/* ============================================================
   RVZ BİLİŞİM — Blog Makale Sayfası (article.css)
   theme-v2.css ile birlikte kullanılır (nav / footer / font / renk).
   Bu dosya: arka plan katmanları, makale hero'su, okunabilir
   tipografi (prose), breadcrumb, içindekiler, callout, paylaş,
   ilgili yazılar ve kategori aksan renkleri.
   ============================================================ */

:root{
  --bg:#e3eaf4;
  --ink:#0e1f3d;          /* ana metin — yüksek kontrast */
  --ink-soft:#33465f;     /* ikincil metin */
  --line:rgba(26,92,219,.14);
  --card:rgba(255,255,255,.86);
  --maxw:760px;
  /* kategori aksanları */
  --cat-security:#7c3aed;
  --cat-cloud:#0891b2;
  --cat-network:#ea580c;
  --cat-server:#0369a1;
  --cat-genel:#059669;
  --cat:var(--accent,#1a5cdb);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--ink);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

/* ── Arka plan katmanları ── */
.grid-bg{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(26,92,219,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(26,92,219,.045) 1px,transparent 1px);
  background-size:60px 60px;}
.glow{position:fixed;border-radius:50%;filter:blur(150px);pointer-events:none;z-index:0;}
.glow-a{width:820px;height:820px;top:-320px;left:-300px;
  background:radial-gradient(circle,rgba(26,92,219,.15) 0%,rgba(26,92,219,.03) 55%,transparent 75%);}
.glow-b{width:640px;height:640px;bottom:-260px;right:-240px;
  background:radial-gradient(circle,rgba(124,58,237,.10) 0%,rgba(124,58,237,.03) 55%,transparent 75%);}

/* ── Okuma ilerleme çubuğu ── */
#vp{position:fixed;top:0;left:0;right:0;z-index:500;height:3px;}
#vp::after{content:'';display:block;height:100%;width:var(--pct,0%);
  background:linear-gradient(90deg,var(--blue),var(--cat));transition:width .1s linear;}

/* ── Sayfa geçiş perdesi ── */
#page-overlay{position:fixed;inset:0;z-index:9990;background:var(--bg);pointer-events:none;opacity:1;transition:opacity .45s ease;}
#page-overlay.loaded{opacity:0;}

/* ── Makale kabı ── */
.post{position:relative;z-index:10;max-width:var(--maxw);margin:0 auto;padding:150px 24px 40px;}

/* Breadcrumb */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.74rem;color:var(--ink-soft);margin-bottom:26px;}
.crumb a{color:var(--ink-soft);text-decoration:none;transition:color .2s;}
.crumb a:hover{color:var(--cat);}
.crumb span{opacity:.5;}

/* Kategori rozeti */
.post-cat{display:inline-flex;align-items:center;gap:7px;font-size:.7rem;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  padding:6px 14px;border-radius:30px;color:var(--cat);background:color-mix(in srgb,var(--cat) 12%,transparent);
  border:1px solid color-mix(in srgb,var(--cat) 30%,transparent);}
.post-cat::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--cat);}
.post-cat.security{--cat:var(--cat-security);}
.post-cat.cloud{--cat:var(--cat-cloud);}
.post-cat.network{--cat:var(--cat-network);}
.post-cat.server{--cat:var(--cat-server);}
.post-cat.genel{--cat:var(--cat-genel);}

/* Başlık + özet */
.post h1{font-size:clamp(1.9rem,4.4vw,3rem);font-weight:800;line-height:1.12;letter-spacing:-.03em;color:var(--ink);margin:20px 0 18px;}
.post-lead{font-size:1.12rem;line-height:1.7;color:var(--ink-soft);margin-bottom:26px;font-weight:400;}

/* Meta satırı */
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:.82rem;color:var(--ink-soft);}
.post-meta .who{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--ink);}
.post-meta .ava{width:34px;height:34px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  font-size:.7rem;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--blue),var(--cat));letter-spacing:.5px;}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-soft);opacity:.45;}

/* Hero görsel bandı (ikon) */
.post-hero{position:relative;z-index:10;max-width:var(--maxw);margin:26px auto 0;padding:0 24px;}
.post-hero-ico{aspect-ratio:16/6;border-radius:20px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,color-mix(in srgb,var(--cat) 16%,transparent),color-mix(in srgb,var(--cat) 4%,transparent));
  border:1px solid color-mix(in srgb,var(--cat) 22%,transparent);overflow:hidden;position:relative;}
.post-hero-ico::before{content:'';position:absolute;inset:0;
  background-image:linear-gradient(color-mix(in srgb,var(--cat) 8%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--cat) 8%,transparent) 1px,transparent 1px);
  background-size:26px 26px;opacity:.6;}
.post-hero-ico svg{width:72px;height:72px;stroke:var(--cat);fill:none;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;position:relative;}
.post-hero-ico.security{--cat:var(--cat-security);}
.post-hero-ico.cloud{--cat:var(--cat-cloud);}
.post-hero-ico.network{--cat:var(--cat-network);}
.post-hero-ico.server{--cat:var(--cat-server);}
.post-hero-ico.genel{--cat:var(--cat-genel);}

