@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Tamil:wght@400;500;600;700;800&display=swap');

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

body{
    min-height:100vh;
    padding:30px 15px;
}

@keyframes bgmove{
    0%{background-position:0% 50%;}
    50%{background-position:100% 50%;}
    100%{background-position:0% 50%;}
}

.container{
    max-width:1200px;
    margin:auto;
    background:rgba(255,255,255,.12);
	background:linear-gradient(
        135deg,
        #6b0000,
        #b40f1c,
        #d99a1f,
        #f7d36b
    );
    background-size:400% 400%;
    animation:bgmove 12s ease infinite;
    backdrop-filter:blur(10px);
    border-radius:25px;
    padding:40px;
    box-shadow:0 10px 35px rgba(0,0,0,.3);
}

.logo-section{
    text-align:center;
}

.logo-section img{
    width:140px;
    animation:float 3s ease-in-out infinite;
}

@keyframes float{
    0%,100%{
        transform:translateY(0);
    }
    50%{
        transform:translateY(-8px);
    }
}

.logo-section h1{
    margin-top:15px;
    color:#fff8e7;
    font-size:25px;
    font-weight:800;
}

.title-box{
    text-align:center;
    margin-top:25px;
}

.title-box h2{
    color:white;
    font-size:35px;
    font-weight:800;
    text-shadow:0 0 15px rgba(255,255,255,.4);
}

.question-box{
    margin-top:30px;
    background:linear-gradient(
        135deg,
        #ffd86f,
        #fff0b3
    );
    border-radius:20px;
    padding:25px;
    box-shadow:0 6px 20px rgba(0,0,0,.2);
}

.question-box p{
    text-align:center;
    line-height:1.8;
    font-size:24px;
    font-weight:700;
    color:#700000;
}

.options{
    margin-top:35px;
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
}

.options input{
    display:none;
}

.option-card{
    cursor:pointer;
    padding:25px;
    border-radius:20px;
    text-align:center;
    background:white;
    transition:.4s;
    border:3px solid transparent;
}

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

.option-card span{
    color:#a10000;
    font-weight:700;
}

.option-card h3{
    margin-top:10px;
    color:#333;
}

input[type=radio]:checked + .option-card{
    background:linear-gradient(
        135deg,
        #8d0000,
        #d61a2c,
        #f2bf3f
    );
    color:white;
    border:3px solid white;
    transform:scale(1.05);
    box-shadow:0 0 20px rgba(255,255,255,.4);
}

input[type=radio]:checked + .option-card h3,
input[type=radio]:checked + .option-card span{
    color:white;
}

.form-group{
    margin-top:25px;
}

.form-group label{
    display:block;
    margin-bottom:10px;
    color:white;
    font-weight:700;
}

.form-group input{
    width:100%;
    padding:16px;
    border:none;
    border-radius:15px;
    font-size:16px;
}

.form-group input:focus{
    outline:none;
    box-shadow:0 0 15px #ffd86f;
}

.submit-btn{
    width:100%;
    margin-top:35px;
    padding:18px;
    border:none;
    border-radius:18px;
    background:linear-gradient(
        135deg,
        #ffd86f,
        #f5b700
    );
    color:#6b0000;
    font-size:20px;
    font-weight:800;
    cursor:pointer;
    transition:.4s;
}

.submit-btn:hover{
    transform:translateY(-4px);
}

@media(max-width:768px){

    .container{
        padding:25px;
    }

    .logo-section img{
        width:110px;
    }

    .logo-section h1{
        font-size:26px;
    }

    .title-box h2{
        font-size:30px;
    }

    .question-box p{
        font-size:17px;
    }

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