/* Situational Awareness briefing. Tokens first; light is default, dark via
   OS preference (unless the viewer forced light) or an explicit toggle. */
:root {
  color-scheme: light;
  --bg: #f4f3ee;
  --surface: #fcfcfb;
  --surface-2: #efeee8;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #74736e;
  --rule: #dedcd4;
  --grid: #e7e5de;
  --cap: #2a78d6;      /* capability lane / series 1 */
  --cmp: #eb6834;      /* compute & capital lane / series 2 */
  --gov: #6250d6;      /* government & security lane */
  --aqua: #1baf7a;
  --good: #008300;
  --crit: #d03b3b;
  --accent: #2a78d6;
  --accent-ink: #1c5cab;
  --accent-soft: #e3eefc;
  --crit-soft: #fbe6e3;
  --shadow: 0 1px 2px rgb(0 0 0 / .04), 0 4px 16px rgb(0 0 0 / .04);
  --serif: "Iowan Old Style", "Charter", "Source Serif Pro", "Georgia", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #111110; --surface: #1a1a19; --surface-2: #232321;
    --ink: #f0efec; --ink-2: #c3c2b7; --muted: #94938b; --rule: #33322f; --grid: #2a2a27;
    --cap: #3987e5; --cmp: #d95926; --gov: #9085e9; --aqua: #199e70; --good: #2fa52f; --crit: #e66767;
    --accent: #3987e5; --accent-ink: #86b6ef; --accent-soft: #16273d; --crit-soft: #3a1f1d;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111110; --surface: #1a1a19; --surface-2: #232321;
  --ink: #f0efec; --ink-2: #c3c2b7; --muted: #94938b; --rule: #33322f; --grid: #2a2a27;
  --cap: #3987e5; --cmp: #d95926; --gov: #9085e9; --aqua: #199e70; --good: #2fa52f; --crit: #e66767;
  --accent: #3987e5; --accent-ink: #86b6ef; --accent-soft: #16273d; --crit-soft: #3a1f1d;
  --shadow: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.55 var(--sans); font-variant-numeric: tabular-nums;
  overflow-x: hidden;
}
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; font-weight: 600; }
h2 { font-family: var(--serif); letter-spacing: -.01em; }
p { margin: 0; }
b, strong { font-weight: 650; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .wrap { padding: 0 16px; } }

/* ── nav ── */
.progress { position: fixed; inset: 0 0 auto 0; height: 3px; z-index: 30; }
.progress span { display: block; height: 100%; width: 0; background: var(--accent); }
.topnav {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 16px;
  padding: 10px 24px; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.brand { font-weight: 750; color: var(--ink); letter-spacing: .02em; white-space: nowrap; }
.brand span { color: var(--accent); margin: 0 2px; }
.chips { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; flex: 1; min-width: 0; mask-image: linear-gradient(90deg, #000 92%, transparent); }
.chips::-webkit-scrollbar { display: none; }
.chips a {
  white-space: nowrap; font-size: 13px; padding: 5px 10px; border-radius: 999px; color: var(--ink-2);
}
.chips a:hover { background: var(--surface-2); text-decoration: none; }
.chips a.on { background: var(--ink); color: var(--bg); }
.tools { display: flex; gap: 6px; }
.tools button {
  font: inherit; font-size: 13px; color: var(--ink-2); background: var(--surface); border: 1px solid var(--rule);
  border-radius: 8px; padding: 5px 10px; cursor: pointer; white-space: nowrap;
}
.tools button:hover { color: var(--ink); border-color: var(--muted); }
.tools button[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
@media (max-width: 640px) { .topnav { padding: 8px 16px; gap: 10px; } .brand { display: none; } #expand { display: none; } }

