:root {
  --navy: #10243b;
  --navy-deep: #0a1a2d;
  --green: #2d6759;
  --green-dark: #245447;
  --green-pale: #e8f1ed;
  --academic: #4c5f78;
  --academic-dark: #394b63;
  --academic-pale: #e9edf3;
  --copper: #94684a;
  --copper-pale: #f3ebe4;
  --paper: #f5f3ed;
  --paper-deep: #ece9df;
  --white: #ffffff;
  --ink: #172536;
  --body: #4e5c69;
  --muted: #72808c;
  --line: #dce1df;
  --shadow: 0 24px 60px rgba(16, 36, 59, 0.13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
#main-content, #coverage, #method, #faq { scroll-margin-top: 76px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3, h4 {
  color: var(--navy);
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: -0.04em;
}
h1 {
  max-width: 860px;
  margin-bottom: 26px;
  font-size: clamp(3.25rem, 5.9vw, 5.55rem);
  letter-spacing: -0.056em;
}
h2 { margin-bottom: 22px; font-size: clamp(2.25rem, 4vw, 3.75rem); }
h3 { font-size: 1.3rem; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  border: 0;
  border-radius: 6px;
  color: var(--white);
  background: var(--navy-deep);
  white-space: nowrap;
}
.skip-link:focus {
  width: auto;
  height: auto;
  padding: 10px 14px;
  margin: 0;
  overflow: visible;
  clip: auto;
  clip-path: none;
}

.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.section { padding: 112px 0; }
.section-compact { padding: 88px 0; }
.eyebrow {
  margin-bottom: 18px;
  color: var(--academic);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.145em;
  text-transform: uppercase;
}
.eyebrow-light { color: #aebed0; }

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  border-bottom: 1px solid rgba(16, 36, 59, 0.09);
  background: rgba(245, 243, 237, 0.93);
  backdrop-filter: blur(16px);
}
.header-inner {
  display: flex;
  min-height: 76px;
  align-items: center;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--navy);
  font-size: 1rem;
  font-weight: 760;
  letter-spacing: -0.025em;
}
.brand-mark {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: flex-end;
  justify-content: center;
  gap: 3px;
  padding: 8px;
  border-radius: 50%;
  background: var(--green);
}
.brand-mark span {
  display: block;
  width: 3px;
  border-radius: 4px;
  background: var(--white);
}
.brand-mark span:nth-child(1) { height: 7px; opacity: 0.65; }
.brand-mark span:nth-child(2) { height: 12px; }
.brand-mark span:nth-child(3) { height: 9px; opacity: 0.8; }
.brand-mark-small { width: 30px; height: 30px; padding: 7px; }
.product-name {
  padding-left: 20px;
  border-left: 1px solid rgba(16, 36, 59, 0.16);
  color: var(--academic-dark);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.03em;
}
.desktop-nav {
  display: flex;
  margin-left: auto;
  align-items: center;
  gap: 29px;
  color: #445261;
  font-size: 0.88rem;
  font-weight: 580;
}
.desktop-nav a, .text-link, .site-footer a { transition: color 160ms ease; }
.desktop-nav a:hover, .text-link:hover, .site-footer a:hover { color: var(--academic); }

.button {
  display: inline-flex;
  min-height: 54px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 14px 23px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-weight: 690;
  line-height: 1;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible, summary:focus-visible, .pilot-link:focus-visible {
  outline: 3px solid rgba(76, 95, 120, 0.34);
  outline-offset: 4px;
}
.button-small { min-height: 42px; padding: 11px 17px; font-size: 0.84rem; }
.button-primary {
  color: var(--white);
  background: var(--academic);
  box-shadow: 0 11px 25px rgba(76, 95, 120, 0.2);
}
.button-primary:hover { background: var(--academic-dark); box-shadow: 0 15px 30px rgba(76, 95, 120, 0.25); }
.button-outline {
  border-color: rgba(16, 36, 59, 0.25);
  color: var(--navy);
  background: transparent;
}
.button-outline:hover { border-color: var(--navy); background: var(--white); }

