/* Layout concept: a harbour-at-night chart room. A live 3D network sits behind
   left-aligned prose; outcomes are logged like a cargo manifest. */
@font-face {
  font-family: "Archivo";
  src: url("../fonts/archivo-var.woff") format("woff");
  font-weight: 100 900; font-stretch: 62% 125%; font-display: swap;
}
@font-face {
  font-family: "Newsreader";
  src: url("../fonts/newsreader-var.woff") format("woff");
  font-weight: 200 800; font-display: swap;
}

:root {
  --ink: #0C1A1E;        /* page ground: deep harbour teal-black */
  --hull: #11242A;       /* raised surfaces */
  --line: #24393E;       /* rules and outlines */
  --fog: #DCE4E0;        /* primary text */
  --mist: #94A8A3;       /* secondary text */
  --brass: #D2A964;      /* accent: sourcing, figures */
  --signal: #74C2B1;     /* distribution, systems */
  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --text: "Newsreader", "Iowan Old Style", Georgia, serif;
  --s-1: 0.875rem; --s0: 1.0625rem; --s1: 1.25rem; --s2: 1.5625rem;
  --s3: 2rem; --s4: clamp(2.2rem, 4vw, 3rem); --s5: clamp(2.6rem, 6.2vw, 4.75rem);
  --gutter: max(16px, env(safe-area-inset-left, 0px));
  --gutter-r: max(16px, env(safe-area-inset-right, 0px));
  --wrap: 1240px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; background: var(--ink); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--ink); color: var(--fog);
  font-family: var(--text); font-size: var(--s0); line-height: 1.6;
  font-optical-sizing: auto; -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--brass); color: var(--ink); }

/* ---------- 3D layer ---------- */
#globe {
  position: fixed; inset: 0; width: 100vw; height: 100vh; height: 100lvh;
  display: block; z-index: 0; pointer-events: none;
}
.is-dragging, .is-dragging * { cursor: grabbing !important; user-select: none; }
#globe-tip {
  position: fixed; left: 0; top: 0; z-index: 5; pointer-events: none;
  font: 500 var(--s-1)/1.2 var(--display); letter-spacing: 0.01em;
  background: var(--hull); color: var(--fog); border: 1px solid var(--line);
  padding: 6px 10px; border-radius: 3px; white-space: nowrap;
}
#globe-tip[data-kind="sourcing"] { border-color: color-mix(in srgb, var(--brass) 55%, var(--line)); }
#globe-tip[data-kind="distribution"] { border-color: color-mix(in srgb, var(--signal) 55%, var(--line)); }
.no-webgl body { background: radial-gradient(60vw 60vw at 78% 30%, var(--hull), var(--ink) 70%) fixed; }

main, header.top, footer { position: relative; z-index: 1; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter-r); }

/* ---------- header ---------- */
header.top {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10;
  background: color-mix(in srgb, var(--ink) 82%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 60%, transparent);
}
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 14px; }
.mark { font: 650 var(--s0)/1 var(--display); font-stretch: 118%; text-decoration: none; letter-spacing: 0.01em; }
.mark span { color: var(--mist); font-weight: 400; }
nav.sections { display: flex; gap: 22px; font: 500 var(--s-1)/1 var(--display); }
nav.sections a { text-decoration: none; color: var(--mist); }
nav.sections a:hover { color: var(--fog); }
.menu-btn { display: none; }
@media (max-width: 1000px) {
  .menu-btn {
    display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 12px;
    background: transparent; border: 1px solid var(--line); border-radius: 2px; color: var(--fog);
    font: 600 var(--s-1)/1 var(--display); cursor: pointer;
  }
  .menu-bars, .menu-bars::before, .menu-bars::after { display: block; width: 16px; height: 1.5px; background: currentColor; position: relative; transition: transform .2s; }
  .menu-bars::before, .menu-bars::after { content: ""; position: absolute; left: 0; }
  .menu-bars::before { top: -5px; } .menu-bars::after { top: 5px; }
  .menu-btn[aria-expanded="true"] .menu-bars { background: transparent; }
  .menu-btn[aria-expanded="true"] .menu-bars::before { transform: translateY(5px) rotate(45deg); }
  .menu-btn[aria-expanded="true"] .menu-bars::after { transform: translateY(-5px) rotate(-45deg); }
  nav.sections {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; gap: 0; background: var(--ink); border-bottom: 1px solid var(--line);
    padding-left: var(--gutter); padding-right: var(--gutter-r); padding-block: 8px 16px;
  }
  nav.sections.open { display: flex; }
  nav.sections a { padding: 14px 0; font-size: var(--s0); color: var(--fog); border-bottom: 1px solid color-mix(in srgb, var(--line) 60%, transparent); }
  nav.sections a:last-child { border-bottom: 0; }
}
@media (prefers-reduced-motion: reduce) { .menu-bars, .menu-bars::before, .menu-bars::after { transition: none; } }

/* ---------- buttons ---------- */
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
@media (min-width: 761px) { .hero .actions { flex-wrap: nowrap; } .hero .actions .btn { padding-inline: 18px; } }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font: 600 var(--s0)/1 var(--display); font-stretch: 108%;
  padding: 15px 22px; border-radius: 2px; text-decoration: none;
  border: 1px solid var(--line); color: var(--fog); background: transparent;
  transition: border-color .2s, background .2s, color .2s;
}
.btn:hover { border-color: var(--mist); }
.btn.primary { background: var(--brass); border-color: var(--brass); color: var(--ink); }
.btn.primary:hover { background: color-mix(in srgb, var(--brass) 86%, white); }
.btn svg { width: 18px; height: 18px; flex: none; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: min(92vh, 860px); display: flex; align-items: center; }
.hero .wrap { width: 100%; padding-block: 72px 96px; position: relative; }
.hero-copy { max-width: 660px; display: grid; gap: 28px; }
h1 .who { display: block; font: 500 var(--s0)/1.35 var(--display); font-stretch: 100%; letter-spacing: 0; color: var(--mist); margin-bottom: 28px; }
h1 .who strong { color: var(--fog); font-weight: 650; }
h1 .thesis { display: block; }
h1 {
  font-family: var(--display); font-weight: 720; font-stretch: 122%;
  font-size: clamp(2.3rem, 4.9vw, 4.4rem); line-height: 1; letter-spacing: -0.02em;
  margin: 0; text-wrap: balance;
}
.lede { font-size: var(--s1); line-height: 1.55; color: var(--fog); margin: 0; max-width: 34em; }
.lede b { font-weight: 600; color: var(--brass); }
.hero-foot {
  position: absolute; right: var(--gutter-r); bottom: 28px; max-width: 290px;
  font: 400 var(--s-1)/1.45 var(--display); color: var(--mist); text-align: right;
}
.legend { display: flex; gap: 14px; flex-wrap: wrap; justify-content: flex-end; margin-bottom: 6px; color: var(--fog); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }
.dot.s { background: var(--brass); } .dot.d { background: var(--signal); }
@media (max-width: 760px) {
  .hero { min-height: 0; align-items: flex-end; }
  .hero .wrap { padding-top: 46vh; padding-bottom: 56px; }
  .hero-foot { position: static; text-align: left; margin-top: 8px; max-width: none; }
  .legend { justify-content: flex-start; }
}

