:root{
  --navy:#0a2a43;
  --navy-2:#0f3a5c;
  --blue:#1a6fce;
  --blue-d:#12569f;
  --cyan:#2bd4d4;
  --ink:#12263a;
  --muted:#5b7186;
  --line:#e4ebf2;
  --bg:#ffffff;
  --bg-soft:#f4f8fc;
  --radius:16px;
  --shadow:0 18px 40px -18px rgba(10,42,67,.35);
  --shadow-sm:0 8px 20px -10px rgba(10,42,67,.30);
  --font:'Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;color:var(--navy);font-weight:800}
h1{font-size:clamp(2rem,4.5vw,3.2rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.4rem)}
p{margin:0 0 1rem}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 22px}
.section{padding:84px 0}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#12559f;background:rgba(26,111,206,.12);padding:6px 14px;border-radius:999px;margin-bottom:18px}

/* Erişilebilirlik: içeriğe geç bağlantısı */
.skip-link{position:absolute;left:-999px;top:0;z-index:1000;background:var(--blue);color:#fff;padding:12px 20px;border-radius:0 0 10px 0;font-weight:700}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid #7fb2f0;outline-offset:2px}
.lead{font-size:1.12rem;color:var(--muted);max-width:720px}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:1rem;padding:13px 26px;border-radius:999px;cursor:pointer;border:2px solid transparent;transition:.2s ease;white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 12px 24px -10px rgba(31,122,224,.7)}
.btn-primary:hover{background:var(--blue-d);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{background:#fff;color:var(--blue);border-color:var(--line)}
.btn-outline:hover{border-color:var(--blue)}
.btn-sm{padding:9px 18px;font-size:.9rem}

/* Header */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:26px;height:74px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.32rem;color:var(--navy)}
.logo .mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;color:#fff;box-shadow:var(--shadow-sm)}
.logo b{color:var(--blue)}
.nav-links{display:flex;gap:24px;margin-left:14px}
.nav-links a{font-weight:600;color:var(--ink);font-size:.98rem;padding:6px 2px;border-bottom:2px solid transparent;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--blue);border-color:var(--blue)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:18px}
.nav-phone{font-weight:800;color:var(--navy);white-space:nowrap}
.menu-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0;border-radius:2px}

/* Hero */
.hero{position:relative;background:radial-gradient(1100px 600px at 80% -10%,rgba(43,212,212,.18),transparent 60%),linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 55%,#123f63 100%);color:#eaf3fb;overflow:hidden}
.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(700px 420px at 78% 20%,#000,transparent 75%);opacity:.6}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;padding:82px 0}
.hero h1{color:#fff}
.hero h1 span{background:linear-gradient(90deg,var(--cyan),#8fd6ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:#c3d6e8;font-size:1.15rem;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.chip{font-size:.82rem;font-weight:700;padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#dbe9f6}

/* Viewer mockup */
.viewer{background:#0b1c2c;border:1px solid rgba(255,255,255,.12);border-radius:18px;box-shadow:0 40px 80px -30px rgba(0,0,0,.6);overflow:hidden}
.viewer-bar{display:flex;align-items:center;gap:7px;padding:12px 14px;background:#0e2436;border-bottom:1px solid rgba(255,255,255,.08)}
.viewer-bar i{width:11px;height:11px;border-radius:50%;background:#ff5f57;display:block}
.viewer-bar i:nth-child(2){background:#febc2e}
.viewer-bar i:nth-child(3){background:#28c840}
.viewer-bar span{margin-left:8px;color:#93aec5;font-size:.78rem;font-weight:600}
.viewer-body{display:grid;grid-template-columns:52px 1fr;gap:0}
.viewer-tools{background:#0d2133;display:flex;flex-direction:column;gap:14px;align-items:center;padding:16px 0;border-right:1px solid rgba(255,255,255,.06)}
.viewer-tools b{width:20px;height:20px;border-radius:6px;background:rgba(43,212,212,.25);border:1px solid rgba(43,212,212,.5)}
.viewer-tools b:nth-child(odd){background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14)}
.viewer-canvas{position:relative;aspect-ratio:4/3;background:radial-gradient(closest-side at 50% 48%,#3a5568 0%,#1b2f40 55%,#0b1c2c 100%)}
.viewer-canvas .scan{position:absolute;inset:0;margin:auto;width:62%;height:70%;border-radius:50%;background:radial-gradient(closest-side,rgba(200,225,245,.85),rgba(120,160,190,.35) 60%,transparent 72%);filter:blur(.3px);mix-blend-mode:screen;opacity:.9}
.viewer-canvas .ring{position:absolute;inset:0;margin:auto;width:44%;height:52%;border-radius:50%;border:1px solid rgba(43,212,212,.5);box-shadow:0 0 40px rgba(43,212,212,.25) inset}
.viewer-canvas .cross{position:absolute;background:rgba(43,212,212,.55)}
.viewer-canvas .cross.h{left:8%;right:8%;top:50%;height:1px}
.viewer-canvas .cross.v{top:8%;bottom:8%;left:50%;width:1px}
.viewer-canvas .meta{position:absolute;top:12px;left:14px;color:#9fe9e9;font:600 11px/1.5 monospace;text-shadow:0 1px 2px #000}
.viewer-canvas .meta.r{left:auto;right:14px;text-align:right;color:#cfe0ef}
.viewer-canvas .meta.b{top:auto;bottom:12px;color:#cfe0ef}

