:root {
  --brand: #2f6feb;      /* flat blue — no gradients, no purple */
  --brand-2: #1e54c8;
  --bg: #0e0f12;
  --bg-2: #15171c;
  --card: #171a20;
  --line: #262a31;
  --ink: #e8eaee;
  --muted: #9aa1ad;
  --good: #4cc38a;
  --warn: #e0a13a;
  --radius: 12px;
  --max: 960px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg);
  color: var(--ink); font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
header.nav { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--ink); }
.brand img { width: 30px; height: 30px; border-radius: 7px; }
.nav-links { display: flex; gap: 18px; font-size: 14px; }
.nav-links a { color: var(--muted); }

.hero { text-align: left; padding: 48px 0 26px; border-bottom: 1px solid var(--line); }
.hero h1 { font-size: clamp(30px, 6vw, 48px); line-height: 1.08; margin: 0 0 14px; letter-spacing: -0.02em; max-width: 760px; }
.hero h1 .hl { color: var(--brand); }
.hero p.sub { font-size: clamp(16px, 2.2vw, 19px); color: var(--muted); max-width: 620px; margin: 0 0 24px; }
.cta-row { display: flex; gap: 12px; justify-content: flex-start; flex-wrap: wrap; align-items: center; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; border-radius: 9px; font-weight: 700; font-size: 15px; border: 1px solid transparent; cursor: pointer; }
.btn.primary { background: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-2); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--muted); text-decoration: none; }
.btn.drag { background: #11203a; color: #cfe0ff; border: 1px dashed var(--brand); cursor: grab; }
.hint { color: var(--muted); font-size: 13px; margin-top: 10px; }

section { padding: 34px 0; }
h2 { font-size: clamp(22px, 4vw, 28px); margin: 0 0 8px; letter-spacing: -0.01em; }
.lead { color: var(--muted); margin: 0 0 22px; max-width: 680px; }

.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 720px) { .grid3 { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.card .n { width: 28px; height: 28px; border-radius: 7px; background: #1b2740; color: #9cc0ff; display: grid; place-items: center; font-weight: 800; margin-bottom: 10px; }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }

.demo { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.demo-card { /* a styled sample component for users to snip */
  display: flex; gap: 16px; align-items: center; padding: 18px; border-radius: 12px;
  background: #191c22; border: 1px solid #2c313a; max-width: 420px;
}
.demo-card .avatar { width: 54px; height: 54px; border-radius: 50%; background: var(--brand); flex: none; }
.demo-card .who { font-weight: 700; }
.demo-card .role { color: var(--muted); font-size: 13px; }
.demo-card .follow { margin-left: auto; background: var(--brand); color: #fff; border: none; padding: 8px 14px; border-radius: 8px; font-weight: 700; cursor: pointer; }
.out { margin-top: 16px; }
.out pre { background: #0a0b0e; border: 1px solid var(--line); border-radius: 10px; padding: 14px; overflow: auto; max-height: 280px; font: 12px/1.5 ui-monospace, Menlo, monospace; color: #cdd2da; }
.stat-pills { display: flex; gap: 10px; flex-wrap: wrap; margin: 10px 0; }
.pill { background: #1b1f26; border: 1px solid var(--line); border-radius: 6px; padding: 4px 12px; font-size: 13px; color: var(--muted); }
.pill b { color: var(--ink); }

table.cmp { width: 100%; border-collapse: collapse; font-size: 14px; }
table.cmp th, table.cmp td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
table.cmp th { color: var(--muted); font-weight: 600; }
table.cmp td.yes { color: var(--good); }
table.cmp td.no { color: #e06464; }

footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 26px 0 50px; color: var(--muted); font-size: 14px; }
footer .row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.badge { display: inline-block; background: #1b1f26; border: 1px solid var(--line); border-radius: 6px; padding: 3px 10px; font-size: 12px; color: var(--muted); }
.note { background: #12151b; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; color: #cdd2da; font-size: 13px; }