/* ==========================================================================
   Trasetti — Signal / Paper
   Shared stylesheet for the corporate website v1.
   No frameworks, no external requests, no dependencies.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Fonts — supplied variable WOFF2 files, self-hosted
   -------------------------------------------------------------------------- */

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Serif 4";
  src: url("../fonts/source-serif-4-var.woff2") format("woff2");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}

/* --------------------------------------------------------------------------
   2. Tokens
   -------------------------------------------------------------------------- */

:root {
  --navy: #021c34;
  --deep-blue: #0a2b47;
  --slate: #53687a;
  --mist: #e7ebef;
  --paper: #f7f6f3;
  --white: #ffffff;
  --brass: #a98b5d;
  --ink: #12171c;

  --font-ui: "Inter", "Segoe UI", Arial, sans-serif;
  --font-display: "Source Serif 4", Georgia, "Times New Roman", serif;

  --max: 1200px;
  --gutter: 32px;
  --section: 96px;

  --ease: cubic-bezier(0.2, 0.6, 0.2, 1);
}

/* --------------------------------------------------------------------------
   3. Reset and base
   -------------------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-optical-sizing: auto;
  letter-spacing: -0.012em;
}

p,
ul,
ol,
figure,
blockquote {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

button {
  font: inherit;
  color: inherit;
}

::selection {
  background: var(--brass);
  color: var(--navy);
}

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

main:focus {
  outline: none;
}

/* Themes ------------------------------------------------------------------ */

.section {
  --text: var(--ink);
  --muted: var(--slate);
  --rule: var(--mist);
  --eyebrow: var(--slate);
  --link-rule: var(--slate);
  --focus: var(--navy);
  padding-block: var(--section);
  background: var(--paper);
  color: var(--text);
}

.section--paper {
  background: var(--paper);
}

.section--white {
  background: var(--white);
}

.section--navy,
.section--deep,
.hero,
.page-hero,
.article-hero,
.error-hero,
.site-footer {
  --text: var(--white);
  --muted: var(--mist);
  --rule: rgba(255, 255, 255, 0.18);
  --eyebrow: var(--mist);
  --link-rule: var(--mist);
  --focus: var(--brass);
  color: var(--white);
}

.section--navy {
  background: var(--navy);
}

.section--deep {
  background: var(--deep-blue);
}

/* Layout ------------------------------------------------------------------ */

.shell {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.shell--wide {
  max-width: 1360px;
}

/* --------------------------------------------------------------------------
   4. Typography and shared elements
   -------------------------------------------------------------------------- */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  color: var(--eyebrow);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  flex: none;
  width: 28px;
  height: 1px;
  background: var(--brass);
}

.display-xl,
.display-l,
.display-m {
  color: var(--text);
}

.display-xl {
  font-size: clamp(42px, 5.6vw, 76px);
  line-height: 1.03;
  letter-spacing: -0.018em;
}

.display-l {
  font-size: clamp(34px, 4.1vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.015em;
}

.display-m {
  font-size: clamp(28px, 3vw, 36px);
  line-height: 1.14;
  letter-spacing: -0.012em;
}

.lede {
  font-size: 19px;
  line-height: 1.7;
  color: var(--muted);
}

.prose p {
  margin-bottom: 24px;
  max-width: 66ch;
}

.prose p:last-child {
  margin-bottom: 0;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 12px 18px;
  background: var(--navy);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 0.15s var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

.icon {
  flex: none;
  width: 16px;
  height: 16px;
}

/* Links ------------------------------------------------------------------- */

.tlink {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 0 9px;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  border-bottom: 1px solid var(--link-rule);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.tlink .icon {
  transition: transform 0.18s var(--ease);
}

.tlink:hover {
  border-bottom-color: var(--text);
}

.tlink:hover .icon {
  transform: translateX(3px);
}

.tlink--brass {
  border-bottom-color: var(--brass);
}

/* Buttons ----------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 0;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease),
    color 0.18s var(--ease);
}

