/* ─────────────────────────────────────────────────────────────────────────
   PROJECT DETAIL PAGE — project.css
   ───────────────────────────────────────────────────────────────────────── */

/* ── Hero ── */
.proj-hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  /* Hero arka planı body ile aynı bg değişkenini taşır; tema geçişinde
     overlay'in altıyla page bg'si tek katman gibi yumuşakça geçiş yapar. */
  background: var(--bg);
}

.proj-hero-img {
  position: absolute;
  inset: 0;
}

.proj-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.04);
  transition: transform 8s ease-out;
  /* Görüntü, alt kenarda yumuşakça soluyor.
     Mask iki katmanlı bir geçişin yarısı; overlay (bkz. .proj-hero-overlay)
     ile birlikte single-source-of-truth: en altta SOLID var(--bg) ile
     mühürleniyor → bir sonraki section ile dikişsiz birleşim. */
  -webkit-mask-image: linear-gradient(to bottom,
    #000 0%, #000 65%,
    rgba(0,0,0,.7) 82%,
    rgba(0,0,0,.25) 94%,
    transparent 100%);
          mask-image: linear-gradient(to bottom,
    #000 0%, #000 65%,
    rgba(0,0,0,.7) 82%,
    rgba(0,0,0,.25) 94%,
    transparent 100%);
}
.proj-cover-img.loaded { transform: scale(1); }

/* Overlay — üstte hafif koyulaşma, altta SOLID var(--bg)'ye kapanır.
   Önemli: en alt stop transparent OLMAMALI; aksi halde 92%'deki tepe
   koyulaşmadan sonra alt kenarda ani bir "açılma bandı" oluşur ve
   sonraki section ile arasında görünür seam meydana gelir. */
.proj-hero-overlay {
  position: absolute;
  inset: 0;
  /* İki katmanlı overlay:
     1) Alt yarıyı belirgin koyulaştır → açık tonlu hero görsellerinde
        (Crea, gulet/interior vb.) başlık & breadcrumb okunaklı kalır
     2) En altta SOLID var(--bg) → bir sonraki section ile dikişsiz birleşim */
  background: linear-gradient(
    to bottom,
    rgba(10,10,11,.15) 0%,
    rgba(10,10,11,.20) 30%,
    rgba(10,10,11,.55) 55%,
    rgba(10,10,11,.80) 75%,
    color-mix(in srgb, var(--bg) 95%, transparent) 92%,
    var(--bg) 100%
  );
}

.proj-hero-content {
  position: relative;
  z-index: 2;
  padding: 0 80px 80px;
  max-width: 900px;
}

.proj-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.proj-breadcrumb a { color: var(--text-muted); text-decoration: none; transition: color .2s; }
.proj-breadcrumb a:hover { color: var(--accent); }
.proj-breadcrumb span:not(:last-child) { opacity: .5; }

.proj-badge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.proj-badge {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid var(--accent);
  border-radius: 20px;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
}
.proj-badge-year {
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--text-muted);
}

.proj-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--white);
  margin: 0 0 24px;
}

.proj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.proj-tags span {
  padding: 5px 14px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 20px;
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
  backdrop-filter: blur(8px);
}

.proj-scroll-hint {
  position: absolute;
  bottom: 32px;
  right: 80px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.proj-scroll-hint span {
  font-size: .62rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-muted);
  writing-mode: vertical-rl;
}
.proj-scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%,100% { opacity: .4; transform: scaleY(1); }
  50%      { opacity: 1;  transform: scaleY(1.1); }
}

/* ── Sections ── */
.proj-section { padding: 100px 0; }
.proj-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 80px;
}

/* Overview */
.proj-overview {
  max-width: 800px;
  margin: 0 auto 64px;
  text-align: center;
}
.proj-overview-label {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.proj-overview-text {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text);
  opacity: .88;
}
.proj-overview-text strong { color: var(--white); font-weight: 600; }

/* Stats */
.proj-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  overflow: hidden;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-sm);
}
.proj-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 24px;
  border-right: 1px solid var(--glass-border);
  text-align: center;
}
.proj-stat:last-child { border-right: none; }
.proj-stat-num {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.proj-stat-label {
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ── Gallery ── */
.proj-gallery { padding: 0 0 100px; }
.gallery-row {
  display: grid;
  gap: 12px;
  margin-bottom: 12px;
}
.gallery-full { grid-template-columns: 1fr; }
.gallery-half { grid-template-columns: 1fr 1fr; }

.gallery-item {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: #111;
  aspect-ratio: 16/9;
}
.gallery-item.gallery-bg-light { background: #e8e8e8; }
.gallery-item.gallery-bg-dark  { background: #050505; }
.gallery-full .gallery-item { aspect-ratio: 21/9; }

