:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #ec4899;
    --accent: #fbbf24;
    --dark: #1e293b;
    --light: #f8fafc;
    --white: #ffffff;
    --gray: #64748b;
    --danger: #ef4444;
    --font-main: 'Outfit', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    max-width: 600px;
    width: 100%;
    background: white;
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    position: relative;
    border: 1px solid #e2e8f0;
}

.header {
    background: var(--danger);
    color: white;
    padding: 1.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 45%, rgba(255, 255, 255, 0.1) 50%, transparent 55%);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.header h1 {
    font-size: 1.75rem;
    font-weight: 800;
    text-transform: uppercase;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

.header p {
    font-size: 1rem;
    opacity: 0.9;
}

.content {
    padding: 2.5rem;
    text-align: center;
}

.alert-box {
    background: #fef2f2;
    border: 2px dashed var(--danger);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.alert-box h2 {
    color: var(--danger);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.alert-box p {
    color: var(--dark);
    font-size: 1.1rem;
}

.price-display {
    margin: 2rem 0;
}

.old-price {
    text-decoration: line-through;
    color: var(--gray);
    font-size: 1.2rem;
    display: block;
    margin-bottom: 0.5rem;
}

.new-price {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.new-price span {
    font-size: 1.5rem;
    font-weight: 600;
}

.benefits-list {
    text-align: left;
    margin: 0 auto 2rem;
    max-width: 400px;
    list-style: none;
}

.benefits-list li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.05rem;
    color: var(--dark);
}

.benefits-list li i {
    color: var(--secondary);
    font-size: 1.2rem;
}

.btn {
    display: block;
    width: 100%;
    padding: 1.25rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.25rem;
    border-radius: 12px;
    text-transform: uppercase;
    box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.3);
    transition: transform 0.2s;
    animation: pulse 2s infinite;
}

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

.guarantee {
    margin-top: 2rem;
    font-size: 0.9rem;
    color: var(--gray);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(99, 102, 241, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0);
    }
}

@media (max-width: 600px) {
    .content {
        padding: 1.5rem;
    }

    .header h1 {
        font-size: 1.5rem;
    }

    .new-price {
        font-size: 3rem;
    }
}