:root {
  --ink: #0b0b0c;
  --panel: #151517;
  --line: #2a2a2e;
  --off: #f4f2ea;
  --muted: #a9a9a3;
  --lime: #d9ff43;
  --cobalt: #3a5cff;
  --danger: #ff8a7a;
  --radius: 14px;
  --sans: 'Outfit', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --serif: 'Instrument Serif', Georgia, serif;
  --mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--off);
  font: 400 1rem/1.55 var(--sans);
}
a { color: var(--lime); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 2px; border-radius: 6px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }

/* header */
.top { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; }
.logo { text-decoration: none; color: var(--off); display: inline-block; line-height: 1; }
.logo b { font: 800 1.75rem var(--sans); letter-spacing: -0.04em; }
.logo i { font: italic 400 1.95rem var(--serif); color: var(--lime); margin-left: 1px; }
.logo small { display: block; font: 500 0.6rem var(--mono); letter-spacing: 0.5em; text-align: right; margin-top: 2px; color: var(--muted); }
.mono { font: 500 0.75rem var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }

/* layout */
.grid { display: grid; gap: 16px; padding-bottom: 48px; }
@media (min-width: 860px) { .grid { grid-template-columns: 340px 1fr; gap: 24px; } }
.grid > * { min-width: 0; }
[hidden] { display: none !important; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 20px; }
@media (min-width: 600px) { .card { padding: 28px; } }
h1 { font: 800 clamp(2rem, 7vw, 2.8rem)/1.02 var(--sans); letter-spacing: -0.035em; margin: 8px 0 14px; }
h1 em, h2 em { font: italic 400 1.08em var(--serif); color: var(--lime); letter-spacing: 0; }
h2 { font: 700 1.25rem var(--sans); margin: 0 0 14px; letter-spacing: -0.01em; }
.lead { color: var(--muted); margin: 0 0 18px; }
.facts { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.facts li { display: flex; gap: 10px; align-items: baseline; }
.facts .mono { min-width: 76px; }

/* time zone */
.tz { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; margin-bottom: 16px; }
.tz select { max-width: 100%; }

/* day + time pickers */
.days { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 6px; scrollbar-width: thin; scrollbar-color: #55555c transparent; }
.day, .time {
  font: 600 0.95rem var(--sans); color: var(--off); background: transparent;
  border: 1px solid var(--line); border-radius: 12px; cursor: pointer;
}
.day { flex: 0 0 auto; min-width: 74px; padding: 10px 8px; text-align: center; line-height: 1.25; }
.day span { display: block; font: 500 0.7rem var(--mono); text-transform: uppercase; color: var(--muted); }
.times { display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 8px; margin-top: 14px; }
.time { padding: 12px 8px; min-height: 48px; }
.day:hover, .time:hover { border-color: var(--lime); }
.day[aria-pressed='true'], .time[aria-pressed='true'] { background: var(--lime); color: #0b0b0c; border-color: var(--lime); }
.day[aria-pressed='true'] span { color: #3a4300; }
.empty { color: var(--muted); padding: 8px 0; }

/* form */
form { display: grid; gap: 16px; margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--line); }
.field label, .field legend { display: block; font-weight: 600; margin-bottom: 6px; padding: 0; }
.field .opt { font-weight: 400; color: var(--muted); }
input[type='text'], input[type='email'], input[type='tel'], select {
  width: 100%; min-height: 48px; padding: 10px 12px; font: inherit; color: var(--off);
  background: var(--ink); border: 1px solid #55555c; border-radius: 10px;
}
input:focus, select:focus { border-color: var(--lime); outline: 2px solid var(--lime); outline-offset: 1px; }
.field[data-invalid] input, .field[data-invalid] select { border-color: var(--danger); }
.err { color: var(--danger); font-size: 0.9rem; margin-top: 4px; min-height: 0; }
.check { display: flex; gap: 12px; align-items: flex-start; }
.check input { width: 22px; height: 22px; margin-top: 2px; accent-color: var(--lime); flex: none; }
.check label { font-weight: 400; margin: 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.btn {
  font: 700 1rem var(--sans); min-height: 52px; padding: 12px 22px; border-radius: 999px; cursor: pointer;
  border: 2px solid var(--lime); background: var(--lime); color: #0b0b0c; text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center;
}
.btn:hover { filter: brightness(1.06); }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--off); border-color: #55555c; }
.btn.ghost:hover { border-color: var(--lime); }
.btn.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }

.notice { border-radius: 10px; padding: 12px 14px; margin: 0 0 16px; border: 1px solid var(--line); }
.notice.bad { border-color: var(--danger); color: var(--danger); }
.notice.good { border-color: var(--lime); }
.notice:empty { display: none; }
.alts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.small { font-size: 0.875rem; color: var(--muted); }

/* confirmation */
.when { font: 800 clamp(1.5rem, 5.5vw, 2rem)/1.15 var(--sans); letter-spacing: -0.02em; margin: 6px 0; }
.link-box { word-break: break-all; }
.tag { display: inline-block; border: 1px solid var(--lime); color: var(--lime); border-radius: 999px; padding: 2px 10px; font: 500 0.75rem var(--mono); text-transform: uppercase; }
.tag.off { border-color: var(--danger); color: var(--danger); }

.doc { max-width: 720px; padding-bottom: 48px; }
.doc h2 { margin-top: 28px; }
.doc .card { margin-bottom: 16px; }
.doc .card h2 { margin-top: 0; }
.doc li { margin-bottom: 6px; }
footer { border-top: 1px solid var(--line); padding: 20px 0 32px; color: var(--muted); font-size: 0.875rem; }

@media (prefers-reduced-motion: no-preference) {
  .day, .time, .btn { transition: background 0.15s, border-color 0.15s, color 0.15s; }
}