/* Marquee / trust */
.strip{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip .container{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 34px;padding:26px 22px;align-items:center}
.strip span{font-weight:800;color:var(--navy);opacity:.62;font-size:1.02rem;letter-spacing:.02em}

/* Feature grid */
.grid{display:grid;gap:24px}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.25s ease}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.card .ico{width:56px;height:56px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(31,122,224,.12),rgba(43,212,212,.16));color:var(--blue);margin-bottom:18px}
.card h3{font-size:1.22rem;margin-bottom:8px}
.card p{color:var(--muted);margin:0;font-size:.98rem}

/* Split section */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.checklist{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:14px}
.checklist li{display:flex;gap:13px;align-items:flex-start;font-weight:600;color:var(--ink)}
.checklist li svg{flex:0 0 auto;margin-top:3px;color:#17b26a}
.panel{background:linear-gradient(160deg,var(--navy),var(--navy-2));border-radius:22px;padding:40px;color:#dbe9f6;box-shadow:var(--shadow)}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:20px}
.stat b{display:block;font-size:2rem;color:#fff;font-weight:800;line-height:1}
.stat small{color:#9fbdd8;font-weight:600;font-size:.9rem;display:block;margin-top:8px}

/* Dark section */
.dark{background:linear-gradient(160deg,var(--navy),#0c3450);color:#dbe9f6}
.dark h2,.dark h3{color:#fff}
.dark .lead{color:#a9c4dc}
.dark .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.dark .card:hover{background:rgba(255,255,255,.08);box-shadow:none}
.dark .card h3{color:#fff}
.dark .card p{color:#a9c4dc}
.dark .card .ico{background:rgba(43,212,212,.14);color:var(--cyan)}

/* Standards cards */
.std{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center;transition:.25s}
.std:hover{border-color:var(--blue);transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.std b{display:block;font-size:1.15rem;color:var(--navy);margin-bottom:6px}
.std small{color:var(--muted);font-size:.9rem}
.std .tag{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.08em;color:var(--blue);background:rgba(31,122,224,.1);padding:4px 10px;border-radius:999px;margin-bottom:14px}

/* ===== BLOG ===== */
.page-head{background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#eaf3fb;padding:64px 0 56px;position:relative;overflow:hidden}
.page-head:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(600px 300px at 80% 10%,#000,transparent 75%);opacity:.55}
.page-head .container{position:relative;z-index:2}
.page-head h1{color:#fff;margin-bottom:10px}
.page-head p{color:#bcd2e6;max-width:640px;margin:0}
.crumb{font-size:.9rem;color:#9fbdd8;margin-bottom:16px}
.crumb a{color:#9fbdd8}
.crumb a:hover{color:var(--cyan)}

.cat-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.cat-filter a{font-size:.9rem;font-weight:700;padding:8px 16px;border-radius:999px;border:1px solid var(--line);color:var(--muted);background:#fff;transition:.2s}
.cat-filter a:hover{border-color:var(--blue);color:var(--blue)}
.cat-filter a.active{background:var(--blue);color:#fff;border-color:var(--blue)}

