@charset "UTF-8";

:root {
  color-scheme: light;
  --paper: #f4f3ed;
  --ink: #242a24;
  --muted: #62685d;
  --line: #d9dbcf;
  --accent: #bb4b27;
  --green: #283c31;
  --serif: Georgia, "Times New Roman", serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Arial, Helvetica, sans-serif; -webkit-font-smoothing: antialiased; }
button, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
button, a, summary { touch-action: manipulation; }
button:focus-visible, a:focus-visible, summary:focus-visible, textarea:focus-visible { outline: 3px solid var(--accent); outline-offset: 6px; }
::selection { background: #e6bb91; color: #1f2b23; }
h1, h2, h3, p { margin: 0; }
svg { display: block; }
.container { width: min(1320px, calc(100% - 112px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: 10px; left: 10px; padding: 14px 20px; background: var(--ink); color: white; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.eyebrow { font-family: var(--mono); font-size: 11px; line-height: 1.5; text-transform: uppercase; letter-spacing: 1.4px; display: flex; align-items: center; gap: 12px; }
.status-dot { display: inline-block; width: 6px; height: 6px; flex: 0 0 6px; background: var(--accent); border-radius: 50%; }
.section-number { color: var(--muted); margin-bottom: 31px; }
.section-number > span { color: var(--accent); margin-right: 6px; }
.section-space { padding-block: 112px; }
h2 { font-size: clamp(36px, 4.4vw, 62px); line-height: 1.09; font-weight: 400; letter-spacing: -2.4px; }
h2 em { font-family: var(--serif); font-weight: 400; letter-spacing: -2.5px; }

.site-header { height: 98px; border-bottom: 1px solid var(--line); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 32px; font-weight: 700; letter-spacing: -1.8px; }
.brand-mark { width: 28px; height: 32px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.brand-dot { color: var(--accent); }
.desktop-nav { display: flex; gap: 36px; font-size: 13px; padding-left: 90px; }
.desktop-nav a { padding: 12px 0; position: relative; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; bottom: 4px; width: 100%; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform 180ms; }
.desktop-nav a:hover::after { transform: scaleX(1); }
.header-cta { display: inline-flex; gap: 26px; align-items: center; font-size: 13px; border-bottom: 1px solid var(--ink); padding-block: 11px; }
.header-cta span { font-size: 21px; }

.hero { display: grid; grid-template-columns: 1.03fr 1fr; align-items: center; gap: 4%; padding-top: 66px; padding-bottom: 57px; min-height: 738px; }
.hero-copy { padding-bottom: 12px; }
.hero h1 { font-size: clamp(60px, 6.6vw, 96px); line-height: 1.01; font-weight: 400; letter-spacing: -5.8px; margin-top: 31px; }
.hero h1 em { color: var(--accent); font-family: var(--serif); font-weight: 400; letter-spacing: -5px; }
.hero-intro { font-size: 18px; line-height: 1.65; margin-top: 26px; color: var(--muted); }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; border: 1px solid transparent; padding: 16px 23px; font-size: 13px; line-height: 1.3; transition: background 180ms, transform 180ms; }
.button span { font-size: 21px; line-height: 1; }
.button:hover { transform: translateY(-2px); }
.button-dark { color: var(--paper); background: var(--ink); }
.button-dark:hover { background: #3f4e3f; }
.hero .button { margin-top: 30px; }
.hero-note { font-size: 11px; color: var(--muted); margin-top: 17px; letter-spacing: .15px; }

