/* Proofline Advisory - shared stylesheet
   Design tokens live at the top. Change them here, not inline. */

:root {
 --ink: #141418;
 --ink-2: #1E1E23;
 --graphite: #4A4842;
 --muted: #6B6960;
 --faint: #918E85;

 --paper: #FAF8F3;
 --paper-2: #F2EEE5;
 --paper-3: #EAE5D9;
 --rule: #DEDACF;
 --rule-soft: #E8E4DA;

  /* on dark */
 --black: #000000;
 --forest: #101713;
 --rule-forest: #24312A;
 --on-black: #E6E3DA;
 --on-black-dim: #A5A299;
 --rule-black: #2B2B2F;
 --rule-black-2: #4D4D55;
 --paper-dim: #C2BEB2;
 --paper-faint: #8A8880;
 --rule-dark: #34343A;
 --rule-dark-2: #55534D;

  /* the four engagement stages - used everywhere the arc appears */
 --s1: #A24A33;   /* discovery - brick */
 --s2: #B5862F;   /* assessment - ochre */
 --s3: #446A88;   /* plan - slate blue */
 --s4: #256B4C;   /* outcomes - forest */
 --s1-pale: #F8EFEB;
 --s2-pale: #F8F1E1;
 --s3-pale: #EDF1F5;
 --s4-pale: #E4EFE8;
 --s1-deep: #77321F;
 --s2-deep: #7D5A18;
 --s3-deep: #2C4B63;
 --s4-deep: #144D33;

 --signal: #1F6F4A;
 --signal-deep: #144D33;
 --signal-bright: #35A877;   /* green legible on ink */
 --signal-pale: #E4EFE8;

 --clay: #9B3A2E;

 --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
 --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

 --maxw: 1120px;
 --measure: 66ch;
 --pad-x: 32px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.62;
 -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; }

a { color: var(--signal-deep); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--ink); }

:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad-x); }
.measure { max-width: var(--measure); }

h1, h2, h3, h4 { font-weight: 600; line-height: 1.22; letter-spacing: -0.03em; margin: 0 0 0.5em; }
h1 { font-size: clamp(3rem, 7.4vw, 5.2rem); letter-spacing: -0.045em; line-height: 1.12; }
h2 { font-size: clamp(2rem, 4.2vw, 2.9rem); letter-spacing: -0.035em; line-height: 1.18; }
h3 { font-size: 1.35rem; line-height: 1.3; }
h4 { font-size: 1.06rem; letter-spacing: -0.015em; line-height: 1.35; }

p { margin: 0 0 1.1em; }
p.lead { font-size: 1.28rem; color: var(--graphite); line-height: 1.5; }

.sans { font-family: var(--font-sans); }
.num { font-family: var(--font-sans); font-variant-numeric: tabular-nums; }

.meta { font-family: var(--font-sans); font-size: 0.83rem; color: var(--muted); }

/* ---------- header ---------- */

.masthead {
  position: sticky; top: 0; z-index: 40;
  background: rgba(250, 248, 243, 0.94);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.masthead-in {
  max-width: var(--maxw); margin: 0 auto;
  padding: 16px var(--pad-x);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand-name { font-size: 1.42rem; font-weight: 600; letter-spacing: -0.04em; line-height: 1; }
.brand-sub { font-family: var(--font-sans); font-size: 0.66rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); margin-top: 3px; }

.nav { display: flex; align-items: center; gap: 28px; font-family: var(--font-sans); font-size: 1.02rem; }
.nav a { color: var(--graphite); text-decoration: none; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--ink); border-bottom-color: var(--rule); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--signal); }

.nav a.nav-cta {
  border: 1px solid var(--ink); border-bottom-color: var(--ink);
  border-radius: 2px; padding: 9px 17px; color: var(--ink); margin-left: 4px;
}
.nav a.nav-cta:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.nav-toggle { display: none; background: none; border: 1px solid var(--rule); border-radius: 2px; padding: 7px 11px; font-family: var(--font-sans); font-size: 0.85rem; color: var(--ink); cursor: pointer; }

/* ---------- buttons ---------- */

.btn {
  display: inline-block; font-family: var(--font-sans); font-size: 0.95rem; font-weight: 500;
  padding: 13px 24px; border-radius: 2px;
  border: 1px solid var(--ink); background: var(--ink); color: var(--paper);
  text-decoration: none; cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
}
.btn:hover { background: var(--signal-deep); border-color: var(--signal-deep); color: var(--paper); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn-ghost:hover { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.45; cursor: not-allowed; }

.dark .btn { background: var(--signal-bright); border-color: var(--signal-bright); color: #08281B; }
.dark .btn:hover { background: #4CBF8B; border-color: #4CBF8B; color: #08281B; }
.dark .btn-ghost { background: transparent; color: #FFFFFF; border-color: var(--rule-black-2); }
.dark .btn-ghost:hover { border-color: #FFFFFF; color: #FFFFFF; }

/* ---------- sections ---------- */

section { padding: 96px 0; }
section.tight { padding: 52px 0; }
.band-stone { background: #EFEBE1; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.band { background: var(--paper-2); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }

/* dark inverted band - full inversion, used three times across the site */
.dark { background: var(--black); color: #FFFFFF; position: relative; overflow: hidden; }
.dark::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(#FFFFFF 1px, transparent 1px), linear-gradient(90deg, #FFFFFF 1px, transparent 1px);
  background-size: 48px 48px; opacity: 0.07;
}
.dark > * { position: relative; }
.dark h1, .dark h2, .dark h3, .dark h4 { color: #FFFFFF; }
.dark p, .dark li { color: var(--on-black); }
.dark p.lead { color: #FFFFFF; }
.dark .meta { color: var(--on-black-dim); }
.dark a { color: var(--signal-bright); }
.dark a:hover { color: #FFFFFF; }
.dark .panel { background: #0B0B0D; border-color: var(--rule-black); }
.dark .panel h3, .dark .panel h4, .dark .panel strong { color: #FFFFFF; }
.dark .ns { border-top-color: var(--rule-black); }

.dark.forest { background: var(--forest); }
.dark.forest::before { background-size: 72px 72px; opacity: 0.022; }
.dark.forest .panel { background: #0B120E; border-color: var(--rule-forest); }

.srule { position: relative; border: 0; border-top: 1px solid var(--rule); margin: 0; }
.srule::before { content: ""; position: absolute; left: 0; top: -3.5px; width: 7px; height: 7px; background: var(--signal); }

.section-head { margin-bottom: 40px; }
.section-head h2 { max-width: 20ch; }
.section-head p { max-width: var(--measure); color: var(--graphite); margin-bottom: 0; }
.dark .section-head p { color: var(--on-black); }

/* ---------- grids ---------- */

.grid { display: grid; gap: 28px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.split { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 56px; align-items: start; }

