:root {
  --ink: #2b2b2b;
  --ink-soft: #4e4e4e;
  --muted: #5e5c57;
  --paper: #f3f2ee;
  --paper-2: #e8e6e0;
  --white: #fbfbfa;
  --line: #d8d5cd;
  --green: #17a74a;
  --green-deep: #0d6a34;
  --dark: #242424;
  --sans: "Archivo", "Segoe UI", sans-serif;
  --display: "Archivo Black", "Arial Black", sans-serif;
  --serif: "Newsreader", Georgia, serif;
  --header: 4.6rem;
  --shell: min(1120px, calc(100% - 2.5rem));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
dd,
blockquote {
  margin: 0;
}

ul,
ol {
  padding: 0;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

::selection {
  background: var(--green);
  color: #fff;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--ink);
  color: #fff;
  padding: 0.6rem 0.9rem;
  z-index: 40;
}

.skip-link:focus {
  top: 0.75rem;
}

.visually-hidden,
.hp {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--green-deep);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow.light {
  color: var(--green);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--header);
  background: rgba(243, 242, 238, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.header-bar {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand img {
  width: 168px;
  height: auto;
}

.nav-panel {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.nav-panel a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-panel a:hover,
.nav-panel a[aria-current="page"] {
  color: var(--green-deep);
}

.nav-panel a.nav-cta {
  padding: 0.55rem 0.85rem;
  border-radius: 4px;
  background: var(--ink);
  color: #fff;
}

.nav-panel a.nav-cta:hover,
.nav-panel a.nav-cta:active {
  background: var(--green);
  color: #fff;
}

.nav-group {
  position: relative;
}

.nav-group::after {
  content: "";
  position: absolute;
  left: -0.5rem;
  right: -0.5rem;
  top: 100%;
  height: 0.9rem;
}

.nav-parent {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0;
  border: 0;
  background: none;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
}

.nav-parent::after {
  content: "";
  width: 0.38rem;
  height: 0.38rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 0.2s ease;
}

.nav-parent:hover,
.nav-parent.is-current,
.nav-group:hover .nav-parent,
.nav-group.is-open .nav-parent {
  color: var(--green-deep);
}

.nav-group:hover .nav-parent::after,
.nav-group.is-open .nav-parent::after {
  transform: translateY(1px) rotate(225deg);
}

.nav-sub {
  position: absolute;
  top: calc(100% + 0.8rem);
  left: -0.9rem;
  z-index: 25;
  display: none;
  flex-direction: column;
  min-width: 11rem;
  padding: 0.4rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 16px 40px rgba(36, 36, 36, 0.1);
}

.nav-group:hover .nav-sub,
.nav-group:focus-within .nav-sub,
.nav-group.is-open .nav-sub {
  display: flex;
}

.nav-panel .nav-sub a {
  padding: 0.55rem 0.7rem;
  border-radius: 4px;
}

.nav-panel .nav-sub a:hover {
  background: var(--paper);
}

.nav-parent:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
  padding: 0;
  cursor: pointer;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 1.1rem;
  height: 1.5px;
  background: var(--ink);
  position: relative;
}

.nav-toggle-bars {
  margin: 0 auto;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-bars::before {
  top: -6px;
}

.nav-toggle-bars::after {
  top: 6px;
}

/* Buttons and links */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
}

.button:hover,
.button:active {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

.button-ghost {
  background: transparent;
  color: var(--ink);
}

.button:disabled {
  opacity: 0.6;
  cursor: progress;
}

.text-link {
  font-weight: 600;
  color: var(--ink);
  text-underline-offset: 0.22em;
}

.text-link:hover {
  color: var(--green-deep);
}

/* Hero */

.hero {
  padding: 0 0 4rem;
}

.hero-banner {
  position: relative;
}

.hero-photo {
  width: 100%;
  height: auto;
}

.button.banner-cta {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #2b2b2b;
  border-color: #2b2b2b;
  color: #fff;
  box-shadow: 0 10px 28px rgba(20, 20, 20, 0.22);
}

.button.banner-cta:hover,
.button.banner-cta:focus-visible,
.button.banner-cta:active {
  background: #17a74a;
  border-color: #17a74a;
  color: #fff;
}

.hero-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 3rem;
  align-items: end;
  padding-top: 3rem;
}

