:root {
  --bg: #ffffff;
  --bg-soft: #f6f7f9;
  --surface: #ffffff;
  --navy: #0a192f;
  --navy-2: #13243d;
  --text: #334155;
  --muted: #667085;
  --accent: #8b1e2d;
  --accent-dark: #6e1623;
  --accent-soft: #f3e8ea;
  --border: #e3e6ea;
  --border-dark: rgba(255,255,255,.18);
  --success: #176b4d;
  --success-bg: #edf8f3;
  --error: #8b1e2d;
  --error-bg: #fdf1f3;
  --container: 1180px;
  --header-h: 78px;
  --serif: 'Instrument Sans', Arial, sans-serif;
  --sans: 'Instrument Sans', Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 22px); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { color: inherit; }

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 2000;
  background: var(--navy);
  color: #fff;
  padding: 10px 14px;
  transform: translateY(-150%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(227,230,234,.92);
}
.nav-container {
  width: min(var(--container), calc(100% - 40px));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.logo { display: inline-flex; width: 164px; flex: 0 0 auto; }
.logo img { width: 100%; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: .91rem;
  font-weight: 600;
  color: #26364c;
}
.nav-links > a:not(.btn) {
  position: relative;
  padding: 8px 0;
}
.nav-links > a:not(.btn)::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 3px;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s ease;
}
.nav-links > a:not(.btn):hover::after,
.nav-links > a:not(.btn):focus-visible::after { transform: scaleX(1); }
.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy);
  transition: transform .2s ease, opacity .2s ease;
}
.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 50px;
  padding: 13px 23px;
  border: 1px solid var(--accent);
  border-radius: 2px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn:focus-visible, input:focus-visible, textarea:focus-visible, a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(139,30,45,.25);
  outline-offset: 3px;
}
.btn-small { min-height: 42px; padding: 10px 17px; font-size: .88rem; }
.btn-full { width: 100%; }
.btn-secondary {
  background: transparent;
  color: var(--accent);
}
.btn-secondary:hover { color: #fff; }
.button-row { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.text-link {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--accent);
  font-weight: 700;
  border-bottom: 1px solid rgba(139,30,45,.35);
}
.text-link:hover { border-bottom-color: var(--accent); }
.text-link-large { font-size: 1rem; }

.hero {
  padding: 104px 0 92px;
  border-bottom: 1px solid var(--border);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(360px, .72fr);
  gap: clamp(56px, 7vw, 96px);
  align-items: center;
}
.eyebrow,
.small-label {
  display: block;
  margin-bottom: 18px;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .13em;
  line-height: 1.3;
  text-transform: uppercase;
}
.hero h1,
.section-heading h2,
.contact-copy h2,
.trace-teaser h2,
.narrow-heading h2 {
  margin: 0;
  color: var(--navy);
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -.035em;
}
.hero h1 {
  max-width: 820px;
  font-size: clamp(2.65rem, 4.5vw, 4.85rem);
  line-height: 1.01;
}
.hero-lead {
  max-width: 780px;
  margin: 30px 0 36px;
  color: #4a596d;
  font-size: clamp(1.08rem, 1.6vw, 1.28rem);
  line-height: 1.65;
}
.evidence-panel,
.trace-hero-panel {
  position: relative;
  padding: 38px;
  background: var(--surface);
  border-top: 4px solid var(--accent);
  border-bottom: 1px solid var(--border);
}
.evidence-panel::before,
.trace-hero-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  pointer-events: none;
}
.range {
  color: var(--navy);
  font-family: var(--serif);
  font-size: clamp(3rem, 4.4vw, 4.5rem);
  line-height: 1;
  letter-spacing: -.04em;
  white-space: nowrap;
}
.range span { color: var(--accent); font-family: var(--sans); font-size: .6em; font-weight: 400; }
.evidence-title {
  margin: 22px 0 28px;
  color: var(--navy);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.55;
}
.sector-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.sector-stats div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 12px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.sector-stats div:last-child { grid-column: 1 / -1; }
.sector-stats strong { color: var(--accent); }
.sector-stats span { color: var(--muted); font-size: .86rem; }
.source-note {
  margin: 22px 0 0;
  color: #7c8796;
  font-size: .75rem;
  line-height: 1.55;
}