/* ---------- stage color blocks ---------- */

.stageblocks { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.sb { padding: 26px 22px 30px; color: #fff; text-decoration: none; display: block; }
.sb:hover { color: #fff; }
.sb-n { font-family: var(--font-sans); font-size: 0.74rem; opacity: 0.82; }
.sb-t { font-family: var(--font-serif); font-size: 1.45rem; font-weight: 600; letter-spacing: -0.03em; margin-top: 3px; }
.sb-d { font-family: var(--font-sans); font-size: 0.85rem; margin-top: 10px; line-height: 1.45; opacity: 0.88; }
.sb-1 { background: var(--s1); }
.sb-2 { background: var(--s2); }
.sb-3 { background: var(--s3); }
.sb-4 { background: var(--s4); }

/* numbers strip */
.numstrip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 26px; }
.ns { border-top: 3px solid var(--rule); padding-top: 13px; }
.ns-1 { border-top-color: var(--s1); }
.ns-2 { border-top-color: var(--s2); }
.ns-3 { border-top-color: var(--s3); }
.ns-4 { border-top-color: var(--s4); }
.ns-n { font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-size: 2.1rem; font-weight: 600; letter-spacing: -0.035em; line-height: 1.05; }
.ns-l { font-family: var(--font-sans); font-size: 0.88rem; color: var(--muted); margin-top: 6px; line-height: 1.4; }
.dark .ns-l { color: var(--on-black-dim); }

/* ---------- cards ---------- */

.panel { background: var(--paper); border: 1px solid var(--rule); border-radius: 2px; padding: 28px; }
.panel-quiet { background: var(--paper-2); border-color: var(--rule-soft); }
.panel-1 { border-top: 3px solid var(--s1); }
.panel-2 { border-top: 3px solid var(--s2); }
.panel-3 { border-top: 3px solid var(--s3); }
.panel-4 { border-top: 3px solid var(--s4); }

.stat { border-top: 2px solid var(--ink); padding-top: 12px; }
.stat-n { font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-size: 2.1rem; font-weight: 600; line-height: 1.05; letter-spacing: -0.03em; }
.stat-l { font-family: var(--font-sans); font-size: 0.86rem; color: var(--muted); margin-top: 6px; line-height: 1.4; }

.tag { display: inline-block; font-family: var(--font-sans); font-size: 0.78rem; padding: 4px 10px; border-radius: 2px; background: var(--paper-3); color: var(--graphite); }
.tag-1 { background: var(--s1-pale); color: var(--s1-deep); }
.tag-2 { background: var(--s2-pale); color: var(--s2-deep); }
.tag-3 { background: var(--s3-pale); color: var(--s3-deep); }
.tag-4 { background: var(--s4-pale); color: var(--s4-deep); }
.tag-signal { background: var(--signal-pale); color: var(--signal-deep); }
.dark .tag { background: var(--rule-black); color: var(--on-black); }

/* ---------- forms ---------- */

label { font-family: var(--font-sans); font-size: 0.88rem; color: var(--graphite); display: block; margin-bottom: 6px; }
input[type="text"], input[type="email"], select, textarea {
  width: 100%; font-family: var(--font-sans); font-size: 0.95rem; color: var(--ink);
  background: #fff; border: 1px solid var(--rule); border-radius: 2px; padding: 12px 13px;
}
input:focus, select:focus, textarea:focus { border-color: var(--signal); outline: none; box-shadow: 0 0 0 3px rgba(31,111,74,0.12); }
textarea { resize: vertical; min-height: 130px; line-height: 1.5; }
.field { margin-bottom: 18px; }
.err { font-family: var(--font-sans); font-size: 0.82rem; color: var(--clay); margin-top: 6px; display: none; }
.field.invalid .err { display: block; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: var(--clay); }

/* ---------- footer ---------- */

.foot-bar { height: 5px; display: grid; grid-template-columns: repeat(4, 1fr); }
.foot-bar span:nth-child(1) { background: var(--s1); }
.foot-bar span:nth-child(2) { background: var(--s2); }
.foot-bar span:nth-child(3) { background: var(--s3); }
.foot-bar span:nth-child(4) { background: var(--s4); }

.foot { background: var(--paper-2); border-top: 1px solid var(--rule); padding: 50px 0 42px; }
.foot-in { display: flex; flex-wrap: wrap; gap: 32px; justify-content: space-between; align-items: flex-start; }
.foot a { color: var(--graphite); text-decoration: none; display: block; font-family: var(--font-sans); font-size: 0.94rem; padding: 3px 0; }
.foot a:hover { color: var(--ink); text-decoration: underline; }
.foot-note { font-family: var(--font-sans); font-size: 0.82rem; color: var(--faint); margin-top: 32px; }

/* ---------- utility ---------- */

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.mb0 { margin-bottom: 0; }
.mt24 { margin-top: 24px; }
.mt40 { margin-top: 40px; }
.center-x { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .g4, .numstrip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .g3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .stageblocks { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  :root { --pad-x: 20px; }
  body { font-size: 17px; }
  section { padding: 56px 0; }
  .g2, .g3, .g4, .numstrip { grid-template-columns: minmax(0, 1fr); }
  .stageblocks { grid-template-columns: minmax(0, 1fr); }
  .nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--rule);
    flex-direction: column; align-items: flex-start; gap: 0; padding: 8px var(--pad-x) 16px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--rule-soft); }
  .nav a.nav-cta { border: 1px solid var(--ink); padding: 11px 15px; margin: 10px 0 0; text-align: center; }
  .nav-toggle { display: block; }
  .masthead-in { position: relative; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

@media print {
  .masthead, .nav-toggle, .foot { display: none; }
  body { background: #fff; }
  .dark { background: #fff !important; color: #000 !important; }
  .dark::before { display: none; }
  .dark h1, .dark h2, .dark h3, .dark p { color: #000 !important; }
}

/* ---------- value-scaled bars ----------
   Each bar takes its colour from its own score, not the overall tier.
   0-34 clay · 35-54 amber · 55-74 slate · 75-100 green */
.v1 { background: var(--s1) !important; }
.v2 { background: var(--s2) !important; }
.v3 { background: var(--s3) !important; }
.v4 { background: var(--s4) !important; }

/* ---------- result strip - one outcome, told as before to after ---------- */
.result { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 44px; align-items: center; }
.result-ba { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.result-from { font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-size: 2.1rem; font-weight: 500; color: var(--faint); text-decoration: line-through; text-decoration-thickness: 2px; letter-spacing: -0.03em; }
.result-arrow { font-family: var(--font-sans); font-size: 1.5rem; color: var(--muted); }
.result-to { font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-size: clamp(3rem, 6vw, 4.2rem); font-weight: 600; color: var(--s4); letter-spacing: -0.045em; line-height: 1; }
.result-what { font-family: var(--font-sans); font-size: 1rem; color: var(--graphite); margin-top: 8px; }
.result-side { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
.result-n { font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-size: 1.7rem; font-weight: 600; letter-spacing: -0.03em; line-height: 1.1; }
.result-l { font-family: var(--font-sans); font-size: 0.88rem; color: var(--muted); margin-top: 6px; line-height: 1.45; }