.model-panel { position: relative; align-self: stretch; margin-top: 6px; display: flex; flex-direction: column; justify-content: center; }
.model-toolbar { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid #c7cbbb; padding-top: 14px; }
.micro-label { font-family: var(--mono); font-size: 9px; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); }
.crosshair { font: 19px var(--mono); color: #7e8778; }
.model-stage { position: relative; margin-top: -3px; }
.model-stage > svg { width: 100%; overflow: visible; }
.model-index { font: 8px var(--mono); letter-spacing: .9px; position: absolute; bottom: 20px; right: 6px; color: #707767; }
.model-bottom { display: flex; flex-direction: column; align-items: center; gap: 15px; margin-top: -1px; }
.view-switch { display: flex; gap: 4px; border: 1px solid #c9cebd; padding: 4px; border-radius: 3px; }
.view-switch button { min-height: 35px; border: 0; background: transparent; padding: 7px 16px; font-size: 11px; color: var(--muted); transition: background 180ms, color 180ms; border-radius: 1px; }
.view-switch button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.view-switch button:hover:not([aria-pressed="true"]) { background: #e4e6db; color: var(--ink); }
.view-switch button span { margin-left: 8px; }
.model-caption { font-size: 11px; color: var(--muted); text-align: center; }
.illustration-note { font: 8px var(--mono); color: #737b6c; text-align: center; margin-top: 9px; }
.knowledge-links { opacity: 0; transition: opacity 300ms 100ms; }
.diagram-labels { font: 10px var(--mono); letter-spacing: .8px; }
.axis-labels { font: 10px var(--mono); }
.model-layer { transition: transform 800ms cubic-bezier(.22,.7,.16,1); }
.model-panel[data-view="knowledge"] .knowledge-links { opacity: 1; }
.model-panel[data-view="knowledge"] .model-layer-top { transform: translateY(-74px); }
.model-panel[data-view="knowledge"] .model-layer-middle { transform: translateY(-35px); }
.model-panel[data-view="knowledge"] .model-layer-base { transform: translateY(36px); }
.model-panel[data-view="knowledge"] .model-layer-bottom { transform: translateY(50px); }
.model-panel[data-view="knowledge"] .reference-guides { opacity: .55; }
.model-panel[data-view="knowledge"] .knowledge-accent { stroke: var(--accent); }

.belief-strip { border-block: 1px solid var(--line); }
.belief-inner { display: flex; justify-content: space-between; gap: 30px; align-items: center; padding-block: 23px; }
.belief-inner p { font-size: 14px; }
.belief-inner > span { display: flex; align-items: center; gap: 24px; font: 10px var(--mono); letter-spacing: 1px; text-transform: uppercase; color: var(--muted); }
.belief-inner i { font-style: normal; color: #abb09e; }

.idea-section { display: grid; grid-template-columns: 1fr 1fr; gap: 38px 7%; }
.idea-copy { padding-top: 47px; max-width: 540px; }
.idea-copy > p { font-size: 16px; line-height: 1.8; color: var(--muted); }
.idea-copy > p + p { margin-top: 20px; }
.idea-copy > .large-copy { font-size: 23px; color: var(--ink); line-height: 1.55; letter-spacing: -.45px; margin-bottom: 28px; }
.idea-footnote { grid-column: 1 / -1; padding-top: 25px; border-top: 1px solid var(--line); color: var(--muted); font: 11px var(--mono); letter-spacing: .1px; display: flex; align-items: center; gap: 18px; }
.idea-footnote span { color: var(--accent); font-size: 23px; }

.principle-section { background: var(--green); color: var(--paper); }
.principle-heading { display: flex; align-items: end; gap: 70px; justify-content: space-between; }
.principle-heading .section-number { color: #c0c9ba; }
.principle-heading .section-number > span { color: #e79976; }
.principle-heading h2 em { color: #d8dfb9; }
.principle-heading > p { max-width: 330px; color: #c0c9ba; font-size: 16px; line-height: 1.8; margin-bottom: 4px; }
.principle-flow { display: grid; grid-template-columns: 1fr 30px 1fr 30px 1fr; gap: 30px; border-top: 1px solid #546356; margin-top: 57px; padding-top: 31px; }
.step-visual { height: 135px; color: #c7d3b5; display: flex; align-items: start; }
.step-visual svg { width: 158px; height: 110px; }
.step-index { font: 9px var(--mono); letter-spacing: .7px; color: #b4c1ac; text-transform: uppercase; }
.flow-step h3 { font-size: 24px; font-weight: 400; margin-block: 20px 15px; letter-spacing: -.7px; line-height: 1.2; }
.flow-step > p:last-child { font-size: 14px; line-height: 1.8; color: #c0c9ba; max-width: 310px; }
.flow-arrow { font-size: 32px; color: #9dad8e; margin-top: 39px; }
.principle-closing { border-top: 1px solid #546356; padding-top: 25px; margin-top: 43px; font: 10px var(--mono); color: #c3cdbb; display: flex; align-items: center; gap: 12px; }
.principle-closing .status-dot { background: #e79976; }

