/* =========================================================
   SARTEX — ortak tasarım sistemi
   Dünya: koyu, fırçalanmış metal. Gri-gümüş parlamalar, ince/kalın tipografi karşıtlığı.
   Renk yalnızca veride (grafik, artış) ve çok az yerde kullanılır.
   ========================================================= */
:root{
  --ink:#070708; --ink-2:#0b0b0d; --panel:#0f0f12; --panel-2:#141418;
  --line:#1e1e23; --line-2:#2b2b31;
  --fg:#ededf0; --muted:#a2a2ac; --dim:#7d7d88;
  --silver:#c9c9cf; --steel:#8e9bb5; --lilac:#cdc2d7;
  --up:#6ee0a8;           /* yalnızca artış / pozitif veri */
  --meta:#7b8cff; --gsc2:#a88bfa;
  /* küçük renk dokunuşları — yalnızca ikon, çizgi, ışık */
  --c1:#8b9cff; --c2:#5eead4; --c3:#f5a3c7;
  --f-sans:"Geist",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-alt:"Sora","Geist",ui-sans-serif,system-ui,sans-serif;
  --f-mono:"Geist Mono",ui-monospace,Menlo,Consolas,monospace;
  --max:1200px; --r:20px;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ink);color:var(--fg);font:16px/1.65 var(--f-sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
[hidden]{display:none!important}
img,svg{max-width:100%}
::selection{background:var(--silver);color:var(--ink)}
:focus-visible{outline:2px solid var(--silver);outline-offset:3px;border-radius:8px}
.wrap{max-width:var(--max);margin:0 auto;padding-inline:clamp(16px,4vw,40px)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Tipografi ---------- */
h1,h2,h3,h4{margin:0;font-family:var(--f-sans);text-wrap:balance;letter-spacing:-.035em;line-height:1.05}
.display{font-weight:300;font-size:clamp(40px,6.2vw,84px);line-height:1.02;letter-spacing:-.045em}
.display b,.h2 b{font-weight:600}
/* vurgu kelimeleri: italik yerine gradyanlı ikinci font */
.display em,.h2 em,.serif,h1 em,h2 em,.final h2 em{font-family:var(--f-alt);font-style:normal;font-weight:500;letter-spacing:-.04em;
  background:linear-gradient(100deg,#ffffff 0%,#d3d9ff 40%,#a9f0e2 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;padding-bottom:.1em}
.h2{font-weight:300;font-size:clamp(30px,4vw,54px);line-height:1.06;letter-spacing:-.04em}
.h3{font-weight:500;font-size:clamp(20px,2vw,24px);letter-spacing:-.025em;line-height:1.2}
.lead{font-size:clamp(16px,1.4vw,18px);color:var(--muted);max-width:52ch;line-height:1.6}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:500 12px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.eyebrow::before{content:"";width:18px;height:1px;background:linear-gradient(90deg,var(--c1),var(--c2))}
.mono{font-family:var(--f-mono)}

/* Parlayan metal yazı (Shiny Text) */
.shiny{display:inline-block;background-image:linear-gradient(120deg,#9a9aa2 0%,#9a9aa2 35%,#ffffff 50%,#9a9aa2 65%,#9a9aa2 100%);
  background-size:200% auto;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;
  animation:shiny 3s linear infinite;padding-bottom:.16em;margin-bottom:-.16em}
.shiny.slow{animation-duration:1.9s}
@keyframes shiny{0%{background-position:150% center}66%,100%{background-position:-50% center}}
/* Statik metal gradyan */
.metal{background:linear-gradient(180deg,#ffffff 0%,#d4d4da 45%,#8a8a93 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}

/* ---------- Zemin ---------- */
.bg{position:fixed;inset:0;z-index:-2;pointer-events:none;overflow:hidden;
  background:radial-gradient(60% 50% at 50% -10%,rgba(205,194,215,.10),transparent 70%),var(--ink)}
.bg::after{content:"";position:absolute;inset:0;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.cursor-glow{position:fixed;left:0;top:0;width:520px;height:520px;margin:-260px 0 0 -260px;border-radius:50%;pointer-events:none;z-index:-1;
  background:radial-gradient(circle,rgba(220,220,235,.06),transparent 65%);opacity:0;transition:opacity .4s}
@media (hover:hover){.cursor-glow{opacity:1}}

