/*==================================================
Shree Tax Point
Secure Upload Portal
upload.css
==================================================*/

:root{

    --primary:#0B3C5D;
    --primary-dark:#082B44;
    --secondary:#D4AF37;
    --white:#ffffff;
    --light:#f8fafc;
    --gray:#64748b;
    --dark:#1e293b;
    --border:#e2e8f0;
    --success:#22c55e;

    --radius:16px;

    --shadow:0 10px 35px rgba(0,0,0,.08);

    --transition:.35s ease;

}

*{

    margin:0;
    padding:0;
    box-sizing:border-box;

}

html{

    scroll-behavior:smooth;

}

body{

    font-family:'Poppins',sans-serif;

    background:#f6f9fc;

    color:var(--dark);

    line-height:1.7;

}

img{

    max-width:100%;

    display:block;

}

a{

    text-decoration:none;

}

ul{

    list-style:none;

}

.container{

    width:min(1180px,92%);

    margin:auto;

}

section{

    padding:90px 0;

}


/*==========================
HEADER
==========================*/

.header{

    position:fixed;

    width:100%;

    top:0;

    left:0;

    background:rgba(11,60,93,.95);

    backdrop-filter:blur(10px);

    z-index:999;

}

.nav-container{

    display:flex;

    justify-content:space-between;

    align-items:center;

    padding:16px 0;

}

.logo{

    display:flex;

    align-items:center;

    gap:15px;

    color:#fff;

}

.logo img{

    width:65px;

    height:65px;

    border-radius:50%;

    border:3px solid var(--secondary);

}

.logo h2{

    font-size:1.25rem;

}

.logo p{

    color:#dbeafe;

    font-size:.9rem;

}

.back-home{

    color:#fff;

    border:2px solid rgba(255,255,255,.2);

    padding:12px 22px;

    border-radius:40px;

    transition:.3s;

}

.back-home:hover{

    background:var(--secondary);

    color:var(--primary);

}


/*==========================
HERO
==========================*/

.hero{

    position:relative;

    min-height:95vh;

    display:flex;

    align-items:center;

    justify-content:center;

    text-align:center;

    color:#fff;

    background:url("../images/background.jpeg") center/cover;

}

.overlay{

    position:absolute;

    inset:0;

    background:linear-gradient(rgba(11,60,93,.85),rgba(11,60,93,.88));

}

.hero-content{

    position:relative;

    z-index:2;

    max-width:900px;

}

.hero-logo{

    width:130px;

    height:130px;

    margin:auto auto 30px;

    border-radius:50%;

    border:5px solid var(--secondary);

}

.hero h1{

    font-size:3.2rem;

    font-weight:800;

    margin-bottom:20px;

}

.hero p{

    font-size:1.15rem;

    color:#dbeafe;

    max-width:800px;

    margin:auto;

}

.hero-features{

    margin-top:45px;

    display:grid;

    grid-template-columns:repeat(4,1fr);

    gap:20px;

}

.hero-features div{

    background:rgba(255,255,255,.08);

    border:1px solid rgba(255,255,255,.15);

    border-radius:15px;

    padding:20px;

    backdrop-filter:blur(8px);

}

.hero-features i{

    color:var(--secondary);

    font-size:28px;

    margin-bottom:10px;

}

/*==================================================
UPLOAD FORM
==================================================*/

.upload-section{

    background:#f8fafc;

}

.upload-section .container{

    max-width:1100px;

}

.section-title{

    text-align:center;

    margin-bottom:50px;

}

.section-title h2{

    font-size:2.4rem;

    color:var(--primary);

    margin-bottom:15px;

    font-weight:700;

}

.section-title p{

    color:var(--gray);

    max-width:700px;

    margin:auto;

}


/*==========================
FORM CARD
==========================*/

#uploadForm{

    background:#fff;

    border-radius:20px;

    padding:50px;

    box-shadow:var(--shadow);

}

.form-grid{

    display:grid;

    grid-template-columns:repeat(2,1fr);

    gap:25px;

}

.form-group{

    display:flex;

    flex-direction:column;

}

.form-group label{

    font-weight:600;

    color:var(--primary);

    margin-bottom:10px;

}

.form-group input,

.form-group select,

.form-group textarea{

    width:100%;

    padding:15px 18px;

    border:1px solid var(--border);

    border-radius:12px;

    font-size:15px;

    font-family:inherit;

    transition:var(--transition);

    background:#fff;

}

.form-group textarea{

    resize:vertical;

}

.form-group input:focus,

.form-group select:focus,

.form-group textarea:focus{

    outline:none;

    border-color:var(--secondary);

    box-shadow:0 0 0 4px rgba(212,175,55,.15);

