/* ── The Event Log · an i-ikigai field guide — design tokens ──
   Shared with i-ikigai.nl (ng-i-ikigai styles.scss):
   bg #0d0f14   surface #181c26   border #232840
   teal #00e5cc (consumers/acks)   amber #f5a623 (events)
   dead-letter pink #ff5c8a   text #e8eaf0   muted #6b7490
   DM Serif Display / DM Sans / DM Mono
──────────────────────────────────────────────────────────── */
/* palette + type come from /shared/tokens.css — layout vars only */
:root {
  --rail-w: 190px;
  --maxw: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(ellipse 900px 500px at 80% -10%, rgba(0, 229, 204, 0.045), transparent),
    radial-gradient(ellipse 700px 500px at 10% 20%, rgba(245, 166, 35, 0.035), transparent);
}

::selection { background: var(--cyan); color: var(--bg); }

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 0.08em 0.35em;
  color: var(--amber);
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

/* brand link back to the main site */
.guide-brand {
  position: fixed;
  top: 0;
  left: 28px;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  height: 44px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  text-decoration: none;
}
.guide-brand span { color: var(--muted); margin-right: 6px; }
.guide-brand:hover { text-decoration: none; color: var(--text); }

/* ── Offset rail ──────────────────────────────────────── */
.rail {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: var(--rail-w);
  display: flex;
  align-items: stretch;
  padding: 40px 0 40px 28px;
  z-index: 50;
}

.rail-line {
  position: relative;
  width: 2px;
  background: var(--line-soft);
  border-radius: 2px;
  flex: none;
}

.rail-cursor {
  position: absolute;
  left: 50%;
  top: 0;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 12px rgba(0, 229, 204, 0.7), 0 0 4px rgba(0, 229, 204, 0.9);
  transition: top 0.15s linear;
}

.rail-stops {
  list-style: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  margin-left: 18px;
  flex: 1;
}

.rail-stops a {
  display: flex;
  flex-direction: column;
  gap: 1px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.3;
}

.rail-stops a:hover { text-decoration: none; color: var(--text); }

.stop-offset {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
  opacity: 0.7;
}

.rail-stops li.rail-active a { color: var(--cyan); }
.rail-stops li.rail-active .stop-offset { color: var(--cyan); opacity: 1; }

/* ── Shared bits ──────────────────────────────────────── */
.pulse-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--amber);
  margin-right: 8px;
  vertical-align: 1px;
  animation: pulse-glow 2.2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 173, 51, 0.5); }
  50% { box-shadow: 0 0 0 6px rgba(255, 173, 51, 0); }
}

.dot {
  display: inline-block;
  width: 9px; height: 9px;
  border-radius: 50%;
  margin-right: 6px;
}
.dot-amber { background: var(--amber); }
.dot-cyan { background: var(--cyan); }
.dot-pink { background: var(--pink); }

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 13px 26px;
  border-radius: 2px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.1s;
}
.btn:hover { text-decoration: none; border-color: var(--cyan); color: var(--cyan); background: transparent; }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #0d0f14;
  font-weight: 500;
}
.btn-primary:hover { background: #33ebd7; border-color: #33ebd7; color: #0d0f14; }

.btn-tiny { padding: 7px 14px; font-size: 12.5px; }

.chip {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 4px;
  margin-right: 8px;
  vertical-align: 2px;
}
.chip-muted { background: var(--line-soft); color: var(--muted); }
.chip-amber { background: var(--amber-dim); color: var(--amber); }

/* ── Hero ─────────────────────────────────────────────── */
.hero {
  min-height: 92vh;
  display: grid;
  grid-template-columns: minmax(380px, 46%) 1fr;
  gap: 40px;
  align-items: center;
  padding: 60px 48px 60px calc(var(--rail-w) + 40px);
  max-width: calc(var(--maxw) + var(--rail-w) + 120px);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 26px;
}
.eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--cyan);
}

.hero h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(44px, 6.6vw, 92px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.hero h1 em {
  font-style: italic;
  color: var(--cyan);
  position: relative;
}

.hero-sub {
  font-size: 18px;
  color: var(--muted);
  max-width: 46ch;
  margin-bottom: 34px;
}

.hero-actions { display: flex; gap: 14px; margin-bottom: 22px; }

.hero-hint {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
  opacity: 0.75;
}

