/* Flip-card «10 преимуществ»: front = hall cover, back = purple + CTA */

#advantagesCard.flip-card,
.articles-block #advantagesCard.flip-card,
html.app-mode #advantagesCard.flip-card {
  background-color: transparent;
  width: 100%;
  max-width: 320px;
  height: auto !important;
  min-height: 0 !important;
  max-height: none !important;
  aspect-ratio: 1 / 1;
  margin: 0 auto 20px;
  perspective: 1000px;
  -webkit-perspective: 1000px;
  cursor: pointer;
  border: none;
  outline: none;
  position: relative;
  z-index: 2;
  padding: 0 !important;
  flex: none;
}

#advantagesCard .flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.65s cubic-bezier(0.4, 0.2, 0.2, 1);
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
}

#advantagesCard.flip-card.flipped .flip-card-inner,
#advantagesCard.flip-card.is-flipped .flip-card-inner {
  transform: rotateY(180deg);
  -webkit-transform: rotateY(180deg);
}

#advantagesCard .flip-card-front,
#advantagesCard .flip-card-back {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 16px;
  box-sizing: border-box;
  overflow: hidden;
  border: 2px solid rgba(89, 60, 144, 0.45);
}

#advantagesCard .flip-card-front {
  padding: 0;
  background: #1a0b2e;
  z-index: 2;
}

#advantagesCard .flip-card-cover-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center;
  display: block;
}

#advantagesCard .flip-card-cover-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 20px 16px 22px;
  text-align: center;
  background: linear-gradient(180deg, rgba(6, 3, 6, 0.12) 0%, rgba(6, 3, 6, 0.82) 72%);
}

#advantagesCard .flip-card-back {
  transform: rotateY(180deg);
  -webkit-transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px 18px;
  text-align: center;
  background: linear-gradient(160deg, #593C90, #3d2566 55%, #1a0b2e);
  z-index: 1;
}

#advantagesCard .flip-card-icon {
  font-size: 34px;
  line-height: 1;
}

#advantagesCard .flip-card-title {
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(18px, 4.5vw, 22px);
  line-height: 1.25;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
}

#advantagesCard .flip-card-arrow {
  color: #FFDE59;
  font-size: 26px;
  font-weight: 700;
}

#advantagesCard .flip-card-back h3 {
  color: #FFDE59;
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(16px, 4.2vw, 20px);
  font-weight: 800;
  margin: 0;
  line-height: 1.3;
}

#advantagesCard .flip-card-back p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  margin: 0;
  font-family: 'Montserrat', sans-serif;
}

#advantagesCard .flip-card-back .btn-go {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #FFDE59;
  color: #1a0b2e;
  border: none;
  padding: 12px 20px;
  border-radius: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  position: relative;
  z-index: 5;
  pointer-events: auto;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

#advantagesCard .flip-card-back .btn-go:hover,
#advantagesCard .flip-card-back .btn-go:active {
  transform: scale(1.04);
}

.articles-block,
.articles-block .container,
#articles,
#section-contacts {
  transform: none !important;
  perspective: none;
}

.articles-subtitle-only,
.articles-block > .container > .subtitle {
  display: none !important;
}

@media (max-width: 768px) {
  #advantagesCard.flip-card,
  .articles-block #advantagesCard.flip-card,
  html.app-mode #advantagesCard.flip-card {
    max-width: min(100%, 300px);
    height: auto !important;
    min-height: 0 !important;
    max-height: none !important;
    aspect-ratio: 1 / 1;
  }
}

@media (min-width: 769px) {
  #advantagesCard.flip-card {
    max-width: 320px;
  }

  #advantagesCard.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
    -webkit-transform: rotateY(180deg);
  }
}