* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #172541;
  line-height: 1.7;
}
header {
  background: #102653;
  color: white;
  padding: 16px 7%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}
.logo { font-size: 30px; font-weight: 900; }
.logo span, .hero h1 span { color: #f1c75b; }
nav { display: flex; gap: 22px; }
nav a { color: white; text-decoration: none; font-size: 14px; }
nav a:hover { color: #f1c75b; }
#menuBtn { display: none; }
.hero {
  padding: 100px 8%;
  text-align: center;
  color: white;
  background: linear-gradient(135deg, #102653, #1d4b8f);
}
.hero h1 { font-size: clamp(34px, 6vw, 66px); line-height: 1.15; }
.hero p { max-width: 650px; margin: 14px auto; }
.surtitle { color: #c39b31; font-weight: bold; letter-spacing: 2px; }
.btn {
  display: inline-block;
  margin-top: 24px;
  padding: 12px 24px;
  border-radius: 6px;
  background: #f1c75b;
  color: #102653;
  font-weight: bold;
  text-decoration: none;
}
.section { padding: 70px 8%; text-align: center; }
.section h2 { font-size: clamp(27px, 4vw, 40px); }
.values, .steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 18px;
  margin-top: 30px;
}
article {
  padding: 22px;
  border-radius: 12px;
  background: #f4f6fa;
  border: 1px solid #e1e6ef;
}
article h3 { color: #1d4b8f; }
.blue { background: #102653; color: white; }
.blue article { background: #193766; border-color: #36517c; }
.blue article h3 { color: #f1c75b; }
.note { font-size: 12px; opacity: .75; }
.contact { background: #f4f6fa; }
footer {
  padding: 25px;
  text-align: center;
  background: #09172f;
  color: white;
  font-size: 14px;
}
@media (max-width: 700px) {
  header { flex-wrap: wrap; }
  #menuBtn {
    display: block;
    background: transparent;
    border: 1px solid white;
    color: white;
    padding: 7px 12px;
    font-size: 20px;
  }
  nav { display: none; width: 100%; flex-direction: column; padding-top: 15px; }
  nav.open { display: flex; }
  .hero { padding: 70px 6%; }
  .section { padding: 50px 6%; }
}