/* ── hero ── */
.hero { padding-top: 64px; padding-bottom: 32px; }
.eyebrow, .tag, .kicker {
  font-size: 12px; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; color: var(--muted);
}
.hero h1 {
  font-family: var(--serif); font-weight: 600; font-size: clamp(40px, 7vw, 76px); line-height: 1.02;
  letter-spacing: -.025em; margin: 14px 0 20px;
}
.hero h1 span { display: block; color: var(--muted); font-style: italic; font-weight: 400; }
.dek { font-size: clamp(18px, 2.2vw, 22px); line-height: 1.45; max-width: 760px; color: var(--ink-2); }
.dek strong { color: var(--ink); }
.meta { display: flex; flex-wrap: wrap; gap: 8px 20px; list-style: none; padding: 0; margin: 22px 0 0; font-size: 13px; color: var(--muted); }
.meta li::before { content: "●"; color: var(--accent); font-size: 8px; vertical-align: 3px; margin-right: 8px; }

/* ── BLUF ── */
.bluf {
  display: grid; grid-template-columns: 240px 1fr; gap: 32px; background: var(--surface);
  border: 1px solid var(--rule); border-radius: 16px; padding: 28px 32px; box-shadow: var(--shadow);
  border-top: 4px solid var(--ink);
}
.bluf h2 { font-size: 28px; line-height: 1.15; margin-top: 8px; }
.bluf-list { margin: 0; padding: 0; list-style: none; counter-reset: b; display: grid; gap: 14px; }
.bluf-list li { counter-increment: b; position: relative; padding-left: 40px; font-size: 16.5px; }
.bluf-list li::before {
  content: counter(b); position: absolute; left: 0; top: 1px; width: 26px; height: 26px; border-radius: 50%;
  background: var(--ink); color: var(--bg); font-size: 13px; font-weight: 700; display: grid; place-items: center;
}
.ref {
  display: inline-block; font-size: 11px; font-weight: 700; padding: 1px 6px; border-radius: 4px; margin-left: 2px;
  background: var(--accent-soft); color: var(--accent-ink); vertical-align: 1px;
}
.ref:hover { text-decoration: none; background: var(--accent); color: #fff; }
@media (max-width: 760px) { .bluf { grid-template-columns: 1fr; gap: 16px; padding: 22px 20px; } }

.kpis { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-top: 16px; }
.kpi {
  position: relative; display: flex; flex-direction: column; gap: 6px; padding: 16px 16px 18px;
  background: var(--surface); border: 1px solid var(--rule); border-radius: 12px; color: var(--ink);
  transition: transform .15s, border-color .15s;
}
.kpi:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-2px); }
.kv { font-family: var(--serif); font-size: 30px; font-weight: 600; line-height: 1; letter-spacing: -.02em; }
.kl { font-size: 13px; line-height: 1.35; color: var(--ink-2); }
.ks { position: absolute; top: 10px; right: 12px; font-size: 10px; font-weight: 700; color: var(--muted); }
@media (max-width: 980px) { .kpis { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .kpis { grid-template-columns: repeat(2, 1fr); } .kv { font-size: 26px; } }

.note { margin-top: 16px; font-size: 13.5px; color: var(--ink-2); padding: 12px 16px; border-left: 3px solid var(--accent); background: var(--accent-soft); border-radius: 0 8px 8px 0; }

/* ── generic section heads ── */
.block { padding-top: 72px; }
.sec-head { margin-bottom: 20px; max-width: 820px; }
.sec-head h2 { font-size: clamp(24px, 3vw, 32px); line-height: 1.2; margin-top: 6px; }
.sub { color: var(--ink-2); margin-top: 8px; font-size: 15px; }