/* ---------- sections ---------- */
section.band { padding-block: clamp(80px, 11vw, 150px); }
.kicker { font: 600 var(--s-1)/1.2 var(--display); color: var(--brass); margin: 0 0 18px; letter-spacing: 0.02em; }
h2 {
  font-family: var(--display); font-weight: 700; font-stretch: 118%;
  font-size: var(--s4); line-height: 1.04; letter-spacing: -0.015em;
  margin: 0 0 22px; text-wrap: balance; max-width: 18ch;
}
h3 { font-family: var(--display); font-weight: 650; font-stretch: 110%; font-size: var(--s2); line-height: 1.15; margin: 0; text-wrap: balance; }
.intro { font-size: var(--s1); color: var(--mist); max-width: 36em; margin: 0; }
.intro strong { color: var(--fog); font-weight: 600; }

/* ---------- the record: a manifest ---------- */
.manifest { margin-top: 56px; border-top: 1px solid var(--line); }
.manifest-row {
  display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 6fr) minmax(0, 2.2fr);
  gap: 12px 40px; align-items: baseline;
  padding-block: 26px; border-bottom: 1px solid var(--line);
}
.fig {
  font-family: var(--display); font-weight: 700; font-stretch: 125%;
  font-size: clamp(1.9rem, 3.3vw, 2.75rem); line-height: 1; letter-spacing: -0.02em; overflow-wrap: anywhere;
  color: var(--brass); font-variant-numeric: lining-nums tabular-nums; white-space: nowrap;
}
.fig .to { color: var(--mist); font-weight: 400; margin: 0 0.12em; }
.manifest-row p { margin: 0; font-size: var(--s1); line-height: 1.45; min-width: 0; }
.where { font: 400 var(--s-1)/1.4 var(--display); color: var(--mist); min-width: 0; }
@media (max-width: 860px) {
  .manifest-row { grid-template-columns: 1fr; gap: 10px; }
  .fig { white-space: normal; }
}
.scope {
  margin-top: 40px; display: flex; flex-wrap: wrap; gap: 10px 36px;
  font: 500 var(--s-1)/1.4 var(--display); color: var(--mist);
}
.scope b { color: var(--fog); font-weight: 650; }

/* ---------- network ---------- */
.network { min-height: 100vh; display: flex; align-items: center; }
.network .wrap { width: 100%; }
.network-copy { max-width: 470px; display: grid; gap: 26px; }
.places { display: grid; gap: 22px; }
.places h4 { font: 600 var(--s-1)/1 var(--display); margin: 0 0 8px; color: var(--fog); display: flex; align-items: center; }
.places p { margin: 0; color: var(--mist); font-size: var(--s0); line-height: 1.55; }
.hint { font: 400 var(--s-1)/1.4 var(--display); color: var(--mist); }
@media (max-width: 760px) {
  .network { min-height: 0; }
  .network .wrap { padding-top: 64vh; }
  .hint { display: none; }
}

/* ---------- case studies ---------- */
.cases-head { margin-bottom: 40px; }
.case {
  display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 32px 64px;
  padding-block: 72px; border-top: 1px solid var(--line);
}
.case-rail { position: sticky; top: 96px; align-self: start; display: grid; gap: 18px; }
.pillar { font: 600 var(--s-1)/1 var(--display); color: var(--signal); margin: 0; }
.case-rail h3 { font-size: var(--s3); font-stretch: 116%; line-height: 1.06; letter-spacing: -0.01em; }
.case-rail .where { max-width: 30ch; }
.case-body { display: grid; gap: 30px; min-width: 0; }
.beat h4 { font: 650 var(--s0)/1.2 var(--display); margin: 0 0 8px; color: var(--fog); }
.beat p { margin: 0; max-width: 38em; color: color-mix(in srgb, var(--fog) 86%, var(--mist)); }
.beat ul { margin: 0; padding-left: 1.1em; max-width: 38em; display: grid; gap: 8px; color: color-mix(in srgb, var(--fog) 86%, var(--mist)); }
.beat li::marker { color: var(--brass); }
.results {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  border: 1px solid var(--line); background: color-mix(in srgb, var(--hull) 78%, transparent);
}
.result { padding: 20px 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 0 -1px -1px 0; display: grid; gap: 8px; align-content: start; }
.result .fig { font-size: clamp(1.4rem, 2.4vw, 2rem); white-space: normal; }
.result span { font: 400 var(--s-1)/1.4 var(--display); color: var(--mist); }
.next { font-style: italic; color: var(--mist); margin: 0; padding-left: 18px; border-left: 2px solid var(--brass); max-width: 38em; }
.diagram { margin: 0; border: 1px solid var(--line); background: color-mix(in srgb, var(--hull) 70%, transparent); padding: 22px; overflow-x: auto; }
.diagram svg { display: block; width: 100%; height: auto; min-width: 520px; }
.diagram figcaption { font: 400 var(--s-1)/1.4 var(--display); color: var(--mist); margin-top: 12px; }
.diagram text { font-family: var(--display); }
@media (max-width: 900px) {
  .case { grid-template-columns: 1fr; padding-block: 56px; }
  .case-rail { position: static; }
}

/* ---------- systems ---------- */
.stack-diagram { margin-top: 48px; }
.stack-diagram svg { min-width: 760px; }

/* ---------- career ---------- */
.timeline { margin-top: 48px; display: grid; gap: 0; border-left: 1px solid var(--line); }
.role { position: relative; padding: 0 0 56px 36px; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 16px 56px; }
.role::before { content: ""; position: absolute; left: -6px; top: 6px; width: 11px; height: 11px; border-radius: 50%; background: var(--ink); border: 2px solid var(--brass); }
.role .years { font: 500 var(--s-1)/1 var(--display); color: var(--brass); font-variant-numeric: tabular-nums; margin: 0 0 10px; }
.role h3 { font-size: var(--s2); }
.role .title { margin: 6px 0 0; color: var(--mist); font: 400 var(--s0)/1.4 var(--display); }
.role ul { margin: 0; padding-left: 1.1em; display: grid; gap: 8px; color: color-mix(in srgb, var(--fog) 86%, var(--mist)); }
.role li::marker { color: var(--brass); }
.role.earlier::before { border-color: var(--mist); }
.role.earlier p { margin: 0; color: color-mix(in srgb, var(--fog) 86%, var(--mist)); }
@media (max-width: 860px) { .role { grid-template-columns: 1fr; padding-left: 24px; } }
.credentials { margin-top: 24px; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0; border: 1px solid var(--line); }
.credentials div { padding: 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 0 -1px -1px 0; }
.credentials b { display: block; font: 650 var(--s0)/1.3 var(--display); margin-bottom: 4px; }
.credentials span { color: var(--mist); font: 400 var(--s-1)/1.4 var(--display); }

/* ---------- principles ---------- */
.principles { margin-top: 48px; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px 64px; }
.principle h3 { font-size: var(--s1); margin-bottom: 8px; }
.principle p { margin: 0; color: var(--mist); max-width: 34em; }

