/* ============================================================
   BLAKE BURNETT — v2 "Studio Obsidian"
   Precision type, amber signal, one long scroll.
   ============================================================ */

:root {
  --bg: #0B0B0C;
  --bg-2: #0F0F11;
  --bg-3: #15151A;
  --ink: #EDEDEA;
  --ink-2: rgba(237,237,234,0.72);
  --ink-3: rgba(237,237,234,0.48);
  --ink-4: rgba(237,237,234,0.24);
  --line: rgba(237,237,234,0.10);
  --line-2: rgba(237,237,234,0.18);
  --signal: #6EA8FE;
  --signal-2: #B6D0FF;
  --signal-dim: rgba(110,168,254,0.20);
  --danger: #FF5A4D;

  --serif: "Instrument Serif", "Times New Roman", serif;
  --sans: "Neue Haas Grotesk Display Pro", "Söhne", "Inter Tight", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;

  --gutter: clamp(20px, 3.2vw, 56px);
  --maxw: 1640px;

  --ease: cubic-bezier(.2,.7,.2,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin:0; padding:0; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.45;
  font-feature-settings: "ss01","ss02","cv11";
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display:block; max-width:100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--signal); color: #000; }

.mono { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; }
.serif { font-family: var(--serif); font-weight: 400; font-style: normal; }

/* ---------- Film grain overlay ---------- */
.grain {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .6 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ---------- Nav ---------- */
.nav2 {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 14px var(--gutter);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(11,11,12,0.85), rgba(11,11,12,0.4));
  border-bottom: 1px solid var(--line);
}
.nav2-mark {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: -0.01em;
  display: inline-flex; align-items: center; gap: 10px;
}
.nav2-mark .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px var(--signal-dim);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 3px var(--signal-dim); }
  50% { box-shadow: 0 0 0 6px rgba(110,168,254,0.04); }
}
.nav2-links {
  display: flex; gap: 4px;
  list-style: none; margin: 0; padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(21,21,26,0.5);
}
.nav2-links a {
  display: inline-block;
  padding: 7px 14px;
  font-size: 13px;
  color: var(--ink-2);
  border-radius: 999px;
  transition: color 0.2s, background 0.2s;
}
.nav2-links a:hover { color: var(--ink); }
.nav2-links a.active { color: #000; background: var(--ink); }
.nav2-right {
  justify-self: end;
  display: flex; align-items: center; gap: 16px;
  color: var(--ink-3);
}
.nav2-cmd {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px;
  border: 1px solid var(--line-2);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-2);
  transition: border-color 0.2s, color 0.2s;
}
.nav2-cmd:hover { border-color: var(--signal); color: var(--signal); }
.nav2-cmd kbd {
  padding: 1px 6px;
  border: 1px solid var(--line-2);
  border-radius: 4px;
  background: var(--bg-3);
  font-family: var(--mono);
  font-size: 10px;
}
.nav2-progress {
  position: absolute; left: 0; bottom: -1px; height: 1px;
  background: var(--signal);
  width: 0%;
  box-shadow: 0 0 10px var(--signal);
}

/* ---------- Shared layout ---------- */
.wrap2 {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.chap-label {
  display: flex; align-items: baseline; gap: 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 28px;
}
.chap-label::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--signal);
  border-radius: 50%;
}

/* ============================================================
   HERO — "Intake"
   ============================================================ */
.hero2 {
  position: relative;
  min-height: 100vh;
  padding: 120px var(--gutter) 80px;
  display: grid;
  grid-template-columns: 1fr;
  align-content: center;
  overflow: hidden;
}
.hero2-field {
  position: absolute; inset: 0;
  background:
    radial-gradient(600px 400px at var(--mx,50%) var(--my,40%), rgba(110,168,254,0.14), transparent 60%),
    radial-gradient(1200px 600px at 80% 100%, rgba(110,168,254,0.06), transparent 60%);
  pointer-events: none;
  transition: background 0.3s linear;
}
.hero2-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(ellipse at 50% 40%, black 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, black 0%, transparent 75%);
  pointer-events: none;
  opacity: 0.6;
}
.hero2-inner {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
.hero2-top {
  display: flex; justify-content: space-between; align-items: flex-start;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hero2-top .col { display: flex; flex-direction: column; gap: 6px; }
.hero2-top .col .k { color: var(--ink-4); }
.hero2-top .col .v { color: var(--ink); }
.hero2-top .status { display: inline-flex; align-items: center; gap: 8px; color: var(--signal); }
.hero2-top .status::before {
  content:""; width:6px; height:6px; background: var(--signal); border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero2-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(72px, 14vw, 240px);
  line-height: 0.88;
  letter-spacing: -0.035em;
  margin: 0;
}
.hero2-title .line { display: block; position: relative; }
.hero2-title .line em {
  font-style: italic;
  color: var(--signal);
  font-family: var(--serif);
}
.hero2-title .line.shift { padding-left: clamp(40px, 8vw, 180px); }
.hero2-title .line .scramble {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.22em;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink-3);
  vertical-align: middle;
  margin-left: 1em;
  padding: 4px 10px;
  border: 1px solid var(--line-2);
  border-radius: 4px;
}

.hero2-bottom {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: end;
  margin-top: 40px;
}
@media (max-width: 860px) { .hero2-bottom { grid-template-columns: 1fr; gap: 30px; } }
.hero2-lede {
  font-size: 18px;
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 52ch;
}
.hero2-lede strong { color: var(--ink); font-weight: 500; }

.hero2-intake {
  border: 1px solid var(--line-2);
  border-radius: 10px;
  background: rgba(15,15,17,0.8);
  padding: 14px;
  backdrop-filter: blur(10px);
}
.hero2-intake .prompt-row {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  margin-bottom: 10px;
}
.hero2-intake .prompt-row::before {
  content: "▸"; color: var(--signal);
}
.hero2-intake .chips {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 12px;
}
.hero2-intake .chip {
  padding: 6px 10px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-2);
  transition: all 0.2s;
}
.hero2-intake .chip:hover { border-color: var(--signal); color: var(--signal); }
.hero2-intake .chip.active { background: var(--signal); color: #000; border-color: var(--signal); }
.hero2-intake .response {
  padding: 12px;
  min-height: 72px;
  background: var(--bg);
  border: 1px dashed var(--line-2);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-2);
}
.hero2-intake .response .cursor { color: var(--signal); animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Scroll cue */
.hero2-cue {
  margin-top: 40px;
  display: flex; align-items: center; gap: 12px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero2-cue .bar {
  width: 40px; height: 1px;
  background: var(--ink-3);
  animation: cueSlide 2.2s var(--ease) infinite;
}
@keyframes cueSlide {
  0%,100% { width: 40px; opacity: 0.3; }
  50% { width: 80px; opacity: 1; }
}

/* ============================================================
   MANIFESTO — scroll-pinned assembling text
   ============================================================ */
.manifesto {
  position: relative;
  padding: 160px 0;
  border-top: 1px solid var(--line);
}
.manifesto-text {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(48px, 7.5vw, 128px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  max-width: 20ch;
}
.manifesto-text .word {
  display: inline-block;
  opacity: 0.12;
  transition: opacity 0.4s, color 0.4s;
  margin-right: 0.25em;
}
.manifesto-text .word.hot { opacity: 1; }
.manifesto-text .word.signal { color: var(--signal); font-style: italic; }
.manifesto-tail {
  margin-top: 60px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-2);
}
.manifesto-meta {
  margin-top: 24px;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 14px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
}
.manifesto-meta::before { content: "◆"; color: var(--signal); }