/* ── argument chain ── */
.chain { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.chain li { position: relative; }
.chain li:not(:last-child)::after {
  content: "→"; position: absolute; right: -10px; top: 22px; width: 10px; text-align: center; color: var(--muted); font-weight: 700;
}
.chain a {
  display: flex; flex-direction: column; gap: 8px; height: 100%; padding: 14px; background: var(--surface);
  border: 1px solid var(--rule); border-radius: 12px; color: var(--ink);
}
.chain a:hover { text-decoration: none; border-color: var(--accent); }
.chain .n { width: 24px; height: 24px; border-radius: 6px; background: var(--accent-soft); color: var(--accent-ink); font-weight: 750; font-size: 13px; display: grid; place-items: center; }
.chain b { font-size: 14.5px; line-height: 1.3; }
.chain .if { margin-top: auto; font-size: 12.5px; line-height: 1.4; color: var(--ink-2); padding-top: 10px; border-top: 1px dashed var(--rule); }
.chain .if em { font-style: normal; font-weight: 650; color: var(--crit); }
@media (max-width: 980px) { .chain { grid-template-columns: repeat(3, 1fr); } .chain li:nth-child(3)::after { display: none; } }
@media (max-width: 560px) {
  .chain { grid-template-columns: 1fr; }
  .chain li:not(:last-child)::after { content: "↓"; right: auto; left: 22px; top: auto; bottom: -15px; }
  .chain li:nth-child(3)::after { display: block; }
}

/* ── master timeline ── */
.lanes-key { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13px; color: var(--ink-2); margin-bottom: 12px; }
.lk::before { content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.lk-cap::before { background: var(--cap); } .lk-cmp::before { background: var(--cmp); } .lk-gov::before { background: var(--gov); }
.now-key { font-weight: 650; color: var(--crit); }
.tl {
  position: relative; display: grid; grid-template-columns: 112px repeat(7, minmax(0, 1fr));
  background: var(--surface); border: 1px solid var(--rule); border-radius: 14px; overflow: hidden;
  grid-template-rows: auto auto auto auto;
}
.tl .yr { grid-row: 1; padding: 10px 10px 8px; font-weight: 750; font-size: 15px; border-bottom: 1px solid var(--rule); border-left: 1px solid var(--grid); }
.tl .lane { grid-column: 1; padding: 12px 10px; font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-2); border-top: 1px solid var(--grid); }
.tl .lane i { display: block; width: 18px; height: 3px; border-radius: 2px; margin-bottom: 6px; }
.tl .corner { grid-row: 1; grid-column: 1; border-bottom: 1px solid var(--rule); }
.tl .cell { position: relative; z-index: 1; padding: 10px 8px; border-left: 1px solid var(--grid); border-top: 1px solid var(--grid); display: flex; flex-direction: column; gap: 6px; }
.tl .ev { font-size: 12.5px; line-height: 1.35; padding: 6px 8px 6px 9px; border-radius: 6px; background: var(--surface-2); border-left: 3px solid; }
.tl .ev b { display: block; font-size: 13px; hyphens: manual; }
.tl .ev .tg { display: none; }
.tl .ev.cap { border-color: var(--cap); } .tl .ev.cmp { border-color: var(--cmp); } .tl .ev.gov { border-color: var(--gov); }
.tl .ev.big { background: var(--ink); color: var(--bg); }
.tl .now { grid-row: 1 / -1; position: relative; pointer-events: none; }
.tl .now::before { content: ""; position: absolute; top: 0; bottom: 0; left: var(--at, 80%); border-left: 2px dashed var(--crit); }
.tl .now span {
  position: absolute; bottom: 6px; left: var(--at, 80%); transform: translateX(-50%); font-size: 10.5px; font-weight: 750;
  letter-spacing: .04em; text-transform: uppercase; background: var(--crit); color: #fff; padding: 2px 6px; border-radius: 4px; white-space: nowrap;
}
@media (max-width: 860px) {
  .tl { display: block; padding: 4px 14px 14px; }
  .tl .corner, .tl .lane { display: none; }
  .tl .yr { border: 0; padding: 16px 0 6px; font-size: 18px; font-family: var(--serif); }
  .tl .cell { border: 0; padding: 0 0 6px; }
  .tl .ev .tg { display: block; font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
  .tl .ev.big .tg { color: inherit; opacity: .7; }
  .tl .now { position: static; margin: 14px 0 0; }
  .tl .now::before { display: none; }
  .tl .now span { position: static; transform: none; display: block; text-align: center; padding: 4px; }
}

