:root {
  color-scheme: dark;
  --background: #050505;
  --surface: #171717;
  --surface-raised: #222222;
  --text: #f5f5f7;
  --muted: #b7b7bd;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #ffffff;
}

* { box-sizing: border-box; }
html { background: var(--background); }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% -15%, rgba(255, 255, 255, 0.10), transparent 38rem),
    var(--background);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
}

main {
  width: min(720px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 96px;
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 64px;
}

.brand {
  color: var(--text);
  font-size: 22px;
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

nav div { display: flex; gap: 18px; }
nav div a { color: var(--muted); font-size: 15px; text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--text); }

.eyebrow {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(40px, 8vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.lede {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.5;
}

.card {
  margin-top: 48px;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 26px;
}

.card + .card { margin-top: 16px; }
h2 { margin: 0 0 8px; font-size: 22px; line-height: 1.25; letter-spacing: -0.02em; }
p { margin: 0; }
p + p { margin-top: 14px; }
.card p, li { color: var(--muted); }
a { color: var(--accent); text-underline-offset: 3px; }

.actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 48px;
}

.action {
  display: block;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  color: var(--text);
  text-decoration: none;
}

.action:hover, .action:focus-visible { background: var(--surface-raised); }
.action strong { display: block; font-size: 19px; }
.action span { display: block; margin-top: 5px; color: var(--muted); font-size: 15px; }
ul { margin: 12px 0 0; padding-left: 22px; }
footer { margin-top: 56px; color: var(--muted); font-size: 14px; }

@media (max-width: 560px) {
  main { padding-top: 36px; }
  nav { align-items: flex-start; margin-bottom: 48px; }
  nav div { flex-direction: column; gap: 6px; text-align: right; }
  .actions { grid-template-columns: 1fr; }
  .card { padding: 22px; border-radius: 22px; }
}

@media (prefers-reduced-motion: no-preference) {
  a { transition: color 0.18s ease, background-color 0.18s ease; }
}