:root {
  --ink: #1a2229;
  --muted: #56636b;
  --paper: #f6f4ee;
  --card: #fffdf8;
  --line: #d8d8d1;
  --accent: #b8412c;
  --accent-dark: #8a2a1c;
  --accent-soft: #f0a189;
  --navy: #14262f;
  --navy-2: #1d3440;
  --pale: #eaede7;
  --serif: Georgia, "Iowan Old Style", "Times New Roman", serif;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --measure: 66ch;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 1.5rem; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 1.0625rem; line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; }

a { color: var(--accent-dark); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--accent); text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.skip { position: absolute; left: 1rem; top: -5rem; background: #fff; color: var(--ink); padding: .5rem 1rem; z-index: 20; }
.skip:focus { top: 1rem; }

/* Reading progress: CSS scroll timeline where supported, invisible elsewhere */
.progress { display: none; }
@supports (animation-timeline: scroll()) {
  .progress { display: block; position: fixed; z-index: 10; inset: 0 0 auto 0; height: 4px; background: var(--accent); transform-origin: 0 50%; transform: scaleX(0); animation: grow linear both; animation-timeline: scroll(root); pointer-events: none; }
  @keyframes grow { to { transform: scaleX(1); } }
}

/* Header */
.site-header { background: var(--navy); color: #f6f2ea; }
.masthead { max-width: 1320px; margin: 0 auto; padding: 1.1rem var(--gutter); display: flex; justify-content: space-between; align-items: center; gap: 1rem; border-bottom: 1px solid #3c525d; font-size: .75rem; letter-spacing: .16em; text-transform: uppercase; font-weight: 700; }
.masthead a { color: inherit; text-decoration: none; }
.masthead .type { font-weight: 500; color: #b9c6c8; }
.hero { max-width: 1320px; margin: 0 auto; padding: clamp(3.5rem, 8vw, 7rem) var(--gutter) clamp(3.5rem, 6vw, 5.5rem); display: grid; grid-template-columns: minmax(0, 1fr) minmax(220px, 26%); gap: clamp(2rem, 6vw, 6rem); align-items: end; }
.eyebrow { margin: 0 0 1.3rem; color: var(--accent-soft); font-size: .75rem; line-height: 1.4; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
h1, h2, h3, .lede, .pullquote, .closing p { font-family: var(--serif); font-weight: 400; }
h1 { font-size: clamp(3.2rem, 7.4vw, 7.6rem); line-height: .96; letter-spacing: -.035em; margin: 0; max-width: 11ch; }
h1 em { color: var(--accent-soft); }
.deck { max-width: 36ch; margin: 1.8rem 0 0; font-family: var(--serif); font-style: italic; font-size: clamp(1.3rem, 2vw, 1.75rem); line-height: 1.35; color: #d7dfdf; }
.byline { margin: 1.6rem 0 0; font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: #b9c6c8; }
.hero-aside { border-top: 1px solid #6f8189; padding-top: 1rem; font-size: .98rem; line-height: 1.6; color: #c3cfd1; }
.hero-aside p { margin: 0; }
.hero-aside strong { display: block; color: #fff; font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; margin-bottom: .6rem; }

/* Layout */
.layout { max-width: 1320px; margin: 0 auto; display: grid; grid-template-columns: 200px minmax(0, 740px); gap: clamp(2.5rem, 7vw, 7rem); padding: 0 var(--gutter) 6rem; }
.rail { padding-top: 5rem; }
.rail-inner { position: sticky; top: 2rem; }
.label { font-size: .72rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.rail .label { color: var(--muted); margin: 0 0 1rem; }
.toc { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); counter-reset: toc; }
.toc li { counter-increment: toc; }
.toc a { display: flex; gap: .7rem; padding: .7rem 0; border-bottom: 1px solid var(--line); color: var(--muted); text-decoration: none; font-size: .92rem; line-height: 1.3; }
.toc a::before { content: counter(toc, decimal-leading-zero); color: var(--accent-dark); font-size: .72rem; font-weight: 700; padding-top: .12rem; }
.toc a:hover { color: var(--accent-dark); }

article { min-width: 0; }
.intro { padding: 5rem 0 3.5rem; }
.lede { font-size: clamp(1.45rem, 2.6vw, 2rem); line-height: 1.42; letter-spacing: -.02em; margin: 0 0 1.4rem; }
.intro p:not(.lede) { font-size: 1.12rem; color: var(--muted); }

section { padding: 3.4rem 0 2.6rem; border-top: 1px solid var(--line); }
.section-number { color: var(--accent-dark); margin: 0 0 1rem; }
h2 { font-size: clamp(2.3rem, 4.4vw, 4rem); line-height: 1.06; letter-spacing: -.03em; margin: 0 0 1.6rem; max-width: 16ch; }
h3 { font-size: 1.6rem; line-height: 1.2; letter-spacing: -.015em; margin: 2.6rem 0 .8rem; }
p, li { max-width: var(--measure); }
p { margin: 0 0 1.25rem; }
strong { font-weight: 700; }

