/* ============================================================
   PEPPOLBRIDGE — interactive.css
   Interactive systems: connector pipeline, integration-pattern
   explorer, ERP connector explorer. Self-contained tokens so the
   components render identically under journey.css (homepage) and
   style.css + light.css (inner pages).
   ============================================================ */

.pbx {
  --x-ink: #11263c;
  --x-navy: #16324f;
  --x-mut: #5b6b7c;
  --x-faint: #8492a1;
  --x-hair: rgba(22, 50, 79, 0.16);
  --x-hair2: rgba(22, 50, 79, 0.08);
  --x-blue: #2457ff;
  --x-green: #12a150;
  --x-red: #e5484d;
  --x-amber: #d97706;
  --x-paper: #ffffff;
  --x-soft: #fbfaf8;
  --x-fd: 'Space Grotesk', sans-serif;
  --x-fb: 'Inter', system-ui, sans-serif;
  --x-fm: 'JetBrains Mono', ui-monospace, monospace;
  font-family: var(--x-fb);
  color: var(--x-ink);
}
.pbx *, .pbx *::before, .pbx *::after { box-sizing: border-box; }
:where(.pbx button) { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; margin: 0; }

/* shared micro-bits */
.pbx .x-k {
  font-family: var(--x-fm); font-size: 10px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--x-mut);
}
/* end offsets are exact multiples of each consumer's dash period, so the loop never jumps */
@keyframes x-dash-pipe { to { stroke-dashoffset: -112; } }
@keyframes x-dash-pat { to { stroke-dashoffset: -97; } }
@keyframes x-dash-pat-r { to { stroke-dashoffset: 97; } }
@keyframes x-pulse { 0% { transform: scale(0.5); opacity: 0.9; } 100% { transform: scale(1.8); opacity: 0; } }
@keyframes x-blink { 50% { opacity: 0.25; } }
@keyframes x-fadeup { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ============================================================
   1 · CONNECTOR PIPELINE  (.pipe)
   ============================================================ */
.pipe {
  position: relative;
  border: 1px solid var(--x-hair);
  border-radius: 24px;
  background:
    radial-gradient(70% 90% at 50% 0%, rgba(36, 87, 255, 0.05), transparent 65%),
    linear-gradient(180deg, var(--x-paper), var(--x-soft));
  overflow: hidden;
}
/* faint blueprint grid inside the board */
.pipe::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.55;
  background-image:
    linear-gradient(rgba(22, 50, 79, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 50, 79, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(90% 90% at 50% 40%, #000 30%, transparent 100%);
  mask-image: radial-gradient(90% 90% at 50% 40%, #000 30%, transparent 100%);
}

/* HUD */
.pipe-hud {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 16px 22px 0; flex-wrap: wrap;
}
.pipe-live {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--x-fm); font-size: 10px; letter-spacing: 0.24em; color: var(--x-mut);
}
.pipe-live i {
  width: 8px; height: 8px; border-radius: 50%; background: var(--x-green); position: relative; flex: none;
}
.pipe-live i::after {
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  border: 1px solid var(--x-green); animation: x-pulse 2s ease-out infinite;
}
.pipe-stats { display: flex; gap: 14px; flex-wrap: wrap; }
.pipe-stats span {
  font-family: var(--x-fm); font-size: 9.5px; letter-spacing: 0.16em; color: var(--x-faint);
  display: inline-flex; align-items: baseline; gap: 7px;
}
.pipe-stats b {
  font-family: var(--x-fd); font-size: 17px; font-weight: 600; color: var(--x-ink);
  font-variant-numeric: tabular-nums; min-width: 2ch;
}
.pipe-stats .ok b { color: var(--x-green); }
.pipe-stats .bad b { color: var(--x-red); }

/* stage — nodes + wire + packets live here */
.pipe-stage { position: relative; z-index: 1; padding: 34px 22px 14px; }
.pipe-wire { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
.pipe-wire .w-base { stroke: var(--x-hair); stroke-width: 1.6; fill: none; }
.pipe-wire .w-flow {
  stroke: var(--x-blue); stroke-width: 1.6; fill: none; stroke-linecap: round;
  stroke-dasharray: 8 104; animation: x-dash-pipe 2.6s linear infinite; opacity: 0.85;
}
.pipe-wire .w-flow.f2 { animation-delay: -0.9s; }
.pipe-wire .w-flow.f3 { animation-delay: -1.8s; }
.pipe-wire .w-hot {
  stroke: var(--x-blue); stroke-width: 2.2; fill: none; stroke-linecap: round;
  opacity: 0; transition: opacity 0.4s;
}
.pipe.has-active .pipe-wire .w-hot { opacity: 0.9; }

