/* QUICKSHIELD® 3D-Section – Layout (mobil zuerst, kein horizontaler Überlauf) */
.qs3d { --qs3d-bg: #f2f1ee; --qs3d-text: #1b1b1d; --qs3d-akzent: #c8323c; box-sizing: border-box; width: 100%; max-width: 1200px; margin: 0 auto; padding: 32px 16px; color: var(--qs3d-text); }
.qs3d *, .qs3d *::before, .qs3d *::after { box-sizing: border-box; }
.qs3d__raster { display: grid; gap: 24px; grid-template-columns: minmax(0, 1fr); align-items: center; }
@media (min-width: 900px) { .qs3d__raster { grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 40px; } }
.qs3d__buehne { position: relative; width: 100%; aspect-ratio: 1 / 1; max-height: 78vh; background: var(--qs3d-bg); border-radius: 16px; overflow: hidden; }
.qs3d__flaeche { position: absolute; inset: 0; cursor: grab; }
.qs3d__flaeche:active { cursor: grabbing; }
.qs3d__canvas { display: block; width: 100%; height: 100%; touch-action: pan-y; }
.qs3d__ar[hidden] { display: none; }
.qs3d__hinweis { position: absolute; left: 50%; bottom: 12px; transform: translateX(-50%); margin: 0; padding: 6px 12px; border-radius: 999px; background: rgba(27, 27, 29, .72); color: #fff; font-size: 13px; line-height: 1.2; white-space: nowrap; pointer-events: none; transition: opacity .3s; }
.qs3d--gedreht .qs3d__hinweis { opacity: 0; }
.qs3d__ar { position: absolute; right: 12px; top: 12px; padding: 8px 14px; border: 0; border-radius: 999px; background: #fff; color: var(--qs3d-text); font: inherit; font-size: 14px; box-shadow: 0 1px 4px rgba(0,0,0,.18); cursor: pointer; }
.qs3d__titel { margin: 0 0 8px; font-size: clamp(24px, 4vw, 36px); line-height: 1.15; }
.qs3d__text { margin: 0 0 16px; line-height: 1.55; }
.qs3d__masse { margin: 0 0 16px; padding: 12px 14px; border-left: 3px solid var(--qs3d-akzent); background: rgba(0,0,0,.035); font-size: 15px; line-height: 1.5; }
.qs3d__masse strong { font-variant-numeric: tabular-nums; }
.qs3d__masse small { display: block; opacity: .7; font-size: 12.5px; }
.qs3d__label { margin: 0 0 8px; font-size: 14px; }
.qs3d__knoepfe { display: flex; flex-wrap: wrap; gap: 8px; }
.qs3d__knopf { min-height: 44px; padding: 10px 16px; border: 1px solid rgba(0,0,0,.25); border-radius: 999px; background: #fff; color: var(--qs3d-text); font: inherit; font-size: 14px; cursor: pointer; }
.qs3d__knopf[aria-pressed="true"] { border-color: var(--qs3d-text); background: var(--qs3d-text); color: #fff; }
.qs3d__knopf:focus-visible, .qs3d__ar:focus-visible { outline: 2px solid var(--qs3d-akzent); outline-offset: 2px; }
.qs3d--fehler .qs3d__hinweis { display: none; }