/* =====================================================
   LENZ CODER — Project Page CSS
   Stili specifici per le pagine singolo progetto
   ===================================================== */

/* ===== PROJECT BACK BUTTON ===== */

/* ===== PROJECT MAIN ===== */
/* ===== PROJECT HERO BANNER ===== */
.project-hero-banner {
  position: relative;
  width: 100%;
  margin-top: var(--nav-h);
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.project-banner-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.project-banner-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 8rem 0 3rem;
  background: linear-gradient(to bottom, transparent 0%, var(--bg) 100%);
}

.project-banner-content {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.project-banner-content .project-number {
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.2s forwards;
}

.project-banner-content .project-hero-title {
  font-size: clamp(1.4rem, 3.5vw, 3rem);
  margin-bottom: 0;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.35s forwards;
}

.project-main {
  padding-top: 3rem;
  padding-bottom: 6rem;
}

.project-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* ===== PROJECT HEADER ===== */
.project-header {
  margin-bottom: 5rem;
  opacity: 1;
  animation: none;
}

.project-number {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.project-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 7rem);
  font-weight: 500;
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 2.5rem;
}

.project-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem 4rem;
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}

.project-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.project-meta-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.project-meta-value {
  font-size: 0.95rem;
  color: var(--text);
}

/* ===== PROJECT DESCRIPTION ===== */
.project-description {
  max-width: 720px;
  margin-bottom: 5rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.4s forwards;
}

.project-description p {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.75;
  color: var(--text-muted);
}

.project-description p + p {
  margin-top: 1.25rem;
}

.project-credits {
  font-size: clamp(0.78rem, 1.1vw, 0.95rem);
  color: var(--text-dim);
}

/* ===== MEDIA SECTIONS ===== */
.project-section {
  margin-bottom: 5rem;
}

.project-section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  display: block;
}

/* ===== PHOTO GALLERY ===== */
.project-gallery {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.gallery-row {
  display: grid;
  gap: 1.5rem;
}

.gallery-row.single   { grid-template-columns: 1fr; }
.gallery-row.double   { grid-template-columns: 1fr 1fr; }
.gallery-row.triple   { grid-template-columns: 1fr 1fr 1fr; }
.gallery-row.featured { grid-template-columns: 2fr 1fr; }
.gallery-row.featured-r { grid-template-columns: 1fr 2fr; }

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background: var(--bg-2);
  aspect-ratio: 16/10;
}

.gallery-item.portrait  { aspect-ratio: 3/4; }
.gallery-item.square    { aspect-ratio: 1/1; }
.gallery-item.wide      { aspect-ratio: 21/9; }
.gallery-item.auto      { aspect-ratio: auto; }
.gallery-item.reel      { aspect-ratio: 9/16; }

.gallery-item img,
.gallery-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease-out);
}

.gallery-item.photo-box {
  aspect-ratio: 1/1;
  background: var(--bg-2);
}

.gallery-item.photo-box--wide {
  aspect-ratio: 4/3;
  background: var(--bg-2);
}

.gallery-item.photo-box--portrait {
  aspect-ratio: 9/16;
  background: var(--bg-2);
}

.gallery-item.photo-box img,
.gallery-item.photo-box--wide img,
.gallery-item.photo-box--portrait img {
  object-fit: cover;
  object-position: center;
}

.gallery-item:hover img,
.gallery-item:hover video {
  transform: scale(1.03);
}

/* Placeholder quando non c'è ancora l'immagine */
.gallery-item .img-placeholder {
  width: 100%;
  height: 100%;
  background: var(--bg-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.gallery-caption {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.6rem;
  letter-spacing: 0.05em;
}

/* ===== VIDEO SECTION ===== */
.project-video-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background: #000;
  aspect-ratio: 16/9;
}

.project-video-wrap.portrait { aspect-ratio: 9/16; max-width: 500px; }

.project-video-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Embed YouTube / Vimeo */
.project-video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Placeholder video quando non è ancora disponibile */
.video-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--text-dim);
}

.video-placeholder-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-placeholder-icon svg {
  width: 20px;
  height: 20px;
  fill: var(--text-dim);
  margin-left: 3px;
}

.video-placeholder p {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== PROJECT NAVIGATION ===== */
.project-nav {
  border-top: 1px solid var(--border);
  padding-top: 3rem;
  margin-top: 5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.project-nav > .project-number {
  text-align: center;
  margin-bottom: 0;
}

.proj-nav-arrows {
  display: flex;
  gap: 1.5rem;
}

.proj-nav-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color var(--t-s), background var(--t-s), transform var(--t-s);
}

.proj-nav-btn:hover {
  border-color: var(--accent);
  background: rgba(250, 111, 30, 0.08);
  transform: scale(1.1);
}

.proj-nav-btn svg {
  width: 20px;
  height: 20px;
  stroke: var(--text-muted);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--t-s);
}

.proj-nav-btn:hover svg { stroke: var(--accent); }

.proj-nav-btn.disabled {
  opacity: 0.2;
  pointer-events: none;
  cursor: default;
}

