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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  color: #1a2332;
  background: #f7f8fa;
}

.wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.top {
  background: #fff;
  border-bottom: 4px solid #1a3a6b;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}

.brand img {
  display: block;
  height: 72px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
}

.nav nav {
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
}

.nav a {
  color: #1a2332;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.nav a:hover {
  color: #c9a227;
}

.hero {
  padding: 2rem 0 1rem;
  background: #fff;
  text-align: center;
}

.banner {
  max-width: 100%;
  height: auto;
  margin-bottom: 1.5rem;
  border-radius: 4px;
}

.kicker {
  color: #c9a227;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 0.6rem;
}

h1 {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 2.4rem;
  line-height: 1.15;
  font-weight: 700;
  color: #0b1f3a;
  margin-bottom: 0.8rem;
}

.lede {
  font-size: 1.15rem;
  color: #2c3a4d;
  max-width: 42rem;
  margin: 0 auto;
}

.sheets,
.versions,
.about {
  padding: 2.4rem 0;
}

h2 {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.6rem;
  color: #0b1f3a;
  margin-bottom: 1.2rem;
}

.product {
  background: #fff;
  border: 1px solid #e3e8ef;
  border-left: 4px solid #1a3a6b;
  border-radius: 6px;
  padding: 1.5rem 1.6rem 1.4rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 1px 2px rgba(11, 31, 58, 0.04);
}

.product h3 {
  font-size: 1.25rem;
  color: #0b1f3a;
  margin-bottom: 0.7rem;
}

.product p,
.sheets p,
.versions p,
.about p {
  margin-bottom: 0.85rem;
  color: #243044;
}

.sheets a,
.about a {
  color: #1a3a6b;
  font-weight: 600;
}

.cta {
  display: inline-block;
  margin-top: 0.4rem;
  padding: 0.55rem 1rem;
  background: #1a3a6b;
  color: #fff !important;
  text-decoration: none;
  border-radius: 4px;
  font-weight: 600;
}

.cta:hover {
  background: #0b1f3a;
}

ul {
  margin: 0.5rem 0 1rem 1.5rem;
  color: #243044;
}

ul li {
  margin-bottom: 0.3rem;
}

footer {
  background: #0b1f3a;
  color: #fff;
  padding: 1.6rem 0;
  margin-top: 1rem;
}

footer p {
  margin-bottom: 0.25rem;
}

footer a {
  color: #fff;
  text-decoration: none;
}

footer a:hover {
  color: #c9a227;
}

.fine {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }
  h1 {
    font-size: 2rem;
  }
  .brand img {
    height: 60px;
  }
}