/* ============================================================
   PROOF — draggable metric cards
   ============================================================ */
.proof {
  position: relative;
  padding: 120px 0;
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.proof-head {
  display: flex; justify-content: space-between; align-items: end;
  flex-wrap: wrap; gap: 20px;
  margin-bottom: 60px;
}
.proof-head h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0;
}
.proof-head h2 em { color: var(--signal); font-style: italic; }
.proof-head .hint {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 8px;
  white-space: nowrap;
}
.proof-head .hint::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px rgba(110,168,254,0.18);
}

/* NEW: clean responsive stat grid (replaces .proof-board drag) */
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-2);
  border: 1px solid var(--line-2);
  border-radius: 6px;
  overflow: hidden;
}
.proof-grid .stat {
  background: var(--bg);
  padding: 32px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  min-height: 260px;
  transition: background 0.3s var(--ease);
}
.proof-grid .stat:hover { background: var(--bg-2); }
.proof-grid .stat.is-signal .stat-v { color: var(--signal); }
.proof-grid .stat-k {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono); font-size: 10px;
  color: var(--ink-3); letter-spacing: 0.12em; text-transform: uppercase;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-2);
}
.proof-grid .stat-k span:first-child { color: var(--ink-4); }
.proof-grid .stat-v {
  font-family: var(--serif);
  font-size: clamp(48px, 5.5vw, 88px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--ink);
  font-weight: 400;
}
.proof-grid .stat-d {
  font-size: 13px; color: var(--ink-2); line-height: 1.55;
  margin-top: auto;
}
.proof-grid .chan-list {
  display: flex; flex-wrap: wrap; gap: 4px;
}
.proof-grid .chan-list span {
  font-family: var(--mono); font-size: 10px;
  padding: 3px 7px; border-radius: 999px;
  border: 1px solid var(--line-2);
  color: var(--ink-2);
  letter-spacing: 0.05em;
  transition: border-color 0.2s, color 0.2s;
}
.proof-grid .stat:hover .chan-list span { border-color: var(--signal-dim); color: var(--ink); }

@media (max-width: 960px) {
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-grid .stat { min-height: 220px; padding: 24px 22px; }
}
@media (max-width: 560px) {
  .proof-grid { grid-template-columns: 1fr; }
  .proof-grid .stat { min-height: auto; padding: 22px 20px; }
  .proof-grid .stat-v { font-size: 56px; }
}

.proof-board {
  position: relative;
  height: clamp(480px, 60vh, 640px);
  border: 1px dashed var(--line);
  border-radius: 12px;
  background:
    radial-gradient(800px 400px at 70% 30%, rgba(110,168,254,0.05), transparent 60%);
  overflow: hidden;
}
.proof-board::before, .proof-board::after {
  content: "";
  position: absolute;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 40px;
  inset: 0;
  opacity: 0.3;
  pointer-events: none;
}
.proof-board::after {
  background-image: none;
  background: radial-gradient(circle at 20% 80%, rgba(110,168,254,0.09), transparent 40%);
}

.metric-card {
  position: absolute;
  padding: 22px 24px;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 10px;
  cursor: grab;
  user-select: none;
  box-shadow: 0 24px 60px rgba(0,0,0,0.4), 0 4px 10px rgba(0,0,0,0.3);
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.4s var(--ease-out);
  min-width: 220px;
  will-change: transform;
}
.metric-card:hover {
  border-color: var(--signal);
  box-shadow: 0 24px 60px rgba(0,0,0,0.5), 0 0 0 1px var(--signal-dim);
}
.metric-card.dragging { cursor: grabbing; transition: none; z-index: 10; }
.metric-card .k {
  font-family: var(--mono); font-size: 10px;
  color: var(--ink-3); letter-spacing: 0.1em; text-transform: uppercase;
  display: flex; justify-content: space-between;
}
.metric-card .v {
  font-family: var(--serif);
  font-size: clamp(40px, 4.2vw, 72px);
  line-height: 1;
  margin: 8px 0 4px;
  letter-spacing: -0.02em;
}
.metric-card .v .unit { font-size: 0.5em; color: var(--ink-3); margin-left: 4px; vertical-align: baseline; }
.metric-card .d { font-size: 12px; color: var(--ink-2); line-height: 1.4; }
.metric-card.signal .v { color: var(--signal); }
.metric-card .bars {
  display: flex; gap: 3px; height: 24px; align-items: flex-end;
  margin-top: 10px;
}
.metric-card .bars span {
  flex: 1; background: var(--ink-4);
  border-radius: 1px;
}
.metric-card .bars span.on { background: var(--signal); }

/* ============================================================
   WORK — horizontal scroll readouts
   ============================================================ */
.work2 {
  position: relative;
  padding: 120px 0 80px;
  border-top: 1px solid var(--line);
}
.work2-head {
  display: flex; justify-content: space-between; align-items: end;
  flex-wrap: wrap; gap: 20px;
  margin-bottom: 60px;
}
.work2-head h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0;
}
.work2-head h2 em { color: var(--signal); font-style: italic; }
.work2-track-wrap {
  position: relative;
  overflow: hidden;
}
.work2-track {
  display: flex;
  gap: 24px;
  padding: 0 var(--gutter);
  cursor: grab;
  overflow-x: auto;
  scrollbar-width: none;
  scroll-snap-type: x mandatory;
}
.work2-track::-webkit-scrollbar { display: none; }
.work2-track.dragging { cursor: grabbing; scroll-snap-type: none; }
.work2-card {
  flex: 0 0 clamp(320px, 34vw, 520px);
  aspect-ratio: 4/5;
  border: 1px solid var(--line-2);
  border-radius: 14px;
  background: var(--bg-2);
  padding: 22px;
  display: flex; flex-direction: column; gap: 12px;
  scroll-snap-align: start;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s var(--ease-out);
}
.work2-card:hover { border-color: var(--signal); transform: translateY(-4px); }
.work2-card .readout {
  position: absolute;
  top: 16px; right: 16px;
  display: flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 10px; color: var(--ink-3);
  letter-spacing: 0.1em; text-transform: uppercase;
}
.work2-card .readout .live { width: 6px; height: 6px; background: var(--signal); border-radius: 50%; animation: pulse 2s infinite; }
.work2-card .tags {
  display: flex; flex-wrap: wrap; gap: 4px;
  margin-bottom: 0;
  font-family: var(--mono); font-size: 10px;
  color: var(--ink-3); letter-spacing: 0.08em; text-transform: uppercase;
}
.work2-card .tags span { padding: 3px 8px; border: 1px solid var(--line-2); border-radius: 999px; }
.work2-card .summary {
  font-size: 14px; line-height: 1.5; color: var(--ink-2);
  margin: 0; padding-bottom: 14px;
  border-bottom: 1px dashed var(--line-2);
}
.work2-card .title {
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.0; letter-spacing: -0.02em;
  margin: 0;
}
.work2-card .title em { color: var(--signal); font-style: italic; }
.work2-card .metrics {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  padding-top: 14px;
  margin-top: auto;
  border-top: 1px dashed var(--line-2);
}
.work2-card .metrics .k {
  font-family: var(--mono); font-size: 10px;
  color: var(--ink-3); letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 4px;
}
.work2-card .metrics .v {
  font-family: var(--serif);
  font-size: 32px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.work2-card .card-foot {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 10px;
  font-family: var(--mono); font-size: 10px;
  color: var(--ink-3); letter-spacing: 0.1em; text-transform: uppercase;
}
.work2-card .card-foot span:last-child { color: var(--ink-2); }
.work2-card:hover .card-foot span:last-child { color: var(--signal); }
.work2-card svg.chart {
  position: relative;
  height: 90px !important; width: 100%;
  opacity: 1;
  pointer-events: none;
  display: block;
  margin: 2px 0;
  background:
    linear-gradient(to right, rgba(110,168,254,0.08) 1px, transparent 1px) 0 0 / 25% 100%,
    linear-gradient(to bottom, rgba(110,168,254,0.08) 1px, transparent 1px) 0 0 / 100% 33.33%;
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
}
.work2-card .chart polyline {
  fill: none; stroke: var(--signal); stroke-width: 2.5;
  vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 10px rgba(110,168,254,0.7));
  stroke-linejoin: round; stroke-linecap: round;
}
.work2-card .chart polyline { stroke-width: 2.5 !important; }
.work2-nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px var(--gutter) 0;
  max-width: var(--maxw);
  margin: 0 auto;
}
.work2-nav .arrows { display: flex; gap: 8px; }
.work2-nav .arrows button {
  width: 44px; height: 44px;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  color: var(--ink-2);
  transition: all 0.2s;
}
.work2-nav .arrows button:hover { border-color: var(--signal); color: var(--signal); }
.work2-nav .count { font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.1em; text-transform: uppercase; }

