:root{
  --bg:#0e1116;
  --bg-soft:#141922;
  --card:#181e28;
  --card-border:#242b38;
  --accent:#f7941d;
  --accent-2:#ff7a1a;
  --text:#f4f5f7;
  --text-muted:#9aa3b2;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.55;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.container{max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:600;
  border:none;cursor:pointer;font-size:15px;transition:transform .15s ease, opacity .15s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#1a1204;}
.btn-outline{background:transparent;border:1.5px solid var(--card-border);color:var(--text);}
.btn-outline-pill{border:1.5px solid var(--accent);color:var(--accent);border-radius:999px;padding:10px 22px;}
.btn-outline-pill:hover{background:var(--accent);color:#1a1204;}
.btn-sm{padding:8px 16px;font-size:13px;}
.btn-danger{background:#b3261e;color:#fff;}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(14,17,22,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--card-border);}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;gap:20px;}
.logo{display:flex;align-items:center;gap:6px;font-size:20px;font-weight:700;flex-shrink:0;}
.logo img{height:34px;width:auto;}
.logo-mark{color:var(--accent);}
.main-nav{display:flex;gap:26px;flex:1;justify-content:center;}
.main-nav a{color:var(--text-muted);font-weight:500;font-size:15px;padding:6px 0;border-bottom:2px solid transparent;}
.main-nav a:hover,.main-nav a.active{color:var(--accent);border-color:var(--accent);}
.nav-cta{flex-shrink:0;}
.mobile-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;}
.mobile-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;}

/* ---------- Hero / Sections ---------- */
.hero{padding:70px 0 50px;}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;}
.eyebrow{color:var(--accent);letter-spacing:2px;font-weight:700;font-size:13px;margin-bottom:10px;text-transform:uppercase;}
.heading-xl{font-size:44px;line-height:1.15;font-weight:800;margin:0 0 18px;}
.heading-xl .accent{color:var(--accent);}
.lead{color:var(--text-muted);font-size:16px;margin-bottom:26px;max-width:540px;}
.lead p,.card-desc p{margin:0 0 10px;}
.lead p:last-child,.card-desc p:last-child{margin-bottom:0;}
.lead ul,.lead ol,.card-desc ul,.card-desc ol{padding-left:20px;margin:0 0 10px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-image img{border-radius:var(--radius);box-shadow:var(--shadow);}

/* ---------- Hero Fotoğraf Slider'ı (mevcut .hero-image kutusuyla aynı boyut) ---------- */
.hero-image-slider{position:relative;aspect-ratio:3/2;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;}
.hero-image-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease;}
.hero-image-slide.active{opacity:1;z-index:1;}
.hero-image-slide img{width:100%;height:100%;object-fit:contain;object-position:center;display:block;border-radius:0;box-shadow:none;background:var(--bg-soft);}
.hero-image-caption{position:absolute;left:0;right:0;bottom:0;padding:20px 22px;
  background:linear-gradient(0deg,rgba(10,12,16,.85) 0%,rgba(10,12,16,.35) 60%,transparent 100%);
  color:#fff;font-weight:700;font-size:17px;opacity:0;transform:translateY(14px);}
.hero-image-slide.active .hero-image-caption{animation:captionFadeUp .7s ease .15s forwards;}
@keyframes captionFadeUp{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:translateY(0);}}
.hero-image-dots{position:absolute;bottom:14px;right:16px;z-index:2;display:flex;gap:7px;}
.hero-image-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.5);border:none;cursor:pointer;padding:0;transition:.2s;}
.hero-image-dot.active{background:var(--accent);width:22px;border-radius:4px;}

/* ---------- Ana hero yazıları için giriş animasyonu ---------- */
.hero .eyebrow{animation:heroTextIn .7s ease both;}
.hero h1.heading-xl,.hero h1{animation:heroTextIn .7s ease .12s both;}
.hero .lead{animation:heroTextIn .7s ease .24s both;}
.hero .hero-actions{animation:heroTextIn .7s ease .36s both;}
.hero .feature-list{animation:heroTextIn .7s ease .48s both;}
@keyframes heroTextIn{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:translateY(0);}}

