*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Segoe UI, Arial, sans-serif;
}

body{
    background:#f4f7fb;
    color:#333;
}

/* HEADER */
header{
    background:white;
    box-shadow:0 2px 10px rgba(0,0,0,0.08);
    position:sticky;
    top:0;
    z-index:999;
}

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

.header-container{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:15px 0;
}

.logo{
    height:50px;
}

nav a{
    margin-left:25px;
    text-decoration:none;
    color:#333;
    font-weight:600;
    transition:0.3s;
}

nav a:hover{
    color:#0b7dda;
}

/* HERO */
.hero{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:70px 0;
}

.hero-text{
    width:50%;
}

.hero-text h1{
    font-size:42px;
    color:#0b3d91;
    margin-bottom:20px;
}

.hero-text p{
    font-size:18px;
    margin-bottom:25px;
}

.btn{
    background:#0b7dda;
    color:white;
    padding:12px 25px;
    border-radius:6px;
    text-decoration:none;
    font-weight:bold;
}

.btn:hover{
    background:#095fa6;
}

.hero-image img{
    width:500px;
    border-radius:12px;
    box-shadow:0 10px 25px rgba(0,0,0,0.2);
}

/* INFO SECTION */
.info{
    background:white;
    padding:60px 0;
    text-align:center;
}

.info h2{
    color:#0b3d91;
    margin-bottom:20px;
}

.info h3{
    margin-top:20px;
    color:#0b7dda;
}

/* CONTACT PAGE */
.contact-section{
    padding:80px 0;
    display:flex;
    justify-content:center;
}

.contact-box{
    background:white;
    padding:40px;
    border-radius:12px;
    box-shadow:0 10px 25px rgba(0,0,0,0.15);
    text-align:center;
    width:400px;
}

/* FOOTER */
footer{
    background:#0b3d91;
    color:white;
    text-align:center;
    padding:20px;
}

/* WHATSAPP BUTTON */
.whatsapp{
    position:fixed;
    bottom:25px;
    right:25px;
    width:60px;
    height:60px;
}

.whatsapp img{
    width:100%;
}

/* MOBILE */
.menu-toggle{
    display:none;
    font-size:26px;
    cursor:pointer;
}

@media(max-width:900px){

    nav{
        position:absolute;
        top:70px;
        right:0;
        background:white;
        width:220px;
        display:none;
        flex-direction:column;
        padding:20px;
        box-shadow:0 5px 20px rgba(0,0,0,0.15);
    }

    nav.show{
        display:flex;
    }

    nav a{
        margin:12px 0;
    }

    .menu-toggle{
        display:block;
    }

    .hero{
        flex-direction:column;
        text-align:center;
    }

    .hero-text{
        width:100%;
    }

    .hero-image img{
        width:100%;
        margin-top:30px;
    }
}