/* Verikurtarma.org — TeknikNokta ailesi görünümü, bilgi sitesi kimliği */
:root{
  --navy-900:#0d1f3c; --navy-800:#13294f; --navy-700:#1b3a6b;
  --accent:#2563eb; --accent-light:#3b82f6; --accent-pale:#eff6ff;
  --gray-900:#111827; --gray-700:#374151; --gray-500:#6b7280;
  --gray-200:#e5e7eb; --gray-100:#f3f4f6; --gray-50:#f9fafb; --white:#fff;
  --radius:12px; --shadow:0 4px 16px rgba(13,31,60,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--gray-900);line-height:1.7;background:var(--white)}
img{max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1140px;margin:0 auto;padding:0 1.25rem}

/* Header */
.site-header{background:var(--navy-900);position:sticky;top:0;z-index:50;box-shadow:0 2px 12px rgba(0,0,0,.25)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.9rem 1.25rem;gap:1rem;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:.6rem;text-decoration:none}
.logo:hover{text-decoration:none}
.logo-mark{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-light) 100%);color:#fff;font-weight:800;padding:.45rem .6rem;border-radius:8px;font-size:1rem;letter-spacing:.5px}
.logo-text{color:#fff;font-weight:700;font-size:1.15rem;line-height:1.15;display:flex;flex-direction:column}
.logo-text small{color:#93b4e8;font-weight:500;font-size:.72rem}
.main-nav{display:flex;gap:1.1rem;align-items:center;flex-wrap:wrap}
.main-nav a{color:#d7e3f7;font-size:.95rem;font-weight:500}
.main-nav a:hover{color:#fff;text-decoration:none}
.nav-cta{background:var(--accent);color:#fff!important;padding:.45rem 1rem;border-radius:8px;font-weight:600}
.nav-cta:hover{background:var(--accent-light)}

/* Hero (ana sayfa) */
.hero{background:linear-gradient(160deg,var(--navy-900) 0%,var(--navy-700) 100%);color:#fff;padding:3.5rem 0;text-align:center}
.hero h1{font-size:2.3rem;font-weight:800;margin-bottom:.9rem}
.hero p{color:#c9d8f0;max-width:640px;margin:0 auto 1.5rem;font-size:1.08rem}
.hero .btn{background:var(--accent);color:#fff;padding:.8rem 1.6rem;border-radius:10px;font-weight:600;display:inline-block}
.hero .btn:hover{background:var(--accent-light);text-decoration:none}

/* Kart ızgarası */
.section{padding:3rem 0}
.section-title{font-size:1.7rem;font-weight:700;color:var(--navy-900);margin-bottom:1.5rem}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem}
.card{display:block;background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);padding:1.4rem;transition:transform .15s,box-shadow .15s;color:inherit}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);text-decoration:none}
.card h3{font-size:1.08rem;color:var(--navy-900);margin:.5rem 0 .4rem}
.card p{color:var(--gray-500);font-size:.9rem}
.cat-badge{display:inline-block;background:var(--accent-pale);color:var(--accent);font-size:.74rem;font-weight:600;padding:.2rem .6rem;border-radius:99px}

/* Makale düzeni */
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:2.5rem;padding:2.5rem 1.25rem;align-items:start}
.breadcrumb{font-size:.85rem;color:var(--gray-500);margin-bottom:1rem}
.article-main h1{font-size:2rem;color:var(--navy-900);margin:.6rem 0 1.2rem;line-height:1.25}
.article-content p{margin-bottom:1.1rem;color:var(--gray-700);font-size:1.02rem}
.article-content h2{font-size:1.35rem;color:var(--navy-900);margin:1.8rem 0 .8rem}
.article-content ul,.article-content ol{margin:0 0 1.1rem 1.4rem;color:var(--gray-700)}
.pro-box{background:var(--accent-pale);border:1px solid #dbeafe;border-left:4px solid var(--accent);border-radius:var(--radius);padding:1.3rem 1.5rem;margin:2rem 0}
.pro-box h2{font-size:1.1rem;color:var(--navy-900);margin-bottom:.5rem}
.pro-box p{color:var(--gray-700);font-size:.95rem;margin:0}
.related{margin-top:2.5rem}
.related h2{font-size:1.35rem;color:var(--navy-900);margin-bottom:1rem}

/* Kenar çubuğu */
.sidebar{display:flex;flex-direction:column;gap:1.25rem;position:sticky;top:85px}
.sidebar-box{background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius);padding:1.3rem}
.sidebar-box h2{font-size:1rem;color:var(--navy-900);margin-bottom:.6rem}
.sidebar-box p{font-size:.88rem;color:var(--gray-700);margin-bottom:.8rem}
.sidebar-list{list-style:none}
.sidebar-list li{border-bottom:1px solid var(--gray-200);padding:.45rem 0}
.sidebar-list li:last-child{border-bottom:0}
.sidebar-list a{font-size:.88rem;color:var(--gray-700)}
.sidebar-list a:hover{color:var(--accent)}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:.5rem 1rem;border-radius:8px;font-size:.88rem;font-weight:600}
.btn:hover{background:var(--accent-light);text-decoration:none;color:#fff}

/* Statik sayfalar */
.page-simple{max-width:760px;margin:0 auto;padding:2.5rem 1.25rem}
.page-simple h1{font-size:2rem;color:var(--navy-900);margin-bottom:1.2rem}
.page-simple p{margin-bottom:1.1rem;color:var(--gray-700)}
.contact-card{background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius);padding:1.5rem;margin:1.5rem 0}
.contact-card h2{font-size:1.1rem;color:var(--navy-900);margin-bottom:.6rem}

/* Footer */
.site-footer{background:var(--navy-900);color:#c9d8f0;margin-top:3rem}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:2rem;padding:2.8rem 1.25rem 1.5rem}
.site-footer h3{color:#fff;font-size:1rem;margin-bottom:.7rem}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:.4rem}
.site-footer a{color:#93b4e8}
.site-footer a:hover{color:#fff}
.site-footer p{font-size:.9rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:1.1rem 1.25rem;font-size:.85rem;text-align:center}

@media (max-width:900px){
  .article-layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .hero h1{font-size:1.7rem}
  .header-inner{justify-content:center}
}

/* Öne çıkan görsel */
.featured-img{width:100%;max-width:640px;height:auto;border-radius:var(--radius);border:1px solid var(--gray-200);margin-bottom:1.4rem;display:block}
.card img.card-img{width:100%;height:150px;object-fit:cover;border-radius:8px;margin-bottom:.6rem;display:block;background:var(--gray-100)}

/* Hero görseli */
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:2.5rem;align-items:center;text-align:left}
.hero-grid h1{font-size:2.1rem}
.hero-grid p{margin:0 0 1.5rem}
.hero-visual img{width:100%;height:auto;border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.15);display:block}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;text-align:center}.hero-visual{max-width:480px;margin:0 auto}}