:root{
  --kagit:#FBFCFD; --cizgi:#DCE4EC; --murekkep:#14324E; --mavi:#1D5FBF; --kirmizi:#C8401F;
  --wa:#25D366; --wa-metin:#0B3B24;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{font-family:'IBM Plex Sans',sans-serif;color:var(--murekkep);line-height:1.6;
  background:var(--kagit);
  background-image:linear-gradient(var(--cizgi) 1px,transparent 1px),linear-gradient(90deg,var(--cizgi) 1px,transparent 1px);
  background-size:28px 28px}
a{color:inherit;text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
.mono{font-family:'IBM Plex Mono',monospace}
h1,h2{font-weight:700;letter-spacing:-.01em}

header{position:sticky;top:0;z-index:50;background:rgba(251,252,253,.94);backdrop-filter:blur(4px);border-bottom:2px solid var(--murekkep)}
.nav{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-family:'IBM Plex Mono';font-weight:700;font-size:18px;display:flex;align-items:center;gap:10px;color:var(--murekkep)}
.logo b{color:var(--mavi)}
.logo-mikser{height:36px;width:auto;flex-shrink:0}
.nav-links{display:flex;gap:20px;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.06em}
.nav-links a:hover{color:var(--mavi)}
.btn{display:inline-block;font-family:'IBM Plex Mono';font-weight:600;font-size:14px;background:var(--mavi);color:#fff;padding:11px 18px;border:2px solid var(--mavi);border-radius:2px;transition:background .15s;cursor:pointer}
.btn:hover{background:#174c99}
.btn.dis{background:transparent;color:var(--mavi)}
.btn.dis:hover{background:#e8f0fb}
.btn.wa{background:var(--wa);border-color:var(--wa-metin);color:var(--wa-metin)}
.btn.wa:hover{background:#1ec15b}

/* HERO + HESAPLAYICI */
.hero{padding:64px 0 70px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.foy{font-family:'IBM Plex Mono';font-size:12px;color:var(--mavi);border:1px solid var(--mavi);display:inline-block;padding:4px 10px;margin-bottom:16px;background:#fff}
.hero h1{font-size:clamp(32px,4.6vw,52px);line-height:1.12}
.hero h1 em{font-style:normal;color:var(--mavi);border-bottom:4px solid var(--mavi)}
.hero p{margin-top:18px;font-size:16px;max-width:48ch}
.hero-cta{margin-top:24px;display:flex;gap:12px;flex-wrap:wrap}
.imza{margin-top:34px;font-family:'IBM Plex Mono';font-size:12px;color:#5a7089}
.imza b{color:var(--murekkep)}

/* Ölçülü hesap paneli */
.panel-alan{position:relative;padding:26px}
.panel{background:#fff;border:2px solid var(--murekkep);box-shadow:6px 6px 0 rgba(20,50,78,.12);padding:26px 24px}
.panel h2{font-family:'IBM Plex Mono';font-size:16px;text-transform:uppercase;letter-spacing:.05em;border-bottom:2px solid var(--murekkep);padding-bottom:10px;margin-bottom:18px}
.cip-baslik{font-family:'IBM Plex Mono';font-size:11px;text-transform:uppercase;color:#5a7089;margin-bottom:8px}
.cipler{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.cip{font-family:'IBM Plex Mono';font-size:12px;font-weight:600;padding:8px 12px;border:1.5px solid var(--murekkep);background:#fff;color:var(--murekkep);cursor:pointer;border-radius:2px}
.cip:hover{background:#EEF4FC}
.cip.secili{background:var(--murekkep);color:#fff}
.is-bilgi{display:none;margin-bottom:14px;font-size:13px;padding:10px 12px;border-left:3px solid var(--mavi);background:#EEF4FC}
.is-bilgi.acik{display:block}
.is-bilgi.uyari{border-left-color:var(--kirmizi);background:#FBEFEB}
.alanlar{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.alan label{display:block;font-family:'IBM Plex Mono';font-size:11px;text-transform:uppercase;color:#5a7089;margin-bottom:6px}
.alan input,.alan select{width:100%;font-family:'IBM Plex Mono';font-size:16px;font-weight:600;padding:10px;border:1.5px solid var(--murekkep);border-radius:2px;background:var(--kagit);color:var(--murekkep)}
.alan input:focus,.alan select:focus{outline:2px solid var(--mavi);outline-offset:1px}
.alan.sehir{grid-column:1/-1}
.sonuc{margin-top:18px;border:2px dashed var(--mavi);background:#EEF4FC;padding:16px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.sonuc .deger{font-family:'IBM Plex Mono';font-size:30px;font-weight:700;color:var(--mavi)}
.sonuc .deger small{font-size:15px}
.sonuc .not{font-size:12.5px;max-width:24ch;color:#3c5872}
.panel .cta{margin-top:16px;width:100%;text-align:center}
.tel-alt{margin-top:10px;text-align:center;font-size:13px;color:#5a7089}
.tel-alt b{color:var(--murekkep)}
/* ölçü çizgileri */
.olcu{position:absolute;font-family:'IBM Plex Mono';font-size:11px;color:var(--kirmizi)}
.olcu.ust{top:0;left:26px;right:26px;border-top:1.5px solid var(--kirmizi);text-align:center;padding-top:3px}
.olcu.ust::before,.olcu.ust::after{content:"";position:absolute;top:-5px;width:1.5px;height:10px;background:var(--kirmizi)}
.olcu.ust::before{left:0}.olcu.ust::after{right:0}
.olcu.yan{top:26px;bottom:26px;right:0;border-right:1.5px solid var(--kirmizi);writing-mode:vertical-rl;text-align:center;padding-right:3px}
.olcu.yan::before,.olcu.yan::after{content:"";position:absolute;right:-5px;height:1.5px;width:10px;background:var(--kirmizi)}
.olcu.yan::before{top:0}.olcu.yan::after{bottom:0}