.hero-intro h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.lede {
  color: var(--ink-soft);
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Impact numbers */

.impact {
  background: var(--dark);
  color: #f6f4ef;
  padding: 4rem 0;
}

.impact-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  margin-bottom: 2rem;
}

.impact-head .eyebrow {
  margin: 0;
}

.impact-head p:not(.eyebrow) {
  color: #c8c5bd;
}

.metrics {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.metrics li {
  padding: 1.6rem 1.5rem 0 0;
}

.metrics li + li {
  padding-left: 1.5rem;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.metrics strong {
  display: block;
  font-family: var(--display);
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--green);
}

.metrics span {
  display: block;
  margin-top: 0.6rem;
  max-width: 16rem;
  font-weight: 500;
}

.impact-link {
  display: inline-block;
  margin-top: 2.2rem;
  color: #fff;
  font-weight: 600;
  text-underline-offset: 0.22em;
}

.impact-link:hover {
  color: var(--green);
}

.metrics-light {
  margin-bottom: 1rem;
  border-top-color: var(--line);
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.6rem;
}

.metrics-light li + li {
  border-left-color: var(--line);
}

.metrics-light strong {
  color: var(--green-deep);
}

.metrics-light span {
  color: var(--ink-soft);
}

/* Sections */

.band {
  padding: 5.25rem 0;
}

.section-head {
  max-width: 42rem;
  margin-bottom: 2.4rem;
}

.section-head h2,
.contact-grid h2 {
  font-family: var(--display);
  font-size: clamp(1.9rem, 3.4vw, 2.8rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.section-head > p,
.contact-grid > div > p {
  margin-top: 0.9rem;
  color: var(--ink-soft);
}

.method-line {
  color: var(--ink) !important;
  font-weight: 600;
}

/* Challenges */

.challenges {
  border-top: 1px solid var(--line);
}

.challenges details {
  border-bottom: 1px solid var(--line);
}

.challenges summary {
  display: grid;
  grid-template-columns: 3.5rem 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1.35rem 0;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  cursor: pointer;
  list-style: none;
}

.challenges summary::-webkit-details-marker {
  display: none;
}

.challenges summary::after {
  content: "+";
  font-family: var(--display);
  font-size: 1.4rem;
  color: var(--green-deep);
}

.challenges details[open] summary::after {
  content: "−";
}

.challenges summary span {
  font-family: var(--display);
  font-size: 1rem;
  color: var(--green-deep);
}

.challenges summary:hover {
  color: var(--green-deep);
}

.challenges summary:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.challenge-body {
  display: grid;
  grid-template-columns: 1fr 1fr minmax(0, 0.8fr);
  gap: 2rem;
  padding: 0 0 1.8rem 4.5rem;
}

.challenge-body h3 {
  margin-bottom: 0.5rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.challenge-body ul {
  padding-left: 1.1rem;
  color: var(--ink-soft);
}

.challenge-body li + li {
  margin-top: 0.3rem;
}

.challenge-proof {
  align-self: start;
  display: block;
  padding: 1.1rem 1.2rem;
  border-left: 3px solid var(--green);
  background: var(--white);
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
}

.challenge-proof strong {
  display: block;
  font-family: var(--display);
  font-size: 1.9rem;
  font-weight: 400;
  line-height: 1.05;
  color: var(--green-deep);
}

.challenge-proof:hover {
  background: var(--ink);
  color: #fff;
}

.challenge-proof:hover strong {
  color: var(--green);
}

/* Principle */

.principle {
  background: var(--dark);
  color: #f6f4ef;
  padding: 5rem 0;
}

.principle-grid {
  display: grid;
  gap: 1.25rem;
  max-width: 920px;
}

.principle blockquote p {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.9rem, 4vw, 3.15rem);
  line-height: 1.18;
  letter-spacing: -0.025em;
}

.principle-copy {
  max-width: 42rem;
  color: #d7d4cc;
}

.principle-tag {
  margin-top: 0.4rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--green);
}

/* Capabilities */

.capabilities {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.capabilities article {
  background: var(--white);
  padding: 1.5rem 1.3rem 1.7rem;
  border-top: 3px solid transparent;
}

.capabilities article:hover {
  border-top-color: var(--green);
}

.cap-tag {
  margin-bottom: 1.4rem;
  font-family: var(--display);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--green-deep);
}

