:root {
  --blue: #00528f;
  --blue-dark: #073052;
  --ink: #17212b;
  --muted: #62717f;
  --line: #d8e0e7;
  --soft: #eef3f7;
  --white: #fff;
  --steel: #8b949e;
  font-family: Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 14px clamp(18px, 4vw, 64px);
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand img {
  width: 235px;
  height: auto;
}

nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #283847;
  font-size: 15px;
}

nav a {
  text-decoration: none;
}

nav a:hover {
  color: var(--blue);
}

.hero {
  position: relative;
  min-height: 680px;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: #101820;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
}

.hero-shade {
  background: linear-gradient(90deg, rgba(7, 18, 30, .90) 0%, rgba(7, 18, 30, .66) 34%, rgba(7, 18, 30, .16) 72%);
}

.hero-content {
  position: relative;
  width: min(680px, calc(100% - 36px));
  margin-left: clamp(18px, 7vw, 96px);
  padding: 86px 0;
  color: white;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow,
.light .eyebrow {
  color: #78b9ee;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: .98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 23px;
  line-height: 1.15;
  letter-spacing: 0;
}

p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.62;
}

.hero p {
  color: rgba(255, 255, 255, .82);
}

.lead {
  max-width: 620px;
  font-size: 21px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-weight: 700;
  text-decoration: none;
}

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

.button.secondary {
  border-color: rgba(255, 255, 255, .5);
  color: white;
}

section {
  padding: 92px clamp(18px, 5vw, 76px);
}

.band {
  background: var(--soft);
}

.section-head {
  max-width: 860px;
  margin-bottom: 34px;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  gap: 42px;
  align-items: start;
}

.facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.facts span {
  min-height: 72px;
  display: flex;
  align-items: center;
  padding: 18px;
  background: white;
  border-left: 4px solid var(--blue);
  font-weight: 700;
  color: #263747;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.service-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: white;
}

.service-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.service-card div {
  padding: 24px;
}

.project-band {
  color: white;
  background: linear-gradient(135deg, #0b2033, #143b5c 52%, #0a2338);
}

.project-band p {
  color: rgba(255, 255, 255, .72);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, .2);
}

.project-grid article {
  min-height: 240px;
  padding: 26px;
  background: rgba(255, 255, 255, .06);
}

.project-grid h3 {
  color: white;
}

.split {
  display: grid;
  grid-template-columns: minmax(280px, .9fr) minmax(0, 1.1fr);
  gap: 58px;
  align-items: center;
}

.portrait img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  object-position: 50% 34%;
  border-radius: 8px;
}

.copy {
  max-width: 720px;
}

.check-list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  padding: 13px 0 13px 32px;
  border-top: 1px solid var(--line);
  color: #263747;
  position: relative;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 12px;
  height: 12px;
  background: var(--blue);
}

.region p {
  max-width: 880px;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  gap: 48px;
  color: white;
  background: #121a22;
}

.contact p {
  color: rgba(255, 255, 255, .74);
}

address {
  align-self: start;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 8px;
  font-style: normal;
  line-height: 1.7;
  background: rgba(255, 255, 255, .06);
}

address a {
  color: white;
  text-decoration-color: #78b9ee;
  text-underline-offset: 4px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  padding: 26px clamp(18px, 5vw, 76px);
  color: #5d6b77;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.site-footer a {
  text-decoration-color: #b7c3ce;
  text-underline-offset: 4px;
}

.page-title {
  padding-top: 92px;
  padding-bottom: 70px;
}

.page-title h1 {
  max-width: 980px;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.legal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.legal-grid > div {
  padding: 24px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.legal h3 {
  margin-top: 0;
  font-size: 19px;
}

.legal p {
  font-size: 16px;
}

.legal a {
  color: var(--blue);
  text-underline-offset: 4px;
}

.legal-copy {
  max-width: 980px;
  margin-top: 52px;
}

.legal-copy h2 {
  margin-top: 34px;
  font-size: 28px;
}

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

  nav {
    width: 100%;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero {
    min-height: 620px;
  }

  .hero-shade {
    background: linear-gradient(90deg, rgba(7, 18, 30, .92), rgba(7, 18, 30, .56));
  }

  .intro-grid,
  .service-grid,
  .project-grid,
  .split,
  .contact,
  .legal-grid {
    grid-template-columns: 1fr;
  }

  .project-grid {
    background: transparent;
    gap: 12px;
  }

  .project-grid article {
    min-height: auto;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 8px;
  }
}

@media (max-width: 560px) {
  .brand img {
    width: 178px;
  }

  nav {
    font-size: 14px;
  }

  .hero {
    min-height: 590px;
  }

  .hero-content {
    width: calc(100% - 32px);
    margin-left: 16px;
  }

  h1 {
    font-size: 40px;
  }

  .page-title h1 {
    font-size: 34px;
    line-height: 1.08;
  }

  h2 {
    font-size: 31px;
  }

  p,
  .lead {
    font-size: 17px;
  }

  section {
    padding-top: 66px;
    padding-bottom: 66px;
  }

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