:root {
  --paper: #f4efe6;
  --paper-deep: #e9e0d2;
  --surface: #fffdf9;
  --ink: #171512;
  --muted: #625d55;
  --line: #cfc5b7;
  --oxide: #a9472c;
  --oxide-dark: #83341f;
  --night: #1b1b19;
  --night-line: #45413b;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  --max: 1180px;
  --radius: 3px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.55; }
a { color: inherit; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--oxide); outline-offset: 3px; }
.skip-link { position: absolute; left: 1rem; top: -4rem; z-index: 10; background: var(--ink); color: var(--surface); padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.eyebrow, .meta-label { margin: 0 0 .75rem; font: 700 .72rem/1.2 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--oxide); }
.section { padding: clamp(4.8rem, 9vw, 9rem) 0; border-top: 1px solid var(--line); }
.section-intro { max-width: 720px; margin-bottom: 3rem; }
.section-intro h2, .cta-copy h2 { font: 400 clamp(2.1rem, 4.4vw, 4.2rem)/1.05 var(--serif); letter-spacing: -.035em; margin: 0 0 1rem; }
.section-intro > p:last-child { color: var(--muted); font-size: 1.08rem; max-width: 620px; margin: 0; }
.site-header { position: sticky; top: 0; z-index: 4; background: color-mix(in srgb, var(--paper) 93%, transparent); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.wordmark { text-decoration: none; display: inline-flex; align-items: center; gap: .62rem; font-weight: 700; letter-spacing: -.04em; font-size: 1.02rem; white-space: nowrap; }
.wordmark::before { content: ''; width: 13px; height: 13px; border: 1.5px solid var(--oxide); display: inline-block; }
.site-nav { display: flex; align-items: center; gap: 1.4rem; }
.site-nav a { text-decoration: none; color: var(--muted); font-size: .9rem; }
.site-nav a:hover { color: var(--ink); }
.button { appearance: none; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--ink); background: var(--ink); color: var(--surface) !important; padding: .8rem 1.08rem; min-height: 44px; border-radius: var(--radius); font-weight: 650; font-size: .88rem; text-decoration: none; transition: background .2s ease, color .2s ease, transform .2s ease; }
.button:hover { background: var(--oxide); border-color: var(--oxide); transform: translateY(-1px); }
.button.secondary { background: transparent; color: var(--ink) !important; }
.button.secondary:hover { background: var(--ink); color: var(--surface) !important; }
.nav-toggle { display: none; border: 0; background: transparent; color: var(--ink); padding: .6rem; font: 700 .82rem var(--mono); }
.hero { padding: clamp(4.4rem, 9vw, 9.5rem) 0 clamp(4rem, 8vw, 7rem); overflow: clip; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(420px, .94fr); gap: clamp(2.5rem, 6vw, 7rem); align-items: center; }
.hero h1 { font: 400 clamp(3.1rem, 6.3vw, 6.35rem)/.97 var(--serif); letter-spacing: -.06em; margin: 0 0 1.55rem; max-width: 750px; }
.hero-copy { max-width: 645px; margin: 0; color: var(--muted); font-size: clamp(1.04rem, 1.6vw, 1.22rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.hero-note { margin: 1.8rem 0 0; font: .78rem/1.5 var(--mono); color: var(--muted); max-width: 530px; }
.proof-card { border: 1px solid var(--ink); background: var(--surface); box-shadow: 10px 10px 0 var(--paper-deep); }
.proof-top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.15rem; border-bottom: 1px solid var(--line); }
.proof-top strong { font-size: .85rem; }
.status { display: inline-flex; align-items: center; gap: .45rem; color: var(--muted); font: .68rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.status::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--oxide); }
.brief-title { padding: 1.65rem 1.15rem 1.25rem; }
.brief-title p { margin: 0 0 .45rem; font: .7rem var(--mono); color: var(--oxide); text-transform: uppercase; letter-spacing: .1em; }
