*{margin:0;padding:0;box-sizing:border-box}body{font-family:Poppins,sans-serif;color:#334;background:#f4f7fb}
.container{width:min(1100px,92%);margin:auto}
header{position:fixed;top:0;width:100%;background:#fff;box-shadow:0 2px 15px rgba(0,0,0,.08);z-index:1000}
.nav{display:flex;justify-content:space-between;align-items:center;padding:14px 0}
.brand{display:flex;align-items:center;height:60px;overflow:hidden}
.brand img{height:60px;width:auto;display:block}
nav{display:flex;gap:28px}
nav a{text-decoration:none;color:#123;font-weight:500}
.hero{margin-top:88px;height:70vh;background:linear-gradient(135deg,#0b5ed7,#1da1f2);display:flex;align-items:center;justify-content:center;text-align:center;color:#fff}
.hero-content{padding:20px}
.hero h1{font-size:52px;margin-bottom:18px}.hero p{margin-bottom:28px;font-size:20px}
.button{background:#fff;color:#0b5ed7;padding:14px 28px;border-radius:30px;text-decoration:none;font-weight:600}
.section{padding:70px 0}h2{text-align:center;margin-bottom:30px;color:#0b5ed7}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px}
.card{background:#fff;padding:28px;border-radius:12px;box-shadow:0 8px 20px rgba(0,0,0,.08)}
.alt{background:#fff;text-align:center}
footer{background:#16213e;color:#fff;text-align:center;padding:24px}
@media(max-width:768px){
.nav{flex-direction:column;gap:12px}
.brand{height:auto}
.brand img{height:70px;max-width:90vw}
nav{flex-wrap:wrap;justify-content:center;gap:16px}
.hero{margin-top:0;height:auto;padding:90px 20px}
.hero h1{font-size:34px}
.hero p{font-size:16px}
}