:root {
  --navy: #061427;
  --navy-2: #102a43;
  --steel: #425466;
  --gold: #d6a21e;
  --gold-2: #f0c24b;
  --green: #1f7a62;
  --ink: #13202f;
  --muted: #667085;
  --line: #dce4ee;
  --soft: #f5f7fb;
  --white: #ffffff;
  --shadow: 0 26px 80px rgba(6, 20, 39, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

.site-header {
  position: fixed;
  z-index: 50;
  top: 16px;
  left: 50%;
  width: min(1180px, calc(100% - 32px));
  height: 76px;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 10px 14px 10px 18px;
  transform: translateX(-50%);
  color: var(--white);
  background: rgba(6, 20, 39, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(18px);
}

.brand img {
  width: 290px;
  height: 54px;
  object-fit: contain;
  object-position: left center;
  padding: 5px 8px;
  border-radius: 12px;
  background: var(--white);
}

.nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  font-weight: 800;
}

.nav a {
  color: rgba(255, 255, 255, 0.82);
}

.nav a:hover {
  color: var(--gold-2);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 999px;
  padding: 0 20px;
  font-weight: 900;
  white-space: nowrap;
}

.header-cta,
.button.primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  color: var(--navy);
  box-shadow: 0 12px 34px rgba(214, 162, 30, 0.28);
}

.button.secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.12);
}

.menu-button {
  display: none;
  border: 0;
  background: transparent;
  padding: 8px;
}

.menu-button span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px 0;
  background: var(--white);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-content: end;
  padding: 148px 48px 44px;
  overflow: hidden;
  color: var(--white);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 22%, rgba(214, 162, 30, 0.24), transparent 28%),
    linear-gradient(90deg, rgba(6, 20, 39, 0.94), rgba(6, 20, 39, 0.72) 46%, rgba(6, 20, 39, 0.3)),
    url("assets/construction-collage.png") center / cover;
  transform: scale(1.04);
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 170px;
  background: linear-gradient(0deg, rgba(6, 20, 39, 0.92), transparent);
}

.hero-shell {
  position: relative;
  z-index: 1;
  width: min(980px, 100%);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--gold-2);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 920px;
  margin-bottom: 22px;
  font-size: clamp(44px, 7vw, 88px);
  line-height: 0.96;
}

h2 {
  margin-bottom: 18px;
  color: var(--navy);
  font-size: clamp(32px, 4.5vw, 58px);
  line-height: 1.02;
}

h3 {
  margin-bottom: 10px;
  color: var(--navy);
  font-size: 21px;
}

.hero-copy {
  max-width: 770px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 20px;
  line-height: 1.58;
}

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

.hero-strip {
  position: relative;
  z-index: 1;
  width: min(1180px, 100%);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 68px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow);
}

.hero-strip div {
  padding: 26px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--navy);
}

.hero-strip strong {
  display: block;
  font-size: 38px;
  line-height: 1;
}

.hero-strip span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-weight: 800;
}

.section {
  padding: 96px 48px;
}

.section-title {
  max-width: 790px;
  margin-bottom: 38px;
}

.section-title.centered {
  margin-inline: auto;
  text-align: center;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 44px;
  align-items: start;
  background: var(--white);
}

.intro-lead,
.intro-copy,
.service-grid,
.region-grid,
.process-grid,
.logo-wall,
.contact-card,
.capability,
.gallery {
  max-width: 1180px;
  margin-inline: auto;
}

.intro-copy p {
  color: var(--steel);
  font-size: 19px;
  line-height: 1.75;
}

.credentials,
.work-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.credentials span,
.work-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  color: var(--navy);
  background: #eef4f8;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
}

.services,
.projects,
.process {
  background: var(--soft);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-grid article,
.region-grid article,
.process-grid article {
  position: relative;
  min-height: 222px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 16px 44px rgba(16, 42, 67, 0.06);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease, border-color 0.25s ease;
}

.service-grid article::before,
.region-grid article::before,
.process-grid article::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(180deg, var(--gold), var(--green));
}

.service-grid article:hover,
.region-grid article:hover,
.process-grid article:hover {
  border-color: rgba(214, 162, 30, 0.55);
  transform: translateY(-4px);
}

