:root {
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  /* Palette aligned with starkone.io: slate-navy base, blue/indigo accents */
  --bg-0: #0F172A;   /* navy (page background)        */
  --bg-1: #162035;   /* navy-mid (cards)              */
  --bg-2: #1E293B;   /* navy-light (panels / inputs)  */
  --bg-3: #273449;   /* elevated surface              */
  --border: rgba(255,255,255,0.08);
  --text: #F8FAFC;
  --text-dim: #94A3B8;
  --text-mute: #64748B;
  --accent: #3B82F6;       /* blue-500  */
  --accent-2: #6366F1;     /* indigo-500 */
  --accent-3: #22D3EE;     /* cyan-400  */
  --radius: 10px;
  --shadow: 0 20px 60px rgba(0,0,0,0.45);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background:
    radial-gradient(ellipse 80% 60% at 20% 40%, rgba(59,130,246,0.12), transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 30%, rgba(99,102,241,0.10), transparent 60%),
    radial-gradient(ellipse 50% 50% at 50% 100%, rgba(34,211,238,0.06), transparent 60%),
    var(--bg-0);
  color: var(--text);
  font: 16px/1.6 var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }
code, pre { font-family: var(--font-mono); }
.muted { color: var(--text-dim); }
.accent { color: var(--accent); }

/* nav */
.nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 32px;
  border-bottom: 1px solid var(--border);
  background: rgba(15,23,42,0.85);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand:hover { color: var(--text); }
.logo {
  width: 24px; height: 24px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 6px;
  position: relative;
}
.logo::after {
  content: ""; position: absolute; inset: 5px;
  border: 1.5px solid #fff; border-radius: 3px;
}
.nav-links { display: flex; gap: 18px; }
.nav-links a { color: var(--text-dim); }
.nav-links a:hover { color: var(--text); }

main { max-width: 980px; margin: 0 auto; padding: 60px 24px; }

/* hero */
.hero { text-align: center; padding: 40px 0 70px; }
.hero h1 { font-size: clamp(36px, 6vw, 60px); margin: 0 0 18px; letter-spacing: -0.02em; }
.lede { font-size: 19px; color: var(--text-dim); max-width: 640px; margin: 0 auto 32px; }

.install-box {
  position: relative;
  max-width: 720px; margin: 0 auto;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: left;
}
.install-box .cmd {
  margin: 0; padding: 18px 70px 18px 18px;
  font-size: 13.5px; color: var(--text);
  overflow-x: auto;
  white-space: nowrap;
}
.copy {
  position: absolute; top: 10px; right: 10px;
  background: var(--bg-3); color: var(--text-dim);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 12px; font-size: 12px;
  font-family: var(--font-sans);
  cursor: pointer;
}
.copy:hover { background: var(--accent); color: white; border-color: var(--accent); }
.hero-meta { margin-top: 18px; font-size: 13px; }

/* features */
.features h2, .example h2, .security h2, .cta h2 {
  font-size: 22px; margin-top: 60px; margin-bottom: 24px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.grid article {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.grid h3 { margin: 0 0 6px; font-size: 15px; }
.grid p  { margin: 0; color: var(--text-dim); font-size: 14.5px; }

/* example terminal */
.terminal {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  overflow: auto;
  font-size: 13px;
  color: #cbd5e1;
  white-space: pre;
}

/* security */
.security ul {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 18px 18px 36px;
  color: var(--text-dim);
  margin: 0 0 16px;
}
.security li { margin: 6px 0; }
.security code { background: var(--bg-3); padding: 1px 6px; border-radius: 4px; color: var(--text); }
.btn-link { display: inline-block; }

/* cta */
.cta { text-align: center; padding: 30px 0 60px; }

/* footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 32px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px;
}
.site-footer a { margin-left: 18px; color: var(--text-dim); }

/* docs layout */
.docs { display: grid; grid-template-columns: 220px 1fr; gap: 36px; margin-top: 30px; }
.docs aside { position: sticky; top: 80px; align-self: start; }
.docs aside ul { list-style: none; margin: 0; padding: 0; }
.docs aside a {
  display: block; padding: 6px 8px; border-radius: 6px; color: var(--text-dim);
  font-size: 14px;
}
.docs aside a:hover, .docs aside a.active { background: var(--bg-1); color: var(--text); }
.docs article h1 { font-size: 28px; margin: 0 0 6px; }
.docs article h2 { margin-top: 32px; font-size: 19px; }
.docs article code { background: var(--bg-2); padding: 1px 6px; border-radius: 4px; font-size: 13.5px; }
.docs article pre {
  background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; overflow: auto; font-size: 13px;
}
.docs article p, .docs article li { color: var(--text-dim); }
.docs article strong { color: var(--text); }

@media (max-width: 800px) {
  main { padding: 32px 18px; }
  .docs { grid-template-columns: 1fr; }
  .docs aside { position: relative; top: 0; }
}