.hero-bus { position: relative; min-width: 0; }

#busCanvas {
  width: 100%;
  height: 520px;
  display: block;
  cursor: pointer;
}

.bus-legend {
  display: flex;
  gap: 22px;
  justify-content: center;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

/* ── Sections ─────────────────────────────────────────── */
.section {
  padding: 110px 48px 30px calc(var(--rail-w) + 40px);
  max-width: calc(var(--maxw) + var(--rail-w) + 120px);
}

.section-head { max-width: 760px; margin-bottom: 48px; }

.offset-tag {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 20px;
}
.offset-tag::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--cyan);
}

.section h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(30px, 3.8vw, 50px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin-bottom: 20px;
}

.section-lede { font-size: 18px; color: var(--muted); }
.section-lede strong { color: var(--text); }

.section h3 {
  font-family: var(--display);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: 0.01em;
  margin-bottom: 14px;
}

/* ── Fundamentals: compare panels ─────────────────────── */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-bottom: 60px;
}

.compare-panel {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 26px 26px 22px;
}

.compare-panel p { font-size: 15px; color: var(--muted); }
.compare-panel p strong { color: var(--text); }

.compare-viz {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  padding: 26px 20px;
  margin-bottom: 18px;
  min-height: 118px;
}

.node {
  font-family: var(--mono);
  font-size: 12px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--bg);
  white-space: nowrap;
  flex: none;
}

.node-sm { padding: 6px 10px; font-size: 11px; }

.node-busy { border-color: var(--pink); color: var(--pink); animation: busy-blink 1.6s steps(2) infinite; }

@keyframes busy-blink { 50% { opacity: 0.45; } }

/* request/response wire: ball goes there, stalls, comes back */
.rr-wire {
  position: relative;
  flex: 1;
  height: 2px;
  background: var(--line);
}
.rr-ball {
  position: absolute;
  top: 50%;
  left: 0;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--pink);
  transform: translate(-50%, -50%);
  animation: rr-trip 3.6s ease-in-out infinite;
}
@keyframes rr-trip {
  0%   { left: 0%;   opacity: 1; }
  35%  { left: 100%; }
  60%  { left: 100%; }  /* stalled at the busy service */
  95%  { left: 0%;   opacity: 1; }
  100% { left: 0%;   opacity: 0; }
}
.rr-label {
  position: absolute;
  top: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--pink);
  animation: rr-wait 3.6s linear infinite;
  opacity: 0;
}
@keyframes rr-wait { 35%, 60% { opacity: 1; } 0%, 30%, 65%, 100% { opacity: 0; } }

/* event-driven fan */
.ed-fan { flex: 1; display: flex; flex-direction: column; gap: 16px; }
.ed-wire { position: relative; height: 2px; background: var(--line); display: block; }
.ed-wire i {
  position: absolute;
  top: 50%;
  left: 0;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--amber);
  transform: translate(-50%, -50%);
  animation: ed-flow 2.4s linear infinite;
}
.ed-wire.w2 i { animation-delay: 0.5s; background: var(--amber); }
.ed-wire.w3 i { animation-delay: 1.1s; }
@keyframes ed-flow {
  0% { left: 0%; opacity: 0; }
  8% { opacity: 1; }
  88% { opacity: 1; background: var(--amber); }
  100% { left: 100%; opacity: 0; background: var(--cyan); }
}
.ed-consumers { display: flex; flex-direction: column; gap: 8px; }

/* anatomy */
.anatomy h3 { margin-bottom: 20px; }
.anatomy-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 1fr;
  gap: 28px;
  align-items: start;
}

.code-card {
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  padding: 20px 22px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
}
.code-card code { background: none; border: none; padding: 0; color: var(--text); font-size: inherit; }
.c-key { color: var(--cyan); }
.c-str { color: var(--amber); }
.c-num { color: var(--green); }
.c-punct { color: var(--muted); }
.c-note { color: var(--muted); opacity: 0.65; }

.anatomy-notes { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.anatomy-notes li {
  font-size: 15px;
  color: var(--muted);
  padding-left: 18px;
  border-left: 2px solid var(--line);
}
.anatomy-notes li strong { color: var(--text); }

/* ── Patterns ─────────────────────────────────────────── */
.pattern-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.pattern-card {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 24px 26px 22px;
  transition: border-color 0.2s, transform 0.2s;
}
.pattern-card:hover { border-color: var(--line); transform: translateY(-2px); }