/* ============================================================
   MACHINE — scroll-pinned diagram
   ============================================================ */
.machine {
  position: relative;
  padding: 140px 0;
  border-top: 1px solid var(--line);
}
.machine-head { margin-bottom: 80px; }
.machine-head h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  max-width: 18ch;
}
.machine-head h2 em { color: var(--signal); font-style: italic; }
.machine-head p {
  max-width: 56ch;
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.6;
}
.machine-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: start;
}
@media (max-width: 980px) { .machine-grid { grid-template-columns: 1fr; } }

.machine-steps {
  display: flex; flex-direction: column; gap: 8px;
}
.machine-step {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  transition: all 0.3s var(--ease);
  cursor: pointer;
}
.machine-step.active {
  border-color: var(--signal);
  background: rgba(110,168,254,0.06);
}
.machine-step .row {
  display: flex; align-items: baseline; gap: 12px;
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-3); letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 8px;
}
.machine-step .row .n { color: var(--signal); font-size: 10px; }
.machine-step .t {
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
.machine-step .d { font-size: 13.5px; color: var(--ink-2); line-height: 1.5; }

.machine-canvas {
  position: sticky; top: 100px;
  aspect-ratio: 1;
  border: 1px dashed var(--line);
  border-radius: 14px;
  background: radial-gradient(circle at 50% 50%, rgba(110,168,254,0.06), transparent 70%);
  padding: 20px;
}
.machine-canvas svg { width: 100%; height: 100%; }
.machine-canvas .node {
  transition: all 0.5s var(--ease);
}
.machine-canvas .node circle { transition: fill 0.4s, r 0.4s var(--ease); }
.machine-canvas .node.on circle { fill: var(--signal); r: 16; }
.machine-canvas .node.on text { fill: var(--ink); }
.machine-canvas .node text { fill: var(--ink-3); font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; }
.machine-canvas .edge { stroke: var(--line-2); stroke-width: 1; transition: stroke 0.4s, stroke-dasharray 0.4s; }
.machine-canvas .edge.on { stroke: var(--signal); }

/* ============================================================
   TOOLS matrix
   ============================================================ */
.tools2 {
  position: relative;
  padding: 120px 0;
  border-top: 1px solid var(--line);
}
.tools2-head { margin-bottom: 60px; display: flex; justify-content: space-between; align-items: end; gap: 20px; flex-wrap: wrap; }
.tools2-head h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0;
}
.tools2-head h2 em { color: var(--signal); font-style: italic; }
.tools2-filters { display: flex; gap: 6px; flex-wrap: wrap; }
.tools2-filter {
  padding: 6px 12px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-2); letter-spacing: 0.06em; text-transform: uppercase;
  transition: all 0.2s;
}
.tools2-filter:hover { color: var(--ink); border-color: var(--ink-3); }
.tools2-filter.on { background: var(--signal); color: #000; border-color: var(--signal); }

.tools2-grid,
.tool-cell { display: none !important; } /* legacy — replaced by .stack-term */

/* ============================================================
   Stack · Command Center Terminal
   ============================================================ */
.tools2-sub {
  font-family: var(--serif); font-size: 20px; line-height: 1.45;
  color: var(--ink-2); max-width: 62ch; margin: 0 0 44px;
}
.tools2-sub:empty { display: none; }

.stack-term {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  overflow: hidden;
  box-shadow: 0 24px 60px -30px rgba(0,0,0,0.4);
}
.stack-term-top {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px;
}
.stack-dot { width: 10px; height: 10px; border-radius: 50%; }
.stack-dot-r { background: #ff5f56; }
.stack-dot-y { background: #ffbd2e; }
.stack-dot-g { background: #27c93f; }
.stack-term-title {
  margin-left: 8px; color: var(--ink-2);
  letter-spacing: 0.04em;
}
.stack-term-meta {
  margin-left: auto; color: var(--ink-3);
  font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
}
@media (max-width: 700px) { .stack-term-meta { display: none; } }

.stack-term-body {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 520px;
}
@media (max-width: 760px) { .stack-term-body { grid-template-columns: 1fr; } }

/* Category nav */
.stack-nav {
  background: var(--bg-2);
  border-right: 1px solid var(--line);
  padding: 16px 10px;
  display: flex; flex-direction: column; gap: 2px;
}
@media (max-width: 760px) {
  .stack-nav { flex-direction: row; overflow-x: auto; border-right: none; border-bottom: 1px solid var(--line); padding: 12px; gap: 6px; }
  .stack-nav-head, .stack-nav-foot { display: none; }
}
.stack-nav-head {
  font-family: var(--mono); font-size: 10px;
  color: var(--ink-3); letter-spacing: 0.1em; text-transform: uppercase;
  padding: 4px 10px 10px; border-bottom: 1px dashed var(--line-2);
  margin-bottom: 4px;
}
.stack-nav-btn {
  all: unset; cursor: pointer;
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: 4px;
  font-family: var(--mono); font-size: 12px;
  color: var(--ink-2);
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.stack-nav-btn:hover { background: var(--bg); color: var(--ink); }
.stack-nav-btn.on { background: var(--ink); color: var(--bg); }
.stack-nav-btn.on .sn-c { color: var(--bg); opacity: 0.7; }
.stack-nav-btn .sn-k {
  color: var(--ink-4, var(--ink-3)); font-size: 10px; opacity: 0.6;
}
.stack-nav-btn .sn-c {
  margin-left: auto; font-size: 10px;
  color: var(--ink-3); padding: 2px 6px;
  background: var(--bg); border-radius: 3px;
  transition: color 0.15s;
}
.stack-nav-btn.on:hover { background: var(--ink); color: var(--bg); }
.stack-nav-foot {
  margin-top: auto; padding: 14px 12px 4px;
  border-top: 1px dashed var(--line-2);
  display: flex; flex-direction: column; gap: 6px;
}
.stack-legend {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 10px;
  color: var(--ink-3); letter-spacing: 0.08em; text-transform: uppercase;
}
.stack-legend .leg { width: 6px; height: 6px; border-radius: 50%; }
.leg-d { background: var(--signal); box-shadow: 0 0 8px var(--signal); }
.leg-w { background: var(--ink-2); }
.leg-p { background: var(--ink-3); opacity: 0.5; }

