:root {
  --ink: #172033;
  --muted: #657084;
  --line: #d9dee8;
  --paper: #f6f7f9;
  --white: #ffffff;
  --blue: #244f8f;
  --blue-dark: #173a6c;
  --green: #2f7465;
  --gold: #b7832f;
  --shadow: 0 22px 60px rgba(23, 32, 51, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(217, 222, 232, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  background: var(--ink);
  color: var(--white);
  border-radius: 6px;
  font-size: 0.78rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
}

.nav a {
  text-decoration: none;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: clamp(52px, 8vw, 96px) clamp(20px, 5vw, 72px);
  background:
    linear-gradient(135deg, rgba(23, 32, 51, 0.88), rgba(36, 79, 143, 0.78)),
    url("assets/hero-office.jpg")
      center/cover;
  color: var(--white);
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.9rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 680px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
}

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

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.42);
  color: var(--white);
}

.hero-panel {
  width: 100%;
  padding: clamp(26px, 4vw, 38px);
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel-label {
  margin: 0 0 10px;
  color: var(--green);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
}

.hero-panel h2 {
  margin: 0 0 24px;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.12;
}

dl {
  display: grid;
  gap: 18px;
  margin: 0;
}

dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

dd {
  margin: 5px 0 0;
  color: var(--ink);
  font-weight: 700;
}

.section {
  padding: clamp(56px, 8vw, 104px) clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 790px;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.section-heading h2,
.company-band h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1.05;
  letter-spacing: 0;
}

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

.service-card {
  min-height: 260px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.service-number {
  color: var(--gold);
  font-weight: 800;
}

.service-card h3 {
  margin: 34px 0 12px;
  font-size: 1.25rem;
}

.service-card p,
.company-band p {
  margin: 0;
  color: var(--muted);
}

.company-band {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 6vw, 76px);
  align-items: start;
  padding: clamp(56px, 8vw, 96px) clamp(20px, 5vw, 72px);
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.company-band p {
  font-size: clamp(1.02rem, 2vw, 1.2rem);
}

.contact-section {
  background: var(--ink);
  color: var(--white);
}

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

.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.contact-item {
  min-height: 170px;
  padding: 24px;
  background: var(--ink);
}

.contact-item span {
  display: block;
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-item strong {
  display: block;
  overflow-wrap: anywhere;
  color: var(--white);
  font-size: 1.05rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(20px, 5vw, 72px);
  background: #101827;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .hero,
  .company-band {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

@media (max-width: 680px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    padding-top: 42px;
  }

  .hero h1 {
    font-size: clamp(2.65rem, 16vw, 4.2rem);
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .service-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .service-card,
  .contact-item {
    min-height: auto;
  }

  .site-footer {
    flex-direction: column;
  }
}