/* ==========================================================================
   NSP Makina — site stylesheet
   Endüstriyel / teknik çizim dili: keskin köşeler, 1px çizgiler, mono etiketler,
   56px grid deseni. Tokenlar _demo/index.html'den taşındı.
   ========================================================================== */

:root{
  --ink:#101816;
  --ink-2:#3D4A47;
  --mut:#6B7A76;
  --paper:#FAFAF8;
  --paper-2:#F1F3F1;
  --line:#E4E7E4;
  --line-2:#D5DAD7;
  --line-dark:rgba(255,255,255,.12);
  --teal:#0F9484;
  --teal-deep:#0A6F63;
  --teal-soft:#E3F2EF;
  --dark:#0C1311;
  --dark-2:#121C19;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
  --disp:'Space Grotesk',system-ui,sans-serif;
  --body:'Inter',system-ui,sans-serif;
  --hdr:80px;
  --ease:cubic-bezier(.2,.6,.2,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr) + 16px)}
body{font-family:var(--body);font-size:16px;color:var(--ink);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px}
.wrap{max-width:1240px;margin:0 auto;padding:0 32px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:16px;top:-60px;z-index:200;background:var(--teal);color:#fff;padding:10px 16px;font-weight:600}
.skip:focus{top:12px}

h1,h2,h3,h4,.disp{font-family:var(--disp);letter-spacing:-.02em;line-height:1.12}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;line-height:1.5}
.tl{color:var(--teal)}
.alt{color:transparent;-webkit-text-stroke:1px currentColor}

/* reveal on scroll */
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.on{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}
.no-js .rv{opacity:1;transform:none}

/* ------------------------------------------------------------------ buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;font-family:var(--disp);font-weight:600;font-size:15px;padding:16px 30px;border:1px solid transparent;cursor:pointer;transition:background .25s,color .25s,border-color .25s;white-space:nowrap}
.btn svg{transition:transform .25s;flex:none}
.btn:hover svg.i-arrow{transform:translateX(4px)}
.btn-solid{background:var(--teal);color:#fff}
.btn-solid:hover{background:var(--teal-deep)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:#000}
.btn-line{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-line:hover{background:var(--ink);color:#fff}
.btn-ghost{border-color:rgba(255,255,255,.3);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--disp);font-weight:600;font-size:15px;border-bottom:1px solid currentColor;padding-bottom:4px;transition:color .25s,border-color .25s}
.link-arrow svg{transition:transform .25s}
.link-arrow:hover svg{transform:translateX(4px)}
.link-arrow.light{color:#fff;border-color:rgba(255,255,255,.3)}
.link-arrow.light:hover{border-color:#fff}
.link-arrow.dark{color:var(--ink);border-color:var(--line-2)}
.link-arrow.dark:hover{color:var(--teal);border-color:var(--teal)}

/* ------------------------------------------------------------------ top bar */
.topbar{background:var(--dark);color:rgba(255,255,255,.55)}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:24px}
.topbar .mono{font-size:10.5px}
.topbar .right{display:flex;align-items:center;gap:28px;margin-left:auto}
.topbar a[href^="mailto"]{text-transform:lowercase}
.topbar a{transition:color .2s}
.topbar a:hover{color:#fff}
.topbar .sep{width:1px;height:14px;background:var(--line-dark)}
.lang{display:flex;align-items:center;gap:2px}
.lang a{padding:2px 6px}
.lang a[aria-current]{color:#fff;background:rgba(255,255,255,.08)}
@media(max-width:860px){.topbar .hide-sm{display:none}}

/* ------------------------------------------------------------------ header */
.hdr{position:sticky;top:0;z-index:60;background:rgba(250,250,248,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.hdr.scrolled{box-shadow:0 1px 24px rgba(16,24,22,.07)}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--hdr);gap:24px}
.logo{display:flex;align-items:center;flex:none}
.logo img{height:46px;width:auto}
.nav-links{display:flex;align-items:center;gap:36px;list-style:none;height:100%}
.nav-links > li{height:100%;display:flex;align-items:center;position:relative}
.nav-links > li > a{font-size:14.5px;font-weight:500;color:var(--ink-2);position:relative;padding:4px 0;display:inline-flex;align-items:center;gap:6px;transition:color .2s}
.nav-links > li > a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1.5px;background:var(--teal);transition:width .25s}
.nav-links > li > a:hover,.nav-links > li > a[aria-current]{color:var(--ink)}
.nav-links > li > a:hover::after,.nav-links > li > a[aria-current]::after{width:100%}
.nav-links .chev{transition:transform .25s}
.nav-cta{display:inline-flex;align-items:center;gap:10px;font-family:var(--disp);font-weight:600;font-size:14.5px;color:var(--ink);border:1px solid var(--ink);padding:11px 22px;transition:all .25s;flex:none}
.nav-cta svg{transition:transform .25s}
.nav-cta:hover{background:var(--ink);color:#fff}
.nav-cta:hover svg{transform:translateX(4px)}
.burger{display:none;background:none;border:none;cursor:pointer;color:var(--ink);padding:8px;margin-right:-8px}
.burger .i-close{display:none}
.menu-open .burger .i-close{display:block}
.menu-open .burger .i-menu{display:none}