/* ---------- Hero Slider (fotoğraf/video slayt) ---------- */
.hero-slider{position:relative;height:620px;overflow:hidden;margin-bottom:10px;background:#0a0c10;}
.hero-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity 1s ease;}
.hero-slide.active{opacity:1;visibility:visible;z-index:2;}
.hero-slide-media{position:absolute;inset:0;z-index:0;}
.hero-slide-media img,.hero-slide-media video{width:100%;height:100%;object-fit:cover;display:block;}
.hero-slide-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,17,22,.94) 0%,rgba(14,17,22,.72) 42%,rgba(14,17,22,.28) 78%,rgba(14,17,22,.15) 100%);}
.hero-slide-content{position:relative;z-index:1;max-width:1240px;margin:0 auto;height:100%;display:flex;flex-direction:column;justify-content:center;padding:0 24px;}
.hero-slide-content > *{max-width:620px;}
.hero-slide .eyebrow,.hero-slide .heading-xl,.hero-slide .lead,.hero-slide .hero-actions{opacity:0;}
.hero-slide.active .eyebrow,.hero-slide.active .heading-xl,.hero-slide.active .lead,.hero-slide.active .hero-actions{animation:heroFadeUp .8s ease forwards;}
.hero-slide.active .eyebrow{animation-delay:.05s;}
.hero-slide.active .heading-xl{animation-delay:.15s;}
.hero-slide.active .lead{animation-delay:.3s;}
.hero-slide.active .hero-actions{animation-delay:.45s;}
@keyframes heroFadeUp{from{opacity:0;transform:translateY(26px);}to{opacity:1;transform:translateY(0);}}
.hero-dots{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);z-index:3;display:flex;gap:10px;}
.hero-dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.35);border:none;cursor:pointer;padding:0;transition:.2s;}
.hero-dot.active{background:var(--accent);width:30px;border-radius:6px;}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:44px;height:44px;border-radius:50%;
  background:rgba(14,17,22,.55);border:1px solid rgba(255,255,255,.25);color:#fff;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;}
.hero-arrow:hover{background:var(--accent);color:#1a1204;border-color:var(--accent);}
.hero-arrow.prev{left:18px;}
.hero-arrow.next{right:18px;}
@media (max-width:768px){
  .hero-slider{height:520px;}
  .hero-arrow{display:none;}
}
@media (max-width:520px){
  .hero-slider{height:460px;}
}

/* ---------- İstatistik sayaçları için ---------- */
.stat-number.counting{transition:none;}
/* ---------- Stats bar ---------- */
.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);background:var(--bg-soft);border:1px solid var(--card-border);border-radius:var(--radius);padding:26px 10px;margin:20px 0 60px;}
.stat-item{text-align:center;border-right:1px solid var(--card-border);}
.stat-item:last-child{border-right:none;}
.stat-number{font-size:30px;font-weight:800;color:var(--text);}
.stat-number .plus{color:var(--accent);}
.stat-label{color:var(--text-muted);font-size:13px;margin-top:4px;}

/* ---------- Cards / Grids ---------- */
.section{padding:50px 0;}
.section-head{max-width:640px;margin-bottom:36px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);overflow:hidden;transition:transform .2s ease, border-color .2s ease, opacity .35s ease;}
.card:hover{transform:translateY(-3px);border-color:var(--accent);}
.card img{aspect-ratio:16/10;object-fit:cover;width:100%;}
.card-body{padding:20px;}
.card-title{font-weight:700;font-size:17px;margin:0 0 4px;display:flex;justify-content:space-between;align-items:center;}
.card-sub{color:var(--text-muted);font-size:13px;margin:0;}
.card-desc{color:var(--text-muted);font-size:14px;margin-top:10px;}
.card-link{color:var(--accent);font-weight:600;font-size:14px;display:inline-flex;gap:6px;margin-top:12px;}

.feature-list{display:flex;gap:30px;flex-wrap:wrap;margin-top:26px;}
.feature-item{display:flex;align-items:center;gap:10px;min-width:150px;}
.feature-icon{width:42px;height:42px;border-radius:50%;border:1.5px solid var(--card-border);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:18px;color:var(--accent);}
.feature-text strong{display:block;font-size:14px;}
.feature-text span{color:var(--text-muted);font-size:12px;}

.filter-tabs{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0;}
.filter-tabs a{padding:10px 20px;border-radius:999px;background:var(--card);border:1px solid var(--card-border);font-size:14px;color:var(--text-muted);transition:.2s;}
.filter-tabs a.active{background:var(--accent);color:#1a1204;border-color:var(--accent);font-weight:700;transform:scale(1.04);}
.project-card{transition:opacity .4s ease, transform .4s ease;}
.project-card img.lightbox-trigger{cursor:zoom-in;}

/* ---------- Fotoğraf Önizleme (Lightbox) ---------- */
.lightbox-overlay{position:fixed;inset:0;z-index:2000;background:rgba(8,10,13,.92);
  display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;
  transition:opacity .25s ease;padding:20px;}
.lightbox-overlay.open{opacity:1;visibility:visible;}
.lightbox-box{max-width:900px;max-height:600px;width:100%;display:flex;flex-direction:column;align-items:center;}
.lightbox-box img{max-width:900px;max-height:600px;width:auto;height:auto;object-fit:contain;
  border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.6);background:#11141a;}
.lightbox-caption{color:#f4f5f7;font-size:14px;margin-top:14px;text-align:center;}
.lightbox-close{position:absolute;top:20px;right:24px;width:42px;height:42px;border-radius:50%;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:24px;
  line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;}
.lightbox-close:hover{background:var(--accent);border-color:var(--accent);color:#1a1204;}
.lightbox-arrow{position:absolute;top:50%;transform:translateY(-50%);width:50px;height:50px;border-radius:50%;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:28px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;}
.lightbox-arrow:hover{background:var(--accent);border-color:var(--accent);color:#1a1204;}
.lightbox-arrow.prev{left:18px;}
.lightbox-arrow.next{right:18px;}

