.sdf-section {
  --gap: 34px;
  --pad: 24px;
  --end-pad: 48vw;
  --start-offset: 36vw;
  --slide-w: 320px;
  position: relative;
}

/* SLIDER */
.sdf-slider {
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: auto;
  cursor: auto;
  padding: 8px 0 18px;
  scrollbar-width: none;
}

.sdf-slider::-webkit-scrollbar {
  height: 0;
}

/* TRACK (shrink-wrap sul contenuto, fondamentale per spacer finale) */
.sdf-track {
  display: inline-flex; /* <-- invece di flex */
  width: max-content; /* <-- fa sì che ::after aggiunga scrollWidth */
  gap: var(--gap);
  align-items: flex-start;
  padding-right: 0; /* lo spazio finale lo fa ::after */
  will-change: scroll-position;
}

/* Spacer iniziale */
.sdf-track::before {
  content: "";
  flex: 0 0 auto;
  width: var(--start-offset);
  transition: width 0.35s ease;
}

.sdf-section.is-scrolled .sdf-track::before {
  width: var(--pad);
}

/* Spacer finale: gap + spacer = end-pad “netti” */
.sdf-track::after {
  content: "";
  flex: 0 0 auto;
  width: max(0px, calc(var(--end-pad) - var(--gap)));
}

/* SLIDE */
.sdf-slide {
  flex: 0 0 auto;
  width: 320px;
  outline: none;
}

.sdf-frame {
  border-radius: 18px;
  overflow: hidden;
  border: 4px solid rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
  background: rgba(255, 255, 255, 0.06);
}

/* Immagine */
.sdf-img {
  display: block;
  width: 100%;
  height: 400px !important;
  object-fit: cover;
  -webkit-user-drag: none;
  user-drag: none;
  pointer-events: none;
}

/* Anti selezione */
.sdf-slider,
.sdf-track,
.sdf-slide {
  user-select: none;
  -webkit-user-select: none;
}

/* Titolo */
.sdf-title {
  margin: 12px 0 0;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* Stato dragging */
.sdf-slider.is-dragging {
  cursor: none;
  scroll-behavior: auto;
}

/* CURSORE CUSTOM */
.sdf-cursor {
  position: absolute;
  left: 0;
  top: 0;
  width: 126px;
  height: 126px;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.95);
  pointer-events: none;

  display: flex;
  align-items: center;
  justify-content: center;

  /* centratura sul mouse */
  margin-left: -63px;
  margin-top: -63px;

  opacity: 0;
  transition: opacity 0.22s ease; /* fade */
  will-change: transform, opacity;
}

.sdf-cursor.is-visible {
  opacity: 1;
}

.sdf-cursor-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;

  transform: scale(0.35);
  transition: transform 0.85s cubic-bezier(0.2, 0.9, 0.25, 1); /* crescita più lenta */
  will-change: transform;
}

.sdf-cursor.is-visible .sdf-cursor-inner {
  transform: scale(1);
}

.sdf-cursor-label {
  color: #fff;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sdf-cursor-arrow {
  color: #fff;
  font-size: 18px;
  line-height: 1;
  opacity: 0.95;
}

.sdf-slider.is-cursor-hidden {
  cursor: none;
}

/* durante lo switch (JS) disattiviamo la transizione dello spacer iniziale */
.sdf-section.no-anim .sdf-track::before {
  transition: none !important;
}

/* di base NON nascondiamo il cursore nativo */
.sdf-slider {
  cursor: auto;
}

/* lo nascondiamo solo quando il custom è già entrato in scena */
.sdf-slider.is-cursor-hidden {
  cursor: none;
}

/* TOPLINE: linea full-width + titolo posizionato sopra la prima slide */
.sdf-topline {
  position: relative;
  margin-bottom: 10px; /* a gusto */
}

.sdf-topline-row {
  position: relative;
  min-height: 44px; /* spazio per titolo + barretta */
}

/* la linea orizzontale: la facciamo full width */
.sdf-topline-line {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: rgba(255, 255, 255, 0.55);
  transform: translateY(-50%);
}

