:root {
  --ink: #102927;
  --ink-deep: #0a1f1d;
  --forest: #153d38;
  --sage: #b9c6a0;
  --cream: #f1ebdf;
  --paper: #fbf8f2;
  --accent: #b9f23d;
  --accent-hover: #d0ff63;
  --accent-deep: #4c6d00;
  --charcoal: #1a2524;
  --line: rgba(16, 41, 39, 0.18);
  --light-line: rgba(255, 255, 255, 0.2);
  --shell: min(1180px, calc(100vw - 40px));
  --serif: "Libre Caslon Display", Georgia, serif;
  --sans: "DM Sans", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--charcoal);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
code { font-size: 0.9em; }

.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;
}
.skip-link {
  position: fixed;
  left: 16px;
  top: 16px;
  z-index: 1000;
  transform: translateY(-180%);
  padding: 10px 14px;
  background: var(--paper);
  color: var(--ink);
}
.skip-link:focus { transform: translateY(0); }
.shell { width: var(--shell); margin-inline: auto; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  color: white;
  transition: background 220ms ease, box-shadow 220ms ease;
}
.site-header.scrolled {
  background: rgba(10, 31, 29, 0.94);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(12px);
}
.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.brand-mark { width: 76px; flex: 0 0 auto; overflow: visible; }
.brand-signal {
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.brand-arrow { stroke: var(--accent); }
.brand-wordmark { white-space: nowrap; }
.brand-accent { color: var(--accent); }
.brand-accent-on-light { color: var(--accent-deep); }
.site-nav { display: flex; align-items: center; gap: 24px; }
.site-nav > a:not(.button) {
  font-size: 0.76rem;
  font-weight: 600;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.site-nav > a:not(.button):hover { color: var(--sage); }
.menu-toggle { display: none; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-size: 0.78rem;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-small { min-height: 42px; padding: 0 18px; font-size: 0.71rem; }
.button-accent { background: var(--accent); color: var(--ink-deep); }
.button-accent:hover { background: var(--accent-hover); }
.button-light { background: var(--paper); color: var(--ink); }
.button-light:hover { background: var(--sage); }
.button-dark { background: var(--ink); color: white; }
.button-dark:hover { background: var(--forest); }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: white;
  text-decoration: none;
  font-weight: 700;
}
.text-link:hover span { transform: translate(3px, -3px); }
.text-link span { transition: transform 180ms ease; }
.text-link-light { color: var(--paper); }
.text-link-dark { color: var(--ink); }

