:root {
  color-scheme: light dark;
  --bg: #0f1720;
  --panel: #162330;
  --text: #f7fafc;
  --muted: #b7c1cc;
  --accent: #f4c542;
  --link: #7cc7ff;
  --border: rgba(255, 255, 255, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, #263747 0, var(--bg) 42rem);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

main {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

.card {
  background: rgba(22, 35, 48, 0.94);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.logo-dot {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid #ffffff;
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.32);
}

h1,
h2,
h3 {
  line-height: 1.2;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 5vw, 3.25rem);
}

h2 {
  margin-top: 32px;
  color: #ffffff;
  font-size: 1.35rem;
}

p,
li {
  color: var(--muted);
}

a {
  color: var(--link);
}

.lede {
  max-width: 680px;
  font-size: 1.12rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--accent);
  color: #151515;
  font-weight: 700;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.meta {
  margin-top: 28px;
  color: #8794a1;
  font-size: 0.95rem;
}

ul {
  padding-left: 22px;
}

footer {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 0 0 36px;
  color: #8794a1;
  font-size: 0.92rem;
}

@media (max-width: 560px) {
  main {
    width: min(100% - 22px, 920px);
    padding-top: 22px;
  }

  .card {
    padding: 20px;
  }
}