/* ---------- executive problem cards ---------- */
.prob { border-top: 1px solid var(--rule); padding: 22px 0; }
.prob:last-child { border-bottom: 1px solid var(--rule); }
.prob-q { font-size: 1.15rem; font-weight: 600; letter-spacing: -0.02em; margin: 0 0 6px; }
.prob-a { font-family: var(--font-sans); font-size: 0.94rem; color: var(--graphite); margin: 0; line-height: 1.5; }

@media (max-width: 860px) {
  .result { grid-template-columns: minmax(0, 1fr); gap: 32px; }
}

/* ---------- eyebrow ---------- */
.eyebrow { font-family: var(--font-sans); font-size: 0.76rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin: 0 0 14px; }
.dark .eyebrow { color: var(--on-black-dim); }

/* ---------- process map with decision gates ---------- */
.procmap { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: start; gap: 0; }
.pm-stage { padding: 0 20px 0 0; }
.pm-num { font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-size: 0.78rem; color: var(--on-black-dim); }
.pm-name { font-family: var(--font-serif); font-size: 1.32rem; font-weight: 600; letter-spacing: -0.03em; color: #FFFFFF; margin: 4px 0 2px; }
.pm-when { font-family: var(--font-sans); font-size: 0.82rem; margin-bottom: 10px; }
.pm-when-1 { color: #C8765C; } .pm-when-2 { color: #D2A254; }
.pm-when-3 { color: #7FA3C0; } .pm-when-4 { color: var(--signal-bright); }
.pm-d { font-family: var(--font-sans); font-size: 0.88rem; color: var(--on-black); line-height: 1.45; margin: 0; max-width: 26ch; }
.pm-rule { height: 1px; background: var(--rule-forest); margin-bottom: 20px; }
.pm-rule-1 { background: #C8765C; } .pm-rule-2 { background: #D2A254; }
.pm-rule-3 { background: #7FA3C0; } .pm-rule-4 { background: var(--signal-bright); }

.pm-gate { display: flex; flex-direction: column; align-items: center; padding: 0 14px; }
.pm-gate svg { display: block; overflow: visible; }
.pm-gate-l { font-family: var(--font-sans); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--on-black-dim); margin-top: 9px; writing-mode: horizontal-tb; }

@media (max-width: 900px) {
  .procmap { grid-template-columns: minmax(0, 1fr); }
  .pm-stage { padding: 0 0 4px; }
  .pm-gate { flex-direction: row; gap: 10px; align-items: center; padding: 14px 0; justify-content: flex-start; }
  .pm-gate-l { margin-top: 0; }
}

/* ---------- stage exhibits inside the accordions ---------- */
.exhibit { background: var(--paper); border: 1px solid var(--rule); border-radius: 2px; padding: 18px 20px; margin-top: 18px; }
.exhibit-cap { font-family: var(--font-sans); font-size: 0.78rem; color: var(--muted); margin: 0 0 14px; }

.flowsteps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.fs { border-top: 2px solid var(--rule); padding-top: 9px; }
.fs.hot { border-top-color: var(--s1); }
.fs-n { font-family: var(--font-sans); font-size: 0.8rem; color: var(--graphite); line-height: 1.3; }
.fs-t { font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-size: 1.05rem; font-weight: 600; margin-top: 6px; }
.fs.hot .fs-t { color: var(--s1); }
.flowsum { display: flex; gap: 34px; flex-wrap: wrap; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--rule); }
.flowsum-l { font-family: var(--font-sans); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.flowsum-v { font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-size: 1.4rem; font-weight: 600; letter-spacing: -0.02em; margin-top: 3px; }

.minibars { display: grid; gap: 7px; }
.mb-row { display: grid; grid-template-columns: 132px 1fr 30px; align-items: center; gap: 12px; font-family: var(--font-sans); font-size: 0.84rem; color: var(--graphite); }
.mb-track { height: 7px; background: var(--paper-3); border-radius: 1px; overflow: hidden; }
.mb-fill { display: block; height: 100%; }
.mb-val { text-align: right; font-variant-numeric: tabular-nums; color: var(--muted); font-size: 0.8rem; }
.mb-row.constraint { color: var(--s1-deep); font-weight: 600; }

.roadmap { display: flex; align-items: center; gap: 0; flex-wrap: wrap; }
.rm-box { font-family: var(--font-sans); font-size: 0.84rem; border: 1px solid var(--rule); border-radius: 2px; padding: 9px 14px; background: var(--paper); }
.rm-box b { display: block; font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 500; margin-bottom: 2px; }
.rm-line { width: 22px; height: 1px; background: var(--rule); }
.rm-gate { font-family: var(--font-sans); font-size: 0.7rem; letter-spacing: 0.06em; color: var(--s3-deep); padding: 0 8px; white-space: nowrap; }

.ba { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.ba-from { font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-size: 1.5rem; font-weight: 500; color: var(--faint); text-decoration: line-through; text-decoration-thickness: 2px; }
.ba-to { font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-size: 2.5rem; font-weight: 600; color: var(--s4); letter-spacing: -0.04em; line-height: 1; }
.ba-l { font-family: var(--font-sans); font-size: 0.86rem; color: var(--graphite); margin: 8px 0 0; }

/* ---------- leave-with / decision gate blocks ---------- */
.blk-l { font-family: var(--font-sans); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin: 20px 0 8px; }
.gate-note { font-family: var(--font-sans); font-size: 0.94rem; color: var(--ink); border-left: 2px solid var(--s3); padding-left: 14px; margin: 8px 0 0; }

/* ---------- how we work principles ---------- */
.principles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 48px; }
.principle { border-top: 1px solid var(--rule); padding: 22px 0; }
.principle h3 { font-size: 1.12rem; margin: 0 0 6px; }
.principle p { font-family: var(--font-sans); font-size: 0.94rem; color: var(--graphite); margin: 0; line-height: 1.5; }

/* ---------- big number anchors ---------- */
.anchors { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 26px; }
.anchor-n { font-family: var(--font-serif); font-size: 2.2rem; font-weight: 600; letter-spacing: -0.04em; line-height: 1; }
.anchor-l { font-family: var(--font-sans); font-size: 0.86rem; color: var(--muted); margin-top: 8px; line-height: 1.4; }

@media (max-width: 760px) {
  .flowsteps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .principles, .anchors { grid-template-columns: minmax(0, 1fr); }
  .mb-row { grid-template-columns: 104px 1fr 26px; font-size: 0.79rem; }
  .roadmap { flex-direction: column; align-items: flex-start; gap: 6px; }
  .rm-line { width: 1px; height: 14px; margin-left: 18px; }
}

