:root {
    --color-primary: #6366F1;
    --color-primary-dark: #4F46E5;
    --color-secondary: #8B5CF6;
    --color-background: #FFFFFF;
    --color-surface: #F9FAFB;
    --color-text: #111827;
    --color-text-secondary: #6B7280;
    --color-border: #E5E7EB;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--color-text);
}

.nav-mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-hero {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    padding: 16px 32px;
    font-size: 16px;
}

.btn-hero:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

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

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

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 160px 0 120px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    z-index: -1;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin: 24px 0;
    letter-spacing: -0.02em;
}

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

.hero-description {
    font-size: 20px;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text);
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

.hero-image {
    position: relative;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-card {
    background: white;
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
}

.card-1 {
    animation: float 6s ease-in-out infinite;
}

.card-2 {
    position: absolute;
    top: 50%;
    right: -20px;
    animation: float 6s ease-in-out infinite 1s;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}

.card-title {
    font-weight: 600;
    font-size: 16px;
}

.card-subtitle {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.card-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--color-surface);
    border-radius: 12px;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
}

.card-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.card-amount {
    font-size: 36px;
    font-weight: 700;
    margin: 12px 0;
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Features Section */
.features {
    padding: 120px 0;
    background: var(--color-surface);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin: 24px 0;
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 20px;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--color-border);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.feature-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Social Proof */
.social-proof {
    padding: 120px 0;
}

.social-proof-text {
    text-align: center;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    margin-bottom: 60px;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.testimonial {
    background: white;
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--color-border);
}

.testimonial-stars {
    font-size: 20px;
    margin-bottom: 24px;
}

.testimonial-text {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 32px;
    color: var(--color-text);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}

.testimonial-name {
    font-weight: 600;
    font-size: 16px;
}

.testimonial-title {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* Pricing Section */
.pricing {
    padding: 120px 0;
    background: var(--color-surface);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.pricing-card {
    background: white;
    padding: 48px;
    border-radius: 24px;
    border: 2px solid var(--color-border);
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

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

.pricing-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
}

.pricing-header {
    margin-bottom: 32px;
}

.pricing-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.pricing-description {
    color: var(--color-text-secondary);
    font-size: 16px;
}

.pricing-price {
    margin-bottom: 32px;
}

.price-amount {
    font-size: 56px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.price-period {
    font-size: 18px;
    color: var(--color-text-secondary);
}

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

.pricing-features li {
    padding: 12px 0;
    color: var(--color-text-secondary);
    font-size: 16px;
}

.pricing-card .btn {
    width: 100%;
}

/* CTA Section */
.cta {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.cta-description {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

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

.cta .btn-hero:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.cta-note {
    margin-top: 24px;
    font-size: 14px;
    opacity: 0.8;
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    background: var(--color-surface);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-tagline {
    color: var(--color-text-secondary);
    margin-top: 16px;
}

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

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-title {
    font-weight: 600;
    margin-bottom: 8px;
}

.footer-column a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-column a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .hero-title {
        font-size: 48px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .testimonial-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .nav-mobile-toggle {
        display: block;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-description {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-stats {
        gap: 32px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 36px;
    }

    .cta-title {
        font-size: 36px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}