/* ───────────────────────────────────────────────────────────────
   Collection page — Layout, map, filters
   ─────────────────────────────────────────────────────────────── */

/* ─── Page hero ─── */
.col-hero {
  padding: calc(var(--nav-h) + 80px) var(--pad-x) 80px;
  background: var(--cream);
}
.col-hero__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: end;
}
.col-hero h1 {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(3rem, 8vw, 8rem);
  line-height: 0.95;
  letter-spacing: -0.025em;
}
.col-hero h1 em { font-style: italic; }
.col-hero__intro {
  font-size: var(--fs-lead);
  line-height: 1.55;
  max-width: 440px;
  color: var(--dark);
  padding-bottom: 12px;
}

/* ─── Filter bar (sticky) — 2 clean intentional rows ─── */
.filters {
  position: sticky;
  top: var(--nav-h);
  z-index: 50;
  background: var(--cream);
  border-block: 1px solid var(--rule);
  padding: 0 var(--pad-x);
  display: block;
}
.filters__groups {
  display: flex;
  align-items: center;
  gap: 0;
  padding-block: 14px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.filters__groups::-webkit-scrollbar { display: none; }
.filters__group {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 22px 0 0;
  flex-shrink: 0;
}
.filters__group + .filters__group { padding-left: 22px; border-left: 1px solid var(--rule); }
.filters__label {
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--greige);
}
.filters__pills { display: flex; gap: 8px; }
.filters__pill {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--dark);
  padding: 6px 12px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  transition: background 0.3s var(--ease-out), color 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
  white-space: nowrap;
}
.filters__pill:hover { border-color: var(--dark); }
.filters__pill.is-active {
  background: var(--dark);
  color: var(--cream);
  border-color: var(--dark);
}

.filters__right {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-block: 12px;
  border-top: 1px solid var(--rule);
  justify-content: flex-end;
}
.filters__count {
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--greige);
}
.filters__count strong { color: var(--dark); font-weight: 400; }
.filters__reset {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dark);
  border-bottom: 1px solid var(--dark);
  padding-bottom: 2px;
  cursor: pointer;
}
/* Map toggle — visible on desktop */
.filters__toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dark);
  padding: 8px 16px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.3s var(--ease-out), color 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
  white-space: nowrap;
}
.filters__toggle:hover { border-color: var(--dark); }
.filters__toggle.map-hidden {
  background: var(--dark);
  color: var(--cream);
  border-color: var(--dark);
}

/* Filter bar — scroll-hide behaviour */
.filters {
  transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.38s ease;
}
.filters.is-hidden-scroll {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

/* Map hidden state — list takes full width, centered */
.split.map-hidden {
  grid-template-columns: 1fr;
}
.split.map-hidden .split__map-wrap {
  display: none;
}
.split.map-hidden .split__list {
  border-left: none;
  width: 100%;        /* grid item with margin:auto loses stretch → force fill */
  max-width: 920px;
  margin: 0 auto;
  padding-block: clamp(40px, 6vw, 64px);
}
/* Listings: more breathing room when map is hidden */
.split.map-hidden .listing {
  padding: 24px 0;
  margin: 0;
  border-radius: 0;
  border-top: 1px solid var(--rule);
}
.split.map-hidden .listing:first-of-type { border-top: none; }

/* ─── Split layout: map + list ─── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - var(--nav-h));
}
.split__map-wrap {
  position: sticky;
  top: calc(var(--nav-h) + 73px);
  height: calc(100vh - var(--nav-h) - 73px);
  background: var(--cream-2);
}
#mapEl { width: 100%; height: 100%; background: var(--cream-2); }

.split__list {
  padding: 32px var(--pad-x);
  display: flex;
  flex-direction: column;
  gap: 32px;
  border-left: 1px solid var(--rule);
}

/* ─── Listing card ─── */
.listing {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 28px;
  align-items: stretch;
  padding: 16px;
  margin: -16px;
  border-radius: 4px;
  transition: background 0.5s var(--ease-out);
  scroll-margin-top: calc(var(--nav-h) + 80px);
  cursor: pointer;
}
.listing:hover { background: var(--cream-2); }
.listing.is-active { background: var(--cream-2); }
.listing.is-hidden { display: none; }

.listing__media {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 125%;     /* 4:5 — tecnica robusta, niente dipendenza da aspect-ratio */
  overflow: hidden;
  background: var(--cream-2);
}
/* ── Gallery slides ── */
.listing__gallery {
  position: absolute;
  inset: 0;
}
.listing__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s var(--ease-out);
  /* layer proprio → crossfade stabile su iOS, niente repaint del badge */
  will-change: opacity;
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}
.listing__slide.is-active { opacity: 1; }
.listing__slide img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1.2s var(--ease-out);
}
.listing:hover .listing__slide.is-active img { transform: scale(1.04); }