.hero { position: relative; overflow: hidden; padding: 110px 0 124px; }
.hero-orbit {
  position: absolute;
  top: -490px;
  right: -330px;
  width: 850px;
  height: 850px;
  border: 1px solid rgba(76, 95, 120, 0.12);
  border-radius: 50%;
  background: rgba(233, 237, 243, 0.34);
  box-shadow: 0 0 0 105px rgba(76, 95, 120, 0.02), 0 0 0 210px rgba(76, 95, 120, 0.012);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  align-items: center;
  gap: 70px;
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, 0.72fr);
}
.hero-copy { position: relative; z-index: 1; }
.hero-lead {
  max-width: 760px;
  margin-bottom: 17px;
  color: var(--navy);
  font-size: 1.18rem;
  font-weight: 590;
  line-height: 1.65;
}
.hero-support {
  max-width: 745px;
  margin-bottom: 34px;
  color: var(--body);
  font-size: 1.02rem;
  line-height: 1.72;
}
.hero-actions { display: flex; align-items: center; gap: 28px; }
.text-link {
  border-bottom: 1px solid rgba(16, 36, 59, 0.35);
  color: var(--navy);
  font-size: 0.93rem;
  font-weight: 650;
}
.microcopy { display: flex; margin: 19px 0 0; align-items: center; gap: 8px; color: var(--muted); font-size: 0.78rem; }
.microcopy span { width: 6px; height: 6px; border-radius: 50%; background: var(--academic); }

.intelligence-visual { position: relative; }
.intelligence-visual::before {
  position: absolute;
  z-index: 0;
  inset: 24px 34px -30px 24px;
  border-radius: 14px;
  background: rgba(76, 95, 120, 0.08);
  content: "";
  transform: rotate(3deg);
}
.record-card {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border: 1px solid rgba(16, 36, 59, 0.1);
  border-radius: 12px;
  background: var(--white);
  box-shadow: var(--shadow);
}
.record-header {
  display: flex;
  padding: 18px 23px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #edf0ef;
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 710;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.record-status { display: inline-flex; align-items: center; gap: 7px; color: var(--green-dark); }
.record-status i { width: 6px; height: 6px; border-radius: 50%; background: #68a397; }
.record-body { padding: 25px 23px 21px; }
.record-kicker { display: flex; justify-content: space-between; color: var(--muted); font-size: 0.68rem; }
.partnership-map {
  display: grid;
  margin: 20px 0 24px;
  align-items: center;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr) 68px minmax(0, 1fr);
}
.organisation-node {
  min-height: 105px;
  padding: 16px;
  border: 1px solid rgba(76, 95, 120, 0.14);
  border-radius: 8px;
  background: var(--academic-pale);
}
.partner-node { border-color: rgba(148, 104, 74, 0.16); background: var(--copper-pale); }
.node-type { display: block; margin-bottom: 24px; color: var(--muted); font-size: 0.58rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.organisation-node strong { display: block; color: var(--navy); font-size: 0.76rem; line-height: 1.4; }
.connection { display: flex; align-items: center; }
.connection span { height: 1px; flex: 1; background: #b6bec7; }
.connection i { width: 9px; height: 9px; border: 2px solid var(--academic); border-radius: 50%; background: var(--white); }
.record-fields {
  display: grid;
  margin: 0;
  border-top: 1px solid #edf0ef;
  grid-template-columns: 1fr 1fr;
}
.record-fields div { padding: 14px 10px 14px 0; }
.record-fields div:nth-child(even) { padding-left: 14px; border-left: 1px solid #edf0ef; }
.record-fields div:nth-child(n+3) { border-top: 1px solid #edf0ef; }
.record-fields dt { margin-bottom: 4px; color: var(--muted); font-size: 0.58rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.record-fields dd { margin: 0; color: var(--navy); font-size: 0.68rem; font-weight: 610; }
.source-dot { display: inline-block; width: 5px; height: 5px; margin-right: 5px; border-radius: 50%; background: var(--green); }
.pattern-summary { padding: 20px 23px; border-top: 1px solid #e2e7eb; background: var(--navy-deep); }
.pattern-summary span { display: block; margin-bottom: 5px; color: #9fadb8; font-size: 0.58rem; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; }
.pattern-summary strong { display: block; color: var(--white); font-size: 0.83rem; }
.pattern-summary p { margin: 6px 0 0; color: #aebbc4; font-size: 0.65rem; line-height: 1.5; }