/* mega menu */
.mega{position:absolute;top:100%;left:50%;transform:translate(-50%,8px);width:min(880px,calc(100vw - 64px));background:#fff;border:1px solid var(--line);box-shadow:0 24px 60px rgba(16,24,22,.12);display:grid;grid-template-columns:1fr 260px;opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translate(-50%,0)}
.has-mega:hover .chev,.has-mega:focus-within .chev{transform:rotate(180deg)}
.mega-list{list-style:none;padding:12px;display:grid;grid-template-columns:1fr 1fr;gap:2px}
.mega-list a{display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;padding:12px 14px;transition:background .2s}
.mega-list a:hover{background:var(--paper)}
.mega-list .code{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--teal)}
.mega-list b{font-family:var(--disp);font-weight:600;font-size:14.5px;letter-spacing:-.01em;line-height:1.3}
.mega-list .cnt{font-family:var(--mono);font-size:10.5px;color:var(--mut)}
.mega-side{background:var(--dark);color:#fff;padding:24px;display:flex;flex-direction:column;justify-content:space-between;gap:20px;position:relative;overflow:hidden}
.mega-side::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:28px 28px}
.mega-side > *{position:relative}
.mega-side .mono{color:var(--teal);font-size:10.5px}
.mega-side p{font-family:var(--disp);font-size:19px;font-weight:600;line-height:1.25;letter-spacing:-.01em}

/* ------------------------------------------------------------------ hero */
.hero{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.grid-bg{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:56px 56px}
.hero .grid-bg{-webkit-mask-image:radial-gradient(ellipse 90% 80% at 60% 40%,#000 40%,transparent 100%);mask-image:radial-gradient(ellipse 90% 80% at 60% 40%,#000 40%,transparent 100%)}
.hero-main{position:relative;display:grid;grid-template-columns:1fr 1.02fr;gap:64px;align-items:center;padding-top:88px;padding-bottom:88px}
.kick{display:flex;align-items:center;gap:14px;color:var(--teal);margin-bottom:28px}
.kick::before{content:"";width:36px;height:1px;background:var(--teal)}
.hero h1{font-size:clamp(38px,4.4vw,62px);line-height:1.05;font-weight:700}
.hero h1 .alt{-webkit-text-stroke:1px rgba(255,255,255,.6)}
.hero .lead{margin-top:26px;max-width:500px;font-size:17px;color:rgba(255,255,255,.62)}
.hero .actions{display:flex;align-items:center;gap:28px;margin-top:40px;flex-wrap:wrap}

/* hero visual: blueprint frame + crossfading photos */
.hv{position:relative;padding:14px}
.hv-frame{position:relative;aspect-ratio:4/3.1;background:#0a100e;overflow:hidden}
.hv-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s var(--ease)}
.hv-slide.on{opacity:1}
.hv-slide img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);transition:transform 7s linear}
.hv-slide.on img{transform:scale(1)}
.hv-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,19,17,0) 45%,rgba(12,19,17,.85) 100%)}
.hv-cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:24px 26px;display:flex;justify-content:space-between;align-items:flex-end;gap:20px}
.hv-cap .mono{color:var(--teal);font-size:10.5px;display:block;margin-bottom:6px}
.hv-cap h2{font-size:clamp(18px,1.7vw,23px);font-weight:600;letter-spacing:-.01em;max-width:340px}
.hv-cap a{flex:none;width:46px;height:46px;border:1px solid rgba(255,255,255,.35);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .25s}
.hv-cap a:hover{background:var(--teal);border-color:var(--teal);transform:rotate(-45deg)}
.hv-tick{position:absolute;width:18px;height:18px;border-color:var(--teal);border-style:solid;border-width:0}
.hv-tick.tl{top:0;left:0;border-top-width:1.5px;border-left-width:1.5px}
.hv-tick.tr{top:0;right:0;border-top-width:1.5px;border-right-width:1.5px}
.hv-tick.bl{bottom:0;left:0;border-bottom-width:1.5px;border-left-width:1.5px}
.hv-tick.br{bottom:0;right:0;border-bottom-width:1.5px;border-right-width:1.5px}
.hv-meta{display:flex;justify-content:space-between;align-items:center;margin-top:16px;padding:0 2px;color:rgba(255,255,255,.4);font-size:10.5px}
.hv-dots{display:flex;gap:6px}
.hv-dots button{width:28px;height:3px;background:rgba(255,255,255,.18);border:none;cursor:pointer;padding:0;position:relative;overflow:hidden}
.hv-dots button::after{content:"";position:absolute;inset:0;background:var(--teal);transform:scaleX(0);transform-origin:left}
.hv-dots button.on::after{animation:hvbar var(--hv-dur,6s) linear forwards}
.hv.paused .hv-dots button.on::after{animation-play-state:paused}
@keyframes hvbar{to{transform:scaleX(1)}}
.hv-dim{position:absolute;top:14px;bottom:14px;left:-2px;width:1px;background:rgba(255,255,255,.18)}
.hv-dim::before,.hv-dim::after{content:"";position:absolute;left:-4px;width:9px;height:1px;background:rgba(255,255,255,.3)}
.hv-dim::before{top:0}.hv-dim::after{bottom:0}

