:root{
  --ink:#15171c;--graphite:#1d2128;--slate:#2a2f38;--line:#343a45;
  --amber:#f2a516;--amber-d:#d98c00;--copper:#c8641e;
  --paper:#f5f1e9;--stone:#e6dfd2;--text:#23262d;--muted:#6b7079;
  --r:10px;--wrap:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.65 "Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--paper)}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .6em;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,5vw,3.8rem);font-weight:800}
h2{font-size:clamp(1.7rem,3vw,2.5rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:0;background:var(--amber);color:var(--ink);padding:8px 14px;z-index:100}
.skip:focus{left:0}
.muted{color:var(--muted)}
.center{text-align:center;margin-top:2.2rem}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:.78rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--copper);margin:0 0 .9rem}
.kicker::before{content:"";width:28px;height:2px;background:currentColor}
.sec-dark .kicker,.hero .kicker,.phero .kicker{color:var(--amber)}

/* top bar + header */
.topbar{background:var(--ink);color:#aeb3bc;font-size:.82rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:8px;padding-bottom:8px}
.topbar a:hover{color:var(--amber)}
.sep{margin:0 8px;opacity:.5}
.hdr{position:sticky;top:0;z-index:50;background:rgba(21,23,28,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s}
.hdr.scrolled{box-shadow:0 6px 24px rgba(0,0,0,.28)}
.hdr-in{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:12px;color:#fff}
.logo span{display:flex;flex-direction:column;line-height:1}
.logo b{font-size:1.2rem;letter-spacing:.22em;font-weight:800}
.logo i{font-style:normal;font-size:.62rem;letter-spacing:.5em;color:var(--amber);margin-top:5px}
.nav{display:flex;align-items:center;gap:6px}
.nav a:not(.btn){color:#d6d9df;padding:8px 14px;font-weight:600;font-size:.95rem;border-radius:6px;position:relative}
.nav a:not(.btn):hover,.nav a.on{color:var(--amber)}
.nav .btn{margin-left:10px}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;transition:.2s}

/* buttons */
.btn{display:inline-block;background:var(--amber);color:var(--ink);font-weight:700;padding:14px 28px;border-radius:6px;border:2px solid var(--amber);cursor:pointer;font:inherit;font-weight:700;transition:.18s}
.btn:hover{background:var(--amber-d);border-color:var(--amber-d);transform:translateY(-1px)}
.btn-o{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-o:hover{background:#fff;color:var(--ink);border-color:#fff}
.sec:not(.sec-dark) .btn-o{color:var(--ink);border-color:var(--ink)}
.btn-dark{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-dark:hover{background:#000;border-color:#000}
.btn-sm{padding:8px 18px;font-size:.9rem}
.btn-block{display:block;width:100%;text-align:center}
.cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:1.8rem}

/* hero */
.hero{position:relative;background:radial-gradient(1200px 600px at 85% 20%,rgba(242,165,22,.16),transparent 60%),linear-gradient(160deg,#15171c,#222731);color:#fff;overflow:hidden}
.hero-grid{position:absolute;inset:0;width:100%;height:100%;color:rgba(255,255,255,.05)}
.hero-in{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding-top:84px;padding-bottom:96px}
.hero h1 em{font-style:normal;color:var(--amber)}
.lead{font-size:1.15rem;color:#c5c9d1;max-width:620px}
.lead-l{color:#aeb3bc}
.hero-card{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:5/4;box-shadow:0 30px 70px rgba(0,0,0,.45);border:1px solid var(--line);transition:transform .3s}
.hero-card:hover{transform:translateY(-4px)}
.hero-card svg{width:100%;height:100%}
.hero-card-b{position:absolute;left:0;right:0;bottom:0;padding:70px 22px 20px;display:flex;flex-direction:column;background:linear-gradient(transparent,rgba(10,11,14,.88))}
.hero-card-b b{font-size:1.4rem}
.meta{font-size:.76rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--amber)}

/* stats */
.stats{background:var(--amber);color:var(--ink)}
.stats-g{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:36px;padding-bottom:36px}
.stats-g div{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 4px;border-left:2px solid rgba(21,23,28,.25);padding-left:18px}
.stats-g b{font-size:clamp(2rem,4vw,3rem);font-weight:800;line-height:1}
.stats-g i{font-style:normal;font-weight:700;font-size:1.2rem}
.stats-g span{flex-basis:100%;font-size:.88rem;font-weight:600;opacity:.8}