}


/*==========================
SERVICES BOX
==========================*/

.services-box{

    margin-top:40px;

    padding:30px;

    background:#f8fafc;

    border-radius:16px;

    border:1px solid var(--border);

}

.services-box h3{

    color:var(--primary);

    margin-bottom:20px;

}

.checkbox-grid{

    display:grid;

    grid-template-columns:repeat(3,1fr);

    gap:18px;

}

.checkbox-grid label{

    display:flex;

    align-items:center;

    gap:10px;

    cursor:pointer;

    font-weight:500;

}

.checkbox-grid input{

    width:18px;

    height:18px;

    accent-color:var(--secondary);

}


/*==========================
UPLOAD BOX
==========================*/

.upload-box{

    margin-top:45px;

    text-align:center;

    border:2px dashed var(--secondary);

    border-radius:18px;

    background:#fffdf6;

    padding:45px 30px;

    transition:var(--transition);

}

.upload-box:hover{

    background:#fff9ea;

    transform:translateY(-3px);

}

.upload-box h3{

    color:var(--primary);

    margin-bottom:12px;

}

.upload-box p{

    color:var(--gray);

}


/*==========================
DROP ZONE
==========================*/

.drop-zone{

    margin-top:25px;

    display:block;

    padding:45px;

    border-radius:16px;

    background:#ffffff;

    border:2px dashed #d8dee8;

    cursor:pointer;

    transition:var(--transition);

}

.drop-zone:hover{

    border-color:var(--secondary);

    background:#fdfcf7;

}

.drop-zone i{

    font-size:60px;

    color:var(--secondary);

    margin-bottom:20px;

}

.drop-zone h4{

    font-size:1.4rem;

    color:var(--primary);

    margin-bottom:10px;

}

.drop-zone p{

    color:var(--gray);

    margin-bottom:5px;

}


/*==========================
FILE LIST
==========================*/

#fileList{

    margin-top:25px;

    background:#f8fafc;

    border-radius:12px;

    padding:18px;

    text-align:left;

    color:var(--gray);

    border:1px solid var(--border);

    min-height:60px;

}


/*==========================
SECURITY STRIP
==========================*/

.security-strip{

    margin-top:40px;

    display:grid;

    grid-template-columns:repeat(4,1fr);

    gap:20px;

}

.security-strip div{

    background:#0B3C5D;

    color:#fff;

    border-radius:14px;

    padding:18px;

    text-align:center;

    font-weight:600;

}

.security-strip i{

    display:block;

    font-size:28px;

    margin-bottom:10px;

    color:var(--secondary);

}


/*==========================
SUBMIT BUTTON
==========================*/

.submit-area{

    margin-top:45px;

    text-align:center;

}

.btn{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    gap:10px;

    padding:16px 38px;

    border:none;

    border-radius:50px;

    background:var(--secondary);

    color:var(--primary);

    font-size:17px;

    font-weight:700;

    cursor:pointer;

    transition:var(--transition);

    box-shadow:0 10px 25px rgba(212,175,55,.25);

}

.btn:hover{

    transform:translateY(-4px);

    background:#c89b18;

}

/*==================================================
Part 3 - Why Section, FAQ, Footer & Responsive
==================================================*/


/*==========================
WHY UPLOAD
==========================*/

.why-upload{

    background:#ffffff;

}

.why-grid{

    display:grid;

    grid-template-columns:repeat(4,1fr);

    gap:30px;

    margin-top:50px;

}

.why-card{

    background:#fff;

    padding:35px 25px;

    border-radius:18px;

    text-align:center;

    box-shadow:var(--shadow);

    transition:var(--transition);

    border-top:4px solid transparent;

}

.why-card:hover{

    transform:translateY(-10px);

    border-color:var(--secondary);

}

.why-card i{

    width:80px;

    height:80px;

    display:flex;

    align-items:center;

    justify-content:center;

    margin:auto;

    border-radius:50%;

    background:rgba(212,175,55,.15);

    color:var(--secondary);

    font-size:34px;

    margin-bottom:25px;

}

.why-card h3{

    color:var(--primary);

    margin-bottom:15px;

}

.why-card p{

    color:var(--gray);

}


/*==========================
FAQ
==========================*/

.faq{

    background:#f8fafc;

}

.faq-item{

    background:#fff;

    padding:25px;

    margin-bottom:20px;

    border-left:5px solid var(--secondary);

    border-radius:12px;

    box-shadow:var(--shadow);

}

.faq-item h3{

    color:var(--primary);

    margin-bottom:12px;

}

.faq-item p{

    color:var(--gray);

}


/*==========================
SUPPORT
==========================*/

.support{

    background:linear-gradient(135deg,var(--primary),var(--primary-dark));

    color:#fff;

    text-align:center;

}

.support h2{

    font-size:2.5rem;

    margin-bottom:20px;

