:root{
  --bg:#0a0a0a; --panel:#111210; --panel-2:#16171410; --ink:#e8e4d8;
  --dim:#8a8778; --line:#26251f; --accent:#e8e4d8; --accent-ink:#0a0a0a;
  --radius:10px; --mono:"SFMono-Regular",ui-monospace,"JetBrains Mono",Menlo,Consolas,monospace;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0}
body{
  background:var(--bg); color:var(--ink); font-family:var(--sans);
  line-height:1.5; -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(circle at 1px 1px,#ffffff08 1px,transparent 0);
  background-size:4px 4px;
}
a{color:inherit}
h1,h2{letter-spacing:-.02em}

.site-header{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 24px; border-bottom:1px solid var(--line); position:sticky; top:0;
  background:#0a0a0acc; backdrop-filter:blur(8px); z-index:5;
}
.brand{display:flex; align-items:center; gap:10px; font-family:var(--mono); font-weight:700; letter-spacing:.08em}
.brand-mark{width:16px;height:16px;display:inline-block;
  background:
    radial-gradient(circle at 25% 25%,var(--ink) 1.2px,transparent 1.4px) 0 0/4px 4px,
    var(--bg);
  border:1px solid var(--line)}
.brand-text .dim{color:var(--dim); margin-left:4px}
.site-nav{display:flex; gap:20px; font-size:14px; font-family:var(--mono)}
.site-nav a{color:var(--dim); text-decoration:none}
.site-nav a:hover{color:var(--ink)}

.hero{position:relative; overflow:hidden; padding:0; border-bottom:1px solid var(--line)}
.hero-canvas{
  position:absolute; inset:0; width:100%; height:100%;
  image-rendering:pixelated; z-index:0; opacity:.9;
}
.hero::after{ /* dithered vignette + okunabilirlik için karartma */
  content:""; position:absolute; inset:0; z-index:1; pointer-events:none;
  background:
    radial-gradient(120% 90% at 50% 40%, transparent 40%, #0a0a0a 92%),
    linear-gradient(180deg, #0a0a0a55 0%, transparent 30%, transparent 60%, #0a0a0a 100%);
}
.hero-inner{
  position:relative; z-index:2; max-width:760px; margin:0 auto;
  padding:52px 24px 44px; text-align:center;
}
.eyebrow{font-family:var(--mono); letter-spacing:.34em; font-size:12px; color:var(--dim); margin:0 0 14px}
.hero h1{font-size:clamp(30px,5vw,52px); margin:0 0 14px; text-shadow:0 2px 30px #0a0a0a}
.lede{color:var(--ink); opacity:.82; font-size:clamp(15px,2vw,18px); max-width:600px; margin:0 auto}
.lede strong{color:var(--ink); opacity:1}
.hero-cta{display:inline-block; margin-top:26px; text-decoration:none; padding:12px 22px}

.studio{
  display:grid; grid-template-columns:320px 1fr; gap:20px;
  max-width:1180px; margin:24px auto; padding:0 24px; align-items:start;
}
.controls{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  padding:18px; display:flex; flex-direction:column; gap:18px; position:sticky; top:82px;
}
.drop{border:1px dashed var(--line); border-radius:var(--radius); padding:20px; text-align:center; transition:.15s}
.drop.drag{border-color:var(--ink); background:#ffffff08}
.hint{color:var(--dim); font-size:13px; margin:10px 0 0}
.linkbtn{background:none;border:0;color:var(--ink);text-decoration:underline;cursor:pointer;font:inherit;padding:0}

fieldset.group{border:0; padding:0; margin:0}
legend{font-family:var(--mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--dim); margin-bottom:8px; padding:0}

.segmented{display:grid; grid-template-columns:repeat(4,1fr); gap:6px}
.seg{font-family:var(--mono); font-size:13px; padding:9px 0; background:var(--panel); color:var(--dim);
  border:1px solid var(--line); border-radius:7px; cursor:pointer; transition:.12s}
.seg:hover{color:var(--ink)}
.seg.on{background:var(--accent); color:var(--accent-ink); border-color:var(--accent); font-weight:600}
.depth-note{font-size:12px; color:var(--dim); margin:8px 0 0; min-height:1.2em}

select{width:100%; background:var(--panel); color:var(--ink); border:1px solid var(--line);
  border-radius:7px; padding:9px 10px; font:inherit; font-size:14px}