/* Two economies */
.compare { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 2.2rem 0; }
.compare > div { background: var(--card); padding: 1.5rem 1.6rem 1.6rem; }
.compare .label { color: var(--accent-dark); }
.compare h3 { font-size: 1.55rem; margin: .5rem 0 .9rem; }
.compare dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: .45rem 1rem; font-size: .96rem; line-height: 1.45; }
.compare dt { color: var(--muted); font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; padding-top: .2rem; }
.compare dd { margin: 0; }

/* Capabilities */
.capabilities { list-style: none; padding: 0; margin: 2rem 0 2.2rem; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .65rem; }
.capabilities li { font-size: .95rem; line-height: 1.45; padding: .95rem 1.05rem; background: var(--card); border: 1px solid var(--line); border-top: 3px solid var(--accent); }
.capabilities strong { display: block; margin-bottom: .2rem; }

/* Patch-night log */
.log { margin: 2.2rem 0; background: var(--navy); color: #d9e2e2; border-radius: 4px; padding: 1.3rem 1.4rem 1.4rem; font-family: var(--mono); font-size: .88rem; line-height: 1.75; overflow-x: auto; }
.log .label { font-family: var(--sans); color: var(--accent-soft); margin: 0 0 .8rem; }
.log ol { list-style: none; margin: 0; padding: 0; }
.log li { max-width: none; display: grid; grid-template-columns: 3.6rem 1fr; }
.log time { color: #8fa4aa; }
.log .wait { color: #8fa4aa; }
.log .ok { color: #9fd3a8; }

.pullquote { font-size: clamp(1.75rem, 3.2vw, 2.6rem); line-height: 1.22; letter-spacing: -.02em; margin: 2.4rem 0 1.6rem; padding: .2rem 0 .2rem 1.4rem; border-left: 5px solid var(--accent); max-width: 20ch; }
.callout { margin: 2.3rem 0; padding: 1.25rem 1.45rem; background: var(--pale); border-left: 4px solid var(--accent); font-size: 1.08rem; line-height: 1.55; }
.callout p { margin: 0; font-weight: 600; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 2.2rem 0; }
.stat { background: var(--card); padding: 1.35rem 1.45rem 1.4rem; }
.stat b { display: block; font-family: var(--serif); font-weight: 400; font-size: clamp(2.1rem, 3.6vw, 2.8rem); line-height: 1; letter-spacing: -.03em; color: var(--accent-dark); margin-bottom: .6rem; }
.stat span { display: block; font-size: .93rem; line-height: 1.5; }
.stat cite { display: block; margin-top: .55rem; font-style: normal; color: var(--muted); font-size: .78rem; letter-spacing: .04em; }

.part { color: var(--accent-dark); margin: 3.2rem 0 0; padding-top: 1rem; border-top: 3px solid var(--accent); display: inline-block; }
.part + h3 { margin-top: .9rem; }
.big { font-family: var(--serif); font-size: clamp(1.7rem, 3.4vw, 2.6rem); line-height: 1.2; letter-spacing: -.02em; margin: 2rem 0; }

/* A dark day */
.darkday { margin: 2.4rem 0; background: var(--navy); color: #e6ecec; padding: 1.6rem clamp(1.1rem, 3vw, 2rem) 1rem; border-radius: 4px; }
.darkday > .label { color: var(--accent-soft); margin: 0 0 1.2rem; }
.darkday ol { list-style: none; margin: 0; padding: 0; }
.darkday li { max-width: none; display: grid; grid-template-columns: 6.2rem 1fr; gap: 1rem; padding: 1rem 0; border-top: 1px solid #34505c; }
.darkday time { font-family: var(--mono); font-size: .85rem; color: #9fb3b8; padding-top: .3rem; }
.darkday li > div > p:first-child { font-family: var(--serif); font-size: 1.22rem; line-height: 1.4; margin: 0 0 .5rem; color: #fff; }
.darkday .precedent { margin: 0; font-size: .9rem; line-height: 1.55; color: #b9c8cb; }
.darkday .precedent b { color: var(--accent-soft); font-weight: 700; }

