*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#1F2937;line-height:1.6;background:#fff}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
.site-header{background:#0a1f44;color:#fff}
.header-inner{display:flex;justify-content:space-between;align-items:center;padding:12px 0}
.brand{color:#fff;text-decoration:none;font-weight:800;letter-spacing:.4px}
.header-links a{color:#fff;text-decoration:none;margin-left:14px;font-size:14px}
.hero{padding:36px 0;border-bottom:1px solid #e5e7eb;background:#f8fafc}
.hero h1{font-size:28px;color:#0a1f44;margin-bottom:6px}
.hero p{color:#6b7280}
.articles{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:20px 0}
.card{border:1px solid #e5e7eb;border-radius:8px;overflow:hidden;background:#fff}
.card .cover{display:block;aspect-ratio:16/9;background:#f3f4f6}
.card img{width:100%;height:100%;object-fit:cover}
.card-body{padding:12px}
.card-body h2{font-size:18px;color:#0a1f44;margin-bottom:6px}
.card-body p{font-size:14px;color:#4b5563}
.brand-note{padding:16px;border:1px dashed #d1d5db;border-radius:8px;background:#f9fafb}
.footer{margin-top:24px;padding:16px 0;border-top:1px solid #e5e7eb}
@media(max-width:820px){.articles{grid-template-columns:1fr}}

/* THEME VARIANTS */
/* theme-1: mavi */
.theme-1 .site-header{background:#0a1f44}
.theme-1 .hero{background:linear-gradient(180deg,#f0f6ff,transparent)}
.theme-1 a{color:#165DFF}

/* theme-2: kırmızı */
.theme-2 .site-header{background:#7a0a14}
.theme-2 .hero{background:linear-gradient(180deg,#fff1f1,transparent)}
.theme-2 a{color:#c71f1f}
.theme-2 .card{border-color:#f3d1d3}

/* theme-3: yeşil */
.theme-3 .site-header{background:#0b3d2e}
.theme-3 .hero{background:linear-gradient(180deg,#eefaf3,transparent)}
.theme-3 a{color:#1f9d64}
.theme-3 .card{border-color:#d7f0e4}

/* theme-4: mor */
.theme-4 .site-header{background:#3f1a6b}
.theme-4 .hero{background:linear-gradient(180deg,#f5f0ff,transparent)}
.theme-4 a{color:#7f56d9}
.theme-4 .card{border-color:#e6ddfb}

/* theme-5: turuncu */
.theme-5 .site-header{background:#7a3a0a}
.theme-5 .hero{background:linear-gradient(180deg,#fff4e6,transparent)}
.theme-5 a{color:#f97316}
.theme-5 .card{border-color:#ffe3c6}

/* brand chips */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.chip{border:1px solid #e5e7eb;background:#fff;border-radius:999px;padding:6px 10px;font-size:13px}
.chip strong{margin-left:6px}