*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Cairo',sans-serif;
}

body{
    background:
    linear-gradient(135deg,#07122b,#0b1d46);
    padding:40px;
}

.container{
    max-width:1300px;
    margin:auto;
}

.topbar{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:30px;
    color:#fff;
}

.topbar h1{
    font-size:42px;
    font-weight:800;
    margin-bottom:10px;
}

.topbar p{
    color:#d7d7d7;
    font-size:18px;
}

.pdf-btn{
    background:linear-gradient(135deg,#22c55e,#16a34a);
    color:#fff;
    border:none;
    padding:16px 40px;
    border-radius:18px;
    font-size:20px;
    font-weight:bold;
    cursor:pointer;
    box-shadow:0 15px 30px rgba(34,197,94,0.3);
    transition:0.3s;
}

.pdf-btn:hover{
    transform:translateY(-3px);
}

.invoice{
    background:#fff;
    border-radius:35px;
    padding:55px;
    position:relative;
    overflow:hidden;

    box-shadow:
    0 15px 40px rgba(0,0,0,0.15),
    0 40px 100px rgba(0,0,0,0.15);
}

.invoice::before{
    content:'';
    position:absolute;
    width:350px;
    height:350px;
    background:rgba(91,59,145,0.05);
    border-radius:50%;
    top:-140px;
    left:-140px;
}

.invoice::after{
    content:'';
    position:absolute;
    width:280px;
    height:280px;
    background:rgba(34,197,94,0.05);
    border-radius:50%;
    bottom:-120px;
    right:-120px;
}

.header{
    display:flex;
    justify-content:space-between;
    align-items:flex-start;
    margin-bottom:45px;
    position:relative;
    z-index:2;
}

.company h2{
    color:#5b3b91;
    font-size:52px;
    font-weight:800;
    margin-bottom:10px;
}

.company span{
    color:#777;
    font-size:20px;
}

.invoice-box{
    display:flex;
    gap:18px;
}

.box{
    background:linear-gradient(135deg,#f8f9ff,#eef2ff);
    border:1px solid #dfe5ff;
    padding:22px;
    border-radius:24px;
    min-width:210px;
    text-align:center;

    box-shadow:
    0 10px 25px rgba(91,59,145,0.08);
}

.box small{
    color:#777;
    font-size:15px;
}

.box h3{
    margin-top:12px;
    color:#21409a;
    font-size:32px;
    font-weight:800;
}

.grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:30px;
    margin-bottom:40px;
    position:relative;
    z-index:2;
}

.card{
    background:#fff;
    border:1px solid #ececec;
    border-radius:28px;
    padding:32px;

    box-shadow:
    0 10px 25px rgba(0,0,0,0.04);
}

.card h3{
    color:#5b3b91;
    margin-bottom:28px;
    font-size:30px;
    font-weight:800;
}

.card label{
    display:block;
    margin-bottom:8px;
    color:#666;
    font-size:15px;
    font-weight:600;
}

.card input{
    width:100%;
    height:60px;
    border:1px solid #dcdcdc;
    border-radius:18px;
    margin-bottom:20px;
    padding:0 18px;
    font-size:17px;
    background:#f9fbff;
    transition:0.3s;
}

.card input:focus{
    outline:none;
    border-color:#5b3b91;
    background:#fff;
}

.coverage{
    margin-top:10px;
    position:relative;
    z-index:2;
}

.coverage h3{
    color:#5b3b91;
    font-size:34px;
    margin-bottom:30px;
    font-weight:800;
}

.coverage-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
    gap:22px;
}

.coverage-grid label{
    display:block;
    margin-bottom:10px;
    color:#666;
    font-weight:600;
}

.coverage-grid input,
.coverage-grid select{
    width:100%;
    height:58px;
    border:1px solid #ddd;
    border-radius:18px;
    padding:0 18px;
    background:#f9fbff;
    font-size:16px;
}

.coverage-grid input:focus,
.coverage-grid select:focus{
    outline:none;
    border-color:#5b3b91;
    background:#fff;
}

.stamp{
    display:flex;
    justify-content:center;
    margin-top:70px;
    position:relative;
    z-index:2;
}

.circle{
    width:190px;
    height:190px;
    border:6px solid #8b5cc7;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    flex-direction:column;

    color:#8b5cc7;
    font-weight:800;

    box-shadow:
    0 10px 30px rgba(139,92,199,0.15);
}

.circle span{
    font-size:34px;
}

.footer{
    text-align:center;
    margin-top:50px;
    color:#777;
    line-height:2.2;
    position:relative;
    z-index:2;
}

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

@media(max-width:900px){

body{
    padding:15px;
}

.topbar{
    flex-direction:column;
    gap:20px;
    align-items:flex-start;
}

.header{
    flex-direction:column;
    gap:25px;
}

.grid{
    grid-template-columns:1fr;
}

.invoice-box{
    flex-direction:column;
    width:100%;
}

.box{
    width:100%;
}

.company h2{
    font-size:38px;
}

.invoice{
    padding:30px;
}

}