:root {
  --paper: #f4efe4;
  --paper-deep: #e9dfcd;
  --ink: #112c43;
  --ink-soft: #365064;
  --orange: #c85f17;
  --aqua: #64c7c1;
  --yellow: #e5bc4a;
  --rose: #d37b67;
  --rule: rgba(17, 44, 67, 0.2);
  --serif: "Libre Caslon Text", Georgia, serif;
  --sans: "DM Sans", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(17, 44, 67, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 44, 67, 0.025) 1px, transparent 1px),
    var(--paper);
  background-size: 28px 28px;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
}

a { color: inherit; }
button { font: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: var(--ink); color: white; padding: .7rem 1rem; }
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  padding: 0 4vw;
  border-bottom: 1px solid var(--rule);
  background: rgba(244, 239, 228, .94);
  backdrop-filter: blur(12px);
}
.brand { display: flex; align-items: baseline; gap: 1rem; text-decoration: none; }
.brand-owner { text-transform: uppercase; letter-spacing: .16em; font-weight: 700; font-size: .79rem; }
.brand-series { font-family: var(--serif); font-style: italic; font-size: .95rem; color: var(--ink-soft); }
.site-nav { display: flex; align-items: center; gap: 2rem; }
.site-nav a { font-size: .84rem; text-decoration: none; font-weight: 600; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--orange); }
.site-nav .nav-tool {
  padding: .55rem .8rem;
  border: 1px solid var(--orange);
  color: var(--orange);
}
.site-nav .nav-tool:hover, .site-nav .nav-tool:focus-visible { background: var(--orange); color: white; }
.nav-return { border-left: 1px solid var(--rule); padding-left: 2rem; }
.menu-button { display: none; border: 0; background: none; color: var(--ink); font-weight: 600; }

.hero {
  min-height: calc(100vh - 82px);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(350px, .85fr);
  align-items: center;
  gap: 7vw;
  padding: 8vw max(6vw, 42px);
  overflow: hidden;
}
.eyebrow, .section-index, .lab-label {
  margin: 0 0 1.4rem;
  color: var(--orange);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .17em;
  text-transform: uppercase;
}
.hero h1 {
  max-width: 920px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.4rem, 6.8vw, 7.4rem);
  font-weight: 400;
  line-height: .99;
  letter-spacing: -.055em;
}
.hero-intro { max-width: 740px; margin: 2.2rem 0 0; color: var(--ink-soft); font-family: var(--serif); font-size: clamp(1.1rem, 1.7vw, 1.5rem); line-height: 1.55; }
.hero-actions { display: flex; align-items: center; gap: 2rem; margin-top: 2.4rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .8rem 1.25rem; text-decoration: none; font-weight: 700; font-size: .87rem; }
.button-primary { color: #fff; background: var(--ink); }
.button-primary:hover, .button-primary:focus-visible { background: var(--orange); }
.button-tool { gap: .7rem; border: 1px solid var(--ink); background: transparent; }
.button-tool span { color: var(--orange); }
.button-tool:hover, .button-tool:focus-visible { border-color: var(--orange); color: var(--orange); }
.text-link { font-weight: 700; font-size: .88rem; text-underline-offset: 5px; text-decoration-thickness: 1px; }
.text-link span { color: var(--orange); }