.pipe-nodes {
  position: relative; display: flex; align-items: flex-start;
  justify-content: space-between; gap: 6px;
}
.pipe-node, .pipe-end {
  position: relative; flex: 1 1 0; min-width: 0;
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 9px;
}
.pn-box {
  width: 52px; height: 52px; border-radius: 14px; position: relative;
  border: 1px solid var(--x-hair); background: var(--x-paper);
  display: grid; place-items: center;
  box-shadow: 0 1px 0 rgba(22, 50, 79, 0.05);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s, box-shadow 0.3s;
}
.pn-box svg { width: 22px; height: 22px; stroke: var(--x-navy); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; transition: stroke 0.3s; }
.pipe-end .pn-box { border-style: dashed; background: var(--x-soft); }
.pn-meta { display: grid; gap: 3px; justify-items: center; min-width: 0; }
.pn-k { font-family: var(--x-fm); font-size: 9px; letter-spacing: 0.24em; color: var(--x-faint); }
.pipe-node b, .pipe-end b { font-family: var(--x-fd); font-weight: 600; font-size: 13.5px; letter-spacing: -0.01em; color: var(--x-ink); line-height: 1.2; transition: color 0.3s; }
.pn-s { font-family: var(--x-fm); font-size: 8.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--x-faint); line-height: 1.6; }

/* node pulse when a packet passes */
.pn-ring { position: absolute; inset: -1px; border-radius: 14px; border: 1px solid var(--x-blue); opacity: 0; pointer-events: none; }
.pipe-node.hit .pn-ring { animation: x-pulse 0.55s ease-out; }

/* interactive node states */
.pipe-node { cursor: pointer; -webkit-tap-highlight-color: transparent; text-decoration: none; }
.pipe-node:hover, .pipe-node:focus { text-decoration: none; }
.pipe-node:hover .pn-box { transform: translateY(-3px); border-color: var(--x-blue); }
.pipe-node:focus-visible { outline: none; }
.pipe-node:focus-visible .pn-box { outline: 2px solid var(--x-blue); outline-offset: 3px; }
.pipe-node.on .pn-box {
  border-color: var(--x-blue);
  box-shadow: 0 6px 22px -8px rgba(36, 87, 255, 0.55), 0 0 0 4px rgba(36, 87, 255, 0.08);
}
.pipe-node.on .pn-box svg { stroke: var(--x-blue); }
.pipe-node.on b { color: var(--x-blue); }
.pipe-node.on .pn-k { color: var(--x-blue); }

/* the validate node is the core: gradient border + slow-spinning dashed halo */
.pipe-node.core .pn-box {
  border: 1px solid transparent;
  background: linear-gradient(var(--x-paper), var(--x-paper)) padding-box,
              linear-gradient(135deg, var(--x-blue), var(--x-navy)) border-box;
}
.pn-halo {
  position: absolute; inset: -7px; border-radius: 18px; pointer-events: none;
  border: 1px dashed rgba(36, 87, 255, 0.45);
  animation: x-spin 14s linear infinite;
}
@keyframes x-spin { to { transform: rotate(360deg); } }

/* "send one" trigger under the ERP end */
.pipe-send {
  margin-top: 2px;
  font-family: var(--x-fm); font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--x-blue); border: 1px solid rgba(36, 87, 255, 0.35); border-radius: 99px;
  padding: 5px 11px; transition: background 0.25s, color 0.25s, transform 0.2s;
}
.pipe-send:hover { background: var(--x-blue); color: #fff; }
.pipe-send:active { transform: scale(0.94); }

/* packets */
.pk {
  position: absolute; top: 0; left: 0; width: 9px; height: 9px; border-radius: 2.5px;
  background: var(--x-blue); z-index: 3; pointer-events: none;
  box-shadow: 0 0 10px rgba(36, 87, 255, 0.65), 0 0 2px rgba(36, 87, 255, 0.9);
  will-change: transform, opacity;
}
.pk.ok { background: var(--x-green); box-shadow: 0 0 10px rgba(18, 161, 80, 0.6); }
.pk.bad { background: var(--x-red); box-shadow: 0 0 10px rgba(229, 72, 77, 0.6); }

/* rejection readout under the validate node */
.pipe-diag {
  position: absolute; z-index: 4; transform: translate(-50%, 0);
  font-family: var(--x-fm); font-size: 9px; letter-spacing: 0.08em; white-space: nowrap;
  color: var(--x-red); background: color-mix(in srgb, var(--x-red) 7%, #fff);
  border: 1px solid color-mix(in srgb, var(--x-red) 40%, transparent);
  border-radius: 6px; padding: 4px 9px; opacity: 0; pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
}
.pipe-diag.show { opacity: 1; transform: translate(-50%, 6px); }