.capabilities h3 {
  font-size: 1.12rem;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.capabilities p:not(.cap-tag) {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.96rem;
}

.capabilities ul {
  list-style: none;
  margin-top: 1.1rem;
  border-top: 1px solid var(--paper-2);
}

.capabilities li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--paper-2);
  font-size: 0.94rem;
  font-weight: 500;
}

/* Case cards */

.cases-band {
  background: var(--white);
  border-block: 1px solid var(--line);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.case-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  background: var(--paper);
  border: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
}

.case-photo {
  position: relative;
  display: block;
  overflow: hidden;
  min-height: 22rem;
}

.case-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  transition: transform 0.5s ease;
}

.case-body {
  display: flex;
  flex-direction: column;
  padding: 1.4rem 1.3rem;
}

.case-tag {
  color: var(--green-deep);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.case-number {
  margin-top: 1.4rem;
  font-family: var(--display);
  font-size: clamp(2.6rem, 4.6vw, 3.8rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--green-deep);
}

.case-number-label {
  margin-top: 0.4rem;
  font-weight: 600;
}

.case-title {
  margin-top: auto;
  padding-top: 1.4rem;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.4;
}

.case-more {
  margin-top: 1rem;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.case-card:hover {
  border-color: var(--green);
}

.case-card:hover .case-photo img {
  transform: scale(1.04);
}

.case-card:hover .case-more {
  color: var(--green-deep);
}

.case-card:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

/* Campaign */

.campaign {
  padding: 5.25rem 0 4.5rem;
}

.campaign-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: start;
}

.campaign-grid figure {
  margin: 0;
}

.campaign-grid img {
  width: 100%;
  height: auto;
}

/* Approach */

.phases {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.phases li {
  background: var(--white);
  padding: 1.25rem 1.2rem 1.35rem;
}

.phases span {
  color: var(--green-deep);
  font-weight: 600;
  letter-spacing: 0.06em;
}

.phases h3 {
  margin: 0.45rem 0 0.35rem;
  font-size: 1.2rem;
}

.phases p {
  color: var(--muted);
  font-size: 0.98rem;
}

.phases strong {
  display: block;
  margin-top: 0.85rem;
  font-size: 0.98rem;
  font-weight: 600;
}

/* Contact */

.contact-band {
  padding-top: 0;
  padding-bottom: 5.5rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 3rem;
  align-items: start;
}

.direct-mail a {
  color: var(--green-deep);
  font-weight: 600;
}

.consult-form {
  display: grid;
  gap: 0.9rem;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.3rem;
}

.consult-form .button {
  width: 100%;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

.consult-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.86rem;
  font-weight: 600;
}

.consult-form input,
.consult-form select,
.consult-form textarea {
  width: 100%;
  padding: 0.75rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
}

.consult-form textarea {
  resize: vertical;
  min-height: 8rem;
}

.consult-form input:focus,
.consult-form select:focus,
.consult-form textarea:focus,
.button:focus-visible,
.nav-panel a:focus-visible,
.nav-toggle:focus-visible,
.brand:focus-visible,
.text-link:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.form-status {
  min-height: 1.4em;
  font-size: 0.95rem;
}

.form-status[data-state="error"] {
  color: #8d2a2a;
}

.form-status[data-state="success"] {
  color: var(--green-deep);
}

/* Footer */

.site-footer {
  background: var(--dark);
  color: #f3f2ee;
  padding: 2.2rem 0;
}

.footer-bar {
  display: grid;
  gap: 0.8rem;
}

.footer-bar img {
  width: 150px;
  height: auto;
}

.footer-meta {
  color: #c8c5bd;
  font-size: 0.92rem;
}

.footer-meta a {
  color: #fff;
}

/* Case pages */

.case {
  padding: 4.5rem 0 1rem;
}

.case-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 2.5rem;
  align-items: start;
  margin-bottom: 2.4rem;
}

.case-intro img {
  width: 100%;
  height: auto;
}

.case h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 3.1rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.case-kicker {
  margin-top: 1rem;
  color: var(--ink-soft);
  font-size: 1.12rem;
}

.case-facts {
  margin-top: 1.8rem;
  border-top: 1px solid var(--line);
}

.case-facts div {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}

.case-facts dt {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-top: 0.2rem;
}