/* ---------- contact ---------- */
.contact { text-align: center; min-height: 92vh; display: flex; align-items: center; }
.contact .wrap { width: 100%; display: grid; justify-items: center; gap: 26px; }
.contact h2 { max-width: 16ch; margin: 0; font-size: var(--s5); line-height: 1; }
.contact .intro { text-align: center; }
.contact .actions { justify-content: center; }
.locale { font: 500 var(--s-1)/1.4 var(--display); color: var(--mist); }

footer { border-top: 1px solid var(--line); }
footer .wrap { padding-block: 26px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font: 400 var(--s-1)/1.4 var(--display); color: var(--mist); }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- diagram marks (all colours from tokens) ---------- */
.diagram .d-boxes rect { fill: var(--ink); stroke: var(--line); stroke-width: 1; }
.diagram rect.d-core, .diagram .d-boxes rect.d-core { fill: color-mix(in srgb, var(--brass) 12%, var(--ink)); stroke: var(--brass); }
.diagram text { fill: color-mix(in srgb, var(--fog) 88%, var(--mist)); font-size: 14px; }
.diagram .d-head { fill: var(--fog); font-weight: 650; font-size: 15px; }
.diagram .d-small { fill: var(--mist); font-size: 13px; }
.diagram .d-core-t { fill: var(--fog); font-weight: 650; font-size: 17px; }
.diagram .d-fig { fill: var(--brass); font-weight: 700; font-size: 30px; font-stretch: 120%; }
.diagram .d-fig-s { fill: var(--brass); font-weight: 700; font-size: 24px; font-stretch: 116%; }
.diagram .d-val { fill: var(--fog); font-weight: 600; font-size: 14px; }
.diagram .d-flow path { fill: none; stroke: var(--signal); stroke-width: 1.4; opacity: 0.75; }
.diagram .d-arrow { fill: none; stroke: var(--brass); stroke-width: 2; }
.diagram .d-bar-s { fill: var(--brass); }
.diagram .d-bar-d { fill: var(--signal); }
.diagram .d-axis line { stroke: var(--line); }
.diagram .d-axis text { fill: var(--mist); font-size: 12px; }
.diagram .d-step text { fill: var(--signal); font-weight: 600; font-size: 14px; }
.diagram .d-items text { font-size: 14px; }


/* ---------- plain-language layer ---------- */
.term {
  font: inherit; color: inherit; background: none; border: 0; padding: 0; margin: 0; cursor: help;
  text-decoration: underline dotted color-mix(in srgb, var(--brass) 75%, transparent);
  text-decoration-thickness: 1.5px; text-underline-offset: 3px;
}
.term:hover, .term[aria-expanded="true"] { color: var(--brass); }
.term-sample { text-decoration: underline dotted var(--brass); text-decoration-thickness: 1.5px; text-underline-offset: 3px; color: var(--fog); }
#term-pop {
  position: fixed; z-index: 30; width: min(340px, calc(100vw - 32px));
  background: var(--hull); color: var(--fog); border: 1px solid var(--brass);
  border-radius: 3px; padding: 16px 18px; box-shadow: 0 18px 40px rgba(0,0,0,.45);
}
#term-pop.sheet {
  left: 0; right: 0; bottom: 0; top: auto; width: auto; border-radius: 0; border-width: 1px 0 0;
  padding-left: max(18px, env(safe-area-inset-left, 0px)); padding-right: max(18px, env(safe-area-inset-right, 0px));
  padding-bottom: calc(18px + env(safe-area-inset-bottom, 0px));
}
.tp-title { margin: 0 0 6px; font: 650 var(--s0)/1.3 var(--display); color: var(--brass); }
.tp-body { margin: 0 0 10px; line-height: 1.5; }
.tp-more { font: 500 var(--s-1)/1 var(--display); color: var(--mist); }

.plain-line { display: block; margin-top: 8px; font-size: var(--s0); color: var(--mist); }
.plain {
  margin: 0; padding: 16px 20px; display: grid; gap: 6px;
  background: color-mix(in srgb, var(--signal) 9%, var(--ink)); border-left: 3px solid var(--signal);
  font-size: var(--s1); line-height: 1.5; max-width: 38em;
}
.plain span { font: 650 var(--s-1)/1 var(--display); color: var(--signal); }

/* how it works */
.flow { list-style: none; margin: 48px 0 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; border: 1px solid var(--line); counter-reset: none; }
.step { padding: 24px 22px 26px; border-right: 1px solid var(--line); display: grid; gap: 10px; align-content: start; background: color-mix(in srgb, var(--hull) 70%, transparent); position: relative; }
.step:last-child { border-right: 0; }
.step:not(:last-child)::after {
  content: ""; position: absolute; right: -7px; top: 38px; width: 12px; height: 12px; z-index: 1;
  background: var(--ink); border-top: 1px solid var(--brass); border-right: 1px solid var(--brass); transform: rotate(45deg);
}
.step-icon { width: 34px; height: 34px; fill: none; stroke: var(--brass); stroke-width: 1.5; stroke-linejoin: round; stroke-linecap: round; }
.step h3 { font-size: var(--s1); }
.step p { margin: 0; color: color-mix(in srgb, var(--fog) 86%, var(--mist)); font-size: var(--s0); line-height: 1.5; }
.step .mine { color: var(--signal); font: 500 var(--s-1)/1.45 var(--display); padding-top: 10px; border-top: 1px solid var(--line); }
.plan-bar { margin-top: -1px; border: 1px solid var(--line); border-top: 2px solid var(--signal); padding: 20px 22px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 3fr); gap: 8px 32px; align-items: baseline; background: color-mix(in srgb, var(--hull) 70%, transparent); }
.plan-bar h3 { font-size: var(--s1); }
.plan-bar p { margin: 0; color: color-mix(in srgb, var(--fog) 86%, var(--mist)); }
@media (max-width: 980px) {
  .flow { grid-template-columns: 1fr; }
  .step { border-right: 0; border-bottom: 1px solid var(--line); grid-template-columns: 40px minmax(0, 1fr); column-gap: 16px; }
  .step > :not(.step-icon) { grid-column: 2; }
  .step-icon { grid-row: 1 / span 3; }
  .step:not(:last-child)::after { right: auto; left: 33px; top: auto; bottom: -7px; transform: rotate(135deg); }
  .plan-bar { grid-template-columns: 1fr; }
}

/* growth at a glance */
.glance { margin-top: 48px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border: 1px solid var(--line); }
.chart { margin: 0; padding: 22px; border-right: 1px solid var(--line); display: grid; gap: 12px; background: color-mix(in srgb, var(--hull) 70%, transparent); }
.chart:last-child { border-right: 0; }
.chart figcaption { font: 600 var(--s-1)/1.3 var(--display); color: var(--fog); }
.bar-row { display: grid; grid-template-columns: 38px minmax(0, 1fr) 54px; gap: 10px; align-items: center; font: 500 var(--s-1)/1 var(--display); font-variant-numeric: tabular-nums; }
.bar-row .yr { color: var(--mist); }
.bar-row .val { color: var(--fog); text-align: right; font-weight: 650; }
.track { height: 14px; background: color-mix(in srgb, var(--line) 70%, transparent); position: relative; }
.bar { position: absolute; inset: 0 auto 0 0; width: var(--w); background: var(--brass); }
.bar.alt { background: var(--signal); }
@media (max-width: 860px) {
  .glance { grid-template-columns: 1fr; }
  .chart { border-right: 0; border-bottom: 1px solid var(--line); }
  .chart:last-child { border-bottom: 0; }
}