.problem { background: var(--white); }
.problem-grid { display: grid; gap: 100px; grid-template-columns: 1fr 0.85fr; }
.problem-grid h2 { max-width: 690px; }
.problem-copy { padding-top: 40px; }
.problem-copy p { margin-bottom: 17px; color: var(--body); font-size: 1.02rem; }

.section-heading { margin-bottom: 54px; }
.section-heading h2 { max-width: 850px; }
.centered { max-width: 900px; margin-right: auto; margin-left: auto; text-align: center; }
.centered h2 { margin-right: auto; margin-left: auto; }
.outcomes { background: var(--paper); }
.outcome-grid { display: grid; border-top: 1px solid rgba(16, 36, 59, 0.12); grid-template-columns: repeat(3, 1fr); }
.outcome-grid article { min-height: 285px; padding: 34px 34px 20px 0; }
.outcome-grid article + article { padding-left: 34px; border-left: 1px solid rgba(16, 36, 59, 0.12); }
.card-number { display: block; margin-bottom: 64px; color: var(--academic); font-size: 0.7rem; font-weight: 750; letter-spacing: 0.08em; }
.outcome-grid h3 { margin-bottom: 13px; }
.outcome-grid p { max-width: 330px; color: var(--body); font-size: 0.9rem; }

.coverage { background: var(--white); }
.split-heading { display: grid; align-items: end; gap: 90px; grid-template-columns: 1.1fr 0.9fr; }
.split-heading > p { margin-bottom: 9px; color: var(--body); }
.coverage-grid { display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); }
.coverage-card { padding: 30px; border: 1px solid rgba(16, 36, 59, 0.1); border-radius: 10px; background: #fbfbfa; }
.coverage-header { min-height: 104px; padding-bottom: 22px; border-bottom: 1px solid rgba(16, 36, 59, 0.09); }
.coverage-header span { display: block; margin-bottom: 25px; color: var(--academic); font-size: 0.7rem; font-weight: 750; }
.coverage-header h3 { margin: 0; }
.coverage-card ul { margin: 23px 0 0; padding: 0; list-style: none; }
.coverage-card li { position: relative; margin-bottom: 11px; padding-left: 19px; color: var(--body); font-size: 0.83rem; }
.coverage-card li::before { position: absolute; top: 0.73em; left: 1px; width: 5px; height: 5px; border-radius: 50%; background: var(--academic); content: ""; }
.coverage-note { margin: 25px 0 0; color: var(--muted); font-size: 0.76rem; }

.method { color: #c3cdd5; background: var(--navy-deep); }
.method-grid { display: grid; gap: 38px 88px; grid-template-columns: 0.8fr 1fr; }
.method-intro h2 { color: var(--white); }
.method-intro > p:last-child { color: #aebbc4; }
.steps-list { margin: 0; padding: 0; list-style: none; }
.steps-list li { display: grid; padding: 24px 0; border-top: 1px solid rgba(255,255,255,0.14); gap: 18px; grid-template-columns: 38px 1fr; }
.steps-list li:last-child { border-bottom: 1px solid rgba(255,255,255,0.14); }
.steps-list > li > span { display: inline-flex; width: 34px; height: 34px; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,0.24); border-radius: 50%; color: #aebed0; font-size: 0.74rem; }
.steps-list h3 { margin: 0 0 7px; color: var(--white); font-size: 1.08rem; }
.steps-list p { margin: 0; color: #aebbc4; font-size: 0.86rem; }
.trust-statement { display: flex; margin: 0; padding: 22px 25px; align-items: flex-start; gap: 13px; border: 1px solid rgba(174, 190, 208, 0.2); border-radius: 8px; color: #c7d0d7; background: rgba(255,255,255,0.04); font-size: 0.82rem; grid-column: 1 / -1; }
.trust-statement span { color: #a9cfc3; font-weight: 700; }

