:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  background: #08070e;
  color: #f8f7fb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 52% 8%, rgba(123, 56, 238, 0.2), transparent 30rem),
    radial-gradient(circle at 18% 40%, rgba(255, 70, 88, 0.12), transparent 26rem),
    #08070e;
}

main, footer {
  width: min(720px, calc(100% - 40px));
  margin: 0 auto;
}

main { padding: 72px 0 32px; }
footer { padding: 16px 0 40px; color: #817e8d; font-size: 13px; }

.eyebrow {
  margin: 0 0 14px;
  color: #ff9d4a;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.16em;
}

h1 { max-width: 620px; margin: 0; font-size: clamp(40px, 8vw, 68px); line-height: 0.98; letter-spacing: -0.045em; }
h2 { margin: 34px 0 10px; font-size: 20px; }
p { color: #b8b4c2; line-height: 1.65; }
.lede { max-width: 620px; margin: 24px 0 46px; font-size: 18px; }

section {
  padding: 10px 24px 28px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.045);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

details { padding: 18px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
details:last-child { border-bottom: 0; }
summary { cursor: pointer; font-weight: 650; }
details p { margin-bottom: 0; }

nav { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-top: 28px; }
a { color: #ffb35f; text-underline-offset: 3px; }

.app-icon {
  display: block;
  width: 76px;
  height: 76px;
  margin-bottom: 38px;
  border-radius: 18px;
  box-shadow: 0 16px 48px rgba(255, 87, 81, 0.22);
}

@media (max-width: 520px) {
  main { padding-top: 44px; }
  section { padding-inline: 18px; border-radius: 20px; }
}