/* ============================================================
   APIgency · v2 components (NEW — added on top of system.css)
   Direction card · Mode selector · UpLayer diagram · Channels row
   Same engineering-blueprint language: hard edges, mono labels.
   ============================================================ */

/* ---- Direction card (grid of 5 directions) ---- */
.dir-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.dir-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--frame);
  border-top: 3px solid var(--system);
  padding: 30px 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform var(--t), box-shadow var(--t);
}
.dir-card.ch-active { border-top-color: var(--connect); }
.section.alt .dir-card { background: var(--paper); }
.dir-card:hover { transform: translate(-2px,-2px); box-shadow: 4px 4px 0 var(--frame); }
.dir-card .dir-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--system-2);
}
.dir-card.ch-active .dir-tag { color: var(--connect-2); }
.dir-card h3 { font-size: 19px; line-height: 1.2; }
.dir-card p { color: var(--ink-3); font-size: 14px; line-height: 1.6; margin: 0; }
.dir-card .dir-pins { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 12px; }
.dir-pin {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-3);
  border: 1px solid var(--frame-soft);
  padding: 4px 8px;
}
.dir-go {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--connect);
  letter-spacing: 0.04em;
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 4px;
}
.dir-go::after { content: "→"; transition: transform var(--t); }
.dir-card:hover .dir-go::after { transform: translateX(3px); }

/* ---- Mode selector (3 modes of the AI-seller) ---- */
.modes3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--frame);
  background: var(--paper);
}
.mode {
  padding: 28px 26px;
  border-top: 3px solid transparent;
  border-right: 1px dashed var(--frame-soft);
  display: flex; flex-direction: column; gap: 14px;
}
.mode:last-child { border-right: 0; }
.mode .m-id {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.mode .m-id .n {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border: 1px solid var(--frame);
  color: var(--ink);
  font-size: 11px;
}
.mode.primary { border-top-color: var(--connect); }
.mode.sys { border-top-color: var(--system); }
.mode.res { border-top-color: var(--output); }
.mode.primary .m-id .n { background: var(--connect); border-color: var(--connect); color: #fff; }
.mode.sys .m-id .n { background: var(--system); border-color: var(--system); color: #fff; }
.mode.res .m-id .n { background: var(--output); border-color: var(--output); color: #fff; }
.mode h4 { font-size: 17px; line-height: 1.25; }
.mode .m-scope { color: var(--ink-3); font-size: 13.5px; line-height: 1.55; }
.mode .m-tools { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 8px; }
.m-tool {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.05em;
  color: var(--ink-3); border: 1px solid var(--frame-soft); padding: 4px 8px; text-transform: uppercase;
}

/* ---- UpLayer diagram (one core + swappable industry modules) ---- */
.uplayer {
  border: 1px solid var(--frame);
  background: var(--paper);
  padding: 36px;
}
.uplayer-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr 1fr;
  grid-template-rows: auto auto auto;
  gap: 16px;
  align-items: stretch;
}
.up-core {
  grid-column: 2; grid-row: 1 / span 3;
  background: var(--bp-dark);
  background-image:
    linear-gradient(var(--bp-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bp-grid) 1px, transparent 1px);
  background-size: 22px 22px;
  color: #fff;
  padding: 28px 26px;
  display: flex; flex-direction: column; justify-content: center; gap: 14px;
  align-self: center;
}
.up-core .c-tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--connect); }
.up-core h4 { color: #fff; font-size: 22px; }
.up-core .c-parts { display: grid; gap: 8px; }
.up-core .c-parts span {
  font-family: var(--font-mono); font-size: 12px; color: rgba(255,255,255,0.82);
  display: flex; align-items: center; gap: 8px;
}
.up-core .c-parts span::before { content: "▪"; color: var(--system); }
.up-mod {
  border: 1px solid var(--frame);
  background: var(--paper);
  padding: 16px 18px;
  display: flex; flex-direction: column; gap: 6px;
  position: relative;
}
.up-mod .um-tag { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-mute); }
.up-mod b { color: var(--ink); font-size: 14px; }
.up-mod.tl { grid-column: 1; grid-row: 1; }
.up-mod.ll { grid-column: 1; grid-row: 2; }
.up-mod.bl { grid-column: 1; grid-row: 3; }
.up-mod.tr { grid-column: 3; grid-row: 1; }
.up-mod.rr { grid-column: 3; grid-row: 2; }
.up-mod.br { grid-column: 3; grid-row: 3; }
.uplayer-anchor {
  margin-top: 24px;
  border-top: 1px dashed var(--frame-soft);
  padding-top: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-2);
  letter-spacing: 0.02em;
  text-align: center;
}
.uplayer-anchor b { color: var(--ink); }

/* ---- Pixmap glyphs (the ONLY pixel treatment — 3x3 in a light tile) ---- */
.pxg-set { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.pxg { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.pxg-tile {
  width: 100%; max-width: 92px; aspect-ratio: 1 / 1;
  background: var(--paper-2);
  border: 1px solid var(--frame);
  display: grid; place-items: center;
  padding: 14px;
}
.pxg-tile img { width: 100%; height: 100%; display: block; }
.pxg .pxg-cap { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em; color: var(--ink-mute); }
@media (max-width: 680px) { .pxg-set { grid-template-columns: repeat(3, 1fr); } }

/* ---- Eco-card (glyph tile + text) — the reference treatment ---- */
.eco-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.eco-card {
  display: grid; grid-template-columns: auto 1fr; gap: 22px;
  border: 1px solid var(--frame); background: var(--paper);
  padding: 26px 28px; align-items: start;
}
.eco-card .pxg-tile { width: 88px; height: 88px; max-width: none; align-self: start; }
.eco-card h3 { font-size: 18px; line-height: 1.2; margin-bottom: 8px; }
.eco-card p { font-size: 14px; color: var(--ink-3); line-height: 1.55; margin: 0; }
.eco-card .eco-pins { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
@media (max-width: 880px) { .eco-grid { grid-template-columns: 1fr; } }

/* ---- Channels row ---- */
.channels {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
}
.channel {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.03em;
  color: var(--ink-2);
  border: 1px solid var(--frame);
  background: var(--paper);
  padding: 9px 14px;
}
.channel .cd { width: 7px; height: 7px; background: var(--connect); border-radius: 50%; }
.channel.sys .cd { background: var(--system); }
.channels .ch-note {
  font-family: var(--font-mono); font-size: 12px; color: var(--ink-mute);
  letter-spacing: 0.02em; margin-left: 4px;
}

@media (max-width: 980px) {
  .dir-grid { grid-template-columns: 1fr 1fr; }
  .modes3 { grid-template-columns: 1fr; }
  .mode { border-right: 0; border-bottom: 1px dashed var(--frame-soft); }
  .mode:last-child { border-bottom: 0; }
  .uplayer-grid { grid-template-columns: 1fr; }
  .up-core { grid-column: 1; grid-row: auto; }
  .up-mod { grid-column: 1 !important; grid-row: auto !important; }
}
@media (max-width: 680px) {
  .dir-grid { grid-template-columns: 1fr; }
}