/* =========================================================================
   3D-Artist-Sektion — Glas-Pistole + drehbarer Bilderring
   Alle Klassen sind mit .ka3d gescoped, damit nichts mit der restlichen
   Website kollidiert.
   ========================================================================= */

.ka3d {
  --ka3d-bg: #07070a;
  --ka3d-fg: #ffffff;
  --ka3d-muted: rgba(255, 255, 255, 0.55);
  --ka3d-line: rgba(255, 255, 255, 0.16);
  --ka3d-font: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --ka3d-mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --ka3d-pad: clamp(18px, 4vw, 54px);
  --ka3d-reveal: 0;

  position: relative;
  display: block;
  width: 100%;
  /* Scrollweg: der erste Bildschirm zeigt nur die Waffe, auf dem Weg nach
     unten baut sich der Bilderkreis auf. Die Bühne selbst bleibt gepinnt. */
  height: 300svh;
  background: var(--ka3d-bg);
  color: var(--ka3d-fg);
  font-family: var(--ka3d-font);
  isolation: isolate;
}

.ka3d__sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
  background: var(--ka3d-bg);
}

.ka3d *,
.ka3d *::before,
.ka3d *::after { box-sizing: border-box; }

.ka3d [hidden] { display: none !important; }

/* Statisches Schwarz-Weiß-Muster als Grundlage (auch ohne WebGL sichtbar) */
.ka3d__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: #060608;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(45deg, rgba(255, 255, 255, 0.022) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.022) 75%);
  background-size: 46px 46px, 46px 46px, 92px 92px;
}

.ka3d__stage {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.ka3d__canvas {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
  cursor: grab;
  touch-action: pan-y;        /* vertikales Scrollen bleibt möglich */
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.ka3d.is-hovering .ka3d__canvas { cursor: pointer; }
.ka3d.is-grabbing .ka3d__canvas { cursor: grabbing; }
.ka3d__canvas:focus-visible { outline: 2px solid rgba(255, 255, 255, 0.6); outline-offset: -4px; }

.ka3d__vignette {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% 45%, transparent 38%, rgba(0, 0, 0, 0.55) 100%),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.75) 0%, transparent 22%, transparent 62%, rgba(0, 0, 0, 0.9) 100%);
}

/* ------------------------------------------------------------------ Kopf */
.ka3d__head {
  position: absolute;
  top: var(--ka3d-pad);
  left: var(--ka3d-pad);
  z-index: 4;
  pointer-events: none;
  /* Am Anfang traegt der Glas-Schriftzug die Ueberschrift, die kleine
     Kopfzeile kommt erst mit den Werken dazu. */
  opacity: var(--ka3d-reveal);
}

.ka3d__eyebrow {
  margin: 0 0 6px;
  font-family: var(--ka3d-mono);
  font-size: 11px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--ka3d-muted);
}

.ka3d__heading {
  margin: 0;
  font-size: clamp(30px, 5.6vw, 76px);
  line-height: 0.92;
  font-weight: 700;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

/* ------------------------------------------------------------- Caption */
.ka3d__caption {
  position: absolute;
  left: var(--ka3d-pad);
  bottom: calc(var(--ka3d-pad) + 46px);
  z-index: 4;
  max-width: min(440px, 62vw);
  pointer-events: none;
  opacity: var(--ka3d-reveal);
}

.ka3d__cap-date {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 9px;
  border: 1px solid var(--ka3d-line);
  border-radius: 999px;
  font-family: var(--ka3d-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--ka3d-muted);
}

.ka3d__cap-title {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 42px);
  line-height: 1.04;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.8);
}

.ka3d__cap-client {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--ka3d-muted);
}

.ka3d__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.ka3d__tag {
  padding: 4px 10px;
  border: 1px solid var(--ka3d-line);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  font-family: var(--ka3d-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(6px);
}

.ka3d__caption.is-swap .ka3d__cap-title,
.ka3d__caption.is-swap .ka3d__cap-client,
.ka3d__caption.is-swap .ka3d__cap-date,
.ka3d__caption.is-swap .ka3d__tag {
  animation: ka3d-swap 0.45s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes ka3d-swap {
  from { opacity: 0; transform: translateY(10px); filter: blur(4px); }
  to   { opacity: 1; transform: none; filter: none; }
}

/* ------------------------------------------------------------ Steuerung */
.ka3d__controls {
  position: absolute;
  right: var(--ka3d-pad);
  bottom: var(--ka3d-pad);
  z-index: 5;
  opacity: var(--ka3d-reveal);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
  transition: visibility 0.3s;
}