}

.support p{

    max-width:700px;

    margin:auto;

    color:#dbeafe;

}

.support-buttons{

    display:flex;

    justify-content:center;

    gap:20px;

    margin-top:40px;

}

.whatsapp-btn{

    background:#25D366;

    color:#fff;

}

.whatsapp-btn:hover{

    background:#1ea851;

}


/*==========================
FOOTER
==========================*/

footer{

    background:#081f33;

    color:#d1d5db;

    padding:70px 0 0;

}

.footer-grid{

    display:grid;

    grid-template-columns:2fr 1fr 1.5fr;

    gap:40px;

}

.footer-logo{

    width:80px;

    height:80px;

    border-radius:50%;

    border:3px solid var(--secondary);

    margin-bottom:20px;

}

.footer-grid h3{

    color:#fff;

    margin-bottom:20px;

}

.footer-grid p{

    margin-bottom:12px;

    color:#cbd5e1;

}

.footer-grid ul{

    list-style:none;

    padding:0;

}

.footer-grid li{

    margin-bottom:12px;

}

.footer-grid a{

    color:#cbd5e1;

    transition:.3s;

}

.footer-grid a:hover{

    color:var(--secondary);

    padding-left:6px;

}

.footer-bottom{

    margin-top:50px;

    padding:25px;

    border-top:1px solid rgba(255,255,255,.08);

    text-align:center;

}


/*==========================
FLOATING WHATSAPP
==========================*/

.floating-whatsapp{

    position:fixed;

    right:25px;

    bottom:25px;

    width:60px;

    height:60px;

    border-radius:50%;

    background:#25D366;

    color:#fff;

    display:flex;

    align-items:center;

    justify-content:center;

    font-size:28px;

    box-shadow:0 12px 25px rgba(0,0,0,.25);

    z-index:999;

    transition:.3s;

}

.floating-whatsapp:hover{

    transform:scale(1.1);

}


/*==========================
TOP BUTTON
==========================*/

#topBtn{

    position:fixed;

    right:25px;

    bottom:100px;

    width:52px;

    height:52px;

    border:none;

    border-radius:50%;

    background:var(--primary);

    color:#fff;

    cursor:pointer;

    display:none;

    z-index:998;

    transition:.3s;

}

#topBtn:hover{

    background:var(--secondary);

    color:var(--primary);

}


/*==========================
ANIMATIONS
==========================*/

@keyframes fadeUp{

    from{

        opacity:0;

        transform:translateY(35px);

    }

    to{

        opacity:1;

        transform:translateY(0);

    }

}

.fade-up{

    animation:fadeUp .8s ease both;

}


/*==========================
RESPONSIVE
==========================*/

@media(max-width:992px){

    .hero-features{

        grid-template-columns:repeat(2,1fr);

    }

    .why-grid{

        grid-template-columns:repeat(2,1fr);

    }

    .footer-grid{

        grid-template-columns:1fr 1fr;

    }

}


@media(max-width:768px){

    .hero{

        min-height:auto;

        padding:140px 0 90px;

    }

    .hero h1{

        font-size:2.2rem;

    }

    .hero-features{

        grid-template-columns:1fr;

    }

    .form-grid{

        grid-template-columns:1fr;

    }

    .checkbox-grid{

        grid-template-columns:1fr;

    }

    .security-strip{

        grid-template-columns:1fr 1fr;

    }

    .why-grid{

        grid-template-columns:1fr;

    }

    .support-buttons{

        flex-direction:column;

        align-items:center;

    }

    .footer-grid{

        grid-template-columns:1fr;

        text-align:center;

    }

}


@media(max-width:480px){

    section{

        padding:70px 0;

    }

    .hero-logo{

        width:100px;

        height:100px;

    }

    .hero h1{

        font-size:1.8rem;

    }

    .section-title h2{

        font-size:2rem;

    }

    #uploadForm{

        padding:25px;

    }

    .security-strip{

        grid-template-columns:1fr;

    }

    .btn{

        width:100%;

    }

}

.file-item{

    display:flex;

    justify-content:space-between;

    align-items:center;

    background:#fff;

    padding:12px 15px;

    border:1px solid #e2e8f0;

    border-radius:10px;

    margin-bottom:10px;

}

.file-item p{

    margin:0;

    font-weight:500;

}

.file-item small{

    color:#64748b;

}

.upload-status {

    margin-top: 20px;

    text-align: center;

    color: var(--primary);

    font-weight: 600;

}

.spinner {

    width: 22px;

    height: 22px;

    border: 3px solid #ddd;

    border-top: 3px solid var(--secondary);

    border-radius: 50%;

    animation: spin 1s linear infinite;

    display: inline-block;

    vertical-align: middle;

    margin-right: 10px;

}

@keyframes spin {

    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }

}