* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  background: #f7f9fc;
  color: #142033;
  line-height: 1.6;
}

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid #e7ebf0;
  backdrop-filter: blur(14px);
}

.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border-radius: 10px;
  background: #0a63ff;
  color: white;
  font-size: 20px;
}

.brand-text {
  font-size: 18px;
}

.nav-links {
  display: flex;
  gap: 26px;
  font-size: 14px;
  font-weight: 600;
  color: #526076;
}

.nav-links a:hover {
  color: #0a63ff;
}

.hero {
  padding: 92px 0 80px;
  background:
    radial-gradient(circle at 85% 15%, rgba(10,99,255,.16), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 64px;
  align-items: center;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  color: #0a63ff;
}

h1, h2, h3 {
  margin-top: 0;
  line-height: 1.15;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(42px, 6vw, 72px);
  letter-spacing: -.04em;
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(30px, 4vw, 46px);
  letter-spacing: -.03em;
}

h3 {
  margin-bottom: 12px;
}

.hero-text {
  max-width: 680px;
  margin: 0 0 30px;
  font-size: 19px;
  color: #5d6a7c;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 10px;
  font-weight: 700;
}

.primary {
  background: #0a63ff;
  color: white;
}

.secondary {
  border: 1px solid #d7dee8;
  background: white;
}

.hero-card {
  min-height: 430px;
  padding: 30px;
  border: 1px solid #dce4ef;
  border-radius: 24px;
  background: #0f1b2d;
  box-shadow: 0 25px 60px rgba(20,32,51,.16);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.network-graphic {
  position: relative;
  height: 270px;
}

.node {
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 0 9px rgba(255,255,255,.08);
}

.n1 { left: 14%; top: 22%; }
.n2 { left: 55%; top: 10%; }
.n3 { left: 76%; top: 46%; }
.n4 { left: 33%; top: 63%; }
.n5 { left: 60%; top: 78%; }

.line {
  position: absolute;
  height: 2px;
  background: linear-gradient(90deg, rgba(10,99,255,.2), #39a0ff, rgba(10,99,255,.2));
  transform-origin: left center;
}

.l1 { width: 46%; left: 17%; top: 28%; transform: rotate(-14deg); }
.l2 { width: 31%; left: 58%; top: 18%; transform: rotate(54deg); }
.l3 { width: 49%; left: 34%; top: 65%; transform: rotate(-22deg); }
.l4 { width: 32%; left: 34%; top: 65%; transform: rotate(27deg); }

.card-caption {
  color: white;
}

.card-caption strong,
.card-caption span {
  display: block;
}

.card-caption strong {
  margin-bottom: 8px;
  font-size: 24px;
}

.card-caption span {
  color: #b8c4d6;
}

.section {
  padding: 90px 0;
}

.alt {
  background: white;
}

.two-col {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 76px;
}

.body-copy {
  font-size: 17px;
  color: #5d6a7c;
}

.service-grid {
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card {
  padding: 28px;
  border: 1px solid #e1e7ef;
  border-radius: 18px;
  background: #fbfcfe;
}

.service-card p,
.approach-item p {
  margin-bottom: 0;
  color: #687588;
}

.service-number {
  display: inline-block;
  margin-bottom: 40px;
  font-size: 13px;
  font-weight: 800;
  color: #0a63ff;
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.approach-item {
  padding-top: 22px;
  border-top: 3px solid #0a63ff;
}

.contact-section {
  padding: 86px 0;
  background: #0f1b2d;
  color: white;
}

.section-kicker.light {
  color: #75b5ff;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: start;
}

.contact-grid p {
  color: #b8c4d6;
}

.contact-card {
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 18px;
  overflow: hidden;
}

.contact-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 20px;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.contact-row:last-child {
  border-bottom: none;
}

.contact-row .label {
  color: #90a0b8;
}

.attention strong {
  color: #ffd36a;
}

.footer {
  background: #0b1422;
  color: #8f9cb0;
  font-size: 13px;
}

.footer-inner {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

@media (max-width: 850px) {
  .nav-links {
    display: none;
  }

  .hero {
    padding-top: 62px;
  }

  .hero-grid,
  .two-col,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid,
  .two-col,
  .contact-grid {
    gap: 38px;
  }

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

  .hero-card {
    min-height: 350px;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .section {
    padding: 68px 0;
  }

  .hero {
    padding-bottom: 62px;
  }

  .contact-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .footer-inner {
    padding: 18px 0;
    flex-direction: column;
    align-items: flex-start;
  }
}