:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #08132f;
  color: #eef7ff;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 15% 10%, rgba(22, 135, 255, 0.2), transparent 34%),
    radial-gradient(circle at 90% 25%, rgba(255, 136, 0, 0.15), transparent 28%),
    linear-gradient(145deg, #071027, #12275b 62%, #183976);
}

a {
  color: #8ed9ff;
}

.page-shell {
  width: min(880px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.page-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-bottom: 40px;
  font-size: 14px;
}

.page-nav .brand {
  margin-right: auto;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  text-decoration: none;
}

.play-link,
.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 10px;
  background: linear-gradient(135deg, #179ff7, #385cff);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}

.content-card {
  padding: clamp(24px, 5vw, 52px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 24px;
  background: rgba(8, 18, 47, 0.82);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
}

h1 {
  max-width: 720px;
  margin: 0 0 16px;
  font-size: clamp(36px, 7vw, 64px);
  line-height: 1;
  letter-spacing: -0.04em;
}

h2 {
  margin-top: 34px;
  font-size: 23px;
}

h3 {
  margin-top: 24px;
}

p,
li {
  color: #cbdcf4;
  font-size: 17px;
  line-height: 1.7;
}

li + li {
  margin-top: 8px;
}

.lede {
  max-width: 700px;
  font-size: 20px;
  color: #e1efff;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin: 28px 0;
}

.feature {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.055);
}

.feature strong {
  display: block;
  margin-bottom: 6px;
  color: #fff;
}

.feature span {
  color: #bfd4ef;
  line-height: 1.5;
}

.page-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 28px;
  color: #9fb6d5;
  font-size: 13px;
}

@media (max-width: 600px) {
  .page-nav {
    gap: 12px;
  }

  .page-nav a:not(.brand):not(.play-link) {
    display: none;
  }

  .content-card {
    border-radius: 18px;
  }
}