:root {
  --paper: #f7f4ed;
  --paper-deep: #eee9df;
  --ink: #102b47;
  --text: #213344;
  --muted: #65717b;
  --line: rgba(22, 42, 61, .15);
  --sage: #78988a;
  --sage-light: #a9bbb1;
  --coral: #c96f51;
  --rose: #d89a8d;
  --blue: #4e7aa4;
  --lavender: #88799f;
  --ochre: #bd8736;
  --gold: #c6a361;
  --forest: #48695d;
  --shadow: 0 28px 70px rgba(38, 44, 47, .14);
  --max: 1480px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .18;
  z-index: 100;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.72' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.15'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.05; letter-spacing: -.035em; }
h1 { font-size: clamp(3rem, 5.55vw, 6rem); }
h2 { font-size: clamp(2.3rem, 4.2vw, 4.7rem); }
h3 { font-size: clamp(1.4rem, 2vw, 2rem); }
.skip-link { position: fixed; left: 1rem; top: -6rem; z-index: 200; background: var(--ink); color: white; padding: .8rem 1rem; }
.skip-link:focus { top: 1rem; }
.eyebrow {
  margin-bottom: 1.2rem;
  color: var(--sage);
  font-size: .73rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: 88px;
  padding: 0 max(4vw, 28px) 0 max(1.5vw, 14px);
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr) max-content;
  align-items: center;
  gap: 2rem;
  background: rgba(247, 244, 237, .9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.wordmark { display: flex; align-items: center; color: var(--ink); line-height: 0; margin-left: 0; }
.wordmark img { display: block; width: auto; height: 42px; }
.site-nav { display: flex; justify-self: center; gap: clamp(1rem, 2vw, 2.4rem); font-size: .73rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.site-nav a { position: relative; }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -.45rem; height: 1px; background: var(--coral); transition: right .25s ease; }
.site-nav a:hover::after { right: 0; }
.header-cta {
  justify-self: end;
  min-width: 230px;
  white-space: nowrap;
}
.menu-toggle { display: none; background: transparent; border: 1px solid var(--line); padding: .65rem .8rem; }

.button {
  min-height: 50px;
  padding: 0 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  border: 1px solid var(--ink);
  border-radius: 0;
  font-size: .75rem;
  font-weight: 650;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-dark { background: var(--ink); color: white; }
.button-dark:hover { background: #1c4164; }
.button-outline { background: transparent; color: var(--ink); }
.button-outline:hover { background: white; }
.button-light { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.button-ghost { color: white; border-color: rgba(255,255,255,.35); }
.button-row { display: flex; gap: 1rem; flex-wrap: wrap; }

.section-grid, .editorial-section, .method-preview, .solutions, .clients, .insights, .faq, .fit-section, .contact {
  max-width: var(--max);
  margin: 0 auto;
}
.hero {
  min-height: calc(100vh - 88px);
  padding: clamp(4rem, 8vw, 8rem) max(4vw, 28px) 4rem;
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(560px, 1.12fr);
  align-items: center;
  gap: clamp(2rem, 4vw, 5rem);
  overflow: hidden;
}
.hero-copy { position: relative; z-index: 3; }
.hero-copy h1 { max-width: 700px; margin-bottom: 1.6rem; color: var(--ink); }
.hero-summary { max-width: 600px; margin-bottom: 2rem; font-size: clamp(1rem, 1.3vw, 1.25rem); color: var(--text); }
.system-status { margin: 2rem 0 0; color: var(--muted); font-family: ui-monospace, monospace; font-size: .67rem; letter-spacing: .12em; text-transform: uppercase; }
.system-status span { display: inline-block; width: 7px; height: 7px; margin-right: .5rem; border-radius: 50%; background: var(--sage); box-shadow: 0 0 0 5px rgba(120,152,138,.13); }

.engine-visual {
  position: relative;
  width: min(100%, 820px);
  margin: 0;
  justify-self: end;
  isolation: isolate;
}
.engine-visual::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 12% 8% 4%;
  border-radius: 50%;
  background: rgba(188, 158, 124, .12);
  filter: blur(60px);
}
.engine-visual img {
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(.96) contrast(1.015);
  -webkit-mask-image:
    linear-gradient(to right, transparent 0, #000 4%, #000 96%, transparent 100%),
    linear-gradient(to bottom, transparent 0, #000 4%, #000 96%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(to right, transparent 0, #000 4%, #000 96%, transparent 100%),
    linear-gradient(to bottom, transparent 0, #000 4%, #000 96%, transparent 100%);
  mask-composite: intersect;
}

