:root {
  --ground: #eff1ee;
  --paper: #fbfcfb;
  --ink: #16202a;
  --muted: #55616b;
  --line: #c9d0d4;
  --action: #0a5c66;
  --action-ink: #ffffff;
  --marker: #f2b705;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --sans: "Instrument Sans", system-ui, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #10171d; --paper: #172029; --ink: #e8edf0; --muted: #9aa7b0;
    --line: #2c3945; --action: #5cc3cf; --action-ink: #08242a; --marker: #f2b705;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--ground); color: var(--ink); font: 17px/1.55 var(--sans); }
a { color: var(--action); }
:focus-visible { outline: 3px solid var(--marker); outline-offset: 2px; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
header.top { padding: 22px 0; display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 20px; letter-spacing: -0.01em; color: var(--ink); text-decoration: none; }
nav a { margin-left: 22px; color: var(--ink); text-decoration: none; font-size: 15px; }
nav a:hover { text-decoration: underline; }

.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; padding: 36px 0 72px; align-items: start; }
h1 { font-size: clamp(36px, 5.2vw, 58px); line-height: 1.04; letter-spacing: -0.03em; margin: 0 0 20px; font-weight: 700; max-width: 14ch; }
.lede { font-size: 19px; max-width: 34em; margin: 0 0 28px; }
.cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.btn { display: inline-block; background: var(--action); color: var(--action-ink); border: 0; padding: 13px 22px; font: 600 16px var(--sans); border-radius: 4px; text-decoration: none; cursor: pointer; }
.btn:hover { filter: brightness(1.12); }
.btn[disabled] { opacity: .6; cursor: progress; }
.link { color: var(--ink); font-weight: 500; }

/* The call sheet: a real script, shown the way the app shows it */
.sheet { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; font-family: var(--mono); font-size: 14px; overflow: hidden; }
.sheet-head { padding: 12px 16px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 13px; }
.sheet ol { list-style: none; margin: 0; padding: 8px 0; }
.sheet li { display: grid; grid-template-columns: 9ch 12ch 1fr; gap: 10px; padding: 6px 16px; align-items: baseline; }
.sheet li.pending { visibility: hidden; }
.wait { color: var(--muted); }
.act { font-weight: 700; }
.act.say::before, .act.press::before, .act.hang::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 8px; background: var(--action); }
.act.press::before { background: var(--marker); }
.act.hang::before { background: var(--muted); }
.log { border-top: 1px solid var(--line); padding: 12px 16px; color: var(--muted); font-size: 13px; min-height: 76px; }
.log p { margin: 0 0 4px; }
.log .ok { color: var(--action); font-weight: 700; }

section { padding: 64px 0; border-top: 1px solid var(--line); }
h2 { font-size: clamp(26px, 3.4vw, 36px); letter-spacing: -0.02em; line-height: 1.12; margin: 0 0 28px; max-width: 22ch; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 56px; }
.two h3, .steps h3 { margin: 0 0 4px; font-size: 18px; }
.two p, .steps p { margin: 0; color: var(--muted); max-width: 34em; }
.steps { counter-reset: s; display: grid; gap: 22px; max-width: 44em; padding: 0; list-style: none; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 40px 1fr; }
.steps li::before { content: counter(s); font: 700 15px var(--mono); color: var(--action); padding-top: 3px; }

.tiers { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 6px; background: var(--paper); }
.tier { padding: 28px 26px 30px; display: flex; flex-direction: column; gap: 6px; }
.tier + .tier { border-left: 1px solid var(--line); }
.tier h3 { margin: 0; font-size: 20px; }
.price { font-size: 44px; font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; }
.tier p { margin: 0 0 14px; color: var(--muted); flex: 1; }
.note { color: var(--muted); font-size: 15px; max-width: 44em; margin-top: 18px; }
#buy-error { color: #b3261e; margin-top: 14px; min-height: 1.5em; }
@media (prefers-color-scheme: dark) { #buy-error { color: #ff9b94; } }

details { border-top: 1px solid var(--line); padding: 14px 0; max-width: 46em; }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 600; }
details p { margin: 10px 0 0; color: var(--muted); }

footer { border-top: 1px solid var(--line); padding: 30px 0 48px; color: var(--muted); font-size: 15px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

.page { max-width: 640px; padding: 24px 0 80px; }
.keybox { font: 13px/1.5 var(--mono); background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 14px; word-break: break-all; user-select: all; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 32px; padding-bottom: 48px; }
  .two { grid-template-columns: 1fr; }
  .tiers { grid-template-columns: 1fr; }
  .tier + .tier { border-left: 0; border-top: 1px solid var(--line); }
  section { padding: 44px 0; }
}
.fine { font-size: 14px; color: var(--muted, #5b625d); }
#demo ol { padding-left: 20px; } #demo li { margin: 12px 0; }

#demo form .row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 6px; }
#demo input[type=email] { flex: 1 1 260px; min-width: 0; font: 16px var(--sans); padding: 12px 14px; border: 1px solid var(--line); border-radius: 4px; background: var(--paper); color: var(--ink); }
#demo label { font-weight: 600; }
#demo .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
#demo .err { color: #b3261e; min-height: 1.2em; margin: 8px 0 0; }
#demo .keybox { font-size: 18px; letter-spacing: .5px; }
#demo .btn.small { padding: 8px 14px; font-size: 14px; }
#demo .junk { border-left: 3px solid var(--line); padding: 2px 0 2px 14px; margin: 18px 0; }
#demo .junk h3 { margin: 0 0 4px; font-size: 16px; }
@media (prefers-color-scheme: dark) { #demo .err { color: #ff9c92; } }

/* guide */
.toc { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 14px 18px; margin: 0 0 8px; }
.toc ul { margin: 6px 0 0; padding-left: 18px; columns: 2; column-gap: 32px; }
.guide section { padding: 36px 0 8px; border-top: 1px solid var(--line); margin-top: 28px; }
.guide h2 { font-size: clamp(24px, 3vw, 30px); letter-spacing: -0.02em; margin: 0 0 14px; max-width: none; }
.guide h3 { font-size: 18px; margin: 22px 0 6px; }
.guide li { margin: 6px 0; }
.guide code { font-family: var(--mono); font-size: .9em; background: var(--paper); border: 1px solid var(--line); border-radius: 3px; padding: 1px 5px; }
.guide pre { font: 13px/1.5 var(--mono); background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 14px; overflow-x: auto; }
.guide table { border-collapse: collapse; margin: 10px 0; }
.guide th, .guide td { border: 1px solid var(--line); padding: 6px 12px; text-align: left; }
.guide dt { font-weight: 600; margin-top: 16px; }
.guide dd { margin: 4px 0 0; }
.vtag { display: inline-block; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; background: var(--marker); color: #1b1b1b; border-radius: 3px; padding: 1px 6px; margin-right: 4px; }
@media (max-width: 640px) { .toc ul { columns: 1; } }