/* ==========================================================================
   case.css v2 — projects/<slug>.html proje vaka sayfalari
   Akis: hero -> kunye -> BUYUK SLIDER -> lede -> foto/metin donusumlu ->
   ozellikler (krem) -> koyu aurora bandi (teslimat+sonuc+ozet) ->
   kalan kareler -> onceki/sonraki -> benzer projeler.
   ========================================================================== */

/* === HERO === */
.cs-hero{position:relative;min-height:62vh;display:flex;align-items:flex-end;overflow:hidden;background:var(--navy)}
.cs-hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cs-hero::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(13,15,26,.94) 0%,rgba(13,15,26,.32) 48%,rgba(13,15,26,.22) 100%)}
.cs-hero-inner{position:relative;z-index:2;max-width:var(--max);margin:0 auto;width:100%;padding:9rem 4% 2.6rem}
.cs-crumb{font-size:.75rem;letter-spacing:.08em;color:rgba(255,255,255,.55);margin-bottom:1rem}
.cs-crumb a{color:rgba(255,255,255,.75)}
.cs-crumb a:hover{color:#fff}
.cs-hero h1{font-family:var(--fd);font-size:clamp(1.9rem,4vw,3.2rem);font-weight:700;line-height:1.12;color:#fff;max-width:920px}

/* === KUNYE BANDI (koyu, aurora) === */
.cs-facts{background:var(--navy);padding:0 4% 3rem;position:relative;overflow:hidden}
.cs-facts::before{content:'';position:absolute;top:-60%;right:-10%;width:50%;height:160%;background:radial-gradient(circle,rgba(122,61,158,.16),transparent 68%);pointer-events:none}
.cs-facts-inner{position:relative;max-width:var(--max);margin:0 auto;display:flex;flex-wrap:wrap;gap:2rem 3.2rem;border-top:1px solid rgba(255,255,255,.12);padding-top:2rem}
.cs-fact dt{font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.14em;color:var(--purple-soft);margin-bottom:.3rem}
.cs-fact dd{font-size:1rem;font-weight:600;color:#fff}

.cs-hero .sec-tag{color:var(--purple-soft);background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.2);margin-bottom:1.2rem}

/* === SLIDER: hero'nun devami, koyu zeminden acik zemine tasan === */
.cs-slider{position:relative;background:linear-gradient(to bottom,var(--navy) 0%,var(--navy) 55%,var(--white) 55%);padding:0 0 3.5rem}
.cs-track{display:flex;gap:1.1rem;overflow-x:auto;scroll-snap-type:x mandatory;padding:0 max(4%,calc((100% - var(--max))/2)) 1rem;scrollbar-width:none;cursor:grab}
.cs-track.tutuluyor{cursor:grabbing;scroll-snap-type:none;scroll-behavior:auto}
.cs-track.tutuluyor .cs-slide img{pointer-events:none}
.cs-track::-webkit-scrollbar{display:none}
.cs-slide{position:relative;flex:0 0 min(72%,900px);scroll-snap-align:center;border:none;padding:0;background:var(--stone);border-radius:16px;overflow:hidden;aspect-ratio:16/10;cursor:zoom-in;box-shadow:0 24px 60px rgba(13,15,26,.35)}
.cs-slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.cs-slide:hover img{transform:scale(1.03)}
/* Oklar gorsellerin USTUNDE durur: buyuk cam daireler, her zaman gorunur */
.cs-sbtn{position:absolute;top:38%;transform:translateY(-50%);z-index:5;width:54px;height:54px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(13,15,26,.55);backdrop-filter:blur(10px);color:#fff;font-size:1.25rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s var(--ease);box-shadow:0 10px 30px rgba(0,0,0,.35)}
.cs-sbtn:hover{background:var(--accent-gradient);border-color:transparent;transform:translateY(-50%) scale(1.06);box-shadow:0 14px 40px rgba(94,37,99,.45)}
#csPrev{left:max(1.2rem,calc((100% - var(--max))/2 - 27px))}
#csNext{right:max(1.2rem,calc((100% - var(--max))/2 - 27px))}
.cs-slider-nav{max-width:var(--max);margin:1.2rem auto 0;padding:0 4%;display:flex;justify-content:center}
.cs-scount{font-size:.8rem;color:var(--text-light);letter-spacing:.08em}