/* List */
.stack-list {
  padding: 8px 0;
  overflow: hidden;
}
.stack-list-head {
  display: grid;
  grid-template-columns: 18px 130px 1fr 60px;
  gap: 14px;
  padding: 8px 22px 12px;
  font-family: var(--mono); font-size: 10px;
  color: var(--ink-3); letter-spacing: 0.1em; text-transform: uppercase;
  border-bottom: 1px dashed var(--line-2);
}
.stack-list-head .slh-u { grid-column: 3 / span 1; }
@media (max-width: 760px) {
  .stack-list-head { grid-template-columns: 18px 1fr 60px; gap: 10px; padding: 8px 16px 12px; }
  .stack-list-head .slh-u { display: none; }
}

.stack-row {
  border-bottom: 1px solid var(--line-2);
  transition: background 0.15s;
}
.stack-row[open] { background: var(--bg-2); }
.stack-row.hide { display: none; }
.stack-row:hover { background: var(--bg-2); }
.stack-row summary {
  list-style: none; cursor: pointer;
  display: grid;
  grid-template-columns: 18px 130px 1fr 60px;
  gap: 14px; align-items: center;
  padding: 16px 22px;
  font-family: var(--mono); font-size: 13px;
}
.stack-row summary::-webkit-details-marker { display: none; }
@media (max-width: 760px) {
  .stack-row summary { grid-template-columns: 18px 1fr 60px; gap: 10px; padding: 14px 16px; }
  .stack-row summary .sr-cat { display: none; }
  .stack-row summary .sr-use { display: none; }
}
.sr-k { color: var(--ink-3); transition: transform 0.2s, color 0.2s; }
.stack-row[open] .sr-k { transform: rotate(90deg); color: var(--signal); }
.sr-cat {
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-3);
}
.sr-name {
  font-family: var(--serif); font-size: 17px;
  color: var(--ink); font-style: normal;
}
.stack-row.is-signal .sr-name { color: var(--signal); }
.sr-use {
  font-family: var(--mono); font-size: 12px;
  color: var(--ink-2); grid-column: 3; line-height: 1.4;
}
@media (min-width: 1100px) {
  .stack-row summary { grid-template-columns: 18px 130px 260px 1fr 60px; }
  .stack-list-head { grid-template-columns: 18px 130px 260px 1fr 60px; }
  .stack-list-head .slh-u { grid-column: 4; }
  .sr-use { grid-column: 4; }
}
.sr-freq {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.08em; text-transform: uppercase;
  text-align: right; color: var(--ink-3);
  position: relative; padding-right: 14px;
}
.sr-freq::after {
  content: ''; position: absolute; right: 0; top: 50%;
  transform: translateY(-50%);
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ink-3);
}
.sr-freq[data-freq="d"] { color: var(--signal); }
.sr-freq[data-freq="d"]::after { background: var(--signal); box-shadow: 0 0 8px var(--signal); }
.sr-freq[data-freq="w"]::after { background: var(--ink-2); }
.sr-freq[data-freq="p"]::after { background: var(--ink-3); opacity: 0.5; }

.sr-body {
  padding: 4px 22px 22px 54px;
  font-family: var(--serif); font-size: 16px; line-height: 1.6;
  color: var(--ink-2);
  max-width: 78ch;
}
@media (max-width: 760px) { .sr-body { padding: 4px 16px 18px 42px; font-size: 15px; } }

.stack-empty {
  padding: 60px 22px; text-align: center;
  font-family: var(--mono); font-size: 12px;
  color: var(--ink-3); letter-spacing: 0.08em; text-transform: uppercase;
}

/* ============================================================
   Testimonials as chat artifacts
   ============================================================ */
.voices {
  position: relative;
  padding: 120px 0;
  border-top: 1px solid var(--line);
}
.voices-head { margin-bottom: 60px; }
.voices-head h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0;
  max-width: 18ch;
}
.voices-head h2 em { color: var(--signal); font-style: italic; }
.voices-stack {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
}
@media (max-width: 860px) { .voices-stack { grid-template-columns: 1fr; } }
.voices-list { display: flex; flex-direction: column; gap: 18px; }
.voice-bubble {
  padding: 24px 26px;
  border: 1px solid var(--line-2);
  border-radius: 14px 14px 14px 4px;
  background: var(--bg-2);
  max-width: 92%;
  transition: border-color 0.3s, transform 0.3s var(--ease-out);
}
.voice-bubble:hover { border-color: var(--signal); transform: translateX(4px); }
.voice-bubble:nth-child(even) {
  align-self: flex-end;
  border-radius: 14px 14px 4px 14px;
  background: rgba(110,168,254,0.05);
}
.voice-bubble .meta {
  display: flex; flex-direction: column; gap: 3px;
  font-family: var(--mono); font-size: 10px; color: var(--ink-3);
  letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: 12px;
}
.voice-bubble .meta strong {
  color: var(--ink); font-weight: 500;
  font-size: 12px; letter-spacing: 0.04em;
}
.voice-bubble .meta span { line-height: 1.4; }
.voice-bubble .q {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink);
  margin: 0;
}
.voice-bubble .q em { font-style: italic; color: var(--signal); }
.voice-date {
  font-family: var(--mono); font-size: 10px;
  color: var(--ink-4, var(--ink-3)); letter-spacing: 0.08em;
  text-transform: uppercase; margin-top: 12px;
  padding-top: 10px; border-top: 1px dashed var(--line-2);
  opacity: 0.7;
}
.voices-aside {
  border-left: 1px dashed var(--line-2);
  padding-left: 40px;
  position: sticky; top: 100px;
  align-self: start;
}
@media (max-width: 860px) { .voices-aside { border-left: none; padding-left: 0; position: static; } }
.voices-aside h3 {
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-3); letter-spacing: 0.1em; text-transform: uppercase;
  margin: 0 0 16px;
}
.voices-logos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
.voices-logos span {
  background: var(--bg);
  padding: 14px;
  font-family: var(--serif);
  font-size: 18px;
  text-align: center;
  color: var(--ink-2);
  transition: color 0.2s, background 0.2s;
}
.voices-logos span:hover { color: var(--signal); background: var(--bg-2); }

