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

body{
    font-family: Arial, sans-serif;
    background:#f4f6f9;
}

/* =========================
   HEADER
========================= */
.header{
    width:100%;
    background:#fff;
    box-shadow:0 2px 10px rgba(0,0,0,0.1);
    position:fixed;
    top:0;
    left:0;
    z-index:999;
}

.nav-container{
    display:flex;
    justify-content:space-between;
    align-items:center;
    height:70px;
    padding:0 20px;
}

/* LOGO */
.logo img{
    height:45px;
}

/* MENU */
.menu{
    display:flex;
    list-style:none;
    gap:15px;
}

.menu li a{
    text-decoration:none;
    color:#000;
    padding:8px 15px;
    border-radius:6px;
    transition:0.3s;
}

.menu li a:hover,
.menu li a.active{
    background:#176404;
    color:#fff;
}

/* MOBILE MENU */
.menu-btn{
    display:none;
}

.menu-icon{
    display:none;
    cursor:pointer;
}

.navicon{
    width:28px;
    height:3px;
    background:#000;
    position:relative;
    display:block;
}

.navicon::before,
.navicon::after{
    content:"";
    position:absolute;
    width:100%;
    height:3px;
    background:#000;
    left:0;
}

.navicon::before{ top:-8px; }
.navicon::after{ top:8px; }

@media(max-width:768px){

    .menu-icon{
        display:block;
    }

    .menu{
        position:absolute;
        top:70px;
        left:0;
        width:100%;
        background:#fff;
        flex-direction:column;
        max-height:0;
        overflow:hidden;
        transition:0.3s;
        text-align:center;
    }

    .menu li{
        margin:10px 0;
    }

    .menu-btn:checked ~ .menu{
        max-height:300px;
        padding:10px 0;
    }
}

/* =========================
   HERO / CAROUSEL
========================= */
.hero{
    height:200px;
    width: 100%;
    background:linear-gradient(rgba(0,0,0,0.5),rgba(0,0,0,0.5)),
    url('hero.jpg') center/cover;
    display:flex;
    align-items:center;
    justify-content:center;
    color:#fff;
    text-align:center;
}
.slider-img{
    height:80vh;   /* আগে ছিল 80vh/65vh */
    object-fit:cover;
    filter: brightness(70%);
}

@media(max-width:768px){
    .slider-img{
        height:45vh;
    }
}

.card-section{
    background:#f5f5f5;
}

/* CARD */
.service-card{
    background:#fff;
    border-radius:15px;
    overflow:hidden;
    box-shadow:0 5px 15px rgba(0,0,0,0.1);
    height:100%;
    display:flex;
    flex-direction:column;
    transition:0.3s;
}

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

/* IMAGE */
.img-box{
    width:100%;
    height:220px;
    overflow:hidden;
}

.img-box img{
    width:100%;
    height:100%;
    object-fit:cover;
}

/* CONTENT */
.card-body{
    padding:20px;
    display:flex;
    flex-direction:column;
    gap:10px;
    text-align:center;
}

/* TITLE */
.card-body h3{
    font-size:20px;
    margin:0;
}

/* TEXT */
.card-body p{
    margin:0;
    color:#555;
    font-size:14px;
}

/* BUTTON */
.card-body .btn{
    border-radius:15px;
}

/* =========================
   RESPONSIVE FIX
========================= */
@media(max-width:768px){
    .img-box{
        height:180px;
    }

    .card-body h3{
        font-size:18px;
    }
}

@media(max-width:480px){
    .img-box{
        height:160px;
    }

    .card-body{
        padding:15px;
    }

    .card-body p{
        font-size:13px;
    }
}

.about-section{
    background:#05ac21;
}

/* IMAGE RESPONSIVE */
.about-img img{
    width:100%;
    height:auto;
    border-radius:12px;
    transition:0.3s;
}

.about-img img:hover{
    transform:scale(1.02);
}

/* TEXT */
.about-section p{
    color:#555;
    line-height:1.7;
}

/* BUTTON CENTER MOBILE */
@media(max-width:768px){
    .about-section h1{
        font-size:24px;
    }

    .about-section h2{
        font-size:22px;
        text-align:center;
    }

    .about-section p{
        text-align:center;
    }

    .btn{
        display:block;
        width:100%;
        text-align:center;
    }
}

/* =========================
   CONTACT
========================= */
.contact-section{
    padding:80px 0;
}

.contact-box{
    background:#fff;
    padding:35px;
    border-radius:18px;
    box-shadow:0 10px 30px rgba(0,0,0,0.12);
}

.info-box{
    background:linear-gradient(135deg,#176404,#0d3d02);
    color:#fff;
    padding:20px;
    border-radius:12px;
}

/* SUCCESS MESSAGE */
.success-msg{
    display:none;
    margin-top:10px;
    padding:10px;
    background:#d4edda;
    color:#155724;
    border-radius:8px;
    text-align:center;
}

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

body{
    font-family:Arial, sans-serif;
}

/* SECTION */
.bkash-section{
    padding:60px 15px;
    background:linear-gradient(135deg,#e2136e,#c8105e);
}

/* TITLE */
.bkash-title{
    color:#fff;
    margin-bottom:25px;
}

.bkash-title h2{
    font-size:28px;
    font-weight:700;
}

.bkash-title p{
    font-size:14px;
    opacity:0.9;
}

/* BOX */
.bkash-box{
    max-width:480px;
    width:100%;
    margin:auto;
    background:#fff;
    padding:25px;
    border-radius:15px;
    box-shadow:0 10px 25px rgba(0,0,0,0.2);
}

/* NUMBER ROW */
.bkash-number{
    display:flex;
    gap:10px;
    margin-bottom:12px;
}

.bkash-number input{
    flex:1;
    padding:12px;
    text-align:center;
    border:1px solid #ddd;
    border-radius:8px;
    font-weight:600;
}

.bkash-number button{
    padding:12px 15px;
    background:#e2136e;
    color:#fff;
    border:none;
    border-radius:8px;
    cursor:pointer;
    font-weight:600;
}

/* FORM */
.bkash-form{
    display:flex;
    flex-direction:column;
    gap:12px;
    margin-top:15px;
}

.bkash-form input{
    padding:12px;
    border:1px solid #ddd;
    border-radius:8px;
    outline:none;
}

.bkash-form input:focus{
    border-color:#e2136e;
    box-shadow:0 0 6px rgba(226,19,110,0.3);
}

/* BUTTON */
.bkash-form button{
    padding:12px;
    background:#28a745;
    color:#fff;
    border:none;
    border-radius:8px;
    font-weight:700;
    cursor:pointer;
}

.bkash-form button:hover{
    background:#1e7e34;
}

/* SUCCESS */
.success-box{
    display:none;
    background:#d4edda;
    color:#155724;
    padding:10px;
    border-radius:8px;
    text-align:center;
    font-weight:600;
}

/* RESPONSIVE */
@media(max-width:768px){

    .bkash-box{
        padding:18px;
    }

    .bkash-number{
        flex-direction:column;
    }

    .bkash-number button{
        width:100%;
    }

    .bkash-title h2{
        font-size:22px;
    }
}

/* =========================
   FOOTER
========================= */
.footer{
    background:#000;
    color:#fff;
    padding:20px 0;
    text-align:center;
}

/* =========================
   RESPONSIVE
========================= */
@media(max-width:768px){
    .carousel-caption h1{
        font-size:28px;
    }

    .carousel-caption p{
        font-size:15px;
    }
}