/* hero metrics */
.metrics{border-top:1px solid var(--line-dark);position:relative}
.metrics .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.hm{padding:26px 28px;border-left:1px solid var(--line-dark)}
.hm:first-child{border-left:none;padding-left:0}
.hm b{font-family:var(--disp);font-size:32px;font-weight:700;color:#fff;display:block;line-height:1.1;letter-spacing:-.02em}
.hm b em{font-style:normal;color:var(--teal);font-size:.7em;margin-left:2px}
.hm > span{font-size:13px;color:rgba(255,255,255,.45)}

/* domain strip */
.strip{border-bottom:1px solid var(--line);background:#fff}
.strip .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 22px;padding-top:18px;padding-bottom:18px}
.strip a{color:var(--mut);font-size:11px;transition:color .2s}
.strip a:hover{color:var(--teal)}
.strip .dot{width:4px;height:4px;border-radius:50%;background:var(--teal);flex:none}

/* ------------------------------------------------------------------ sections */
.sec{padding:110px 0}
.sec.white{background:#fff}
.sec.bt{border-top:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:280px 1fr auto;gap:40px;align-items:end;margin-bottom:56px}
.sec-head .no{color:var(--mut);align-self:start;padding-top:10px}
.sec-head .no b{color:var(--teal);font-weight:500}
.sec-head h2{font-size:clamp(30px,3.4vw,44px);font-weight:700;max-width:680px}
.sec-head p{grid-column:2;color:var(--mut);max-width:620px;margin-top:-24px}
.sec-head .more{align-self:end}
.dark-sec{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.dark-sec .wrap{position:relative}
.dark-sec .sec-head .no{color:rgba(255,255,255,.4)}
.dark-sec .sec-head p{color:rgba(255,255,255,.55)}

/* ------------------------------------------------------------------ category grid */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.cat{position:relative;display:flex;flex-direction:column;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;padding:22px 22px 24px;transition:background .3s;overflow:hidden}
.cat:hover{background:var(--paper)}
.cat-top{display:flex;justify-content:space-between;color:var(--mut);font-size:10.5px}
.cat-top b{color:var(--teal);font-weight:500}
.cat-img{aspect-ratio:4/3;margin:16px -22px 18px;overflow:hidden;background:var(--paper-2);position:relative}
.cat-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.cat:hover .cat-img img{transform:scale(1.05)}
.cat h3{font-size:19px;font-weight:600;letter-spacing:-.01em;line-height:1.25;padding-right:44px}
.cat .arr{position:absolute;right:20px;bottom:22px}
.cat-cta{background:var(--dark);color:#fff;justify-content:space-between}
.cat-cta:hover{background:#000}
.cat-cta::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:28px 28px}
.cat-cta > *{position:relative}
.cat-cta .mono{color:var(--teal);font-size:10.5px}
.cat-cta p{font-family:var(--disp);font-size:24px;font-weight:600;line-height:1.2;letter-spacing:-.015em}
.cat-cta .arr{border-color:rgba(255,255,255,.3);color:#fff}

/* round arrow */
.arr{width:44px;height:44px;border:1px solid var(--line-2);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--mut);transition:all .25s;flex:none}
a:hover > .arr,a:hover .arr,.svc:hover .arr{background:var(--teal);border-color:var(--teal);color:#fff;transform:rotate(-45deg)}

/* ------------------------------------------------------------------ product cards */
.p-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.p-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.pc{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);transition:border-color .3s,box-shadow .3s,transform .3s}
.pc:hover{border-color:var(--line-2);box-shadow:0 18px 40px rgba(16,24,22,.08);transform:translateY(-3px)}
.pc-img{position:relative;aspect-ratio:1;background:var(--paper-2);overflow:hidden;border-bottom:1px solid var(--line)}
.pc-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.pc-img img.render{object-fit:contain;padding:6%;mix-blend-mode:multiply}
.pc:hover .pc-img img{transform:scale(1.05)}
.pc-code{position:absolute;top:12px;left:12px;z-index:1;background:rgba(255,255,255,.9);padding:3px 8px;font-size:10px;color:var(--ink-2)}
.pc-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;gap:8px}
.pc-cat{color:var(--teal);font-size:10.5px}
.pc h3{font-size:17.5px;font-weight:600;letter-spacing:-.01em;line-height:1.28}
.pc p{font-size:14px;color:var(--mut);line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.pc-foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;font-family:var(--disp);font-weight:600;font-size:14px}
.pc-foot svg{transition:transform .25s}
.pc:hover .pc-foot{color:var(--teal)}
.pc:hover .pc-foot svg{transform:translateX(4px)}