.perspective-section { display: grid; grid-template-columns: .9fr 1fr; gap: 9%; }
.perspective-intro > p:not(.eyebrow) { color: var(--muted); font-size: 16px; line-height: 1.8; margin-top: 29px; }
.perspective-list { padding-top: 26px; }
.perspective-list article { display: flex; gap: 21px; padding-block: 31px; border-top: 1px solid var(--line); }
.perspective-list article:last-child { border-bottom: 1px solid var(--line); }
.list-number { font: 10px var(--mono); color: var(--accent); padding-top: 6px; }
.perspective-list h3 { font-weight: 400; font-size: 25px; letter-spacing: -.8px; margin-bottom: 13px; }
.perspective-list p { color: var(--muted); font-size: 14px; line-height: 1.8; max-width: 380px; }
.list-arrow { margin-left: auto; font-size: 24px; padding-left: 13px; color: #78826d; }
.perspective-orbit { height: 112px; width: 180px; position: relative; margin-top: 42px; }
.perspective-orbit span { position: absolute; width: 90px; height: 90px; border: 1px solid #b9bfad; border-radius: 50%; top: 12px; }
.perspective-orbit span:nth-child(1) { left: 0; }
.perspective-orbit span:nth-child(2) { left: 33px; }
.perspective-orbit span:nth-child(3) { left: 66px; }
.perspective-orbit i { position: absolute; top: 34px; left: 64px; color: var(--accent); font-size: 38px; font-style: normal; }

.questions-section { border-top: 1px solid var(--line); padding-block: 69px 109px; display: grid; grid-template-columns: .9fr 1fr; gap: 9%; }
.questions-section .eyebrow { color: var(--muted); margin-bottom: 25px; }
.questions-section h2 { font-size: 42px; letter-spacing: -1.4px; }
.questions details { border-bottom: 1px solid var(--line); }
.questions details:first-child { border-top: 1px solid var(--line); }
.questions summary { padding-block: 24px; font-size: 16px; line-height: 1.6; cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.questions summary::-webkit-details-marker { display: none; }
.questions summary > span { position: relative; width: 16px; height: 16px; flex-shrink: 0; }
.questions summary > span::before, .questions summary > span::after { content: ""; position: absolute; background: var(--accent); width: 12px; height: 1px; top: 8px; left: 2px; }
.questions summary > span::after { transform: rotate(90deg); transition: transform 160ms; }
.questions details[open] summary > span::after { transform: rotate(0); }
.questions details > p { font-size: 14px; line-height: 1.85; color: var(--muted); padding: 0 28px 25px 0; }

.closing-section { background: #e6e9d8; overflow: hidden; }
.closing-inner { padding-block: 87px 67px; position: relative; }
.closing-inner .eyebrow { margin-bottom: 30px; }
.closing-inner h2 { font-size: clamp(42px, 5.6vw, 80px); line-height: 1.05; letter-spacing: -3.8px; position: relative; z-index: 1; }
.closing-inner h2 em { color: var(--accent); letter-spacing: -3.2px; }
.closing-inner > p:not(.eyebrow):not(.copy-status) { font-size: 16px; color: #59634f; margin-top: 25px; line-height: 1.8; position: relative; z-index: 1; }
.closing-inner .button { margin-top: 27px; position: relative; z-index: 1; }
.copy-status { min-height: 20px; padding-top: 12px; font-size: 12px; color: #405238; position: relative; z-index: 1; }
.closing-decoration { font-family: Arial, sans-serif; font-size: 450px; position: absolute; right: 0; top: 8px; color: #ccd1bb; line-height: 1; font-weight: 400; pointer-events: none; }
.copy-fallback { position: relative; z-index: 1; max-width: 470px; margin-top: 16px; }
.copy-fallback label { display: block; margin-bottom: 8px; font-size: 12px; }
.copy-fallback textarea { width: 100%; border: 1px solid #9da98f; border-radius: 0; background: var(--paper); color: var(--ink); padding: 14px; font-size: 14px; line-height: 1.6; resize: vertical; }
.site-footer { min-height: 124px; display: flex; align-items: center; justify-content: space-between; gap: 25px; }
.site-footer .brand { font-size: 27px; }
.site-footer .brand-mark { width: 24px; height: 27px; }
.site-footer p { font-size: 12px; color: var(--muted); margin-right: auto; margin-left: 25px; }
.back-to-top { font-size: 11px; display: inline-flex; align-items: center; gap: 30px; padding-block: 15px; }
.back-to-top span { font-size: 20px; }

@media (min-width: 1550px) {
  .hero { min-height: 800px; }
  .hero h1 { font-size: 104px; }
}

