.appbar-landing { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: var(--bg); border-bottom: 1px solid var(--line); }
.top-row { display: flex; align-items: center; gap: 16px; padding-block: 10px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 1px 2px 0 rgb(0 0 0 / .05); }

.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 48px; align-items: center; padding-block: 56px 64px; }
.hero h1 { font-size: clamp(32px, 4.6vw, 48px); line-height: 1.08; font-weight: 800; letter-spacing: -.025em; margin-top: 16px; }
.hero .lead { font-size: 17px; line-height: 1.6; color: var(--muted); margin-top: 16px; max-width: 54ch; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero .note { font-size: 13px; color: var(--muted); margin-top: 14px; }

.player { margin: 0; overflow: hidden; min-width: 0; }
.stage { position: relative; aspect-ratio: 16 / 9; max-width: 100%; background: var(--soft); display: grid; place-items: center; }
.stage .poster, .stage video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top left; }
.stage video#main { object-fit: contain; background: #000; }
.play { position: relative; width: 68px; height: 68px; border-radius: 999px; border: 0; background: var(--btn); color: #fff; display: grid; place-items: center; cursor: pointer; box-shadow: 0 10px 30px rgb(0 0 0 / .25); }
.play:hover { background: var(--btn-hover); }
.play svg { margin-left: 3px; }
.badge { position: absolute; right: 12px; bottom: 12px; font-size: 12px; font-weight: 500; padding: 4px 10px; border-radius: 999px; background: rgb(17 24 39 / .82); color: #fff; }
.player figcaption { padding: 12px 14px; border-top: 1px solid var(--line); display: grid; gap: 8px; }
.chapter-title { font-size: 13px; font-weight: 600; }
.chapters { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--muted); font: 500 12.5px var(--font); cursor: pointer; }
.chip:hover { color: var(--fg); }
.chip[aria-pressed="true"] { background: var(--blue-soft); color: var(--blue); border-color: transparent; }
.chip .no { font-variant-numeric: tabular-nums; font-weight: 700; }
.small { font-size: 12px; color: var(--muted); }

.band { background: var(--page); border-block: 1px solid var(--line); padding-block: 56px; }
.sec { padding-block: 56px; }
.sec-head { max-width: 64ch; margin-bottom: 24px; }
.sec-head h2 { font-size: clamp(22px, 3vw, 28px); font-weight: 700; letter-spacing: -.02em; line-height: 1.2; }
.sec-head p { color: var(--muted); margin-top: 6px; }

.flow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; }
.flow li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; display: grid; gap: 4px; align-content: start; font-size: 13.5px; }
.flow .n { font-size: 11.5px; font-weight: 700; color: var(--muted); font-variant-numeric: tabular-nums; letter-spacing: .03em; }
.flow li.ai .n { color: var(--blue); }
.flow b { font-size: 15px; }
.flow li > span:last-child { color: var(--muted); }

.usp { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.usp article { padding: 20px; }
.usp h3 { font-size: 16px; font-weight: 600; }
.usp p { color: var(--muted); margin-top: 6px; }

.groups { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.group { padding: 18px; }
.group h3 { font-size: 13px; font-weight: 700; color: var(--blue); text-transform: uppercase; letter-spacing: .05em; }
.group ul { margin: 10px 0 0; padding-left: 18px; display: grid; gap: 6px; color: var(--muted); }
.group li::marker { color: var(--faint); }

.demo-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 24px; }
.demo-head .sec-head { margin-bottom: 0; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.step { padding: 18px; display: grid; gap: 4px; }
.step .k { font-size: 11.5px; font-weight: 700; letter-spacing: .06em; color: var(--blue); }
.step b { font-size: 16px; }
.step span:last-child { color: var(--muted); }

@media (max-width: 1000px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 32px; padding-block: 32px 48px; }
  .flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .groups { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .flow, .groups, .steps, .usp { grid-template-columns: minmax(0, 1fr); }
  .band, .sec { padding-block: 40px; }
}
.group.wide { grid-column: 1 / -1; }
.group.wide ul { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 32px; }
.pill.new { font-size: 11px; vertical-align: 2px; margin-left: 6px; background: var(--blue-soft); color: var(--blue); border-color: transparent; }
@media (max-width: 700px) { .group.wide ul { grid-template-columns: minmax(0, 1fr); } }

/* Kopfbereich mit Büro-Szene (Entwurf Artifact 9TSm8TNEAUK2WGfeuGusD8) */
.hero2 { padding-block: 48px 40px; display: grid; gap: 28px; }
.hero2-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 20px 48px; }
.hero2 h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.04; font-weight: 800; letter-spacing: -.035em; max-width: 12ch; }
.hero2 .side { max-width: 460px; display: grid; gap: 4px; }
.hero2 .lead { font-size: 16.5px; line-height: 1.6; color: var(--muted); }
.hero2 .cta { margin-top: 14px; }
.hero2 .note { font-size: 13px; color: var(--muted); margin-top: 10px; }
.sz-round { width: 40px; height: 40px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--fg); display: flex; align-items: center; justify-content: center; cursor: pointer; flex: none; }
.sz-round:hover { background: var(--soft); }