.pattern-card-wide { grid-column: 1 / -1; }

.pattern-card p { font-size: 15px; color: var(--muted); }
.pattern-card p strong { color: var(--text); }
.pattern-card h3 { margin-top: 18px; }

.pattern-use {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
  font-size: 14px;
}

.pattern-viz {
  position: relative;
  height: 96px;
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  overflow: hidden;
}

.pv-node {
  position: absolute;
  width: 14px; height: 14px;
  border-radius: 4px;
  background: var(--bg);
  border: 1.5px solid var(--muted);
}
.pv-src { left: 24px; top: 50%; transform: translateY(-50%); border-color: var(--amber); }
.pv-dst { right: 24px; top: 50%; transform: translateY(-50%); border-color: var(--cyan); }
.pv-mid { border-color: var(--cyan); top: 50%; transform: translateY(-50%); }

/* pattern animations run always but subtly; speed up on hover */
.pattern-viz i { animation-play-state: running; }

/* pub/sub */
.viz-pubsub .pv-dst.d1 { top: 22%; }
.viz-pubsub .pv-dst.d2 { top: 50%; }
.viz-pubsub .pv-dst.d3 { top: 78%; }
.pv-wire {
  position: absolute;
  left: 44px;
  right: 44px;
  height: 1.5px;
  background: var(--line-soft);
  top: 50%;
}
.viz-pubsub .pw-a { transform: rotate(-9deg); transform-origin: left center; }
.viz-pubsub .pw-c { transform: rotate(9deg); transform-origin: left center; }
.pv-wire i {
  position: absolute;
  top: 50%; left: 0;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--amber);
  transform: translate(-50%, -50%);
  animation: pv-flow 2.8s linear infinite;
}
@keyframes pv-flow {
  0% { left: 0; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}
.pattern-card:hover .pv-wire i, .pattern-card:hover .qv-track i,
.pattern-card:hover .cq-wire i, .pattern-card:hover .sg-wire i { animation-duration: 1.3s; }

/* queue */
.qv-track {
  position: absolute;
  left: 52px; right: 52px; top: 50%;
  height: 22px;
  transform: translateY(-50%);
  border: 1px dashed var(--line);
  border-radius: 4px;
}
.qv-track i {
  position: absolute;
  top: 50%; left: 0;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--amber);
  transform: translate(-50%, -50%);
  animation: qv-step 3s linear infinite;
}
.qv-track i.q2 { animation-delay: 1s; }
.qv-track i.q3 { animation-delay: 2s; }
@keyframes qv-step {
  0% { left: 0%; opacity: 0; }
  10% { opacity: 1; left: 15%; }
  35% { left: 35%; }
  60% { left: 60%; }
  85% { left: 85%; opacity: 1; }
  100% { left: 100%; opacity: 0; }
}

/* event sourcing */
.sv-log {
  position: absolute;
  left: 24px; top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 5px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 5px;
}
.sv-log i {
  width: 12px; height: 22px;
  background: var(--line);
  border-radius: 2px;
  display: block;
}
.sv-log i.sv-new { background: var(--amber); animation: sv-append 2.6s ease-in-out infinite; }
@keyframes sv-append {
  0%, 15% { opacity: 0; transform: translateY(-6px); }
  35%, 100% { opacity: 1; transform: translateY(0); }
}
.sv-arrow {
  position: absolute;
  right: 74px; top: 50%;
  transform: translateY(-55%);
  color: var(--muted);
  font-size: 18px;
}
.sv-state { border-color: var(--cyan); animation: sv-refresh 2.6s ease-in-out infinite; }
@keyframes sv-refresh { 35% { box-shadow: 0 0 0 0 rgba(95,212,244,0.5); } 60% { box-shadow: 0 0 0 8px rgba(95,212,244,0); } }

/* cqrs */
.cq-split { position: absolute; inset: 0; }
.cq-wire { position: absolute; left: 44px; right: 44px; height: 1.5px; background: var(--line-soft); top: 50%; }
.cq-wire.cq-w { transform: rotate(-10deg); transform-origin: left center; }
.cq-wire.cq-r { transform: rotate(10deg); transform-origin: left center; }
.cq-wire i {
  position: absolute; top: 50%; left: 0;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--amber);
  transform: translate(-50%, -50%);
  animation: pv-flow 2.8s linear infinite;
}
.cq-wire.cq-r i { animation-delay: 1.2s; background: var(--cyan); }
.cq-stores { position: absolute; inset: 0; }
.cq-write { top: 26% !important; }
.cq-read { top: 74% !important; border-color: var(--cyan); }

