@font-face {
  font-family: "Quicksand";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("quicksand.woff2") format("woff2");
}

:root {
  --paper: #f7f6f1;
  --card: #ffffff;
  --ink: #14161a;
  --dim: #555b63;
  --faint: #757b82;
  --line: #d8d8d2;
  --line-soft: #e9e8e2;
  --coral: #ff5a4f;
  --coral-text: #c8372d;
  --blue: #7892ff;
  --blue-text: #5366d6;
  --mint: #00a979;
  --shell: min(1160px, calc(100% - 48px));
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Quicksand", Arial, sans-serif;
  font-size: 16px;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(20, 22, 26, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 22, 26, .035) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(to bottom, #000, transparent 58%);
}

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

a,
button,
input,
select,
textarea,
summary {
  outline: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--blue-text);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: -80px;
  left: 16px;
  z-index: 100;
  padding: 12px 16px;
  background: var(--ink);
  color: #fff;
  font-weight: 700;
}

.skip-link:focus-visible {
  top: 16px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247, 246, 241, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

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

.wordmark {
  display: inline-flex;
  align-items: baseline;
  color: var(--ink);
  font-size: 28px;
  font-weight: 700;
  line-height: .9;
  text-decoration: none;
  white-space: nowrap;
}

.wordmark .ia {
  color: var(--blue);
}

.brand-mark {
  width: 31px;
  height: 31px;
  margin-right: 7px;
  align-self: center;
  overflow: visible;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a,
.footer-nav a,
.footer-nav button {
  padding: 0;
  border: 0;
  background: none;
  color: var(--dim);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.site-nav a:hover,
.footer-nav a:hover,
.footer-nav button:hover {
  color: var(--ink);
}

.site-nav .nav-cta {
  min-height: 42px;
  padding: 0 15px;
  display: inline-flex;
  align-items: center;
  background: var(--ink);
  color: #fff;
}

.page-intro {
  min-height: 620px;
  padding: 108px 0 72px;
  display: grid;
  align-items: end;
  border-bottom: 1px solid var(--line);
}

.page-intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, .55fr);
  gap: 72px;
  align-items: end;
}

.eyebrow {
  margin: 0 0 24px;
  color: var(--coral-text);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.page-intro h1 {
  max-width: 950px;
  margin: 0;
  font-size: clamp(52px, 7.3vw, 100px);
  line-height: .98;
  font-weight: 700;
  letter-spacing: 0;
}

.page-intro__aside {
  padding-top: 22px;
  border-top: 3px solid var(--blue);
}

.page-intro__aside p {
  margin: 0;
  color: var(--dim);
  font-size: 17px;
  line-height: 1.68;
}

.page-intro__aside a {
  margin-top: 28px;
}

.button {
  min-height: 48px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid var(--ink);
  border-radius: 2px;
  background: transparent;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: var(--ink);
  color: #fff;
}

.section {
  padding: 104px 0;
  border-bottom: 1px solid var(--line);
}

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

.section-heading {
  display: grid;
  grid-template-columns: minmax(180px, .45fr) minmax(0, 1.55fr);
  gap: 44px;
  align-items: start;
}

.section-index {
  color: var(--blue-text);
  font-size: 12px;
  font-weight: 700;
}

.section-title {
  max-width: 900px;
  margin: 0;
  font-size: clamp(36px, 5vw, 68px);
  line-height: 1.02;
  letter-spacing: 0;
}

.section-lead {
  max-width: 720px;
  margin: 28px 0 0;
  color: var(--dim);
  font-size: 18px;
  line-height: 1.72;
}

.rows {
  margin-top: 64px;
  border-top: 1px solid var(--line);
}

.row {
  min-height: 176px;
  padding: 30px 0;
  display: grid;
  grid-template-columns: minmax(180px, .45fr) minmax(220px, .7fr) minmax(0, .85fr);
  gap: 44px;
  align-items: start;
  border-bottom: 1px solid var(--line);
}

.row:last-child {
  border-bottom: 0;
}

.row-number {
  color: var(--faint);
  font-size: 11px;
  font-weight: 700;
}

.row h3 {
  margin: 0;
  font-size: 25px;
  line-height: 1.18;
}

.row p {
  margin: 0;
  color: var(--dim);
  font-size: 15px;
  line-height: 1.72;
}

.proof-rail {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 3px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.proof-rail article {
  min-height: 190px;
  padding: 26px;
  border-right: 1px solid var(--line);
}

.proof-rail article:first-child {
  padding-left: 0;
}

.proof-rail article:last-child {
  padding-right: 0;
  border-right: 0;
}

.proof-rail strong {
  display: block;
  margin-bottom: 44px;
  color: var(--coral-text);
  font-size: 11px;
}

.proof-rail h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.proof-rail p {
  margin: 0;
  color: var(--dim);
  font-size: 13px;
  line-height: 1.58;
}

.callout {
  padding: 96px 0;
  background: var(--ink);
  color: #fff;
}

.callout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr);
  gap: 72px;
  align-items: end;
}

.callout h2 {
  max-width: 860px;
  margin: 0;
  font-size: clamp(38px, 5.6vw, 72px);
  line-height: 1.02;
}

.callout p {
  margin: 0 0 28px;
  color: rgba(255, 255, 255, .7);
  font-size: 16px;
  line-height: 1.68;
}

.callout .button {
  border-color: #fff;
  color: #fff;
}

.text-page {
  padding: 96px 0 120px;
}

.text-page__grid {
  display: grid;
  grid-template-columns: minmax(180px, .42fr) minmax(0, 1.1fr) minmax(220px, .48fr);
  gap: 52px;
  align-items: start;
}