.section { padding: 112px 0; }
.section + .section { border-top: 1px solid var(--border); }
.section-soft { background: var(--bg-soft); }
.section-dark {
  background: var(--navy);
  color: rgba(255,255,255,.78);
  border-top: 0 !important;
}
.section-heading { max-width: 880px; margin-bottom: 62px; }
.section-heading h2,
.contact-copy h2,
.trace-teaser h2,
.narrow-heading h2 {
  font-size: clamp(2.25rem, 3.65vw, 3.75rem);
  line-height: 1.05;
}
.section-heading > p,
.contact-copy > p,
.trace-teaser p,
.narrow-heading > p {
  max-width: 800px;
  margin: 24px 0 0;
  color: #596779;
  font-size: 1.08rem;
}
.section-heading-light h2 { color: #fff; }
.section-heading-light > p { color: rgba(255,255,255,.72); }
.eyebrow-light { color: #d6a1aa; }
.narrow-heading { max-width: 900px; margin-bottom: 0; }

.insight-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 72px;
  row-gap: 0;
  border-top: 1px solid var(--border);
}
.insight-item {
  position: relative;
  padding: 34px 0 38px 58px;
  border-bottom: 1px solid var(--border);
}
.insight-item:nth-child(odd) { padding-right: 24px; }
.insight-item h3,
.decision-list h3,
.method-step h3,
.credibility-grid h3,
.output-steps h3,
.trace-value-grid h3,
.trace-dimensions h3 {
  margin: 0 0 10px;
  color: var(--navy);
  font-family: var(--serif);
  font-size: 1.55rem;
  line-height: 1.25;
  font-weight: 600;
}
.insight-item p,
.decision-list p,
.method-step li,
.credibility-grid p,
.output-steps p,
.trace-value-grid p,
.trace-dimensions p { margin: 0; color: #5c6878; }
.item-number {
  position: absolute;
  left: 0;
  top: 38px;
  color: var(--accent);
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 700;
}
.section-conclusion {
  max-width: 900px;
  margin: 48px 0 0;
  color: var(--accent);
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.2vw, 2rem);
  font-style: normal;
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.35;
}

.blindspot-grid {
  display: grid;
  grid-template-columns: 1fr 110px 1fr;
  gap: 36px;
  align-items: stretch;
  margin-top: 16px;
}
.blindspot-column { padding: 28px 0; }
.blindspot-label {
  display: block;
  margin-bottom: 24px;
  color: #fff;
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
}
.signal-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
}
.signal-list li {
  padding: 11px 0;
  border-bottom: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.72);
}
.signal-list-accent li { color: #fff; }
.blindspot-divider {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.blindspot-divider::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: rgba(255,255,255,.18);
}
.blindspot-divider span {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}
blockquote {
  max-width: 900px;
  margin: 64px 0 0;
  color: #fff;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3vw, 2.8rem);
  line-height: 1.3;
  font-style: normal;
  font-weight: 500;
  letter-spacing: -.035em;
}

.decision-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 70px;
  border-top: 1px solid var(--border);
}
.decision-list article {
  display: grid;
  grid-template-columns: minmax(145px, .42fr) 1fr;
  gap: 28px;
  padding: 29px 0;
  border-bottom: 1px solid var(--border);
}
.decision-list h3 { font-size: 1.25rem; }

