:root {
  --ink: #101211;
  --ink-soft: #161817;
  --stone: #e8e5dd;
  --paper: #f1efe9;
  --muted: #92958f;
  --blue: #315bff;
  --blue-bright: #4169ff;
  --rule-dark: rgba(232, 229, 221, 0.28);
  --rule-light: rgba(16, 18, 17, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid var(--blue-bright);
  outline-offset: 4px;
}

.shell {
  width: min(100% - 80px, 1400px);
  margin-inline: auto;
}

.hero {
  min-height: 100svh;
  background:
    radial-gradient(circle at 86% 36%, rgba(49, 91, 255, 0.045), transparent 31%),
    var(--ink);
  color: var(--stone);
  display: flex;
  flex-direction: column;
}

.site-header {
  min-height: 94px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 48px;
  border-bottom: 1px solid var(--rule-dark);
}

.wordmark {
  width: max-content;
  font-family: Baskerville, "Times New Roman", serif;
  font-size: clamp(2rem, 3vw, 2.75rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(32px, 6vw, 82px);
  font-size: 0.94rem;
}

.desktop-nav a,
.outline-link,
.text-link {
  transition: color 180ms ease;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible,
.text-link:hover,
.text-link:focus-visible {
  color: var(--blue-bright);
}

.outline-link {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 38px;
  min-width: 250px;
  padding: 16px 19px;
  border: 1px solid rgba(232, 229, 221, 0.72);
  font-size: 0.94rem;
}

.outline-link:hover,
.outline-link:focus-visible {
  border-color: var(--blue);
  color: white;
}

.outline-link span,
.primary-link span,
.text-link span,
.principle-rail a > span:last-child {
  transition: transform 180ms ease;
}

.outline-link:hover span,
.primary-link:hover span,
.text-link:hover span,
.principle-rail a:hover > span:last-child {
  transform: translate(4px, -2px);
}

.mobile-menu {
  display: none;
}

.hero-main {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  padding-block: clamp(62px, 8vw, 118px) clamp(52px, 7vw, 96px);
}

.hero-title-wrap {
  position: relative;
  padding-right: clamp(36px, 5vw, 80px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow {
  margin: 0 0 36px;
  color: #bec0ba;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.27em;
  line-height: 1.5;
  text-transform: uppercase;
}

.eyebrow span {
  margin-inline: 8px;
  color: var(--blue);
}

h1,
h2 {
  font-family: Baskerville, "Iowan Old Style", "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -0.055em;
}

h1 {
  margin: 0;
  font-size: clamp(5rem, 10.2vw, 10.25rem);
  line-height: 0.82;
  text-wrap: balance;
}

.down-cue {
  margin-top: clamp(48px, 9vh, 100px);
  width: 38px;
  padding-block: 8px 14px;
  border-bottom: 1px solid var(--stone);
  color: var(--stone);
  font-size: 2rem;
  line-height: 1;
  transition: color 180ms ease, border-color 180ms ease;
}

.down-cue:hover,
.down-cue:focus-visible {
  color: var(--blue);
  border-color: var(--blue);
}

.hero-case {
  position: relative;
  min-height: 510px;
  padding-left: clamp(38px, 5vw, 76px);
  border-left: 1px solid var(--rule-dark);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 18px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  align-self: center;
}

.hero-copy > p {
  max-width: 410px;
  margin: 0;
  font-size: clamp(1.35rem, 1.85vw, 1.75rem);
  line-height: 1.5;
  letter-spacing: -0.03em;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 30px;
  margin-top: 66px;
}

.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  min-width: 286px;
  padding: 19px 22px;
  background: var(--blue);
  color: white;
  font-size: 0.94rem;
  transition: background 180ms ease;
}

.primary-link:hover,
.primary-link:focus-visible {
  background: var(--blue-bright);
}

.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 56px;
  min-width: 220px;
  padding: 8px 4px 10px;
  border-bottom: 2px solid var(--blue);
  font-size: 0.94rem;
}

.ratio-mark {
  position: relative;
  width: min(100%, 340px);
  aspect-ratio: 1;
  justify-self: end;
  opacity: 0.95;
}

.ratio-circle,
.ratio-square,
.ratio-core {
  position: absolute;
  display: block;
}

