/* ============================================================
   HesapNoktası — Modern tasarım sistemi (2026)
   Indigo vurgu + soft mor-gri zemin, kart tabanlı, gölge derinliği.
   ============================================================ */
:root{
  --bg:#F4F5FB;--bg2:#ECEEF8;--surface:#FFFFFF;
  --ink:#151726;--ink2:#5B5F78;--ink3:#8A8FA8;
  --accent:#5B4BE6;--accent2:#7C6FF0;--accent-soft:#EEEBFF;--accent-ink:#4536C4;
  --line:#E6E8F2;--ok:#12A594;--ok-soft:#E0F5F1;
  --warn:#C77D1A;--warn-soft:#FBF1DF;--danger:#D6455D;
  --radius:16px;--radius-sm:11px;
  --shadow-sm:0 1px 2px rgba(21,23,38,.04),0 2px 6px rgba(21,23,38,.05);
  --shadow:0 4px 12px rgba(21,23,38,.06),0 12px 28px rgba(21,23,38,.07);
  --shadow-lg:0 8px 24px rgba(91,75,230,.10),0 20px 48px rgba(21,23,38,.10);
  --shadow-accent:0 8px 20px rgba(91,75,230,.28);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Plus Jakarta Sans','Inter',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(1200px 600px at 100% -10%,#E9E6FF 0%,transparent 55%),radial-gradient(1000px 500px at -10% 0%,#E4F5F1 0%,transparent 50%);
  background-attachment:fixed;min-height:100vh}
.mono{font-family:'Space Grotesk','IBM Plex Mono',monospace;font-variant-numeric:tabular-nums}
a{color:var(--accent);text-decoration:none;transition:color .15s}
a:hover{color:var(--accent-ink)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
header.site{position:sticky;top:0;z-index:50;background:rgba(244,245,251,.82);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;padding:15px 22px}
.logo{font-family:'Plus Jakarta Sans',sans-serif;font-weight:800;font-size:1.3rem;letter-spacing:-.03em;color:var(--ink);display:flex;align-items:center;gap:9px}
.logo::before{content:"";width:30px;height:30px;border-radius:9px;flex:none;background:linear-gradient(135deg,var(--accent) 0%,var(--accent2) 100%);box-shadow:var(--shadow-accent)}
.logo span{color:var(--accent)}
.logo:hover{color:var(--ink)}
nav.top{display:flex;gap:6px}
nav.top a{font-size:.9rem;font-weight:600;color:var(--ink2);padding:8px 14px;border-radius:9px;transition:all .15s}
nav.top a:hover{color:var(--accent-ink);background:var(--accent-soft)}
.pagehead{padding:44px 0 8px}
.crumb{font-size:.8rem;color:var(--ink3);font-weight:600;margin-bottom:14px}
.crumb a{color:var(--ink3)}
.crumb a:hover{color:var(--accent)}
h1{font-family:'Plus Jakarta Sans',sans-serif;font-weight:800;font-size:clamp(1.8rem,4.5vw,2.7rem);letter-spacing:-.03em;line-height:1.1;
  background:linear-gradient(120deg,var(--ink) 30%,var(--accent-ink) 120%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.lede{color:var(--ink2);max-width:660px;margin-top:12px;font-size:1.05rem}
.calc{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin:32px 0 52px;align-items:start}
@media(max-width:860px){.calc{grid-template-columns:1fr}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);animation:rise .5s cubic-bezier(.2,.7,.3,1) both}
.panel h2{font-family:'Plus Jakarta Sans',sans-serif;font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--ink3);margin-bottom:22px;display:flex;align-items:center;gap:8px}
.panel h2::before{content:"";width:16px;height:2px;background:var(--accent);border-radius:2px}
label{display:block;font-size:.9rem;font-weight:600;margin:18px 0 7px;color:var(--ink)}
label:first-of-type{margin-top:0}
.hint{font-weight:500;color:var(--ink3);font-size:.8rem}
input,select,textarea{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--radius-sm);font:inherit;background:#FBFBFE;color:var(--ink);transition:border-color .15s,box-shadow .15s,background .15s}
input::placeholder{color:var(--ink3)}
input:focus,select:focus,textarea:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px var(--accent-soft);outline:none}
select{cursor:pointer;-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235B5F78' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 15px center;padding-right:40px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:480px){.row2{grid-template-columns:1fr}}
.radio-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:5px}
.radio-row label{display:flex;align-items:center;gap:7px;margin:0;padding:11px 15px;border:1.5px solid var(--line);border-radius:var(--radius-sm);cursor:pointer;font-weight:600;font-size:.9rem;background:#FBFBFE;transition:all .15s;color:var(--ink2)}
.radio-row input{width:auto;accent-color:var(--accent)}
