/* =====================================================================
   BÜYÜK ALAN ISITMA (Nemark) — style.css  (UTF-8)
   Font: Open Sans | Renkler: kurumsal mavi
   ===================================================================== */
:root{
  --mavi:#1a3a6c;
  --mavi2:#2a6bb0;
  --acik:#3aa0c8;
  --gri:#f4f7fb;
  --metin:#2a2f36;
  --gri-metin:#5c6773;
  --border:#e2e8f0;
  --beyaz:#ffffff;
  --sari:#f5a623;
  --yesil:#25d366;
  --max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Open Sans',Arial,sans-serif;
  color:var(--metin);
  line-height:1.7;
  background:var(--beyaz);
  font-size:16px;
}
a{color:var(--mavi2);text-decoration:none;transition:.2s}
a:hover{color:var(--acik)}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
h1,h2,h3,h4{color:var(--mavi);line-height:1.3;font-weight:700}
.sec-title{font-size:1.9rem;text-align:center;margin-bottom:.5rem;position:relative;padding-bottom:14px}
.sec-title:after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:64px;height:3px;background:var(--acik);border-radius:2px}
.sec-sub{text-align:center;color:var(--gri-metin);margin-bottom:1.8rem}

/* ---------- Header ---------- */
.topbar{background:var(--mavi);color:#dfeaf5;font-size:.85rem}
.topbar-in{display:flex;gap:22px;align-items:center;padding:8px 20px;flex-wrap:wrap}
.topbar a{color:#dfeaf5}
.topbar a:hover{color:#fff}
.tb-item{display:inline-flex;align-items:center;gap:5px}
.tb-teslimat{display:none}
.tb-item.tb-hide{margin-left:auto}
.site-header{position:sticky;top:0;z-index:1000;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.07)}
.header-in{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;gap:20px}
.logo img{height:52px;width:auto}
.main-nav{display:flex;align-items:center;gap:18px}
.main-nav>ul{display:flex;list-style:none;gap:4px;align-items:center}
.main-nav>ul>li{position:relative}
.main-nav>ul>li>a{display:block;padding:10px 14px;font-weight:600;color:var(--metin);border-radius:6px}
.main-nav>ul>li>a:hover{background:var(--gri);color:var(--mavi)}
.caret{font-style:normal;font-size:.7em}
.submenu{
  position:absolute;top:100%;left:0;min-width:270px;background:#fff;
  box-shadow:0 10px 30px rgba(0,0,0,.14);border-radius:8px;list-style:none;
  padding:8px 0;opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s;
  max-height:70vh;overflow-y:auto;z-index:1200;
}
.has-sub:hover .submenu{opacity:1;visibility:visible;transform:translateY(0)}
.submenu li a{display:block;padding:9px 18px;color:var(--metin);font-size:.93rem}
.submenu li a:hover{background:var(--gri);color:var(--mavi);padding-left:22px}
.nav-cta{background:var(--sari);color:#fff!important;padding:10px 18px;border-radius:6px;font-weight:700}
.nav-cta:hover{background:#e0940f;color:#fff!important}
.nav-close{display:none}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:3px;background:var(--mavi);border-radius:2px;transition:.3s}

/* ---------- Slider ---------- */
.hero-slider{position:relative;overflow:hidden;background:var(--mavi)}
.slides{position:relative;height:520px}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .8s;background-size:cover;background-position:center;display:flex;align-items:center;justify-content:center;text-align:center}
.slide.active{opacity:1}
.slide-bg-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0}
.slide-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(20,45,90,.72),rgba(40,110,180,.55))}
.slide-content{position:relative;z-index:2;color:#fff;max-width:820px;padding:20px}
.slide-content h1{color:#fff;font-size:2.6rem;margin-bottom:12px;text-shadow:0 2px 12px rgba(0,0,0,.35)}
.slide-content h2{color:#eaf3fb;font-size:1.4rem;font-weight:600;margin-bottom:14px;text-shadow:0 2px 8px rgba(0,0,0,.3)}
.slide-content p{color:#f0f6fc;font-size:1.05rem;margin-bottom:22px;text-shadow:0 1px 6px rgba(0,0,0,.3)}
.slide-btn{display:inline-block;background:var(--sari);color:#fff;padding:13px 30px;border-radius:8px;font-weight:700;font-size:1.05rem}
.slide-btn:hover{background:#e0940f;color:#fff;transform:translateY(-2px)}
.slider-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.22);color:#fff;border:none;font-size:2.2rem;width:52px;height:52px;border-radius:50%;cursor:pointer;z-index:3;transition:.2s;line-height:1}
.slider-nav:hover{background:rgba(255,255,255,.4)}
.slider-nav.prev{left:20px}
.slider-nav.next{right:20px}
.slider-dots{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:3}
.slider-dots button{width:12px;height:12px;border-radius:50%;border:2px solid #fff;background:transparent;cursor:pointer;padding:0}
.slider-dots button.active{background:#fff}

