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

body{
    background:#0d1117;
    font-family:Arial,sans-serif;
}

.premium-slider{
    width:95%;
    max-width:1000px;
    margin:20px auto;
}

.slide{
    display:none;
    text-align:center;
    padding:40px 25px;
    border-radius:25px;
    background:linear-gradient(135deg,#111827,#1e293b);
    border:2px solid gold;
    box-shadow:0 0 25px rgba(255,215,0,.5);
}

.slide.active{
    display:block;
}

.offer-badge{
    display:inline-block;
    background:red;
    color:white;
    padding:10px 20px;
    border-radius:30px;
    font-weight:bold;
    margin-bottom:20px;
    animation:blink 1s infinite;
}

@keyframes blink{
    50%{
        opacity:.4;
    }
}

.slide h1,
.slide h2{
    color:gold;
    margin-bottom:20px;
}

.price-section{
    margin:20px 0;
}

.old-price{
    color:#ccc;
    text-decoration:line-through;
    font-size:40px;
}

.arrow{
    color:gold;
    font-size:35px;
    margin:0 10px;
}

.new-price{
    color:#00ff88;
    font-size:70px;
    font-weight:bold;
    text-shadow:0 0 15px #00ff88;
}

.save-text{
    color:white;
    font-size:22px;
    margin-top:10px;
}

.btn{
    display:inline-block;
    margin-top:25px;
    padding:15px 35px;
    background:gold;
    color:black;
    text-decoration:none;
    border-radius:40px;
    font-weight:bold;
    font-size:18px;
}

.feature-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:15px;
    margin-top:25px;
}

.feature{
    background:#0f172a;
    color:white;
    padding:15px;
    border-radius:15px;
    border:1px solid gold;
}

/* Mobile */

@media(max-width:768px){

    .slide{
        padding:25px 15px;
    }

    .old-price{
        font-size:28px;
    }

    .new-price{
        font-size:50px;
    }

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

    .save-text{
        font-size:18px;
    }
}

/* Desktop */

@media(min-width:769px){

    .slide{
        min-height:400px;
    }

    .feature-grid{
        grid-template-columns:repeat(2,1fr);
    }
}