/* ---------- Butonlar ---------- */
/* Specular (metal kenar ışığı) buton — WebGL ile kenar parlaması site.js'de */
.spec{--sb-r:14px;position:relative;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 26px;
  border:0;border-radius:var(--sb-r);cursor:pointer;text-decoration:none;white-space:nowrap;
  font:500 15px/1 var(--f-sans);letter-spacing:.005em;color:#f5f5f7;
  background:linear-gradient(180deg,#1c1c20,#101013);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07),0 8px 24px rgba(0,0,0,.35);transition:transform .15s ease}
.spec:active{transform:scale(.97)}
.spec .fx{position:absolute;inset:-20px;pointer-events:none;z-index:1}
.spec .fx canvas{display:block;width:100%;height:100%}
.spec .lbl{position:relative;z-index:2;display:inline-flex;align-items:center;gap:10px}
.spec.nofx{box-shadow:inset 0 0 0 1px #3a3a41,inset 0 1px 0 rgba(255,255,255,.12),0 8px 24px rgba(0,0,0,.35)}
.spec.lg{min-height:56px;padding:0 32px;font-size:16px}
.spec.sm{min-height:42px;padding:0 18px;font-size:14px}
.spec.full{width:100%}
.spec svg{transition:transform .3s}
.spec:hover svg{transform:translateX(3px)}
/* Parlak metal (açık) buton */
.chrome{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 24px;border-radius:14px;text-decoration:none;white-space:nowrap;
  font:600 15px/1 var(--f-sans);color:#0b0b0d;border:0;cursor:pointer;overflow:hidden;
  background:linear-gradient(180deg,#ffffff 0%,#dcdce2 48%,#b9b9c2 52%,#e9e9ee 100%);
  box-shadow:inset 0 1px 0 #fff,inset 0 -1px 0 rgba(0,0,0,.25),0 10px 30px -10px rgba(255,255,255,.35);transition:box-shadow .3s,transform .15s}
.chrome::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 35%,rgba(255,255,255,.9) 50%,transparent 65%) -150% 0/250% 100% no-repeat;animation:sweep 3.8s ease-in-out infinite}
@keyframes sweep{0%,55%{background-position:-150% 0}100%{background-position:150% 0}}
.chrome:hover{box-shadow:inset 0 1px 0 #fff,inset 0 -1px 0 rgba(0,0,0,.25),0 14px 40px -8px rgba(255,255,255,.45)}
.chrome:active{transform:scale(.97)}
.ghost{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 18px;border-radius:14px;text-decoration:none;color:var(--fg);font:500 15px var(--f-sans);
  background:transparent;border:0;cursor:pointer;transition:color .2s}
.ghost .pl{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line-2);transition:border-color .3s,background .3s}
.ghost:hover .pl{border-color:var(--silver);background:rgba(255,255,255,.06)}