/* ===== CUSTOM VIDEO PLAYER ===== */
.video-player-item { cursor: pointer; }

/* Bottone play/pausa centrato */
.video-play-btn {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: opacity 0.4s var(--ease-out);
}

.play-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color var(--t-s), background var(--t-s), transform var(--t-s);
}

.play-circle svg {
  width: 18px;
  height: 18px;
  fill: #fff;
  margin-left: 3px;
}

.video-play-btn:hover .play-circle {
  border-color: var(--accent);
  background: rgba(250, 111, 30, 0.18);
  transform: scale(1.08);
}

/* Swap icone play/pausa */
.icon-pause { display: none; }
.video-player-item.is-playing .icon-play  { display: none; }
.video-player-item.is-playing .icon-pause { display: block; }

/* Nascondi controlli quando in play (dopo 2s) */
.video-player-item.is-playing.controls-hidden .video-play-btn,
.video-player-item.is-playing.controls-hidden .video-controls-bar {
  opacity: 0;
  pointer-events: none;
}
.video-player-item.is-playing:hover .video-play-btn,
.video-player-item.is-playing:hover .video-controls-bar {
  opacity: 1;
  pointer-events: auto;
}

/* ===== VIDEO CONTROLS BAR ===== */
.video-controls-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 3;
  padding-bottom: 0.65rem;
  background: linear-gradient(to top, rgba(0,0,0,0.72) 0%, transparent 100%);
  transition: opacity 0.4s var(--ease-out);
}

/* Barra avanzamento */
.video-progress-wrap {
  position: relative;
  height: 5px;
  background: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  margin-bottom: 0.55rem;
  transition: height 0.2s var(--ease-out);
}
.video-progress-wrap:hover { height: 9px; }

.video-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--accent);
  pointer-events: none;
}

.video-progress-thumb {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--accent);
  pointer-events: none;
  transition: transform 0.2s var(--ease-out);
}
.video-progress-wrap:hover .video-progress-thumb { transform: translate(-50%, -50%) scale(1); }

/* Riga controlli */
.video-controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0.6rem;
}

.video-ctrl-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--t-s);
  flex-shrink: 0;
}
.video-ctrl-btn:hover { color: var(--accent); }
.video-ctrl-btn svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Volume */
.video-volume {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.video-volume-slider-wrap {
  width: 0;
  overflow: hidden;
  transition: width 0.25s var(--ease-out);
}
.video-volume:hover .video-volume-slider-wrap { width: 60px; }

.video-volume-slider-track {
  position: relative;
  height: 3px;
  width: 60px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  cursor: pointer;
}

.video-volume-slider-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  pointer-events: none;
}

.video-volume-slider-thumb {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  pointer-events: none;
}

/* Fullscreen: video letterboxed, niente crop */
.video-player-item:fullscreen,
.video-player-item:-webkit-full-screen {
  background: #000;
}
.video-player-item:fullscreen video,
.video-player-item:-webkit-full-screen video,
.video-player-item.is-fullscreen video {
  object-fit: contain;
}

/* Swap icone volume / fullscreen */
.icon-vol-off  { display: none; }
.icon-compress { display: none; }
.video-player-item.is-muted      .icon-vol-on   { display: none; }
.video-player-item.is-muted      .icon-vol-off  { display: block; }
.video-player-item.is-fullscreen .icon-expand   { display: none; }
.video-player-item.is-fullscreen .icon-compress { display: block; }

/* ===== GALLERY — extra layouts & ratios ===== */
.gallery-row.quad { grid-template-columns: repeat(4, 1fr); }

.gallery-item.ratio-169 { aspect-ratio: 16/9; }
.gallery-item.ratio-54  { aspect-ratio: 5/4; }
.gallery-item.ratio-45  { aspect-ratio: 4/5; }

/* ===== GALLERY — YouTube embed ===== */
.gallery-yt-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius, 8px);
  overflow: hidden;
  background: #000;
}

.gallery-yt-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* ===== GALLERY — overflow fix ===== */
.project-gallery {
  overflow: hidden;
}

.gallery-row {
  min-width: 0;
}

.gallery-item {
  min-width: 0;
  overflow: hidden;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .gallery-row.triple     { grid-template-columns: 1fr 1fr; }
  .gallery-row.featured   { grid-template-columns: 1fr 1fr; }
  .gallery-row.featured-r { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .project-back {
    position: static;
    display: inline-flex;
    margin-bottom: 2rem;
    animation: none;
    opacity: 1;
  }

  .project-main {
    padding-top: calc(var(--nav-h) + 2rem);
  }

  .gallery-row.double,
  .gallery-row.triple,
  .gallery-row.featured,
  .gallery-row.featured-r {
    grid-template-columns: 1fr;
  }

  .gallery-row.quad { grid-template-columns: 1fr 1fr; }

  .proj-nav-btn {
    width: 48px;
    height: 48px;
  }
}