* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: #071f46;
  background: #ffffff;
  line-height: 1.6;
}

.header {
  height: 96px;
  padding: 0 6%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,.97);
  box-shadow: 0 4px 24px rgba(0,0,0,.07);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand img {
  height: 68px;
  display: block;
}

.nav {
  display: flex;
  gap: 30px;
}

.nav a {
  color: #071f46;
  text-decoration: none;
  font-size: 15px;
  font-weight: 800;
}

.btn {
  display: inline-block;
  padding: 15px 26px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 900;
  transition: .25s ease;
}

.btn.small {
  padding: 13px 22px;
}

.btn-primary {
  background: #00316f;
  color: #ffffff;
  box-shadow: 0 14px 34px rgba(0,49,111,.22);
}

.btn-primary:hover {
  background: #001f49;
  transform: translateY(-2px);
}

.btn-secondary {
  border: 1px solid #00316f;
  background: #ffffff;
  color: #00316f;
}

.btn-secondary:hover {
  background: #eef7ff;
  transform: translateY(-2px);
}

.btn-white {
  background: #ffffff;
  color: #00316f;
}

.hero {
  min-height: 720px;
  padding: 90px 6%;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 56px;
  align-items: center;
  background:
    radial-gradient(circle at 82% 22%, rgba(78,177,230,.38), transparent 28%),
    linear-gradient(90deg, #ffffff 0%, #f4f9ff 45%, #d9edff 100%);
}

.eyebrow {
  display: inline-block;
  color: #0069c9;
  font-size: 13px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  font-weight: 950;
  margin-bottom: 14px;
}

.eyebrow.light {
  color: #8fd8ff;
}

.hero h1 {
  max-width: 830px;
  font-size: 54px;
  line-height: 1.05;
  letter-spacing: -1.6px;
  margin-bottom: 24px;
}

.hero p {
  max-width: 720px;
  font-size: 20px;
  margin-bottom: 32px;
}

.hero-actions,
.contact-actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.trust-row {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.trust-row span {
  background: rgba(255,255,255,.82);
  border: 1px solid #cfe1f4;
  padding: 12px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 850;
}

.hero-card {
  background: #ffffff;
  border-radius: 28px;
  padding: 20px;
  box-shadow: 0 35px 90px rgba(0,43,99,.20);
  border: 1px solid rgba(0,49,111,.12);
}

.hero-card img {
  width: 100%;
  display: block;
  border-radius: 18px;
}

.problem-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #002b63;
  color: #ffffff;
}

.problem-strip div {
  padding: 32px 28px;
  border-right: 1px solid rgba(255,255,255,.16);
}

.problem-strip strong {
  display: block;
  font-size: 18px;
  margin-bottom: 8px;
}

.problem-strip span {
  color: rgba(255,255,255,.78);
  font-size: 14px;
}

.section {
  padding: 92px 6%;
}

.section h2,
.diagnostic h2,
.contact h2 {
  font-size: 42px;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.split {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 56px;
  align-items: center;
}

.split p {
  font-size: 18px;
  max-width: 760px;
}

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

.feature-card {
  background: #ffffff;
  border: 1px solid #dbe8f7;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 14px 34px rgba(0,33,78,.06);
}

.feature-card h3 {
  font-size: 21px;
  margin-bottom: 8px;
}

.applications {
  text-align: center;
  background: #f4f9ff;
}

.applications h2 {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.app-grid {
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.app-grid div {
  min-height: 120px;
  background: #ffffff;
  border: 1px solid #dbe8f7;
  border-radius: 20px;
  padding: 34px;
  display: grid;
  place-items: center;
  font-size: 20px;
  font-weight: 950;
  box-shadow: 0 14px 34px rgba(0,33,78,.06);
}

.diagnostic {
  padding: 86px 6%;
  background:
    radial-gradient(circle at 84% 20%, rgba(112,197,240,.38), transparent 32%),
    linear-gradient(135deg, #001a3d, #00316f);
  color: #ffffff;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px;
  align-items: center;
}

.diagnostic p {
  max-width: 760px;
  color: rgba(255,255,255,.86);
  font-size: 18px;
}

.diagnostic-box {
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 24px;
  padding: 36px;
  box-shadow: 0 24px 70px rgba(0,0,0,.18);
}

.diagnostic-box h3 {
  font-size: 28px;
  margin-bottom: 10px;
}

.diagnostic-box p {
  margin-bottom: 24px;
}

.process {
  text-align: center;
}

.process h2 {
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.steps {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.steps div {
  background: #ffffff;
  border: 1px solid #dbe8f7;
  border-radius: 20px;
  padding: 30px;
  text-align: left;
  box-shadow: 0 14px 34px rgba(0,33,78,.06);
}

.steps span {
  color: #0069c9;
  font-size: 14px;
  font-weight: 950;
  letter-spacing: 1px;
}

.steps h3 {
  margin: 10px 0;
  font-size: 20px;
}

.contact {
  padding: 90px 6%;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  background: #f4f9ff;
}

.contact p {
  max-width: 740px;
  font-size: 18px;
}

.footer {
  background: #001731;
  color: #ffffff;
  padding: 30px 6%;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 14px;
}

@media (max-width: 980px) {
  .nav,
  .header .btn {
    display: none;
  }

  .header {
    height: 84px;
  }

  .brand img {
    height: 58px;
  }

  .hero,
  .split,
  .diagnostic,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 60px;
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero p {
    font-size: 18px;
  }

  .problem-strip,
  .app-grid,
  .feature-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .contact-actions {
    justify-content: flex-start;
  }

  .footer {
    flex-direction: column;
  }
}