/* Net Hesap */
:root{--ink:#172322;--muted:#5b6b69;--line:#dfe6e3;--bg:#f6f5f0;--card:#fff;--deep:#0f3d3e;--deep2:#15514f;--gold:#f2c14e;--gold-d:#c9971f;--acc:#1b7a6e;--soft:#eaf3f0;--warn-s:#fdf3dc}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--acc)}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.ic{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
/* üst */
.top{background:var(--deep);color:#fff;position:sticky;top:0;z-index:5}
.top-in{display:flex;align-items:center;gap:24px;height:58px}
.brand{display:flex;align-items:center;gap:9px;color:#fff;text-decoration:none;font-weight:800;font-size:18px;white-space:nowrap}
.logo{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--gold);color:var(--deep);font-size:24px;font-weight:900;line-height:1}
.top nav{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;font-size:14px;margin-left:auto}
.top nav::-webkit-scrollbar{display:none}
.top nav a{color:#cfe1dc;text-decoration:none;padding:6px 10px;border-radius:7px;white-space:nowrap}
.top nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
.top nav a[aria-current]{color:var(--deep);background:var(--gold);font-weight:700}
/* ana sayfa */
.hero{background:linear-gradient(180deg,var(--deep),var(--deep2));color:#fff;padding:56px 0 88px}
.kicker{margin:0 0 8px;font-size:13px;font-weight:700;letter-spacing:1.3px;text-transform:uppercase;color:var(--gold)}
.hero h1{margin:0 0 12px;font-size:clamp(32px,5vw,50px);line-height:1.1;letter-spacing:-.5px;max-width:720px}
.hero .lead{color:#d4e5e0;max-width:640px}
.lead{font-size:clamp(16.5px,2vw,18.5px);color:var(--muted);margin:0 0 24px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin-top:-56px}
.card{display:flex;flex-direction:column;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;text-decoration:none;color:var(--ink);box-shadow:0 6px 22px rgba(15,61,62,.07);transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(15,61,62,.13)}
.card .ic{width:30px;height:30px;color:var(--acc);margin-bottom:4px}
.card b{font-size:18px}
.card span{color:var(--muted);font-size:14.5px;line-height:1.5}
.note{margin-top:48px;margin-bottom:56px}
.note h2{font-size:24px;margin:0 0 14px}
.why{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.why p{margin:0;background:var(--soft);border-radius:12px;padding:16px 18px;font-size:15px}
/* araç sayfası */
.tool{padding-top:26px;padding-bottom:56px}
.crumb{font-size:14px;color:var(--muted);margin-bottom:6px}
.crumb a{color:var(--muted)}
.tool h1{font-size:clamp(28px,4vw,38px);line-height:1.15;margin:0 0 10px;letter-spacing:-.3px}
.tool .lead{max-width:760px}
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;align-items:start}
.calc.single{grid-template-columns:minmax(0,760px)}
.calc-form,.calc-out{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}
.calc-out{position:sticky;top:76px;background:var(--deep);color:#e6f1ee;border-color:var(--deep)}
.calc-out .empty{color:#9fc2ba;margin:0}
.calc-out h3{font-size:16px;margin:20px 0 6px;color:#fff;border-top:1px solid rgba(255,255,255,.15);padding-top:16px}
.calc-out h3 small{font-weight:400;color:#9fc2ba}
.r{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px solid rgba(255,255,255,.09);font-size:15px}
.r span{color:#b9d3cc}
.r b{text-align:right;font-variant-numeric:tabular-nums;font-weight:600;color:#fff}
.r b small{font-weight:400;color:#9fc2ba}
.r.big b{font-size:22px;font-weight:800;color:var(--gold);white-space:nowrap}
.r.big span{color:#fff;font-weight:600;align-self:center}
.calc-out .hint{margin:12px 0 0;font-size:14px;color:#b9d3cc}
.calc-out .hint b{color:var(--gold)}
.calc-out .warn{background:rgba(242,193,78,.15);color:#fff;padding:10px 12px;border-radius:8px}
.mini{margin-top:12px;font-size:14px}
.mini summary{cursor:pointer;color:var(--gold)}
.mini ul{margin:8px 0 0;padding-left:18px}
/* alanlar */
.fld{display:block;margin:0 0 16px}
.fld>span:first-child{display:block;font-weight:600;font-size:14.5px;margin-bottom:6px}
.fld small{display:block;color:var(--muted);font-size:13px;margin-top:5px;line-height:1.45}
.in{display:flex;align-items:center;border:1.5px solid #cbd6d2;border-radius:10px;background:#fff;transition:border-color .15s,box-shadow .15s}
.in:focus-within{border-color:var(--acc);box-shadow:0 0 0 3px rgba(27,122,110,.15)}
