/* =============================================================
   Velon Suite — application detail pages (shared shell)
   ============================================================= */

/* ---------- Hero ---------- */
.app-hero {
  position: relative;
  background:
    radial-gradient(110% 80% at 85% 0%, rgba(201,123,61,0.12), transparent 58%),
    linear-gradient(180deg, var(--ink-2), var(--ink));
  padding: clamp(60px, 7vw, 110px) 0 clamp(40px, 5vw, 70px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  isolation: isolate;
}
/* technical grid + scanning accent line behind the hero */
.app-hero::before {
  content: '';
  position: absolute; inset: 0; z-index: -2;
  background-image:
    linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(120% 100% at 80% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(120% 100% at 80% 0%, #000 30%, transparent 75%);
}
.app-hero::after {
  content: '';
  position: absolute; top: 0; bottom: 0; left: 0; width: 38%; z-index: -1;
  background: linear-gradient(90deg, transparent, rgba(201,123,61,0.07), transparent);
  animation: heroScan 9s var(--ease) infinite;
  pointer-events: none;
}
@keyframes heroScan {
  0% { transform: translateX(-60%); opacity: 0; }
  35% { opacity: 1; }
  70% { opacity: 1; }
  100% { transform: translateX(280%); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .app-hero::after { animation: none; opacity: 0; } }
.app-hero .container { position: relative; z-index: 1; }
.app-hero .breadcrumb { margin-bottom: clamp(34px, 4vw, 56px); }
.app-id {
  display: flex; align-items: center; gap: 18px; margin-bottom: 22px;
}
.app-id .ai-code {
  font-family: var(--font-mono);
  font-size: clamp(28px, 3.4vw, 46px);
  font-weight: 600; letter-spacing: 0.06em;
  color: var(--ink);
  background: var(--copper-hi);
  padding: 6px 16px; border-radius: 6px;
  box-shadow: 0 8px 30px rgba(201,123,61,0.35);
}
.app-id .ai-pillar {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-mute);
  border: 1px solid var(--line-2); border-radius: 999px;
  padding: 8px 14px;
}
.app-id .ai-pillar.p2 { color: var(--copper-hi); border-color: var(--copper); }
.app-id .ai-pillar.p3 { color: #8ec5ff; border-color: #8ec5ff; }
.app-id .ai-pillar.foundation { color: var(--signal); border-color: var(--signal); }
.app-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 86px); line-height: 0.98;
  letter-spacing: -0.025em; font-weight: 400;
  max-width: 18ch; text-wrap: balance;
}
.app-hero h1 em { font-style: italic; color: var(--copper-hi); }
.app-tagline {
  font-family: var(--font-sans); font-weight: 300;
  font-size: clamp(18px, 1.7vw, 24px); line-height: 1.4;
  color: var(--text-mute); max-width: 60ch;
  margin-top: 22px;
}
.app-tagline strong { color: var(--text); font-weight: 500; }
.app-desc { color: var(--text-mute); font-size: 16px; line-height: 1.6; max-width: 70ch; margin-top: 18px; }

/* ---------- KPI strip ---------- */
.app-kpis {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--line);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.app-kpi {
  background: var(--ink);
  padding: clamp(22px, 2.4vw, 34px) clamp(18px, 2vw, 28px);
  display: flex; flex-direction: column; gap: 8px;
  position: relative;
  transition: background 0.3s var(--ease);
}
.app-kpi::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 2px;
  background: var(--copper); transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.app-kpi:hover { background: var(--ink-2); }
.app-kpi:hover::before { transform: scaleX(1); }
.app-kpi .ak-v {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.2vw, 46px); line-height: 0.95;
  letter-spacing: -0.02em; color: var(--copper-hi);
}
.app-kpi .ak-k {
  font-family: var(--font-mono);
  font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text-mute);
}
@media (max-width: 760px) { .app-kpis { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Section scaffold ---------- */
.app-section { padding: clamp(60px, 8vw, 120px) 0; }
.app-section.dark { background: var(--ink); }
.app-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--copper-hi);
  display: inline-flex; align-items: center; gap: 14px; margin-bottom: 20px;
}
.app-eyebrow::before { content: ''; width: 22px; height: 1px; background: var(--copper); }
.app-section h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 3.6vw, 52px); line-height: 1.04;
  letter-spacing: -0.02em; max-width: 22ch; text-wrap: balance;
}
.app-section h2 em { font-style: italic; color: var(--copper-hi); }
.app-section .as-lede {
  color: var(--text-mute); font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.55; max-width: 64ch; margin-top: 18px;
}