/* ---------- CTA üretim-satış-kiralama (yanıp sönen) ---------- */
.cta-uskir{background:linear-gradient(90deg,var(--mavi),var(--mavi2));color:#fff;text-align:center;padding:14px 0;font-size:1.02rem}
.cta-uskir a{color:#ffe08a;font-weight:700}
.cta-uskir b{color:#ffdf7e}
.blink-dot{display:inline-block;width:12px;height:12px;background:var(--sari);border-radius:50%;margin-right:8px;animation:blink 1s infinite;vertical-align:middle}
@keyframes blink{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.7)}}

/* ---------- Breadcrumb ---------- */
.breadcrumb{background:var(--gri);padding:12px 0;font-size:.9rem;border-bottom:1px solid var(--border)}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.breadcrumb li:not(:last-child):after{content:"›";margin-left:6px;color:var(--gri-metin)}
.breadcrumb .current{color:var(--gri-metin)}

/* ---------- Intro ---------- */
.intro-sec{padding:56px 0 20px}
.intro-p{max-width:900px;margin:0 auto;text-align:center;color:var(--gri-metin);font-size:1.05rem}

/* ---------- Hizmet kartları ---------- */
.hizmet-kartlar,.products,.sektorler,.surec,.faq-sec,.neden-sec{padding:56px 0}
.hk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:2rem}
.hk-card{background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;text-align:center;transition:.25s;display:flex;flex-direction:column;align-items:stretch;gap:0}
.hk-card:hover{border-color:var(--acik);box-shadow:0 12px 28px rgba(26,58,108,.12);transform:translateY(-4px)}
.hk-img{display:block;width:100%;aspect-ratio:2/1;overflow:hidden;background:var(--gri)}
.hk-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s ease}
.hk-card:hover .hk-img img{transform:scale(1.06)}
.hk-card h3{font-size:1.05rem;color:var(--mavi);padding:16px 16px 4px}
.hk-more{color:var(--acik);font-weight:600;font-size:.9rem;margin-top:auto;padding:0 16px 16px}

/* ---------- Ürünler ---------- */
.products{background:var(--gri)}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:1rem}
.product-card{background:#fff;border-radius:12px;overflow:hidden;border:1px solid var(--border);transition:.25s;text-align:center;padding-bottom:16px}
.product-card:hover{box-shadow:0 12px 28px rgba(26,58,108,.12);transform:translateY(-4px)}
.product-img{aspect-ratio:1;background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden}
.product-img img{width:100%;height:100%;object-fit:cover}
.product-card h3{font-size:1rem;margin:14px 12px 6px}
.product-tag{font-size:.8rem;color:var(--acik);font-weight:600}

/* ---------- Sektörler ---------- */
.sektor-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:2rem}
.sektor-card{background:#fff;border:1px solid var(--border);border-top:3px solid var(--acik);border-radius:10px;padding:22px 18px;transition:.25s}
.sektor-card:hover{box-shadow:0 10px 24px rgba(26,58,108,.1);transform:translateY(-3px)}
.sektor-card h3{font-size:1.05rem;margin-bottom:8px}
.sektor-card p{font-size:.9rem;color:var(--gri-metin)}

/* ---------- Süreç ---------- */
.surec{background:var(--mavi);color:#fff}
.surec .sec-title{color:#fff}
.surec .sec-title:after{background:var(--sari)}
.surec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:2rem}
.surec-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:26px 20px;text-align:center;position:relative}
.surec-no{width:44px;height:44px;background:var(--sari);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.2rem;margin:0 auto 14px}
.surec-card h3{color:#fff;font-size:1.05rem;margin-bottom:8px}
.surec-card p{color:#d5e3f2;font-size:.9rem}

