30%);
  opacity: 0.35;
  pointer-events: none;
}
.ukr-hero .lbl {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--quarn);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.ukr-wordmark {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 120px;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin: 0 0 24px;
  position: relative;
  z-index: 1;
}
.ukr-tagline {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 36px;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin: 0 0 16px;
  max-width: 22ch;
  position: relative;
  z-index: 1;
}
.ukr-sub {
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 60ch;
  margin: 0 0 32px;
  position: relative;
  z-index: 1;
}

.ukr-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}
.ukr-stat { padding: 0 24px; border-right: 1px solid var(--border); }
.ukr-stat:first-child { padding-left: 0; }
.ukr-stat:last-child { padding-right: 0; border-right: none; }
.ukr-stat .k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 6px;
}
.ukr-stat .v {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  line-height: 1.35;
}

/* ───── Two-column row: vocab mat + side strip ───── */
.ukr-row {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 16px;
}

/* ───── Panel 2 — The vocab mat (6 layers + 5 verbs) ───── */
.ukr-vocab {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.ukr-vocab-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}
.ukr-vocab-head h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0;
}
.ukr-vocab-head .hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
}

.ukr-block .block-lbl {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}

.layer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.layer {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.layer .n {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-tertiary);
  letter-spacing: 0.08em;
}
.layer .name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}
.layer .what {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-top: 2px;
}

.verb-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}
.verb {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}
.verb code {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.verb .what {
  font-size: 11px;
  line-height: 1.45;
  color: var(--text-secondary);
}

/* ───── Side strip — Three access paths + feedback rotor ───── */
.ukr-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.ukr-side-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 24px;
}
.ukr-side-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0 0 4px;
}
.ukr-side-card .sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 18px;
}

/* Access paths */
.access-list { display: flex; flex-direction: column; gap: 10px; }
.access {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.access .icon {
  width: 28px; height: 28px;
  border-radius: 6px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
}
.access .icon svg { width: 14px; height: 14px; }
.access .name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.2;
}
.access .name code { font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary); font-weight: 400; display: block; margin-top: 2px;}
.access .trust {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 3px;
  border: 1px solid var(--border);
  color: var(--text-tertiary);
}
.access .trust.full     { color: var(--success);  border-color: rgba(16,185,129,0.30); background: rgba(16,185,129,0.06); }
.access .trust.brokered { color: var(--info);     border-color: rgba(6,182,212,0.30);  background: rgba(6,182,212,0.06); }
.access .trust.manual   { color: var(--warning);  border-color: rgba(245,158,11,0.30); background: rgba(245,158,11,0.06); }

/* Feedback rotor */
.rotor-wrap {
  display: flex;
  gap: 16px;
  align-items: center;
}
.rotor { flex-shrink: 0; }
.rotor svg { width: 96px; height: 96px; }
.rotor-text { flex: 1; }
.rotor-text p {
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0 0 6px;
}
.rotor-text .ticks {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
}

@keyframes rotor-spin { to { transform: rotate(360deg); } }
@keyframes rotor-pulse { 0%,100% { opacity: 0.35; } 50% { opacity: 1; } }

.rotor .ring {
  transform-origin: 48px 48px;
  animation: rotor-spin 22s linear infinite;
  fill: none;
  stroke: #00D47E;
  stroke-opacity: 0.7;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 8 14;
}
.rotor .tick { animation: rotor-pulse 2.6s ease-in-out infinite; }
.rotor .tick-2 { animation-delay: -1.3s; }

/* ───── Panel 3 — Authority Stack ───── */
.ukr-auth {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
}
.ukr-auth-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 24px;
}
.ukr-auth-head h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0;
}
.ukr-auth-head .hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
}

.auth-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.auth-col {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 240px;
  position: relative;
}
.auth-col .top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.auth-col .badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 3px;
  border: 1px solid var(--border);
  color: var(--text-tertiary);
}
.auth-col .icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
}
.auth-col .icon svg { width: 16px; height: 16px; }
.auth-col h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0;
}
.auth-col .label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
}
.auth-col .items {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}
.auth-col .items span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  padding: 6px 10px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 4px;
}
.auth-col .rule {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-top: auto;
  padding-top: 8px;
}