.case-facts dd {
  font-weight: 500;
}

.case-step {
  margin-bottom: 0.5rem;
  color: var(--green-deep);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.case-block {
  padding: 2.4rem 0;
  border-top: 1px solid var(--line);
}

.metrics-light + .case-block {
  border-top: 0;
}

.case-block h2 {
  font-size: 1.45rem;
  letter-spacing: -0.02em;
  max-width: 28rem;
}

.case-block h3 {
  margin-top: 1.4rem;
  font-size: 1.05rem;
}

.case-block p,
.case-block li {
  color: var(--ink-soft);
}

.case-block strong {
  color: var(--ink);
}

.case-block p {
  margin-top: 0.85rem;
  max-width: 42rem;
}

.case-block ul,
.case-block ol {
  margin-top: 0.85rem;
  padding-left: 1.15rem;
  max-width: 42rem;
}

.case-block li + li {
  margin-top: 0.35rem;
}

.case-note {
  color: var(--ink) !important;
  font-weight: 600;
}

.case-next {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  margin-top: 1.6rem;
}

.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin-top: 1.4rem;
  max-width: 46rem;
  background: var(--line);
  border: 1px solid var(--line);
}

.compare p {
  margin: 0;
  max-width: none;
  padding: 0.9rem 1rem;
  background: var(--white);
}

.compare p:nth-child(-n + 2) {
  background: #2b2b2b;
  color: #fff;
  font-weight: 600;
}

.compare p:nth-child(2) {
  box-shadow: inset 0 -3px 0 #17a74a;
}

.case-close {
  padding-bottom: 4rem;
}

/* Insights listings */

.listing {
  padding-top: 4rem;
}

.listing-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem 2rem;
  margin-bottom: 2.4rem;
}

.listing-head .section-head {
  margin-bottom: 0;
}

.listing h1 {
  font-family: var(--display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.035em;
}

.insight-tabs {
  display: flex;
  border: 1px solid var(--ink);
  border-radius: 4px;
  overflow: hidden;
}

.insight-tabs a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}

.insight-tabs a + a {
  border-left: 1px solid var(--ink);
}

.insight-tabs span {
  font-size: 0.78rem;
  color: var(--green-deep);
}

.insight-tabs a[aria-current="page"] {
  background: var(--ink);
  color: #fff;
}

.insight-tabs a[aria-current="page"] span {
  color: var(--green);
}

.insight-tabs a:not([aria-current]):hover {
  background: var(--green);
  color: #fff;
}

.insight-tabs a:not([aria-current]):hover span {
  color: #fff;
}

.listing .case-card {
  background: var(--white);
}

/* Article */

.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 30;
  width: 100%;
  height: 3px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: 0 50%;
}

.crumbs {
  margin-bottom: 1.6rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.crumbs a {
  color: var(--green-deep);
  font-weight: 600;
  text-underline-offset: 0.2em;
}

.article-rule {
  display: inline-block;
  margin-top: 1.6rem;
  padding: 0.5rem 0.9rem;
  background: var(--ink);
  color: #fff;
  font-weight: 600;
  box-shadow: inset 4px 0 0 var(--green);
}

.stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 1.5rem;
  background: var(--dark);
  color: #f6f4ef;
}

.stats li {
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1.3rem;
}

.stats li + li {
  border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.stats strong {
  font-family: var(--display);
  font-size: clamp(1.7rem, 3.2vw, 2.7rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.035em;
  color: var(--green);
  white-space: nowrap;
}

.stats span {
  margin-top: 0.6rem;
  font-weight: 500;
  line-height: 1.4;
}

.stats em {
  margin-top: auto;
  padding-top: 0.8rem;
  color: #a9a69e;
  font-size: 0.8rem;
  font-style: normal;
  letter-spacing: 0.04em;
}

.article-layout {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr);
  gap: 3.5rem;
  align-items: start;
}

.toc {
  position: sticky;
  top: calc(var(--header) + 1.5rem);
  padding-top: 2.6rem;
}

.toc-title {
  margin-bottom: 0.8rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.toc ol {
  list-style: none;
  border-left: 1px solid var(--line);
  counter-reset: toc;
}

