:root {
    --bg-primary: #0a0a0b;
    --bg-secondary: #111113;
    --bg-card: #18181b;
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --border-color: #27272a;
    --accent-green: #10b981;
    --accent-purple: #6366f1;
    --radius: 16px;
    --radius-sm: 8px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Vazirmatn', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero */
.hero {
    padding: 80px 0 60px;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 100px;
    font-size: 14px;
    margin-bottom: 24px;
    color: var(--accent-purple);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* Pricing */
.pricing {
    padding: 60px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.plan-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 32px;
    position: relative;
    transition: all 0.3s ease;
}

.plan-card:hover {
    border-color: var(--accent-purple);
    transform: translateY(-4px);
}

.plan-card.popular {
    border-color: var(--accent-purple);
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.15);
}

.popular-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: var(--accent-purple);
    color: white;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
}

.plan-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.plan-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.plan-price {
    margin-bottom: 24px;
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.price-period {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-right: 4px;
}

.plan-features {
    list-style: none;
    margin-bottom: 32px;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.check-icon {
    width: 18px;
    height: 18px;
    color: var(--accent-green);
    flex-shrink: 0;
}

.btn-subscribe {
    width: 100%;
    padding: 14px 24px;
    background: var(--btn-color, var(--accent-purple));
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-subscribe:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

/* Features */
.features {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.section-title {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 40px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.feature-item {
    text-align: center;
    padding: 24px;
}

.feature-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.feature-item h4 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.feature-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 32px;
    width: 100%;
    max-width: 400px;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 16px;
    left: 16px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
}

.modal-content h3 {
    margin-bottom: 24px;
    font-size: 1.25rem;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-purple);
}

.form-group input::placeholder {
    color: var(--text-secondary);
    opacity: 0.5;
}

.order-summary {
    display: flex;
    justify-content: space-between;
    padding: 16px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.order-summary .amount {
    font-weight: 700;
    color: var(--accent-green);
}

.btn-pay {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--accent-purple), #8b5cf6);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-pay:hover {
    transform: scale(1.02);
}

/* Footer */
.footer {
    padding: 40px 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 640px) {
    .hero {
        padding: 60px 0 40px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .plan-card {
        padding: 24px;
    }
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-desc {
    color: var(--text-secondary);
    margin-top: 8px;
}

.section-desc strong {
    color: var(--accent-green);
}

/* Plan Subtitle */
.plan-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: -8px;
    margin-bottom: 20px;
}

/* Price Meta */
.price-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-right: 8px;
}

.price-currency {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.price-period {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.plan-price {
    display: flex;
    align-items: center;
    margin-bottom: 24px;
}

/* Pricing Note */
.pricing-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 32px;
}

/* About Section */
.about {
    padding: 60px 0;
}

.about-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.about-content h2 {
    margin-bottom: 24px;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.9;
}

/* FAQ Section */
.faq {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.faq-list {
    max-width: 600px;
    margin: 0 auto;
}

.faq-item {
    padding: 24px 0;
    border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
    border: none;
}

.faq-item h4 {
    margin-bottom: 8px;
    font-weight: 600;
}

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

/* Modal Updates */
.modal-desc {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.order-summary {
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 20px;
}

.order-plan,
.order-total {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
}

.order-total {
    margin-top: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    font-weight: 600;
}

.order-total .amount {
    color: var(--accent-green);
}

.payment-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 12px;
}

/* Footer Updates */
.footer-links {
    margin-top: 8px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
}

.footer-links a:hover {
    color: var(--accent-purple);
}