.hero {
  position: relative;
  min-height: 850px;
  display: flex;
  align-items: stretch;
  overflow: hidden;
  color: white;
  background:
    radial-gradient(circle at 78% 30%, rgba(244, 204, 134, 0.42), transparent 28%),
    linear-gradient(180deg, #557376 0%, #3c5d5f 32%, #223f3d 66%, #102927 100%);
}
.has-hero-image .hero {
  background: var(--hero-image) center / cover no-repeat, var(--ink-deep);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(6, 24, 22, 0.72) 0%, rgba(6, 24, 22, 0.45) 42%, rgba(6, 24, 22, 0.04) 74%);
  pointer-events: none;
}
.has-hero-image .hero::after {
  background:
    linear-gradient(0deg, rgba(6, 24, 22, 0.38) 0%, rgba(6, 24, 22, 0) 46%),
    linear-gradient(90deg, rgba(6, 24, 22, 0.82) 0%, rgba(6, 24, 22, 0.56) 44%, rgba(6, 24, 22, 0.08) 78%);
}
.has-hero-image .hero-landscape { display: none; }
.hero-landscape { position: absolute; inset: 0; overflow: hidden; }
.sun-glow {
  position: absolute;
  width: 520px;
  height: 520px;
  right: 2%;
  top: 8%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 224, 172, 0.66), rgba(255, 224, 172, 0) 68%);
}
.mountains { position: absolute; inset: auto 0 0; width: 100%; height: 78%; }
.mountains-back { fill: rgba(28, 57, 57, 0.48); filter: blur(0.4px); }
.mountains-front { fill: rgba(11, 36, 34, 0.92); height: 67%; }
.ridge-lines {
  position: absolute;
  inset: 48% 0 0;
  opacity: 0.24;
  background: repeating-radial-gradient(ellipse at 70% 100%, transparent 0 22px, rgba(255,255,255,0.55) 24px 25px, transparent 27px 46px);
  transform: skewY(-7deg);
}
.figure { position: absolute; right: 24%; bottom: 20%; width: 54px; height: 150px; z-index: 2; filter: drop-shadow(0 10px 8px rgba(0,0,0,0.2)); }
.figure span { position: absolute; display: block; background: #0a1716; }
.figure-head { width: 24px; height: 24px; border-radius: 50%; left: 15px; top: 0; }
.figure-body { width: 32px; height: 76px; border-radius: 12px 12px 6px 6px; left: 11px; top: 23px; transform: rotate(-2deg); }
.figure-leg { width: 12px; height: 58px; top: 92px; border-radius: 0 0 4px 4px; }
.figure-leg-left { left: 12px; transform: rotate(5deg); }
.figure-leg-right { right: 12px; transform: rotate(-5deg); }
.hero-shell {
  position: relative;
  z-index: 3;
  min-height: 850px;
  display: grid;
  grid-template-columns: minmax(0, 710px) 1fr;
  align-items: end;
  padding: 170px 0 90px;
}
.hero-copy { align-self: center; padding-top: 62px; }
.eyebrow {
  margin: 0 0 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.eyebrow-dark { color: var(--accent-deep); }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--serif); font-weight: 400; line-height: 0.98; letter-spacing: -0.025em; }
h1 { max-width: 760px; margin-bottom: 28px; font-size: clamp(4.1rem, 7.6vw, 7.4rem); }
h2 { margin-bottom: 26px; font-size: clamp(3rem, 5vw, 5.4rem); }
h3 { line-height: 1.2; }
.hero-intro { max-width: 610px; margin-bottom: 34px; font-size: 1.18rem; color: rgba(255,255,255,0.9); }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 26px; }
.hero-proof {
  justify-self: end;
  align-self: end;
  max-width: 310px;
  padding: 24px 0 4px 28px;
  border-left: 1px solid rgba(255,255,255,0.48);
  font-size: 0.95rem;
  color: rgba(255,255,255,0.78);
}

.section { padding: 120px 0; }
.section-cream { background: var(--cream); }
.section-paper { background: var(--paper); }
.section-ink { background: var(--ink); color: white; }
.section-accent { background: var(--accent); color: var(--ink-deep); }
.section-heading { max-width: 850px; margin-bottom: 64px; }
.split-heading { max-width: none; display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 100px; align-items: end; }
.split-heading > p { max-width: 500px; margin-bottom: 12px; font-size: 1.08rem; }

.method-grid { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.method-card { min-height: 310px; padding: 34px 24px 28px; border-right: 1px solid var(--line); }
.method-card:first-child { border-left: 1px solid var(--line); }
.method-number { display: block; margin-bottom: 70px; color: var(--accent-deep); font-size: 0.8rem; font-weight: 700; }
.method-card h3 { margin-bottom: 14px; font-size: 1.25rem; }
.method-card p { margin-bottom: 0; color: rgba(26,37,36,0.72); font-size: 0.93rem; }