/* sections */
.sec{padding:88px 0}
.sec-dark{background:var(--ink);color:#fff}
.sec-dark p{color:#c5c9d1}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:2rem}
.card{background:#fff;border:1px solid var(--stone);border-radius:var(--r);padding:34px 30px;transition:.2s;position:relative;overflow:hidden}
.card::after{content:"";position:absolute;left:0;top:0;height:4px;width:0;background:var(--amber);transition:width .3s}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(21,23,28,.1)}
.card:hover::after{width:100%}
.card-d{background:var(--graphite);border-color:var(--line)}
.num{display:block;font-size:2.2rem;font-weight:800;color:var(--amber);margin-bottom:.6rem}
.steps{list-style:none;padding:0;margin:2rem 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s}
.steps li{border-top:3px solid var(--ink);padding-top:18px}
.steps b{font-size:.9rem;color:var(--copper);letter-spacing:.1em}

/* project cards */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:2rem}
.pcard{background:var(--graphite);color:#fff;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);transition:.25s;display:flex;flex-direction:column}
.sec:not(.sec-dark) .pcard{box-shadow:0 8px 24px rgba(21,23,28,.12)}
.pcard:hover{transform:translateY(-6px);border-color:var(--amber)}
.pcard-img{position:relative;aspect-ratio:16/11;overflow:hidden}
.pcard-img svg{width:100%;height:100%;transition:transform .5s}
.pcard:hover .pcard-img svg{transform:scale(1.06)}
.pcard-b{padding:22px 24px 26px}
.pcard-b h3{margin:.3rem 0 .2rem;font-size:1.35rem}
.pcard-b p{color:#aeb3bc;margin:0 0 .9rem}
.more{color:var(--amber);font-weight:700;font-size:.92rem}
.badge{position:absolute;left:14px;top:14px;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:5px 11px;border-radius:99px;background:var(--ink);color:#fff}
.phero .badge{position:static;display:inline-block;margin-bottom:14px}
.b-devam{background:var(--amber);color:var(--ink)}
.b-tamamlandi{background:#2f9e6a}
.b-planlanan{background:#4a7fc1}
.filters{display:flex;gap:10px;flex-wrap:wrap}
.filters button{font:inherit;font-weight:600;padding:9px 20px;border-radius:99px;border:2px solid var(--ink);background:transparent;cursor:pointer;transition:.15s}
.filters button.on,.filters button:hover{background:var(--ink);color:#fff}
.pcard.hide{display:none}

/* page hero */
.phero{background:linear-gradient(160deg,#15171c,#242a34);color:#fff;padding:72px 0 64px;position:relative;overflow:hidden}
.phero .wrap{position:relative;z-index:1}
.phero h1{margin-bottom:.3em}
.phero-p{padding:96px 0 80px}
.phero-bg{position:absolute;inset:0;opacity:.45}
.phero-bg svg{width:100%;height:100%}
.phero-p::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(21,23,28,.92),rgba(21,23,28,.3))}
.crumb{font-size:.88rem;color:#aeb3bc}
.crumb a:hover{color:var(--amber)}

/* two column / panels */
.two{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.two-w{grid-template-columns:1.5fr 1fr}
.panel{background:#fff;border:1px solid var(--stone);border-radius:var(--r);padding:30px}
.h3s{margin-top:1.8rem}
.ticks{list-style:none;padding:0;margin:0}
.ticks li{padding:8px 0 8px 32px;position:relative;border-bottom:1px solid var(--stone)}
.ticks li::before{content:"";position:absolute;left:4px;top:15px;width:14px;height:8px;border-left:3px solid var(--amber);border-bottom:3px solid var(--amber);transform:rotate(-45deg)}
.dl{margin:0 0 1.4rem}
.dl div{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid var(--stone)}
.dl dt{color:var(--muted)}
.dl dd{margin:0;font-weight:700;text-align:right}

/* 3D viewer */
.viewer{margin-top:2rem;background:var(--graphite);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:grid;grid-template-columns:1.6fr 1fr}
.vstage{position:relative;min-height:520px;background:linear-gradient(#232a36,#12151a)}
.vstage canvas{position:absolute;inset:0;width:100%;height:100%;cursor:grab;touch-action:pan-y}
.vstage canvas:active{cursor:grabbing}
.vfallback{position:absolute;inset:0;display:grid;place-items:center;color:#aeb3bc;padding:20px;text-align:center}
.vhud{position:absolute;left:16px;right:16px;top:14px;display:flex;justify-content:space-between;align-items:center;pointer-events:none}
.vhud>*{pointer-events:auto}
.vhud span{background:rgba(21,23,28,.7);padding:5px 12px;border-radius:99px;font-weight:700;font-size:.85rem;color:var(--amber)}
.vinfo{padding:24px;display:flex;flex-direction:column;gap:18px;border-left:1px solid var(--line)}
.vsteps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.vsteps button{display:flex;align-items:center;gap:12px;width:100%;text-align:left;font:inherit;color:#aeb3bc;background:transparent;border:1px solid transparent;padding:8px 10px;border-radius:8px;cursor:pointer;transition:.15s}
.vsteps button b{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--slate);color:#fff;font-size:.8rem;flex:none}
.vsteps button:hover{background:var(--slate)}
.vsteps button.on{color:#fff;background:var(--slate);border-color:var(--amber)}
.vsteps button.on b,.vsteps button.done b{background:var(--amber);color:var(--ink)}
.vtext h3{color:var(--amber);margin-bottom:.4em}
.vtext p{font-size:.95rem;color:#c5c9d1;margin-bottom:.7em}
.vnote{border-left:3px solid var(--copper);padding-left:12px;color:#fff!important}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tags span{font-size:.75rem;background:var(--slate);color:#d6d9df;padding:4px 10px;border-radius:99px}
#vrange{grid-column:1/-1;width:100%;accent-color:var(--amber);margin:0;height:28px;background:var(--ink)}

