:root{
  --ink:#0d1214;--ink2:#3d4b4f;--muted:#7a8a8d;
  --bg:#f5f7f6;--card:#fff;--line:#e5e9e7;
  --acc:#0f9d6e;--acc-deep:#0a7d57;--mint:#e7f7f0;--neg:#c14b4b;
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--bg)}
body{font-family:'Inter',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased;min-height:100vh}
.wrap{max-width:880px;margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;line-height:1.14;letter-spacing:-.02em}
.mono{font-family:'JetBrains Mono',monospace}
a{color:var(--acc-deep)}
img{max-width:100%}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:100;font-size:14px}
.skip:focus{left:0}

/* header */
header.nav{border-bottom:1px solid var(--line);background:var(--card);position:sticky;top:0;z-index:20}
.nav .bar{display:flex;align-items:center;justify-content:space-between;height:60px;max-width:880px;margin:0 auto;padding:0 20px}
.logo{display:flex;align-items:center;gap:9px;font-family:'Space Grotesk';font-weight:700;font-size:19px;color:var(--ink);text-decoration:none}
.logo .mark{width:28px;height:28px;border-radius:8px;background:var(--acc);display:grid;place-items:center;color:#fff;font-family:'JetBrains Mono';font-weight:700;font-size:16px;transform:rotate(-4deg)}
.tabs{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:60px;z-index:19}
.tabs .row{display:flex;gap:2px;max-width:880px;margin:0 auto;padding:0 14px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.tabs .row::-webkit-scrollbar{display:none}
.tab{white-space:nowrap;text-decoration:none;padding:14px 12px;font-weight:600;font-size:14px;color:var(--muted);border-bottom:2.5px solid transparent}
.tab:hover{color:var(--ink2)}
.tab.on{color:var(--acc-deep);border-bottom-color:var(--acc)}

/* hero */
.hero{padding:34px 0 8px}
.hero .tag{display:inline-flex;align-items:center;gap:6px;background:var(--mint);color:var(--acc-deep);font-family:'JetBrains Mono';font-size:12px;padding:5px 12px;border-radius:20px;margin-bottom:14px}
.hero .tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--acc)}
.hero h1{font-size:clamp(24px,4.6vw,34px);font-weight:700}
.hero p.lede{color:var(--ink2);margin-top:10px;font-size:15.5px;max-width:620px}

.crumb{font-size:12.5px;color:var(--muted);padding:14px 0 0;font-family:'JetBrains Mono'}
.crumb a{color:var(--muted);text-decoration:none}

.ad{background:var(--card);border:1px dashed #d3d9d6;border-radius:12px;min-height:90px;display:grid;place-items:center;color:#b3bcb8;font-family:'JetBrains Mono';font-size:12px;margin:20px 0;text-align:center}
.ad.rect{min-height:250px}

/* calc */
.calc{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 1px 3px rgba(13,18,20,.04),0 12px 40px rgba(13,18,20,.06)}
.seg{display:inline-flex;background:#eef1ef;border-radius:11px;padding:4px;gap:4px;margin-bottom:18px;flex-wrap:wrap}
.seg button{border:none;background:transparent;padding:8px 15px;border-radius:8px;font-weight:600;font-size:13px;color:var(--muted);cursor:pointer}
.seg button.on{background:var(--card);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.08)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:15px}
label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;color:var(--ink2)}
.hint{font-size:12px;color:var(--muted);font-weight:400}
.field{position:relative}
.field .cur{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-family:'JetBrains Mono';font-size:14px;pointer-events:none}
input,select{width:100%;font-family:'JetBrains Mono';font-size:16px;padding:12px 14px;border:1.5px solid var(--line);border-radius:11px;background:#fbfcfb;color:var(--ink)}
input:focus,select:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px rgba(15,157,110,.12)}
select{font-family:'Inter';font-size:14px}
.err{color:var(--neg);font-size:13px;margin-top:10px;display:none}
.err.show{display:block}
.btn{margin-top:18px;width:100%;background:var(--acc);color:#fff;border:none;border-radius:11px;padding:15px;font-family:'Space Grotesk';font-weight:600;font-size:16px;cursor:pointer;transition:background .15s,transform .05s}
.btn:hover{background:var(--acc-deep)}.btn:active{transform:scale(.99)}
.live{display:flex;align-items:center;gap:8px;margin-top:14px;font-family:'JetBrains Mono';font-size:12px;color:var(--muted)}
.live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acc);flex:none}
@media(max-width:560px){.grid2,.grid3{grid-template-columns:1fr}}

