:root {
  --navy: #061947;
  --navy-deep: #03102e;
  --blue: #123c86;
  --steel: #69717e;
  --mist: #eef1f5;
  --line: #d6dbe2;
  --white: #ffffff;
  --ink: #111827;
  --accent: #e5a323;
  --max-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

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

button,
input,
textarea {
  font: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  padding: 0 max(28px, calc((100vw - var(--max-width)) / 2));
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--white);
  background: var(--navy-deep);
}

.brand {
  display: flex;
  flex-direction: column;
  min-width: 260px;
  line-height: 1;
}

.brand-name {
  letter-spacing: -2px;
  font-size: 28px;
  font-weight: 800;
}

.brand-name strong {
  color: #b8c7ea;
}

.brand-name i {
  padding: 0 4px;
  color: var(--accent);
  font-style: normal;
}

.brand-tagline {
  margin-top: 7px;
  color: #a9b1bf;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 2.1px;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 27px;
  font-size: 13px;
  font-weight: 700;
}

.main-nav > a {
  position: relative;
  padding: 34px 0;
}

.main-nav > a::after {
  position: absolute;
  right: 0;
  bottom: 24px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.main-nav > a:hover::after,
.main-nav > a:focus-visible::after {
  transform: scaleX(1);
}

.languages {
  display: flex;
  gap: 3px;
  padding-left: 8px;
  border-left: 1px solid #3b455c;
}

.languages a {
  padding: 6px;
  color: #7f899b;
  background: transparent;
  font-size: 11px;
  font-weight: 800;
}

.languages a.active {
  color: var(--white);
}

.menu-toggle {
  display: none;
  width: 42px;
  padding: 8px;
  border: 0;
  background: transparent;
}

.menu-toggle > span:not(.sr-only) {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--white);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  min-height: calc(100vh - 86px);
  overflow: hidden;
  padding: 90px max(28px, calc((100vw - var(--max-width)) / 2));
  color: var(--white);
  background:
    radial-gradient(circle at 75% 30%, rgba(39, 82, 154, 0.55), transparent 30%),
    linear-gradient(120deg, var(--navy-deep) 0%, var(--navy) 58%, #0c2e68 100%);
}

.hero::before {
  position: absolute;
  top: -20%;
  right: 18%;
  width: 280px;
  height: 145%;
  content: "";
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  transform: skewX(-22deg);
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.24;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to right, transparent 42%, black);
}

.hero-content {
  position: relative;
  z-index: 1;
  align-self: center;
  max-width: 880px;
}

.eyebrow,
.section-label {
  margin: 0 0 22px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2.5px;
  text-transform: uppercase;
}

.eyebrow {
  color: #b9c7df;
}

.eyebrow::before,
.section-label::before {
  display: inline-block;
  width: 34px;
  height: 2px;
  margin: 0 12px 3px 0;
  content: "";
  background: var(--accent);
}

.section-label.light {
  color: #b9c7df;
}

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

h1 {
  max-width: 900px;
  margin-bottom: 30px;
  font-size: clamp(50px, 6.5vw, 92px);
  line-height: 0.98;
  letter-spacing: -4px;
}

h1 span {
  color: #93a4c3;
}

.hero-lead {
  max-width: 680px;
  margin-bottom: 38px;
  color: #d1d8e4;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
}

.button-primary {
  color: var(--navy-deep);
  background: var(--accent);
}

.button-primary:hover {
  background: #f1b139;
}

.text-link {
  font-size: 13px;
  font-weight: 800;
}

.text-link span {
  padding-left: 8px;
  color: var(--accent);
  font-size: 20px;
}

.hero-panel {
  position: relative;
  z-index: 1;
  align-self: end;
  margin-bottom: 10px;
  padding: 22px 0 0 28px;
  border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.hero-panel p {
  margin-bottom: 24px;
  color: #d7deea;
  font-size: 13px;
  text-transform: uppercase;
}

