:root {
  --ink: #101828;
  --muted: #526070;
  --line: #dbe3ea;
  --paper: #f7f9fb;
  --white: #ffffff;
  --navy: #10233f;
  --blue: #1b5f8f;
  --teal: #137c72;
  --amber: #c88b2d;
  --cranberry: #8a3246;
  --shadow: 0 22px 60px rgba(16, 35, 63, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

body.nav-open {
  overflow: hidden;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 64px);
  color: var(--white);
  transition: background 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.site-header.is-scrolled,
body.nav-open .site-header {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 36px rgba(16, 35, 63, 0.12);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 8px;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  margin-top: 2px;
  color: currentColor;
  opacity: 0.72;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.5vw, 34px);
  font-size: 0.92rem;
  font-weight: 700;
}

.site-nav a {
  opacity: 0.86;
}

.site-nav a:hover {
  opacity: 1;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid currentColor;
  border-radius: 8px;
  color: inherit;
  background: transparent;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(10, 24, 43, 0.92), rgba(10, 24, 43, 0.72) 45%, rgba(10, 24, 43, 0.28)),
    linear-gradient(0deg, rgba(10, 24, 43, 0.82), rgba(10, 24, 43, 0.02) 42%);
}

.hero-content {
  position: relative;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 150px 0 52px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 890px;
  margin-bottom: 22px;
  font-size: clamp(3.1rem, 8vw, 6.8rem);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4.8vw, 4.1rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.1rem;
  line-height: 1.25;
}

p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-copy {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.12rem;
}

.hero-actions,
.contact-lines {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
}

.button.primary {
  color: var(--white);
  background: var(--teal);
}

.button.primary:hover {
  background: #0f685f;
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.48);
  background: rgba(255, 255, 255, 0.1);
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 930px;
  margin: 54px 0 0;
}

.hero-proof div {
  min-height: 136px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
}

.hero-proof dt {
  font-size: 2.4rem;
  font-weight: 800;
}

.hero-proof dd {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.45;
}

.band,
.section,
.split-section,
.dark-section,
.contact-section {
  padding: clamp(70px, 9vw, 124px) clamp(20px, 5vw, 64px);
}

.section-heading {
  max-width: 760px;
}

.section-heading.wide {
  max-width: 920px;
}

.pressure {
  background: var(--white);
}

.pressure-grid,
.service-grid,
.engagement-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  width: min(1180px, 100%);
  margin-top: 40px;
}

.pressure-grid article,
.service-card,
.engagement-grid article,
.leader-grid article,
.sector-list article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 1px 0 rgba(16, 35, 63, 0.04);
}

.pressure-grid article {
  padding: 28px;
}

.metric {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--cranberry);
  font-size: 2.15rem;
  font-weight: 800;
}

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

.service-card {
  padding: 30px;
}

.service-card span {
  display: inline-flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  border-radius: 8px;
  color: var(--white);
  background: var(--blue);
  font-weight: 800;
}

.service-card:nth-child(2) span {
  background: var(--teal);
}

.service-card:nth-child(3) span {
  background: var(--cranberry);
}

ul {
  margin: 20px 0 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.8;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(320px, 1.15fr);
  gap: clamp(30px, 6vw, 80px);
  align-items: start;
  background: var(--white);
}

.split-copy {
  position: sticky;
  top: 110px;
  max-width: 580px;
}

.sector-list,
.leader-grid {
  display: grid;
  gap: 16px;
}

.sector-list article,
.leader-grid article {
  padding: 26px;
}

.dark-section {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(19, 124, 114, 0.22), transparent 35%),
    linear-gradient(180deg, var(--navy), #0b1423);
}

.dark-section p {
  color: rgba(255, 255, 255, 0.74);
}

.fusion-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 42px;
}

.fusion-flow article {
  min-height: 190px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.fusion-flow span {
  display: block;
  margin-bottom: 22px;
  color: #77d8cf;
  font-weight: 800;
}

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

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  max-width: 1180px;
  margin: 44px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.steps li {
  min-height: 235px;
  padding: 28px;
  border-right: 1px solid var(--line);
  counter-increment: step;
}

.steps li:last-child {
  border-right: 0;
}

.steps li::before {
  content: "0" counter(step);
  display: block;
  margin-bottom: 46px;
  color: var(--teal);
  font-weight: 800;
}

.steps strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.leadership {
  background: var(--paper);
}

.role {
  margin-bottom: 10px;
  color: var(--cranberry);
  font-weight: 800;
}

.engagement {
  background: var(--white);
}

.engagement-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.engagement-grid article {
  min-height: 225px;
  padding: 26px;
  border-top: 4px solid var(--amber);
}

.engagement-grid article:nth-child(2) {
  border-top-color: var(--teal);
}

.engagement-grid article:nth-child(3) {
  border-top-color: var(--blue);
}

.engagement-grid article:nth-child(4) {
  border-top-color: var(--cranberry);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(28px, 6vw, 86px);
  color: var(--white);
  background: var(--navy);
}

.contact-section h2 {
  max-width: 720px;
}

.contact-section p {
  max-width: 640px;
  color: rgba(255, 255, 255, 0.74);
}

.contact-lines a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 0 13px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 700;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  font: inherit;
}

select option {
  color: var(--ink);
}

textarea {
  resize: vertical;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding: 28px clamp(20px, 5vw, 64px);
  color: rgba(255, 255, 255, 0.72);
  background: #07101c;
}

.site-footer p {
  margin: 0;
  color: inherit;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 78px 16px auto 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    background: var(--white);
    box-shadow: var(--shadow);
  }

  body.nav-open .site-nav {
    display: flex;
  }

  .site-nav a {
    padding: 16px;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-proof,
  .pressure-grid,
  .service-grid,
  .fusion-flow,
  .steps,
  .engagement-grid,
  .split-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .split-copy {
    position: static;
  }

  .steps {
    border: 1px solid var(--line);
  }

  .steps li {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .steps li:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 14px 16px;
  }

  .brand {
    min-width: 0;
  }

  .brand strong {
    font-size: 0.9rem;
  }

  .brand small {
    font-size: 0.72rem;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .hero-content {
    width: min(100% - 32px, 1180px);
    padding-top: 116px;
  }

  h1 {
    font-size: 3.25rem;
  }

  h2 {
    font-size: 2.2rem;
  }

  .button {
    width: 100%;
  }

  .hero-proof div,
  .pressure-grid article,
  .service-card,
  .sector-list article,
  .leader-grid article,
  .engagement-grid article,
  .contact-form {
    padding: 22px;
  }
}