.diagram .d-venn circle { fill-opacity: 0.12; stroke-width: 1.5; }
.diagram .d-venn .v1 { fill: var(--brass); stroke: var(--brass); }
.diagram .d-venn .v2 { fill: var(--signal); stroke: var(--signal); }
.diagram .d-venn .v3 { fill: var(--fog); stroke: var(--mist); }

/* downloads */
.dl-grid { margin-top: 40px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.dl {
  display: grid; gap: 10px; align-content: start; padding: 24px; text-decoration: none;
  border: 1px solid var(--line); background: color-mix(in srgb, var(--hull) 82%, transparent);
  transition: border-color .2s, background .2s;
}
.dl:hover { border-color: var(--brass); background: var(--hull); }
.dl-kind { font: 500 var(--s-1)/1 var(--display); color: var(--mist); }
.dl-title { font: 650 var(--s2)/1.15 var(--display); font-stretch: 110%; }
.dl-note { color: color-mix(in srgb, var(--fog) 86%, var(--mist)); }
.dl-cta { margin-top: 6px; font: 600 var(--s0)/1 var(--display); color: var(--brass); display: inline-flex; align-items: center; gap: 8px; }
.dl-cta::before { content: ""; width: 14px; height: 14px; flex: none; background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round' d='M12 3v13m0 0-5-5m5 5 5-5M4 20h16'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round' d='M12 3v13m0 0-5-5m5 5 5-5M4 20h16'/%3E%3C/svg%3E") center / contain no-repeat; }
@media (max-width: 860px) { .dl-grid { grid-template-columns: 1fr; } }

/* glossary */
.gl-list { margin: 40px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 56px; }
.gl-item { padding-block: 18px; border-top: 1px solid var(--line); scroll-margin-top: 90px; }
.gl-item dt { font: 650 var(--s0)/1.3 var(--display); margin-bottom: 4px; }
.gl-item dd { margin: 0; color: color-mix(in srgb, var(--fog) 86%, var(--mist)); }
@media (max-width: 760px) { .gl-list { grid-template-columns: 1fr; } }

/* tap targets on touch screens */
@media (pointer: coarse) { .btn { min-height: 48px; } .term { padding-block: 2px; } }

/* ---------- nine disciplines ---------- */
.chain { margin-top: 48px; display: grid; gap: 0; border: 1px solid var(--line); background: color-mix(in srgb, var(--hull) 70%, transparent); }
.disc {
  font: inherit; color: var(--fog); text-align: left; cursor: pointer;
  background: transparent; border: 0; padding: 18px 20px; display: grid; gap: 6px; align-content: start;
  position: relative; transition: background .2s;
}
.disc svg { width: 28px; height: 28px; fill: none; stroke: var(--brass); stroke-width: 1.5; stroke-linejoin: round; stroke-linecap: round; }
.disc-name { font: 650 var(--s0)/1.2 var(--display); font-stretch: 108%; }
.disc-plain { font-size: var(--s-1); line-height: 1.45; color: var(--mist); }
.disc:hover { background: color-mix(in srgb, var(--brass) 6%, transparent); }
.disc[aria-selected="true"] { background: color-mix(in srgb, var(--brass) 14%, var(--ink)); box-shadow: inset 0 -3px 0 var(--brass); }
.disc[aria-selected="true"] .disc-name { color: var(--brass); }
.disc.band-row { grid-template-columns: 28px auto minmax(0, 1fr); align-items: center; column-gap: 14px; padding-block: 14px; }
.disc.band-row svg { stroke: var(--signal); }
.disc.band-row .disc-plain { font-size: var(--s0); }
.chain > .disc.band-row:first-child { border-bottom: 1px solid var(--line); }
.chain > .disc.band-row:last-child { border-top: 1px solid var(--line); }
.flow-row { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); }
.disc.flow-step { border-right: 1px solid var(--line); }
.disc.flow-step:last-child { border-right: 0; }
.disc.flow-step:not(:last-child)::after {
  content: ""; position: absolute; right: -6px; top: 30px; width: 10px; height: 10px; z-index: 1;
  background: var(--ink); border-top: 1px solid var(--brass); border-right: 1px solid var(--brass); transform: rotate(45deg);
}
@media (max-width: 1100px) { .flow-row { grid-template-columns: repeat(4, minmax(0, 1fr)); } .disc.flow-step { border-bottom: 1px solid var(--line); } .disc.flow-step::after { display: none; } }
@media (max-width: 640px) {
  .flow-row { grid-template-columns: 1fr; }
  .disc.flow-step, .disc.band-row { grid-template-columns: 28px minmax(0, 1fr); column-gap: 14px; border-right: 0; }
  .disc.flow-step > span, .disc.band-row > span { grid-column: 2; }
  .disc.flow-step svg, .disc.band-row svg { grid-row: 1 / span 2; }
  .disc.band-row .disc-plain { font-size: var(--s-1); }
}
.disc-panel { margin-top: 24px; border: 1px solid var(--line); border-top: 2px solid var(--brass); padding: 28px; background: color-mix(in srgb, var(--hull) 82%, transparent); display: grid; gap: 22px; }
.dp-head { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 16px; align-items: start; }
.dp-head svg { width: 40px; height: 40px; fill: none; stroke: var(--brass); stroke-width: 1.4; stroke-linejoin: round; stroke-linecap: round; }
.dp-head h3 { font-size: var(--s3); font-stretch: 114%; }
.dp-plain { margin: 6px 0 0; color: var(--mist); font-size: var(--s1); }
.dp-body { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 1fr); gap: 32px; }
.dp-proof { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.dp-proof li { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 14px; align-items: baseline; }
.co { font: 600 12px/1 var(--display); padding: 6px 8px; border-radius: 2px; text-align: center; border: 1px solid var(--line); color: var(--fog); white-space: nowrap; }
.co-ne { border-color: var(--brass); color: var(--brass); }
.co-mz { border-color: var(--signal); color: var(--signal); }
.co-yk { border-color: var(--fog); }
.co-ea { color: var(--mist); }
.dp-side { display: grid; gap: 18px; align-content: start; }
.dp-metric { margin: 0; display: grid; gap: 6px; }
.dp-metric .fig { font-size: clamp(1.8rem, 3vw, 2.4rem); white-space: normal; }
.dp-metric span:last-child { font: 400 var(--s-1)/1.4 var(--display); color: var(--mist); }
@media (max-width: 860px) { .dp-body { grid-template-columns: 1fr; } .disc-panel { padding: 22px 18px; } }
@media (max-width: 480px) { .dp-proof li { grid-template-columns: 1fr; gap: 6px; } .co { justify-self: start; } }

.matrix-wrap { margin-top: 48px; }
.matrix-title { font-size: var(--s1); margin-bottom: 14px; }
.matrix-scroll { overflow-x: auto; }
.matrix { width: 100%; min-width: 520px; border-collapse: collapse; font: 500 var(--s-1)/1.3 var(--display); }
.matrix th, .matrix td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: center; }
.matrix thead th { color: var(--mist); font-weight: 500; }
.matrix th[scope="row"], .matrix thead th:first-child { text-align: left; }
.mx-link { font: 600 var(--s-1)/1.3 var(--display); color: var(--fog); background: none; border: 0; padding: 0; cursor: pointer; text-align: left; }
.mx-link:hover { color: var(--brass); }
.dot-yes, .dot-no { display: inline-block; width: 12px; height: 12px; border-radius: 50%; }
.dot-yes { background: var(--brass); }
.dot-no { border: 1px solid var(--line); }
.matrix-note { font: 400 var(--s-1)/1.4 var(--display); color: var(--mist); margin: 12px 0 0; }