/* saga */
.viz-saga .pv-src { left: 28px; }
.viz-saga .pv-mid:nth-of-type(4) { left: 33%; }
.viz-saga .pv-mid:nth-of-type(6) { left: 62%; }
.sg-wire { position: absolute; top: 50%; height: 1.5px; background: var(--line-soft); }
.sg-1 { left: 48px; width: calc(33% - 58px); }
.sg-2 { left: calc(33% + 20px); width: calc(29% - 30px); }
.sg-3 { left: calc(62% + 20px); right: 48px; }
.sg-wire i {
  position: absolute; top: 50%; left: 0;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--amber);
  transform: translate(-50%, -50%);
  animation: sg-hop 4.5s linear infinite;
}
.sg-2 i { animation-delay: 1.5s; }
.sg-3 i { animation-delay: 3s; animation-name: sg-hop-fail; }
@keyframes sg-hop {
  0% { left: 0; opacity: 0; }
  4% { opacity: 1; }
  29% { left: 100%; opacity: 1; }
  33%, 100% { opacity: 0; }
}
@keyframes sg-hop-fail {
  0% { left: 0; opacity: 0; background: var(--amber); }
  4% { opacity: 1; }
  20% { left: 65%; background: var(--amber); }
  24% { background: var(--pink); }
  29% { left: 65%; opacity: 1; background: var(--pink); }
  31% { opacity: 1; }
  46% { left: 0%; opacity: 1; background: var(--pink); } /* compensation travels back */
  50%, 100% { opacity: 0; }
}
.sg-x { border-color: var(--pink) !important; }

/* outbox */
.viz-outbox .ob-db { left: 50%; margin-left: -7px; border-color: var(--amber); border-radius: 50%; }
.ob-wire { position: absolute; top: 50%; height: 1.5px; background: var(--line-soft); }
.ob-1 { left: 44px; width: calc(50% - 62px); }
.ob-2 { left: calc(50% + 14px); right: 44px; }
.ob-wire i {
  position: absolute; top: 50%; left: 0;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--amber);
  transform: translate(-50%, -50%);
  animation: pv-flow 3s linear infinite;
}
.ob-2 i { animation-delay: 1.5s; background: var(--cyan); }
.pattern-card:hover .ob-wire i { animation-duration: 1.4s; }
.ob-label {
  position: absolute;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  top: 66%;
}
.ob-l1 { left: 14%; }
.ob-l2 { left: 62%; }

.contract-table-wrap { margin-top: 40px; }

/* ── Simulator ────────────────────────────────────────── */
.sim {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 28px;
}

.sim-controls {
  display: grid;
  grid-template-columns: repeat(3, 1fr) auto;
  gap: 26px;
  align-items: end;
  margin-bottom: 22px;
}

.sim-control label {
  display: block;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 10px;
}
.sim-control output { color: var(--amber); font-weight: 600; margin-left: 6px; }
.sim-control .unit { color: var(--muted); }

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--line);
  outline-offset: 6px;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--amber);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 1.5px var(--amber);
  cursor: grab;
}
input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--amber);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 1.5px var(--amber);
  cursor: grab;
}

.sim-presets { display: flex; flex-direction: column; gap: 8px; }

#simCanvas {
  width: 100%;
  height: 300px;
  display: block;
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
}

.sim-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.metric {
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  padding: 14px 18px;
}
.metric-label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}
.metric-value {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 600;
}
.metric-value.warn { color: var(--amber); }
.metric-value.crit { color: var(--pink); }
.metric-value.ok { color: var(--green); }

.sim-note {
  margin-top: 20px;
  font-size: 14.5px;
  color: var(--muted);
  border-left: 2px solid var(--amber);
  padding-left: 16px;
}

/* ── Delivery guarantees ──────────────────────────────── */
.guarantee {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 28px;
}

.guarantee-tabs { display: flex; gap: 10px; margin-bottom: 22px; flex-wrap: wrap; }

