@font-face{font-family:"General Sans";src:url(/assets/fonts/GeneralSans-Variable.woff2) format("woff2");font-weight:200 700;font-display:swap}
@font-face{font-family:"Clash Display";src:url(/assets/fonts/ClashDisplay-Variable.woff2) format("woff2");font-weight:200 700;font-display:swap}
@font-face{font-family:"RX 100";src:url(/assets/fonts/RX100-Regular.woff2) format("woff2");font-weight:400;font-display:swap}

:root{
  --font-sans:"General Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"RX 100",ui-monospace,"Cascadia Mono",Consolas,monospace;
  --fs-body:1.0625rem;--lh-body:1.58;
  --fs-display:clamp(2.4rem,5.6vw,4.6rem);--lh-display:1.02;--ls-display:-.035em;
  --fs-h2:clamp(1.8rem,3.4vw,2.6rem);
  --text-1:#161616;--text-2:#4a4a48;--text-3:#7a7a76;--text-4:#a9a8a3;
  --bg:#f4f3f1;--surface:#fff;--alt:#ebeae6;--line:rgba(0,0,0,.09);--line-2:rgba(0,0,0,.16);
  --accent:#ff4f12;--accent-ink:#fff;
  --stage:#e6e4df;--glow:rgba(255,255,255,.75);--grid:rgba(0,0,0,.05);
  --r-1:2px;--r-2:4px;--r-3:8px;--r-pill:999px;
  --ease-out:cubic-bezier(.16,1,.3,1);--dur-1:.18s;--dur-2:.3s;
  --container:1280px;--prose:624px;--gut:clamp(16px,4vw,40px);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --text-1:#ecebe8;--text-2:#b4b3ae;--text-3:#86857f;--text-4:#5d5c58;
  --bg:#0f0f0e;--surface:#171716;--alt:#141413;--line:rgba(255,255,255,.09);--line-2:rgba(255,255,255,.16);
  --stage:#1a1a19;--glow:rgba(255,255,255,.07);--grid:rgba(255,255,255,.035);
  color-scheme:dark}}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text-1);font:400 var(--fs-body)/var(--lh-body) var(--font-sans);
  font-feature-settings:"ss01";-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{margin:0;font-weight:560;letter-spacing:-.02em;line-height:1.15}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.mono{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.02em;text-transform:uppercase}
.muted{color:var(--text-3)}
.wrap{max-width:var(--container);margin:0 auto;padding:0 var(--gut)}
.skip{position:absolute;left:-999px;top:8px;background:var(--text-1);color:var(--bg);padding:8px 12px;z-index:99}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* header */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 86%,transparent);
  backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:560;letter-spacing:-.01em}
.brand{font-family:"Clash Display",var(--font-sans)}
.mark{font:600 1.35rem/1 "Clash Display",var(--font-sans);color:var(--accent);letter-spacing:-.02em}
.brand .name{font:500 1.1rem/1 "Clash Display",var(--font-sans);letter-spacing:.005em;color:var(--text-1)}
nav{display:flex;gap:clamp(12px,2.4vw,28px);font-size:.95rem}
nav a{text-decoration:none;color:var(--text-2);transition:color var(--dur-1)}
nav a:hover{color:var(--text-1)}
nav .lang{font:400 .74rem var(--font-mono);text-transform:uppercase;border:1px solid var(--line-2);padding:4px 8px;border-radius:var(--r-1);align-self:center}
@media (max-width:560px){nav a:not(.lang):not([href$="#work"]){display:none}.brand span:last-child{display:none}}