.signal-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 110px; align-items: center; }
.signal-copy p:not(.eyebrow) { max-width: 570px; color: rgba(255,255,255,0.72); font-size: 1.07rem; }
.signal-visual { position: relative; width: min(100%, 540px); aspect-ratio: 1; margin-left: auto; }
.signal-ring { position: absolute; inset: 50%; border: 1px solid rgba(185,198,160,0.38); border-radius: 50%; transform: translate(-50%, -50%); }
.ring-one { width: 90%; height: 90%; }
.ring-two { width: 67%; height: 67%; }
.ring-three { width: 44%; height: 44%; }
.signal-core { position: absolute; inset: 50% auto auto 50%; width: 180px; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 50%; background: var(--paper); color: var(--ink); display: grid; place-items: center; text-align: center; box-shadow: 0 30px 80px rgba(0,0,0,0.2); }
.signal-core svg { width: 94px; margin-bottom: -12px; }
.signal-core .brand-arrow { stroke: var(--accent-deep); }
.signal-core strong { line-height: 1.05; letter-spacing: 0.08em; }
.signal-label { position: absolute; padding: 8px 12px; color: var(--sage); font-size: 0.77rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; background: var(--ink); }
.label-one { top: 2%; left: 50%; transform: translateX(-50%); }
.label-two { right: -1%; top: 48%; }
.label-three { bottom: 2%; left: 50%; transform: translateX(-50%); }
.label-four { left: -1%; top: 48%; }

.programmes-layout { display: grid; grid-template-columns: 0.78fr 1.22fr; gap: 100px; }
.programmes-intro { position: sticky; top: 130px; align-self: start; }
.programmes-intro p:not(.eyebrow) { max-width: 470px; color: rgba(26,37,36,0.72); }
.programme-list { border-top: 1px solid var(--line); }
.programme-row {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 24px;
  align-items: center;
  min-height: 142px;
  padding: 24px 4px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: padding 180ms ease, background 180ms ease;
}
.programme-row:hover { padding-inline: 16px; background: rgba(185,198,160,0.15); }
.programme-icon { display: grid; place-items: center; width: 54px; height: 54px; border: 1px solid var(--accent-deep); border-radius: 50%; color: var(--accent-deep); font-size: 1.6rem; }
.programme-row strong { display: block; margin-bottom: 8px; font-family: var(--serif); font-size: 1.65rem; font-weight: 400; }
.programme-row small { color: rgba(26,37,36,0.7); font-size: 0.92rem; }
.programme-row .arrow { font-size: 1.4rem; }

.expansion { position: relative; overflow: hidden; }
.expansion::before {
  content: "";
  position: absolute;
  width: 720px;
  height: 720px;
  right: -280px;
  top: -360px;
  border: 1px solid rgba(185,198,160,0.16);
  border-radius: 50%;
  box-shadow: 0 0 0 90px rgba(185,198,160,0.035), 0 0 0 180px rgba(185,198,160,0.025);
  pointer-events: none;
}
.expansion .shell { position: relative; z-index: 1; }
.expansion-heading { margin-bottom: 76px; align-items: end; }
.expansion-heading h2 { max-width: 760px; margin-bottom: 0; }
.expansion-intro { padding-bottom: 8px; }
.expansion-intro > p { margin-bottom: 28px; color: rgba(255,255,255,0.72); font-size: 1.08rem; }
.expansion-path {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--light-line);
  border-bottom: 1px solid var(--light-line);
}
.expansion-path::before {
  content: "";
  position: absolute;
  top: 53px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: rgba(185,198,160,0.42);
}
.expansion-stage { min-height: 350px; padding: 30px 22px 28px; border-right: 1px solid var(--light-line); }
.expansion-stage:first-child { border-left: 1px solid var(--light-line); }
.stage-marker { position: relative; z-index: 1; height: 46px; margin-bottom: 44px; }
.stage-marker span {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(185,198,160,0.62);
  border-radius: 50%;
  color: var(--sage);
  background: var(--ink);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.expansion-stage h3 { margin-bottom: 16px; font-family: var(--serif); font-size: 1.58rem; font-weight: 400; }
.expansion-stage p { margin-bottom: 0; color: rgba(255,255,255,0.64); font-size: 0.91rem; }
.expansion-proof {
  display: grid;
  grid-template-columns: 0.32fr 1fr;
  gap: 60px;
  align-items: start;
  margin-top: 56px;
  padding: 34px 0 0;
  border-top: 1px solid rgba(185,198,160,0.34);
}
.expansion-proof .eyebrow { margin: 4px 0 0; color: var(--sage); }
.expansion-proof > p:last-child { max-width: 880px; margin: 0; font-family: var(--serif); font-size: clamp(1.55rem, 2.3vw, 2.25rem); line-height: 1.25; }

