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

html{
    scroll-behavior:smooth;
}

body{
    min-height:100vh;
    font-family:Arial,sans-serif;
    color:white;
    overflow-x:hidden;

    background:
        radial-gradient(circle at top left,rgba(229,9,20,.32),transparent 34%),
        radial-gradient(circle at top right,rgba(120,0,0,.25),transparent 34%),
        linear-gradient(135deg,#000,#120000 48%,#000);

    padding:22px;
}

/* biar halaman terasa lebih premium */
body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    background:
        linear-gradient(to bottom,rgba(0,0,0,.2),rgba(0,0,0,.75)),
        radial-gradient(circle at center,transparent 0%,rgba(0,0,0,.45) 80%);
    z-index:-1;
}

.header{
    max-width:920px;
    margin:48px auto 28px;
    text-align:center;
    padding:28px 18px 18px;
}

.header .vip-logo{
    width:78px;
    height:78px;
    border-radius:50%;
    object-fit:cover;
    border:2px solid rgba(229,9,20,.95);
    box-shadow:
        0 0 0 5px rgba(229,9,20,.12),
        0 0 28px rgba(229,9,20,.72);
    margin:0 auto 16px;
    display:block;
}

.header h1{
    font-size:clamp(30px,7vw,48px);
    line-height:1.05;
    margin-bottom:12px;
    letter-spacing:-1px;
    text-shadow:0 0 22px rgba(229,9,20,.45);
}

.header p{
    max-width:680px;
    margin:0 auto;
    color:#d0d0d0;
    font-size:15px;
    line-height:1.7;
}

/* Benefit box */
.benefits{
    max-width:980px;
    margin:0 auto 20px;
    padding:20px;
    border-radius:22px;

    background:
        linear-gradient(145deg,rgba(255,255,255,.075),rgba(255,255,255,.025));
    border:1px solid rgba(255,255,255,.1);
    box-shadow:
        0 18px 40px rgba(0,0,0,.35),
        inset 0 1px 0 rgba(255,255,255,.08);
    backdrop-filter:blur(10px);
}

.benefits h2{
    font-size:21px;
    margin-bottom:14px;
}

.benefits ul{
    list-style:none;
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:10px;
}

.benefits li{
    display:flex;
    align-items:center;
    gap:10px;
    min-height:48px;
    padding:12px 13px;
    color:#e8e8e8;
    background:rgba(0,0,0,.25);
    border:1px solid rgba(255,255,255,.07);
    border-radius:14px;
}

.check{
    flex:0 0 auto;
    width:22px;
    height:22px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:50%;
    color:white;
    background:#e50914;
    font-size:13px;
    font-weight:bold;
    box-shadow:0 0 14px rgba(229,9,20,.55);
}

/* Plan cards */
.plans{
    max-width:980px;
    margin:0 auto;
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:14px;
}

.plan{
    position:relative;
    overflow:hidden;
    min-height:220px;
    padding:20px;
    border-radius:22px;

    background:
        linear-gradient(160deg,rgba(30,30,30,.95),rgba(8,8,8,.98));
    border:1px solid rgba(255,255,255,.09);
    box-shadow:0 18px 36px rgba(0,0,0,.42);
    transition:.25s ease;
}

.plan::after{
    content:"";
    position:absolute;
    inset:auto -40px -55px auto;
    width:120px;
    height:120px;
    background:rgba(229,9,20,.18);
    border-radius:50%;
    filter:blur(4px);
}

.plan:hover{
    transform:translateY(-5px);
    border-color:rgba(229,9,20,.75);
    box-shadow:
        0 22px 46px rgba(0,0,0,.55),
        0 0 24px rgba(229,9,20,.24);
}

.plan h3{
    position:relative;
    z-index:1;
    font-size:21px;
    margin-bottom:10px;
}

.price{
    position:relative;
    z-index:1;
    font-size:29px;
    font-weight:900;
    color:#fff;
    margin-bottom:8px;
    letter-spacing:-.5px;
}

.duration{
    position:relative;
    z-index:1;
    color:#aaa;
    font-size:14px;
    margin-bottom:22px;
}