/* hero */
.hero{padding:clamp(48px,9vw,120px) 0 clamp(40px,6vw,80px);border-bottom:1px solid var(--line)}
.hero-in{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.kicker{color:var(--accent);margin-bottom:22px}
h1{font-size:var(--fs-display);line-height:var(--lh-display);letter-spacing:var(--ls-display);font-weight:540;max-width:13ch}
.lead{font-size:clamp(1.06rem,1.4vw,1.2rem);color:var(--text-2);max-width:var(--prose);margin-top:22px}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.btn{display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 20px;border:1px solid var(--line-2);
  border-radius:var(--r-2);text-decoration:none;font-weight:520;background:var(--surface);
  transition:transform var(--dur-1) var(--ease-out),background var(--dur-1),border-color var(--dur-1)}
.btn:hover{transform:translateY(-1px);border-color:var(--text-1)}
.btn.primary{background:var(--text-1);color:var(--bg);border-color:var(--text-1)}
.btn.primary:hover{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.hero-art{position:relative;aspect-ratio:1/1;border:1px solid var(--line);overflow:hidden;
  background:radial-gradient(60% 55% at 50% 52%,var(--glow),transparent 72%),
    linear-gradient(var(--grid) 1px,transparent 1px) -1px -1px/40px 40px,
    linear-gradient(90deg,var(--grid) 1px,transparent 1px) -1px -1px/40px 40px,var(--stage)}
.hero-img{position:absolute;inset:9%;width:82%;height:82%;object-fit:contain;opacity:0;transform:scale(.96) translateY(6px);
  filter:drop-shadow(0 30px 40px rgba(0,0,0,.28));transition:opacity .9s var(--ease-out),transform 1.2s var(--ease-out)}
.hero-img.on{opacity:1;transform:none}
.hero-img.h0{opacity:1;transform:none}
.hero-art .dim{position:absolute;left:14px;bottom:12px;color:var(--text-3)}
.hero-art::after{content:"";position:absolute;right:14px;top:14px;width:22px;height:22px;
  border-top:1px solid var(--accent);border-right:1px solid var(--accent)}
/* görsel sahnesi: renderlar şeffaf, ışıklı zemin; teknik resimler kâğıt gibi */
:root .card-img,:root .d-cover,:root .shot{background:radial-gradient(70% 65% at 50% 55%,var(--glow),transparent 75%),var(--stage);border-color:var(--line)}
.card-img img,.d-cover img,.shot img{filter:drop-shadow(0 18px 22px rgba(0,0,0,.22))}
:root .paper img{background:#fff;filter:none;box-shadow:0 1px 0 rgba(0,0,0,.06),0 14px 30px rgba(0,0,0,.25);object-fit:contain;
  padding:0;width:auto;height:auto;max-width:86%;max-height:84%;margin:auto;position:relative;top:50%;transform:translateY(-50%)}
.card a:hover .paper img{transform:translateY(-50%) scale(1.03)}
.shot.paper:hover img{transform:translateY(-50%) scale(1.03)}
.hero-in>*,.about>*,.d-grid>*,.sec-head>*{min-width:0}
@media (max-width:860px){.hero-in{grid-template-columns:1fr}.hero-art{aspect-ratio:4/3}}

/* sections */
.sec{padding:clamp(64px,9vw,128px) 0}
.sec.alt{background:var(--alt);border-block:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:end;margin-bottom:28px}
h2{font-size:var(--fs-h2);letter-spacing:-.03em;font-weight:540}
@media (max-width:760px){.sec-head{grid-template-columns:1fr}}