/* drawer — stage details (all panes stay visible when JS never runs) */
.pipe-drawer { position: relative; z-index: 2; border-top: 1px dashed var(--x-hair); margin: 6px 22px 0; }
.pd-pane { padding: 20px 2px 24px; }
html.js .pd-pane:not(.on) { display: none; }
.pd-pane.on { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 18px 34px; align-items: start; animation: x-fadeup 0.4s cubic-bezier(0.22, 1, 0.36, 1); }
.pd-pane h4 { font-family: var(--x-fd); font-weight: 600; font-size: 18px; letter-spacing: -0.01em; margin: 0 0 8px; }
.pd-pane h4 em { font-style: normal; color: var(--x-blue); }
.pd-pane p { margin: 0; color: var(--x-mut); font-size: 14.5px; line-height: 1.65; max-width: 62ch; }
.pd-facts { display: grid; gap: 8px; align-content: start; }
.pd-fact {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  border-bottom: 1px solid var(--x-hair2); padding: 7px 0;
}
.pd-fact span { font-family: var(--x-fm); font-size: 9.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--x-faint); }
.pd-fact b { font-family: var(--x-fm); font-size: 12px; font-weight: 500; color: var(--x-ink); text-align: right; }
.pd-chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
.pd-chips i {
  font-style: normal; font-family: var(--x-fm); font-size: 9.5px; letter-spacing: 0.08em;
  color: var(--x-blue); border: 1px solid rgba(36, 87, 255, 0.3); background: rgba(36, 87, 255, 0.05);
  border-radius: 99px; padding: 4px 10px;
}

/* compact variant (homepage): no drawer, tighter board */
.pipe.compact .pipe-drawer { display: none; }
.pipe.compact .pipe-stage { padding-bottom: 30px; }

/* pipeline responsive */
@media (max-width: 860px) {
  .pd-pane.on { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .pipe-stage { padding: 26px 18px 10px; }
  .pipe-nodes { flex-direction: column; align-items: stretch; gap: 18px; }
  .pipe-node, .pipe-end {
    flex-direction: row; text-align: left; align-items: center; gap: 14px;
    padding-left: 2px;
  }
  .pn-box { width: 46px; height: 46px; flex: none; }
  .pn-meta { gap: 2px; justify-items: start; text-align: left; }
  .pipe-node b, .pipe-end b { font-size: 14.5px; }
  .pipe-send { margin: 0 0 0 auto; }
  .pipe-diag { transform: translate(0, -50%); }
  .pipe-diag.show { transform: translate(8px, -50%); }
  .pipe-hud { padding: 14px 18px 0; }
  .pipe-drawer { margin: 6px 18px 0; }
  /* phone legibility floors — desktop art direction untouched */
  .pipe-live { font-size: 11px; letter-spacing: 0.18em; }
  .pipe-stats span { font-size: 10.5px; letter-spacing: 0.12em; }
  .pn-k { font-size: 10.5px; letter-spacing: 0.18em; }
  .pn-s { font-size: 10.5px; }
  .pd-fact span { font-size: 10.5px; letter-spacing: 0.12em; }
  .pd-chips i { font-size: 10.5px; }
  /* ≥44px effective tap target without growing the pill visually out of scale */
  .pipe-send { font-size: 11px; letter-spacing: 0.12em; padding: 8px 13px; white-space: nowrap; position: relative; }
  .pipe-send::after { content: ""; position: absolute; inset: -7px; border-radius: 99px; }
}

/* ============================================================
   2 · INTEGRATION PATTERN EXPLORER  (.pat)
   ============================================================ */
.pat { display: grid; grid-template-columns: minmax(280px, 370px) minmax(0, 1fr); gap: clamp(18px, 3vw, 40px); align-items: stretch; }

.pat-tabs { display: flex; flex-direction: column; border-top: 1px solid var(--x-hair); }
.pat-tab {
  position: relative; display: grid; grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: 4px 10px; align-items: baseline; text-align: left;
  padding: 17px 14px 17px 10px; border-bottom: 1px solid var(--x-hair);
  transition: background 0.3s, padding 0.3s;
  -webkit-tap-highlight-color: transparent;
}
.pat-tab::before {
  content: ""; position: absolute; left: 0; top: -1px; bottom: -1px; width: 2px;
  background: linear-gradient(180deg, var(--x-blue), var(--x-navy));
  transform: scaleY(0); transform-origin: 0 0; transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.pat-tab .pt-num { font-family: var(--x-fm); font-size: 10px; letter-spacing: 0.2em; color: var(--x-faint); transition: color 0.3s; }
.pat-tab b { font-family: var(--x-fd); font-weight: 600; font-size: 17.5px; letter-spacing: -0.015em; color: var(--x-ink); transition: color 0.3s; }
.pat-tab .pt-time {
  font-family: var(--x-fm); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--x-amber); border: 1px solid color-mix(in srgb, var(--x-amber) 40%, transparent);
  border-radius: 99px; padding: 3px 9px; white-space: nowrap;
}
.pat-tab em {
  grid-column: 2 / -1; font-style: normal;
  font-family: var(--x-fm); font-size: 9.5px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--x-faint); line-height: 1.7;
}
.pat-tab:hover { background: var(--x-hair2); }
.pat-tab:hover b { color: var(--x-blue); }
.pat-tab:focus-visible { outline: 2px solid var(--x-blue); outline-offset: -2px; }
.pat-tab.on { background: var(--x-paper); padding-left: 16px; }
.pat-tab.on::before { transform: scaleY(1); }
.pat-tab.on b { color: var(--x-blue); }
.pat-tab.on .pt-num { color: var(--x-blue); }

