.marke span .marke-bau { font-weight: 700; color: var(--himbeer); letter-spacing: inherit; }

.bau-hero { position: relative; padding: clamp(40px, 6vw, 72px) 0 0; isolation: isolate;
  background: radial-gradient(820px 460px at 82% 18%, var(--himbeer-10), transparent 68%), radial-gradient(760px 420px at 0% 100%, #f1eee8, transparent 72%), var(--papier); }
.bau-raster { position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(to right, rgba(67, 79, 80, .075) 1px, transparent 1px), linear-gradient(to bottom, rgba(67, 79, 80, .075) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 72% 64% at 72% 42%, #000 28%, transparent 78%); mask-image: radial-gradient(ellipse 72% 64% at 72% 42%, #000 28%, transparent 78%); }
.bau-panorama { position: absolute; right: -4%; bottom: 36px; z-index: -1; width: min(1560px, 108vw); max-width: none; height: auto; opacity: .62; pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, transparent 40%, #000 64%); mask-image: linear-gradient(90deg, transparent 0%, transparent 40%, #000 64%); }
.bau-hero-raster { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); gap: clamp(20px, 4vw, 56px); align-items: center; }
.bau-hero .text { gap: 22px; padding-bottom: clamp(16px, 4vw, 48px); }
.bau-hero h1 { font-size: clamp(2.5rem, 5.3vw, 4.5rem); line-height: 1.03; max-width: 640px; }
.bau-hero .lead { max-width: 600px; }
.bau-hero .hero-fakten { gap: 10px 22px; }
.bau-beispiel { position: relative; padding: 34px 0 22px; font-size: .84rem; color: var(--text-mute); }

.bau-buehne { position: relative; height: clamp(480px, 50vw, 660px); perspective: 1700px; perspective-origin: 46% 38%; }
.bau-szene { position: absolute; inset: 0; transform-style: preserve-3d; transition: transform .7s var(--ease);
  transform: translateY(var(--sy, 0px)) rotateX(calc(var(--rx, 0deg) + var(--srx, 0deg))) rotateY(calc(var(--ry, 0deg) + var(--sry, 0deg))); }
.bau-ebene { position: absolute; transform-style: preserve-3d; }
.bau-ebene-fenster { right: -6%; top: 7%; width: 88%; transform: translateZ(-170px) rotateY(-19deg) rotateX(4deg); }
.bau-hero .bau-fenster-hero { margin-left: 0; box-shadow: 0 50px 90px -40px rgba(44, 52, 53, .5); animation: einschweben 1.3s .15s var(--ease) both; }
.bau-ebene-hinten { right: 4%; bottom: 5%; transform: translateZ(-30px); }
.bau-ebene-vorne { left: 4%; bottom: 1%; transform: translateZ(90px); }
.bau-ebene-chips { inset: 0; transform: translateZ(180px); pointer-events: none; }

.t3d { --breite: 240px; --rand: calc(var(--breite) * .034); --r: calc(var(--breite) * .155); position: relative; width: var(--breite); transform-style: preserve-3d; }
.t3d-schwebe { transform-style: preserve-3d; animation: schweben 7s ease-in-out infinite; }
.t3d-koerper { position: relative; transform-style: preserve-3d; transform: rotateY(var(--dreh-y, 0deg)) rotateX(var(--dreh-x, 0deg)); transition: transform 1s var(--ease); }
.t3d-koerper > i { position: absolute; inset: 0; border-radius: var(--r); background: #283033; }
.t3d-koerper > i:nth-child(1) { transform: translateZ(-1.6px); background: #3b4446; }
.t3d-koerper > i:nth-child(2) { transform: translateZ(-3.2px); }
.t3d-koerper > i:nth-child(3) { transform: translateZ(-4.8px); background: #323a3c; }
.t3d-koerper > i:nth-child(4) { transform: translateZ(-6.4px); }
.t3d-koerper > i:nth-child(5) { transform: translateZ(-8px); background: #353d40; }
.t3d-koerper > i:nth-child(6) { transform: translateZ(-9.6px); }
.t3d-koerper > i:nth-child(7) { transform: translateZ(-11.2px); background: #323a3c; }
.t3d-koerper > i:nth-child(8) { transform: translateZ(-12.8px); }
.t3d-koerper > i:nth-child(9) { transform: translateZ(-14.4px); background: #3b4446; }
.t3d-koerper > i:nth-child(10) { transform: translateZ(-16px); background: #1d2224; }
.t3d-front { position: relative; padding: var(--rand); border-radius: var(--r); background: #131719; transform: translateZ(.5px);
  box-shadow: inset 0 0 0 1.5px #4a5456, inset 0 0 0 4px #0b0e0f; }
.t3d-front img { width: 100%; height: auto; border-radius: calc(var(--r) - var(--rand)); background: var(--papier); }
.t3d-front::before { content: ''; position: absolute; z-index: 2; top: calc(var(--rand) + var(--breite) * .028); left: 50%; width: 27%; height: calc(var(--breite) * .072);
  transform: translateX(-50%); border-radius: 99px; background: #0b0e0f; }
.t3d-front::after { content: ''; position: absolute; inset: var(--rand); z-index: 3; border-radius: calc(var(--r) - var(--rand)); pointer-events: none;
  background: linear-gradient(118deg, rgba(255, 255, 255, .26) 0%, rgba(255, 255, 255, .06) 30%, rgba(255, 255, 255, 0) 46%); }
.t3d-schatten { position: absolute; left: 6%; right: 6%; bottom: -26px; height: 34px; border-radius: 50%; background: radial-gradient(closest-side, rgba(44, 52, 53, .34), transparent); filter: blur(5px); transform: translateZ(-60px); }
.t3d-gross { --breite: clamp(190px, 19.5vw, 262px); --dreh-y: 20deg; --dreh-x: 3deg; }
.t3d-gross .t3d-koerper { animation: auftritt 1.5s .3s var(--ease) both; }
.t3d-klein { --breite: clamp(150px, 15vw, 206px); --dreh-y: -16deg; --dreh-x: 5deg; }
.t3d-klein .t3d-schwebe { animation-duration: 8.5s; animation-delay: -3s; }
.t3d-klein .t3d-koerper { animation: auftritt-klein 1.5s .5s var(--ease) both; }