@media (max-width: 1150px) {
  .container { width: calc(100% - 72px); }
  .desktop-nav { padding-left: 0; gap: 25px; }
  .hero { gap: 1%; min-height: 660px; padding-top: 53px; padding-bottom: 48px; }
  .hero h1 { font-size: 7.2vw; letter-spacing: -4px; }
  .hero h1 em { letter-spacing: -3.7px; }
  .hero-intro { font-size: 16px; }
  .model-toolbar { margin-top: 5px; }
  .hero-note { font-size: 10px; }
  .section-space { padding-block: 88px; }
  .idea-copy { padding-top: 36px; }
  .idea-copy > .large-copy { font-size: 21px; }
  .principle-heading { gap: 40px; }
  .principle-heading > p { max-width: 280px; font-size: 14px; }
  .principle-flow { gap: 16px; grid-template-columns: 1fr 20px 1fr 20px 1fr; }
  .flow-step h3 { font-size: 21px; }
  .flow-step > p:last-child { font-size: 13px; }
  .perspective-section, .questions-section { gap: 6%; }
  .perspective-list h3 { font-size: 23px; }
  .perspective-list article { gap: 16px; }
  .list-arrow { padding-left: 0; }
  .closing-decoration { font-size: 360px; top: 40px; right: -30px; }
}

@media (max-width: 820px) {
  .container { width: calc(100% - 48px); }
  .site-header { height: 81px; }
  .brand { font-size: 29px; }
  .brand-mark { width: 24px; height: 28px; }
  .desktop-nav { gap: 20px; font-size: 12px; }
  .header-cta { font-size: 12px; gap: 15px; }
  .hero { min-height: 570px; padding-top: 44px; padding-bottom: 40px; gap: 0; }
  .hero h1 { font-size: 7.3vw; letter-spacing: -3px; margin-top: 27px; }
  .hero h1 em { letter-spacing: -2.8px; }
  .hero .eyebrow { font-size: 9px; letter-spacing: 1px; }
  .hero-intro { font-size: 14px; margin-top: 22px; }
  .button { font-size: 12px; padding: 15px 19px; min-height: 51px; }
  .hero .button { margin-top: 25px; }
  .micro-label { font-size: 7px; letter-spacing: .7px; }
  .view-switch button { font-size: 10px; padding-inline: 12px; }
  .model-index { font-size: 6px; bottom: 9px; }
  .model-caption { font-size: 9px; }
  .model-bottom { gap: 12px; margin-top: 12px; }
  .illustration-note { font-size: 7px; }
  .belief-inner { gap: 18px; }
  .belief-inner p { font-size: 12px; }
  .belief-inner > span { gap: 13px; font-size: 8px; }
  .section-space { padding-block: 74px; }
  h2 { font-size: 38px; letter-spacing: -1.7px; }
  h2 em { letter-spacing: -1.5px; }
  .idea-section { column-gap: 5%; }
  .idea-copy { padding-top: 40px; }
  .idea-copy > .large-copy { font-size: 19px; line-height: 1.6; }
  .idea-copy > p { font-size: 14px; line-height: 1.8; }
  .principle-heading > p { max-width: 230px; font-size: 13px; }
  .principle-heading { gap: 22px; }
  .principle-flow { gap: 25px; grid-template-columns: repeat(3, 1fr); }
  .flow-arrow { display: none; }
  .step-index { font-size: 8px; letter-spacing: .1px; }
  .flow-step h3 { font-size: 22px; line-height: 1.25; }
  .step-visual svg { width: 135px; }
  .perspective-section { gap: 6%; grid-template-columns: .9fr 1.1fr; }
  .perspective-list { padding-top: 16px; }
  .perspective-list h3 { font-size: 20px; }
  .perspective-list p { font-size: 13px; }
  .list-arrow { display: none; }
  .questions-section { grid-template-columns: .9fr 1.1fr; padding-bottom: 75px; }
  .questions-section h2 { font-size: 36px; }
  .questions-section .eyebrow { font-size: 9px; letter-spacing: .6px; }
  .questions summary { font-size: 14px; }
  .closing-decoration { font-size: 290px; top: 60px; right: -54px; opacity: .6; }
  .closing-inner h2 { font-size: 56px; letter-spacing: -2.5px; }
  .closing-inner h2 em { letter-spacing: -2.5px; }
  .site-footer p { margin-left: 0; font-size: 10px; }
}