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s var(--ease-out-expo);
}
.gallery-item:hover img { transform: scale(1.03); }

.gallery-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 12px 18px;
  background: linear-gradient(transparent, rgba(0,0,0,.55));
  font-size: .65rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
}
.gallery-caption-dark {
  background: linear-gradient(transparent, rgba(0,0,0,.25));
  color: rgba(0,0,0,.65);
}

/* ── Features ── */
.proj-features-section { background: var(--bg2); }
.proj-section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 52px;
  text-align: center;
}
.proj-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.proj-feature {
  padding: 36px;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-sm);
  transition: border-color .3s, background .3s;
}
.proj-feature:hover {
  border-color: var(--glass-border-hi);
  background: var(--glass-bg-hover);
}
.proj-feature-icon {
  font-size: 1.6rem;
  margin-bottom: 16px;
}
.proj-feature h4 {
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--white);
  margin-bottom: 10px;
  text-transform: uppercase;
}
.proj-feature p {
  font-size: .85rem;
  line-height: 1.75;
  color: var(--text-muted);
}

/* ── Back ── */
.proj-back-section { padding: 80px 0; text-align: center; }
/* Liquid Glass — site genelindeki .btn-ghost ile aynı dil */
.proj-back-btn {
  position: relative;
  display: inline-block;
  padding: 14px 36px;
  border: 0;
  border-radius: 100px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
  background: rgba(255,255,255,.05);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  isolation: isolate;
  transition:
    transform .35s var(--ease-out-expo),
    background .35s var(--ease-out-expo),
    color .3s ease,
    box-shadow .35s var(--ease-out-expo);
  box-shadow:
    0 8px 28px rgba(0,0,0,.28),
    0 2px 6px rgba(0,0,0,.12),
    inset 3px 3px 0.5px -3px rgba(255,255,255,.85),
    inset -3px -3px 0.5px -3px rgba(255,255,255,.65),
    inset 1px 1px 1px -0.5px rgba(255,255,255,.6),
    inset -1px -1px 1px -0.5px rgba(255,255,255,.4),
    inset 0 0 6px 6px rgba(255,255,255,.06),
    inset 0 0 0 1px rgba(255,255,255,.08);
}
.proj-back-btn::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255,255,255,.10) 0%, rgba(255,255,255,0) 60%);
  pointer-events: none;
}
.proj-back-btn:hover {
  color: var(--accent);
  transform: translateY(-2px);
  background: rgba(201,169,110,.08);
  box-shadow:
    0 14px 36px rgba(0,0,0,.34),
    0 4px 10px rgba(0,0,0,.16),
    inset 3px 3px 0.5px -3px rgba(255,235,180,.95),
    inset -3px -3px 0.5px -3px rgba(255,235,180,.7),
    inset 1px 1px 1px -0.5px rgba(255,235,180,.6),
    inset -1px -1px 1px -0.5px rgba(255,235,180,.4),
    inset 0 0 6px 6px rgba(201,169,110,.10),
    inset 0 0 0 1px rgba(201,169,110,.32);
}
body.light .proj-back-btn {
  color: #1a1a1a;
  background: rgba(255,255,255,.55);
  box-shadow:
    0 8px 28px rgba(0,0,0,.10),
    0 2px 6px rgba(0,0,0,.06),
    inset 3px 3px 0.5px -3px rgba(0,0,0,.20),
    inset -3px -3px 0.5px -3px rgba(0,0,0,.14),
    inset 1px 1px 1px -0.5px rgba(0,0,0,.10),
    inset -1px -1px 1px -0.5px rgba(0,0,0,.07),
    inset 0 0 6px 6px rgba(0,0,0,.03),
    inset 0 0 0 1px rgba(0,0,0,.06);
}

/* ── Lightbox ── */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity .3s;
  backdrop-filter: blur(8px);
}
.lightbox-overlay.active { opacity: 1; }
.lightbox-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}
.lightbox-inner img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 12px;
  display: block;
  transform: scale(.96);
  transition: transform .35s var(--ease-out-expo);
}
.lightbox-overlay.active .lightbox-inner img { transform: scale(1); }
.lightbox-close {
  position: absolute;
  top: -16px;
  right: -16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(0,0,0,.6);
  color: #fff;
  font-size: .9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s;
}
.lightbox-close:hover { background: rgba(255,255,255,.15); }