.bau-chip { position: absolute; display: flex; align-items: center; gap: 10px; padding: 10px 14px 10px 10px; border-radius: 14px; background: var(--weiss);
  border: 1px solid var(--linie); box-shadow: 0 18px 40px -20px rgba(44, 52, 53, .45); font: 500 .84rem/1.3 var(--font-body); color: var(--text-mute);
  animation: chip-rein .9s var(--ease) both, schweben 6s ease-in-out infinite; }
.bau-chip b { display: block; font-weight: 700; color: var(--grau); font-size: .9rem; }
.chip-icon { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; flex: none; }
.chip-icon svg { width: 18px; height: 18px; }
.chip-icon.ok { background: var(--ok-soft); color: var(--ok); }
.chip-icon.warn { background: var(--warn-soft); color: var(--warn); }
.chip-icon.himbeer { background: var(--himbeer-10); color: var(--himbeer); }
.chip-kolonne { left: 34%; top: 20%; animation-delay: 1.2s, 0s; }
.chip-netz { left: -2%; bottom: 13%; animation-delay: 1.5s, -2s; }
.chip-export { right: 0; top: 0; animation-delay: 1.8s, -4s; }

@keyframes schweben { 0%, 100% { transform: translate3d(0, 0, 0); } 50% { transform: translate3d(0, -10px, 0); } }
@keyframes auftritt { from { opacity: 0; transform: translateY(60px) rotateY(calc(var(--dreh-y) + 38deg)) rotateX(var(--dreh-x)); } to { opacity: 1; } }
@keyframes auftritt-klein { from { opacity: 0; transform: translateY(40px) rotateY(calc(var(--dreh-y) - 30deg)) rotateX(var(--dreh-x)); } to { opacity: 1; } }
@keyframes einschweben { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: none; } }
@keyframes chip-rein { from { opacity: 0; } to { opacity: 1; } }

.bau-zahlen { padding: clamp(40px, 6vw, 64px) 0; position: relative;
  background: radial-gradient(520px 240px at 12% 120%, rgba(194, 19, 75, .32), transparent 70%), radial-gradient(460px 220px at 92% -20%, rgba(194, 19, 75, .22), transparent 70%), var(--grau); }
.zahlen-liste { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px clamp(24px, 4vw, 56px); }
.zahlen-liste li { display: grid; gap: 10px; align-content: start; padding-left: 20px; border-left: 2px solid rgba(246, 167, 191, .55); }
.zahl { font: 500 clamp(2.4rem, 4.6vw, 3.6rem)/1 var(--font-accent); color: #fff; letter-spacing: -.02em; }
.zahl-text { font-size: 1rem; line-height: 1.5; color: rgba(243, 241, 236, .82); }