/* ── chapters ── */
.ch { padding-top: 88px; }
.ch-head {
  display: grid; grid-template-columns: 76px 1fr auto; gap: 20px; align-items: start;
  padding-top: 22px; border-top: 2px solid var(--ink); margin-bottom: 24px;
}
.ch-num { font-family: var(--serif); font-size: 44px; line-height: 1; font-weight: 600; color: var(--accent); }
.ch-head h2 { font-size: clamp(24px, 3.2vw, 36px); line-height: 1.15; margin: 8px 0 12px; max-width: 860px; }
.lede { font-size: 17px; color: var(--ink-2); max-width: 780px; }
.src {
  font-size: 13px; font-weight: 650; padding: 6px 12px; border: 1px solid var(--rule); border-radius: 999px;
  white-space: nowrap; background: var(--surface);
}
.src:hover { text-decoration: none; border-color: var(--accent); }
@media (max-width: 760px) {
  .ch { padding-top: 64px; }
  .ch-head { grid-template-columns: 1fr; gap: 6px; }
  .ch-num { font-size: 32px; }
  .src { justify-self: start; margin-top: 6px; }
}

.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.tiles-2 { grid-template-columns: repeat(2, 1fr); margin-bottom: 0; }
.tile { padding: 14px 16px; background: var(--surface); border: 1px solid var(--rule); border-radius: 12px; display: flex; flex-direction: column; gap: 4px; }
.tv { font-family: var(--serif); font-size: 26px; font-weight: 600; line-height: 1.1; letter-spacing: -.015em; }
.tl- { font-size: 13px; line-height: 1.35; color: var(--ink-2); }
@media (max-width: 860px) { .tiles { grid-template-columns: repeat(2, 1fr); } }

.figs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.fig { margin: 0; padding: 18px 20px 20px; background: var(--surface); border: 1px solid var(--rule); border-radius: 14px; min-width: 0; }
.fig-wide { grid-column: 1 / -1; }
.fig-plain { margin-bottom: 16px; }
.fig figcaption, .figtitle { display: flex; flex-direction: column; gap: 2px; margin-bottom: 12px; }
.fig figcaption b, .figtitle b { font-size: 15px; }
.fig figcaption span, .figtitle span { font-size: 12.5px; color: var(--muted); }
.mt { margin-top: 20px; }
@media (max-width: 860px) { .figs { grid-template-columns: 1fr; } .fig { padding: 16px; } }

.chart { width: 100%; min-height: 220px; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart text { font-family: var(--sans); fill: var(--ink-2); font-size: 12px; }
.chart .t-ink { fill: var(--ink); font-weight: 650; }
.chart .t-mut { fill: var(--muted); font-size: 11px; }
.chart .t-big { fill: var(--ink); font-weight: 700; font-size: 13px; }
.chart .grid { stroke: var(--grid); stroke-width: 1; }
.chart .axis { stroke: var(--rule); stroke-width: 1; }
.chart .hit { fill: transparent; cursor: default; }
.chart .hit:focus-visible { outline: none; stroke: var(--accent); stroke-width: 2; fill: color-mix(in srgb, var(--accent) 8%, transparent); }

ul.tight, ol.why, ol.steps { margin: 0; padding-left: 18px; display: grid; gap: 7px; font-size: 14.5px; }
ul.tight li::marker { color: var(--muted); }
.small { font-size: 13px; color: var(--ink-2); margin-top: 12px; }

details { margin-top: 4px; border: 1px solid var(--rule); border-radius: 14px; background: var(--surface); }
summary {
  cursor: pointer; padding: 12px 20px; font-size: 14px; font-weight: 650; color: var(--ink-2); list-style: none;
  display: flex; align-items: center; gap: 8px;
}
summary::-webkit-details-marker { display: none; }
summary::before { content: "+"; display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; border: 1px solid var(--rule); font-size: 14px; line-height: 1; }
details[open] summary::before { content: "−"; }
summary:hover { color: var(--ink); }
details > :not(summary) { padding: 0 20px; }
details > :last-child { padding-bottom: 20px; }
details h3 { font-size: 14px; margin-bottom: 8px; }
.cols3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 18px; }
.cols2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-bottom: 18px; }
@media (max-width: 860px) { .cols3, .cols2 { grid-template-columns: 1fr; gap: 16px; } }