/* progress bar inside active tab while autoplaying */
.pat-tab .pt-bar { position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: transparent; overflow: hidden; }
.pat-tab.on .pt-bar i { display: block; height: 100%; background: var(--x-blue); transform: scaleX(0); transform-origin: 0 50%; }
.pat.auto .pat-tab.on .pt-bar i { animation: x-grow var(--pat-dwell, 5.2s) linear forwards; }
@keyframes x-grow { to { transform: scaleX(1); } }

.pat-view {
  position: relative; border: 1px solid var(--x-hair); border-radius: 24px;
  background: linear-gradient(180deg, var(--x-paper), var(--x-soft));
  overflow: hidden; display: flex; flex-direction: column;
}
.pat-view::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.5;
  background-image:
    linear-gradient(rgba(22, 50, 79, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 50, 79, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(85% 85% at 50% 45%, #000 25%, transparent 100%);
  mask-image: radial-gradient(85% 85% at 50% 45%, #000 25%, transparent 100%);
}
.pat-stage { position: relative; flex: 1; min-height: 300px; }
.pat-scene {
  position: absolute; inset: 0; padding: clamp(14px, 2.5vw, 26px);
  display: grid; place-items: center;
  opacity: 0; transform: translateY(10px) scale(0.985); pointer-events: none;
  transition: opacity 0.45s cubic-bezier(0.22, 1, 0.36, 1), transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}
.pat-scene.on { opacity: 1; transform: none; pointer-events: auto; }
.pat-scene svg { width: 100%; height: auto; max-height: 100%; display: block; overflow: visible; }
/* paused scenes stop animating (perf) */
.pat-scene:not(.on) * { animation-play-state: paused !important; }

.pat-meta {
  position: relative; z-index: 1;
  border-top: 1px dashed var(--x-hair);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--x-hair2);
}
.pat-meta > div { background: var(--x-paper); padding: 13px 18px; }
.pat-meta span { display: block; font-family: var(--x-fm); font-size: 8.5px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--x-faint); margin-bottom: 4px; }
.pat-meta b { font-family: var(--x-fm); font-size: 12px; font-weight: 500; color: var(--x-ink); line-height: 1.5; }

