:root {
  color-scheme: light;
  --ink: #14231e;
  --muted: #52615b;
  --green: #256b59;
  --green-dark: #174d40;
  --green-soft: #e9f3ee;
  --amber: #875a06;
  --amber-soft: #fbf5e7;
  --line: #d8e1dc;
  --paper: #ffffff;
  --wash: #f5f8f6;
  --focus: #bd5300;
  --content: 1320px;
}

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

html {
  max-width: 100%;
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  max-width: 100%;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.58;
}

a {
  color: var(--green-dark);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 30;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  color: #ffffff;
  background: var(--ink);
  transform: translateY(-150%);
}

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

.shell {
  width: min(calc(100% - 64px), var(--content));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 20;
  min-height: 76px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.98);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 21px;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
}

.brand-name {
  display: block;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 16px;
}

.desktop-nav a,
.footer-links a {
  color: #33423c;
  text-decoration: none;
}

.desktop-nav a:hover,
.footer-links a:hover {
  color: var(--green-dark);
  text-decoration: underline;
}

.mobile-menu {
  display: none;
}

.analytics-consent {
  position: fixed;
  z-index: 50;
  right: 0;
  bottom: 0;
  left: 0;
  border-top: 4px solid var(--amber);
  color: #ffffff;
  background: var(--green-dark);
  box-shadow: 0 -12px 36px rgba(20, 35, 30, 0.2);
}

.analytics-consent[hidden] {
  display: none;
}

.consent-inner {
  min-height: 0;
  padding-block: 16px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
}

.consent-inner > div:first-child {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 16px;
}

.analytics-consent h2 {
  grid-column: 1 / -1;
  margin-bottom: 2px;
  color: #ffffff;
  font-size: 20px;
}

.analytics-consent p {
  max-width: 780px;
  margin: 0;
  color: #dce7e2;
  font-size: 16px;
  line-height: 1.45;
}

.consent-inner > div:first-child > p:first-of-type {
  grid-column: 1 / -1;
}

.analytics-consent .consent-policy {
  grid-column: 2;
  margin-top: 7px;
  white-space: nowrap;
}

.analytics-consent .consent-preview-note {
  grid-column: 1;
  margin-top: 7px;
  padding: 8px 10px;
  color: var(--ink);
  font-size: 15px;
}

.analytics-consent a {
  color: #ffffff;
}

.consent-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.consent-actions[hidden] {
  display: none;
}

.consent-actions button {
  min-height: 48px;
  padding: 10px 18px;
  border-radius: 5px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0;
  cursor: pointer;
}

.consent-decline {
  border: 1px solid #ffffff;
  color: #ffffff;
  background: transparent;
}

.consent-allow {
  border: 1px solid #ffffff;
}

.privacy-choices {
  padding: 0;
  border: 0;
  color: #33423c;
  background: transparent;
  font: inherit;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  cursor: pointer;
}

.privacy-choices:hover {
  color: var(--green-dark);
}

.privacy-dialog[hidden] {
  display: none;
}

.privacy-dialog {
  position: fixed;
  z-index: 70;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
}

.privacy-dialog-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 18, 0.68);
}

.privacy-dialog-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 620px);
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  padding: 34px;
  border-top: 5px solid var(--amber);
  border-radius: 6px;
  background: #ffffff;
  box-shadow: 0 24px 60px rgba(10, 22, 18, 0.28);
}

.privacy-dialog-panel h2 {
  margin: 0 44px 12px 0;
  font-size: 30px;
}

.privacy-dialog-panel p {
  margin-top: 0;
}

.privacy-dialog-close {
  position: absolute;
  top: 18px;
  right: 18px;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  background: #ffffff;
  cursor: pointer;
  font-size: 30px;
  line-height: 1;
}

.consent-status {
  margin: 22px 0;
  padding: 14px 16px;
  border-left: 4px solid var(--green);
  background: var(--wash);
}

.consent-preview-note {
  padding: 14px 16px;
  border-left: 4px solid var(--amber);
  background: var(--amber-soft);
}

.privacy-dialog-link {
  margin: 22px 0 0;
}

.privacy-dialog-panel .consent-decline {
  border-color: var(--green-dark);
  color: var(--green-dark);
}

.privacy-dialog-panel .consent-allow {
  border-color: var(--green-dark);
  color: #ffffff;
  background: var(--green-dark);
}