/* ---------- case studies ---------- */
.case-card {
  display:grid; grid-template-columns:76px minmax(0,1fr); gap:24px; align-items:start;
  text-decoration:none; color:inherit;
  background:var(--paper); border:1px solid var(--rule); border-radius:2px;
  padding:34px 36px; margin-bottom:26px;
  transition:border-color 140ms ease, transform 140ms ease;
}
.case-card:last-of-type { margin-bottom:0; }
.case-card:hover { color:inherit; border-color:var(--ink); }
.case-card.alt { background:#EFEBE1; }
.case-card.invert { background:var(--forest); border-color:var(--forest); position:relative; overflow:hidden; }
.case-card.invert::before {
  content:""; position:absolute; inset:0; pointer-events:none;
  background-image:linear-gradient(#FFF 1px, transparent 1px), linear-gradient(90deg, #FFF 1px, transparent 1px);
  background-size:56px 56px; opacity:0.022;
}
.case-card.invert > * { position:relative; }
.case-card.invert:hover { border-color:var(--signal-bright); }

.cc-num {
  font-family:var(--font-sans); font-variant-numeric:tabular-nums;
  font-size:1.9rem; font-weight:600; letter-spacing:-0.04em; line-height:1;
  border-top:3px solid var(--rule); padding-top:12px;
}
.cc-1 .cc-num { color:var(--s1); border-top-color:var(--s1); }
.cc-2 .cc-num { color:var(--s2); border-top-color:var(--s2); }
.cc-3 .cc-num { color:var(--s3); border-top-color:var(--s3); }
.cc-4 .cc-num { color:var(--s4); border-top-color:var(--s4); }
.cc-5 .cc-num { color:var(--signal-bright); border-top-color:var(--signal-bright); }

.cc-cat { font-family:var(--font-sans); font-size:0.76rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--muted); display:block; margin-bottom:14px; }
.cc-head { font-size:1.55rem; line-height:1.25; letter-spacing:-0.03em; margin:0 0 10px; max-width:28ch; }
.cc-label { font-family:var(--font-sans); font-size:1rem; font-weight:600; letter-spacing:-0.01em; color:var(--ink); margin:0 0 9px; }
.cc-take { font-size:1.04rem; font-style:italic; color:var(--ink); border-left:2px solid var(--s4); padding-left:14px; margin:0 0 14px; max-width:54ch; }
.cc-read { font-family:var(--font-sans); font-size:0.98rem; color:var(--s4-deep); margin:0; }
.case-card:hover .cc-read { color:var(--ink); }

.case-card.invert .cc-cat { color:var(--on-black-dim); }
.case-card.invert .cc-head { color:#FFF; }
.case-card.invert .cc-label { color:#FFF; }
.case-card.invert .cc-take { color:var(--on-black); border-left-color:var(--signal-bright); }
.case-card.invert .cc-read { color:var(--signal-bright); }
.case-card.invert:hover .cc-read { color:#FFF; }

@media (max-width:700px){
  .case-card { grid-template-columns:minmax(0,1fr); gap:14px; padding:26px 22px; margin-bottom:20px; }
  .cc-num { font-size:1.5rem; padding-top:10px; }
  .cc-head { font-size:1.28rem; }
}

/* portfolio strip */
.pf { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:0; border-top:1px solid var(--rule); }
.pf-c { padding:16px 16px 18px 0; border-top:3px solid var(--rule); margin-top:-1px; }
.pf-c.c1 { border-top-color:var(--s1); } .pf-c.c2 { border-top-color:var(--s2); }
.pf-c.c3 { border-top-color:var(--s3); } .pf-c.c4 { border-top-color:var(--s4); }
.pf-c.c5 { border-top-color:var(--ink); }
.pf-v { font-family:var(--font-sans); font-size:0.76rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--ink); }
.pf-d { font-family:var(--font-sans); font-size:0.84rem; color:var(--muted); margin-top:6px; line-height:1.4; }

/* case hero + at a glance */
.glance { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:26px; margin-top:40px; padding-top:26px; border-top:1px solid var(--rule-black); }
.g-l { font-family:var(--font-sans); font-size:0.72rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--on-black-dim); }
.g-v { font-size:1.08rem; font-weight:600; letter-spacing:-0.02em; margin-top:7px; line-height:1.3; color:#FFF; }

/* stage nav */
.stagenav-sticky { position:sticky; top:72px; z-index:20; background:rgba(250,248,243,0.95); backdrop-filter:saturate(180%) blur(8px); border-bottom:1px solid var(--rule); }
.sn-in { max-width:var(--maxw); margin:0 auto; padding:0 var(--pad-x); display:flex; gap:28px; overflow-x:auto; }
.sn-in a { font-family:var(--font-sans); font-size:0.86rem; color:var(--muted); text-decoration:none; padding:14px 0; border-bottom:2px solid transparent; white-space:nowrap; }
.sn-in a:hover { color:var(--ink); }
.sn-in a.active { color:var(--ink); border-bottom-color:var(--s4); }

.stage { padding:64px 0; border-top:1px solid var(--rule); scroll-margin-top:132px; }
.stage:first-of-type { border-top:0; }
.stage-k { font-family:var(--font-sans); font-size:0.74rem; letter-spacing:0.14em; text-transform:uppercase; color:var(--muted); margin:0 0 12px; }
.stage h2 { max-width:24ch; }
.stage p { max-width:68ch; }
.stage ul { max-width:68ch; font-family:var(--font-sans); font-size:0.97rem; color:var(--graphite); line-height:1.65; padding-left:18px; }

/* case exhibits */
.ex { background:var(--paper); border:1px solid var(--rule); border-radius:2px; padding:30px 32px; }
.ex-cap { font-family:var(--font-sans); font-size:0.78rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--muted); margin:0 0 22px; }
.ex-note { font-family:var(--font-sans); font-size:0.86rem; color:var(--muted); margin:20px 0 0; max-width:64ch; }

.chain { display:grid; gap:0; }
.chain-node { border-left:2px solid var(--rule); padding:0 0 22px 22px; position:relative; }
.chain-node:last-child { padding-bottom:0; border-left-color:transparent; }
.chain-node::before { content:""; position:absolute; left:-6px; top:4px; width:10px; height:10px; border-radius:50%; background:var(--paper); border:2px solid var(--rule); }
.chain-node.ai::before { border-color:var(--s3); background:var(--s3); }
.chain-node.human::before { border-color:var(--s1); background:var(--s1); }
.chain-node.out::before { border-color:var(--s4); background:var(--s4); }
.chain-who { font-family:var(--font-sans); font-size:0.7rem; letter-spacing:0.1em; text-transform:uppercase; margin-bottom:3px; }
.chain-node.ai .chain-who { color:var(--s3-deep); }
.chain-node.human .chain-who { color:var(--s1-deep); }
.chain-node.out .chain-who { color:var(--s4-deep); }
.chain-t { font-size:1.06rem; font-weight:600; letter-spacing:-0.02em; margin:0 0 3px; }
.chain-d { font-family:var(--font-sans); font-size:0.9rem; color:var(--graphite); margin:0; }

.takeaway { background:var(--paper-2); border-left:3px solid var(--s4); padding:30px 32px; }
.takeaway h2 { font-size:1.7rem; line-height:1.22; max-width:24ch; margin-bottom:12px; }
.takeaway p { max-width:66ch; color:var(--graphite); margin:0; }