/* ---------- Menü ---------- */
.nav{position:fixed;top:calc(env(safe-area-inset-top,0px) + 14px);left:0;right:0;z-index:60;display:flex;justify-content:center;padding-inline:16px;pointer-events:none}
.nav-in{pointer-events:auto;width:min(100%,1120px);display:flex;align-items:center;gap:6px;padding:7px 7px 7px 20px;border-radius:18px;
  background:rgba(15,15,18,.62);border:1px solid rgba(255,255,255,.07);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);box-shadow:0 20px 50px -24px #000}
.logo{display:block;height:26px;flex:none;margin-right:auto}
@media (max-width:520px){.logo{height:22px}}
.logo img{height:100%;width:auto;display:block}
.links{display:flex;gap:2px;position:relative;align-items:center}
.links>a,.links>.dd>button{position:relative;z-index:1;display:inline-flex;align-items:center;gap:6px;text-decoration:none;font:500 14px var(--f-sans);color:var(--muted);
  padding:10px 13px;border-radius:10px;transition:color .25s;white-space:nowrap;background:none;border:0;cursor:pointer;min-height:40px}
.links>a:hover,.links>.dd>button:hover,.links>a[aria-current="page"],.links>.dd>button[aria-current="page"]{color:var(--fg)}
.links .hov{position:absolute;top:0;height:100%;border-radius:10px;background:rgba(255,255,255,.06);opacity:0;pointer-events:none;
  transition:transform .45s cubic-bezier(.3,1.4,.5,1),width .45s cubic-bezier(.3,1.4,.5,1),opacity .2s}
.dd{position:relative}
.dd svg{transition:transform .3s}
.dd.open svg{transform:rotate(180deg)}
.menu{position:absolute;top:calc(100% + 12px);left:-12px;width:560px;display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:8px;border-radius:18px;
  background:rgba(15,15,18,.92);border:1px solid var(--line-2);backdrop-filter:blur(18px);box-shadow:0 30px 60px -20px #000;
  opacity:0;transform:translateY(-6px);pointer-events:none;transition:opacity .25s,transform .25s}
.dd.open .menu{opacity:1;transform:none;pointer-events:auto}
.menu::before{content:"";position:absolute;left:0;right:0;top:-16px;height:16px}
.menu a{display:flex;gap:12px;padding:12px;border-radius:12px;text-decoration:none;transition:background .2s}
.menu a:hover{background:rgba(255,255,255,.05)}
.menu .mi{flex:none;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(180deg,#1c1c21,#121215);border:1px solid var(--line-2);color:var(--silver)}
.menu b{display:block;font-weight:500;font-size:14px}
.menu span{display:block;font-size:13px;color:var(--muted);line-height:1.4}
.lang{display:flex;border:1px solid var(--line-2);border-radius:10px;padding:3px;font:500 12px var(--f-mono);margin-left:4px}
.lang a{display:grid;place-items:center;text-decoration:none;color:var(--muted);padding:0 9px;min-height:30px;border-radius:7px}
.lang a[aria-pressed="true"]{background:var(--fg);color:var(--ink)}
.mlang{display:flex;gap:8px;padding-top:18px}
.mnav .mlang a{font:500 15px var(--f-sans);border:1px solid var(--line-2);border-radius:999px;padding:8px 16px}
.mnav .mlang a[aria-pressed="true"]{background:var(--fg);color:var(--ink)}
.nav .spec{margin-left:4px}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-2);background:none;color:var(--fg);cursor:pointer;place-items:center}
@media (max-width:1060px){.links,.nav .spec,.lang{display:none}.burger{display:grid}}
.mnav{position:fixed;inset:0;z-index:55;background:rgba(7,7,8,.96);backdrop-filter:blur(14px);padding:100px 24px 40px;overflow:auto;display:grid;align-content:start;gap:2px}
.mnav a{font:300 clamp(28px,8vw,40px)/1.2 var(--f-sans);letter-spacing:-.03em;text-decoration:none;padding:10px 0;border-bottom:1px solid var(--line)}
.mnav .sub{display:grid;grid-template-columns:1fr 1fr;gap:4px 16px;padding:10px 0 14px;border-bottom:1px solid var(--line)}
.mnav .sub a{font:400 16px var(--f-sans);border:0;padding:8px 0;color:var(--muted)}

/* ---------- Bölüm düzeni ---------- */
section{padding-block:clamp(64px,9vw,120px)}
.shead{display:grid;grid-template-columns:1fr auto;align-items:end;gap:20px 48px;margin-bottom:clamp(36px,5vw,56px)}
.shead>*{min-width:0}
.shead .eyebrow{margin-bottom:18px}
.shead p{margin:0;color:var(--muted);max-width:42ch}
.center{text-align:center;justify-items:center}
.center .lead{margin-inline:auto}
@media (max-width:780px){.shead{grid-template-columns:1fr}}

/* Kart temeli: fırçalanmış metal panel + imleç spotu */
.panel{--mx:50%;--my:50%;position:relative;border-radius:var(--r);background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);overflow:hidden}
.panel::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(420px circle at var(--mx) var(--my),rgba(255,255,255,.07),transparent 45%);opacity:0;transition:opacity .3s}
.panel:hover::before{opacity:1}
.panel::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;padding:1px;
  background:radial-gradient(260px circle at var(--mx) var(--my),rgba(255,255,255,.35),transparent 60%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .3s}
.panel:hover::after{opacity:1}

