/* --- Reset (ehem. reset.css) --- */
html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}
body {
  line-height: 1;
}
ol,
ul {
  list-style: none;
}
blockquote,
q {
  quotes: none;
}
blockquote:before,
blockquote:after,
q:before,
q:after {
  content: "";
  content: none;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* --- Basis --- */

body,
html {
  height: 100%;
  min-height: 100%;
}

body {
  background: -webkit-linear-gradient(top, #f6f7fc 0%, #d5e1e8 40%);
  background: linear-gradient(to bottom, #f6f7fc 0%, #d5e1e8 40%);
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  -webkit-transform: perspective(1500px);
  transform: perspective(1500px);
}

@media (max-width: 560px) {
  body {
    -webkit-transform: perspective(1500px) scale(0.68);
    transform: perspective(1500px) scale(0.68);
  }
}

/* --- Card: einziger 3D-Container (Tilt + Flip via JS) --- */

.card {
  width: 510px;
  height: 310px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin: -156px 0 0 -256px;
  border-radius: 4px;
  /* box-shadow: Endwert. JS steuert dynamisch während Intro */
  box-shadow: 0 45px 100px rgba(0, 0, 0, 0.4);
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  cursor: grab; /* v23: Greifhand für Tilt/Drag (#187) */
  -webkit-user-select: none;
  user-select: none;
  touch-action: none;
}

/* --- Shine-Overlay --- */

.card .shine {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    270deg,
    rgba(255, 255, 255, 0.25) 0%,
    rgba(255, 255, 255, 0) 75%
  );
  pointer-events: none;
  border-radius: 4px;
}

/* --- Layer: Vorder- und Rückseite ---
   Direkt in .card, eine einzige preserve-3d-Ebene.
   backface-visibility: die 3D-Engine entscheidet wer sichtbar ist.        */

.layer-1,
.layer-2 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 4px;
  overflow: hidden;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.layer-1 {
  /* v21: Fallback angepasst an neue SVGs rgb(118,97,0) = #766100 */
  background: #766100;
}

.layer-2 {
  transform: rotateY(180deg);
  background: #fff; /* VS ist weiss — verhindert Body-Gradient-Bleed */
}

.layer-1 img,
.layer-2 img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Link-Overlay: transparent, deckungsgleich über dem <img> */
.link-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none; /* SVG-Root blockt keine Touch/Klick-Events */
  /* Chrome-Fix: SVG Hit-Testing ist kaputt innerhalb preserve-3d.
     flat zieht das SVG aus dem 3D-Kontext, ohne die Darstellung zu ändern. */
  transform-style: flat;
}

.card-link {
  pointer-events: all; /* Nur die Link-Bereiche sind interaktiv */
  cursor: pointer; /* Zeigefinger auf Links (Card hat grab) */
}

.card-link rect {
  fill: white;
  fill-opacity: 0;
  pointer-events: all;
  transition: fill-opacity 0.2s ease;
}

.card-link:hover rect,
.card-link.js-hover rect {
  fill-opacity: 0.05;
}

/* Kontaktseite: dunkler Hover auf weissem Hintergrund */
.layer-2 .card-link rect {
  fill: black;
}

/* Tap-Bingo: Schneller Flash (0.1s) + Nachglühen (0.3s), wird per JS gesetzt/entfernt */
.card-link.bingo rect {
  animation: bingo-flash 0.4s ease-out;
}

@keyframes bingo-flash {
  0% {
    fill-opacity: 0.5;
  }
  25% {
    fill-opacity: 0.4;
  }
  100% {
    fill-opacity: 0;
  }
}

/* --- Version-Tag --- */

.version-tag {
  position: fixed;
  bottom: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  background: #3dba4e;
  color: #fff;
  font-family: monospace;
  font-size: 0.75rem;
  padding: 0.35rem 0.9rem;
  border-radius: 2rem;
  white-space: nowrap;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.9;
}

/* --- iOS DeviceOrientation Hint --- */

.tilt-hint {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.18);
  color: rgba(255, 255, 255, 0.85);
  border: none;
  border-radius: 2rem;
  padding: 0.5rem 1.2rem;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: opacity 0.3s;
}
.tilt-hint.hidden {
  opacity: 0;
  pointer-events: none;
}