/* =====================================================================
   Öffentliche Produktseite signage.renuc.de
   Hell, ruhig, viel Weißraum – soll neben Hotel-Websites bestehen können.
   ===================================================================== */
:root {
  --s-ink: #12161c;
  --s-body: #4a5462;
  --s-muted: #7d8794;
  --s-line: #e4e8ee;
  --s-soft: #f6f8fb;
  --s-accent: #1a63d8;
  --s-accent-dark: #0f4bad;
  --s-max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--s-body); background: #fff;
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { color: var(--s-ink); margin: 0; line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: clamp(32px, 5vw, 50px); font-weight: 700; }
h2 { font-size: clamp(24px, 3.2vw, 33px); font-weight: 680; }
h3 { font-size: 18px; font-weight: 650; letter-spacing: -0.01em; }
p { margin: 0 0 16px; }
a { color: var(--s-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

.wrap { max-width: var(--s-max); margin: 0 auto; padding: 0 24px; }
.lead { font-size: 18.5px; line-height: 1.6; color: var(--s-body); }
.center { text-align: center; }
.narrow { max-width: 720px; margin-left: auto; margin-right: auto; }

/* ---------- Kopfzeile ---------- */
.top {
  position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(10px); border-bottom: 1px solid var(--s-line);
}
.top .wrap { display: flex; align-items: center; gap: 26px; height: 68px; }
.top .logo img { width: 116px; display: block; }
.top nav { display: flex; gap: 22px; margin-left: auto; }
.top nav a { color: var(--s-body); font-size: 15px; font-weight: 500; }
.top nav a:hover, .top nav a.active { color: var(--s-ink); text-decoration: none; }
.top nav a.active { font-weight: 600; }
.burger {
  display: none; background: none; border: 0; cursor: pointer; padding: 6px;
  margin-left: auto; color: var(--s-ink);
}

/* ---------- Schaltflächen ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 9px; font-size: 15px; font-weight: 580;
  border: 1px solid transparent; cursor: pointer; font-family: inherit;
  transition: background 0.15s, border-color 0.15s;
}
.btn.primary { background: var(--s-accent); color: #fff; }
.btn.primary:hover { background: var(--s-accent-dark); text-decoration: none; }
.btn.ghost { border-color: var(--s-line); color: var(--s-ink); background: #fff; }
.btn.ghost:hover { border-color: var(--s-muted); text-decoration: none; }
.btn.small { padding: 9px 16px; font-size: 14px; }

/* ---------- Titelbereich ---------- */
.hero { padding: 82px 0 66px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero p.lead { margin: 20px 0 30px; max-width: 30em; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; }
.eyebrow {
  display: inline-block; font-size: 12.5px; font-weight: 620; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--s-accent); margin-bottom: 15px;
}

/* Bildschirm-Nachbildung */
.mock {
  background: #fff; border: 1px solid var(--s-line); border-radius: 14px; overflow: hidden;
  box-shadow: 0 22px 60px rgba(18,22,28,0.13);
}
.mock .m-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: 24px 26px 0; gap: 16px;
}
.mock .m-room { font-size: 27px; font-weight: 700; color: var(--s-ink); line-height: 1.1; }
.mock .m-room i { display: block; width: 46px; height: 3px; background: #B50038; margin-top: 9px; font-style: normal; }
.mock .m-brand { font-size: 11px; letter-spacing: 0.1em; color: var(--s-muted); text-transform: uppercase; }
.mock .m-body { padding: 30px 26px 26px; text-align: center; }
.mock .m-logo {
  height: 46px; background: var(--s-soft); border-radius: 7px; display: inline-flex;
  align-items: center; padding: 0 20px; color: var(--s-muted); font-weight: 640; font-size: 15px;
}
.mock .m-title { font-size: 20px; font-weight: 640; color: var(--s-ink); margin-top: 17px; }
.mock .m-foot {
  display: flex; justify-content: space-between; align-items: center;
  border-top: 1px solid var(--s-line); padding: 13px 26px; font-size: 12.5px; color: var(--s-muted);
}
.mock .m-ticker { background: var(--s-soft); padding: 9px 26px; font-size: 12.5px; color: var(--s-muted); }

