/* AfterTaxLab — prototip tasarım sistemi (açık tema, mavi/teal, yuvarlatılmış kartlar) */
:root{
  --bg:#f6f8fb; --card:#ffffff; --ink:#0f172a; --muted:#64748b; --line:#e5e9f0;
  --blue:#2563eb; --blue-600:#1d4ed8; --blue-50:#eff6ff;
  --teal:#0d9488; --teal-50:#ecfdf5; --amber:#f59e0b; --rose:#e11d48; --violet:#7c3aed;
  --ring:0 0 0 3px rgba(37,99,235,.18);
  --sh:0 1px 2px rgba(15,23,42,.05), 0 8px 24px rgba(15,23,42,.06);
  --sh-lg:0 2px 4px rgba(15,23,42,.06), 0 18px 40px rgba(15,23,42,.10);
  --r:16px; --r-lg:22px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Helvetica,Arial,sans-serif;
  background:var(--bg); color:var(--ink); line-height:1.6; font-size:16.5px;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:clamp(30px,5vw,46px);line-height:1.12;letter-spacing:-.02em}
h2{font-size:clamp(21px,3vw,28px);letter-spacing:-.01em;margin:0 0 6px}
h3{font-size:17px;letter-spacing:-.01em}
.muted{color:var(--muted)}
.small{font-size:14px}
.tiny{font-size:12.5px}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.logo .mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--teal));display:grid;place-items:center;color:#fff;font-size:15px;font-weight:700}
.navlinks{display:flex;gap:22px;font-size:14.5px;font-weight:500}
.navlinks a{color:#334155}
.navlinks a:hover{color:var(--blue)}

/* ---------- hero ---------- */
.hero{padding:54px 0 26px}
.hero .pill{display:inline-flex;align-items:center;gap:8px;background:var(--blue-50);color:var(--blue-600);
  font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:7px 13px;border-radius:999px;margin-bottom:16px}
.hero p.lead{font-size:18.5px;color:#475569;max-width:720px;margin-top:12px}

/* ---------- layout ---------- */
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--sh)}
.card.lg{border-radius:var(--r-lg);padding:26px}
.card h3{margin-bottom:10px}
section{padding:34px 0}
section.tight{padding:20px 0}
.eyebrow{font-size:12.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);margin-bottom:8px}

/* ---------- form ---------- */
label.f{display:block;font-size:12.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:#475569;margin-bottom:7px}
input[type=number],input[type=text],select{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:12px;font-size:16.5px;
  font-weight:600;color:var(--ink);background:#fff;outline:none}
input:focus,select:focus{border-color:var(--blue);box-shadow:var(--ring)}
input[type=range]{-webkit-appearance:none;width:100%;height:6px;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--teal));outline:none;margin:18px 0 6px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;background:#fff;border:3px solid var(--blue);box-shadow:var(--sh);cursor:pointer}
input[type=range]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:#fff;border:3px solid var(--blue);cursor:pointer}
.field{margin-bottom:14px}
.slider-scale{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted)}

/* ---------- KPI ---------- */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:6px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px}
.kpi .t{font-size:11.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.kpi .v{font-size:clamp(19px,2.6vw,26px);font-weight:800;letter-spacing:-.02em;margin-top:6px}
.kpi.keep{background:linear-gradient(160deg,#ecfdf5,#fff);border-color:#a7f3d0}
.kpi.keep .v{color:#047857}
.kpi.fed .v{color:#0f172a} .kpi.st .v{color:#047857} .kpi.fica .v{color:#b45309}

/* ---------- charts ---------- */
.bar{display:flex;height:38px;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#fff}
.bar span{display:grid;place-items:center;color:#fff;font-size:12px;font-weight:700;transition:width .6s cubic-bezier(.2,.8,.2,1)}
.donut{display:grid;place-items:center;position:relative}
.donut .center{position:absolute;text-align:center}
.donut .center b{display:block;font-size:26px;font-weight:800;letter-spacing:-.02em}
.legend{display:grid;gap:8px;font-size:14.5px}
.legend div{display:flex;align-items:center;gap:9px}
.dot{width:11px;height:11px;border-radius:3px;flex:0 0 auto}
.flow{display:grid;gap:0}
.flow .step{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px dashed var(--line)}
.flow .step:last-child{border-bottom:none}
.flow .step b{min-width:132px;font-variant-numeric:tabular-nums}
.flow .step .bar-mini{flex:1;height:10px;border-radius:999px;background:#eef2f7;overflow:hidden}
.flow .step .bar-mini i{display:block;height:100%;border-radius:999px;transition:width .6s}
.arrow{display:grid;place-items:center;color:var(--muted);font-size:18px;padding:2px 0}