/* ---------- Makale ---------- */
.hizmet-hero{background:var(--mavi);background-size:cover;background-position:center;position:relative;padding:70px 0;text-align:center}
.hizmet-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(20,45,90,.8),rgba(40,110,180,.6))}
.hizmet-hero .container{position:relative;z-index:2}
.hizmet-hero h1{color:#fff;font-size:2.2rem;margin-bottom:10px;text-shadow:0 2px 10px rgba(0,0,0,.35)}
.hizmet-hero p{color:#eaf3fb;margin-bottom:18px}
.hizmet-makale{padding:50px 0}
.hizmet-makale .container{max-width:900px}
.makale-intro{font-size:1.1rem;color:var(--metin);margin-bottom:24px;font-weight:500}
.hizmet-makale h2{font-size:1.45rem;margin:28px 0 12px}
.hizmet-makale p{margin-bottom:14px;color:#3a424c}
.makale-banner{margin:30px 0;border-radius:12px;overflow:hidden;box-shadow:0 10px 30px rgba(26,58,108,.14)}
.makale-banner img{width:100%}
.makale-banner figcaption{background:var(--mavi);color:#dfeaf5;font-size:.85rem;text-align:center;padding:8px}

/* ---------- Neden tercih ---------- */
.neden-sec{background:var(--gri)}
.neden-p{max-width:900px;margin:1rem auto 0;text-align:center;color:var(--gri-metin);font-size:1.05rem}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:2rem auto 0}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:10px;margin-bottom:12px;overflow:hidden}
.faq-item summary{padding:18px 22px;font-weight:600;color:var(--mavi);cursor:pointer;list-style:none;position:relative;padding-right:44px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--acik)}
.faq-item[open] summary:after{content:"−"}
.faq-a{padding:0 22px 18px;color:var(--gri-metin)}

/* ---------- Bölge iç linkleme ---------- */
.bolgeler-blok{background:var(--gri);padding:50px 0;border-top:1px solid var(--border)}
.bolgeler-blok h2{text-align:center;font-size:1.5rem;margin-bottom:1.8rem}
.bolge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.bolge-col{background:#fff;border:1px solid var(--border);border-radius:10px;padding:16px}
.bolge-il{display:block;font-weight:700;color:var(--mavi);border-bottom:2px solid var(--acik);padding-bottom:8px;margin-bottom:8px}
.bolge-ilceler{display:flex;flex-wrap:wrap;gap:4px 10px}
.bolge-ilceler a{font-size:.85rem;color:var(--gri-metin)}
.bolge-ilceler a:hover{color:var(--acik)}
.parent-link{background:#fff;padding:20px 0}
.parent-link .container{max-width:900px}
.parent-link p{background:var(--gri);border-left:3px solid var(--acik);padding:14px 18px;border-radius:6px}

/* ---------- Sayfa içerik ---------- */
.page-content{padding:50px 0}
.page-content h1{font-size:2rem;margin-bottom:20px}
.page-narrow{padding:70px 20px;max-width:800px;text-align:center}
.about-body p{margin-bottom:16px;color:#3a424c}
.iletisim-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:1rem}
.il-card{background:var(--gri);border:1px solid var(--border);border-radius:12px;padding:24px}
.il-card h3{margin-bottom:10px;font-size:1.1rem}

/* ---------- Footer ---------- */
.site-footer{background:#12233f;color:#c3d2e4;padding:56px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px}
.f-logo{background:#fff;padding:8px 12px;border-radius:8px;height:52px;width:auto;margin-bottom:14px}
.f-col p{font-size:.9rem;margin-bottom:8px}
.f-col h4{color:#fff;margin-bottom:14px;font-size:1.05rem}
.f-col ul{list-style:none}
.f-col ul li{margin-bottom:8px}
.f-col a{color:#c3d2e4;font-size:.9rem}
.f-col a:hover{color:var(--acik)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding:18px 0;font-size:.85rem;text-align:center;color:#8fa3bd}

/* ---------- Mobil sabit ara/whatsapp (yanıp sönen) ---------- */
.mobile-cta{display:none;position:fixed;left:0;right:0;bottom:0;z-index:1500;gap:0}
.mcta-call,.mcta-wa{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:15px 0;font-weight:700;color:#fff;font-size:1.02rem;position:relative;overflow:hidden}
.mcta-call{background:linear-gradient(90deg,#1a3a6c,#2a6bb0)}
.mcta-wa{background:linear-gradient(90deg,#1ebe57,#25d366)}
.mcta-call:hover,.mcta-wa:hover{color:#fff}
.mcta-ic{font-size:1.2rem;animation:pulse 1.3s infinite}
.mcta-call:before,.mcta-wa:before{content:"";position:absolute;top:0;left:-100%;width:60%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);animation:shine 2.4s infinite}
@keyframes shine{0%{left:-100%}55%,100%{left:130%}}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.22)}}