.plan button{
    position:relative;
    z-index:1;
    width:100%;
    min-height:45px;
    padding:13px;
    border:none;
    border-radius:999px;
    background:linear-gradient(135deg,#e50914,#b00610);
    color:white;
    font-weight:800;
    cursor:pointer;
    font-size:14px;
    box-shadow:0 12px 24px rgba(229,9,20,.28);
    transition:.2s ease;
}

.plan button:hover{
    filter:brightness(1.08);
}

.plan button:active{
    transform:scale(.97);
}

.popular{
    border-color:rgba(229,9,20,.95);
    background:
        radial-gradient(circle at top right,rgba(229,9,20,.32),transparent 38%),
        linear-gradient(160deg,rgba(36,12,12,.98),rgba(8,8,8,.98));
    box-shadow:
        0 22px 48px rgba(0,0,0,.55),
        0 0 28px rgba(229,9,20,.22);
}

.popular::before{
    content:"Best Value";
    position:absolute;
    top:14px;
    right:14px;
    z-index:2;
    background:#e50914;
    color:white;
    font-size:11px;
    padding:6px 10px;
    border-radius:999px;
    font-weight:bold;
    box-shadow:0 0 15px rgba(229,9,20,.45);
}

.popular h3{
    padding-right:92px;
}

.note{
    max-width:760px;
    margin:24px auto 0;
    text-align:center;
    color:#aaa;
    font-size:13px;
    line-height:1.7;
}

/* Modal payment */
.payment-modal{
    position:fixed;
    inset:0;
    display:none;
    align-items:center;
    justify-content:center;
    padding:20px;
    background:rgba(0,0,0,.72);
    z-index:9999;
    backdrop-filter:blur(8px);
}

.payment-modal.is-open{
    display:flex;
}

.payment-dialog{
    position:relative;
    width:min(360px,100%);
    padding:22px;
    border-radius:22px;

    background:
        radial-gradient(circle at top,rgba(229,9,20,.18),transparent 42%),
        linear-gradient(145deg,#181818,#080808);
    border:1px solid rgba(229,9,20,.45);
    box-shadow:
        0 25px 60px rgba(0,0,0,.72),
        0 0 25px rgba(229,9,20,.18);
}

.payment-close{
    position:absolute;
    top:12px;
    right:12px;
    width:32px;
    height:32px;
    border:none;
    border-radius:50%;
    background:rgba(255,255,255,.08);
    color:#fff;
    font-size:23px;
    line-height:1;
    cursor:pointer;
}

.payment-dialog h3{
    font-size:22px;
    margin:0 38px 8px 0;
}

.payment-dialog p{
    color:#cfcfcf;
    font-size:14px;
    line-height:1.6;
    margin-bottom:17px;
}

.payment-options{
    display:grid;
    gap:10px;
}

.payment-options button{
    width:100%;
    min-height:44px;
    padding:12px;
    border:none;
    border-radius:999px;
    background:linear-gradient(135deg,#e50914,#a8050e);
    color:white;
    font-weight:800;
    cursor:pointer;
    font-size:14px;
}

.payment-options button.secondary{
    background:#202020;
    border:1px solid rgba(255,255,255,.13);
    color:#eee;
}

/* Responsive */
@media(max-width:900px){
    .plans{
        grid-template-columns:repeat(2,1fr);
    }
}

@media(max-width:600px){
    body{
        padding:16px;
    }

    .header{
        margin-top:44px;
        padding-top:18px;
    }

    .header .vip-logo{
        width:68px;
        height:68px;
    }

    .header p{
        font-size:14px;
    }

    .benefits{
        padding:16px;
        border-radius:18px;
    }

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

    .benefits li{
        min-height:auto;
        font-size:14px;
    }

    .plans{
        grid-template-columns:1fr;
        gap:13px;
    }

    .plan{
        min-height:auto;
        padding:18px;
        border-radius:19px;
    }

    .price{
        font-size:27px;
    }

    .note{
        font-size:12px;
        padding:0 4px 12px;
    }
}