/* ==========================================================
   Nicho 3D Carousel — Frontend Styles
   ========================================================== */

/* ── Section wrapper ───────────────────────────────────── */
.nsc-section {
  position: relative;
  overflow: hidden;
  padding: 4.5rem 0 5rem;
}

/* ── Heading ───────────────────────────────────────────── */
.nsc-heading {
  font-size: clamp(1.5rem, 4vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  z-index: 1;
}

/* ── 3D Scene ──────────────────────────────────────────── */
.nsc-scene {
  position: relative;
  z-index: 1;
  width: 100%;
  overflow: visible;
  perspective: 1100px;
  perspective-origin: 50% 50%;
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Track ─────────────────────────────────────────────── */
.nsc-track {
  position: relative;
  transform-style: preserve-3d;
  width: var(--nsc-card-w, 320px);
  height: var(--nsc-card-h, 460px);
  transition: transform .6s cubic-bezier(.25, .8, .25, 1);
}

/* ── Cards ─────────────────────────────────────────────── */
.nsc-card {
  position: absolute;
  top: 0;
  left: 0;
  width: var(--nsc-card-w, 320px);
  height: var(--nsc-card-h, 460px);
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  transition:
    transform .55s cubic-bezier(.25, .8, .25, 1),
    opacity   .55s ease,
    box-shadow .55s ease,
    filter    .55s ease;
  will-change: transform, opacity;
  border: 1px solid rgba(0, 245, 255, .15);
  box-shadow: 0 8px 40px rgba(0, 0, 0, .6);
  background: #0a0e24;
  text-decoration: none;
  display: block;
}

.nsc-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

/* active (center) */
.nsc-card.nsc-pos-0 {
  transform: translateX(0) rotateY(0deg) scale(1);
  opacity: 1;
  z-index: 10;
  box-shadow:
    0 0 0 1px rgba(0, 245, 255, .4),
    0 16px 60px rgba(0, 245, 255, .25),
    0 0 80px rgba(0, 245, 255, .1);
  filter: brightness(1);
}

/* ±1 */
.nsc-card.nsc-pos-1 {
  transform: translateX(var(--nsc-off1)) rotateY(-38deg) scale(.82);
  opacity: .82;
  z-index: 7;
  filter: brightness(.88);
}
.nsc-card.nsc-pos--1 {
  transform: translateX(calc(var(--nsc-off1) * -1)) rotateY(38deg) scale(.82);
  opacity: .82;
  z-index: 7;
  filter: brightness(.88);
}

/* ±2 */
.nsc-card.nsc-pos-2 {
  transform: translateX(var(--nsc-off2)) rotateY(-54deg) scale(.64);
  opacity: .55;
  z-index: 5;
  filter: brightness(.7);
}
.nsc-card.nsc-pos--2 {
  transform: translateX(calc(var(--nsc-off2) * -1)) rotateY(54deg) scale(.64);
  opacity: .55;
  z-index: 5;
  filter: brightness(.7);
}

/* ±3 */
.nsc-card.nsc-pos-3 {
  transform: translateX(var(--nsc-off3)) rotateY(-65deg) scale(.48);
  opacity: .28;
  z-index: 3;
  filter: brightness(.5);
}
.nsc-card.nsc-pos--3 {
  transform: translateX(calc(var(--nsc-off3) * -1)) rotateY(65deg) scale(.48);
  opacity: .28;
  z-index: 3;
  filter: brightness(.5);
}

/* beyond ±3 — hidden */
.nsc-card.nsc-pos-far {
  transform: translateX(var(--nsc-off3)) rotateY(-70deg) scale(.35);
  opacity: 0;
  z-index: 1;
  pointer-events: none;
}
.nsc-card.nsc-pos-far-neg {
  transform: translateX(calc(var(--nsc-off3) * -1)) rotateY(70deg) scale(.35);
  opacity: 0;
  z-index: 1;
  pointer-events: none;
}

/* ── Nav Buttons ───────────────────────────────────────── */
.nsc-prev,
.nsc-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(0, 10, 30, .75);
  border: 1px solid rgba(0, 245, 255, .4);
  color: #4cc8fc;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, border-color .2s, box-shadow .2s;
  backdrop-filter: blur(8px);
}
.nsc-prev { left:  clamp(8px, 3vw, 40px); }
.nsc-next { right: clamp(8px, 3vw, 40px); }
.nsc-prev:hover,
.nsc-next:hover {
  background: rgba(0, 245, 255, .12);
  border-color: rgba(0, 245, 255, .8);
  box-shadow: 0 0 18px rgba(0, 245, 255, .3);
}

/* ── Dots ──────────────────────────────────────────────── */
.nsc-dots {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 2.5rem;
  position: relative;
  z-index: 2;
}

.nsc-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(0, 245, 255, .25);
  border: 1px solid rgba(0, 245, 255, .4);
  cursor: pointer;
  transition: background .25s, transform .25s, box-shadow .25s;
}
.nsc-dot.active {
  background: #00f5ff;
  transform: scale(1.4);
  box-shadow: 0 0 10px rgba(0, 245, 255, .6);
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 640px) {
  .nsc-section      { padding: 3rem 0 4rem; }
  .nsc-heading      { font-size: clamp(1.5rem, 8vw, 2.2rem); margin-bottom: 2rem; }
  .nsc-prev,
  .nsc-next         { width: 38px; height: 38px; font-size: 1.2rem; }
}

@media (prefers-reduced-motion: reduce) {
  .nsc-card { transition: none !important; }
}