.btn--primary {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--deep-blue);
  border-color: var(--deep-blue);
}

.btn--light {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--navy);
}

.btn--light:hover {
  background: var(--white);
  border-color: var(--white);
}

.btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--white);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--white);
}

.btn--outline {
  background: transparent;
  border-color: var(--slate);
  color: var(--navy);
}

.btn--outline:hover {
  background: rgba(2, 28, 52, 0.04);
  border-color: var(--navy);
}

.btn .icon {
  width: 15px;
  height: 15px;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 38px;
}

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

.section-head {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 32px;
  margin-bottom: 56px;
}

.section-head .eyebrow {
  grid-column: 1 / -1;
}

.section-head h2 {
  grid-column: 1 / span 6;
  margin-top: 22px;
  color: var(--text);
}

.section-head .section-intro {
  grid-column: 8 / span 5;
  align-self: end;
  padding-bottom: 4px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--muted);
}

.section-head--stack {
  display: block;
}

.section-head--stack h2 {
  max-width: 20ch;
  margin-top: 22px;
}

.section-head--stack .section-intro {
  max-width: 58ch;
  margin-top: 24px;
}

/* --------------------------------------------------------------------------
   5. Header and navigation
   -------------------------------------------------------------------------- */

.site-header {
  position: relative;
  z-index: 20;
  background: var(--paper);
  border-top: 3px solid var(--brass);
  border-bottom: 1px solid var(--mist);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  min-height: 88px;
}

.brand {
  display: inline-flex;
  flex: none;
  align-items: center;
  min-height: 44px;
}

.brand img {
  width: auto;
  height: 40px;
}

.primary-nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-width: 44px;
  min-height: 44px;
  padding: 2px 0 0;
  color: var(--navy);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.3;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.nav-link:hover {
  border-bottom-color: var(--slate);
}

.nav-link.is-active {
  border-bottom-color: var(--brass);
}

.nav-cta {
  margin-left: 6px;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  min-width: 48px;
  min-height: 48px;
  margin-left: auto;
  padding: 0 2px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--navy);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.no-js .nav-toggle {
  display: none;
}

.nav-toggle:hover {
  border-color: rgba(18, 23, 28, 0.25);
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 20px;
  height: 10px;
}

.nav-toggle__bars span {
  position: absolute;
  left: 0;
  width: 20px;
  height: 1px;
  background: currentColor;
  transition: transform 0.18s var(--ease), top 0.18s var(--ease),
    opacity 0.18s var(--ease);
}

.nav-toggle__bars span:first-child {
  top: 0;
}

.nav-toggle__bars span:last-child {
  top: 9px;
}

.site-header.is-open .nav-toggle__bars span:first-child {
  top: 5px;
  transform: rotate(45deg);
}

.site-header.is-open .nav-toggle__bars span:last-child {
  top: 5px;
  transform: rotate(-45deg);
}

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  padding-top: calc(var(--section) - 6px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 48px;
  align-items: center;
  padding-bottom: 64px;
}

.hero-copy h1 {
  max-width: 11.6em;
  margin-top: 26px;
}

.hero-copy .lede {
  max-width: 46ch;
  margin-top: 30px;
}

.hero-copy .btn-row {
  margin-top: 40px;
}

.hero-art {
  position: relative;
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.hero-art svg {
  width: 100%;
  max-width: 540px;
  height: auto;
}

.hero-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 28px;
  padding: 26px 0 30px;
  border-top: 1px solid var(--rule);
  color: var(--mist);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-foot .sep {
  color: var(--brass);
}

/* --------------------------------------------------------------------------
   7. Home — buyer problems
   -------------------------------------------------------------------------- */

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--mist);
}

.problem {
  position: relative;
  padding: 34px 34px 0 0;
}

.problem + .problem {
  padding-left: 34px;
  border-left: 1px solid var(--mist);
}