/* Büro-Szene aus den Google-Flow-Fotos (js/buero-fotos.js): Ebenen in Fotokoordinaten 1376×768 */
.buero { margin: 0; overflow: hidden; border-radius: 16px; }
.bu-stage { position: relative; overflow: hidden; background: #e8dfd2; aspect-ratio: 1376 / 768; }
.bu-world { position: absolute; left: 0; top: 0; width: 1376px; height: 768px; transform-origin: 0 0; }
.bu-kb { position: absolute; inset: 0; transition: transform 8s linear; will-change: transform; }
.bu-szene { position: absolute; inset: 0; opacity: 0; transition: opacity 1.5s ease; }
.bu-szene.an { opacity: 1; }
.bu-bild img { position: absolute; left: 0; top: 0; width: 1376px; height: 768px; display: block; }
.bu-mon { position: absolute; inset: 0; -webkit-mask-size: 100% 100%; mask-size: 100% 100%; }
.bu-screen { position: absolute; left: 0; top: 0; transform-origin: 0 0; overflow: hidden; background: #fff; filter: brightness(.96) contrast(.95) saturate(.95); }
.bu-screen img { position: absolute; width: 1152px; height: 720px; max-width: none; }
.bu-screen::after { content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, rgb(255 255 255 / .16), transparent 45%, rgb(255 200 140 / .06)); }
.bu-anna, .bu-clip { position: absolute; max-width: none; }
.bu-clip { left: 0; top: 0; width: 1376px; height: 768px; }
.bu-anna { animation: bu-atmen 4.2s ease-in-out infinite alternate; }
@keyframes bu-atmen { from { transform: scale(1); } to { transform: scale(1.007) translateY(-0.6px); } }
.bu-papier { position: absolute; overflow: hidden; }
.bu-papier img { position: absolute; opacity: 0; }
.bu-szene.spiel .bu-papier img { animation: bu-papier 5.2s ease-in-out .5s forwards; }
@keyframes bu-papier { 0% { transform: translateY(-55px); opacity: 0; } 22% { transform: translateY(0); opacity: 1; } 48% { transform: translateY(0); opacity: 1; } 100% { transform: translateY(105px); opacity: 1; } }
.bu-ring { position: absolute; width: 80px; height: 80px; border-radius: 50%; opacity: 0; pointer-events: none; mix-blend-mode: screen;
  background: radial-gradient(circle, rgb(205 150 255 / .9) 0 16%, rgb(170 90 255 / .4) 30%, transparent 64%); }
.bu-szene.spiel .bu-ring { animation: bu-ring 1.6s ease-out 3.4s 2; }
@keyframes bu-ring { 0% { opacity: 0; transform: scale(.6); } 30% { opacity: 1; } 100% { opacity: 0; transform: scale(1.5); } }
.bu-karte { position: absolute; display: grid; gap: 2px; padding: 9px 13px; border-radius: 10px; background: #fff; color: #1f2937; font: 500 13px/1.3 Inter, system-ui, sans-serif;
  box-shadow: 0 10px 28px -10px rgb(0 0 0 / .45); opacity: 0; transform: translateY(8px); white-space: nowrap; }
.bu-karte b { color: #7c3aed; font-weight: 700; }
.bu-karte::after { content: ""; position: absolute; left: 50%; bottom: -6px; width: 12px; height: 12px; background: #fff; transform: rotate(45deg); }
.bu-szene.spiel .bu-karte { animation: bu-karte .6s ease-out 1.8s forwards; }
@keyframes bu-karte { to { opacity: 1; transform: none; } }
.bu-uhr { position: absolute; left: 0; top: 0; width: 1376px; height: 768px; pointer-events: none; }
.bu-label { position: absolute; left: 14px; top: 14px; padding: 6px 14px; border-radius: 999px; background: rgb(17 24 39 / .78); color: #fff;
  font-size: 14px; font-weight: 600; backdrop-filter: blur(4px); }
.bu-label b { color: #d8c4ff; }
.bu-label:empty { display: none; }
.bu-still { display: block; width: 100%; height: auto; }
.buero.pausiert *, .buero.verdeckt * { animation-play-state: paused !important; }
.buero.still * { animation: none !important; transition: none !important; }
.buero.pausiert .bu-kb, .buero.verdeckt .bu-kb { transition: none; }
.bu-caption { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; padding: 14px 18px; border-top: 1px solid var(--line); }
.bu-pills { display: flex; gap: 5px; flex-wrap: wrap; }
.bu-pill { padding: 6px 11px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--muted); font: inherit; font-size: 13px; cursor: pointer; min-height: 32px; }
.bu-pill span { font-variant-numeric: tabular-nums; font-weight: 600; }
.bu-pill:hover { border-color: var(--blue-line); color: var(--fg); }
.bu-pill[aria-pressed="true"] { background: var(--btn); border-color: var(--btn); color: var(--btn-fg); }
.bu-cap { flex: 1; min-width: 220px; margin: 0; color: var(--muted); font-size: 14.5px; }
@media (max-width: 600px) {
  .hero2 { padding-block: 28px 28px; }
  .bu-caption { display: grid; grid-template-columns: minmax(0, 1fr) auto; }
  .bu-pills { grid-column: 1 / -1; }
  .bu-cap { grid-column: 1; min-width: 0; }
  .bu-label { left: 10px; top: 10px; font-size: 13px; }
}

/* Vorführung (Video) unter der Szene */
.vorfuehrung { padding-block: 24px 56px; }
.vorfuehrung .player { max-width: 980px; margin-inline: auto; }
/* Fassung 4: fertig zusammengesetzte Szenen-Clips (Uhr, Monitor, Vordergrund-Maske schon im Video) */
.bu-clips .bu-stage { aspect-ratio: 16 / 9; background: #2a2622; }
.bu-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.2s ease; }
.bu-video.an { opacity: 1; }
.bu-clips .bu-label { z-index: 2; }
.bu-label.bu-oben-rechts { left: auto; right: 14px; }
.bu-label.bu-unten-links { top: auto; bottom: 14px; }
.bu-label.bu-unten-rechts { left: auto; right: 14px; top: auto; bottom: 14px; }
.chapter-more { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 8px; font-size: 14px; }
.chapter-more a { color: var(--muted); }
.chapter-more a:hover { color: var(--fg); }