/* kademe (bracket) görseli */
.brackets{display:grid;gap:6px}
.bracket{display:grid;grid-template-columns:96px 1fr 84px;gap:12px;align-items:center;font-size:14px}
.bracket .track{height:26px;border-radius:8px;background:#eef2f7;overflow:hidden}
.bracket .track i{display:block;height:100%;background:linear-gradient(90deg,#93c5fd,var(--blue))}
.bracket.active .track i{background:linear-gradient(90deg,var(--teal),#22c55e)}
.bracket b{font-variant-numeric:tabular-nums;text-align:right}

/* tablo */
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{padding:11px 12px;text-align:right;border-bottom:1px solid var(--line)}
th:first-child,td:first-child{text-align:left}
thead th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:800}
tbody tr:hover{background:#f8fafc}
td.keep{font-weight:700;color:#047857}

/* kategori kartları */
.cat{display:grid;gap:6px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--sh);transition:transform .18s,box-shadow .18s}
.cat:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);text-decoration:none}
.cat .ico{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:19px;background:var(--blue-50)}
.cat b{font-size:16.5px;color:var(--ink)}
.cat span{font-size:14px;color:var(--muted)}

/* links block */
.linkgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.linkgrid a{display:block;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;font-weight:600;font-size:15px;color:#1e293b}
.linkgrid a:hover{border-color:var(--blue);background:var(--blue-50);text-decoration:none}

/* faq */
details.faq{border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:#fff;margin-bottom:10px}
details.faq summary{font-weight:700;cursor:pointer}
details.faq p{margin-top:8px;color:#475569}

footer{border-top:1px solid var(--line);margin-top:40px;padding:28px 0 40px;color:var(--muted);font-size:14px}
.note{background:#fffbeb;border:1px solid #fde68a;border-radius:12px;padding:12px 14px;font-size:14px;color:#92400e}

@media (max-width:900px){ .g4,.kpis{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:1fr 1fr} }
@media (max-width:640px){
  body{font-size:16px}
  .g2,.g3,.g4,.kpis{grid-template-columns:1fr}
  .navlinks{display:none}
  .hero{padding:34px 0 18px}
  .bracket{grid-template-columns:78px 1fr 70px;font-size:13px}
  section{padding:26px 0}
}
@media print{ .nav,footer{display:none} }
@media (prefers-reduced-motion:reduce){ *{transition:none!important} }


/* ============================================================
   ZENGİN GÖRSEL KATMAN (referans tasarımlar: renkli rozetler,
   halka/gauge, dikey barlar, para akışı daireleri, insight şeritleri)
   ============================================================ */
:root{ --orange:#f97316; --coral:#ef4444; --purple:#8b5cf6; --sky:#0ea5e9; --lime:#84cc16; }

/* satır listesi (kesinti dökümü) */
.rowlist{display:grid;gap:8px;margin-top:6px}
.rowlist .r{display:flex;align-items:center;gap:12px;padding:11px 13px;border:1px solid var(--line);border-radius:13px;background:#fff}
.rowlist .r .badge{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-size:15px;flex:0 0 auto;color:#fff}
.rowlist .r .nm{font-weight:600;font-size:15px}
.rowlist .r .pc{margin-left:auto;color:var(--muted);font-size:13.5px;font-variant-numeric:tabular-nums;min-width:52px;text-align:right}
.rowlist .r .vl{font-weight:700;font-variant-numeric:tabular-nums;min-width:82px;text-align:right}
.rowlist .r.keep{background:linear-gradient(120deg,#ecfdf5,#fff);border-color:#a7f3d0}
.rowlist .r.keep .vl{color:#047857}
.rowlist .r.total{border-style:dashed;background:#f8fafc}

/* mini veri kutuları */
.miniboxes{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.minibox{border:1px solid var(--line);border-radius:13px;padding:12px 13px;background:#fff}
.minibox .t{font-size:11.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.minibox .v{font-size:19px;font-weight:800;letter-spacing:-.02em;margin-top:3px;font-variant-numeric:tabular-nums}