.problem::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 44px;
  height: 1px;
  background: var(--brass);
}

.problem + .problem::before {
  left: 34px;
}

.problem__number {
  display: block;
  color: var(--slate);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.problem h3 {
  max-width: 20ch;
  margin: 18px 0 14px;
  font-size: 24px;
  line-height: 1.25;
}

.problem p {
  max-width: 36ch;
  color: var(--slate);
  font-size: 16px;
  line-height: 1.62;
}

.problem .tlink {
  margin-top: 22px;
}

/* --------------------------------------------------------------------------
   8. Home — practices
   -------------------------------------------------------------------------- */

.practice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.practice {
  padding-right: 56px;
}

.practice + .practice {
  padding-right: 0;
  padding-left: 56px;
  border-left: 1px solid var(--mist);
}

.practice__label {
  color: var(--slate);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.practice h3 {
  max-width: 15ch;
  margin: 16px 0 20px;
  font-size: clamp(22px, 2.2vw, 26px);
  line-height: 1.16;
}

.practice > p {
  max-width: 44ch;
  color: var(--slate);
  font-size: 17px;
  line-height: 1.68;
}

.practice-list {
  margin-top: 28px;
  border-top: 1px solid var(--mist);
}

.practice-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--mist);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
}

.practice .tlink {
  margin-top: 24px;
}

/* --------------------------------------------------------------------------
   9. Home — method
   -------------------------------------------------------------------------- */

.method-intro {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 32px;
}

.method-intro .eyebrow {
  grid-column: 1 / -1;
}

.method-intro h2 {
  grid-column: 1 / span 5;
  margin-top: 22px;
}

.method-intro__right {
  grid-column: 7 / span 6;
  padding-top: 4px;
}

.method-intro__right p {
  font-size: 17px;
  line-height: 1.72;
  color: var(--mist);
}

.pullquote {
  max-width: 26em;
  margin-top: 32px;
  padding-left: 26px;
  border-left: 1px solid var(--brass);
  font-family: var(--font-display);
  font-size: clamp(22px, 2.3vw, 30px);
  font-weight: 400;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--white);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
  margin-top: 72px;
}

.step {
  padding-top: 22px;
  border-top: 1px solid var(--rule);
}

.step__number {
  display: block;
  color: var(--brass);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.step h3 {
  margin: 16px 0 10px;
  font-size: 22px;
  line-height: 1.25;
}

.step p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   10. Article cards
   -------------------------------------------------------------------------- */

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
}

.article-card {
  position: relative;
  padding-top: 24px;
  border-top: 1px solid var(--mist);
}

.article-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 34px;
  height: 1px;
  background: var(--brass);
}

.kicker {
  color: var(--slate);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.article-card h3 {
  margin: 18px 0 12px;
  font-size: 25px;
  line-height: 1.2;
}

.article-card__deck {
  max-width: 36ch;
  color: var(--slate);
  font-size: 16px;
  line-height: 1.6;
}

.meta {
  color: var(--slate);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.article-card .meta {
  margin-top: 18px;
}

.article-card .tlink {
  margin-top: 8px;
}

.section-foot {
  margin-top: 48px;
}

/* --------------------------------------------------------------------------
   11. Home — about teaser and fact rail
   -------------------------------------------------------------------------- */

.about-teaser {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 64px;
}

.about-teaser h2 {
  max-width: 17ch;
  margin-top: 22px;
}

.about-teaser__body {
  max-width: 58ch;
  margin-top: 26px;
  color: var(--slate);
  font-size: 17px;
  line-height: 1.72;
}

.facts {
  align-self: start;
  border-top: 1px solid var(--mist);
}

.facts div {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--mist);
}

.facts dt {
  padding-top: 4px;
  color: var(--slate);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.facts dd {
  margin: 0;
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.35;
}

/* --------------------------------------------------------------------------
   12. Final call to action
   -------------------------------------------------------------------------- */