section{padding:64px 0}
.b-baslik{font-family:'IBM Plex Mono';font-size:13px;color:var(--mavi);text-transform:uppercase;letter-spacing:.1em;margin-bottom:8px}
.baslik{font-size:clamp(26px,3.8vw,38px);margin-bottom:26px}

/* NASIL ÇALIŞIR */
.adimlar{display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px}
.adim{background:#fff;border:2px solid var(--murekkep);padding:22px}
.adim .no{font-family:'IBM Plex Mono';font-size:26px;font-weight:700;color:var(--mavi);margin-bottom:8px}
.adim h3{font-family:'IBM Plex Mono';font-size:15px;text-transform:uppercase;margin-bottom:8px}
.adim p{font-size:14.5px;color:#3c5872}

/* SPEC TABLOSU */
table{width:100%;border-collapse:collapse;background:#fff;border:2px solid var(--murekkep);font-size:14px}
th,td{padding:13px 14px;border:1px solid var(--cizgi);text-align:left}
thead th{background:var(--murekkep);color:#fff;font-family:'IBM Plex Mono';font-size:12px;text-transform:uppercase;letter-spacing:.05em;border-color:var(--murekkep)}
tbody tr:hover{background:#F2F6FB}
td.mono{font-weight:600}
td .onay{color:var(--kirmizi);font-family:'IBM Plex Mono';font-weight:700}
.tablo-not{margin-top:10px;font-size:13px;color:#5a7089}

/* SÜREÇ / KALİTE */
.iki{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.kutu{background:#fff;border:2px solid var(--murekkep);padding:24px}
.kutu h3{font-family:'IBM Plex Mono';font-size:15px;text-transform:uppercase;margin-bottom:12px}
.kutu ul{list-style:none}
.kutu li{padding:9px 0;border-bottom:1px dashed var(--cizgi);font-size:14.5px;display:flex;gap:10px}
.kutu li:last-child{border-bottom:0}
.kutu li::before{content:"—";color:var(--mavi);font-weight:700}

/* SSS */
details{background:#fff;border:2px solid var(--murekkep);margin-bottom:10px}
summary{padding:14px 16px;font-weight:600;font-size:14.5px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:'IBM Plex Mono';font-weight:700;font-size:18px;color:var(--mavi);flex-shrink:0}
details[open] summary::after{content:"–"}
.sss-icerik{padding:0 16px 14px;font-size:14px;color:#3c5872;border-top:1px dashed var(--cizgi)}
.sss-icerik p{padding-top:10px}

/* İLETİŞİM */
.iletisim .kutu{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.tel-buyuk{font-family:'IBM Plex Mono';font-weight:700;font-size:clamp(24px,4.5vw,42px);color:var(--mavi)}
.iletisim p{font-size:14px;color:#3c5872}
.iletisim p a{text-decoration:underline}
.iletisim-btnler{display:flex;gap:10px;flex-wrap:wrap}

footer{border-top:2px solid var(--murekkep);background:#fff;padding:24px 0;font-size:13px}
.foot{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-family:'IBM Plex Mono'}
.foot-nav{margin-top:12px;display:flex;gap:14px;flex-wrap:wrap;font-family:'IBM Plex Mono';font-size:12px}
.foot-nav a:hover{color:var(--mavi)}
.gorsel-gizle{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Yüzen WhatsApp (masaüstü) */
.wa-yuzen{position:fixed;right:18px;bottom:18px;z-index:60;background:var(--wa);color:var(--wa-metin);font-family:'IBM Plex Mono';font-weight:700;font-size:14px;padding:13px 18px;border:2px solid var(--wa-metin);border-radius:2px;box-shadow:4px 4px 0 rgba(20,50,78,.18)}
.wa-yuzen:hover{background:#1ec15b}

.cagri-bar{display:none}
@media(max-width:900px){
  .nav-links{display:none}
  .hero-grid{grid-template-columns:1fr}
  .iki{grid-template-columns:1fr}
  .adimlar{grid-template-columns:1fr}
}
@media(max-width:600px){
  body{padding-bottom:58px}
  section{padding:48px 0}
  .alanlar{grid-template-columns:1fr}
  table{font-size:12.5px}
  th,td{padding:10px 8px}
  .gizle-mobil{display:none}
  .wa-yuzen{display:none}
  .cagri-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60}
  .cagri-bar a{flex:1;text-align:center;font-family:'IBM Plex Mono';font-weight:600;font-size:13px;padding:15px 6px}
  .cagri-bar .ara{background:var(--murekkep);color:#fff}
  .cagri-bar .wa{background:var(--wa);color:var(--wa-metin);font-weight:700}
  .cagri-bar .fiyat{background:var(--mavi);color:#fff}
}