.radio-row label:hover{border-color:var(--accent2);color:var(--ink)}
.radio-row label:has(input:checked){border-color:var(--accent);background:var(--accent-soft);color:var(--accent-ink);box-shadow:0 2px 8px rgba(91,75,230,.14)}
button.calc-btn{margin-top:26px;width:100%;padding:15px;border:0;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--accent) 0%,var(--accent2) 100%);color:#fff;font:inherit;font-weight:700;font-size:1.02rem;cursor:pointer;box-shadow:var(--shadow-accent);transition:transform .12s,box-shadow .2s}
button.calc-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(91,75,230,.36)}
button.calc-btn:active{transform:translateY(0)}
.receipt{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;position:sticky;top:88px;box-shadow:var(--shadow-lg);animation:rise .5s cubic-bezier(.2,.7,.3,1) .08s both}
.receipt-head{padding:20px 26px;background:linear-gradient(135deg,var(--accent) 0%,var(--accent2) 100%);color:#fff;display:flex;justify-content:space-between;align-items:center}
.receipt-head .t{font-family:'Plus Jakarta Sans',sans-serif;font-weight:700;font-size:.88rem;letter-spacing:.04em;text-transform:uppercase}
.receipt-head .d{font-family:'Space Grotesk',monospace;font-size:.75rem;opacity:.85}
.receipt-body{padding:10px 26px 8px}
.rline{display:flex;justify-content:space-between;gap:16px;padding:12px 0;font-size:.94rem;border-bottom:1px solid var(--line);animation:fade .35s ease both}
.rline:last-child{border-bottom:0}
.rline .k{color:var(--ink2);font-weight:500}
.rline .v{font-family:'Space Grotesk',monospace;font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap;font-weight:600;color:var(--ink)}
.rline.minus .v{color:var(--danger)}
.receipt-body:last-child{padding-bottom:0}
.rline.total{margin:8px -26px -8px;padding:20px 26px;background:var(--ok-soft);border-bottom:0;border-top:1px solid var(--line)}
.rline.total .k{color:var(--ink);font-weight:700;font-size:1rem}
.rline.total .v{color:var(--ok);font-size:1.5rem;font-weight:700}
.receipt-foot{padding:14px 26px;font-size:.78rem;color:var(--ink3);border-top:1px solid var(--line);background:#FBFBFE}
.receipt .empty{padding:52px 26px;text-align:center;color:var(--ink3);font-size:.92rem;line-height:1.7}
.receipt .empty strong{color:var(--accent)}
.aytablo{width:100%;border-collapse:collapse;font-size:.82rem;margin-top:16px}
.aytablo th,.aytablo td{padding:9px 10px;text-align:right;border-bottom:1px solid var(--line);font-family:'Space Grotesk',monospace;font-variant-numeric:tabular-nums}
.aytablo th{font-family:'Plus Jakarta Sans',sans-serif;font-weight:700;color:var(--ink3);font-size:.72rem;text-transform:uppercase;letter-spacing:.04em}
.aytablo td:first-child{text-align:left;font-family:'Plus Jakarta Sans',sans-serif;font-weight:600;color:var(--ink2)}
.aytablo th:first-child{text-align:left}
.aytablo tbody tr:hover{background:var(--accent-soft)}
.dilim-badge{display:inline-block;font-size:.7rem;font-weight:700;padding:2px 8px;border-radius:20px;background:var(--accent-soft);color:var(--accent-ink)}
.content{max-width:740px;padding-bottom:34px}
.content h2{font-family:'Plus Jakarta Sans',sans-serif;font-size:1.5rem;font-weight:800;letter-spacing:-.02em;margin:38px 0 14px}
.content h3{font-size:1.12rem;font-weight:700;margin:24px 0 8px}
.content p{margin-bottom:15px;color:#3A3E56}
.content .formula{background:linear-gradient(135deg,#1B1D2E 0%,#292C44 100%);color:#E8E6FF;border-radius:var(--radius-sm);padding:18px 22px;font-family:'Space Grotesk',monospace;font-size:.9rem;margin:20px 0;overflow-x:auto;box-shadow:var(--shadow);line-height:1.8}
.notice{background:var(--warn-soft);border:1px solid #F0DFBB;border-radius:var(--radius-sm);padding:15px 18px;font-size:.9rem;color:#6B4E12;margin:18px 0}
.notice a{color:var(--accent-ink);font-weight:600}
details.faq{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);margin-bottom:11px;box-shadow:var(--shadow-sm);transition:box-shadow .2s}
details.faq[open]{box-shadow:var(--shadow)}
details.faq summary{padding:17px 20px;font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center;color:var(--ink)}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"";width:20px;height:20px;flex:none;border-radius:6px;background:var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 2v8M2 6h8' stroke='%235B4BE6' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center no-repeat;transition:transform .2s}