.hero-system { align-self: stretch; display: flex; flex-direction: column; justify-content: center; align-items: center; border-left: 1px solid var(--rule); }
.hero-system > p { margin: 2.5rem 0 0; color: var(--ink-soft); font-family: var(--serif); font-size: .88rem; font-style: italic; }
.system-orbit {
  position: relative;
  width: min(36vw, 470px);
  aspect-ratio: 1;
  animation: orbit-system 38s linear infinite;
  transform-origin: 50% 50%;
}
.orbit-ring { position: absolute; inset: 16%; border: 1px solid rgba(17,44,67,.25); border-radius: 50%; }
.orbit-ring-two { inset: 31%; border-style: dashed; }
.system-centre { position: absolute; inset: 50% auto auto 50%; translate: -50% -50%; display: grid; place-items: center; width: 92px; aspect-ratio: 1; border-radius: 50%; background: var(--ink); color: white; font-family: var(--serif); font-style: italic; }
.system-node { position: absolute; display: grid; place-items: center; width: 76px; aspect-ratio: 1; border: 1px solid var(--ink); border-radius: 50%; background: var(--paper); font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.system-node, .system-centre { animation: orbit-labels 38s linear infinite; transform-origin: 50% 50%; }
.hero-system:hover .system-orbit, .hero-system:hover .system-node, .hero-system:hover .system-centre { animation-play-state: paused; }
@keyframes orbit-system { to { transform: rotate(360deg); } }
@keyframes orbit-labels { to { transform: rotate(-360deg); } }
.node-self { top: 1%; left: 50%; translate: -50% 0; }
.node-bond { top: 25%; right: 3%; border-color: var(--orange); }
.node-family { bottom: 12%; right: 12%; border-color: var(--rose); }
.node-venture { bottom: 1%; left: 50%; translate: -50% 0; border-color: var(--yellow); }
.node-state { bottom: 12%; left: 12%; border-color: var(--aqua); }
.node-future { top: 25%; left: 3%; }

.manifesto, .author {
  display: grid;
  grid-template-columns: minmax(180px, .32fr) 1fr;
  gap: 5vw;
  padding: 8rem max(6vw, 42px);
  background: var(--ink);
  color: white;
}
.manifesto .section-index, .author .section-index { color: var(--aqua); }
.manifesto h2, .author h2, .section-heading h2, .method h2, .labs h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.25rem, 4.5vw, 5rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -.045em;
}
.manifesto-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 4vw; margin-top: 3.6rem; color: #d6e1e8; }
.manifesto-columns p { margin: 0; }

.books, .labs { padding: 8rem max(6vw, 42px); }
.section-heading { display: grid; grid-template-columns: .32fr 1fr .65fr; column-gap: 5vw; align-items: end; margin-bottom: 5rem; }
.section-heading .section-index { align-self: start; }
.section-heading > p:last-child { margin: 0; color: var(--ink-soft); }
.book-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.book-row { display: grid; grid-template-columns: 60px 80px minmax(0, 1fr); gap: 2.5rem; padding: 3.2rem 0; border-bottom: 1px solid var(--rule); }
.book-number { font-family: var(--serif); font-size: .9rem; color: var(--orange); }
.book-spine { width: 76px; height: 218px; display: flex; justify-content: center; align-items: flex-start; padding-top: 1.1rem; box-shadow: 8px 10px 0 rgba(17,44,67,.08); }
.book-spine span { writing-mode: vertical-rl; transform: rotate(180deg); color: white; font-size: .65rem; font-weight: 700; letter-spacing: .18em; }
.love-spine { background: linear-gradient(160deg, #16334b 60%, #ce671e 60%); }
.greatness-spine { background: linear-gradient(160deg, #1c463c 60%, #e0a737 60%); }
.parenting-spine { background: linear-gradient(160deg, #7b3e39 60%, #dda05e 60%); }
.sovereign-spine { background: linear-gradient(160deg, #132431 60%, #5aa3a0 60%); }
.venture-spine { background: linear-gradient(160deg, #493a5c 60%, #ca6e4a 60%); }
.book-copy { max-width: 900px; }
.book-copy h3 { margin: .4rem 0 .2rem; font-family: var(--serif); font-size: clamp(2rem, 3.5vw, 4rem); font-weight: 400; letter-spacing: -.04em; line-height: 1.08; }
.book-copy > p:last-of-type { max-width: 760px; color: var(--ink-soft); }
.book-status { margin: 0; text-transform: uppercase; letter-spacing: .12em; font-size: .66rem; font-weight: 700; }
.book-status span { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: var(--orange); }
.status-early span { background: var(--yellow); }
.status-planned span { background: var(--ink-soft); }
.book-subtitle { margin: 0; font-family: var(--serif); font-style: italic; color: var(--orange) !important; }
.book-link { display: inline-block; margin-top: .6rem; font-weight: 700; font-size: .82rem; text-underline-offset: 5px; }
.book-link span { color: var(--orange); }