.ka3d:not(.is-revealed) .ka3d__controls { visibility: hidden; }

.ka3d__controls-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.ka3d__nav {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ka3d-line);
  border-radius: 50%;
  background: rgba(10, 10, 14, 0.5);
  color: #fff;
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: background 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.ka3d__nav:hover { background: rgba(255, 255, 255, 0.14); transform: translateY(-2px); }
.ka3d__nav:active { transform: translateY(0) scale(0.95); }

.ka3d__nav svg,
.ka3d__lb-nav svg,
.ka3d__lb-close svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ka3d__counter {
  min-width: 68px;
  text-align: center;
  font-family: var(--ka3d-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ka3d-muted);
}

/* ----------------------------------------------------------------- Dots */
.ka3d__dots {
  display: flex;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(8, 8, 12, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.ka3d__dot {
  width: 22px;
  height: 3px;
  padding: 0;
  border: 0;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.22);
  cursor: pointer;
  transition: background 0.3s ease, width 0.3s ease;
}

.ka3d__dot:hover { background: rgba(255, 255, 255, 0.5); }
.ka3d__dot.is-active { width: 40px; background: #fff; }

/* ----------------------------------------------------------------- Hint */
.ka3d__hint {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--ka3d-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.42);
  pointer-events: none;
  transition: opacity 0.45s ease;
}

.ka3d__hint--scroll {
  /* unten links statt mittig: mittig lag der Hinweis im Magazin der Waffe */
  left: var(--ka3d-pad);
  bottom: var(--ka3d-pad);
  transform: none;
  flex-direction: row;
  gap: 12px;
  opacity: calc(1 - var(--ka3d-reveal) * 2.4);
}

.ka3d__hint--drag {
  top: calc(var(--ka3d-pad) + 6px);
  opacity: var(--ka3d-reveal);
}

.ka3d.is-grabbing .ka3d__hint { opacity: 0; }

/* Maus-Symbol für den Scroll-Hinweis */
.ka3d__hint-mouse {
  width: 20px;
  height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 11px;
  position: relative;
}

.ka3d__hint-mouse::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 7px;
  width: 3px;
  height: 6px;
  margin-left: -1.5px;
  border-radius: 2px;
  background: #fff;
  animation: ka3d-scroll 2s ease-in-out infinite;
}

@keyframes ka3d-scroll {
  0%, 100% { transform: translateY(0); opacity: 0.35; }
  50%      { transform: translateY(11px); opacity: 1; }
}

.ka3d__hint-icon {
  width: 26px;
  height: 14px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 8px;
  position: relative;
}

.ka3d__hint-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 4px;
  width: 4px;
  height: 4px;
  margin-top: -2px;
  border-radius: 50%;
  background: #fff;
  animation: ka3d-swipe 2.4s ease-in-out infinite;
}

@keyframes ka3d-swipe {
  0%, 100% { transform: translateX(0); opacity: 0.35; }
  50%      { transform: translateX(13px); opacity: 1; }
}

/* ------------------------------------------------------------- Lightbox */
.ka3d__lightbox {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s;
}

.ka3d__lightbox.is-open { opacity: 1; visibility: visible; }

.ka3d__lb-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 4, 6, 0.92);
  backdrop-filter: blur(18px);
}

.ka3d__lb-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(8px, 2vw, 26px);
  width: min(1240px, 94vw);
  max-height: 92svh;
  padding: 0 4px;
}

.ka3d__lb-figure {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transform: scale(0.96) translateY(14px);
  opacity: 0;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.45s ease;
}

.ka3d__lightbox.is-open .ka3d__lb-figure { transform: none; opacity: 1; }

.ka3d__lb-image {
  display: block;
  /* Der Rahmen nimmt die Form des Bildes an, statt es in ein festes
     Seitenverhältnis zu zwängen — so stehen nie Balken daneben, und
     hochformatige Detailaufnahmen bleiben vollständig. */
  width: auto;
  max-width: 100%;
  max-height: 72svh;
  align-self: center;
  border-radius: 10px;
  background: #0d0d11;
  border: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0;
  transition: opacity 0.45s ease;
}

.ka3d__lb-image.is-ready { opacity: 1; }

.ka3d__lb-thumbs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: thin;
}

.ka3d__lb-thumb {
  flex: 0 0 auto;
  width: 96px;
  height: 60px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  background: #0d0d11;
  overflow: hidden;
  cursor: pointer;
  opacity: 0.55;
  transition: opacity 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.ka3d__lb-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ka3d__lb-thumb:hover { opacity: 0.85; transform: translateY(-2px); }