.trust-strip {
  padding: 2.1rem max(4vw, 28px);
  display: grid;
  grid-template-columns: .75fr 2.25fr;
  align-items: center;
  background: var(--ink);
  color: white;
}
.trust-strip p { margin: 0; color: rgba(255,255,255,.7); font-size: .67rem; letter-spacing: .15em; text-transform: uppercase; }
.trust-strip div { display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; }
.trust-strip span { display: flex; align-items: center; justify-content: center; min-height: 4.5rem; padding: .55rem 1.1rem; border-left: 1px solid rgba(255,255,255,.25); }
.trust-strip img { display: block; width: auto; max-width: min(100%, 190px); height: 58px; object-fit: contain; }
.trust-strip span:first-child img { height: 68px; }
.trust-strip img.logo-thisday { height: 52px; max-width: min(100%, 220px); background: #fff; padding: .45rem .7rem; border-radius: 4px; }

.method-preview { padding: 3.7rem max(4vw, 28px) 4.5rem; display: grid; grid-template-columns: .72fr 2.28fr; gap: 3rem; border-bottom: 1px solid var(--line); }
.preview-intro h2 { margin-bottom: 1.2rem; color: var(--ink); font-size: clamp(2rem, 3vw, 3.5rem); }
.preview-intro p:last-child { max-width: 420px; color: var(--muted); }
.phase-rail { position: relative; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6, 1fr); list-style: none; }
.phase-rail::before { content: ""; position: absolute; left: 5%; right: 5%; top: 75px; height: 1px; background: var(--ink); }
.phase-rail li { position: relative; min-width: 0; padding: 0 .7rem; display: grid; justify-items: center; text-align: center; color: var(--ink); }
.phase-rail span { font-family: Georgia, serif; font-size: 1.65rem; color: var(--phase); }
.phase-rail i { z-index: 1; width: 58px; height: 58px; margin: .7rem 0 1rem; border: 1px solid var(--phase); border-radius: 50%; background: var(--paper); }
.phase-rail i::after { content: ""; display: block; width: 8px; height: 8px; margin: 24px auto; border-radius: 50%; background: var(--phase); }
.phase-rail strong { color: var(--phase); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; }
.phase-rail small { margin-top: .55rem; color: var(--muted); font-size: .7rem; }
[data-phase="assess"] { --phase: var(--forest); } [data-phase="position"] { --phase: var(--coral); }
[data-phase="authority"] { --phase: var(--blue); } [data-phase="activate"] { --phase: var(--lavender); }
[data-phase="optimise"] { --phase: var(--ochre); } [data-phase="scale"] { --phase: var(--rose); }

.editorial-section { padding: clamp(6rem, 10vw, 11rem) max(4vw, 28px); display: grid; grid-template-columns: 1fr 1fr; gap: 10vw; }
.section-heading h2 { max-width: 900px; margin-bottom: 1.5rem; color: var(--ink); }
.section-heading > p:last-child { max-width: 680px; color: var(--muted); font-size: 1.1rem; }
.diagnosis-copy { padding-top: 1rem; }
.diagnosis-copy .lead { font-family: Georgia, serif; color: var(--coral); font-size: clamp(1.8rem, 3vw, 3.2rem); line-height: 1.15; }
.diagnosis-copy p { max-width: 660px; font-size: 1.05rem; }

.comparison { max-width: var(--max); margin: 0 auto; padding: 0 max(4vw, 28px) clamp(6rem, 9vw, 10rem); display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.comparison-card { min-height: 550px; padding: clamp(2rem, 4vw, 4.5rem); border: 1px solid var(--line); }
.comparison-card.activity { color: #56616a; background: #e7e4dd; }
.comparison-card.infrastructure { color: white; background: var(--ink); box-shadow: var(--shadow); }
.comparison-card h3 { max-width: 520px; margin-bottom: 2rem; font-size: clamp(2rem, 3vw, 3.5rem); }
.comparison-card ul { padding: 0; list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.comparison-card li { padding-bottom: .6rem; border-bottom: 1px solid currentColor; font-size: .9rem; opacity: .8; }
.comparison-card > p:last-child { margin-top: 4rem; font-family: Georgia, serif; font-size: 1.35rem; }

.manifesto { margin: 0; padding: clamp(6rem, 12vw, 12rem) max(6vw, 40px); background: var(--sage); color: white; text-align: center; }
.manifesto p { max-width: 1150px; margin: 0 auto 2rem; font-family: Georgia, serif; font-size: clamp(2.3rem, 4.8vw, 5.7rem); line-height: 1.08; }
.manifesto cite { font-style: normal; font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; }

