:root {
  --bg: #0b0e0c;
  --surface: #111612;
  --surface-2: #151b16;
  --text: #f0eee5;
  --text-soft: #c8cbc2;
  --muted: #8c948c;
  --accent: #79e6a2;
  --accent-deep: #4abf75;
  --line: #29312b;
  --line-strong: #3a463d;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: Inter, "Segoe UI", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, summary, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
::selection { background: var(--accent); color: var(--bg); }

body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: -1;
  background: linear-gradient(90deg, transparent calc(50% - .5px), rgba(121,230,162,.04) 50%, transparent calc(50% + .5px));
}

.shell { width: min(1456px, calc(100% - 96px)); margin-inline: auto; }
.site-header { height: 104px; width: min(1456px, calc(100% - 96px)); margin-inline: auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 14px; width: max-content; font: 700 11px/1 var(--mono); letter-spacing: .11em; }
.brand-mark { width: 31px; height: 31px; display: grid; place-items: center; border: 1px solid var(--line-strong); color: var(--accent); font-size: 10px; }
.site-header nav { display: flex; gap: 50px; }
.site-header nav a, .author-link { color: var(--text-soft); font: 500 10px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; transition: color .16s ease; }
.site-header nav a:hover, .author-link:hover { color: var(--accent); }
.author-link { justify-self: end; }

.hero { min-height: 750px; display: grid; grid-template-columns: minmax(0, 1fr) 355px; gap: 80px; padding: 66px 0 54px; }
.hero-copy { padding-top: 4px; animation: rise .62s both; }
.eyebrow { display: flex; align-items: center; gap: 13px; color: var(--accent); font: 600 10px/1.4 var(--mono); letter-spacing: .17em; text-transform: uppercase; }
.eyebrow > span { width: 34px; height: 1px; background: var(--accent); }
.hero h1 { max-width: 790px; margin: 39px 0 27px; font: 400 clamp(68px, 7.3vw, 112px)/.88 var(--serif); letter-spacing: -.055em; }
.hero h1 em, h2 em { display: block; color: var(--accent); font-weight: 400; }
.hero h1 em { font-size: .78em; letter-spacing: -.045em; }
.hero-lede { max-width: 750px; margin: 0; color: var(--text-soft); font: 400 19px/1.62 var(--sans); }
.hero-lede strong { color: var(--text); font-weight: 650; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 40px; }
.button { min-height: 54px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: space-between; gap: 42px; border: 1px solid var(--line-strong); font: 650 11px/1 var(--mono); letter-spacing: .01em; transition: transform .16s ease, background .16s ease, color .16s ease; }
.button-primary { min-width: 218px; background: var(--accent); border-color: var(--accent); color: var(--bg); }
.button-primary:hover { transform: translateY(-2px); background: transparent; color: var(--accent); }
.text-link { min-height: 38px; display: inline-flex; align-items: center; gap: 18px; border-bottom: 1px solid var(--line-strong); color: var(--text-soft); font: 600 11px/1 var(--mono); transition: color .16s ease, border-color .16s ease; }
.text-link:hover { color: var(--accent); border-color: var(--accent); }
.hero-stats { display: flex; gap: 0; margin: 62px 0 0; }
.hero-stats div { min-width: 155px; padding-right: 28px; margin-right: 28px; border-right: 1px solid var(--line); }
.hero-stats div:last-child { border: 0; }
.hero-stats dt { font: 400 30px/1 var(--serif); color: var(--text); }
.hero-stats dd { margin: 8px 0 0; color: var(--muted); font: 600 9px/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; }

.contents-index { align-self: stretch; padding-left: 39px; border-left: 1px solid var(--line); animation: rise .62s .09s both; }
.index-head { height: 35px; display: flex; justify-content: space-between; color: var(--muted); font: 600 9px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; }
.index-head span:last-child { color: var(--accent); }
.contents-index ol { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.contents-index li { min-height: 72px; display: grid; grid-template-columns: 40px 1fr 24px; align-items: center; border-bottom: 1px solid var(--line); transition: transform .16s ease, border-color .16s ease; }
.contents-index li:hover { transform: translateX(8px); border-color: var(--line-strong); }
.index-number, .index-count { color: var(--muted); font: 600 9px/1 var(--mono); }
.index-count { text-align: right; }
.index-title { font: 400 17px/1.2 var(--serif); }

