body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, sans-serif;
  background: #f4f7fb;
  color: #172033;
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px min(5vw, 56px);
  border-bottom: 1px solid #dbe4ef;
  background: #ffffff;
}

.logo {
  font-size: 20px;
  font-weight: 800;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

nav a {
  border-radius: 8px;
  padding: 9px 12px;
  color: #516173;
  font-weight: 700;
}

nav a.active,
nav a:hover {
  background: #172033;
  color: #ffffff;
}

.hero,
.page {
  width: min(1120px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 64px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  align-items: center;
  gap: 48px;
}

.eyebrow {
  margin: 0 0 12px;
  color: #1769e0;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: 42px;
  line-height: 1.15;
}

.lead {
  max-width: 680px;
  margin: 18px 0 0;
  color: #526170;
  font-size: 18px;
  line-height: 1.7;
}

.button,
.contact-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  margin-top: 26px;
  border: 0;
  border-radius: 8px;
  padding: 0 16px;
  background: #1769e0;
  color: white;
  cursor: pointer;
  font-weight: 800;
}

.hero-panel,
.product-grid article,
.contact-form {
  border: 1px solid #d9e3ee;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 45px rgba(23, 32, 51, 0.08);
}

.hero-panel {
  padding: 28px;
}

.hero-panel h2,
.product-grid h2 {
  margin: 0 0 16px;
}

.metric {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
  border-top: 1px solid #e5edf5;
}

.metric strong {
  color: #1769e0;
  font-size: 28px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.product-grid article {
  padding: 24px;
}

.product-grid p,
.contact-list {
  color: #526170;
  line-height: 1.7;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 42px;
}

.contact-list {
  padding-left: 18px;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 24px;
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: #334155;
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid #cfd8e3;
  border-radius: 8px;
  padding: 11px 12px;
  font: inherit;
  resize: vertical;
}

@media (max-width: 760px) {
  .site-header,
  .hero,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .site-header {
    display: grid;
  }

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

  h1 {
    font-size: 32px;
  }
}