.cta-band {
  border-top: 1px solid var(--mist);
}

.cta-band__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 64px;
  align-items: end;
}

.cta-band h2 {
  max-width: 20ch;
  margin-top: 22px;
}

.cta-band__aside p {
  max-width: 44ch;
  color: var(--slate);
  font-size: 17px;
  line-height: 1.7;
}

.cta-band__aside .btn-row {
  margin-top: 28px;
}

.fineprint {
  margin-top: 20px;
  color: var(--slate);
  font-size: 12.5px;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   13. Inner page heroes
   -------------------------------------------------------------------------- */

.page-hero {
  background: var(--navy);
  padding-block: 80px 72px;
  color: var(--white);
}

.page-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: 64px;
  align-items: end;
}

.page-hero h1 {
  max-width: 18ch;
  margin-top: 26px;
  font-size: clamp(40px, 4.8vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.016em;
}

.page-hero .standfirst {
  max-width: 40ch;
  margin-top: 24px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 24px);
  font-weight: 400;
  line-height: 1.4;
  color: var(--mist);
}

.page-hero__aside p {
  font-size: 16px;
  line-height: 1.72;
  color: var(--mist);
}

.page-hero__aside .btn-row {
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  margin-top: 28px;
}

.page-hero__aside .tlink {
  color: var(--white);
  border-bottom-color: var(--mist);
}

/* --------------------------------------------------------------------------
   14. Practice page sections
   -------------------------------------------------------------------------- */

.issue-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px 64px;
  counter-reset: issue;
}

.issue {
  padding-top: 22px;
  border-top: 1px solid var(--mist);
  counter-increment: issue;
}

.issue::before {
  content: "0" counter(issue);
  display: block;
  margin-bottom: 16px;
  color: var(--slate);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.issue h3 {
  max-width: 24ch;
  margin-bottom: 12px;
  font-size: 24px;
  line-height: 1.24;
}

.issue p {
  max-width: 44ch;
  color: var(--slate);
  font-size: 16px;
  line-height: 1.65;
}

.scope-layout {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 64px;
}

.scope-layout h2 {
  max-width: 13ch;
  margin-top: 22px;
}

.scope-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 40px;
  border-top: 1px solid var(--mist);
}

.scope-list li {
  padding: 15px 0;
  border-bottom: 1px solid var(--mist);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
}

.steps--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 44px 64px;
  margin-top: 56px;
}

.steps--two .step h3 {
  font-size: 25px;
}

.steps--two .step p {
  max-width: 46ch;
  font-size: 16px;
}

.question-list {
  border-top: 1px solid var(--mist);
}

.questions-layout {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 64px;
  align-items: start;
}

.questions-layout h2 {
  max-width: 15ch;
  margin-top: 22px;
}

.questions-body .btn-row {
  margin-top: 34px;
}

.question-list li {
  max-width: none;
  padding: 22px 0;
  border-bottom: 1px solid var(--mist);
  font-family: var(--font-display);
  font-size: clamp(20px, 2.1vw, 25px);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: -0.008em;
  color: var(--navy);
}

.related {
  display: block;
}

.related h2 {
  max-width: 18ch;
  margin-top: 22px;
}

.related p {
  max-width: 52ch;
  margin-top: 20px;
  color: var(--slate);
  font-size: 17px;
  line-height: 1.7;
}

.related .tlink {
  margin-top: 20px;
}

/* --------------------------------------------------------------------------
   15. Insights index
   -------------------------------------------------------------------------- */

.insight-list {
  border-top: 1px solid var(--mist);
}

.insight-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 190px;
  gap: 32px;
  align-items: start;
  padding: 38px 0;
  border-bottom: 1px solid var(--mist);
}

.insight-row__number {
  padding-top: 4px;
  color: var(--slate);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.insight-row h2 {
  margin: 10px 0 12px;
  font-size: clamp(26px, 2.6vw, 33px);
  line-height: 1.18;
}