#mehrwert, #buero { overflow-x: hidden; overflow-x: clip; }
.vp-liste { display: grid; gap: clamp(80px, 11vw, 140px); }
.vp { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6.2fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.vp.vp-gespiegelt { grid-template-columns: minmax(0, 6.2fr) minmax(0, 5fr); }
.vp.vp-gespiegelt .vp-text { order: 2; }
.vp-text { display: grid; gap: 16px; align-content: start; }
.vp-nr { font: 500 clamp(3.4rem, 6.4vw, 5.2rem)/.9 var(--font-accent); color: transparent; -webkit-text-stroke: 1.6px var(--himbeer); letter-spacing: -.03em; }
.vp-text h3 { font-size: clamp(1.7rem, 3vw, 2.35rem); line-height: 1.12; }
.vp-text p { color: var(--text-mute); }
.vp-bild { position: relative; perspective: 1500px; }
.vp-bild-baustelle { aspect-ratio: 1 / 1.06; }
.vp-foto { position: absolute; left: 0; top: 0; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; border-radius: var(--radius-lg);
  box-shadow: 0 34px 70px -40px rgba(44, 52, 53, .5); }
.t2d { border-radius: clamp(22px, 2.6vw, 32px); padding: clamp(5px, .6vw, 8px); background: #131719; box-shadow: inset 0 0 0 1.5px #4a5456, 0 40px 70px -34px rgba(44, 52, 53, .55); }
.t2d img { width: 100%; height: auto; border-radius: clamp(17px, 2vw, 25px); }
.vp-bild-baustelle .t2d { position: absolute; transition: transform 1.1s var(--ease), opacity .9s var(--ease); }
.t2d-hinten { width: 26%; right: 30%; bottom: 4%; transform: rotate(-6deg); }
.t2d-vorne { width: 30%; right: 2%; bottom: 0; transform: rotate(4deg); }
.vp-bild-fenster { padding: 0 0 clamp(64px, 9vw, 120px) 0; transform-style: preserve-3d; }
.vp-bild-fenster .fenster { transition: transform 1.1s var(--ease), opacity .9s var(--ease); }
.vp-fenster-gross { transform: rotateY(-9deg) rotateX(3deg); transform-origin: left center; }
.vp-fenster-klein { position: absolute; width: 50%; right: -2%; bottom: 0; transform: translateZ(190px) rotateY(-9deg) rotateX(3deg); box-shadow: 0 40px 80px -30px rgba(44, 52, 53, .55); }
.vp-gespiegelt .vp-fenster-gross { transform: rotateY(9deg) rotateX(3deg); transform-origin: right center; }
.vp-gespiegelt .vp-fenster-klein { right: auto; left: -2%; transform: translateZ(190px) rotateY(9deg) rotateX(3deg); }
.vp-fenster-klein img { -webkit-mask-image: linear-gradient(to bottom, #000 82%, transparent); mask-image: linear-gradient(to bottom, #000 82%, transparent); }
.vp.wartet .vp-text { opacity: 0; transform: translateY(26px); }
.vp .vp-text { transition: opacity .9s var(--ease), transform .9s var(--ease); }
.vp.wartet .t2d-hinten { opacity: 0; transform: rotate(0) translate(40%, 60px); }
.vp.wartet .t2d-vorne { opacity: 0; transform: rotate(0) translateY(90px); }
.vp.wartet .vp-fenster-gross { opacity: 0; transform: rotateY(-32deg) rotateX(6deg) translateX(40px); }
.vp.wartet .vp-fenster-klein { opacity: 0; transform: translateZ(260px) rotateY(-20deg) translateY(50px); }
.vp.vp-gespiegelt.wartet .vp-fenster-gross { transform: rotateY(32deg) rotateX(6deg) translateX(-40px); }
.vp.vp-gespiegelt.wartet .vp-fenster-klein { transform: translateZ(260px) rotateY(20deg) translateY(50px); }
.vp-bild-baustelle .t2d-vorne { transition-delay: .12s; }
.vp-bild-fenster .vp-fenster-klein { transition-delay: .18s; }