/* ---------- 3D explorer ---------- */
.explorer { margin-top: 40px; border: 1px solid var(--line); background: color-mix(in srgb, var(--ink) 92%, var(--hull)); }
.ex-tabs { display: flex; border-bottom: 1px solid var(--line); overflow-x: auto; }
.ex-tabs button {
  font: 600 var(--s0)/1 var(--display); color: var(--mist); background: none; border: 0; cursor: pointer;
  padding: 18px 22px; white-space: nowrap; border-right: 1px solid var(--line); min-height: 48px;
}
.ex-tabs button[aria-selected="true"] { color: var(--fog); box-shadow: inset 0 -3px 0 var(--brass); background: color-mix(in srgb, var(--brass) 8%, transparent); }
.ex-body { display: grid; grid-template-columns: minmax(0, 1.75fr) minmax(280px, 1fr); }
.stage { position: relative; height: clamp(440px, 66vh, 680px); overflow: hidden; cursor: grab; touch-action: pan-y; border-right: 1px solid var(--line);
  background: radial-gradient(70% 70% at 50% 45%, color-mix(in srgb, var(--hull) 90%, transparent), transparent 75%); }
.stage.dragging { cursor: grabbing; }
.stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.stage-labels { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.stage-hint { position: absolute; left: 16px; bottom: 12px; margin: 0; font: 400 var(--s-1)/1.3 var(--display); color: var(--mist); pointer-events: none; }
.stage-fallback { position: absolute; inset: 0; display: grid; place-items: center; padding: 24px; text-align: center; color: var(--mist); }
.xl { position: absolute; left: 0; top: 0; white-space: nowrap; pointer-events: none; font: 500 12px/1.2 var(--display); color: var(--fog); }
.xl-node { margin: -30px 0 0 12px; padding: 5px 9px; background: var(--hull); border: 1px solid var(--brass); border-radius: 2px; font-size: 13px; font-weight: 650; }
.xl-tag { margin: -12px 0 0 -90px; padding: 5px 9px; background: color-mix(in srgb, var(--ink) 85%, transparent); border: 1px solid var(--line); font-size: 13px; }
.xl-accent { color: var(--brass); border-color: var(--brass); }
.xl-small { margin: -10px 0 0 10px; padding: 3px 7px; background: color-mix(in srgb, var(--ink) 80%, transparent); border-left: 2px solid var(--signal); }
.xl-small.xl-accent { border-left-color: var(--brass); color: var(--brass); }
.xl-layer { translate: -100% -50%; padding-right: 10px; font-weight: 650; color: var(--mist); text-align: right; }
.xl-sys { margin: -26px 0 0 -40px; padding: 2px 6px; font-size: 11px; color: var(--fog); background: color-mix(in srgb, var(--ink) 75%, transparent); }
.xl-sys.on { color: var(--ink); background: var(--brass); font-weight: 650; }
.ex-panel { padding: 22px; display: grid; gap: 22px; align-content: start; min-width: 0; }
.ex-controls { display: grid; gap: 18px; }
.ex-controls fieldset { border: 0; margin: 0; padding: 0; display: grid; gap: 8px; min-width: 0; }
.ex-controls legend { font: 600 var(--s-1)/1 var(--display); color: var(--mist); margin-bottom: 8px; padding: 0; }
.tog { display: flex; align-items: center; gap: 10px; font: 500 var(--s-1)/1.3 var(--display); cursor: pointer; min-height: 32px; }
.tog input { width: 18px; height: 18px; accent-color: var(--brass); margin: 0; flex: none; }
.sw { width: 12px; height: 12px; flex: none; display: inline-block; }
.s-src { background: var(--brass); border-radius: 50%; }
.s-dc { background: var(--signal); border-radius: 50%; }
.s-fac { background: #F2EEE3; }
.s-off { border: 2px solid var(--fog); border-radius: 50%; }
.s-lane { height: 2px; background: linear-gradient(90deg, var(--brass), var(--signal)); }
.s-see { background: #F2EEE3; border-radius: 2px; }
.seg, .fly, .modes { display: flex; flex-wrap: wrap; gap: 6px; }
.seg label, .modes label { cursor: pointer; }
.seg input, .modes input { position: absolute; opacity: 0; pointer-events: none; }
.seg span, .modes span, .fly button, .ex-ba button {
  display: inline-flex; align-items: center; min-height: 36px; padding: 0 12px; border: 1px solid var(--line); border-radius: 2px;
  font: 500 var(--s-1)/1 var(--display); color: var(--fog); background: transparent; cursor: pointer;
}
.seg input:checked + span, .modes input:checked + span, .ex-ba button[aria-pressed="true"] { border-color: var(--brass); color: var(--ink); background: var(--brass); }
.seg input:focus-visible + span, .modes input:focus-visible + span { outline: 2px solid var(--brass); outline-offset: 2px; }
.fly button:hover, .seg span:hover, .modes span:hover { border-color: var(--mist); }
.modes { flex-direction: column; align-items: stretch; }
.modes span { width: 100%; }
.ex-ba { display: flex; gap: 6px; }
.ex-count { margin: 0; font: 600 var(--s-1)/1.3 var(--display); color: var(--signal); }
.switch { display: flex; align-items: center; gap: 10px; font: 500 var(--s-1)/1.3 var(--display); cursor: pointer; }
.switch input { position: absolute; opacity: 0; }
.track-sw { width: 36px; height: 20px; border-radius: 10px; background: var(--line); position: relative; flex: none; transition: background .2s; }
.track-sw::after { content: ""; position: absolute; top: 3px; left: 3px; width: 14px; height: 14px; border-radius: 50%; background: var(--fog); transition: transform .2s; }
.switch input:checked + .track-sw { background: var(--brass); }
.switch input:checked + .track-sw::after { transform: translateX(16px); }
.switch input:focus-visible + .track-sw { outline: 2px solid var(--brass); outline-offset: 2px; }
.ex-trace { justify-content: center; }
.ex-info { border-top: 1px solid var(--line); padding-top: 18px; min-height: 140px; }
.ex-info h3 { font-size: var(--s1); margin-bottom: 8px; }
.ex-info p { margin: 0 0 10px; color: color-mix(in srgb, var(--fog) 88%, var(--mist)); line-height: 1.5; }
.ex-k { font: 600 var(--s-1)/1 var(--display) !important; color: var(--signal) !important; margin-bottom: 8px !important; }
.ex-tags { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.ex-tags li { font: 500 12px/1 var(--display); padding: 6px 8px; border: 1px solid var(--brass); color: var(--brass); border-radius: 2px; }
.ex-stats { margin: 6px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ex-stats dt { font: 700 var(--s2)/1 var(--display); font-stretch: 118%; color: var(--brass); }
.ex-stats dd { margin: 4px 0 0; font: 400 var(--s-1)/1.35 var(--display); color: var(--mist); }
.ex-progress { list-style: none; margin: 8px 0 0; padding: 0; display: flex; gap: 4px; }
.ex-progress li { flex: 1; height: 4px; background: var(--line); }
.ex-progress li.done { background: var(--signal); }
.ex-progress li.now { background: var(--brass); }
@media (max-width: 960px) {
  .ex-body { grid-template-columns: 1fr; }
  .stage { border-right: 0; border-bottom: 1px solid var(--line); height: clamp(340px, 58vh, 520px); }
  .ex-controls fieldset { display: flex; flex-wrap: wrap; gap: 4px 16px; }
  .ex-controls legend { width: 100%; }
  .modes { flex-direction: row; }
  .modes span { width: auto; }
}
@media (prefers-reduced-motion: reduce) { .track-sw, .track-sw::after { transition: none; } }
.no-explorer .stage { cursor: default; }