.assessment-layout { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 100px; align-items: end; }
.assessment-layout h2 { max-width: 760px; }
.assessment-copy p { margin-bottom: 30px; font-size: 1.1rem; color: rgba(10,31,29,0.78); }

.outcome-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.outcome { min-height: 170px; display: flex; flex-direction: column; justify-content: space-between; padding: 30px; border-right: 1px solid var(--line); }
.outcome:first-child { border-left: 1px solid var(--line); }
.outcome strong { font-family: var(--serif); font-size: 2.5rem; font-weight: 400; }
.outcome span { max-width: 180px; color: rgba(26,37,36,0.7); }

.insight-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.insight-card { min-height: 390px; padding: 34px; display: flex; flex-direction: column; border: 1px solid var(--line); background: white; }
.insight-card:nth-child(2) { background: var(--cream); }
.insight-card:nth-child(3) { background: var(--sage); }
.insight-kicker { margin-bottom: auto; color: var(--accent-deep); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; }
.insight-card h3 { margin-bottom: 28px; font-family: var(--serif); font-size: 2rem; font-weight: 400; }
.insight-card a { text-decoration: none; font-weight: 700; }
.section-more { display: flex; justify-content: flex-end; margin-top: 30px; }

.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: start; }
.about-copy p:not(.eyebrow) { max-width: 620px; color: rgba(255,255,255,0.72); font-size: 1.08rem; }
.about-facts { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--light-line); border-left: 1px solid var(--light-line); }
.about-facts div { min-height: 180px; display: flex; flex-direction: column; justify-content: space-between; padding: 26px; border-right: 1px solid var(--light-line); border-bottom: 1px solid var(--light-line); }
.about-facts strong { font-family: var(--serif); font-size: 2.7rem; font-weight: 400; }
.about-facts span { color: rgba(255,255,255,0.62); }

.section-contact { padding: 90px 0; background: var(--sage); }
.contact-card { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 100px; align-items: start; }
.contact-card h2 { margin-bottom: 0; font-size: clamp(2.8rem, 4.8vw, 5.2rem); }
.contact-intro > p:last-child { max-width: 560px; margin-top: 28px; color: rgba(26,37,36,0.72); }
.contact-actions { align-self: center; justify-self: start; }
.contact-actions p { margin: 18px 0 0; color: rgba(26,37,36,0.62); font-size: 0.86rem; }
.contact-form { display: grid; gap: 18px; padding: 34px; border: 1px solid rgba(16,41,39,0.22); background: rgba(251,248,242,0.62); }
.contact-form label { display: grid; gap: 7px; color: var(--ink); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.contact-form label small { margin-left: 8px; color: rgba(16,41,39,0.52); font-size: 0.7rem; font-weight: 600; }
.contact-form input,
.contact-form textarea { width: 100%; border: 1px solid rgba(16,41,39,0.25); border-radius: 0; padding: 13px 14px; color: var(--ink-deep); background: var(--paper); line-height: 1.45; text-transform: none; }
.contact-form input:focus,
.contact-form textarea:focus { outline: 3px solid rgba(76,109,0,0.28); border-color: var(--accent-deep); }
.contact-form textarea { min-height: 132px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-trap { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.form-submit { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.form-status { flex: 1; min-width: 190px; margin: 0; color: rgba(16,41,39,0.68); font-size: 0.78rem; line-height: 1.45; }
.status-action { padding: 0; border: 0; color: var(--ink); background: transparent; font-size: inherit; font-weight: 700; text-decoration: underline; cursor: pointer; }