.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.chip-btn{font:400 .74rem var(--font-mono);text-transform:uppercase;letter-spacing:.03em;color:var(--text-2);
  background:transparent;border:1px solid var(--line-2);border-radius:var(--r-pill);padding:8px 14px;cursor:pointer;
  transition:background var(--dur-1),color var(--dur-1),border-color var(--dur-1)}
.chip-btn:hover{border-color:var(--text-1);color:var(--text-1)}
.chip-btn[aria-pressed=true]{background:var(--text-1);color:var(--bg);border-color:var(--text-1)}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.card{background:var(--bg)}
.card[hidden]{display:none}
.card a{display:flex;flex-direction:column;height:100%;text-decoration:none;padding:14px;transition:background var(--dur-2)}
.card a:hover{background:var(--surface)}
.card-img{margin:0;aspect-ratio:4/3;background:var(--surface);border:1px solid var(--line);overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:contain;padding:6%;transition:transform .6s var(--ease-out)}
.card a:hover .card-img img{transform:scale(1.035)}
.card-body{padding:18px 4px 6px;display:flex;flex-direction:column;gap:8px;flex:1}
.idx{color:var(--text-3)}
.card h3{font-size:1.28rem;letter-spacing:-.02em}
.card p{color:var(--text-2);font-size:.97rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:6px}
.chips li{font:400 .7rem var(--font-mono);text-transform:uppercase;letter-spacing:.02em;color:var(--text-2);
  border:1px solid var(--line-2);border-radius:var(--r-1);padding:3px 7px}
.note{color:var(--text-3);margin-top:20px;text-transform:none;letter-spacing:0}

/* about */
.about{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(32px,6vw,96px)}
.about-l{position:sticky;top:96px;align-self:start}
.prose{max-width:var(--prose);margin-top:20px;color:var(--text-2)}
.prose:first-of-type{color:var(--text-1);font-size:1.12rem}
.label{color:var(--text-3);margin:40px 0 14px;font-weight:400;font-size:.76rem}
.about-r .label:first-child{margin-top:0}
.row{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:18px 0;border-top:1px solid var(--line-2)}
.when{color:var(--text-3);padding-top:3px}
.row h4{font-size:1.06rem;font-weight:540}
.row .muted{font-size:.94rem;margin-top:2px}
.dash li{position:relative;padding-left:18px;margin-top:8px;color:var(--text-2);font-size:.97rem}
.dash li::before{content:"";position:absolute;left:0;top:.75em;width:9px;height:1px;background:var(--accent)}
.skills{display:grid;grid-template-columns:1fr 1fr;gap:4px 28px}
.skills .label{margin:12px 0 0}
.langs li{display:flex;justify-content:space-between;padding:12px 0;border-top:1px solid var(--line-2)}
@media (max-width:860px){.about{grid-template-columns:1fr}.about-l{position:static}}
@media (max-width:520px){.row{grid-template-columns:1fr;gap:6px}.skills{grid-template-columns:1fr}}

/* contact */
.contact h2{font-size:var(--fs-display);line-height:var(--lh-display);letter-spacing:var(--ls-display);max-width:14ch}
.spec{margin:36px 0 0;max-width:720px}
.spec div{display:grid;grid-template-columns:140px 1fr;gap:16px;padding:14px 0;border-top:1px solid var(--line-2)}
.spec dt{font:400 .76rem var(--font-mono);text-transform:uppercase;color:var(--text-3);padding-top:3px}
.spec dd{margin:0;overflow-wrap:anywhere}
.spec a{text-decoration-color:var(--accent);text-underline-offset:3px}

.foot{border-top:1px solid var(--line);padding:28px 0;color:var(--text-3);font-size:.9rem}
.foot-in{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}
.foot .mono{text-transform:none;letter-spacing:0}

