/* =====================================================
   AKTİF YAZILIM — Tasarım Sistemi
   Kobalt mavi (#0047BA) + gümüş, logodan türetilmiştir
   ===================================================== */
:root{
  --blue:#0047BA;
  --blue-deep:#003A99;
  --blue-soft:#E7EEFA;
  --ink:#0A1730;
  --navy:#0E2A5C;
  --paper:#F4F6FA;
  --white:#FFFFFF;
  --slate:#45526B;
  --line:#D8DFEC;
  --silver1:#6E7A8A;
  --silver2:#B4BCC8;
  --radius:14px;
  --maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'IBM Plex Sans',system-ui,sans-serif;color:var(--ink);background:var(--paper);
  line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:'Sora',sans-serif;line-height:1.15;letter-spacing:-0.02em}
.mono{font-family:'IBM Plex Mono',monospace}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}

/* Butonlar */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:999px;
  font-family:'Sora',sans-serif;font-weight:600;font-size:15px;cursor:pointer;border:none;
  transition:transform .15s,background .15s,border-color .15s}
.btn:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 18px rgba(0,71,186,.28)}
.btn-primary:hover{background:var(--blue-deep);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue-deep)}
.btn-wa{background:#1FA855;color:#fff}
.btn-wa:hover{background:#178A45;transform:translateY(-1px)}

.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--blue-deep);font-weight:500;
  display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--blue)}
.eyebrow-acik{color:#5B95FF}

/* Klavye kullanıcıları için içeriğe atlama bağlantısı */
.atla{position:absolute;left:-9999px;top:0;background:var(--blue);color:#fff;
  padding:12px 20px;border-radius:0 0 10px 0;z-index:100}
.atla:focus{left:0}

/* Header */
header.site{position:sticky;top:0;z-index:50;background:rgba(244,246,250,.88);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.brand-logo{height:36px;width:auto;display:block;flex:none}
/* Rozet yalnızca yer olduğunda görünür; 960–1300 arasında menü zaten kalabalık.
   DİA ortaklığı ayrıca hero eyebrow'unda ve footer'daki resmi logoda belirtiliyor. */
.brand-badge{display:none;font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.08em;
  background:var(--blue-soft);color:var(--blue-deep);padding:4px 10px;border-radius:999px;white-space:nowrap}
@media(min-width:1300px){.brand-badge{display:inline-block}}
@media(max-width:960px){.brand-badge{display:inline-block}}   /* menü hamburgere düştü, yer var */
@media(max-width:560px){.brand-badge{display:none}.brand-logo{height:30px}}
.foot-logo{height:42px;width:auto;display:block;margin-bottom:18px}
.nav-links{display:flex;gap:26px;font-size:14.5px;font-weight:500;color:var(--slate);align-items:center}
@media(max-width:1120px){.nav-links{gap:20px;font-size:14px}}
.nav-links a:hover{color:var(--blue-deep)}
.nav-links a.active{color:var(--blue)}
.nav .btn{padding:10px 20px;font-size:14px}
.nav-cta-mobil{display:none}
.nav-sag{display:flex;align-items:center;gap:12px;flex:none}

/* Bayi girişi bağlantısı (sağ üst) */
.bayi-link{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:500;
  color:var(--slate);padding:8px 14px;border-radius:999px;border:1.5px solid var(--line);
  background:var(--white);transition:border-color .15s,color .15s}
.bayi-link:hover{border-color:var(--blue);color:var(--blue-deep)}
.nav-bayi-mobil{display:none}

/* Mobil menü düğmesi (hamburger) */
.menu-btn{display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;background:transparent;border:1.5px solid var(--line);
  border-radius:10px;cursor:pointer}
.menu-btn span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:960px){
  .nav-sag{display:none}
  .menu-btn{display:flex}
  .nav-bayi-mobil{display:inline-flex;justify-content:center;margin-top:14px;border-bottom:none}
  .nav-links{position:absolute;left:0;right:0;top:72px;flex-direction:column;
    align-items:stretch;gap:0;background:var(--white);border-bottom:1px solid var(--line);
    box-shadow:0 18px 40px rgba(10,23,48,.12);padding:8px 24px 22px;display:none}
  .nav-links.acik{display:flex}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
  .nav-cta-mobil{display:inline-flex;justify-content:center;margin-top:16px;border-bottom:none}
}

/* Hero (ana sayfa) */
.hero{padding:88px 0 0}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(34px,4.6vw,56px);font-weight:800;margin:20px 0 22px}
.hero h1 em{font-style:normal;color:var(--blue-deep)}
.hero p.lede{font-size:18px;color:var(--slate);max-width:520px;margin-bottom:34px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-note{margin-top:18px;font-size:13.5px;color:var(--slate)}
.hero-note b{color:var(--ink)}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:44px}.hero{padding-top:56px}}

