/* =============================================
   NOVA SLIDER — Front-end CSS
   ============================================= */

.ns-wrapper {
    position: relative;
    width: 100%;
    margin-left:  calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    max-width: 100vw;
    overflow: hidden;
    background: #111;
    user-select: none;
}

/* ── Stage ── */
.ns-stage {
    position: relative;
    height: var(--ns-h-d, 650px);
    overflow: hidden;
}

/* ── Track ── */
.ns-track {
    display: flex;
    height: 100%;
    will-change: transform;
}
.ns-track.ns-anim-slide  { transition: transform var(--ns-speed,800ms) cubic-bezier(.77,0,.18,1); }
.ns-track.ns-anim-fade   { transition: none; }  /* fade handled per-slide */
.ns-track.ns-anim-zoom   { transition: none; }

/* ── Slide ── */
.ns-slide {
    min-width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

/* FADE transition */
.ns-wrapper.is-fade .ns-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity var(--ns-speed,800ms) ease;
    pointer-events: none;
}
.ns-wrapper.is-fade .ns-slide.is-active {
    opacity: 1;
    pointer-events: auto;
    position: relative;
}

/* ZOOM transition */
.ns-wrapper.is-zoom .ns-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: scale(1.08);
    transition: opacity var(--ns-speed,800ms) ease, transform var(--ns-speed,800ms) ease;
    pointer-events: none;
}
.ns-wrapper.is-zoom .ns-slide.is-active {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
    position: relative;
}

/* ── Background / parallax ── */
.ns-bg {
    position: absolute;
    inset: -5%;          /* extra room for parallax shift */
    background-size: cover;
    background-position: center;
    will-change: transform;
    transition: transform 0.1s linear;
}

/* ── Overlay ── */
.ns-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.42);
    pointer-events: none;
}

/* ── Layers container ── */
.ns-layers {
    position: absolute;
    inset: 0;
    z-index: 2;
}

/* ── Base layer ── */
.ns-layer {
    position: absolute;
    line-height: 1.15;
    opacity: 0;
    will-change: opacity, transform;
}
.ns-slide.is-active .ns-layer { /* animations triggered by JS */ }

/* ── Text layer ── */
.ns-layer--text {
    text-shadow: 0 2px 20px rgba(0,0,0,.5);
}

/* ── Button layer ── */
.ns-layer--btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
    border: 2px solid currentColor;
    padding: 0.5em 1.6em;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    width: auto !important;
    white-space: nowrap;
    position: absolute;
    transition: background 0.22s, color 0.22s;
}
.ns-layer--btn:hover {
    background: currentColor;
}
.ns-layer--btn:hover .ns-btn-arr,
.ns-layer--btn:hover * { color: #111; }
.ns-btn-arr { transition: transform 0.2s; display: inline-block; }
.ns-layer--btn:hover .ns-btn-arr { transform: translateX(5px); }

/* ── Image layer ── */
.ns-layer--img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

/* ── Arrows ── */
.ns-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 56px; height: 56px;
    border-radius: 50%;
    background: rgba(0,0,0,.35);
    border: 1.5px solid rgba(255,255,255,.2);
    color: var(--ns-accent, #fff);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: background .22s, border-color .22s, transform .22s;
    padding: 0;
}
.ns-arrow svg { width: 24px; height: 24px; display: block; }
.ns-arrow:hover {
    background: rgba(0,0,0,.65);
    border-color: var(--ns-accent, rgba(255,255,255,.6));
    transform: translateY(-50%) scale(1.1);
}
.ns-prev { left:  clamp(.75rem,2.5vw,2rem); }
.ns-next { right: clamp(.75rem,2.5vw,2rem); }
.ns-arrow:focus-visible { outline: 3px solid var(--ns-accent,#fff); outline-offset: 3px; }

/* ── Timer bar ── */
.ns-timer-bar {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: rgba(255,255,255,.15);
    z-index: 10;
    overflow: hidden;
}
.ns-timer-fill {
    height: 100%;
    width: 0;
    background: var(--ns-accent, #e8c07d);
    transition: width linear;
}

/* ── Thumbnail nav ── */
.ns-thumbs {
    display: flex;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: #111;
    overflow-x: auto;
    scrollbar-width: thin;
}
.ns-thumb {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: 4px;
    padding: 3px;
    background: none;
    transition: border-color .2s;
    color: #888;
    font-size: 0.72rem;
}
.ns-thumb img {
    width: 80px; height: 48px;
    object-fit: cover;
    border-radius: 2px;
    display: block;
}
.ns-thumb-num {
    width: 80px; height: 48px;
    background: #222;
    border-radius: 2px;
    display: flex; align-items: center; justify-content: center;
    color: #555; font-size: 0.85rem;
}
.ns-thumb-label {
    max-width: 80px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.ns-thumb.is-active { border-color: var(--ns-accent, #e8c07d); color: var(--ns-accent, #e8c07d); }
.ns-thumb:hover { border-color: rgba(255,255,255,.3); }

/* ─────────────────────
   RESPONSIVE
───────────────────── */
@media (max-width: 768px) {
    .ns-stage { height: var(--ns-h-m, 420px); }
    .ns-arrow { width: 40px; height: 40px; }
    .ns-arrow svg { width: 18px; height: 18px; }
    .ns-thumbs { gap: 0.35rem; padding: 0.5rem 0.6rem; }
    .ns-thumb img, .ns-thumb-num { width: 58px; height: 36px; }
    .ns-thumb-label { max-width: 58px; }
}

/* ─────────────────────
   LAYER ANIMATIONS (CSS keyframes)
───────────────────── */
@keyframes ns-fadeUp    { from { opacity:0; transform:translateY(35px); } to { opacity:1; transform:none; } }
@keyframes ns-fadeLeft  { from { opacity:0; transform:translateX(-35px);} to { opacity:1; transform:none; } }
@keyframes ns-fadeRight { from { opacity:0; transform:translateX(35px); } to { opacity:1; transform:none; } }
@keyframes ns-zoomIn    { from { opacity:0; transform:scale(.8);         } to { opacity:1; transform:none; } }
@keyframes ns-fadeIn    { from { opacity:0; }                              to { opacity:1;                 } }

.ns-layer.ns-anim-active.ns-anim--fadeUp    { animation: ns-fadeUp    var(--dur,.8s) var(--del,0s) both ease; }
.ns-layer.ns-anim-active.ns-anim--fadeLeft  { animation: ns-fadeLeft  var(--dur,.8s) var(--del,0s) both ease; }
.ns-layer.ns-anim-active.ns-anim--fadeRight { animation: ns-fadeRight var(--dur,.8s) var(--del,0s) both ease; }
.ns-layer.ns-anim-active.ns-anim--zoomIn    { animation: ns-zoomIn    var(--dur,.8s) var(--del,0s) both ease; }
.ns-layer.ns-anim-active.ns-anim--fadeIn    { animation: ns-fadeIn    var(--dur,.8s) var(--del,0s) both ease; }
.ns-layer.ns-anim-active.ns-anim--none      { opacity:1; }