/* ---------- Figure frame (the interactive visual) ---------- */
.fig {
  margin-top: clamp(34px, 4vw, 56px);
  background:
    radial-gradient(140% 120% at 50% -20%, rgba(201,123,61,0.05), transparent 60%),
    var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 80px -40px rgba(0,0,0,0.8);
}
.fig-bar {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap;
  padding: 14px clamp(18px, 2vw, 28px);
  border-bottom: 1px solid var(--line);
  background: var(--ink-3);
}
.fig-bar .fb-title {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--text-mute);
}
.fig-bar .fb-scenario { color: var(--copper-hi); }
.fig-toggles { display: inline-flex; gap: 6px; flex-wrap: wrap; }
.fig-toggle {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 7px 13px; border-radius: 999px;
  border: 1px solid var(--line-2); color: var(--text-mute);
  cursor: pointer; transition: all 0.25s var(--ease);
  display: inline-flex; align-items: center; gap: 7px;
}
.fig-toggle .ft-dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; opacity: 0.5; }
.fig-toggle:hover { border-color: var(--copper); color: var(--text); }
.fig-toggle.on { border-color: var(--copper); color: var(--copper-hi); background: rgba(201,123,61,0.10); }
.fig-toggle.on .ft-dot { opacity: 1; }
.fig-body {
  padding: clamp(20px, 2.6vw, 38px);
  background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 22px 22px;
  background-position: center;
}
.fig svg { display: block; width: 100%; height: auto; }
.fig-foot {
  padding: 14px clamp(18px, 2vw, 28px);
  border-top: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em;
  color: var(--text-dim); line-height: 1.5;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.fig-foot .ff-read { color: var(--text-mute); max-width: 80ch; }

/* chart primitives */
.axis-line { stroke: rgba(255,255,255,0.16); stroke-width: 1; }
.grid-line { stroke: rgba(255,255,255,0.06); stroke-width: 1; }
.axis-label { font-family: var(--font-mono); font-size: 11px; fill: var(--text-dim); letter-spacing: 0.08em; }
.axis-tick { font-family: var(--font-mono); font-size: 10px; fill: var(--text-dim); }
.limit-line { stroke: #d96b4b; stroke-width: 1.2; stroke-dasharray: 5 4; }
.limit-label { font-family: var(--font-mono); font-size: 10px; fill: #e07a55; letter-spacing: 0.1em; }
.bar-anim { transition: height 0.6s var(--ease), y 0.6s var(--ease), width 0.6s var(--ease), opacity 0.4s var(--ease); }

/* ---------- two-col layout (visual + side facts) ---------- */
.app-split {
  display: grid; grid-template-columns: 1.55fr 1fr;
  gap: clamp(24px, 3vw, 44px);
  align-items: start;
  margin-top: clamp(34px, 4vw, 56px);
}
.app-split .fig { margin-top: 0; }
@media (max-width: 1000px) { .app-split { grid-template-columns: 1fr; } }

/* ---------- "Inside the engine" steps ---------- */
.engine-steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--line); border: 1px solid var(--line);
  margin-top: clamp(34px, 4vw, 56px);
}
.engine-step {
  background: var(--ink-2);
  padding: clamp(22px, 2.4vw, 34px);
  display: flex; flex-direction: column; gap: 12px;
  transition: background 0.3s var(--ease);
}
.engine-step:hover { background: var(--ink-3); }
.engine-step .es-num {
  font-family: var(--font-display); font-size: clamp(34px, 3.4vw, 52px);
  line-height: 0.8; color: var(--copper-hi); letter-spacing: -0.03em;
}
.engine-step h4 { font-family: var(--font-display); font-size: clamp(18px, 1.7vw, 23px); line-height: 1.15; color: var(--text); }
.engine-step p { font-size: 13.5px; line-height: 1.5; color: var(--text-mute); }
@media (max-width: 900px) { .engine-steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .engine-steps { grid-template-columns: 1fr; } }

/* ---------- "The read" callout ---------- */
.app-read {
  margin-top: clamp(34px, 4vw, 56px);
  display: grid; grid-template-columns: auto 1fr; gap: clamp(20px, 3vw, 40px);
  align-items: center;
  padding: clamp(28px, 3vw, 46px);
  border: 1px solid var(--copper);
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, rgba(201,123,61,0.10), rgba(11,17,24,0)), var(--ink-2);
}
.app-read .ar-tag {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--copper-hi);
  writing-mode: vertical-rl; transform: rotate(180deg);
  align-self: stretch; display: flex; align-items: center;
}
.app-read .ar-text {
  font-family: var(--font-display); font-size: clamp(22px, 2.4vw, 34px);
  line-height: 1.2; color: var(--text); text-wrap: pretty;
}
.app-read .ar-text strong { color: var(--copper-hi); font-weight: 400; font-style: italic; }
@media (max-width: 640px) {
  .app-read { grid-template-columns: 1fr; }
  .app-read .ar-tag { writing-mode: horizontal-tb; transform: none; }
}