.bau-tag { background: linear-gradient(var(--papier), var(--papier-2)); }
.tag-raster { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .82fr); gap: clamp(32px, 6vw, 88px); align-items: start; }
.tag-schritte { list-style: none; margin: 0; padding: 0 0 14vh; display: grid; gap: clamp(24px, 4vw, 40px); }
.tag-schritt { min-height: 66vh; display: grid; gap: 14px; align-content: center; padding: clamp(24px, 3vw, 36px); border-radius: var(--radius-lg); background: var(--weiss);
  border: 1px solid var(--linie); box-shadow: var(--schatten); transition: opacity .5s var(--ease), transform .5s var(--ease), border-color .5s; }
.tag-schritt h3 { font-size: clamp(1.45rem, 2.4vw, 1.9rem); }
.tag-schritt p { color: var(--text-mute); }
.tag-zeit { font: 500 clamp(2rem, 3.6vw, 2.8rem)/1 var(--font-accent); color: var(--himbeer); letter-spacing: -.01em; }
.tag-foto { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 12px; margin-bottom: 6px; }
.tag-mobil { display: none; }
.tag-telefon-spalte { position: relative; align-self: stretch; }
.tag-telefon-halter { position: sticky; top: calc(50vh - min(330px, 42vh)); display: grid; justify-items: center; gap: 28px; padding: 12px 0 30px; perspective: 1500px; }
.t3d-tag { --breite: clamp(220px, 22vw, 282px); --dreh-y: -14deg; --dreh-x: 4deg; }
.t3d-tag .t3d-koerper { transition: transform 1.1s var(--ease); }
.tag-punkte { list-style: none; margin: 0; padding: 0; display: flex; gap: 10px; }
.tag-punkte li { width: 10px; height: 10px; border-radius: 50%; background: var(--grau-25); transition: background .3s, transform .3s; }
.tag-punkte li.ist-aktiv { background: var(--himbeer); transform: scale(1.25); }
.bau-js .tag-schritt:not(.ist-aktiv) { opacity: .5; }
.bau-js .tag-schritt.ist-aktiv { border-color: var(--himbeer-25); }

.buero-kopf { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 24px clamp(28px, 5vw, 64px); align-items: end; margin-bottom: clamp(28px, 4vw, 48px); }
.buero-kopf .kopf { margin-bottom: 0; }
.buero-fotos { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; padding-bottom: 30px; }
.buero-fotos img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 14px; box-shadow: var(--schatten); }
.buero-fotos img:last-child { transform: translateY(22px); }
.tour { display: grid; grid-template-columns: minmax(0, 290px) minmax(0, 1fr); gap: clamp(22px, 4vw, 48px); align-items: start; }
.tour-knoepfe { display: grid; gap: 8px; position: sticky; top: 104px; }
.tour-knoepfe button { position: relative; text-align: left; padding: 15px 18px 15px 20px; border-radius: 12px; border: 1px solid var(--linie); background: var(--papier);
  font: 600 1rem/1.3 var(--font-body); color: var(--grau); cursor: pointer; transition: background .2s, border-color .2s, box-shadow .2s, color .2s; }
.tour-knoepfe button:hover { border-color: var(--grau-25); background: var(--weiss); }
.tour-knoepfe button[aria-selected="true"] { background: var(--weiss); border-color: var(--himbeer-25); color: var(--himbeer-dark); box-shadow: var(--schatten); }
.tour-knoepfe button[aria-selected="true"]::before { content: ''; position: absolute; left: -1px; top: 12px; bottom: 12px; width: 4px; border-radius: 4px; background: var(--himbeer); }
.tour-buehne { display: grid; gap: 18px; perspective: 1700px; border-radius: 14px; }
.tour-buehne:focus-visible { outline-offset: 6px; }
.tour-fenster { transform: rotateY(-7deg) rotateX(2deg); transform-origin: left center; transition: transform .9s var(--ease); }
.tour-buehne:hover .tour-fenster { transform: none; }
.tour-fenster img { aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }
.tour-text { color: var(--text-mute); max-width: 720px; min-height: 3.3em; }

.rollen { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.rolle { background: var(--weiss); border: 1px solid var(--linie); border-radius: var(--radius-lg); padding: 26px; display: grid; gap: 12px; align-content: start; }
.rolle svg { width: 46px; height: 46px; padding: 11px; border-radius: 14px; background: var(--himbeer-10); color: var(--himbeer); }
.rolle h3 { font-size: 1.28rem; margin-top: 2px; }
.rolle .haken { font-size: .98rem; }

.bau-vergleich td { width: 39%; }
.bau-vergleich tbody th { width: 22%; }

.bau-start { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; counter-reset: start; }
.bau-start li { position: relative; counter-increment: start; display: grid; gap: 10px; align-content: start; padding-top: 64px; }
.bau-start li::before { content: counter(start); position: absolute; top: 0; left: 0; width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  background: var(--himbeer); color: #fff; font: 700 1.05rem/1 var(--font-body); box-shadow: 0 0 0 6px var(--weiss); z-index: 1; }
.bau-start li:not(:last-child)::after { content: ''; position: absolute; top: 22px; left: 46px; right: -22px; height: 2px; background: linear-gradient(90deg, var(--himbeer-25), var(--grau-10)); }
.bau-start h3 { font-size: 1.25rem; }
.bau-start p { color: var(--text-mute); font-size: 1rem; }
.start-szene { width: 100%; max-width: 280px; height: auto; margin-top: 6px; }
.fuss-hinweis { font-size: .84rem; }

