:root {
  color-scheme: dark;
  --bg: #090a12;
  --panel: #11131d;
  --line: rgba(255, 255, 255, 0.15);
  --text: #f6f7ff;
  --muted: #b7bbd4;
  --cyan: #6fdcff;
  --yellow: #ffe36f;
  --pink: #e4529b;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 20% 10%, rgba(111, 220, 255, 0.12), transparent 32%),
    radial-gradient(circle at 80% 0%, rgba(228, 82, 155, 0.1), transparent 30%),
    var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", system-ui, sans-serif;
}

body {
  padding: 32px 18px;
}

.site-page {
  width: min(760px, 100%);
  margin: 0 auto;
}

.site-header,
.site-card {
  border: 1px solid var(--line);
  background: rgba(17, 19, 29, 0.88);
}

.site-header {
  padding: 20px;
  margin-bottom: 18px;
}

.site-card {
  padding: 22px;
}

h1,
h2 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2rem, 7vw, 3.3rem);
}

h2 {
  margin-top: 28px;
  font-size: 1.15rem;
  color: var(--cyan);
}

p,
li {
  color: var(--muted);
  line-height: 1.65;
}

ul {
  padding-left: 1.2rem;
}

a {
  color: var(--cyan);
  text-decoration: none;
}

a:hover {
  color: var(--yellow);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
  font-weight: 800;
  text-transform: uppercase;
}

.back-link {
  display: inline-flex;
  margin-top: 24px;
  color: var(--yellow);
  font-weight: 900;
  text-transform: uppercase;
}

code {
  color: var(--yellow);
}