.palettes{display:flex; flex-wrap:wrap; gap:8px}
.sw{width:34px; height:34px; border-radius:7px; cursor:pointer; border:2px solid var(--line);
  background:linear-gradient(135deg,var(--a) 0 50%,var(--b) 50% 100%)}
.sw.on{border-color:var(--ink)}
.legend .dim,legend .dim{color:var(--dim); font-weight:400}
.custom-pal{display:flex; gap:14px; margin-top:12px}
.custom-pal label{display:flex; align-items:center; gap:8px; font-size:12px; color:var(--dim); font-family:var(--mono)}
.custom-pal input[type=color]{width:34px; height:34px; padding:0; border:1px solid var(--line);
  border-radius:7px; background:none; cursor:pointer}
.custom-pal input[type=color]::-webkit-color-swatch{border:0; border-radius:5px}
.custom-pal input[type=color]::-webkit-color-swatch-wrapper{padding:2px}
#paletteGroup.disabled{opacity:.4}
#paletteGroup.disabled .palettes,#paletteGroup.disabled .custom-pal{pointer-events:none}
#paletteGroup.disabled .depth-note{opacity:1}

.sliders label{display:block; font-size:13px; color:var(--dim); margin-bottom:14px}
.sliders label span{float:right; font-family:var(--mono); color:var(--ink)}
.sliders label.check{display:flex; align-items:center; gap:8px; margin-bottom:0}
input[type=range]{width:100%; margin-top:6px; accent-color:var(--ink)}
input[type=checkbox]{accent-color:var(--ink)}

.actions{display:flex; gap:10px}
.btn{font:inherit; font-size:14px; padding:11px 16px; border-radius:8px; cursor:pointer; border:1px solid var(--line); background:var(--panel); color:var(--ink); flex:1}
.btn.primary{background:var(--accent); color:var(--accent-ink); border-color:var(--accent); font-weight:600}
.btn.primary:disabled{opacity:.4; cursor:not-allowed}
.btn.ghost:hover,.btn.primary:not(:disabled):hover{filter:brightness(1.08)}

.canvas-wrap{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  min-height:420px; display:flex; align-items:center; justify-content:center; padding:20px; overflow:auto;
  background-image:linear-gradient(45deg,#ffffff06 25%,transparent 25%,transparent 75%,#ffffff06 75%),
    linear-gradient(45deg,#ffffff06 25%,transparent 25%,transparent 75%,#ffffff06 75%);
  background-size:20px 20px; background-position:0 0,10px 10px;
}
canvas{max-width:100%; image-rendering:pixelated; display:none; box-shadow:0 8px 40px #0008}
.empty{color:var(--dim); font-family:var(--mono); font-size:14px}

/* dithered ayraç: yoğunluğu azalan Bayer nokta bandı */
.dither-rule{
  height:64px; margin:8px 0; border:0;
  background-image:
    radial-gradient(circle at 1px 1px, var(--ink) 1px, transparent 1.3px);
  background-size:5px 5px;
  -webkit-mask-image:linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent);
          mask-image:linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent);
  opacity:.22;
}

.about{max-width:720px; margin:32px auto; padding:0 24px}
.about h2{font-size:24px; margin:0 0 12px}
.about p{margin:0 0 14px}
.depths{list-style:none; padding:0; display:grid; grid-template-columns:repeat(2,1fr); gap:10px; margin:16px 0}
.depths li{border:1px solid var(--line); border-radius:8px; padding:12px 14px; font-size:14px; color:var(--dim)}
.depths b{color:var(--ink); font-family:var(--mono)}
.credit a{color:var(--ink)}

.site-footer{border-top:1px solid var(--line); padding:28px 24px; text-align:center; color:var(--dim); font-size:14px; margin-top:40px}
.site-footer a{color:var(--ink)}
.fine{font-size:12px; opacity:.7; margin-top:6px}

@media (max-width:820px){
  .studio{grid-template-columns:1fr}
  .controls{position:static}
  .depths{grid-template-columns:1fr}
}