/* il blocco centrale (titolo + bar) lo ancoriamo sopra la prima slide */
.sdf-topline-center {
  position: absolute;
  top: 50%;
  left: calc(var(--start-offset) + (var(--slide-w) / 2));
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;

  transition: left 0.35s ease;
}

/* durante lo switch “no-anim”, disattiva la transizione anche qui */
.sdf-section.no-anim .sdf-topline-center {
  transition: none !important;
}

/* estetica base del titolo (se ti serve) */
.sdf-topline-title {
  color: #fff;
  text-transform: uppercase;
  transition: opacity 0.2s ease;
  font-family: "Gopher Black";
  font-size: 18px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 80vw;
}

.sdf-topline-bar {
  width: 44px;
  height: 3px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
}

/* Centro (titolo+bar) sempre fisso sopra la prima slide */
.sdf-topline-row {
  position: relative;
  min-height: 44px;
}

.sdf-topline-center {
  position: absolute;
  top: 50%;
  left: calc(var(--start-offset) + (var(--slide-w) / 2)) !important;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

/* Se avevi una regola che in .is-scrolled lo spostava a sinistra, la neutralizziamo */
.sdf-section.is-scrolled .sdf-topline-center {
  left: calc(var(--start-offset) + (var(--slide-w) / 2)) !important;
}

/* Nascondiamo le linee “lunghe” in markup */
.sdf-topline-line {
  display: none !important;
}

/* Barretta sotto al titolo + liniette laterali da 3cm */
.sdf-topline-line {
  display: none !important;
}

.sdf-topline-row::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 0; /* usiamo border, non height */
  border-top: 3px dashed rgba(255, 255, 255);
  z-index: 1;
}

.sdf-topline-center {
  position: absolute;
  top: 11%;
  left: calc(var(--start-offset) + (var(--slide-w) / 2)) !important;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  z-index: 2; /* sopra la linea */
}

.sdf-section.is-scrolled .sdf-topline-center {
  left: calc(var(--start-offset) + (var(--slide-w) / 2)) !important;
}

/* barretta sotto titolo */
.sdf-topline-bar {
  width: 244px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255);
}

.sdf-topline-bar::before {
  right: calc(100% + var(--topline-gap));
}
.sdf-topline-bar::after {
  left: calc(100% + var(--topline-gap));
}

/* RESPONSIVE TABLET */
@media only screen and (max-width: 1024px) and (min-width: 769px) {
  .sdf-section {
    --slide-w: 300px;
    --start-offset: calc(50vw - (var(--slide-w) / 2) - var(--gap));
    --pad: calc(50vw - (var(--slide-w) / 2) - var(--gap));
    --end-pad: 50vw;
  }

  .sdf-slider {
    touch-action: pan-y;
  }

  .sdf-topline-center {
    left: 50% !important;
  }

  .sdf-section.is-scrolled .sdf-topline-center {
    left: 50% !important;
  }

  .sdf-track::before {
    width: calc(50vw - (var(--slide-w) / 2) - var(--gap)) !important;
  }

  .sdf-section.is-scrolled .sdf-track::before {
    width: calc(50vw - (var(--slide-w) / 2) - var(--gap)) !important;
  }

  .sdf-track::after {
    width: max(0px, calc(50vw - (var(--slide-w) / 2) - var(--gap)));
  }
}

/* RESPONSIVE MOBILE */
@media only screen and (max-width: 768px) {
  .sdf-section {
    --slide-w: 280px;
    --start-offset: calc(50vw - (var(--slide-w) / 2) - var(--gap));
    --pad: calc(50vw - (var(--slide-w) / 2) - var(--gap));
    --end-pad: 50vw;
  }

  .sdf-slider {
    touch-action: pan-y;
  }

  .sdf-topline-center {
    left: 50% !important;
  }

  .sdf-section.is-scrolled .sdf-topline-center {
    left: 50% !important;
  }

  .sdf-track::before {
    width: calc(50vw - (var(--slide-w) / 2) - var(--gap)) !important;
  }

  .sdf-section.is-scrolled .sdf-track::before {
    width: calc(50vw - (var(--slide-w) / 2) - var(--gap)) !important;
  }

  .sdf-track::after {
    width: max(0px, calc(50vw - (var(--slide-w) / 2) - var(--gap)));
  }

  .sdf-slide {
    width: 280px;
  }

  .sdf-img {
    height: 320px !important;
  }

  .sdf-topline-title {
    transition: opacity 0.15s ease;
  }
}