.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.post-thumb{aspect-ratio:16/9;background:linear-gradient(135deg,var(--navy),var(--blue));position:relative;overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-thumb .ph{position:absolute;inset:0;display:grid;place-items:center;color:rgba(255,255,255,.85)}
.post-thumb .catbadge{position:absolute;top:12px;left:12px;font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;background:rgba(10,42,67,.85);color:#fff;padding:5px 11px;border-radius:999px}
.post-body{padding:22px;display:flex;flex-direction:column;flex:1}
.post-meta{font-size:.82rem;color:var(--muted);font-weight:600;margin-bottom:10px;display:flex;gap:12px;flex-wrap:wrap}
.post-card h2,.post-card h3{font-size:1.18rem;margin-bottom:8px;line-height:1.3}
.post-card h2 a:hover,.post-card h3 a:hover{color:var(--blue)}
.post-card p{color:var(--muted);font-size:.95rem;margin:0 0 16px}
.post-card .more{margin-top:auto;font-weight:700;color:var(--blue);font-size:.92rem;display:inline-flex;align-items:center;gap:6px}

.pagination{display:flex;justify-content:center;gap:8px;margin-top:44px;flex-wrap:wrap}
.pagination a,.pagination span{min-width:42px;height:42px;display:grid;place-items:center;border-radius:10px;border:1px solid var(--line);font-weight:700;color:var(--ink);padding:0 12px}
.pagination a:hover{border-color:var(--blue);color:var(--blue)}
.pagination .current{background:var(--blue);color:#fff;border-color:var(--blue)}
.pagination .disabled{opacity:.4;pointer-events:none}

/* SSS (FAQPage) */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .2s}
.faq-item[open]{border-color:var(--blue)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 54px 20px 24px;font-weight:700;color:var(--navy);font-size:1.04rem;position:relative;line-height:1.45}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";position:absolute;right:24px;top:50%;width:11px;height:11px;border-right:2.5px solid var(--blue);border-bottom:2.5px solid var(--blue);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq-item[open] summary::after{transform:translateY(-25%) rotate(-135deg)}
.faq-item summary:hover{color:var(--blue)}
.faq-a{padding:0 24px 22px;color:var(--muted);line-height:1.75}
.faq-a p{margin:0}

/* Single post */
.article{max-width:800px;margin:0 auto}
.article .cover{width:100%;aspect-ratio:16/8;object-fit:cover;border-radius:18px;margin-bottom:34px;box-shadow:var(--shadow)}
.article-body{font-size:1.08rem;color:#2b3f52;line-height:1.85}
.article-body h2{font-size:1.6rem;margin:1.6em 0 .5em}
.article-body h3{font-size:1.3rem;margin:1.4em 0 .5em}
.article-body p{margin:0 0 1.2em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em}
.article-body li{margin-bottom:.5em}
.article-body img{border-radius:14px;margin:1.5em 0}
.article-body blockquote{border-left:4px solid var(--blue);background:var(--bg-soft);margin:1.5em 0;padding:16px 22px;border-radius:0 12px 12px 0;color:var(--navy);font-weight:600}
.article-body a{color:var(--blue);text-decoration:underline}
.article-body code{background:var(--bg-soft);padding:2px 7px;border-radius:6px;font-size:.9em}
.article-body .table-wrap{overflow-x:auto;margin:1.6em 0}
.article-body table{width:100%;border-collapse:collapse;font-size:.96rem;min-width:480px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--bg-soft);color:var(--navy);font-weight:800}
.article-body tbody tr:nth-child(even){background:#fafcfe}
.share{display:flex;gap:10px;align-items:center;margin:36px 0;padding-top:24px;border-top:1px solid var(--line)}
.share span{font-weight:700;color:var(--navy);margin-right:4px}
.share a{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;color:var(--muted)}
.share a:hover{border-color:var(--blue);color:var(--blue)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:stretch}
form.app{display:grid;gap:16px}
.field{display:grid;gap:6px}
.field label{font-weight:700;font-size:.9rem;color:var(--navy)}
.field input,.field textarea,.field select{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:12px;font:inherit;font-size:.98rem;background:#fff;transition:.2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(31,122,224,.12)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.info-card{background:linear-gradient(160deg,var(--navy),var(--navy-2));border-radius:22px;padding:38px;color:#dbe9f6;box-shadow:var(--shadow)}
.info-card h3{color:#fff}
.info-item{display:flex;gap:14px;align-items:flex-start;margin-top:22px}
.info-item .ico{width:44px;height:44px;border-radius:12px;background:rgba(43,212,212,.16);color:var(--cyan);display:grid;place-items:center;flex:0 0 auto}
.info-item b{color:#fff;display:block}
.info-item span{color:#a9c4dc;font-size:.95rem}
.alert{padding:14px 18px;border-radius:12px;font-weight:600;margin-bottom:8px}
.alert-ok{background:#e7f8ef;color:#0f7a44;border:1px solid #b7e6cd}
.alert-err{background:#fdeaea;color:#b42318;border:1px solid #f5c2c0}

