:root {
  --navy: #0d0f12;
  --navy-2: #25282d;
  --blue: #f28c28;
  --orange: #ff8a1f;
  --ink: #17191d;
  --muted: #626872;
  --line: #e2e3e6;
  --soft: #f6f6f7;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(13, 15, 18, .14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}

a {
  color: inherit;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 54px);
  background: rgba(255, 255, 255, .97);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--navy);
  text-decoration: none;
}

.brand-logo {
  width: clamp(104px, 11vw, 140px);
  height: 44px;
  object-fit: contain;
  padding: 6px 9px;
  background: #111214;
  border: 1px solid rgba(255, 138, 31, .26);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(255, 138, 31, .12);
}

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

.brand strong {
  letter-spacing: 0;
  font-size: 1.05rem;
}

.brand small {
  color: var(--muted);
  font-size: .78rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  padding: 9px 12px;
  color: var(--navy);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 700;
  font-size: .95rem;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: var(--soft);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--navy);
}

.hero {
  position: relative;
  min-height: 680px;
  display: grid;
  align-items: center;
  padding: clamp(64px, 9vw, 118px) clamp(18px, 5vw, 72px);
  overflow: hidden;
  color: var(--white);
  background: #0d0f12;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 17% 31%, rgba(255, 138, 31, .23), transparent 28%),
    linear-gradient(90deg, rgba(8, 9, 11, .96), rgba(15, 16, 18, .86) 46%, rgba(15, 16, 18, .18));
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero-identity {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  max-width: 100%;
  margin-bottom: 22px;
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(17, 18, 20, .86), rgba(42, 35, 28, .72));
  border: 1px solid rgba(255, 138, 31, .28);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(255, 138, 31, .18), inset 0 1px 0 rgba(255, 255, 255, .08);
  backdrop-filter: blur(10px);
}

.hero-identity img {
  width: clamp(152px, 22vw, 240px);
  height: auto;
  max-height: 92px;
  object-fit: contain;
}

.hero-identity strong,
.hero-identity span {
  display: block;
}

.hero-identity strong {
  color: var(--white);
  font-size: .95rem;
}

.hero-identity span {
  max-width: 320px;
  color: rgba(255, 255, 255, .76);
  font-size: .92rem;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--orange);
  font-size: .82rem;
  font-weight: 800;
  text-transform: uppercase;
}

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

h1 {
  max-width: 920px;
  margin-bottom: 20px;
  font-size: clamp(2.2rem, 6vw, 4.9rem);
  line-height: 1.02;
}

h2 {
  color: var(--navy);
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  line-height: 1.15;
}

h3 {
  color: var(--navy);
  font-size: 1.15rem;
}

.hero-text {
  max-width: 660px;
  color: rgba(255, 255, 255, .86);
  font-size: clamp(1.02rem, 2vw, 1.18rem);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, #ff9d2f, #f06d14);
  box-shadow: 0 12px 28px rgba(255, 138, 31, .24);
}

.btn-secondary {
  color: var(--navy);
  background: var(--white);
  border-color: var(--line);
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.trust-list li {
  padding: 8px 10px;
  color: rgba(255, 255, 255, .92);
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 8px;
}

.section,
.page-hero {
  padding: clamp(54px, 8vw, 96px) clamp(18px, 5vw, 72px);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 560px);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
  background: var(--soft);
}

.split p:last-child {
  color: var(--muted);
  font-size: 1.08rem;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 28px;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.card p {
  margin-bottom: 0;
  color: var(--muted);
}

.icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  color: var(--orange);
  background: #fff2e5;
  border-radius: 8px;
  font-size: 1.35rem;
}

.dark-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  color: var(--white);
  background: var(--navy);
}

.dark-band h2 {
  color: var(--white);
}

.dark-band p {
  max-width: 780px;
  color: rgba(255, 255, 255, .78);
}

.page-hero {
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), var(--navy-2));
}

.page-hero p {
  max-width: 780px;
  color: rgba(255, 255, 255, .82);
  font-size: 1.08rem;
}

.page-hero .eyebrow {
  color: var(--orange);
}

.page-hero h1 {
  font-size: clamp(2.1rem, 5vw, 4.2rem);
}

.service-grid h2 {
  font-size: 1.2rem;
}

.timeline {
  display: grid;
  gap: 16px;
  background: var(--soft);
}

.gallery-section {
  background: var(--white);
}

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

.project-card {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.project-card-large {
  grid-column: span 2;
  min-height: 440px;
}

.project-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 23, 47, .08), rgba(7, 23, 47, .82));
}

.project-card img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
}

.project-card div {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  padding: 22px;
}

.project-card p {
  margin-bottom: 6px;
  color: var(--orange);
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.project-card h3 {
  margin-bottom: 0;
  color: var(--white);
  font-size: 1.15rem;
  line-height: 1.25;
}

.timeline article {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 18px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.timeline span {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  color: var(--white);
  background: var(--navy);
  border-radius: 8px;
  font-weight: 800;
}

.timeline p,
.text-page p {
  color: var(--muted);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(260px, 380px) minmax(0, 1fr);
  gap: 24px;
  background: var(--soft);
}

.contact-panel,
.contact-form {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.contact-panel a {
  color: var(--blue);
  font-weight: 800;
}

.contact-form {
  display: grid;
  gap: 16px;
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--navy);
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font: inherit;
  background: var(--white);
}

textarea {
  resize: vertical;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
}

.text-page {
  max-width: 920px;
}

.text-page h2 {
  margin-top: 32px;
  font-size: 1.45rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(18px, 5vw, 72px);
  color: rgba(255, 255, 255, .82);
  background: #050f20;
}

.site-footer strong {
  display: block;
  color: var(--white);
  margin-bottom: 8px;
}

.site-footer p {
  max-width: 520px;
  margin-bottom: 0;
}

.site-footer div:last-child {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
}

.site-footer a {
  color: var(--white);
  text-decoration: none;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    right: 18px;
    left: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

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

  .hero {
    min-height: 640px;
  }

  .grid.three,
  .split,
  .contact-layout,
  .realisation-grid {
    grid-template-columns: 1fr;
  }

  .project-card,
  .project-card-large {
    grid-column: auto;
    min-height: 360px;
  }

  .dark-band,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer div:last-child {
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand small {
    display: none;
  }

  .brand-logo {
    width: 96px;
    height: 38px;
    padding: 5px 7px;
  }

  .hero {
    min-height: 620px;
    padding-top: 74px;
  }

  .hero::after {
    background:
      radial-gradient(circle at 50% 18%, rgba(255, 138, 31, .2), transparent 34%),
      linear-gradient(180deg, rgba(8, 9, 11, .98), rgba(15, 16, 18, .82));
  }

  .hero-identity {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 13px;
  }

  .hero-identity img {
    width: min(100%, 210px);
  }

  .hero-actions,
  .center-action,
  .trust-list {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .timeline article {
    grid-template-columns: 1fr;
  }

  .project-card,
  .project-card-large {
    min-height: 320px;
  }
}