:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text: #f8fafc;
    --text-muted: #94a3b8;
}

body {
    font-family: "Inter", sans-serif;
    background: var(--bg);
    color: var(--text);
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-image: radial-gradient(circle at top right, #1e293b, #0f172a);
}

.container {
    width: 100%;
    max-width: 500px;
    padding: 20px;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

h1 {
    font-weight: 800;
    font-size: 2rem;
    margin-bottom: 1rem;
    background: linear-gradient(to bottom right, #fff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.badge {
    background: rgba(99, 102, 241, 0.1);
    color: #818cf8;
    padding: 6px 12px;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 1rem;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.pricing {
    margin: 2rem 0;
}

.amount {
    font-size: 3rem;
    font-weight: 800;
    color: white;
}

.currency, .period {
    color: var(--text-muted);
    font-weight: 600;
}

.input-field {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 14px;
    border-radius: 12px;
    color: white;
    font-family: inherit;
    box-sizing: border-box;
    margin-bottom: 0.5rem;
}

.input-field:focus {
    outline: none;
    border-color: var(--primary);
}

.features-list {
    margin-top: 2rem;
    text-align: left;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.feature {
    margin-bottom: 10px;
}

p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.btn-primary {
    display: inline-block;
    background: var(--primary);
    color: white;
    text-decoration: none;
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.2s;
    box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.instructions {
    margin-top: 3rem;
    text-align: left;
    background: rgba(0, 0, 0, 0.2);
    padding: 20px;
    border-radius: 16px;
}

.actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 2rem;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: white;
    padding: 14px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.copy-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px 16px;
    border-radius: 12px;
    margin-top: 10px;
}

.copy-status {
    font-size: 0.7rem;
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
}

.instructions h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

ul {
    padding-left: 20px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

li {
    margin-bottom: 8px;
}

.copy-box {
    margin-top: 15px;
    background: #000;
    padding: 10px;
    border-radius: 8px;
    font-size: 0.8rem;
    overflow-x: auto;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

code {
    color: #818cf8;
}