.insight-row h2 a {
  display: inline-block;
  padding-block: calc((44px - 1.18em) / 2 + 0.5px);
  margin-block: calc((44px - 1.18em) / -2 - 0.5px);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 1px;
  text-underline-offset: 6px;
  transition: text-decoration-color 0.2s var(--ease);
}

.insight-row h2 a:hover {
  text-decoration-color: var(--brass);
}

.insight-row__deck {
  max-width: 58ch;
  color: var(--slate);
  font-size: 16px;
  line-height: 1.62;
}

.insight-row .tlink {
  margin-top: 10px;
}

.insight-row__meta {
  padding-top: 14px;
  color: var(--slate);
  font-size: 12px;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   16. Article
   -------------------------------------------------------------------------- */

.article-hero {
  background: var(--navy);
  padding-block: 56px 64px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--mist);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.breadcrumb a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.breadcrumb a:hover {
  border-bottom-color: var(--mist);
}

.breadcrumb span[aria-hidden="true"] {
  color: var(--brass);
}

.article-hero .kicker {
  margin-top: 38px;
  color: var(--brass);
}

.article-hero h1 {
  max-width: 16ch;
  margin-top: 18px;
  font-size: clamp(40px, 4.8vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.016em;
}

.article-hero .standfirst {
  max-width: 46ch;
  margin-top: 22px;
  font-family: var(--font-display);
  font-size: clamp(19px, 1.9vw, 23px);
  line-height: 1.45;
  color: var(--mist);
}

.article-hero .meta {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  color: var(--mist);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-body {
  max-width: min(700px, calc(100% - var(--gutter) * 2));
  margin-left: max(var(--gutter), calc((100% - var(--max)) / 2 + var(--gutter)));
  margin-right: var(--gutter);
  padding-block: var(--section);
}

.article-body > p {
  margin-bottom: 26px;
  font-size: 18px;
  line-height: 1.78;
}

.article-body > p:first-child {
  font-size: 20px;
  line-height: 1.7;
}

.article-body h2 {
  margin: 56px 0 20px;
  font-size: clamp(28px, 2.8vw, 34px);
  line-height: 1.2;
  color: var(--navy);
}

.article-body strong {
  font-weight: 600;
  color: var(--navy);
}

.article-body em {
  font-style: italic;
}

.article-question {
  max-width: 32ch;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--mist);
  font-family: var(--font-display);
  font-size: clamp(23px, 2.3vw, 27px);
  font-weight: 400;
  line-height: 1.38;
  letter-spacing: -0.008em;
  color: var(--navy);
}

.article-note {
  margin-top: 40px;
  color: var(--slate);
  font-size: 13.5px;
  font-style: italic;
  line-height: 1.6;
}

.article-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 24px 40px;
  margin-top: 48px;
  padding-top: 26px;
  border-top: 1px solid var(--mist);
}

.article-foot__related {
  text-align: right;
}

.article-foot__related .kicker {
  display: block;
  margin-bottom: 2px;
}

/* --------------------------------------------------------------------------
   17. About
   -------------------------------------------------------------------------- */

.split-text {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 64px;
}

.split-text h2 {
  max-width: 16ch;
  margin-top: 22px;
}

.split-text__body p {
  margin-bottom: 22px;
  color: var(--slate);
  font-size: 17px;
  line-height: 1.75;
}

.split-text__body p:first-child {
  color: var(--ink);
  font-size: 19px;
  line-height: 1.7;
}

.commitment-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px 64px;
  counter-reset: commitment;
}

.commitment {
  padding-top: 22px;
  border-top: 1px solid var(--mist);
  counter-increment: commitment;
}

.commitment::before {
  content: "0" counter(commitment);
  display: block;
  margin-bottom: 14px;
  color: var(--slate);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.commitment h3 {
  margin-bottom: 10px;
  font-size: 24px;
}

