/* SAKA V3 - temel: renk sistemi, tipografi, düzen, menü, hero, footer */
:root{
  --black:#05070A; --black2:#090D12; --graphite:#11161D; --navy:#0E1B2A;
  --blue:#173A5E; --blue2:#1D4B75; --accent:#2B6396; --accent-text:#7FA9D1;
  --steel:#A7B0BA; --muted:#7D8792; --text:#F3F5F7; --text2:#98A2AD;
  --line:rgba(255,255,255,.10); --line2:rgba(167,176,186,.26);
  /* hareket: tek dil. --ease mevcut simetrik eğri; giriş/çıkış için güçlü ease-out, ekranda hareket için ease-in-out */
  --ease:cubic-bezier(.65,0,.35,1);
  --ease-out:cubic-bezier(.23,1,.32,1);
  --ease-in-out:cubic-bezier(.77,0,.175,1);
  --t-hover:.22s; --t-ui:.32s;
  --nav-h:84px; --wrap:min(1680px,92vw);
  --f-head:'Space Grotesk','Inter',system-ui,'Segoe UI',sans-serif;
  --f-body:'Manrope','Inter',system-ui,'Segoe UI',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:auto;scrollbar-color:var(--blue2) var(--black);scrollbar-width:thin}
body{margin:0;background:var(--black);color:var(--text);font:400 clamp(15px,.35vw + 13px,17px)/1.7 var(--f-body);overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
/* hafif film greni: düz dijital yüzeyi kırar, koyu geçişlerde bantlanmayı önler */
body::after{content:"";position:fixed;inset:0;z-index:9800;pointer-events:none;opacity:.045;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
::selection{background:var(--blue2);color:var(--text)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--black)}
::-webkit-scrollbar-thumb{background:var(--blue);border:3px solid var(--black)}
::-webkit-scrollbar-thumb:hover{background:var(--blue2)}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
p{margin:0 0 1em}
address{font-style:normal}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid #7FA9D1;outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--text);color:var(--black);padding:8px 14px;z-index:10000}
.skip:focus{left:8px}
main{overflow-x:clip}
main:focus{outline:none}
[id]{scroll-margin-top:calc(var(--nav-h) + 16px)}
.wrap{width:var(--wrap);margin-inline:auto}

h1,h2,h3,h4{font-family:var(--f-head);margin:0;font-weight:600;line-height:1.03;letter-spacing:-.005em;text-transform:uppercase;text-wrap:balance}
.display{font-size:clamp(2.1rem,5vw,5.4rem);letter-spacing:-.015em}
.h2{font-size:clamp(1.45rem,3.3vw,3.4rem)}
.h3{font-size:clamp(1.2rem,1.6vw,1.7rem)}
.lead{font-size:clamp(1.02rem,.5vw + .9rem,1.22rem);color:var(--steel);max-width:62ch;line-height:1.7}
p{color:var(--text2);max-width:66ch;text-wrap:pretty}
/* satır maskesi: Türkçe büyük harf işaretleri (İ Ü Ö Ğ Ş Ç) kırpılmasın diye üstte pay */
.ln{display:block;overflow:hidden;padding:.16em 0 .08em;margin:-.16em 0 -.01em}
.ln>span{display:block}
b,.stats b,.tl__badge b{font-variant-numeric:tabular-nums}

.sec{padding-block:clamp(64px,9vw,150px);position:relative}
.sec-no{display:flex;align-items:center;gap:12px;font:500 .72rem var(--f-head);letter-spacing:.2em;color:var(--steel);margin-bottom:clamp(18px,2vw,32px)}
.sec-no em{font-style:normal;color:var(--accent-text)}
.sec-no i{display:block;height:1px;width:clamp(40px,8vw,120px);background:linear-gradient(90deg,var(--accent),transparent);transform-origin:left}
/* Dekoratif sıra numaralarını gizle, ölçülerini koru ki sayfa yerleşimi değişmesin. */
.sec-no>span:first-child,.sec-no>em,.nav__n,.boot__read b,
.principles__n,.content-stack__n,.capitem__no,.capcap b,.tl__no,.sector__n,.scene__no,.stage__no,
.cap__pts>li>span:first-child,.cap__big,.cap__node>span:first-child,.mx__no,
.proc__rail b,.qline__st-no,.mp__stage button>span:first-child,.mcard__maker b,.scene__maker b{visibility:hidden!important}