.result{margin-top:22px;display:none}.result.show{display:block;animation:fade .3s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.netbox{background:var(--ink);border-radius:16px;padding:22px;text-align:center;color:#fff;position:relative;overflow:hidden}
.netbox::after{content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;background:radial-gradient(circle,rgba(15,157,110,.35),transparent 70%);pointer-events:none}
.netbox .lbl{font-family:'JetBrains Mono';font-size:12.5px;color:#9fb0ac;position:relative}
.netbox .big{font-family:'Space Grotesk';font-weight:700;font-size:clamp(28px,7vw,46px);margin-top:6px;position:relative}
.netbox .big .u{color:var(--acc);font-size:.5em;margin-left:4px}
.rows{margin-top:15px;border:1px solid var(--line);border-radius:13px;overflow:hidden}
.row{display:flex;justify-content:space-between;gap:12px;padding:11px 16px;font-size:14px;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:none}
.row span:first-child{color:var(--ink2)}
.row.total{background:var(--mint);font-weight:700;font-size:15px}
.row.note{background:#fafbfa;color:var(--muted);font-size:12.5px;font-family:'JetBrains Mono'}
.neg{color:var(--neg)}
.tblwrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;margin-top:15px;font-size:13px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
th,td{padding:10px 12px;text-align:right;border-bottom:1px solid var(--line)}
th:first-child,td:first-child{text-align:left}
th{font-family:'Space Grotesk';font-weight:600;font-size:12px;background:#f3f6f4;color:var(--ink2)}
tr:last-child td{border-bottom:none}
td.mono{font-family:'JetBrains Mono'}
.tblnote{font-size:12.5px;color:var(--muted);margin-top:9px}
.actions{display:flex;gap:8px;margin-top:12px}
.actions button{flex:1;background:#fff;border:1.5px solid var(--line);border-radius:10px;padding:10px;font-weight:600;font-size:13px;color:var(--ink2);cursor:pointer}
.actions button:hover{border-color:var(--acc);color:var(--acc-deep)}
.disc{background:#fdf6e9;border:1px solid #f0dcae;border-radius:11px;padding:12px 15px;font-size:12.5px;color:#83621f;margin-top:15px}
.updated{font-size:12px;color:var(--muted);font-family:'JetBrains Mono';margin-top:14px}

section.info{padding:8px 0}
section.info h2{font-size:21px;margin:24px 0 10px}
section.info h3{font-size:16px;margin:16px 0 5px}
section.info p{margin-bottom:10px;color:var(--ink2);font-size:14.5px}
section.info ol,section.info ul{margin:0 0 10px 20px;color:var(--ink2);font-size:14.5px}
section.info li{margin-bottom:5px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.chip{background:var(--card);border:1px solid var(--line);border-radius:9px;padding:7px 12px;font-size:13px;font-family:'JetBrains Mono';color:var(--ink2)}
.chip b{color:var(--acc-deep)}
.faq{border:1px solid var(--line);border-radius:13px;background:var(--card);overflow:hidden;margin-top:8px}
details{padding:14px 16px;border-bottom:1px solid var(--line)}details:last-child{border-bottom:none}
summary{font-weight:600;cursor:pointer;font-size:15px;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--acc);font-family:'JetBrains Mono';font-size:18px}
details[open] summary::after{content:"−"}
details .law{margin-top:10px;font-size:13.5px;color:var(--ink);background:#f7faf8;border-left:3px solid var(--acc);padding:12px 14px;border-radius:0 8px 8px 0;white-space:pre-line}
details .src{margin-top:8px;font-size:12.5px;font-family:'JetBrains Mono'}
.lawbanner{background:var(--ink);color:#fff;border-radius:13px;padding:16px 18px;font-size:13.5px;margin-bottom:16px}
.lawbanner b{color:var(--acc)}