/* Operator groups (agencies / clients / in-house) */
.ops-group { margin-bottom: 24px; }
.ops-label {
  font-family: var(--mono); font-size: 10px;
  color: var(--ink-3); letter-spacing: 0.1em; text-transform: uppercase;
  margin: 0 0 10px; display: flex; align-items: baseline; gap: 6px;
}
.ops-sub { color: var(--ink-4, var(--ink-3)); opacity: 0.7; font-weight: 400; text-transform: none; letter-spacing: 0.04em; }
.ops-logos span { padding: 11px 10px; font-size: 15px; }
.ops-logos-3 { grid-template-columns: 1fr 1fr 1fr; }
.ops-logos-3 span { font-size: 13px; padding: 10px 8px; }
.ops-logos-3 .ops-wide { grid-column: 1 / -1; font-style: italic; color: var(--ink-3); font-size: 13px; }
.ops-founder { font-style: italic; color: var(--signal); }

/* Industries are categorical, visually distinguish from client marks */
.ops-verticals span {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-2); font-style: normal;
  padding: 12px 8px;
}
.ops-verticals span:hover { color: var(--signal); background: var(--bg-2); }
.ops-note {
  margin: 12px 0 0; color: var(--ink-3); font-size: 12px;
  line-height: 1.55; font-style: italic;
}
.ops-footer {
  margin-top: 20px; color: var(--ink-3); font-size: 13px; line-height: 1.55;
}
.ops-source {
  margin-top: 14px; color: var(--ink-3); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase; line-height: 1.5;
  opacity: 0.7;
}
@media (max-width: 480px) {
  .ops-logos-3 { grid-template-columns: 1fr 1fr; }
  .ops-logos-3 span { font-size: 12px; }
}

/* ============================================================
   Contact / terminal
   ============================================================ */
.contact2 {
  position: relative;
  padding: 140px 0 100px;
  border-top: 1px solid var(--line);
}
.contact2-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 860px) { .contact2-inner { grid-template-columns: 1fr; } }
.contact2 h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(56px, 9vw, 156px);
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin: 0 0 30px;
}
.contact2 h2 em { color: var(--signal); font-style: italic; }
.contact2 .lede {
  max-width: 48ch;
  color: var(--ink-2);
  font-size: 17px;
  line-height: 1.55;
  margin-bottom: 32px;
}
.contact2 .links { display: flex; flex-direction: column; gap: 4px; margin-top: 20px; }
.contact2 .links a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 4px;
  border-top: 1px solid var(--line);
  transition: padding 0.3s var(--ease), color 0.2s;
  font-size: 16px;
}
.contact2 .links a:last-child { border-bottom: 1px solid var(--line); }
.contact2 .links a:hover { color: var(--signal); padding-left: 14px; }
.contact2 .links a .arr { font-family: var(--mono); font-size: 12px; color: var(--ink-3); transition: transform 0.3s; }
.contact2 .links a:hover .arr { color: var(--signal); transform: translateX(6px); }

.terminal {
  border: 1px solid var(--line-2);
  border-radius: 10px;
  background: var(--bg-2);
  overflow: hidden;
  font-family: var(--mono);
  font-size: 12.5px;
  box-shadow: 0 40px 80px rgba(0,0,0,0.45);
}
.terminal-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 11px;
}
.terminal-bar .dots { display: flex; gap: 6px; }
.terminal-bar .dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); }
.terminal-bar .dots span:first-child { background: var(--danger); opacity: 0.6; }
.terminal-bar .dots span:nth-child(2) { background: var(--signal); opacity: 0.6; }
.terminal-bar .dots span:nth-child(3) { background: #4fd481; opacity: 0.6; }
.terminal-bar .title { margin-left: 8px; }
.terminal-body {
  padding: 18px;
  min-height: 280px;
  line-height: 1.6;
}
.terminal-body .ln { display: block; }
.terminal-body .ln .pr { color: var(--signal); margin-right: 10px; }
.terminal-body .ln .k { color: var(--ink-3); }
.terminal-body .ln .v { color: var(--ink); }
.terminal-body .ln.hi .v { color: var(--signal); }
.terminal-body .typ::after { content: "_"; color: var(--signal); animation: blink 1s steps(2) infinite; }

/* ============================================================
   Footer
   ============================================================ */
.footer2 {
  padding: 80px var(--gutter) 40px;
  border-top: 1px solid var(--line);
}
.footer2-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  gap: 40px;
}
@media (max-width: 860px) { .footer2-inner { grid-template-columns: 1fr 1fr; } }
.footer2 h5 {
  font-family: var(--mono); font-size: 10px;
  color: var(--ink-3); letter-spacing: 0.12em; text-transform: uppercase;
  margin: 0 0 14px;
}
.footer2 ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.footer2 ul a { color: var(--ink-2); font-size: 14px; transition: color 0.2s; }
.footer2 ul a:hover { color: var(--signal); }
.footer2 .colophon {
  max-width: 36ch;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.55;
}
.footer2-bar {
  max-width: var(--maxw);
  margin: 60px auto 0;
  display: flex; justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-3); letter-spacing: 0.08em; text-transform: uppercase;
}

/* ============================================================
   Command palette
   ============================================================ */
.cmdk-overlay {
  position: fixed; inset: 0;
  z-index: 200;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(12px);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
}
.cmdk-overlay.open { display: flex; }
.cmdk {
  width: min(600px, 92vw);
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 60px 120px rgba(0,0,0,0.6);
}
.cmdk-input {
  width: 100%;
  padding: 18px 20px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 15px;
  outline: none;
}
.cmdk-input::placeholder { color: var(--ink-3); }
.cmdk-list {
  max-height: 50vh; overflow-y: auto;
  padding: 8px;
}
.cmdk-item {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
}
.cmdk-item .icon {
  width: 32px; height: 32px;
  border-radius: 6px;
  background: var(--bg-3);
  display: grid; place-items: center;
  font-family: var(--mono); font-size: 14px;
  color: var(--signal);
}
.cmdk-item .txt { flex: 1; }
.cmdk-item .txt .t { font-size: 14px; color: var(--ink); }
.cmdk-item .txt .d { font-family: var(--mono); font-size: 11px; color: var(--ink-3); }
.cmdk-item .k { font-family: var(--mono); font-size: 11px; color: var(--ink-3); }
.cmdk-item.active, .cmdk-item:hover { background: rgba(110,168,254,0.08); }
.cmdk-foot {
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 10px; color: var(--ink-3);
  letter-spacing: 0.08em; text-transform: uppercase;
}

/* ============================================================
   Tweaks panel
   ============================================================ */
.tweaks-panel {
  position: fixed;
  bottom: 20px; right: 20px;
  width: 280px;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  padding: 16px;
  z-index: 150;
  display: none;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}
.tweaks-panel.open { display: block; }
.tweaks-panel h4 {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
  color: var(--ink-3); text-transform: uppercase; margin: 0 0 14px;
  display: flex; justify-content: space-between;
}
.tweaks-panel .grp { margin-bottom: 14px; }
.tweaks-panel .grp .lbl {
  font-family: var(--mono); font-size: 10px; color: var(--ink-3);
  letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 6px;
}
.tweaks-panel .swatches { display: flex; gap: 6px; }
.tweaks-panel .swatch {
  flex: 1; height: 28px; border-radius: 6px;
  border: 1px solid var(--line-2);
  cursor: pointer;
  transition: transform 0.15s;
}
.tweaks-panel .swatch:hover { transform: translateY(-2px); }
.tweaks-panel .swatch.on { outline: 1.5px solid #fff; outline-offset: 2px; }