.quotes { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
blockquote {
  margin: 0; padding: 12px 16px; border-left: 3px solid var(--ink); background: var(--surface-2); border-radius: 0 8px 8px 0;
  font-family: var(--serif); font-size: 16.5px; line-height: 1.4;
}
blockquote cite { display: block; margin-top: 6px; font: 12px var(--sans); font-style: normal; color: var(--muted); }

/* ch II */
.verdicts { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.verdicts th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 650; padding: 0 8px 6px 0; }
.verdicts td { padding: 8px 8px 8px 0; border-top: 1px solid var(--grid); vertical-align: top; color: var(--ink-2); }
.verdicts td:first-child { color: var(--ink); font-weight: 600; width: 40%; }
.pill { display: inline-block; font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 999px; background: var(--surface-2); color: var(--ink); margin-right: 4px; border: 1px solid var(--rule); }
.pill-hi { background: var(--crit-soft); color: var(--crit); border-color: transparent; }
.impl { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: 14px; }
.impl li { position: relative; padding-left: 26px; color: var(--ink-2); }
.impl li span { position: absolute; left: 0; top: 0; color: var(--accent); font-size: 15px; }
.impl b { color: var(--ink); }

/* ch IIIa ladder */
.ladder { display: grid; gap: 8px; }
.rung {
  display: grid; grid-template-columns: 78px 1fr; gap: 14px; align-items: center; padding: 10px 12px;
  border-radius: 10px; background: var(--surface-2);
}
.rung-y { font-family: var(--serif); font-size: 20px; font-weight: 650; line-height: 1.05; }
.rung-y small { display: block; font: 600 11px var(--sans); color: var(--muted); margin-top: 3px; }
.rung-body { display: grid; gap: 6px; min-width: 0; }
.rung-bar { position: relative; height: 22px; border-radius: 4px; background-image: repeating-linear-gradient(90deg, var(--grid) 0 1px, transparent 1px 20%); }
.rung-bar > span {
  position: absolute; inset: 0 auto 0 0; border-radius: 4px; background: var(--cmp);
  display: flex; align-items: center; justify-content: flex-end; padding-right: 8px; color: #fff; font-size: 12px; font-weight: 750;
}
.rung-facts { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 13px; color: var(--ink-2); }
.rung-facts b { color: var(--ink); }
.rung.last { background: var(--ink); color: var(--bg); }
.rung.last .rung-facts, .rung.last .rung-y small { color: inherit; opacity: .8; }
.rung.last .rung-facts b { color: inherit; }
.rung.last .rung-bar { background-image: repeating-linear-gradient(90deg, rgb(128 128 128 / .35) 0 1px, transparent 1px 20%); }

.mini { width: 100%; border-collapse: collapse; font-size: 12.5px; margin-top: 12px; }
.mini th, .mini td { padding: 6px 6px; border-top: 1px solid var(--grid); text-align: right; white-space: nowrap; }
.mini thead th { color: var(--muted); font-weight: 650; border-top: 0; }
.mini tbody th { text-align: left; font-weight: 600; color: var(--ink-2); white-space: normal; }
@media (max-width: 480px) { .mini { font-size: 11.5px; } .mini th, .mini td { padding: 5px 3px; } }