/* Canlı nokta */
.live{display:inline-flex;align-items:center;gap:7px;font:500 11px var(--f-mono);letter-spacing:.06em;color:var(--up);text-transform:uppercase}
.live i{width:7px;height:7px;border-radius:50%;background:var(--up);animation:ping 2s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(110,224,168,.55)}80%,100%{box-shadow:0 0 0 9px transparent}}
.tag{font:500 10px var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--dim);border:1px dashed var(--line-2);padding:4px 8px;border-radius:6px;white-space:nowrap}

/* ---------- Footer (hover footer) ---------- */
.foot{position:relative;margin:clamp(40px,6vw,80px) clamp(8px,2vw,24px) 16px;border-radius:32px;overflow:hidden;border:1px solid var(--line)}
.foot-bg{position:absolute;inset:0;z-index:0;background:radial-gradient(125% 125% at 50% 10%,rgba(11,11,13,.5) 50%,rgba(205,194,215,.16) 100%)}
.foot-in{position:relative;z-index:2;padding:clamp(32px,5vw,56px) clamp(20px,5vw,56px) 0}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.fgrid>*{min-width:0}
.fgrid .brand img{height:20px;width:auto;display:block}
.fgrid .brand p{color:var(--muted);font-size:14px;max-width:34ch;margin:18px 0 0}
.fgrid h4{font:500 15px var(--f-sans);letter-spacing:-.01em;margin:0 0 18px;color:var(--fg)}
.fgrid ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.fgrid a{text-decoration:none;color:var(--muted);font-size:15px;transition:color .2s}
.fgrid a:hover{color:var(--fg)}
.fgrid .c li{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:15px}
.fgrid .c svg{flex:none;color:var(--silver)}
.fgrid .dot{position:relative}
.fgrid .dot::after{content:"";position:absolute;top:2px;right:-10px;width:6px;height:6px;border-radius:50%;background:var(--up);animation:ping 2s infinite}
.fbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;margin-top:40px;font-size:14px;color:var(--dim)}
.social{display:flex;gap:8px}
.social a{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;border:1px solid var(--line-2);color:var(--muted);transition:color .2s,border-color .2s}
.social a:hover{color:var(--fg);border-color:var(--silver)}
.bigmark{position:relative;z-index:1;display:block;margin:10px auto 0;padding-bottom:clamp(16px,3vw,36px);width:100%;padding-inline:clamp(12px,3vw,40px);cursor:crosshair}
.bigmark svg{display:block;width:100%;height:auto;overflow:visible}
@media (max-width:900px){.fgrid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.fgrid{grid-template-columns:1fr}}

/* WhatsApp */
.wa{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:50;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;color:#fff;
  background:linear-gradient(180deg,#2bd46d,#1ea655);box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 12px 30px -8px rgba(37,211,102,.6)}

/* Giriş animasyonu: içerik hiç görünmez başlamaz */
.rv{will-change:transform}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}html{scroll-behavior:auto}}
/* Ana sayfa: şeffaf, metal halkalı ikon buton */
@property --hb{syntax:'<angle>';inherits:false;initial-value:0deg}
@keyframes hbspin{to{--hb:360deg}}
.links>a.homeb{width:38px;height:38px;min-height:38px;flex:none;padding:0;margin-right:6px;border-radius:50%;justify-content:center;background:transparent;color:#d4d4da}
.homeb .hb-ring{position:absolute;inset:0;border-radius:50%;pointer-events:none;padding:1.3px;
  background:conic-gradient(from var(--hb),#5c5c66 0deg,#8e8e98 40deg,#ffffff 70deg,#a9a9b3 95deg,#55555e 150deg,#7a7a84 200deg,#e9e9ee 245deg,#8a8a94 270deg,#55555e 320deg,#5c5c66 360deg);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0);animation:hbspin 5s linear infinite}
.homeb svg{position:relative;z-index:1;transition:transform .4s cubic-bezier(.2,1,.3,1)}
.homeb:hover svg{transform:scale(1.08)}
.homeb:hover .hb-ring,.homeb[aria-current="page"] .hb-ring{filter:drop-shadow(0 0 4px rgba(255,255,255,.35))}