:root {
  color-scheme: dark;
  --background: #07090c;
  --surface: #11161c;
  --text: #edf2f4;
  --muted: #a6b0ba;
  --line: rgba(205, 221, 231, 0.16);
  --cyan: #82e8f3;

  font-family: "Segoe UI Variable Text", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  min-width: 320px;
  margin: 0;
  background: radial-gradient(55rem 35rem at 50% -18rem, rgba(41, 151, 170, 0.18), transparent 68%), var(--background);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--cyan); text-underline-offset: 3px; }
a:hover { color: white; }

.page {
  width: min(760px, 100%);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px) 64px;
}

.topbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 15px;
  font-weight: 650;
  text-decoration: none;
}

.brand img { width: 25px; height: 25px; border-radius: 7px; }
.topbar > a:last-child { color: var(--muted); font-size: 14px; text-decoration: none; }

main { padding: clamp(48px, 8vw, 78px) 0 30px; }

.eyebrow {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

h1 { margin: 0 0 20px; font-size: clamp(38px, 7vw, 58px); line-height: 1.04; letter-spacing: -0.045em; }
h2 { margin: 40px 0 12px; font-size: 22px; letter-spacing: -0.02em; }
p, li { color: var(--muted); font-size: 16px; line-height: 1.7; }
p { margin: 0 0 16px; }
ul { padding-left: 22px; }

.lede { color: #c9d1d8; font-size: 18px; }
.updated { margin-top: 30px; color: #7f8994; font-size: 13px; }

.card {
  margin-top: 26px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.card h2 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

footer {
  display: flex;
  gap: 18px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

footer a { color: var(--muted); text-decoration: none; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 4px; border-radius: 4px; }