:root {
  --ink: #0d1117;
  --paper: #ffffff;
  --smoke: #f3f4f6;
  --charcoal: #171717;
  --steel: #5f6670;
  --gold: #d4af37;
  --gold-dark: #a67410;
  --teal: #4fc3b1;
  --line: rgba(8, 8, 8, 0.14);
  --shadow: 0 22px 60px rgba(8, 8, 8, 0.16);
  --display: "Anton", Impact, sans-serif;
  --headline: "Montserrat", Arial, sans-serif;
  --body: "Inter", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

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

.site-header {
  align-items: center;
  display: flex;
  gap: 28px;
  justify-content: space-between;
  left: 0;
  padding: 18px clamp(20px, 4vw, 64px);
  position: fixed;
  right: 0;
  top: 0;
  transition: background 200ms ease, box-shadow 200ms ease, padding 200ms ease;
  z-index: 20;
}

.site-header.is-scrolled {
  background: rgba(8, 8, 8, 0.92);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.24);
  padding-block: 12px;
}

.brand {
  align-items: center;
  display: flex;
  width: clamp(150px, 16vw, 238px);
}

.site-nav {
  align-items: center;
  display: flex;
  gap: 28px;
  color: var(--paper);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.site-nav a {
  position: relative;
}

.site-nav a:not(.nav-cta)::after {
  background: var(--gold);
  bottom: -8px;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
  width: 100%;
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.nav-cta,
.button {
  align-items: center;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  font-family: var(--body);
  font-size: 13px;
  font-weight: 900;
  justify-content: center;
  letter-spacing: 0;
  min-height: 48px;
  padding: 14px 20px;
  text-transform: uppercase;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.nav-cta,
.button.primary {
  background: var(--gold);
  color: var(--ink);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.48);
  color: var(--paper);
}

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

.nav-toggle {
  background: transparent;
  border: 0;
  cursor: pointer;
  display: none;
  height: 42px;
  padding: 0;
  position: relative;
  width: 42px;
  z-index: 30;
}

.nav-toggle span {
  background: var(--paper);
  height: 2px;
  left: 7px;
  position: absolute;
  transition: transform 180ms ease, top 180ms ease;
  width: 28px;
}

.nav-toggle span:first-child {
  top: 15px;
}

.nav-toggle span:last-child {
  top: 25px;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  top: 21px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  top: 21px;
  transform: rotate(-45deg);
}

.hero {
  background: var(--ink);
  color: var(--paper);
  min-height: 88vh;
  overflow: hidden;
  padding: 132px clamp(20px, 4vw, 64px) 32px;
  position: relative;
}

.hero-media {
  background-image: linear-gradient(90deg, rgba(0, 0, 0, 0.94), rgba(17, 17, 17, 0.68), rgba(0, 0, 0, 0.88));
  background-position: center;
  background-size: cover;
  inset: 0;
  opacity: 0.7;
  position: absolute;
}

.hero::after {
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.88));
  bottom: 0;
  content: "";
  height: 34%;
  left: 0;
  position: absolute;
  right: 0;
}

.hero-content {
  max-width: 830px;
  position: relative;
  z-index: 2;
}

.hero-visual {
  height: min(35vw, 560px);
  margin: 0;
  overflow: hidden;
  position: absolute;
  right: clamp(20px, 4vw, 64px);
  top: clamp(150px, 17vh, 190px);
  width: min(46vw, 950px);
  z-index: 1;
}

.hero-visual::after {
  background: linear-gradient(180deg, rgba(13, 17, 23, 0), rgba(13, 17, 23, 0.28));
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.hero-visual img {
  display: block;
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.hero .eyebrow {
  font-family: var(--display);
  font-size: 40px;
  font-weight: 400;
  line-height: 1;
  margin-bottom: 22px;
}

.eyebrow,
.section-label {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  margin: 0 0 16px;
  text-transform: uppercase;
}

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

h1,
h2 {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 0.98;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(48px, 8vw, 116px);
  margin-bottom: 24px;
  max-width: 960px;
}

h2 {
  font-size: clamp(36px, 5vw, 76px);
}

h3 {
  font-size: clamp(21px, 2vw, 28px);
  line-height: 1.16;
}

.hero-copy {
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(17px, 2vw, 22px);
  max-width: 720px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-metrics {
  bottom: 28px;
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 880px;
  position: absolute;
  right: clamp(20px, 4vw, 64px);
  width: min(54vw, 880px);
  z-index: 2;
}

