/* ==========================================================================
   Case study – slider a slide singola
   ========================================================================== */

.case-slider { position: relative; }

/* Solo la slide attiva è visibile */
.case-slide {
    display: none;
    gap: 28px;
    align-items: center;
}
.case-slide.is-active {
    display: grid;
    animation: caseIn .7s var(--ease) both;
}
@keyframes caseIn {
    from { opacity: 0; transform: translateX(28px); }
    to { opacity: 1; transform: none; }
}

.case-slide__media {
    margin: 0;
    aspect-ratio: 4 / 5;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--white);
    box-shadow: 0 24px 60px rgba(14, 14, 14, .12);
}
.case-slide__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-slide__info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
}
.case-slide__cat {
    margin: 0;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .14em;
    color: var(--accent);
}
.case-slide__title {
    font-size: clamp(36px, 5vw, 72px);
    font-weight: 800;
    line-height: 1.02;
    color: var(--title);
}
.case-slide__info .btn { margin-top: 12px; }

/* Controlli: contatore e frecce */
.case-slider__controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 40px;
}
.case-slider__counter {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--title);
    font-variant-numeric: tabular-nums;
}
.case-slider__counter span:first-child {
    font-size: 32px;
    color: var(--accent);
}
.case-slider__of { color: var(--text); }
.case-slider__arrows { display: flex; gap: 12px; }
.case-slider__arrow {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 1.5px solid var(--title);
    background: var(--white);
    color: var(--title);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: background .25s, color .25s, border-color .25s;
}
.case-slider__arrow svg { width: 22px; height: 22px; }
.case-slider__arrow:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--white);
}

/* Barra di avanzamento */
.case-slider__progress {
    height: 3px;
    margin-top: 24px;
    background: rgba(61, 61, 61, .14);
    border-radius: 3px;
    overflow: hidden;
}
.case-slider__progress span {
    display: block;
    width: 0;
    height: 100%;
    background: var(--accent);
}
.case-slider__progress span.is-running {
    animation: caseProgress var(--case-delay, 6000ms) linear forwards;
}
.case-slider.is-paused .case-slider__progress span { animation-play-state: paused; }
@keyframes caseProgress {
    from { width: 0; }
    to { width: 100%; }
}

/* Miniature */
.case-slider__thumbs {
    display: flex;
    gap: 12px;
    margin-top: 28px;
    padding: 4px 2px 6px;
    overflow-x: auto;
    scrollbar-width: none;
}
.case-slider__thumbs::-webkit-scrollbar { display: none; }
.case-slider__thumbs li { flex: 0 0 auto; }
.case-thumb {
    display: block;
    width: 88px;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 14px;
    overflow: hidden;
    background: var(--white);
    cursor: pointer;
    opacity: .5;
    transition: opacity .25s, border-color .25s, transform .25s var(--ease);
}
.case-thumb img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
}
.case-thumb:hover { opacity: .9; }
.case-thumb.is-active {
    opacity: 1;
    border-color: var(--accent);
    transform: translateY(-3px);
}

/* Una sola slide: niente controlli */
.case-slider.is-single .case-slider__controls,
.case-slider.is-single .case-slider__progress,
.case-slider.is-single .case-slider__thumbs { display: none; }

/* Desktop: immagine e testo affiancati */
@media (min-width: 900px) {
    .case-slide.is-active {
        grid-template-columns: 1.1fr 1fr;
        gap: 80px;
    }
    .case-slide__media { max-height: 640px; }
}

@media (max-width: 600px) {
    .case-slide__media { aspect-ratio: 1 / 1; }
    .case-slider__arrow { width: 48px; height: 48px; }
    .case-slider__controls { margin-top: 28px; }
    .case-thumb { width: 72px; }
}

@media (prefers-reduced-motion: reduce) {
    .case-slide.is-active { animation: none; }
    .case-slider__progress { display: none; }
    .case-thumb { transition: none; }
}