/* ch IIIb gauge */
.gauge { padding: 30px 4px 6px; }
.g-track { position: relative; height: 16px; border-radius: 999px; background: linear-gradient(90deg, var(--crit) 0%, var(--cmp) 40%, color-mix(in srgb, var(--good) 80%, var(--surface)) 100%); }
.g-ticks { position: relative; height: 30px; margin-top: 6px; }
.g-ticks span { position: absolute; transform: translateX(-50%); font-size: 12px; font-weight: 700; color: var(--ink-2); }
.g-mark { position: absolute; top: -26px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; }
.g-mark b { font-size: 12px; white-space: nowrap; padding: 2px 8px; border-radius: 6px; background: var(--ink); color: var(--bg); }
.g-mark i { width: 2px; height: 30px; background: var(--ink); }
.g-mark.need b { background: var(--good); color: #fff; }
.g-mark.need i { background: var(--good); }
.g-labels { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; font-size: 12.5px; color: var(--ink-2); }
.g-labels div { padding: 8px 10px; border-radius: 8px; background: var(--surface-2); }
.g-labels b { display: block; color: var(--ink); font-size: 13px; }
.g-labels .now-lvl { outline: 2px solid var(--crit); outline-offset: -2px; }
.g-labels .need-lvl { outline: 2px solid var(--good); outline-offset: -2px; }
@media (max-width: 700px) { .g-labels { grid-template-columns: repeat(2, 1fr); } .g-mark b { font-size: 11px; } }

.assets { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.asset { padding: 12px; border-radius: 10px; background: var(--surface-2); font-size: 13.5px; }
.asset > b { display: block; font-size: 15px; margin: 4px 0; }
.asset p { color: var(--ink-2); }
.a-ic { font-size: 20px; }
@media (max-width: 480px) { .assets { grid-template-columns: 1fr; } }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: 14.5px; }
.checks li { position: relative; padding-left: 28px; }
.checks li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 19px; height: 19px; border-radius: 5px; background: var(--accent-soft); color: var(--accent-ink); font-size: 12px; font-weight: 800; display: grid; place-items: center; }

/* ch IIIc */
.dials { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dial { padding: 12px; border-radius: 10px; background: var(--surface-2); font-size: 13.5px; }
.dial b { display: block; margin: 10px 0 4px; font-size: 14.5px; }
.dial p { color: var(--ink-2); }
.meter { height: 8px; border-radius: 999px; background: var(--grid); overflow: hidden; }
.m-fill { display: block; height: 100%; width: 0; border-radius: 999px; transition: width 1s ease-out; }
.m-good { background: var(--good); } .m-bad { background: var(--crit); }
@media (max-width: 480px) { .dials { grid-template-columns: 1fr; } }
.bets { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.bets div { padding: 10px 12px; border-radius: 10px; background: var(--surface-2); display: flex; flex-direction: column; gap: 3px; }
.bets b { font-size: 14px; }
.bets span { font-size: 12.5px; color: var(--ink-2); line-height: 1.4; }
@media (max-width: 480px) { .bets { grid-template-columns: 1fr; } }
.layers { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; counter-reset: l; }
.layers li {
  counter-increment: l; position: relative; padding: 10px 12px 10px 44px; border-radius: 10px; font-size: 13px; color: var(--ink-2);
  background: color-mix(in srgb, var(--gov) calc(var(--d, 0) * 1%), var(--surface-2));
}
.layers li:nth-child(1) { --d: 34; margin: 0; } .layers li:nth-child(2) { --d: 26; margin: 0 10px; }
.layers li:nth-child(3) { --d: 18; margin: 0 20px; } .layers li:nth-child(4) { --d: 11; margin: 0 30px; }
.layers li:nth-child(5) { --d: 5; margin: 0 40px; }
.layers li::before { content: counter(l); position: absolute; left: 12px; top: 10px; width: 22px; height: 22px; border-radius: 50%; background: var(--gov); color: #fff; font-size: 12px; font-weight: 750; display: grid; place-items: center; }
.layers b { display: block; color: var(--ink); font-size: 14px; }
@media (max-width: 480px) { .layers li { margin: 0 !important; } }