.example { background: #fbfaf7; }
.example-heading { margin-bottom: 48px; }
.insight-card { max-width: 980px; margin: 0 auto; overflow: hidden; border: 1px solid rgba(16, 36, 59, 0.1); border-radius: 12px; background: var(--white); box-shadow: 0 22px 50px rgba(16, 36, 59, 0.09); }
.insight-header { display: flex; padding: 26px 29px; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.insight-header > div > span { display: block; margin-bottom: 6px; color: var(--academic); font-size: 0.62rem; font-weight: 750; letter-spacing: 0.1em; text-transform: uppercase; }
.insight-header h3 { margin: 0; font-size: 1.16rem; }
.evidence-label { display: inline-flex; align-items: center; gap: 7px; color: var(--green-dark); font-size: 0.7rem; font-weight: 650; }
.evidence-label i { width: 6px; height: 6px; border-radius: 50%; background: #68a397; }
.insight-grid { display: grid; grid-template-columns: 1fr 1fr; }
.insight-grid section { padding: 34px 30px; }
.implication-panel { border-left: 1px solid var(--line); background: var(--academic-pale); }
.insight-label { display: block; margin-bottom: 15px; color: var(--academic); font-size: 0.66rem; font-weight: 750; letter-spacing: 0.1em; text-transform: uppercase; }
.insight-grid p { margin: 0; color: var(--navy); font-size: 0.96rem; line-height: 1.65; }
.insight-evidence { display: grid; padding: 21px 29px; align-items: center; border-top: 1px solid var(--line); gap: 20px; grid-template-columns: 90px 1fr; }
.insight-evidence span { color: var(--green-dark); font-size: 0.67rem; font-weight: 750; letter-spacing: 0.08em; text-transform: uppercase; }
.insight-evidence p { margin: 0; color: var(--muted); font-size: 0.78rem; }

.audience { background: var(--white); }
.audience-grid { display: grid; gap: 100px; grid-template-columns: 0.76fr 1fr; }
.audience-intro { position: sticky; top: 120px; align-self: start; }
.audience-intro > p:last-child { color: var(--body); }
.audience-list { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.audience-list li { display: grid; padding: 23px 0; border-bottom: 1px solid var(--line); gap: 18px; grid-template-columns: 35px 1fr; }
.audience-list > li > span { color: var(--academic); font-size: 0.68rem; font-weight: 750; }
.audience-list strong { display: block; margin-bottom: 4px; color: var(--navy); font-size: 0.94rem; }
.audience-list p { margin: 0; color: var(--muted); font-size: 0.8rem; }

.pilot { color: #c6d0d8; background: var(--academic-dark); }
.pilot-inner { display: grid; align-items: center; gap: 90px; grid-template-columns: 1fr 0.42fr; }
.pilot h2 { max-width: 750px; color: var(--white); }
.pilot p:last-child { max-width: 760px; margin-bottom: 0; color: #d0d8df; }
.pilot-actions { display: flex; align-items: stretch; flex-direction: column; gap: 17px; }
.button-light { color: var(--navy); background: var(--white); }
.button-light:hover { background: #f3f5f7; }
.pilot-link { cursor: pointer; padding: 0; border: 0; color: #e0e6eb; background: transparent; font-size: 0.84rem; font-weight: 630; text-decoration: underline; text-underline-offset: 4px; }