/* ---------- module nav (prev / all / next) ---------- */
.app-nav {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border-top: 1px solid var(--line);
}
.app-nav a {
  background: var(--ink);
  padding: clamp(24px, 3vw, 40px) clamp(20px, 2.4vw, 32px);
  text-decoration: none; color: var(--text);
  display: flex; flex-direction: column; gap: 8px;
  transition: background 0.3s var(--ease);
}
.app-nav a:hover { background: var(--ink-2); }
.app-nav a.next { text-align: right; align-items: flex-end; }
.app-nav a.all { text-align: center; align-items: center; }
.app-nav .an-dir {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--text-dim);
}
.app-nav .an-name { font-family: var(--font-display); font-size: clamp(18px, 1.8vw, 24px); color: var(--text); }
.app-nav a:hover .an-name { color: var(--copper-hi); }
@media (max-width: 700px) { .app-nav { grid-template-columns: 1fr; } }

/* ---------- generic small chips row ---------- */
.app-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.app-chips .chip {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; padding: 7px 13px; border-radius: 999px;
  border: 1px solid var(--line-2); color: var(--text-mute);
}

/* reveal fallback */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }


/* ============================================================
   Network Reduction — Analytical reduction & EMT validation
   ============================================================ */
.nr-sub-lede { color: var(--text-dim); font-size: clamp(14px,1.2vw,16px); line-height: 1.6; max-width: 70ch; margin-top: 14px; }

/* colour tokens */
.nr-c-blue   { --nr-accent: #8ec5ff; }
.nr-c-orange { --nr-accent: #e9a566; }
.nr-c-copper { --nr-accent: #c97b3d; }
.nr-c-grey   { --nr-accent: rgba(232,229,223,0.5); }
.nr-c-green  { --nr-accent: #5dd2a6; }

/* 7-stage workflow strip */
.nr-flow {
  list-style: none; margin: clamp(34px,4vw,56px) 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px;
  counter-reset: nrflow;
}
.nr-stage {
  position: relative;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-top: 3px solid var(--nr-accent);
  border-radius: 4px;
  padding: 16px 14px 18px;
  display: flex; flex-direction: column; gap: 8px;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}
.nr-stage:hover { background: var(--ink-3); transform: translateY(-3px); }
.nr-stage:not(:last-child)::after {
  content: '→'; position: absolute; right: -11px; top: 50%; transform: translateY(-50%);
  font-size: 13px; color: var(--text-dim); z-index: 2;
}
.nr-stage-n { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; color: var(--nr-accent); }
.nr-stage h4 { font-family: var(--font-display); font-size: 16px; line-height: 1.12; color: var(--text); }
.nr-stage p { font-size: 11.5px; line-height: 1.45; color: var(--text-mute); }
@media (max-width: 1100px) {
  .nr-flow { grid-template-columns: repeat(2, 1fr); }
  .nr-stage:not(:last-child)::after { content: '↓'; right: auto; left: 50%; top: auto; bottom: -10px; transform: translateX(-50%); }
}
@media (max-width: 560px) { .nr-flow { grid-template-columns: 1fr; } }

/* preconditioning block */
.nr-block {
  margin-top: clamp(40px,5vw,68px);
  display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(24px,3vw,48px);
  align-items: center;
}
.nr-block-copy h3 { font-family: var(--font-display); font-size: clamp(24px,2.4vw,34px); line-height: 1.1; margin-bottom: 16px; }
.nr-block-copy h3 em { font-style: italic; color: var(--copper-hi); }
.nr-block-copy p { color: var(--text-mute); font-size: 15px; line-height: 1.6; margin-bottom: 14px; }
.nr-ladder { background: var(--ink-2); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 18px; }
.nr-ladder svg { width: 100%; height: auto; display: block; }
@media (max-width: 900px) { .nr-block { grid-template-columns: 1fr; } }

/* indicators */
.nr-h3 { font-family: var(--font-display); font-size: clamp(22px,2.2vw,30px); margin-top: clamp(46px,5vw,72px); }
.nr-ind-grid { margin-top: clamp(20px,2.4vw,32px); display: grid; grid-template-columns: 1fr 1fr; gap: clamp(18px,2vw,28px); }
.nr-ind { background: var(--ink-2); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; }
.nr-ind-head { padding: 18px 22px 0; display: flex; flex-direction: column; gap: 8px; }
.nr-ind-head h4 { font-family: var(--font-display); font-size: clamp(20px,1.9vw,26px); color: var(--text); }
.nr-tag { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; align-self: flex-start; padding: 5px 10px; border-radius: 999px; border: 1px solid; }
.nr-t-orange { color: var(--copper-hi); border-color: var(--copper); }
.nr-ind-viz { padding: 14px 22px; background: radial-gradient(120% 100% at 50% 0%, rgba(255,255,255,0.02), transparent); }
.nr-ind-viz svg { width: 100%; height: auto; display: block; border: 1px solid var(--line); border-radius: 4px; background: var(--ink); }
.nr-ind > p { padding: 0 22px 22px; font-size: 13.5px; line-height: 1.55; color: var(--text-mute); }
@media (max-width: 820px) { .nr-ind-grid { grid-template-columns: 1fr; } }