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 4px solid var(--accent);
}
.method-step {
  position: relative;
  padding: 38px 34px 34px 0;
  min-height: 430px;
}
.method-step + .method-step { padding-left: 34px; border-left: 1px solid var(--border); }
.method-step .item-number { position: static; display: block; margin-bottom: 30px; }
.method-kicker {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.method-step ul { margin: 24px 0 0; padding-left: 20px; }
.method-step li { margin: 0 0 9px; }
.confidence-block {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 60px;
  align-items: start;
  margin-top: 52px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
}
.confidence-scale {
  margin: 0;
  color: var(--navy);
  font-weight: 600;
  line-height: 1.8;
}
.confidence-scale span { color: var(--accent); margin: 0 5px; }
.confidence-note { margin: 0; color: #5f6a77; }

.credibility-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 74px;
  align-items: start;
}
.searchinitaly-block,
.founder-block {
  padding-top: 32px;
  border-top: 4px solid var(--navy);
}
.founder-block { border-top-color: var(--accent); }
.year {
  margin-bottom: 10px;
  color: var(--accent);
  font-family: var(--serif);
  font-size: clamp(4.7rem, 8vw, 7rem);
  line-height: .9;
  letter-spacing: -.05em;
}
.credibility-grid h3 { font-size: 2rem; margin-bottom: 22px; }
.credibility-grid p + p { margin-top: 18px; }
.founder-block .text-link { margin-top: 26px; }
.independence-strip {
  display: grid;
  grid-template-columns: .55fr 1.45fr;
  gap: 40px;
  margin-top: 70px;
  padding: 34px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.independence-strip strong { color: var(--navy); font-family: var(--serif); font-size: 1.35rem; line-height: 1.35; }
.independence-strip span { color: #5c6878; }

.trace-teaser { background: #f7eef0; }
.trace-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 80px;
  align-items: center;
}
.trace-teaser p { max-width: 760px; }
.trace-teaser p + p { margin-top: 14px; }
.trace-teaser .btn { margin-top: 30px; }
.trace-framework {
  border-top: 4px solid var(--accent);
}
.trace-framework span {
  display: block;
  padding: 17px 4px;
  border-bottom: 1px solid #e7d7db;
  color: var(--navy);
  font-family: var(--serif);
  font-size: 1.4rem;
}

.contact-section { background: var(--navy); border-top: 0 !important; }
.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 80px;
  align-items: start;
}
.contact-copy { padding-top: 12px; }
.contact-copy h2 { color: #fff; }
.contact-copy > p { color: rgba(255,255,255,.72); }
.contact-copy .direct-reply { color: #fff; margin-top: 34px; }
.form-card {
  padding: 38px;
  background: var(--surface);
  border-top: 4px solid var(--accent);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  margin-bottom: 7px;
  color: var(--navy);
  font-size: .87rem;
  font-weight: 700;
}
.optional { color: #8a939f; font-weight: 500; }
.form-group input,
.form-group textarea {
  width: 100%;
  min-height: 50px;
  border: 1px solid #cfd3d8;
  border-radius: 2px;
  background: #fff;
  padding: 12px 13px;
  color: var(--navy);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.form-group textarea { min-height: 110px; resize: vertical; }
.form-group input[aria-invalid="true"],
.form-group textarea[aria-invalid="true"] { border-color: var(--error); box-shadow: 0 0 0 2px rgba(139,30,45,.08); }
.field-error {
  display: block;
  min-height: 18px;
  margin-top: 5px;
  color: var(--error);
  font-size: .78rem;
}
.privacy-disclaimer {
  margin: 2px 0 18px;
  color: #737e8d;
  font-size: .78rem;
  line-height: 1.5;
}
.privacy-disclaimer a { color: var(--navy); text-decoration: underline; }
.form-message {
  margin-bottom: 20px;
  padding: 15px 17px;
  border: 1px solid;
  font-size: .9rem;
}
.success-message { background: var(--success-bg); border-color: #badfce; color: var(--success); }
.error-message { background: var(--error-bg); border-color: #efc2c7; color: var(--error); }
.honeypot { position: absolute !important; left: -9999px !important; opacity: 0 !important; }

