:root{
  --bg:#13171b; --bg2:#181d22; --panel:#1d2329; --line:#2b343c;
  --text:#FBF8F2; --muted:#9ba7af; --accent:#9DB4C0; --steel:#5E7E8E; --wood:#c49a6c;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif;line-height:1.6}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.mono{font-family:"JetBrains Mono",monospace;letter-spacing:.14em;text-transform:uppercase;font-size:12px;color:var(--accent)}

/* Header */
header{position:sticky;top:0;z-index:20;background:rgba(19,23,27,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px;gap:16px}
.logo img{height:30px;width:auto}
nav ul{display:flex;gap:28px;list-style:none;font-size:14px;color:var(--muted)}
nav ul a:hover{color:var(--text)}
.right{display:flex;gap:10px;align-items:center}
.lang{display:flex;border:1px solid var(--line);border-radius:4px;overflow:hidden}
.lang button{background:none;border:0;color:var(--muted);padding:6px 10px;font:600 12px Inter;cursor:pointer}
.lang button.on{background:var(--accent);color:#13171b}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--text);padding:6px 11px;border-radius:4px;font-size:16px;cursor:pointer}

/* Hero */
.hero{position:relative;min-height:calc(100vh - 70px);max-height:860px;display:flex;align-items:center;overflow:hidden}
.hero-img{position:absolute;inset:0;background:url(img/roket-1.jpg) center/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(19,23,27,.97) 0%,rgba(19,23,27,.85) 45%,rgba(19,23,27,.35) 100%)}
.hero::after{content:"";position:absolute;inset:0;z-index:1;opacity:.35;background:
  linear-gradient(var(--line) 1px,transparent 1px) 0 0/56px 56px,
  linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/56px 56px;
  mask-image:linear-gradient(90deg,#000 0%,transparent 60%);-webkit-mask-image:linear-gradient(90deg,#000 0%,transparent 60%)}
.hero .wrap{width:100%;position:relative;z-index:2;padding-top:60px;padding-bottom:60px}
.hero h1{font-size:clamp(34px,5.2vw,60px);line-height:1.08;max-width:760px;margin:18px 0 22px;font-weight:700;letter-spacing:-.01em}
.hero h1 span{color:var(--accent)}
.hero p{color:#c9d1d6;max-width:580px;font-size:18px}
.btns{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 24px;border-radius:4px;font-weight:600;font-size:15px;border:1px solid var(--accent);transition:.2s}
.btn.primary{background:var(--accent);color:#13171b}
.btn.ghost{color:var(--accent)}
.btn:hover{filter:brightness(1.12)}
.stats{display:flex;gap:44px;margin-top:56px;flex-wrap:wrap}
.stats b{display:block;font-size:26px;color:var(--text)}
.stats small{color:var(--muted);font-size:13px}

/* Sections */
section{padding:96px 0}
.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.head{margin-bottom:46px}
.head h2{font-size:clamp(26px,3.4vw,38px);margin-top:10px;line-height:1.2}
.head p{color:var(--muted);max-width:640px;margin-top:12px}

/* Pillars */
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.pillar{background:var(--panel);border:1px solid var(--line);border-radius:6px;overflow:hidden;display:flex;flex-direction:column}
.pillar .pimg{aspect-ratio:16/9;background-size:cover;background-position:center}
.pillar .body{padding:30px}
.pillar h3{font-size:23px;margin:8px 0 10px}
.pillar p{color:var(--muted)}
.pillar .more{display:inline-block;margin-top:18px;color:var(--accent);font-weight:600}
.pillar .more:hover{text-decoration:underline}

/* Materials */
.mats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.mat{border:1px solid var(--line);border-radius:6px;padding:28px;background:var(--panel)}
.mat .n{font:500 13px "JetBrains Mono";color:var(--wood)}
.mat h4{font-size:19px;margin:10px 0 8px}
.mat p{color:var(--muted);font-size:15px}

/* Process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:56px;border-top:1px solid var(--line)}
.step{padding:24px 22px 0 0}
.step .k{font:500 12px "JetBrains Mono";color:var(--accent)}
.step h5{font-size:16px;margin:8px 0 6px}
.step p{color:var(--muted);font-size:14px}