/* ch IIId */
.lead { display: grid; gap: 14px; }
.lead-row b { font-size: 14px; }
.lead-bar { height: 28px; border-radius: 4px; margin: 6px 0 4px; background: var(--grid); position: relative; overflow: hidden; }
.lead-bar span { position: absolute; inset: 0 auto 0 0; width: 0; border-radius: 4px; transition: width .9s ease-out; display: flex; align-items: center; padding-left: 10px; color: #fff; font-size: 12px; font-weight: 750; white-space: nowrap; }
.lead-row p { font-size: 13px; color: var(--ink-2); }
.levers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.lever { padding: 14px; border-radius: 10px; background: var(--surface-2); border-top: 3px solid var(--rule); }
.lever-hi { border-top-color: var(--crit); }
.lv-h { font-size: 11px; font-weight: 750; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.lever b { display: block; font-family: var(--serif); font-size: 19px; margin: 4px 0 6px; }
.lever p { font-size: 13.5px; color: var(--ink-2); }
@media (max-width: 760px) { .levers { grid-template-columns: 1fr; } }

/* ch IV gantt */
.gantt { position: relative; padding-bottom: 20px; }
.g-axis { display: grid; grid-template-columns: var(--lab, 280px) 1fr; font-size: 12px; font-weight: 700; color: var(--muted); }
.g-axis .g-years { position: relative; height: 20px; }
.g-axis .g-years span { position: absolute; transform: translateX(-50%); }
.g-row { display: grid; grid-template-columns: var(--lab, 280px) 1fr; align-items: center; gap: 0; padding: 5px 0; border-top: 1px solid var(--grid); }
.g-row .g-lab { font-size: 13.5px; padding-right: 14px; line-height: 1.3; }
.g-row .g-lab small { display: block; font-size: 11.5px; color: var(--muted); }
.g-row .g-lane { position: relative; height: 24px; background-image: repeating-linear-gradient(90deg, var(--grid) 0 1px, transparent 1px calc(100% / 6)); }
.g-row .g-bar { position: absolute; top: 3px; bottom: 3px; border-radius: 4px; }
.g-row .g-bar.pt { width: 18px !important; transform: translateX(-9px); border-radius: 50%; top: 3px; bottom: 3px; }
.g-bar.cap { background: var(--cap); } .g-bar.cmp { background: var(--cmp); } .g-bar.gov { background: var(--gov); }
.gantt .g-now { position: absolute; top: 0; bottom: 0; border-left: 2px dashed var(--crit); pointer-events: none; }
.gantt .g-now span { position: absolute; bottom: -18px; left: 0; transform: translateX(-50%); font-size: 10.5px; font-weight: 750; color: var(--crit); text-transform: uppercase; white-space: nowrap; }
@media (max-width: 700px) {
  .g-axis, .g-row { grid-template-columns: 1fr; }
  .g-axis > div:first-child { display: none; }
  .g-row .g-lab { padding: 0 0 4px; }
}

.why-cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.why-cards li { padding: 10px 12px; border-radius: 10px; background: var(--surface-2); font-size: 13.5px; color: var(--ink-2); }
.why-cards b { display: block; color: var(--ink); font-size: 14px; }
ol.steps { padding-left: 20px; }
ol.steps b { display: block; }

/* ch V */
.tenets { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.tenet { position: relative; padding: 20px; padding-top: 56px; border-radius: 14px; background: var(--surface); border: 1px solid var(--rule); }
.tenet span { position: absolute; top: 16px; left: 20px; font-family: var(--serif); font-size: 32px; line-height: 1; color: var(--accent); font-weight: 600; }
.tenet b { display: block; font-family: var(--serif); font-size: 20px; line-height: 1.25; margin-bottom: 8px; }
.tenet p { font-size: 14px; color: var(--ink-2); }
@media (max-width: 760px) { .tenets { grid-template-columns: 1fr; } }
.closing { margin-top: 18px; padding: 28px 32px; border-radius: 16px; background: var(--ink); color: var(--bg); }
.closing blockquote { background: none; border-left-color: var(--accent); font-size: clamp(22px, 3vw, 30px); padding: 0 0 0 18px; color: inherit; }
.closing p { margin-top: 14px; max-width: 760px; opacity: .85; }
.closing .small { color: inherit; opacity: .65; }
@media (max-width: 640px) { .closing { padding: 22px 20px; } }

