/* DENZO Digital public demo — standalone styles (same palette as the app; no external fonts or CDNs). */
:root {
  color-scheme: dark;
  --ink-950: #0b0c0e;
  --ink-900: #101215;
  --ink-850: #14171b;
  --ink-800: #1a1e23;
  --ink-700: #23282e;
  --ink-600: #2e343b;
  --line: #262b31;
  --silver-50: #f2f4f6;
  --silver-200: #d3d8de;
  --silver-300: #bcc2ca;
  --silver-400: #a3abb5;
  --silver-500: #858d97;
  --silver-600: #6a727c;
  --teal-300: #7fd6c8;
  --teal-400: #4cbfae;
  --teal-500: #2f9f8f;
  --teal-900: #12302c;
  --amber-400: #d9a94f;
  --amber-900: #33280f;
  --rose-400: #e07a7a;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--ink-950); color: var(--silver-200); font-family: var(--sans); line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
.wrap { max-width: 64rem; margin: 0 auto; padding: 0 1rem; }
.narrow { max-width: 48rem; }
.banner { border-bottom: 1px solid rgba(217, 169, 79, 0.3); background: rgba(51, 40, 15, 0.4); color: var(--amber-400); text-align: center; font-size: 12px; padding: 0.5rem 1rem; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-top: 1rem; padding-bottom: 1rem; }
.brand { font-weight: 600; letter-spacing: 0.02em; color: var(--silver-50); text-decoration: none; }
.brand span { color: var(--teal-400); }
.eyebrow { font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.18em; color: var(--teal-400); margin: 0; }
h1 { margin: 0.75rem 0 0; max-width: 42rem; font-size: clamp(1.9rem, 5vw, 3rem); line-height: 1.15; font-weight: 600; letter-spacing: -0.01em; color: var(--silver-50); }
h2 { margin: 0; font-size: 1.25rem; font-weight: 600; color: var(--silver-50); }
h3 { margin: 0.25rem 0 0; font-size: 1rem; font-weight: 600; color: var(--silver-50); }
.lead { margin: 1rem 0 0; max-width: 36rem; font-size: 1rem; color: var(--silver-400); }
.muted { color: var(--silver-500); }
.faint { color: var(--silver-600); }
.small { font-size: 12px; }
.tiny { font-size: 11px; }
.amber { color: var(--amber-400); }
.hero { padding-top: 2.5rem; padding-bottom: 3rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.375rem; border-radius: 0.375rem; border: 1px solid var(--ink-600); background: var(--ink-800); padding: 0.6rem 1.25rem; font: 500 1rem var(--sans); color: var(--silver-200); text-decoration: none; cursor: pointer; transition: background-color 0.15s, border-color 0.15s; }
.btn:hover { border-color: var(--silver-600); background: var(--ink-700); }
.btn-primary { border-color: var(--teal-500); background: var(--teal-500); color: var(--ink-950); }
.btn-primary:hover { border-color: var(--teal-400); background: var(--teal-400); }
.btn-sm { padding: 0.4rem 0.9rem; font-size: 0.875rem; }
.btn:disabled { cursor: not-allowed; opacity: 0.5; }
.band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(16, 18, 21, 0.6); }
.steps { display: grid; gap: 1.5rem; padding-top: 2.5rem; padding-bottom: 2.5rem; }
.steps p { margin: 0.25rem 0 0; font-size: 0.875rem; color: var(--silver-400); }
.steps .num { font-family: var(--mono); font-size: 12px; color: var(--teal-400); margin: 0; }
section.block { padding-top: 3rem; padding-bottom: 3rem; }
.grid2 { display: grid; gap: 1rem; margin-top: 1.25rem; }
.card { border-radius: 0.75rem; border: 1px solid var(--line); background: rgba(16, 18, 21, 0.8); padding: 1.25rem; }
.card.accent { border-color: rgba(47, 159, 143, 0.4); }
.label { display: block; margin-bottom: 0.25rem; font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; color: var(--silver-500); }
.price { margin: 0; font-size: 2.25rem; font-weight: 600; color: var(--silver-50); }
.price small { font-size: 1rem; font-weight: 400; color: var(--silver-500); }
ul.dots { list-style: none; margin: 1rem 0 0; padding: 0; font-size: 0.875rem; color: var(--silver-300); }
ul.dots li { display: flex; gap: 0.5rem; margin-top: 0.5rem; }
ul.dots li::before { content: ""; margin-top: 0.55rem; width: 4px; height: 4px; flex-shrink: 0; border-radius: 999px; background: var(--teal-400); }
.note { margin-top: 1rem; border-radius: 0.5rem; border: 1px solid var(--line); background: var(--ink-900); padding: 1rem; font-size: 12px; color: var(--silver-400); }
.note ul { margin: 0.25rem 0 0; padding-left: 1.1rem; }