.ratio-circle {
  inset: 3% 1% 1% 3%;
  border: 1px solid rgba(232, 229, 221, 0.88);
  border-radius: 50%;
}

.ratio-square {
  border: 1px solid var(--blue);
}

.ratio-square-large {
  width: 48%;
  height: 48%;
  right: 1%;
  bottom: 1%;
}

.ratio-square-small {
  width: 21%;
  height: 21%;
  right: 28%;
  bottom: 1%;
}

.ratio-core {
  width: 21%;
  aspect-ratio: 1;
  right: 28%;
  bottom: 28%;
  border: 1px solid var(--stone);
  border-radius: 50%;
}

.ratio-mark::before,
.ratio-mark::after {
  content: "";
  position: absolute;
  background: rgba(232, 229, 221, 0.72);
}

.ratio-mark::before {
  width: 1px;
  height: 96%;
  left: 51%;
  top: 3%;
}

.ratio-mark::after {
  height: 1px;
  width: 96%;
  left: 3%;
  top: 52%;
}

.principle-rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--rule-dark);
}

.principle-rail a {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 104px;
  padding-inline: 0 28px;
  border-top: 1px solid transparent;
  transition: border-color 180ms ease;
}

.principle-rail a + a {
  padding-left: 34px;
  border-left: 1px solid var(--rule-dark);
}

.principle-rail a:hover,
.principle-rail a:focus-visible {
  border-top-color: var(--blue);
}

.principle-rail a > span:first-child {
  font-family: Baskerville, "Times New Roman", serif;
  font-size: 2rem;
}

.principle-rail strong {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.section {
  padding-block: clamp(96px, 11vw, 172px);
}

.principles-section {
  display: grid;
  grid-template-columns: 1fr 3fr;
  column-gap: 72px;
}

.section-kicker {
  display: flex;
  align-items: flex-start;
  gap: 22px;
  border-top: 1px solid var(--rule-light);
  padding-top: 18px;
}

.section-kicker span {
  color: var(--blue);
  font-size: 0.74rem;
  font-weight: 700;
}

.section-kicker p {
  margin: 0;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.section-intro .eyebrow {
  margin-bottom: 22px;
}

.eyebrow.dark {
  color: #686b66;
}

.section-intro h2 {
  max-width: 960px;
  margin: 0;
  font-size: clamp(3.4rem, 6.6vw, 7.4rem);
  line-height: 0.94;
}

.lead {
  max-width: 720px;
  margin: 48px 0 0 auto;
  color: #4c4f4a;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  line-height: 1.65;
}

.principles-grid {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 92px;
  border-top: 1px solid var(--rule-light);
  border-left: 1px solid var(--rule-light);
}

.principles-grid article {
  min-height: 330px;
  padding: 30px;
  border-right: 1px solid var(--rule-light);
  border-bottom: 1px solid var(--rule-light);
  display: flex;
  flex-direction: column;
}

.principles-grid article > span {
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 700;
}

.principles-grid h3 {
  margin: auto 0 20px;
  font-family: Baskerville, "Times New Roman", serif;
  font-size: clamp(2rem, 3vw, 3.25rem);
  font-weight: 400;
  letter-spacing: -0.04em;
}

.principles-grid p {
  max-width: 440px;
  margin: 0;
  color: #5d605b;
  font-size: 0.96rem;
  line-height: 1.65;
}

.approach-section {
  background: var(--ink);
  color: var(--stone);
}

.approach-layout,
.criteria-section,
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 3fr;
  column-gap: 72px;
}

.section-kicker.light {
  border-top-color: var(--rule-dark);
}

.approach-content h2,
.contact-content h2 {
  margin: 0;
  font-size: clamp(3.4rem, 6.6vw, 7.4rem);
  line-height: 0.94;
}

.approach-lead {
  max-width: 740px;
  margin: 52px 0 0 auto;
  color: #b8bbb4;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  line-height: 1.65;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 94px;
  border-top: 1px solid var(--rule-dark);
  border-left: 1px solid var(--rule-dark);
}

.process-grid article {
  min-height: 480px;
  padding: 28px;
  border-right: 1px solid var(--rule-dark);
  border-bottom: 1px solid var(--rule-dark);
  display: flex;
  flex-direction: column;
}