.solid-header { background: rgba(10,31,29,0.98); box-shadow: 0 12px 34px rgba(0,0,0,0.12); }
.page-main { padding-top: 82px; }
.page-hero { padding: 108px 0 92px; color: white; background: var(--ink); }
.page-hero .eyebrow { color: var(--accent); }
.page-hero h1 { max-width: 880px; font-size: clamp(3.8rem, 7vw, 7rem); }
.page-hero .page-intro { max-width: 680px; margin-bottom: 0; color: rgba(255,255,255,0.76); font-size: 1.16rem; }
.contact-page-hero h1 { max-width: 960px; }
.contact-page-section { min-height: 620px; }
.page-section { padding: 100px 0; }
.page-section-cream { background: var(--cream); }
.page-section-paper { background: var(--paper); }
.writing-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.writing-card { min-height: 360px; display: flex; flex-direction: column; padding: 36px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-decoration: none; background: var(--paper); transition: background 180ms ease, transform 180ms ease; }
.writing-card:hover { background: rgba(185,242,61,0.12); transform: translateY(-3px); }
.writing-card .writing-number { margin-bottom: auto; color: var(--accent-deep); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.writing-card h2 { max-width: 520px; margin: 70px 0 24px; font-size: clamp(2rem, 3.2vw, 3.25rem); line-height: 1.05; }
.writing-card p { max-width: 560px; margin-bottom: 28px; color: rgba(26,37,36,0.68); }
.writing-card strong { font-size: 0.84rem; }
.article-shell { width: min(760px, calc(100vw - 40px)); margin-inline: auto; }
.article-header { padding: 110px 0 76px; background: var(--cream); }
.article-header .eyebrow { color: var(--accent-deep); }
.article-header h1 { max-width: 950px; margin-inline: auto; color: var(--ink); font-size: clamp(3.5rem, 7vw, 6.7rem); text-align: center; }
.article-header .article-meta { margin-bottom: 20px; color: var(--accent-deep); font-size: 0.77rem; font-weight: 700; letter-spacing: 0.12em; text-align: center; text-transform: uppercase; }
.article-header .article-deck { max-width: 720px; margin: 30px auto 0; color: rgba(26,37,36,0.7); font-size: 1.18rem; text-align: center; }
.article-share { display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 34px; }
.share-label { margin-right: 3px; color: rgba(26,37,36,0.54); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.share-button { display: inline-flex; align-items: center; gap: 8px; min-height: 38px; padding: 9px 14px; border: 1px solid rgba(16,41,39,0.24); color: var(--ink); background: transparent; font-size: 0.76rem; font-weight: 700; letter-spacing: 0.02em; text-decoration: none; transition: border-color 160ms ease, background 160ms ease, transform 160ms ease; }
.share-button:hover { border-color: var(--accent-deep); background: rgba(185,242,61,0.22); transform: translateY(-2px); }
.share-button:focus-visible { outline: 3px solid rgba(76,109,0,0.28); outline-offset: 3px; }
.article-body { padding: 76px 0 100px; background: var(--paper); }
.article-body .article-shell > p { margin-bottom: 1.55em; font-size: 1.08rem; line-height: 1.78; }
.article-body .article-shell > p:first-child { font-size: 1.28rem; line-height: 1.65; }
.article-body h2 { margin: 64px 0 24px; color: var(--ink); font-size: clamp(2.25rem, 4vw, 3.5rem); line-height: 1.08; }
.article-body h3 { margin: 42px 0 16px; color: var(--ink); font-size: 1.25rem; }
.article-body ul { margin: 0 0 32px; padding-left: 24px; }
.article-body li { margin-bottom: 12px; font-size: 1.05rem; line-height: 1.7; }
.article-callout { margin: 46px 0; padding: 30px 32px; border-left: 4px solid var(--accent); color: var(--paper); background: var(--ink); font-family: var(--serif); font-size: 1.75rem; line-height: 1.3; }
.article-end { margin-top: 64px; padding-top: 28px; border-top: 1px solid var(--line); }
.article-end p { color: rgba(26,37,36,0.68); }
.article-nav { display: flex; justify-content: space-between; gap: 24px; margin-top: 34px; }
.company-intro { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 100px; align-items: start; }
.company-intro h2 { margin-bottom: 0; }
.company-intro-copy p { color: rgba(26,37,36,0.72); font-size: 1.08rem; }
.experience-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--light-line); border-left: 1px solid var(--light-line); }
.experience-card { min-height: 270px; padding: 30px; border-right: 1px solid var(--light-line); border-bottom: 1px solid var(--light-line); }
.experience-card .eyebrow { color: var(--accent); }
.experience-card h3 { margin: 52px 0 16px; font-family: var(--serif); font-size: 2rem; font-weight: 400; }
.experience-card p { margin-bottom: 0; color: rgba(255,255,255,0.66); }
.experience-note { max-width: 900px; margin: 42px 0 0; color: rgba(255,255,255,0.58); font-size: 0.86rem; }
.principle-grid { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.principle { min-height: 250px; padding: 28px 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.principle span { color: var(--accent-deep); font-size: 0.75rem; font-weight: 700; }
.principle h3 { margin: 76px 0 12px; font-size: 1.15rem; }
.principle p { margin-bottom: 0; color: rgba(26,37,36,0.66); font-size: 0.9rem; }