/* Canonical column — emphasized */
.auth-col.canon {
  background: rgba(0,212,126,0.04);
  border-color: rgba(0,212,126,0.35);
}
.auth-col.canon .badge { color: var(--quarn); border-color: rgba(0,212,126,0.35); background: rgba(0,212,126,0.08); }
.auth-col.canon .icon  { color: var(--quarn); border-color: rgba(0,212,126,0.35); }

/* Ephemeral column — softened */
.auth-col.eph { opacity: 0.85; }
.auth-col.eph .label { color: var(--text-tertiary); }

.auth-rule {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 18px 24px;
  background: var(--void);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
}
.auth-rule .glyph {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  color: var(--quarn);
}
.auth-rule .glyph svg { width: 18px; height: 18px; }
.auth-rule .text {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}
.auth-rule .text em { font-style: normal; color: var(--quarn); }

/* ───── Panel 4 — Ingest Forge ───── */
.ukr-forge {
  background:
    linear-gradient(180deg, var(--void) 0%, var(--surface-1) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  overflow: hidden;
  position: relative;
}
.ukr-forge-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 28px;
}
.ukr-forge-head h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0;
}
.ukr-forge-head .hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
}

.ukr-forge svg { width: 100%; height: auto; display: block; }

@keyframes forge-flow      { to { stroke-dashoffset: -32; } }
@keyframes forge-breath    { 0%,100% { opacity: 0.35; } 50% { opacity: 1; } }
@keyframes forge-secret-blink {
  0%, 80%, 100% { opacity: 1; }
  85%, 95%      { opacity: 0; }
}
.ukr-forge .pipe    { stroke-dasharray: 8 8; animation: forge-flow 2.2s linear infinite; }
.ukr-forge .led     { animation: forge-breath 2.6s ease-in-out infinite; }
.ukr-forge .led-2 { animation-delay: -0.4s; }
.ukr-forge .led-3 { animation-delay: -0.8s; }
.ukr-forge .led-4 { animation-delay: -1.2s; }
.ukr-forge .led-5 { animation-delay: -1.6s; }
.ukr-forge .led-6 { animation-delay: -2.0s; }
.ukr-forge .secret-blink { animation: forge-secret-blink 3.4s linear infinite; }

.ukr-forge-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  line-height: 1.5;
  padding-top: 20px;
  margin-top: 16px;
  border-top: 1px dashed var(--border);
}
.ukr-forge-foot .lbl {
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 10px;
  margin-right: 4px;
}
.ukr-forge-foot .item { padding-right: 14px; border-right: 1px solid var(--border); }
.ukr-forge-foot .item:last-child { border-right: none; padding-right: 0; }

/* ───── Connection chips at the bottom ───── */
.ukr-connect {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: 20px 24px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.ukr-connect .lbl {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

/* ───── Responsive ───── */
@media (max-width: 1024px) {
  .ukr-wordmark { font-size: 88px; }
  .ukr-tagline { font-size: 30px; }
  .layer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .ukr-hero { padding: 32px 24px 28px; }
  .ukr-wordmark { font-size: 64px; }
  .ukr-tagline { font-size: 22px; }
  .ukr-sub { font-size: 15px; margin-bottom: 24px; }
  .ukr-stats { grid-template-columns: 1fr; gap: 16px; padding-top: 20px; }
  .ukr-stat { padding: 0; border-right: none; border-bottom: 1px solid var(--border); padding-bottom: 14px; }
  .ukr-stat:last-child { border-bottom: none; padding-bottom: 0; }

  .ukr-row { grid-template-columns: 1fr; }
  .ukr-vocab { padding: 22px; }
  .layer-grid { grid-template-columns: 1fr 1fr; }
  .verb-grid { grid-template-columns: 1fr 1fr; }
  .auth-grid { grid-template-columns: 1fr; }
  .auth-col { min-height: auto; }
  .auth-rule .text { font-size: 15px; }
  .ukr-forge { padding: 22px; }
}