/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
}

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

/* Buttons */
.btn-primary {
    background: #2563eb;
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
}

.btn-secondary {
    background: white;
    color: #2563eb;
    padding: 12px 24px;
    border: 2px solid #2563eb;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: #eff6ff;
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-cta {
    background: white;
    color: #1e40af;
    padding: 16px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 18px;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-cta:hover {
    background: #f8fafc;
    transform: translateY(-2px);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 16px 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 24px;
    font-weight: 700;
    color: #2563eb;
    text-decoration: none;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    color: #4b5563;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav a:hover {
    color: #2563eb;
}

.nav-buttons {
    display: flex;
    gap: 16px;
    align-items: center;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: #4b5563;
    margin: 3px 0;
    transition: 0.3s;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 16px;
    padding: 20px 0;
    border-top: 1px solid #e5e7eb;
    margin-top: 16px;
}

.mobile-menu a {
    color: #4b5563;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 0;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #eff6ff 0%, #f3e8ff 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: #1f2937;
}

.highlight {
    color: #2563eb;
}

.hero-text p {
    font-size: 20px;
    color: #6b7280;
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.social-proof {
    display: flex;
    align-items: center;
    gap: 16px;
}

.avatars {
    display: flex;
    gap: -8px;
}

.avatar {
    width: 40px;
    height: 40px;
    background: #dbeafe;
    color: #2563eb;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    border: 2px solid white;
    margin-left: -8px;
}

.avatar:first-child {
    margin-left: 0;
}

.stars {
    color: #fbbf24;
    font-size: 18px;
    margin-bottom: 4px;
}

.rating p {
    color: #6b7280;
    font-size: 14px;
}

.dashboard-mockup {
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
}

.mockup-header {
    text-align: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid #e5e7eb;
}

.mockup-header h3 {
    color: #1f2937;
    font-size: 20px;
    font-weight: 600;
}

.mockup-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.mockup-card {
    background: #f9fafb;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.mockup-card h4 {
    color: #6b7280;
    font-size: 14px;
    margin-bottom: 8px;
    font-weight: 500;
}

.balance {
    font-size: 24px;
    font-weight: 700;
    color: #059669;
}

.status-good {
    font-size: 18px;
    font-weight: 600;
    color: #059669;
}

/* Section Headers */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #1f2937;
}

.section-header p {
    font-size: 18px;
    color: #6b7280;
    line-height: 1.6;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
}

.feature-icon.blue { background: #dbeafe; }
.feature-icon.purple { background: #ede9fe; }
.feature-icon.green { background: #dcfce7; }
.feature-icon.yellow { background: #fef3c7; }
.feature-icon.red { background: #fee2e2; }
.feature-icon.indigo { background: #e0e7ff; }

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1f2937;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background: #f9fafb;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.step-card {
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: #2563eb;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 24px;
}

.step-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1f2937;
}

.step-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Testimonials Section */
.testimonials {
    padding: 80px 0;
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.testimonial-card {
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.testimonial-info h4 {
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 4px;
}

.testimonial-info p {
    color: #6b7280;
    font-size: 14px;
}

.testimonial-card .stars {
    margin-bottom: 16px;
}

.testimonial-card p:last-child {
    color: #4b5563;
    font-style: italic;
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background: linear-gradient(135deg, #eff6ff 0%, #f3e8ff 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 2px solid #e5e7eb;
    position: relative;
    text-align: center;
}

.pricing-card.featured {
    border-color: #2563eb;
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #2563eb;
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #1f2937;
}

.price {
    font-size: 36px;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 8px;
}

.price span {
    font-size: 16px;
    color: #6b7280;
    font-weight: 400;
}

.pricing-card > p {
    color: #6b7280;
    margin-bottom: 32px;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 32px;
    text-align: left;
}

.pricing-card li {
    padding: 8px 0;
    color: #4b5563;
}

.subscribe-btn {
    width: 100%;
    text-align: center;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.subscribe-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: #1e40af;
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 32px;
    opacity: 0.9;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: #f9fafb;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
    color: #1f2937;
}

.contact-item {
    margin-bottom: 16px;
    color: #4b5563;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-brand p {
    color: #9ca3af;
    line-height: 1.6;
}

.footer-column h4 {
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-column a {
    display: block;
    color: #9ca3af;
    text-decoration: none;
    margin-bottom: 8px;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #9ca3af;
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav, .nav-buttons {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu.active {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 36px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid,
    .steps-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .cta-content h2 {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-text h1 {
        font-size: 28px;
    }
    
    .hero-text p {
        font-size: 18px;
    }
    
    .features,
    .how-it-works,
    .testimonials,
    .pricing,
    .cta,
    .contact {
        padding: 60px 0;
    }
}