/* validation tests */
.nr-val-section { background: var(--ink-2); }
.nr-val-grid { margin-top: clamp(28px,3vw,44px); display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.nr-val { background: var(--ink); padding: clamp(22px,2.2vw,30px); display: flex; flex-direction: column; gap: 10px; }
.nr-val-i { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; color: var(--text-dim); }
.nr-val h4 { font-family: var(--font-display); font-size: clamp(18px,1.7vw,22px); line-height: 1.12; color: var(--text); }
.nr-val p { font-size: 13px; line-height: 1.5; color: var(--text-mute); }
@media (max-width: 900px) { .nr-val-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .nr-val-grid { grid-template-columns: 1fr; } }

/* validation report panel */
.nr-report { margin-top: clamp(28px,3vw,44px); border: 1px solid var(--line); border-left: 3px solid var(--signal); border-radius: var(--radius-lg); background: var(--ink); overflow: hidden; }
.nr-report-head { display: flex; align-items: center; gap: 12px; padding: 16px 24px; border-bottom: 1px solid var(--line); background: var(--ink-3); }
.nr-report-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 10px rgba(93,210,166,0.7); }
.nr-report-k { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--signal); }
.nr-report-body { display: grid; grid-template-columns: 1.6fr 1fr; gap: clamp(20px,2.4vw,40px); padding: clamp(22px,2.6vw,34px); align-items: center; }
.nr-report-body > p { color: var(--text-mute); font-size: 14.5px; line-height: 1.6; }
.nr-report-metrics { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.nr-report-metrics li { background: var(--ink-2); padding: 12px 14px; display: flex; flex-direction: column; gap: 3px; }
.nr-rm-v { font-family: var(--font-display); font-size: clamp(20px,1.9vw,26px); color: var(--copper-hi); line-height: 1; }
.nr-report-metrics li:last-child .nr-rm-v { color: var(--signal); }
.nr-rm-k { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-mute); }
@media (max-width: 820px) { .nr-report-body { grid-template-columns: 1fr; } }

/* ---- GridCAM interactive embeds ---- */
.gc-embed{position:relative;width:100%;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:#FBFAF6;box-shadow:0 18px 50px -28px rgba(0,0,0,.6);}
.gc-embed iframe{position:absolute;top:0;left:0;border:0;transform-origin:top left;}
.gc-embed-cap{margin-top:12px;font-family:var(--font-mono,monospace);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim,#8a8275);}

/* PVA voltage heatmap */
.pva-heat{background:var(--ink-2,#111a25);border:1px solid var(--line,#1e2a38);border-radius:14px;overflow:hidden;margin-top:clamp(24px,3vw,36px)}
.ph-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line,#1e2a38);background:rgba(255,255,255,.015)}
.ph-title{font-family:var(--font-mono,monospace);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-mute,#8a8d93)}
.ph-sub{font-family:var(--font-mono,monospace);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim,#6b7480)}
.ph-body{display:grid;grid-template-columns:280px 1fr;gap:0}
.ph-map{padding:20px;border-right:1px solid var(--line,#1e2a38)}
.ph-tw{overflow-x:auto;padding:10px 16px}
.ph-table{width:100%;border-collapse:collapse;font-family:var(--font-mono,monospace);font-size:12px;color:var(--text,#f3efe7)}
.ph-table thead th{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim,#6b7480);text-align:left;padding:8px 6px;border-bottom:1px solid var(--line,#1e2a38)}
.ph-table tbody tr{border-bottom:1px solid rgba(255,255,255,.04)}
.ph-table td{padding:7px 6px;white-space:nowrap}
.ph-table td.r{text-align:right}
.ph-table td.nm{font-weight:600;font-size:13px}
.tp{display:inline-block;padding:2px 8px;border-radius:4px;font-size:9.5px;font-weight:600;letter-spacing:.08em}
.tp.hv{background:#d04848;color:#fff}
.tp.lv{background:#c97b3d;color:#fff}
.tp.mx{background:#6a6a5a;color:#ddd}
.hbar{width:120px;height:10px;background:rgba(255,255,255,.06);border-radius:5px;overflow:hidden}
.hfill{height:100%;border-radius:5px}
@media(max-width:900px){.ph-body{grid-template-columns:1fr}.ph-map{border-right:none;border-bottom:1px solid var(--line,#1e2a38)}}