@media(max-width:640px){
  .lightbox-overlay{padding:12px;}
  .lightbox-box{max-width:100%;}
  .lightbox-box img{max-width:100%;max-height:70vh;}
  .lightbox-arrow{width:38px;height:38px;font-size:20px;}
  .lightbox-arrow.prev{left:6px;}
  .lightbox-arrow.next{right:6px;}
  .lightbox-close{width:36px;height:36px;font-size:20px;top:10px;right:10px;}
  .lightbox-caption{font-size:12px;padding:0 10px;}
}
.project-card.card-out{opacity:0;transform:translateY(14px) scale(.96);}
.project-card.card-in{animation:cardFadeIn .45s ease both;}
@keyframes cardFadeIn{from{opacity:0;transform:translateY(14px) scale(.96);}to{opacity:1;transform:translateY(0) scale(1);}}

.process-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px;}
.process-step{text-align:left;}
.process-num{width:46px;height:46px;border-radius:50%;border:1.5px solid var(--accent);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:14px;}

.quote-box{background:var(--bg-soft);border-radius:var(--radius);padding:28px;font-style:italic;color:var(--text-muted);border-left:3px solid var(--accent);}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:20px;}
.contact-info-item{display:flex;gap:14px;margin-bottom:22px;}
.form-group{margin-bottom:16px;}
.form-group label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:6px;}
.form-control{width:100%;padding:13px 16px;border-radius:var(--radius-sm);border:1px solid var(--card-border);background:var(--bg-soft);color:var(--text);font-size:14px;}
.form-control:focus{outline:none;border-color:var(--accent);}
textarea.form-control{min-height:110px;resize:vertical;}
.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--card-border);margin-top:60px;padding:50px 0 20px;}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-bottom:30px;border-bottom:1px solid var(--card-border);}
.footer-nav{display:flex;flex-direction:column;gap:10px;}
.footer-nav a{color:var(--text-muted);font-size:14px;}
.footer-contact p{color:var(--text-muted);font-size:14px;margin:6px 0;}
.footer-tagline{color:var(--text-muted);font-size:12px;margin-top:8px;letter-spacing:1px;}
.footer-catalog-btn{display:inline-flex;align-items:center;gap:6px;margin-top:14px;padding:9px 16px;
  border-radius:999px;border:1.5px solid var(--accent);color:var(--accent);font-size:13px;font-weight:600;
  transition:.2s;}
.footer-catalog-btn:hover{background:var(--accent);color:#1a1204;}
.social-icons{display:flex;gap:10px;margin-top:10px;}
.social-icons a{width:36px;height:36px;border-radius:50%;background:var(--card);display:flex;align-items:center;justify-content:center;border:1px solid var(--card-border);font-size:14px;}
.footer-bottom{display:flex;justify-content:space-between;padding-top:18px;color:var(--text-muted);font-size:13px;flex-wrap:wrap;gap:10px;}
.footer-quote{font-style:italic;}

/* ---------- Alerts ---------- */
.alert{padding:14px 18px;border-radius:var(--radius-sm);margin-bottom:20px;font-size:14px;}
.alert-success{background:rgba(43,168,74,.15);border:1px solid #2ba84a;color:#8ee5a5;}
.alert-error{background:rgba(211,47,47,.15);border:1px solid #d32f2f;color:#f28b8b;}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-grid,.contact-grid,.footer-inner{grid-template-columns:1fr;}
  .grid-3,.grid-4,.process-steps{grid-template-columns:repeat(2,1fr);}
  .stats-bar{grid-template-columns:repeat(2,1fr);row-gap:16px;}
  .stat-item:nth-child(2){border-right:none;}
}
@media (max-width:768px){
  .main-nav{
    position:absolute;top:100%;left:0;right:0;background:var(--bg);
    flex-direction:column;padding:20px 24px;gap:16px;border-bottom:1px solid var(--card-border);
    display:none;
  }
  .main-nav.open{display:flex;}
  .mobile-toggle{display:flex;}
  .nav-cta{display:none;}
  .heading-xl{font-size:32px;}
  .grid-3,.grid-4,.process-steps{grid-template-columns:1fr;}
  .form-row-2{grid-template-columns:1fr;}
}