:root{
  --primary:#12265a;
  --dark:#0a1a40;
  --accent:#25D366;
  --bg:#f4f4f4;
  --card:#ffffff;
  --muted:#666;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  background:var(--bg);
  color:#222;
  line-height:1.45;
}
.header{
  background:var(--dark);
  color:white;
  padding:18px 16px;
  display:flex;
  align-items:center;
  gap:16px;
}
.logo{
  display:flex;
  align-items:center;
  gap:12px;
}
.logo svg{width:56px;height:56px}
.header h1{margin:0;font-size:20px}
.nav{
  background:var(--primary);
  padding:10px 16px;
  display:flex;
  gap:12px;
  justify-content:center;
}
.nav a{color:white;text-decoration:none;font-weight:700}
.hero{
  background-image:url('https://dummyimage.com/1200x450/0b1c3f/fff&text=TD+VISION+-+Secure+Your+Business');
  background-size:cover;
  background-position:center;
  height:360px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:white;
  font-size:28px;
  font-weight:700;
  text-shadow:0 2px 8px rgba(0,0,0,0.4);
}
.container{max-width:1100px;margin:28px auto;padding:0 16px}
.grid{display:grid;gap:18px}
.services{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--card);padding:18px;border-radius:8px;box-shadow:0 4px 12px rgba(10,20,40,0.06)}
.gallery-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.card img{width:100%;border-radius:6px}
.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px}
.btn{display:inline-block;background:var(--primary);color:white;padding:10px 14px;border-radius:8px;text-decoration:none;font-weight:700}
.whatsapp{position:fixed;right:18px;bottom:18px;background:var(--accent);color:white;padding:14px 18px;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 8px 20px rgba(0,0,0,0.15)}
footer{background:var(--dark);color:white;padding:18px;text-align:center;margin-top:28px}

/* booking form */
form .row{display:flex;gap:12px}
form input, form select, form textarea{width:100%;padding:10px;border:1px solid #ddd;border-radius:6px}
.lang-toggle{background:transparent;border:1px solid rgba(255,255,255,0.15);color:white;padding:8px 10px;border-radius:6px;cursor:pointer}

/* responsive */
@media(max-width:700px){
  .header{flex-direction:column;align-items:flex-start}
  .nav{flex-wrap:wrap}
}