/* AI Trust Patterns · MVP
   Warm paper, deep green ink, geometric category marks. */
:root {
  --paper: #F6F3EC;
  --paper-2: #EFEAE0;
  --card: #FFFFFF;
  --ink: #1C1B19;
  --ink-2: #45423B;
  --muted: #7A756B;
  --line: #E2DCCF;
  --green: #1F5E46;
  --green-2: #2F7D5B;
  --green-soft: #E2EDE6;
  --clay: #B4552F;
  --clay-soft: #F7E7DE;
  --amber-soft: #F6EBD3;
  --radius: 14px;
  --serif: 'Newsreader', Georgia, serif;
  --sans: 'Instrument Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 120px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--green); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
h1, h2, h3 { margin: 0; font-weight: 500; }
p { margin: 0 0 .9rem; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 28px; }
.muted { color: var(--muted); }
.label { font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0 0 .6rem; }
.fine { font-size: .8rem; color: var(--muted); }
:focus-visible { outline: 2px solid var(--green-2); outline-offset: 3px; border-radius: 6px; }

/* Buttons, pills, chips */
.btn { display: inline-flex; align-items: center; gap: .4rem; padding: .7rem 1.2rem; border-radius: 999px; font: 600 .92rem var(--sans); text-decoration: none; border: 1.5px solid var(--ink); transition: background .15s, color .15s; }
.btn-solid { background: var(--green); border-color: var(--green); color: #fff; }
.btn-solid:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn-ghost { color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-sm { padding: .4rem .9rem; font-size: .82rem; }
.pill { display: inline-flex; align-items: center; gap: .3rem; padding: .32rem .8rem; border-radius: 999px; border: 1.5px solid var(--line); font: 600 .8rem var(--sans); color: var(--ink); text-decoration: none; background: #fff; }
.pill:hover { border-color: var(--ink); color: var(--ink); }
.pill-solid { background: var(--green); border-color: var(--green); color: #fff; }
.pill-solid:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.pill-disabled { color: var(--muted); background: transparent; border-style: dashed; }
.chip { display: inline-flex; align-items: center; gap: .45rem; padding: .45rem .9rem; border-radius: 999px; border: 1.5px solid var(--line); background: transparent; font: 500 .86rem var(--sans); color: var(--ink-2); cursor: pointer; text-decoration: none; transition: border-color .15s, background .15s; }
.chip:hover { border-color: var(--ink-2); color: var(--ink); }
.chip.is-on, .chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip-sm { padding: .3rem .75rem; font-size: .8rem; font-weight: 600; }
.chip-static { cursor: default; background: #fff; }
.chip-static:hover { border-color: var(--line); color: var(--ink-2); }
.chip-num span { display: inline-grid; place-items: center; width: 1.3rem; height: 1.3rem; border-radius: 50%; background: var(--green-soft); color: var(--green); font-size: .72rem; font-weight: 700; }
.chips { display: flex; gap: .5rem; flex-wrap: wrap; }
.dot { width: .55rem; height: .55rem; border-radius: 50%; display: inline-block; }
.link-btn { background: none; border: 0; padding: 0; font: 600 .85rem var(--sans); color: var(--green); cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }

/* Top bar */
.topbar { position: sticky; top: 0; z-index: 20; background: rgba(246, 243, 236, .88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; color: var(--ink); text-decoration: none; letter-spacing: -.01em; }
.brand-mark { display: inline-flex; gap: 3px; align-items: flex-end; }
.brand-mark i { display: block; width: 7px; border-radius: 4px; background: var(--green); }
.brand-mark i:nth-child(1) { height: 10px; opacity: .45; } .brand-mark i:nth-child(2) { height: 16px; opacity: .7; } .brand-mark i:nth-child(3) { height: 22px; }
.topnav { display: flex; align-items: center; gap: 1.6rem; }
.topnav > a:not(.btn) { color: var(--ink-2); text-decoration: none; font-size: .92rem; font-weight: 500; }
.topnav > a:not(.btn):hover { color: var(--ink); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 5rem 0 4rem; }
.hero-art { position: absolute; right: -60px; top: -40px; width: 460px; height: 460px; opacity: .55; pointer-events: none; }
.hero-art span { position: absolute; display: block; background: var(--green-soft); }
.hero-art span:nth-child(1) { width: 200px; height: 200px; border-radius: 50%; right: 40px; top: 30px; }
.hero-art span:nth-child(2) { width: 160px; height: 160px; border-radius: 24px; right: 220px; top: 140px; background: var(--paper-2); }
.hero-art span:nth-child(3) { width: 120px; height: 240px; border-radius: 60px; right: 0; top: 220px; background: var(--clay-soft); }
.hero-art span:nth-child(4) { width: 90px; height: 90px; border-radius: 50%; right: 260px; top: 20px; background: var(--amber-soft); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.35fr 1fr; gap: 4rem; align-items: end; }
.eyebrow { font-size: .85rem; font-weight: 600; color: var(--green); margin-bottom: 1rem; }
.hero h1, .p-head h1 { font-family: var(--serif); font-size: clamp(2.2rem, 4.6vw, 3.5rem); line-height: 1.06; letter-spacing: -.02em; margin-bottom: 1.25rem; }
.lead { font-size: 1.15rem; color: var(--ink-2); max-width: 40rem; }
.hero-actions { display: flex; gap: .75rem; margin-top: 1.75rem; flex-wrap: wrap; }
.howto { background: rgba(255, 255, 255, .7); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem 1.4rem .6rem; }
.steps { list-style: none; margin: 0; padding: 0; }
.steps li { border-top: 1px solid var(--line); }
.steps li:first-child { border-top: 0; }
.steps a { display: flex; gap: .9rem; padding: .85rem 0; color: var(--ink); text-decoration: none; }
.steps a:hover strong { color: var(--green); }
.step-n { flex: none; width: 1.7rem; height: 1.7rem; border-radius: 50%; border: 1.5px solid var(--ink); display: grid; place-items: center; font-size: .78rem; font-weight: 700; }
.steps strong { display: block; font-size: .95rem; }
.step-d { display: block; font-size: .85rem; color: var(--muted); line-height: 1.5; }