.gtab {
  font-family: var(--mono);
  font-size: 13.5px;
  padding: 10px 20px;
  border-radius: 2px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
}
.gtab:hover { color: var(--text); border-color: var(--muted); }
.gtab-active {
  background: var(--cyan-dim);
  border-color: var(--cyan);
  color: var(--cyan);
}

#gCanvas {
  width: 100%;
  height: 260px;
  display: block;
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
}

.guarantee-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
}
.g-dup.nonzero { color: var(--amber); }
.g-lost.nonzero { color: var(--pink); }

.guarantee-desc { margin-top: 20px; }
.guarantee-desc p { font-size: 15px; color: var(--muted); }
.guarantee-desc p strong { color: var(--text); }
.guarantee-fine {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line-soft);
  font-size: 13.5px !important;
}

/* ── Scenarios ────────────────────────────────────────── */
.scenario {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 28px;
}

.scenario-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }

.stab {
  font-family: var(--mono);
  font-size: 13px;
  padding: 9px 18px;
  border-radius: 2px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
}
.stab:hover { color: var(--text); border-color: var(--muted); }
.stab-active { background: var(--cyan-dim); border-color: var(--cyan); color: var(--cyan); }

.scenario-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, 1fr);
  gap: 24px;
  align-items: start;
}

#scnSvg {
  width: 100%;
  height: 380px;
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
}

.scenario-side { display: flex; flex-direction: column; gap: 14px; min-width: 0; }

.scn-step-head { display: flex; align-items: baseline; gap: 12px; }
.scn-step-count {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--amber);
  background: var(--amber-dim);
  border-radius: 4px;
  padding: 3px 9px;
  flex: none;
}
.scn-step-title {
  font-family: var(--display);
  font-weight: 400;
  font-size: 19px;
}

.scn-step-desc { font-size: 14.5px; color: var(--muted); min-height: 68px; }

.scn-payload {
  font-size: 12px;
  max-height: 168px;
  overflow: auto;
}

.scn-controls { display: flex; gap: 10px; }

/* svg node styles (applied from JS via classes) */
.scn-node rect {
  fill: var(--bg);
  stroke: var(--line);
  stroke-width: 1.5;
  rx: 8;
  transition: stroke 0.3s, fill 0.3s;
}
.scn-node text {
  fill: var(--muted);
  font-family: var(--mono);
  font-size: 11.5px;
  text-anchor: middle;
  transition: fill 0.3s;
}
.scn-node.active rect { stroke: var(--amber); fill: rgba(255, 173, 51, 0.08); }
.scn-node.active text { fill: var(--text); }
.scn-node.failed rect { stroke: var(--pink); fill: rgba(255, 92, 138, 0.08); }
.scn-node.failed text { fill: var(--pink); }
.scn-node.done rect { stroke: var(--cyan); }
.scn-node.done text { fill: var(--cyan); }

.scn-edge {
  stroke: var(--line-soft);
  stroke-width: 1.5;
  fill: none;
  transition: stroke 0.3s;
}
.scn-edge.active { stroke: var(--amber); }
.scn-edge.failed { stroke: var(--pink); }
.scn-edge-label {
  fill: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  text-anchor: middle;
  opacity: 0;
  transition: opacity 0.3s, fill 0.3s;
}
.scn-edge-label.active { opacity: 1; fill: var(--amber); }
.scn-edge-label.failed { opacity: 1; fill: var(--pink); }

.scn-pulse { fill: var(--amber); }
.scn-pulse.failed { fill: var(--pink); }

/* ── Tradeoffs ────────────────────────────────────────── */
.tradeoff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-bottom: 24px;
}

.tradeoff-col {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 26px;
}
.tradeoff-col h3 { display: flex; align-items: center; margin-bottom: 18px; }
.tradeoff-col h3 .dot { margin-right: 10px; }

.tlist { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.tlist li {
  font-size: 15px;
  color: var(--muted);
  padding-left: 16px;
  border-left: 2px solid var(--line-soft);
}
.tlist li strong { color: var(--text); }

.callout {
  background: var(--pink-dim);
  border: 1px solid rgba(255, 92, 138, 0.3);
  border-radius: 4px;
  padding: 22px 26px;
}
.callout p { font-size: 15px; color: var(--text); }