/* ---------- Abschnitte ---------- */
section { padding: 70px 0; }
section.soft { background: var(--s-soft); border-block: 1px solid var(--s-line); }
.sechead { max-width: 640px; margin-bottom: 42px; }
.sechead.center { margin-left: auto; margin-right: auto; text-align: center; }
.sechead p { margin: 13px 0 0; font-size: 17px; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.card {
  background: #fff; border: 1px solid var(--s-line); border-radius: 12px; padding: 26px;
}
.card .ic {
  width: 40px; height: 40px; border-radius: 10px; background: #eaf1fd;
  display: flex; align-items: center; justify-content: center; margin-bottom: 15px;
}
.card .ic svg { width: 20px; height: 20px; stroke: var(--s-accent); fill: none; stroke-width: 1.8; }
.card h3 { margin-bottom: 8px; }
.card p { margin: 0; font-size: 15px; }

/* Ablauf */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: st; }
.step { position: relative; padding-top: 44px; }
.step::before {
  counter-increment: st; content: counter(st);
  position: absolute; top: 0; left: 0;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--s-accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 650;
}
.step h3 { margin-bottom: 6px; }
.step p { font-size: 15px; margin: 0; }

/* Preise */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }
.plan {
  background: #fff; border: 1px solid var(--s-line); border-radius: 13px;
  padding: 30px 26px; position: relative;
}
.plan.hl { border-color: var(--s-accent); box-shadow: 0 14px 40px rgba(26,99,216,0.14); }
.plan .badge {
  position: absolute; top: -11px; left: 26px; background: var(--s-accent); color: #fff;
  font-size: 11.5px; font-weight: 620; letter-spacing: 0.05em; text-transform: uppercase;
  padding: 4px 11px; border-radius: 20px;
}
.plan h3 { font-size: 19px; }
.plan .sum { font-size: 14.5px; color: var(--s-muted); margin: 5px 0 20px; min-height: 42px; }
.plan .price { font-size: 38px; font-weight: 700; color: var(--s-ink); letter-spacing: -0.03em; line-height: 1; }
.plan .price small { font-size: 20px; font-weight: 600; }
.plan .unit { font-size: 13.5px; color: var(--s-muted); margin-top: 7px; min-height: 20px; }
.plan ul { list-style: none; padding: 0; margin: 22px 0 0; }
.plan li {
  position: relative; padding-left: 25px; margin-bottom: 10px; font-size: 15px; line-height: 1.5;
}
.plan li::before {
  content: ""; position: absolute; left: 0; top: 7px; width: 14px; height: 8px;
  border-left: 2px solid var(--s-accent); border-bottom: 2px solid var(--s-accent);
  transform: rotate(-45deg);
}

/* Tabelle / Referenzen */
.ref { border: 1px solid var(--s-line); border-radius: 12px; padding: 24px 26px; background: #fff; }
.ref + .ref { margin-top: 16px; }
.ref h3 { margin-bottom: 5px; }
.ref .detail { font-size: 15px; color: var(--s-muted); margin: 0; }
.ref blockquote {
  margin: 16px 0 0; padding-left: 17px; border-left: 3px solid var(--s-line);
  font-style: italic; color: var(--s-body);
}

/* Frage & Antwort */
.faq details {
  border-bottom: 1px solid var(--s-line); padding: 18px 0;
}
.faq summary {
  cursor: pointer; font-weight: 600; color: var(--s-ink); font-size: 16.5px;
  list-style: none; display: flex; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--s-muted); font-weight: 400; font-size: 21px; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 12px 0 0; font-size: 15.5px; }

/* Kontakt */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-line { display: flex; gap: 13px; margin-bottom: 18px; align-items: flex-start; }
.contact-line svg { width: 19px; height: 19px; stroke: var(--s-accent); fill: none; stroke-width: 1.8; flex-shrink: 0; margin-top: 3px; }
.contact-line b { display: block; color: var(--s-ink); font-size: 14px; }

/* Aufruf */
.cta-band {
  background: var(--s-ink); color: #fff; border-radius: 16px; padding: 46px 44px;
  display: flex; align-items: center; gap: 34px; flex-wrap: wrap;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #aab3bf; margin: 9px 0 0; }
.cta-band .grow { flex: 1; min-width: 260px; }
.cta-band .btn.ghost { background: transparent; border-color: #3b444f; color: #fff; }
.cta-band .btn.ghost:hover { border-color: #6b7684; }