/* Sections */
.band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper-2); }
.why { display: grid; grid-template-columns: 1.6fr 1fr; gap: 4rem; padding: 2.5rem 28px; }
.why p { color: var(--ink-2); }
.h-sm { font-family: var(--serif); font-size: 1.45rem; margin-bottom: .8rem; }
.section { padding: 5rem 0; }
.section-alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-head { display: flex; justify-content: space-between; align-items: baseline; gap: 2rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.sec-head h2 { font-family: var(--serif); font-size: 2.2rem; letter-spacing: -.01em; }
.sec-head p { margin: 0; }

/* Facets + cards (reference: Optimal tool cards) */
.facets { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: .75rem; align-items: center; }
.facets-2 { margin-bottom: 2rem; }
.facet-label { font-size: .78rem; font-weight: 600; color: var(--muted); margin-right: .25rem; }
.facet-clear { margin-left: .5rem; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.3rem 1.3rem 1.2rem; display: flex; flex-direction: column; transition: border-color .15s, transform .15s, box-shadow .15s; }
.card:not(.card-soon):hover { border-color: #CFC7B6; transform: translateY(-2px); box-shadow: 0 10px 24px -18px rgba(28, 27, 25, .35); }
.card[hidden] { display: none; }
.card-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: .9rem; }
.card-title { font-size: 1.12rem; font-weight: 600; letter-spacing: -.01em; margin-bottom: .4rem; }
.card-title a { color: var(--ink); text-decoration: none; }
.card-title a:hover { color: var(--green); }
.card-desc { font-size: .9rem; color: var(--ink-2); line-height: 1.5; margin-bottom: .7rem; }
.card-desc-muted { color: var(--muted); }
.card-meta { display: inline-block; align-self: flex-start; font-size: .72rem; color: var(--muted); border: 1px solid var(--line); border-radius: 6px; padding: .12rem .5rem; margin-bottom: 1rem; }
.card-actions { margin-top: auto; display: flex; gap: .4rem; flex-wrap: wrap; }
.card-soon { background: transparent; border-style: dashed; }
.card-soon .glyph { opacity: .5; }
.badge-soon { font-size: .72rem; font-weight: 600; color: var(--green); background: var(--green-soft); border-radius: 999px; padding: .2rem .6rem; }
.empty { margin-top: 1.5rem; }

/* Paradigms */
.paradigms { display: grid; grid-template-columns: 300px 1fr; gap: 2.5rem; align-items: center; margin-bottom: 2rem; }
.seg { display: flex; flex-direction: column; gap: .5rem; }
.seg-btn { text-align: left; display: flex; gap: .9rem; align-items: baseline; padding: .9rem 1rem; border: 1.5px solid var(--line); border-radius: 12px; background: var(--paper); font: inherit; color: var(--ink-2); cursor: pointer; transition: border-color .15s, background .15s; }
.seg-btn strong { font-size: .8rem; letter-spacing: .06em; color: var(--muted); width: 2.8rem; }
.seg-btn:hover { border-color: var(--ink-2); }
.seg-btn.is-on { background: var(--ink); border-color: var(--ink); color: #fff; }
.seg-btn.is-on strong { color: #9FD2B6; }
.pd-panel { display: grid; grid-template-columns: minmax(260px, 1fr) 1fr; gap: 2rem; align-items: center; }
.pd-panel[hidden] { display: none; }
.pd-text h3 { font-family: var(--serif); font-size: 1.6rem; margin-bottom: .6rem; }
.pd-text p { color: var(--ink-2); }
.pd-links a { font-weight: 600; }
.dia { width: 100%; height: auto; }
.dia text { font: 600 12px var(--sans); fill: var(--ink); text-anchor: middle; }
.dia .dia-small { font-weight: 500; font-size: 10.5px; fill: var(--muted); }
.dia .dia-left { text-anchor: start; }
.dia-ai { fill: var(--paper-2); stroke: var(--line); stroke-width: 1.5; }
.dia-act { fill: #fff; stroke: var(--line); stroke-width: 1.5; }
.dia-human { fill: var(--green-soft); stroke: var(--green-2); stroke-width: 2; }
.dia-bound { fill: none; stroke: var(--green-2); stroke-width: 1.5; stroke-dasharray: 5 5; }
.dia-line { stroke: var(--ink-2); stroke-width: 1.5; fill: none; marker-end: none; }
.dia-dash { stroke-dasharray: 4 4; stroke: var(--green-2); }
.note { border-left: 3px solid var(--green-2); padding: .2rem 0 .2rem 1.1rem; color: var(--ink-2); max-width: 54rem; font-size: .95rem; margin: 0 0 3rem; }