.brief-title h2 { margin: 0; font: 400 1.85rem/1.05 var(--serif); letter-spacing: -.03em; }
.brief-grid { margin: 0; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.brief-grid div { padding: .92rem 1.15rem 1rem; border-bottom: 1px solid var(--line); min-width: 0; }
.brief-grid div:nth-child(odd) { border-right: 1px solid var(--line); }
.brief-grid dt { font: .65rem var(--mono); color: var(--muted); letter-spacing: .08em; text-transform: uppercase; }
.brief-grid dd { margin: .28rem 0 0; font-size: .86rem; line-height: 1.35; }
.brief-foot { display: flex; gap: .6rem; align-items: center; padding: 1rem 1.15rem; font-size: .78rem; color: var(--muted); }
.brief-foot svg { flex: 0 0 18px; color: var(--oxide); }
.promise { background: var(--ink); color: var(--surface); padding: 1.15rem 0; }
.promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.promise-grid p { margin: 0; padding: .65rem 1.3rem; font: 500 .9rem/1.35 var(--sans); border-left: 1px solid var(--night-line); }
.promise-grid p:first-child { border-left: 0; padding-left: 0; }
.process { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.process-step { padding: 1.4rem 1.3rem 1.55rem 0; border-right: 1px solid var(--line); min-height: 220px; }
.process-step:not(:first-child) { padding-left: 1.3rem; }
.process-step:last-child { border-right: 0; }
.step-number { color: var(--oxide); font: .72rem var(--mono); }
.process-step h3 { font: 400 1.52rem/1.15 var(--serif); margin: 3rem 0 .7rem; letter-spacing: -.025em; }
.process-step p { color: var(--muted); margin: 0; font-size: .9rem; }
.artifact-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 1.25rem; }
.artifact { background: var(--surface); border: 1px solid var(--line); min-height: 100%; padding: 1.5rem; }
.artifact h3 { font: 400 1.52rem/1.1 var(--serif); letter-spacing: -.025em; margin: 0; }
.artifact > p { color: var(--muted); max-width: 535px; margin: .85rem 0 1.5rem; }
.agent-brief { display: grid; grid-template-columns: 120px 1fr; border-top: 1px solid var(--ink); margin-top: 1.5rem; }
.agent-brief .brief-side { padding: 1rem 1rem 1rem 0; font: .7rem/1.5 var(--mono); color: var(--oxide); text-transform: uppercase; letter-spacing: .09em; }
.agent-brief .brief-body { display: grid; gap: .65rem; padding: 1rem 0 1rem 1rem; border-left: 1px solid var(--line); }
.data-row { display: grid; grid-template-columns: 110px 1fr; gap: .8rem; font-size: .84rem; }
.data-row span:first-child { color: var(--muted); font: .67rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.map { padding: 0; overflow: hidden; }
.map-head { padding: 1.5rem; border-bottom: 1px solid var(--line); }
.map-head p { margin-bottom: 0; }
.map-canvas { min-height: 315px; position: relative; background: linear-gradient(135deg, #f9f6f0, #eee5d8); padding: 1rem; }
.map-line { position: absolute; left: 19%; top: 50%; width: 61%; height: 1px; background: var(--ink); transform: rotate(-13deg); transform-origin: left; }
.map-node { position: absolute; display: flex; align-items: center; justify-content: center; width: 92px; height: 38px; background: var(--surface); border: 1px solid var(--ink); font: .64rem var(--mono); text-transform: uppercase; letter-spacing: .05em; }
.map-node::before { content: ''; position: absolute; width: 7px; height: 7px; background: var(--oxide); top: -4px; left: 9px; }
.node-one { left: 7%; top: 18%; }.node-two { left: 38%; top: 39%; }.node-three { right: 7%; bottom: 18%; }.node-four { left: 16%; bottom: 14%; }
.operations { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.operations-copy p:not(.eyebrow) { font-size: 1.08rem; color: var(--muted); max-width: 550px; }
.loop { display: grid; grid-template-columns: repeat(5, 1fr); gap: .4rem; align-items: stretch; }
.loop-item { border-top: 2px solid var(--oxide); padding: .9rem .5rem .4rem 0; min-height: 106px; }