/* ============================================================
   Reveal
   ============================================================ */
.rv { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
.rv.in { opacity: 1; transform: none; }
.rv-delay-1 { transition-delay: 0.1s; }
.rv-delay-2 { transition-delay: 0.2s; }
.rv-delay-3 { transition-delay: 0.3s; }
.rv-delay-4 { transition-delay: 0.4s; }

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

/* ============================================================
   Inner-page patterns
   ============================================================ */

/* Page header (used on work/about/contact/case-*) */
.page-head {
  padding: 160px var(--gutter) 80px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.page-head::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(ellipse at 30% 50%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 30% 50%, black 0%, transparent 70%);
  opacity: 0.5;
  pointer-events: none;
}
.page-head-inner {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
.page-head .crumb {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-3); letter-spacing: 0.1em; text-transform: uppercase;
}
.page-head .crumb .sep { color: var(--ink-4); }
.page-head .crumb a { color: var(--ink-3); transition: color 0.2s; }
.page-head .crumb a:hover { color: var(--signal); }
.page-head h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(64px, 11vw, 180px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  margin: 0;
  max-width: 14ch;
}
.page-head h1 em { color: var(--signal); font-style: italic; }
.page-head .lede {
  max-width: 60ch;
  color: var(--ink-2);
  font-size: 18px;
  line-height: 1.55;
}
.page-head .meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.page-head .meta-grid .k {
  font-family: var(--mono); font-size: 10px;
  color: var(--ink-3); letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 6px;
}
.page-head .meta-grid .v { font-size: 15px; color: var(--ink); }

/* ---------- Work list ---------- */
.work-list2 {
  padding: 100px var(--gutter) 80px;
  border-bottom: 1px solid var(--line);
}
.work-list2-inner { max-width: var(--maxw); margin: 0 auto; }
.work-row {
  display: grid;
  grid-template-columns: 80px 1.2fr 0.9fr 140px;
  gap: 24px;
  align-items: center;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  transition: padding 0.4s var(--ease), background 0.3s;
  cursor: pointer;
  position: relative;
}
.work-row:last-child { border-bottom: 1px solid var(--line); }
.work-row:hover { padding-left: 14px; background: rgba(110,168,254,0.03); }
.work-row:hover .work-row-title em { color: var(--signal); }
.work-row:hover .work-row-arr { transform: translateX(10px); color: var(--signal); }
@media (max-width: 860px) {
  .work-row { grid-template-columns: 60px 1fr; }
  .work-row .hide-mobile { display: none; }
}
.work-row-num { font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.1em; }
.work-row-title {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.work-row-title em { font-style: italic; color: var(--ink-2); transition: color 0.25s; }
.work-row-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.work-row-tags span {
  padding: 4px 10px; border: 1px solid var(--line-2); border-radius: 999px;
  font-family: var(--mono); font-size: 10px; color: var(--ink-3);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.work-row-metric {
  text-align: right;
  font-family: var(--serif);
  font-size: 24px;
  color: var(--ink);
}
.work-row-metric .k {
  display: block; font-family: var(--mono); font-size: 10px;
  color: var(--ink-3); letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 4px;
}
.work-row-arr {
  justify-self: end;
  font-family: var(--mono); font-size: 14px;
  color: var(--ink-3);
  transition: transform 0.3s var(--ease), color 0.2s;
}

/* ---------- About / bio page ---------- */
.about-grid {
  padding: 100px var(--gutter);
  border-bottom: 1px solid var(--line);
}
.about-grid-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
}
@media (max-width: 960px) { .about-grid-inner { grid-template-columns: 1fr; gap: 50px; } }
.about-portrait {
  position: sticky; top: 100px;
  align-self: start;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  aspect-ratio: 3/4;
  background:
    linear-gradient(135deg, var(--bg-3), var(--bg-2)),
    radial-gradient(circle at 30% 30%, rgba(110,168,254,0.15), transparent 50%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 24px;
}
.about-portrait .portrait-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 18%;
  z-index: 0;
  filter: saturate(0.92) contrast(1.02);
}
/* Top-edge gradient fade so the photo dissolves into the card frame */
.about-portrait::before {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(11,11,12,0.35) 0%, transparent 18%, transparent 55%, rgba(11,11,12,0.85) 100%);
  z-index: 1;
  pointer-events: none;
}
/* Keep the subtle grid overlay as editorial texture */
.about-portrait::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 40px; opacity: 0.18;
  z-index: 1;
  pointer-events: none;
  mix-blend-mode: overlay;
}
.about-portrait .overlay-card {
  position: relative; z-index: 2;
  background: rgba(11,11,12,0.85);
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 14px 16px;
  backdrop-filter: blur(8px);
  width: 100%;
}
.about-portrait .overlay-card .k {
  font-family: var(--mono); font-size: 10px; color: var(--ink-3);
  letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 4px;
}
.about-portrait .overlay-card .v { font-family: var(--serif); font-size: 20px; letter-spacing: -0.01em; }
.about-portrait .overlay-card .v em { color: var(--signal); font-style: italic; }

@media (max-width: 960px) { .about-portrait { position: static; } }

.about-body h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 5.5vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0 0 32px;
}
.about-body h2 em { color: var(--signal); font-style: italic; }
.about-body p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0 0 24px;
  max-width: 60ch;
}
.about-body p strong { color: var(--ink); font-weight: 500; }
.about-body h3 {
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-3); letter-spacing: 0.12em; text-transform: uppercase;
  margin: 48px 0 20px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.timeline { display: flex; flex-direction: column; gap: 4px; }
.timeline-row {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s;
  align-items: baseline;
}
.timeline-row:hover { background: rgba(110,168,254,0.04); padding-left: 10px; }
.timeline-row .yr { font-family: var(--mono); font-size: 12px; color: var(--signal); letter-spacing: 0.06em; }
.timeline-row .t { font-family: var(--serif); font-size: 20px; letter-spacing: -0.01em; }
.timeline-row .t em { color: var(--ink-3); font-style: italic; }
.timeline-row .co { font-family: var(--mono); font-size: 11px; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.08em; }

.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 16px;
}
.principles .p {
  background: var(--bg);
  padding: 22px 20px;
  min-height: 170px;
  display: flex; flex-direction: column;
  transition: background 0.25s;
}
.principles .p:hover { background: var(--bg-2); }
.principles .p .idx {
  font-family: var(--mono); font-size: 11px; color: var(--signal);
  letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 14px;
}
.principles .p .t {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.15;
  margin-bottom: 10px;
}
.principles .p .d { font-size: 13.5px; color: var(--ink-2); line-height: 1.5; }

/* ---------- Contact page ---------- */
.contact-page {
  padding: 100px var(--gutter);
  border-bottom: 1px solid var(--line);
}
.contact-page-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 960px) { .contact-page-inner { grid-template-columns: 1fr; gap: 50px; } }

.form2 { display: flex; flex-direction: column; gap: 4px; }
.form2 .row {
  display: grid; grid-template-columns: 140px 1fr;
  gap: 24px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.form2 .row:first-child { border-top: 0; }
@media (max-width: 720px) { .form2 .row { grid-template-columns: 1fr; gap: 6px; } }
.form2 .row .k {
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-3); letter-spacing: 0.1em; text-transform: uppercase;
}
.form2 input, .form2 textarea {
  width: 100%;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 20px;
  padding: 4px 0;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.25s;
  resize: none;
}
.form2 input:focus, .form2 textarea:focus { border-color: var(--signal); }
.form2 input::placeholder, .form2 textarea::placeholder { color: var(--ink-4); font-family: var(--serif); }
.form2 textarea { min-height: 100px; font-family: var(--sans); font-size: 16px; line-height: 1.5; }