/* Calibration tool */
.tool { border-top: 1px solid var(--line); padding-top: 2.5rem; }
.tool-head h3 { font-family: var(--serif); font-size: 1.8rem; margin-bottom: .4rem; }
.tool-head { margin-bottom: 1.75rem; }
.tool-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 2.5rem; align-items: start; }
.factors { display: grid; gap: 1.5rem; }
.factor { border: 0; margin: 0; padding: 0 0 1.4rem; border-bottom: 1px solid var(--line); }
.factor legend { padding: 0; margin-bottom: .7rem; display: flex; gap: .6rem; align-items: baseline; flex-wrap: wrap; }
.factor legend strong { font-size: 1rem; }
.factor legend span { font-size: .85rem; color: var(--muted); }
.scale { display: grid; grid-template-columns: repeat(3, 1fr); background: var(--paper); border: 1.5px solid var(--line); border-radius: 12px; padding: 4px; gap: 4px; }
.scale-opt { position: relative; }
.scale-opt input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.scale-opt span { display: block; text-align: center; padding: .55rem .4rem; border-radius: 9px; font-size: .84rem; font-weight: 500; color: var(--ink-2); line-height: 1.3; transition: background .15s, color .15s; }
.scale-opt:hover span { background: #fff; }
.scale-opt input:checked + span { background: var(--ink); color: #fff; }
.scale-opt input:focus-visible + span { outline: 2px solid var(--green-2); outline-offset: 2px; }
.factor-why { font-size: .86rem; color: var(--ink-2); margin: .6rem 0 0; min-height: 1.3em; }
.outcome { position: sticky; top: 90px; background: var(--paper); border: 1.5px solid var(--ink); border-radius: var(--radius); padding: 1.5rem; }
.outcome-name { font-family: var(--serif); font-size: 1.7rem; line-height: 1.15; margin-bottom: .6rem; }
.outcome-text { color: var(--ink-2); font-size: .95rem; }
.lights { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; margin: 1.1rem 0 1.4rem; }
.light { border: 1.5px dashed var(--line); border-radius: 10px; padding: .6rem; text-align: center; transition: all .2s; }
.light b { display: block; font-size: .85rem; letter-spacing: .05em; color: var(--muted); }
.light span { font-size: .75rem; color: var(--muted); }
.light.is-on { border-style: solid; border-color: var(--green-2); background: var(--green-soft); }
.light.is-on b { color: var(--green); }
.outcome-patterns { display: flex; flex-wrap: wrap; gap: .4rem; }

/* Team */
.team { display: flex; justify-content: space-between; align-items: center; gap: 2rem; flex-wrap: wrap; }
.team p { color: var(--ink-2); max-width: 40rem; margin: 0; }

/* Pattern pages */
.crumbs { display: flex; flex-wrap: wrap; gap: .45rem; font-size: .84rem; color: var(--muted); margin-bottom: 1.75rem; }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--ink); text-decoration: underline; }
.crumbs [aria-current] { color: var(--ink); }
.crumbs-sep { opacity: .5; }
.p-head { padding: 3rem 0 2.25rem; border-bottom: 1px solid var(--line); }
.p-title { display: flex; gap: 1rem; align-items: flex-start; }
.p-title .glyph { margin-top: .5rem; flex: none; }
.cat-line { display: flex; gap: .4rem; margin-bottom: .5rem; flex-wrap: wrap; }
.cat-tag { font-size: .78rem; font-weight: 600; color: var(--ink-2); border: 1px solid var(--line); border-radius: 999px; padding: .15rem .65rem; background: #fff; }
.meta { display: flex; flex-wrap: wrap; gap: 0; margin: 1.5rem 0 0; border-top: 1px solid var(--line); }
.meta div { padding: .9rem 2rem .1rem 0; margin-right: 2rem; }
.meta dt { font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.meta dd { margin: .2rem 0 0; font-weight: 500; }
.jump { position: sticky; top: 64px; z-index: 10; background: rgba(246, 243, 236, .92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.jump-inner { display: flex; gap: 1.4rem; overflow-x: auto; padding-top: .7rem; padding-bottom: .7rem; scrollbar-width: none; }
.jump a { white-space: nowrap; font-size: .85rem; color: var(--ink-2); text-decoration: none; }
.jump a:hover, .jump a.is-on { color: var(--green); }
.p-body { padding-top: 1rem; padding-bottom: 4rem; }
.p-body > * { max-width: 820px; }
.p-sec { padding: 2.25rem 0 .5rem; }
.p-sec h2 { font-family: var(--serif); font-size: 1.65rem; margin-bottom: 1rem; }
.p-sec > p { color: var(--ink-2); }
.callout { background: var(--amber-soft); border-radius: 12px; padding: 1rem 1.2rem; margin-top: 1rem; }
.callout strong { font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; }
.callout p { margin: .3rem 0 0; color: var(--ink-2); font-size: .95rem; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
.h-col { font-size: .95rem; font-weight: 600; margin-bottom: .6rem; }
.list { margin: 0; padding: 0; list-style: none; }
.list li { position: relative; padding-left: 1.4rem; margin-bottom: .55rem; color: var(--ink-2); }
.list li::before { content: ''; position: absolute; left: 0; top: .62em; width: 6px; height: 6px; border-radius: 50%; background: var(--ink-2); }
.list-yes li::before { content: '✓'; width: auto; height: auto; background: none; top: 0; color: var(--green-2); font-weight: 700; }
.list-no li::before { content: '–'; width: auto; height: auto; background: none; top: 0; color: var(--muted); font-weight: 700; }
.list-warn li::before { content: '!'; width: 1rem; height: 1rem; top: .2em; border-radius: 50%; background: var(--clay-soft); color: var(--clay); font-size: .7rem; font-weight: 800; display: grid; place-items: center; }
.list-plain li::before { display: none; }
.list-plain li { padding-left: 0; }
.list-plain a { font-weight: 600; }
.checklist { list-style: none; margin: 0 0 .75rem; padding: 0; }
.checklist li { border-top: 1px solid var(--line); }
.checklist li:last-child { border-bottom: 1px solid var(--line); }
.checklist label { display: flex; gap: .8rem; align-items: flex-start; padding: .7rem 0; cursor: pointer; color: var(--ink-2); }
.checklist input { margin-top: .3rem; width: 1.05rem; height: 1.05rem; accent-color: var(--green); flex: none; }
.checklist input:checked + span { color: var(--muted); text-decoration: line-through; text-decoration-color: var(--line); }
.acc { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.acc + .acc { border-top: 0; }
.acc summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 1rem; padding: 1rem 0; font-weight: 600; }
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: '+'; font-weight: 400; font-size: 1.3rem; line-height: 1; color: var(--ink-2); transition: transform .2s; margin-left: .5rem; }
.acc summary > .muted { margin-left: auto; font-weight: 500; font-size: .85rem; }
.acc[open] summary::after { transform: rotate(45deg); }
.acc-body { padding: 0 0 1.1rem; }
.acc-body .list li strong { color: var(--ink); }
.quote { margin: 0 0 1.2rem; padding: 0 0 0 1.2rem; border-left: 3px solid var(--clay); }
.quote p { font-family: var(--serif); font-size: 1.2rem; line-height: 1.45; color: var(--ink); margin-bottom: .4rem; }
.quote cite { font-style: normal; font-size: .82rem; color: var(--muted); }
.finding { color: var(--ink-2); }
.finding .label { display: block; margin-bottom: .25rem; }
.pager { display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--line); margin-top: 3rem; padding-top: 1.5rem; }
.pager a { display: flex; flex-direction: column; text-decoration: none; color: var(--ink); font-weight: 600; }
.pager a span { font-size: .8rem; font-weight: 500; }
.pager-next { text-align: right; }