.hero-metrics div {
  background: rgba(255, 255, 255, 0.09);
  border-top: 2px solid var(--gold);
  padding: 18px;
}

.hero-metrics strong {
  color: var(--paper);
  display: block;
  font-family: var(--display);
  font-size: 42px;
  font-weight: 400;
  line-height: 1;
}

.hero-metrics span {
  color: rgba(255, 255, 255, 0.72);
  display: block;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
  margin-top: 8px;
}

section {
  padding: clamp(64px, 8vw, 120px) clamp(20px, 4vw, 64px);
}

.intro-section {
  background: var(--smoke);
}

.intro-section .section-label {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 400;
  line-height: 1;
}

.story-copy .eyebrow {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 400;
  line-height: 1;
}

.approach-copy .eyebrow {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 400;
  line-height: 1;
}

.proof-section .eyebrow {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 400;
  line-height: 1;
}

.contact-copy .eyebrow {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 400;
  line-height: 1;
}

.intro-grid,
.approach-section,
.proof-section,
.contact-section {
  display: grid;
  gap: clamp(28px, 5vw, 84px);
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
}

.intro-grid h2 {
  line-height: 1.14;
}

.intro-copy p,
.story-copy p,
.approach-copy p,
.contact-copy p {
  color: var(--steel);
  font-size: clamp(17px, 1.6vw, 21px);
}

.intro-copy p {
  margin-bottom: 20px;
}

.intro-closing {
  border-left: 4px solid var(--gold);
  display: grid;
  gap: 8px;
  margin-top: 30px;
  padding-left: 22px;
}

.intro-closing p {
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(24px, 2.4vw, 38px);
  line-height: 1;
  margin: 0;
  text-transform: uppercase;
}

.intro-closing p:last-child {
  color: var(--gold-dark);
}

.story-section {
  background: var(--paper);
  display: grid;
  gap: clamp(28px, 5vw, 72px);
  grid-template-columns: minmax(160px, 0.28fr) minmax(0, 0.88fr) minmax(280px, 0.54fr);
  overflow: hidden;
  position: relative;
}

.story-section::before {
  background: var(--gold);
  content: "";
  height: 4px;
  left: clamp(20px, 4vw, 64px);
  position: absolute;
  right: clamp(20px, 4vw, 64px);
  top: 0;
}

.story-mark {
  color: rgba(217, 167, 41, 0.22);
  font-family: var(--display);
  font-size: clamp(180px, 24vw, 340px);
  line-height: 0.78;
}

.story-copy h2 {
  margin-bottom: 24px;
}

.story-copy p:last-child {
  margin-bottom: 0;
}

.story-principles {
  display: grid;
  gap: 1px;
  grid-column: 2 / 4;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.story-principles article {
  background: var(--ink);
  color: var(--paper);
  min-height: 178px;
  padding: 26px;
}

.story-principles strong {
  color: var(--gold);
  display: block;
  font-family: var(--display);
  font-size: 15px;
  font-weight: 400;
  margin-bottom: 22px;
  text-transform: uppercase;
}

.story-principles span {
  color: rgba(255, 255, 255, 0.74);
}

.voice-grid {
  align-self: end;
  display: grid;
  gap: 14px;
  grid-column: 2 / 4;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.voice-grid article {
  background: var(--smoke);
  border-left: 4px solid var(--gold);
  padding: 22px;
}

.voice-grid span {
  display: block;
  font-family: var(--display);
  font-size: 28px;
  line-height: 1;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.voice-grid p {
  color: var(--steel);
  margin: 0;
}

.section-heading {
  align-items: end;
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 0.92fr) minmax(260px, 0.4fr);
  margin-bottom: 44px;
}

.section-heading h2 {
  margin-bottom: 0;
  max-width: 980px;
}

.section-heading::after {
  background: var(--gold);
  content: "";
  height: 4px;
  width: 100%;
}

.services-section {
  background: var(--paper);
  padding-top: clamp(52px, 6vw, 88px);
}

.services-layout {
  align-items: start;
  display: grid;
  gap: clamp(28px, 3vw, 44px);
  grid-template-columns: minmax(0, 2.45fr) minmax(300px, 1fr);
}

