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

body {
    background: #f5f7fb;
    color: #111827;
    font-family: 'Poppins', sans-serif;
    transition: 0.3s;
}

body.dark {
    background: #0b0b0f;
    color: #ffffff;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 40px auto;
}

.section {
    text-align: center;
}

.section-badge {
    display: inline-block;
    background: #1e3a8a;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    margin-bottom: 30px;
}

.cards {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.card {
    background: rgba(255,255,255,0.03);
    padding: 25px;
    border-radius: 14px;
    width: 300px;
    border: 1px solid rgba(255,255,255,0.05);
}

.card h3 {
    margin-bottom: 10px;
}

.card p {
    font-size: 13px;
    opacity: 0.7;
}

.price {
    display: block;
    margin: 15px 0;
    font-weight: bold;
}

.card button {
    background: #2563eb;
    border: none;
    padding: 10px;
    border-radius: 8px;
    color: white;
    cursor: pointer;
}

.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}