/* Principles */
.principles { margin-top: 1.5rem; }
.acc-principle summary { font-size: 1.05rem; }
.acc-principle[hidden] { display: none; }
.pnum { display: inline-grid; place-items: center; width: 1.8rem; height: 1.8rem; border-radius: 50%; background: var(--green-soft); color: var(--green); font-size: .8rem; font-weight: 700; margin-right: .75rem; }
.warnline { background: var(--clay-soft); border-radius: 10px; padding: .7rem 1rem; color: var(--ink-2); }
.warnline strong { color: var(--clay); margin-right: .4rem; }
.acc-principle .acc-body { padding-left: 2.55rem; }
.acc-principle:target summary { color: var(--green); }

/* Mockups */
.mock { margin: 1rem 0 1.5rem; background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.mock-bar { display: flex; justify-content: space-between; align-items: center; padding: .55rem .9rem; border-bottom: 1px solid var(--line); background: var(--paper); font-size: .72rem; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
.mock-tag { color: var(--green); }
.mock-tag-bad { color: var(--clay); }
.mock-bad { border-color: #EBCDBE; }
.mock-bad .mock-bar { background: #FBF1EC; }
.mock-body { padding: 1.1rem 1.2rem; font-size: .92rem; color: var(--ink); }
.mk-p { margin: 0 0 .6rem; }
.mk-head { display: flex; align-items: center; gap: .6rem; margin-bottom: .8rem; }
.mk-avatar { width: 2rem; height: 2rem; border-radius: 50%; background: var(--clay-soft); color: var(--clay); display: grid; place-items: center; font-weight: 700; font-size: .8rem; }
.mk-avatar-ai { background: var(--green-soft); color: var(--green); }
.mk-pill { font-size: .7rem; font-weight: 700; background: var(--green-soft); color: var(--green); border-radius: 999px; padding: .1rem .5rem; }
.mk-right { margin-left: auto; }
.mk-link { color: var(--green); font-weight: 600; font-size: .85rem; }
.mk-msg { background: var(--paper); border-radius: 4px 14px 14px 14px; padding: .8rem 1rem; max-width: 34rem; }
.mk-block { border-left: 3px solid var(--line); padding: .2rem 0 .2rem .9rem; margin-bottom: .8rem; }
.mk-ai { border-color: #E2B39C; }
.mk-edited { border-color: #E8CC8A; }
.mk-human { border-color: var(--green-2); }
.mk-origin { display: block; font-size: .72rem; font-weight: 600; color: var(--muted); margin-bottom: .15rem; }
.mk-note { font-size: .82rem; color: var(--muted); margin: .4rem 0 .6rem; }
.mk-req { font-weight: 600; margin-bottom: .3rem; }
.mk-sep { height: 1px; background: var(--line); margin: .9rem 0; }
.mk-flag { background: var(--amber-soft); border-radius: 8px; padding: .7rem .9rem; font-size: .88rem; margin: .4rem 0; }
.mk-row { display: flex; justify-content: space-between; gap: 1rem; padding: .55rem 0; border-bottom: 1px solid #F0EBE1; align-items: center; }
.mk-row-warn { background: linear-gradient(90deg, var(--amber-soft), transparent); margin: 0 -.5rem; padding-left: .5rem; padding-right: .5rem; border-radius: 6px; }
.mk-sub { font-size: .82rem; color: var(--muted); padding: .2rem 0 .5rem; }
.mk-quote { font-size: .85rem; color: var(--ink-2); background: var(--paper); border-radius: 8px; padding: .55rem .8rem; margin: .3rem 0 .4rem; }
.mk-chip { font-size: .74rem; font-weight: 600; border-radius: 999px; padding: .12rem .55rem; background: var(--paper-2); color: var(--ink-2); white-space: nowrap; }
.mk-chip-warn { background: var(--amber-soft); color: #8A5A0B; }
.mk-chip-ok { background: var(--green-soft); color: var(--green); }
.mk-actions { display: flex; gap: .4rem; flex-wrap: wrap; margin-top: .7rem; }
.mk-btn { font-size: .8rem; font-weight: 600; border: 1.5px solid var(--line); border-radius: 8px; padding: .3rem .7rem; }
.mk-btn-solid { background: var(--ink); color: #fff; border-color: var(--ink); }
.mk-code { font-family: ui-monospace, Menlo, monospace; font-size: .8rem; background: var(--paper); border-radius: 6px; padding: .6rem .8rem; margin: .5rem 0; color: var(--ink-2); }
.mk-mark { background: var(--amber-soft); padding: 0 .2rem; border-bottom: 2px dotted #C8962E; }
.mk-tip { border: 1.5px solid var(--green-2); border-radius: 10px; padding: .8rem 1rem; margin: .6rem 0 .8rem; }
.mk-tip p { margin: .3rem 0 0; font-size: .88rem; color: var(--ink-2); }
.mk-expand { font-size: .78rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); margin: .6rem 0 .3rem; }
.mk-split { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.mk-split > div + div { border-left: 1px solid var(--line); padding-left: 1.2rem; }
.mk-label { font-size: .72rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); margin-bottom: .4rem; }
.mk-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; margin-bottom: .8rem; }
.mk-stats div { background: var(--paper); border-radius: 8px; padding: .6rem; }
.mk-stats strong { display: block; font-size: 1.3rem; }
.mk-stats span { font-size: .75rem; color: var(--muted); }
.mk-stat-warn { background: var(--amber-soft) !important; }
.mk-big { font-family: var(--serif); font-size: 3rem; line-height: 1; }
.mk-big span { display: block; font-family: var(--sans); font-size: .85rem; color: var(--muted); margin-top: .3rem; }