/* Gallery */
.gal{display:grid;grid-auto-flow:dense;grid-template-columns:repeat(4,1fr);grid-auto-rows:220px;gap:12px}
.gal figure{position:relative;overflow:hidden;border-radius:4px;background:var(--panel);cursor:zoom-in}
.gal figure.w{grid-column:span 2}
.gal figure.t{grid-row:span 2}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gal figure:hover img{transform:scale(1.05)}
.gal figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 10px;font-size:13px;background:linear-gradient(transparent,rgba(0,0,0,.75))}
.lb{position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.92);display:none;align-items:center;justify-content:center;padding:20px;cursor:zoom-out}
.lb.on{display:flex}
.lb img{max-height:90vh;max-width:100%;border-radius:4px}

/* Software */
.soft{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{border:1px solid var(--line);border-radius:6px;background:var(--panel);padding:28px;display:flex;flex-direction:column}
.card .tag{align-self:flex-start;font:500 11px "JetBrains Mono";padding:4px 8px;border-radius:3px;background:rgba(157,180,192,.15);color:var(--accent)}
.card.soon .tag{background:#262c31;color:var(--muted)}
.card h4{font-size:19px;margin:16px 0 8px}
.card p{color:var(--muted);font-size:15px;flex:1}
.card .meta{font:500 12px "JetBrains Mono";color:var(--muted);margin-top:14px}
.card .btn{margin-top:20px;text-align:center;font-size:14px;padding:10px}
.card.soon .btn{border-color:var(--line);color:var(--muted);pointer-events:none}

/* About */
.about{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.about p{color:var(--muted);margin-top:14px}
.about .imgs{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.about .imgs img{border-radius:4px;aspect-ratio:3/4;object-fit:cover;width:100%}
.about .imgs img:first-child{margin-top:40px}

/* Contact */
.cgrid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.cinfo a,.cinfo div{display:block;padding:18px 0;border-bottom:1px solid var(--line)}
.cinfo a:hover{color:var(--accent)}
.cinfo small{display:block;color:var(--muted);font-size:13px;margin-bottom:2px}

footer{padding:30px 0;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}
footer .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
footer img{height:22px;opacity:.8}

@media (max-width:900px){
  nav ul{display:none;position:absolute;top:70px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg2);border-bottom:1px solid var(--line)}
  nav ul.open{display:flex}
  nav ul li a{display:block;padding:15px 20px}
  .menu-btn{display:block}
  .pillars,.mats,.soft,.cgrid,.about{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .gal{grid-template-columns:1fr 1fr;grid-auto-rows:170px}
  .hero{min-height:0}
  .hero::before{background:rgba(19,23,27,.86)}
  section{padding:68px 0}
  .stats{gap:28px}
}
@media (max-width:420px){.logo img{height:24px}}

/* Dropdown */
nav ul a.act{color:var(--text)}
.dd{position:relative}
.sub{display:none;position:absolute;top:100%;left:-16px;min-width:210px;list-style:none;background:var(--bg2);border:1px solid var(--line);border-radius:4px;padding:8px 0;margin-top:0}
.dd:hover .sub,.dd:focus-within .sub{display:block}
.dd::after{content:"";position:absolute;left:0;right:0;top:100%;height:26px}
.sub a{display:block;padding:9px 16px;white-space:nowrap}
.sub a:hover{background:var(--panel)}
.dd .sub{top:calc(100% + 24px)}
.page-head{padding:80px 0 40px;border-bottom:1px solid var(--line);background:
  linear-gradient(var(--line) 1px,transparent 1px) 0 0/56px 56px,linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/56px 56px;background-color:var(--bg)}
.page-head h1{font-size:clamp(32px,4.6vw,52px);line-height:1.1;margin:12px 0 14px}
.page-head p{color:var(--muted);max-width:640px}
.subnav{display:flex;gap:10px;margin-top:28px;flex-wrap:wrap}
.subnav a{border:1px solid var(--line);padding:8px 14px;border-radius:4px;font-size:14px;color:var(--muted)}
.subnav a:hover{color:var(--text);border-color:var(--accent)}
.cnc{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cnc .item{background:var(--panel);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.cnc .item img{aspect-ratio:4/3;object-fit:cover;width:100%}
.cnc .item div{padding:22px}
.cnc .item h4{font-size:18px;margin-bottom:6px}
.cnc .item p{color:var(--muted);font-size:15px}
section[id]{scroll-margin-top:70px}
@media (max-width:900px){
  .sub{display:block;position:static;border:0;background:none;padding:0 0 6px 16px;min-width:0}
  .dd .sub{top:auto}
  .dd::after{display:none}
  .cnc{grid-template-columns:1fr}
}