.privacy-dialog-open {
  overflow: hidden;
}

.page-privacy-button {
  min-height: 48px;
  padding: 10px 16px;
  border: 2px solid var(--green-dark);
  border-radius: 5px;
  color: var(--green-dark);
  font-weight: 700;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.16;
  letter-spacing: 0;
}

h1 {
  max-width: 690px;
  margin-bottom: 20px;
  font-size: 48px;
  overflow-wrap: anywhere;
}

h2 {
  margin-top: 2rem;
  font-size: 30px;
}

h3 {
  margin-top: 1.5rem;
  font-size: 20px;
}

p,
li,
dd {
  max-width: 72ch;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--amber);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.3;
  text-transform: uppercase;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 18px;
  border: 2px solid var(--green);
  border-radius: 6px;
  color: #ffffff;
  background: var(--green);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.25;
  text-decoration: none;
}

.button:hover {
  border-color: var(--green-dark);
  background: var(--green-dark);
}

.hero {
  position: relative;
  min-height: 540px;
  isolation: isolate;
  overflow: hidden;
  background-color: #dfe5e0;
  background-image: url("/assets/images/vertigo-research-home-hero.webp");
  background-position: center center;
  background-size: cover;
}

.hero::before {
  position: absolute;
  z-index: -1;
  inset: 0 auto 0 0;
  width: 59%;
  content: "";
  background: rgba(255, 255, 255, 0.98);
}

.hero-inner {
  min-height: 540px;
  display: flex;
  align-items: center;
}

.hero-copy {
  width: min(55%, 720px);
  padding: 36px 46px 36px 0;
}

.hero-lede {
  max-width: 680px;
  margin: 0 0 22px;
  color: #263630;
  font-size: 16px;
  line-height: 1.58;
}

.hero-lede-mobile,
.trust-short {
  display: none;
}

.safety-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  color: #674300;
  font-weight: 700;
}

.safety-mark {
  display: inline-grid;
  width: 28px;
  height: 28px;
  place-items: center;
  flex: 0 0 auto;
  border: 2px solid var(--amber);
  border-radius: 50%;
  font-size: 17px;
  line-height: 1;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px 24px;
  flex-wrap: wrap;
}

.text-action {
  max-width: 330px;
  font-size: 16px;
  font-weight: 700;
}

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

.trust-list {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px 40px;
  margin-block: 0;
  padding-block: 12px;
  list-style: none;
  color: #33423c;
  font-size: 16px;
  font-weight: 700;
}

.trust-list li::before {
  margin-right: 9px;
  color: var(--green);
  content: "\2713";
  font-size: 19px;
  font-weight: 900;
}

.journeys {
  padding: 64px 0 70px;
}

.section-heading {
  max-width: 800px;
  margin-bottom: 30px;
}

.section-heading h2 {
  margin-bottom: 12px;
  font-size: 30px;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.journey-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.journey-card {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  min-height: 270px;
  padding: 24px 22px 22px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--green);
  border-radius: 6px;
  background: var(--paper);
}

.journey-card:first-child {
  border-top-color: var(--amber);
}

.journey-number {
  margin: 0 0 20px;
  color: var(--amber);
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
}

.journey-card h3 {
  margin-bottom: 12px;
}

.journey-card p:not(.journey-number) {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 16px;
}

.journey-card .journey-link {
  display: inline-block;
  width: fit-content;
  max-width: 100%;
  min-width: 0;
  min-height: 44px;
  justify-self: start;
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
}

.journey-link-label {
  min-width: 0;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.journey-link-icon {
  line-height: inherit;
  white-space: nowrap;
}

.buyer-band {
  padding: 52px 0;
  border-block: 1px solid #eadfbe;
  background: var(--amber-soft);
}

.buyer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.6fr);
  align-items: center;
  gap: 48px;
}

.buyer-grid h2 {
  margin: 0 0 12px;
}

.buyer-grid p:not(.eyebrow) {
  max-width: 750px;
  margin: 0;
  color: #4d4534;
}

.buyer-actions {
  justify-self: end;
}

.evidence-section {
  padding: 70px 0 76px;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 42px;
  padding-top: 28px;
  border-top: 2px solid var(--green);
}

.evidence-item h3 {
  margin-bottom: 10px;
}

.evidence-item p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.site-footer {
  padding: 44px 0 26px;
  color: #e8f0ec;
  background: var(--green-dark);
  font-size: 16px;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.7fr);
  align-items: start;
  gap: 44px;
  padding-bottom: 32px;
}

