/* =========================================================
   Data-Net Bilgisayar - Ana Stil Dosyasi
   Trakya Logo is ortagi | Logo Edge T-Series odakli
   ========================================================= */

:root{
  --brand:#1d4ed8;
  --brand-600:#2563eb;
  --brand-700:#1e40af;
  --brand-050:#eff6ff;
  --brand-100:#dbeafe;
  --accent:#16a34a;
  --accent-050:#f0fdf4;
  --warn:#b45309;
  --warn-050:#fffbeb;
  --warn-200:#fde68a;
  --muted:#64748b;
  --ink:#0f172a;
  --ink-2:#334155;
  --line:#e2e8f0;
  --line-2:#f1f5f9;
  --bg:#f8fafc;
  --white:#fff;
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --shadow:0 4px 16px rgba(15,23,42,.07);
  --shadow-lg:0 18px 45px rgba(15,23,42,.12);
  --max:1200px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
html,body{margin:0;padding:0}
body{
  background:var(--bg);color:var(--ink);
  font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand-600);text-decoration:none;transition:color .18s}
a:hover{color:var(--brand-700)}
img{max-width:100%;height:auto}
hr{border:0;border-top:1px solid var(--line);margin:28px 0}

/* ---------- Yerlesim ---------- */
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
.page-container{max-width:1080px;margin:0 auto;padding:0 20px}
section{padding:44px 0}
.page-section{padding:26px 0}
.narrow{max-width:820px;margin-left:auto;margin-right:auto}

/* ---------- Tipografi ---------- */
h1,h2,h3,h4{line-height:1.22;color:var(--ink);font-weight:700;letter-spacing:-.015em}
h1{font-size:clamp(30px,4.4vw,46px);margin:0 0 14px}
h1.page-title{font-size:clamp(27px,3.6vw,38px);margin:20px 0 10px}
h1 .brand-text{color:var(--brand-600)}
h2{font-size:clamp(23px,2.7vw,31px);margin:0 0 14px}
h3{font-size:19px;margin:0 0 8px}
h4{font-size:16px;margin:0 0 6px}
p{margin:0 0 14px}
.lead{font-size:clamp(17px,1.6vw,19px);color:var(--ink-2);margin:0 0 18px;line-height:1.7}
.muted{color:var(--muted)}
.small{font-size:14px}
.center{text-align:center}
.section-head{margin-bottom:22px}
.section-head p{margin:0;color:var(--muted);max-width:760px}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-600);margin-bottom:8px}

/* ---------- Butonlar ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand-600);color:#fff;padding:11px 20px;border-radius:999px;
  font-weight:600;font-size:15px;border:1px solid var(--brand-600);cursor:pointer;
  transition:transform .16s,box-shadow .16s,background .16s;
  box-shadow:var(--shadow-sm);text-align:center;line-height:1.3;
}
.btn:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow)}
.btn:active{transform:translateY(0)}
.btn.outline{background:transparent;color:var(--brand-600);border:1px solid var(--brand-600);box-shadow:none}
.btn.outline:hover{background:var(--brand-050);color:var(--brand-700)}
.btn.ghost{background:var(--white);color:var(--ink-2);border-color:var(--line)}
.btn.ghost:hover{background:var(--line-2);color:var(--ink)}
.btn.lg{padding:14px 26px;font-size:16px}
.btn.sm{padding:8px 14px;font-size:14px}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}
.hero-buttons{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}

/* ---------- Header / Navigasyon ---------- */
header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex-shrink:0}
.logo img{height:40px;width:auto}
.menu{display:flex;gap:4px;align-items:center;flex-wrap:nowrap}
.menu a{
  color:var(--ink-2);font-weight:600;font-size:14.5px;padding:8px 11px;border-radius:9px;
  white-space:nowrap;transition:background .16s,color .16s;
}
.menu a:hover{background:var(--brand-050);color:var(--brand-700)}
.menu a.active{color:var(--brand-600);background:var(--brand-050)}
.nav-actions{display:flex;gap:10px;align-items:center}