.method-section { background: #0d2944; color: white; padding: clamp(6rem, 9vw, 10rem) max(4vw, calc((100vw - var(--max))/2 + 4vw)); }
.method-heading { max-width: 900px; margin-bottom: 5rem; }
.method-heading h2 { margin-bottom: 1.5rem; }
.method-heading > p:last-child { max-width: 680px; color: rgba(255,255,255,.66); font-size: 1.1rem; }
.method-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: clamp(2rem, 7vw, 8rem); }
.method-tabs { display: flex; flex-direction: column; }
.method-tabs button { padding: 1.3rem 0; display: grid; grid-template-columns: 60px 1fr; text-align: left; background: transparent; color: rgba(255,255,255,.45); border: 0; border-bottom: 1px solid rgba(255,255,255,.15); cursor: pointer; transition: color .2s ease, padding .2s ease; }
.method-tabs button span { font-family: Georgia, serif; }
.method-tabs button:hover, .method-tabs button.active { color: white; padding-left: 1rem; }
.method-tabs button.active { border-bottom-color: var(--gold); }
.method-panel { min-height: 540px; padding: clamp(2rem, 4vw, 4rem); background: var(--paper); color: var(--text); box-shadow: var(--shadow); }
.method-panel .panel-number { color: var(--coral); font-family: Georgia, serif; font-size: 1.2rem; }
.method-panel h3 { color: var(--ink); font-family: Georgia, serif; font-size: clamp(3rem, 5vw, 6rem); font-weight: 400; }
.method-panel .panel-lead { max-width: 620px; color: var(--ink); font-size: 1.25rem; font-weight: 650; }
.method-panel > p:not(.panel-number):not(.panel-lead) { max-width: 680px; }
.method-panel ul { margin-top: 2.2rem; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: .8rem 2rem; list-style: none; }
.method-panel li { padding-bottom: .7rem; border-bottom: 1px solid var(--line); }

.solutions, .clients, .insights, .faq { padding: clamp(6rem, 10vw, 11rem) max(4vw, 28px); }
.solutions .section-heading, .clients .section-heading, .insights .section-heading { margin-bottom: 5rem; }
.solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.solution-card { position: relative; min-height: 680px; padding: clamp(2rem, 3vw, 3.5rem); border: 1px solid var(--line); display: flex; flex-direction: column; }
.solution-card.featured { margin-top: -1.5rem; margin-bottom: 1.5rem; background: var(--ink); color: white; box-shadow: var(--shadow); }
.solution-index { color: var(--coral); font-size: .68rem; letter-spacing: .15em; text-transform: uppercase; }
.solution-card h3 { margin: 2rem 0 .7rem; font-family: Georgia, serif; font-size: clamp(2.3rem, 3.2vw, 4rem); font-weight: 400; }
.solution-subtitle { min-height: 58px; font-weight: 650; }
.solution-card > p:not(.solution-index):not(.solution-subtitle):not(.timeline) { color: var(--muted); }
.solution-card.featured > p:not(.solution-index):not(.solution-subtitle):not(.timeline) { color: rgba(255,255,255,.66); }
.solution-card ul { margin: 2rem 0; padding: 0; list-style: none; }
.solution-card li { padding: .65rem 0; border-bottom: 1px solid var(--line); }
.featured li { border-color: rgba(255,255,255,.15); }
.timeline { margin-top: auto; padding-top: 1.5rem; border-top: 1px solid var(--line); font-size: .78rem; }

.philosophy-band { padding: clamp(6rem, 11vw, 11rem) max(6vw, 40px); background: var(--coral); color: white; text-align: center; }
.philosophy-band .eyebrow { color: rgba(255,255,255,.68); }
.philosophy-band h2 { max-width: 1100px; margin: 0 auto 2rem; }
.philosophy-band > p:last-child { max-width: 750px; margin: 0 auto; font-size: 1.1rem; }

.fit-section { padding: clamp(6rem, 10vw, 10rem) max(4vw, 28px); display: grid; grid-template-columns: 1.2fr .8fr; gap: 1.5rem; }
.fit-block { padding: clamp(2.5rem, 5vw, 5rem); border: 1px solid var(--line); }
.fit-block h2 { font-size: clamp(2.4rem, 4vw, 4.8rem); }
.fit-block.muted { background: var(--paper-deep); }
.fit-block h3 { margin: 2rem 0; font-family: Georgia, serif; font-size: 2.5rem; font-weight: 400; }
.tag-list { margin-top: 3rem; display: flex; flex-wrap: wrap; gap: .7rem; }
.tag-list span { padding: .7rem 1rem; border: 1px solid var(--line); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; }

