:root {
  --bg: #0a0c0f; --panel: #11151a; --panel-2: #161b22; --line: #232a33;
  --fg: #e9eef3; --muted: #8b96a4; --dim: #6b7582;
  --accent: #2ee59d; --accent-ink: #03140c; --error: #ff8f8f;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Inter, Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { color-scheme: dark; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.logo { font: 600 18px var(--mono); letter-spacing: -.02em; display: inline-flex; align-items: center; gap: 8px; text-decoration: none; }
.logo::before { content: ""; width: 10px; height: 10px; border-radius: 2px; background: var(--fg); }

header { max-width: 1040px; margin: 0 auto; padding: 20px 16px; }
.hero { max-width: 760px; margin: 0 auto; padding: 56px 16px 0; text-align: center; }
h1 { font-size: clamp(2.1rem, 6vw, 3.9rem); line-height: 1.05; letter-spacing: -.035em; margin: 0; font-weight: 700; }
.sub { font-size: clamp(1.1rem, 2.4vw, 1.4rem); color: var(--muted); margin: 14px 0 0; }

/* form */
.join { display: flex; gap: 8px; margin: 28px auto 0; max-width: 520px; }
.join input[type=email] { flex: 1 1 auto; min-width: 0; height: 54px; padding: 0 16px; font: inherit; font-size: 17px; color: var(--fg); background: var(--panel); border: 1px solid var(--line); border-radius: 10px; outline: none; }
.join input[type=email]:focus { border-color: var(--muted); }
.join.bad input[type=email] { border-color: var(--error); }
.join button, .btn { height: 54px; padding: 0 22px; font: 650 17px var(--sans); color: var(--accent-ink); background: var(--accent); border: 0; border-radius: 10px; cursor: pointer; white-space: nowrap; display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.join button:hover, .btn:hover { filter: brightness(1.08); }
.join button:disabled { opacity: .6; cursor: wait; }
.join button:focus-visible, .btn:focus-visible, .join input:focus-visible { outline: 2px solid var(--fg); outline-offset: 2px; }
.cf-turnstile { display: flex; justify-content: center; margin-top: 10px; }
.fine { font-size: 13px; color: var(--dim); margin: 10px 0 0; }
.msg { margin: 10px auto 0; max-width: 520px; font-size: 15px; }
.msg:empty { display: none; }
.msg.err { color: var(--error); }
.done { margin: 28px auto 0; padding: 16px 18px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); max-width: 520px; }
@media (max-width: 520px) { .join { flex-direction: column; } }

/* demo */
.wrap { padding: 0 16px; }
.window { max-width: 880px; margin: 56px auto 0; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); overflow: hidden; box-shadow: 0 30px 80px -30px rgba(0,0,0,.8); }
.bar { display: flex; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.bar i { width: 11px; height: 11px; border-radius: 50%; background: var(--line); }
.pane { padding: 20px 22px; }
.pane + .pane { border-top: 1px solid var(--line); }
.label { font: 12px var(--mono); color: var(--dim); text-transform: uppercase; letter-spacing: .08em; margin: 0 0 10px; }
.strategy { font: 15px/1.6 var(--mono); white-space: pre-wrap; margin: 0; min-height: 4.8em; }
.caret::after { content: "▍"; color: var(--accent); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.chart { display: block; width: 100%; height: auto; }
.chart .line { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linejoin: round; }
.chart .zero { stroke: var(--line); stroke-dasharray: 4 4; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin: 0; }
.stats div { background: var(--panel-2); padding: 12px 14px; }
.stats dt { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.stats dd { margin: 2px 0 0; font: 600 22px var(--mono); font-variant-numeric: tabular-nums; }
@media (max-width: 620px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.caption { font-size: 13px; color: var(--dim); margin: 10px 0 0; }
.pending { opacity: 0; transform: translateY(8px); }
.pending.on { opacity: 1; transform: none; transition: opacity .5s, transform .5s; }

footer { color: var(--dim); font-size: 13px; padding: 32px 16px; text-align: center; border-top: 1px solid var(--line); margin-top: 64px; }
footer a { color: var(--muted); margin: 0 6px; }

/* text pages: privacy, legal, confirm/unsubscribe */
.doc { max-width: 680px; margin: 0 auto; padding: 24px 16px 64px; }
.doc h1 { font-size: clamp(1.8rem, 5vw, 2.4rem); margin: 48px 0 16px; }
.doc h2 { font-size: 18px; margin: 32px 0 8px; }
.doc p, .doc li { color: #c9d1da; }
.doc .btn { height: 46px; font-size: 16px; }