/* ── Prose / makale gövdesi ── */
.post-body{position:relative;z-index:10;max-width:var(--maxw);margin:0 auto;padding:36px 24px 10px;
  font-size:1.05rem;line-height:1.85;color:var(--ink);}
.post-body > p{margin:0 0 22px;}
.post-body strong{color:var(--ink);font-weight:700;}
.post-body a{color:var(--cat);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.post-body a:hover{opacity:.8;}

.post-body h2{font-size:1.5rem;font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1.25;
  margin:44px 0 16px;padding-left:16px;border-left:4px solid var(--cat);}
.post-body h3{font-size:1.16rem;font-weight:700;color:var(--ink);margin:30px 0 12px;}

.post-body ul,.post-body ol{margin:0 0 22px;padding-left:4px;list-style:none;}
.post-body ul li,.post-body ol li{position:relative;padding-left:28px;margin-bottom:11px;line-height:1.7;}
.post-body ul li::before{content:'';position:absolute;left:6px;top:.62em;width:7px;height:7px;border-radius:2px;background:var(--cat);transform:rotate(45deg);}
.post-body ol{counter-reset:li;}
.post-body ol li{counter-increment:li;}
.post-body ol li::before{content:counter(li);position:absolute;left:0;top:.05em;width:20px;height:20px;border-radius:6px;
  font-size:.72rem;font-weight:800;color:var(--cat);background:color-mix(in srgb,var(--cat) 13%,transparent);
  display:flex;align-items:center;justify-content:center;}

.post-body blockquote{margin:26px 0;padding:18px 24px;border-radius:0 14px 14px 0;
  border-left:4px solid var(--cat);background:color-mix(in srgb,var(--cat) 7%,transparent);
  font-size:1.08rem;line-height:1.7;color:var(--ink);font-style:italic;}

/* Callout kutuları */
.callout{display:flex;gap:14px;margin:26px 0;padding:18px 20px;border-radius:14px;background:var(--card);
  border:1px solid var(--line);box-shadow:0 6px 22px -12px rgba(0,97,168,.18);}
.callout .ico{flex-shrink:0;width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:color-mix(in srgb,var(--cat) 13%,transparent);color:var(--cat);}
.callout .ico svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.callout .ct{font-size:.94rem;line-height:1.65;color:var(--ink);}
.callout .ct b{display:block;margin-bottom:3px;color:var(--ink);}
.callout.tip{--cat:var(--cat-genel);}
.callout.warn{--cat:var(--cat-network);}
.callout.local{--cat:var(--blue);}

/* Anahtar veri / istatistik şeridi */
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:30px 0;}
.stat{padding:18px 16px;border-radius:14px;background:var(--card);border:1px solid var(--line);text-align:center;}
.stat b{display:block;font-size:1.7rem;font-weight:800;color:var(--cat);letter-spacing:-.02em;}
.stat span{font-size:.76rem;color:var(--ink-soft);line-height:1.4;}

/* Tablo */
.post-body .tbl{width:100%;overflow-x:auto;margin:26px 0;}
.post-body table{width:100%;border-collapse:collapse;font-size:.92rem;min-width:420px;}
.post-body th,.post-body td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);}
.post-body thead th{color:var(--cat);font-weight:700;font-size:.78rem;letter-spacing:.4px;text-transform:uppercase;background:color-mix(in srgb,var(--cat) 6%,transparent);}
.post-body tbody tr:hover{background:rgba(26,92,219,.03);}