.clients { border-top: 1px solid var(--line); }
.client-logos { margin: 4rem 0 6rem; padding: 2.8rem 0; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.client-logos span { display: flex; align-items: center; justify-content: center; min-height: 5.5rem; text-align: center; }
.client-logos img { display: block; width: auto; max-width: min(100%, 210px); height: 68px; object-fit: contain; }
.client-logos span:first-child img { height: 76px; }
.outcome-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.outcome-grid article { min-height: 270px; padding: 2.5rem; border: 1px solid var(--line); margin: -1px 0 0 -1px; }
.outcome-grid span { color: var(--coral); font-family: Georgia, serif; }
.outcome-grid h3 { margin: 2.5rem 0 1rem; font-size: 1.55rem; }
.outcome-grid p { color: var(--muted); }

.insights { background: #e9e4da; }
.book-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.book { perspective: 1000px; }
.book-cover { aspect-ratio: .72; padding: 2rem; display: flex; flex-direction: column; color: white; box-shadow: -12px 18px 30px rgba(32,37,39,.2); transform: rotateY(-8deg); transition: transform .35s ease; }
.book:hover .book-cover { transform: rotateY(0) translateY(-8px); }
.book-cover small { letter-spacing: .12em; }
.book-cover strong { margin-top: auto; font-family: Georgia, serif; font-size: clamp(1.6rem, 2.5vw, 3rem); font-weight: 400; line-height: 1.05; }
.book-cover span { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.4); font-size: .7rem; }
.book h3 { margin: 1.8rem 0 .3rem; font-size: 1.2rem; }
.book p { color: var(--muted); font-size: .8rem; }
.book-one .book-cover { background: var(--ink); } .book-two .book-cover { background: var(--sage); }
.book-three .book-cover { background: var(--lavender); } .book-four .book-cover { background: var(--coral); }

.contact { padding: clamp(6rem, 10vw, 11rem) max(4vw, 28px); display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(3rem, 7vw, 8rem); }
.contact-intro { position: sticky; top: 130px; align-self: start; }
.contact-intro h2 { font-size: clamp(2.5rem, 4.4vw, 5rem); }
.contact-intro > p:not(.eyebrow) { max-width: 560px; }
.engagement-steps { margin-top: 3rem; padding: 0; list-style: none; }
.engagement-steps li { padding: 1.1rem 0; display: grid; grid-template-columns: 55px 1fr; border-bottom: 1px solid var(--line); }
.engagement-steps span { color: var(--coral); font-family: Georgia, serif; }
.assessment { padding: clamp(2rem, 4vw, 4rem); background: white; border: 1px solid var(--line); box-shadow: var(--shadow); }
.assessment-header { display: flex; justify-content: space-between; gap: 2rem; }
.assessment-header h3 { max-width: 560px; color: var(--ink); font-size: clamp(2rem, 3vw, 3.5rem); }
.step-label { white-space: nowrap; color: var(--muted); font-size: .75rem; }
.progress-track { height: 3px; margin: 1.5rem 0 3rem; background: #e8e4dc; }
.progress-track span { display: block; width: 16.666%; height: 100%; background: var(--coral); transition: width .3s ease; }
.form-step { display: none; margin: 0; padding: 0; border: 0; }
.form-step.active { display: block; animation: fade-in .35s ease; }
.form-step legend { margin-bottom: 2.2rem; color: var(--ink); font-family: Georgia, serif; font-size: 2rem; }
.form-step label { margin-bottom: 1.5rem; display: block; color: var(--text); font-size: .8rem; font-weight: 650; }
.form-step input, .form-step textarea, .form-step select { width: 100%; margin-top: .55rem; padding: .95rem 0; border: 0; border-bottom: 1px solid #aeb5b7; border-radius: 0; outline: 0; background: transparent; color: var(--text); }
.form-step textarea { padding: .8rem; border: 1px solid #c6cbca; resize: vertical; }
.form-step input:focus, .form-step textarea:focus, .form-step select:focus { border-color: var(--coral); box-shadow: 0 1px 0 var(--coral); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.field-label { margin: 2rem 0 1rem; font-size: .8rem; font-weight: 650; }
.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.check-grid label { margin: 0; padding: .9rem; display: flex; gap: .7rem; align-items: center; border: 1px solid var(--line); cursor: pointer; }
.check-grid input { width: auto; margin: 0; }
.form-controls { margin-top: 2.5rem; display: flex; justify-content: space-between; }
#prev-step { visibility: hidden; }
#submit-form { display: none; }
.form-error { min-height: 1.5rem; margin: 1rem 0 0; color: #9d3d2d; font-size: .8rem; }
.form-success { padding: 3rem 0; }
.form-success h3 { color: var(--ink); font-family: Georgia, serif; font-size: 3rem; font-weight: 400; }

