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

body{
font-family:'Segoe UI',sans-serif;
overflow-x:hidden;
}

/* Navbar */

.navbar{
background:rgba(0,0,0,.7);
backdrop-filter: blur(10px);
}

.navbar-brand{
font-size:30px;
font-weight:bold;
color:#fff;
}

.navbar-nav .nav-link{
color:white;
font-weight:500;
margin-left:15px;
transition:.3s;
}

.navbar-nav .nav-link:hover{
color:blue;
}

/* Hero */

.hero{
height:100vh;
position:relative;
overflow:hidden;
}

.hero::before{
content:'';
position:absolute;
top:0;
left:0;
width:100%;
height:100%;
background:rgba(0,0,0,.55);
z-index:1;
}

.slide{
position:absolute;
width:100%;
height:100%;
background-size:cover;
background-position:center;
animation:slider 15s infinite;
}

.slide1{
background-image:url('https://static.vecteezy.com/system/resources/thumbnails/005/380/829/small_2x/group-of-hands-holding-together-free-photo.JPG');
}

.slide2{
background-image:url('./image/BACKGROUND.jpg');
animation-delay:5s;
}

.slide3{
background-image:url('./image/66661616.jpg');
animation-delay:10s;
}

@keyframes slider{
0%{
opacity:0;
}
10%{
opacity:1;
}
30%{
opacity:1;
}
40%{
opacity:0;
}
100%{
opacity:0;
}
}

.hero-content{
position:relative;
z-index:2;
height:100%;
display:flex;
align-items:center;
justify-content:center;
text-align:center;
color:white;
padding:20px;
}

.hero-content h1{
font-size:65px;
font-weight:bold;
}

.hero-content p{
font-size:20px;
max-width:850px;
margin:25px auto;
}

.btn-orange{
background:#ff9800;
color:white;
padding:14px 35px;
border-radius:30px;
text-decoration:none;
transition:.4s;
}

.btn-orange:hover{
background:white;
color:black;
}

/* Section */

.section-title{
text-align:center;
margin-bottom:60px;
}

.section-title h2{
font-size:45px;
font-weight:bold;
color:#0a4b78;
}

/* About */

.about{
padding:100px 0;
margin-bottom:-60px;
}

.about img{
width:100%;
border-radius:15px;
box-shadow:0 10px 30px rgba(0,0,0,.2);
}

/* Mission */

.mission{
background:#f5f7fa;
padding:100px 0;
}

.card-box{
background:white;
padding:40px;
border-radius:15px;
text-align:center;
box-shadow:0 5px 20px rgba(0,0,0,.1);
transition:.4s;
height:100%;
}

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

.card-box i{
font-size:50px;
color:#ff9800;
margin-bottom:20px;
}

@media(max-width:768px){

.hero-content h1{
font-size:40px;
}

.hero-content p{
font-size:17px;
}

.section-title h2{
font-size:32px;
}

}

.activity-card,
.why-card{
background:white;
padding:35px;
border-radius:15px;
box-shadow:0 5px 20px rgba(0,0,0,.1);
text-align:center;
transition:.4s;
height:100%;
}

.activity-card:hover,
.why-card:hover{
transform:translateY(-10px);
}

.activity-card i,
.why-card i{
font-size:50px;
color:#ff9800;
margin-bottom:20px;
}

.counter-section{
background:#0a4b78;
color:white;
padding:100px 0;
}

.counter-box h2{
font-size:50px;
font-weight:bold;
color:#ff9800;
}

.gallery-section{
background:#f7f7f7;
padding:100px 0;
}

.gallery-item{
overflow:hidden;
border-radius:15px;
}

.gallery-item img{
transition:.5s;
width:100%;
}

.gallery-item:hover img{
transform:scale(1.1);
}
.testimonial-box{
max-width:800px;
margin:auto;
padding:40px;
background:white;
border-radius:15px;
box-shadow:0 5px 20px rgba(0,0,0,.1);
text-align:center;
}

.volunteer-section{
background:linear-gradient(to right,#0a4b78,#0f7cc0);
padding:100px 0;
color:white;
}

.donation-box{
padding:50px;
background:#f8f9fa;
border-radius:20px;
box-shadow:0 5px 20px rgba(0,0,0,.1);
}

.contact-section{
background:#f5f7fa;
padding:100px 0;
}

footer{
background:#111;
color:white;
padding:80px 0;
}

footer a{
color:white;
text-decoration:none;
}

.whatsapp-btn{
position:fixed;
right:20px;
bottom:20px;
width:60px;
height:60px;
background:#25D366;
border-radius:50%;
display:flex;
justify-content:center;
align-items:center;
font-size:30px;
color:white;
z-index:999;
text-decoration:none;
}

#topBtn{
position:fixed;
bottom:95px;
right:25px;
background:#ff9800;
color:white;
border:none;
width:50px;
height:50px;
border-radius:50%;
cursor:pointer;
display:none;
z-index:999;
}

.map-box{
    overflow:hidden;
    border-radius:15px;
    box-shadow:0 5px 20px rgba(0,0,0,.15);
}