/* ── CTA (iletişim) ── */
.post-cta{position:relative;z-index:10;max-width:var(--maxw);margin:44px auto 0;padding:0 24px;}
.post-cta .box{padding:30px 28px;border-radius:20px;text-align:center;
  background:linear-gradient(135deg,rgba(26,92,219,.12),rgba(124,58,237,.07));border:1px solid rgba(26,92,219,.16);}
.post-cta h3{font-size:1.3rem;font-weight:800;color:var(--ink);margin-bottom:8px;letter-spacing:-.02em;}
.post-cta p{font-size:.92rem;color:var(--ink-soft);line-height:1.6;margin-bottom:18px;max-width:460px;margin-left:auto;margin-right:auto;}
.post-cta .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.post-cta .btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:30px;font-size:.86rem;font-weight:600;text-decoration:none;transition:transform .2s,opacity .2s,background .2s;}
.post-cta .btn.pri{background:linear-gradient(135deg,var(--blue),#3d7bea);color:#fff;}
.post-cta .btn.pri:hover{transform:translateY(-2px);opacity:.94;}
.post-cta .btn.sec{border:1px solid rgba(26,92,219,.4);color:var(--blue);}
.post-cta .btn.sec:hover{background:rgba(26,92,219,.08);}

/* ── Paylaş ── */
.post-share{position:relative;z-index:10;max-width:var(--maxw);margin:34px auto 0;padding:0 24px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.post-share .lbl{font-size:.78rem;color:var(--ink-soft);font-weight:600;}
.post-share a{width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:var(--card);border:1px solid var(--line);color:var(--ink-soft);text-decoration:none;transition:transform .2s,color .2s,border-color .2s;}
.post-share a:hover{transform:translateY(-2px);color:var(--blue);border-color:rgba(26,92,219,.4);}
.post-share a svg{width:18px;height:18px;fill:currentColor;}

/* ── İlgili yazılar ── */
.related{position:relative;z-index:10;max-width:1100px;margin:60px auto 40px;padding:0 32px;}
.related > h2{font-size:1.4rem;font-weight:800;color:var(--ink);letter-spacing:-.02em;margin-bottom:22px;}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;}
.rel-card{display:flex;flex-direction:column;gap:10px;padding:22px;border-radius:18px;background:var(--card);border:1px solid var(--line);
  text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s;box-shadow:0 6px 22px -14px rgba(0,97,168,.2);}
.rel-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px -16px rgba(0,97,168,.3);border-color:rgba(26,92,219,.3);}
.rel-card .rc-cat{font-size:.68rem;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--cat);}
.rel-card.security{--cat:var(--cat-security);}.rel-card.cloud{--cat:var(--cat-cloud);}
.rel-card.network{--cat:var(--cat-network);}.rel-card.server{--cat:var(--cat-server);}.rel-card.genel{--cat:var(--cat-genel);}
.rel-card h3{font-size:1rem;font-weight:700;color:var(--ink);line-height:1.35;}
.rel-card span.go{margin-top:auto;font-size:.8rem;font-weight:600;color:var(--blue);display:inline-flex;align-items:center;gap:6px;}

/* ── Yardımcı butonlar (WhatsApp / yukarı / kvkk) ── */
.wa-btn{position:fixed;bottom:30px;right:30px;z-index:900;width:56px;height:56px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 24px rgba(37,211,102,.4);transition:transform .2s,box-shadow .2s;text-decoration:none;}
.wa-btn:hover{transform:scale(1.1);box-shadow:0 8px 32px rgba(37,211,102,.6);}
.wa-btn svg{width:28px;height:28px;fill:#fff;}
#scroll-top{position:fixed;bottom:30px;left:30px;z-index:900;width:44px;height:44px;border-radius:50%;background:rgba(26,92,219,.1);border:1px solid rgba(26,92,219,.18);cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transform:translateY(10px);transition:opacity .3s,transform .3s;}
#scroll-top.show{opacity:1;transform:none;}
#scroll-top svg{width:18px;height:18px;stroke:rgba(15,23,42,.6);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
#kvkk{position:fixed;bottom:0;left:0;right:0;z-index:850;padding:18px 40px;background:rgba(255,255,255,.98);backdrop-filter:blur(16px);border-top:1px solid rgba(26,92,219,.15);display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;transform:translateY(100%);transition:transform .5s ease;}
#kvkk.show{transform:translateY(0);}
#kvkk p{font-size:.75rem;color:#1d2c42;line-height:1.6;max-width:700px;}
#kvkk-accept{padding:10px 22px;border-radius:30px;border:1px solid rgba(26,92,219,.4);background:transparent;color:var(--blue);font-size:.75rem;font-weight:600;cursor:pointer;transition:background .2s,color .2s;}
#kvkk-accept:hover{background:var(--blue);color:#fff;}

/* ── Responsive ── */
@media(max-width:640px){
  .post{padding:120px 20px 30px;}
  .post-body{padding:28px 20px 6px;font-size:1.02rem;}
  .post-hero,.post-cta,.post-share{padding-left:20px;padding-right:20px;}
  .stat-row{grid-template-columns:1fr;}
  .related{padding:0 20px;}
  .post-hero-ico{aspect-ratio:16/9;}
}