.bau-kontakt { background: radial-gradient(560px 380px at 78% 58%, rgba(194, 19, 75, .34), transparent 70%), var(--grau); }
.bau-kontakt-raster { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.bau-kontakt .kopf { margin-bottom: 0; }
.kontakt-mail { color: rgba(243, 241, 236, .8); font-size: 1rem; }
.kontakt-mail a { color: #f6a7bf; font-weight: 700; }
.kontakt-telefon { display: grid; justify-items: center; perspective: 1400px; padding: 10px 0 30px; }
.t3d-kontakt { --breite: clamp(170px, 18vw, 228px); --dreh-x: 4deg; }
.t3d-kontakt .t3d-koerper { animation: pendeln 9s ease-in-out infinite alternate; }
@keyframes pendeln { from { transform: rotateY(-30deg) rotateX(7deg); } to { transform: rotateY(24deg) rotateX(2deg); } }

@media (max-width: 1080px) {
  .bau-hero-raster { grid-template-columns: 1fr; }
  .bau-hero .text { padding-bottom: 0; }
  .bau-panorama { right: auto; left: 50%; width: 170%; transform: translateX(-50%); -webkit-mask-image: none; mask-image: none; opacity: .5; }
  .bau-buehne { height: clamp(460px, 74vw, 620px); max-width: 760px; width: 100%; justify-self: center; }
  .tour { grid-template-columns: 1fr; }
  .tour-knoepfe { position: static; display: flex; gap: 8px; overflow-x: auto; padding: 2px 2px 8px; scrollbar-width: thin; }
  .tour-knoepfe button { flex: none; padding: 11px 15px; font-size: .93rem; }
  .tour-knoepfe button[aria-selected="true"]::before { left: 12px; right: 12px; top: auto; bottom: -1px; width: auto; height: 3px; }
  .bau-start { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 22px; }
  .bau-start li:nth-child(2)::after { display: none; }
}
@media (max-width: 980px) {
  .zahlen-liste { grid-template-columns: 1fr; gap: 22px; }
  .vp, .vp.vp-gespiegelt { grid-template-columns: 1fr; }
  .vp.vp-gespiegelt .vp-text { order: 0; }
  .tag-raster { grid-template-columns: 1fr; }
  .tag-telefon-spalte { display: none; }
  .tag-schritt { min-height: 0; }
  .bau-js .tag-schritt:not(.ist-aktiv) { opacity: 1; }
  .tag-mobil { display: block; width: min(62%, 280px); justify-self: center; margin-top: 10px; }
  .buero-kopf { grid-template-columns: 1fr; }
  .buero-fotos { max-width: 640px; }
  .rollen { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bau-kontakt-raster { grid-template-columns: 1fr; }
  .kontakt-telefon { display: none; }
}
@media (max-width: 720px) {
  .bau-buehne { height: 128vw; max-height: 600px; perspective: 1200px; }
  .bau-ebene-fenster { right: -18%; top: 2%; width: 100%; transform: translateZ(-120px) rotateY(-16deg) rotateX(4deg); }
  .bau-ebene-hinten { right: 0; bottom: 10%; }
  .bau-ebene-vorne { left: 2%; bottom: 2%; }
  .t3d-gross { --breite: 46vw; }
  .t3d-klein { --breite: 36vw; }
  .bau-ebene-chips { display: none; }
  .bau-panorama { width: 200%; bottom: 20px; opacity: .45; }
  .bau-beispiel { padding-top: 26px; }
  .vp-bild-baustelle { aspect-ratio: 1 / 1.25; }
  .t2d-hinten { width: 35%; right: 40%; }
  .t2d-vorne { width: 40%; right: 2%; }
  .vp-fenster-klein { width: 66%; }
  .rollen { grid-template-columns: 1fr; }
  .bau-start { grid-template-columns: 1fr; }
  .bau-start li::after { display: none; }
  .bau-vergleich td, .bau-vergleich tbody th { width: auto; }
}
@media (prefers-reduced-motion: reduce) {
  .bau-szene, .t3d-koerper, .vp-bild-baustelle .t2d, .vp-bild-fenster .fenster, .vp .vp-text, .tour-fenster, .tag-schritt { transition: none; }
  .t3d-schwebe, .t3d-gross .t3d-koerper, .t3d-klein .t3d-koerper, .t3d-kontakt .t3d-koerper, .bau-fenster-hero, .bau-chip { animation: none; }
}