.site-footer { background: var(--ink-deep); color: white; padding: 34px 0; }
.footer-inner { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; }
.footer-inner > p { margin: 0; color: rgba(255,255,255,0.55); font-size: 0.78rem; }
.footer-links { justify-self: end; display: flex; gap: 20px; }
.footer-links a { color: rgba(255,255,255,0.74); text-decoration: none; font-size: 0.8rem; }

.not-found-page { min-height: 100vh; color: white; background: var(--ink-deep); }
.not-found-header { position: absolute; inset: 0 0 auto; z-index: 3; padding-top: 12px; color: white; }
.not-found-header .shell { min-height: 70px; display: flex; align-items: center; }
.not-found-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--forest), var(--ink-deep));
}
.has-hero-image .not-found-hero { background: var(--hero-image) 68% center / cover no-repeat, var(--ink-deep); }
.not-found-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(6, 24, 22, 0.86) 0%, rgba(6, 24, 22, 0.58) 48%, rgba(6, 24, 22, 0.18) 100%);
}
.not-found-content { position: relative; z-index: 1; }
.not-found-content h1 { max-width: 760px; margin-bottom: 22px; font-size: clamp(4rem, 9vw, 8rem); }
.not-found-content > p:not(.eyebrow) { margin-bottom: 34px; font-size: 1.15rem; color: rgba(255,255,255,0.8); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 700ms ease, transform 700ms ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay, .reveal-delay-1 { transition-delay: 110ms; }
.reveal-delay-2 { transition-delay: 180ms; }
.reveal-delay-3 { transition-delay: 250ms; }
.reveal-delay-4 { transition-delay: 320ms; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 980px) {
  :root { --shell: min(100% - 32px, 760px); }
  .menu-toggle { display: inline-grid; place-content: center; width: 44px; height: 44px; padding: 10px; border: 0; background: transparent; color: white; }
  .menu-toggle span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 3px 0; background: currentColor; }
  .site-nav { position: fixed; inset: 82px 0 0; display: flex; flex-direction: column; align-items: flex-start; gap: 0; padding: 24px 20px 50px; background: var(--ink-deep); transform: translateX(100%); transition: transform 220ms ease; }
  .site-nav.open { transform: translateX(0); }
  .site-nav > a:not(.button) { width: 100%; padding: 18px 0; border-bottom: 1px solid var(--light-line); font-size: 0.9rem; }
  .site-nav .button { margin-top: 28px; }
  .hero, .hero-shell { min-height: 760px; }
  .hero-shell { grid-template-columns: 1fr; padding-top: 140px; }
  .hero-proof { display: none; }
  .figure { right: 13%; }
  .split-heading, .signal-layout, .programmes-layout, .assessment-layout, .about-layout, .contact-card, .company-intro { grid-template-columns: 1fr; gap: 48px; }
  .method-grid { grid-template-columns: 1fr 1fr; }
  .method-card:nth-child(odd) { border-left: 1px solid var(--line); }
  .method-card { min-height: 250px; }
  .method-number { margin-bottom: 36px; }
  .signal-visual { margin: 24px auto 0; }
  .programmes-intro { position: static; }
  .expansion-path { grid-template-columns: 1fr 1fr; }
