/* =====================================
   DUBEY CLASSES
   Professional Website Style
===================================== */

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

body{
    background:#f4f7fc;
    color:#333;
}

/* Banner */

.hero-banner{
    width:100%;
    overflow:hidden;
}

.hero-banner img{
    width:100%;
    display:block;
}

/* Hero Section */

.hero{
    background:white;
    width:92%;
    max-width:900px;
    margin:20px auto;
    padding:30px 20px;
    border-radius:20px;
    text-align:center;
    box-shadow:0 8px 25px rgba(0,0,0,.12);
}

.hero h2{
    font-size:42px;
    color:#0d47a1;
    margin-bottom:10px;
}

.tagline{
    font-size:22px;
    color:#555;
    margin-bottom:20px;
}

.hero p{
    font-size:19px;
    margin:10px 0;
}

/* Buttons */

.hero a{
    text-decoration:none;
}

.hero button{
    width:100%;
    max-width:350px;
    margin:10px auto;
    display:block;
    padding:16px;
    border:none;
    border-radius:12px;
    background:#1565c0;
    color:white;
    font-size:18px;
    font-weight:bold;
    cursor:pointer;
    transition:.3s;
}

.hero button:hover{
    background:#0d47a1;
    transform:scale(1.03);
}

/* Sections */

section{
    background:white;
    width:92%;
    max-width:900px;
    margin:25px auto;
    padding:25px;
    border-radius:18px;
    box-shadow:0 5px 18px rgba(0,0,0,.10);
}

section h2{
    text-align:center;
    color:#0d47a1;
    font-size:36px;
    margin-bottom:25px;
}

/* Form */

input,
textarea,
select{
    width:100%;
    padding:14px;
    margin:12px 0;
    border:1px solid #ccc;
    border-radius:10px;
    font-size:16px;
}

textarea{
    resize:none;
    height:100px;
}

form button{
    width:100%;
    background:#0d47a1;
    color:white;
    padding:15px;
    border:none;
    border-radius:10px;
    font-size:18px;
    cursor:pointer;
}

form button:hover{
    background:#1565c0;
}

/* Admin Header */

.admin-header{
    background:white;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:20px;
    position:relative;
    border-bottom:4px solid #0d47a1;
}

.admin-header .logo{
    width:65px;
    height:65px;
    border-radius:50%;
    position:absolute;
    left:20px;
}

.admin-header .title{
    text-align:center;
}

.admin-header .title h1{
    color:#d50000;
    font-size:34px;
}

.admin-header .title p{
    color:#0d47a1;
    margin-top:5px;
    font-weight:bold;
}

/* Cards */

.card{
    background:#fff;
    border-radius:12px;
    padding:20px;
    margin:15px 0;
    box-shadow:0 3px 12px rgba(0,0,0,.08);
}

/* Tables */

table{
    width:100%;
    border-collapse:collapse;
    margin-top:15px;
}

th{
    background:#0d47a1;
    color:white;
    padding:12px;
}

td{
    border:1px solid #ddd;
    padding:10px;
    text-align:center;
}

/* Receipt */

.receipt{
    max-width:700px;
    margin:auto;
    background:white;
    padding:25px;
    border:2px solid #0d47a1;
    border-radius:12px;
}

.receipt-header{
    display:flex;
    align-items:center;
    gap:15px;
    margin-bottom:20px;
}

.receipt-header img{
    width:75px;
    border-radius:50%;
}

.printBtn{
    margin-top:20px;
}

@media print{

.printBtn{
display:none;
}

body{
background:white;
}

}

/* Mobile */

@media(max-width:600px){

.hero{
    padding:20px 15px;
}

.hero h2{
    font-size:30px;
}

.tagline{
    font-size:18px;
}

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

.hero button{
    font-size:17px;
}

section{
    padding:18px;
}

section h2{
    font-size:28px;
}

.admin-header{
    flex-direction:column;
    padding-top:90px;
}

.admin-header .logo{
    left:50%;
    transform:translateX(-50%);
    top:15px;
}

.admin-header .title h1{
    font-size:28px;
}

table{
    display:block;
    overflow-x:auto;
}

}

.hero-banner{
    width:100%;
    overflow:hidden;
}

.hero-banner img{
    width:100%;
    display:block;
}
/* About Teacher */

.about-teacher{
    max-width:900px;
    margin:30px auto;
}

.teacher-card{
    background:#ffffff;
    border-left:6px solid #0d47a1;
    border-radius:15px;
    padding:25px;
    box-shadow:0 5px 15px rgba(0,0,0,.1);
}

.teacher-card h3{
    color:#0d47a1;
    margin-bottom:15px;
    text-align:center;
}

.teacher-card p{
    font-size:18px;
    line-height:1.8;
}