/* ── Arrow controls ── */
.listing__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(247,245,240,0.88);
  backdrop-filter: blur(4px);
  border: none;
  color: var(--dark);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.22s var(--ease-out), background 0.2s;
}
.listing__media:hover .listing__arrow { opacity: 1; }
.listing__arrow:hover { background: var(--cream); }
.listing__arrow--prev { left: 10px; }
.listing__arrow--next { right: 10px; }

/* ── Dot indicators ── */
.listing__dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 5px;
  z-index: 5;
}
.listing__dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: rgba(247,245,240,0.4);
  transition: background 0.25s;
}
.listing__dot.is-active { background: rgba(247,245,240,0.9); }

.listing__badge {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--cream);
  color: var(--dark);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 6px 10px;
  z-index: 3;
  /* layer GPU proprio: evita lo sfarfallio su iOS durante il crossfade delle slide */
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.listing__info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 8px 0;
}
.listing__district {
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--greige);
}
.listing__title {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-top: 12px;
}
.listing__title em { font-style: italic; }
.listing__meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 24px;
  font-size: 0.875rem;
  color: var(--dark);
  line-height: 1.6;
}
.listing__meta span { color: var(--greige); margin-right: 6px; }
.listing__bottom {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-top: 24px;
  gap: 16px;
}
.listing__price {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 300;
  line-height: 1.2;
}
.listing__price em { font-style: italic; color: var(--greige); font-size: 0.7em; }
.listing__cta {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: gap 0.3s var(--ease-out);
}
.listing:hover .listing__cta { gap: 0.7em; }

/* ─── Map markers ─── */
.tcs-marker {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--dark);
  color: var(--cream);
  display: grid;
  place-items: center;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  border: 2px solid var(--cream);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  transition: transform 0.4s var(--ease-out), background 0.4s var(--ease-out);
  cursor: pointer;
}
.tcs-marker:hover, .tcs-marker.is-active {
  transform: scale(1.18);
  background: var(--cream);
  color: var(--dark);
  border-color: var(--dark);
}
.leaflet-marker-icon { background: transparent !important; border: none !important; }

/* Override Leaflet default styles for editorial feel */
.leaflet-control-attribution { font-size: 9px; opacity: 0.5; }
.leaflet-container { font-family: var(--font-body); }
.leaflet-control-zoom { border: none !important; box-shadow: none !important; }
.leaflet-control-zoom a {
  background: var(--cream) !important;
  color: var(--dark) !important;
  border: 1px solid var(--rule) !important;
  font-family: var(--font-display) !important;
  font-weight: 200 !important;
}
.leaflet-popup-content-wrapper {
  background: var(--cream) !important;
  border-radius: 2px !important;
  border: 1px solid var(--rule) !important;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08) !important;
}
.leaflet-popup-content {
  font-family: var(--font-body) !important;
  margin: 16px 18px !important;
  font-size: 0.875rem !important;
}
.leaflet-popup-content strong {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.125rem;
  display: block;
  margin-bottom: 4px;
}
.leaflet-popup-tip { background: var(--cream) !important; border: 1px solid var(--rule) !important; }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .col-hero__inner { grid-template-columns: 1fr; gap: 32px; }
  .split { grid-template-columns: 1fr; }
  /* M3: map-hidden su tablet/mobile → singola colonna, no 0fr bug */
  .split.map-hidden { grid-template-columns: 1fr; }
  .split__map-wrap {
    position: relative;
    top: 0;
    height: 480px;
    border-bottom: 1px solid var(--rule);
  }
  .split__map-wrap.is-hidden { display: none; }
  .split__list { border-left: none; }
  .split__list.is-hidden { display: none; }
  .filters__toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 10px 16px;
    border: 1px solid var(--dark);
    cursor: pointer;
  }
  .filters__groups { padding: 16px 0; }
}
@media (max-width: 768px) {
  .col-hero { padding: calc(var(--nav-h) + 48px) var(--pad-x) 48px; }
  .filters { flex-direction: column; gap: 0; padding: 0 var(--pad-x); }
  .filters__groups {
    overflow-x: auto; flex-wrap: nowrap; padding: 12px 0; gap: 0;
    /* fade sul bordo destro = segnala che si può scorrere */
    -webkit-mask-image: linear-gradient(to right, #000 82%, transparent 100%);
    mask-image: linear-gradient(to right, #000 82%, transparent 100%);
    scroll-snap-type: x proximity;
  }
  .filters__group { padding: 12px 16px 12px 0; flex-shrink: 0; scroll-snap-align: start; }
  .filters__group + .filters__group { padding-left: 16px; }
  .filters__right { border-top: 1px solid var(--rule); padding: 12px 0; }
  .listing { grid-template-columns: 1fr; }
  .listing__media { padding-bottom: 75%; min-height: 0; }
  .split__map-wrap { height: 380px; }
}