.method { padding: 8rem max(6vw, 42px); background: var(--paper-deep); }
.method-title { display: grid; grid-template-columns: .32fr 1fr; gap: 5vw; margin-bottom: 5rem; }
.method-rail { display: grid; grid-template-columns: repeat(7, 1fr); border-top: 1px solid var(--ink); }
.method-rail > div { position: relative; min-height: 220px; padding: 1.3rem 1.1rem; border-right: 1px solid var(--rule); }
.method-rail > div:last-child { border-right: 0; }
.method-rail b { display: block; color: var(--orange); font-size: .7rem; }
.method-rail span { display: block; margin-top: 2.4rem; font-family: var(--serif); font-size: 1.2rem; }
.method-rail p { font-size: .76rem; color: var(--ink-soft); line-height: 1.5; }
.method-rail .next-cycle { background: var(--ink); color: white; }
.method-rail .next-cycle p { color: #d6e1e8; }
.cycle-principle {
  display: grid;
  grid-template-columns: 74px minmax(0, 760px);
  gap: 1.5rem;
  align-items: start;
  margin: 2.8rem 0 0 auto;
  max-width: 930px;
}
.cycle-principle span {
  display: grid;
  place-items: center;
  width: 58px;
  aspect-ratio: 1;
  border: 1px solid var(--orange);
  border-radius: 50%;
  color: var(--orange);
  font-size: 1.8rem;
}
.cycle-principle p { margin: 0; color: var(--ink-soft); font-family: var(--serif); font-size: 1.05rem; }

.labs { background: #edf1ed; }
.labs-heading { align-items: start; }
.tool-feature {
  display: grid;
  grid-template-columns: minmax(300px, .9fr) minmax(0, 1.1fr);
  min-height: 560px;
  border: 1px solid rgba(17,44,67,.28);
  background: var(--paper);
  box-shadow: 16px 16px 0 rgba(17,44,67,.07);
  text-decoration: none;
  transition: translate .22s ease, box-shadow .22s ease;
}
.tool-feature:hover, .tool-feature:focus-visible { translate: 0 -6px; box-shadow: 16px 22px 0 rgba(17,44,67,.09); outline: 2px solid var(--orange); outline-offset: 5px; }
.tool-visual {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  min-height: 560px;
  border-right: 1px solid var(--ink);
  background: var(--ink);
}
.tool-quadrant { display: flex; align-items: flex-end; padding: 1.5rem; color: var(--ink); font-size: .68rem; font-weight: 700; }
.tq1 { background: #f6ecd0; }
.tq2 { background: #deeeea; }
.tq3 { background: #e6e9dc; }
.tq4 { background: #f1dfd7; }
.tool-axis { position: absolute; z-index: 2; background: var(--ink); }
.tool-axis-horizontal { top: 50%; left: 0; right: 0; height: 1px; }
.tool-axis-vertical { top: 0; bottom: 0; left: 50%; width: 1px; }
.tool-person { position: absolute; z-index: 3; display: grid; place-items: center; width: 54px; aspect-ratio: 1; border: 3px solid var(--paper); border-radius: 50%; color: white; font-weight: 700; box-shadow: 0 6px 18px rgba(17,44,67,.2); }
.tool-person-a { top: 29%; left: 34%; background: var(--orange); }
.tool-person-b { top: 59%; left: 67%; background: #2e8e8b; }
.tool-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(3rem, 7vw, 7rem); }
.tool-status, .tool-series { margin: 0; text-transform: uppercase; letter-spacing: .14em; font-size: .66rem; font-weight: 700; }
.tool-status { color: var(--orange); }
.tool-status span { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: var(--aqua); }
.tool-series { margin-top: 2.3rem; color: var(--ink-soft); }
.tool-copy h3 { margin: .45rem 0 1.2rem; font-family: var(--serif); font-size: clamp(2.5rem, 5vw, 5.4rem); font-weight: 400; line-height: 1; letter-spacing: -.05em; }
.tool-copy > p:not(.tool-status):not(.tool-series) { max-width: 650px; color: var(--ink-soft); font-family: var(--serif); font-size: 1.08rem; }
.tool-copy ul { display: flex; flex-wrap: wrap; gap: .55rem; margin: 1.6rem 0 0; padding: 0; list-style: none; }
.tool-copy li { padding: .45rem .7rem; border: 1px solid var(--rule); font-size: .66rem; }
.tool-action { align-self: flex-start; margin-top: 2rem; padding-bottom: .3rem; border-bottom: 1px solid var(--ink); font-weight: 700; font-size: .84rem; }
.tool-action b { margin-left: .5rem; color: var(--orange); }
.tool-roadmap { display: flex; justify-content: space-between; gap: 2rem; margin-top: 3.5rem; padding-top: 1.4rem; border-top: 1px solid var(--rule); color: var(--ink-soft); font-size: .78rem; }
.tool-roadmap p { margin: 0; }
.tool-roadmap a { font-weight: 700; text-underline-offset: 4px; }

