:root {
  --navy: #003b75;
  --blue: #0056ab;
  --red: #e70041;
  --red-dark: #b50033;
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1a2330;
  --muted: #5b6775;
  --line: #dde3ea;
  --max: 1920px;
}
* { box-sizing: border-box; }
html { font-size: 18px; }
body {
  margin: 0;
  font-family: "Open Sans", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}
img { max-width: 100%; height: auto; }
a { color: var(--blue); }
.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
}
.site-header {
  background: var(--card);
  border-bottom: 3px solid var(--navy);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 72px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--navy);
  font-weight: 700;
  font-size: 1.25rem;
}
.nav { display: flex; gap: 16px; flex-wrap: wrap; flex: 1; }
.nav a { text-decoration: none; color: var(--text); font-weight: 600; }
.nav a:hover { color: var(--red); }
#lang-switch {
  border: 1px solid var(--line);
  padding: 6px 10px;
  border-radius: 6px;
  background: #fff;
}
.panel-hero { padding: 32px 0 12px; }
.panel-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 8px 30px rgba(0, 59, 117, 0.06);
}
.eyebrow { color: var(--blue); font-weight: 700; margin: 0 0 8px; }
h1 { color: var(--navy); margin: 0 0 12px; font-size: 2rem; }
.lead { font-size: 1.1rem; color: var(--muted); }
.stage { margin-top: 20px; }
.qr-box { display: flex; flex-direction: column; align-items: center; }
.qr-canvas {
  padding: 16px;
  background: #fff;
  border: 4px solid var(--navy);
  border-radius: 12px;
}
.scan-hint { font-weight: 600; text-align: center; }
.mono { font-family: Consolas, monospace; word-break: break-all; }
.small { font-size: 0.85rem; color: var(--muted); }
.status.ok { color: var(--navy); font-weight: 700; }
.warn, .alert.err { color: var(--red-dark); }
.poll-stopped { margin: 16px 0; text-align: center; }
.alert.ok { color: #0a7a32; }
.history-list { padding-left: 18px; }
.history-list a { word-break: break-all; }
.send-form input {
  width: 100%;
  max-width: 640px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  margin: 8px 0;
}
.btn {
  display: inline-block;
  border: 0;
  cursor: pointer;
  padding: 10px 18px;
  border-radius: 8px;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--navy); }
.btn-ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
.prose { padding: 12px 0 40px; max-width: 820px; }
.prose h2 { color: var(--navy); }
.prose h3 { color: var(--blue); }
.page { padding: 28px 0 48px; }
.crumbs { color: var(--muted); font-size: 0.9rem; }
.contact-form { display: grid; gap: 12px; max-width: 560px; }
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
}
.store-btns { display: flex; gap: 12px; flex-wrap: wrap; margin: 16px 0; }
.site-footer {
  background: var(--navy);
  color: #fff;
  padding: 28px 0;
  margin-top: 24px;
}
.site-footer a { color: #fff; margin-right: 16px; }
.tagline { font-weight: 700; }
.muted { color: var(--muted); }
@media (max-width: 700px) {
  h1 { font-size: 1.5rem; }
  .qr-canvas { transform: scale(0.92); }
}