/* === LEDE: buyuk serif giris === */
.cs-lede{padding:4.5rem 4% 3rem}
.cs-lede-inner{max-width:900px;margin:0 auto}
.cs-lede p{font-family:var(--fd);font-size:clamp(1.25rem,2.2vw,1.7rem);line-height:1.55;color:var(--navy);font-weight:500}
.cs-lede p+p{margin-top:1.2rem}

/* === FOTO/METIN DONUSUMLU === */
.cs-split{padding:2rem 4%}
.cs-split-inner{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.cs-split+.cs-split .cs-split-inner{direction:rtl}
.cs-split+.cs-split .cs-split-inner>*{direction:ltr}
.cs-split h2{font-family:var(--fd);font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;margin-bottom:1rem}
.cs-split p{font-size:1rem;color:var(--text);line-height:1.85}
.cs-split p+p{margin-top:1rem}
.cs-split-img{border:none;padding:0;border-radius:16px;overflow:hidden;aspect-ratio:4/3;background:var(--stone);cursor:zoom-in;box-shadow:0 18px 50px rgba(58,18,64,.12)}
.cs-split-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.cs-split-img:hover img{transform:scale(1.04)}

/* === OZELLIKLER (krem bant) === */
.cs-feats{background:var(--cream);padding:4.5rem 4%;margin-top:3rem}
.cs-feats-inner{max-width:var(--max);margin:0 auto}
.cs-feats h2{font-family:var(--fd);font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;margin-bottom:1.6rem}
.cs-feats ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:.8rem 2.4rem}
.cs-feats li{font-size:.95rem;color:var(--text);line-height:1.7;padding-left:1.7rem;position:relative}
.cs-feats li::before{content:'';position:absolute;left:0;top:.42em;width:11px;height:11px;border-radius:3px;background:var(--accent-gradient);transform:rotate(45deg)}

/* === KOYU BANT: teslimat + sonuc + ozet karti === */
.cs-dark{background:var(--navy);color:#fff;padding:5rem 4%;position:relative;overflow:hidden}
.cs-dark::before{content:'';position:absolute;top:-30%;left:-8%;width:50%;height:85%;background:radial-gradient(circle,rgba(122,61,158,.17),transparent 68%);pointer-events:none}
.cs-dark::after{content:'';position:absolute;bottom:-35%;right:-8%;width:48%;height:85%;background:radial-gradient(circle,rgba(106,127,212,.1),transparent 68%);pointer-events:none}
.cs-dark-inner{position:relative;z-index:1;max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:minmax(0,1.4fr) 1fr;gap:4rem;align-items:start}
.cs-dark h2{font-family:var(--fd);font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;color:#fff;margin-bottom:1rem}
.cs-dark h2+p+h2, .cs-dark p+h2{margin-top:2.4rem}
.cs-dark p{font-size:1rem;color:rgba(255,255,255,.62);line-height:1.85}
.cs-side-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:1.9rem;backdrop-filter:blur(8px)}
.cs-side-card h3{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.14em;color:var(--purple-soft);margin-bottom:1.2rem}
.cs-side-card dl{display:flex;flex-direction:column;gap:.95rem}
.cs-side-card dt{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.45)}
.cs-side-card dd{font-size:.92rem;color:#fff;font-weight:500;margin-top:.15rem;line-height:1.55}
.cs-side-card .btn{width:100%;justify-content:center;margin-top:1.4rem}

/* === KALAN KARELER === */
.cs-more{padding:5rem 4% 4rem}
.cs-more-inner{max-width:var(--max);margin:0 auto}
.cs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.4rem}
.cs-shot{border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:var(--stone);cursor:zoom-in;border:none;padding:0;display:block;width:100%}
.cs-shot img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.cs-shot:hover img{transform:scale(1.04)}

