:root {
  color-scheme: light;
  --ink: #111111;
  --text: #232a31;
  --muted: #5c6670;
  --line: #d7dce1;
  --paper: #f4f5f6;
  --white: #ffffff;
  --accent: #09285a;
  --accent-dark: #061b3e;
  --accent-on-dark: #8fb4df;
  --dark: #16191d;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}

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

p,
h1,
h2,
h3,
dl,
dd {
  margin-top: 0;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: 74px;
  padding: 16px clamp(24px, 5vw, 72px);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
}

.brand,
nav,
.footer-brand {
  display: flex;
  align-items: center;
}

.brand {
  gap: 14px;
  min-width: 0;
  font-weight: 700;
}

.brand-logo {
  display: block;
  width: 150px;
  height: auto;
  background: var(--accent);
}

.brand-name {
  overflow: hidden;
  color: var(--ink);
  text-overflow: ellipsis;
  white-space: nowrap;
}

nav {
  gap: clamp(18px, 3vw, 34px);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 700;
}

nav a {
  padding-block: 4px;
  border-bottom: 2px solid transparent;
}

nav a:hover,
nav a:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.72fr);
  gap: clamp(48px, 7vw, 96px);
  align-items: center;
  min-height: 640px;
  padding: clamp(72px, 10vw, 136px) clamp(24px, 6vw, 96px);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.hero-content {
  max-width: 900px;
}

.eyebrow {
  margin-bottom: 22px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.4;
  text-transform: uppercase;
}

h1 {
  max-width: 900px;
  margin-bottom: 28px;
  color: var(--ink);
  font-size: 4.9rem;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 0.98;
}

.hero-copy {
  max-width: 710px;
  margin-bottom: 34px;
  color: var(--text);
  font-size: 1.28rem;
  line-height: 1.48;
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  color: var(--ink);
  border-bottom: 2px solid var(--accent);
  font-size: 0.96rem;
  font-weight: 700;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--accent);
}

.hero-aside {
  padding-top: 26px;
  border-top: 5px solid var(--accent);
}

.hero-aside p {
  margin-bottom: 30px;
  color: var(--ink);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.42;
}

.hero-aside dl {
  margin-bottom: 0;
  border-top: 1px solid var(--line);
}

.hero-aside dl div {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.hero-aside dt {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
}

.hero-aside dd {
  margin-bottom: 0;
  color: var(--text);
  font-weight: 700;
}

.signal-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.signal-band div {
  min-height: 156px;
  padding: 32px clamp(24px, 4vw, 56px);
  background: var(--paper);
  border-right: 1px solid var(--line);
}

.signal-band div:last-child {
  border-right: 0;
}

.metric {
  display: block;
  margin-bottom: 20px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
}

.signal-band p {
  max-width: 420px;
  margin-bottom: 0;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.48;
}

.section {
  padding: clamp(72px, 10vw, 128px) clamp(24px, 6vw, 96px);
}

.split {
  display: grid;
  grid-template-columns: minmax(240px, 0.74fr) minmax(0, 1.58fr);
  gap: clamp(44px, 7vw, 96px);
  align-items: start;
  background: var(--white);
}

.section-intro h2,
.fit-section h2,
.cta-section h2 {
  margin-bottom: 0;
  color: var(--ink);
  font-size: 2.95rem;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.08;
}

.section-intro.wide {
  max-width: 940px;
}

.section-intro.wide p:last-child {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.08rem;
}

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

.service-card {
  min-height: 260px;
  padding: 30px;
  background: var(--white);
  border-right: 1px solid var(--line);
}

.service-card:last-child {
  border-right: 0;
}

.service-index {
  display: block;
  margin-bottom: 34px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
}

.service-card h3 {
  margin-bottom: 14px;
  color: var(--ink);
  font-size: 1.42rem;
  font-weight: 700;
  line-height: 1.18;
}

.service-card p {
  margin-bottom: 0;
  color: var(--muted);
}

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

.method-section .eyebrow,
.method-section .process span {
  color: var(--accent-on-dark);
}

.method-section .section-intro h2,
.method-section .section-intro.wide p:last-child {
  color: var(--white);
}

.process {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 54px;
  border-top: 1px solid #3f454b;
  border-bottom: 1px solid #3f454b;
}

.process div {
  min-height: 212px;
  padding: 32px;
  border-right: 1px solid #3f454b;
}

.process div:last-child {
  border-right: 0;
}

.process span {
  display: block;
  margin-bottom: 18px;
  font-size: 1.32rem;
  font-weight: 700;
}

.process p {
  margin-bottom: 0;
  color: #d7dce1;
}

.fit-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.82fr) minmax(0, 1.25fr);
  gap: clamp(44px, 7vw, 96px);
  align-items: start;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

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

.fit-list p {
  margin-bottom: 0;
  padding: 24px 0;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.42;
}

.research-section {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.research-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 36px;
  border-top: 1px solid var(--line);
}

.research-card {
  min-height: 220px;
  padding: 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.research-card:last-child {
  border-right: 0;
}

.research-category {
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
}

.research-title {
  display: block;
  margin-bottom: 14px;
  color: var(--ink);
  font-size: 1.24rem;
  font-weight: 700;
  line-height: 1.25;
}

.research-title:hover,
.research-title:focus-visible {
  color: var(--accent);
}

.research-summary {
  margin-bottom: 0;
  color: var(--muted);
}

.cta-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  align-items: end;
  padding: clamp(64px, 8vw, 104px) clamp(24px, 6vw, 96px);
  color: var(--ink);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.cta-section h2 {
  max-width: 820px;
}

.cta-copy {
  max-width: 680px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.cta-copy a {
  color: var(--accent-dark);
  font-weight: 700;
  border-bottom: 1px solid currentColor;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 28px clamp(24px, 6vw, 96px);
  color: #d7dce1;
  background: var(--dark);
  font-size: 0.9rem;
}

footer p {
  margin-bottom: 0;
}

.footer-brand {
  gap: 16px;
  color: var(--white);
  font-weight: 700;
}

.footer-logo {
  display: block;
  width: 128px;
  height: auto;
  background: var(--accent);
}

@media (max-width: 1040px) {
  .hero,
  .split,
  .fit-section,
  .cta-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    align-items: start;
  }

  h1 {
    font-size: 3.8rem;
  }

  .section-intro h2,
  .fit-section h2,
  .cta-section h2 {
    font-size: 2.45rem;
  }

  .signal-band,
  .service-grid,
  .process,
  .research-list {
    grid-template-columns: 1fr;
  }

  .signal-band div,
  .service-card,
  .process div,
  .research-card {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .process div {
    border-bottom-color: #3f454b;
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    min-height: auto;
  }

  .brand {
    width: 100%;
  }

  .brand-name {
    white-space: normal;
  }

  nav {
    width: 100%;
    flex-wrap: wrap;
    gap: 12px 18px;
    font-size: 0.84rem;
  }

  h1 {
    font-size: 2.72rem;
    line-height: 1.03;
  }

  .hero {
    padding-top: 48px;
  }

  .hero-copy {
    font-size: 1.08rem;
  }

  .hero-aside dl div {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .section-intro h2,
  .fit-section h2,
  .cta-section h2 {
    font-size: 2rem;
  }

  .section,
  .hero,
  .cta-section {
    padding-inline: 22px;
  }

  .signal-band div,
  .service-card,
  .process div,
  .research-card {
    padding-inline: 22px;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}