:root {
    --primary-color: #4361ee;
    --primary-light: #e0e7ff;
    --secondary-color: #3f37c9;
    --dark-color: #1e1e24;
    --light-color: #f8f9fa;
    --gray-color: #6c757d;
    --success-color: #4bb543;
    --danger-color: #ff3333;
    --featured-color: #ffd166;
    
    --border-radius: 12px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f5f7ff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.section-subtitle {
    text-align: center;
    color: var(--gray-color);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.currency-selector, .billing-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.currency-selector label, .billing-toggle span {
    font-weight: 500;
    color: var(--dark-color);
}

.currency-selector select {
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    border: 1px solid #ddd;
    background-color: white;
    cursor: pointer;
    transition: var(--transition);
}

.currency-selector select:hover {
    border-color: var(--primary-color);
}

.discount-badge {
    background-color: var(--primary-light);
    color: var(--primary-color);
    padding: 0.2rem 0.5rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Switch toggle */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: var(--transition);
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition);
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

/* Pricing cards */
.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.pricing-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    border: 1px solid #eee;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured {
    border: 1px solid var(--primary-color);
}

.card-header {
    padding: 2rem;
    text-align: center;
    background-color: white;
    border-bottom: 1px solid #eee;
}

.card-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.price {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.price .currency {
    font-size: 1.5rem;
    margin-top: 0.3rem;
    margin-right: 0.2rem;
    color: var(--dark-color);
}

.price .amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--dark-color);
    line-height: 1;
}

.price .period {
    font-size: 1rem;
    color: var(--gray-color);
    align-self: flex-end;
    margin-bottom: 0.5rem;
    margin-left: 0.2rem;
}

.annual-price {
    font-size: 0.9rem;
    color: var(--gray-color);
    display: none;
}

.card-body {
    padding: 2rem;
}

.card-body ul {
    list-style: none;
}

.card-body li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-body i.fa-check {
    color: var(--success-color);
}

.card-body i.fa-times {
    color: var(--danger-color);
}

.disabled {
    color: var(--gray-color);
    opacity: 0.7;
}

.card-footer {
    padding: 1.5rem 2rem;
    text-align: center;
    border-top: 1px solid #eee;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn.primary {
    background-color: var(--primary-color);
    color: white;
}

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

.btn.secondary {
    background-color: white;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

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

.btn.outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

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

.popular-tag {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--featured-color);
    color: var(--dark-color);
    padding: 0.5rem 1rem;
    border-bottom-left-radius: 5px;
    border-bottom-right-radius: 5px;
    font-weight: 600;
    font-size: 0.8rem;
}

.custom-plan {
    text-align: center;
    margin-bottom: 3rem;
}

.custom-plan p {
    margin-bottom: 1rem;
    color: var(--gray-color);
}

/* FAQ Section */
.faq-section {
    max-width: 800px;
    margin: 0 auto;
}

.faq-section h3 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.faq-item {
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.faq-question {
    padding: 1.5rem;
    background-color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: #f9f9f9;
}

.faq-question i {
    transition: var(--transition);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: white;
}

.faq-answer p {
    padding-bottom: 1.5rem;
}

.faq-item.active .faq-question {
    background-color: var(--primary-light);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .controls {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
}