/* related links */
.related{margin-top:22px}
.related h2{font-size:18px;margin-bottom:10px}
.related .links{display:flex;flex-wrap:wrap;gap:8px}
.related a{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:8px 14px;font-size:13.5px;text-decoration:none;color:var(--ink2)}
.related a:hover{border-color:var(--acc);color:var(--acc-deep)}

/* tool grid on home */
.toolgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:8px}
.toolcard{display:block;text-decoration:none;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px;transition:border-color .15s,transform .1s}
.toolcard:hover{border-color:var(--acc);transform:translateY(-2px)}
.toolcard h3{font-size:17px;margin-bottom:4px}
.toolcard p{font-size:13px;color:var(--muted)}
@media(max-width:560px){.toolgrid{grid-template-columns:1fr}}

/* content pages */
.doc{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 28px;margin-top:8px}
.doc h2{font-size:19px;margin:20px 0 8px}.doc h2:first-child{margin-top:0}
.doc p,.doc li{color:var(--ink2);font-size:14.5px;margin-bottom:10px}
.doc ul{margin-left:20px}

/* 404 */
.nf{text-align:center;padding:60px 0 20px}
.nf .code{font-family:'JetBrains Mono';font-size:64px;font-weight:700;color:var(--acc)}

footer{border-top:1px solid var(--line);background:var(--card);padding:26px 0;margin-top:32px;font-size:13px;color:var(--muted)}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px;max-width:880px;margin:0 auto;padding:0 20px}
.foot h4{font-family:'Space Grotesk';font-size:13px;color:var(--ink);margin-bottom:10px}
.foot a{display:block;color:var(--ink2);text-decoration:none;margin-bottom:6px;font-size:13px}
.foot a:hover{color:var(--acc-deep)}
.foot .copy{grid-column:1/-1;border-top:1px solid var(--line);padding-top:14px;margin-top:6px;font-size:12px}
@media(max-width:560px){.foot{grid-template-columns:1fr 1fr}}

/* cookie banner */
#cookie{position:fixed;left:16px;right:16px;bottom:16px;max-width:820px;margin:0 auto;background:var(--ink);color:#fff;border-radius:14px;padding:16px 18px;display:none;z-index:50;box-shadow:0 10px 40px rgba(0,0,0,.25)}
#cookie.show{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
#cookie p{font-size:13px;flex:1;min-width:220px}
#cookie a{color:var(--acc)}
#cookie .cbtns{display:flex;gap:8px}
#cookie button{border:none;border-radius:9px;padding:9px 16px;font-weight:600;font-size:13px;cursor:pointer}
#cookie .acc{background:var(--acc);color:#fff}
#cookie .rej{background:#2a3336;color:#cdd6d4}

/* ===== yazdırma / PDF ===== */
@media print{
  header.nav,.tabs,.ad,.actions,.btn,.seg,#cookie,footer,.crumb,.related,.skip{display:none!important}
  html,body{background:#fff!important}
  .wrap{max-width:none;padding:0}
  .calc{border:none;box-shadow:none;padding:0}
  .result{display:block!important}
  .netbox{background:#fff!important;color:#000!important;border:2px solid #0d1214;text-align:left}
  .netbox::after{display:none}
  .netbox .lbl{color:#555!important}
  .netbox .big .u{color:#0a7d57!important}
  .rows,table,.disc{break-inside:avoid}
  details{break-inside:avoid}
  details:not([open]) p{display:none}
  a[href^="http"]::after{content:" (" attr(href) ")";font-size:10px;color:#666}
  @page{margin:16mm}
}