/* blueprint placeholder */
.bp{width:100%;height:100%;display:block;background:var(--paper-2)}

/* ------------------------------------------------------------------ about block */
.about-grid{display:grid;grid-template-columns:280px 1fr 300px;gap:40px}
.about-grid .no{color:var(--mut);padding-top:10px}
.about-grid .no b{color:var(--teal);font-weight:500}
.about-main h2{font-size:clamp(30px,3.4vw,44px);font-weight:700;margin-bottom:28px}
.about-main p{color:var(--ink-2);max-width:620px;margin-bottom:18px}
.about-list{list-style:none;margin-top:34px;border-top:1px solid var(--line)}
.about-list li{display:flex;gap:16px;align-items:baseline;padding:14px 0;border-bottom:1px solid var(--line);font-weight:500;font-size:15px}
.about-list li .mono{color:var(--teal);font-size:11px;flex:none}
.about-side{border-left:1px solid var(--line);padding-left:40px;display:flex;flex-direction:column;gap:36px;align-self:start}
.as-item b{font-family:var(--disp);font-size:42px;font-weight:700;line-height:1;display:block;color:var(--ink);letter-spacing:-.02em}
.as-item b em{font-style:normal;color:var(--teal);font-size:.55em;margin-left:3px}
.as-item span{font-size:13.5px;color:var(--mut);display:block;margin-top:8px}

/* ------------------------------------------------------------------ services list */
.svc-list{border-top:1px solid var(--line)}
.svc{display:grid;grid-template-columns:90px 1fr 1.1fr 48px;gap:32px;align-items:center;padding:34px 8px;border-bottom:1px solid var(--line);position:relative;transition:background .25s}
.svc:hover{background:#fff}
.svc::before{content:"";position:absolute;left:0;top:-1px;height:calc(100% + 2px);width:0;background:var(--teal);transition:width .25s}
.svc:hover::before{width:3px}
.svc .no{color:var(--mut);transition:color .25s}
.svc:hover .no{color:var(--teal)}
.svc h3{font-size:clamp(19px,2vw,25px);font-weight:600;letter-spacing:-.01em}
.svc p{font-size:14.5px;color:var(--mut);max-width:480px}

/* ------------------------------------------------------------------ process */
.proc-grid{display:grid;grid-template-columns:repeat(4,1fr);border-left:1px solid var(--line-dark)}
.proc{border-right:1px solid var(--line-dark);padding:8px 28px 0}
.proc .num{font-family:var(--mono);font-size:12px;color:var(--teal);letter-spacing:.14em;display:block;padding-top:22px;border-top:1px solid var(--line-dark);margin-bottom:18px;position:relative}
.proc .num::before{content:"";position:absolute;top:-1px;left:0;width:40px;height:1px;background:var(--teal)}
.proc h3{font-size:19px;font-weight:600;margin-bottom:12px}
.proc p{font-size:14px;color:rgba(255,255,255,.5)}

/* ------------------------------------------------------------------ workshop gallery */
.gal{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:220px;grid-auto-flow:dense;gap:12px}
.gal a{position:relative;overflow:hidden;background:var(--dark-2);display:block}
/* desen: 8 fotoda 3, 12 fotoda 5 tam satır doldurur */
.gal a:nth-child(1),.gal a:nth-child(7):nth-last-child(n+6){grid-column:span 2;grid-row:span 2}
.gal a:nth-child(4),.gal a:nth-child(10){grid-row:span 2}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease),opacity .4s}
.gal a:hover img{transform:scale(1.05);opacity:.85}
.gal .cap{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;background:linear-gradient(transparent,rgba(12,19,17,.85));color:#fff;font-size:10.5px;opacity:0;transform:translateY(8px);transition:all .3s}
.gal a:hover .cap,.gal a:focus .cap{opacity:1;transform:none}

/* ------------------------------------------------------------------ references */
.refs{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.refs-track{display:flex;width:max-content;animation:marquee 60s linear infinite}
.refs:hover .refs-track{animation-play-state:paused}
.ref{width:190px;height:110px;flex:none;display:flex;align-items:center;justify-content:center;padding:18px 26px;border-right:1px solid var(--line)}
.ref img{max-height:62px;width:auto;filter:grayscale(1);opacity:.6;transition:filter .3s,opacity .3s}
.ref:hover img{filter:none;opacity:1}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ------------------------------------------------------------------ CTA band */
.cta{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta .wrap{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:end}
.cta h2{font-size:clamp(32px,4.4vw,58px);line-height:1.05;font-weight:700}
.cta p{margin-top:20px;color:var(--mut);max-width:460px}
.cta .btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:8px}

