.ptk-wrap {
  position: relative;
  --ptk-columns: 3;
  --ptk-columns-tablet: 2;
  --ptk-columns-mobile: 1;
  --ptk-gap: 24px;
  --ptk-bg: #fff;
  --ptk-border: #dde5f1;
  --ptk-radius: 24px;
  --ptk-padding: 28px;
  --ptk-min-height: 250px;
  --ptk-text: #6b7fa3;
  --ptk-name: #0d3568;
  --ptk-meta: #7a8faa;
  --ptk-rating: #f4ba3f;
  --ptk-accent-1: #5cd6ff;
  --ptk-accent-2: #f3b565;
}

.ptk-grid,
.ptk-track {
  display: grid;
  gap: var(--ptk-gap);
}

.ptk-grid {
  grid-template-columns: repeat(var(--ptk-columns), minmax(0, 1fr));
}

.ptk-slider-shell {
  position: relative;
  overflow: hidden;
}

.ptk-track {
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - (var(--ptk-gap) * (var(--ptk-columns) - 1))) / var(--ptk-columns));
  transition: transform 0.45s ease;
  will-change: transform;
}

.ptk-card {
  position: relative;
  min-height: var(--ptk-min-height);
  display: flex;
  flex-direction: column;
  background: var(--ptk-bg);
  border: 1px solid var(--ptk-border);
  border-radius: var(--ptk-radius);
  padding: var(--ptk-padding);
}

.ptk-shadow-soft .ptk-card {
  box-shadow: 0 14px 35px rgba(17, 24, 39, 0.05);
}

.ptk-shadow-medium .ptk-card {
  box-shadow: 0 18px 45px rgba(17, 24, 39, 0.08);
}

.ptk-shadow-strong .ptk-card {
  box-shadow: 0 22px 58px rgba(17, 24, 39, 0.12);
}

.ptk-card__line {
  height: 4px;
  width: calc(100% + (var(--ptk-padding) * 2));
  margin: calc(-1 * var(--ptk-padding)) calc(-1 * var(--ptk-padding)) 24px;
  border-radius: var(--ptk-radius) var(--ptk-radius) 999px 999px;
  background: linear-gradient(90deg, var(--ptk-accent-1), var(--ptk-accent-2));
}

.ptk-card__quote-mark {
  position: absolute;
  top: 26px;
  right: 22px;
  font-size: 56px;
  line-height: 1;
  color: rgba(91, 118, 157, 0.16);
  font-weight: 700;
}

.ptk-card__badge {
  display: inline-flex;
  align-self: flex-start;
  background: rgba(93, 214, 255, 0.12);
  color: var(--ptk-name);
  border: 1px solid rgba(93, 214, 255, 0.3);
  border-radius: 999px;
  padding: 7px 11px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 14px;
}

.ptk-card__avatar-wrap {
  margin-bottom: 14px;
}

.ptk-card__avatar {
  width: 64px;
  height: 64px;
  object-fit: cover;
  display: block;
}

.ptk-shape-circle .ptk-card__avatar { border-radius: 999px; }
.ptk-shape-rounded .ptk-card__avatar { border-radius: 18px; }
.ptk-shape-square .ptk-card__avatar { border-radius: 8px; }

.ptk-card__rating {
  color: var(--ptk-rating);
  font-size: 16px;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.ptk-card__text {
  color: var(--ptk-text);
  font-size: 18px;
  line-height: 1.8;
  margin-bottom: 28px;
  flex: 1;
}

.ptk-card__footer {
  margin-top: auto;
}

.ptk-card__name {
  color: var(--ptk-name);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
}

.ptk-card__meta {
  color: var(--ptk-meta);
  font-size: 14px;
  margin-top: 6px;
}

.ptk-card__button {
  display: inline-flex;
  margin-top: 14px;
  background: var(--ptk-name);
  color: #fff !important;
  text-decoration: none;
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 700;
}

.ptk-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 42px;
  height: 42px;
  border: 1px solid var(--ptk-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ptk-name);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(17, 24, 39, 0.08);
}

.ptk-nav:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.ptk-nav-prev { left: 10px; }
.ptk-nav-next { right: 10px; }

.ptk-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 18px;
}

.ptk-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 0;
  background: rgba(13, 53, 104, 0.18);
  cursor: pointer;
}

.ptk-dot.is-active {
  background: var(--ptk-name);
}

.ptk-animation-fade-up .ptk-card,
.ptk-animation-zoom-in .ptk-card,
.ptk-animation-slide-up .ptk-card {
  animation-duration: 0.55s;
  animation-fill-mode: both;
}

.ptk-animation-fade-up .ptk-card { animation-name: ptkFadeUp; }
.ptk-animation-zoom-in .ptk-card { animation-name: ptkZoomIn; }
.ptk-animation-slide-up .ptk-card { animation-name: ptkSlideUp; }

@keyframes ptkFadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes ptkZoomIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes ptkSlideUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1024px) {
  .ptk-grid {
    grid-template-columns: repeat(var(--ptk-columns-tablet), minmax(0, 1fr));
  }

  .ptk-track {
    grid-auto-columns: calc((100% - (var(--ptk-gap) * (var(--ptk-columns-tablet) - 1))) / var(--ptk-columns-tablet));
  }
}

@media (max-width: 767px) {
  .ptk-grid {
    grid-template-columns: repeat(var(--ptk-columns-mobile), minmax(0, 1fr));
  }

  .ptk-track {
    grid-auto-columns: 100%;
  }

  .ptk-card__text {
    font-size: 17px;
  }

  .ptk-nav {
    display: none;
  }
}