.toc li {
  counter-increment: toc;
}

.toc ol a {
  display: block;
  margin-left: -1px;
  padding: 0.45rem 0 0.45rem 0.9rem;
  border-left: 2px solid transparent;
  color: var(--ink-soft);
  font-size: 0.93rem;
  line-height: 1.35;
  text-decoration: none;
}

.toc ol a::before {
  content: "0" counter(toc) "  ";
  color: var(--green-deep);
  font-weight: 600;
}

.toc ol a:hover {
  color: var(--ink);
}

.toc ol a.is-active {
  border-left-color: var(--green);
  color: var(--ink);
  font-weight: 600;
}

.toc-cta {
  margin-top: 1.4rem;
  width: 100%;
}

.article-body {
  max-width: 46rem;
}

.article-section {
  padding: 2.6rem 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header) + 1rem);
}

.article-body .section-num {
  margin-top: 0;
  font-family: var(--display);
  font-size: 3rem;
  line-height: 1;
  color: var(--green);
}

.article-body h2 {
  margin-top: 0.6rem;
  font-family: var(--display);
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.article-body h3 {
  font-size: 1.08rem;
  letter-spacing: -0.01em;
}

.article-body p {
  margin-top: 1rem;
  color: var(--ink-soft);
}

.article-body strong {
  color: var(--ink);
}

.article-body a:not(.button) {
  color: var(--green-deep);
  font-weight: 600;
  text-underline-offset: 0.2em;
}

.article-body a:not(.button):hover {
  color: var(--ink);
}

.article-lead {
  font-size: 1.3rem;
  line-height: 1.45;
  color: var(--ink) !important;
  font-weight: 500;
}

.article-body mark {
  background: linear-gradient(transparent 58%, rgba(23, 167, 74, 0.28) 58%);
  color: var(--ink);
  font-weight: 600;
}

.num {
  font-family: var(--display);
  font-weight: 400;
  color: var(--green-deep) !important;
  letter-spacing: -0.02em;
}

.cause-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin-top: 1.6rem;
  background: var(--line);
  border: 1px solid var(--line);
}

.cause-grid > div {
  padding: 1.3rem 1.2rem 1.4rem;
  background: var(--white);
}

.cause-grid > div:hover {
  box-shadow: inset 0 3px 0 var(--green);
}

.cause-grid span {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: 0.8rem;
  border-radius: 4px;
  background: var(--ink);
  color: var(--green);
  font-family: var(--display);
  font-size: 0.95rem;
}

.cause-grid p {
  margin-top: 0.5rem;
  font-size: 0.96rem;
}

.rule-band {
  margin-top: 1.4rem;
  padding: 1.5rem 1.4rem;
  background: var(--dark);
}

.rule-band p {
  margin: 0;
  color: #f6f4ef;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  line-height: 1.3;
}

.rule-band p + p {
  margin-top: 0.6rem;
}

.rule-band .good {
  color: var(--green);
}

.rule-band .bad {
  color: #ff6b5e;
}

.evidence {
  list-style: none;
  margin-top: 1.6rem;
  border-top: 1px solid var(--line);
}

.evidence li {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1.2rem;
  align-items: start;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line);
}

.evidence .num {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1;
  white-space: nowrap;
}

.evidence p {
  margin-top: 0.35rem;
  font-size: 0.98rem;
}

.pull {
  margin-top: 2rem;
  padding-left: 1.2rem;
  border-left: 4px solid var(--green);
}

.pull p {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  line-height: 1.12;
}

.outcomes {
  list-style: none;
  margin-top: 1.6rem;
  counter-reset: outcome;
}

.outcomes li {
  position: relative;
  padding: 1.2rem 0 1.2rem 4rem;
  border-top: 1px solid var(--line);
  counter-increment: outcome;
}

.outcomes li::before {
  content: counter(outcome);
  position: absolute;
  left: 0;
  top: 1.05rem;
  font-family: var(--display);
  font-size: 2.4rem;
  line-height: 1;
  color: var(--green);
}

.outcomes p {
  margin-top: 0.4rem;
}

.see-also {
  margin-top: 1.6rem;
  padding: 1.1rem 1.2rem;
  border-left: 3px solid var(--green);
  background: var(--white);
}