/* detail */
.detail{padding:clamp(28px,4vw,48px) 0 clamp(64px,8vw,112px)}
.crumb{display:inline-block;color:var(--text-3);text-decoration:none;margin-bottom:clamp(28px,5vw,56px)}
.crumb:hover{color:var(--accent)}
.d-head h1{max-width:18ch}
.d-cover{margin:clamp(32px,5vw,56px) 0 0;aspect-ratio:16/9;background:var(--surface);border:1px solid var(--line)}
.d-cover img{width:100%;height:100%;object-fit:contain;padding:4%}
.d-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:clamp(32px,6vw,96px);margin-top:clamp(40px,6vw,72px)}
.d-grid .label{margin-top:0}
.d-grid aside .label+.chips{margin-bottom:28px}
.specs li{padding:13px 0;border-top:1px solid var(--line-2);font-size:.98rem;color:var(--text-1);
  font-variant-numeric:tabular-nums}
.specs li:last-child{border-bottom:1px solid var(--line-2)}
@media (max-width:860px){.d-grid{grid-template-columns:1fr}}
.gal-sec{margin-top:clamp(48px,7vw,88px)}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:20px 16px}
.shot{display:block;width:100%;aspect-ratio:4/3;padding:0;border:1px solid var(--line);background:var(--surface);cursor:zoom-in;overflow:hidden}
.shot img{width:100%;height:100%;object-fit:contain;padding:5%;transition:transform .5s var(--ease-out)}
.shot:hover img{transform:scale(1.04)}
.cap{display:block;margin-top:8px;color:var(--text-3);text-transform:none;letter-spacing:0;font-size:.74rem}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-2);border:1px solid var(--line-2);margin-top:clamp(56px,8vw,96px)}
.pn a{display:flex;flex-direction:column;gap:6px;padding:22px;background:var(--bg);text-decoration:none;font-size:1.15rem;font-weight:520;transition:background var(--dur-1)}
.pn a:hover{background:var(--surface)}
.pn .r{text-align:right;align-items:flex-end}

/* lightbox */
.lb{border:0;padding:0;max-width:100vw;max-height:100vh;width:100vw;height:100vh;background:rgba(10,10,10,.94);color:#eee}
.lb::backdrop{background:rgba(0,0,0,.6)}
.lb[open]{display:grid;grid-template-columns:64px 1fr 64px;align-items:center}
.lb figure{margin:0;display:flex;flex-direction:column;align-items:center;gap:12px;height:100%;justify-content:center;padding:24px 0}
.lb img{max-width:100%;max-height:calc(100vh - 110px);object-fit:contain;background:#fff}
.lb figcaption{color:#aaa;text-transform:none;letter-spacing:0}
.lb button{background:none;border:0;color:#eee;font-size:1.6rem;cursor:pointer;height:64px}
.lb button:hover{color:var(--accent)}
.lb-x{position:absolute;top:8px;right:8px;width:56px}
@media (max-width:600px){.lb[open]{grid-template-columns:40px 1fr 40px}}

/* reveal */
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease-out),transform .6s var(--ease-out)}
.js .reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}

/* bitirme projeleri */
.thesis{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.th{display:grid;grid-template-columns:200px 1fr;gap:20px;align-items:start;padding:16px;border:1px solid var(--line);background:var(--surface)}
.th video{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--stage);display:block}
.th h3{font-size:1.12rem;margin:6px 0 6px}
.th p{color:var(--text-2);font-size:.93rem}
.tlink{display:inline-block;margin-top:12px;color:var(--accent);text-decoration:none;text-transform:none;letter-spacing:0;font-size:.8rem}
.tlink:hover{text-decoration:underline}
.thesis-sec{padding-top:0}
@media (max-width:980px){.thesis{grid-template-columns:1fr}}
@media (max-width:520px){.th{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.th video{display:none}.th{grid-template-columns:1fr}}

/* 3B görüntüleyici */
.play3d{position:absolute;left:50%;bottom:44px;transform:translateX(-50%);z-index:3;font:500 .95rem var(--font-sans);
  background:var(--accent);color:#fff;border:0;border-radius:var(--r-pill);padding:12px 20px;cursor:pointer;
  box-shadow:0 10px 30px rgba(255,79,18,.35);transition:transform var(--dur-1) var(--ease-out)}
.play3d:hover{transform:translateX(-50%) translateY(-2px)}
.hero-art.live .play3d,.hero-art.live .dim,.hero-art.live::after{display:none}
.v3d-frame{position:absolute;inset:0;width:100%;height:100%;border:0;z-index:2;background:var(--stage)}
.v3d-sec{margin-top:clamp(40px,6vw,72px)}
.v3d{aspect-ratio:16/9}
@media (max-width:860px){.v3d{aspect-ratio:1/1}}