.faq { display: grid; grid-template-columns: .7fr 1.3fr; gap: 5rem; border-top: 1px solid var(--line); }
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary { padding: 1.5rem 2rem 1.5rem 0; position: relative; cursor: pointer; font-size: 1.05rem; font-weight: 650; list-style: none; }
.accordion summary::after { content: "+"; position: absolute; right: .5rem; font-size: 1.5rem; font-weight: 300; }
.accordion details[open] summary::after { content: "–"; }
.accordion details p { padding-right: 2rem; color: var(--muted); }

.final-cta { padding: clamp(6rem, 11vw, 12rem) max(6vw, 40px); background: var(--ink); color: white; text-align: center; }
.final-cta .eyebrow { color: var(--gold); }
.final-cta h2 { margin-bottom: 1rem; }
.final-cta > p:not(.eyebrow) { margin-bottom: 2rem; color: rgba(255,255,255,.68); }
.final-cta .button-row { justify-content: center; }
footer { padding: 3rem max(4vw, 28px); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 2rem; border-top: 1px solid var(--line); }
footer > p { margin: 0; color: var(--muted); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; }
footer > a { justify-self: end; font-size: .75rem; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@keyframes fade-in { from { opacity: 0; transform: translateX(12px); } to { opacity: 1; transform: none; } }

@media (max-width: 1180px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-nav { display: none; position: absolute; top: 88px; left: 0; right: 0; padding: 2rem; flex-direction: column; background: var(--paper); border-bottom: 1px solid var(--line); }
  .site-nav.open { display: flex; }
  .menu-toggle { display: block; justify-self: end; }
  .header-cta { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 5rem; }
  .hero-copy { max-width: 850px; }
  .engine-visual { width: min(820px, 100%); margin: 0 auto; justify-self: center; }
  .method-preview { grid-template-columns: 1fr; }
  .phase-rail { min-height: 180px; }
  .contact { grid-template-columns: 1fr; }
  .contact-intro { position: static; }
}

@media (max-width: 900px) {
  h1 { font-size: clamp(3rem, 10vw, 5rem); }
  .wordmark img { height: 34px; }
  .engine-visual { margin-top: 1.5rem; }
  .trust-strip { grid-template-columns: 1fr; gap: 1.5rem; }
  .trust-strip div { grid-template-columns: 1fr 1fr; }
  .trust-strip span { padding: 1rem .8rem; border: 1px solid rgba(255,255,255,.15); }
  .trust-strip span:first-child { border-left: 1px solid rgba(255,255,255,.15); }
  .trust-strip img { height: 48px; }
  .trust-strip span:first-child img { height: 56px; }
  .phase-rail { grid-template-columns: repeat(3, 1fr); gap: 2rem 0; }
  .phase-rail::before { display: none; }
  .editorial-section, .fit-section, .faq { grid-template-columns: 1fr; gap: 3rem; }
  .comparison { grid-template-columns: 1fr; }
  .method-layout { grid-template-columns: 1fr; }
  .method-tabs { display: grid; grid-template-columns: 1fr 1fr; }
  .method-tabs button { padding-right: 1rem; }
  .solution-grid { grid-template-columns: 1fr; }
  .solution-card, .solution-card.featured { min-height: auto; margin: 0; }
  .outcome-grid { grid-template-columns: 1fr 1fr; }
  .book-grid { grid-template-columns: 1fr 1fr; }
  footer { grid-template-columns: 1fr; text-align: center; }
  footer .wordmark { justify-content: center; }
  footer > a { justify-self: center; }
}