.see-also .eyebrow {
  margin: 0;
}

.see-also p:not(.eyebrow) {
  margin-top: 0.4rem;
}

.see-also a {
  display: inline-block;
  margin-left: 0.25rem;
}

.see-also a::after {
  content: " →";
}

.phases-4 {
  grid-template-columns: 1fr 1fr;
  margin-top: 1.6rem;
}

.phases-4 p {
  margin-top: 0;
}

.article-end {
  padding-bottom: 4rem;
}

#challenges,
#solutions,
#cases,
#approach,
#contact,
#top {
  scroll-margin-top: calc(var(--header) + 0.75rem);
}

/* Responsive */

@media (max-width: 1040px) {
  .capabilities {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-panel {
    display: none;
    position: absolute;
    left: 0.75rem;
    right: 0.75rem;
    top: calc(var(--header) + 0.35rem);
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
    padding: 0.7rem;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 6px;
    box-shadow: 0 16px 40px rgba(36, 36, 36, 0.08);
  }

  .nav-panel.is-open {
    display: flex;
  }

  .nav-panel a {
    padding: 0.75rem 0.7rem;
  }

  .nav-panel a.nav-cta {
    text-align: center;
    margin-top: 0.3rem;
  }

  .nav-group::after,
  .nav-parent::after {
    display: none;
  }

  .nav-parent {
    width: 100%;
    padding: 0.75rem 0.7rem;
  }

  .nav-sub {
    position: static;
    display: flex;
    min-width: 0;
    padding: 0 0 0 0.9rem;
    border: 0;
    background: none;
    box-shadow: none;
  }

  .article-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .toc {
    position: static;
    padding-top: 0;
    margin-bottom: 1rem;
  }

  .toc-cta {
    display: none;
  }

  .stats {
    grid-template-columns: 1fr 1fr;
  }

  .stats li:nth-child(3) {
    border-left: 0;
  }

  .stats li:nth-child(n + 3) {
    border-top: 1px solid rgba(255, 255, 255, 0.14);
  }

  .hero-intro,
  .contact-grid,
  .field-row {
    grid-template-columns: 1fr;
  }

  .hero-intro {
    gap: 1.2rem;
  }

  .challenge-body {
    grid-template-columns: 1fr 1fr;
    padding-left: 0;
  }

  .challenge-proof {
    grid-column: 1 / -1;
  }

  .phases {
    grid-template-columns: 1fr 1fr;
  }

  .band,
  .principle,
  .campaign {
    padding: 3.5rem 0;
  }

  .contact-band {
    padding-top: 0;
  }
}

@media (max-width: 800px) {
  .campaign-grid,
  .case-intro {
    grid-template-columns: 1fr;
  }

  .metrics {
    grid-template-columns: 1fr;
  }

  .metrics li,
  .metrics li + li {
    padding: 1.2rem 0;
    border-left: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }

  .metrics-light li,
  .metrics-light li + li {
    border-bottom-color: var(--line);
  }

  .metrics-light li:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 560px) {
  :root {
    --shell: min(1120px, calc(100% - 1.75rem));
  }

  .button.banner-cta {
    width: max-content;
    max-width: calc(100% - 1rem);
    padding: 0.4rem 0.65rem;
    font-size: 0.78rem;
    line-height: 1.15;
    min-height: 0;
    white-space: nowrap;
  }

  .challenges summary {
    grid-template-columns: 2.25rem 1fr auto;
    gap: 0.6rem;
  }

  .challenge-body,
  .capabilities,
  .phases {
    grid-template-columns: 1fr;
  }

  .case-card {
    grid-template-columns: 1fr;
  }

  .cause-grid,
  .phases-4,
  .evidence li {
    grid-template-columns: 1fr;
  }

  .evidence li {
    gap: 0.4rem;
  }

  .outcomes li {
    padding-left: 3rem;
  }

  .case-photo {
    min-height: 15rem;
  }
}

/* Page loader */

.page-loader {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  background: var(--paper);
  transition: opacity 0.45s ease;
}

.page-loader svg {
  width: min(440px, 78vw);
  height: auto;
  overflow: visible;
}

.page-loader path {
  fill: var(--green);
  transform-box: fill-box;
  transform-origin: center;
}

.page-loader.is-done {
  opacity: 0;
  pointer-events: none;
}

body.is-loading {
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .page-loader {
    display: none;
  }

  .case-photo img {
    transition: none;
  }
}