.site-footer {
  padding: 34px 0;
  background: #071426;
  color: rgba(255,255,255,.58);
  font-size: .78rem;
}
.footer-grid { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.site-footer p { margin: 0; }
.footer-links { display: flex; gap: 18px; }
.footer-links a:hover { color: #fff; }

/* TRACE */
.hero-trace { padding-bottom: 100px; }
.trace-hero-panel { border-top-color: var(--navy); }
.trace-hero-statement {
  margin: 0;
  color: var(--navy);
  font-family: var(--serif);
  font-size: clamp(1.55rem, 2.4vw, 2.15rem);
  line-height: 1.35;
}
.trace-value-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 58px;
  border-top: 1px solid var(--border);
}
.trace-value-grid article {
  position: relative;
  padding: 32px 0 36px 58px;
  border-bottom: 1px solid var(--border);
}
.trace-value-grid .item-number { top: 36px; }
.trace-dimensions {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}
.trace-dimensions article { padding: 30px 24px 34px 0; }
.trace-dimensions article + article { padding-left: 24px; border-left: 1px solid var(--border-dark); }
.trace-dimensions article > span {
  display: block;
  margin-bottom: 18px;
  color: #d6a1aa;
  font-family: var(--serif);
  font-size: 2.7rem;
  line-height: 1;
}
.trace-dimensions h3 { color: #fff; font-size: 1.35rem; }
.trace-dimensions p { color: rgba(255,255,255,.64); font-size: .9rem; }
.output-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 4px solid var(--accent);
}
.output-steps article { padding: 34px 32px 34px 0; }
.output-steps article + article { padding-left: 32px; border-left: 1px solid var(--border); }
.output-steps .small-label { margin-bottom: 24px; }
.scope-note {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 46px;
  margin-top: 54px;
  padding: 30px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.scope-note strong { color: var(--navy); font-family: var(--serif); font-size: 1.25rem; line-height: 1.45; }
.scope-note span { color: #5d6878; }
.engine-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 74px;
  align-items: start;
}
.engine-grid .section-heading { margin-bottom: 0; }
.engine-grid .text-link { margin-top: 30px; }
.engine-list { border-top: 4px solid var(--navy); }
.engine-list div {
  display: grid;
  grid-template-columns: .42fr .58fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}
.engine-list strong { color: var(--navy); }
.engine-list span { color: #5d6878; }

@media (max-width: 1060px) {
  .nav-links { gap: 17px; font-size: .85rem; }
  .hero-grid { grid-template-columns: 1.15fr .85fr; gap: 48px; }
  .contact-grid { gap: 54px; }
  .trace-grid { gap: 54px; }
}

@media (max-width: 900px) {
  :root { --header-h: 70px; }
  .container, .nav-container { width: min(100% - 32px, var(--container)); }
  .site-header { height: var(--header-h); }
  .logo { width: 148px; }
  .mobile-menu-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 18px 16px 24px;
    background: rgba(255,255,255,.99);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 18px 36px rgba(10,25,47,.08);
  }
  .nav-links.active { display: flex; }
  .nav-links > a:not(.btn) { padding: 14px 6px; border-bottom: 1px solid var(--border); }
  .nav-links > a:not(.btn)::after { display: none; }
  .nav-links .btn { margin-top: 18px; }

  .hero { padding: 72px 0 70px; }
  .hero-grid,
  .contact-grid,
  .trace-grid,
  .engine-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 48px; }
  .hero h1 { max-width: 760px; }
  .evidence-panel, .trace-hero-panel { max-width: 680px; }