@media (max-width:860px){
  .glance { grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px; }
  .pf { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .cc-head { font-size:1.35rem; }
  .stagenav-sticky { top:66px; }
  .ex { padding:22px 20px; }
}
@media (max-width:560px){
  .glance { grid-template-columns:minmax(0,1fr); }
  .pf { grid-template-columns:minmax(0,1fr); }
}

/* ---------- why us ---------- */
.founder { display:grid; grid-template-columns:minmax(0,36fr) minmax(0,64fr); gap:52px; align-items:start; }
.portrait-frame { border:1px solid var(--rule); border-radius:2px; overflow:hidden; background:var(--paper-3); }
.portrait-frame img { display:block; width:100%; height:auto; filter:saturate(0.82) contrast(1.02); }
.portrait-ph {
  aspect-ratio:4/5; display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; padding:26px; gap:8px;
  font-family:var(--font-sans); color:var(--faint); background:var(--paper-3);
}
.portrait-ph b { font-size:0.84rem; font-weight:600; color:var(--graphite); }
.portrait-ph span { font-size:0.76rem; line-height:1.5; }
.portrait-cap { font-family:var(--font-sans); font-size:0.78rem; color:var(--muted); margin:10px 0 0; }

.f-name { font-size:1.6rem; line-height:1.25; letter-spacing:-0.03em; margin:0 0 2px; }
.f-title { font-family:var(--font-sans); font-size:0.95rem; color:var(--graphite); margin:0; }
.f-link { font-family:var(--font-sans); font-size:0.9rem; display:inline-block; margin-top:8px; }
.f-meta { border-top:1px solid var(--rule); padding-top:20px; margin-top:26px; }

/* experience */
.exp-row { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:28px; }
.exp-n { font-size:1.75rem; font-weight:600; letter-spacing:-0.035em; line-height:1.2; }
.exp-l { font-family:var(--font-sans); font-size:0.88rem; color:var(--graphite); margin-top:8px; line-height:1.45; }
.orgs { display:flex; flex-wrap:wrap; gap:0 34px; margin-top:8px; }
.orgs span { font-family:var(--font-sans); font-size:1.02rem; color:var(--graphite); padding:10px 0; }

/* principles on forest */
.prin { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 56px; }
.prin-item { border-top:1px solid var(--rule-forest); padding:26px 0; }
.prin-n { font-family:var(--font-sans); font-variant-numeric:tabular-nums; font-size:0.8rem; color:var(--on-black-dim); }
.prin-item h3 { font-size:1.28rem; margin:6px 0 8px; color:#FFF; }
.prin-item p { font-family:var(--font-sans); font-size:0.96rem; color:var(--on-black); margin:0; line-height:1.55; max-width:44ch; }
.prin-item.feature { border-top-color:var(--signal-bright); }
.prin-item.feature .prin-n, .prin-item.feature h3 { color:var(--signal-bright); }

/* fit columns */
.fit { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0; border:1px solid var(--rule); border-radius:2px; overflow:hidden; }
.fit-col { padding:30px 32px; }
.fit-col + .fit-col { border-left:1px solid var(--rule); background:var(--paper-2); }
.fit-h { font-size:1.2rem; margin:0 0 16px; }
.fit ul { margin:0; padding-left:18px; font-family:var(--font-sans); font-size:0.96rem; color:var(--graphite); line-height:1.6; }
.fit li { margin-bottom:10px; }
.fit li:last-child { margin-bottom:0; }

/* principle pull quote */
.pquote { border-top:1px solid var(--rule); border-bottom:1px solid var(--rule); padding:44px 0; }
.pquote p { font-size:clamp(1.5rem,3.2vw,2.15rem); letter-spacing:-0.03em; line-height:1.32; max-width:24ch; margin:12px 0 0; }

@media (max-width:860px){
  .founder { grid-template-columns:minmax(0,1fr); gap:30px; }
  .portrait-frame { max-width:300px; }
  .exp-row { grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; }
  .prin { grid-template-columns:minmax(0,1fr); gap:0; }
  .fit { grid-template-columns:minmax(0,1fr); }
  .fit-col + .fit-col { border-left:0; border-top:1px solid var(--rule); }
}
@media (max-width:560px){
  .exp-row { grid-template-columns:minmax(0,1fr); }
  .orgs { gap:0 22px; }
}

/* =========================================================================
   Evidence layer - added in the 2026 refresh.
   Everything below is additive. No token above this line was changed.
   ========================================================================= */

:root {
  /* six assessment-dimension colours, derived from the existing stage palette */
  --a1: #446A88; --a1-pale: #EEF2F6; --a1-deep: #2C4B63;   /* data       */
  --a2: #A24A33; --a2-pale: #F9F0EC; --a2-deep: #77321F;   /* process    */
  --a3: #256B4C; --a3-pale: #E9F1EC; --a3-deep: #144D33;   /* technology */
  --a4: #B5862F; --a4-pale: #F9F3E4; --a4-deep: #7D5A18;   /* adoption   */
  --a5: #9A5A41; --a5-pale: #F7F0EB; --a5-deep: #6B3826;   /* risk       */
  --a6: #2F5E5E; --a6-pale: #E9F0F0; --a6-deep: #1C4040;   /* leadership */

  /* barely-there case-study tints - 95% neutral */
  --t-cream: #F7F3EA;
  --t-blue:  #F1F4F7;
  --t-sage:  #EFF3F0;
  --t-gold:  #F8F4E9;
  --t-rust:  #F8F1ED;
}

/* ---------- evidence bands: large metrics, centred, never edge-to-edge ---------- */

.evidence { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: var(--paper); }
.ev-cap { font-family: var(--font-sans); font-size: 0.76rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin: 0 0 34px; }
.ev-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 40px 36px; }
.ev-grid.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.ev-item { }
.ev-rule { display: block; width: 40px; height: 2px; background: var(--rule); margin-bottom: 18px; }
.ev-1 .ev-rule { background: var(--s1); } .ev-1 .ev-n { color: var(--s1-deep); }
.ev-2 .ev-rule { background: var(--s2); } .ev-2 .ev-n { color: var(--s2-deep); }
.ev-3 .ev-rule { background: var(--s3); } .ev-3 .ev-n { color: var(--s3-deep); }
.ev-4 .ev-rule { background: var(--s4); } .ev-4 .ev-n { color: var(--s4-deep); }
.ev-n {
  font-family: var(--font-sans); font-variant-numeric: tabular-nums;
  font-size: clamp(2.5rem, 4.8vw, 3.6rem); font-weight: 600;
  letter-spacing: -0.05em; line-height: 0.98;
}
.ev-l { font-family: var(--font-sans); font-size: 0.93rem; color: var(--graphite); line-height: 1.45; margin-top: 12px; max-width: 26ch; }
.ev-note { font-family: var(--font-sans); font-size: 0.82rem; color: var(--faint); margin: 34px 0 0; max-width: 72ch; }

