:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #93c5fd;
    --secondary-color: #8b5cf6;
    --success-color: #22c55e;
    --warning-color: #eab308;
    --danger-color: #ef4444;
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --accent-color: #60a5fa;
    --gradient-start: #3b82f6;
    --gradient-mid: #6366f1;
    --gradient-end: #8b5cf6;
    --glow-color: rgba(59, 130, 246, 0.5);
    --neon-glow: 0 0 10px rgba(59, 130, 246, 0.7), 0 0 20px rgba(59, 130, 246, 0.5);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-secondary: 'Space Grotesk', sans-serif;
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-long: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-color);
    background: var(--bg-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4 {
    font-family: var(--font-secondary);
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% auto;
    animation: gradientText 3s ease infinite;
}

@keyframes gradientText {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.pricing-content {
    margin-top: 10px;
    padding: 1rem 2rem;
    flex: 1;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.pricing-header {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.pricing-header::after {
    content: '';
    position: absolute;
    bottom: -1.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    border-radius: 4px;
}

.pricing-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.pricing-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
    color: var(--text-muted);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 5rem;
}

.pricing-card {
    background: rgba(30, 41, 59, 0.7);
    border-radius: 1.5rem;
    padding: 3rem;
    border: 1px solid rgba(96, 165, 250, 0.2);
    transition: var(--transition-long);
    backdrop-filter: blur(5px);
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.3);
    border-color: var(--accent-color);
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
    z-index: -1;
    border-radius: 1.5rem;
    opacity: 0;
    transition: var(--transition-base);
}

.pricing-card:hover::before {
    opacity: 0.3;
    animation: borderGlow 3s linear infinite;
}

.pricing-card.pro {
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.pricing-card.pro:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.3);
}

.pricing-card.pro::after {
    content: 'POPULAR';
    position: absolute;
    top: 20px;
    right: -30px;
    background: linear-gradient(135deg, var(--secondary-color), var(--gradient-end));
    color: white;
    padding: 0.25rem 2.5rem;
    transform: rotate(45deg);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.plan-name {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.plan-name .badge {
    font-size: 0.7rem;
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    background: rgba(255, 255, 255, 0.1);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.plan-price {
    font-size: 3.5rem;
    font-weight: 800;
    margin: 1.5rem 0;
    color: var(--text-color);
    display: flex;
    align-items: flex-start;
    line-height: 1;
}

.plan-price .period {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-top: 0.5rem;
    margin-left: 0.25rem;
}

.plan-description {
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    margin-bottom: 2.5rem;
    flex-grow: 1;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.5;
    position: relative;
    padding-left: 1.75rem;
}

.feature-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.35em;
    width: 1rem;
    height: 1rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2360a5fa'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: contain;
}

.feature-item.pro-only {
    color: var(--text-muted);
}

.feature-item.pro-only::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%238b5cf6'%3E%3Cpath d='M18 8h-1V6c0-2.76-2.24-5-5-5S7 3.24 7 6v2H6c-1.1 0-2 .9-2 2v10c0 1.1.9 2 2 2h12c1.1 0 2-.9 2-2V10c0-1.1-.9-2-2-2zm-6 9c-1.1 0-2-.9-2-2s.9-2 2-2 2 .9 2 2-.9 2-2 2zM9 8V6c0-1.66 1.34-3 3-3s3 1.34 3 3v2H9z'/%3E%3C/svg%3E");
}

.feature-item strong {
    font-weight: 600;
}

.plan-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 1.1rem;
    border-radius: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-base);
    font-size: 1rem;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
    font-family: var(--font-secondary);
}

.plan-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    z-index: -1;
    transition: var(--transition-base);
}

.plan-button:hover::before {
    opacity: 0.9;
}

.plan-button.free {
    background: rgba(15, 23, 42, 0.5);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.plan-button.free:hover {
    background: rgba(96, 165, 250, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.2);
}

.plan-button.pro {
    background: linear-gradient(135deg, var(--secondary-color), var(--gradient-end));
    color: white;
    font-weight: 700;
    border: none;
    box-shadow: 0 5px 20px rgba(139, 92, 246, 0.4);
}

.plan-button.pro::before {
    background: linear-gradient(135deg, var(--secondary-color), var(--gradient-end));
}

.plan-button.pro:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(139, 92, 246, 0.6);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    border-radius: 4px;
}

.faq-section {
    margin-top: 6rem;
}

.faq-grid {
    display: grid;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(30, 41, 59, 0.7);
    border-radius: 1.5rem;
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: var(--transition-base);
    backdrop-filter: blur(5px);
}

.faq-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(59, 130, 246, 0.2);
}

.faq-question {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-size: 1.15rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.faq-question i {
    color: var(--accent-color);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.faq-answer {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    padding-left: 2rem;
}

.testimonials {
    margin-top: 6rem;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background: rgba(30, 41, 59, 0.7);
    border-radius: 1.5rem;
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: var(--transition-base);
    backdrop-filter: blur(5px);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(59, 130, 246, 0.2);
    border-color: var(--accent-color);
}

.testimonial-text {
    color: var(--text-color);
    font-style: italic;
    margin-bottom: 1.5rem;
    line-height: 1.7;
    position: relative;
    padding-left: 1.5rem;
}

.testimonial-text::before {
    content: '"';
    position: absolute;
    left: 0;
    top: 0;
    font-size: 3rem;
    line-height: 1;
    color: rgba(96, 165, 250, 0.3);
    font-family: Georgia, serif;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--text-color);
}

.author-title {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

.delay-3 {
    animation-delay: 0.3s;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: rgba(30, 41, 59, 0.9);
    border-radius: 1.5rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    animation: fadeInUp 0.3s ease-out;
    max-width: 500px;
    width: 90%;
    backdrop-filter: blur(10px);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    color: var(--text-color);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
    opacity: 0.8;
    transition: var(--transition-base);
    padding: 0.5rem;
    line-height: 1;
}

.close-modal:hover {
    opacity: 1;
    color: var(--accent-color);
}

.modal-body {
    padding: 1.5rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-base);
    font-family: var(--font-secondary);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    box-shadow: 0 5px 20px rgba(59, 130, 246, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary.loading {
    pointer-events: none;
    opacity: 0.9;
}

.btn-primary.loading .btn-text {
    visibility: hidden;
}

.btn-primary.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 1024px) {
    .pricing-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2.25rem;
    }
}

@media (max-width: 768px) {
    .pricing-content {
        padding: 3rem 1.5rem;
    }

    .pricing-title {
        font-size: 2.25rem;
    }

    .pricing-subtitle {
        font-size: 1.1rem;
    }
    
    .pricing-card {
        padding: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .faq-item {
        padding: 1.75rem;
    }
}

@media (max-width: 640px) {
    .pricing-title {
        font-size: 2rem;
    }
    
    .pricing-subtitle {
        font-size: 1rem;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .plan-price {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .pricing-title {
        font-size: 1.75rem;
    }
    
    .pricing-card {
        padding: 2rem 1.5rem;
    }
    
    .pricing-card.pro::after {
        top: 15px;
        right: -35px;
        font-size: 0.65rem;
        padding: 0.2rem 2.5rem;
    }
    
    .faq-question {
        font-size: 1.05rem;
    }
    
    .faq-answer {
        padding-left: 1.5rem;
    }
}