  .expansion-path::before { display: none; }
  .expansion-stage:nth-child(odd) { border-left: 1px solid var(--light-line); }
  .expansion-stage { min-height: 300px; }
  .expansion-proof { grid-template-columns: 1fr; gap: 14px; }
  .outcome-grid { grid-template-columns: 1fr 1fr; }
  .outcome:nth-child(odd) { border-left: 1px solid var(--line); }
  .insight-grid { grid-template-columns: 1fr; }
  .insight-card { min-height: 300px; }
  .contact-actions { justify-self: start; }
  .experience-grid { grid-template-columns: 1fr 1fr; }
  .principle-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  :root { --shell: min(100% - 24px, 520px); }
  .header-inner { min-height: 72px; }
  .site-nav { top: 72px; }
  .brand { font-size: 0.74rem; }
  .brand-mark { width: 62px; }
  .hero, .hero-shell { min-height: 720px; }
  .hero-shell { padding: 120px 0 70px; }
  h1 { font-size: clamp(3.4rem, 16vw, 4.7rem); }
  h2 { font-size: clamp(2.7rem, 13vw, 4rem); }
  .hero-intro { font-size: 1rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .has-hero-image .hero { background-position: 68% center; }
  .has-hero-image .hero::after {
    background:
      linear-gradient(180deg, rgba(6, 24, 22, 0.48) 0%, rgba(6, 24, 22, 0.78) 100%),
      linear-gradient(90deg, rgba(6, 24, 22, 0.76) 0%, rgba(6, 24, 22, 0.28) 100%);
  }
  .figure { right: 8%; bottom: 17%; transform: scale(0.82); }
  .section { padding: 82px 0; }
  .split-heading { gap: 18px; }
  .method-grid { grid-template-columns: 1fr; }
  .method-card, .method-card:nth-child(odd) { border-left: 1px solid var(--line); }
  .method-card { min-height: auto; }
  .signal-label { font-size: 0.64rem; }
  .signal-core { width: 138px; }
  .programme-row { grid-template-columns: 52px 1fr auto; gap: 14px; min-height: 124px; }
  .programme-icon { width: 44px; height: 44px; }
  .programme-row strong { font-size: 1.34rem; }
  .expansion-heading { margin-bottom: 52px; }
  .expansion-path { grid-template-columns: 1fr; }
  .expansion-stage, .expansion-stage:nth-child(odd) { min-height: auto; border-left: 1px solid var(--light-line); }
  .stage-marker { margin-bottom: 26px; }
  .expansion-proof { margin-top: 44px; }
  .outcome-grid { grid-template-columns: 1fr; }
  .outcome, .outcome:nth-child(odd) { border-left: 1px solid var(--line); }
  .about-facts { grid-template-columns: 1fr; }
  .contact-card { gap: 34px; }
  .footer-inner { grid-template-columns: 1fr; justify-items: start; }
  .footer-links { justify-self: start; }
  .page-main { padding-top: 72px; }
  .page-hero { padding: 82px 0 70px; }
  .writing-grid { grid-template-columns: 1fr; }
  .writing-card { min-height: 320px; padding: 28px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
  .experience-grid, .principle-grid { grid-template-columns: 1fr; }
  .article-header { padding: 82px 0 58px; }
  .article-share { margin-top: 28px; }
  .share-label { flex-basis: 100%; margin: 0 0 2px; text-align: center; }
  .article-body { padding: 58px 0 82px; }
  .article-callout { padding: 24px; font-size: 1.45rem; }
  .article-nav { flex-direction: column; }
}