/* smaller secondary tier */
.ev-grid.tier2 { gap: 28px; }
.tier2 .ev-n { font-size: clamp(1.7rem, 2.6vw, 2.1rem); }
.tier2 .ev-l { font-size: 0.88rem; margin-top: 8px; }
.tier2 .ev-rule { width: 30px; margin-bottom: 12px; }

.dark .ev-l { color: var(--on-black); }
.dark .ev-note { color: var(--on-black-dim); }
.dark .ev-1 .ev-n { color: #C8765C; } .dark .ev-2 .ev-n { color: #D2A254; }
.dark .ev-3 .ev-n { color: #7FA3C0; } .dark .ev-4 .ev-n { color: var(--signal-bright); }

/* ---------- outcomes band (links through to the cases) ---------- */

.outc { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 34px; }
.outc-item { display: block; text-decoration: none; color: inherit; border-top: 3px solid var(--rule); padding-top: 16px; transition: border-color 140ms ease; }
.outc-item:hover { color: inherit; }
.outc-item:hover .outc-n { text-decoration: underline; text-underline-offset: 5px; }
.outc-1 { border-top-color: var(--s1); } .outc-1 .outc-n { color: var(--s1-deep); }
.outc-2 { border-top-color: var(--s2); } .outc-2 .outc-n { color: var(--s2-deep); }
.outc-3 { border-top-color: var(--s3); } .outc-3 .outc-n { color: var(--s3-deep); }
.outc-4 { border-top-color: var(--s4); } .outc-4 .outc-n { color: var(--s4-deep); }
.outc-n { font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-size: clamp(2.1rem, 3.6vw, 2.8rem); font-weight: 600; letter-spacing: -0.045em; line-height: 1; }
.outc-l { font-family: var(--font-sans); font-size: 0.95rem; font-weight: 600; color: var(--ink); margin-top: 10px; line-height: 1.35; }
.outc-c { font-family: var(--font-sans); font-size: 0.85rem; color: var(--muted); margin-top: 5px; line-height: 1.45; }

/* ---------- career arc ---------- */

.arc { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--rule); margin-top: 8px; }
.arc-step { padding: 16px 18px 0 0; position: relative; }
.arc-dot { position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--rule); }
.arc-step:nth-child(1) .arc-dot { background: var(--s1); }
.arc-step:nth-child(2) .arc-dot { background: var(--s2); }
.arc-step:nth-child(3) .arc-dot { background: var(--s3); }
.arc-step:nth-child(4) .arc-dot { background: var(--s4); }
.arc-step:nth-child(5) .arc-dot { background: var(--ink); }
.arc-t { font-family: var(--font-sans); font-size: 0.93rem; font-weight: 600; color: var(--ink); line-height: 1.3; }
.arc-d { font-family: var(--font-sans); font-size: 0.82rem; color: var(--muted); margin-top: 4px; line-height: 1.4; }

/* ---------- case study blocks: alternating layout + barely-there tint ---------- */

.csx {
  display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
  gap: 56px; align-items: start;
  border: 1px solid var(--rule); border-radius: 2px;
  padding: 44px 46px; margin-bottom: 28px;
  transition: border-color 140ms ease;
}
.csx:hover { border-color: var(--rule); }
.csx-t1 { background: var(--t-cream); }
.csx-t2 { background: var(--t-blue); }
.csx-t3 { background: var(--t-sage); }
.csx-t4 { background: var(--t-gold); }
.csx-t5 { background: var(--t-rust); }
.csx.rev .csx-story { order: 2; }
.csx.rev .csx-out { order: 1; }

.csx-n { font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.08em; }
.csx-org { font-family: var(--font-sans); font-size: 1rem; font-weight: 600; color: var(--ink); margin: 10px 0 0; }
.csx-scale { font-family: var(--font-sans); font-size: 0.84rem; color: var(--muted); margin: 4px 0 0; }
.csx-h { font-size: 1.62rem; line-height: 1.24; letter-spacing: -0.03em; margin: 16px 0 12px; max-width: 26ch; }
.csx-p { font-family: var(--font-sans); font-size: 0.97rem; color: var(--graphite); line-height: 1.55; margin: 0 0 14px; max-width: 48ch; }
.csx-take { font-size: 1.02rem; font-style: italic; color: var(--ink); border-left: 2px solid var(--rule); padding-left: 14px; margin: 0 0 16px; max-width: 46ch; }
.csx-read { font-family: var(--font-sans); font-size: 0.95rem; }

.csx-hero-n { font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-size: clamp(3rem, 6vw, 4.3rem); font-weight: 600; letter-spacing: -0.05em; line-height: 0.95; }
.csx-hero-l { font-family: var(--font-sans); font-size: 0.97rem; color: var(--graphite); line-height: 1.45; margin-top: 12px; max-width: 30ch; }
.csx-sub { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--rule); }
.csx-sub-n { font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-size: 1.55rem; font-weight: 600; letter-spacing: -0.035em; line-height: 1; color: var(--ink); }
.csx-sub-l { font-family: var(--font-sans); font-size: 0.85rem; color: var(--muted); margin-top: 7px; line-height: 1.4; }

.csx-1 .csx-n, .csx-1 .csx-hero-n { color: var(--s1-deep); } .csx-1 .csx-take { border-left-color: var(--s1); }
.csx-2 .csx-n, .csx-2 .csx-hero-n { color: var(--s3-deep); } .csx-2 .csx-take { border-left-color: var(--s3); }
.csx-3 .csx-n, .csx-3 .csx-hero-n { color: var(--a6-deep); } .csx-3 .csx-take { border-left-color: var(--a6); }
.csx-4 .csx-n, .csx-4 .csx-hero-n { color: var(--s2-deep); } .csx-4 .csx-take { border-left-color: var(--s2); }
.csx-5 .csx-n, .csx-5 .csx-hero-n { color: var(--s4-deep); } .csx-5 .csx-take { border-left-color: var(--s4); }

/* at-a-glance outcome strip on the individual case pages */
.gstrip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px; padding: 30px 0 0; margin-top: 34px; border-top: 1px solid var(--rule); }
.gs-n { font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-size: 2rem; font-weight: 600; letter-spacing: -0.04em; line-height: 1; }
.gs-l { font-family: var(--font-sans); font-size: 0.85rem; color: var(--muted); margin-top: 8px; line-height: 1.4; }

/* ---------- playbook resource card ---------- */

.playbook { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 48px; align-items: center; }
.pb-cover {
  aspect-ratio: 3 / 4; background: var(--forest); border-radius: 2px;
  padding: 26px 22px; display: flex; flex-direction: column; justify-content: space-between;
  position: relative; overflow: hidden;
}
.pb-bar { position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: linear-gradient(var(--s1) 0%, var(--s1) 25%, var(--s2) 25%, var(--s2) 50%, var(--s3) 50%, var(--s3) 75%, var(--signal-bright) 75%); }
.pb-k { font-family: var(--font-sans); font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--paper-faint); }
.pb-t { font-size: 1.22rem; line-height: 1.22; letter-spacing: -0.03em; color: #FFF; margin: 0; }
.pb-f { font-family: var(--font-sans); font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--signal-bright); }