/* Acilir menu */
.has-drop{position:relative}
.has-drop>a::after{content:"\25BE";font-size:11px;margin-left:5px;opacity:.65}
.drop{
  position:absolute;top:calc(100% + 8px);left:0;min-width:300px;
  background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);
  padding:8px;opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .18s,transform .18s,visibility .18s;
}
.has-drop:hover .drop,.has-drop:focus-within .drop{opacity:1;visibility:visible;transform:translateY(0)}
.drop a{display:block;padding:10px 12px;border-radius:9px;font-size:14.5px;color:var(--ink-2);font-weight:600}
.drop a span{display:block;font-weight:400;font-size:12.5px;color:var(--muted);margin-top:2px}
.drop a:hover{background:var(--brand-050);color:var(--brand-700)}
.drop .drop-sep{height:1px;background:var(--line);margin:6px 4px}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;padding:56px 0 48px;
  background:
    radial-gradient(1100px 420px at 82% -12%, #dbeafe 0%, transparent 62%),
    radial-gradient(760px 380px at 6% 4%, #ede9fe 0%, transparent 58%),
    linear-gradient(180deg,#f5f8ff 0%, var(--bg) 100%);
}
.hero .top{display:grid;grid-template-columns:1.22fr .78fr;gap:44px;align-items:center}
.badges{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
.badge{
  background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:999px;
  padding:6px 13px;font-size:12.5px;color:var(--ink-2);font-weight:500;box-shadow:var(--shadow-sm);
}
.badge.hot{background:var(--brand-600);border-color:var(--brand-600);color:#fff;font-weight:600}
.pill{
  display:inline-flex;align-items:center;gap:6px;border:1px dashed #94a3b8;
  padding:6px 12px;border-radius:999px;font-size:12.5px;color:#475569;background:rgba(255,255,255,.6);
}
.pill.solid{border:1px solid var(--brand-100);background:var(--brand-050);color:var(--brand-700);font-weight:600}

/* ---------- Kartlar ve izgaralar ---------- */
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);transition:box-shadow .2s,transform .2s,border-color .2s;
}
.card.hoverable:hover,a.card:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:#cbd5e1}
.card.feature{border-top:3px solid var(--brand-600)}
.card.flag{border:2px solid var(--brand-600);box-shadow:0 10px 30px rgba(37,99,235,.13)}
.card-actions{margin-top:14px}
.card-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-050);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-size:21px;margin-bottom:12px;
}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}

/* ---------- Listeler ---------- */
.list{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.list li{display:flex;gap:9px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.check{color:var(--accent);flex-shrink:0;font-weight:700}
.x{color:#cbd5e1;flex-shrink:0;font-weight:700}

/* ---------- Etiketler ---------- */
.tag{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.03em;padding:3px 9px;border-radius:999px;text-transform:uppercase}
.tag-new{background:var(--accent-050);color:#15803d;border:1px solid #bbf7d0}
.tag-end{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}
.tag-focus{background:var(--brand-600);color:#fff}

/* ---------- Bilgilendirme bandi ---------- */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--warn-050);border:1px solid var(--warn-200);border-left:4px solid #f59e0b;
  border-radius:var(--radius-sm);padding:16px 18px;margin:20px 0;
}
.notice .notice-ico{font-size:20px;line-height:1.3;flex-shrink:0}
.notice h4{margin:0 0 4px;color:#92400e;font-size:15.5px}
.notice p{margin:0;font-size:14.5px;color:#78350f}
.notice a{color:#92400e;font-weight:700;text-decoration:underline}
.notice.info{background:var(--brand-050);border-color:var(--brand-100);border-left-color:var(--brand-600)}
.notice.info h4{color:var(--brand-700)} .notice.info p{color:#1e3a8a} .notice.info a{color:var(--brand-700)}
.notice.ok{background:var(--accent-050);border-color:#bbf7d0;border-left-color:var(--accent)}
.notice.ok h4{color:#166534} .notice.ok p{color:#14532d} .notice.ok a{color:#166534}

/* ---------- Kirinti navigasyonu ---------- */
.breadcrumb{font-size:13.5px;color:var(--muted);padding:16px 0 0;display:flex;gap:7px;flex-wrap:wrap;align-items:center}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb span[aria-current]{color:var(--ink-2);font-weight:600}

/* ---------- Tablolar ---------- */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}
table.tbl{width:100%;border-collapse:collapse;font-size:14.5px;min-width:640px}
table.tbl th,table.tbl td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line-2);vertical-align:top}
table.tbl thead th{background:#f8fafc;font-weight:700;color:var(--ink);font-size:13.5px;border-bottom:2px solid var(--line)}
table.tbl tbody tr:last-child td{border-bottom:0}
table.tbl tbody tr:hover{background:#fbfdff}
table.tbl td.yes{color:var(--accent);font-weight:700}
table.tbl td.no{color:#cbd5e1;font-weight:700}
table.tbl th.hi{background:var(--brand-050);color:var(--brand-700)}
table.tbl .rowhead{font-weight:600;color:var(--ink)}