.author { grid-template-columns: .32fr 1fr; align-items: center; }
.author-mark { width: min(220px, 20vw); aspect-ratio: 1; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; color: var(--aqua); font-family: var(--serif); font-size: clamp(2rem, 5vw, 4.8rem); font-style: italic; }
.author > div:last-child { max-width: 840px; }
.author p:not(.section-index) { color: #d6e1e8; }
.author .text-link { display: inline-block; margin-top: 1rem; }

.site-footer { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: end; gap: 2rem; padding: 3.5rem max(6vw, 42px); border-top: 1px solid var(--rule); background: var(--paper); font-size: .75rem; }
.site-footer p { margin: .2rem 0 0; }
.site-footer > p { text-align: center; color: var(--ink-soft); }
.site-footer > a { text-align: right; text-underline-offset: 4px; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 7rem; }
  .hero-system { min-height: 550px; border-left: 0; border-top: 1px solid var(--rule); }
  .system-orbit { width: min(75vw, 470px); }
  .section-heading { grid-template-columns: .32fr 1fr; }
  .section-heading > p:last-child { grid-column: 2; margin-top: 1.5rem; }
  .method-rail { grid-template-columns: repeat(4, 1fr); }
  .method-rail > div { border-bottom: 1px solid var(--rule); }
}

@media (max-width: 760px) {
  .site-header { min-height: 72px; padding: 0 22px; }
  .brand-series { display: none; }
  .menu-button { display: flex; align-items: center; gap: .7rem; cursor: pointer; }
  .menu-button i, .menu-button i::after { display: block; width: 18px; height: 1px; background: var(--ink); content: ""; }
  .menu-button i::after { transform: translateY(5px); }
  .site-nav { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: flex-start; gap: 0; padding: 1rem 22px 2rem; border-bottom: 1px solid var(--rule); background: var(--paper); }
  .site-nav.open { display: flex; }
  .site-nav a { width: 100%; padding: .9rem 0; border-bottom: 1px solid var(--rule); }
  .nav-return { border-left: 0; }
  .hero, .books, .labs, .method, .manifesto, .author { padding-left: 22px; padding-right: 22px; }
  .hero { padding-top: 5rem; padding-bottom: 5rem; }
  .hero h1 { font-size: clamp(3.2rem, 15vw, 5.5rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 1.2rem; }
  .hero-system { min-height: 430px; }
  .manifesto, .author, .method-title { grid-template-columns: 1fr; }
  .manifesto-columns { grid-template-columns: 1fr; }
  .section-heading { display: block; }
  .section-heading h2 { margin-bottom: 1.5rem; }
  .section-heading > p:last-child { margin-top: 0; }
  .book-row { grid-template-columns: 38px 50px minmax(0, 1fr); gap: 1rem; padding: 2.5rem 0; }
  .book-spine { width: 46px; height: 190px; }
  .method-rail { grid-template-columns: 1fr 1fr; }
  .method-rail > div { min-height: 170px; }
  .cycle-principle { grid-template-columns: 48px 1fr; gap: 1rem; }
  .cycle-principle span { width: 42px; font-size: 1.3rem; }
  .site-nav .nav-tool { margin-top: .6rem; padding-left: .8rem; }
  .tool-feature { grid-template-columns: 1fr; }
  .tool-visual { min-height: min(82vw, 460px); border-right: 0; border-bottom: 1px solid var(--ink); }
  .tool-copy { padding: 3rem 1.5rem; }
  .tool-roadmap { align-items: flex-start; flex-direction: column; }
  .author-mark { width: 150px; }
  .site-footer { grid-template-columns: 1fr; align-items: start; }
  .site-footer > p, .site-footer > a { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .system-orbit, .system-node, .system-centre { animation: none; }
  .tool-feature { transition: none; }
}