/* === Card Fan Container === */

.card-fan {
  --fan-rotation-step: 4deg;
  display: flex;
  justify-content: center;
  gap: 0;
  position: relative;
  perspective: 1200px;
  perspective-origin: center center;
  padding: 3rem 1rem;
}

/* === Card Base Styles === */

.card {
  --index: 0;
  --offset-y: 0px;
  width: 170px;
  height: 230px;
  padding: 1rem 1.1rem;
  border-radius: 1.3rem;
  background: linear-gradient(145deg, #0f172a, #020617);
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.85),
    0 0 0 1px rgba(15, 23, 42, 0.9);
  color: #e5e7eb;
  display: flex;
  flex-direction: column;
  justify-content: space-between;

  margin-left: -65px;
  position: relative;
  transform-origin: bottom center;
  transform-style: preserve-3d;
  outline: none;
  z-index: 1;

  transform: rotateZ(calc(var(--index) * var(--fan-rotation-step)))
    translateY(var(--offset-y)) translateZ(0px);

  transition: transform 240ms cubic-bezier(0.22, 0.61, 0.36, 1),
    box-shadow 260ms cubic-bezier(0.22, 0.61, 0.36, 1), z-index 0s 120ms;
}

.card:first-child {
  margin-left: 0;
}

.card h2 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.card p {
  margin: 0;
  font-size: 0.88rem;
  color: #9ca3af;
}

.card:nth-child(1) {
  --index: -3;
  --offset-y: 45px;
}
.card:nth-child(2) {
  --index: -2;
  --offset-y: 30px;
}
.card:nth-child(3) {
  --index: -1;
  --offset-y: 15px;
}
.card:nth-child(4) {
  --index: 0;
  --offset-y: 0px;
}
.card:nth-child(5) {
  --index: 1;
  --offset-y: 15px;
}
.card:nth-child(6) {
  --index: 2;
  --offset-y: 30px;
}
.card:nth-child(7) {
  --index: 3;
  --offset-y: 45px;
}

/* === 3D Hover Interaction === */

.card:hover,
.card:focus-visible {
  transform: rotateZ(calc(var(--index) * var(--fan-rotation-step)))
    translateY(calc(var(--offset-y) - 30px)) translateZ(60px);

  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(56, 189, 248, 0.4);
  z-index: 10;
  transition: transform 260ms cubic-bezier(0.22, 0.61, 0.36, 1),
    box-shadow 260ms cubic-bezier(0.22, 0.61, 0.36, 1), z-index 0s;
}

/* === Reduced Motion === */

@media (prefers-reduced-motion: reduce) {
  .card {
    transition: none;
    transform: rotateZ(calc(var(--index) * var(--fan-rotation-step)))
      translateY(var(--offset-y));
  }

  .card:hover,
  .card:focus-visible {
    transform: rotateZ(calc(var(--index) * var(--fan-rotation-step)))
      translateY(calc(var(--offset-y) - 10px));
  }
}