/* contact */
.cinfo{display:grid;gap:8px}
.ci{padding:16px 0;border-bottom:1px solid var(--stone)}
.ci h3{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--copper);margin-bottom:.4em}
.ci p{margin:0}
.ci a:hover{color:var(--copper)}
.map{position:relative;border-radius:var(--r);overflow:hidden;margin-top:12px;aspect-ratio:16/8}
.map svg{width:100%;height:100%}
.map span{position:absolute;left:12px;bottom:10px;background:var(--ink);color:#fff;font-size:.8rem;padding:4px 10px;border-radius:6px}
.form{background:#fff;border:1px solid var(--stone);border-radius:var(--r);padding:32px;display:grid;gap:14px}
.form label{display:grid;gap:6px;font-weight:600;font-size:.9rem}
.form input,.form select,.form textarea{font:inherit;padding:11px 13px;border:1px solid #cfc8b8;border-radius:6px;background:var(--paper)}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--amber);border-color:var(--amber)}
.form-msg{margin:0;font-weight:600;color:#2f9e6a}

/* cta + footer */
.cta-band{background:var(--amber);padding:64px 0;text-align:center}
.cta-band h2{margin-bottom:.2em}
.cta-band p{margin-bottom:1.4rem}
.ftr{background:var(--ink);color:#c5c9d1;padding:64px 0 0}
.ftr-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1.3fr;gap:36px}
.ftr h4{color:#fff;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:1em}
.ftr-grid>div>a{display:block;padding:3px 0}
.ftr-grid>div>a:hover{color:var(--amber)}
.logo-l{margin-bottom:14px}
.ftr-bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-top:48px;padding:20px 0;border-top:1px solid var(--line);font-size:.85rem}

/* reveal */
.rv{opacity:0;transform:translateY(22px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* responsive */
@media (max-width:960px){
  .hero-in,.two,.two-w{grid-template-columns:1fr;gap:36px}
  .pgrid,.cards3{grid-template-columns:1fr 1fr}
  .steps,.stats-g{grid-template-columns:1fr 1fr}
  .ftr-grid{grid-template-columns:1fr 1fr}
  .viewer{grid-template-columns:1fr}
  .vinfo{border-left:0;border-top:1px solid var(--line)}
  .vstage{min-height:400px}
}
@media (max-width:720px){
  .topbar-r .sep,.topbar-r span:last-child{display:none}
  .burger{display:block}
  .nav{position:absolute;left:0;right:0;top:72px;background:var(--ink);flex-direction:column;align-items:stretch;padding:12px 24px 20px;border-bottom:1px solid var(--line);display:none}
  .nav.open{display:flex}
  .nav .btn{margin:8px 0 0;text-align:center}
  .pgrid,.cards3,.steps{grid-template-columns:1fr}
  .sec{padding:60px 0}
  .ftr-grid{grid-template-columns:1fr}
  .hero-in{padding-top:56px;padding-bottom:64px}
}

[hidden]{display:none!important}

/* render modu (proje görselleri için ?shot=1) */
body.shot{overflow:hidden;background:#000}
body.shot .skip,body.shot .topbar,body.shot .hdr,body.shot .ftr,body.shot main>section:not(#insaat),body.shot #insaat .wrap>*:not(.viewer),body.shot .vinfo,body.shot #vrange,body.shot .vhud{display:none!important}
body.shot #insaat{padding:0;background:none}
body.shot .viewer{display:block;margin:0;border:0;border-radius:0;background:none}
body.shot .vstage{position:fixed;inset:0;z-index:9999;min-height:0}
.pcard-img img,.hero-card img,.phero-bg img{width:100%;height:100%;object-fit:cover;display:block}
.pcard-img img{transition:transform .5s}
.pcard:hover .pcard-img img{transform:scale(1.06)}