@media (max-width: 600px) {
  .site-header { min-height: 72px; padding: 0 18px 0 12px; }
  .site-nav { top: 72px; }
  .wordmark img { height: 30px; }
  .hero { min-height: auto; padding: 4rem 18px 3rem; }
  .hero h1 { font-size: 3.25rem; }
  .button-row, .button-row .button { width: 100%; }
  .engine-visual { width: calc(100% + 20px); margin-left: -10px; margin-right: -10px; }
  .method-preview, .solutions, .clients, .insights, .faq, .fit-section, .contact, .editorial-section { padding-left: 18px; padding-right: 18px; }
  .phase-rail { grid-template-columns: 1fr 1fr; }
  .comparison { padding-left: 18px; padding-right: 18px; }
  .comparison-card { min-height: auto; }
  .comparison-card ul { grid-template-columns: 1fr; }
  .method-section { padding-left: 18px; padding-right: 18px; }
  .method-tabs { grid-template-columns: 1fr; }
  .method-panel ul, .field-row, .check-grid { grid-template-columns: 1fr; }
  .client-logos { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .outcome-grid, .book-grid { grid-template-columns: 1fr; }
  .assessment { padding: 1.5rem; }
  .assessment-header { display: block; }
  .form-controls { gap: .8rem; }
  .form-controls .button { padding: 0 .8rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Multi-page architecture */
.site-nav a.active { color: var(--coral); }
.text-link { display: inline-flex; margin-top: 1.25rem; color: var(--ink); font-size: .72rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.text-link.light { color: white; }
.engine-visual { width: min(108%, 860px); }
.engine-visual img { filter: saturate(1.08) contrast(1.13) brightness(.96); }
.home-thesis { border-top: 0; }
.home-pathways { max-width: var(--max); margin: 0 auto; padding: 1px max(4vw, 28px) clamp(5rem, 9vw, 9rem); display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); }
.pathway-card { min-height: 430px; padding: clamp(2rem, 3.5vw, 4rem); display: flex; flex-direction: column; background: var(--paper); }
.pathway-card.dark { background: var(--ink); color: white; }
.pathway-card > span { font-family: ui-monospace, monospace; font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--sage); }
.pathway-card h3 { margin: auto 0 1.4rem; max-width: 330px; font-size: clamp(1.8rem, 2.5vw, 3rem); }
.pathway-card p { color: var(--muted); }
.pathway-card.dark p { color: rgba(255,255,255,.66); }
.pathway-card strong { margin-top: 1.5rem; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }
.compact-cta { padding-top: clamp(5rem, 8vw, 8rem); padding-bottom: clamp(5rem, 8vw, 8rem); }

.page-hero { max-width: var(--max); min-height: 690px; margin: 0 auto; padding: clamp(7rem, 12vw, 12rem) max(6vw, 48px) 6rem; border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 1120px; margin-bottom: 2rem; font-size: clamp(4rem, 7.4vw, 8.4rem); }
.page-lead { max-width: 760px; font-size: clamp(1.15rem, 1.65vw, 1.55rem); color: var(--muted); }
.thesis-hero { background: radial-gradient(circle at 80% 30%, rgba(120,152,138,.13), transparent 28%); }
.hero-index { margin-top: 5rem; display: grid; grid-template-columns: repeat(5,1fr); border-top: 1px solid var(--line); }
.hero-index span { padding: 1rem 0; font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; }
.system-layers { max-width: var(--max); margin: 0 auto; padding: clamp(6rem, 10vw, 10rem) max(4vw, 28px); }
.layer-grid { margin-top: 4rem; display: grid; grid-template-columns: repeat(5,1fr); border: 1px solid var(--line); }
.layer-grid article { min-height: 330px; padding: 2rem; border-right: 1px solid var(--line); }
.layer-grid article:last-child { border: 0; }
.layer-grid span, .engagement-table span { color: var(--coral); font-family: Georgia,serif; font-size: 1.4rem; }
.layer-grid h3 { margin-top: 7rem; }
.layer-grid p { color: var(--muted); }

.method-page-hero { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 4rem; }
.method-art { margin: 0; }
.method-art img { display: block; width: 100%; height: auto; filter: saturate(1.08) contrast(1.13) brightness(.96); }
.method-page { padding-top: clamp(6rem,10vw,10rem); }
.principles-band { max-width: var(--max); margin: 0 auto; padding: 6rem max(4vw,28px); background: var(--paper-deep); }
.principle-grid { margin-top: 3rem; display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--line); }
.principle-grid article { min-height: 300px; padding: 2.5rem; background: var(--paper-deep); }
.principle-grid span { color: var(--coral); font-family: Georgia,serif; font-size: 1.3rem; }
.principle-grid h3 { margin: 5rem 0 1rem; }
.principle-grid p { color: var(--muted); }
.solution-page { padding-top: 7rem; }
.engagement-table { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid var(--line); }
.engagement-table div { min-height: 220px; padding: 2rem; border-right: 1px solid var(--line); }
.engagement-table div:last-child { border: 0; }
.engagement-table strong { display: block; margin-top: 4rem; font-size: 1.2rem; }
.engagement-table p { color: var(--muted); }