.section-label { padding-top: 25px; border-top: 1px solid var(--line); color: var(--muted); font: 600 10px/1 var(--mono); letter-spacing: .15em; text-transform: uppercase; }
.section-label span { color: var(--accent); margin-right: 16px; }
.manifesto { padding: 120px 0 145px; }
.manifesto-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 110px; margin-top: 66px; }
.manifesto h2, .section-intro h2, .method h2, .roadmap h2, .ethics h2, .final-cta h2 { margin: 0; font: 400 clamp(46px, 5.1vw, 78px)/1.02 var(--serif); letter-spacing: -.035em; }
.manifesto h2 em { margin-top: 10px; }
.prose { padding-top: 4px; color: var(--text-soft); font: 400 17px/1.75 var(--sans); }
.prose p { margin: 0 0 25px; }
.prose .pull-quote { margin-top: 39px; padding: 23px 0 0 27px; border-left: 2px solid var(--accent); border-top: 1px solid var(--line); color: var(--text); font: 400 24px/1.35 var(--serif); }

.layers { padding: 0 0 145px; }
.section-intro { display: grid; grid-template-columns: 1.1fr .65fr; gap: 130px; margin: 63px 0 72px; align-items: end; }
.section-intro p, .method-head > p, .roadmap-head > p { margin: 0; color: var(--text-soft); font: 400 16px/1.7 var(--sans); }
.layer-list { border-top: 1px solid var(--line-strong); }
.layer { min-height: 145px; display: grid; grid-template-columns: 85px 270px 1fr; align-items: center; border-bottom: 1px solid var(--line); transition: background .18s ease, padding .18s ease; }
.layer:hover { background: var(--surface); padding-inline: 20px; }
.layer > span { color: var(--accent); font: 600 10px/1 var(--mono); }
.layer h3 { margin: 0; font: 400 30px/1 var(--serif); }
.layer p { max-width: 650px; margin: 0; color: var(--muted); font: 400 15px/1.6 var(--sans); }

.method { padding: 125px 0 140px; }
.method-head { display: grid; grid-template-columns: 1fr .55fr; gap: 110px; align-items: end; margin: 55px 0 70px; }
.display-number { margin: 0 0 -19px; color: var(--accent); font: 400 118px/.8 var(--serif); letter-spacing: -.07em; opacity: .95; }
.method h2 { max-width: 780px; font-size: clamp(40px, 4.1vw, 64px); }
.method-grid { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; padding: 0; border-top: 1px solid var(--line-strong); border-left: 1px solid var(--line); }
.method-grid li { min-height: 82px; padding: 0 24px; display: flex; align-items: center; gap: 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--text-soft); font: 500 14px/1.3 var(--sans); transition: background .16s ease, color .16s ease; }
.method-grid li:hover { background: var(--surface); color: var(--text); }
.method-grid li span { color: var(--accent); font: 600 9px/1 var(--mono); }
.method-flow { display: flex; align-items: center; margin-top: 48px; color: var(--text); font: 600 10px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; }
.method-flow i { height: 1px; flex: 1; margin: 0 25px; background: var(--line-strong); position: relative; }
.method-flow i::after { content: ""; width: 5px; height: 5px; border: 1px solid var(--accent); position: absolute; right: 0; top: -2px; transform: rotate(45deg); }

.readers { padding: 0 0 145px; }
.section-intro.compact { grid-template-columns: 1fr .7fr; }
.section-intro.compact h2 { font-size: clamp(42px, 4.2vw, 64px); }
.audience-table { border-top: 1px solid var(--line-strong); }
.audience-row { min-height: 82px; display: grid; grid-template-columns: 1fr 1.45fr .85fr; gap: 35px; align-items: center; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.audience-row strong { color: var(--text); font: 400 19px/1.25 var(--serif); }
.audience-row code { color: var(--accent); font: 500 10px/1.4 var(--mono); }
.audience-head { min-height: 50px; color: var(--muted); font: 600 9px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; }

.roadmap { padding: 125px 0 145px; }
.roadmap-head { display: grid; grid-template-columns: 1fr .58fr; gap: 120px; align-items: end; margin: 60px 0 72px; }
.roadmap-list { border-top: 1px solid var(--line-strong); }
.roadmap details { border-bottom: 1px solid var(--line); }
.roadmap summary { min-height: 92px; list-style: none; cursor: pointer; display: grid; grid-template-columns: 60px 1fr 90px 25px; align-items: center; gap: 18px; }
.roadmap summary::-webkit-details-marker { display: none; }
.roadmap summary > span { color: var(--accent); font: 600 10px/1 var(--mono); }
.roadmap summary strong { font: 400 24px/1.2 var(--serif); }
.roadmap summary small { color: var(--muted); font: 600 9px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.roadmap summary i { font: 400 25px/1 var(--serif); color: var(--accent); font-style: normal; transition: transform .18s ease; }
.roadmap details[open] summary i { transform: rotate(45deg); }
.roadmap details ol { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; margin: 0 0 32px 60px; padding: 0; counter-reset: chapter; }
.roadmap details li { counter-increment: chapter; min-height: 48px; padding: 15px 25px 15px 0; border-top: 1px solid var(--line); color: var(--text-soft); font-size: 14px; }
.roadmap details li::before { content: counter(chapter, decimal-leading-zero); color: var(--muted); margin-right: 14px; font: 500 9px/1 var(--mono); }