/* Footer */
.foot { border-top: 1px solid var(--line); padding: 1.5rem 0; font-size: .82rem; color: var(--muted); }
.foot-inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .why, .tool-grid, .paradigms, .pd-panel { grid-template-columns: 1fr; gap: 2rem; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .outcome { position: static; }
  .seg { flex-direction: row; overflow-x: auto; }
  .seg-btn { flex: 1; flex-direction: column; gap: .1rem; min-width: 140px; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .why { padding: 2rem 16px; }
  .topnav > a:not(.btn) { display: none; }
  .grid, .cols, .mk-split { grid-template-columns: 1fr; }
  .mk-split > div + div { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 1rem; }
  .scale { grid-template-columns: 1fr; }
  .mk-stats { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 3rem 0 2.5rem; }
  .hero-art { opacity: .3; }
  .section { padding: 3.5rem 0; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }

/* Let grid/flex children shrink on small screens (prevents sideways scroll) */
.hero-grid > *, .why > *, .paradigms > *, .pd-panel > *, .tool-grid > *, .cols > *, .grid > * { min-width: 0; }
html, body { overflow-x: clip; }
@media (max-width: 640px) {
  .seg-btn { min-width: 0; padding: .7rem .6rem; }
  .seg-btn span { font-size: .78rem; }
  .topbar .btn-sm { padding: .35rem .7rem; font-size: .78rem; }
  .sec-head h2 { font-size: 1.8rem; }
}

/* Pattern page: right-hand "On this page" rail */
.p-layout { display: grid; grid-template-columns: minmax(0, 820px) 220px; justify-content: space-between; gap: 3rem; align-items: start; }
.p-layout .p-body { padding-left: 0; padding-right: 0; }
.rail { position: sticky; top: 96px; padding-top: 2.5rem; }
.rail-title { font-family: var(--serif); font-size: 1.25rem; font-weight: 500; color: var(--ink); margin: 0 0 1rem; }
.rail-list { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line); }
.rail-list a { position: relative; display: block; padding: .5rem 0 .5rem 1.25rem; font-size: .92rem; font-weight: 500; color: var(--ink-2); text-decoration: none; transition: color .15s; }
.rail-list a:hover { color: var(--ink); }
.rail-list a.is-on { color: var(--green); font-weight: 600; }
.rail-list a.is-on::before { content: ''; position: absolute; left: -2px; top: .35rem; bottom: .35rem; width: 4px; border-radius: 4px; background: var(--green-2); }
.jump { display: none; }
@media (max-width: 960px) {
  .p-layout { grid-template-columns: 1fr; gap: 0; }
  .rail { display: none; }
  .jump { display: block; }
}

