/* Nexilar Docs website — mirrors the app's dark look: near-black ground,
   card surfaces with 1px borders, 12px radius, and the accent glow the app
   paints on its back layer. Buildless, self-contained, system fonts. */
:root {
  --bg: #131316;
  --card: #1b1b1f;
  --card-2: #202024;
  --border: #2e2e33;
  --fg: #fafafa;
  --muted: #a1a1aa;
  --muted-2: #71717a;
  --accent: #7c9cff;
  --radius: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(120% 70% at 85% -15%, color-mix(in oklab, var(--accent) 14%, transparent), transparent 55%),
    radial-gradient(110% 70% at -15% 100%, color-mix(in oklab, var(--accent) 9%, transparent), transparent 50%),
    var(--bg);
  color: var(--fg);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 24px; }

/* ---- topbar, like the app's ---- */
header {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(12px);
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; gap: 10px; padding: 12px 0; }
.nav img { width: 28px; height: 28px; border-radius: 7px; }
.nav .brand { font-weight: 600; font-size: 15px; }
.nav .links { margin-left: auto; display: flex; gap: 4px; align-items: center; }
.nav .links a {
  color: var(--muted); text-decoration: none; font-size: 13.5px; font-weight: 500;
  padding: 7px 12px; border-radius: 8px; transition: background .15s, color .15s;
}
.nav .links a:hover { background: var(--card-2); color: var(--fg); }
.nav .links a.cta {
  background: var(--fg); color: #131316; border-radius: 9px;
}
.nav .links a.cta:hover { background: #d9d9de; color: #131316; }

/* ---- hero ---- */
.hero { text-align: center; padding: 84px 0 40px; }
.hero h1 {
  font-size: clamp(34px, 6vw, 56px); font-weight: 700; letter-spacing: -0.02em;
  line-height: 1.12;
}
.hero h1 .accent {
  background: linear-gradient(90deg, var(--accent), #b48cff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.sub {
  color: var(--muted); max-width: 620px; margin: 18px auto 0; font-size: 17.5px;
}
.hero .actions { display: flex; gap: 12px; justify-content: center; margin-top: 30px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 10px; font-weight: 600; font-size: 15px;
  text-decoration: none; transition: transform .12s, background .15s;
  border: 1px solid transparent;
}
.btn:active { transform: scale(.98); }
.btn.primary { background: var(--fg); color: #131316; }
.btn.primary:hover { background: #d9d9de; }
.btn.ghost { background: var(--card); color: var(--fg); border-color: var(--border); }
.btn.ghost:hover { background: var(--card-2); }
.hero .note { color: var(--muted-2); font-size: 13px; margin-top: 14px; }

/* ---- CSS mock of the app window ---- */
.mock { margin: 56px auto 0; max-width: 900px; text-align: left;
  border: 1px solid var(--border); border-radius: 14px; overflow: hidden;
  background: var(--bg);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.02);
}
.mock .mtb { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.mock .mtb .t { font-size: 12.5px; font-weight: 600; color: var(--muted); margin-right: 4px; }
.mock .chip {
  font-size: 12px; padding: 5px 12px; border: 1px solid var(--border);
  background: var(--card); border-radius: 8px; color: var(--fg);
  box-shadow: 0 1px 2px rgba(0,0,0,.25);
}
.mock .chip.badge { margin-left: auto; color: var(--muted); }
.mock .chip.badge b { color: var(--fg); }
.mock .mbody { display: flex; min-height: 340px; gap: 8px; padding: 8px; }
.mock .mside {
  width: 200px; flex-shrink: 0; background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px; font-size: 12.5px; color: var(--muted);
}
.mock .mside .row { padding: 5px 8px; border-radius: 6px; display: flex; gap: 7px; align-items: center; }
.mock .mside .row.sel { background: var(--card-2); color: var(--fg); }
.mock .mside .row .ico { opacity: .7; }
.mock .mside .sub { padding-left: 18px; }
.mock .mmain { flex: 1; border: 1px solid var(--border); border-radius: 10px; padding: 26px 32px; background: color-mix(in oklab, var(--card) 45%, var(--bg)); }
.mock .mmain h4 { font-size: 21px; margin-bottom: 12px; }
.mock .line { height: 9px; border-radius: 5px; background: var(--card-2); margin: 9px 0; }
.mock .line.w60 { width: 60%; } .mock .line.w85 { width: 85%; } .mock .line.w40 { width: 40%; }
.mock .code {
  margin-top: 16px; background: #0e0e11; border: 1px solid var(--border); border-radius: 8px;
  padding: 12px 14px; font-family: Consolas, monospace; font-size: 12px; color: #8ec7ff;
}
.mock .code .c2 { color: #7ee787; } .mock .code .c3 { color: #79818b; }

/* ---- sections ---- */
section { padding: 72px 0; }
.sec-head { text-align: center; margin-bottom: 40px; }
.sec-head h2 { font-size: 30px; letter-spacing: -0.01em; }
.sec-head p { color: var(--muted); margin-top: 8px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; transition: border-color .15s, transform .15s;
}
.card:hover { border-color: color-mix(in oklab, var(--accent) 45%, var(--border)); transform: translateY(-2px); }
.card .ico { font-size: 22px; }
.card h3 { font-size: 16.5px; margin: 10px 0 6px; }
.card p { color: var(--muted); font-size: 14px; }

/* ---- pricing ---- */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; max-width: 860px; margin: 0 auto; }
.plan { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; text-align: center; position: relative; }
.plan.hot { border-color: color-mix(in oklab, var(--accent) 60%, var(--border)); }
.plan .tag {
  position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #0e0e11; font-size: 11.5px; font-weight: 700;
  padding: 3px 12px; border-radius: 999px;
}
.plan h3 { font-size: 15px; color: var(--muted); font-weight: 600; }
.plan .price { font-size: 34px; font-weight: 700; margin: 10px 0 2px; }
.plan .per { color: var(--muted-2); font-size: 13px; }
.plan ul { list-style: none; margin: 18px 0 0; color: var(--muted); font-size: 13.5px; text-align: left; }
.plan ul li { padding: 5px 0 5px 24px; position: relative; }
.plan ul li::before { content: "✓"; position: absolute; left: 4px; color: var(--accent); font-weight: 700; }

/* ---- FAQ ---- */
.faq { max-width: 720px; margin: 0 auto; }
.faq details { background: var(--card); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 10px; }
.faq summary { cursor: pointer; padding: 15px 18px; font-weight: 600; font-size: 14.5px; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--muted); }
.faq details[open] summary::after { content: "–"; }
.faq .a { padding: 0 18px 15px; color: var(--muted); font-size: 14px; }

/* ---- footer ---- */
footer { border-top: 1px solid var(--border); padding: 28px 0 36px; color: var(--muted-2); font-size: 13px; }
footer .cols { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--fg); }
footer .right { margin-left: auto; }

/* ---- legal pages ---- */
.legal { max-width: 720px; margin: 0 auto; padding: 56px 24px; }
.legal h1 { font-size: 28px; margin-bottom: 20px; }
.legal h2 { font-size: 18px; margin: 26px 0 8px; }
.legal p, .legal li { color: var(--muted); font-size: 14.5px; }
.legal .todo { background: #3a2a12; border: 1px solid #6b4c1c; color: #f0c674; padding: 10px 14px; border-radius: 8px; font-size: 13.5px; margin: 14px 0; }

@media (max-width: 720px) {
  .mock .mside { display: none; }
  .hero { padding-top: 56px; }
}