.commitment p {
  max-width: 42ch;
  color: var(--slate);
  font-size: 16px;
  line-height: 1.65;
}

.ambition {
  background: var(--deep-blue);
}

.ambition__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 64px;
  align-items: start;
}

.ambition h2 {
  max-width: 15ch;
  margin-top: 22px;
}

.ambition__body p {
  font-size: 18px;
  line-height: 1.75;
  color: var(--mist);
}

.ambition__note {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.45;
  color: var(--white);
}

.help-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 64px;
  margin-top: 48px;
  border-top: 1px solid var(--mist);
}

.help-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--mist);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   18. Contact
   -------------------------------------------------------------------------- */

.process {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
  counter-reset: process;
}

.process__step {
  padding-top: 22px;
  border-top: 1px solid var(--mist);
  counter-increment: process;
}

.process__step::before {
  content: "0" counter(process);
  display: block;
  margin-bottom: 16px;
  color: var(--slate);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.process__step h3 {
  margin-bottom: 10px;
  font-size: 24px;
  line-height: 1.22;
}

.process__step p {
  max-width: 38ch;
  color: var(--slate);
  font-size: 16px;
  line-height: 1.65;
}

.helps-layout {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 64px;
}

.helps-layout h2 {
  max-width: 18ch;
  margin-top: 22px;
}

.helps-list {
  border-top: 1px solid var(--mist);
}

.helps-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--mist);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
}

.note-box {
  margin-top: 26px;
  padding: 16px 0 16px 20px;
  border-left: 1px solid var(--brass);
  color: var(--slate);
  font-size: 14px;
  line-height: 1.6;
}

.contact-panel {
  position: relative;
  overflow: hidden;
}

.contact-panel__grid {
  display: block;
}

.contact-panel h2 {
  max-width: 15ch;
  margin-top: 22px;
}

.contact-panel p {
  max-width: 50ch;
  margin-top: 20px;
  color: var(--mist);
  font-size: 17px;
  line-height: 1.72;
}

.contact-panel .btn-row {
  margin-top: 32px;
}

.contact-panel .fineprint {
  color: var(--mist);
}

.external-note {
  display: block;
  margin-top: 12px;
  color: var(--mist);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.contact-panel__art {
  position: absolute;
  right: -40px;
  bottom: -90px;
  z-index: 0;
  width: min(560px, 46vw);
  opacity: 0.45;
  pointer-events: none;
}

.contact-panel__art svg {
  width: 100%;
  max-width: none;
  height: auto;
}

/* --------------------------------------------------------------------------
   19. 404
   -------------------------------------------------------------------------- */

.error-hero {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  padding-block: 88px 96px;
  color: var(--white);
}

.error-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 64px;
  align-items: center;
}

.error-code {
  color: var(--brass);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
}

.error-hero h1 {
  max-width: 12ch;
  margin-top: 20px;
  font-size: clamp(46px, 5.6vw, 74px);
  line-height: 1.04;
}

.error-hero p {
  max-width: 40ch;
  margin-top: 24px;
  color: var(--mist);
  font-size: 18px;
  line-height: 1.7;
}

.error-links {
  max-width: 560px;
  margin-top: 40px;
  border-top: 1px solid var(--rule);
}

.error-links li {
  border-bottom: 1px solid var(--rule);
}

.error-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 56px;
  padding: 14px 0;
  color: var(--white);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
}

.error-links a:hover {
  color: var(--brass);
}

/* --------------------------------------------------------------------------
   20. Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--navy);
  padding: 72px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 4fr) repeat(3, minmax(0, 2fr));
  gap: 48px;
}

.footer-brand img {
  width: auto;
  height: 44px;
}

.footer-statement {
  max-width: 34ch;
  margin-top: 26px;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.7;
}

.footer-title {
  margin-bottom: 14px;
  color: var(--mist);
  font-family: var(--font-ui);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.footer-links li {
  margin-bottom: 2px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-width: 44px;
  min-height: 44px;
  padding: 4px 0;
  color: var(--white);
  font-size: 14.5px;
  line-height: 1.4;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.footer-links a:hover {
  border-bottom-color: var(--mist);
}