/* Fußzeile */
footer { border-top: 1px solid var(--s-line); padding: 42px 0 34px; margin-top: 0; }
footer .cols { display: flex; gap: 50px; flex-wrap: wrap; }
footer .cols > div { min-width: 150px; }
footer img { width: 104px; opacity: 0.8; margin-bottom: 12px; }
footer h4 {
  margin: 0 0 11px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.09em;
  color: var(--s-muted); font-weight: 620;
}
footer a { display: block; color: var(--s-body); font-size: 14.5px; margin-bottom: 7px; }
footer .legal {
  border-top: 1px solid var(--s-line); margin-top: 32px; padding-top: 20px;
  font-size: 13.5px; color: var(--s-muted);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}

/* =====================================================================
   Spielbare Vorführung
   ===================================================================== */
.demo { display: grid; gap: 16px; }

/* Bildschirm im Gehäuse */
.screen-frame {
  background: linear-gradient(180deg, #23272e 0%, #15181d 100%);
  border-radius: 16px; padding: 13px 13px 26px;
  box-shadow: 0 26px 70px rgba(15,20,28,0.32), 0 2px 0 rgba(255,255,255,0.06) inset;
  position: relative;
}
.screen-frame::after {
  content: ""; position: absolute; left: 50%; bottom: 10px; transform: translateX(-50%);
  width: 46px; height: 4px; border-radius: 2px; background: rgba(255,255,255,0.14);
}
.screen {
  background: #fff; border-radius: 7px; overflow: hidden;
  aspect-ratio: 16 / 9; display: flex; flex-direction: column;
  container-type: inline-size;
}

/* Kopf des Bildschirms */
.sc-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: 4.4cqw 4.6cqw 0; gap: 3cqw;
}
.sc-room { font-size: 5.6cqw; font-weight: 700; color: #12161c; line-height: 1.05; }
/* Eigenes Element statt Kind von .sc-room – der Raumname wird per
   textContent gesetzt und würde ein Kind sonst jedes Mal entfernen. */
.sc-rule { display: block; width: 8cqw; height: 0.75cqw; background: #B50038; margin-top: 1.5cqw; }
.sc-floor { font-size: 2.1cqw; color: #98a1ad; margin-top: 1.4cqw; letter-spacing: 0.08em; text-transform: uppercase; }
.sc-hotel {
  font-size: 2cqw; letter-spacing: 0.16em; text-transform: uppercase; color: #b6bec9;
  text-align: right; padding-top: 0.6cqw; white-space: nowrap;
}

/* Mitte */
.sc-body {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 2cqw 5cqw; text-align: center; gap: 2.4cqw;
}
.sc-logo { display: flex; align-items: center; gap: 2.2cqw; transition: transform 0.3s ease; }
.sc-logo.big { transform: scale(1.34); }
.sc-mark {
  width: 9cqw; height: 9cqw; border-radius: 1.8cqw; color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 3.6cqw; font-weight: 700; letter-spacing: -0.02em;
  transition: background 0.3s ease;
}
.sc-coname { font-size: 3.9cqw; font-weight: 650; color: #12161c; letter-spacing: -0.01em; }
.sc-title { font-size: 3.1cqw; color: #4a5462; }

.sc-free { display: flex; flex-direction: column; align-items: center; gap: 1.8cqw; }
.sc-free .tagfree {
  font-size: 3.4cqw; font-weight: 650; color: #1d7a5f;
  background: #e7f6f0; padding: 1cqw 3cqw; border-radius: 6cqw;
}
.sc-seat svg { width: 22cqw; height: auto; fill: #c3cad4; }
.sc-seattext { font-size: 2.5cqw; color: #7d8794; }

/* Fuß */
.sc-foot {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 0 4.6cqw 2.4cqw; font-size: 2.5cqw; color: #7d8794;
}
.sc-clock { font-size: 4.2cqw; font-weight: 640; color: #12161c; letter-spacing: -0.01em; }
.sc-clock .sec { font-size: 2.4cqw; font-weight: 500; color: #98a1ad; margin-left: 0.5cqw; }
.sc-ticker {
  background: #f2f5f9; border-top: 1px solid #e6eaf0;
  padding: 1.9cqw 4.6cqw; font-size: 2.3cqw; color: #5b6674;
  display: flex; align-items: center; gap: 2cqw; white-space: nowrap; overflow: hidden;
}
.sc-ticker b {
  color: #B50038; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; font-size: 1.9cqw; flex-shrink: 0;
}
.sc-ticker span { transition: opacity 0.4s ease; overflow: hidden; text-overflow: ellipsis; }