.footer-links {
  display: grid;
  grid-template-columns: 1.35fr 1fr 0.7fr;
  gap: 34px;
}

.footer-name {
  color: #ffffff;
  font-size: 26px;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
}

.footer-brand p {
  max-width: 340px;
  margin: 14px 0 0;
  color: #d5e2dc;
}

.footer-group {
  display: grid;
  align-content: start;
  gap: 10px;
}

.footer-group .footer-heading {
  margin: 0 0 4px;
  color: #f1d79b;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.site-footer .footer-links a,
.site-footer .footer-name,
.site-footer .privacy-choices {
  color: #ffffff;
}

.site-footer .footer-links a {
  min-height: 32px;
  width: fit-content;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.site-footer .footer-links a:hover,
.site-footer .footer-name:hover,
.site-footer .privacy-choices:hover {
  color: #ffffff;
  text-decoration-thickness: 2px;
}

.footer-bottom {
  display: grid;
  grid-template-columns: 1.25fr 1fr auto;
  align-items: start;
  gap: 34px;
  padding-top: 24px;
  border-top: 1px solid #6d9185;
}

.footer-bottom p {
  margin: 0;
  color: #d5e2dc;
}

.footer-bottom p:nth-child(2) {
  text-align: center;
}

.footer-bottom p:last-child {
  text-align: right;
}

.page,
.article {
  padding: 64px 32px 80px;
}

.article {
  font-size: 17px;
  line-height: 1.6;
}

.measure {
  width: 100%;
  max-width: 820px;
  min-width: 0;
  margin-inline: auto;
}

.page .measure > h2 {
  margin-top: 2.4rem;
}

.page .measure > ul,
.page .measure > ol {
  padding-left: 1.4em;
}

.dek {
  color: var(--muted);
  font-size: 18px;
}

.review-notice {
  margin: 24px 0;
  padding: 14px 16px;
  border-left: 4px solid var(--amber);
  background: var(--amber-soft);
}

.meta {
  display: grid;
  gap: 8px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.meta div {
  display: flex;
  gap: 12px;
}

.meta dt {
  min-width: 128px;
  color: var(--muted);
  font-weight: 700;
}

.meta dd {
  margin: 0;
}

.article-list {
  display: grid;
  gap: 16px;
  margin: 32px 0;
}

.guide-card {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.58;
  text-decoration: none;
}

.guide-card strong {
  font-size: 20px;
  line-height: 1.25;
}

.guide-card strong,
.guide-card span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.guide-card span:last-child,
.guide-card small {
  color: var(--muted);
}

.checklist,
.evidence-list,
.decision-grid {
  display: grid;
  gap: 14px;
  margin: 20px 0;
}

.checklist div {
  padding: 0 0 14px;
  border-bottom: 1px solid var(--line);
}

.checklist dt,
.evidence-list dt,
.decision-grid dt {
  font-weight: 700;
}

.checklist dd,
.evidence-list dd,
.decision-grid dd {
  margin: 4px 0 0;
  color: var(--muted);
}

.evidence-list div,
.decision-grid div {
  padding: 16px;
  border-left: 4px solid var(--green);
  background: var(--wash);
}

.referral-experiment {
  margin-top: 32px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--green-soft);
}

.disclosure {
  color: var(--muted);
  font-size: 15px;
}

@media (max-width: 1100px) {
  .shell {
    width: min(calc(100% - 48px), var(--content));
  }

  .desktop-nav {
    gap: 18px;
    font-size: 16px;
  }

  .hero::before {
    width: 64%;
  }

  .hero-copy {
    width: 61%;
  }

  h1 {
    font-size: 46px;
  }

  .journeys {
    padding-top: 36px;
  }

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

  .journey-card {
    min-height: 240px;
  }
}

@media (max-width: 820px) {
  .desktop-nav {
    display: none;
  }

  .mobile-menu {
    position: relative;
    display: block;
  }

  .mobile-menu summary {
    display: grid;
    width: 48px;
    height: 48px;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 6px;
    cursor: pointer;
    font-size: 26px;
    font-weight: 800;
    line-height: 1;
    list-style: none;
  }

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

  .mobile-menu nav {
    position: absolute;
    top: 56px;
    right: 0;
    width: min(320px, calc(100vw - 32px));
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #ffffff;
    box-shadow: 0 12px 26px rgba(20, 35, 30, 0.16);
  }