@media (max-width: 640px) { .xl-layer { display: none; } }
.disc-panel, #explore, .chain { scroll-margin-top: 80px; }
.xl-left { translate: -100% 0; margin-left: -14px !important; border-left: 0 !important; border-right: 2px solid var(--brass); }

/* ---------- story diorama ---------- */
.stage[data-view="story"] { background: radial-gradient(80% 70% at 50% 45%, color-mix(in srgb, var(--hull) 92%, #2a4448), var(--ink) 78%); }
.xl-pin {
  pointer-events: auto; cursor: pointer; translate: -50% -100%; margin-top: -6px;
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px 4px 4px; border-radius: 999px;
  background: var(--ink); color: var(--fog); border: 1px solid color-mix(in srgb, var(--brass) 60%, var(--line));
  font: 600 12px/1 var(--display); box-shadow: 0 6px 16px rgba(0,0,0,.35); transition: background .2s, color .2s;
}
.xl-pin::after { content: ""; position: absolute; left: 50%; bottom: -7px; width: 1px; height: 7px; background: var(--brass); }
.pin-n { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: var(--brass); color: var(--ink); font-weight: 700; font-variant-numeric: tabular-nums; }
.xl-pin:hover, .xl-pin.on { background: var(--brass); color: var(--ink); }
.xl-pin.on .pin-n { background: var(--ink); color: var(--brass); }
.xl-pin:focus-visible { outline: 2px solid var(--fog); outline-offset: 2px; }
.story-nav { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 10px; align-items: center; }
.story-nav .btn, .story-row .btn { padding: 12px 16px; font-size: var(--s-1); min-height: 44px; justify-content: center; }
.story-nav .btn:disabled { opacity: .4; cursor: default; }
.st-count { margin: 0; text-align: center; font: 600 var(--s-1)/1.2 var(--display); color: var(--mist); font-variant-numeric: tabular-nums; }
.story-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.story-stat { display: grid; gap: 4px; margin: 4px 0 12px !important; }
.story-stat .fig { font-size: clamp(1.7rem, 2.6vw, 2.2rem); white-space: normal; }
.story-stat span:last-child { font: 400 var(--s-1)/1.35 var(--display); color: var(--mist); }
.ex-controls .switch { min-height: 32px; }
@media (max-width: 960px) {
  .ex-controls[data-for="story"] fieldset .switch { width: 100%; }
  .xl-pin { padding: 3px 3px; gap: 0; }
  .xl-pin .pin-t { display: none; }
  .xl-pin.on .pin-t { display: inline; padding: 0 8px 0 6px; }
}
.stage-hint { padding: 5px 10px; border-radius: 2px; background: color-mix(in srgb, var(--ink) 82%, transparent); color: var(--fog); }

/* ---------- map chips ---------- */
.xl-chip { translate: -50% -100%; padding: 4px 8px 5px; border-radius: 3px; background: color-mix(in srgb, var(--ink) 88%, transparent);
  border: 1px solid var(--line); display: grid; gap: 1px; text-align: center; line-height: 1.15; }
.xl-chip b { font: 650 12px/1.15 var(--display); color: var(--fog); }
.xl-chip span { font: 500 11px/1.15 var(--display); color: var(--mist); }
.xl-chip.xl-sourcing { border-color: color-mix(in srgb, var(--brass) 70%, var(--line)); }
.xl-chip.xl-sourcing span { color: var(--brass); }
.xl-chip.xl-dc { border-color: color-mix(in srgb, var(--signal) 60%, var(--line)); }
.xl-chip.xl-factory { border-color: #B98A62; }
.xl-chip.on { background: var(--brass); border-color: var(--brass); z-index: 2; }
.xl-chip.on b, .xl-chip.on span { color: var(--ink); }
.xl-click { cursor: pointer; }
.xl-site { translate: -50% -150%; margin: 0 !important; white-space: nowrap; }
.ex-made { display: grid; gap: 2px; margin: 0 0 10px !important; padding: 10px 12px; border-left: 3px solid var(--brass); background: color-mix(in srgb, var(--brass) 8%, transparent); font: 600 var(--s0)/1.3 var(--display); color: var(--fog) !important; }
.ex-made span { font: 500 12px/1 var(--display); color: var(--brass); }
.ex-cats { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.ex-cats li { color: color-mix(in srgb, var(--fog) 88%, var(--mist)); line-height: 1.45; }
.ex-cats b { font: 650 var(--s-1)/1 var(--display); color: var(--brass); margin-right: 6px; }
.zoom-row { margin-top: 2px; }
.stage[data-view="network"] { background: radial-gradient(80% 70% at 50% 45%, #183a40, var(--ink) 80%); }

/* ---------- systems diagram ---------- */
.sys2d { display: none; position: relative; padding: 18px; gap: 10px; }
.stage[data-view="systems"] { height: auto; min-height: 0; cursor: default; overflow: visible; }
.stage[data-view="systems"] canvas, .stage[data-view="systems"] .stage-labels, .stage[data-view="systems"] .stage-hint { display: none; }
.stage[data-view="systems"] .sys2d { display: grid; }
.sys-path { position: absolute; left: 0; top: 0; pointer-events: none; overflow: visible; z-index: 0; }
.sband { position: relative; z-index: 1; }
.scard { z-index: 1; }
.sys-path polyline { fill: none; stroke: var(--brass); stroke-width: 3; stroke-linejoin: round; stroke-linecap: round; stroke-dasharray: 8 6; animation: sysdash 1s linear infinite; }
@keyframes sysdash { to { stroke-dashoffset: -14; } }
@media (prefers-reduced-motion: reduce) { .sys-path polyline { animation: none; } }
.sband { display: grid; grid-template-columns: minmax(150px, 0.9fr) minmax(0, 3fr); gap: 14px; align-items: center; padding: 12px 14px; border: 1px solid var(--line); border-left-width: 4px; background: color-mix(in srgb, var(--hull) 55%, transparent); transition: opacity .25s; }
.sband.off { opacity: .18; }
.sband.off .scard { pointer-events: none; }
.sb-4 { border-left-color: #F2EEE3; } .sb-2, .sb-3 { border-left-color: var(--signal); } .sb-1 { border-left-color: var(--brass); background: color-mix(in srgb, var(--brass) 10%, var(--hull)); } .sb-0 { border-left-color: var(--mist); }
.sb-head { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 10px; align-items: start; }
.sb-head svg { width: 26px; height: 26px; fill: none; stroke: var(--fog); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.sb-head h4 { margin: 0; font: 700 var(--s0)/1.2 var(--display); font-stretch: 110%; }
.sb-head p { margin: 2px 0 0; font: 400 12px/1.35 var(--display); color: var(--mist); }
.sb-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; }
.scard { position: relative; text-align: left; cursor: pointer; display: grid; gap: 3px; padding: 10px 12px; border-radius: 3px;
  background: var(--ink); border: 1px solid var(--line); color: var(--fog); font: inherit; transition: border-color .2s, background .2s, transform .2s; }
.scard b { font: 650 var(--s-1)/1.2 var(--display); }
.scard span { font: 400 12px/1.3 var(--display); color: var(--mist); }
.scard:hover { border-color: var(--mist); }
.scard.on, .scard.now { background: var(--brass); border-color: var(--brass); }
.scard.on b, .scard.on span, .scard.now b, .scard.now span { color: var(--ink); }
.scard.now { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,.35); }
.scard.done { border-color: var(--brass); }
.snum:empty { display: none; }
.snum { position: absolute; top: -9px; right: -9px; width: 22px; height: 22px; border-radius: 50%; background: var(--brass); color: var(--ink); font: 700 12px/22px var(--display); text-align: center; font-style: normal; z-index: 3; }
.scard.now .snum { background: var(--ink); color: var(--brass); }
@media (max-width: 760px) {
  .sys2d { padding: 12px; }
  .sband { grid-template-columns: 1fr; }
  .sb-cards { grid-template-columns: 1fr 1fr; }
}