.work-hero { background: linear-gradient(110deg,var(--paper) 0 62%,rgba(16,43,71,.98) 62%); }
.work-hero h1 { max-width: 800px; }
.work-logos { max-width: var(--max); margin: 0 auto; padding: 4rem max(4vw,28px); border-bottom: 1px solid var(--line); }
.case-grid { max-width: var(--max); margin: 0 auto; padding: clamp(6rem,10vw,10rem) max(4vw,28px); display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; }
.case-card { min-height: 620px; padding: clamp(2.5rem,4vw,5rem); background: var(--paper-deep); }
.case-card:first-child { grid-column: span 2; }
.case-card.case-navy { background: var(--ink); color: white; }
.case-card.case-navy .eyebrow { color: var(--gold); }
.case-no { display: block; margin: 3rem 0 5rem; font-family: Georgia,serif; font-size: 4rem; opacity: .5; }
.case-card h2 { max-width: 950px; margin-bottom: 4rem; }
.case-card dl { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; }
.case-card dt { margin-bottom: .7rem; font-size: .65rem; letter-spacing: .12em; text-transform: uppercase; opacity: .6; }
.case-card dd { margin: 0; }
.outcomes-page { padding-top: 4rem; }

.insights-hero { max-width: var(--max); min-height: 750px; margin: 0 auto; padding: clamp(7rem,12vw,12rem) max(6vw,48px) 5rem; display: grid; grid-template-columns: 1fr 300px; gap: 5rem; background: radial-gradient(circle at 76% 40%,rgba(136,121,159,.16),transparent 25%); }
.insights-hero h1 { max-width: 900px; font-family: Georgia,serif; font-weight: 400; font-size: clamp(4.5rem,8.5vw,9.5rem); }
.insights-hero aside { align-self: end; padding: 2rem; border-left: 1px solid var(--line); }
.insights-hero aside > p { font-size: .67rem; letter-spacing: .14em; text-transform: uppercase; }
.insights-hero aside ol { margin: 2rem 0 0; padding: 0; list-style: none; counter-reset: coverage; }
.insights-hero aside li { padding: .7rem 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.featured-insight { max-width: var(--max); margin: 0 auto; padding: clamp(5rem,8vw,8rem) max(6vw,48px); display: grid; grid-template-columns: .8fr 1.2fr; gap: 6rem; align-items: center; background: var(--paper-deep); }
.featured-insight h2 { margin-bottom: 2rem; }
.feature-code { aspect-ratio: 1; display: grid; place-items: center; position: relative; background: var(--ink); color: white; }
.feature-code span { position: absolute; top: 1.5rem; left: 1.5rem; font-size: .65rem; letter-spacing: .13em; }
.feature-code i { width: 45%; height: 45%; border: 1px solid rgba(255,255,255,.45); transform: rotate(45deg); }
.feature-code strong { position: absolute; font-family: Georgia,serif; font-size: 5rem; }
.signal-board { max-width: var(--max); margin: 0 auto; padding: clamp(6rem,10vw,10rem) max(4vw,28px); display: grid; grid-template-columns: .75fr 2.25fr; gap: 5rem; }
.signal-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--line); }
.signal-grid article { min-height: 400px; padding: 2.5rem 2rem; background: var(--paper); }
.signal-grid span, .journal-card > span { font-size: .65rem; letter-spacing: .12em; text-transform: uppercase; color: var(--coral); }
.signal-grid h3 { margin: 9rem 0 1rem; }
.signal-grid p { color: var(--muted); }
.journal-section { max-width: var(--max); margin: 0 auto; padding: clamp(6rem,10vw,10rem) max(4vw,28px); background: #ede8de; }
.journal-heading { display: flex; justify-content: space-between; align-items: end; gap: 2rem; }
.topic-list { display: flex; flex-wrap: wrap; gap: .6rem; }
.topic-list span { padding: .55rem .8rem; border: 1px solid var(--line); font-size: .65rem; text-transform: uppercase; }
.journal-grid { margin-top: 4rem; display: grid; grid-template-columns: repeat(2,1fr); gap: 1px; background: var(--line); }
.journal-card { min-height: 360px; padding: clamp(2rem,3vw,3.5rem); display: flex; flex-direction: column; background: var(--paper); }
.journal-card.large { grid-row: span 2; min-height: 721px; background: var(--ink); color: white; }
.journal-card h3 { margin: auto 0 1rem; font-family: Georgia,serif; font-weight: 400; font-size: clamp(2rem,3vw,3.6rem); }
.journal-card p { color: var(--muted); }
.journal-card.large p { color: rgba(255,255,255,.63); }
.journal-card small { margin-top: 1.5rem; letter-spacing: .08em; }
.intelligence-brief { max-width: var(--max); margin: 0 auto; padding: clamp(5rem,8vw,8rem) max(6vw,48px); display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; background: var(--lavender); color: white; }
.intelligence-brief .eyebrow { color: white; opacity: .7; }
.brief-form { align-self: end; display: grid; grid-template-columns: 1fr auto; gap: 1rem; }
.brief-form label { font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; }
.brief-form input { width: 100%; margin-top: .6rem; padding: 1rem; border: 1px solid rgba(255,255,255,.45); background: transparent; color: white; }