.in input{flex:1;min-width:0;border:0;outline:0;background:transparent;font:inherit;font-size:17px;font-weight:600;color:var(--ink);padding:11px 12px;font-variant-numeric:tabular-nums}
.in i{font-style:normal;color:var(--muted);padding-right:12px;font-weight:600}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.seg{border:0;padding:0;margin:0 0 16px}
.seg legend{font-weight:600;font-size:14.5px;margin-bottom:6px;padding:0}
.seg>div{display:flex;background:#eef2f0;border-radius:10px;padding:4px;gap:4px}
.seg label{flex:1;position:relative}
.seg input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.seg span{display:block;text-align:center;padding:8px 6px;border-radius:7px;font-size:14.5px;font-weight:600;color:var(--muted);white-space:nowrap}
.seg input:checked+span{background:#fff;color:var(--deep);box-shadow:0 1px 4px rgba(0,0,0,.12)}
.seg input:focus-visible+span{outline:2px solid var(--acc);outline-offset:1px}
.sub{font-size:17px;margin:28px 0 12px;padding-top:20px;border-top:1px solid var(--line)}
.calc-form output{display:block}
.calc-form output:not(:empty){background:var(--deep);border-radius:12px;padding:8px 18px 10px;margin:0 0 6px;color:#e6f1ee}
/* yüzde */
.pct{padding:14px 0;border-bottom:1px solid var(--line)}
.pct:last-of-type{border-bottom:0}
.pct p{display:flex;flex-wrap:wrap;align-items:flex-end;gap:8px 10px;margin:0}
.pct .fld{margin:0;width:150px}
.pct .fld>span:first-child{font-size:12.5px;color:var(--muted);font-weight:500;margin-bottom:3px}
.pct p>span{padding-bottom:12px;font-weight:600}
.pct output{display:block;margin-top:8px;font-size:17px;min-height:1px}
.pct output b{color:var(--acc);font-size:21px}
.calc-form .pct output:not(:empty){background:none;padding:0;color:var(--ink)}
/* geniş tablo */
.calc-wide{margin-top:20px}
.calc-wide:empty{display:none}
.wide-h{font-size:20px;margin:8px 0 10px}
.tblwrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:12px}
.tbl{width:100%;border-collapse:collapse;font-size:14.5px}
.tbl th,.tbl td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.tbl th{background:#f0f4f2;font-size:13px;color:var(--muted);font-weight:700}
.tbl.num td:not(:first-child),.tbl.num th:not(:first-child){text-align:right;font-variant-numeric:tabular-nums}
.tbl tfoot td{font-weight:700;background:#f7faf9;border-bottom:0}
.plan summary{cursor:pointer;font-weight:700;color:var(--acc);padding:10px 0}
/* anlatım */
.prose{max-width:760px;margin-top:44px}
.prose h2{font-size:23px;margin:34px 0 10px;letter-spacing:-.2px}
.prose p,.prose li{color:#2e3d3b}
.prose .tbl{background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden;border-collapse:separate;border-spacing:0;margin:10px 0}
.prose .tbl tr:last-child td{border-bottom:0}
.formula{background:var(--soft);border-left:4px solid var(--acc);padding:12px 16px;border-radius:0 10px 10px 0;font-weight:600}
.formula small{font-weight:400;color:var(--muted)}
.faq{max-width:760px;margin-top:40px}
.faq h2{font-size:23px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:10px;margin-bottom:8px;padding:0 16px}
.faq summary{cursor:pointer;font-weight:600;padding:13px 0}
.faq details p{margin:0 0 14px;color:#2e3d3b}
.more{margin-top:44px}
.more h2{font-size:20px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips a{display:flex;align-items:center;gap:7px;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:7px 14px;text-decoration:none;color:var(--ink);font-size:14.5px;font-weight:600}
.chips a:hover{border-color:var(--acc);color:var(--acc)}
.chips .ic{width:18px;height:18px;color:var(--acc)}
.warn{background:var(--warn-s);padding:10px 12px;border-radius:8px}
/* alt */
.foot{background:#e9ece6;border-top:1px solid var(--line);padding:26px 0;font-size:14px;color:var(--muted)}
.foot p{margin:0 0 8px}
.foot a{color:var(--muted)}
@media (max-width:820px){
  .calc{grid-template-columns:1fr}
  .calc-out{position:static}
  .top-in{gap:12px}
}
@media (max-width:480px){
  .wrap{padding:0 16px}
  .row2{grid-template-columns:1fr}
  .seg span{font-size:13.5px;padding:8px 3px}
  .pct .fld{width:calc(50% - 40px);min-width:110px}
  .brand{font-size:0;gap:0}
  .r.big b{font-size:19px}
  .calc-form,.calc-out{padding:18px}
  .tbl th,.tbl td{padding:8px 9px}
}
@media print{.top,.foot,.more,.faq,.calc-form{display:none}.calc-out{background:#fff;color:#000}}