.ethics { margin-bottom: 145px; padding: 52px; display: grid; grid-template-columns: 70px .7fr 1fr; gap: 40px; align-items: start; border: 1px solid var(--line-strong); background: var(--surface); }
.ethics-mark { width: 52px; height: 52px; display: grid; place-items: center; border: 1px solid var(--accent); color: var(--accent); font: 400 30px/1 var(--serif); }
.ethics .eyebrow { margin: 3px 0 24px; }
.ethics h2 { font-size: clamp(38px, 4vw, 60px); }
.ethics-copy { color: var(--text-soft); font-size: 15px; line-height: 1.7; }
.ethics-copy p { margin: 0 0 20px; }

.final-cta { padding: 118px 0 135px; text-align: center; border-top: 1px solid var(--line); }
.final-cta .eyebrow { justify-content: center; }
.final-cta h2 { margin: 43px auto 30px; font-size: clamp(55px, 6.7vw, 100px); line-height: .95; }
.final-cta > p:not(.eyebrow) { max-width: 630px; margin: 0 auto; color: var(--text-soft); font-size: 17px; line-height: 1.7; }
.hero-actions.centered { justify-content: center; }
.site-footer { min-height: 120px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-top: 1px solid var(--line); color: var(--muted); font: 500 9px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.site-footer > a:last-child { justify-self: end; color: var(--text-soft); }

@keyframes rise { from { opacity: 0; transform: translateY(13px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 1100px) {
  .shell, .site-header { width: min(100% - 48px, 920px); }
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .contents-index { padding-left: 0; border-left: 0; }
  .manifesto-grid, .section-intro, .method-head, .roadmap-head { grid-template-columns: 1fr; gap: 45px; }
  .section-intro, .roadmap-head { align-items: start; }
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .ethics { grid-template-columns: 60px 1fr; }
  .ethics-copy { grid-column: 2; }
}

@media (max-width: 720px) {
  .shell, .site-header { width: calc(100% - 36px); }
  .site-header { height: 80px; }
  .author-link { display: none; }
  .hero { padding-top: 46px; gap: 58px; }
  .hero h1 { font-size: clamp(58px, 18vw, 82px); }
  .hero-lede { font-size: 17px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .text-link { width: max-content; }
  .hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); }
  .hero-stats div { min-width: 0; padding-right: 10px; margin-right: 10px; }
  .hero-stats dd { font-size: 8px; }
  .manifesto, .method, .roadmap { padding-block: 90px; }
  .layers, .readers { padding-bottom: 90px; }
  .manifesto-grid { margin-top: 45px; gap: 40px; }
  .manifesto h2, .section-intro h2, .method h2, .roadmap h2, .final-cta h2 { font-size: 44px; }
  .layer { grid-template-columns: 42px 1fr; padding: 24px 0; }
  .layer p { grid-column: 2; margin-top: 14px; }
  .method-grid { grid-template-columns: 1fr; }
  .method-flow { display: grid; grid-template-columns: 1fr; gap: 15px; }
  .method-flow i { width: 1px; height: 25px; margin: 0 0 0 4px; }
  .audience-head { display: none; }
  .audience-row { grid-template-columns: 1fr; gap: 8px; padding: 22px 0; }
  .roadmap summary { grid-template-columns: 38px 1fr 20px; }
  .roadmap summary small { display: none; }
  .roadmap summary strong { font-size: 19px; }
  .roadmap details ol { grid-template-columns: 1fr; margin-left: 38px; }
  .ethics { width: calc(100% - 36px); padding: 28px; grid-template-columns: 1fr; }
  .ethics-copy { grid-column: 1; }
  .final-cta { padding-block: 90px; }
  .hero-actions.centered { align-items: center; }
  .site-footer { grid-template-columns: 1fr auto; gap: 20px; }
  .site-footer p { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}