/* insight şeridi */
.insight{display:flex;gap:12px;align-items:flex-start;background:linear-gradient(120deg,#ecfdf5,#f0fdfa);
  border:1px solid #a7f3d0;border-radius:14px;padding:13px 15px;margin-top:14px}
.insight .ic{width:32px;height:32px;border-radius:10px;background:#d1fae5;display:grid;place-items:center;font-size:16px;flex:0 0 auto}
.insight b{display:block;font-size:15px}
.insight p{font-size:13.5px;color:#065f46;margin-top:2px}
.insight.blue{background:linear-gradient(120deg,#eff6ff,#f5f3ff);border-color:#bfdbfe}
.insight.blue .ic{background:#dbeafe}.insight.blue p{color:#1e40af}
.insight a{font-weight:700;font-size:13.5px}

/* dikey karşılaştırma barları */
.vbars{display:flex;align-items:flex-end;gap:14px;padding:18px 6px 6px;overflow-x:auto}
.vbars .col{flex:1 0 58px;text-align:center}
.vbars .col .vk{font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:6px}
.vbars .col .bar{height:150px;display:flex;align-items:flex-end;justify-content:center;border:0;background:transparent}
.vbars .col .bar i{display:block;width:100%;max-width:56px;border-radius:10px 10px 4px 4px;transition:height .7s cubic-bezier(.2,.8,.2,1)}
.vbars .col .lbl{font-size:12.5px;font-weight:600;margin-top:8px;color:#334155}
.vbars .col .fl{font-size:19px;margin-top:2px}

/* para akışı daireleri */
.flowcirc{display:flex;align-items:center;justify-content:space-between;gap:6px;flex-wrap:wrap;padding:12px 0}
.flowcirc .node{flex:1 1 130px;text-align:center}
.flowcirc .node .cc{width:108px;height:108px;border-radius:50%;margin:0 auto 10px;display:grid;place-items:center;color:#fff;text-align:center;box-shadow:var(--sh)}
.flowcirc .node .cc b{font-size:16.5px;font-weight:800;letter-spacing:-.02em;display:block}
.flowcirc .node .cc span{font-size:11px;text-transform:uppercase;letter-spacing:.06em;opacity:.92}
.flowcirc .node .cap{font-size:13px;color:var(--muted);font-weight:600}
.flowcirc .arw{font-size:22px;color:#94a3b8;flex:0 0 auto}

/* halka/gauge kartı */
.gauge-card{display:grid;place-items:center;text-align:center}
.gauge-card .gwrap{position:relative}
.gauge-card .gwrap .gc{position:absolute;inset:0;display:grid;place-items:center;text-align:center}
.gauge-card .gwrap .gc b{display:block;font-size:30px;font-weight:800;letter-spacing:-.03em}
.gauge-card .gwrap .gc span{font-size:12.5px;color:var(--muted)}

/* renkli oran rozetleri (vergi dilimleri) */
.ratebadge{display:inline-grid;place-items:center;min-width:52px;padding:5px 8px;border-radius:9px;font-weight:800;font-size:13.5px;color:#fff}
.rb-10{background:#0ea5e9}.rb-12{background:#2563eb}.rb-22{background:#f59e0b}.rb-24{background:#f97316}
.rb-32{background:#ef4444}.rb-35{background:#dc2626}.rb-37{background:#991b1b}

/* durum etiketi (düşük/yüksek maliyet) */
.cost{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;padding:5px 10px;border-radius:999px}
.cost.down{background:#dcfce7;color:#15803d}.cost.up{background:#fee2e2;color:#b91c1c}.cost.flat{background:#e2e8f0;color:#475569}

/* sekmeler + büyük CTA + önek girdi */
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.tabs span{padding:8px 14px;border-radius:999px;font-size:13.5px;font-weight:700;background:#eef2f7;color:#475569}
.tabs span.on{background:var(--blue);color:#fff}
.inp-prefix{display:flex;align-items:center;border:1px solid var(--line);border-radius:12px;background:#fff;padding-left:12px;font-weight:700;color:#64748b}
.inp-prefix input{border:0;box-shadow:none!important;padding-left:6px}
.cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--blue);color:#fff;font-weight:800;
  padding:14px 18px;border-radius:13px;border:0;font-size:15.5px;cursor:pointer;box-shadow:0 8px 20px rgba(37,99,235,.25)}
.cta:hover{background:var(--blue-600);text-decoration:none}
.hero-panel{background:linear-gradient(135deg,#0b1220,#1e293b 55%,#0f172a);border-radius:var(--r-lg);padding:26px;color:#fff}
.hero-panel h1,.hero-panel h2{color:#fff}.hero-panel .muted{color:#94a3b8}
@media (max-width:760px){ .vbars{gap:9px} .vbars .col .bar{height:112px} .flowcirc .node .cc{width:88px;height:88px} .miniboxes{grid-template-columns:1fr} }