/* ── Brokers ──────────────────────────────────────────── */
.broker-table-wrap { overflow-x: auto; border: 1px solid var(--line-soft); border-radius: 4px; }

.broker-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--panel);
  min-width: 780px;
}
.broker-table th {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: left;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--panel-2);
}
.broker-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--muted);
  vertical-align: top;
}
.broker-table tr:last-child td { border-bottom: none; }
.broker-table td strong { color: var(--text); }
.broker-table td.yes { color: var(--green); }
.broker-table td.no { color: var(--pink); }

.broker-note {
  margin-top: 20px;
  font-size: 14.5px;
  color: var(--muted);
  border-left: 2px solid var(--cyan);
  padding-left: 16px;
}

/* ── Glossary ─────────────────────────────────────────── */
.glossary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.glossary > div {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  padding: 18px 20px;
}
.glossary dt {
  font-family: var(--mono);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--amber);
  margin-bottom: 6px;
}
.glossary dd { font-size: 13.5px; color: var(--muted); }

/* ── Footer ───────────────────────────────────────────── */
.footer {
  padding: 90px 48px 60px calc(var(--rail-w) + 40px);
  max-width: calc(var(--maxw) + var(--rail-w) + 120px);
}
.footer-line {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--text);
  margin-bottom: 8px;
}
.footer-sub { font-size: 13.5px; color: var(--muted); }
.footer-cta { margin-top: 18px; font-size: 14.5px; }

/* ── Scroll reveal ────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.revealed { opacity: 1; transform: none; }

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 1080px) {
  .rail { display: none; }
  .hero, .section, .footer { padding-left: 40px; }
  .hero { grid-template-columns: 1fr; min-height: 0; padding-top: 70px; }
  #busCanvas { height: 380px; }
  .scenario-stage { grid-template-columns: 1fr; }
  .glossary { grid-template-columns: repeat(2, 1fr); }
  .anatomy-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .hero, .section, .footer { padding-left: 22px; padding-right: 22px; }
  .compare, .pattern-grid, .tradeoff-grid { grid-template-columns: 1fr; }
  .sim-controls { grid-template-columns: 1fr; gap: 18px; }
  .sim-presets { flex-direction: row; flex-wrap: wrap; }
  .sim-metrics, .guarantee-stats { grid-template-columns: repeat(2, 1fr); }
  .glossary { grid-template-columns: 1fr; }
  .hero-actions { flex-wrap: wrap; }
  #busCanvas { height: 300px; }
  .section { padding-top: 80px; }
}

/* ── Reduced motion ───────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ═══ Agent Trace additions ═══════════════════════════════ */
/* --violet / --violet-dim come from /shared/tokens.css */

.dot-violet { background: var(--violet); }
.dot-green { background: var(--green); }
.dot-line { background: var(--line); }
.c-pink { color: var(--pink); }

.pulse-dot-violet { background: var(--violet); animation-name: pulse-glow-violet; }
@keyframes pulse-glow-violet {
  0%, 100% { box-shadow: 0 0 0 0 rgba(167, 139, 250, 0.5); }
  50% { box-shadow: 0 0 0 6px rgba(167, 139, 250, 0); }
}

/* agent-node accents in pattern vizzes */
.tl-agent { border-color: var(--cyan) !important; }
.tl-agent2 { border-color: var(--violet) !important; }
.dot-green-node { border-color: var(--green) !important; }

/* tool-calling loop */
.viz-toolloop .tl-out { top: 40%; }
.viz-toolloop .tl-back { top: 62%; }
.viz-toolloop .tl-back i { background: var(--cyan); animation-name: pv-flow-rev; animation-delay: 1.2s; }
@keyframes pv-flow-rev {
  0% { left: 100%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { left: 0%; opacity: 0; }
}

/* rag */
.viz-rag .pv-src { left: 20px; }
.rg-store {
  position: absolute;
  left: 34%; top: 50%;
  transform: translate(-50%, -50%);
  display: grid;
  grid-template-columns: repeat(2, 12px);
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 3px;
}
.rg-store i { width: 12px; height: 12px; background: var(--line); border-radius: 2px; display: block; }
.rg-store i.r2 { background: var(--amber); animation: rg-pick 2.6s ease-in-out infinite; }
@keyframes rg-pick { 0%, 20% { opacity: 1; } 45%, 70% { opacity: 0.25; } 95%, 100% { opacity: 1; } }
.viz-rag .rg-wire { left: calc(34% + 26px); right: 44px; }
.viz-rag .pv-dst { right: 24px; }