  .section { padding: 88px 0; }
  .section-heading { margin-bottom: 50px; }
  .insight-grid,
  .decision-list,
  .credibility-grid,
  .confidence-block,
  .scope-note { grid-template-columns: 1fr; }
  .insight-grid { column-gap: 0; }
  .decision-list { column-gap: 0; }
  .decision-list article { grid-template-columns: 170px 1fr; }
  .method-grid { grid-template-columns: 1fr; }
  .method-step { min-height: 0; padding: 30px 0; }
  .method-step + .method-step { padding-left: 0; border-left: 0; border-top: 1px solid var(--border); }
  .confidence-block { gap: 24px; }
  .credibility-grid { gap: 54px; }
  .independence-strip { grid-template-columns: 1fr; gap: 16px; }
  .trace-framework { max-width: 680px; }
  .contact-grid { gap: 48px; }

  .trace-dimensions { grid-template-columns: repeat(2, 1fr); }
  .trace-dimensions article,
  .trace-dimensions article + article { padding: 24px 20px; border-left: 0; border-bottom: 1px solid var(--border-dark); }
  .trace-dimensions article:nth-child(even) { border-left: 1px solid var(--border-dark); }
  .trace-dimensions article:last-child { grid-column: 1 / -1; }
  .output-steps { grid-template-columns: 1fr; }
  .output-steps article,
  .output-steps article + article { padding: 28px 0; border-left: 0; border-bottom: 1px solid var(--border); }
  .scope-note { gap: 18px; }
  .engine-grid { gap: 50px; }
}

@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .container, .nav-container { width: min(100% - 28px, var(--container)); }
  .hero { padding: 56px 0 58px; }
  .hero h1 { font-size: clamp(2.38rem, 11vw, 3.35rem); }
  .hero-lead { margin-top: 24px; margin-bottom: 28px; font-size: 1.02rem; }
  .eyebrow { margin-bottom: 14px; font-size: .7rem; }
  .evidence-panel, .trace-hero-panel, .form-card { padding: 27px 22px; }
  .range { font-size: clamp(3rem, 15vw, 4.5rem); }
  .sector-stats div { padding: 9px 10px; }

  .section { padding: 72px 0; }
  .section-heading { margin-bottom: 40px; }
  .section-heading h2,
  .contact-copy h2,
  .trace-teaser h2,
  .narrow-heading h2 { font-size: clamp(2rem, 10vw, 2.8rem); }
  .section-heading > p,
  .contact-copy > p,
  .trace-teaser p,
  .narrow-heading > p { font-size: 1rem; }

  .insight-item,
  .trace-value-grid article { padding: 25px 0 28px 44px; }
  .insight-item .item-number,
  .trace-value-grid .item-number { top: 29px; }
  .insight-item h3,
  .decision-list h3,
  .method-step h3,
  .credibility-grid h3,
  .output-steps h3,
  .trace-value-grid h3,
  .trace-dimensions h3 { font-size: 1.35rem; }
  .section-conclusion { margin-top: 36px; font-size: 1.35rem; }

  .blindspot-grid { grid-template-columns: 1fr; gap: 4px; }
  .blindspot-column { padding: 16px 0; }
  .blindspot-divider { min-height: 72px; }
  .blindspot-divider::before { top: 0; bottom: 0; }
  .blindspot-divider span { width: 54px; height: 54px; }
  .signal-list { grid-template-columns: repeat(2, 1fr); gap: 0 18px; }
  blockquote { margin-top: 44px; font-size: 1.65rem; }

  .decision-list article { grid-template-columns: 1fr; gap: 6px; padding: 23px 0; }
  .method-step { padding: 26px 0; }
  .confidence-scale { font-size: .94rem; }
  .year { font-size: 4.8rem; }
  .independence-strip { margin-top: 52px; }
  .trace-grid { gap: 42px; }
  .trace-framework span { font-size: 1.22rem; padding: 14px 2px; }

  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-group input, .form-group textarea { font-size: 16px; }
  .contact-grid { gap: 38px; }
  .footer-grid { flex-direction: column; align-items: flex-start; gap: 14px; }
  .footer-links { flex-wrap: wrap; gap: 14px; }