/* Footer */
footer.site{background:var(--navy);color:#b9cee1;padding:56px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
footer.site h4{color:#fff;font-size:1rem;margin-bottom:16px}
footer.site a{color:#b9cee1;font-size:.95rem}
footer.site a:hover{color:var(--cyan)}
footer.site ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.foot-logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.3rem;color:#fff;margin-bottom:14px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding:22px 0;text-align:center;font-size:.88rem;color:#8fa9c1}
.foot-bottom a{color:var(--cyan)}

/* Floating bar */
.float-bar{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);display:flex;border-radius:15px;overflow:hidden;box-shadow:0 8px 25px rgba(0,0,0,.3);z-index:999;width:min(92%,420px)}
.float-bar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:11px 0;color:#fff;font-size:11px;font-weight:800;text-transform:uppercase;gap:3px;transition:.2s}
.float-bar a:active{transform:scale(.97);opacity:.85}
.fb-call{background:#1f7ae0}
.fb-wp{background:#25d366}
.float-bar svg{width:22px;height:22px;fill:#fff}

/* Admin */
.admin-wrap{max-width:1080px;margin:0 auto;padding:30px 22px}
.admin-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;flex-wrap:wrap;gap:14px}
.admin-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.admin-table th,.admin-table td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);font-size:.94rem}
.admin-table th{background:var(--bg-soft);color:var(--navy);font-weight:800}
.admin-table tr:last-child td{border-bottom:0}
.badge{font-size:.75rem;font-weight:800;padding:4px 10px;border-radius:999px}
.badge-pub{background:#e7f8ef;color:#0f7a44}
.badge-draft{background:#fff3e0;color:#b26a00}
.login-box{max-width:420px;margin:8vh auto;background:#fff;border:1px solid var(--line);border-radius:18px;padding:38px;box-shadow:var(--shadow)}

@media(max-width:940px){
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr}
  .cols-4{grid-template-columns:repeat(2,1fr)}
  .cols-3,.post-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links,.nav-phone{display:none}
  .menu-toggle{display:block;margin-left:auto}
  .nav-cta{margin-left:0}
}
@media(max-width:560px){
  .section{padding:60px 0}
  .cols-4,.cols-3,.row2,.stat-grid,.post-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-grid{padding:56px 0}
  .float-bar{bottom:0;width:100%;border-radius:0}
}
.mobile-menu{display:none}
.mobile-menu.open{display:block;border-top:1px solid var(--line);background:#fff}
.mobile-menu a{display:block;padding:14px 22px;font-weight:600;border-bottom:1px solid var(--line)}

/* ==================== Fotoğraf görselleri ==================== */
.media{width:100%;display:block;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);object-fit:cover}
.media-wide{width:100%;aspect-ratio:16/7;object-fit:cover;object-position:center;display:block;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow)}
.dark .media,.dark .media-wide,.panel .media{border-color:rgba(255,255,255,.14)}
figure.media-figure{margin:0}
figure.media-figure figcaption{margin-top:12px;font-size:.86rem;color:var(--muted)}
.dark figure.media-figure figcaption{color:#a9c4dc}
@media(max-width:860px){.media-wide{aspect-ratio:16/10}}