/* === LIGHTBOX === */
.cs-lb{position:fixed;inset:0;z-index:300;background:rgba(10,8,18,.94);display:none;align-items:center;justify-content:center;padding:3rem 4%}
.cs-lb.on{display:flex}
.cs-lb img{max-width:100%;max-height:100%;border-radius:8px;box-shadow:0 30px 90px rgba(0,0,0,.6)}
.cs-lb-close,.cs-lb-prev,.cs-lb-next{position:absolute;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff;width:46px;height:46px;border-radius:50%;font-size:1.15rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .3s}
.cs-lb-close:hover,.cs-lb-prev:hover,.cs-lb-next:hover{background:rgba(255,255,255,.18)}
.cs-lb-close{top:1.4rem;right:1.6rem}
.cs-lb-prev{left:1.6rem;top:50%;transform:translateY(-50%)}
.cs-lb-next{right:1.6rem;top:50%;transform:translateY(-50%)}

/* === ONCEKI/SONRAKI + BENZER === */
.cs-nav{padding:0 4% 4rem}
.cs-nav-inner{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.cs-nav a{border:1px solid var(--border);border-radius:14px;padding:1.5rem 1.7rem;transition:all .35s var(--ease);background:var(--white)}
.cs-nav a:hover{border-color:transparent;background:linear-gradient(var(--white),var(--white)) padding-box,var(--accent-gradient) border-box;transform:translateY(-3px);box-shadow:0 12px 34px rgba(58,18,64,.1)}
.cs-nav .yon{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.13em;color:var(--plum);display:block;margin-bottom:.4rem}
.cs-nav .ad{font-family:var(--fd);font-size:1.15rem;font-weight:700;color:var(--navy);line-height:1.3}
.cs-nav .ileri{text-align:right}
.cs-rel{padding:0 4% 6rem}
.cs-rel-inner{max-width:var(--max);margin:0 auto}
.cs-rel h2{font-family:var(--fd);font-size:1.7rem;font-weight:700;margin-bottom:1.6rem}
.cs-rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.cs-rel-card{border-radius:14px;overflow:hidden;position:relative;aspect-ratio:16/11;background:var(--navy);display:block}
.cs-rel-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.cs-rel-card:hover img{transform:scale(1.05)}
.cs-rel-card figcaption{position:absolute;inset:auto 0 0 0;padding:2.2rem 1.2rem 1rem;background:linear-gradient(to top,rgba(13,15,26,.9),transparent);color:#fff}
.cs-rel-card h4{font-family:var(--fd);font-size:1.05rem;font-weight:600}
.cs-rel-card span{font-size:.72rem;color:rgba(255,255,255,.65);text-transform:uppercase;letter-spacing:.07em}

/* === RESPONSIVE === */
@media(max-width:1024px){
  .cs-hero{min-height:50vh}
  .cs-slide{flex-basis:86%}
  .cs-split-inner{grid-template-columns:1fr;gap:1.8rem}
  .cs-split+.cs-split .cs-split-inner{direction:ltr}
  .cs-dark-inner{grid-template-columns:1fr;gap:2.5rem}
  .cs-feats ul{grid-template-columns:1fr}
  .cs-grid{grid-template-columns:1fr 1fr}
  .cs-rel-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .cs-grid{grid-template-columns:1fr}
  .cs-nav-inner{grid-template-columns:1fr}
  .cs-facts-inner{gap:1.4rem 2rem}
}

/* Proje filmi slaydi: diger karelerle birebir ayni gorunum, tek fark
   ana sayfadaki standart yuvarlak oynat dugmesi. Tiklaninca popup. */
.cs-video-badge{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;width:68px;height:68px;border-radius:50%;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 32px rgba(0,0,0,.25);transition:all .4s var(--ease);color:var(--plum)}
.cs-video-badge svg{width:22px;height:22px;margin-left:3px}
.cs-slide-video:hover .cs-video-badge{transform:translate(-50%,-50%) scale(1.1);background:#fff}