.stage[data-view="network"] { height: clamp(340px, 34vw, 520px); }
@media (max-width: 960px) { .stage[data-view="network"] { height: clamp(360px, 70vw, 520px); } }

/* ---------- story fact card ---------- */
.xl-factcard { translate: 24px -50%; min-width: 210px; max-width: 260px; white-space: normal; padding: 10px 12px; border-radius: 4px;
  background: color-mix(in srgb, var(--ink) 90%, transparent); border: 1px solid var(--brass); box-shadow: 0 10px 24px rgba(0,0,0,.35); }
.xl-factcard p { margin: 0 0 6px; font: 600 11px/1 var(--display); color: var(--brass); }
.xl-factcard ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 5px; }
.xl-factcard li { font: 600 12.5px/1.3 var(--display); color: var(--fog); padding-left: 12px; position: relative; }
.xl-factcard li::before { content: ""; position: absolute; left: 0; top: 5px; width: 5px; height: 5px; border-radius: 50%; background: var(--signal); }
.story-facts { list-style: none; margin: 0 0 12px; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.story-facts li { font: 600 12px/1.2 var(--display); padding: 6px 9px; border: 1px solid color-mix(in srgb, var(--brass) 60%, var(--line)); border-radius: 2px; color: var(--fog); }
@media (min-width: 760px) { .ex-panel .story-facts { display: none; } }

/* ---------- 3D call to action ---------- */
.dp-3d { justify-content: center; font-size: var(--s0); padding: 16px 22px; }
.dp-3d svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linejoin: round; }
.cta-3d {
  margin-top: 28px; display: grid; grid-template-columns: 64px minmax(0, 1fr) auto; gap: 20px; align-items: center;
  padding: 22px 26px; text-decoration: none; color: var(--ink); border-radius: 3px;
  background: linear-gradient(100deg, var(--brass), color-mix(in srgb, var(--brass) 70%, #F2E3C0));
  box-shadow: 0 18px 40px rgba(0,0,0,.35); transition: transform .2s;
}
.cta-3d:hover { transform: translateY(-2px); }
.cta-cube { width: 64px; height: 64px; display: grid; place-items: center; border-radius: 50%; background: var(--ink); }
.cta-cube svg { width: 34px; height: 34px; fill: none; stroke: var(--brass); stroke-width: 1.6; stroke-linejoin: round; }
@media (prefers-reduced-motion: no-preference) { .cta-cube svg { animation: cubeTurn 6s ease-in-out infinite; } }
@keyframes cubeTurn { 0%, 100% { transform: rotate(0); } 50% { transform: rotate(18deg); } }
.cta-text { display: grid; gap: 4px; }
.cta-text b { font: 750 clamp(1.3rem, 2.4vw, 1.75rem)/1.1 var(--display); font-stretch: 115%; }
.cta-text span { font-size: var(--s0); color: color-mix(in srgb, var(--ink) 80%, transparent); }
.cta-go { font: 700 var(--s0)/1 var(--display); padding: 14px 22px; background: var(--ink); color: var(--brass); border-radius: 2px; }
@media (max-width: 640px) { .cta-3d { grid-template-columns: 48px minmax(0, 1fr); padding: 18px; gap: 14px; } .cta-cube { width: 48px; height: 48px; } .cta-go { display: none; } }
section.chain-sec { padding-bottom: 40px; }
section.explore { padding-top: 40px; }
.matrix-wrap { margin: 40px 0 48px; }

/* ---------- art bands ---------- */
.art-band { position: relative; z-index: 1; margin: 0; overflow: hidden; background: var(--ink); }
.art-band img { display: block; width: 100%; height: clamp(260px, 38vw, 520px); object-fit: cover; }
.art-band::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, var(--ink) 0%, transparent 18%, transparent 52%, color-mix(in srgb, var(--ink) 92%, transparent) 100%); }
.art-band figcaption { position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; padding-block: 0 28px; }
.art-band .fig { font-size: clamp(2.4rem, 6vw, 4.6rem); color: var(--brass); text-shadow: 0 4px 24px rgba(0,0,0,.5); }
.art-text { font: 600 clamp(1rem, 1.6vw, 1.3rem)/1.35 var(--display); color: var(--fog); max-width: 32ch; text-shadow: 0 2px 12px rgba(0,0,0,.6); }
@media (max-width: 640px) { .art-band figcaption { display: grid; gap: 4px; padding-block: 0 18px; } }
.stage .xl-factcard { transform: none !important; translate: none; left: 16px; top: 16px; }