.weapons { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 2rem 0 2.2rem; }
.weapons > div { background: var(--card); padding: 1.3rem 1.3rem 1.4rem; }
.weapons .label { color: var(--muted); margin: 0 0 .6rem; }
.weapons p:last-child { margin: 0; font-size: .98rem; line-height: 1.5; }
.weapons .now { background: var(--navy); color: #fff; }
.weapons .now .label { color: var(--accent-soft); }
.weapons .now p:last-child { font-family: var(--serif); font-size: 1.2rem; line-height: 1.35; }

/* The plan */
.plan { list-style: none; counter-reset: step; padding: 0; margin: 2.3rem 0; position: relative; }
.plan li { counter-increment: step; position: relative; padding: 0 0 1.9rem 3.6rem; max-width: none; }
.plan li::before { content: counter(step); position: absolute; left: 0; top: .1rem; width: 2.3rem; height: 2.3rem; border-radius: 50%; background: var(--navy); color: #fff; font-weight: 700; font-size: .95rem; display: grid; place-items: center; }
.plan li::after { content: ""; position: absolute; left: 1.13rem; top: 2.6rem; bottom: .3rem; width: 2px; background: var(--line); }
.plan li:last-child::after { display: none; }
.plan li:last-child::before { background: var(--accent); }
.plan .when { display: block; color: var(--accent-dark); margin-bottom: .1rem; }
.plan strong { display: block; font-size: 1.12rem; margin-bottom: .3rem; }
.plan p { margin: 0; color: #2f3b42; font-size: 1rem; line-height: 1.6; }

.guardrails { margin: 1rem 0 2rem; padding-left: 1.2rem; }
.guardrails li { margin-bottom: .6rem; }

.closing { background: var(--navy); color: #f6f2ea; padding: 2.4rem clamp(1.5rem, 5vw, 3.2rem); margin-top: 2.6rem; }
.closing p { font-size: clamp(1.45rem, 2.5vw, 2rem); line-height: 1.38; letter-spacing: -.015em; margin: 0 0 .8rem; max-width: 34ch; }
.closing p:last-child { margin: 0; color: var(--accent-soft); }

.sources { padding-top: 2.6rem; }
.sources h2 { font-family: var(--sans); font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; margin: 0 0 1rem; max-width: none; }
.sources ol { margin: 0; padding-left: 1.3rem; }
.sources li { font-size: .88rem; color: var(--muted); margin-bottom: .5rem; line-height: 1.5; }

footer { background: var(--navy); color: #bfcacc; padding: 1.4rem var(--gutter); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; }
footer div { max-width: 1320px; margin: 0 auto; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .hero-aside { max-width: 46ch; }
  .layout { display: block; }
  .rail { padding-top: 2rem; }
  .rail-inner { position: static; }
  .toc { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 1.2rem; border-top: 0; }
  .toc a { border-bottom: 1px solid var(--line); }
  .intro { padding-top: 3rem; }
}
@media (max-width: 600px) {
  body { font-size: 1.03rem; }
  .masthead .type { display: none; }
  .compare, .capabilities, .stats, .weapons { grid-template-columns: 1fr; }
  .darkday li { grid-template-columns: 1fr; gap: .3rem; }
  .darkday time { padding-top: 0; }
  .compare dl { grid-template-columns: 1fr; gap: .1rem; }
  .compare dd { margin-bottom: .55rem; }
  .log { font-size: .8rem; padding: 1.1rem; }
  .log li { grid-template-columns: 3.1rem 1fr; }
  .plan li { padding-left: 3.1rem; }
  section { padding: 2.8rem 0 2.2rem; }
  .layout { padding-bottom: 4rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  .site-header, .closing, footer { background: none; color: #000; }
  .hero { display: block; padding: 1rem 0 2rem; }
  .hero h1 em, .eyebrow, .deck, .byline, .hero-aside, .hero-aside strong, .closing p:last-child { color: #000; }
  .rail, .progress, .skip { display: none; }
  .layout { display: block; padding: 0; }
  .log, .darkday, .weapons .now { background: none; color: #000; border: 1px solid #999; }
  .darkday li > div > p:first-child, .darkday .precedent, .darkday .precedent b, .darkday time, .darkday > .label, .weapons .now .label { color: #000; }
  .log time, .log .wait, .log .ok { color: #000; }
  .closing { border: 1px solid #999; }
  section, .plan li, .stat, .capabilities li { break-inside: avoid; }
  a { color: #000; }
}