/* --- SVG scene vocabulary --- */
.pat svg text { user-select: none; }
.sx-box { fill: var(--x-paper); stroke: var(--x-navy); stroke-width: 1.3; }
.sx-box.dim { stroke: var(--x-hair); }
.sx-core { fill: var(--x-paper); stroke: var(--x-blue); stroke-width: 1.5; }
.sx-soft { fill: var(--x-soft); stroke: var(--x-hair); stroke-width: 1.2; }
.sx-lab { font-family: var(--x-fm); font-size: 10px; letter-spacing: 0.14em; fill: var(--x-mut); }
.sx-lab.s { font-size: 8.5px; fill: var(--x-faint); }
.sx-lab.b { fill: var(--x-blue); }
.sx-lab.g { fill: var(--x-green); }
.sx-lab.r { fill: var(--x-red); }
.sx-lab.a { fill: var(--x-amber); }
.sx-name { font-family: var(--x-fd); font-size: 13px; font-weight: 600; fill: var(--x-ink); letter-spacing: -0.01em; }
.sx-base { stroke: var(--x-hair); stroke-width: 1.3; fill: none; }
.sx-flow { stroke: var(--x-blue); stroke-width: 1.5; fill: none; stroke-linecap: round; stroke-dasharray: 7 90; animation: x-dash-pat 2.4s linear infinite; }
.sx-flow.rev { animation: x-dash-pat-r 2.8s linear infinite; stroke: var(--x-navy); opacity: 0.7; }
.sx-flow.ok { stroke: var(--x-green); opacity: 0.9; }
.sx-okchip { fill: rgba(18, 161, 80, 0.08); stroke: rgba(18, 161, 80, 0.38); stroke-width: 1.2; }
.sx-flow.slow { animation-duration: 3.6s; }
.sx-tick { stroke: var(--x-green); stroke-width: 1.8; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.sx-cross { stroke: var(--x-red); stroke-width: 1.8; stroke-linecap: round; }
.sx-dot { fill: var(--x-blue); }
.sx-dot.g { fill: var(--x-green); }
.sx-heart { transform-origin: center; transform-box: fill-box; animation: x-heart 1.6s ease-in-out infinite; }
@keyframes x-heart { 0%, 100% { transform: scale(1); } 12% { transform: scale(1.35); } 24% { transform: scale(1); } }
.sx-scan { animation: x-scan 2.6s cubic-bezier(0.4, 0, 0.4, 1) infinite; }
@keyframes x-scan { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(56px); } }
.sx-slide { animation: x-slide 3.4s linear infinite; }
.sx-slide.s2 { animation-delay: -1.13s; }
.sx-slide.s3 { animation-delay: -2.26s; }
@keyframes x-slide {
  0% { transform: translateX(0); opacity: 0; }
  8% { opacity: 1; }
  86% { opacity: 1; }
  96% { transform: translateX(176px); opacity: 0; }
  100% { transform: translateX(176px); opacity: 0; }
}
.sx-rowfly { animation: x-rowfly 3s ease-in-out infinite; }
.sx-rowfly.s2 { animation-delay: -1s; }
.sx-rowfly.s3 { animation-delay: -2s; }
@keyframes x-rowfly {
  0%, 18% { transform: translate(0, 0); opacity: 0; }
  30% { opacity: 1; transform: translate(18px, 0); }
  78% { opacity: 1; transform: translate(148px, 0); }
  92%, 100% { transform: translate(170px, 0); opacity: 0; }
}
.sx-pulse-ring { transform-origin: center; transform-box: fill-box; animation: x-ringpulse 2.2s ease-out infinite; }
@keyframes x-ringpulse { 0% { transform: scale(0.4); opacity: 0.8; } 70% { transform: scale(1.5); opacity: 0; } 100% { opacity: 0; } }
.sx-poll { transform-origin: center; transform-box: fill-box; animation: x-spin 4s linear infinite; }
.sx-deny { animation: x-deny 3.2s ease-in-out infinite; }
@keyframes x-deny {
  0%, 55% { transform: translateX(46px); opacity: 0; }
  62% { opacity: 1; transform: translateX(12px); }
  70% { transform: translateX(0); opacity: 1; }
  74% { transform: translateX(4px); }
  78% { transform: translateX(0); }
  90%, 100% { opacity: 0; transform: translateX(0); }
}
.sx-denyx { animation: x-denyx 3.2s ease-in-out infinite; }
@keyframes x-denyx { 0%, 66% { opacity: 0; } 72%, 86% { opacity: 1; } 96%, 100% { opacity: 0; } }
.sx-drop { animation: x-drop 5.6s ease-in-out infinite; }
@keyframes x-drop {
  0%, 58% { transform: translate(0, 0); opacity: 0; }
  64% { opacity: 1; transform: translate(0, 8px); }
  80% { opacity: 1; transform: translate(0, 34px); }
  92%, 100% { opacity: 0; transform: translate(0, 40px); }
}
.sx-type i { font-style: normal; }

/* pattern explorer responsive */
@media (max-width: 900px) {
  .pat { grid-template-columns: 1fr; }
  .pat-tabs {
    flex-direction: row; overflow-x: auto; border-top: 0; gap: 8px;
    padding-bottom: 10px; margin-bottom: 4px;
    scroll-snap-type: x proximity; -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .pat-tabs::-webkit-scrollbar { display: none; }
  .pat-tab {
    flex: 0 0 auto; scroll-snap-align: start;
    grid-template-columns: auto auto; align-items: center;
    border: 1px solid var(--x-hair); border-radius: 14px; padding: 10px 14px;
    background: var(--x-paper);
  }
  .pat-tab::before { display: none; }
  .pat-tab .pt-num, .pat-tab em, .pat-tab .pt-bar { display: none; }
  .pat-tab b { font-size: 13.5px; }
  .pat-tab.on { border-color: var(--x-blue); background: rgba(36, 87, 255, 0.05); padding-left: 14px; }
  .pat-stage { min-height: 0; aspect-ratio: 26 / 16; }
  .pat-meta { grid-template-columns: 1fr; }
  .pat-meta > div { padding: 10px 16px; }
}
@media (max-width: 720px) {
  .pat-tab .pt-time { font-size: 10px; }
  .pat-meta span { font-size: 10px; letter-spacing: 0.16em; }
}
/* SVG text scales with the 520-unit viewBox — at phone widths the scene renders
   at ~0.5-0.62x, so raise the user-unit sizes to land at a legible on-screen size.
   Sizes are capped by scene geometry (in-box captions must stay inside their
   122-unit boxes); tight labels get per-scene caps below. */
@media (max-width: 600px) {
  .sx-lab { font-size: 13.5px; letter-spacing: 0.06em; }
  .sx-lab.s { font-size: 11px; letter-spacing: 0; }
  .sx-name { font-size: 14px; }
  /* agent scene: TLS label sits against the PeppolBridge box; the green
     summary line is centred at x=150 and would clip the left edge if larger */
  .pat-scene[data-pat="agent"] .sx-lab.b { font-size: 11px; }
  .pat-scene[data-pat="agent"] .sx-lab.g:not(.s) { font-size: 12.5px; }
  /* api scene: the write-back caption must stay inside its 188-unit chip,
     and the 19-char in-box captions inside their 122-unit boxes */
  .pat-scene[data-pat="api"] .sx-lab.g { font-size: 11.5px; }
  .pat-scene[data-pat="api"] .sx-lab.s { font-size: 10.5px; }
}