  .trace-value-grid { grid-template-columns: 1fr; gap: 0; }
  .trace-dimensions { grid-template-columns: 1fr; }
  .trace-dimensions article,
  .trace-dimensions article + article,
  .trace-dimensions article:nth-child(even) { padding: 22px 0; border-left: 0; }
  .trace-dimensions article:last-child { grid-column: auto; }
  .engine-list div { grid-template-columns: 1fr; gap: 5px; }
  .button-row { align-items: flex-start; flex-direction: column; gap: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* Variant tuning: Instrument Sans */
.hero h1 { letter-spacing: -.04em; }
.section-heading h2, .contact-copy h2, .trace-teaser h2, .narrow-heading h2 { letter-spacing: -.032em; }

/* Copy architecture update: Decision Intelligence positioning */
.hero-distinction {
  max-width: 760px;
  margin: -8px 0 34px;
  padding-left: 18px;
  border-left: 3px solid var(--accent);
  color: var(--navy);
  font-size: 1rem;
  line-height: 1.55;
}

.insight-grid-five .insight-item:last-child {
  grid-column: 1 / -1;
  max-width: 760px;
}

.economic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 4px solid var(--accent);
}
.economic-grid article {
  padding: 34px 32px 34px 0;
}
.economic-grid article + article {
  padding-left: 32px;
  border-left: 1px solid var(--border);
}
.economic-grid h3 {
  margin: 0 0 10px;
  color: var(--navy);
  font-family: var(--serif);
  font-size: 1.45rem;
  line-height: 1.25;
  font-weight: 600;
}
.economic-grid p {
  margin: 0;
  color: #5c6878;
}

.method-grid-four {
  grid-template-columns: repeat(2, 1fr);
}
.method-grid-four .method-step {
  min-height: 350px;
  padding: 36px 34px 36px 0;
  border-bottom: 1px solid var(--border);
}
.method-grid-four .method-step:nth-child(even) {
  padding-left: 34px;
  border-left: 1px solid var(--border);
}
.method-grid-four .method-step:nth-child(3) {
  padding-left: 0;
  border-left: 0;
}

@media (max-width: 900px) {
  .economic-grid { grid-template-columns: 1fr; }
  .economic-grid article,
  .economic-grid article + article {
    padding: 28px 0;
    border-left: 0;
    border-bottom: 1px solid var(--border);
  }
  .method-grid-four { grid-template-columns: 1fr; }
  .method-grid-four .method-step,
  .method-grid-four .method-step:nth-child(even),
  .method-grid-four .method-step:nth-child(3) {
    min-height: 0;
    padding: 30px 0;
    border-left: 0;
    border-bottom: 1px solid var(--border);
  }
}

@media (max-width: 640px) {
  .hero-distinction {
    margin-top: -4px;
    margin-bottom: 28px;
    padding-left: 14px;
    font-size: .95rem;
  }
  .insight-grid-five .insight-item:last-child { max-width: none; }
}

/* Long hero headline tuning for the Decision Intelligence proposition */
.hero h1 {
  font-size: clamp(2.55rem, 3.7vw, 3.95rem);
  line-height: 1.035;
}
@media (max-width: 640px) {
  .hero h1 { font-size: clamp(2.2rem, 10.5vw, 3rem); }
}

/* Language switch */
.nav-links > a.language-switch {
  color: var(--accent);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.nav-links > a.language-switch::after { display: none; }
.nav-links > a.language-switch:hover,
.nav-links > a.language-switch:focus-visible { color: var(--accent-dark); }

@media (max-width: 1060px) and (min-width: 901px) {
  .nav-links { gap: 12px; font-size: .8rem; }
  .nav-links > a.language-switch { font-size: .72rem; }
  .btn-small { padding-left: 14px; padding-right: 14px; }
}