:root {
  --black: #252525;
  --ink: #111111;
  --muted: #676767;
  --line: #dedede;
  --paper: #f6f6f3;
  --white: #ffffff;
  --yellow: #ffbc16;
  --yellow-deep: #d89300;
  --signal: #a6e4cb;
  --steel: #83909a;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: 76px;
  padding: 14px clamp(20px, 4vw, 56px);
  background: rgba(246, 246, 243, 0.9);
  border-bottom: 1px solid rgba(37, 37, 37, 0.12);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  width: clamp(190px, 18vw, 278px);
}

.brand img {
  display: block;
  width: 100%;
  height: auto;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  color: #2b2b2b;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

.main-nav a {
  position: relative;
  padding: 8px 0;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 1px;
  left: 0;
  height: 2px;
  background: var(--yellow);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.main-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.section-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.section-dark {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(255, 188, 22, 0.12), transparent 34%),
    radial-gradient(circle at 78% 24%, rgba(166, 228, 203, 0.11), transparent 28%),
    linear-gradient(180deg, #1d1d1d, #101010);
}

.section-light {
  padding: clamp(72px, 8vw, 122px) 0;
  background: var(--paper);
}

.section-white {
  padding: clamp(60px, 7vw, 104px) clamp(20px, 4vw, 56px);
  background: var(--white);
}

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  align-items: end;
  padding-top: 80px;
}

.hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  content: "";
  mask-image: linear-gradient(90deg, transparent, #000 24%, #000 78%, transparent);
}

.hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.axis {
  position: absolute;
  display: block;
  background: linear-gradient(90deg, transparent, var(--yellow), transparent);
  opacity: 0.7;
}

.axis-a {
  top: 25%;
  right: -8%;
  width: 48%;
  height: 2px;
  transform: rotate(-27deg);
}

.axis-b {
  right: 18%;
  bottom: 23%;
  width: 38%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--signal), transparent);
  transform: rotate(43deg);
}

.node {
  position: absolute;
  width: 10px;
  height: 10px;
  border: 2px solid var(--yellow);
  background: #111;
  box-shadow: 0 0 26px rgba(255, 188, 22, 0.62);
}

.node-a {
  top: 20%;
  right: 18%;
}

.node-b {
  top: 44%;
  right: 30%;
  border-color: var(--signal);
  box-shadow: 0 0 26px rgba(166, 228, 203, 0.48);
}

.node-c {
  right: 8%;
  bottom: 32%;
}

.node-d {
  right: 38%;
  bottom: 16%;
  border-color: var(--steel);
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding: clamp(54px, 8vw, 110px) 0 clamp(50px, 7vw, 82px);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--yellow);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.eyebrow.dark {
  color: var(--yellow-deep);
}

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

h1 {
  max-width: 900px;
  margin-bottom: 22px;
  font-size: clamp(46px, 8vw, 98px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  max-width: 780px;
  margin-bottom: 0;
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 20px;
  line-height: 1.18;
}

.hero-copy {
  max-width: 700px;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

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

.button-primary {
  color: #111;
  background: var(--yellow);
  border-color: var(--yellow);
}

.button-secondary {
  color: var(--white);
}

.proof-strip {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.26);
}

.proof-strip div {
  min-height: 118px;
  padding: 24px clamp(18px, 3vw, 34px);
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.proof-strip strong {
  display: block;
  margin-bottom: 7px;
  color: var(--yellow);
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1;
}

.proof-strip span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.8fr);
  gap: clamp(32px, 6vw, 82px);
  align-items: start;
}

.lead-block {
  padding-top: 8px;
  color: #343434;
  font-size: clamp(18px, 2vw, 22px);
}

.lead-block p:last-child,
.culture-panel p:last-child {
  margin-bottom: 0;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding-top: 0;
  padding-bottom: 0;
}

.metric {
  min-height: 174px;
  padding: 30px clamp(20px, 4vw, 48px);
  border-left: 1px solid var(--line);
}

.metric:last-child {
  border-right: 1px solid var(--line);
}

.metric span {
  display: block;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.metric strong {
  color: var(--black);
  font-size: clamp(38px, 6vw, 76px);
  line-height: 1;
}

.expertise-section,
.culture-section,
.contact {
  padding: clamp(76px, 9vw, 134px) 0;
}

.section-heading {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(34px, 5vw, 58px);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  border-left: 1px solid rgba(255, 255, 255, 0.15);
}

.expertise-grid article {
  min-height: 258px;
  padding: 28px;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  background:
    linear-gradient(135deg, rgba(255, 188, 22, 0.08), transparent 36%),
    rgba(255, 255, 255, 0.025);
}

.expertise-grid p,
.approach-map p,
.case-list p,
.culture-panel p,
.contact p {
  color: currentColor;
  opacity: 0.72;
}

.mark {
  display: block;
  width: 34px;
  height: 34px;
  margin-bottom: 28px;
  background: linear-gradient(135deg, var(--yellow) 0 50%, transparent 51%);
  border: 1px solid rgba(255, 188, 22, 0.75);
}

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

.approach-map article {
  min-height: 320px;
  padding: 28px;
  background: var(--paper);
}

.approach-map span {
  display: inline-flex;
  margin-bottom: 84px;
  color: var(--yellow-deep);
  font-weight: 900;
}

.case-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.case-list article {
  display: grid;
  grid-template-columns: 170px minmax(220px, 0.7fr) minmax(280px, 1fr);
  gap: 28px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.case-list span {
  color: var(--yellow-deep);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0;
}

.case-list h3 {
  margin: 0;
}

.case-list p {
  margin-bottom: 0;
}

.culture-panel {
  padding: 32px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.discipline-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 28px;
  background: rgba(255, 255, 255, 0.14);
}

.discipline-grid span {
  padding: 12px;
  background: #151515;
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
}

.quotes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

blockquote {
  min-height: 236px;
  margin: 0;
  padding: 30px;
  background: var(--paper);
}

blockquote p {
  margin-bottom: 28px;
  font-size: clamp(19px, 2vw, 25px);
  line-height: 1.24;
}

blockquote cite {
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.42fr);
  gap: clamp(28px, 6vw, 90px);
  align-items: end;
}

address {
  display: grid;
  gap: 12px;
  font-style: normal;
  font-size: 18px;
}

address a {
  color: var(--yellow);
  font-weight: 800;
}

@media (max-width: 920px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

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

  .hero {
    min-height: auto;
  }

  .proof-strip,
  .metrics,
  .expertise-grid,
  .approach-map,
  .quotes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split,
  .contact-inner {
    grid-template-columns: 1fr;
  }

  .case-list article {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 0;
    padding: 12px 16px;
  }

  .brand {
    width: 186px;
  }

  .main-nav {
    gap: 11px;
    font-size: 11px;
  }

  .section-inner {
    width: min(100% - 30px, var(--max));
  }

  .hero-inner {
    padding-top: 72px;
  }

  .proof-strip,
  .metrics,
  .expertise-grid,
  .approach-map,
  .quotes,
  .discipline-grid {
    grid-template-columns: 1fr;
  }

  .proof-strip div,
  .metric,
  .expertise-grid article,
  .approach-map article,
  blockquote {
    min-height: auto;
  }

  .approach-map span {
    margin-bottom: 34px;
  }
}