.service-grid article.in-view,
.region-grid article.in-view,
.process-grid article.in-view,
.logo-wall figure.in-view {
  opacity: 1;
  transform: translateY(0);
}

.service-grid span,
.process-grid strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 22px;
  color: var(--navy);
  background: #fff3cb;
  border-radius: 14px;
  font-weight: 900;
}

.service-grid p,
.region-grid p,
.process-grid p,
.capability-copy p,
.contact-card p {
  color: var(--muted);
  line-height: 1.65;
}

.capability {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 46px;
  align-items: center;
}

.capability-image img {
  width: 100%;
  aspect-ratio: 1.22 / 1;
  object-fit: cover;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.capability-copy p {
  font-size: 18px;
}

.region-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.region-grid article {
  min-height: 230px;
}

.gallery {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 36px;
  align-items: center;
}

.gallery-copy {
  max-width: 430px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  grid-auto-rows: 170px;
  gap: 12px;
}

.gallery-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 14px 36px rgba(16, 42, 67, 0.12);
}

.gallery-grid img:first-child {
  grid-row: span 2;
}

.clients {
  background: #fbfcfe;
}

.logo-wall {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.logo-wall figure {
  min-height: 116px;
  display: grid;
  place-items: center;
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--white);
  box-shadow: 0 12px 30px rgba(16, 42, 67, 0.055);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.logo-wall img {
  max-width: 92%;
  max-height: 76px;
  object-fit: contain;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.contact {
  background:
    linear-gradient(135deg, rgba(6, 20, 39, 0.96), rgba(16, 42, 67, 0.94)),
    url("assets/work/img_2.png") center / cover;
}

.contact-card {
  display: grid;
  grid-template-columns: 1fr 0.95fr;
  gap: 32px;
  padding: 42px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 24px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.contact-card h2 {
  color: var(--white);
}

.contact-card p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.contact-details {
  display: grid;
  gap: 10px;
}

.contact-details a,
.contact-details span {
  display: block;
  padding: 14px 16px;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.09);
  font-weight: 850;
}

.contact-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer img {
  width: 250px;
  height: 52px;
  object-fit: contain;
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.footer a {
  color: var(--navy);
  font-weight: 900;
}

@media (max-width: 1080px) {
  .nav {
    gap: 14px;
  }

  .brand img {
    width: 238px;
  }

  .region-grid,
  .process-grid,
  .logo-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .site-header {
    top: 10px;
    width: calc(100% - 20px);
  }

  .brand img {
    width: 178px;
  }

  .nav,
  .header-cta {
    display: none;
  }

  .menu-button {
    display: block;
    margin-left: auto;
  }

  .nav.open {
    position: fixed;
    top: 86px;
    left: 10px;
    right: 10px;
    display: grid;
    gap: 0;
    padding: 12px;
    border-radius: 16px;
    background: rgba(6, 20, 39, 0.96);
  }

  .nav.open a {
    padding: 14px;
  }

  .hero {
    min-height: 880px;
    padding: 130px 22px 34px;
  }

  .hero-shell {
    max-width: 100%;
  }

  h1 {
    font-size: 52px;
    line-height: 1;
  }

  .hero-copy {
    max-width: 100%;
    font-size: 18px;
  }

  .hero-strip,
  .intro,
  .service-grid,
  .capability,
  .region-grid,
  .gallery,
  .process-grid,
  .contact-card,
  .logo-wall {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 74px 22px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 220px;
  }

  .gallery-grid img:first-child {
    grid-row: span 1;
  }

  .contact-card {
    padding: 28px;
  }

  .footer {
    flex-direction: column;
    text-align: center;
    padding: 28px 22px;
  }
}

@media (max-width: 600px) {
  .brand img {
    width: 176px;
    height: 52px;
  }

  .site-header {
    height: 76px;
    padding-inline: 12px;
  }

  .hero {
    min-height: 920px;
    padding-top: 124px;
  }

  .eyebrow {
    font-size: 10.5px;
    line-height: 1.5;
  }

  h1 {
    font-size: 38px;
    line-height: 1.06;
  }

  .hero-copy {
    font-size: 16.5px;
    line-height: 1.55;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: min(100%, 320px);
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-strip div {
    padding: 22px;
  }

  .contact-details a,
  .contact-details span {
    overflow-wrap: anywhere;
  }
}