/* ------------------------------------------------------------------ contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}
.c-item{padding:24px 0;border-bottom:1px solid var(--line)}
.c-item:first-child{border-top:1px solid var(--line)}
.c-item .mono{color:var(--mut);margin-bottom:8px;display:block}
.c-item a,.c-item .val{font-family:var(--disp);font-size:clamp(19px,2.1vw,25px);font-weight:600;color:var(--ink);transition:color .2s;letter-spacing:-.01em;line-height:1.3;display:inline-block}
.c-item .val.sm{font-size:17px;font-weight:500;font-family:var(--body);letter-spacing:0;line-height:1.55}
.c-item a:hover{color:var(--teal)}
.c-item .sub{display:block;font-size:14px;color:var(--mut);margin-top:4px}
.c-item .row{display:flex;flex-wrap:wrap;gap:6px 28px}
.form .grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 28px}
.form label{display:block;margin-bottom:24px}
.form .mono{color:var(--mut);display:block;margin-bottom:6px}
.form .mono i{color:var(--teal);font-style:normal}
.form input,.form textarea,.form select{width:100%;background:transparent;border:none;border-bottom:1px solid #C9CFCC;padding:10px 0;font-size:16px;color:var(--ink);outline:none;transition:border-color .25s;border-radius:0;-webkit-appearance:none;appearance:none}
.form select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%236B7A76' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 2px center;padding-right:24px;cursor:pointer}
.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--teal)}
.form textarea{resize:vertical;min-height:110px}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-foot{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.form-foot small{font-size:12.5px;color:var(--mut);max-width:300px;line-height:1.5}
.alert{padding:14px 18px;font-size:14.5px;margin-bottom:24px;border-left:3px solid}
.alert-ok{background:var(--teal-soft);border-color:var(--teal);color:var(--teal-deep)}
.alert-err{background:#FBEDEC;border-color:#C2412D;color:#8E2A1B}
.form .alert{display:none}
.form .alert.show{display:block}
.form button[disabled]{opacity:.6;pointer-events:none}
.map{margin-top:64px;border:1px solid var(--line);background:var(--paper-2);position:relative;aspect-ratio:21/8;min-height:320px}
.map iframe{position:absolute;inset:0;width:100%;height:100%;border:0;filter:grayscale(.9) contrast(1.05)}

/* ------------------------------------------------------------------ page hero (inner pages) */
.ph{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.ph .grid-bg{-webkit-mask-image:linear-gradient(90deg,transparent,#000 40%);mask-image:linear-gradient(90deg,transparent,#000 40%)}
.ph .wrap{position:relative;padding-top:64px;padding-bottom:60px;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:end}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;color:rgba(255,255,255,.45);font-size:10.5px;margin-bottom:22px;list-style:none}
.crumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:rgba(255,255,255,.25)}
.crumbs a:hover{color:#fff}
.crumbs li:last-child{color:var(--teal)}
.ph h1{font-size:clamp(34px,4.6vw,60px);font-weight:700;max-width:860px}
.ph p{margin-top:18px;color:rgba(255,255,255,.6);max-width:640px;font-size:17px}
.ph-meta{text-align:right;color:rgba(255,255,255,.35);font-size:10.5px;line-height:1.9}
.ph-meta b{color:var(--teal);font-weight:500}

