/* ── TEMA 1: Koyu Lacivert — Kurumsal & Güven ──────────────────────────── */
:root {
  --c-bg:       #ffffff;
  --c-surface:  #f0f4f9;
  --c-border:   #d4dce8;
  --c-text:     #0d1b2a;
  --c-muted:    #5a6a80;
  --c-primary:  #1a3a6b;
  --c-primary2: #142e54;
  --c-accent:   #c0392b;
  --c-tag:      #e8f0fb;
  --c-tag-t:    #1a3a6b;
  --r:          6px;
  --r-lg:       12px;
  --shadow:     0 1px 5px rgba(26,58,107,.08);
  --shadow-md:  0 4px 20px rgba(26,58,107,.12);
  --font:       -apple-system,BlinkMacSystemFont,'Segoe UI',Georgia,sans-serif;
  --serif:      Georgia,'Times New Roman',serif;
}

/* Header: Koyu lacivert şerit */
.site-header {
  background: #1a3a6b;
  border-bottom: 3px solid #c0392b;
  box-shadow: 0 2px 10px rgba(0,0,0,.2);
}
.logo { color: #fff !important; font-family: var(--serif); }
.logo span { color: #f39c12 !important; }
.main-nav a { color: rgba(255,255,255,.75) !important; }
.main-nav a:hover, .main-nav a.active {
  color: #fff !important;
  background: rgba(255,255,255,.12) !important;
}
.nav-search input {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.25);
  color: #fff;
}
.nav-search input::placeholder { color: rgba(255,255,255,.5); }
.nav-search input:focus { border-color: #f39c12; }

/* Hero */
.featured-post { border-radius: 6px; border-left: 4px solid #1a3a6b; }
.featured-post h2 { font-family: var(--serif); color: #0d1b2a; }

/* Kartlar */
.card { border-radius: 6px; }
.card:hover { box-shadow: 0 6px 24px rgba(26,58,107,.15); transform: translateY(-3px); }
.card__cat { background: #e8f0fb; color: #1a3a6b; border-radius: 3px; }

/* Butonlar */
.btn-primary { background: #1a3a6b; border-color: #1a3a6b; }
.btn-primary:hover { background: #142e54; }

/* Footer */
.site-footer { background: #0d1b2a; color: #a0aec0; }
.site-footer h4 { color: #fff; font-family: var(--serif); }
.site-footer a { color: #a0aec0; }
.site-footer a:hover { color: #f39c12; }
.footer-bottom { border-top-color: rgba(255,255,255,.08); color: #6b7280; }

/* Sayfa başlığı */
.page-hero { background: linear-gradient(135deg, #1a3a6b 0%, #0d1b2a 100%); }
.page-hero h1 { color: #fff; font-family: var(--serif); }
.page-hero p { color: rgba(255,255,255,.75); }
.breadcrumb a { color: rgba(255,255,255,.6); }
.breadcrumb span { color: rgba(255,255,255,.4); }

/* Widget başlık çizgisi */
.widget h3 { border-bottom-color: #1a3a6b; }

/* Post içerik */
.post-title { font-family: var(--serif); }
.post-content blockquote { border-left-color: #1a3a6b; }

/* Badge */
.badge-success { background: #e8f5e9; color: #1b5e20; }
.badge-warning { background: #fff3e0; color: #e65100; }