/* butonlar: hover'da renk soldan sağa "talaş geçişi" gibi dolar; basınca hafif çöker */
.btn{--bg:var(--blue2);--fill:var(--accent);position:relative;isolation:isolate;overflow:hidden;display:inline-flex;align-items:center;gap:16px;padding:16px 26px;background:var(--bg);border:1px solid var(--accent);color:var(--text);font:600 .76rem var(--f-head);letter-spacing:.14em;text-transform:uppercase;transition:border-color var(--t-hover) ease,transform .16s var(--ease-out)}
.btn::before{content:"";position:absolute;inset:-1px;z-index:-1;background:var(--fill);transform:scaleX(0);transform-origin:right;transition:transform .42s var(--ease-in-out)}
.btn:active{transform:scale(.97)}
.btn__ar{position:relative;width:22px;height:1px;background:currentColor;transition:width .32s var(--ease-out)}
.btn__ar::after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg)}
.btn--ghost{--bg:transparent;--fill:rgba(23,58,94,.6);border-color:var(--line2)}
.btn--sm{padding:11px 18px;font-size:.7rem}
.btn--block{width:100%;justify-content:space-between}
.btn.is-busy{pointer-events:none}
.btn.is-busy::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:40%;background:var(--steel);animation:busy 1.1s var(--ease-in-out) infinite}
@media (hover:hover) and (pointer:fine){
  .btn:hover{border-color:var(--accent)}
  .btn:hover::before{transform:scaleX(1);transform-origin:left}
  .btn:hover .btn__ar{width:32px}
  .btn--ghost:hover{border-color:var(--steel)}
}
.more{display:inline-flex;align-items:center;gap:12px;font:600 .72rem var(--f-head);letter-spacing:.16em;color:var(--text)}
.more i{display:block;width:26px;height:1px;background:var(--accent);transform-origin:left;transition:transform .32s var(--ease-out)}
@media (hover:hover) and (pointer:fine){.more:hover i{transform:scaleX(2.1)}}