/* ------------------------------------------------------------------ catalogue */
.cat-layout{display:grid;grid-template-columns:260px 1fr;gap:48px;align-items:start}
.cat-layout > *{min-width:0}
.cat-nav{position:sticky;top:calc(var(--hdr) + 24px)}
.cat-nav .mono{color:var(--mut);font-size:10.5px;display:block;margin-bottom:14px}
.cat-nav ul{list-style:none;border-top:1px solid var(--line)}
.cat-nav a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 0 13px 14px;border-bottom:1px solid var(--line);font-size:14.5px;font-weight:500;color:var(--ink-2);position:relative;transition:color .2s,padding .2s}
.cat-nav a::before{content:"";position:absolute;left:0;top:50%;width:5px;height:5px;margin-top:-2.5px;background:var(--line-2);transition:background .2s}
.cat-nav a:hover{color:var(--ink);padding-left:18px}
.cat-nav a[aria-current]{color:var(--ink)}
.cat-nav a[aria-current]::before{background:var(--teal)}
.cat-nav a span{font-family:var(--mono);font-size:10.5px;color:var(--mut)}
.cat-nav .help{margin-top:28px;background:var(--dark);color:#fff;padding:22px;position:relative;overflow:hidden}
.cat-nav .help p{font-family:var(--disp);font-weight:600;font-size:17px;line-height:1.3;margin:6px 0 16px}
.cat-nav .help .mono{color:var(--teal);margin:0}
.cat-nav .help a{border:none;padding:0;color:#fff;font-family:var(--disp);font-weight:600;display:inline-flex;gap:8px}
.cat-nav .help a::before{display:none}
.cat-nav .help a:hover{padding:0;color:var(--teal)}
.cat-intro{display:flex;justify-content:space-between;align-items:baseline;gap:20px;padding-bottom:20px;margin-bottom:28px;border-bottom:1px solid var(--line)}
.cat-intro p{color:var(--ink-2);max-width:620px}
.cat-intro .mono{color:var(--mut);font-size:10.5px;flex:none}
.chips{display:none;gap:8px;overflow-x:auto;padding-bottom:4px;margin-bottom:24px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chips a{flex:none;border:1px solid var(--line-2);padding:8px 14px;font-size:13.5px;font-weight:500;background:#fff;white-space:nowrap}
.chips a[aria-current]{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ------------------------------------------------------------------ product detail */
.pd{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:start}
.pd-gal{position:sticky;top:calc(var(--hdr) + 24px)}
.pd-main{position:relative;aspect-ratio:1;background:var(--paper-2);border:1px solid var(--line);overflow:hidden;cursor:zoom-in}
.pd-main img{width:100%;height:100%;object-fit:contain;transition:opacity .3s}
.pd-main img.render{padding:5%;mix-blend-mode:multiply}
.pd-main img.photo{object-fit:cover}
.pd-main .zoom{position:absolute;right:14px;bottom:14px;width:40px;height:40px;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-2)}
.pd-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:10px}
.pd-thumbs button{aspect-ratio:1;border:1px solid var(--line);background:var(--paper-2);cursor:pointer;padding:0;overflow:hidden;transition:border-color .2s}
.pd-thumbs button img{width:100%;height:100%;object-fit:cover}
.pd-thumbs button[aria-current]{border-color:var(--teal);box-shadow:inset 0 0 0 1px var(--teal)}
.pd-info .pc-cat{display:inline-block;margin-bottom:14px}
.pd-info h1{font-size:clamp(30px,3.4vw,44px);font-weight:700;margin-bottom:18px}
.pd-info .lead{font-size:17px;color:var(--ink-2);margin-bottom:28px}
.spec{width:100%;border-collapse:collapse;border-top:1px solid var(--ink);margin-bottom:28px}
.spec caption{text-align:left;color:var(--mut);font-size:10.5px;padding-bottom:10px}
.spec th,.spec td{text-align:left;padding:12px 0;border-bottom:1px solid var(--line);font-size:14.5px;vertical-align:top}
.spec th{font-weight:500;color:var(--mut);width:42%;padding-right:16px}
.spec td{font-weight:600;font-family:var(--disp);letter-spacing:-.005em}
.feat{list-style:none;display:grid;gap:10px;margin-bottom:32px}
.feat li{display:flex;gap:12px;font-size:15px;color:var(--ink-2)}
.feat svg{color:var(--teal);flex:none;margin-top:4px}
.pd-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pd-actions .btn{padding:15px 20px}
.pd-actions .btn-solid{grid-column:1/-1}
.pd-note{margin-top:20px;padding:16px 18px;background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--mut);display:flex;gap:12px}
.pd-note svg{color:var(--teal);flex:none;margin-top:2px}
.pd-body{display:grid;grid-template-columns:280px 1fr;gap:40px;margin-top:96px;padding-top:56px;border-top:1px solid var(--line)}
.pd-body .no{color:var(--mut)}
.pd-body .no b{color:var(--teal);font-weight:500}

/* rich text */
.prose{color:var(--ink-2);max-width:720px}
.prose p{margin-bottom:18px}
.prose h2,.prose h3{color:var(--ink);margin:32px 0 14px}
.prose h2{font-size:26px}.prose h3{font-size:20px}
.prose ul,.prose ol{margin:0 0 18px 20px}
.prose li{margin-bottom:6px}
.prose a{color:var(--teal);text-decoration:underline;text-underline-offset:3px}
.prose strong{color:var(--ink)}
.prose img{margin:24px 0}

/* ------------------------------------------------------------------ service detail */
.sd{display:grid;grid-template-columns:1fr 340px;gap:64px;align-items:start}
.sd-img{aspect-ratio:16/9;overflow:hidden;background:var(--dark-2);margin-bottom:40px}
.sd-img img{width:100%;height:100%;object-fit:cover}
.sd aside{position:sticky;top:calc(var(--hdr) + 24px);display:grid;gap:24px}
.box{border:1px solid var(--line);background:#fff;padding:24px}
.box .mono{color:var(--mut);font-size:10.5px;display:block;margin-bottom:12px}
.box ul{list-style:none}
.box li a{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14.5px;font-weight:500;color:var(--ink-2);transition:color .2s}
.box li:last-child a{border-bottom:none}
.box li a:hover,.box li a[aria-current]{color:var(--teal)}
.box.dark{background:var(--dark);color:#fff;border-color:var(--dark)}
.box.dark .mono{color:var(--teal)}
.box.dark p{font-family:var(--disp);font-size:20px;font-weight:600;line-height:1.25;margin-bottom:18px}
.box.dark a.tel{display:block;font-family:var(--disp);font-size:22px;font-weight:600;margin-bottom:16px}
.box.dark a.tel:hover{color:var(--teal)}
.scope{list-style:none;border-top:1px solid var(--line);margin:32px 0}
.scope li{display:grid;grid-template-columns:48px 1fr;padding:14px 0;border-bottom:1px solid var(--line);font-weight:500}
.scope li .mono{color:var(--teal);font-size:11px;padding-top:3px}