details.faq[open] summary::after{transform:rotate(45deg)}
details.faq .a{padding:0 20px 18px;color:#3A3E56;font-size:.94rem}
.hero{padding:64px 0 40px;position:relative}
.hero h1{font-size:clamp(2.1rem,6vw,3.6rem);max-width:800px}
.hero .lede{font-size:1.18rem;margin-top:18px;max-width:600px}
.kicker{display:inline-flex;align-items:center;gap:8px;font-family:'Space Grotesk',monospace;font-size:.8rem;font-weight:600;color:var(--accent-ink);background:var(--accent-soft);padding:7px 15px;border-radius:30px;margin-bottom:22px}
.kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px var(--ok-soft)}
.grup{margin:44px 0}
.grup h2{font-family:'Plus Jakarta Sans',sans-serif;font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--ink3);margin-bottom:18px;display:flex;align-items:center;gap:12px}
.grup h2::after{content:"";flex:1;height:1px;background:var(--line)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
.card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s,border-color .18s;position:relative;overflow:hidden;color:var(--ink)}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(var(--accent),var(--accent2));transform:scaleY(0);transform-origin:top;transition:transform .22s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent;color:var(--ink)}
.card:hover::before{transform:scaleY(1)}
.card .cn{font-family:'Plus Jakarta Sans',sans-serif;font-weight:700;font-size:1.06rem;margin-bottom:7px;letter-spacing:-.01em}
.card .cd{font-size:.88rem;color:var(--ink2);line-height:1.55}
.card .tag{display:inline-block;margin-top:14px;font-family:'Space Grotesk',monospace;font-size:.72rem;font-weight:600;color:var(--accent-ink);background:var(--accent-soft);padding:3px 10px;border-radius:20px}
footer.site{border-top:1px solid var(--line);margin-top:56px;padding:30px 0;font-size:.85rem;color:var(--ink3);background:var(--surface)}
footer.site .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
footer.site a{color:var(--ink2);font-weight:500}
footer.site a:hover{color:var(--accent)}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@media(max-width:600px){
  body{font-size:15px}.wrap{padding:0 16px}
  header.site .wrap{padding:13px 16px}
  nav.top a{padding:7px 11px;font-size:.85rem}
  .pagehead{padding:30px 0 4px}.panel{padding:20px 17px}
  .receipt{position:static}
  .receipt-head,.receipt-body,.receipt-foot{padding-left:18px;padding-right:18px}
  .rline.total{margin-left:-18px;margin-right:-18px;padding-left:18px;padding-right:18px}
  input,select,textarea{padding:14px;font-size:16px}
  .radio-row label{flex:1 1 44%;justify-content:center;min-height:48px}
  button.calc-btn{padding:16px;font-size:1.05rem;position:sticky;bottom:12px}
  .hero{padding:40px 0 22px}.cards{grid-template-columns:1fr}
  .content h2{font-size:1.28rem}
  .aytablo{font-size:.72rem}.aytablo th,.aytablo td{padding:6px 5px}
}
@media(max-width:380px){.radio-row label{flex:1 1 100%}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}html{scroll-behavior:auto}}

/* ---------- Anasayfa: arama + sekmeler ---------- */
.arama{max-width:440px;margin-top:26px;padding:14px 18px;font-size:1rem;border-radius:30px;border:1.5px solid var(--line);background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 18 18'%3E%3Ccircle cx='8' cy='8' r='6' stroke='%238A8FA8' stroke-width='2' fill='none'/%3E%3Cpath d='M13 13l3 3' stroke='%238A8FA8' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat left 18px center;padding-left:46px;box-shadow:var(--shadow-sm)}
.arama:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:34px 0 26px;position:sticky;top:70px;z-index:40;padding:6px 0}
.tab{font-family:'Plus Jakarta Sans',sans-serif;font-weight:600;font-size:.9rem;color:var(--ink2);background:var(--surface);border:1.5px solid var(--line);padding:9px 18px;border-radius:30px;cursor:pointer;transition:all .15s;white-space:nowrap;box-shadow:var(--shadow-sm)}
.tab:hover{border-color:var(--accent2);color:var(--accent-ink)}
.tab.active{background:linear-gradient(135deg,var(--accent) 0%,var(--accent2) 100%);color:#fff;border-color:transparent;box-shadow:var(--shadow-accent)}
[data-panel="all"] .grup h2{display:none}
@media(max-width:600px){
  .tabs{top:64px;gap:7px;margin:24px 0 20px;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;padding-bottom:8px}
  .tab{flex:none;font-size:.85rem;padding:8px 15px}
  .arama{max-width:100%}
}