/* sources */
.sources { padding-top: 88px; padding-bottom: 64px; }
.sources h2 { font-size: 28px; padding-top: 22px; border-top: 2px solid var(--ink); }
.src-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 18px; }
.sources h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 8px; }
.sources ul { margin: 0 0 18px; padding-left: 18px; display: grid; gap: 5px; font-size: 14.5px; }
.colophon { border-top: 1px solid var(--rule); padding-top: 14px; }
@media (max-width: 760px) { .src-grid { grid-template-columns: 1fr; gap: 0; } }

/* tooltip */
.tip {
  position: fixed; z-index: 50; max-width: 260px; pointer-events: none; padding: 8px 10px; border-radius: 8px;
  background: var(--ink); color: var(--bg); font-size: 12.5px; line-height: 1.4; box-shadow: 0 6px 20px rgb(0 0 0 / .18);
}
.tip b { display: block; font-size: 13px; margin-bottom: 2px; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
@media print {
  .topnav, .progress, .tools { display: none; }
  details > :not(summary) { display: block; }
  .ch { break-inside: avoid-page; }
}

/* SVG paint classes (CSS vars don't work in presentation attributes) */
.f-cap { fill: var(--cap); } .f-cmp { fill: var(--cmp); } .f-gov { fill: var(--gov); } .f-aqua { fill: var(--aqua); }
.f-ink { fill: var(--ink); } .f-surface { fill: var(--surface); } .f-crit-soft { fill: var(--crit-soft); } .f-band { fill: var(--surface-2); }
.s-cap { stroke: var(--cap); } .s-cmp { stroke: var(--cmp); } .s-gov { stroke: var(--gov); } .s-aqua { stroke: var(--aqua); }
.s-ink { stroke: var(--ink); } .s-surface { stroke: var(--surface); } .s-crit { stroke: var(--crit); } .s-mut { stroke: var(--muted); }
.chart .t-onbar { fill: #fff; font-weight: 700; }
.chart .t-crit { fill: var(--crit); font-weight: 650; }

/* Language switch, styled like the tool buttons */
.tools .lang {
  font-size: 13px; color: var(--ink-2); background: var(--surface); border: 1px solid var(--rule);
  border-radius: 8px; padding: 5px 10px; white-space: nowrap; line-height: inherit;
}
.tools .lang:hover { color: var(--ink); border-color: var(--muted); text-decoration: none; }

/* Simplified Chinese page (zh/): CJK fonts after the Latin ones, looser leading,
   no faux italics or caps tracking */
:root:lang(zh) {
  --serif: "Iowan Old Style", "Charter", Georgia, "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", serif;
  --sans: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
}
body:lang(zh) { line-height: 1.7; }
:lang(zh) em { font-style: normal; font-weight: 650; }
.hero h1 span:lang(zh) { font-style: normal; }
.eyebrow:lang(zh), .tag:lang(zh), .kicker:lang(zh) { letter-spacing: .04em; }
blockquote:lang(zh) { line-height: 1.6; }
.gl { color: var(--ink-2); font-size: .9em; font-weight: 400; }
blockquote .orig { display: block; margin-top: 6px; font: 12.5px/1.45 var(--sans); color: var(--muted); }

/* Glossary */
.terms { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 0; }
.term { padding: 12px 14px; background: var(--surface); border: 1px solid var(--rule); border-radius: 10px; }
.term dt { font-weight: 700; font-size: 14.5px; line-height: 1.3; }
.term dt span { display: block; color: var(--accent-ink); font-size: 15px; margin-top: 2px; }
.term dd { margin: 6px 0 0; font-size: 13px; line-height: 1.6; color: var(--ink-2); }
@media (max-width: 980px) { .terms { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .terms { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .terms { grid-template-columns: 1fr; } }