.contact-card { margin-top: 1.25rem; }
.contact-card .email { font-family: var(--mono); color: var(--teal-300); word-break: break-all; }
footer { padding: 1.5rem 1rem; text-align: center; font-size: 11px; color: var(--silver-600); }
@media (min-width: 640px) {
  .wrap { padding: 0 1.5rem; }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .hero { padding-top: 4rem; }
}
@media (min-width: 768px) {
  .grid2 { grid-template-columns: 1fr 1fr; }
}

/* ---- Receptionist demo ---- */
.demo-page { padding: 1.5rem 1rem 2.5rem; }
.demo-intro { max-width: 28rem; margin: 0 auto 1rem; text-align: center; }
.demo-intro h1 { margin: 0.5rem auto 0; font-size: 1.5rem; }
.demo-intro p { margin: 0.5rem 0 0; font-size: 0.875rem; color: var(--silver-400); }
.chat { margin: 0 auto; display: flex; flex-direction: column; height: min(720px, calc(100dvh - 180px)); min-height: 480px; max-width: 28rem; overflow: hidden; border-radius: 1rem; border: 1px solid var(--ink-600); background: var(--ink-900); box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4); }
.chat header { display: flex; align-items: center; gap: 0.75rem; border-bottom: 1px solid var(--line); background: var(--ink-850); padding: 0.75rem 1rem; }
.avatar { display: grid; place-items: center; width: 2.25rem; height: 2.25rem; flex-shrink: 0; border-radius: 999px; background: var(--teal-900); font-size: 0.875rem; font-weight: 700; color: var(--teal-300); }
.chat header .title { margin: 0; font-size: 0.875rem; font-weight: 600; color: var(--silver-50); }
.chat header .sub { margin: 0; font-size: 11px; color: var(--silver-500); }
.badge { margin-left: auto; border-radius: 999px; border: 1px solid rgba(217, 169, 79, 0.4); background: rgba(51, 40, 15, 0.7); color: var(--amber-400); font-size: 11px; font-weight: 500; padding: 0.1rem 0.5rem; white-space: nowrap; }
.msgs { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: 0.75rem; }
.msg { display: flex; }
.msg.user { justify-content: flex-end; }
.bubble { max-width: 85%; white-space: pre-line; border-radius: 1rem; padding: 0.5rem 0.875rem; font-size: 0.875rem; line-height: 1.6; }
.msg.bot .bubble { border-bottom-left-radius: 0.25rem; background: var(--ink-800); color: var(--silver-200); }
.msg.user .bubble { border-bottom-right-radius: 0.25rem; background: var(--teal-500); color: var(--ink-950); }
.summary { border-radius: 0.75rem; border: 1px solid var(--line); background: var(--ink-850); padding: 0.75rem; font-size: 12px; margin: 0; }
.summary div { display: flex; justify-content: space-between; gap: 0.75rem; padding: 0.15rem 0; }
.summary dt { color: var(--silver-500); }
.summary dd { margin: 0; text-align: right; color: var(--silver-50); }
.composer { border-top: 1px solid var(--line); background: var(--ink-850); padding: 0.75rem; }
.error { margin: 0 0 0.5rem; font-size: 12px; color: var(--rose-400); }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip { border-radius: 999px; border: 1px solid rgba(47, 159, 143, 0.5); background: transparent; padding: 0.375rem 0.75rem; font: 0.875rem var(--sans); color: var(--teal-300); cursor: pointer; }
.chip:hover { background: var(--teal-900); }
.row { display: flex; gap: 0.5rem; }
.stack { display: flex; flex-direction: column; gap: 0.5rem; }
.field { width: 100%; border-radius: 0.375rem; border: 1px solid var(--ink-600); background: var(--ink-850); padding: 0.5rem 0.625rem; font: 1rem var(--sans); color: var(--silver-50); outline: none; }
.field::placeholder { color: var(--silver-600); }
.field:focus { border-color: var(--teal-500); box-shadow: 0 0 0 1px rgba(47, 159, 143, 0.4); }
.check { display: flex; gap: 0.5rem; font-size: 12px; color: var(--silver-400); }
.check input { margin-top: 0.15rem; accent-color: var(--teal-500); }
.hint { margin: 0; font-size: 11px; color: var(--silver-600); }
.done { border-radius: 0.75rem; border: 1px solid rgba(47, 159, 143, 0.4); background: rgba(18, 48, 44, 0.5); padding: 0.75rem; font-size: 0.875rem; color: var(--teal-300); }
.done p { margin: 0 0 0.5rem; }
.demo-cta { max-width: 28rem; margin: 1rem auto 0; text-align: center; font-size: 0.875rem; color: var(--silver-400); }
@media (min-width: 640px) { .field { font-size: 0.875rem; } }