.process-grid article > span,
.process-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.process-grid article > span {
  color: var(--blue-bright);
}

.process-label {
  margin: 22px 0 0;
  color: #a7aaa4;
}

.process-grid h3 {
  margin: auto 0 26px;
  font-family: Baskerville, "Times New Roman", serif;
  font-size: clamp(2rem, 2.7vw, 3.05rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.process-grid article > p:last-child {
  margin: 0;
  color: #aeb1ab;
  font-size: 0.94rem;
  line-height: 1.7;
}

blockquote {
  margin: 120px 0 0;
  padding: 0 0 0 40px;
  border-left: 2px solid var(--blue);
}

blockquote p {
  max-width: 950px;
  margin: 0;
  font-family: Baskerville, "Times New Roman", serif;
  font-size: clamp(2.8rem, 5vw, 5.6rem);
  letter-spacing: -0.045em;
  line-height: 1.05;
}

blockquote cite {
  display: block;
  margin-top: 34px;
  color: #9da09a;
  font-size: 0.68rem;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.criteria-content {
  min-width: 0;
}

.criteria-content > h2 {
  margin: 0;
  font-size: clamp(3.4rem, 6.6vw, 7.4rem);
  line-height: 0.94;
}

.criteria-intro {
  max-width: 700px;
  margin: 44px 0 0 auto;
  color: #4f524d;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  line-height: 1.65;
}

.criteria-lists {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 92px;
  border-top: 1px solid var(--rule-light);
  border-left: 1px solid var(--rule-light);
}

.criteria-lists > div {
  padding: 32px;
  border-right: 1px solid var(--rule-light);
  border-bottom: 1px solid var(--rule-light);
}

.list-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 30px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.list-title span {
  color: var(--blue);
  font-size: 1.15rem;
}

.criteria-lists ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

.criteria-lists li {
  min-height: 82px;
  padding: 20px 0;
  border-top: 1px solid var(--rule-light);
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  align-items: start;
  font-size: 1rem;
  line-height: 1.5;
}

.criteria-lists li > span {
  color: #777a74;
  font-family: Baskerville, "Times New Roman", serif;
  font-size: 1.15rem;
}

.caution-list {
  background: #e6e3dc;
}

.mandate-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 72px;
  background: var(--blue);
  color: white;
}

.mandate-grid article {
  min-height: 310px;
  padding: 30px;
  display: flex;
  flex-direction: column;
}

.mandate-grid article + article {
  border-left: 1px solid rgba(255, 255, 255, 0.4);
}

.mandate-grid article > span {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.mandate-grid h3 {
  margin: auto 0 18px;
  font-family: Baskerville, "Times New Roman", serif;
  font-size: clamp(2.1rem, 3vw, 3.4rem);
  font-weight: 400;
  letter-spacing: -0.045em;
}

.mandate-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9rem;
  line-height: 1.65;
}

.contact-section {
  padding-block: clamp(100px, 12vw, 180px);
  background: var(--ink-soft);
  color: var(--stone);
}

.contact-content h2 {
  max-width: 1050px;
}

.contact-bottom {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 60px;
  margin-top: 72px;
  padding-top: 38px;
  border-top: 1px solid var(--rule-dark);
}

.contact-bottom > p {
  max-width: 650px;
  margin: 0;
  color: #b8bbb4;
  font-size: 1.06rem;
  line-height: 1.7;
}

.contact-link {
  min-width: 280px;
}

.site-footer {
  background: #090a09;
  color: var(--stone);
}

.footer-main {
  min-height: 160px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 60px;
  border-bottom: 1px solid var(--rule-dark);
}

.footer-main nav {
  display: flex;
  gap: 34px;
  color: #acaea9;
  font-size: 0.85rem;
}

.footer-main > a:last-child {
  justify-self: end;
  color: #acaea9;
  font-size: 0.85rem;
}

.footer-main nav a:hover,
.footer-main nav a:focus-visible,
.footer-main > a:last-child:hover,
.footer-main > a:last-child:focus-visible {
  color: var(--blue-bright);
}

.footer-legal {
  min-height: 120px;
  padding-block: 28px;
  display: flex;
  justify-content: space-between;
  gap: 80px;
  color: #727570;
  font-size: 0.7rem;
  line-height: 1.6;
}

