/* Pagina Progetti: galleria sfogliabile e indice, fuori da Elementor. */

.prj {
  --prj-bg: #f5f5f5;
  --prj-card: #ffffff;
  --prj-text: #262626;
  --prj-muted: #737373;
  --prj-line: rgba(38, 38, 38, 0.12);
  --prj-accent: #8c0c0c;
  --prj-radius: 24px;
  --prj-shell: min(1320px, calc(100vw - 32px));
  --prj-gutter: calc((100vw - var(--prj-shell)) / 2);

  color: var(--prj-text);
  font-family: Inter, sans-serif;
  padding-bottom: clamp(64px, 10vw, 140px);
  overflow: hidden;
}

body[data-theme="dark"] .prj {
  --prj-bg: #232323;
  --prj-card: #2b2b2b;
  --prj-text: #f2f2f2;
  --prj-muted: #a3a3a3;
  --prj-line: rgba(255, 255, 255, 0.12);
  --prj-accent: #e05252;
}

.prj__shell {
  width: var(--prj-shell);
  margin: 0 auto;
}

.prj h1,
.prj h2,
.prj h3 {
  font-family: Poppins, sans-serif;
  font-weight: 700;
  color: var(--prj-text);
  margin: 0;
}

.prj__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--prj-muted);
}

.prj__eyebrow::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--prj-accent);
}

/* ------------------------------------------------------------ testata */

.prj-head {
  padding: clamp(48px, 8vw, 110px) 0 clamp(32px, 4vw, 56px);
}

.prj-head__title {
  font-size: clamp(40px, 7vw, 96px);
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.prj-head__title span {
  color: var(--prj-accent);
}

.prj-head__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: end;
  gap: 24px 48px;
  margin-top: clamp(24px, 3vw, 40px);
}

.prj-head__lead {
  margin: 0;
  max-width: 44ch;
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.55;
  color: var(--prj-muted);
}

.prj-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.prj-filters button {
  padding: 10px 18px;
  border: 1px solid var(--prj-line);
  border-radius: 999px;
  background: transparent;
  color: var(--prj-text);
  font: 500 15px/1 Inter, sans-serif;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.prj-filters button span {
  margin-left: 6px;
  font-size: 12px;
  color: var(--prj-muted);
  transition: color 0.25s ease;
}

.prj-filters button:hover {
  border-color: var(--prj-text);
}

.prj-filters button[aria-pressed="true"] {
  background: var(--prj-text);
  border-color: var(--prj-text);
  color: var(--prj-bg);
}

.prj-filters button[aria-pressed="true"] span {
  color: inherit;
  opacity: 0.6;
}

/* ------------------------------------------------------------ galleria */

.prj-gallery {
  position: relative;
}

.prj-track {
  position: relative;
  display: flex;
  gap: clamp(14px, 1.6vw, 24px);
  padding: 8px var(--prj-gutter) 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--prj-gutter);
  scrollbar-width: none;
  cursor: grab;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
}

.prj-track::-webkit-scrollbar {
  display: none;
}

.prj-track.is-dragging {
  cursor: grabbing;
  scroll-snap-type: none;
  scroll-behavior: auto;
}

.prj-track.is-dragging a {
  pointer-events: none;
}

.prj-slide {
  flex: 0 0 clamp(210px, 19vw, 290px);
  scroll-snap-align: start;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.prj-slide[hidden] {
  display: none;
}

.prj-slide a {
  display: block;
  color: inherit;
  text-decoration: none;
}

.prj-slide__media {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--prj-radius);
  overflow: hidden;
  background: var(--prj-card);
}

.prj-slide__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.001);
  transition: transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1);
  -webkit-user-drag: none;
  user-select: none;
}

.prj-slide__open {
  position: absolute;
  left: 18px;
  bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid rgba(28, 28, 28, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  box-shadow: 0 6px 18px -8px rgba(0, 0, 0, 0.25);
  color: #1c1c1c;
  font-size: 14px;
  font-weight: 600;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.prj-slide__open svg {
  width: 16px;
  height: 16px;
}

.prj-slide a:hover .prj-slide__media img,
.prj-slide a:focus-visible .prj-slide__media img {
  transform: scale(1.05);
}

.prj-slide a:hover .prj-slide__open,
.prj-slide a:focus-visible .prj-slide__open {
  opacity: 1;
  transform: none;
}

.prj-slide__meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 14px 2px 0;
}

.prj-slide__title {
  font-size: clamp(18px, 1.3vw, 20px);
  letter-spacing: -0.01em;
}

.prj-slide__num {
  font-family: Poppins, sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--prj-muted);
}

.prj-slide__cat {
  margin: 4px 2px 0;
  font-size: 14px;
  color: var(--prj-muted);
}

/* comandi della galleria */
.prj-controls {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 16px;
}