/* ---------- Home: category tiles ---------- */
.tiles { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; }
.tile { position: relative; display: flex; flex-direction: column; gap: .35rem; padding: 1.2rem 1.1rem 1.1rem; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink); text-decoration: none; transition: border-color .15s, transform .15s, box-shadow .15s; min-width: 0; }
.tile:hover { border-color: #CFC7B6; transform: translateY(-2px); box-shadow: 0 10px 24px -18px rgba(28, 27, 25, .35); color: var(--ink); }
.tile .glyph { margin-bottom: .5rem; }
.tile-name { font-weight: 600; font-size: 1rem; line-height: 1.3; }
.tile-count { font-size: .78rem; font-weight: 600; color: var(--green); }
.tile-list { font-size: .82rem; color: var(--muted); line-height: 1.45; }
.tile-go { position: absolute; top: 1.1rem; right: 1.1rem; color: var(--muted); transition: transform .15s, color .15s; }
.tile:hover .tile-go { transform: translateX(3px); color: var(--green); }
.arrow-link { font-weight: 600; text-decoration: none; }
.arrow-link:hover { text-decoration: underline; }
a.light { text-decoration: none; color: inherit; }
a.light:hover { border-color: var(--green-2); }

/* ---------- Patterns page ---------- */
.browse { padding-top: 2rem; padding-bottom: 4rem; }
.filterbar { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.75rem; padding: 1rem 0; margin-bottom: .5rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.facet-group { display: flex; align-items: center; gap: .4rem; flex-wrap: wrap; }
.select-wrap { gap: .6rem; }
.facet-select { font: 500 .85rem var(--sans); color: var(--ink); background: #fff; border: 1.5px solid var(--line); border-radius: 999px; padding: .38rem 2rem .38rem .85rem; appearance: none; -webkit-appearance: none; cursor: pointer; max-width: 260px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2345423B' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .8rem center; }
.facet-select:hover { border-color: var(--ink-2); }
.view-toggle { margin-left: auto; display: inline-flex; border: 1.5px solid var(--line); border-radius: 10px; padding: 3px; gap: 3px; background: #fff; }
.view-btn { display: grid; place-items: center; width: 2.1rem; height: 1.9rem; border: 0; border-radius: 7px; background: transparent; cursor: pointer; color: var(--muted); }
.view-btn svg { fill: currentColor; }
.view-btn.is-on { background: var(--ink); color: #fff; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.result-line { font-size: .9rem; color: var(--muted); margin: 1rem 0 1.25rem; }
.soon-block { margin-top: 3.5rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.soon-block[hidden] { display: none; }
.soon-block .h-sm { margin-bottom: 1.25rem; }

/* List view */
.grid.is-list { grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--line); }
.grid.is-list .card { flex-direction: row; align-items: center; gap: 1.25rem; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; padding: 1rem .25rem; }
.grid.is-list .card:hover { transform: none; box-shadow: none; background: rgba(255, 255, 255, .6); }
.grid.is-list .card-top { margin: 0; flex: none; }
.grid.is-list .card-top .glyph { width: 30px; height: 30px; }
.grid.is-list .card-title { margin: 0; flex: 0 0 15rem; font-size: 1rem; }
.grid.is-list .card-desc { margin: 0; flex: 1; font-size: .88rem; }
.grid.is-list .card-meta { display: none; }
.grid.is-list .card-actions { margin: 0; flex: none; }
.grid.is-list .card-actions .pill:not(.pill-solid) { display: none; }

@media (max-width: 1100px) { .tiles { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 960px) {
  .view-toggle { margin-left: 0; }
  .grid.is-list .card { flex-wrap: wrap; }
  .grid.is-list .card-title { flex-basis: auto; }
  .grid.is-list .card-desc { flex-basis: 100%; }
}
@media (max-width: 640px) {
  .tiles { grid-template-columns: 1fr 1fr; }
  .filterbar { gap: .75rem; }
  .facet-select { max-width: 100%; }
}

/* Filter bar spacing: groups wrap as units, with even row/column gaps */
.filterbar { column-gap: 2rem; row-gap: .9rem; }
.facet-group { flex-wrap: nowrap; gap: .45rem; }
.facet-group .facet-label { margin-right: .3rem; white-space: nowrap; }
.result-line { display: flex; align-items: baseline; gap: .9rem; }
/* Category tiles: navigation only */
.tile { min-height: 132px; justify-content: flex-end; }
.tile .glyph { margin-bottom: auto; }
.tile-name { padding-right: 1.2rem; }
@media (max-width: 640px) {
  .facet-group { flex-wrap: wrap; }
  .select-wrap { flex-direction: column; align-items: flex-start; width: 100%; }
  .tile { min-height: 112px; }
}

/* Whole card is clickable: the title link stretches over the card.
   Pills (Example, Checklist) sit above it so they keep their own targets. */
.card { position: relative; }
.card:not(.card-soon) { cursor: pointer; }
.card-title a::after { content: ''; position: absolute; inset: 0; border-radius: inherit; z-index: 0; }
.card-title a:focus-visible { outline: none; }
.card:has(.card-title a:focus-visible) { outline: 2px solid var(--green-2); outline-offset: 3px; }
.card-actions { position: relative; z-index: 1; }
.card:not(.card-soon):hover .card-title a { color: var(--green); }

/* Calibration tool: proposal note + download actions */
.proposal-note { background: var(--amber-soft); border-radius: 10px; padding: .75rem 1rem; font-size: .9rem; color: var(--ink-2); max-width: 46rem; margin-top: .9rem; }
.proposal-note strong { color: var(--ink); }
.outcome-actions { display: flex; gap: .5rem; flex-wrap: wrap; margin: 1.25rem 0 .6rem; }
.outcome-actions .btn { cursor: pointer; }

/* Outcome column: box + print action below it, sticky together */
.outcome-col { position: sticky; top: 90px; }
.outcome-col .outcome { position: static; }
.outcome-after { margin-top: .9rem; }
.outcome-after .btn { cursor: pointer; }
.outcome-after .fine { margin: .5rem 0 0; }
/* Pattern page checklist actions */
.checklist-actions { display: flex; align-items: center; gap: 1.1rem; flex-wrap: wrap; margin-top: .25rem; }
.checklist-actions .btn { cursor: pointer; }
@media (max-width: 960px) { .outcome-col { position: static; } }