.panel-number {
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
}

.section {
  padding: 110px max(28px, calc((100vw - var(--max-width)) / 2));
}

.intro-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px 100px;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(36px, 4.2vw, 62px);
  line-height: 1.05;
  letter-spacing: -2.4px;
}

.intro-copy {
  max-width: 620px;
  padding-top: 43px;
  color: #4b5563;
  font-size: 18px;
}

.facts {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 28px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.fact {
  padding: 32px 26px;
  border-right: 1px solid var(--line);
}

.fact:last-child {
  border-right: 0;
}

.fact strong,
.fact span {
  display: block;
}

.fact strong {
  color: var(--navy);
  font-size: 36px;
  letter-spacing: -1px;
}

.fact span {
  color: var(--steel);
  font-size: 13px;
}

.services-section {
  color: var(--white);
  background: var(--navy-deep);
}

.section-heading {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 80px;
  align-items: end;
  margin-bottom: 70px;
}

.section-heading > p {
  max-width: 480px;
  margin-bottom: 5px;
  color: #aeb9cb;
}

.service-list {
  border-top: 1px solid #34405a;
}

.service {
  display: grid;
  grid-template-columns: 70px 0.8fr 1.2fr;
  gap: 25px;
  align-items: center;
  padding: 34px 0;
  border-bottom: 1px solid #34405a;
  transition: padding 180ms ease, background 180ms ease;
}

.service:hover {
  padding-right: 18px;
  padding-left: 18px;
  background: #0b204b;
}

.service > span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.service h3 {
  margin-bottom: 0;
  font-size: 24px;
}

.service p {
  margin-bottom: 0;
  color: #aeb9cb;
}

.projects-section {
  background: var(--mist);
}

.dark-heading > p {
  color: #5f6977;
}

.project-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.75fr);
  margin-bottom: 22px;
  overflow: hidden;
  color: var(--white);
  background: var(--navy-deep);
}

.project-feature-main {
  position: relative;
  min-height: 520px;
  padding: 0;
  border: 0;
  overflow: hidden;
  color: var(--white);
  background: #12213c;
  cursor: zoom-in;
}

.project-feature-main::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, transparent 60%, rgba(3, 16, 46, 0.38));
  pointer-events: none;
}

.project-feature-main img,
.project-gallery img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 300ms ease;
}

.project-feature-main:hover img,
.project-gallery button:hover img {
  transform: scale(1.025);
}

.photo-action {
  position: absolute;
  z-index: 1;
  right: 22px;
  bottom: 20px;
  padding: 7px 10px;
  color: var(--white);
  background: rgba(3, 16, 46, 0.78);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.project-feature-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 42px;
}

.project-feature-copy .project-status {
  margin-bottom: 46px;
}

.project-feature-copy > p:not(.project-description) {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.project-feature-copy h3 {
  margin: 0 0 20px;
  font-size: 38px;
  line-height: 1.08;
}

.project-description {
  margin: 0 0 24px;
  color: #c6cfde;
  font-size: 15px;
}

.project-gallery {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--navy-deep);
}

.project-gallery button {
  height: 180px;
  padding: 0;
  border: 0;
  overflow: hidden;
  background: #12213c;
  cursor: zoom-in;
}

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

.project-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 390px;
  padding: 28px;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.06) 40% 43%, transparent 43%),
    linear-gradient(145deg, #152d57, #071735);
}

.project-card-main {
  grid-row: span 2;
  min-height: 520px;
  background:
    linear-gradient(45deg, transparent 47%, rgba(255, 255, 255, 0.08) 47% 49%, transparent 49%),
    radial-gradient(circle at 75% 25%, #28508b, transparent 35%),
    linear-gradient(145deg, #132b54, #06132e);
}

.project-status {
  align-self: flex-start;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.3px;
  text-transform: uppercase;
}

.project-card p {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.project-card h3 {
  max-width: 520px;
  margin-bottom: 14px;
  font-size: 28px;
  line-height: 1.15;
}

