:root {
  color-scheme: light;
  --ink: #242e2a;
  --muted: #58645f;
  --accent: #244c43;
  --line: #e3e8e4;
  --soft: #f3f6f2;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: #626d60;
  font-synthesis: none;
}
* { box-sizing: border-box; }
body { margin: 0; padding: 48px 24px; line-height: 1.65; }
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(rgb(0 0 0 / 35%), rgb(0 0 0 / 35%)), url("/complex-bg.jpg") center / cover;
}
a { color: var(--accent); text-underline-offset: 4px; }
a:focus-visible { outline: 3px solid #9e651d; outline-offset: 5px; }
.page { max-width: 960px; margin: 0 auto; padding: 40px 56px 24px; border-radius: 28px; background: #fff; box-shadow: 0 16px 64px rgb(0 0 0 / 22%); }
.brand { display: flex; gap: 12px; align-items: center; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.brand-mark { width: 48px; height: 48px; flex-shrink: 0; color: var(--accent); }
.brand-name { display: block; font-size: 20px; font-weight: 750; letter-spacing: .12em; line-height: 1.4; }
.brand-caption { display: block; font-size: 11px; color: var(--muted); }
.resident-label { margin-left: auto; font-size: 12px; color: var(--muted); white-space: nowrap; }
.intro { padding-top: 40px; padding-bottom: 36px; }
.eyebrow { margin: 0 0 16px; font-size: 11px; font-weight: 700; letter-spacing: .13em; color: var(--accent); }
h1 { margin: 0; max-width: 680px; font-size: clamp(32px, 4.8vw, 48px); line-height: 1.13; letter-spacing: -.035em; font-weight: 750; }
.lead { max-width: 620px; margin: 24px 0; font-size: 18px; color: var(--muted); }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 24px; min-height: 52px; padding: 12px 24px; border-radius: 12px; background: var(--accent); color: white; font-size: 15px; font-weight: 650; text-decoration: none; transition: background .15s; }
.button:hover { background: #183b32; }
.button span { font-size: 20px; font-weight: 400; }
.button-note { margin: 10px 0 0; font-size: 12px; color: var(--muted); }
.section { border-top: 1px solid var(--line); padding: 32px 0; }
h2 { margin: 0 0 20px; font-size: 25px; line-height: 1.25; letter-spacing: -.025em; }
h3 { margin: 0 0 4px; font-size: 17px; line-height: 1.5; }
p { margin: 0 0 16px; }
.section > p:last-child { margin-bottom: 0; }
.features { padding: 0; margin: 0; list-style: none; display: grid; gap: 20px; }
.features li { display: flex; gap: 20px; }
.feature-number { color: #677d73; font-size: 12px; padding-top: 4px; font-variant-numeric: tabular-nums; }
.features p { color: var(--muted); margin: 0; font-size: 15px; }
.start { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: center; margin: 0 -24px 32px; padding: 28px 24px; border: 0; border-radius: 16px; background: var(--soft); }
.start .eyebrow { margin-bottom: 12px; }
.steps { padding-left: 22px; margin: 0 0 24px; font-size: 15px; }
.steps li { padding-left: 4px; margin-bottom: 6px; }
.bot-name { display: block; width: fit-content; margin-top: 12px; font-size: 12px; overflow-wrap: anywhere; }
.qr { margin: 0; text-align: center; }
.qr img { display: block; max-width: 100%; height: auto; border-radius: 12px; }
.qr figcaption { margin-top: 12px; font-size: 11px; color: var(--muted); }
.about { padding-top: 0; border-top: 0; }
.about p { color: var(--muted); }
footer { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 20px; font-size: 12px; color: var(--muted); }
footer a { color: var(--muted); }
@media (max-width: 640px) {
  body { padding: 16px 12px; }
  .page { padding: 24px; border-radius: 20px; }
  .brand { padding-bottom: 20px; gap: 8px; }
  .brand-name { font-size: 16px; }
  .brand-caption { font-size: 9px; max-width: 180px; }
  .brand-mark { width: 36px; height: 36px; }
  .resident-label { display: none; }
  .intro { padding: 28px 0; }
  .lead { font-size: 16px; }
  .button { width: 100%; padding: 12px 16px; gap: 12px; font-size: 14px; }
  h2 { font-size: 22px; }
  .section { padding: 28px 0; }
  .features li { gap: 12px; }
  .start { grid-template-columns: 1fr; margin: 0 -8px 28px; padding: 24px 16px; }
  .qr { justify-self: center; }
  .about { padding-top: 0; }
}
@media (prefers-reduced-motion: reduce) { .button { transition: none; } }