/* üst menü */
.hdr{position:fixed;inset:0 0 auto 0;z-index:100;height:var(--nav-h);border-bottom:1px solid transparent;transition:height .4s var(--ease),background .4s,border-color .4s,translate .5s var(--ease-in-out)}
.hdr.is-scrolled{height:64px;background:rgba(9,13,18,.78);-webkit-backdrop-filter:blur(14px) saturate(120%);backdrop-filter:blur(14px) saturate(120%);border-bottom-color:var(--line)}
.hdr.is-hidden{translate:0 -101%}
.hdr__prog{position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;opacity:0;transition:opacity .4s}
.hdr.is-scrolled .hdr__prog{opacity:1}
.hdr__in{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;flex-direction:column;line-height:1;z-index:3}
.brand__mark{font:700 1.55rem var(--f-head);letter-spacing:.22em}
.brand__sub{font:500 .56rem var(--f-head);letter-spacing:.26em;color:var(--steel);margin-top:6px}
.nav{display:flex;align-items:center;gap:clamp(18px,2.2vw,40px)}
.nav__list{display:flex;gap:clamp(14px,1.7vw,32px)}
.nav__n{display:none}
.nav__link{position:relative;display:inline-block;padding:10px 0;font:500 .7rem var(--f-head);letter-spacing:.13em;color:var(--steel);opacity:.9;transition:color var(--t-hover) ease,opacity var(--t-hover) ease}
/* alt çizgi soldan girer, sağdan çıkar */
.nav__link::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:right;transition:transform .36s var(--ease-in-out)}
.nav__link.is-active{color:var(--text);opacity:1}
.nav__link.is-active::after{transform:scaleX(1);height:2px}
@media (hover:hover) and (pointer:fine){
  .nav__link:hover{color:var(--text);opacity:1}
  .nav__link:hover::after{transform:scaleX(1);transform-origin:left}
}
.burger{display:none;width:44px;height:44px;position:relative;z-index:3}
.burger span{position:absolute;left:10px;right:10px;height:1.5px;background:var(--text);transition:transform .4s var(--ease),top .4s var(--ease)}
.burger span:first-child{top:18px}.burger span:last-child{top:25px}
.menu-open .burger span:first-child{top:21px;transform:rotate(45deg)}
.menu-open .burger span:last-child{top:21px;transform:rotate(-45deg)}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;padding-top:calc(var(--nav-h) + 24px);overflow:hidden;isolation:isolate}
.hero__media{position:absolute;inset:0;z-index:-1;will-change:translate}
.hero__media .vis{position:absolute;inset:0;border:0;aspect-ratio:auto}
.hero__vis::before,.hero__vis::after{display:none}
.hero__vis .vis__fb>*{display:none}
.hero__vis .vis__fb{background-size:80px 80px;background-image:linear-gradient(rgba(43,99,150,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(43,99,150,.07) 1px,transparent 1px)}
.hero__video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.2s ease}
.hero__video.is-ready{opacity:1}
.hero__shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,7,10,.92) 0%,rgba(5,7,10,.62) 48%,rgba(5,7,10,.35) 100%),linear-gradient(0deg,var(--black) 0%,transparent 38%)}
.hero__grid{position:absolute;inset:0;background-image:linear-gradient(rgba(43,99,150,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(43,99,150,.10) 1px,transparent 1px);background-size:80px 80px;mask-image:linear-gradient(90deg,#000,transparent 75%);-webkit-mask-image:linear-gradient(90deg,#000,transparent 75%)}
.hero__in{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(240px,.5fr);gap:clamp(24px,5vw,90px);align-items:end;padding-block:clamp(24px,min(5vw,5vh),70px)}
.hero__label{display:flex;align-items:center;gap:14px;font:600 .74rem var(--f-head);letter-spacing:.26em;color:var(--steel);margin-bottom:clamp(16px,min(2.4vw,3vh),34px)}
.hero__label i{width:44px;height:1px;background:var(--accent)}
.hero__h1{font-size:clamp(2rem,min(6.6vw,8.6vh),7.4rem);letter-spacing:-.02em;line-height:.98}
.hero__sub{margin:clamp(16px,min(2.4vw,3vh),36px) 0 12px;font:500 clamp(.85rem,1.1vw,1.1rem)/1.6 var(--f-head);letter-spacing:.2em;color:var(--text);max-width:none}
.hero__desc{max-width:58ch;color:var(--steel)}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:clamp(16px,min(2.4vw,3vh),34px)}
.hero__tags{display:grid;gap:10px}
.hero__tags li{display:flex;align-items:center;gap:14px;padding:14px 18px;border:1px solid var(--line2);background:rgba(9,13,18,.55);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);font:600 .72rem var(--f-head);letter-spacing:.16em;color:var(--text);transition:border-color var(--t-hover) ease,background-color var(--t-hover) ease}
.hero__tags .ico{color:var(--accent);flex:none}
@media (hover:hover) and (pointer:fine){.hero__tags li:hover{border-color:var(--accent);background:rgba(14,27,42,.82)}}
/* hero CAM katmanı */
.hero__cam{position:absolute;z-index:0;right:calc((100vw - var(--wrap)) / 2);top:calc(var(--nav-h) + 3vh);width:min(44vw,760px,(100svh - var(--nav-h)) * .7);height:auto;color:var(--accent);pointer-events:none;overflow:visible;opacity:0;transition:opacity 1.2s ease}
.hero__cam.is-on{opacity:1}
.hero__cam text{font:500 9px var(--f-head);letter-spacing:.18em;fill:var(--muted);stroke:none}
.cam__wcs path,.cam__wcs circle{stroke:var(--steel);stroke-width:1;opacity:.7}
.cam__wcs text{fill:var(--steel)}
.cam__seg{fill:none;stroke-linecap:round;stroke-linejoin:round;transition:opacity .7s ease,stroke .5s ease}
.cam__seg--feed{stroke:var(--accent);stroke-width:1.6;opacity:0!important}
.cam__seg--feed.is-cut{stroke:#5B8DBE;opacity:0!important}
.cam__seg--rapid{stroke:var(--steel);stroke-width:.8;opacity:0}
.cam__seg--rapid.is-done{opacity:0}
.hero__cam.is-reset .cam__seg{opacity:0}