.project-role {
  display: block;
  color: #b9c7df;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.reference-projects {
  margin-top: 70px;
}

.reference-projects-heading {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 28px;
}

.reference-projects-heading h3 {
  margin: 0;
  color: var(--navy-deep);
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.1;
}

.reference-projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding: 1px;
  background: #34405a;
}

.reference-project {
  min-height: 180px;
  padding: 26px;
  background: var(--navy-deep);
}

.reference-project span {
  display: block;
  margin-bottom: 32px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.3px;
  text-transform: uppercase;
}

.reference-project h4 {
  margin: 0;
  color: var(--white);
  font-size: 18px;
  line-height: 1.35;
}

.photo-lightbox {
  width: min(1100px, calc(100vw - 48px));
  max-width: none;
  padding: 0;
  border: 0;
  overflow: visible;
  background: transparent;
}

.photo-lightbox::backdrop {
  background: rgba(1, 7, 20, 0.92);
}

.photo-lightbox img {
  display: block;
  width: 100%;
  max-height: calc(100vh - 80px);
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  z-index: 2;
  top: -42px;
  right: 0;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: var(--white);
  background: rgba(3, 16, 46, 0.8);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

.safety-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
}

.safety-copy {
  padding-top: 45px;
  color: #4b5563;
  font-size: 17px;
}

.qualification-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 35px 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.qualification-grid > div {
  min-height: 118px;
  padding: 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.qualification-grid > .qualification-wide {
  grid-column: 1 / -1;
}

.qualification-grid strong,
.qualification-grid span {
  display: block;
}

.qualification-grid strong {
  margin-bottom: 7px;
  color: var(--navy);
  font-size: 17px;
}

.qualification-grid span {
  color: #5f6977;
  font-size: 13px;
}

.safety-copy ul {
  padding: 0;
  margin: 35px 0;
  list-style: none;
}

.safety-copy li {
  position: relative;
  padding: 17px 0 17px 32px;
  border-top: 1px solid var(--line);
}

.safety-copy li:last-child {
  border-bottom: 1px solid var(--line);
}

.safety-copy li::before {
  position: absolute;
  left: 4px;
  content: "✓";
  color: var(--blue);
  font-weight: 800;
}

.content-note {
  color: #7a8492;
  font-size: 12px;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 760px);
  gap: 0;
  padding: 110px max(28px, calc((100vw - var(--max-width)) / 2));
  color: var(--white);
  background: var(--navy);
}

.contact-copy > p:not(.section-label) {
  max-width: 540px;
  margin: 28px 0 40px;
  color: #c0ccdf;
  font-size: 17px;
}

.company-details {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: #c0ccdf;
  font-size: 14px;
}

.company-details strong {
  margin-bottom: 5px;
  color: var(--white);
}

.company-details a {
  width: fit-content;
  color: var(--white);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.35);
  text-underline-offset: 4px;
}

.company-details a:hover {
  text-decoration-color: var(--accent);
}

.button-light {
  color: var(--white);
  background: var(--navy);
}

.footer-legal a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 30px;
  align-items: center;
  padding: 28px max(28px, calc((100vw - var(--max-width)) / 2));
  color: #919aab;
  background: var(--navy-deep);
  font-size: 11px;
}

.site-footer p {
  margin-bottom: 0;
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-legal a:hover {
  color: var(--white);
}

.footer-brand {
  color: var(--white);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -1px;
}

.privacy-main {
  min-height: calc(100vh - 86px);
  padding: 90px max(28px, calc((100vw - 920px) / 2)) 110px;
  background: var(--mist);
}

.privacy-header {
  margin-bottom: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}

.privacy-header h1 {
  max-width: none;
  margin-bottom: 22px;
  color: var(--navy-deep);
  font-size: clamp(44px, 6vw, 72px);
  line-height: 1;
}

.privacy-header > p:not(.section-label) {
  max-width: 700px;
  margin-bottom: 0;
  color: #5f6977;
  font-size: 17px;
}