.form2 .chip-group { display: flex; flex-wrap: wrap; gap: 6px; }
.form2 .chip-pick {
  padding: 7px 12px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-2); letter-spacing: 0.06em; text-transform: uppercase;
  transition: all 0.2s;
}
.form2 .chip-pick:hover { border-color: var(--ink-3); }
.form2 .chip-pick.on { background: var(--signal); color: #000; border-color: var(--signal); }

.form2 .submit-row {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px;
  margin-top: 20px;
  border-top: 1px solid var(--line);
}
.form2 .submit-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  background: var(--signal); color: #000;
  border-radius: 999px;
  font-family: var(--mono); font-size: 13px;
  letter-spacing: 0.06em; text-transform: uppercase;
  transition: transform 0.2s, box-shadow 0.2s;
  font-weight: 500;
}
.form2 .submit-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px var(--signal-dim); }

.contact-aside {
  display: flex; flex-direction: column; gap: 24px;
}
.contact-aside .card {
  padding: 24px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: var(--bg-2);
}
.contact-aside .card h4 {
  font-family: var(--mono); font-size: 11px; color: var(--ink-3);
  letter-spacing: 0.1em; text-transform: uppercase;
  margin: 0 0 14px;
}
.contact-aside .card p {
  font-family: var(--serif); font-size: 22px; line-height: 1.3;
  margin: 0; letter-spacing: -0.01em;
}
.contact-aside .card p em { color: var(--signal); font-style: italic; }
.contact-aside .card .links {
  display: flex; flex-direction: column; gap: 10px;
  margin-top: 16px;
}
.contact-aside .card .links a {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 14px; color: var(--ink-2);
  transition: color 0.2s;
}
.contact-aside .card .links a:hover { color: var(--signal); }
.contact-aside .card .links a .arr { font-family: var(--mono); font-size: 11px; }

/* ---------- Case study ---------- */
.case-hero {
  padding: 160px var(--gutter) 60px;
  position: relative;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.case-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(ellipse at 70% 50%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 50%, black 0%, transparent 70%);
  opacity: 0.5;
  pointer-events: none;
}
.case-hero-inner { max-width: var(--maxw); margin: 0 auto; position: relative; }
.case-hero .client {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 12px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-3); letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 30px;
}
.case-hero .client::before {
  content: ""; width: 6px; height: 6px; background: var(--signal); border-radius: 50%;
}
.case-hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(56px, 9vw, 160px);
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin: 0;
  max-width: 16ch;
}
.case-hero h1 em { color: var(--signal); font-style: italic; }
.case-hero .lede {
  margin-top: 30px;
  max-width: 60ch;
  font-size: 18px; line-height: 1.55;
  color: var(--ink-2);
}

.case-stats {
  padding: 60px var(--gutter);
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}
.case-stats-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
}
.case-stat .k {
  font-family: var(--mono); font-size: 10px; color: var(--ink-3);
  letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 10px;
}
.case-stat .v {
  font-family: var(--serif);
  font-size: clamp(48px, 6vw, 96px);
  line-height: 1;
  color: var(--signal);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.case-stat .d { font-size: 13px; color: var(--ink-2); line-height: 1.5; }

.case-body {
  padding: 80px var(--gutter) 60px;
  border-bottom: 1px solid var(--line);
}
.case-body-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 220px 1fr; gap: 80px;
}
@media (max-width: 960px) { .case-body-inner { grid-template-columns: 1fr; gap: 24px; } }
.case-body .sidebar {
  position: sticky; top: 100px; align-self: start;
  display: flex; flex-direction: column; gap: 18px;
}
.case-body .sidebar .grp h5 {
  font-family: var(--mono); font-size: 10px; color: var(--ink-3);
  letter-spacing: 0.12em; text-transform: uppercase;
  margin: 0 0 10px;
}
.case-body .sidebar .grp p { font-size: 14px; color: var(--ink-2); line-height: 1.5; margin: 0; }
.case-body .sidebar .grp ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 4px; }
.case-body .sidebar .grp ul li { font-size: 14px; color: var(--ink-2); }
@media (max-width: 960px) { .case-body .sidebar { position: static; } }

.case-body .article h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(32px, 3.8vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 60px 0 20px;
}
.case-body .article h2:first-child { margin-top: 0; }
.case-body .article h2 em { color: var(--signal); font-style: italic; }
.case-body .article p {
  font-size: 17px; line-height: 1.65;
  color: var(--ink-2);
  margin: 0 0 18px;
  max-width: 62ch;
}
.case-body .article p strong { color: var(--ink); font-weight: 500; }
.case-body .article ul {
  list-style: none; padding: 0; margin: 0 0 20px;
  display: flex; flex-direction: column; gap: 10px;
  max-width: 60ch;
}
.case-body .article ul li {
  padding-left: 22px; position: relative;
  font-size: 16px; color: var(--ink-2); line-height: 1.55;
}
.case-body .article ul li::before {
  content: "→"; position: absolute; left: 0; color: var(--signal);
  font-family: var(--mono); font-size: 14px;
}

.case-body .pullquote {
  margin: 40px 0;
  padding: 30px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: var(--serif);
  font-size: clamp(24px, 2.8vw, 36px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 28ch;
}
.case-body .pullquote em { color: var(--signal); font-style: italic; }

.case-nav {
  padding: 60px var(--gutter) 100px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: var(--maxw);
  margin: 0 auto;
}
@media (max-width: 720px) { .case-nav { grid-template-columns: 1fr; } }
.case-nav a {
  padding: 28px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: var(--bg-2);
  transition: border-color 0.25s, transform 0.3s var(--ease-out);
}
.case-nav a:hover { border-color: var(--signal); transform: translateY(-3px); }
.case-nav a .k { font-family: var(--mono); font-size: 10px; color: var(--ink-3); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 10px; }
.case-nav a .t { font-family: var(--serif); font-size: 28px; line-height: 1.1; letter-spacing: -0.01em; }
.case-nav a .t em { color: var(--signal); font-style: italic; }
.case-nav a.next { text-align: right; }

/* shared CTA band */
.cta-band {
  padding: 120px var(--gutter);
  text-align: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(800px 400px at 50% 50%, var(--signal-dim), transparent 70%);
  pointer-events: none;
  opacity: 0.5;
}
.cta-band-inner { position: relative; max-width: 1000px; margin: 0 auto; }
.cta-band h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 88px);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}
.cta-band h3 em { color: var(--signal); font-style: italic; }
.cta-band p { color: var(--ink-2); font-size: 17px; max-width: 52ch; margin: 0 auto 30px; }
.cta-band .btn-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn-solid {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  background: var(--signal); color: #000;
  border-radius: 999px;
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.08em; text-transform: uppercase;
  transition: transform 0.2s, box-shadow 0.2s;
  font-weight: 500;
}
.btn-solid:hover { transform: translateY(-2px); box-shadow: 0 12px 30px var(--signal-dim); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-family: var(--mono); font-size: 12px;
  color: var(--ink-2);
  letter-spacing: 0.08em; text-transform: uppercase;
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover { border-color: var(--signal); color: var(--signal); }