/* event-triggered agent */
.ea-log {
  position: absolute;
  left: 18px; top: 50%;
  transform: translateY(-50%);
  display: flex; gap: 4px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 3px;
}
.ea-log i { width: 9px; height: 18px; background: var(--line); border-radius: 2px; display: block; }
.ea-log i.ea-hot { background: var(--amber); }
.ea-log.ea-log-r { left: auto; right: 18px; }
.ea-log i.ea-hot2 { background: var(--cyan); animation: sv-append 2.8s ease-in-out infinite; }
.viz-evtagent .ea-mid {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 14px; height: 14px; border-radius: 4px;
  background: var(--bg); border: 1.5px solid var(--violet);
}
.viz-evtagent .ea-in { left: 68px; right: calc(50% + 14px); }
.viz-evtagent .ea-out { left: calc(50% + 14px); right: 68px; }
.viz-evtagent .ea-out i { animation-delay: 1.4s; background: var(--cyan); }

/* human-in-the-loop */
.ht-gate {
  position: absolute;
  left: 50%; top: 26%;
  bottom: 26%;
  border-left: 2px dashed var(--cyan);
  opacity: 0.7;
}
.viz-hitl .ht-wire { left: 44px; right: calc(50% + 10px); }
.viz-hitl .ht-wire2 { left: calc(50% + 10px); right: 44px; }
.viz-hitl .ht-wire2 i { animation-delay: 1.6s; background: var(--green); }

/* multi-agent (fan like pubsub) */
.viz-multi .pw-a { transform: rotate(-9deg); transform-origin: left center; }
.viz-multi .pw-c { transform: rotate(9deg); transform-origin: left center; }
.viz-multi .pv-dst.d1 { top: 22%; }
.viz-multi .pv-dst.d2 { top: 50%; }
.viz-multi .pv-dst.d3 { top: 78%; }

/* durable execution */
.viz-durable .du-ck { border-color: var(--green); border-radius: 50%; }
.viz-durable .du-ck:nth-child(3) { left: 33%; }
.viz-durable .du-ck:nth-child(5) { left: 62%; }
.viz-durable .sg-3 i { animation-name: sg-hop; }
.du-l1 { left: 28%; top: 68%; }
.du-l2 { left: 56%; top: 68%; }

/* ── budget tool ─────────────────────────────────────── */
.budget-presets {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.budget-price {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  margin-left: auto;
}
.budget-controls { grid-template-columns: repeat(3, 1fr); }

.budget-bar-wrap { margin: 8px 0 22px; }
.budget-bar {
  display: flex;
  height: 34px;
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  overflow: hidden;
}
.budget-bar.over { border-color: var(--pink); box-shadow: 0 0 0 1px rgba(255, 92, 138, 0.4); }
.bb-seg { height: 100%; transition: width 0.25s ease; }
.bb-system { background: rgba(0, 229, 204, 0.5); }
.bb-retrieval { background: rgba(245, 166, 35, 0.5); }
.bb-history { background: rgba(167, 139, 250, 0.45); }
.budget-bar-legend {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

/* ── runaway histogram ───────────────────────────────── */
#runawayCanvas {
  width: 100%;
  height: 240px;
  display: block;
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
}
.runaway-controls { grid-template-columns: repeat(3, 1fr); }
.failure-list { margin-top: 40px; }

@media (max-width: 720px) {
  .budget-controls, .runaway-controls { grid-template-columns: 1fr; }
  .budget-price { margin-left: 0; width: 100%; }
}

/* ═══ Rollout (platform guide) additions ══════════════════ */
.pulse-dot-green { background: var(--green); animation-name: pulse-glow-green; }
@keyframes pulse-glow-green {
  0%, 100% { box-shadow: 0 0 0 0 rgba(110, 231, 160, 0.5); }
  50% { box-shadow: 0 0 0 6px rgba(110, 231, 160, 0); }
}

.rollout-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.rollout-strategies { display: flex; gap: 10px; flex-wrap: wrap; }
.rollout-actions { display: flex; gap: 10px; flex-wrap: wrap; }

#rolloutCanvas, #autoscaleCanvas {
  width: 100%;
  height: 280px;
  display: block;
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
}