/* İmza: entegrasyon omurgası */
.spine{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 30px;box-shadow:0 20px 50px rgba(10,23,48,.07)}
.spine-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}
.spine-title .mono{font-size:12px;color:var(--slate);letter-spacing:.1em}
.spine-live{display:flex;align-items:center;gap:7px;font-family:'IBM Plex Mono',monospace;
  font-size:11.5px;color:var(--blue-deep)}
.spine-live::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--blue);
  animation:blink 1.6s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
.rail{position:relative;padding:8px 0}
.rail-line{position:absolute;left:26px;top:20px;bottom:20px;width:2px;background:var(--line)}
.rail-pulse{position:absolute;left:22px;width:10px;height:10px;border-radius:50%;
  background:var(--blue);box-shadow:0 0 0 6px rgba(0,71,186,.15);
  animation:travel 6s ease-in-out infinite}
@keyframes travel{0%{top:4%}18%{top:4%}30%{top:26%}42%{top:26%}54%{top:48%}
  64%{top:48%}76%{top:70%}84%{top:70%}94%{top:92%}100%{top:92%}}
.node{display:flex;align-items:center;gap:18px;padding:11px 0}
.node-dot{width:54px;height:54px;flex:none;border-radius:12px;background:var(--blue-soft);
  display:flex;align-items:center;justify-content:center;
  font-family:'IBM Plex Mono',monospace;font-size:12px;font-weight:500;color:var(--blue-deep);
  border:1px solid rgba(0,71,186,.25);z-index:1}
.node-info b{display:block;font-family:'Sora',sans-serif;font-size:15px;font-weight:600}
.node-info span{font-size:13px;color:var(--slate)}
@media(prefers-reduced-motion:reduce){.rail-pulse,.spine-live::before{animation:none}}

/* Genel bölümler */
section.blok{padding:88px 0}
.sec-head{max-width:640px;margin-bottom:52px}
.sec-head h2{font-size:clamp(26px,3.2vw,38px);font-weight:700;margin:16px 0 14px}
.sec-head p{color:var(--slate);font-size:16.5px}

/* Sayfa hero (iç sayfalar) */
.phero{padding:64px 0 40px}
.phero h1{font-size:clamp(30px,4vw,46px);font-weight:800;margin:18px 0 16px;max-width:720px}
.phero p{font-size:17px;color:var(--slate);max-width:640px}

/* Kartlar */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;transition:border-color .15s,box-shadow .15s,transform .15s;display:block}
.card:hover{border-color:var(--blue);box-shadow:0 12px 30px rgba(10,23,48,.08);transform:translateY(-2px)}
.card .code{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--blue-deep);
  background:var(--blue-soft);display:inline-block;padding:3px 9px;border-radius:6px;margin-bottom:13px}
.card h3{font-size:16.5px;font-weight:600;margin-bottom:7px}
.card p{font-size:13.5px;color:var(--slate)}
@media(max-width:900px){.grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.grid{grid-template-columns:1fr}}

.grid-sm{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.card-sm{background:var(--white);border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;display:block}
.card-sm:hover{border-color:var(--blue)}
.card-sm h3{font-size:14.5px;font-weight:600;margin-bottom:4px}
.card-sm p{font-size:12.5px;color:var(--slate)}
@media(max-width:900px){.grid-sm{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.grid-sm{grid-template-columns:1fr}}

/* Modüller sayfası araç çubuğu */
.toolbar{position:sticky;top:72px;z-index:40;background:var(--paper);
  padding:18px 0;border-bottom:1px solid var(--line)}
.toolbar-inner{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.search{flex:1;min-width:240px;position:relative}
.search input{width:100%;padding:13px 18px 13px 44px;border-radius:999px;
  border:1.5px solid var(--line);background:var(--white);
  font-family:'IBM Plex Sans',sans-serif;font-size:14.5px;color:var(--ink)}
.search input:focus{outline:none;border-color:var(--blue)}
.search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--slate)}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-family:'Sora',sans-serif;font-size:13px;font-weight:600;padding:9px 16px;
  border-radius:999px;border:1.5px solid var(--line);background:var(--white);
  color:var(--slate);cursor:pointer;transition:all .15s}
.chip:hover{border-color:var(--blue);color:var(--blue-deep)}
.chip.active{background:var(--blue);border-color:var(--blue);color:#fff}
.cat{padding:56px 0 8px}
.cat-head{display:flex;align-items:baseline;gap:16px;margin-bottom:10px}
.cat-head h2{font-size:24px;font-weight:700}
.cat-head .count{font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--slate)}
.cat-desc{color:var(--slate);font-size:15px;max-width:640px;margin-bottom:28px}
.noresult{display:none;text-align:center;padding:64px 0;color:var(--slate)}
.noresult b{font-family:'Sora',sans-serif;display:block;font-size:18px;color:var(--ink);margin-bottom:6px}