/* ── Reveal animation on this page ── */
.reveal-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .8s var(--ease-out-expo), transform .8s var(--ease-out-expo);
}
.reveal-up.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ── Light mode overrides ── */
body.light .proj-hero-overlay {
  /* Light mode'da başlık siyah → alt yarıyı krem'e doğru güçlü fade.
     Böylece koyu metin açık zemin üzerinde net okunur. */
  background: linear-gradient(
    to bottom,
    rgba(240,237,232,.15) 0%,
    rgba(240,237,232,.25) 35%,
    rgba(240,237,232,.65) 60%,
    rgba(240,237,232,.88) 80%,
    color-mix(in srgb, var(--bg) 96%, transparent) 94%,
    var(--bg) 100%
  );
}
body.light .proj-title { color: var(--text); }
body.light .proj-tags span { border-color: rgba(0,0,0,.15); color: rgba(0,0,0,.65); }
body.light .gallery-caption { color: rgba(0,0,0,.6); background: linear-gradient(transparent, rgba(255,255,255,.6)); }
body.light .proj-feature p { color: var(--text-muted); }

/* ─────────────────────────────────────────────────────────────────
   PROJECT PAGE FIXES: cursor + nav readability over hero image
   ───────────────────────────────────────────────────────────────── */
/* This page has no custom-cursor JS, so restore the native system cursor */
html, body { cursor: auto; }
a, button, .theme-toggle, .lightbox-close { cursor: pointer; }
.gallery-item img { cursor: zoom-in; }

/* Soft gradient behind nav over bright hero so links/buttons stay readable */
.proj-hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 160px;
  background: linear-gradient(to bottom, rgba(10,10,11,.55), rgba(10,10,11,0));
  z-index: 1;
  pointer-events: none;
}

/* Nav text colors tuned for the hero hero image (transparent nav state) */
#nav:not(.scrolled) .nav-links a,
#nav:not(.scrolled) .theme-toggle {
  color: rgba(255,255,255,.92);
  text-shadow: 0 1px 6px rgba(0,0,0,.5);
}
#nav:not(.scrolled) .nav-links a:hover { color: var(--accent); }
#nav:not(.scrolled) .nav-logo img { filter: drop-shadow(0 1px 6px rgba(0,0,0,.55)); }

/* Hero intro text needs stronger contrast over imagery */
.proj-breadcrumb,
.proj-breadcrumb a { color: rgba(255,255,255,.8); }
.proj-breadcrumb a:hover { color: var(--accent); }
.proj-badge-year { color: rgba(255,255,255,.82); }
.proj-hero-content .proj-title,
.proj-hero-content .proj-breadcrumb,
.proj-hero-content .proj-badge-row { text-shadow: 0 2px 12px rgba(0,0,0,.55); }
.proj-scroll-hint { text-shadow: 0 1px 6px rgba(0,0,0,.5); }

/* Light-mode variants — hero bottom fades to cream, so flip text to dark */
body.light .proj-hero::before {
  background: linear-gradient(to bottom, rgba(240,237,232,.7), rgba(240,237,232,0));
}
body.light #nav:not(.scrolled) .nav-links a,
body.light #nav:not(.scrolled) .theme-toggle {
  color: #1a1a1a;
  text-shadow: 0 1px 4px rgba(255,255,255,.6);
}
body.light .proj-breadcrumb,
body.light .proj-breadcrumb a,
body.light .proj-badge-year { color: #1a1a1a; text-shadow: 0 1px 4px rgba(255,255,255,.6); }
body.light .proj-hero-content .proj-title,
body.light .proj-hero-content .proj-breadcrumb,
body.light .proj-hero-content .proj-badge-row,
body.light .proj-scroll-hint { text-shadow: 0 1px 6px rgba(255,255,255,.55); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .proj-hero-content { padding: 0 32px 72px; }
  .proj-scroll-hint { display: none; }
  .proj-container { padding: 0 24px; }
  .proj-section { padding: 64px 0; }
  .proj-stats { grid-template-columns: repeat(2,1fr); }
  .proj-stat:nth-child(2) { border-right: none; }
  .proj-features { grid-template-columns: 1fr; }
  .gallery-half { grid-template-columns: 1fr; }
  .gallery-item { aspect-ratio: 4/3; }
  .gallery-full .gallery-item { aspect-ratio: 16/9; }
}
@media (max-width: 600px) {
  .proj-hero-content { padding: 0 20px 60px; }
  .proj-title { font-size: 2rem; }
  .proj-stats { grid-template-columns: repeat(2,1fr); }
  .proj-overview-text { font-size: .92rem; }
  .proj-stat-num { font-size: 1.8rem; }
  .nav-inner { padding: 0 20px; }
  /* project page nav — reuse site mobile styles */
  .nav-links { display: none; }
}