  .mobile-menu a {
    display: block;
    min-height: 48px;
    padding: 9px 10px;
    color: var(--ink);
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
  }

  .hero,
  .hero-inner {
    min-height: 610px;
  }

  .hero {
    background-position: 35% center;
  }

  .hero::before {
    width: 72%;
  }

  .hero-copy {
    width: 69%;
    padding-right: 28px;
  }

  .hero-lede {
    font-size: 16px;
  }

  .trust-list {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .buyer-grid,
  .standards-grid {
    grid-template-columns: 1fr;
  }

  .buyer-actions {
    justify-self: start;
  }

  .evidence-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-bottom {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .footer-bottom p:nth-child(2),
  .footer-bottom p:last-child {
    text-align: left;
  }
}

@media (max-width: 620px) {
  .shell {
    width: calc(100% - 36px);
  }

  .site-header,
  .header-inner {
    min-height: 66px;
  }

  .brand {
    max-width: 230px;
    font-size: 19px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    flex-basis: 34px;
  }

  .consent-inner {
    min-height: 0;
    padding-block: 20px;
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .consent-inner > div:first-child {
    grid-template-columns: 1fr;
  }

  .analytics-consent .consent-preview-note,
  .analytics-consent .consent-policy {
    grid-column: 1;
  }

  .analytics-consent .consent-preview-note {
    padding: 10px 12px;
  }

  .analytics-consent .consent-policy {
    white-space: normal;
  }

  .analytics-consent h2 {
    font-size: 20px;
  }

  .consent-actions {
    align-items: stretch;
  }

  .consent-actions button {
    flex: 1 1 0;
  }

  .privacy-dialog {
    align-items: end;
    padding: 12px;
  }

  .privacy-dialog-panel {
    max-height: calc(100vh - 24px);
    padding: 28px 20px 24px;
  }

  .privacy-dialog-panel h2 {
    font-size: 26px;
  }

  .privacy-dialog-panel .consent-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .privacy-dialog-panel .consent-actions[hidden] {
    display: none;
  }

  .hero,
  .hero-inner {
    min-height: 560px;
  }

  .hero {
    background-position: 70% bottom;
    background-size: auto 46%;
    background-repeat: no-repeat;
  }

  .hero::before {
    inset: 0 0 auto;
    width: 100%;
    height: 69%;
    background: rgba(255, 255, 255, 0.96);
  }

  .hero-inner {
    align-items: flex-start;
  }

  .hero-copy {
    width: 100%;
    padding: 26px 0 142px;
  }

  .eyebrow {
    margin-bottom: 9px;
    font-size: 14px;
  }

  h1 {
    margin-bottom: 14px;
    font-size: 38px;
  }

  .hero-lede {
    margin-bottom: 12px;
    font-size: 16px;
    line-height: 1.58;
  }

  .hero-lede-desktop,
  .trust-full {
    display: none;
  }

  .hero-lede-mobile,
  .trust-short {
    display: inline;
  }

  .safety-link {
    margin-bottom: 14px;
    font-size: 16px;
  }

  .hero-actions {
    align-items: flex-start;
    gap: 0;
  }

  .hero-actions .button {
    width: 100%;
  }

  .text-action {
    display: none;
  }

  .trust-list {
    min-height: 72px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
    padding-block: 8px;
    font-size: 13px;
    line-height: 1.25;
    text-align: center;
  }

  .trust-list li::before {
    display: block;
    margin: 0 auto 2px;
  }

  .journeys {
    padding: 44px 0 50px;
  }

  .section-heading h2 {
    font-size: 29px;
  }

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

  .journey-card {
    min-height: 0;
  }

  .buyer-band,
  .standards-band {
    padding: 42px 0;
  }

  .buyer-grid {
    gap: 26px;
  }

  .buyer-grid h2,
  .evidence-section h2 {
    font-size: 28px;
  }

  .evidence-section {
    padding: 52px 0;
  }

  .site-footer {
    padding-top: 38px;
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-top {
    padding-bottom: 34px;
  }

  .page,
  .article {
    padding: 44px 18px 60px;
  }

  .meta div {
    flex-direction: column;
    gap: 2px;
  }
}

@media (max-width: 359px) {
  .shell {
    width: calc(100% - 28px);
  }

  h1 {
    font-size: 34px;
  }

  .hero-copy {
    padding-top: 22px;
  }

  .safety-link {
    font-size: 15px;
  }
}

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