/* ------------------------------------------------------------------ faq */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{display:grid;grid-template-columns:60px 1fr 28px;gap:16px;align-items:center;padding:24px 0;cursor:pointer;list-style:none;font-family:var(--disp);font-weight:600;font-size:clamp(17px,1.7vw,21px);letter-spacing:-.01em;line-height:1.3}
.faq summary::-webkit-details-marker{display:none}
.faq summary .mono{color:var(--mut);font-size:11px;font-family:var(--mono);font-weight:400;letter-spacing:.14em}
.faq summary .pm{width:28px;height:28px;position:relative}
.faq summary .pm::before,.faq summary .pm::after{content:"";position:absolute;left:50%;top:50%;width:14px;height:1.5px;background:var(--ink);transform:translate(-50%,-50%);transition:transform .25s}
.faq summary .pm::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq details[open] summary .pm::after{transform:translate(-50%,-50%) rotate(0)}
.faq details[open] summary .mono{color:var(--teal)}
.faq .ans{padding:0 44px 28px 76px;color:var(--ink-2);max-width:820px}

/* ------------------------------------------------------------------ 404 */
.nf{min-height:60vh;display:flex;align-items:center}
.nf .code{font-family:var(--disp);font-weight:700;font-size:clamp(100px,18vw,220px);line-height:.9;letter-spacing:-.05em;color:transparent;-webkit-text-stroke:1.5px var(--line-2)}

/* ------------------------------------------------------------------ footer */
.ftr{background:var(--dark);color:rgba(255,255,255,.55)}
.f-top{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;gap:48px;padding:80px 0 56px;border-bottom:1px solid var(--line-dark)}
.f-brand img{height:52px;width:auto;margin-bottom:22px}
.f-brand p{font-size:14px;max-width:320px;margin-bottom:22px}
.social{display:flex;gap:8px}
.social a{width:40px;height:40px;border:1px solid var(--line-dark);display:flex;align-items:center;justify-content:center;transition:all .2s;color:rgba(255,255,255,.7)}
.social a:hover{background:var(--teal);border-color:var(--teal);color:#fff}
.ftr h4{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.35);margin-bottom:18px;font-weight:500}
.ftr ul{list-style:none}
.ftr ul li{margin-bottom:10px;font-size:14px;line-height:1.5}
.ftr ul a{transition:color .2s}
.ftr ul a:hover{color:#fff}
.f-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:26px 0;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.3)}

/* floating whatsapp */
.wa{position:fixed;right:20px;bottom:20px;z-index:70;width:54px;height:54px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px rgba(0,0,0,.2);transition:transform .25s}
.wa:hover{transform:scale(1.06)}

/* ------------------------------------------------------------------ lightbox */
.lb{position:fixed;inset:0;z-index:100;background:rgba(8,12,11,.94);display:none;align-items:center;justify-content:center;padding:64px 72px}
.lb.open{display:flex}
.lb img{max-width:100%;max-height:100%;object-fit:contain;background:#fff}
.lb img.photo{background:none}
.lb button{position:absolute;background:none;border:1px solid rgba(255,255,255,.25);color:#fff;width:48px;height:48px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s}
.lb button:hover{background:rgba(255,255,255,.1)}
.lb .x{top:16px;right:16px}
.lb .prev{left:16px;top:50%;margin-top:-24px}
.lb .next{right:16px;top:50%;margin-top:-24px}
.lb .cnt{position:absolute;top:28px;left:24px;color:rgba(255,255,255,.5);font-family:var(--mono);font-size:11px;letter-spacing:.14em}
.lb .cap{position:absolute;bottom:20px;left:0;right:0;text-align:center;color:rgba(255,255,255,.7);font-size:14px;padding:0 80px}

