:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: #121a2e;
  --panel-2: #18233c;
  --text: #f4f7ff;
  --muted: #aab7d4;
  --line: #2b3b60;
  --accent: #77e0c0;
  --accent-2: #9db6ff;
  --danger: #ff9d9d;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(circle at top right, #1a3150, var(--bg) 52%); color: var(--text); line-height: 1.65; }
a { color: var(--accent); }
header, main, footer { width: min(1080px, calc(100% - 40px)); margin: 0 auto; }
header { padding: 28px 0 10px; display: flex; justify-content: space-between; gap: 24px; align-items: center; }
nav { display: flex; flex-wrap: wrap; gap: 14px; font-size: .92rem; }
.brand { color: var(--text); text-decoration: none; font-weight: 750; letter-spacing: -.02em; }
main { padding: 64px 0 80px; }
.eyebrow { color: var(--accent); font-weight: 700; text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; }
h1 { font-size: clamp(2.3rem, 6vw, 4.8rem); line-height: 1.04; letter-spacing: -.055em; max-width: 850px; margin: 14px 0 24px; }
h2 { margin-top: 52px; line-height: 1.15; letter-spacing: -.025em; }
h3 { line-height: 1.2; }
.lede { color: var(--muted); font-size: clamp(1.08rem, 2.5vw, 1.35rem); max-width: 760px; }
.answer { background: linear-gradient(135deg, #173b47, var(--panel)); border: 1px solid #2e6c6a; padding: 24px; border-radius: 18px; margin: 30px 0; }
.answer strong { color: var(--accent); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; margin: 26px 0; }
.card { background: rgba(18, 26, 46, .88); border: 1px solid var(--line); border-radius: 16px; padding: 22px; }
.card h3 { margin-top: 0; }
.muted { color: var(--muted); }
code, pre { font-family: "SFMono-Regular", Consolas, monospace; }
code { color: var(--accent-2); }
pre { background: #080c17; border: 1px solid var(--line); border-radius: 12px; padding: 18px; overflow-x: auto; color: #dce8ff; }
.cta { display: inline-flex; gap: 12px; align-items: center; padding: 12px 17px; border-radius: 10px; background: var(--accent); color: #07151a; text-decoration: none; font-weight: 750; margin: 10px 10px 0 0; }
.cta.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
table { border-collapse: collapse; width: 100%; margin: 18px 0; }
th, td { border-bottom: 1px solid var(--line); padding: 12px 10px; text-align: left; vertical-align: top; }
th { color: var(--accent); }
details { border-bottom: 1px solid var(--line); padding: 16px 0; }
summary { cursor: pointer; font-weight: 700; }
footer { border-top: 1px solid var(--line); padding: 22px 0 44px; color: var(--muted); font-size: .92rem; }
.pill { display: inline-block; border: 1px solid var(--line); border-radius: 999px; padding: 3px 9px; color: var(--muted); font-size: .83rem; }
@media (max-width: 700px) { header { align-items: flex-start; flex-direction: column; } main { padding-top: 36px; } h1 { font-size: 2.7rem; } }