/*
Theme Name: Delta Video Calling Guide
Version: 2.0
Description: Responsive bilingual WordPress theme.
*/

*{margin:0;padding:0;box-sizing:border-box}
body{font-family:Arial,sans-serif;background:#f4f7fb;color:#222;line-height:1.6}
header{background:#0f172a;color:#fff;padding:15px 20px;position:sticky;top:0;z-index:99}
.container{max-width:1200px;margin:auto;padding:20px}
nav{display:flex;gap:15px;flex-wrap:wrap}
nav a{color:#fff;text-decoration:none;font-weight:bold}
.hero{background:linear-gradient(135deg,#1e3a8a,#2563eb);padding:80px 20px;text-align:center;color:#fff}
.hero h1{font-size:48px}
.hero p{font-size:20px;margin-top:10px}
.btn{display:inline-block;background:#fff;color:#2563eb;padding:12px 20px;border-radius:10px;text-decoration:none;font-weight:bold;margin-top:20px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:30px}
.card{background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.08)}
.card img{width:100%;height:180px;object-fit:cover}
.card-content{padding:18px}
.card h3{margin-bottom:10px}
footer{background:#0f172a;color:#fff;padding:30px;text-align:center;margin-top:40px}
.lang{background:#e2e8f0;padding:15px;border-radius:12px;margin-top:20px}
@media(max-width:768px){
.hero h1{font-size:32px}
nav{gap:10px}
}