/* ------------------------------------------------------------------ responsive */
@media(max-width:1100px){
  .nav-links{gap:26px}
  .p-grid{grid-template-columns:repeat(3,1fr)}
  .cat-grid{grid-template-columns:repeat(3,1fr)}
  .f-top{grid-template-columns:1fr 1fr}
}
@media(max-width:1020px){
  .about-grid{grid-template-columns:1fr}
  .about-side{border-left:none;padding-left:0;flex-direction:row;flex-wrap:wrap;gap:28px 48px;border-top:1px solid var(--line);padding-top:32px}
  .pd{grid-template-columns:1fr;gap:40px}
  .pd-gal{position:static}
  .sd{grid-template-columns:1fr}
  .sd aside{position:static}
  .cat-layout{grid-template-columns:1fr}
  .cat-nav{display:none}
  .chips{display:flex}
}
@media(max-width:960px){
  .hero-main{grid-template-columns:1fr;padding-top:64px;padding-bottom:56px;gap:48px}
  .metrics .wrap{grid-template-columns:1fr 1fr}
  .hm{padding:20px 20px 20px 0}
  .hm:nth-child(odd){border-left:none;padding-left:0}
  .hm:nth-child(even){padding-left:20px}
  .hm:nth-child(n+3){border-top:1px solid var(--line-dark)}
  .contact-grid{grid-template-columns:1fr;gap:56px}
  .sec{padding:80px 0}
  .ph .wrap{grid-template-columns:1fr}
  .ph-meta{display:none}
  .pd-body{grid-template-columns:1fr;gap:16px;margin-top:64px}
}
@media(max-width:860px){
  :root{--hdr:68px}
  .logo img{height:38px}
  .nav-links{display:none;position:fixed;top:calc(var(--hdr) + var(--tb, 0px));left:0;right:0;bottom:0;background:var(--paper);flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 32px;overflow-y:auto;height:auto}
  .menu-open .nav-links{display:flex}
  .menu-open{overflow:hidden}
  /* backdrop-filter fixed menü için containing block oluşturur; açıkken kaldır */
  .menu-open .hdr{-webkit-backdrop-filter:none;backdrop-filter:none;background:var(--paper)}
  .nav-links > li{height:auto;display:block;border-bottom:1px solid var(--line)}
  .nav-links > li > a{display:flex;justify-content:space-between;padding:18px 0;font-size:18px;font-family:var(--disp);font-weight:600;color:var(--ink)}
  .nav-links > li > a::after{display:none}
  .nav-links .chev{display:none}
  .mega{position:static;transform:none;opacity:1;visibility:visible;width:auto;box-shadow:none;border:none;display:block;background:none;margin:-6px 0 12px}
  .has-mega:hover .mega{transform:none}
  .mega-list{grid-template-columns:1fr;padding:0}
  .mega-list a{grid-template-columns:40px 1fr auto;padding:10px 0}
  .mega-side{display:none}
  .nav-links .m-only{display:block;border:none;padding-top:24px}
  .nav-cta{display:none}
  .burger{display:block}
  .sec-head{grid-template-columns:1fr;gap:14px;margin-bottom:40px}
  .sec-head p{grid-column:1;margin-top:0}
  .sec-head .more{justify-self:start}
  .svc{grid-template-columns:48px 1fr;gap:8px 20px;align-items:baseline;padding:26px 4px}
  .svc p{grid-column:2}
  .svc .arr{display:none}
  .proc-grid{grid-template-columns:1fr 1fr}
  .proc{margin-bottom:40px}
  .cta .wrap{grid-template-columns:1fr;align-items:start}
  .p-grid,.p-grid.cols-3{grid-template-columns:repeat(2,1fr);gap:16px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  
  .gal{grid-template-columns:repeat(2,1fr);grid-auto-rows:170px}
  .faq .ans{padding:0 0 24px 76px}
}
@media(min-width:861px){.nav-links .m-only{display:none}}
@media(max-width:560px){
  .wrap{padding:0 16px}
  .topbar .wrap{height:34px}
  .topbar .brand-name{display:none}
  .hero h1{font-size:36px}
  .hv{padding:8px}
  .hv-cap{padding:16px}
  .hm b{font-size:26px}
  .p-grid,.p-grid.cols-3{grid-template-columns:1fr 1fr;gap:10px}
  .pc-body{padding:14px 12px 14px}
  .pc h3{font-size:15px}
  .pc p{display:none}
  .pc-foot{font-size:13px}
  .cat-grid{grid-template-columns:1fr 1fr}
  .cat{padding:14px}
  .cat h3{font-size:15px;padding-right:0}
  .cat .arr{display:none}
  .cat-img{margin:12px -14px 14px}
  .cat-cta p{font-size:18px}
  .proc-grid{grid-template-columns:1fr}
  .form .grid2{grid-template-columns:1fr}
  .pd-actions{grid-template-columns:1fr}
  .faq summary{grid-template-columns:36px 1fr 24px;gap:10px}
  .faq .ans{padding:0 0 22px 46px}
  .f-top{grid-template-columns:1fr;gap:36px;padding-top:56px}
  .lb{padding:56px 8px}
  .lb .prev,.lb .next{top:auto;bottom:12px;margin:0}
  .lb .cap{bottom:76px;padding:0 16px}
  .map{aspect-ratio:auto;height:320px}
  .ref{width:150px;height:90px;padding:14px 20px}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
}

.menu-open .wa{display:none}