/* ---------- Adimlar ---------- */
.steps{display:grid;gap:14px;counter-reset:step}
.steps .step{
  display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-sm);
}
.steps .step::before{
  counter-increment:step;content:counter(step);
  flex-shrink:0;width:32px;height:32px;border-radius:50%;background:var(--brand-600);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.steps .step h4{margin:3px 0 4px}
.steps .step p{margin:0;color:var(--muted);font-size:14.5px}

/* ---------- KPI ---------- */
.kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px}
.kpi .item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}
.kpi .item .value{font-size:32px;font-weight:800;color:var(--brand-600);line-height:1.15;letter-spacing:-.02em}

/* ---------- CTA blogu ---------- */
.cta{
  background:linear-gradient(135deg,var(--brand-600) 0%,var(--brand-700) 55%,#312e81 100%);
  color:#fff;border-radius:var(--radius-lg);padding:44px 34px;text-align:center;box-shadow:var(--shadow-lg);
}
.cta h2,.cta h3{color:#fff;margin-top:0}
.cta p{color:rgba(255,255,255,.9);max-width:680px;margin:0 auto 22px}
.cta .btn-row{justify-content:center}
.cta .btn{background:#fff;color:var(--brand-700);border-color:#fff}
.cta .btn:hover{background:#f1f5f9;color:var(--brand-700)}
.cta .btn.outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.65)}
.cta .btn.outline:hover{background:rgba(255,255,255,.14);color:#fff}

/* ---------- SSS ---------- */
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:0;margin-bottom:10px;
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.faq summary{
  cursor:pointer;font-weight:650;padding:16px 18px;list-style:none;display:flex;
  justify-content:space-between;gap:14px;align-items:flex-start;color:var(--ink);font-size:15.5px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--brand-600);line-height:1;flex-shrink:0;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details[open] summary{border-bottom:1px solid var(--line-2)}
.faq .faq-body{padding:14px 18px 18px;color:var(--ink-2);font-size:15px}
.faq .faq-body p:last-child{margin-bottom:0}

/* ---------- Referans izgarasi ---------- */
.ref-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px;align-items:center}
.ref-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;
  display:flex;align-items:center;justify-content:center;min-height:92px;box-shadow:var(--shadow-sm);
  transition:box-shadow .2s,transform .2s;
}
.ref-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.ref-card img{max-height:46px;width:auto;object-fit:contain;filter:grayscale(100%);opacity:.78;transition:filter .25s,opacity .25s}
.ref-card.tall img{max-height:66px}  /* dikey formatli logolar */
.ref-card:hover img{filter:grayscale(0);opacity:1}
/* Logosu olmayan referanslar icin metin karti */
.ref-card.ref-name{font-weight:700;font-size:15px;color:#94a3b8;letter-spacing:.01em;text-align:center;line-height:1.35;padding:14px 10px;transition:color .25s}
.ref-card.ref-name:hover{color:var(--brand-700)}

/* ---------- Formlar ---------- */
.form-group{margin-bottom:16px}
.form-group label{display:block;margin-bottom:6px;font-weight:600;font-size:14.5px;color:var(--ink-2)}
.form-control{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:var(--radius-sm);
  font-family:inherit;font-size:15px;background:#fff;color:var(--ink);transition:border-color .16s,box-shadow .16s;
}
.form-control:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(37,99,235,.14)}
textarea.form-control{resize:vertical;min-height:130px}

/* ---------- Footer ---------- */
footer{background:#0b1220;color:#94a3b8;padding:48px 0 28px;margin-top:52px;font-size:14.5px}
footer h4{color:#f1f5f9;font-size:14px;letter-spacing:.06em;text-transform:uppercase;margin:0 0 14px}
footer a{color:#cbd5e1}
footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:32px;border-bottom:1px solid #1e293b}
.footer-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.footer-brand img{height:38px;margin-bottom:14px;filter:brightness(0) invert(1);opacity:.92}
.footer-brand p{color:#94a3b8;font-size:14px;max-width:330px}
.footer-row{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;align-items:center}
.footer-links{color:#94a3b8;display:flex;gap:10px;flex-wrap:wrap}