/* ---- Proje kartları ---- */
.projects{display:flex;flex-direction:column;gap:28px}
.proj{display:grid;grid-template-columns:1.25fr 1fr;background:var(--panel);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.proj:nth-child(even){grid-template-columns:1fr 1.25fr}
.proj:nth-child(even) .pmedia{order:2}
.pmedia{display:flex;flex-direction:column;background:#0f1215}
.pmain{position:relative;aspect-ratio:4/3;overflow:hidden;cursor:zoom-in}
.pmain img{width:100%;height:100%;object-fit:contain;transition:transform .5s}
.pmain:hover img{transform:scale(1.03)}
.pmain .count{position:absolute;right:12px;bottom:12px;background:rgba(0,0,0,.65);font:500 12px "JetBrains Mono";padding:5px 9px;border-radius:3px}
.thumbs{display:flex;gap:6px;padding:6px;overflow-x:auto}
.thumbs button{flex:0 0 74px;height:56px;border:2px solid transparent;border-radius:3px;padding:0;background:none;cursor:pointer;overflow:hidden;opacity:.6}
.thumbs button.on,.thumbs button:hover{border-color:var(--accent);opacity:1}
.thumbs img{width:100%;height:100%;object-fit:cover}
.pinfo{padding:32px}
.pinfo .ptag{display:inline-block;font:500 11px "JetBrains Mono";letter-spacing:.1em;text-transform:uppercase;color:var(--wood);margin-bottom:10px}
.pinfo h3{font-size:24px;line-height:1.25;margin-bottom:12px}
.pinfo p{color:var(--muted);font-size:15px}
.specs{margin-top:22px;border-top:1px solid var(--line)}
.specs div{display:grid;grid-template-columns:130px 1fr;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
.specs dt{color:var(--muted)}
.specs dd{color:var(--text)}

/* Teknik bilgi kutusu */
.tech{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:6px;overflow:hidden;margin-top:40px}
.tech div{padding:22px;border-right:1px solid var(--line);background:var(--panel)}
.tech div:last-child{border-right:0}
.tech small{display:block;font:500 11px "JetBrains Mono";letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.tech b{font-size:15px;font-weight:600}

/* Lightbox (galeri) */
.lb{flex-direction:column;gap:14px;cursor:default}
.lb img{max-height:80vh}
.lb .cap{color:#cfd6db;font-size:14px;text-align:center;max-width:800px}
.lb .x,.lb .nv{position:absolute;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);color:#fff;width:46px;height:46px;border-radius:50%;font-size:22px;cursor:pointer}
.lb .x{top:18px;right:18px}
.lb .nv.p{left:18px;top:50%}
.lb .nv.n{right:18px;top:50%}
.lb .nv:hover,.lb .x:hover{background:rgba(255,255,255,.2)}

.pillars.three{grid-template-columns:repeat(3,1fr)}

@media (max-width:900px){
  .proj,.proj:nth-child(even){grid-template-columns:1fr}
  .proj:nth-child(even) .pmedia{order:0}
  .pinfo{padding:24px}
  .tech{grid-template-columns:1fr 1fr}
  .tech div:nth-child(2){border-right:0}
  .tech div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .pillars.three{grid-template-columns:1fr}
  .lb .nv{top:auto!important;bottom:18px}
}