.loop-item b { display: block; font-size: .86rem; margin-bottom: .35rem; }
.loop-item span { display: block; font-size: .73rem; line-height: 1.35; color: var(--muted); }
.governance { background: var(--night); color: var(--surface); }
.governance .section-intro > p:last-child { color: #d0c8bd; }
.governance-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--night-line); border-bottom: 1px solid var(--night-line); }
.control { padding: 1.5rem 1.5rem 1.5rem 0; border-right: 1px solid var(--night-line); }
.control:nth-child(even) { border-right: 0; padding-left: 1.5rem; }
.control:nth-child(n+3) { border-top: 1px solid var(--night-line); padding-top: 1.8rem; }
.control .meta-label { color: #e37c60; }.control h3 { font: 400 1.55rem/1.15 var(--serif); margin: 0 0 .6rem; letter-spacing: -.025em; }.control p { margin: 0; color: #d0c8bd; max-width: 440px; }
.cta { padding: clamp(5rem, 10vw, 10rem) 0; }
.cta-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 3rem; align-items: end; }
.cta-copy p:not(.eyebrow) { max-width: 580px; color: var(--muted); font-size: 1.1rem; }
.cta-card { padding: 1.5rem; border: 1px solid var(--ink); background: var(--surface); }
.cta-card h3 { margin: 0 0 1.2rem; font: 400 1.45rem/1.15 var(--serif); }
.cta-card ul { list-style: none; padding: 0; margin: 0 0 1.4rem; border-top: 1px solid var(--line); }
.cta-card li { padding: .7rem 0; border-bottom: 1px solid var(--line); font-size: .86rem; }
.cta-card li::before { content: '—'; color: var(--oxide); margin-right: .55rem; }
.site-footer { border-top: 1px solid var(--line); padding: 1.5rem 0 2.5rem; color: var(--muted); font-size: .78rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }.footer-inner p { margin: 0; }.footer-inner a { color: var(--ink); }
@media (max-width: 820px) {
  .site-nav { display: none; position: absolute; left: 20px; right: 20px; top: 64px; background: var(--surface); border: 1px solid var(--ink); padding: 1rem; flex-direction: column; align-items: stretch; gap: .8rem; box-shadow: 6px 6px 0 var(--paper-deep); }
  .site-nav.is-open { display: flex; }.site-nav .button { width: 100%; }.nav-toggle { display: block; }
  .hero-grid, .artifact-grid, .operations, .cta-inner { grid-template-columns: 1fr; }.hero { padding-top: 4.2rem; }.hero h1 { max-width: 650px; }
  .process { grid-template-columns: 1fr 1fr; }.process-step:nth-child(2) { border-right: 0; }.process-step:nth-child(n+3) { border-top: 1px solid var(--line); padding-top: 1.4rem; }.process-step:nth-child(3) { padding-left: 0; }
  .promise-grid { grid-template-columns: 1fr; }.promise-grid p { border-left: 0; border-top: 1px solid var(--night-line); padding: .75rem 0; }.promise-grid p:first-child { border-top: 0; }
}
@media (max-width: 560px) {
  .container { width: min(calc(100% - 28px), var(--max)); }.section { padding: 4rem 0; }.brief-grid, .governance-grid { grid-template-columns: 1fr; }.brief-grid div:nth-child(odd) { border-right: 0; }.brief-grid div { padding: .85rem 1rem; }.proof-card { box-shadow: 5px 5px 0 var(--paper-deep); }
  .process { grid-template-columns: 1fr; }.process-step, .process-step:not(:first-child) { min-height: auto; padding: 1.4rem 0; border-right: 0; border-top: 1px solid var(--line); }.process-step:first-child { border-top: 0; }.process-step h3 { margin-top: 1.5rem; }
  .agent-brief { grid-template-columns: 1fr; }.agent-brief .brief-side { padding: 1rem 0 .6rem; }.agent-brief .brief-body { padding: 0 0 1rem; border-left: 0; }.data-row { grid-template-columns: 90px 1fr; }.loop { grid-template-columns: 1fr 1fr; }.loop-item { min-height: 84px; }.control, .control:nth-child(even), .control:nth-child(n+3) { padding: 1.3rem 0; border-right: 0; border-top: 1px solid var(--night-line); }.control:first-child { border-top: 0; }.footer-inner { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; }.button { transition: none; } }