.faq { background: var(--paper); }
.faq-grid { display: grid; gap: 100px; grid-template-columns: 0.68fr 1fr; }
.faq-intro { position: sticky; top: 120px; align-self: start; }
.faq-intro h2 { font-size: clamp(2.2rem, 3.6vw, 3.3rem); }
.faq-intro > p:last-child { color: var(--body); }
.faq-list details { padding: 24px 0; border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; cursor: pointer; padding-right: 42px; color: var(--navy); font-weight: 670; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: -2px; right: 6px; color: var(--academic); content: "+"; font-size: 1.45rem; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 690px; margin: 14px 0 0; padding-right: 35px; color: var(--body); font-size: 0.9rem; }

.final-cta { color: var(--white); background: var(--navy-deep); }
.final-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 70px; }
.final-cta h2 { max-width: 760px; color: var(--white); }
.final-cta p:last-child { margin-bottom: 0; color: #b8c3cb; }
.final-cta .button { min-width: 235px; }

.site-footer { padding: 35px 0; color: #9ba8b1; background: #061321; font-size: 0.75rem; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand-footer { color: var(--white); }
.footer-inner p { margin: 0; }
.site-footer nav { display: flex; gap: 20px; }
.site-footer nav a { color: #c5d3db; text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 1040px) {
  .desktop-nav { display: none; }
  .hero-grid { gap: 66px; grid-template-columns: 1fr; }
  .intelligence-visual { width: min(640px, 94%); margin-inline: auto; }
  .problem-grid, .method-grid, .audience-grid, .faq-grid { gap: 54px; grid-template-columns: 1fr; }
  .problem-copy { padding-top: 0; }
  .method-intro, .audience-intro, .faq-intro { position: static; }
  .coverage-grid { grid-template-columns: 1fr; }
  .coverage-header { min-height: 0; }
  .pilot-inner { grid-template-columns: 1fr; }
  .pilot-actions { width: min(100%, 360px); }
}

@media (max-width: 760px) {
  .shell { width: min(100% - 32px, 1180px); }
  .section, .section-compact { padding: 78px 0; }
  .header-inner { min-height: 68px; }
  .product-name { margin-left: auto; padding-left: 0; border-left: 0; }
  .site-header .button-outline { display: none; }
  .hero { padding: 74px 0 90px; }
  .hero-orbit { display: none; }
  h1 { font-size: clamp(2.7rem, 13vw, 4.15rem); }
  h2 { font-size: clamp(2rem, 9.5vw, 3.1rem); }
  .hero-lead { font-size: 1.04rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 21px; }
  .button-primary { width: 100%; }
  .outcome-grid { grid-template-columns: 1fr; }
  .outcome-grid article { min-height: 0; padding: 28px 0; }
  .outcome-grid article + article { padding-left: 0; border-top: 1px solid rgba(16, 36, 59, 0.12); border-left: 0; }
  .card-number { margin-bottom: 30px; }
  .split-heading { gap: 22px; grid-template-columns: 1fr; }
  .insight-header { align-items: flex-start; flex-direction: column; gap: 15px; }
  .insight-grid { grid-template-columns: 1fr; }
  .implication-panel { border-top: 1px solid var(--line); border-left: 0; }
  .final-cta-inner { align-items: flex-start; flex-direction: column; }
  .footer-inner { align-items: flex-start; flex-direction: column; gap: 15px; }
}

@media (max-width: 520px) {
  .product-name { max-width: 138px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .record-header { align-items: flex-start; flex-direction: column; gap: 8px; }
  .partnership-map { grid-template-columns: 1fr; }
  .connection { width: 1px; height: 34px; margin: 0 auto; flex-direction: column; }
  .connection span { width: 1px; height: auto; }
  .record-fields { grid-template-columns: 1fr; }
  .record-fields div:nth-child(even) { padding-left: 0; border-left: 0; }
  .record-fields div + div { border-top: 1px solid #edf0ef; }
  .insight-evidence { align-items: start; grid-template-columns: 1fr; }
  .coverage-card { padding: 25px 22px; }
  .site-footer nav { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}