body{
    font-family: 'Poppins', sans-serif;
    background:#f4fbff;
    overflow-x:hidden;
}

/* NAVBAR */

.navbar{
    background:#0077b6;
    padding:12px 0;
    box-shadow:0 3px 10px rgba(0,0,0,0.1);
}

.navbar-brand{
    color:white !important;
    font-weight:700;
    font-size:22px;
    letter-spacing:0.5px;
    display:flex;
    align-items:center;
    gap:8px;
}

.nav-link{
    color:white !important;
    margin-left:15px;
    font-weight:500;
    transition:0.3s ease;
    position:relative;
}

/* hover effect */
.nav-link:hover{
    color:#90e0ef !important;
}

/* underline animation */
.nav-link::after{
    content:"";
    display:block;
    width:0%;
    height:2px;
    background:#90e0ef;
    transition:0.3s;
    margin-top:3px;
}

.nav-link:hover::after{
    width:100%;
}

/* active / focus */
.nav-link:focus{
    outline:none;
}

/* MOBILE NAV IMPROVEMENT */

.navbar-toggler{
    border:none;
    outline:none;
    box-shadow:none !important;
}

.navbar-toggler-icon{
    filter:invert(1);
}

/* MOBILE MENU SPACING */
@media(max-width:991px){

    .nav-link{
        margin-left:0;
        padding:10px 0;
    }

}

/* HERO */

.hero{
    min-height:100vh;
    background:
    linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.55)),
    url('../images/hero.png') center/cover no-repeat;

    color:white;
    padding:20px;
}

.hero-content{
    max-width:700px;
    margin:auto;
}

.hero h1{
    font-size:60px;
    font-weight:700;
}

.hero p{
    font-size:20px;
    opacity:0.95;
}

/* MOBILE RESPONSIVE */

@media(max-width:768px){

    .hero h1{
        font-size:38px;
    }

    .hero p{
        font-size:16px;
    }

    .hero{
        min-height:85vh;
        background-position:center;
    }

}

.btn-main{
    background:#00b4d8;
    color:white;
    padding:15px 35px;
    border-radius:50px;
    text-decoration:none;
    display:inline-block;
    margin-top:20px;
}

/* SERVICES */

.service-box{
    background:white;
    padding:30px;
    border-radius:20px;
    text-align:center;
    box-shadow:0 5px 20px rgba(0,0,0,0.1);
    transition:0.3s;
}

.service-box:hover{
    transform:translateY(-10px);
}

.service-box i{
    font-size:50px;
    color:#00b4d8;
    margin-bottom:20px;
}

/* FOOTER */

.footer{
    background:#023e8a;
    color:white;
    text-align:center;
    padding:25px;
}

/* WHATSAPP */

.whatsapp{
    position:fixed;
    right:20px;
    bottom:20px;
    width:70px;
    height:70px;
    background:#25d366;
    color:white;
    border-radius:50%;
    text-align:center;
    line-height:70px;
    font-size:35px;
    text-decoration:none;
    z-index:999;
}