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


body{
    background:#1b2436;
    font-family:Arial, Helvetica, sans-serif;
    color:#fff;
}

.container{
    width:100%;
    max-width:420px;
    margin:auto;
    padding:10px;
}

/*=========================
ADVERTISEMENT
==========================*/

.ad-section{
    background:#fff;
    border-radius:8px;
    overflow:hidden;
    margin-bottom:6px;
}

.ad-section img{
    width:100%;
    display:block;
}

.ad-text{
    text-align:center;
    font-size:10px;
    color:#6d7588;
    letter-spacing:2px;
    margin:8px 0 14px;
}

/*=========================
QUIZ CARD
==========================*/

.quiz-card{
    background:#2d354b;
    border-radius:12px;
    padding:16px;
    text-align:center;
}

.quiz-card h2{
    font-size:30px;
    font-weight:700;
}

.quiz-card p{
    color:#bfc7d7;
    margin-top:6px;
    margin-bottom:15px;
    font-size:14px;
}

.question-number{
    width:110px;
    margin:auto;
    background:#1f2740;
    color:#fff;
    padding:8px 0;
    border-radius:30px;
    font-size:13px;
    font-weight:bold;
    margin-bottom:15px;
}

.question-box{
    background:#394158;
    border-radius:10px;
    padding:15px;
}

.question-box h3{
    font-size:18px;
    line-height:28px;
    margin-bottom:18px;
}

.answers{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:10px;
}

.answers button{
    height:45px;
    border:none;
    border-radius:6px;
    cursor:pointer;
    background:#1d2435;
    color:#fff;
    font-size:14px;
    font-weight:bold;
    transition:.3s;
}

.answers button:hover{
    background:#0b84ff;
}

/*=========================
FEATURE CARD
==========================*/

.feature-card{
    margin-top:20px;
    background:#343d55;
    border-radius:12px;
    padding:18px;
}

.feature-card h3{
    text-align:center;
    margin-bottom:18px;
    font-size:22px;
}

.feature{
    background:#222b40;
    padding:18px;
    border-radius:10px;
    margin-bottom:15px;
    text-align:center;
}

.feature:last-child{
    margin-bottom:0;
}

.feature h4{
    font-size:20px;
    margin-bottom:8px;
}

.feature p{
    color:#c8d0dd;
    font-size:14px;
    line-height:24px;
}

/*=========================
FUN FACT
==========================*/

.fact-card{
    margin-top:18px;
    background:#343d55;
    border-radius:12px;
    padding:20px;
    text-align:center;
}

.fact-card h3{
    color:#ffffff;
    margin-bottom:10px;
    font-size:22px;
}

.fact-card p{
    line-height:28px;
    color:#d9e1ef;
}

/*=========================
HOW TO PLAY
==========================*/

.how-card{
    margin-top:20px;
    background:#343d55;
    border-radius:12px;
    padding:20px;
}

.how-card h2{
    margin-bottom:18px;
}

.how-card ol{
    padding-left:22px;
}

.how-card li{
    margin-bottom:14px;
    color:#d5dbe7;
    line-height:24px;
}

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

.footer-card{
    margin-top:20px;
    margin-bottom:30px;
    text-align:center;
}

.footer-card h2{
    margin-bottom:18px;
}

.footer-card ul{
    text-align:left;
    padding-left:20px;
}

.footer-card li{
    margin-bottom:10px;
    line-height:24px;
    color:#d5dbe7;
}

/*=========================
ANIMATION
==========================*/

.quiz-card,
.feature-card,
.fact-card,
.how-card{
    animation:fadeUp .6s ease;
}

@keyframes fadeUp{
    from{
        opacity:0;
        transform:translateY(20px);
    }
    to{
        opacity:1;
        transform:translateY(0);
    }
}