/* EduPredictor Pricing - Premium Dark Theme */
:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: rgba(30, 41, 59, 0.7);
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --accent-primary: #3b82f6;
    --accent-secondary: #8b5cf6;
    --accent-success: #10b981;
    --border-color: #334155;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.15);
}

.pricing-page {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
}

.pricing-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.pricing-header {
    text-align: center;
    padding: 60px 20px;
    margin-bottom: 40px;
}

.pricing-title {
    font-size: 3rem;
    font-weight: 800;
    margin: 0 0 20px 0;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.pricing-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 30px;
}

.trust-strip {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.trust-strip span {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Plans Section */
.plans-section {
    margin-bottom: 80px;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

@media (max-width: 1024px) {
    .plans-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .plans-grid {
        grid-template-columns: 1fr;
    }
}

/* Plan Cards */
.plan-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.plan-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.popular-plan {
    border: 2px solid var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.popular-plan::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 20px 20px 0 0;
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
}

/* Plan Header */
.plan-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--border-color);
}

.plan-name {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 0 10px 0;
    color: var(--text-primary);
}

.plan-tagline {
    color: var(--text-secondary);
    margin: 0 0 25px 0;
    font-size: 0.95rem;
}

/* Pricing */
.plan-pricing {
    margin-top: 20px;
}

.current-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
    margin-bottom: 10px;
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
}

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

.original-price {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
}

.strikethrough {
    text-decoration: line-through;
    font-size: 1.1rem;
}

.discount {
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent-success);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* Features */
.plan-features {
    flex: 1;
    margin-bottom: 30px;
}

.plan-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-item:last-child {
    border-bottom: none;
}

.feature-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.8rem;
    margin-top: 2px;
}

.feature-item.included .feature-icon {
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent-success);
}

.feature-item.excluded .feature-icon {
    background: rgba(100, 116, 139, 0.2);
    color: var(--text-muted);
}

.feature-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.4;
}

.feature-item.excluded .feature-text {
    color: var(--text-muted);
    opacity: 0.7;
}

.feature-note {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-left: 5px;
}

/* Plan Actions */
.plan-actions {
    text-align: center;
}

.plan-cta {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 15px;
}

.plan-cta:hover {
    opacity: 0.95;
    transform: translateY(-2px);
}

.popular-plan .plan-cta {
    background: white;
    color: var(--accent-primary);
}

.plan-note {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0;
}

/* Explanation Section */
.explanation-section {
    margin-bottom: 80px;
}

.explanation-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 50px;
    border: 1px solid var(--border-color);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin: 0 0 50px 0;
    color: var(--text-primary);
}

.explanation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

@media (max-width: 768px) {
    .explanation-grid {
        grid-template-columns: 1fr;
    }
}

.explanation-item {
    text-align: center;
}

.explanation-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.explanation-item h3 {
    font-size: 1.3rem;
    margin: 0 0 15px 0;
    color: var(--text-primary);
}

.explanation-item p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* Ultra Section */
.ultra-section {
    margin-bottom: 80px;
}

.ultra-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8), rgba(59, 130, 246, 0.1));
    border-radius: 20px;
    padding: 40px;
    border: 1px solid var(--accent-primary);
    position: relative;
    overflow: hidden;
}

.ultra-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

.ultra-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent-primary);
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.ultra-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: center;
}

@media (max-width: 768px) {
    .ultra-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.ultra-text h2 {
    font-size: 1.8rem;
    margin: 0 0 20px 0;
    color: var(--text-primary);
}

.ultra-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}

.ultra-features li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-secondary);
}

.ultra-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-success);
    font-weight: bold;
}

.ultra-note {
    color: var(--text-muted);
    font-style: italic;
    margin: 20px 0 0 0;
}

.ultra-visual {
    text-align: center;
}

.visual-icon {
    font-size: 4rem;
    margin-bottom: 15px;
    display: block;
}

.visual-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin: 0;
}

/* Trust Section */
.trust-section {
    margin-bottom: 80px;
}

.trust-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 50px;
    border: 1px solid var(--border-color);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.trust-item {
    text-align: center;
}

.trust-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
}

.trust-item h3 {
    font-size: 1.2rem;
    margin: 0 0 10px 0;
    color: var(--text-primary);
}

.trust-item p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.95rem;
}

/* FAQ Section */
.faq-section {
    margin-bottom: 80px;
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-card);
}

.faq-question {
    width: 100%;
    padding: 20px;
    text-align: left;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s;
    flex-shrink: 0;
}

.faq-question[aria-expanded="true"] .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s, padding 0.3s;
}

.faq-answer.open {
    padding: 0 20px 20px;
    max-height: 500px;
}

.faq-answer p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* Final CTA */
.final-cta {
    margin-bottom: 60px;
}

.cta-card {
    background: linear-gradient(135deg, var(--bg-card), rgba(59, 130, 246, 0.1));
    border-radius: 20px;
    padding: 50px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.cta-card h2 {
    font-size: 2.5rem;
    margin: 0 0 20px 0;
    color: var(--text-primary);
}

.cta-card p {
    color: var(--text-secondary);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

.cta-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    padding: 16px 40px;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.cta-button.primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

.cta-button.secondary {
    background: transparent;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Modal */
.selection-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.selection-modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 40px;
    max-width: 500px;
    width: 100%;
    border: 1px solid var(--border-color);
    position: relative;
    box-shadow: var(--shadow-lg);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content h3 {
    margin: 0 0 30px 0;
    color: var(--text-primary);
    font-size: 1.5rem;
}

.payment-methods {
    margin-bottom: 30px;
}

.payment-method {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 10px;
    padding: 15px;
    transition: all 0.2s;
}

.payment-method.selected {
    border-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.1);
}

.payment-method input {
    display: none;
}

.payment-method label {
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
}

.payment-icon {
    font-size: 1.5rem;
}

.payment-name {
    flex: 1;
    font-weight: 600;
    color: var(--text-primary);
}

.payment-note {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.payment-summary {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 30px;
}

.payment-summary h4 {
    margin: 0 0 20px 0;
    color: var(--text-primary);
}

.summary-item, .summary-total {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.summary-total {
    border-bottom: none;
    font-weight: 700;
    color: var(--text-primary);
    padding-top: 15px;
    margin-top: 10px;
    border-top: 1px solid var(--border-color);
}

.modal-footer {
    display: flex;
    gap: 15px;
}

.btn-cancel, .btn-confirm {
    flex: 1;
    padding: 15px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.btn-cancel {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-confirm {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

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

/* Responsive */
@media (max-width: 640px) {
    .pricing-title {
        font-size: 2.2rem;
    }
    
    .pricing-subtitle {
        font-size: 1.1rem;
    }
    
    .trust-strip {
        flex-direction: column;
        gap: 15px;
    }
    
    .plan-card {
        padding: 25px;
    }
    
    .amount {
        font-size: 2.8rem;
    }
    
    .explanation-card,
    .trust-card,
    .cta-card {
        padding: 30px 20px;
    }
    
    .modal-content {
        padding: 30px 20px;
    }
    
    .modal-footer {
        flex-direction: column;
    }
}