.privacy-content {
  color: #4b5563;
  font-size: 16px;
}

.privacy-content section {
  margin-bottom: 44px;
}

.privacy-content h2 {
  margin-bottom: 18px;
  color: var(--navy);
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: -0.6px;
}

.privacy-content h3 {
  margin: 28px 0 10px;
  color: var(--navy);
  font-size: 19px;
}

.privacy-content ul {
  padding-left: 22px;
}

.privacy-content li {
  margin-bottom: 9px;
}

.privacy-content a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.privacy-note {
  padding: 22px;
  border-left: 3px solid var(--accent);
  background: var(--white);
}

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

  .main-nav {
    position: absolute;
    top: 86px;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 18px 28px 28px;
    background: var(--navy-deep);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav.privacy-nav {
    position: static;
    display: flex;
    width: auto;
    flex-direction: row;
    gap: 22px;
    padding: 0;
    background: transparent;
  }

  .main-nav.privacy-nav > a {
    width: auto;
    padding: 13px 0;
    border-bottom: 0;
  }

  .main-nav > a {
    width: 100%;
    padding: 13px 0;
    border-bottom: 1px solid #26324b;
  }

  .main-nav > a::after {
    display: none;
  }

  .languages {
    margin-top: 16px;
    padding-left: 0;
    border-left: 0;
  }

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

  .hero-panel {
    display: none;
  }

  .intro-section,
  .safety-section,
  .contact-section {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .intro-copy,
  .safety-copy {
    padding-top: 0;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .service {
    grid-template-columns: 50px 1fr;
  }

  .service p {
    grid-column: 2;
  }

  .projects-placeholder {
    grid-template-columns: 1fr;
  }

  .reference-projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-feature {
    grid-template-columns: 1fr;
  }

  .project-feature-main {
    min-height: 440px;
  }

  .project-feature-copy {
    padding: 36px;
  }

  .project-feature-copy .project-status {
    margin-bottom: 32px;
  }

  .project-card,
  .project-card-main {
    grid-row: auto;
    min-height: 380px;
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 76px;
  }

  .brand {
    min-width: 0;
  }

  .brand-name {
    font-size: 24px;
  }

  .brand-tagline {
    max-width: 220px;
    line-height: 1.2;
    letter-spacing: 1.5px;
  }

  .main-nav {
    top: 76px;
  }

  .main-nav.privacy-nav a:last-child {
    display: none;
  }

  .hero {
    min-height: calc(100vh - 76px);
    padding-top: 70px;
    padding-bottom: 70px;
  }

  h1 {
    font-size: 47px;
    letter-spacing: -2.5px;
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
  }

  .section,
  .contact-section {
    padding-top: 78px;
    padding-bottom: 78px;
  }

  h2 {
    font-size: 38px;
    letter-spacing: -1.6px;
  }

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

  .fact {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .fact:last-child {
    border-bottom: 0;
  }

  .service {
    grid-template-columns: 35px 1fr;
    gap: 15px;
  }

  .project-feature-main {
    min-height: 330px;
  }

  .project-feature-copy {
    padding: 28px;
  }

  .project-feature-copy h3 {
    font-size: 31px;
  }

  .project-gallery {
    grid-template-columns: 1fr;
  }

  .project-gallery button {
    height: 210px;
  }

  .reference-projects {
    margin-top: 50px;
  }

  .reference-projects-heading,
  .reference-projects-grid {
    grid-template-columns: 1fr;
  }

  .reference-project {
    min-height: 0;
  }

  .photo-lightbox {
    width: calc(100vw - 24px);
  }

  .service h3 {
    font-size: 20px;
  }

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

  .qualification-grid > .qualification-wide {
    grid-column: auto;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .footer-legal {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .privacy-main {
    min-height: calc(100vh - 76px);
    padding-top: 70px;
    padding-bottom: 78px;
  }
}