:root {
  --bg: #0b0c0f;
  --bg2: #0e1014;
  --surface: #14161c;
  --surface2: #1a1d24;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --ink: #edeef1;
  --muted: #9499a2;
  --faint: #6b7079;
  --accent: #ffd14a;
  --accent-ink: #1a1500;
  --green: #5dcaa5;
  --radius: 18px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(900px 500px at 78% -8%, rgba(255, 209, 74, 0.10), transparent 60%),
    radial-gradient(700px 460px at 8% 6%, rgba(93, 202, 165, 0.06), transparent 55%),
    var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}

.wrap { max-width: 860px; margin: 0 auto; padding: 0 22px 110px; }

/* ---- enter animation ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
.rise { opacity: 0; animation: fadeUp 0.6s cubic-bezier(0.2, 0, 0, 1) forwards; }
@media (prefers-reduced-motion: reduce) {
  .rise { animation: none; opacity: 1; }
}

/* ---- header ---- */
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 26px 0 0;
}
.brand { font-size: 16px; font-weight: 700; letter-spacing: -0.01em; }
.brand span { color: var(--accent); }
.ghost-link {
  font-size: 13px; color: var(--muted); text-decoration: none;
  padding: 8px 12px; border-radius: 10px; border: 1px solid var(--border);
  transition: color 0.18s, border-color 0.18s, scale 0.12s;
  display: inline-flex; align-items: center; gap: 6px; min-height: 40px;
}
.ghost-link:hover { color: var(--ink); border-color: var(--border-strong); }
.ghost-link:active { scale: 0.96; }

/* ---- hero ---- */
.hero { padding: 76px 0 18px; }
.eyebrow {
  display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--accent);
  padding: 6px 11px; border-radius: 999px;
  background: rgba(255, 209, 74, 0.10); border: 1px solid rgba(255, 209, 74, 0.22);
}
h1 {
  font-size: clamp(34px, 6vw, 56px); line-height: 1.04; letter-spacing: -0.03em;
  margin: 20px 0 0; font-weight: 760; text-wrap: balance;
}
h1 .dim { color: var(--faint); }
.lede {
  font-size: clamp(15px, 2.2vw, 18px); color: var(--muted);
  margin: 18px 0 0; max-width: 56ch; text-wrap: pretty;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.btn {
  appearance: none; border: 0; cursor: pointer; font: inherit; font-weight: 600;
  font-size: 14px; padding: 12px 18px; border-radius: 12px; min-height: 44px;
  display: inline-flex; align-items: center; gap: 8px;
  transition: scale 0.12s, background 0.18s, border-color 0.18s, color 0.18s;
  text-decoration: none;
}
.btn:active { scale: 0.96; }
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 1px 0 rgba(255,255,255,0.25) inset, 0 8px 24px -10px rgba(255,209,74,0.5); }
.btn-primary:hover { background: #ffd95f; }
.btn-secondary { background: var(--surface); color: var(--ink); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--border-strong); }

/* ---- section scaffolding ---- */
section { margin-top: 64px; }
.kicker { font-size: 12px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--faint); }
h2 { font-size: clamp(22px, 3.4vw, 30px); letter-spacing: -0.02em; margin: 8px 0 0; font-weight: 720; text-wrap: balance; }
.sub { color: var(--muted); margin: 8px 0 0; max-width: 60ch; text-wrap: pretty; }

/* ---- flow steps ---- */
.steps { display: grid; gap: 14px; grid-template-columns: 1fr; margin-top: 26px; }
@media (min-width: 680px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step {
  background: linear-gradient(180deg, var(--surface), var(--bg2));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.03) inset, 0 18px 40px -28px rgba(0,0,0,0.9);
}
.step .n {
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  font-size: 13px; font-weight: 700; color: var(--accent-ink); background: var(--accent);
  font-variant-numeric: tabular-nums;
}
.step h3 { margin: 14px 0 0; font-size: 16px; font-weight: 650; letter-spacing: -0.01em; }
.step p { margin: 6px 0 0; color: var(--muted); font-size: 13.5px; text-wrap: pretty; }
.step code { color: var(--accent); }

/* ---- shared card / code ---- */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; margin-top: 26px;
  box-shadow: 0 18px 50px -34px rgba(0,0,0,0.9);
}
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; }
pre {
  margin: 0; background: #0a0b0e; border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 16px; overflow-x: auto; font-size: 12.5px; line-height: 1.7;
  color: #cdd2da;
}
pre .c { color: var(--faint); }
pre .k { color: var(--accent); }
pre .s { color: var(--green); }

/* ---- kinds tabs ---- */
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.tab {
  appearance: none; cursor: pointer; font: inherit; font-size: 13px; font-weight: 600;
  padding: 9px 14px; border-radius: 999px; min-height: 40px;
  background: var(--surface); color: var(--muted); border: 1px solid var(--border);
  transition: scale 0.12s, color 0.18s, background 0.18s, border-color 0.18s;
}
.tab:active { scale: 0.96; }
.tab[data-on="true"] { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.tab[data-on="false"]:hover { color: var(--ink); border-color: var(--border-strong); }
.kind-body { margin-top: 16px; min-height: 92px; }
.kind-body h3 { margin: 0; font-size: 17px; letter-spacing: -0.01em; }
.kind-body p { margin: 6px 0 0; color: var(--muted); font-size: 14px; text-wrap: pretty; }
.kind-body .ex { margin-top: 10px; font-size: 12.5px; color: var(--faint); }

/* ---- visibility picker ---- */
.vis-grid { display: grid; grid-template-columns: 1fr; gap: 10px; margin-top: 20px; }
@media (min-width: 680px) { .vis-grid { grid-template-columns: repeat(3, 1fr); } }
.vis {
  text-align: left; cursor: pointer; font: inherit; color: var(--ink);
  background: var(--bg2); border: 1px solid var(--border); border-radius: 14px;
  padding: 15px; transition: scale 0.12s, border-color 0.18s, background 0.18s;
}
.vis:active { scale: 0.97; }
.vis[data-on="true"] { border-color: var(--accent); background: rgba(255,209,74,0.06); }
.vis .dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; margin-right: 8px; }
.vis .label { font-weight: 650; font-size: 14px; text-transform: capitalize; }
.vis .who { color: var(--muted); font-size: 12.5px; margin: 6px 0 0; }
.share {
  margin-top: 16px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: #0a0b0e; border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px;
}
.share .lbl { font-size: 12px; color: var(--faint); }
.share .url { font-size: 12.5px; color: var(--green); word-break: break-all; }

/* ---- footer ---- */
.meta-note {
  margin-top: 70px; padding-top: 26px; border-top: 1px solid var(--border);
  color: var(--faint); font-size: 13px; display: flex; align-items: center; gap: 9px; flex-wrap: wrap;
}
.meta-note b { color: var(--muted); font-weight: 600; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 rgba(93,202,165,0.6); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(93,202,165,0.5); } 70% { box-shadow: 0 0 0 7px rgba(93,202,165,0); } 100% { box-shadow: 0 0 0 0 rgba(93,202,165,0); } }