/* ============================================================
   Stack · Architecture modal (pipeline diagram)
   ============================================================ */
.stack-arch-btn {
  all: unset; cursor: pointer;
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 28px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg-2);
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink);
  transition: border-color 0.2s, color 0.2s, background 0.2s, transform 0.2s var(--ease-out);
}
.stack-arch-btn:hover { border-color: var(--signal); color: var(--signal); background: var(--bg); transform: translateY(-1px); }
.stack-arch-btn .sab-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  border: 1px solid var(--line-2); border-radius: 50%;
  color: var(--signal);
  transition: border-color 0.2s;
}
.stack-arch-btn:hover .sab-icon { border-color: var(--signal); }
.stack-arch-btn .sab-arrow { color: var(--ink-3); transition: color 0.2s, transform 0.2s; }
.stack-arch-btn:hover .sab-arrow { color: var(--signal); transform: translate(2px, -2px); }

/* Modal shell */
.arch-modal[hidden] { display: none; }
.arch-modal {
  position: fixed; inset: 0; z-index: 120;
  display: flex; align-items: center; justify-content: center;
  padding: 28px;
  animation: archFadeIn 0.22s var(--ease-out);
}
@keyframes archFadeIn { from { opacity: 0; } to { opacity: 1; } }
.arch-backdrop {
  position: absolute; inset: 0;
  background: rgba(8,10,14,0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.arch-dialog {
  position: relative;
  width: min(1280px, 100%);
  max-height: 92vh;
  overflow: auto;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  animation: archRise 0.28s var(--ease-out);
}
@keyframes archRise { from { transform: translateY(12px); opacity: 0; } to { transform: none; opacity: 1; } }

.arch-header {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 20px;
  padding: 28px 32px 20px;
  border-bottom: 1px solid var(--line);
}
.arch-chip {
  display: inline-block;
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--signal);
  padding: 4px 10px; border: 1px solid var(--signal);
  border-radius: 3px; margin-bottom: 14px;
}
#arch-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.05; letter-spacing: -0.02em;
  margin: 0 0 8px;
}
.arch-sub {
  font-family: var(--mono); font-size: 12px;
  color: var(--ink-3); letter-spacing: 0.04em; line-height: 1.5;
  margin: 0; max-width: 56ch;
}
.arch-close {
  all: unset; cursor: pointer;
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-2); font-size: 14px;
  transition: border-color 0.2s, color 0.2s;
}
.arch-close:hover { border-color: var(--signal); color: var(--signal); }

/* Diagram canvas */
.arch-canvas-wrap {
  padding: 24px 32px;
  overflow-x: auto;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 20% 20%, rgba(110,168,254,0.04), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(110,168,254,0.03), transparent 40%);
}
.arch-canvas {
  display: block;
  width: 100%;
  height: auto;
  min-width: 880px;
  max-width: 1200px;
  margin: 0 auto;
}

/* Diagram text */
.arch-col-head text {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  fill: var(--ink-3);
}
.arch-col-rule line { stroke: var(--line-2); stroke-width: 1; }

/* Nodes */
.arch-rect {
  fill: var(--bg-2);
  stroke: var(--line-2);
  stroke-width: 1;
  transition: stroke 0.25s, fill 0.25s, filter 0.25s;
}
.arch-rect-ghost { stroke-dasharray: 3 4; opacity: 0.8; }
.arch-rect-gate {
  fill: var(--bg);
  stroke: var(--ink-3);
}
.arch-rect-hub {
  fill: var(--bg-2);
  stroke: var(--ink);
  stroke-width: 1.5;
}
.arch-rect.arch-signal {
  stroke: var(--signal);
  fill: rgba(110,168,254,0.08);
  filter: drop-shadow(0 0 10px rgba(110,168,254,0.2));
}
.arch-group:hover .arch-rect { stroke: var(--signal); fill: rgba(110,168,254,0.08); }

.arch-lbl-k {
  font-family: var(--mono); font-size: 9px;
  fill: var(--ink-3);
  letter-spacing: 0.1em; text-transform: uppercase;
}
.arch-lbl {
  font-family: var(--serif); font-size: 14px;
  fill: var(--ink); font-weight: 500;
}

/* Flow lines */
.arch-flows { color: rgba(110,168,254,0.6); }
.flow {
  fill: none;
  stroke: rgba(110,168,254,0.35);
  stroke-width: 1.2;
  stroke-dasharray: 6 4;
  animation: flowDash 3s linear infinite;
}
.flow-loop {
  stroke: rgba(110,168,254,0.5);
  stroke-width: 1.4;
  stroke-dasharray: 4 6;
}
@keyframes flowDash { to { stroke-dashoffset: -40; } }
@media (prefers-reduced-motion: reduce) { .flow, .flow-loop { animation: none; } }
.arch-loop-label {
  font-family: var(--mono); font-size: 10px;
  fill: var(--signal);
  letter-spacing: 0.1em; text-transform: uppercase;
  text-anchor: middle; opacity: 0.8;
}

/* Legend */
.arch-legend {
  display: flex; flex-wrap: wrap; gap: 24px;
  padding: 14px 32px;
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-3); letter-spacing: 0.04em;
  border-top: 1px dashed var(--line-2);
}
.arch-legend-item { display: flex; align-items: center; gap: 8px; }
.lbox { width: 14px; height: 10px; border-radius: 2px; }
.lbox-signal { background: rgba(110,168,254,0.2); border: 1px solid var(--signal); }
.lbox-ghost { background: var(--bg-2); border: 1px dashed var(--ink-3); }
.lbox-flow { background: transparent; border: none; position: relative; }
.lbox-flow::before {
  content: ''; position: absolute; inset: 0;
  border-top: 1.5px dashed rgba(110,168,254,0.6);
  top: 5px;
}

/* Reading column */
.arch-read {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.arch-read-col {
  padding: 22px 22px 28px;
  border-right: 1px dashed var(--line-2);
}
.arch-read-col:last-child { border-right: none; }
.arc-k {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--signal); margin-bottom: 10px;
}
.arch-read-col p {
  font-family: var(--serif); font-size: 14px; line-height: 1.55;
  color: var(--ink-2); margin: 0;
}

@media (max-width: 900px) {
  .arch-modal { padding: 12px; }
  .arch-header { padding: 20px 18px 16px; }
  .arch-canvas-wrap { padding: 16px 10px; }
  .arch-legend { padding: 14px 20px; gap: 14px; font-size: 10px; }
  .arch-read { grid-template-columns: 1fr 1fr; }
  .arch-read-col { padding: 18px 18px 22px; }
  .arch-read-col:nth-child(2) { border-right: none; }
  .arch-read-col:nth-child(1), .arch-read-col:nth-child(2) { border-bottom: 1px dashed var(--line-2); }
}
@media (max-width: 560px) {
  .arch-read { grid-template-columns: 1fr; }
  .arch-read-col { border-right: none !important; border-bottom: 1px dashed var(--line-2); }
  .arch-read-col:last-child { border-bottom: none; }
}

/* Lock page scroll while open */
body.arch-open { overflow: hidden; }