/* Header */
.site-header {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.site-header.sticky-header {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.site-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
}

.main-navigation .primary-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.main-navigation .primary-menu a {
    color: var(--text);
    font-weight: 500;
    padding: var(--spacing-xs) 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.main-navigation .primary-menu a:hover {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%);
    color: #ffffff;
    padding: var(--spacing-4xl) 0;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin: 0 0 var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    opacity: 0.9;
    margin: 0 auto var(--spacing-xl);
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    max-width: 600px;
    margin: 0 auto;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 800;
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* Features */
.feature-card {
    text-align: center;
    padding: var(--spacing-xl);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

/* Pricing */
.pricing-card {
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.popular {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: #ffffff;
    padding: 4px 16px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
}

.pricing-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0 0 var(--spacing-xs);
}

.pricing-header p {
    color: var(--text-light);
    margin: 0 0 var(--spacing-md);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.pricing-price .currency {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary);
}

.pricing-price .amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1;
}

.pricing-price .period {
    color: var(--text-light);
}

.pricing-features {
    list-style: none;
    margin: 0 0 var(--spacing-lg);
    padding: 0;
}

.pricing-features li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--border-light);
}

.pricing-features li:last-child {
    border-bottom: none;
}

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

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg);
    background: var(--bg);
    border: none;
    text-align: left;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-question[aria-expanded="true"] {
    background: var(--primary);
    color: #ffffff;
}

.faq-toggle {
    font-size: var(--font-size-2xl);
    font-weight: 300;
    transition: transform 0.3s ease;
}

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

.faq-answer {
    padding: var(--spacing-lg);
    background: var(--bg-light);
    line-height: 1.6;
    color: var(--text-light);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: #ffffff;
    text-align: center;
    padding: var(--spacing-4xl) 0;
}

.cta-section h2 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin: 0 0 var(--spacing-md);
}

.cta-section p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin: 0 auto var(--spacing-xl);
    max-width: 600px;
}

/* Footer */
.site-footer {
    background: var(--bg-dark);
    color: #ffffff;
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-widgets {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-cols-1 { grid-template-columns: 1fr; }
.footer-cols-2 { grid-template-columns: repeat(2, 1fr); }
.footer-cols-3 { grid-template-columns: repeat(3, 1fr); }
.footer-cols-4 { grid-template-columns: repeat(4, 1fr); }

.footer-widget h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin: 0 0 var(--spacing-md);
}

.footer-widget ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-widget ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-widget ul a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-widget ul a:hover {
    color: #ffffff;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.back-to-top {
    color: #ffffff;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.back-to-top:hover {
    opacity: 1;
    color: #ffffff;
}

/* Responsive */
@media (max-width: 768px) {
    .main-navigation .primary-menu { display: none; }
    .menu-toggle { display: block; }
    .hero-title { font-size: var(--font-size-3xl); }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .hero-buttons { flex-direction: column; }
    .footer-cols-4, .footer-cols-3, .footer-cols-2 { grid-template-columns: 1fr; }
}