/* ---------- Additions: Oct 2026 content update ---------- */
.tiles { grid-template-columns: repeat(4, 1fr); }
.tile-desc { display: block; margin-top: .35rem; font-weight: 400; font-size: .82rem; line-height: 1.45; color: var(--muted); }
.howto-intro { font-size: .9rem; color: var(--ink-2); margin: .2rem 0 .8rem; }
.others { display: grid; gap: .75rem; margin: 1rem 0; }
.other { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: .9rem 1.1rem; }
.other p { margin: .3rem 0 0; font-size: .95rem; color: var(--ink-2); }
.mk-split-3 { grid-template-columns: repeat(3, 1fr); }
.mk-btn-off { color: var(--muted); border-style: dashed; background: var(--paper); }
.mk-options { border: 1px solid var(--line); border-radius: 8px; margin: .2rem 0 .5rem; overflow: hidden; }
.mk-options div { font-size: .85rem; padding: .4rem .8rem; }
.mk-options .is-selected { background: var(--ink); color: #fff; }
.mk-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: .6rem 1rem; padding: .7rem 0 .9rem; border-bottom: 1px solid var(--line); margin-bottom: .6rem; font-size: .84rem; }
.mk-meta .mk-label { display: block; margin-bottom: .1rem; font-size: .66rem; }
.mk-table-wrap { overflow-x: auto; }
.mk-table { width: 100%; min-width: 34rem; border-collapse: collapse; font-size: .84rem; }
.mk-table th { text-align: left; font-size: .68rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); padding: .45rem .5rem; border-bottom: 1px solid var(--line); }
.mk-table td { padding: .55rem .5rem; border-bottom: 1px solid #F0EBE1; vertical-align: top; }
.mk-table tr:last-child td { border-bottom: none; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 1.5rem 0 3rem; }
.contact-card { display: flex; flex-direction: column; gap: .3rem; padding: 1.2rem; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink); text-decoration: none; overflow-wrap: anywhere; }
.contact-card:hover { border-color: #CFC7B6; color: var(--ink); }
@media (max-width: 960px) {
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .mk-split-3, .mk-meta { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .tiles, .contact-grid, .mk-split-3 { grid-template-columns: 1fr; }
  .mk-split-3 > div + div { border-left: none; padding-left: 0; border-top: 1px solid var(--line); padding-top: .9rem; }
}
.shot { margin: 1rem 0 1.25rem; }
.shot img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: 12px; }
.shot figcaption { font-size: .82rem; color: var(--muted); margin-top: .45rem; }
.contact-form { max-width: 44rem; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; margin: 1.5rem 0 2rem; display: grid; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: grid; gap: .35rem; font-size: .88rem; font-weight: 600; color: var(--ink); }
.field em { font-weight: 400; font-style: normal; color: var(--muted); }
.field input, .field select, .field textarea { font: 400 .95rem/1.5 var(--sans); color: var(--ink); background: var(--paper); border: 1.5px solid var(--line); border-radius: 10px; padding: .6rem .75rem; width: 100%; box-sizing: border-box; }
.field textarea { resize: vertical; min-height: 8rem; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--green-2); background: #fff; box-shadow: 0 0 0 3px var(--green-soft); }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem; }
.form-actions .fine { margin: 0; }
.socials { max-width: 44rem; margin-bottom: 3rem; }
.social-row { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: .5rem; }
.social { display: inline-flex; align-items: center; gap: .5rem; padding: .5rem .9rem; border: 1px solid var(--line); border-radius: 999px; background: var(--card); color: var(--ink); text-decoration: none; font-weight: 600; font-size: .88rem; }
.social svg { width: 1.15rem; height: 1.15rem; color: var(--green); }
.social:hover { border-color: var(--green-2); color: var(--ink); }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } .contact-form { padding: 1.1rem; } }
/* Critical status: attention callouts and unresolved questions */
.callout-critical { display: flex; gap: .8rem; align-items: flex-start; background: var(--clay-soft); border: 1px solid #EBCDBE; border-left: 4px solid var(--clay); border-radius: 12px; }
.callout-critical strong { color: var(--clay); }
.callout-critical p { color: var(--ink); }
.callout-icon { flex: none; width: 1.5rem; height: 1.5rem; margin-top: .05rem; border-radius: 50%; background: var(--clay); color: #fff; font-weight: 700; font-size: .85rem; display: grid; place-items: center; }
.p-sec .callout-critical { margin-top: .5rem; }
.hp { position: absolute; left: -9999px; }
.callout p strong { text-transform: none; letter-spacing: 0; font-size: inherit; color: var(--ink); }