.services-label {
  border-bottom: 4px solid var(--gold);
  margin-bottom: 18px;
}

.services-label .eyebrow {
  font-family: var(--display);
  font-size: clamp(30px, 3vw, 48px);
  font-weight: 400;
  line-height: 1;
  margin-bottom: 10px;
}

.services-title-panel {
  align-self: start;
}

.services-title-panel h2 {
  color: var(--ink);
  font-size: clamp(58px, 5.9vw, 116px);
  line-height: 0.91;
  margin: 0;
}

.service-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.service-card {
  background: var(--charcoal);
  color: var(--paper);
  min-height: clamp(430px, 42vw, 650px);
  padding: clamp(26px, 2.4vw, 40px);
  transition: background 180ms ease, transform 180ms ease;
}

.service-card:nth-child(even) {
  background: #242424;
}

.service-card:hover {
  background: #101f20;
  transform: translateY(-8px);
}

.service-card span {
  color: var(--gold);
  display: block;
  font-family: var(--display);
  font-size: clamp(34px, 3vw, 48px);
  line-height: 1;
  margin-bottom: clamp(62px, 6vw, 96px);
}

.service-card h3 {
  font-size: clamp(17px, 1.18vw, 22px);
  line-height: 1.14;
  margin-bottom: 18px;
}

.service-card p {
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(13px, 0.9vw, 15px);
  line-height: 1.5;
}

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

.approach-copy {
  position: sticky;
  top: 108px;
}

.approach-copy p {
  color: rgba(255, 255, 255, 0.72);
}

.process-list {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  counter-reset: steps;
  list-style: none;
  margin: 0;
  padding: 0;
}

.process-list li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  counter-increment: steps;
  display: grid;
  gap: 20px;
  grid-template-columns: 88px minmax(0, 0.8fr) minmax(0, 1fr);
  padding: 30px 0;
}

.process-list li::before {
  color: var(--gold);
  content: "0" counter(steps);
  font-family: var(--display);
  font-size: 40px;
  line-height: 1;
}

.process-list strong {
  font-size: 19px;
  line-height: 1.25;
}

.process-list span {
  color: rgba(255, 255, 255, 0.68);
}

.engagements-section {
  background: var(--smoke);
  overflow: hidden;
  position: relative;
}

.engagements-section::before,
.engagements-section::after {
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  content: "";
  opacity: 0.12;
  pointer-events: none;
  position: absolute;
  z-index: 0;
}

.engagements-section::before {
  background-image: url("assets/supply-route.svg");
  height: 360px;
  right: -86px;
  top: 48px;
  width: 520px;
}

.engagements-section::after {
  background-image: url("assets/sourcing-grid.svg");
  bottom: -130px;
  height: 440px;
  left: -120px;
  width: 440px;
}

.engagement-layout,
.engagement-grid {
  position: relative;
  z-index: 1;
}

.engagement-layout {
  align-items: start;
  display: grid;
  gap: clamp(28px, 3vw, 44px);
  grid-template-columns: minmax(0, 1.7fr) minmax(300px, 1fr);
}

.engagement-label {
  border-bottom: 4px solid var(--gold);
  margin-bottom: 18px;
}

.engagement-label .eyebrow {
  font-family: var(--display);
  font-size: clamp(30px, 3vw, 48px);
  font-weight: 400;
  line-height: 1;
  margin-bottom: 10px;
}

.engagement-title-panel h2 {
  color: var(--ink);
  font-size: clamp(58px, 5.9vw, 116px);
  line-height: 0.91;
  margin: 0;
}

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

.engagement-card {
  background: var(--charcoal);
  color: var(--paper);
  min-height: clamp(390px, 36vw, 590px);
  padding: clamp(26px, 2.4vw, 40px);
  transition: background 180ms ease, transform 180ms ease;
}

.engagement-card:nth-child(even) {
  background: #242424;
}

.engagement-card:hover {
  background: #101f20;
  transform: translateY(-8px);
}

.engagement-card span {
  color: var(--gold);
  display: block;
  font-family: var(--display);
  font-size: clamp(34px, 3vw, 48px);
  line-height: 1;
  margin-bottom: clamp(62px, 6vw, 96px);
}

.engagement-grid h3 {
  color: var(--paper);
  font-size: clamp(17px, 1.18vw, 22px);
  line-height: 1.14;
  margin-bottom: 14px;
}