.article-shell { max-width: var(--max); margin: 0 auto; }
.article-hero { min-height: 700px; padding: clamp(6rem,10vw,10rem) max(8vw,70px) 5rem; background: var(--paper-deep); }
.back-link { display: inline-block; margin-bottom: 6rem; font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; }
.article-hero h1 { max-width: 1100px; font-family: Georgia,serif; font-weight: 400; font-size: clamp(3.5rem,6.5vw,7.5rem); }
.article-meta { margin-top: 3rem; display: flex; gap: 2rem; font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; }
.article-body { max-width: 820px; margin: 0 auto; padding: clamp(5rem,9vw,9rem) 32px; font-family: Georgia,serif; font-size: 1.22rem; line-height: 1.85; }
.article-body .article-deck { margin-bottom: 5rem; font-size: clamp(1.5rem,2.4vw,2.25rem); line-height: 1.45; }
.article-body h2 { margin: 5rem 0 1.5rem; font-family: Inter,ui-sans-serif,sans-serif; font-size: clamp(2.4rem,4vw,4rem); }
.article-body h3 { margin: 3rem 0 1rem; font-family: Inter,ui-sans-serif,sans-serif; font-size: 1.5rem; }
.article-body blockquote { margin: 4rem -5vw; padding: 3rem 5vw; border-left: 3px solid var(--coral); background: var(--paper-deep); font-size: 1.7rem; line-height: 1.5; }
.article-end { margin-top: 6rem; padding-top: 2rem; display: grid; gap: 1rem; border-top: 1px solid var(--line); font-family: Inter,ui-sans-serif,sans-serif; }
.article-end a { font-weight: 700; }

.contact-page-hero { max-width: var(--max); margin: 0 auto; padding: clamp(7rem,12vw,12rem) max(6vw,48px) 6rem; display: grid; grid-template-columns: 1fr 350px; gap: 5rem; align-items: end; }
.contact-page-hero h1 { font-size: clamp(4.5rem,8vw,9rem); }
.contact-page-hero aside { padding: 2rem; border: 1px solid var(--line); }
.contact-page-hero aside p, .contact-page-hero aside span { display: block; color: var(--muted); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; }
.contact-page-hero aside a { display: block; margin: 1rem 0; font-family: Georgia,serif; font-size: 1.5rem; }
.contact-page-hero aside a + a { margin-top: .35rem; font-size: 1.25rem; }
.contact-page-hero aside span { margin-top: 1.5rem; }
.contact-page { padding-top: 7rem; }

@media (max-width: 1180px) {
  .method-page-hero, .featured-insight, .signal-board, .insights-hero, .contact-page-hero { grid-template-columns: 1fr; }
  .layer-grid { grid-template-columns: repeat(2,1fr); }
  .layer-grid article { border-bottom: 1px solid var(--line); }
  .insights-hero aside { max-width: 500px; }
}
@media (max-width: 1380px) {
  .site-header .wordmark img { height: 38px; }
}
@media (max-width: 900px) {
  .home-pathways, .principle-grid, .signal-grid, .engagement-table { grid-template-columns: 1fr; }
  .pathway-card { min-height: 350px; }
  .layer-grid, .case-grid, .journal-grid, .intelligence-brief { grid-template-columns: 1fr; }
  .case-card:first-child { grid-column: auto; }
  .case-card dl { grid-template-columns: 1fr; }
  .journal-card.large { grid-row: auto; min-height: 500px; }
  .brief-form { grid-template-columns: 1fr; }
  .hero-index { grid-template-columns: 1fr 1fr; }
  .work-hero { background: var(--paper); }
}
@media (max-width: 600px) {
  .page-hero, .insights-hero, .contact-page-hero, .article-hero { min-height: auto; padding: 5rem 18px 4rem; }
  .page-hero h1, .insights-hero h1, .contact-page-hero h1, .article-hero h1 { font-size: 3.5rem; }
  .home-pathways, .system-layers, .principles-band, .case-grid, .signal-board, .journal-section { padding-left: 18px; padding-right: 18px; }
  .layer-grid { grid-template-columns: 1fr; }
  .featured-insight, .intelligence-brief { padding-left: 18px; padding-right: 18px; gap: 3rem; }
  .feature-code { max-width: 340px; }
  .journal-heading { align-items: start; flex-direction: column; }
  .article-body { padding-left: 20px; padding-right: 20px; }
  .article-body blockquote { margin-left: 0; margin-right: 0; }
  .article-meta { flex-wrap: wrap; gap: 1rem; }
}