@media (max-width: 620px) {
  html { scroll-padding-top: 24px; }
  .container { width: calc(100% - 40px); }
  .site-header { height: 76px; }
  .header-inner { gap: 15px; }
  .desktop-nav { display: none; }
  .header-cta { font-size: 11px; }
  .hero { grid-template-columns: 1fr; gap: 38px; padding-top: 42px; padding-bottom: 33px; }
  .hero h1 { font-size: clamp(45px, 12.4vw, 74px); letter-spacing: -3.5px; line-height: 1.02; margin-top: 25px; }
  .hero h1 em { letter-spacing: -3px; }
  .hero .eyebrow { font-size: 9px; letter-spacing: 1.1px; }
  .hero-intro { font-size: 16px; margin-top: 23px; }
  .hero .button { margin-top: 24px; }
  .hero-note { margin-top: 15px; }
  .hero-copy { padding: 0; }
  .model-panel { margin-top: 0; }
  .model-toolbar { margin-top: 0; }
  .micro-label { font-size: 8px; }
  .model-stage { max-width: 440px; width: 100%; margin-inline: auto; }
  .model-index { font-size: 7px; bottom: 13px; }
  .model-bottom { margin-top: 0; }
  .view-switch button { font-size: 11px; min-height: 40px; padding-inline: 18px; }
  .model-caption { font-size: 10px; }
  .illustration-note { font-size: 7px; }
  .belief-inner { align-items: start; flex-direction: column; gap: 17px; padding-block: 23px; }
  .belief-inner p { font-size: 13px; }
  .belief-inner > span { font-size: 9px; gap: 23px; }
  .section-space { padding-block: 62px; }
  h2 { font-size: clamp(36px, 9vw, 49px); line-height: 1.12; letter-spacing: -1.8px; }
  .section-number { margin-bottom: 23px; }
  .idea-section { grid-template-columns: 1fr; gap: 28px; }
  .idea-copy { padding-top: 0; max-width: none; }
  .idea-copy > .large-copy { font-size: 21px; margin-bottom: 23px; line-height: 1.55; }
  .idea-copy > p { font-size: 15px; }
  .idea-footnote { font-size: 10px; line-height: 1.7; gap: 14px; padding-top: 20px; }
  .principle-heading { display: block; }
  .principle-heading > p { max-width: 360px; font-size: 14px; margin-top: 25px; }
  .principle-flow { grid-template-columns: 1fr; margin-top: 34px; padding-top: 0; gap: 0; }
  .flow-step { padding-block: 28px; border-bottom: 1px solid #546356; position: relative; padding-right: 74px; }
  .flow-step:last-of-type { border-bottom: 0; }
  .step-visual { position: absolute; width: 80px; height: 70px; right: -6px; top: 24px; }
  .step-visual svg { width: 80px; height: 67px; }
  .step-index { font-size: 8px; letter-spacing: .6px; }
  .flow-step h3 { font-size: 23px; margin-top: 16px; margin-bottom: 12px; }
  .flow-step > p:last-child { font-size: 14px; max-width: none; }
  .principle-closing { margin-top: 3px; font-size: 9px; line-height: 1.8; align-items: baseline; }
  .perspective-section { grid-template-columns: 1fr; gap: 20px; }
  .perspective-intro { position: relative; }
  .perspective-intro > p:not(.eyebrow) { font-size: 15px; margin-top: 23px; }
  .perspective-orbit { display: none; }
  .perspective-list { padding-top: 15px; }
  .perspective-list article { padding-block: 26px; gap: 17px; }
  .perspective-list h3 { font-size: 24px; }
  .perspective-list p { font-size: 14px; }
  .questions-section { grid-template-columns: 1fr; gap: 29px; padding-top: 49px; padding-bottom: 62px; }
  .questions-section h2 { font-size: 36px; }
  .questions summary { font-size: 15px; padding-block: 22px; }
  .questions details > p { padding-right: 10px; }
  .closing-inner { padding-block: 57px 36px; }
  .closing-inner h2 { font-size: clamp(40px, 10.2vw, 58px); letter-spacing: -2.3px; }
  .closing-inner h2 em { letter-spacing: -2px; }
  .closing-inner > p:not(.eyebrow):not(.copy-status) { font-size: 14px; line-height: 1.8; }
  .closing-inner .eyebrow { font-size: 9px; }
  .closing-decoration { font-size: 230px; right: -78px; top: 104px; opacity: .45; }
  .closing-inner .button { font-size: 12px; }
  .copy-status { font-size: 11px; line-height: 1.5; }
  .site-footer { flex-wrap: wrap; gap: 15px; padding-block: 29px; }
  .site-footer .brand { font-size: 27px; }
  .site-footer p { font-size: 10px; margin-left: auto; margin-right: 0; }
  .back-to-top { border-top: 1px solid var(--line); width: 100%; justify-content: space-between; padding-top: 21px; padding-bottom: 0; font-size: 10px; margin-top: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}