:root{
  --bg1:#0f172a;
  --bg2:#0b1120;
  --accent:#38bdf8;
  --accent2:#6366f1;
  --glass:rgba(255,255,255,0.06);
}

*{margin:0;padding:0;box-sizing:border-box;font-family:'Poppins',sans-serif;}
body{background:linear-gradient(135deg,var(--bg1),var(--bg2));color:white;}
img{width:100%;border-radius:16px;}

nav{position:fixed;width:100%;padding:18px 8%;display:flex;justify-content:space-between;align-items:center;background:rgba(15,23,42,0.7);backdrop-filter:blur(10px);z-index:1000;}
.logo{font-weight:700;font-size:22px;}
.nav-links a{margin-left:25px;color:#cbd5e1;text-decoration:none;}
.nav-links a:hover{color:white}

.hero{
  height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:0 8%;
  background:url('https://images.unsplash.com/photo-1493558103817-58b2924bce98?auto=format&fit=crop&w=1600&q=80') center/cover;
  position:relative;
}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.65),rgba(0,0,0,.85));}
.hero-content{position:relative;max-width:900px;}

.btn{padding:14px 30px;border-radius:30px;border:none;font-weight:600;cursor:pointer;margin:8px;}
.primary{background:linear-gradient(90deg,var(--accent),var(--accent2));color:white;}
.secondary{background:transparent;border:2px solid white;color:white;}

.section{padding:90px 8%;text-align:center;}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:30px;}

.card{background:var(--glass);backdrop-filter:blur(14px);border-radius:20px;padding:25px;text-align:left;}

.form-box{max-width:800px;margin:auto;background:var(--glass);padding:40px;border-radius:20px;}
.form-box input,.form-box textarea,.form-box select{width:100%;padding:14px;margin-bottom:15px;border-radius:10px;border:none;}

footer{padding:60px 8%;background:#05070f;text-align:center;color:#94a3b8;}
footer a{display:block;color:#94a3b8;text-decoration:none;margin:6px 0;}

.whatsapp{position:fixed;bottom:20px;right:20px;background:#25D366;color:white;padding:14px 18px;border-radius:50px;text-decoration:none;}