/* Bedienleiste unter dem Bildschirm */
.demo-bar {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  background: #fff; border: 1px solid var(--s-line); border-radius: 12px; padding: 12px;
}
.demo-bar .lbl {
  font-size: 12px; font-weight: 640; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--s-muted); margin-right: 2px;
}
.chip {
  border: 1px solid var(--s-line); background: #fff; color: var(--s-body);
  padding: 7px 13px; border-radius: 8px; font: inherit; font-size: 14px;
  cursor: pointer; transition: all 0.15s;
}
.chip:hover { border-color: var(--s-muted); }
.chip.on { background: var(--s-ink); border-color: var(--s-ink); color: #fff; }
.chip:disabled { opacity: 0.4; cursor: default; }
.demo-sep { width: 1px; align-self: stretch; background: var(--s-line); margin: 0 4px; }
.demo-hint { font-size: 13.5px; color: var(--s-muted); text-align: center; margin: 0; }

/* Zahlenreihe */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.fact b { display: block; font-size: 32px; font-weight: 700; color: var(--s-ink); letter-spacing: -0.02em; }
.fact span { font-size: 14.5px; color: var(--s-muted); }

/* Gegenüberstellung vorher / nachher */
.vs { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.vs > div { border-radius: 12px; padding: 26px; border: 1px solid var(--s-line); }
.vs .before { background: var(--s-soft); }
.vs .after { background: #fff; border-color: var(--s-accent); box-shadow: 0 14px 40px rgba(26,99,216,0.1); }
.vs h3 { margin-bottom: 14px; display: flex; align-items: center; gap: 9px; }
.vs ul { list-style: none; padding: 0; margin: 0; }
.vs li { position: relative; padding-left: 27px; margin-bottom: 11px; font-size: 15.5px; }
.vs .before li::before {
  content: "×"; position: absolute; left: 4px; top: -1px; color: #c1543a; font-size: 19px; font-weight: 700;
}
.vs .after li::before {
  content: ""; position: absolute; left: 3px; top: 7px; width: 13px; height: 7px;
  border-left: 2.5px solid var(--s-accent); border-bottom: 2.5px solid var(--s-accent);
  transform: rotate(-45deg);
}

/* Risikoumkehr */
.assure { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.assure div { display: flex; gap: 12px; align-items: flex-start; }
.assure svg { width: 21px; height: 21px; stroke: var(--s-accent); fill: none; stroke-width: 1.9; flex-shrink: 0; margin-top: 2px; }
.assure b { display: block; color: var(--s-ink); font-size: 15px; }
.assure p { margin: 3px 0 0; font-size: 14.5px; }

/* ---------- Schmale Bildschirme ---------- */
@media (max-width: 1000px) {
  .facts { grid-template-columns: repeat(2, 1fr); gap: 26px 16px; }
  .assure { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 900px) {
  .hero { padding: 40px 0 44px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 34px; }
  .cards, .cards.two, .plans, .steps, .contact-grid, .vs { grid-template-columns: 1fr; }
  section { padding: 48px 0; }

  /* Navigation: Menü einklappbar, Anmeldung bleibt immer sichtbar */
  .burger { display: block; margin-left: auto; order: 2; }
  .top .wrap { gap: 12px; height: 62px; }
  .top .logo img { width: 100px; }
  .top .headcta { order: 3; margin-left: 0; padding: 9px 15px; font-size: 14px; }
  .top nav {
    position: absolute; top: 62px; left: 0; right: 0; background: #fff;
    border-bottom: 1px solid var(--s-line); flex-direction: column; gap: 0;
    padding: 6px 22px 14px; margin: 0; display: none;
    box-shadow: 0 14px 30px rgba(15,20,28,0.09);
  }
  .top nav.open { display: flex; }
  .top nav a { padding: 12px 0; border-bottom: 1px solid var(--s-line); font-size: 16px; }
  .top nav a:last-child { border-bottom: 0; }

  .cta-band { padding: 30px 22px; }
  .cta-band .btn { width: 100%; }
  .hero .cta .btn { flex: 1; }
  .demo-bar { padding: 10px; gap: 6px; }
  .demo-sep { display: none; }
  .chip { padding: 7px 11px; font-size: 13.5px; }
  .demo-bar .lbl { width: 100%; margin: 2px 0 0; }
}

@media (max-width: 460px) {
  .facts { grid-template-columns: 1fr 1fr; }
  .fact b { font-size: 26px; }
  .hero .cta { flex-direction: column; }
  .hero .cta .btn { width: 100%; }
  .wrap { padding: 0 18px; }
  .screen-frame { padding: 9px 9px 20px; border-radius: 12px; }
}
