/* Reset */
*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family:Arial, Helvetica, sans-serif;
    background:#f8f9fc;
    color:#333;
    line-height:1.6;
}

/* Container */
.container{
    width:90%;
    max-width:1200px;
    margin:auto;
}

/* Header */
header{
    background:#0B2545;
    color:#fff;
    padding:20px 0;
    position:sticky;
    top:0;
    z-index:1000;
}

header .container{
    display:flex;
    justify-content:space-between;
    align-items:center;
}

header h1{
    font-size:28px;
}

nav a{
    color:#fff;
    text-decoration:none;
    margin-left:25px;
    font-weight:bold;
    transition:.3s;
}

nav a:hover{
    color:#FFD700;
}

/* Hero */

.hero{
    background:linear-gradient(135deg,#0B2545,#163d73);
    color:white;
    text-align:center;
    padding:100px 20px;
}

.hero h2{
    font-size:48px;
    margin-bottom:20px;
}

.hero p{
    font-size:20px;
    margin-bottom:30px;
}

/* Button */

.btn{
    display:inline-block;
    background:#FFD700;
    color:#0B2545;
    text-decoration:none;
    padding:15px 35px;
    border-radius:8px;
    font-weight:bold;
    transition:.3s;
}

.btn:hover{
    background:white;
}

/* Sections */

section{
    padding:70px 0;
}

section h2{
    text-align:center;
    color:#0B2545;
    margin-bottom:30px;
    font-size:36px;
}

/* About */

.about p{
    text-align:center;
    max-width:900px;
    margin:auto;
    font-size:18px;
}

/* Cards */

.cards{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:25px;
}

.card{
    background:white;
    padding:30px;
    border-radius:12px;
    box-shadow:0 5px 15px rgba(0,0,0,.08);
    transition:.3s;
}

.card:hover{
    transform:translateY(-8px);
}

.card h3{
    color:#0B2545;
    margin-bottom:15px;
}

/* CTA */

.cta{
    background:#0B2545;
    color:white;
    text-align:center;
}

.cta h2{
    color:white;
}

.cta p{
    margin-bottom:30px;
    font-size:18px;
}

/* Footer */

footer{
    background:#081A30;
    color:white;
    text-align:center;
    padding:40px 20px;
}

footer hr{
    margin:25px 0;
    border:1px solid rgba(255,255,255,.2);
}

footer p{
    margin:10px 0;
}

/* Mobile */

@media(max-width:768px){

header .container{
    flex-direction:column;
}

nav{
    margin-top:15px;
}

nav a{
    display:block;
    margin:10px 0;
}

.hero h2{
    font-size:34px;
}

.hero p{
    font-size:18px;
}

section h2{
    font-size:28px;
}

}