/* sayfa başlığı */
.ph{position:relative;padding-top:calc(var(--nav-h) + clamp(40px,6vw,100px));padding-bottom:clamp(28px,4vw,60px);background:radial-gradient(1200px 500px at 85% 0%,var(--navy),transparent 70%),var(--black)}
.ph__grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(28px,5vw,90px);align-items:center}
.ph__grid--text{grid-template-columns:minmax(0,1fr)}
.ph__grid--text .ph__txt{max-width:980px}
.ph__vis{position:relative}
.ph__img{--ar:5/4}
.ph__img--panorama{--ar:16/9}
.ph__bp{position:absolute;right:-6%;bottom:-12%;width:58%;color:rgba(167,176,186,.55);pointer-events:none}
.ph__tags{display:flex;flex-wrap:wrap;gap:0;margin-top:clamp(36px,5vw,70px);border-top:1px solid var(--line2)}
.ph__tags li{padding:14px 26px 0 0;margin-right:26px;font:500 .68rem var(--f-head);letter-spacing:.22em;color:var(--steel)}

/* CTA */
.cta{padding-block:clamp(48px,7vw,110px)}
.cta__in{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:28px;padding:clamp(28px,4vw,64px);border:1px solid var(--line2);background:linear-gradient(120deg,var(--navy),var(--black2));position:relative;overflow:hidden}
.cta__in::before{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:var(--accent);transform-origin:top}
.cta__in::after{content:"";position:absolute;right:-1px;top:-1px;width:min(38%,460px);height:calc(100% + 2px);pointer-events:none;background-image:linear-gradient(rgba(43,99,150,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(43,99,150,.12) 1px,transparent 1px);background-size:28px 28px;-webkit-mask-image:linear-gradient(90deg,transparent,#000);mask-image:linear-gradient(90deg,transparent,#000)}
.cta__in>*{position:relative;z-index:1}
.cta p{margin:14px 0 0}

/* footer */
.ftr{border-top:1px solid var(--line2);background:var(--black2);margin-top:clamp(20px,4vw,60px)}
.ftr__in{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-block:clamp(40px,5vw,72px)}
.ftr strong{display:block;font:600 .7rem var(--f-head);letter-spacing:.2em;color:var(--steel);margin-bottom:14px;text-transform:uppercase}
.ftr a,.ftr address{display:block;color:var(--text2);font-size:.95rem;margin-bottom:6px;transition:color var(--t-hover) ease}
.ftr a:hover{color:var(--text)}
.ftr__brand p{margin-top:18px;font-size:.92rem}
.ftr__logo{display:flex;align-items:center}
.ftr__logo img{display:block;width:min(100%,220px);height:auto}
.ftr__bar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding-block:20px;border-top:1px solid var(--line);font:500 .66rem var(--f-head);letter-spacing:.18em;color:var(--muted)}
/* dokunmatik: küçük bağlantılarda yeterli dokunma alanı */
@media (pointer:coarse){.ftr a{padding-block:9px;margin-bottom:0}.more{min-height:44px}}