/* ============================================================
   3 · ERP CONNECTOR EXPLORER  (.cat-grid upgrades + .cat-panel)
   ============================================================ */
.cat-legend { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: -4px 0 20px; }
.cat-legend span {
  font-family: var(--x-fm); font-size: 9.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--x-mut); display: inline-flex; align-items: center; gap: 7px;
}
.cat-legend i { width: 8px; height: 8px; border-radius: 50%; flex: none; }

button.cat-item { text-align: left; width: 100%; position: relative; cursor: pointer; }
/* neutralize style.css's broad `.cat-item span` on the wrapper spans */
.cat-item .ci-row { display: flex; align-items: center; gap: 11px; margin-top: 0; }
.cat-item .ci-meta { min-width: 0; margin-top: 0; text-transform: none; letter-spacing: normal; color: #11263c; }
.cat-item .ci-avatar {
  flex: none; width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center; margin: 0;
  font-family: var(--x-fm, 'JetBrains Mono', monospace); font-size: 12.5px; font-weight: 600;
  letter-spacing: 0.02em; text-transform: none;
  color: #16324f; background: #fbfaf8; border: 1px solid rgba(22, 50, 79, 0.18);
  transition: border-color 0.3s, color 0.3s, background 0.3s;
}
.cat-item .ci-dot {
  position: absolute; top: 12px; right: 12px; width: 7px; height: 7px; border-radius: 50%;
  background: var(--ci-c, #2457ff);
}
.cat-item .ci-plus {
  position: absolute; right: 10px; bottom: 8px;
  font-family: var(--x-fm, 'JetBrains Mono', monospace); font-style: normal; font-size: 13px; color: rgba(22, 50, 79, 0.35);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), color 0.3s;
}
.cat-item:hover .ci-plus { color: #2457ff; }
.cat-item:hover .ci-avatar { border-color: rgba(36, 87, 255, 0.5); color: #2457ff; }
.cat-item.open { border-color: rgba(36, 87, 255, 0.65) !important; }
.cat-item.open .ci-plus { transform: rotate(45deg); color: #2457ff; }
.cat-item:focus-visible { outline: 2px solid #2457ff; outline-offset: 2px; }

/* the expanding trace panel — occupies a full grid row */
.cat-panel {
  grid-column: 1 / -1;
  height: 0; overflow: hidden; opacity: 0;
  transition: height 0.5s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.35s;
}
.cat-panel.open { opacity: 1; }
.cp-in {
  border: 1px solid rgba(36, 87, 255, 0.4); border-radius: 18px;
  background:
    radial-gradient(60% 100% at 50% 0%, rgba(36, 87, 255, 0.05), transparent 60%),
    var(--x-paper);
  padding: clamp(16px, 3vw, 26px);
  position: relative;
}
.cp-head { display: flex; align-items: flex-start; gap: 12px; flex-wrap: wrap; margin-bottom: 6px; }
.cp-title { font-family: var(--x-fd); font-weight: 600; font-size: clamp(17px, 2.4vw, 22px); letter-spacing: -0.015em; }
.cp-title em { font-style: normal; color: var(--x-blue); }
.cp-badges { display: flex; gap: 7px; flex-wrap: wrap; margin-left: auto; padding-right: 34px; }
.cp-badge {
  font-family: var(--x-fm); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase;
  border: 1px solid var(--x-hair); border-radius: 99px; padding: 4px 10px; color: var(--x-mut);
  white-space: nowrap;
}
.cp-badge.hot { color: var(--x-blue); border-color: rgba(36, 87, 255, 0.4); background: rgba(36, 87, 255, 0.05); }
.cp-badge.live { color: var(--x-green); border-color: color-mix(in srgb, var(--x-green) 40%, transparent); background: color-mix(in srgb, var(--x-green) 6%, #fff); }
.cp-close {
  position: absolute; top: 14px; right: 14px; width: 30px; height: 30px;
  border: 1px solid var(--x-hair); border-radius: 50%; display: grid; place-items: center;
  color: var(--x-mut); font-size: 15px; line-height: 1;
  transition: color 0.25s, border-color 0.25s, transform 0.35s;
}
.cp-close:hover { color: var(--x-red); border-color: var(--x-red); transform: rotate(90deg); }