.engagement-grid p,
.engagement-grid li {
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(13px, 0.9vw, 15px);
  line-height: 1.5;
}

.engagement-grid ul {
  margin: 22px 0 0;
  padding-left: 20px;
}

.proof-section {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
}

.proof-list {
  display: grid;
  gap: 16px;
}

.proof-list p {
  border-left: 4px solid var(--teal);
  color: var(--steel);
  font-size: 19px;
  font-weight: 700;
  margin: 0;
  padding: 8px 0 8px 20px;
}

.contact-section {
  background: var(--ink);
  color: var(--paper);
}

.contact-copy p {
  color: rgba(255, 255, 255, 0.72);
}

.contact-details {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  display: grid;
  gap: 12px;
  margin-top: 32px;
  padding-top: 24px;
}

.contact-details p {
  color: var(--paper);
  font-size: 18px;
  margin: 0;
}

.contact-details strong {
  color: var(--gold);
  display: block;
  font-size: 12px;
  margin-bottom: 2px;
  text-transform: uppercase;
}

.contact-details a:hover {
  color: var(--gold);
}

.contact-form {
  background: var(--paper);
  color: var(--ink);
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: clamp(22px, 4vw, 42px);
}

.contact-form label {
  color: var(--steel);
  display: grid;
  font-size: 13px;
  font-weight: 800;
  gap: 8px;
  text-transform: uppercase;
}

.contact-form .full {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--ink);
  font: inherit;
  min-height: 48px;
  padding: 12px 14px;
  width: 100%;
}

textarea {
  resize: vertical;
}

.captcha-field {
  position: relative;
}

.captcha-prompt {
  color: var(--ink);
  font-size: 16px;
  font-weight: 800;
  text-transform: none;
}

.captcha-error {
  color: #b3261e;
  font-size: 13px;
  min-height: 18px;
  text-transform: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--gold);
  outline: 3px solid rgba(217, 167, 41, 0.24);
}

.site-footer {
  align-items: center;
  background: #050505;
  color: rgba(255, 255, 255, 0.68);
  display: grid;
  gap: 20px;
  grid-template-columns: 190px minmax(0, 1fr) auto;
  padding: 28px clamp(20px, 4vw, 64px);
}

.site-footer img {
  width: 180px;
}

.site-footer p {
  margin: 0;
}

.site-footer span {
  white-space: nowrap;
}

@media (max-width: 1180px) {
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-card {
    min-height: 360px;
  }

  .services-layout {
    grid-template-columns: 1fr;
  }

  .engagement-layout {
    grid-template-columns: 1fr;
  }

  .services-title-panel {
    order: -1;
  }

  .engagement-title-panel {
    order: -1;
  }

  .services-title-panel h2 {
    max-width: 900px;
  }

  .engagement-title-panel h2 {
    max-width: 900px;
  }

  .hero-metrics {
    margin-top: 48px;
    position: relative;
    right: auto;
    width: 100%;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    align-items: stretch;
    background: rgba(8, 8, 8, 0.98);
    bottom: 0;
    flex-direction: column;
    font-size: 22px;
    justify-content: center;
    left: 0;
    opacity: 0;
    padding: 88px 28px 28px;
    pointer-events: none;
    position: fixed;
    right: 0;
    top: 0;
    transform: translateY(-12px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .intro-grid,
  .story-section,
  .services-layout,
  .engagement-layout,
  .approach-section,
  .proof-section,
  .contact-section,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .story-principles {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .voice-grid {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .story-mark {
    line-height: 0.6;
  }

  .approach-copy {
    position: static;
  }

  .process-list li {
    grid-template-columns: 68px 1fr;
  }

  .process-list li span {
    grid-column: 2;
  }

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

  .hero {
    min-height: auto;
  }

  .hero-visual {
    height: auto;
    margin-top: 40px;
    position: relative;
    right: auto;
    top: auto;
    width: 100%;
  }

  .hero-visual img {
    aspect-ratio: 16 / 9;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

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

  .site-footer span {
    white-space: normal;
  }
}

@media (max-width: 620px) {
  .hero {
    padding-top: 112px;
  }

  .brand {
    width: 148px;
  }

  .hero-media {
    background-position: center top;
    background-size: 230%;
  }

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

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

  .service-card span {
    margin-bottom: 42px;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .button,
  .nav-cta {
    width: 100%;
  }
}