@media (max-width: 900px) {
  .ev-grid, .outc { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ev-grid.g-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .csx { grid-template-columns: minmax(0, 1fr); gap: 34px; padding: 32px 28px; }
  .csx.rev .csx-story { order: 0; }
  .csx.rev .csx-out { order: 0; }
  .arc { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .arc-step { padding-bottom: 14px; }
  .gstrip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .playbook { grid-template-columns: 180px minmax(0, 1fr); gap: 30px; }
}
@media (max-width: 600px) {
  .ev-grid, .ev-grid.g-3, .outc, .arc, .gstrip { grid-template-columns: minmax(0, 1fr); }
  .csx-sub { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .playbook { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .pb-cover { max-width: 200px; }
}

/* =========================================================================
   Assessment - six-stage colour system
   ========================================================================= */

#quiz { --stg: var(--ink); --stg-pale: var(--paper-2); --stg-deep: var(--ink); }
#quiz[data-stage="1"] { --stg: var(--a1); --stg-pale: var(--a1-pale); --stg-deep: var(--a1-deep); }
#quiz[data-stage="2"] { --stg: var(--a2); --stg-pale: var(--a2-pale); --stg-deep: var(--a2-deep); }
#quiz[data-stage="3"] { --stg: var(--a3); --stg-pale: var(--a3-pale); --stg-deep: var(--a3-deep); }
#quiz[data-stage="4"] { --stg: var(--a4); --stg-pale: var(--a4-pale); --stg-deep: var(--a4-deep); }
#quiz[data-stage="5"] { --stg: var(--a5); --stg-pale: var(--a5-pale); --stg-deep: var(--a5-deep); }
#quiz[data-stage="6"] { --stg: var(--a6); --stg-pale: var(--a6-pale); --stg-deep: var(--a6-deep); }

.track { gap: 7px; }
.dim-pill {
  display: inline-flex; align-items: center; gap: 6px;
  border-top-width: 2px;
  transition: background-color 200ms ease, border-color 200ms ease, color 200ms ease;
}
.dim-pill.p1 { border-top-color: var(--a1); } .dim-pill.p2 { border-top-color: var(--a2); }
.dim-pill.p3 { border-top-color: var(--a3); } .dim-pill.p4 { border-top-color: var(--a4); }
.dim-pill.p5 { border-top-color: var(--a5); } .dim-pill.p6 { border-top-color: var(--a6); }

.dim-pill.here {
  background: var(--stg-pale); color: var(--stg-deep);
  border-color: var(--stg); border-top-color: var(--stg);
  border-width: 1px; border-top-width: 2px; font-weight: 700;
  box-shadow: inset 0 -2px 0 var(--stg);
}
.dim-pill.done { color: var(--graphite); background: transparent; border-color: var(--rule); font-weight: 600; }
.dim-pill .tick { font-size: 0.72rem; line-height: 1; }
.dim-pill.done .tick.p1 { color: var(--a1); } .dim-pill.done .tick.p2 { color: var(--a2); }
.dim-pill.done .tick.p3 { color: var(--a3); } .dim-pill.done .tick.p4 { color: var(--a4); }
.dim-pill.done .tick.p5 { color: var(--a5); } .dim-pill.done .tick.p6 { color: var(--a6); }

/* stage accent carried into the question area */
.stage-accent { display: block; width: 46px; height: 3px; background: var(--stg); margin-bottom: 14px; transition: background-color 200ms ease; }
#quiz[data-stage="0"] .stage-accent { background: var(--ink); }
.stage-tag { font-family: var(--font-sans); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--stg-deep); margin: 0 0 6px; transition: color 200ms ease; }

.opt { transition: background-color 180ms ease, border-color 180ms ease; }
.opt input { accent-color: var(--stg); }
.opt.sel { background: var(--stg-pale); box-shadow: inset 2px 0 0 var(--stg); }
.opt.sel span { color: var(--stg-deep); }
#questions .opts:focus-within { border-color: var(--stg); }

/* assessment landing: proof strip + illustrative scorecard */
.ascore { background: var(--paper); border: 1px solid var(--rule); border-radius: 2px; padding: 30px 32px; }
.ascore-n { font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-size: 3.6rem; font-weight: 600; letter-spacing: -0.05em; line-height: 1; color: var(--s4-deep); }
.ascore-l { font-family: var(--font-sans); font-size: 0.9rem; color: var(--graphite); margin-top: 6px; }
.ascore-row { display: grid; grid-template-columns: 116px 1fr 30px; align-items: center; gap: 12px; padding: 8px 0; font-family: var(--font-sans); font-size: 0.84rem; color: var(--graphite); }
.ascore-track { height: 7px; background: var(--paper-3); border-radius: 1px; overflow: hidden; }
.ascore-fill { display: block; height: 100%; }
.ascore-v { text-align: right; font-variant-numeric: tabular-nums; color: var(--muted); font-size: 0.8rem; }
.ascore-note { font-family: var(--font-sans); font-size: 0.78rem; color: var(--faint); margin: 18px 0 0; }
.aproof { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; margin: 30px 0 0; padding-top: 24px; border-top: 1px solid var(--rule); max-width: 560px; }
.aproof-n { font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-size: 1.9rem; font-weight: 600; letter-spacing: -0.04em; line-height: 1; }
.aproof-1 { color: var(--a1-deep); } .aproof-2 { color: var(--a2-deep); } .aproof-3 { color: var(--a3-deep); }
.aproof-l { font-family: var(--font-sans); font-size: 0.85rem; color: var(--muted); margin-top: 7px; }
.asplit { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 56px; align-items: start; }

@media (max-width: 860px) { .asplit { grid-template-columns: minmax(0, 1fr); gap: 40px; } }
@media (max-width: 560px) { .aproof { grid-template-columns: minmax(0, 1fr); gap: 18px; } }

@media (max-width: 680px) {
  .track { gap: 5px; }
  .dim-pill { font-size: 0.6rem; padding: 4px 7px; }
}

/* ---------- evidence bands on dark ---------- */
.dark .ev-cap { color: var(--on-black-dim); }
.dark .ev-rule { background: var(--rule-black-2); }
.dark .ev-1 .ev-rule { background: #C8765C; }
.dark .ev-2 .ev-rule { background: #D2A254; }
.dark .ev-3 .ev-rule { background: #7FA3C0; }
.dark .ev-4 .ev-rule { background: var(--signal-bright); }
.dark .orgs span { color: var(--on-black); }
.dark.forest .ev-cap { color: var(--paper-faint); }

/* ---------- case study blocks: stronger org line, black / white alternation ---------- */