.footer-legal {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
}

.footer-legal p {
  color: var(--mist);
  font-size: 12px;
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   21. Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1100px) {
  :root {
    --gutter: 28px;
  }

  .nav-list {
    gap: 22px;
  }

  .hero-grid {
    gap: 32px;
  }

  .contact-panel__art {
    display: none;
  }
}

@media (max-width: 1024px) {
  :root {
    --section: 64px;
  }

  .section-head h2 {
    grid-column: 1 / span 7;
  }

  .section-head .section-intro {
    grid-column: 8 / span 5;
  }

  .hero {
    padding-top: 64px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.7fr);
    padding-bottom: 48px;
  }

  .hero-art {
    opacity: 0.85;
  }

  .practice {
    padding-right: 40px;
  }

  .practice + .practice {
    padding-left: 40px;
  }

  .steps {
    gap: 24px;
    margin-top: 56px;
  }

  .about-teaser,
  .cta-band__grid,
  .related,
  .contact-panel__grid {
    gap: 44px;
  }

  .page-hero {
    padding-block: 64px 56px;
  }

  .page-hero__grid {
    gap: 44px;
  }
}

@media (max-width: 900px) {
  .site-header {
    position: relative;
  }

  .header-inner {
    flex-wrap: wrap;
    gap: 0;
    min-height: 72px;
    padding-block: 12px;
  }

  .brand img {
    height: 34px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .js .primary-nav {
    display: none;
  }

  .js .site-header.is-open .primary-nav {
    display: block;
  }

  .primary-nav {
    flex: 0 0 100%;
    width: 100%;
    margin-left: 0;
    padding: 6px 0 18px;
  }

  .site-header.is-open .primary-nav {
    margin-top: 14px;
    border-top: 1px solid var(--mist);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-list li {
    border-bottom: 1px solid var(--mist);
  }

  .nav-list li:last-child {
    border-bottom: 0;
  }

  .nav-link {
    display: flex;
    width: 100%;
    min-height: 52px;
    padding: 12px 0;
    font-size: 17px;
    border-bottom: 0;
  }

  .nav-link.is-active {
    color: var(--navy);
    font-weight: 600;
  }

  .nav-cta {
    margin: 12px 0 0;
    border-bottom: 0 !important;
  }

  .nav-cta .btn {
    width: 100%;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-art {
    display: none;
  }

  .hero-copy h1 {
    max-width: 12em;
  }

  .page-hero__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .page-hero__aside {
    max-width: 52ch;
  }

  .section-head {
    display: block;
    margin-bottom: 40px;
  }

  .section-head h2 {
    max-width: 20ch;
    margin-top: 18px;
  }

  .section-head .section-intro {
    max-width: 52ch;
    margin-top: 20px;
  }

  .method-intro {
    display: block;
  }

  .method-intro h2 {
    margin-top: 18px;
  }

  .method-intro__right {
    margin-top: 24px;
    padding-top: 0;
  }

  .problem-grid {
    grid-template-columns: minmax(0, 1fr);
    border-top: 0;
  }

  .problem,
  .problem + .problem {
    padding: 28px 0 0;
    border-left: 0;
    border-top: 1px solid var(--mist);
  }

  .problem + .problem {
    margin-top: 32px;
  }

  .problem + .problem::before {
    left: 0;
  }

  .problem h3 {
    max-width: 22ch;
  }

  .problem p {
    max-width: 52ch;
  }

  .practice-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .practice,
  .practice + .practice {
    padding: 0;
    border-left: 0;
  }

  .practice + .practice {
    margin-top: 48px;
    padding-top: 40px;
    border-top: 1px solid var(--mist);
  }

  .practice h3 {
    max-width: 20ch;
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
    margin-top: 44px;
  }