/* ---------- Yuzen aksiyonlar ---------- */
.float-wa{
  position:fixed;right:18px;bottom:18px;z-index:50;width:56px;height:56px;border-radius:50%;
  background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(37,211,102,.42);transition:transform .18s;
}
.float-wa:hover{transform:scale(1.07);color:#fff}
.float-wa svg{width:29px;height:29px}

/* Mobil alt aksiyon cubugu */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:55;
  background:rgba(255,255,255,.97);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);padding:8px 10px calc(8px + env(safe-area-inset-bottom));
  box-shadow:0 -4px 18px rgba(15,23,42,.09);
}
.mobile-cta .row{display:flex;gap:8px}
.mobile-cta a,.mobile-cta button{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  padding:7px 4px;border-radius:11px;border:1px solid var(--line);background:#fff;
  font-size:11.5px;font-weight:600;color:var(--ink-2);cursor:pointer;font-family:inherit;line-height:1.2;
}
.mobile-cta .primary{background:var(--brand-600);border-color:var(--brand-600);color:#fff}
.mobile-cta .wa{background:#25d366;border-color:#25d366;color:#fff}
.mobile-cta svg{width:19px;height:19px}

/* ---------- Mobil menu ---------- */
.mobile-menu-btn,.mobile-location-btn{
  display:none;background:none;border:1px solid var(--line);border-radius:10px;
  font-size:22px;cursor:pointer;padding:6px 10px;color:var(--ink);line-height:1;align-items:center;justify-content:center;
}
.mobile-menu-overlay{position:fixed;inset:0;background:rgba(15,23,42,.5);z-index:999;opacity:0;visibility:hidden;transition:opacity .28s,visibility .28s}
.mobile-menu-overlay.active{opacity:1;visibility:visible}
.mobile-menu{
  position:fixed;top:0;right:-100%;width:min(320px,86vw);height:100%;background:#fff;z-index:1000;
  box-shadow:-4px 0 24px rgba(15,23,42,.16);transition:right .3s cubic-bezier(.4,0,.2,1);padding:18px;overflow-y:auto;
}
.mobile-menu.active{right:0}
.mobile-menu-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.mobile-menu-close{background:none;border:none;font-size:30px;cursor:pointer;color:var(--muted);padding:0 4px;line-height:1}
.mobile-menu nav{display:flex;flex-direction:column}
.mobile-menu nav a{padding:13px 4px;border-bottom:1px solid var(--line-2);color:var(--ink);font-weight:600;font-size:15.5px}
.mobile-menu nav a:hover{color:var(--brand-600)}
.mobile-menu nav a.sub{padding-left:16px;font-weight:500;font-size:14.5px;color:var(--ink-2)}
.mobile-menu nav .mm-label{font-size:11.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:700;padding:16px 4px 6px}

/* ---------- Erisilebilirlik ---------- */
.sr-only{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
a.sr-only:focus{position:fixed;left:12px;top:12px;width:auto;height:auto;padding:10px 16px;background:var(--brand-600);color:#fff;border-radius:8px;z-index:2000}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:4px}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Duyarli ---------- */
@media(max-width:1080px){
  .menu a{padding:8px 8px;font-size:14px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media(max-width:960px){
  .hero{padding:34px 0 36px}
  .hero .top{grid-template-columns:1fr;gap:28px}
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
  .menu{display:none}
  .mobile-menu-btn,.mobile-location-btn{display:inline-flex}
  .nav-actions>.btn{display:none}
  section{padding:32px 0}
  .cta{padding:32px 22px;border-radius:18px}
  body{padding-bottom:66px}
  .mobile-cta{display:block}
  .float-wa{display:none}
}
@media(max-width:640px){
  .grid-auto{grid-template-columns:1fr}
  .ref-grid{grid-template-columns:repeat(auto-fill,minmax(126px,1fr));gap:11px}
  .footer-grid{grid-template-columns:1fr}
  .card{padding:18px}
  .kpi{grid-template-columns:repeat(2,1fr)}
  .logo img{height:34px}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}
@media print{
  header,footer,.mobile-cta,.float-wa,.mobile-menu,.mobile-menu-overlay,.cta{display:none!important}
  body{background:#fff;padding:0}
  .card{box-shadow:none;border:1px solid #ddd}
}