/* =========================================================
   DIGITAL SENSE — Podcast
   Plattformen / Distribution (Podcast-only)
   ========================================================= */

/* ---------------------------------------------------------
   Platforms grid
   --------------------------------------------------------- */
.platform-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: stretch;
}

@media (max-width: 1100px) {
  .platform-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .platform-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------------------------------------------------------
   Platform card (flip container)
   --------------------------------------------------------- */
.platform-card {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.12);

  perspective: 1200px;
  transform-style: preserve-3d;

  aspect-ratio: 2.6 / 5;
  min-height: 480px;
}

@media (min-width: 1400px) {
  .platform-card {
    min-height: 520px;
  }
}

/* Mobile: etwas ruhiger/kompakter, aber Panorama bleibt erhalten */
@media (max-width: 620px) {
  .platform-card {
    aspect-ratio: 4 / 5;
    min-height: 120px;
  }
}

@media (max-width: 620px) {
  .platform-grid {
    gap: 10px; /* vorher 28px */
  }
}

/* ---------------------------------------------------------
   Platform link
   --------------------------------------------------------- */
.platform-link {
  display: block;
  height: 100%;
  text-decoration: none;
  color: inherit;
  outline: none;
}

.platform-link:focus-visible {
  outline: 3px solid rgba(30, 110, 255, 0.55);
  outline-offset: 4px;
  border-radius: 18px;
}

/* ---------------------------------------------------------
   Flip inner
   --------------------------------------------------------- */
.platform-inner {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;

  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
  will-change: transform;
}

.platform-card:hover .platform-inner,
.platform-link:focus-visible .platform-inner {
  transform: rotateY(180deg);
}

/* ---------------------------------------------------------
   Flip faces
   --------------------------------------------------------- */
.platform-face {
  position: absolute;
  inset: 0;

  width: 100%;
  height: 100%;
  border-radius: inherit;
  overflow: hidden;

  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* ---------------------------------------------------------
   Panorama grid variables (cols + rows)
   --------------------------------------------------------- */
.platform-panorama {
  --cols: 4;
  --rows: 1;
}

/* Tablet: 2 Spalten = 2x2 */
@media (max-width: 1100px) {
  .platform-panorama {
    --cols: 2;
    --rows: 2;
  }
}

/* Mobile: 1 Spalte = 1x4 */
@media (max-width: 620px) {
  .platform-panorama {
    --cols: 1;
    --rows: 4;
  }
}

/* ---------------------------------------------------------
   Front face (panorama slice) — X + Y slicing
   --------------------------------------------------------- */
.platform-face--front {
  transform: translateZ(1px);

  background-image: var(--platform-bg);
  background-repeat: no-repeat;

  /* Slice in X und Y */
  background-size: calc(var(--cols, 1) * 100%) calc(var(--rows, 1) * 100%);

  /* X-Position + Y-Position */
  background-position: calc((var(--x, 0) / max(1, (var(--cols, 1) - 1))) * 100%)
    calc((var(--y, 0) / max(1, (var(--rows, 1) - 1))) * 100%);
}

/* Overlay gradient */
.platform-front-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;

  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.6) 0%,
    rgba(0, 0, 0, 0.18) 40%,
    rgba(0, 0, 0, 0) 70%
  );
}

/* Logo / icon */
.platform-logo {
  position: absolute;
  left: 50%;
  bottom: 72px;
  transform: translateX(-50%);
  font-size: 34px;
  line-height: 1;
  color: #fff;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.35));
}

/* Title */
.platform-title {
  position: absolute;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%);

  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.2px;
  color: #fff;

  text-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
  text-align: center;
  padding: 0 16px;
  white-space: nowrap;
}

/* Mobile: Titel/Logo etwas kompakter */
@media (max-width: 620px) {
  .platform-logo {
    bottom: 58px;
    font-size: 30px;
  }
  .platform-title {
    bottom: 26px;
    font-size: 24px;
  }
}

/* ---------------------------------------------------------
   Panorama mapping — Desktop (4x1)
   --------------------------------------------------------- */
.platform-panorama .platform-card--1 {
  --x: 0;
  --y: 0;
}
.platform-panorama .platform-card--2 {
  --x: 1;
  --y: 0;
}
.platform-panorama .platform-card--3 {
  --x: 2;
  --y: 0;
}
.platform-panorama .platform-card--4 {
  --x: 3;
  --y: 0;
}

/* ---------------------------------------------------------
   Panorama mapping — Tablet (2x2)
   --------------------------------------------------------- */
@media (max-width: 1100px) {
  .platform-panorama .platform-card--1 {
    --x: 0;
    --y: 0;
  }
  .platform-panorama .platform-card--2 {
    --x: 1;
    --y: 0;
  }
  .platform-panorama .platform-card--3 {
    --x: 0;
    --y: 1;
  }
  .platform-panorama .platform-card--4 {
    --x: 1;
    --y: 1;
  }
}

/* ---------------------------------------------------------
   Panorama mapping — Mobile (1x4)
   --------------------------------------------------------- */
@media (max-width: 620px) {
  .platform-panorama .platform-card--1 {
    --x: 0;
    --y: 0;
  }
  .platform-panorama .platform-card--2 {
    --x: 0;
    --y: 1;
  }
  .platform-panorama .platform-card--3 {
    --x: 0;
    --y: 2;
  }
  .platform-panorama .platform-card--4 {
    --x: 0;
    --y: 3;
  }
}

/* ---------------------------------------------------------
   Back face
   --------------------------------------------------------- */
.platform-face--back {
  transform: rotateY(180deg) translateZ(1px);

  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(17, 24, 39, 0.12);

  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);

  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
}

/* Back content */
.platform-back-content {
  max-width: 320px;
  text-align: center;
  color: #2a2a2a;
}

/* Back icon */
.platform-back-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 54px;
  height: 54px;
  border-radius: 14px;

  background: rgba(17, 24, 39, 0.06);
  font-size: 28px;
  margin-bottom: 16px;
  opacity: 0.9;
}

/* Back text */
.platform-back-text {
  display: block;
  font-size: 15px;
  line-height: 1.6;
  opacity: 0.85;
  margin-bottom: 16px;
}

/* Back CTA */
.platform-cta {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  justify-content: center;

  font-weight: 700;
  font-size: 14px;
  padding: 12px 14px;

  border-radius: 12px;
  background: rgba(17, 24, 39, 0.06);
  border: 1px solid rgba(17, 24, 39, 0.08);
}

/* ---------------------------------------------------------
   Touch behavior
   --------------------------------------------------------- */
@media (hover: none) and (pointer: coarse) {
  .platform-card:hover .platform-inner {
    transform: none;
  }
}

/* ---------------------------------------------------------
   Reduced motion
   --------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .platform-inner {
    transition: none;
  }

  .platform-card:hover .platform-inner,
  .platform-link:focus-visible .platform-inner {
    transform: none;
  }

  .platform-face--back {
    display: none;
  }
}