  .article-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }

  .article-card h3 {
    max-width: 26ch;
  }

  .article-card__deck {
    max-width: 52ch;
  }

  .about-teaser,
  .cta-band__grid,
  .split-text,
  .ambition__grid,
  .helps-layout,
  .scope-layout,
  .related,
  .contact-panel__grid,
  .error-hero__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }

  .facts {
    margin-top: 8px;
  }

  .scope-list {
    margin-top: 8px;
  }

  .issue-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .insight-row {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 20px;
  }

  .insight-row__meta {
    grid-column: 2;
    padding-top: 0;
    margin-top: -4px;
  }

  .questions-layout {
    display: block;
  }

  .questions-layout > div:first-child {
    margin-bottom: 40px;
  }

  .questions-layout h2 {
    max-width: 20ch;
  }

  .article-foot__related {
    text-align: left;
  }

  .process {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .process__step p {
    max-width: 52ch;
  }

  .contact-panel__art {
    display: none;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-legal {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    margin-top: 44px;
  }
}

@media (max-width: 640px) {
  :root {
    --gutter: 22px;
    --section: 56px;
  }

  body {
    font-size: 17px;
  }

  .hero {
    padding-top: 52px;
  }

  .hero-grid {
    padding-bottom: 40px;
  }

  .hero-foot {
    display: block;
    padding: 20px 0 24px;
  }

  .hero-foot .sep {
    display: none;
  }

  .hero-foot span {
    display: block;
  }

  .hero-foot span + span:not(.sep) {
    margin-top: 6px;
  }

  .btn-row {
    gap: 10px;
    margin-top: 30px;
  }

  .btn-row .btn {
    width: 100%;
  }

  .steps,
  .steps--two,
  .commitment-grid,
  .help-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .steps {
    margin-top: 36px;
  }

  .step h3 {
    margin-top: 12px;
  }

  .scope-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .insight-row {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 16px;
    padding: 28px 0;
  }

  .insight-row__number {
    font-size: 11px;
  }

  .insight-row h2 {
    font-size: 25px;
  }

  .insight-row__meta {
    grid-column: 2;
  }

  .article-body > p,
  .article-body > p:first-child {
    font-size: 17px;
    line-height: 1.72;
  }

  .article-hero {
    padding-block: 44px 48px;
  }

  .article-hero .kicker {
    margin-top: 28px;
  }

  .article-body {
    padding-block: 48px 56px;
  }

  .article-body h2 {
    margin-top: 40px;
  }

  .article-foot {
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .site-footer {
    padding-top: 56px;
  }

  .error-hero {
    padding-block: 56px 64px;
  }

  .facts div {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 16px;
  }
}

@media (max-width: 380px) {
  .display-xl {
    font-size: 40px;
  }

  .page-hero h1,
  .article-hero h1 {
    font-size: 38px;
  }

  .error-hero h1 {
    font-size: 42px;
  }
}

@media (max-width: 320px) {
  :root {
    --gutter: 18px;
  }
}

/* --------------------------------------------------------------------------
   22. Motion, print and forced colours
   -------------------------------------------------------------------------- */

@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;
  }
}

@media print {
  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
  }

  .site-header,
  .site-footer,
  .hero-art,
  .btn,
  .skip-link {
    display: none !important;
  }

  .hero,
  .page-hero,
  .article-hero,
  .section--navy,
  .section--deep {
    background: #fff !important;
    color: #000 !important;
    padding-block: 24pt;
  }

  .hero .lede,
  .page-hero__aside p,
  .article-hero .standfirst,
  .section--navy p {
    color: #000 !important;
  }

  a {
    text-decoration: underline;
  }
}

@media (forced-colors: active) {
  .btn,
  .tlink,
  .nav-link,
  .article-card,
  .problem,
  .step,
  .issue {
    border-color: CanvasText;
  }

  :focus-visible {
    outline: 3px solid Highlight;
  }
}