.footer-legal p {
  margin: 0;
}

.footer-legal p:first-child {
  max-width: 690px;
}

@media (max-width: 1100px) {
  .hero-main {
    grid-template-columns: 1fr;
  }

  .hero-title-wrap {
    padding-right: 0;
  }

  .hero-case {
    margin-top: 68px;
    padding: 68px 0 0;
    border-left: 0;
    border-top: 1px solid var(--rule-dark);
  }

  .desktop-nav {
    gap: 28px;
  }

  .desktop-intro {
    min-width: 210px;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 40px, 1400px);
  }

  .site-header {
    min-height: 78px;
    grid-template-columns: 1fr auto;
  }

  .desktop-nav,
  .desktop-intro {
    display: none;
  }

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

  .mobile-menu summary {
    cursor: pointer;
    list-style: none;
    border: 1px solid var(--rule-dark);
    padding: 10px 14px;
    font-size: 0.76rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

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

  .mobile-menu nav {
    position: absolute;
    z-index: 10;
    top: calc(100% + 10px);
    right: 0;
    width: min(78vw, 290px);
    padding: 8px;
    border: 1px solid var(--rule-dark);
    background: var(--ink-soft);
    display: flex;
    flex-direction: column;
  }

  .mobile-menu nav a {
    padding: 14px;
    border-bottom: 1px solid var(--rule-dark);
  }

  .mobile-menu nav a:last-child {
    border: 0;
    color: #9fb0ff;
  }

  .hero-main {
    padding-block: 68px 58px;
  }

  .eyebrow {
    margin-bottom: 24px;
  }

  h1 {
    font-size: clamp(4.45rem, 23vw, 7rem);
  }

  .down-cue {
    margin-top: 54px;
  }

  .hero-case {
    min-height: 0;
    display: block;
    margin-top: 54px;
    padding-top: 54px;
  }

  .hero-copy > p {
    font-size: 1.3rem;
  }

  .hero-actions {
    margin-top: 42px;
  }

  .primary-link {
    width: 100%;
    min-width: 0;
  }

  .ratio-mark {
    width: 240px;
    margin: 56px 0 0 auto;
    opacity: 0.65;
  }

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

  .principle-rail a {
    min-height: 82px;
  }

  .principle-rail a + a {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--rule-dark);
  }

  .principles-section {
    grid-template-columns: 1fr;
  }

  .section-intro {
    margin-top: 64px;
  }

  .section-intro h2 {
    font-size: clamp(3.3rem, 17vw, 5.4rem);
  }

  .lead {
    margin-top: 36px;
  }

  .principles-grid {
    grid-column: 1;
    grid-template-columns: 1fr;
    margin-top: 62px;
  }

  .principles-grid article {
    min-height: 280px;
  }

  .approach-layout,
  .criteria-section,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .approach-content,
  .criteria-content,
  .contact-content {
    margin-top: 64px;
  }

  .approach-content h2,
  .criteria-content > h2,
  .contact-content h2 {
    font-size: clamp(3.2rem, 16vw, 5.2rem);
  }

  .approach-lead,
  .criteria-intro {
    margin-top: 36px;
  }

  .process-grid,
  .criteria-lists,
  .mandate-grid {
    grid-template-columns: 1fr;
    margin-top: 60px;
  }

  .process-grid article {
    min-height: 350px;
  }

  .criteria-lists > div + div {
    border-top: 0;
  }

  .mandate-grid article {
    min-height: 260px;
  }

  .mandate-grid article + article {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.4);
  }

  blockquote {
    margin-top: 80px;
    padding-left: 24px;
  }

  blockquote p {
    font-size: clamp(2.5rem, 12vw, 4.2rem);
  }

  .contact-bottom {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 38px;
    margin-top: 52px;
  }

  .contact-link {
    width: 100%;
    min-width: 0;
  }

  .footer-main {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 28px;
    padding-block: 58px;
  }

  .footer-main nav {
    flex-wrap: wrap;
  }

  .footer-main > a:last-child {
    justify-self: start;
  }

  .footer-legal {
    flex-direction: column;
    gap: 28px;
    padding-block: 34px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}