/* mini route rail inside the panel */
.cp-route { position: relative; margin: 16px 0 4px; padding: 12px 4px 10px; }
.cp-route .pipe-wire { inset: 0; }
.cp-nodes { position: relative; display: flex; justify-content: space-between; align-items: flex-start; gap: 6px; }
.cp-node { flex: 1 1 0; min-width: 0; display: flex; flex-direction: column; align-items: center; gap: 7px; text-align: center; }
.cp-node .pn-box { width: 42px; height: 42px; border-radius: 12px; }
.cp-node .pn-box svg { width: 18px; height: 18px; }
.cp-node .pn-box.mono { font-family: var(--x-fm); font-size: 11.5px; font-weight: 600; color: var(--x-navy); }
.cp-node b { font-family: var(--x-fd); font-weight: 600; font-size: 11.5px; color: var(--x-ink); line-height: 1.25; }
.cp-node .cp-sub { font-family: var(--x-fm); font-size: 8px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--x-faint); }
.cp-node.hl .pn-box { border-color: var(--x-blue); box-shadow: 0 0 0 4px rgba(36, 87, 255, 0.07); }

.cp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--x-hair2); border-block: 1px dashed var(--x-hair); margin-top: 14px; }
.cp-grid > div { background: var(--x-paper); padding: 11px 14px; }
.cp-grid span { display: block; font-family: var(--x-fm); font-size: 8.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--x-faint); margin-bottom: 3px; }
.cp-grid b { font-family: var(--x-fm); font-size: 12px; font-weight: 500; color: var(--x-ink); }
.cp-note { color: var(--x-mut); font-size: 13.5px; line-height: 1.6; margin: 13px 0 0; max-width: 84ch; }
.cp-note b { color: var(--x-ink); }
.cp-ctas { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.cp-btn {
  display: inline-flex; align-items: center; gap: 8px; text-decoration: none;
  font-family: var(--x-fm); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase;
  border-radius: 99px; padding: 10px 18px; border: 1px solid var(--x-navy); color: var(--x-navy);
  transition: background 0.25s, color 0.25s, transform 0.25s;
}
.cp-btn:hover { transform: translateY(-1px); }
.cp-btn.fill { background: var(--x-navy); color: #fff; }
.cp-btn.fill:hover { background: var(--x-blue); border-color: var(--x-blue); }
.cp-btn.ghost:hover { background: var(--x-navy); color: #fff; }

/* match the frosted tiles when the inner-page WebGL background is active */
html.has-bg3d .cp-in {
  background:
    radial-gradient(60% 100% at 50% 0%, rgba(36, 87, 255, 0.05), transparent 60%),
    rgba(255, 255, 255, 0.78);
  -webkit-backdrop-filter: blur(9px);
  backdrop-filter: blur(9px);
}

@media (max-width: 720px) {
  .cat-legend span { font-size: 10.5px; letter-spacing: 0.1em; }
  .cp-grid span { font-size: 10px; letter-spacing: 0.14em; }
  /* keep the 30px visual, extend the hit area to ≥44px */
  .cp-close::after { content: ""; position: absolute; inset: -8px; border-radius: 50%; }
  .cp-badges { margin-left: 0; padding-right: 0; order: 3; width: 100%; }
  .cp-grid { grid-template-columns: 1fr; }
  .cp-node .cp-sub { display: none; }
  .cp-node b { font-size: 9.5px; }
  .cp-node .pn-box { width: 34px; height: 34px; border-radius: 10px; }
  .cp-node .pn-box svg { width: 15px; height: 15px; }
  .cp-node .pn-box.mono { font-size: 10px; }
}