/* ---------- In-context screens (wireframe, colour only on the pattern) ---------- */
.in-context { margin: .5rem 0 1.5rem; }
.in-context > summary { cursor: pointer; display: inline-flex; gap: .35rem; align-items: center; font-weight: 600; font-size: .9rem; color: var(--green); padding: .45rem .9rem; border: 1.5px solid var(--line); border-radius: 999px; background: var(--card); list-style: none; }
.in-context > summary::-webkit-details-marker { display: none; }
.in-context > summary::before { content: '▸'; transition: transform .15s; }
.in-context[open] > summary::before { transform: rotate(90deg); }
.in-context > summary:hover { border-color: var(--green-2); }
.screen { margin: 1rem 0 .8rem; background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.screen-body { padding: 0; }
.scr { font-size: .85rem; color: var(--ink); }
.scr-top { display: flex; align-items: center; gap: .6rem; padding: .6rem .9rem; border-bottom: 1px solid #EEE9DF; background: #FAF8F4; }
.scr-logo { width: 1.1rem; height: 1.1rem; border-radius: 4px; background: #DCD6CA; }
.scr-bar { display: block; height: .5rem; border-radius: 99px; background: #E7E2D8; }
.scr-dot { width: 1.3rem; height: 1.3rem; border-radius: 50%; background: #E7E2D8; margin-left: .6rem; }
.w15 { width: 15%; } .w30 { width: 30%; } .w60 { width: 60%; } .w70 { width: 70%; } .w80 { width: 80%; } .ml { margin-left: auto; }
.scr-cols { display: grid; grid-template-columns: 2fr 3fr; min-height: 22rem; }
.scr-list { border-right: 1px solid #EEE9DF; background: #FCFBF8; }
.scr-h { display: flex; justify-content: space-between; padding: .7rem .9rem; font-weight: 600; color: #8C877D; font-size: .8rem; border-bottom: 1px solid #EEE9DF; }
.scr-h span { font-weight: 400; }
.scr-row { padding: .65rem .9rem; border-bottom: 1px solid #F1EDE5; color: #9D978C; }
.scr-row span { display: block; font-weight: 600; }
.scr-row small { font-size: .76rem; }
.scr-row.is-on { background: var(--clay-soft); color: var(--ink); border-left: 3px solid var(--clay); }
.scr-row.is-on em { font-style: normal; }
.scr-panel { padding: .9rem 1.1rem; }
.scr-ph { display: flex; justify-content: space-between; align-items: center; gap: .6rem; flex-wrap: wrap; margin-bottom: .7rem; }
.scr-post { display: grid; gap: .45rem; padding: .8rem; border: 1px dashed #E2DCCF; border-radius: 8px; margin-bottom: .8rem; }
.scr-post .scr-bar { height: .45rem; }
.scr-focus { border: 1.5px solid var(--clay); border-radius: 10px; padding: .4rem .8rem .7rem; }
.pin { display: inline-grid; place-items: center; width: 1.25rem; height: 1.25rem; margin-left: .35rem; border-radius: 50%; background: var(--clay); color: #fff; font-size: .7rem; font-weight: 700; font-style: normal; vertical-align: middle; flex: none; }
.pin-legend { list-style: none; padding: 0; margin: .4rem 0 0; display: grid; gap: .45rem; }
.pin-legend li { display: flex; gap: .6rem; align-items: flex-start; font-size: .92rem; color: var(--ink-2); }
.pin-legend .pin { margin: .1rem 0 0; }
@media (max-width: 760px) { .in-context { display: none; } }
.scr-cols-doc { grid-template-columns: 3fr 2fr; }
.scr-cols-nav { grid-template-columns: 9rem 1fr; }
.scr-nav { display: grid; align-content: start; gap: .8rem; padding: 1rem .9rem; border-right: 1px solid #EEE9DF; background: #FCFBF8; }
.scr-side { padding: .9rem 1rem; border-left: 1px solid #EEE9DF; background: #FCFBF8; display: grid; align-content: start; gap: .3rem; }
.scr-side-left { border-left: none; border-right: 1px solid #EEE9DF; }
.scr-side .scr-h { padding: 0 0 .4rem; border-bottom: none; }
.scr-h-flat { padding: 0 0 .6rem; border-bottom: none; color: #8C877D; }
.scr-doc { display: grid; align-content: start; gap: .55rem; }
.scr-line { margin: 0; font-size: .88rem; line-height: 1.6; }
.scr-hl { background: var(--amber-soft); border-bottom: 2px solid #C8962E; padding: 0 .15rem; color: var(--ink); }
.scr-hl-ok { background: var(--green-soft); border-bottom-color: var(--green-2); }
.scr-dim { color: #A39D92; }
.scr-progress { height: .4rem; border-radius: 99px; background: #EEE9DF; overflow: hidden; margin-bottom: .3rem; }
.scr-progress span { display: block; height: 100%; background: var(--green-2); }
.scr-send { display: flex; align-items: center; flex-wrap: wrap; gap: .3rem .5rem; margin-top: .6rem; }
.scr-send .mk-note { margin: 0; }
.scr-log { margin-top: .4rem; }
.scr-rows { display: grid; gap: .6rem; margin-top: 1rem; }
.scr-focus .scr-h-flat { padding: .3rem 0 .2rem; }
.ext { font-size: .8em; }
.acc-body li a { color: var(--green); }
.privacy-note { font-size: .88rem; color: var(--ink-2); }
.privacy-note > summary { cursor: pointer; color: var(--green); font-weight: 600; width: fit-content; }
.privacy-body { margin-top: .5rem; padding: .8rem 1rem; background: var(--paper); border-radius: 10px; }
.privacy-body p { margin: 0 0 .5rem; }
.privacy-body p:last-child { margin: 0; }
.see-also { color: var(--muted); font-size: .92rem; }
.team p + p { margin-top: 1rem; }
.survey-cta { margin-top: 1.2rem; padding: .9rem 1.1rem; background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--green-2); border-radius: 12px; font-size: .95rem; }
.survey-cta .arrow-link { white-space: nowrap; }
.survey-invite { margin-top: .9rem; }