.csx-org {
  font-family: var(--font-serif); font-size: 1.6rem; font-weight: 600;
  letter-spacing: -0.03em; line-height: 1.2; color: var(--ink); margin: 0;
}
.csx-scale {
  font-family: var(--font-sans); font-size: 0.95rem; color: var(--graphite);
  margin: 8px 0 0; padding-top: 0;
}
.csx-h { font-size: 1.24rem; margin: 20px 0 12px; max-width: 28ch; color: var(--ink); }
.csx-1 .csx-scale { color: var(--s1-deep); }
.csx-2 .csx-scale { color: var(--s3-deep); }
.csx-3 .csx-scale { color: var(--a6-deep); }
.csx-4 .csx-scale { color: var(--s2-deep); }
.csx-5 .csx-scale { color: var(--s4-deep); }

/* inverted cards */
.csx.inv { background: var(--black); border-color: var(--black); position: relative; overflow: hidden; }
.csx.inv::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(#FFF 1px, transparent 1px), linear-gradient(90deg, #FFF 1px, transparent 1px);
  background-size: 56px 56px; opacity: 0.045;
}
.csx.inv > * { position: relative; }
.csx.inv .csx-org { color: #FFF; }
.csx.inv .csx-h { color: #FFF; }
.csx.inv .csx-p { color: var(--on-black); }
.csx.inv .csx-take { color: var(--on-black); }
.csx.inv .csx-hero-l { color: var(--on-black); }
.csx.inv .csx-sub { border-top-color: var(--rule-black-2); }
.csx.inv .csx-sub-n { color: #FFF; }
.csx.inv .csx-sub-l { color: var(--on-black-dim); }
.csx.inv .csx-read a { color: var(--signal-bright); }
.csx.inv .csx-read a:hover { color: #FFF; }
.csx.inv.csx-1 .csx-hero-n, .csx.inv.csx-1 .csx-scale { color: #E08A6C; }
.csx.inv.csx-1 .csx-take { border-left-color: #E08A6C; }
.csx.inv.csx-3 .csx-hero-n, .csx.inv.csx-3 .csx-scale { color: #6FB7B7; }
.csx.inv.csx-3 .csx-take { border-left-color: #6FB7B7; }
.csx.inv.csx-5 .csx-hero-n, .csx.inv.csx-5 .csx-scale { color: var(--signal-bright); }
.csx.inv.csx-5 .csx-take { border-left-color: var(--signal-bright); }

/* white cards sit on the cream page, so give them a clean paper face */
.csx.pap { background: #FFFFFF; border-color: var(--rule); }
.csx.inv.csx-2 .csx-hero-n, .csx.inv.csx-2 .csx-scale { color: #7FA3C0; }
.csx.inv.csx-2 .csx-take { border-left-color: #7FA3C0; }
.csx.inv.csx-4 .csx-hero-n, .csx.inv.csx-4 .csx-scale { color: #D2A254; }
.csx.inv.csx-4 .csx-take { border-left-color: #D2A254; }


/* ---------- client logo on case cards ---------- */
.csx-logo { display:block; height:34px; width:auto; margin:0 0 14px; }
.csx-logo.sq { height:40px; }
.cslogo-row { display:flex; align-items:center; gap:14px; margin:0 0 6px; }
.cslogo-row img { height:34px; width:auto; display:block; }
.cslogo-row img.sq { height:46px; }

/* ---------- founder byline (homepage, under hero) ---------- */
.byline {
  display:grid; grid-template-columns:168px minmax(0,1fr); gap:32px; align-items:start;
  margin:0 0 40px; padding-bottom:32px; border-bottom:1px solid var(--rule);
}
.byline-pic { display:block; border:1px solid var(--rule); border-radius:2px; overflow:hidden;
  background:var(--paper-3); }
.byline-pic img { display:block; width:100%; height:auto; filter:saturate(0.82) contrast(1.02); }
.byline-name { font-size:1.5rem; line-height:1.2; letter-spacing:-0.03em; margin:0 0 2px; }
.byline-title { font-family:var(--font-sans); font-size:0.85rem; letter-spacing:0.06em;
  text-transform:uppercase; color:var(--muted); margin:0 0 12px; }
.byline-d { font-size:1rem; color:var(--graphite); margin:0; max-width:60ch; }
.byline-links { font-family:var(--font-sans); font-size:0.9rem; margin:12px 0 0; }
.byline-links span { color:var(--faint); margin:0 6px; }
@media (max-width:900px){ .byline { grid-template-columns:132px minmax(0,1fr); gap:24px; } }
@media (max-width:640px){
  .byline { grid-template-columns:104px minmax(0,1fr); gap:18px; }
  .byline-name { font-size:1.25rem; }
}

/* ---------- logo wall ---------- */
.logowall {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 30px 26px; align-items: center; margin-top: 18px;
}
.logowall img { display: block; height: auto; max-height: 30px; max-width: 100%; margin: 0 auto; }
.logowall img.tall { max-height: 44px; }
.logowall .lw { display: flex; align-items: center; justify-content: center; min-height: 48px; }
@media (max-width: 760px) { .logowall { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 20px; } }

/* ---------- resources: two downloadable guides ---------- */
.resources { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 44px 40px; }
.res { display: grid; grid-template-columns: 116px minmax(0, 1fr); gap: 24px; align-items: start; }
.res-k { font-family: var(--font-sans); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin: 0 0 8px; }
.res-t { font-size: 1.22rem; line-height: 1.24; letter-spacing: -0.03em; margin: 0 0 8px; max-width: 20ch; }
.res-q { font-family: var(--font-serif); font-size: 1rem; font-style: italic; color: var(--ink); margin: 0 0 10px; }
.res-d { font-family: var(--font-sans); font-size: 0.89rem; color: var(--graphite); line-height: 1.5; margin: 0 0 12px; }
.res-m { font-family: var(--font-sans); font-size: 0.78rem; color: var(--faint); margin: 0 0 14px; }
.res-a { font-family: var(--font-sans); font-size: 0.92rem; font-weight: 500; }

/* miniature covers, matching the two PDFs */
.res-cover { aspect-ratio: 3 / 4; border-radius: 2px; padding: 16px 14px; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; }
.res-cover .pb-bar { width: 4px; }
.res-cover .rc-k { font-family: var(--font-sans); font-size: 0.5rem; letter-spacing: 0.16em; text-transform: uppercase; }
.res-cover .rc-t { font-size: 0.86rem; line-height: 1.2; letter-spacing: -0.02em; margin: 0; }
.rc-dark { background: var(--forest); }
.rc-dark .rc-k { color: var(--paper-faint); }
.rc-dark .rc-t { color: #FFF; }
.rc-light { background: var(--paper); border: 1px solid var(--rule); }
.rc-light .rc-k { color: var(--muted); }
.rc-light .rc-t { color: var(--ink); }

@media (max-width: 860px) { .resources { grid-template-columns: minmax(0, 1fr); gap: 36px; } }
@media (max-width: 520px) { .res { grid-template-columns: 92px minmax(0, 1fr); gap: 18px; } }