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

body {
    font-family: 'Inter', sans-serif;
    background:#0f172a;
    height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    overflow:hidden;
}

.bg-blur {
    position:absolute;
    width:600px;
    height:600px;
    background:radial-gradient(circle, #00ffcc 0%, transparent 70%);
    filter:blur(120px);
    opacity:0.2;
}

.card {
    width:420px;
    background:rgba(255,255,255,0.05);
    backdrop-filter:blur(25px);
    border:1px solid rgba(255,255,255,0.1);
    border-radius:24px;
    padding:40px;
    color:white;
    box-shadow:0 30px 80px rgba(0,0,0,0.6);
}

.header {
    text-align:center;
    margin-bottom:30px;
}

.header h1 {
    font-size:26px;
    font-weight:700;
}

.header p {
    font-size:14px;
    opacity:0.6;
}

.input-group {
    position:relative;
    margin-bottom:20px;
}

.input-group input {
    width:100%;
    padding:16px;
    border-radius:14px;
    border:1px solid rgba(255,255,255,0.15);
    background:transparent;
    color:white;
    font-size:15px;
}

.input-group label {
    position:absolute;
    left:16px;
    top:16px;
    font-size:14px;
    opacity:0.5;
    pointer-events:none;
    transition:0.2s;
}

.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label {
    top:-8px;
    font-size:12px;
    opacity:1;
}

.plans {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:15px;
    margin:25px 0;
}

.plan {
    padding:20px;
    border-radius:18px;
    background:rgba(255,255,255,0.05);
    cursor:pointer;
    transition:0.3s;
    text-align:center;
    border:1px solid transparent;
    position:relative;
}

.plan:hover {
    transform:translateY(-5px);
    border-color:#00ffcc;
}

.plan.active {
    background:linear-gradient(135deg,#00ffcc,#00c896);
    color:#000;
    font-weight:600;
}

.plan span {
    display:block;
    margin-top:6px;
    font-size:18px;
}

.badge {
    position:absolute;
    top:-10px;
    right:-10px;
    background:#ff0066;
    padding:5px 10px;
    border-radius:20px;
    font-size:10px;
}

.pay-btn {
    width:100%;
    padding:18px;
    border:none;
    border-radius:16px;
    background:linear-gradient(135deg,#00ffcc,#00c896);
    color:black;
    font-size:16px;
    font-weight:600;
    cursor:pointer;
    transition:0.3s;
    position:relative;
    overflow:hidden;
}

.pay-btn:hover {
    transform:translateY(-3px);
    box-shadow:0 15px 40px rgba(0,255,200,0.4);
}

.pay-btn.loading span {
    opacity:0.5;
}

.footer {
    margin-top:25px;
    text-align:center;
    font-size:12px;
    opacity:0.5;
}

/* ===== Animated background ===== */
.animated-bg {
    position:fixed;
    width:200%;
    height:200%;
    background:radial-gradient(circle at 30% 30%, #00ffcc22, transparent 40%),
               radial-gradient(circle at 70% 60%, #ff00aa22, transparent 40%);
    animation:moveBg 12s infinite alternate ease-in-out;
    z-index:-1;
}

@keyframes moveBg {
    0% { transform:translate(0,0) rotate(0deg); }
    100% { transform:translate(-100px,-50px) rotate(10deg); }
}

/* Alert */
.alert {
    background:#ff003344;
    border:1px solid #ff0033;
    padding:12px;
    border-radius:12px;
    margin-bottom:20px;
    text-align:center;
}

.hidden {
    display:none;
}

/* Currency switch */
.currency-switch {
    display:flex;
    gap:10px;
    margin-bottom:20px;
}

.currency {
    flex:1;
    padding:10px;
    border-radius:10px;
    border:1px solid rgba(255,255,255,0.2);
    background:transparent;
    color:white;
    cursor:pointer;
}

.currency.active {
    background:#00ffcc;
    color:black;
    font-weight:600;
}

/* Legal links */
.legal {
    margin-top:20px;
    display:flex;
    justify-content:space-between;
    font-size:12px;
}

.legal a {
    color:rgba(255,255,255,0.6);
    text-decoration:none;
}

.legal a:hover {
    color:#00ffcc;
}