:root {
  color-scheme: dark;
  --bg: #0b0d12;
  --panel: #121620;
  --panel-strong: #171c28;
  --text: #eef2f8;
  --muted: #aab4c3;
  --line: #293142;
  --accent: #76e0b5;
  --accent-strong: #9cf0cf;
  --code: #090b0f;
  --max: 72rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 85% -10%, rgba(118, 224, 181, 0.14), transparent 32rem),
    var(--bg);
  color: var(--text);
  font: 16px/1.65 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: var(--accent); text-underline-offset: 0.2em; }
a:hover { color: var(--accent-strong); }

.wrap { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }

header {
  border-bottom: 1px solid var(--line);
  background: rgba(11, 13, 18, 0.86);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}

nav { min-height: 4rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { color: var(--text); font-weight: 760; text-decoration: none; letter-spacing: -0.02em; }
.nav-links { display: flex; gap: 1.15rem; align-items: center; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 0.93rem; }
.nav-links a:hover { color: var(--text); }

main { padding: 4rem 0 6rem; }
.hero { padding: 3.5rem 0 4.5rem; }
.eyebrow { color: var(--accent); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.78rem; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.035em; }
h1 { max-width: 17ch; margin: 0.55rem 0 1.2rem; font-size: clamp(2.6rem, 8vw, 5.7rem); }
h2 { margin-top: 4rem; font-size: clamp(1.7rem, 4vw, 2.7rem); }
h3 { margin-top: 2rem; font-size: 1.25rem; }
.lede { max-width: 47rem; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.32rem); }
.actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.8rem; }
.button { display: inline-block; padding: 0.72rem 1rem; border: 1px solid var(--accent); border-radius: 0.55rem; background: var(--accent); color: #06120d; font-weight: 750; text-decoration: none; }
.button.secondary { background: transparent; color: var(--text); border-color: var(--line); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 1.5rem 0; }
.card { padding: 1.35rem; border: 1px solid var(--line); border-radius: 0.8rem; background: linear-gradient(145deg, var(--panel-strong), var(--panel)); }
.card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }
.muted { color: var(--muted); }

pre { overflow-x: auto; padding: 1.2rem; border: 1px solid var(--line); border-radius: 0.7rem; background: var(--code); color: #d9e3ee; }
code { font: 0.92em/1.55 ui-monospace, SFMono-Regular, Consolas, monospace; }
:not(pre) > code { padding: 0.12em 0.36em; border-radius: 0.3em; background: var(--panel-strong); }

.metric { font-size: 2.1rem; font-weight: 800; color: var(--accent); letter-spacing: -0.04em; }
.steps { padding-left: 1.25rem; }
.steps li { padding: 0.35rem 0 0.35rem 0.4rem; }
.callout { margin: 2rem 0; padding: 1rem 1.2rem; border-left: 3px solid var(--accent); background: var(--panel); }

table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
th, td { padding: 0.8rem; border-bottom: 1px solid var(--line); text-align: left; }
th { color: var(--muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; }

footer { padding: 2rem 0 3rem; border-top: 1px solid var(--line); color: var(--muted); }
.footer-row { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

@media (max-width: 760px) {
  .grid { grid-template-columns: 1fr; }
  .nav-links a:not(:last-child) { display: none; }
  main { padding-top: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}