.text-page h1 {
  margin: 0 0 56px;
  font-size: clamp(48px, 6vw, 82px);
  line-height: 1;
}

.policy-copy {
  grid-column: 2;
}

.policy-copy section {
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.policy-copy h2 {
  margin: 0 0 14px;
  font-size: 24px;
  line-height: 1.25;
}

.policy-copy h3 {
  margin: 26px 0 8px;
  font-size: 17px;
}

.policy-copy p,
.policy-copy li {
  color: var(--dim);
  font-size: 15px;
  line-height: 1.75;
}

.policy-copy ul {
  padding-left: 20px;
}

.policy-meta {
  position: sticky;
  top: 112px;
  grid-column: 3;
  padding-top: 18px;
  border-top: 3px solid var(--coral);
}

.policy-meta p {
  margin: 0 0 14px;
  color: var(--dim);
  font-size: 12px;
  line-height: 1.6;
}

.policy-meta a,
.policy-copy a {
  color: var(--blue-text);
  font-weight: 700;
}

.diagnostic {
  padding: 84px 0 120px;
}

.diagnostic-header {
  max-width: 920px;
  margin-bottom: 64px;
}

.diagnostic-header h1 {
  margin: 0;
  font-size: clamp(48px, 7vw, 90px);
  line-height: .98;
}

.diagnostic-header p {
  max-width: 720px;
  margin: 28px 0 0;
  color: var(--dim);
  font-size: 18px;
  line-height: 1.7;
}

.diagnostic-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, .55fr);
  gap: 72px;
  align-items: start;
}

.diagnostic-form {
  border-top: 3px solid var(--ink);
}

.question {
  margin: 0;
  padding: 34px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
}

.question legend {
  margin-bottom: 20px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
}

.question-options {
  display: grid;
  gap: 10px;
}

.question-options label {
  min-height: 50px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .58);
  cursor: pointer;
}

.question-options label:hover {
  border-color: var(--blue-text);
}

.question-options input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--blue-text);
}

.diagnostic-actions {
  padding-top: 30px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.diagnostic-note {
  margin: 0;
  color: var(--faint);
  font-size: 12px;
  line-height: 1.6;
}

.diagnostic-result {
  position: sticky;
  top: 112px;
  min-height: 300px;
  padding-top: 24px;
  border-top: 3px solid var(--blue);
}

.diagnostic-result[hidden] {
  display: none;
}

.diagnostic-result__level {
  margin: 0 0 12px;
  color: var(--coral-text);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.diagnostic-result h2 {
  margin: 0;
  font-size: 36px;
  line-height: 1.08;
}

.diagnostic-result p,
.diagnostic-result li {
  color: var(--dim);
  font-size: 14px;
  line-height: 1.68;
}

.diagnostic-result ul {
  padding-left: 19px;
}

.diagnostic-result .button {
  margin-top: 14px;
}

.site-footer {
  padding: 44px 0;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: end;
}

.footer-copy {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--faint);
  font-size: 11px;
  line-height: 1.7;
}

.footer-copy a {
  color: var(--dim);
  font-weight: 700;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 20px;
}

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

@media (max-width: 900px) {
  .site-nav a:not(.nav-cta) {
    display: none;
  }

  .page-intro {
    min-height: auto;
  }

  .page-intro__grid,
  .callout-grid,
  .diagnostic-layout {
    grid-template-columns: 1fr;
  }

  .section-heading,
  .row {
    grid-template-columns: 110px 1fr;
  }

  .row p {
    grid-column: 2;
  }

  .proof-rail {
    grid-template-columns: 1fr 1fr;
  }

  .proof-rail article:nth-child(2) {
    border-right: 0;
  }

  .proof-rail article:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .text-page__grid {
    grid-template-columns: 1fr;
  }

  .policy-copy,
  .policy-meta {
    grid-column: 1;
  }

  .policy-meta,
  .diagnostic-result {
    position: static;
  }
}

@media (max-width: 620px) {
  :root {
    --shell: min(100% - 32px, 1160px);
  }

  .header-inner {
    min-height: 68px;
  }

  .wordmark {
    font-size: 24px;
  }

  .brand-mark {
    width: 27px;
    height: 27px;
  }

  .site-nav .nav-cta {
    min-height: 40px;
    padding-inline: 12px;
    font-size: 11px;
  }

  .page-intro {
    padding: 76px 0 54px;
  }

  .page-intro__grid {
    gap: 48px;
  }

  .page-intro h1,
  .diagnostic-header h1 {
    font-size: 48px;
  }

  .section {
    padding: 76px 0;
  }

  .section-heading,
  .row {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .row p {
    grid-column: 1;
  }

  .proof-rail {
    grid-template-columns: 1fr;
  }

  .proof-rail article,
  .proof-rail article:first-child,
  .proof-rail article:last-child {
    min-height: 0;
    padding: 26px 0;
    border-right: 0;
    border-top: 1px solid var(--line);
  }

  .proof-rail article:first-child {
    border-top: 0;
  }

  .proof-rail strong {
    margin-bottom: 20px;
  }

  .callout {
    padding: 76px 0;
  }

  .text-page {
    padding: 72px 0 96px;
  }

  .text-page h1 {
    margin-bottom: 42px;
    font-size: 48px;
  }

  .diagnostic {
    padding: 66px 0 96px;
  }

  .diagnostic-header {
    margin-bottom: 46px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-nav {
    justify-content: flex-start;
  }
}

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

  .button {
    transition: none;
  }
}