:root {
  --azul: #10233f;
  --azul2: #17345f;
  --dorado: #b89458;
  --gris: #f5f6f8;
  --texto: #263238;
  --borde: #e2e6ea;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Open Sans", Arial, sans-serif;
  color: var(--texto);
  background: #fff;
  line-height: 1.6;
}

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

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--borde);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .container {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--azul);
  font-weight: 800;
  letter-spacing: .02em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 15px;
  font-weight: 700;
}

.site-nav a {
  color: var(--azul);
}

.site-nav a:hover,
.site-nav [aria-current="page"] {
  color: var(--dorado);
}

.hero {
  background: linear-gradient(120deg, rgba(16, 35, 63, .97), rgba(23, 52, 95, .92));
  color: #fff;
}

.hero .container {
  padding-top: 76px;
  padding-bottom: 82px;
}

.eyebrow {
  margin: 0 0 12px;
  color: #e6c98b;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.2;
}

h1 {
  max-width: 900px;
  margin: 0 0 18px;
  font-size: 44px;
}

h2 {
  margin: 0 0 18px;
  color: var(--azul);
  font-size: 32px;
}

h3 {
  margin: 0 0 10px;
  color: var(--azul);
  font-size: 21px;
}

.lead {
  max-width: 900px;
  margin: 0;
  color: #eef2f7;
  font-size: 19px;
}

.section {
  padding: 68px 0;
}

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

.card {
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: 10px;
  padding: 26px;
  box-shadow: 0 8px 24px rgba(16, 35, 63, .06);
}

.card p {
  margin: 0;
  color: #4d5965;
}

.card a {
  color: var(--azul);
}

.card h3 a:hover {
  color: var(--dorado);
}

.site-footer {
  background: #0b1728;
  color: #dce3ec;
  padding: 28px 0;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .site-header .container,
  .site-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header .container {
    padding-top: 18px;
    padding-bottom: 18px;
  }

  .site-nav {
    gap: 10px;
  }

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

  h1 {
    font-size: 34px;
  }

  .section {
    padding: 48px 0;
  }
}