* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: #eef5df;
  background: radial-gradient(circle at 20% 0%, #78b8da 0%, #1d5d6c 45%, #002d26 100%);
}

a {
  color: #f0efc4;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 28px;
  background: rgba(0, 22, 24, 0.72);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(240, 239, 196, 0.25);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.logo-icon {
  width: 28px;
  height: 28px;
  object-fit: contain;
  border-radius: 8px;
  flex: 0 0 auto;
}

.site-nav {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}

.site-nav a {
  text-decoration: none;
  font-weight: 600;
}

.site-nav .cta {
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid #f0efc4;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

.hero {
  padding: 70px 0 50px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 5vw, 3.3rem);
}

.hero p {
  max-width: 730px;
  color: rgba(238, 245, 223, 0.92);
  font-size: 1.1rem;
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  text-decoration: none;
  padding: 11px 18px;
  border-radius: 999px;
  border: 1px solid rgba(240, 239, 196, 0.8);
}

.btn.primary {
  background: #f0efc4;
  color: #001a1d;
  border-color: #f0efc4;
}

.section {
  margin: 30px 0;
  padding: 24px;
  border-radius: 14px;
  background: rgba(0, 17, 20, 0.5);
  border: 1px solid rgba(240, 239, 196, 0.18);
}

.section.alt {
  background: rgba(20, 36, 47, 0.45);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.cards article {
  padding: 14px;
  border-radius: 10px;
  background: rgba(240, 239, 196, 0.08);
}

@media (max-width: 760px) {
  .site-header {
    padding: 14px 16px;
  }

  .site-nav {
    gap: 10px;
  }

  main {
    padding: 16px;
  }

  .hero {
    padding-top: 40px;
  }
}