/* ============================================================
   4 · PRODUCT SHOTS  (.pbx .shots — inner-page variant of the
   homepage figures; renders assets/img/product/*.png)
   ============================================================ */
.pbx.shots, .pbx .shots { display: grid; grid-template-columns: 1.35fr 1fr; gap: 22px; }
.pbx .shot {
  background: var(--x-paper); border: 1px solid var(--x-hair); border-radius: 14px;
  overflow: hidden; display: flex; flex-direction: column; margin: 0;
  box-shadow: 0 24px 60px -38px rgba(17, 38, 60, 0.4);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s;
}
.pbx .shot:hover { transform: translateY(-3px); box-shadow: 0 30px 70px -36px rgba(17, 38, 60, 0.5); }
.pbx .shot.tall { grid-row: span 2; }
.pbx .shot-bar {
  display: flex; align-items: center; gap: 6px; padding: 10px 14px;
  border-bottom: 1px solid var(--x-hair2); background: var(--x-soft);
}
.pbx .shot-bar i { width: 8px; height: 8px; border-radius: 50%; background: var(--x-hair); }
.pbx .shot-bar span {
  font-family: var(--x-fm); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--x-mut); margin-left: 8px;
}
.pbx .shot .sh-frame { overflow: hidden; flex: 1; display: flex; }
.pbx .shot img { width: 100%; height: 100%; object-fit: cover; object-position: top left; display: block; }
.pbx .shot.tall img { object-fit: cover; }
/* natural-aspect variant: never crop the screen */
.pbx .shot.wide { grid-column: 1 / -1; }
.pbx .shot.natural .sh-frame { display: block; flex: none; }
.pbx .shot.natural img { height: auto; object-fit: unset; }
.pbx .shot figcaption {
  padding: 13px 16px; font-size: 13px; line-height: 1.55; color: var(--x-mut);
  border-top: 1px solid var(--x-hair2); margin-top: auto; font-family: var(--x-fb);
}
@media (max-width: 900px) {
  .pbx.shots, .pbx .shots { grid-template-columns: 1fr; }
  .pbx .shot.tall { grid-row: auto; }
}

/* ============================================================
   5 · OLD WAY / NEW WAY LEDGER  (.ledger)
   ============================================================ */
.ledger { border-top: 1px solid var(--x-hair); }
.ledger-head { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding: 14px 0 10px; }
.ledger-head span { font-family: var(--x-fm); font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--x-faint); }
.ledger-head span:last-child { color: var(--x-blue); }
.ledger-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: center;
  border-top: 1px solid var(--x-hair2); padding: 18px 0;
}
.ledger-row .lg-old {
  color: var(--x-faint); font-size: 15px; line-height: 1.5;
  display: flex; align-items: baseline; gap: 12px;
}
.ledger-row .lg-old::before {
  content: '✕'; font-family: var(--x-fm); font-size: 10px; color: color-mix(in srgb, var(--x-red) 55%, transparent);
  flex: none; position: relative; top: -1px;
}
.ledger-row .lg-new { font-size: 15px; line-height: 1.5; color: var(--x-ink); }
.ledger-row .lg-new a {
  color: inherit; text-decoration: none;
  background-image: linear-gradient(90deg, var(--x-blue), var(--x-navy));
  background-size: 0% 1px; background-repeat: no-repeat; background-position: 0 100%;
  transition: background-size 0.45s cubic-bezier(0.22, 1, 0.36, 1), color 0.3s;
  padding-bottom: 2px;
}
.ledger-row .lg-new a:hover { color: var(--x-blue); background-size: 100% 1px; }
.ledger-row .lg-new .lg-arr { font-family: var(--x-fm); font-size: 11px; color: var(--x-blue); margin-left: 6px; }
.ledger-close {
  border-top: 1px solid var(--x-hair); margin-top: 2px; padding: 22px 0 4px;
  font-family: var(--x-fd); font-weight: 600; letter-spacing: -0.015em;
  font-size: clamp(19px, 2.6vw, 28px); color: var(--x-ink);
}
.ledger-close em { font-style: normal; color: var(--x-blue); }
@media (max-width: 720px) {
  .ledger-head { grid-template-columns: 1fr; gap: 4px; padding-bottom: 4px; }
  .ledger-head span:last-child { display: none; }
  .ledger-row { grid-template-columns: 1fr; gap: 8px; padding: 15px 0; }
  .ledger-row .lg-old { font-size: 13.5px; }
  /* invisible ::after extends single-line link hit boxes to ≥40px without moving layout */
  .ledger-row .lg-new a { position: relative; }
  .ledger-row .lg-new a::after { content: ""; position: absolute; inset: -10px 0; }
}

/* ============================================================
   Reduced motion — freeze the theatre, keep the information
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .pipe-wire .w-flow, .sx-flow, .sx-flow.rev, .sx-flow.ok { animation: none; stroke-dasharray: none; opacity: 0.35; }
  .sx-flow.ok { opacity: 0.55; } /* keep the Success-API return leg slightly emphasized when frozen */
  .pn-halo, .pipe-live i::after, .sx-pulse-ring { animation: none; }
  .sx-slide, .sx-rowfly, .sx-scan, .sx-heart, .sx-poll, .sx-deny, .sx-denyx, .sx-drop { animation: none; opacity: 1; }
  .pk { display: none; }
  .pat-scene, .pd-pane.on, .cat-panel { transition: none; animation: none; }
}