.ka3d__lb-thumb.is-active {
  opacity: 1;
  border-color: rgba(255, 255, 255, 0.85);
}

.ka3d__lb-meta {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.ka3d__lb-date {
  font-family: var(--ka3d-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--ka3d-muted);
}

.ka3d__lb-title {
  margin: 6px 0 0;
  font-size: clamp(20px, 2.6vw, 32px);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.ka3d__lb-client {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--ka3d-muted);
}

.ka3d__lb-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.ka3d__lb-counter {
  font-family: var(--ka3d-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--ka3d-muted);
}

.ka3d__lb-link {
  padding: 9px 18px;
  border: 1px solid var(--ka3d-line);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #fff;
  text-decoration: none;
  transition: background 0.25s ease;
}

.ka3d__lb-link:hover { background: rgba(255, 255, 255, 0.14); }

.ka3d__lb-nav,
.ka3d__lb-close {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--ka3d-line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  cursor: pointer;
  transition: background 0.25s ease, transform 0.25s ease;
}

.ka3d__lb-nav:hover,
.ka3d__lb-close:hover { background: rgba(255, 255, 255, 0.18); }

.ka3d__lb-close {
  position: absolute;
  top: -58px;
  right: 0;
}

/* --------------------------------------------------------- Fallback-Grid */
.ka3d__fallback {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
  padding: calc(var(--ka3d-pad) + 90px) var(--ka3d-pad) var(--ka3d-pad);
}

.ka3d__fb-item { margin: 0; }
.ka3d__fb-item img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--ka3d-line);
}
.ka3d__fb-item figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--ka3d-muted);
}

.ka3d.is-fallback .ka3d__stage,
.ka3d.is-fallback .ka3d__caption,
.ka3d.is-fallback .ka3d__controls,
.ka3d.is-fallback .ka3d__dots,
.ka3d.is-fallback .ka3d__hint,
.ka3d.is-fallback .ka3d__vignette { display: none; }

.ka3d.is-fallback { height: auto; }
.ka3d.is-fallback .ka3d__sticky { position: static; height: auto; }

/* ---------------------------------------------------------------- Global */
.ka3d-lock, .ka3d-lock body { overflow: hidden; }

/* ------------------------------------------------------------ Responsive */
@media (max-width: 860px) {
  .ka3d { height: 280svh; }
  .ka3d__sticky { height: 100svh; }

  /* Hinweis unter die Ueberschrift, sonst kollidiert er mit dem Titel */
  .ka3d__hint--drag {
    top: auto;
    bottom: calc(var(--ka3d-pad) + 70px);
    left: var(--ka3d-pad);
    transform: none;
  }

  .ka3d__caption {
    bottom: calc(var(--ka3d-pad) + 84px);
    max-width: 84vw;
  }
  .ka3d__lb-nav { display: none; }
  .ka3d__lb-close { top: -50px; }
  .ka3d__lb-thumbs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: thin;
}

.ka3d__lb-thumb {
  flex: 0 0 auto;
  width: 96px;
  height: 60px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  background: #0d0d11;
  overflow: hidden;
  cursor: pointer;
  opacity: 0.55;
  transition: opacity 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.ka3d__lb-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ka3d__lb-thumb:hover { opacity: 0.85; transform: translateY(-2px); }

.ka3d__lb-thumb.is-active {
  opacity: 1;
  border-color: rgba(255, 255, 255, 0.85);
}

.ka3d__lb-meta { gap: 12px; }
  .ka3d__lb-side { align-items: flex-start; }
}

@media (max-width: 560px) {
  .ka3d__hint { font-size: 9px; letter-spacing: 0.14em; }
  .ka3d__hint-more { display: none; }
  .ka3d__nav { width: 38px; height: 38px; }
  .ka3d__counter { min-width: 56px; font-size: 11px; }
  .ka3d__dots { max-width: 86vw; overflow-x: auto; }
  .ka3d__dot { width: 16px; }
  .ka3d__dot.is-active { width: 30px; }
}

@media (prefers-reduced-motion: reduce) {
  .ka3d__hint-icon::after,
  .ka3d__hint-mouse::after { animation: none; }
  .ka3d__caption.is-swap .ka3d__cap-title,
  .ka3d__caption.is-swap .ka3d__cap-client,
  .ka3d__caption.is-swap .ka3d__cap-date,
  .ka3d__caption.is-swap .ka3d__tag { animation: none; }
  .ka3d__lb-figure { transition: none; }
}