.prj-progress {
  position: relative;
  flex: 1;
  height: 2px;
  background: var(--prj-line);
  border-radius: 2px;
  overflow: hidden;
}

.prj-progress span {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: var(--prj-text);
  border-radius: 2px;
  transition: width 0.25s ease;
}

.prj-count {
  font-family: Poppins, sans-serif;
  font-size: 15px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--prj-muted);
  min-width: 64px;
  text-align: center;
}

.prj-count b {
  color: var(--prj-text);
}

.prj-arrows {
  display: flex;
  gap: 8px;
}

.prj-arrows button {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1px solid var(--prj-line);
  border-radius: 50%;
  background: transparent;
  color: var(--prj-text);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, opacity 0.25s ease;
}

.prj-arrows button svg {
  width: 20px;
  height: 20px;
}

.prj-arrows button:hover:not(:disabled) {
  background: var(--prj-text);
  border-color: var(--prj-text);
  color: var(--prj-bg);
}

.prj-arrows button:disabled {
  opacity: 0.35;
  cursor: default;
}

/* ------------------------------------------------------------ indice */

.prj-index {
  padding-top: clamp(80px, 11vw, 150px);
}

.prj-index__head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.prj-index__head h2 {
  font-size: clamp(32px, 4.4vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.prj-index__head p {
  margin: 0;
  color: var(--prj-muted);
  font-size: 16px;
}

/* Indice a tendina: si vede il primo progetto, al passaggio del mouse si apre tutto. */
.prj-index.is-collapsible .prj-drawer {
  max-height: var(--prj-peek, 200px);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to bottom, #000 calc(100% - 56px), transparent);
  mask-image: linear-gradient(to bottom, #000 calc(100% - 56px), transparent);
  transition: max-height 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.prj-index.is-collapsible .prj-drawer:hover,
.prj-index.is-collapsible .prj-drawer:focus-within {
  max-height: var(--prj-full, 2000px);
  -webkit-mask-image: none;
  mask-image: none;
}

@media (prefers-reduced-motion: reduce) {
  .prj-index.is-collapsible .prj-drawer {
    transition: none;
  }
}

.prj-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--prj-line);
}

.prj-row a {
  display: grid;
  grid-template-columns: 64px minmax(0, 1.2fr) minmax(0, 1fr) 40px;
  align-items: center;
  gap: 16px;
  padding: 26px 4px;
  border-bottom: 1px solid var(--prj-line);
  color: var(--prj-text);
  text-decoration: none;
  transition: padding 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), color 0.25s ease;
}

.prj-row__num {
  font-family: Poppins, sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--prj-muted);
}

.prj-row__name {
  font-family: Poppins, sans-serif;
  font-size: clamp(22px, 2.4vw, 34px);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.prj-row__cat {
  font-size: 15px;
  color: var(--prj-muted);
}

.prj-row__arrow {
  justify-self: end;
  width: 22px;
  height: 22px;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), color 0.25s ease;
}

.prj-row a:hover {
  padding-left: 18px;
  padding-right: 0;
}

.prj-row a:hover .prj-row__name,
.prj-row a:hover .prj-row__arrow {
  color: var(--prj-accent);
}

.prj-row a:hover .prj-row__arrow {
  transform: rotate(-45deg);
}

/* anteprima che segue il cursore */
.prj-preview {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  width: 200px;
  aspect-ratio: 1 / 1;
  border-radius: 18px;
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
  transform: translate3d(var(--px, 0), var(--py, 0), 0) scale(0.85) rotate(-4deg);
  transition: opacity 0.3s ease, transform 0.45s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.35);
}

.prj-preview.is-on {
  opacity: 1;
  transform: translate3d(var(--px, 0), var(--py, 0), 0) scale(1) rotate(-4deg);
}

.prj-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ------------------------------------------------------------ comparsa */

.prj-js .prj-reveal {
  opacity: 0;
  translate: 0 24px;
  transition: opacity 0.7s ease, translate 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.prj-js .prj-reveal.is-in {
  opacity: 1;
  translate: 0 0;
}

@media (prefers-reduced-motion: reduce) {
  .prj-reveal {
    opacity: 1;
    translate: none;
    transition: none;
  }
  .prj-slide__media img,
  .prj-row a,
  .prj-preview {
    transition: none;
  }
}

@media (hover: none) {
  .prj-slide__open {
    opacity: 1;
    transform: none;
  }
  .prj-preview {
    display: none;
  }
}

/* ------------------------------------------------------------ responsive */

@media (max-width: 800px) {
  .prj-row a {
    grid-template-columns: 40px minmax(0, 1fr) 24px;
  }
  .prj-row__cat {
    display: none;
  }
  .prj-index__head {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .prj-slide {
    flex-basis: 62vw;
  }
  .prj-arrows {
    display: none;
  }
}