/* ---------- network story ---------- */
.net-seg button { display: inline-flex; align-items: center; min-height: 36px; padding: 0 12px; border: 1px solid var(--line); border-radius: 2px; font: 500 var(--s-1)/1 var(--display); color: var(--fog); background: transparent; cursor: pointer; }
.net-seg button[aria-pressed="true"] { background: var(--brass); border-color: var(--brass); color: var(--ink); }
.net-seg button:hover { border-color: var(--mist); }
.ns-story { display: grid; gap: 10px; padding: 14px; border: 1px solid color-mix(in srgb, var(--brass) 55%, var(--line)); background: color-mix(in srgb, var(--brass) 6%, transparent); }
.ns-legend { margin: 0; font: 650 var(--s-1)/1 var(--display); color: var(--brass); }
.ns-chapters { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.ns-chapters button { display: flex; align-items: center; gap: 8px; text-align: left; min-height: 36px; padding: 6px 8px; border: 1px solid var(--line); border-radius: 2px; background: var(--ink); color: var(--fog); font: 500 12.5px/1.2 var(--display); cursor: pointer; }
.ns-chapters button i { font-style: normal; display: inline-grid; place-items: center; width: 20px; height: 20px; flex: none; border-radius: 50%; background: var(--line); color: var(--fog); font: 700 11px/1 var(--display); }
.ns-chapters button[aria-pressed="true"] { border-color: var(--brass); background: color-mix(in srgb, var(--brass) 18%, var(--ink)); }
.ns-chapters button[aria-pressed="true"] i { background: var(--brass); color: var(--ink); }
.ns-nav .btn { min-height: 40px; }
.ns-key { display: flex; flex-wrap: wrap; gap: 6px 14px; font: 500 12px/1.2 var(--display); color: var(--mist); }
.ns-key span { display: inline-flex; align-items: center; gap: 6px; }
.ns-key i { width: 11px; height: 11px; display: inline-block; }
.k-src { background: var(--brass); border-radius: 50%; }
.k-coe { border: 2px solid var(--brass); border-radius: 50%; box-shadow: 0 0 0 2px color-mix(in srgb, var(--brass) 35%, transparent); }
.k-mkt { background: var(--signal); border-radius: 50%; }
.k-fac { background: #B98A62; }
.k-dc { background: #3F78B5; }
.xl-chip.xl-market { border-color: var(--signal); background: color-mix(in srgb, var(--signal) 22%, var(--ink)); }
.xl-chip.has-chip span { color: var(--brass); font-weight: 650; }
.xl-chip.xl-coe { border-color: var(--brass); box-shadow: 0 0 0 2px color-mix(in srgb, var(--brass) 40%, transparent); }
.xl-days { translate: -50% -50%; padding: 3px 8px; border-radius: 999px; background: var(--brass); color: var(--ink); font: 700 11.5px/1.2 var(--display); white-space: nowrap; box-shadow: 0 4px 12px rgba(0,0,0,.4); }
.xl-days.old { background: #C2725F; color: #fff; }
.ns-split { display: flex; height: 30px; margin: 4px 0 12px; border-radius: 2px; overflow: hidden; font: 700 12px/30px var(--display); }
.ns-split span { width: var(--w); padding-left: 10px; white-space: nowrap; }
.ns-split .a { background: #C2725F; color: #fff; }
.ns-split .b { background: var(--mist); color: var(--ink); }
.ns-list { list-style: none; margin: 0 0 12px; padding: 0; display: grid; gap: 8px; }
.ns-list li { display: grid; gap: 2px; color: color-mix(in srgb, var(--fog) 85%, var(--mist)); font-size: var(--s-1); line-height: 1.4; }
.ns-list b { font: 650 var(--s-1)/1.25 var(--display); color: var(--fog); }
.ns-mine li { grid-template-columns: 72px minmax(0, 1fr); align-items: baseline; }
.ns-mine b { font: 750 var(--s1)/1 var(--display); color: var(--brass); }
.ns-table { width: 100%; border-collapse: collapse; margin: 0 0 12px; font: 500 12.5px/1.3 var(--display); }
.ns-table th { text-align: left; color: var(--mist); font-weight: 500; padding: 6px 4px; border-bottom: 1px solid var(--line); }
.ns-table td { padding: 7px 4px; border-bottom: 1px solid color-mix(in srgb, var(--line) 60%, transparent); color: var(--fog); }
.ns-table td:last-child { text-align: right; font-weight: 700; color: var(--brass); font-variant-numeric: tabular-nums; }
.ns-table tr.old td:last-child { color: #D88A76; }
.ns-h { margin: 6px 0 8px !important; font: 650 var(--s-1)/1.2 var(--display); color: var(--fog) !important; }
.ns-bars { display: grid; gap: 6px; margin-bottom: 8px; }
.ns-bar { display: grid; grid-template-columns: 82px minmax(0, 1fr) 46px; gap: 8px; align-items: center; font: 500 12px/1 var(--display); }
.ns-bar i { height: 12px; width: var(--w); background: var(--brass); display: block; }
.ns-bar.old i { background: #C2725F; }
.ns-bar b { text-align: right; color: var(--fog); font-variant-numeric: tabular-nums; }
.ns-note { font: 400 12px/1.4 var(--display) !important; color: var(--mist) !important; }
.ns-src { font: 400 11.5px/1.45 var(--display) !important; color: var(--mist) !important; }
.ns-src a { color: var(--mist); }
.ex-info { max-height: none; }

/* ---------- progressive disclosure ---------- */
.more-btn { margin-top: 20px; display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 18px;
  background: transparent; border: 1px solid var(--brass); color: var(--brass); border-radius: 2px; font: 650 var(--s0)/1 var(--display); cursor: pointer; }
.more-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; transition: transform .2s; }
.more-btn[aria-expanded="true"] svg { transform: rotate(180deg); }
.more-btn:hover { background: color-mix(in srgb, var(--brass) 10%, transparent); }
.more { margin-top: 8px; }
.more.manifest { border-top: 0; margin-top: 0; }
.dp-close { justify-self: end; margin: -8px -8px 0 0; min-height: 36px; padding: 0 12px; background: transparent; border: 1px solid var(--line); color: var(--mist); border-radius: 2px; font: 600 var(--s-1)/1 var(--display); cursor: pointer; }
.dp-close:hover { color: var(--fog); border-color: var(--mist); }
.disc-panel { position: relative; }
.chain-hint { margin: 14px 0 0; font: 500 var(--s-1)/1.4 var(--display); color: var(--mist); }
.cta-3d { margin-top: 20px; }
.case-teaser { margin: 4px 0 0; display: grid; gap: 4px; }
.case-teaser .fig { font-size: clamp(1.8rem, 3vw, 2.4rem); white-space: normal; }
.case-teaser span:last-child { font: 400 var(--s-1)/1.35 var(--display); color: var(--mist); }
.case-open { justify-self: start; }
.case-open[aria-expanded="true"] { background: var(--brass); border-color: var(--brass); color: var(--ink); }
.case { padding-block: 40px; }
.case:has(.case-body[hidden]) .case-rail { position: static; }
.case:has(.case-body[hidden]) { grid-template-columns: 1fr; }
.case-rail { grid-template-columns: minmax(0, 1fr); }
@media (min-width: 901px) {
  .case:has(.case-body[hidden]) .case-rail { grid-template-columns: minmax(0, 1.4fr) minmax(0, 2fr) auto; align-items: end; column-gap: 40px; }
  .case:has(.case-body[hidden]) .case-rail > .pillar { grid-column: 1 / -1; }
  .case:has(.case-body[hidden]) .case-rail > .where { grid-column: 2; grid-row: 2; align-self: center; }
  .case:has(.case-body[hidden]) .case-rail > h3 { grid-column: 1; grid-row: 2 / span 2; }
  .case:has(.case-body[hidden]) .case-teaser { grid-column: 2; grid-row: 3; }
  .case:has(.case-body[hidden]) .case-open { grid-column: 3; grid-row: 2 / span 2; align-self: center; }
}
.quick-toggle { display: inline-flex; align-items: center; gap: 8px; min-height: 36px; padding: 0 12px; border: 1px solid var(--line); border-radius: 2px; background: transparent; color: var(--fog); font: 600 var(--s-1)/1 var(--display); cursor: pointer; white-space: nowrap; }
.quick-toggle[aria-pressed="true"] { border-color: var(--brass); color: var(--brass); }
header.top .wrap { gap: 16px; }
.head-right { display: flex; align-items: center; gap: 16px; }
.skim { margin: 0; font: 500 var(--s-1)/1.45 var(--display); color: var(--signal); max-width: 46ch; }
@media (max-width: 1000px) { nav.sections .quick-toggle { margin-top: 10px; justify-content: center; min-height: 44px; } }
nav.sections { align-items: center; }