/* Modül detay */
.detay{display:grid;grid-template-columns:1fr 320px;gap:48px;padding:24px 0 72px}
.detay-icerik h2{font-size:22px;margin:32px 0 12px}
.detay-icerik p{margin-bottom:16px;color:var(--slate)}
.detay-icerik ul{margin:0 0 16px 22px;color:var(--slate)}
.yan{position:sticky;top:100px;align-self:start}
.yan-kutu{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;margin-bottom:16px}
.yan-kutu h3{font-size:15px;margin-bottom:14px}
.yan-kutu ul{list-style:none}
.yan-kutu li{padding:7px 0;border-bottom:1px solid var(--line);font-size:14px}
.yan-kutu li:last-child{border-bottom:none}
.yan-kutu a:hover{color:var(--blue-deep)}
@media(max-width:900px){.detay{grid-template-columns:1fr}.yan{position:static}}

/* Form */
.form-kart{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px;max-width:560px}
.form-kart label{display:block;font-size:13.5px;font-weight:500;color:var(--slate);margin:16px 0 6px}
.form-kart label:first-of-type{margin-top:0}
.form-kart input,.form-kart textarea{width:100%;padding:12px 14px;border-radius:9px;
  border:1.5px solid var(--line);background:var(--paper);color:var(--ink);
  font-family:'IBM Plex Sans',sans-serif;font-size:14.5px}
.form-kart input:focus,.form-kart textarea:focus{outline:none;border-color:var(--blue)}
.form-kart .btn{width:100%;justify-content:center;margin-top:22px}
.form-hata{background:#FDECEC;border:1px solid #F5C2C2;color:#8A1F1F;
  border-radius:10px;padding:12px 16px;font-size:14px;margin-bottom:18px}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}

/* CTA bandı */
.cta{background:linear-gradient(135deg,var(--navy),var(--ink));
  border-radius:calc(var(--radius) + 8px);padding:52px 48px;color:#fff;
  display:flex;justify-content:space-between;align-items:center;gap:32px;
  flex-wrap:wrap;margin:72px 0}
.cta h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;margin-bottom:10px}
.cta p{color:#A9B8D3;font-size:15.5px;max-width:520px}

/* Footer */
footer.site{background:var(--white);border-top:1px solid var(--line);padding:56px 0 32px;margin-top:88px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.foot-grid h4{font-family:'Sora',sans-serif;font-size:14px;font-weight:600;margin-bottom:16px}
.foot-grid ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.foot-grid a,.foot-grid li{font-size:14px;color:var(--slate)}
.foot-grid a:hover{color:var(--blue-deep)}
.foot-dia{display:block;height:56px;width:auto;margin-top:22px;border-radius:6px}
.foot-legal{border-top:1px solid var(--line);padding-top:24px;display:flex;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--slate)}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr;gap:28px}}

/* Koyu bölüm (özel yazılım) */
.blok-koyu{background:var(--ink);color:#E8EDF7}
.blok-koyu h2{color:#fff}
.blok-koyu .sec-head p{color:#9AA9C6}

/* Kırıntı navigasyonu */
.kirinti{font-size:13px;color:var(--slate);margin-bottom:14px}
.kirinti a:hover{color:var(--blue-deep)}
.kirinti span{color:var(--ink)}

/* İletişim sayfası düzeni */
.iletisim-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;
  padding-bottom:72px;align-items:start}
@media(max-width:900px){.iletisim-grid{grid-template-columns:1fr;gap:32px}}
.form-kart{max-width:none}
.form-kvkk{font-size:12.5px;color:var(--slate);margin-top:14px;text-align:center}
.form-kvkk a{color:var(--blue-deep);text-decoration:underline}

/* Sabit WhatsApp düğmesi */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:56px;height:56px;
  border-radius:50%;background:#1FA855;color:#fff;display:flex;align-items:center;
  justify-content:center;box-shadow:0 10px 26px rgba(31,168,85,.42);
  transition:transform .15s,background .15s}
.wa-float:hover{background:#178A45;transform:scale(1.06)}
@media(max-width:600px){.wa-float{right:14px;bottom:14px;width:52px;height:52px}}

/* Yazdırma */
@media print{
  header.site,footer.site,.wa-float,.toolbar,.cta,.atla{display:none!important}
  body{background:#fff}
}